[Event "San Francisco, Mechanics Institute 1982"]  [White "Jeremy Silman"]  [Black "Kerry Lawless"]  [Result "1-0"]  [ECO "E95"]  [Annotator "ATH"]  [PlyCount "83"]  [EventDate "1982.??.??"]  [SourceTitle "StarBase 2.88"]  [Source "Pickard & Son"]  [SourceDate "2003.01.15"]  [SourceVersion "1"]  [SourceVersionDate "2003.01.15"]  [SourceQuality "2"]   1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. Nf3 e5 7. O-O Nbd7 8. Re1  c5 $2 (8... exd4 9. Nxd4 Nc5 10. Bf1 Ne6 11. Nxe6 fxe6 12. e5 dxe5 13. Bg5 b6  $11) 9. dxc5 $6 (9. d5 $1 Ne8 10. Bg5 $16) 9... Nxc5 10. Qc2 Nh5 $2 (10... b6  11. Be3 Bb7 $11) 11. b4 (11. Bg5 $1 Qd7 12. Rad1 $16) 11... Ne6 12. Bb2 (12.  Bd2 $1 $14) 12... Nhf4 (12... Nef4 $1 13. Bf1 Bg4 $11) 13. Bf1 Nd4 $2 (13... a5  $1 14. a3 g5 $11) 14. Nxd4 exd4 15. Nd5 (15. Nb5 $1 Ne6 16. Red1 $16) 15...  Nxd5 16. exd5 a5 ({Better is} 16... Bf5 17. Qd2 Qb6 18. Red1 $14) 17. a3 (17.  b5 $1 Bf5 18. Qd2 Qb6 19. Red1 $16) 17... axb4 18. axb4 Rxa1 19. Rxa1 Bf5 20.  Qd2 Qb6 21. Ra4 (21. g3 $1 $14) 21... Rc8 22. h4 (22. g3 $1 $14) 22... h5 23.  Ra1 Re8 24. b5 (24. g3 $5) 24... Rc8 $2 (24... Qd8 $1 $11) 25. Rd1 d3 $6 (25...  Qc5 26. Bxd4 $16) 26. Bxg7 Kxg7 27. Bxd3 (27. Qc3+ Kh6 28. Bxd3 $16 {is even  stronger}) 27... Bxd3 (27... Qd4 $1 {the reason for the last note}) 28. Qxd3  Qc5 (28... Qd8 29. g3 $16 {is a marginal improvement for Black}) 29. Qc3+ Kg8  30. Re1 (30. Rc1 $1 $16) 30... Qxb5 31. Qf6 $2 (31. Re7 $1 Qb1+ 32. Kh2 Qf5 33.  Qd4 $14) 31... Qxc4 32. Qxd6 Qc7 $6 (32... Qxh4 33. Qe5 Rc2 34. g3 Qd8 $15) 33.  Qf6 Qd8 34. Qe5 Qd7 $2 (34... Qa5 $11) 35. d6 Rd8 (35... Qe6 36. Qxe6 fxe6 37.  Rxe6 $18 {is Black's best defense (though insufficient)}) 36. Qf6 Rf8 $2 (36...  b6 {delays the inevitable (but not by much)}) 37. Re7 Qd8 38. d7 b5 39. Rxf7 $2  (39. f4 b4 40. f5 {is the quick method}) 39... Qxf6 40. Rxf6 Rd8 41. Rxg6+ Kf7  42. Rb6 {Why resign now? Or maybe Black lost on time? He's lost but he's in  far better shape than just a few moves ago (before White's 39th move).} (42.  Rb6 Rxd7 43. Rxb5 Kg6 44. g3 Rd2 {etc.}) 1-0  

  [Event "1978 US Women's Championship"]  [Site "Rochester, NY"]  [White "Karen Street"]  [Black "Kate Gasser"]  [Result "0-1"]  [ECO "B08"]  [Annotator "ATH"]  [PlyCount "82"]  [EventDate "1978.07.??"]  [EventType "tourn"]  [EventRounds "11"]  [EventCountry "USA"]  [SourceTitle "CH, Sept-Oct 1995"]  [SourceDate "2014.06.24"]  [SourceVersionDate "2014.06.24"]   1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Nf3 Bg7 5. Be2 O-O 6. O-O c6 7. a4 Qc7 8. h3 e5  $5 9. dxe5 dxe5 10. Bg5 (10. Bc4 $1 b6 11. Be3 $14) 10... Nbd7 (10... Nh5 $1  $11) 11. Bc4 ({Stockfish prefers} 11. Be3 {very slightly}) 11... Nc5 (11... Rd8  $5 $11) 12. Qe2 Ne6 (12... Nh5 $1 $11) 13. Bh4 $6 (13. Be3 $1 Nh5 14. Rfd1 Nhf4  $11) 13... Nh5 (13... Nf4 $5) 14. Rfd1 $6 (14. Nb1 Kh8 15. Qe3 f6 $15) 14...  Nd4 15. Nxd4 exd4 16. Na2 (16. Nb1 Qf4 17. g3 Qh6 $15 {is a small improvement  for Black}) 16... Qf4 17. g4 $2 (17. g3 Qh6 $15) 17... g5 18. Rd3 $6 (18. Bg3  Nxg3 19. fxg3 Qxg3+ 20. Qg2 Qxg2+ 21. Kxg2 $17) 18... gxh4 19. gxh5 Be5 (19...  Be6 $1 $19) 20. Qf3 Qh2+ 21. Kf1 Be6 $6 (21... Kh8 $1 22. Ke2 Bg7 23. h6 Bxh6  24. Qf6+ Bg7 25. Qxh4 f5 $19) 22. Bxe6 fxe6 23. Qg2+ Qxg2+ 24. Kxg2 Rf4 25. Rg1  (25. Rf3 Rxe4 $17 {is a incremental improvement for White}) 25... Kg7 $6 (25...  Raf8 26. Rd2 Kg7 $17) 26. f3 $2 (26. Rf3 Kh6 $17) 26... Kh6 (26... c5 $5) 27.  Kf2 $6 (27. Nc1 c5 28. Ne2 Rf7 $19) 27... Rff8 $2 (27... c5 $19 {is the quick  method}) 28. Rg4 (28. Nc1 $1 Bg3+ $17) 28... Kxh5 $2 (28... c5 29. Rxh4 c4 $19)  29. Rb3 $6 (29. Nc1 Rf7 30. Nb3 Raf8 $15) 29... b6 (29... Rf7 $1 $17) 30. a5 (  30. Nb4 $1 c5 $17 {is an improvement for White}) 30... b5 $6 (30... bxa5 31.  Rb7 Bg3+ $15) 31. Nb4 Rac8 32. Nd3 Bg3+ 33. Kg2 $6 (33. Ke2 $1 $11) 33... Rg8 (  33... Rc7 34. f4 Rcf7 35. Nc5 Rxf4 36. Rxf4 Bxf4 37. Nxe6 Rg8+ $11) 34. Nc1 $2  (34. Nc5 e5 $11) 34... Bf4 (34... Bd6 $1 $17) 35. Ne2 $2 (35. Nd3 Be3 $17)  35... Be3 36. Rd3 e5 (36... c5 $1 $19) 37. f4 $6 (37. b4 c5 38. bxc5 b4 39.  Rxg8 Rxg8+ $19 {puts up more (futile) resistance}) 37... Rxg4+ 38. hxg4+ Kxg4  39. fxe5 ({So does} 39. f5 c5 $19) 39... c5 (39... Rf8 {is the quick method})  40. a6 $2 (40. e6 Rf8 41. e7 h3+ 42. Kh1 Re8 {would prolong the game}) 40...  h3+ ({Again,} 40... Rf8 $19 {is the quick method}) 41. Kh2 $2 (41. Kh1 {  and after 27 plies, Stockfish rates the position as -13.45, which is (I  suppose) better than getting mated right away}) 41... Rf8 {Mate in 7,  according to Stockfish} 0-1  

  [Event "1976 Boylston Chess Club Championship"]  [Site "Boston, MA"]  [White "Joel Johnson"]  [Black "Harry Lyman"]  [Result "1-0"]  [ECO "C56"]  [WhiteElo "1911"]  [BlackElo "2150"]  [Annotator "GotW"]  [PlyCount "47"]  [EventDate "1976.??.??"]  [EventCountry "USA"]  [SourceTitle "www.chessjamaica.org"]  [SourceDate "2008.07.12"]  [SourceVersion "1"]  [SourceVersionDate "2009.01.01"]  [SourceQuality "1"]   1. e4 e5 2. Bc4 Nf6 3. d4 exd4 4. Nf3 Nc6 5. O-O Nxe4 6. Re1 d5 7. Bxd5 Qxd5 8.  