1 files changed, 1392 insertions, 0 deletions
diff --git a/contrib/books/attack.pgn b/contrib/books/attack.pgn
new file mode 100644
index 0000000..f2c158a
--- /dev/null
+++ b/contrib/books/attack.pgn
@@ -0,0 +1,1392 @@
+[Event "Fig 1"]
+[White "?"]
+[Black "?"]
+[Result "*"]
+[FEN "r1bq1rk1/p2n1ppp/4p3/2pp4/8/PPB1PN2/3P1PPP/R2Q1RK1 w - - 0 1"]
+[SetUp "1"]
+
+1. d4 Bb7 2. dxc5 Nxc5 3. Qd4 *
+
+[Event "Fig 2"]
+[White "?"]
+[Black "?"]
+[Result "*"]
+[FEN "r2qr1k1/1b1n1ppp/p1p1p3/1p6/3P4/2P2N2/PPQB1PPP/R3R1K1 w - - 0 1"]
+[SetUp "1"]
+
+1. Ng5 g6 2. Ne4 *
+
+[Event "Fig 3"]
+[White "?"]
+[Black "?"]
+[Result "*"]
+[FEN "8/1K1Q4/6pB/4kB2/3b1n1P/5p2/8/8 b - - 0 1"]
+[SetUp "1"]
+
+{ Threat 2.Bg7 mate } 1... Kf6 2. Bg7# *
+
+[Event "Fig 4"]
+[White "?"]
+[Black "?"]
+[Result "*"]
+[FEN "8/p5K1/1p2p3/4kp2/1Q6/2PpbP2/1R2n1B1/q7 w - - 0 1"]
+[SetUp "1"]
+
+1. Rxe2 dxe2 2. f4+ Bxf4 3. Qd4# *
+
+[Event "Fig 5"]
+[Date "1928.??.??"]
+[White "Meesen"]
+[Black "Muller"]
+[Result "0-1"]
+[ECO "A28"]
+
+1. c4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. d4 exd4 5. Nxd4 Bb4 6. Nxc6 bxc6 7. g3 Qe7 8.
+Bg2 Ba6 9. Qd3 d5 10. b3 d4 11. Qxd4 Rd8 12. Bxc6+ Kf8 13. Bd5 Rxd5 14. cxd5
+Qxe2# 0-1
+
+[Event "Fig 6"]
+[Date "1906.??.??"]
+[White "Tchigorin"]
+[Black "Burn, Amos"]
+[Result "0-1"]
+[FEN "r1bqr1k1/ppp2ppp/2n2n2/2bppP2/4P3/2PP1N2/PP2Q1PP/RNB1KB1R b KQ - 0 1"]
+[SetUp "1"]
+
+1... Bxf5 2. exf5 e4 3. Kd1 exf3 4. Qxf3 Ne5 0-1
+
+[Event "Fig 7"]
+[Date "1928.??.??"]
+[White "Hansen, Torbjorn R"]
+[Black "Lundin, Erik R"]
+[Result "0-1"]
+[FEN "2kr1b1r/ppp2ppp/2n5/8/3PqBb1/2P2N2/PP1QB1PP/R3K2R b KQ - 0 1"]
+[SetUp "1"]
+
+1... Rxd4 2. Nxd4 Nxd4 3. cxd4 Bb4 4. Kf2 Bxd2 5. Bxg4+ f5 6. Bxd2 fxg4 7. Rhe1
+Qxd4+ 8. Be3 Qxb2+ 9. Kf1 Re8 0-1
+
+[Event "Fig 8"]
+[White "?"]
+[Black "?"]
+[Result "1-0"]
+[FEN "r1nqk2r/ppp1bp2/3p2p1/6Bp/3P4/5N2/PPP3PP/R2QR1K1 w kq - 0 1"]
+[SetUp "1"]
+
+1. Bf6 Rf8 2. Rxe7+ Nxe7 3. Qe2 Qd7 4. Re1 Qe6 5. Qb5+ c6 6. Qxb7 1-0
+
+[Event "Fig 9"]
+[Date "1943.??.??"]
+[White "Ravinsky"]
+[Black "Panov, Vasily N"]
+[Result "1-0"]
+[FEN "2r1kb1r/q2n1ppp/p3p3/1p2n3/5N2/6P1/1PP1QPBP/2BR1RK1 w k - 0 1"]
+[SetUp "1"]
+
+1. Rxd7 Nxd7 2. Nxe6 fxe6 3. Qxe6+ Be7 4. Re1 Qc5 5. b4 Nf8 6. Qg4 Qc3 7. Rxe7+
+Kxe7 8. Bg5+ Kd6 9. Qd1+ Kc7 10. Bf4+ Kb6 11. Qd6+ Ka7 12. Qe7+ Rc7 13. Bxc7
+Qa1+ 14. Bf1 Ng6 15. Qc5+ Kb7 16. Ba5 Rf8 17. Qb6+ Ka8 18. Qc6+ Kb8 19. Bc7+
+1-0
+
+[Event "Fig 10"]
+[Date "1895.??.??"]
+[White "Steinitz, Wilhelm"]
+[Black "Von Bardeleben, Kurt"]
+[Result "1-0"]
+[ECO "C54"]
+
+1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. cxd4 Bb4+ 7. Nc3 d5 8.
+exd5 Nxd5 9. O-O Be6 10. Bg5 Be7 11. Bxd5 Bxd5 12. Nxd5 Qxd5 13. Bxe7 Nxe7 14.
+Re1 f6 15. Qe2 Qd7 16. Rac1 c6 17. d5 cxd5 18. Nd4 Kf7 19. Ne6 Rhc8 20. Qg4 g6
+21. Ng5+ Ke8 22. Rxe7+ Kf8 23. Rf7+ Kg8 24. Rg7+ Kh8 25. Rxh7+ 1-0
+
+[Event "Fig 11"]
+[Date "1950.??.??"]
+[Round "18.4"]
+[White "Keres, Paul"]
+[Black "Kotov, Vladimir"]
+[Result "1-0"]
+[ECO "B94/02"]
+
+1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 Qc7 7. Bg5 Nbd7 8.
+O-O e6 9. Bh5 Qc4 10. Nxe6 Qxe6 11. Nd5 Kd8 12. Bg4 Qe5 13. f4 Qxe4 14. Bxd7
+Bxd7 15. Nxf6 gxf6 16. Bxf6+ Kc7 17. Bxh8 Bc6 18. Qd2 Bh6 19. Rae1 Qg6 20. Re7+
+Kd8 21. Rfe1 a5 22. Bd4 Ra6 23. Qf2 Bf8 24. Bb6+ Kc8 25. Re8+ Bxe8 26. Rxe8+
+Kd7 27. Rxf8 1-0
+
+[Event "Fig 12"]
+[Date "1935.??.??"]
+[White "Keres, Paul"]
+[Black "Winter, William"]
+[Result "1-0"]
+[ECO "B29/18"]
+
+1. e4 c5 2. Nf3 Nf6 3. e5 Nd5 4. Nc3 e6 5. Nxd5 exd5 6. d4 d6 7. Bg5 Qa5+ 8. c3
+cxd4 9. Bd3 dxc3 10. O-O cxb2 11. Rb1 dxe5 12. Nxe5 Bd6 13. Nxf7 Kxf7 14. Qh5+
+g6 15. Bxg6+ hxg6 16. Qxh8 Bf5 17. Rbe1 Be4 18. Rxe4 dxe4 19. Qf6+ 1-0
+
+[Event "Fig 13"]
+[White "Variein"]
+[Black "unknown"]
+[Result "1-0"]
+[FEN "rnb1k2r/pppp1ppp/8/8/1bBPPp2/2N5/PPP1Q1Pq/R1B2KN1 w kq - 0 1"]
+[SetUp "1"]
+
+1. Bxf7+ Kxf7 2. Nd5 Be7 3. Bxf4 Qh4 4. Nf3 Qh1+ 5. Kf2 Qxa1 6. Ne5+ Ke8 7.
+Qh5+ g6 8. Nxc7+ Kf8 9. Qh6+ Kg8 10. Ne8 Bf8 11. Nf6# 1-0
+
+[Event "Fig 14"]
+[Date "1936.??.??"]
+[White "Asgeirsson, Heimir"]
+[Black "Raud, Rainer"]
+[Result "*"]
+[FEN "r1b1r1k1/1p2qpp1/p1p4p/2Ppn3/1P4n1/P1N1PN2/2Q1BPPP/R3K2R b KQ - 0 1"]
+[SetUp "1"]
+
+1... Nxf2 2. Kxf2 Ng4+ 3. Ke1 Nxe3 4. Qd2 d4 5. Nd1 Nxg2+ 6. Kf2 Nh4 7. Rf1 Bh3
+8. Rg1 Rad8 9. Rg3 d3 10. Bxd3 Nxf3 11. Rxf3 Qh4+ 12. Rg3 Rxd3 13. Qxd3 Qf4+
+14. Qf3 Qd2+ 15. Kg1 Re1+ *
+
+[Event "Fig 15"]
+[Date "1922.??.??"]
+[White "Reti, Richard"]
+[Black "Wolf"]
+[Result "*"]
+[ECO "D64"]
+
+1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 O-O 6. Nf3 Nbd7 7. Rc1 c6 8. Qc2
+a6 9. c5 e5 10. dxe5 Ng4 11. Bxe7 Qxe7 12. Na4 Re8 13. Bd3 h6 14. Nd4 Ndxe5 15.
+Nb6 Nxf2 16. Bh7+ Kh8 17. O-O Nfg4 18. Nxa8 Nxe3 19. Qe2 Nxf1 20. Bb1 Nxh2 21.
+Nb6 Nef3+ 22. gxf3 Qg5+ 23. Kxh2 Rxe2+ 24. Nxe2 Qe5+ 25. Ng3 Qxb2+ 26. Rc2 Qxb1
+27. Re2 Be6 28. f4 g6 29. Na8 h5 30. Nc7 h4 31. Nh1 Qd3 32. Rf2 Bf5 *
+
+[Event "Fig 16"]
+[Date "1921.??.??"]
+[White "Euwe, Max"]
+[Black "Rubinstein, Akiba K"]
+[Result "*"]
+[ECO "B29"]
+
+1. e4 c5 2. Nf3 Nf6 3. e5 Nd5 4. d4 cxd4 5. Qxd4 e6 6. c4 Nc6 7. Qd1 Nde7 8.
+Bd2 Ng6 9. Qe2 Qc7 10. Bc3 b6 11. h4 d6 12. exd6 Bxd6 13. Nbd2 Nf4 14. Qe3 Bc5
+15. Qe4 f5 16. Qc2 O-O 17. g3 Ng6 18. h5 Nge5 19. Nxe5 Nxe5 20. b4 Bxf2+ 21.
