[Event "1983 Memorial Day Classic"]  [Site "Hollywood, CA"]  [White "James Tarjan"]  [Black "Nick De Firmian"]  [Result "1-0"]  [ECO "A46"]  [Annotator "ATH"]  [PlyCount "69"]  [EventDate "1983.05.??"]  [EventType "swiss"]  [EventRounds "6"]  [EventCountry "USA"]  [SourceTitle "Unknown"]  [SourceDate "2009.03.03"]  [SourceVersionDate "2009.03.03"]   1. d4 Nf6 2. Nf3 e6 3. g3 b5 $5 4. Bg5 Bb7 5. Bg2 (5. Nbd2 $1) 5... c5 6. c3  Qb6 $6 (6... d5 $1 7. O-O Nbd7 8. a4 b4 $11 {Monell Camarasa-Pogorelov  Torredembarra 2009}) 7. Nbd2 (7. Bxf6 $1 gxf6 8. O-O $14) 7... cxd4 (7... Be7  $1 $11) 8. cxd4 (8. Bxf6 $1 gxf6 9. cxd4 a5 $1 $11) 8... Be7 9. O-O Nc6 (9...  d6 $5 $11) 10. e3 h6 $6 (10... d6 $11) 11. Bxf6 Bxf6 12. Ne4 Be7 13. Rc1 d6 $6  (13... Rd8 14. Nc5 $14) 14. d5 $1 Nd8 (14... Na5 15. dxe6 Bxe4 16. exf7+ Kf8 (  16... Kxf7 $6 17. Ng5+ hxg5 18. Bxe4 Rab8 19. Bd5+ Ke8 20. b3 Kd8 21. Qg4) 17.  Nd4 Bxg2 18. Qh5 d5 19. Rc6 Qxd4 20. exd4 Nxc6 21. Rc1 $1 (21. Kxg2 Rd8 22. Rc1  $14) 21... Be4 22. Rxc6 $16) 15. Nd4 $2 (15. Nc3 $1 $16) 15... Bxd5 16. Nf5  Bxe4 17. Bxe4 d5 18. Bxd5 exd5 19. Qxd5 Rb8 20. Rfd1 $5 (20. Nxg7+ Kf8 21. Nf5  Rg8 $11) 20... Bf6 21. Qd7+ Kf8 22. Nd6 (22. Rd6 Rb7 $11) 22... Kg8 23. Rd5 (  23. b4 Kh7 24. Qf5+ Kg8 25. Qd7 $11) (23. e4 Bxb2 24. Rb1 Bf6 25. e5 Bg5 (25...  Bxe5 $2 26. Qe8+) 26. h4 Qc6 $11) (23. h4 $44) 23... a6 (23... Qa5 $5) 24. h4 (  24. Rf5 $5 Kh7 (24... Qa5 $6 25. Rc7 Qxa2 26. Qe8+ Kh7 27. Qe4 Kg8 28. Rxf6  gxf6 29. Re7 $14) 25. Rxf6 gxf6 26. Nxf7 (26. Rc7 Kg7 27. Qg4+ $11) 26... Rb7  27. Qf5+ Kg7 28. Nxh8 Kxh8 29. Rc8 $44) 24... Kh7 (24... Bxb2 $5 25. Rc2 Bf6  26. h5 $44) 25. Qf5+ Kg8 26. Rcd1 $2 (26. Qd7 $11) 26... Nc6 27. Ne4 (27. R5d2  Ne7 $17 {is somewhat better}) 27... Be7 $2 (27... Bxb2 28. Rd6 Ba3 $17) 28. h5  $2 (28. Rd7 $16) 28... Bf8 $2 (28... Nd8 29. Rd7 Rb7 $11) 29. Rd7 Ne7 30. Qf4  Rb7 $2 (30... Ra8 31. R1d6 $16) 31. Rd8 (31. R1d6 $1 Qa5 $2 (31... Qa7 $2 32.  Qg4) (31... Rxd7 32. Rxb6 Nd5 33. Qg4 $18 {is best}) 32. Qg4 {is even more  bone crushing}) 31... Kh7 $2 (31... f5 32. R1d6 Qc7 33. Qe5 $1 fxe4 34. Qe6+  Kh7 35. Qxe4+ Kg8 36. R8d7 $18) 32. R1d6 Qc7 $2 (32... Qxd8) 33. Qxf7 (33.  Rxh6+ $1 Kg8 (33... gxh6 34. Qxf7+ Bg7 35. Nf6#) 34. Nf6+ gxf6 35. Rxh8+ Kxh8  36. Qh6+ Kg8 37. Rxf8#) 33... Nd5 (33... Rg8 34. Nf6+ {would only prolong  Black's suffering}) 34. Qf5+ g6 35. Qxg6# 1-0  