Nc3 Qh5 9. Nxe4 Be6 10. Bg5 Bd6 11. Nxd6+ (11. h4 $5) 11... cxd6 12. Bf4 Qd5  13. c4 $6 (13. c3 Qf5 14. Bd2 O-O 15. Nxd4 Nxd4 16. cxd4 Rac8 17. Bc3 Rfe8 $11)  13... Qxc4 14. Bxd6 O-O-O $2 (14... Qd5 15. Be5 O-O 16. Bxd4 Rfd8 $15) 15. Bg3  (15. Rc1 $1 $18) 15... Bg4 $2 (15... d3 16. Rc1 $16 {Stelmaszyk-Sonis, chess.  com 2021}) 16. Rc1 (16. Qd2 $1 Bxf3 17. Qf4 Rd7 18. Rac1 $18 {is the quick  method}) 16... Qb4 17. a3 (17. h3 $1 Be6 (17... Bh5 18. Re5 g6 19. Qd3 $18) 18.  Ne5 $18 {is another quicker win}) 17... Qxb2 $6 (17... Qb6 18. h3 Be6 19. b4  $18 {would slow White down without changing the outcome}) 18. Qd3 Bxf3 $2 (  18... Qb6 19. Ne5 $18 {but Black is a dead man limping (or crawling) in any  case.}) 19. gxf3 $6 (19. Qf5+ Rd7 20. Qe5 $18 {is the quick and humane way})  19... Rd5 20. Qe4 (20. Rb1 {is even better}) 20... Rhd8 21. Qf4 ({So is} 21.  Qg4+) 21... Qb6 22. Rb1 $2 {Almost throwing away the win} (22. a4 $1 $18) 22...  g5 $4 (22... Qa5 $1 23. Qxf7 R5d7 24. Qf4 g5 25. Qf6 $16) 23. Qxf7 R5d7 24. Qe6  1-0  

  [Event "1989 Constitution State Open"]  [Site "Waterbury, CT"]  [White "Michael Rohde"]  [Black "Richard Bauer"]  [Result "1-0"]  [ECO "D45"]  [WhiteElo "2681"]  [BlackElo "2433"]  [Annotator "ATH"]  [PlyCount "45"]  [EventDate "1989.??.??"]  [EventType "swiss"]  [EventRounds "4"]  [EventCountry "USA"]  [SourceTitle "CH, Jan-Feb 1990"]  [SourceDate "2015.04.19"]  [SourceVersionDate "2015.04.19"]   1. c4 e6 2. Nf3 d5 3. d4 Nf6 4. Nc3 c6 5. e3 Nbd7 6. Be2 Bd6 7. O-O O-O 8. b3  dxc4 $6 (8... b6 $1 9. a4 Bb7 10. Ba3 c5 $11) 9. bxc4 e5 10. h3 Qe7 (10... exd4  11. exd4 c5 12. d5 $14) 11. Qc2 (11. a4 $1 $14) 11... e4 $6 (11... Re8 $1 $11)  12. Ng5 (12. c5 $5 $14) 12... b5 $2 (12... Re8 13. c5 Bxc5 14. Bc4 $1 Nd5 15.  Ngxe4 Bb6 16. Nxd5 Qxe4 17. Qxe4 Rxe4 18. Nxb6 axb6 (18... Nxb6 $6 19. Bd3 $16)  19. f3 $14) 13. Bd2 $6 (13. Ncxe4 h6 14. Nxd6 Qxd6 15. Nf3 $18) 13... Re8 14.  f3 exf3 (14... b4 $5) 15. Bxf3 Ba6 $2 (15... b4 16. Nce4 h6 17. Nxf7 $1 Nxe4 (  17... Kxf7 $2 18. Nxf6 Nxf6 19. Bxc6 $18) 18. Qxe4 Qxe4 19. Bxe4 Bh2+ 20. Kxh2  Rxe4 21. Bxb4 $16) 16. Bxc6 Rac8 (16... Nf8 17. e4 h6 18. Nd5 Nxd5 19. exd5  hxg5 20. Rae1 $18) 17. Bxd7 Qxd7 $2 (17... g6 18. Bxe8 $18 {is an irrelevant  improvement for Black}) 18. Rxf6 $1 gxf6 $2 (18... g6 19. Raf1 $18 {would  prolong the game for no good reason}) 19. Qxh7+ Kf8 20. Qh8+ (20. Nd5 {is the  quick method with mate in five}) 20... Ke7 21. Nd5+ Kd8 22. Qxf6+ $2 Be7 (22...  Qe7 {would stave off mate for an additional ten moves}) 23. Nxf7# 1-0  