+Kxf2 Ng4+ 22. Ke2 Qxg3 23. Bd4 Bb7 24. Rh3 Qd6 25. Qc3 e5 26. Bg1 f4 27. c5 Qh6
+28. Ke1 e4 29. Rh4 Qg5 30. Qh3 Ne3 31. Bxe3 fxe3 32. Bc4+ Kh8 33. Nf1 Qf6 *
+
+[Site "St. Petersburg"]
+[Date "1912.??.??"]
+[White "Potemkin"]
+[Black "Alekhine, Alexander A"]
+[Result "0-1"]
+[ECO "B20"]
+
+1. e4 c5 2. g3 g6 3. Bg2 Bg7 4. Ne2 Nc6 5. c3 Nf6 6. Na3 d5 7. exd5 Nxd5 8. Nc2
+O-O 9. d4 cxd4 10. cxd4 Bg4 11. f3 Bf5 12. Ne3 Qa5+ 13. Kf2 Ndb4 14. Nxf5 Qxf5
+15. g4 Nd3+ 16. Kg3 Nxd4 17. gxf5 Nxf5+ 18. Kg4 h5+ 19. Kh3 Nf2# 0-1
+
+[Site "St. Petersburg"]
+[Date "1890.??.??"]
+[White "Clemens, Christian"]
+[Black "Eisenschmidt"]
+[Result "1-0"]
+[ECO "C51"]
+
+1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4 5. c3 Bc5 6. d4 exd4 7. cxd4 Bb6 8.
+O-O d6 9. Nc3 Bd7 10. e5 dxe5 11. Re1 Nge7 12. Ng5 Be6 13. Bxe6 fxe6 14. Nxe6
+Qd6 15. Nxg7+ Kf8 16. Qg4 Bxd4 17. Ne4 Qb4 18. Ne6+ Ke8 19. Nf6+ Kf7 20. Ng5+
+Kf8 21. Ba3 Qxa3 22. Qe6 Nd8 23. Qf7+ Nxf7 24. Ne6# 1-0
+
+[Event "fig 17"]
+[Date "1936.??.??"]
+[White "Kotov, Vladimir"]
+[Black "Bondarevsky, Igor Z"]
+[Result "0-1"]
+[ECO "A40"]
+
+1. d4 e6 2. Nf3 f5 3. g3 Nf6 4. Bg2 d5 5. O-O Bd6 6. c4 c6 7. Nbd2 O-O 8. b3
+Qe8 9. Ne1 Nbd7 10. Nd3 Ne4 11. Nf3 Qh5 12. Nf4 Qf7 13. Qc2 g5 14. Nd3 Qh5 15.
+Nfe5 Rf6 16. f3 Rh6 17. h4 Nxg3 18. hxg5 Qh2+ 19. Kf2 Rh4 20. Rg1 Rxd4 21. Bb2
+Qh4 22. Bxd4 Ne4+ 23. Ke3 f4+ 24. Nxf4 Qf2+ 25. Kd3 Qxd4+ 26. Kxd4 Bc5+ 0-1
+
+[Event "Fig 18"]
+[Date "1916.??.??"]
+[White "Alekhine, Alexander A"]
+[Black "Feldt"]
+[Result "1-0"]
+[ECO "C11"]
+
+1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. exd5 Nxd5 5. Ne4 f5 6. Ng5 Be7 7. N5f3 c6 8.
+Ne5 O-O 9. Ngf3 b6 10. Bd3 Bb7 11. O-O Re8 12. c4 Nf6 13. Bf4 Nbd7 14. Qe2 c5
+15. Nf7 Kxf7 16. Qxe6+ Kg6 17. g4 Be4 18. Nh4# 1-0
+
+[Event "Fig 19"]
+[Date "1953.??.??"]
+[White "Averbakh, Yuri L"]
+[Black "Kotov, Vladimir"]
+[Result "0-1"]
+[ECO "A55"]
+
+1. d4 Nf6 2. c4 d6 3. Nf3 Nbd7 4. Nc3 e5 5. e4 Be7 6. Be2 O-O 7. O-O c6 8. Qc2
+Re8 9. Rd1 Bf8 10. Rb1 a5 11. d5 Nc5 12. Be3 Qc7 13. h3 Bd7 14. Rbc1 g6 15. Nd2
+Rab8 16. Nb3 Nxb3 17. Qxb3 c5 18. Kh2 Kh8 19. Qc2 Ng8 20. Bg4 Nh6 21. Bxd7 Qxd7
+22. Qd2 Ng8 23. g4 f5 24. f3 Be7 25. Rg1 Rf8 26. Rcf1 Rf7 27. gxf5 gxf5 28. Rg2
+f4 29. Bf2 Rf6 30. Ne2 Qxh3+ 31. Kxh3 Rh6+ 32. Kg4 Nf6+ 33. Kf5 Nd7 34. Rg5
+Rf8+ 35. Kg4 Nf6+ 36. Kf5 Ng8+ 37. Kg4 Nf6+ 38. Kf5 Nxd5+ 39. Kg4 Nf6+ 40. Kf5
+Ng8+ 41. Kg4 Bxg5 42. Kxg5 Rf7 43. Bh4 Rg6+ 44. Kh5 Rfg7 45. Bg5 Rxg5+ 46. Kh4
+Nf6 47. Ng3 Rxg3 48. Qxd6 R3g6 49. Qb8+ Rg8 0-1
+
+[Event "Fig 19"]
+[Date "1954.??.??"]
+[Round "19"]
+[White "Gligoric, Svetozar"]
+[Black "Petrosian"]
+[Result "1-0"]
+[ECO "A56"]
+
+1. d4 Nf6 2. c4 c5 3. d5 e5 4. Nc3 d6 5. e4 Nbd7 6. Nf3 a6 7. Be2 Be7 8. O-O
+O-O 9. Ne1 Ne8 10. Nd3 Nc7 11. a4 Rb8 12. Be3 Bg5 13. Qd2 Bxe3 14. Qxe3 h6 15.
+a5 b5 16. axb6 Nxb6 17. b3 Ra8 18. f4 exf4 19. Qxf4 f6 20. Nd1 Qe7 21. Ne3 g5
+22. Nf5 Bxf5 23. Qxf5 Qh7 24. Qg4 Rae8 25. Rf5 Nd7 26. Raf1 Re7 27. b4 cxb4 28.
+c5 h5 29. Qg3 Rxe4 30. c6 Rxe2 31. Qxd6 Nb5 32. Qxb4 Nb8 33. Rxg5+ Kf7 34.
+Rxf6+ Kxf6 35. Qxf8+ Kxg5 36. h4+ 1-0
+
+[Event "Fig 21"]
+[Site "USA-ch"]
+[Date "1956.??.??"]
+[White "Byrne, Stewart"]
+[Black "Fischer, Robert USA"]
+[Result "0-1"]
+[ECO "D97"]
+
+1. Nf3 Nf6 2. c4 g6 3. Nc3 Bg7 4. d4 O-O 5. Bf4 d5 6. Qb3 dxc4 7. Qxc4 c6 8. e4
+Nbd7 9. Rd1 Nb6 10. Qc5 Bg4 11. Bg5 Na4 12. Qa3 Nxc3 13. bxc3 Nxe4 14. Bxe7 Qb6
+15. Bc4 Nxc3 16. Bc5 Rfe8+ 17. Kf1 Be6 18. Bxb6 Bxc4+ 19. Kg1 Ne2+ 20. Kf1
+Nxd4+ 21. Kg1 Ne2+ 22. Kf1 Nc3+ 23. Kg1 axb6 24. Qb4 Ra4 25. Qxb6 Nxd1 26. h3
+Rxa2 27. Kh2 Nxf2 28. Re1 Rxe1 29. Qd8+ Bf8 30. Nxe1 Bd5 31. Nf3 Ne4 32. Qb8 b5
+33. h4 h5 34. Ne5 Kg7 35. Kg1 Bc5+ 36. Kf1 Ng3+ 37. Ke1 Bb4+ 38. Kd1 Bb3+ 39.
+Kc1 Ne2+ 40. Kb1 Nc3+ 41. Kc1 Rc2# 0-1
+
+[Event "Fig 22"]
+[Date "1949.??.??"]
+[White "Smyslov, Vassily V"]
+[Black "Florian, Tibor"]
+[Result "1-0"]
+[ECO "D97"]
+
+1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qb3 dxc4 6. Qxc4 O-O 7. e4 Na6 8.
+Be2 c5 9. d5 e6 10. O-O exd5 11. exd5 Qa5 12. a3 Bf5 13. Qh4 Rfe8 14. Bh6 Ne4
+15. Bxg7 Kxg7 16. Ng5 Nxc3 17. Qxh7+ Kf6 18. bxc3 Kxg5 19. Qg7 Re4 20. f4+ Rxf4
+21. Rxf4 Kxf4 22. Rf1+ Ke3 23. Qe5+ Kd2 24. Bc4 Qxa3 25. Rf2+ 1-0
+
+[Event "Ch URS"]
+[Date "1938.??.??"]
+[White "Belavenets, Sergey V"]
+[Black "Chistiakov"]
+[Result "0-1"]
+[ECO "C12"]
+
+{ 1/2 } 1. d4 e6 2. e4 d5 3. Nc3 Nf6 4. Bg5 Bb4 5. e5 h6 6. Bd2 Bxc3 7. bxc3
+Ne4 8. Qg4 g6 9. Bd3 Nxd2 10. Kxd2 c5 11. Nf3 Nc6 12. Rhb1 Qc7 13. Qh4 Bd7 14.
+Qf6 Rg8 15. h4 Rc8 16. h5 gxh5 17. Qxh6 cxd4 18. cxd4 Nxd4 19. Nxd4 Qc3+ 20.
+Ke3 Rc4 21. Qf4 Rg4 22. Ne2 Re4+ 0-1
+
+[Event "Fig 23"]
+[Date "1948.??.??"]
+[White "Tartakower, Saviely G"]
+[Black "Euw"]
+[Result "0-1"]
+[ECO "C53/06"]
+
+1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Bb6 5. d4 Qe7 6. O-O d6 7. h3 Nf6 8. Re1
+O-O 9. Na3 Nd8 10. Bf1 Ne8 11. Nc4 f6 12. a4 c6 13. Nxb6 axb6 14. Qb3+ Ne6 15.