  [Event "1998 Continental Open"]  [Site "Los Angeles, CA"]  [Round "?"]  [White "Alexander Shabalov"]  [Black "Suat Atalik"]  [Result "1-0"]  [ECO "C30"]  [BlackElo "2585"]  [Annotator "ATH"]  [PlyCount "53"]  [EventDate "1998.07.??"]  [EventType "swiss"]  [EventRounds "7"]  [EventCountry "USA"]  [SourceTitle "CL, Oct 1998"]  [SourceDate "2018.03.07"]  [SourceVersionDate "2018.03.07"]   1. e4 e5 2. Nc3 Nf6 3. Bc4 Nc6 4. d3 Bc5 5. f4 d6 6. Nf3 a6 7. f5 h6 (7... b5  8. Bb3 Na5 9. Bg5 Bb7 $11) 8. a3 (8. Nd5 $5 Na5 9. b4 Nxd5 10. bxc5 Nf6 11. Bb3  O-O $11) 8... b5 9. Ba2 Bb7 (9... Nd4 $5) 10. Bd2 (10. Nd5 Nd4 11. Nxd4 Bxd4  $11 {Huerga Leache-Fernandez Romero, Azuqueca de Henares 2013}) 10... Nd4 11.  Nxd4 exd4 $6 (11... Bxd4 12. Qf3 Qd7 $11) 12. Nd5 Nxd5 13. Bxd5 Bxd5 14. exd5  Qh4+ (14... Qe7+ $5) 15. g3 Qh3 (15... Qe7+ 16. Kf2 $14 {is slightly better})  16. Qf3 Kd7 (16... O-O-O $1 17. O-O-O $14) 17. O-O-O Rae8 18. f6 $6 (18. b4 $16  ) 18... g6 19. Rde1 (19. Rhf1 $5) 19... h5 $2 (19... Re5 20. Bf4 Ree8 21. b4  Bb6 22. Rhf1 $14) 20. Re7+ Rxe7 21. fxe7 Ke8 $6 (21... Kxe7 $2 22. Re1+ Kf8 23.  Qf6 $18) (21... Qf5 22. Qxf5+ gxf5 23. b4 Bb6 24. Bg5 $18) 22. b4 Bb6 23. Qf6  Rh7 24. Rf1 $6 ({The immediate} 24. Bg5 $18 {is the quick method}) 24... Qxh2  25. Bg5 (25. Qf3 $5) 25... Qe2 (25... Qxg3 $2 26. Qxg6 $1 Qe1+ (26... fxg6 $2  27. Rf8+ Kd7 28. e8=Q#) 27. Kb2 Qc3+ 28. Kb1 Qe1+ 29. Ka2 Qxe7 30. Qg8+ Kd7 31.  Bxe7 $18 {with a quick mate to follow}) 26. Kb2 Kd7 27. Rf4 (27. Rf5 $1 a5 (  27... gxf5 $2 28. Qxf5+ $18) 28. Bh4 axb4 29. Rxh5 $1 Rxh5 (29... gxh5 30. Qf5+  $18) 30. Qxf7 bxa3+ 31. Kxa3 Kc8 32. e8=R+ $18 {is a cute line as is}) (27.  Qxf7 $6 Rxf7 28. Rxf7 $18) ({I can't help wondering if Black on time. Even  though he's completely lost after} 27. Rf4 Qe1 28. Rf2 (28. Rf5 $1 {wins as in  the last note but if White didn't see it then, maybe he wouldn't see it now.  At least, Black could hold off resignation to find out.}) 28... Qc3+ 29. Ka2  $18 {, he might have played on for a few more moves.}) 1-0  