  [Event "1992 Nor'Easter Open"]  [Site "Watertown, MA"]  [White "Maxim Dlugy"]  [Black "Boris Belopolsky"]  [Result "1-0"]  [ECO "C06"]  [WhiteElo "2685"]  [BlackElo "2297"]  [Annotator "ATH"]  [PlyCount "63"]  [EventDate "1992.04.??"]  [EventType "swiss"]  [EventRounds "4"]  [EventCountry "USA"]  [SourceTitle "CH May-June 1992"]  [SourceDate "2009.07.13"]  [SourceVersionDate "2009.07.13"]   1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. Bd3 c5 6. c3 b6 7. Ne2 Ba6 8. Bxa6  Nxa6 9. O-O (9. Nf4 $1 Be7 10. Qg4 $14) 9... cxd4 $6 (9... Be7 10. Nf4 $14) 10.  Nxd4 $1 Nac5 $6 (10... Nxe5 $2 11. Qa4+) (10... Rc8 11. Qe2 Nab8 12. f4 $14)  11. f4 (11. b4 $5) 11... g6 (11... b5 $5 12. Nxb5 Nd3 13. Nd4 Bc5 14. N2b3 $16)  12. c4 (12. b4 $1 Nd3 13. Qe2 Nxc1 14. Raxc1 $16) 12... Nb8 $1 (12... Nd3 $6  13. cxd5 exd5 14. N2b3 $18) 13. Qf3 a6 $2 (13... Nba6 14. Rd1 $16) 14. cxd5 $2  (14. b4 dxc4 15. Nc2 Qd5 16. bxc5 $18) 14... Qxd5 15. Qxd5 exd5 16. N2f3 Ra7 $2  (16... Ne6 17. Kf2 a5 18. Be3 $14) 17. Be3 Be7 (17... Bh6 $5) 18. Rac1 (18. f5  $1 $16) 18... O-O 19. Rfd1 Rd8 (19... a5 $5) 20. a3 (20. e6 $1 Bd6 21. exf7+  Rxf7 22. Ne5 $16) 20... Rb7 21. h3 (21. b4 $1 Ne6 22. Nxe6 fxe6 23. Nd4 $16)  21... Kf8 $2 (21... Bf8 22. Rc2 a5 23. g4 $16) 22. g4 $6 (22. b4 Ne6 23. f5 $1  $18) 22... Ke8 $2 (22... Kg8 23. b4 $16) 23. f5 Ne4 (23... a5 24. Kg2 $18 {  is marginally better}) 24. e6 (24. b4 $1 $18 {is even stronger}) 24... gxf5 (  24... Bf6 {puts up the stiffest (though insufficient) defense}) 25. gxf5 (25.  Ne5 $1 {would end the game quicker}) 25... Bf6 (25... Nd6 {is another marginal  and irrelevant improvement}) 26. Rc2 ({So is} 26. Bf4) 26... Nd6 $6 {Hastening  the inevitable} (26... a5) 27. b3 $2 (27. Bf4 {would also hasten the inevitable  }) 27... fxe6 28. fxe6 Rg7+ $6 (28... Ke7 {would delay the inevitable}) 29. Kh2  a5 (29... Rg8 {is yet another irrelevant improvement}) 30. a4 (30. Bf4 $1 {  would end the game quicker}) 30... Ne4 $2 (30... Na6 {puts up more resistance  but why?}) 31. Nf5 Rb7 $2 ({If Black wanted to suffer longer, he could play}  31... Nc5) 32. Rg1 1-0  