+Qxb6 g5 16. Bc4 h6 17. h4 Kh7 18. hxg5 hxg5 19. dxe5 dxe5 20. Be3 Rh8 21. g3
+Kg6 22. Kg2 Nf4+ 23. gxf4 Bh3+ 24. Kg3 exf4+ 25. Bxf4 Qd7 26. Nh2 gxf4+ 27.
+Kxf4 Rh4+ 28. Ke3 Bg2 29. Nf3 Rxe4+ 30. Kxe4 Nd6+ 31. Kd3 Qf5+ 32. Kd4 Qf4+ 33.
+Kd3 Qxc4+ 34. Kc2 Bxf3 35. b3 Be4+ 36. Kb2 Qd3 37. Rg1+ Kf7 38. Rac1 Qd2+ 39.
+Ka3 Nc4+ 40. bxc4 Rxa4+ 41. Kxa4 Qa2+ 42. Kb4 Qb2+ 0-1
+
+[Event "Fig 24"]
+[Date "1898.??.??"]
+[White "Chigorin, Mikhail I"]
+[Black "Caro, Horatio"]
+[Result "1-0"]
+[ECO "C29"]
+
+1. e4 e5 2. Nc3 Nf6 3. f4 d5 4. d3 Bb4 5. fxe5 Nxe4 6. dxe4 Qh4+ 7. Ke2 Bxc3 8.
+bxc3 Bg4+ 9. Nf3 dxe4 10. Qd4 Bh5 11. Ke3 Bxf3 12. Bb5+ c6 13. gxf3 Qh6+ 14.
+Kxe4 Qg6+ 15. Ke3 cxb5 16. Ba3 Nc6 17. Qd5 Qxc2 18. Rac1 Qf5 19. Rhe1 Rd8 20.
+Qxb5 a6 21. Qb1 Qg5+ 22. f4 Qg2 23. Bd6 Qh3+ 24. Ke4 f5+ 25. Kd5 Qg2+ 26. Kc4
+b5+ 27. Kd3 Qf3+ 28. Kc2 Qf2+ 29. Kb3 Rc8 30. Rc2 Qxf4 31. Kb2 Na5 32. Ka1 Qc4
+33. e6 Nc6 34. Qd1 h5 35. Rg1 Rh7 36. Rxg7 1-0
+
+[Event "Vienna"]
+[Date "1872.??.??"]
+[White "Hamppe, Carl"]
+[Black "Meitner"]
+[Result "1/2-1/2"]
+[ECO "C25"]
+
+1. e4 e5 2. Nc3 Bc5 3. Na4 Bxf2+ 4. Kxf2 Qh4+ 5. Ke3 Qf4+ 6. Kd3 d5 7. Kc3 Qxe4
+8. Kb3 Na6 9. a3 Qxa4+ 10. Kxa4 Nc5+ 11. Kb4 a5+ 12. Kxc5 Ne7 13. Bb5+ Kd8 14.
+Bc6 b6+ 15. Kb5 Nxc6 16. Kxc6 Bb7+ 17. Kb5 Ba6+ 18. Kc6 Bb7+ 1/2-1/2
+
+[Event "Fig 25"]
+[Date "1859.??.??"]
+[White "Morphy, Paul C"]
+[Black "Barnes"]
+[Result "0-1"]
+[ECO "C42"]
+
+1. e4 e5 2. Nf3 Nf6 3. Bc4 Nxe4 4. Nc3 Nxc3 5. dxc3 f6 6. O-O Qe7 7. Nh4 d6 8.
+Qh5+ Kd8 9. f4 Be6 10. Bxe6 Qxe6 11. fxe5 dxe5 12. Ng6 Bc5+ 13. Kh1 Re8 14.
+Qxh7 Qg8 15. Qh5 Nd7 16. b4 Bd6 17. Bd2 Qf7 18. Qg4 Qe6 19. Qe4 Nb6 20. Qxb7
+Qg4 21. a4 Rc8 22. Rad1 Qxg6 23. Be3 Nc4 24. Qc6 Qf7 25. Bxa7 e4 26. Rd4 Qh5
+27. Rf4 e3 28. g4 e2 29. gxh5 e1=Q+ 30. Kg2 Re2+ 31. Kh3 f5 32. Qxc4 Qf1+ 33.
+Kh4 Rxh2+ 34. Kg5 Qg2+ 35. Rg4 fxg4 36. Qf7 Qc6 37. b5 Qd7 38. Rxd6 Qxd6 0-1
+
+[Event "Fig 26"]
+[Date "1845.??.??"]
+[White "Michelet"]
+[Black "Kieseritsky"]
+[Result "1-0"]
+[ECO "C37"]
+
+1. e4 e5 2. f4 exf4 3. Nf3 g5 4. Bc4 g4 5. Ne5 Qh4+ 6. Kf1 f3 7. d4 Nf6 8. Nc3
+Bg7 9. g3 Qh3+ 10. Kf2 d6 11. Nxf7 Rf8 12. Ng5 Qg2+ 13. Ke3 Bh6 14. Kd3 Nc6 15.
+a3 Bxg5 16. Bxg5 Nxe4 17. Qe1 Bf5 18. Nxe4 f2 19. Qe3 Kd7 20. Bd5 Rae8 21. Raf1
+Bxe4+ 22. Bxe4 Rf3 23. Qxf3 gxf3 24. Bf5+ Re6 25. d5 Ne5+ 26. Kd4 h5 27. dxe6+
+Ke8 28. Bf6 h4 29. Bxe5 dxe5+ 30. Kxe5 hxg3 31. Kf6 1-0
+
+[Event "Fig 27"]
+[White "?"]
+[Black "?"]
+[Result "*"]
+[FEN "r1bqk2r/ppppbppp/2n2n2/4p3/2B1P3/2N2N2/PPPP1PPP/R1BQ1RK1 b kq - 0 1"]
+[SetUp "1"]
+
+1... Nxe4 2. Bxf7+ Kxf7 3. Nxe4 d5 4. Ng3 Rf8 5. d3 Kg8 *
+
+[Event "Giuoco Piano"]
+[White "?"]
+[Black "?"]
+[Result "*"]
+[ECO "C50"]
+
+1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. d3 Nf6 5. Bg5 h6 6. Bh4 d6 7. O-O g5 8. Bg3
+h5 9. Nxg5 h4 10. Nxf7 hxg3 11. Nxd8 Bg4 12. Nf7 Rxh2 13. Qd2 Nd4 14. Nc3 Nf3+
+15. gxf3 Bxf3 16. Qh6 Rg2+ 17. Kh1 Rxf2+ 18. Kg1 Rg2+ 19. Kh1 Rg1# *
+
+[Event "Fig 28"]
+[White "?"]
+[Black "?"]
+[Result "*"]
+[FEN "r3k2r/pppbq1pp/2n1p3/3pPp2/3P1P2/2PB1NP1/PP5P/R2QK2R w KQkq - 0 1"]
+[SetUp "1"]
+
+1. Qe2 Nd8 2. h3 Nf7 3. Qd2 O-O-O 4. O-O Rdg8 { Black attacks first } *
+
+[White "?"]
+[Black "?"]
+[Result "*"]
+[ECO "D67"]
+
+1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Nbd7 5. e3 Be7 6. Nf3 O-O 7. Rc1 c6 8. Bd3
+dxc4 9. Bxc4 Nd5 10. Bxe7 Qxe7 11. Ne4 Qb4+ 12. Qd2 Qxd2+ 13. Kxd2 *
+
+[White "?"]
+[Black "?"]
+[Result "*"]
+[ECO "D10"]
+
+1. d4 d5 2. c4 c6 3. Nc3 dxc4 4. e4 e5 5. dxe5 Qxd1+ 6. Kxd1 b5 7. a4 b4 8. Nb1
+Ba6 9. Nd2 *
+
+[White "?"]
+[Black "?"]
+[Result "*"]
+[FEN "rn2k2r/4bnpp/p1ppq3/4p3/PP2Pp2/2N2N1P/1BP2PP1/R2Q1RK1 b kq - 0 1"]
+[SetUp "1"]
+
+1... g5 2. Nh2 h5 3. f3 Nh6 4. b5 Rg8 5. Qe2 g4 6. fxg4 hxg4 7. Nxg4 Nxg4 8.
+hxg4 Rxg4 9. bxc6 Nxc6 10. Nd5 Bd8 11. c4 Ra7 12. Rf2 Rh7 13. Qd1 Qh6 14. Kf1
+Qh5 15. Qf3 Qg6 16. Qd3 Rh1+ 17. Ke2 Rxa1 18. Bxa1 Rxg2 *
+
+[White "Greco's analysis"]
+[Black "?"]
+[Result "*"]
+[ECO "C50"]
+
+1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. O-O Nf6 5. Re1 O-O 6. c3 Qe7 7. d4 exd4 8. e5
+Ng4 9. cxd4 Nxd4 10. Nxd4 Qh4 11. Be3 Qxh2+ 12. Kf1 Qh1+ 13. Ke2 Qxg2 14. Rg1
+Nxe3 15. Kxe3 Bxd4+ 16. Kxd4 Qxf2+ 17. Kc3 Qe3+ 18. Bd3 Qxe5+ *
+
+[Event "Fig 30"]
+[White "?"]
+[Black "?"]
+[Result "*"]
+[FEN "7k/7B/7Q/8/8/8/8/K7 w - - 0 1"]
+[SetUp "1"]
+
+1. Bg6+ Kg8 2. Qh7+ Kf8 3. Qf7# *
+
+[Event "Fig 31"]
+[White "?"]
+[Black "?"]
+[Result "*"]
+[FEN "6k1/4R3/4P3/7N/8/8/8/K7 w - - 0 1"]
+[SetUp "1"]
+
+1. Nf6+ Kh8 2. Rh7# *
+
+[Event "Fig 32"]
+[White "?"]
+[Black "?"]
+[Result "*"]
+[FEN "5k2/3K4/7N/6N1/8/8/8/8 w - - 0 1"]
+[SetUp "1"]
+
+1. Ne6# *
+
+[Event "Fig 33"]
+[White "?"]
+[Black "?"]
+[Result "*"]
+[FEN "6k1/5ppp/8/8/8/8/8/K2R4 w - - 0 1"]
+[SetUp "1"]
+
+1. Rd8# *
+
+[Event "Fig 34"]
+[White "?"]
+[Black "?"]
+[Result "*"]
+[FEN "4r1k1/5p2/4pPp1/6Q1/8/8/8/K7 b - - 0 1"]
+[SetUp "1"]
+
+1... Kh7 2. Qh4+ Kg8 3. Qh6 *
+
+[Event "Fig 34a"]
+[White "?"]
+[Black "?"]