  [Event "Los Angeles 1995"]  [White "Eduard Gufeld"]  [Black "Enrico Sevillano"]  [Result "1-0"]  [ECO "C05"]  [Annotator "ATH"]  [PlyCount "89"]  [EventDate "1995.??.??"]  [SourceTitle "StarBase 4.56"]  [SourceDate "2004.11.04"]  [SourceVersion "1"]  [SourceVersionDate "2004.11.04"]  [SourceQuality "2"]   1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. Bd3 c5 6. c3 Nc6 (6... b6 $5) 7. Ne2  f6 $6 (7... cxd4 $5) 8. Nf4 Qe7 9. exf6 (9. Nf3 $1 cxd4 10. cxd4 Ndxe5 $1 11.  dxe5 fxe5 12. Nxe5 Nxe5 13. Qh5+ Nf7 14. O-O $14) 9... Nxf6 (9... Qxf6 $1 10.  Nf3 Bd6 11. Nh5 Qe7 12. O-O cxd4 13. cxd4 $14) 10. Nf3 cxd4 11. cxd4 Qc7 (11...  g6 $5 12. O-O Bg7 13. Re1 $14 {Kristof-Kovacs, Hungary 2006}) 12. O-O Bd6 13.  g3 O-O 14. Re1 e5 (14... g6 15. Bc2 Re8 16. Nd3 $16) 15. dxe5 Nxe5 16. Nxe5  Bxe5 17. Qb3 (17. Nxd5 $1 Nxd5 18. Qh5 $16 {Puraev-Guzikov, Novokuznetsk 2011})  17... Qd6 (17... Rd8 18. Bd2 $16 {is slightly better}) 18. Bd2 $6 (18. Be3 $16)  18... a5 19. h4 (19. a4 Kh8 20. Rac1 Bd7 $11) 19... a4 $6 (19... Bd7 $11) 20.  Qb4 Bxf4 $6 (20... Rd8 21. Qxd6 Bxd6 22. Bc3 $14) 21. Qxf4 Qxf4 22. Bxf4 Bd7  23. Re7 $5 (23. Kg2 $16) 23... Rae8 24. Rae1 Rxe7 25. Rxe7 Re8 $6 (25... Rf7  26. Re5 $16) 26. Rxe8+ Bxe8 27. f3 Bc6 (27... Bg6 $1 28. Bb5 $16) 28. Kf2 Kf7  29. Ke3 $6 (29. Bc2 $1 $16) 29... g6 $6 (29... d4+ $1 30. Kxd4 Bxf3 31. Bb5 $16  ) 30. Kd4 Nd7 (30... Ke6 {is somewhat better}) 31. g4 Ke6 (31... Nb6 32. Bg5  $18 {is a slight improvement}) 32. Bh6 $2 (32. h5 $18) 32... Nb6 $2 (32... Ne5  33. Be2 $16) 33. Bf4 $2 (33. f4 $18) 33... Nc4 (33... Nd7 34. h5 $18) 34. Bc1 (  34. b3 $1 $18) 34... Ne5 (34... Nd6 $5) 35. Be2 b6 (35... Be8 $5) 36. Bd1 (36.  f4 $1 $16) 36... Bb5 37. Kc3 a3 $2 (37... Nc6 38. Be3 $16) 38. bxa3 Nc4 39. a4  Bc6 40. Kd4 Ne5 (40... Nd6 41. Bc2 $18 {is slightly better}) 41. Bf4 (41. f4 $1  {is even stronger}) 41... Nd7 $6 (41... Nc4 {would prolong the game without  changing the result}) 42. Bc2 (42. Bc7 {is the quick method}) 42... Nf6 (42...  Kf7 {is slightly better (but who cares?)}) 43. h5 $6 ({Again} 43. Bc7 {is  better}) 43... Be8 $2 (43... gxh5 44. gxh5 Nxh5 45. Bc7 Ng7 46. Bxb6 h5 {  puts up a fight}) 44. h6 Nd7 (44... Ng8 {is (irrelevantly) better}) 45. Bc7 1-0  