  [Site "Marshall Chess Club Championship"]  [Date "1969"]  [White "Andrew Soltis"]  [Black "Asa Hoffmann"]  [Result "1-0"]  [ECO "B06"]  [Annotator "ATH"]  [PlyCount "41"]  [EventDate "1969.??.??"]  [EventType "swiss"]  [EventRounds "7"]  [EventCountry "USA"]  [SourceTitle "StarBase 2.88"]  [Source "Pickard & Son"]  [SourceDate "2003.01.15"]  [SourceVersion "1"]  [SourceVersionDate "2003.01.15"]  [SourceQuality "2"]   1. e4 d6 2. d4 g6 3. Nc3 Bg7 4. Bg5 c5 (4... Nf6 {, transposing into normal  Pirc lines, is better}) 5. dxc5 Qa5 (5... Bxc3+ $1 6. bxc3 Qa5 7. Ne2 Nc6 $11 {  Morales-Moujan, ICCF email 2019}) 6. Qd2 Qxc5 (6... Bxc3 $1 7. Qxc3 Qxc3+ 8.  bxc3 dxc5 9. a4 $14 {Motylev-Inarkiev, Tomsk 2004}) 7. Nd5 Be6 ({The threat is  } 7... Z0 8. Be3 Qc6 9. Bb5) 8. Be3 (8. c4 $5) 8... Qc8 9. Bd4 (9. c4 $1 $14 {  Teuton-Herbert, Montreal 1989}) 9... Bxd4 $2 (9... Nf6 10. Bxf6 exf6 11. O-O-O  $14) 10. Qxd4 f6 11. O-O-O ({Three years later Soltis chose} 11. Qd2 {That  game also resulted in a quick win for White (but 11. O-O-O is better):} Nc6 (  11... Bxd5 12. exd5 $16) 12. Nf3 (12. O-O-O $16) 12... h5 (12... Bf7 $5) 13.  O-O-O (13. Be2 $16) 13... Kf7 $6 (13... Bf7 14. Nh4 $16) 14. Bc4 (14. Nh4 $1  $16) 14... Nh6 (14... Na5 $1 15. Be2 $16) 15. Bb3 (15. Nh4 $1) 15... Qd8 $6 (  15... Kg7 16. Nh4 $16) 16. Nh4 g5 17. Nf5 (17. Nf3 {is somewhat stronger})  17... Bxd5 $2 (17... Nxf5 18. exf5 Bxf5 19. Nb6+ Kg7 20. Nxa8 $16) 18. Qxd5+  Kg6 19. h4 (19. g4 $1) 19... Qd7 $2 (19... g4 20. f3 $18 {would prolong the  game without changing the result}) 20. Nxh6 ({Again,} 20. g4 $1 $18 {is a  bone-crusher}) 20... Kxh6 ({Throwing in} 20... e6 {would also prolong the game,  also needlessly.}) 21. hxg5+ fxg5 22. Rxh5+ $1 {1-0, Soltis-Botterill, Graz  1972}) 11... Nc6 (11... Nd7 12. Ne2 $16 {is a small improvement for Black}) 12.  Qd2 (12. Qc3 $5 $16) 12... h5 (12... Qd8 13. Kb1 $16) 13. Ne2 (13. f4 $5 $16)  13... Nh6 $6 (13... Qd7 14. f4 $16) 14. h3 (14. Nec3 $1 $16) 14... Kf8 $6 (  14... h4 15. Nec3 $16) 15. g4 g5 (15... hxg4 16. Nef4 $18 {is a slower way for  Black to lose}) 16. f4 (16. gxh5 {is a quicker way for White to win}) 16... Nf7  17. fxg5 Nxg5 (17... fxg5 18. gxh5 $18 {puts up slightly more resistance}) 18.  Nef4 ({Again,} 18. gxh5 {is the quick method}) 18... Ne5 ({Bkack is so far  gone that Stockfish prefers dumping the exchange with} 18... hxg4 19. Ng6+) 19.  gxh5 Bf7 (19... Kf7 {is a meaningless improvement}) 20. h4 (20. Nxe7 $1) 20...  Nh7 $2 {The final blunder} (20... Nxe4 21. Qg2 $1) 21. Rg1 1-0  