+[Result "*"]
+[FEN "4r1k1/5p1p/4pPp1/6Q1/8/8/8/K7 b - - 0 1"]
+[SetUp "1"]
+
+1... Kh8 2. Qh6 Rg8 *
+
+[Event "Fig 35"]
+[White "?"]
+[Black "?"]
+[Result "*"]
+[FEN "4qrk1/6p1/5pP1/8/8/8/4P3/K2Q1R1R w - - 0 1"]
+[SetUp "1"]
+
+1. Rh8+ Kxh8 2. Rh1+ Kg8 3. Rh8+ Kxh8 4. Qh1+ Kg8 5. Qh7# *
+
+[Event "Fig 36"]
+[White "?"]
+[Black "?"]
+[Result "*"]
+[FEN "5bk1/6p1/3pp1P1/Q7/8/8/8/K7 w - - 0 1"]
+[SetUp "1"]
+
+1. Qh5 Be7 2. Qh7+ Kf8 3. Qh8# *
+
+[Event "Fig 37"]
+[White "?"]
+[Black "?"]
+[Result "*"]
+[FEN "5rk1/5p2/8/8/8/8/7Q/5K1R b - - 0 1"]
+[SetUp "1"]
+
+1... Kg7 2. Qh6+ Kg8 3. Qh7# *
+
+[Event "Fig 37a"]
+[White "?"]
+[Black "?"]
+[Result "*"]
+[FEN "5rk1/5p2/6p1/8/8/8/7Q/5K1R b - - 0 1"]
+[SetUp "1"]
+
+1... Kg7 *
+
+[Event "Fig 38"]
+[White "?"]
+[Black "?"]
+[Result "*"]
+[FEN "5r1k/4pppB/8/7Q/8/8/8/K7 b - - 0 1"]
+[SetUp "1"]
+
+1... g6 2. Qh6 *
+
+[Event "Fig 39"]
+[White "?"]
+[Black "?"]
+[Result "*"]
+[FEN "4r2k/6pp/5n2/3Q2N1/8/8/8/7K w - - 0 1"]
+[SetUp "1"]
+
+1. Nf7+ Kg8 2. Nh6+ Kh8 3. Qg8+ Rxg8 4. Nf7# *
+
+[Event "Fig 40"]
+[White "?"]
+[Black "?"]
+[Result "*"]
+[FEN "5rk1/5pp1/8/6NQ/8/8/8/7K b - - 0 1"]
+[SetUp "1"]
+
+1... Rb8 2. Qxf7+ Kh8 3. Ne6 Rg8 4. Qh5# *
+
+[Event "Fig 41"]
+[White "?"]
+[Black "?"]
+[Result "*"]
+[FEN "5rk1/3N1p1p/6p1/4Q3/8/8/8/7K w - - 0 1"]
+[SetUp "1"]
+
+1. Nf6+ Kh8 2. Nh5+ f6 *
+
+[Event "Fig 42"]
+[White "Greco's Mate"]
+[Black "?"]
+[Result "*"]
+[FEN "5rk1/5ppp/8/3B2NQ/8/8/8/7K b - - 0 1"]
+[SetUp "1"]
+
+1... h6 2. Bxf7+ Kh8 3. Qg6 hxg5 4. Qh5# *
+
+[Event "Fig 43"]
+[White "?"]
+[Black "?"]
+[Result "*"]
+[FEN "5rk1/3b1p1p/2p1pB2/7R/8/8/8/7K b - - 0 1"]
+[SetUp "1"]
+
+1... h6 2. Rxh6 *
+
+[Event "Fig 44"]
+[White "Morphy's Mate"]
+[Black "?"]
+[Result "*"]
+[FEN "5rk1/5ppp/5b2/5Q2/8/8/1B6/R6K w - - 0 1"]
+[SetUp "1"]
+
+1. Qxf6 gxf6 2. Rg1+ Kh8 3. Bxf6# *
+
+[Event "Fig 45"]
+[White "Moryphy's Concealed Mate"]
+[Black "?"]
+[Result "*"]
+[FEN "5rk1/5ppp/8/4B1R1/8/8/8/7K w - - 0 1"]
+[SetUp "1"]
+
+1. Rxg7+ Kh8 2. Rxf7+ Kg8 3. Rg7+ Kh8 4. Rg1+ Rf6 5. Bxf6# *
+
+[Event "Fig 46"]
+[White "?"]
+[Black "?"]
+[Result "*"]
+[FEN "6k1/6p1/3R2N1/5P2/8/8/8/6K1 w - - 0 1"]
+[SetUp "1"]
+
+1. Rd8+ Kf7 2. Rf8# *
+
+[Event "Fig 47"]
+[White "Anastasia's Mate"]
+[Black "?"]
+[Result "*"]
+[FEN "5rk1/5ppp/8/2RN3R/8/8/8/7K w - - 0 1"]
+[SetUp "1"]
+
+1. Ne7+ Kh8 2. Rxh7+ Kxh7 3. Rh5# *
+
+[Event "Fig 48"]
+[White "?"]
+[Black "?"]
+[Result "*"]
+[FEN "5rk1/5p1p/5Pp1/4Q3/8/8/6K1/R7 w - - 0 1"]
+[SetUp "1"]
+
+1. Qg5 Kh8 2. Qh6 Rg8 3. Qxh7+ Kxh7 4. Rh1# *
+
+[Event "Fig 49"]
+[White "Blind Swine"]
+[Black "?"]
+[Result "*"]
+[FEN "r4rk1/1RR5/5p2/8/8/8/8/7K w - - 0 1"]
+[SetUp "1"]
+
+1. Rg7+ Kh8 2. Rh7+ Kg8 3. Rbg7# *
+
+[Event "Fig 49a"]
+[White "?"]
+[Black "?"]
+[Result "*"]
+[FEN "r4rk1/1RR5/5p2/8/8/8/8/5K2 b - - 0 1"]
+[SetUp "1"]
+
+1... Rfd8 2. Rg7+ Kh8 3. Rh7+ Kg8 4. Rbg7+ Kf8 5. Rb7 Kg8 *
+
+[Event "Fig 49b"]
+[White "?"]
+[Black "?"]
+[Result "*"]
+[FEN "r4rk1/1RR5/5p2/8/7P/8/8/5K2 b - - 0 1"]
+[SetUp "1"]
+
+1... Rfd8 2. Rg7+ Kh8 3. Rh7+ Kg8 4. Rbg7+ Kf8 5. Rb7 Kg8 6. h5 Rdc8 7. h6 Rd8
+8. Rbg7+ Kf8 9. Rh8# *
+
+[Event "Fig 49c"]
+[White "?"]
+[Black "?"]
+[Result "*"]
+[FEN "r4rk1/1RR5/8/8/7P/8/8/6K1 b - - 0 1"]
+[SetUp "1"]
+
+1... Rfd8 2. Rg7+ Kh8 3. Rh7+ Kg8 4. Rbg7+ Kf8 5. Rb7 Kg8 6. h5 Ra6 *
+
+[Event "Fig 50"]
+[White "?"]
+[Black "?"]
+[Result "*"]
+[FEN "4rkr1/8/8/8/3Q4/8/8/7K w - - 0 1"]
+[SetUp "1"]
+
+1. Qf6# *
+
+[Event "Fig 51"]
+[White "?"]
+[Black "?"]
+[Result "*"]
+[FEN "4r1r1/5k2/7Q/6P1/8/8/8/1K6 w - - 0 1"]
+[SetUp "1"]
+
+1. Qf6# *
+
+[Event "Fig 52"]
+[White "?"]
+[Black "?"]
+[Result "*"]
+[FEN "4r2k/4p2p/4bp1Q/6P1/8/8/8/6K1 w - - 0 1"]
+[SetUp "1"]
+
+1. g6 Bg8 2. g7# *
+
+[Event "Fig 53"]
+[White "?"]
+[Black "?"]
+[Result "*"]
+[FEN "5r1k/5p1p/8/4N3/3B4/8/8/7K w - - 0 1"]
+[SetUp "1"]
+
+1. Nxf7+ Kg8 2. Nh6# *
+
+[Event "Fig 54"]
+[White "?"]
+[Black "?"]
+[Result "*"]
+[FEN "3r3k/7p/7P/3p4/8/7B/8/3K2B1 w - - 0 1"]
+[SetUp "1"]
+
+1. Be6 d4 2. Bh2 d3 3. Be5# *
+
+[Event "Fig 55"]
+[White "Boden's Mate"]
+[Black "?"]
+[Result "*"]
+[FEN "2k2b1r/ppp3pp/2n2q2/3B1b2/5P2/2P1BQ2/PP1N1P1P/2KR3R b - - 0 1"]
+[SetUp "1"]
+
+1... Qxc3+ 2. bxc3 Ba3# *
+
+[Event "Fig 56"]
+[White "Pillsbury's Mate"]
+[Black "?"]
+[Result "*"]
+[FEN "1r3rk1/5ppp/8/3b4/8/8/1B3K2/R5R1 w - - 0 1"]
+[SetUp "1"]
+
+1. Rxg7+ Kh8 2. Rg8+ Kxg8 3. Rg1+ Bg2 4. Rxg2# *
+
+[Event "Fig 57"]
+[Date "1750.??.??"]
+[White "Legal's Mate"]
+[Black "?"]
+[Result "*"]
+[ECO "C41"]
+
+1. e4 e5 2. Nf3 d6 3. Bc4 Bg4 4. Nc3 g6 5. Nxe5 Bxd1 6. Bxf7+ Ke7 7. Nd5# *
+
+[Event "Fig 58"]
+[Date "1859.??.??"]
+[White "Anderssen, Adolf"]
+[Black "Lange, Max"]
+[Result "0-1"]
+[ECO "C61"]
+
+1. e4 e5 2. Nf3 Nc6 3. Bb5 Nd4 4. Nxd4 exd4 5. Bc4 Nf6 6. e5 d5 7. Bb3 Bg4 8.
+f3 Ne4 9. O-O d3 10. fxg4 Bc5+ 11. Kh1 Ng3+ 12. hxg3 Qg5 13. Rf5 h5 14. gxh5
+Qxf5 15. g4 Rxh5+ 16. gxh5 Qe4 17. Qf3 Qh4+ 18. Qh3 Qe1+ 0-1
+
+[Event "Fig 59"]
+[Date "1910.??.??"]
+[White "Reti, Richard"]
+[Black "Tartakower, Saviely G"]
+[Result "1-0"]
+[ECO "B15"]
+
+1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nf6 5. Qd3 e5 6. dxe5 Qa5+ 7. Bd2 Qxe5 8.
