[Event "United States 1979"]  [White "Jack Peters"]  [Black "Mark Diesen"]  [Result "0-1"]  [Annotator "GotW"]  [ECO "C63"]  [WhiteFideId "-1"]  [BlackFideId "-1"]  [PlyCount "60"]  [GameId "2282571091189798"]  [EventDate "1979.??.??"]  [SourceTitle "StarBase 2.88"]  [Source "Pickard & Son"]  [SourceDate "2003.01.15"]  [SourceVersion "1"]  [SourceVersionDate "2003.01.15"]  [SourceQuality "2"]   1. e4 e5 2. Nf3 Nc6 3. Bb5 f5 4. Nc3 Nd4 $6 (4... fxe4 5. Nxe4 Nf6 6. Qe2 $14) 5. exf5 (5. Nxe5 $1 c6 6. Bd3 Qf6 7. f4 $16) 5... c6 6. Be2 $6 (6. Ba4 $1 $16) 6... Qf6 $2 (6... d5 $1 7. Nxe5 Bxf5 8. d3 Bd6 9. Nf3 Ne6 $11) 7. O-O $2 (7. Nxd4 $1 exd4 8. Ne4 Qxf5 9. Ng3 Qf7 10. O-O d5 11. Re1 Be7 12. b3 $16 {Zamiratti-Schuster, ICCF email 2001}) 7... d5 8. Re1 $6 (8. Nxd4 exd4 9. Nb1 Bxf5 10. d3 Bd6 $15) 8... Nxf3+ (8... Bd6 $1 $17) 9. Bxf3 Bxf5 10. d3 (10. Bxd5 $1 cxd5 11. Nxd5 Qd6 12. c4 O-O-O $15) 10... Bd6 11. b4 $2 (11. Ne2 Ne7 12. Be3 O-O $15) 11... Bxb4 (11... Ne7 $1 12. Bh5+ Bg6 13. Bxg6+ Nxg6 $19) 12. Bd2 Bd6 13. Rb1 $6 (13. Ne2 Ne7 14. c4 O-O $17) 13... b6 (13... Ne7 14. Ne2 (14. Rxb7 O-O $19) 14... O-O 15. Ng3 b5 $19) 14. d4 $2 (14. Bh5+ Bg6 15. Bxg6+ hxg6 $19) 14... e4 15. Bxe4 ({Best, according to Stockfish is} 15. Be3 Ne7 16. Bh5+ g6 17. Be2 O-O $19) 15... dxe4 (15... Bxe4 16. Rxe4+ (16. f3 Qxd4+ 17. Kh1 Nf6 18. fxe4 O-O $19) 16... dxe4 17. Nxe4 Bxh2+ $1 $19) 16. Nxe4 Bxe4 17. Rxe4+ Ne7 18. Qe2 (18. Qe1 Kd7 $19 19. Re5 Bxe5 20. dxe5 Qe6 21. Bg5 Rad8 22. h3 h6 23. Bxe7 Kxe7 {is an insufficient improvement for White}) 18... O-O 19. Re6 Qxd4 20. Bg5 Nf5 (20... Ng6 $1 $19 {is a slight improvement}) 21. g4 Bc5 $1 22. gxf5 Qxf2+ (22... Rxf5 {is the quick method, e.g.,} 23. Re8+ Rxe8 24. Qxe8+ Rf8 $19) 23. Qxf2 Bxf2+ 24. Kxf2 Rxf5+ 25. Ke3 Rxg5 26. Rxc6 Re8+ (26... Rh5 $1 $19 {is even stronger}) 27. Kd4 (27. Kd3 {puts up more (futile) resistance}) 27... Rh5 (27... Rg4+ 28. Kd3 Rf8 $19 {is the quick method here}) 28. Rc7 Rxh2 ({Stockfish prefers} 28... Rh4+ 29. Kd3 Rh3+ 30. Kc4 Rxh2 $19 {but it doesn't matter. White is toast.}) 29. Rxa7 (29. Kc3 {is better, if anyone cares}) 29... Rxc2 30. Rxb6 Rd2+ 0-1  

  [Event "Marshall Chess Club Championship"]  [Site "New York, NY"]  [Date "1989"]  [Round "?"]  [White "Michael Rohde"]  [Black "Walter Shipman"]  [Result "1-0"]  [Annotator "ATH"]  [ECO "D61"]  [WhiteFideId "-1"]  [BlackFideId "-1"]  [PlyCount "71"]  [GameId "2282571091383306"]  [EventDate "1989.??.??"]  [EventCountry "USA"]  [SourceTitle "CL, Dec 1999"]  [SourceDate "2017.10.08"]  [SourceVersionDate "2017.10.08"]   1. c4 e6 2. Nf3 d5 3. d4 Nf6 4. Nc3 c6 5. Bg5 Nbd7 6. e3 Be7 7. Qc2 O-O 8. Rd1 Re8 9. h3 dxc4 $6 (9... Qa5 10. cxd5 exd5 11. Bd3 Ne4 $1 $11) 10. Bxc4 Nd5 11. Bxe7 Qxe7 12. O-O (12. Ne4 $5 $14) 12... Nxc3 13. Qxc3 b6 14. e4 Bb7 15. Rfe1 Qf6 (15... Rac8 $1 16. Nd2 $14) 16. e5 (16. Nd2 $1 $14) 16... Qe7 17. Qe3 (17. Nd2 $1 $14) 17... Red8 $2 (17... c5 $1 18. dxc5 bxc5 $11) 18. Ng5 h6 $2 (18... Nf8 19. Ne4 Ng6 20. Nd6 $16) 19. Ne4 c5 $6 (19... Nf8 20. Qg3 $18 {puts up stiffer resistance}) 20. Nd6 Bc6 $6 ({as does} 20... Rab8 21. f4 $18) 21. Qf4 $2 (21. f4 b5 22. d5 $1 $18 {is the quick method}) 21... cxd4 $6 (21... Nf8 22. Bd3 Rab8 23. Re3 $18 {would makes White's task more difficult}) 22. Rxd4 Nc5 ({as would} 22... b5 23. Bd3 f6 24. exf6 Qxf6 25. Qxf6 Nxf6 26. Rxe6 $18) 23. Re3 Nb7 $6 ({as also would} 23... a5 24. a3 $18) 24. Rg3 Kf8 25. Qg4 ({Here} 25. Rg6 $18 {is the quick method}) 25... Qg5 (25... g5 26. Qh5 $18 {is an insufficient improvement for Black}) 26. Qe2 (26. Nxf7 $1 $18 {is not only quicker but prettier}) 26... Qe7 (26... Rxd6 27. Rxd6 Qc1+ 28. Rd1 Qf4 29. Rg4 $18 {would prolong the game}) 27. Rdg4 (27. Qc2 $18 {also shortens the game}) 27... g5 ({while} 27... Nxd6 28. Rxg7 Ke8 29. Qd2 $18 {prolongs it without changing the result}) 28. Rxg5 $1 hxg5 (28... Qxg5 29. Rxg5 Nxd6 30. Rh5 Nxc4 31. Qxc4 $18 {is a irrelevant improvement}) 29. Qh5 Qc7 ({When the computer says giving up the queen with} 29... Qxd6 {it might be time to consider resigning}) 30. Qh6+ Ke7 31. Qxg5+ Kd7 32. Bxe6+ $1 Kxe6 33. Qf5+ Kd5 34. Rd3+ Kc5 35. e6+ Kb4 36. Rd4# 1-0  

  [Event "Labour Day op"]  [Site "Toronto 1983"]  [White "Lawrence Day"]  [Black "Kevin Spraggett"]  [Result "1-0"]  [Annotator "ATH"]  [ECO "B21"]  [WhiteFideId "-1"]  [BlackFideId "-1"]  [PlyCount "91"]  [GameId "2110486856128507"]  [EventDate "1983.09.03"]  [EventType "swiss"]  [EventRounds "6"]  [EventCountry "CAN"]  [SourceTitle "Canbase"]  [SourceDate "2015.08.19"]  [SourceVersion "1"]  [SourceVersionDate "2015.08.19"]  [SourceQuality "1"]   1. e4 c5 2. f4 d5 3. exd5 Qxd5 (3... Nf6 $1 4. Nc3 Nxd5 5. Nf3 Nc6 6. Bb5 e6 7. Bxc6+ bxc6 $11 {Roynet-Razumikhin, ICCF email 2017}) 4. Nc3 Qd8 5. Nf3 Nf6 (5... Nc6 $1 6. Bb5 Bd7 7. d3 e6 $11) 6. Ne5 (6. d4 $1 e6 (6... cxd4 7. Qxd4 Bd7 8. Qf2 $14) 7. Be3 cxd4 8. Qxd4 Qxd4 9. Nxd4 Bb4 10. Ndb5 $14 {Jaekel-Folk Gilsanz, ICCF email 2015}) 6... a6 (6... g6 $1 7. Bc4 e6 $11) 7. Qf3 (7. g3 $5) 7... e6 (7... Qc7 $1 $11 {Rahimli-Ozsakallioglu, Istanbul 2019}) 8. b3 (8. Bd3 Nfd7 $11 {is a small improvement for White}) 8... Be7 (8... Nbd7 $1 9. Bb2 Qc7 $11) 9. Bb2 O-O (9... Nfd7 $5) 10. O-O-O Nbd7 (10... Nfd7 $5) 11. Bd3 Nxe5 $6 (11... Qc7 12. Rhe1 (12. a4 $5) 12... b5 (12... g6 $5) 13. Nxd7 Bxd7 14. Ne4 $14) 12. fxe5 Nd5 (12... Nd7 13. Qe4 f5 14. exf6 Nxf6 15. Qe2 $18) 13. Qe4 $6 (13. Ne4 $1 g6 14. Nf6+ Bxf6 15. exf6 $18) 13... g6 14. h4 Nb4 15. Be2 Qd4 $6 (15... Bd7 16. h5 g5 17. h6 $16) 16. Qf3 Qxe5 $2 (16... f5 17. exf6 Rxf6 18. Qh3 e5 19. Qh2 Be6 20. h5 $18 {puts up more resistance}) 17. Ne4 Qf5 18. Qe3 e5 $6 (18... f6 19. g4 $18 {is a fruitless improvement}) 19. Rdf1 Nd5 20. Rxf5 Nxe3 21. Rxe5 Nf5 22. Rxe7 $2 (22. g4 f6 23. Bc4+ Kg7 24. g5 $1 b5 25. Rxe7+ Nxe7 26. gxf6+ $18 {And it's over. Instead, Black gets a new lease on life and resistance is no longer quite so futile.}) 22... Nxe7 23. Nf6+ (23. h5 $1 $18 {with Nf6+ to follow is even stronger}) 23... Kg7 24. Nd5+ f6 25. Nxe7 Re8 26. Rf1 Rxe7 27. Bxf6+ Kf8 28. Bxe7+ Kxe7 29. Bc4 Bf5 30. g4 Bxg4 31. Rf7+ Kd6 32. Rxb7 h5 (32... Rh8 33. a4 $18 {is a trivial and irrelevant improvement for Black}) 33. Rb6+ Ke5 ({and so is} 33... Kd7) 34. Rxg6 Kf4 ({Likewise} 34... a5) 35. Rxa6 Rh8 ({And} 35... Rd8) 36. a4 Kg3 37. a5 Kxh4 ({For some reason, Stockfish thinks} 37... Kh3 38. Rf6 Ra8 39. a6 Kxh4 40. Rg6 $18 {is an improvement for Black. I don't quite know why and I don't care. Black can resign. I suspect that time pressure (on one side or both) is the only reason he's still playing.}) 38. Rg6 Bf3 (38... Rd8 {is another meaningless improvement. No point in handing out question marks when they're so irrelevant.}) 39. a6 Kh3 ({If anyone cares, Stockfish prefers} 39... Be4) 40. Rg5 (40. d4 $1 cxd4 41. b4 $18 {is the quick method}) 40... h4 41. Be6+ ({Again} 41. d4 $1) 41... Kh2 42. Rxc5 (42. Bg8 Rh6 43. a7 h3 44. c4 Ra6 45. Rg7 {etc. is even stronger for White (so says Stockfish)}) 42... h3 (42... Ra8 {is better but who cares?}) 43. b4 (43. Rc3 $1 Kg2 44. Bxh3+ Rxh3 45. b4 {Black's not the only one with irrelevant improvements}) 43... Rh6 44. Bxh3 (44. Bc8 {same as before}) 44... Kxh3 (44... Rxa6 {would needlessly prolong the game}) 45. b5 Kg4 46. Rc8 1-0  

  [Event "New York 1949"]  [White "John Curdo"]  [Black "Arnold Denker"]  [Result "0-1"]  [Annotator "ATH"]  [ECO "B91"]  [WhiteFideId "-1"]  [BlackFideId "-1"]  [PlyCount "82"]  [GameId "2282571090944524"]  [EventDate "1949.??.??"]  [SourceTitle "StarBase 2.88"]  [Source "Pickard & Son"]  [SourceDate "2003.01.15"]  [SourceVersion "1"]  [SourceVersionDate "2003.01.15"]  [SourceQuality "2"]   1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. g3 b5 $6 (6... e5 {is of course the main line and, according to Stockfish, best}) 7. Bg2 Bb7 (7... Bg4 $5) 8. O-O e6 (8... Nbd7 $142 9. Re1 e5 10. Nf5 Qc7 11. Ne3 $16) 9. f4 $2 {Throws away White's advantage} (9. Re1 Qd7 10. Bh3 $16) 9... b4 (9... Nc6 $1 $11) 10. e5 (10. Na4 {is a small improvement, e.g.,} Nbd7 11. a3 Bxe4 (11... bxa3 12. Rxa3 Rc8 $11) 12. Bxe4 Nxe4 13. axb4 Qc8 14. Be3 d5 $11) 10... Bxg2 11. Kxg2 dxe5 12. fxe5 bxc3 13. exf6 Qd5+ 14. Qf3 Qxf3+ 15. Rxf3 cxb2 (15... Nd7 16. Rxc3 Nxf6 $11) 16. Bxb2 gxf6 17. Rxf6 (17. Nxe6 $5 fxe6 18. Rxf6 Rg8 19. Rxe6+ Kd7 $44) 17... Bg7 18. Rf3 $6 (18. Rf4 h5 $11 (18... e5 $2 19. Rg4 $18)) 18... Nd7 (18... O-O {is marginally better}) 19. Rd1 ({as is} 19. Rb1) 19... Rc8 (19... Ne5 $1 20. Rb3 O-O 21. Nf3 Nxf3 22. Kxf3 Rac8 $11) 20. Rc3 $2 (20. Ra3 O-O 21. Rxa6 Ne5 $11) 20... Rxc3 $6 (20... O-O $1 $15) 21. Bxc3 O-O $2 (21... h5 $11) 22. Rb1 $2 (22. Nxe6 fxe6 23. Bxg7 Kxg7 24. Rxd7+ $14) 22... Rc8 23. Rb3 Bxd4 24. Bxd4 Rxc2+ 25. Kh3 $6 (25. Kg1 Kf8 26. Ra3 Rc4 $17) 25... Kf8 (25... Rd2 $1 $17) 26. Ra3 Rc6 (26... Rc4 $5) 27. Ra5 $6 (27. g4 e5 $15) 27... f6 28. Kg2 e5 29. Be3 (29. Ba7 $5 f5 $19) 29... Ke7 $6 (29... f5 $1 $19) 30. g4 Ke6 31. Kf3 (31. Bf2 $5 Kf7 $15) 31... Nf8 32. h4 $6 (32. Ra4 Nd7 $11) 32... Ng6 33. h5 (33. Bf2 Rc3+ 34. Ke4 Rc6 $15) 33... Nh8 34. Ke4 $2 (34. Bc5 Kf7 $15) 34... Nf7 35. Kf3 (35. Bc5 {puts up more resistance, e.g.,} Ng5+ 36. Ke3 f5 37. gxf5+ Kxf5 $19) 35... Nd6 36. Ra4 ({So does} 36. Bf2 {e.g.,} Nc4 37. Ra4 f5 38. gxf5+ Kxf5 $19) 36... Kd5 ({The immediate} 36... f5 $19 {is quicker}) 37. Ra5+ (37. Ra3 Ke6 $19 {is an inadequate improvement}) 37... Ke6 38. Ra4 (38. Ra3 f5 $19 {is an infintesimal improvement (0.01 of a pawn at 37 ply according to Stockfish)}) 38... f5 39. gxf5+ Kxf5 40. Ra5 $2 (40. Bd2 Ne8 41. Ra5 Nf6 42. h6 Ne4 $19 {would prolong the game but to what end?}) 40... Rc3 41. Rc5 (41. Rxa6 Nc4 {is a better way to lose a piece and have to resign according to Stockfish}) 41... Nc4 0-1  

  [Event "London LARA 1979"]  [White "John Nunn"]  [Black "Mark Hebden"]  [Result "1-0"]  [Annotator "ATH"]  [ECO "C29"]  [WhiteFideId "-1"]  [BlackFideId "-1"]  [PlyCount "41"]  [GameId "2282571091177277"]  [EventDate "1979.??.??"]  [SourceTitle "StarBase 2.88"]  [Source "Pickard & Son"]  [SourceDate "2003.01.15"]  [SourceVersion "1"]  [SourceVersionDate "2003.01.15"]  [SourceQuality "2"]   1. e4 e5 2. Nc3 Nf6 3. f4 {This may be (old) mainline but both} (3. Nf3 {and}) (3. Bc4 {are preferable}) 3... d5 4. fxe5 Nxe4 5. d3 $6 {Ignore what the books say. Stockfish says} (5. Qf3 {is better and that's good enough for me. A sample line is} f5 (5... Nc6 6. Bb5 Nxc3 7. dxc3 a6 8. Bxc6+ bxc6 9. Qf2 $11) 6. d3 Nxc3 7. bxc3 d4 8. Qg3 dxc3 9. Be2 $1 $11) 5... Nxc3 6. bxc3 d4 7. Nf3 Nc6 8. Be2 Bc5 (8... dxc3 {is better, e.g.,} 9. O-O Qd5 $1 $15) 9. O-O dxc3+ 10. Kh1 O-O 11. Qe1 Nd4 12. Bd1 Nxf3 (12... Re8 $1 13. a4 $1 f6 $15) 13. Bxf3 Be6 (13... a5 $1 $15) 14. Qg3 Kh8 (14... f5 $1) 15. Be4 (15. Bxb7 $1 Rb8 16. Be4 $11 {Skaslien-Ruthen, ICCF corr. 1988}) 15... Bd5 $2 (15... f5 $1 16. exf6 Rxf6 17. Bf4 Bd6 $1 18. Bxd6 Qxd6 19. Rxf6 Qxg3 20. hxg3 gxf6 $15) 16. Bg5 Qd7 (16... f6 {puts up more (but futile) resistance, e.g.,} 17. exf6 gxf6 18. Rxf6 $1 Bd6 (18... Rxf6 $2 19. Qh4 $18) 19. Qf2 Bxe4 20. Qd4 $1 Kg8 21. dxe4 Be7 22. Rxf8+ Qxf8 23. Qd5+ $18) 17. Bxh7 $1 Kxh7 (17... Qc6 {prolongs the game without changing the result, e.g.,} 18. Be4 Bxe4 19. dxe4 Qg6 20. Rf4 f6 21. Qh3+ Kg8 22. Bxf6 $1 $18) 18. Bf6 $1 g5 (18... gxf6 19. Rf4 $18) 19. Qxg5 Bxg2+ 20. Qxg2 Rg8 21. Qe4+ 1-0  

  [Event "San Feliu 1973"]  [White "Stefano Tatai"]  [Black "Heikki Westerinen"]  [Result "1-0"]  [Annotator "ATH"]  [ECO "E90"]  [WhiteFideId "-1"]  [BlackFideId "-1"]  [PlyCount "51"]  [GameId "2282571091069239"]  [EventDate "1973.??.??"]  [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. Nf3 O-O 6. Be3 e5 7. dxe5 ({Stockfish prefers} 7. d5 Ng4 8. Bg5 f6 9. Bh4 Nh6 (9... g5 10. Bg3 Nh6 11. h3 $14) 10. Bd3 $14) 7... dxe5 8. Qxd8 ({and also prefers} 8. Qc2 c6 9. Nxe5 Qe7 10. Nf3 Re8 $11) 8... Rxd8 9. Nd5 (9. h3 $5) 9... Nxd5 $6 (9... Na6 10. O-O-O Be6 11. Nxf6+ Bxf6 12. Be2 Nb4 13. a3 Nc6 14. Rxd8+ Rxd8 $11) 10. cxd5 c6 11. Bc4 b5 $6 (11... cxd5 12. Bxd5 Na6 13. Rd1 Rd7 14. Ke2 $14) 12. Bb3 Bb7 $6 (12... a5 13. O-O-O $14) 13. Rc1 Rd7 $2 (13... a5 14. Ng5 Rd7 15. a4 $14) 14. Ke2 $18 cxd5 15. Bxd5 Na6 16. Bxb7 Rxb7 17. Rhd1 Re8 18. Rd6 (18. g4 $5 $18) 18... Nb8 19. Rcd1 $6 (19. g4 $1 $18) 19... f6 20. Nd2 $6 (20. g4 $1 $16) 20... Kf7 (20... Rc7 21. Nb1 $14 {is a small improvement for Black}) 21. Nb3 $2 (21. Rd5 $16) 21... Bf8 $2 (21... Rc7 $11) 22. R6d5 a6 $6 (22... Nc6 23. a3 $14) 23. Rc1 Re6 $2 (23... Rbe7 24. a3 $16) 24. Rd8 (24. Na5 $1 $18 {is even stronger}) 24... Re8 (24... Nc6 25. Rc8 Nd4+ 26. Bxd4 exd4 27. R1c7+ $18 {would prolong the game}) 25. Rxe8 Kxe8 26. Rc8+ (26. Rc8+ Kf7 27. Na5 $18) 1-0  

  [Event "United States 1979"]  [White "Maark Diesen"]  [Black "Norman Weinstein"]  [Result "1-0"]  [Annotator "ATH"]  [ECO "E20"]  [WhiteFideId "-1"]  [BlackFideId "-1"]  [PlyCount "69"]  [GameId "2282571091189787"]  [EventDate "1979.??.??"]  [SourceTitle "StarBase 2.88"]  [Source "Pickard & Son"]  [SourceDate "2003.01.15"]  [SourceVersion "1"]  [SourceVersionDate "2003.01.15"]  [SourceQuality "2"]   1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. g3 c5 ({Stockfish prefers} 4... O-O {e.g.,} 5. Bg2 d5 6. Nf3 dxc4 7. a3 Bxc3+ 8. bxc3 c5 $11) 5. Nf3 Ne4 (5... d5 $1 6. Bg2 cxd4 7. Nxd4 O-O $11) 6. Qd3 (6. Bd2 $5 Bxc3 7. bxc3 b6 8. Bf4 Bb7 $11 {Bluebaum-Kurmann, Bad Wiessee 2013}) 6... Qa5 (6... cxd4 $1 7. Nxd4 $1 (7. Qxd4 Qf6 $1 $11) 7... Bxc3+ 8. bxc3 Nc5 $11) 7. Qxe4 Bxc3+ 8. Bd2 Bxd2+ 9. Nxd2 O-O (9... Nc6 $1 10. dxc5 b6 11. Bg2 Bb7 12. Qf4 bxc5 $6 {Gavrikov but Stockfish disagrees} 13. Qd6 Nd8 14. O-O Bxg2 15. Kxg2 Qb6 16. Qd3 Qb7+ $11) 10. dxc5 Na6 $6 (10... Qxc5 11. Bg2 Nc6 $11) 11. Bg2 Nxc5 (11... Rb8 $1 12. Qf4 Qxc5 13. O-O $14 {Lehmann-Krueger, Duiburg 2000}) 12. Qe3 (12. Qb1 $1 Na6 13. a3 $14 {Giffard-Kristiansen, EC Team ch., West Berlin, 1980}) 12... d5 $6 (12... d6 13. O-O $14 {Gonzalez Quevedo-Gofshtein, Seville 2001}) 13. O-O Bd7 $6 (13... Nd7 14. cxd5 exd5 15. Nb3 $16) 14. Rac1 (14. Rfc1 $1 $16) 14... Rac8 $6 (14... Na4 15. Nb3 $16) 15. cxd5 exd5 16. Bxd5 $18 Rfe8 17. Qf3 Be6 18. Bxe6 Nxe6 19. Rxc8 Rxc8 20. Qxb7 Rd8 21. Nf3 Qxa2 22. Rc1 $2 (22. Ne5 Rf8 23. Rd1 $18) 22... h6 23. Kg2 (23. Kf1 $16 {is a small improvement}) 23... Qa5 (23... Qd5 $142 24. Qxd5 Rxd5 25. Ne1 $16) 24. Rc8 Rxc8 25. Qxc8+ Kh7 $6 (25... Nf8 26. Qb7 $18 {puts up more resistance}) 26. Qd7 (26. Qb7 $1 $18 {is even stronger}) 26... Qc7 $2 (26... Kg8 27. Qe8+ Nf8 28. Ne5 Qd5+ 29. f3 $18 {would make White work a little harder for the win}) 27. Qxc7 Nxc7 28. Ne5 f6 (28... Kg8 {is an irrelevant improvement}) 29. Nc6 a6 30. Kf3 f5 $6 ({So is} 30... h5) 31. Kf4 Kg6 ({Likewise} 31... g6 {. One suspects that Black is in time trouble.}) 32. Ke5 Ne8 ({And} 32... Kg5) 33. Ne7+ Kf7 34. Nxf5 Nf6 35. f3 1-0  

  [Event "World Open 1979"]  [Site "Philadelphia, PA"]  [White "Sunil Weeramantry"]  [Black "Walter Browne"]  [Result "0-1"]  [Annotator "ATH"]  [ECO "B23"]  [WhiteElo "2188"]  [BlackElo "2591"]  [WhiteFideId "-1"]  [BlackFideId "-1"]  [PlyCount "56"]  [GameId "2282571091194357"]  [EventDate "1979.06.??"]  [EventType "swiss"]  [EventRounds "10"]  [EventCountry "USA"]  [SourceTitle "CH, Oct-Nov 1979"]   1. e4 c5 2. Nc3 d6 3. f4 Nc6 4. Bb5 Bd7 5. Bxc6 ({The main line with} 5. Nf3 {is better}) 5... Bxc6 6. Nf3 g6 (6... Nf6 $142 7. d3 g6 8. O-O Bg7 9. Qe1 Qd7 $11) 7. O-O (7. d4 {Stockfish recommends transposing to an open Siclian with}) 7... Bg7 ({Again} 7... Nf6 {is better}) 8. d3 ({because now White can play the better} 8. d4) 8... Nf6 (8... f5 $1 $11) 9. Qe1 O-O (9... b5 $1 $11) 10. Qh4 d5 $6 (10... Qd7 $11) 11. f5 (11. e5 $1 d4 12. Ne2 Nd7 $11) 11... dxe4 12. dxe4 gxf5 13. e5 $2 (13. exf5 Bxf3 14. Rxf3 Qd4+ 15. Qf2 Ng4 16. Qxd4 Bxd4+ $11) 13... Ng4 14. Bf4 $2 (14. Bg5 Bxf3 15. gxf3 Qd4+ 16. Kh1 Nxe5 17. Qh3 (17. Bxe7 $2 Qxh4 18. Bxh4 Ng6 19. Be1 Rad8 $19) 17... e6 18. Ne2 Qd5 19. Nf4 Qc6 20. Nh5 f6 $17) 14... e6 $2 (14... Bxf3 