  [Event "New York Open 1983"]  [White "Igor Ivanov"]  [Black "Walter Shipman"]  [Result "1-0"]  [ECO "D46"]  [Annotator "ATH"]  [PlyCount "45"]  [EventDate "1983.??.??"]  [SourceTitle "StarBase 2.88"]  [Source "Pickard & Son"]  [SourceDate "2003.01.15"]  [SourceVersion "1"]  [SourceVersionDate "2003.01.15"]  [SourceQuality "2"]   1. c4 e6 2. d4 d5 3. Nf3 Nf6 4. Nc3 c6 5. e3 Nbd7 6. Bd3 Bd6 7. O-O (7. e4 $5  dxe4 8. Nxe4 Nxe4 9. Bxe4 Nf6 10. Bc2 b6 11. O-O Bb7 12. Qe2 O-O 13. Rd1 h6 $11  ) 7... O-O 8. b3 (8. e4 dxc4 9. Bxc4 e5 10. Be3 b5 11. Bb3 Bb7 12. a3 a6 13.  dxe5 Nxe5 14. Bf4 Nxf3+ 15. Qxf3 Qc7 $11 {Bergmann-Simmelink, LSS email 2014})  8... e5 (8... b6 9. Bb2 Bb7 10. Re1 Re8 $11) 9. cxd5 cxd5 (9... Bb4 $5 10. Ne4  cxd5 11. Nxf6+ Qxf6 12. dxe5 Nxe5 13. Nxe5 Qxe5 $11 {Persidsky-Bertot, San  Francisco 2009}) 10. Nb5 (10. dxe5 Nxe5 11. Nd4 Nxd3 12. Qxd3 $11) 10... Bb8  11. dxe5 Nxe5 12. Bb2 (12. Nbd4 Nxd3 13. Qxd3 Ne4 $11) 12... Nxf3+ 13. gxf3 (  13. Qxf3 $4 Bg4 $19) 13... Bh3 14. Re1 $2 (14. f4 $5 $11) (14. Kh1 Bxf1 15.  Qxf1 a6 $11 {Clausen-Sorensen, Denmark 1988}) 14... Ne4 15. f4 ({Of course not  } 15. fxe4 $4 Qg5+) 15... Qh4 16. Qf3 Nd2 17. Qd1 $2 (17. Qg3 Qxg3+ 18. hxg3  Nf3+ $17) 17... Bg4 $4 (17... Re8 18. f3 Qxe1+ $1 19. Qxe1 Nxf3+ $19) 18. Qxd2  Bf3 (18... a6 19. Qc3 f6 20. Nd4 $18 {puts up more resistance}) 19. Bf5 {  Did Black overlook this move when he played 17. ... Bg4?} g6 $2 {Because Black  clearly wants to be put out of his misery} 20. Qc3 f6 21. Be6+ Kg7 22. Nd4 Be4  23. f3 1-0  

  [Event "US Junior Championship 1988"]  [Site "Amherst, MA"]  [White "Patrick Wolff"]  [Black "Alex Sherzer"]  [Result "0-1"]  [ECO "C07"]  [Annotator "ATH"]  [PlyCount "90"]  [EventDate "1988.??.??"]  [EventType "tourn"]  [EventRounds "9"]  [EventCountry "USA"]  [SourceTitle "Chess Horizons?"]  [Source "ChessBase"]  [SourceDate "1998.11.10"]  [SourceVersion "1"]  [SourceVersionDate "1998.11.10"]  [SourceQuality "1"]   1. e4 e6 2. d4 d5 3. Nd2 c5 4. Ngf3 Nc6 5. Bb5 $6 (5. exd5 {transposes to the  main line}) 5... a6 6. exd5 $6 (6. Bxc6+ bxc6 7. dxc5 Bxc5 8. O-O (8. c4 $5)  8... Nf6 $1 (8... Ne7 9. Nb3 Bb6 $11 {Kellmann-Meyer, Fuerth 2016}) 9. e5 Nd7  $11) 6... axb5 7. dxc6 bxc6 8. dxc5 (8. c3 $5 Nf6 9. O-O cxd4 10. cxd4 c5 $15)  8... Bxc5 9. O-O Nf6 10. Nb3 Bd6 11. Be3 $6 (11. Bg5 O-O 12. Bxf6 gxf6 13. Nfd4  f5 $15) 11... O-O (11... Nd5 $1) 12. Bc5 Nd5 13. Re1 Re8 (13... Bxc5 $1 14.  Nxc5 Qe7 $15 {Perez Marco-Calonge Gonzalez, ICCF email 2009}) 14. Bxd6 Qxd6 15.  