+O-O-O Nxe4 9. Qd8+ Kxd8 10. Bg5+ Kc7 11. Bd8# 1-0
+
+[Event "Fig 60"]
+[White "Blackburne's Mate"]
+[Black "?"]
+[Result "*"]
+[FEN "5rk1/5p1p/6p1/6N1/8/8/1BB5/KQ6 w - - 0 1"]
+[SetUp "1"]
+
+1. Qh1 h5 2. Qxh5 gxh5 3. Bh7# *
+
+[White "supplementary position"]
+[Black "?"]
+[Result "*"]
+[FEN "5r1k/4b2B/6Qp/8/8/8/8/7K w - - 0 1"]
+[SetUp "1"]
+
+1. Bg8 Rxg8 2. Qxh6# *
+
+[Event "Fig 61"]
+[White "?"]
+[Black "?"]
+[Result "*"]
+[FEN "r3r1k1/2p1bppp/pq1pb3/1p5N/4P3/P2Q3P/1PP2PP1/R1BR2K1 w - - 0 1"]
+[SetUp "1"]
+
+1. Bh6 g6 2. Qc3 f6 3. Nxf6+ Bxf6 4. Qxf6 *
+
+[Event "Fig 62"]
+[Date "1914.??.??"]
+[White "Coria"]
+[Black "Capablanca, Jose Raul"]
+[Result "*"]
+[FEN "r1br2k1/ppp2pp1/5q1p/4p3/2N1Pn2/2PB4/P1PQ1PPP/R4RK1 b - - 0 1"]
+[SetUp "1"]
+
+1... Bh3 2. Ne3 Bxg2 3. Nf5 Bxe4 4. Ng3 Nh3# *
+
+[Event "Fig 63"]
+[Date "1933.??.??"]
+[White "Field"]
+[Black "Tenner"]
+[Result "*"]
+[FEN "r4rk1/ppp2pp1/7p/2NP3n/2P1p1q1/5bB1/PPP2PPP/RN2QRK1 b - - 0 1"]
+[SetUp "1"]
+
+1... Nf4 2. Nxe4 Qh3 3. gxh3 Nxh3# *
+
+[Event "Fig 64"]
+[Date "1944.??.??"]
+[White "Boleslavsky, Isaac"]
+[Black "Ufimtsev"]
+[Result "*"]
+[FEN "2k4r/pb3p1p/1q1bpp2/2n5/2P3r1/4BN2/1P1Q1PPP/R2B1RK1 b - - 0 1"]
+[SetUp "1"]
+
+1... Ne4 2. Qa5 Rhg8 3. Ne1 Rxg2+ 4. Nxg2 Nd2 5. Qd5 Bxd5 6. cxd5 Qxb2 7. Bxd2
+Qxa1 8. Bf3 Bxh2+ *
+
+[Event "Corr."]
+[Date "1909.??.??"]
+[White "Vigodshikov"]
+[Black "Alekhine, Alexander A"]
+[Result "*"]
+[ECO "C60"]
+
+1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Bc5 6. Nxe5 Nxe5 7. d4 Nxe4 8.
+Re1 Be7 9. Rxe4 Ng6 10. Nc3 O-O 11. Nd5 Bd6 12. Qf3 f5 13. Bb3 Kh8 14. Re2 f4
+15. c4 c6 16. c5 Bb8 17. Nb6 d5 18. Nxa8 Nh4 19. Qc3 f3 20. Re5 Bxe5 21. dxe5
+Nxg2 22. Qd4 Qd7 23. e6 Qxe6 24. Bd2 Qg6 25. Bc2 Qxc2 26. Kh1 Qg6 27. Rg1 Bh3
+28. Nb6 Nf4 29. Rxg6 Bg2+ 30. Rxg2 fxg2+ 31. Kg1 Ne2+ 32. Kxg2 Nxd4 *
+
+[Event "Zurich"]
+[Date "1934.??.??"]
+[White "Alekhine, Alexander A"]
+[Black "Lasker"]
+[Result "1-0"]
+[ECO "D67"]
+
+1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 Be7 5. Bg5 Nbd7 6. e3 O-O 7. Rc1 c6 8. Bd3
+dxc4 9. Bxc4 Nd5 10. Bxe7 Qxe7 11. Ne4 N5f6 12. Ng3 e5 13. O-O exd4 14. Nf5 Qd8
+15. N3xd4 Ne5 16. Bb3 Bxf5 17. Nxf5 Qb6 18. Qd6 Ned7 19. Rfd1 Rad8 20. Qg3 g6
+21. Qg5 { Threat: 22 Rd6 } Kh8 22. Nd6 Kg7 23. e4 { prepares e5 and more
+importantly clears 3rd rank for a rook lift } Ng8 24. Rd3 f6 25. Nf5+ Kh8 26.
+Qxg6 hxg6 27. Rh3+ 1-0
+
+[Event "Fig 66"]
+[Date "1946.??.??"]
+[White "Szabo, Zsolt Jozsef"]
+[Black "Kotov, Vladimir"]
+[Result "1-0"]
+[ECO "D40"]
+
+1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Nf3 c5 5. e3 Nc6 6. a3 Be7 7. dxc5 Bxc5 8. b4
+Bb6 9. Bb2 O-O 10. Be2 dxc4 11. Bxc4 Qe7 12. O-O a6 13. Qc2 Bc7 14. Ng5 Bxh2+
+15. Kh1 h6 16. Nd5 exd5 17. Bxf6 Bf5 18. Qxf5 g6 19. Qxg6+ fxg6 20. Bxd5+ Rf7
+21. Bxe7 hxg5 22. Kxh2 Nxe7 23. Bxf7+ Kxf7 24. Rac1 Nc6 25. Rfd1 Ke6 26. Rc5
+Rh8+ 27. Kg3 Rh5 28. Rdd5 Rh8 29. Rxg5 1-0
+
+[Event "Fig 67"]
+[White "?"]
+[Black "?"]
+[Result "*"]
+[FEN "r2q1rk1/1pp3pp/p1nbpp2/3p2P1/3P3P/P1NBP3/1PP1QP2/2KR3R w - - 0 1"]
+[SetUp "1"]
+
+1. Bxh7+ Kxh7 2. Qh5+ Kg8 3. g6 Re8 4. Qh7+ Kf8 5. Qh8+ Ke7 6. Qxg7# *
+
+[Event "Fig 68"]
+[White "?"]
+[Black "?"]
+[Result "*"]
+[FEN "r3k1nr/pppb1Nb1/2np3p/8/1PB1PRpq/2P5/P2P2P1/RNBQ2K1 b kq - 0 1"]
+[SetUp "1"]
+
+1... Be5 2. Nxe5 dxe5 3. Rf7 g3 4. Qf3 Bg4 5. Rf8+ Kd7 6. Rf7+ Nge7 7. Qe3 Raf8
+8. Kf1 Rxf7+ 9. Bxf7 Rf8 10. Qg1 Qh2 *
+
+[Event "Fig 69"]
+[Date "1988.??.??"]
+[Round "11"]
+[White "Giuoco Piano Moller Attack"]
+[Black "?"]
+[Result "1/2-1/2"]
+[ECO "C54"]
+
+1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. cxd4 Bb4+ 7. Nc3 Nxe4 8.
+O-O Bxc3 9. d5 Bf6 10. Re1 Ne7 11. Rxe4 d6 12. Bg5 Bxg5 13. Nxg5 O-O 14. Nxh7
+Kxh7 15. Qh5+ Kg8 16. Rh4 f5 17. Qh7+ Kf7 18. Rh6 Rg8 19. Re1 Qf8 20. Bb5 Rh8
+21. Qxh8 gxh6 22. Qh7+ Kf6 23. Rxe7 Qxe7 24. Qxh6+ Ke5 25. Qe3+ Kf6 26. Qh6+
+Ke5 1/2-1/2
+
+[Event "Fig 70"]
+[White "Tylor, Theodore"]
+[Black "Koltanowski, George"]
+[Result "*"]
+[FEN "r1bqr1k1/pppnbppp/3p1n2/8/2BNP3/2N5/PPP1QPPP/R1B2RK1 w - - 0 1"]
+[SetUp "1"]
+
+1. Bxf7+ Kxf7 2. Ne6 Kxe6 3. Qc4+ d5 4. exd5+ Kf7 5. d6+ Kf8 6. dxc7 Nb6 7.
+cxd8=Q Nxc4 8. Qd4 *
+
+[Event "Fig 71"]
+[Date "1912.??.??"]
+[White "Burn, Amos"]
+[Black "Cohn"]
+[Result "1-0"]
+[ECO "D60/06"]
+
+1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Nbd7 5. e3 Be7 6. Nf3 O-O 7. Bd3 dxc4 8.
+Bxc4 a6 9. O-O c5 10. Qe2 b5 11. Bb3 Bb7 12. Rad1 Qa5 13. Ne5 Rfe8 14. f4 c4
+15. Bc2 Nf8 16. f5 Qc7 17. fxe6 Nxe6 18. Nxf7 Kxf7 19. Qh5+ Kg8 20. Bxf6 Bxf6
+21. Qxh7+ Kf8 22. d5 Qe5 23. dxe6 Qxe3+ 24. Kh1 Qxe6 25. Bg6 Qg8 26. Qxg8+ Kxg8
+27. Bxe8 1-0
+
+[Event "Fig 72"]
+[Date "1911.??.??"]
+[White "Capablanca, Jose Raul"]
+[Black "Illa"]
+[Result "*"]
+[FEN "b2q1rk1/5ppp/4pnn1/3p2N1/1b3PN1/1P1BP3/1B2Q1PP/5R1K w - - 0 1"]
+[SetUp "1"]
+
+1. Bxf6 gxf6 2. Nh6+ Kg7 3. Nhxf7 { attacking e6 } Qe8 4. Qh5 fxg5 5. Qh6+ Kg8
+6. Nxg5 Qe7 7. Bxg6 hxg6 8. Qxg6+ Qg7 9. Qxe6+ Kh8 10. Rf3 *
+
+[Event "Fig 73"]
+[Date "1955.??.??"]
+[Round "15"]
+[White "Najdorf, Miguel"]
+[Black "Ivkov, Borislav"]
+[Result "1/2-1/2"]
+[ECO "E96/02"]
+
+1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. O-O Nbd7 8. Re1
+c6 9. Bf1 Re8 10. Rb1 a5 11. b3 Ng4 12. Bg5 f6 13. Bc1 exd4 14. Nxd4 f5 15. h3
+Qb6 16. Nce2 Nxf2 17. Kxf2 Rxe4 18. Bb2 Nc5 19. Kg1 Ne6 20. Kh1 Nxd4 21. Nxd4
+Rxd4 22. Bxd4 Qxd4 23. Qxd4 Bxd4 24. Rbd1 c5 25. Re8+ Kf7 26. Rde1 Be5 27. Rd8
+b6 28. Bd3 h5 29. Bc2 Ke7 30. Rh8 Kf7 31. Rd8 Ke7 32. Rh8 Kf7 1/2-1/2
+
+[Event "Consultation Game"]
+[Site "Paris"]
+[Date "1909.??.??"]