15. Rxf3 (15. gxf3 Qd4+ 16. Kh1 Nxe5 $19) 15... Qd4+ 16. Kh1 (16. Kf1 Nxe5 $19) 16... Nxe5 $19) 15. Qg3 f6 16. Rad1 $6 (16. exf6 Qxf6 17. h3 Bxf3 18. Rxf3 Ne5 19. Bxe5 Qxe5 20. Qxe5 Bxe5 21. Re1 Bd4+ 22. Kh2 Rfe8 $15) 16... Qe8 (16... Qb6 $1 17. h3 c4+ 18. Kh1 Bxf3 19. Rd7 $1 (19. gxf3 Nxe5 $17) 19... Rf7 20. Rxf7 Kxf7 21. hxg4 Bxg4 $15) 17. exf6 Rxf6 18. h3 Nh6 19. Ne5 Nf7 20. Bg5 Nxg5 21. Qxg5 Rf8 (21... Kh8 {is a very small improvement according to Stockfish}) 22. Rd6 h6 (22... Kh8 $11 {is again a small improvement}) 23. Qe3 $6 (23. Qf4 Rd8 24. Rfd1 Bxe5 25. Qxe5 Qg6 $1 26. Nd5 $1 $11) 23... Qe7 24. Qxc5 Bxe5 (24... Be8 $1 25. Re1 Rd8 26. Rd5 $8 Qxc5+ 27. Rxc5 Rd2 $15) 25. Qxe5 Rf6 {Given the series of mutual blunders that follows, it seems likely that both players were in time trouble} (25... Kf7 $1 $11) 26. Re1 $2 (26. Ne2 Re8 27. Nf4 $18) 26... Re8 $2 (26... Qg7 27. Re2 Re8 $11) 27. Nd5 $2 (27. Ne2 Qg7 28. Nf4 $16) 27... exd5 28. Qg3+ $2 (28. Rxc6 $8 Qxe5 29. Rxe5 Rxc6 30. Rxe8+ Kf7 31. Rd8 $11) 28... Qg7 0-1  

  [Event "Sarajevo 1976"]  [White "Milan Vukic"]  [Black "Kick Langeweg"]  [Result "1-0"]  [Annotator "ATH"]  [ECO "A07"]  [WhiteFideId "-1"]  [BlackFideId "-1"]  [PlyCount "63"]  [GameId "2282571091125262"]  [EventDate "1976.??.??"]  [SourceTitle "StarBase 2.88"]  [Source "Pickard & Son"]  [SourceDate "2003.01.15"]  [SourceVersion "1"]  [SourceVersionDate "2003.01.15"]  [SourceQuality "2"]   1. Nf3 Nf6 2. g3 d5 3. Bg2 c6 4. b3 Bg4 5. Bb2 e6 6. O-O Nbd7 7. d3 Bb4 $6 (7... Bc5 $11) 8. a3 (8. e4) 8... Ba5 $6 (8... Bd6 9. e4 O-O $11) 9. e4 (9. c4 $1 $14) 9... dxe4 10. dxe4 Bc7 (10... Nxe4 $1 11. Bxg7 Rg8 12. Bb2 Ng5 $11) 11. Nbd2 Be5 (11... O-O $142 12. Qe2 $14) 12. Qc1 ({For reasons I don't understand, Stockfish thinks that} 12. Qb1 Bxb2 13. Qxb2 {is slightly better than the game continuation}) 12... Bxb2 13. Qxb2 Bxf3 (13... O-O $142 14. e5 $14) 14. Bxf3 (14. Nxf3 $142 Qc7 (14... Nxe4 $2 15. Qxg7 Qf6 16. Qg4 Nc3 17. Rae1 $16) 15. e5 Nd5 16. Rad1 Rd8 17. c4 $14) 14... e5 $2 (14... Qc7 $11) 15. Nc4 (15. Rfd1 $5) 15... Qc7 16. Rad1 O-O 17. Rfe1 (17. Qc3 $1 g6 18. Bg2 $16) 17... Rfd8 $6 (17... b5 18. Nd6 Ne8 19. Nf5 g6 20. Nh6+ Kg7 21. Qc1 $14) 18. Qc3 Ne8 (18... b5 $5 19. Ne3 $16) 19. Rd2 (19. Bg4 $1 Ndf6 (19... f6 20. h4 g6 21. h5 $16) 20. Nxe5 Rxd1 21. Bxd1 (21. Rxd1 $2 Nxe4 $11) 21... Nd6 22. Bf3 Nb5 23. Qc5 $16) 19... f6 (19... b5 20. Na5 Nf8 21. Rxd8 Rxd8 22. b4 $14) 20. Red1 (20. Bg4 $5) 20... Nf8 21. Bg4 Rxd2 22. Qxd2 Qe7 (22... g6 23. h4 $16 {is a very small improvement for Black}) 23. Na5 (23. a4 $16 {is a small improvement for White}) 23... Rb8 (23... g6 24. h4 $16 {is a somewhat