Qd3 e5 16. c4 bxc4 17. Qxc4 Ba6 (17... h5 $1 18. a4 Bg4 19. Nbd2 f6 20. Ne4 Qc7  $11) 18. Qc5 Qf6 19. Rac1 $2 (19. Nbd2 h6 20. a4 Bd3 21. Ne4 Qf4 $11) 19... Nf4  20. Nxe5 $2 (20. Qe3 Nd3 $19 {puts up more resistance}) 20... Ne2+ (20... Be2  $1 21. Nd7 Nh3+ 22. Kh1 Qxf2 23. Qxf2 Nxf2+ 24. Kg1 Nd3 $19 {is even stronger})  21. Rxe2 Bxe2 22. Nxc6 Qxb2 23. Nb4 (23. Ne7+ Kh8 24. Nf5 {is a minimal  improvement}) 23... h6 (23... Ba6 $1) 24. h3 Qe5 (24... Rad8 $1) 25. Qc6 (25.  Nd4 Qf4 $19 {is another small (and meaningless) improvement}) 25... Bb5 26. Qb7  (26. Qc2 $5) 26... Ba4 (26... Ra4 $1) 27. Nd3 (27. Qc7 $5) 27... Qb8 (27... Qd6  $1) 28. Ndc5 (28. Qxb8 Rexb8 $19 {is an insuffiicient improvement}) 28... Qxb7  29. Nxb7 Bxb3 (29... Re2 $1 $19) 30. axb3 Rec8 (30... Ra2 $1 $19) 31. Re1 (31.  Nc5 {is yet another insufficient improvement}) 31... Rab8 (31... Ra6 $1 $19)  32. Nd6 (32. Na5 $5) 32... Rd8 33. Nc4 Rxb3 34. Re7 $6 (34. Ra1) 34... Rf8 $6 (  34... Rb4 $1 35. Ne5 Rd1+ 36. Kh2 f6 $19) 35. Ne3 (35. g3 Rd8 $19) 35... g6 (  35... Rb1+ 36. Kh2 Rb2 $19) 36. Nc4 (36. g4 {is irrelevantly better}) 36...  Rbb8 (36... Rb4) 37. g3 Rbc8 38. Nd6 Rcd8 39. Ne4 Kg7 40. Nc5 (40. Rb7 $5)  40... Rd1+ 41. Kg2 Rc8 42. Ne4 $2 (42. Rd7 Rxd7 43. Nxd7 Rd8 $19 {would  prolong the game}) 42... Rc2 $6 (42... Re1 $1 $19 {is the quick method}) 43.  Rb7 Rc4 (43... Rd4 $5) 44. Kf3 Rdd4 45. Re7 Kf8 0-1  

  [Event "Cambridge 1981"]  [White "Michael Basman"]  [Black "James Plaskett"]  [Result "1-0"]  [ECO "A00"]  [Annotator "ATH"]  [PlyCount "39"]  [EventDate "1981.??.??"]  [SourceTitle "StarBase 4.56"]  [SourceDate "2004.11.04"]  [SourceVersion "1"]  [SourceVersionDate "2004.11.04"]  [SourceQuality "2"]   1. g4 e5 2. Bg2 Ne7 (2... Nc6 3. Nc3 Nge7 4. e4 Ng6 $15) 3. d4 exd4 (3... d5 $5  $15) 4. Qxd4 Nbc6 (4... d5 $5) 5. Qa4 Ng6 (5... Rb8 6. Nc3 b5 $11 7. Nxb5 $2 a6  8. Nd4 Rb4 9. Nxc6 Nxc6 10. Qa3 Rxg4 $17) 6. h4 Bc5 (6... Bb4+ 7. Kf1 Nge7 $11)  7. Nc3 Nxh4 $6 (7... Nge5 $11) 8. Bd5 (8. Be4 $1 $14) 8... Qe7 (8... Ne5 9. Bf4  Nhg6 $11) 9. g5 $6 (9. Bf4 Ng6 10. Bxc7 O-O (10... d6 $2 11. Bxc6+ $18) 11.  O-O-O d6 12. Bxc6 Qxc7 13. Be4 Bxf2 14. Nd5 Qd8 $11) 9... Nf5 (9... Ng6 $1 10.  Nf3 Nb4 11. a3 b5 $6 (11... Na6 $11) 12. Qb3 Nc6 $6 (12... Nxd5 13. Nxd5 $14)  13. Bd2 $16 {Note that 13. g6 is not possible as in the game}) 10. Nf3 (10. Bg2  $5) 10... Nb4 $2 (10... Ncd4 $11) 11. a3 b5 $2 (11... Nxd5 12. Nxd5 Qd6 13. c4  $16) 12. Qb3 Nc6 (12... Bxf2+ 13. Kxf2 Qc5+ 14. Ke1 Nxd5 15. Qxd5 $18 {might  (or might not) prolong the game but it gets the queens off}) 13. g6 $1 fxg6 ({  Stockfirsh may prefer} 13... Ncd4 14. Bxf7+ Kf8 15. Qd5 c6 16. Rxh7 $1 Rxh7 17.  