+[White "Janowski, Dawid M"]
+[Black "Lasker"]
+[Result "*"]
+[ECO "C21"]
+
+1. e4 e5 2. d4 exd4 3. c3 dxc3 4. Bc4 cxb2 5. Bxb2 Nf6 6. e5 Bb4+ 7. Nc3 Qe7 8.
+Ne2 Ne4 9. O-O Nxc3 10. Bxc3 Bxc3 11. Nxc3 O-O 12. Nd5 Qxe5 13. Re1 Qd6 14. Qh5
+c6 15. Nc7 g6 16. Qh6 Qxc7 17. Bxf7+ Kxf7 18. Qxh7+ Kf6 19. Qh4+ Kg7 20. Re7+
+Rf7 21. Qd4+ Kf8 22. Qh8+ Kxe7 23. Re1+ Kd6 24. Qe5# *
+
+[Event "Fig 74"]
+[White "?"]
+[Black "?"]
+[Result "*"]
+[FEN "r4rk1/pbq2p1p/1p1pp1p1/5P2/2P3P1/PP6/R2Q2P1/1B3R1K w - - 0 1"]
+[SetUp "1"]
+
+1. f6 Kh8 2. Qh6 Rg8 3. Rf3 Bxf3 4. gxf3 d5 5. f4 *
+
+[White "?"]
+[Black "Art of Attack"]
+[Result "*"]
+[FEN "1qr4k/1p3p1p/5p1Q/pP1pbP2/P7/3BP1P1/5KP1/5R2 w - - 0 1"]
+[SetUp "1"]
+
+1. Rh1 Kg8 2. Rh5 Qc7 { protects 3rd focal point at f7 while connecting with
+rook } 3. b6 Qd7 4. Rh4 Bxg3+ 5. Kxg3 Qd6+ 6. Kf3 Qf8 7. Qxh7# *
+
+[Event "Fig 76"]
+[Date "1947.??.??"]
+[White "Szabo, Zsolt Jozsef"]
+[Black "Van Scheltinga, Theo D"]
+[Result "1-0"]
+[ECO "C53/06"]
+
+1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Qe7 5. O-O d6 6. d4 Bb6 7. h3 Nf6 8. Re1
+O-O 9. b4 a6 10. Na3 Kh8 11. Nc2 Nd8 12. Be3 Nxe4 13. dxe5 d5 14. Qxd5 Nxc3 15.
+Qd3 Bxe3 16. Nxe3 Qxb4 17. Rac1 Nb5 18. Ng5 g6 19. Nd5 Qa3 20. Bxb5 axb5 21.
+Rc3 Qa5 22. e6 Nxe6 23. Rxe6 Bxe6 24. Qd4+ f6 25. Nxf6 { threatening Nh5+ and
+Qg7 } Qb6 26. Qe5 Qd6 27. Rxc7 1-0
+
+[Event "Fig 77"]
+[Site "Muenchen"]
+[Date "1936.??.??"]
+[Round "4"]
+[White "Vukovic"]
+[Black "Endzelins, Lucius"]
+[Result "1-0"]
+[ECO "E48"]
+
+1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 c5 6. Ne2 d5 7. cxd5 cxd4 8.
+exd4 Nxd5 9. O-O Nc6 10. a3 Be7 11. Qb3 Nf6 12. Rd1 b6 13. Be3 Bb7 14. Qa2 Bd6
+15. h3 Ne7 16. Rac1 Ned5 17. Qb1 Nxc3 18. Nxc3 h6 19. Qc2 Rc8 20. Qd2 Bb8 21.
+Bxh6 Qd6 22. g3 Qc6 23. d5 exd5 24. Ne2 Qe6 25. Bxg7 Kxg7 26. Qg5+ Kh8 27. Qh4+
+Kg7 28. Nd4 Rg8 29. Qg5+ Kf8 30. Nxe6+ Ke7 31. Ng7 Rxg7 32. Qxg7 Rg8 33. Re1+
+1-0
+
+[Event "Fig 78"]
+[White "?"]
+[Black "?"]
+[Result "*"]
+[FEN "r1n2rk1/1b2qpp1/p6p/1p2P3/1P1p4/3B4/1P2QPPP/R1B1R1K1 w - - 0 1"]
+[SetUp "1"]
+
+1. Qh5 Re8 2. Bxh6 gxh6 3. Qxh6 Qe6 4. Qh7+ Kf8 5. Bf5 Qc6 6. Be4 Qb6 7. Bxb7
+Qxb7 8. e6 Nd6 9. e7+ *
+
+[Event "Fig 79"]
+[White "?"]
+[Black "?"]
+[Result "*"]
+[FEN "r1r3k1/pp1q1p1p/2n1pBp1/3pP3/2pP4/2P5/PP3PPP/R2QR1K1 b - - 0 1"]
+[SetUp "1"]
+
+1... h6 2. Re3 Kh7 3. Rh3 Ne7 4. Rxh6+ Kxh6 5. Qg4 Kh7 6. Qh4+ Kg8 7. Qh8# *
+
+[Event "Fig 79b"]
+[White "?"]
+[Black "?"]
+[Result "*"]
+[FEN "r1r3k1/pp1q1p1p/2n1pBp1/3pP3/2pP3P/2P5/PP3PP1/R2QR1K1 b - - 0 1"]
+[SetUp "1"]
+
+1... b5 2. Qd2 Qe8 3. Re3 Qf8 4. Rh3 a5 5. h5 b4 6. g3 a4 7. a3 { prevents the
+pincer 7...a3 } bxc3 8. bxc3 Na5 9. Qg5 Nb3 10. Re1 Rc7 11. Kg2 Raa7 12. Reh1
+Rab7 13. Rh4 Rd7 14. Rf4 Rdc7 15. hxg6 fxg6 16. Qxg6+ hxg6 17. Rh8+ Kf7 18.
+Bd8+ *
+
+[Event "Fig 80"]
+[Site "Amsterdam"]
+[Date "1939.??.??"]
+[Round "5"]
+[White "Euwe, Max"]
+[Black "Flohr, Salomon M"]
+[Result "1-0"]
+[ECO "D93"]
+
+1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 g6 5. Bf4 Bg7 6. e3 O-O 7. Qb3 dxc4 8. Bxc4
+Nbd7 9. Ne5 Qe8 10. Be2 Nxe5 11. Bxe5 Qd8 12. O-O Qb6 13. Qa3 Re8 14. Rac1 Bf8
+15. Na4 Qd8 16. Rfd1 Nd5 17. e4 e6 18. Qf3 Nb6 19. Nc5 Nd7 20. Nxd7 Bxd7 21.
+Bf6 Qa5 22. Rc5 Qxa2 23. Rh5 e5 { prevents Qh3 } 24. dxe5 Be6 25. Qf4 Qxb2 26.
+Bf1 Be7 27. Qh4 Bc5 28. Rh6 a5 29. Rd3 Bxf2+ 30. Qxf2 Qxf2+ 31. Kxf2 a4 32. Be2
+Ra5 33. g4 Rxe5 34. Bxe5 Bc4 35. Rdh3 Bxe2 36. Bf6 Re6 37. e5 Bxg4 38. Rxh7
+Rxf6+ 39. exf6 Bxh3 40. Rxh3 b5 41. Rc3 b4 42. Rxc6 b3 43. Rb6 1-0
+
+[Event "Fig 81"]
+[Site "Mar del Plata"]
+[Date "1942.??.??"]
+[Round "13"]
+[White "Pilnik, Hermann"]
+[Black "Najdorf, Miguel"]
+[Result "1-0"]
+[ECO "B15"]
+
+1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nf6 5. Nxf6+ exf6 6. c3 Bd6 7. Bd3 O-O 8.
+Qh5 g6 9. Qh4 c5 10. Ne2 Nc6 11. Bh6 f5 12. Bg5 Qb6 13. O-O cxd4 14. cxd4 Re8
+15. Bc4 h5 16. Rae1 Re4 17. Nf4 Qxd4 18. Rxe4 fxe4 19. Nxh5 gxh5 20. Bf6 Qc5
+21. Rd1 Kf8 22. b4 Nxb4 23. Qg3 Bg4 24. Rxd6 Nd3 25. Bxd3 Qc1+ 26. Bf1 Rc8 27.
+h3 Qxf1+ 28. Kh2 Qc1 29. hxg4 hxg4 30. Qxg4 Qh6+ 31. Kg3 Rc3+ 32. f3 1-0
+
+[Event "Fig 82"]
+[White "Greco's Analysis"]
+[Black "?"]
+[Result "*"]
+[FEN "r1bq1rk1/ppppbppp/2n1p3/3nP3/3P3P/3B1N2/PPP2PP1/RNBQK2R w KQ - 0 1"]
+[SetUp "1"]
+
+1. Bxh7+ Kxh7 2. Ng5+ Kg8 3. Qh5 Re8 4. Qh7+ Kf8 5. Qh8# *
+
+[White "?"]
+[Black "Art of Attack"]
+[Result "*"]
+[FEN "r1bq1rk1/pp1n1ppp/2n1p3/3pP3/3P4/P1PB1N2/5PPP/R1BQ1RK1 w - - 0 1"]
+[SetUp "1"]
+
+1. Bxh7+ Kxh7 2. Ng5+ Kg8 3. Qh5 Re8 4. Qxf7+ Kh8 5. Qh5+ Kg8 6. Qh7+ Kf8 7.
+Qh8+ Ke7 8. Qxg7# *
+
+[White "?"]
+[Black "Art of Attack"]
+[Result "*"]
+[FEN "r1b2rk1/pp1n1ppp/2n1p3/q2pP3/3P4/P1PB1N2/5PPP/R1BQ1RK1 w - - 0 1"]
+[SetUp "1"]
+
+1. Bxh7+ Kxh7 2. Ng5+ Kh6 3. Qg4 Rh8 4. Nxe6+ Kh7 5. Qxg7# *
+
+[Event "Fig 84"]
+[White "?"]
+[Black "?"]