larger improvement for Black}) 24. Qe3 Ra8 25. b4 (25. Be2 $1 g6 26. Bc4+ Kg7 27. b4 $18) 25... g6 ({Stockfish prefers} 25... Qc7 26. Qc5 g6 27. h4 $18 {even though it reaches the same position}) 26. Qc5 ({beecause now} 26. Be2 $1 $18 {is even stronger for White than the game position}) 26... Qc7 27. h4 h5 $6 (27... Kf7 28. h5 (28. Qc4+ $5 $18) 28... Ng7 29. Nc4 Nge6 30. Qe3 $18 {would prolong the game}) 28. Bh3 (28. Be2 $1 $18 {would shorten the game}) 28... Kg7 $6 (28... Ng7 29. Rd6 Qe7 30. a4 $18) 29. Bd7 $1 Kf7 30. Bxe8+ Kxe8 31. Rd6 Kf7 $6 (31... Rc8 32. Rxf6 $18 {is an irrelvent improvement that might allow Black to limp on for a few more moves}) 32. Nxc6 1-0  

  [Event "1989 Marshall CC-ch"]  [Site "New York, NY"]  [Round "?"]  [White "Michael Rohde"]  [Black "Walter Shipman"]  [Result "1-0"]  [Annotator "ATH"]  [ECO "D61"]  [WhiteFideId "-1"]  [BlackFideId "-1"]  [PlyCount "71"]  [GameId "2282571091383306"]  [EventDate "1989.??.??"]  [EventCountry "USA"]  [SourceTitle "CL, Dec 1999"]  [SourceDate "2017.10.08"]  [SourceVersionDate "2017.10.08"]   1. c4 e6 2. Nf3 d5 3. d4 Nf6 4. Nc3 c6 5. Bg5 Nbd7 6. e3 Be7 7. Qc2 O-O 8. Rd1 Re8 9. h3 dxc4 $6 (9... Qa5 10. cxd5 exd5 11. Bd3 Ne4 $1 $11) 10. Bxc4 Nd5 11. Bxe7 Qxe7 12. O-O (12. Ne4 $5 $14) 12... Nxc3 13. Qxc3 b6 14. e4 Bb7 15. Rfe1 Qf6 (15... Rac8 $1 16. Nd2 $14) 16. e5 (16. Nd2 $1 $14) 16... Qe7 17. Qe3 (17. Nd2 $1 $14) 17... Red8 $2 (17... c5 $1 18. dxc5 bxc5 $11) 18. Ng5 h6 $2 (18... Nf8 19. Ne4 Ng6 20. Nd6 $16) 19. Ne4 c5 $6 (19... Nf8 20. Qg3 $18 {puts up stiffer resistance}) 20. Nd6 Bc6 $6 ({as does} 20... Rab8 21. f4 $18) 21. Qf4 $2 (21. f4 b5 22. d5 $1 $18 {is the quick method}) 21... cxd4 $6 (21... Nf8 22. Bd3 Rab8 23. Re3 $18 {would makes White's task more difficult}) 22. Rxd4 Nc5 ({as would} 22... b5 23. Bd3 f6 24. exf6 Qxf6 25. Qxf6 Nxf6 26. Rxe6 $18) 23. Re3 Nb7 $6 ({as also would} 23... a5 24. a3 $18) 24. Rg3 Kf8 25. Qg4 ({Here} 25. Rg6 $18 {is the quick method}) 25... Qg5 (25... g5 26. Qh5 $18 {is an insufficient improvement for Black}) 26. Qe2 (26. Nxf7 $1 $18 {is not only quicker but prettier}) 26... Qe7 (26... Rxd6 27. Rxd6 Qc1+ 28. Rd1 Qf4 29. Rg4 $18 {would prolong the game}) 27. Rdg4 (27. Qc2 $18 {also shortens the game}) 27... g5 ({while} 27... Nxd6 28. Rxg7 Ke8 29. Qd2 $18 {prolongs it without changing the result}) 28. Rxg5 $1 hxg5 (28... Qxg5 29. Rxg5 Nxd6 30. Rh5 Nxc4 31. Qxc4 $18 {is a irrelevant improvement}) 29. Qh5 Qc7 ({When the computer says giving up the queen with} 29... Qxd6 {it might be time to consider resigning}) 30. Qh6+ Ke7 31. Qxg5+ Kd7 32. Bxe6+ $1 Kxe6 33. Qf5+ Kd5 34. Rd3+ Kc5 35. e6+ Kb4 36. Rd4# 1-0