gxh7 cxd5 18. h8=Q+ $18 {but it's just as hopeless}) 14. Bg5 Nfd4 (14... Ncd4 {  is a marginal improvement that won't change the outcome}) 15. Nxd4 Qxg5 $6 (  15... Nxd4 16. Bxe7 Nxb3 17. Bxc5 Nxc5 18. Bxa8 c6 19. b4 Ne6 20. a4 $18 {  is a "better" way to lose, according to Stockfish}) 16. Nxc6 Bxf2+ $2 (16...  Bb7 {but it hardly matters at this point}) 17. Kxf2 Rf8+ $2 (17... Bb7 {  Again, it doesn't matter}) 18. Bf3 $2 {Suddenly, instead of being nine points  up, White is only up three (which more than suffices)} (18. Ke1 {and Black can  resign as he nothing but a single spite check and is down two pieces}) 18...  Qc5+ $2 (18... dxc6 19. Rxh7 $18) 19. Kf1 (19. Ke1 {is much better, according  to Stockfish, but the move played is quite sufficient}) 19... dxc6 20. Qb4 ({  Stockfish prefers} 20. Rxh7 {but since Black resigned, the move played must be  good}) 1-0  

  [Event "Hoenne Open"]  [Site "Menden 2001"]  [White "Vladimir Epishin"]  [Black "Romuald Mainka"]  [Result "1-0"]  [ECO "E11"]  [WhiteElo "2578"]  [BlackElo "2316"]  [Annotator "ATH"]  [PlyCount "55"]  [EventDate "2001.??.??"]  [EventType "swiss"]  [EventRounds "9"]  [EventCountry "GER"]  [SourceTitle "Rochade Europa, June 200"]  [SourceDate "2018.01.27"]  [SourceVersionDate "2018.01.27"]   1. d4 e6 2. c4 Bb4+ 3. Bd2 Bxd2+ 4. Qxd2 Nf6 5. Nc3 d6 (5... O-O $1 $11) 6. Nf3  (6. Rd1 $1 $14) 6... Qe7 (6... O-O $1 $11) 7. g3 e5 (7... O-O) 8. Bg2 h6 (8...  O-O 9. Rc1 $14) 9. O-O (9. dxe5 $1 dxe5 10. O-O $14) 9... e4 $6 (9... O-O) 10.  Ne1 O-O 11. Nc2 (11. f3 $1 e3 12. Qd3 $16) 11... c6 12. Ne3 (12. d5 $1 $16)  12... Na6 13. a3 (13. f3 $1 exf3 14. Rxf3 $16) 13... Nc7 14. d5 c5 $6 (14... a5  15. dxc6 bxc6 16. Qd4 $14) 15. f3 (15. b4 $1 $16) 15... exf3 16. exf3 Bd7 $6 (  16... Qd8 17. Rfb1 Re8 18. Bf1 b6 19. b4 $14) 17. Rfe1 (17. b4 $1 $16) 17...  Qd8 18. Bf1 Re8 (18... a6 19. b4 $14 {is a small improvement for Black}) 19.  Bd3 (19. b4 $14) 19... Rb8 20. a4 (20. b4 $5) 20... Na6 $2 (20... Re7) 21. Nb5  Nb4 $2 (21... Bxb5 22. axb5 Nb4 23. Rxa7 $16) 22. Nxd6 Rf8 23. Nef5 Nxd3 (23...  Bxf5 24. Nxf5 $18 {is a very slight improvement for Black}) 24. Qxd3 g6 $2 (  24... a6 25. b3 $18) 25. Ne7+ Kg7 26. Nxf7 $1 Rxf7 $2 (26... Qxe7 27. Rxe7 Rxf7  28. Rxf7+ Kxf7 29. Qe3 $18 {would needlessly prolong Black's wretched existence  }) 27. Qxg6+ Kf8 28. Qxh6+ 1-0