+[Result "*"]
+[FEN "r1bq1rk1/pp1n1ppp/1bp1p3/8/3P1B2/2PB1N2/PP3PPP/R2QR1K1 w - - 0 1"]
+[SetUp "1"]
+
+1. Bxh7+ Kxh7 2. Ng5+ Kg8 3. Qh5 Nf6 4. Qh4 Re8 5. Be5 Qe7 6. Re3 Bd8 7. Rh3 *
+
+[Event "Fig 85"]
+[White "?"]
+[Black "?"]
+[Result "*"]
+[FEN "r1bqnrk1/pp3ppp/n7/2p1P3/3p4/3B1N2/PPP1QPPP/R1B1R1K1 w - - 0 1"]
+[SetUp "1"]
+
+1. Bxh7+ Kxh7 2. Ng5+ Kg8 3. Qe4 f5 4. Qh4 Rf7 5. Qh8+ Kxh8 6. Nxf7+ Kg8 7.
+Nxd8 *
+
+[Event "Fig 86"]
+[White "?"]
+[Black "?"]
+[Result "*"]
+[FEN "rnbqr1k1/pp1n1ppp/4p3/2ppP3/3P4/2PB1N2/PP3PPP/R1BQR1K1 w - - 0 1"]
+[SetUp "1"]
+
+1. Bxh7+ Kxh7 2. Ng5+ Kg8 3. Qh5 Nf8 4. Qxf7+ Kh8 5. Re3 *
+
+[Event "Fig 87"]
+[White "?"]
+[Black "?"]
+[Result "*"]
+[FEN "r1bq1rk1/4nppp/ppn1p3/2ppP3/3P1B2/2PB1N2/P1P2PPP/R2Q1RK1 w - - 0 1"]
+[SetUp "1"]
+
+1. Bxh7+ Kxh7 2. Ng5+ Kg6 3. Qg4 f5 4. Qg3 Qe8 5. h4 Rh8 6. Nxe6+ Kf7 7. Qxg7+
+Kxe6 8. Qf6+ Kd7 9. Qd6# *
+
+[Event "Fig 88"]
+[White "?"]
+[Black "?"]
+[Result "*"]
+[FEN "r1bq1rk1/ppp2ppp/1nn1p3/3p4/3P4/2PB1N2/PP3PPP/R1BQR1K1 w - - 0 1"]
+[SetUp "1"]
+
+1. Bxh7+ Kxh7 2. Ng5+ Kg6 3. Qg4 f5 4. Qg3 f4 5. Bxf4 Kf5 6. h3 Qe8 7. Nh7 Qh5
+8. Qd3+ Kxf4 9. g3# *
+
+[Event "Budva"]
+[Date "1963.??.??"]
+[White "Zinn, Lothar"]
+[Black "Monti"]
+[Result "*"]
+[ECO "B88"]
+
+1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 e6 7. O-O Be7 8. Bb3
+O-O 9. Be3 Nc6 10. f4 Bd7 11. Kh1 Nxd4 12. Bxd4 Bc6 13. Qe2 Qc7 14. e5 Nd7 15.
+Rae1 dxe5 16. fxe5 Nc5 17. Bxc5 Bxc5 18. Rf4 Rad8 19. Rh4 Rd4 20. Rh3 Rfd8 21.
+Qh5 Rd2 22. Qxh7+ Kf8 23. Qh8+ Ke7 24. Qh4+ Ke8 25. Ne4 Qxe5 26. Nxd2 Rxd2 27.
+Rf3 Bxf3 28. gxf3 Rxh2+ 29. Qxh2 Qxe1+ *
+
+[Event "Fig 89"]
+[White "?"]
+[Black "?"]
+[Result "*"]
+[FEN "r1b2rk1/ppq2ppp/1nn1p3/3pP3/2pP4/2P2N2/PPBN1PPP/R2Q1RK1 w - - 0 1"]
+[SetUp "1"]
+
+1. Bxh7+ Kxh7 2. Ng5+ Kg6 3. Qg4 f5 4. Qh4 Nxe5 5. dxe5 Qxe5 6. Ndf3 Qc7 7.
+Rae1 *
+
+[Event "Fig 90"]
+[White "?"]
+[Black "?"]
+[Result "*"]
+[FEN "r1bq1rk1/pp2nppp/1n2p3/4P3/8/2NB1N2/PP3PPP/R2Q1RK1 w - - 0 1"]
+[SetUp "1"]
+
+1. Bxh7+ Kxh7 2. Ng5+ Kg6 3. Qg4 f5 4. exf6 Kxf6 5. Nce4+ Ke5 6. f4+ Kd5 7.
+Qd1+ Kc6 8. Rc1+ Kb5 9. Rc5+ *
+
+[Event "Fig 91"]
+[White "?"]
+[Black "?"]
+[Result "*"]
+[FEN "r2q1rk1/pbp2ppp/1pn1p3/3pP3/3P3P/P1PB1N2/2P2PP1/R2Q1RK1 w - - 0 1"]
+[SetUp "1"]
+
+1. Bxh7+ Kxh7 2. Ng5+ Kh6 3. f4 Ne7 4. h5 g6 5. hxg6 Nxg6 6. Qg4 Kg7 7. f5 exf5
+8. Rxf5 Bc8 9. Qh5 *
+
+[Event "Fig 92"]
+[White "?"]
+[Black "?"]
+[Result "*"]
+[FEN "r2qnrk1/pb3ppp/1n2p3/1p2P3/2p2B2/1P1B1N1P/P1P2PP1/R2Q1RK1 w - - 0 1"]
+[SetUp "1"]
+
+1. Bxh7+ Kh8 2. Ng5 Qxd1 3. Rfxd1 g6 *
+
+[Site "Moscow"]
+[Date "1947.??.??"]
+[White "Kottnauer, Cenek"]
+[Black "Kotov, Vladimir"]
+[Result "1-0"]
+[ECO "D49"]
+
+1. d4 d5 2. c4 e6 3. Nc3 c6 4. Nf3 Nf6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3
+a6 9. e4 c5 10. e5 cxd4 11. Nxb5 axb5 12. exf6 Qb6 13. fxg7 Bxg7 14. Qe2 O-O
+15. O-O Nc5 16. Bxh7+ Kxh7 17. Ng5+ Kg6 18. Qg4 f5 19. Qg3 Kf6 20. Bf4 Ke7 21.
+Rac1 Ra7 22. Rfe1 Bd7 23. b4 Na6 24. Nxe6 Bxe6 25. Qxg7+ Rf7 26. Bg5+ Kd7 27.
+Qh8 Qb8 28. Qxd4+ 1-0
+
+[Event "Buenos Aires"]
+[Date "1911.??.??"]
+[White "Capablanca, Jose Raul"]
+[Black "Molina, Fabrizio"]
+[Result "*"]
+[ECO "D52"]
+
+1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Nbd7 5. e3 c6 6. Nf3 Be7 7. cxd5 Nxd5 8.
+Bxe7 Nxe7 9. Bd3 c5 10. O-O O-O 11. dxc5 Nxc5 12. Bxh7+ Kxh7 13. Ng5+ Kg6 14.
+Qg4 f5 15. Qg3 Kh6 16. Qh4+ Kg6 17. Qh7+ Kf6 18. e4 Ng6 19. exf5 exf5 20. Rad1
+Nd3 21. Qh3 Ndf4 22. Qg3 Qc7 23. Rfe1 Ne2+ 24. Rxe2 Qxg3 25. Nh7+ Kf7 26. hxg3
+Rh8 27. Ng5+ Kf6 28. f4 *
+
+[Site "Nice"]
+[Date "1930.??.??"]
+[White "Colle, Edgard"]
+[Black "O'Hanlon"]
+[Result "1-0"]
+[ECO "D05"]
+
+1. d4 d5 2. Nf3 Nf6 3. e3 c5 4. c3 e6 5. Bd3 Bd6 6. Nbd2 Nbd7 7. O-O O-O 8. Re1
+Re8 9. e4 dxe4 10. Nxe4 Nxe4 11. Bxe4 cxd4 12. Bxh7+ Kxh7 13. Ng5+ Kg6 14. h4
+Rh8 15. Rxe6+ Nf6 16. h5+ Kh6 17. Rxd6 Qa5 18. Nxf7+ Kh7 19. Ng5+ Kg8 20. Qb3+
+1-0
+
+[Event "Fig 96"]
+[White "?"]
+[Black "?"]
+[Result "*"]
+[FEN "3r2k1/p4ppp/1q6/1Nrn4/8/2p1P3/P1R1QPPP/2R3K1 w - - 0 1"]
+[SetUp "1"]
+
+1. Nxc3 Nxc3 2. Rxc3 Rxc3 3. Rxc3 Qb2 4. Qd3 Qa1+ *
+
+[Event "Fig 97"]
+[White "?"]
+[Black "?"]
+[Result "*"]
+[FEN "2r3k1/2qn1ppp/p7/1p1RPP2/8/1B2Q3/P5PP/6K1 w - - 0 1"]
+[SetUp "1"]
+
+1. e6 Nb6 2. e7 Re8 3. Rd8 Rxd8 4. e8=Q+ *
+
+[Event "Fig 98"]
+[White "?"]
+[Black "?"]
+[Result "*"]
+[FEN "3rRrk1/6pp/2QP4/1p6/1Pq5/8/6PP/3R3K w - - 0 1"]
+[SetUp "1"]
+
+1. Rxd8 Rxd8 2. Qb6 Rf8 3. d7 Rf1+ 4. Qg1 Rxg1+ 5. Kxg1 *
+
+[Event "Stockholm"]
+[Date "1912.??.??"]
+[Round "4"]
+[White "Alekhine, Alexander A"]
+[Black "Cohn"]
+[Result "1-0"]
+[ECO "C45"]
+
+1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nf6 5. e5 Qe7 6. f4 d6 7. Bb5 Bd7 8.
+Bxc6 bxc6 9. O-O dxe5 10. fxe5 Ng4 11. Nc3 Qh4 12. Nf3 Qh5 13. Ne4 Be7 14. Qd4
+Be6 15. Bg5 Bxg5 16. Nexg5 O-O 17. h3 Nh6 18. Qe4 Bf5 19. Qxc6 Qg6 20. Qxg6
+Bxg6 21. Nd4 Rab8 22. b3 Rfe8 23. Rad1 Rb6 24. c4 Rxe5 25. c5 Ra6 26. Nde6 Kh8
+27. Rd8+ Ng8 28. Nxc7 Rxa2 29. Rfd1 f6 30. Rxg8+ Kxg8 31. Rd8+ Be8 32. Nxe8 Kf8
+33. Nd6+ Ke7 34. Re8+ Kd7 35. Rxe5 fxe5 36. Nc4 Kc6 37. Ne4 Ra1+ 38. Kf2 Kd5
+39. Kf3 a5 40. Ke2 a4 41. Ncd2 a3 42. b4 Rc1 43. Kd3 a2 44. Nb3 Rd1+ 45. Kc2
+a1=Q 46. Nxa1 Rxa1 47. Nc3+ Kc6 48. Kd3 Rf1 49. g3 h5 50. Kc4 h4 51. b5+ Kd7
+52. gxh4 Rf4+ 53. Kd5 Rxh4 54. c6+ Kc7 55. Kc5 Rxh3 56. b6+ Kb8 57. Nb5 1-0
+
+[Event "Fig 100"]
+[White "?"]
+[Black "?"]
+[Result "*"]
+[FEN "r1b2rk1/pp3qpp/8/3pp2P/1P6/6R1/2P3P1/3QRBK1 w - - 0 1"]
+[SetUp "1"]
+
+1. Rxe5 Qf2+ 2. Kh2 Qxf1 3. Qxd5+ Kh8 4. Rf3 Rxf3 5. Qxf3 *
+
+[Event "Fig 101"]
+[White "?"]
+[Black "?"]
+[Result "*"]
+[FEN "r6k/3R2pp/1p6/2b4P/1pp5/6P1/PPP3KN/8 b - - 0 1"]
+[SetUp "1"]
+
+1... h6 2. Ng4 Rxa2 3. Ne5 Kg8 4. Rd8+ Bf8 5. Nxc4 b5 6. Ne5 Rxb2 7. Ng6 Rxc2+
+8. Kh3 Kf7 9. Rxf8+ *
+
+[Event "Fig 101b"]
+[White "?"]
+[Black "?"]
+[Result "*"]
+[FEN "r6k/3R2pp/1p6/2b4P/1pp5/6P1/PPP3KN/8 b - - 0 1"]
+[SetUp "1"]
+
+1... h6 2. Ng4 Rxa2 3. Ne5 Kg8 4. Rd8+ Bf8 5. Nxc4 b5 6. Ne5 Rxb2 7. Ng6 Rxc2+
+8. Kh3 Kf7 9. Rxf8+ *
+
+[Site "Goteborg"]
+[Date "1920.??.??"]
+[Round "12"]
+[White "Rubinstein, Akiba K"]
+[Black "Maroczy, Geza"]
+[Result "1-0"]
+[ECO "D63"]
+
+1. d4 Nf6 2. Nf3 d5 3. c4 e6 4. Bg5 Be7 5. e3 Nbd7 6. Nc3 O-O 7. Rc1 Re8 8. Qc2
+dxc4 9. Bxc4 c5 10. O-O cxd4 11. Nxd4 a6 12. Rfd1 Qa5 13. Bh4 Ne5 14. Be2 Ng6
+15. Bg3 e5 16. Nb3 Qc7 17. Qb1 Qb8 18. Bf3 Qa7 19. Na5 Bb4 20. Nc4 Bd7 21. Nd5
+Nxd5 22. Bxd5 Be6 23. Qe4 Bxd5 24. Rxd5 Rac8 25. Rcd1 Bf8 26. b3 b5 27. Nd6
+Bxd6 28. Rxd6 Rc7 29. h4 f6 30. Qd5+ Kh8 31. h5 Nf8 32. h6 Ng6 33. Qe6 Rf8 34.
+Rd7 gxh6 35. Bh4 Nxh4 36. Qe7 1-0
+
+[Site "New York"]
+[Date "1927.??.??"]
+[Round "1"]
+[White "Nimzowitsch, Aron I"]
+[Black "Capablanca, Jose Raul"]
+[Result "0-1"]
+[ECO "D30"]
+
+1. c4 Nf6 2. Nf3 e6 3. d4 d5 4. e3 Be7 5. Nbd2 O-O 6. Bd3 c5 7. dxc5 Na6 8. O-O
+Nxc5 9. Be2 b6 10. cxd5 Nxd5 11. Nb3 Bb7 12. Nxc5 Bxc5 13. Qa4 Qf6 14. Ba6 Bxa6
+15. Qxa6 Nb4 16. Qe2 Rfd8 17. a3 Nd3 18. Ne1 Nxe1 19. Rxe1 Rac8 20. Rb1 Qe5 21.
+g3 Qd5 22. b4 Bf8 23. Bb2 Qa2 24. Ra1 Qb3 25. Bd4 Rc2 26. Qa6 e5 27. Bxe5 Rdd2
+28. Qb7 Rxf2 29. g4 Qe6 30. Bg3 Rxh2 31. Qf3 Rhg2+ 32. Qxg2 Rxg2+ 33. Kxg2 Qxg4
+34. Rad1 h5 35. Rd4 Qg5 36. Kh2 a5 37. Re2 axb4 38. axb4 Be7 39. Re4 Bf6 40.
+Rf2 Qd5 41. Re8+ Kh7 0-1
+
+[Site "Warsaw"]
+[Date "1935.??.??"]
+[Round "3"]
+[White "Flohr, Salomon M"]
+[Black "Stoltz, Gosta"]
+[Result "1-0"]
+[ECO "D23"]
+
+1. d4 d5 2. Nf3 Nf6 3. c4 dxc4 4. Qa4+ c6 5. Qxc4 g6 6. g3 Bg7 7. Bg2 Be6 8.
+Qc2 Bf5 9. Qa4 Nbd7 10. Nc3 Ne4 11. O-O Nb6 12. Qb3 O-O 13. Rd1 Nxc3 14. bxc3
+Qd5 15. Nd2 Qd7 16. a4 Be6 17. Qc2 Rad8 18. Nb3 Qc8 19. Nc5 Bc4 20. Rb1 e5 21.
+e3 Ba6 22. Nxa6 bxa6 23. Ba3 Rfe8 24. Bc5 Nd7 25. Bxa7 Qc7 26. Bc5 Nxc5 27.
+dxc5 Rxd1+ 28. Rxd1 Qa5 29. Bxc6 Rc8 30. Bd5 Qxc5 31. Qb3 Qc7 32. Rb1 Bf8 33.
+Qa2 Qd7 34. Rb6 Kg7 35. c4 a5 36. Qb2 Bd6 37. Qb5 Qd8 38. Rb7 Bc7 39. Qc6 h5
+40. h4 Qe7 41. Ra7 Qd8 42. Kg2 Kf8 43. c5 Kg7 44. Bxf7 Kxf7 45. Ra6 Bd6 46.
+Qd5+ Kg7 47. Rxd6 Qe8 48. Re6 Rxc5 49. Qb7+ 1-0
+
+[Site "Teplitz-Schoenau"]
+[Date "1922.??.??"]
+[Round "6"]
+[White "Johner"]
+[Black "Rubinstein, Akiba K"]
+[Result "0-1"]
+[ECO "D30"]
+
+1. d4 d5 2. c4 e6 3. Nf3 a6 4. cxd5 exd5 5. Nc3 Nf6 6. Bg5 Be7 7. e3 O-O 8. Bd3
+c6 9. Bxf6 Bxf6 10. Qc2 h6 11. O-O-O Bg4 12. h3 Bxf3 13. gxf3 a5 14. Kb1 Nd7
+15. Ne2 Qb6 16. Bf5 Rfd8 17. Bxd7 Rxd7 18. Nf4 Rd6 19. Rhg1 Kh8 20. Rg4 Rg8 21.
+Rdg1 Qc7 22. Nd3 b6 23. f4 c5 24. dxc5 bxc5 25. Qxc5 Rc6 26. Qa3 Rc8 27. Rd1
+Bxb2 28. Kxb2 Rc3 29. Qa4 Rc2+ 30. Ka3 Qd6+ 0-1
+
+[Event "Fig 106"]
+[Date "1931.??.??"]
+[White "Roedl"]
+[Black "Saemisch, Friedrich"]
+[Result "*"]
+[FEN "r4rk1/p1qn1ppp/3p1b2/3P4/1p1BB1P1/3R4/PPP2Q1P/5RK1 w - - 0 1"]
+[SetUp "1"]
+
+1. Bxh7+ Kxh7 2. Rh3+ Kg8 3. Bxf6 Nxf6 4. Qh4 Qc5+ 5. Rf2 Nh5 6. Qxh5 f6 7. g5
+Qxd5 8. Qh7+ Kf7 9. Rxf6+ Ke7 10. Qxg7+ Rf7 11. Rxf7+ Qxf7 12. Re3+ *
+
+[Event "Fig 107"]
+[White "Schmidt"]
+[Black "Richter"]
+[Result "*"]
+[FEN "r1b2r2/3pNpkp/3pn1p1/2pN3P/2PnP3/q3QP2/4BKP1/1R5R w - - 0 1"]
+[SetUp "1"]
+
+1. Qh6+ Kxh6 2. hxg6+ Kg5 3. Rh5+ Kxh5 4. f4+ Nxe2 5. Nf6+ Kh6 6. Rh1+ Kg7 7.
+Ne8+ Rxe8 8. Rxh7+ Kf6 9. Rxf7# *
+
+[Event "Fig 108"]
+[Date "1946.??.??"]
+[White "Toth, Christian Endre"]
+[Black "Szigeti"]
+[Result "*"]
+[FEN "5rk1/pbrn1ppp/1ppN1q2/2P1p3/3P4/1PRB4/P3QPPP/5RK1 w - - 0 1"]
+[SetUp "1"]
+
+1. Bxh7+ Kxh7 2. Rh3+ Kg8 3. Qh5 Qh6 4. Nf5 Qxh5 5. Ne7+ Kh7 6. Rxh5# *
+
+[Event "Fig 108"]
+[White "?"]
+[Black "?"]
+[Result "*"]
+[FEN "r7/pp1k4/2pp1np1/2b4r/3nP1p1/4B3/PP3PP1/RN1Q1RK1 b - - 0 1"]
+[SetUp "1"]
+
+1... Rah8 2. f4 Rh1+ 3. Kf2 Nxe4+ 4. Ke1 Rxf1+ 5. Kxf1 Rh1+ 6. Bg1 Rxg1+ 7.
+Kxg1 Nf3+ 8. Kf1 Ng3# *
+
+[Event "Fig 110"]
+[White "Krogius, Nikolai V"]
+[Black "Niemela"]
+[Result "*"]
+[FEN "r2q1rk1/pb2bp1p/1p4p1/3pP1P1/2p2P2/3BP3/PP1N2P1/R2QK2R w KQ - 0 1"]
+[SetUp "1"]
+
+1. Rxh7 cxd3 2. Kf2 f6 3. Qh1 Qe8 4. Qh6 *
+