  [Event "2011 Hamilton Winter Open"]  [Site "Hamilton, Ontario"]  [White "Victor Plotkin"]  [Black "Wesley So"]  [Result "0-1"]  [ECO "B22"]  [WhiteElo "2409"]  [BlackElo "2667"]  [Annotator "ATH"]  [PlyCount "70"]  [EventDate "2011.03.26"]  [EventType "swiss"]  [EventRounds "6"]  [EventCountry "CAN"]  [SourceTitle "hb"]   1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. d4 cxd4 5. Nf3 e6 6. cxd4 d6 7. Bc4 Nc6 8. O-O  Be7 9. exd6 Qxd6 10. Nc3 Nxc3 (10... a6 $1 $11) 11. bxc3 b6 12. Ng5 (12. Re1 $5  $14) 12... Bb7 (12... Bxg5 $5 13. Bxg5 h6 14. Bc1 O-O 15. Re1 $14) 13. Qg4 $6 (  13. Re1 $14) 13... h5 $1 14. Qf3 (14. Qh3 $5) 14... Bxg5 15. Bxg5 Na5 16. Bb5+  Kf8 17. Bf4 (17. Qg3 $6 Qxg3 18. hxg3 f6 $15) 17... Qd5 18. Qxd5 Bxd5 19. Rfc1  (19. Rfe1 $5) 19... Bc4 20. Bd6+ (20. Ba4 f6 $11) 20... Kg8 21. Ba4 Rc8 (21...  Bd5 $5) 22. Bb4 (22. h4 $5) 22... Nc6 23. f3 $6 (23. h4 $1 f6 24. Bd6 Kf7 25.  Bf4 g6 $11) 23... h4 $1 24. Kf2 f6 (24... Rh5 $5) 25. Bd1 $6 (25. Bb3 Bxb3 26.  axb3 Kf7 $15) 25... Kf7 26. Ke3 $6 (26. Bd6 Rhd8 27. Bf4 e5 $17) 26... e5 27.  dxe5 $2 (27. Ba3 $1 Rhd8 $17) 27... Nxe5 28. Bb3 $2 (28. Bc2 h3 $19 {puts up a  lot more resistance}) 28... Rhe8 29. Kd2 $2 ({It doesn't really matter but} 29.  Bxc4+ Nxc4+ 30. Kf2 a5 $19 {is a whole lot better}) 29... Bxb3 $2 ({missing}  29... Nxf3+ $3 30. Kc2 (30. gxf3 $2 Re2+ 31. Kd1 Rd8+ 32. Bd6 Rxd6#) 30... Re2+  31. Kb1 Nd2+ {with a forced mate in 26 (and ruinous loss of material before  that)}) 30. axb3 a5 31. Ba3 ({White's position is so bad that Stockfish would  rather dump a piece with} 31. Bxa5) 31... Rcd8+ 32. Kc2 Nd3 33. Rg1 (33. Rd1 {  is irrelevantly better}) 33... Re2+ 34. Kb1 Ne1 35. Bc1 Rd1 0-1  

  [Event "1983 Canadian Open"]  [Site "Toronto"]  [White "Leonid Shamkovich"]  [Black "Lawrence Day"]  [Result "1-0"]  [ECO "C91"]  [WhiteElo "2480"]  [BlackElo "2448"]  [Annotator "ATH"]  [PlyCount "75"]  [EventDate "1983.07.??"]  [EventType "swiss"]  [EventRounds "10"]  [EventCountry "CAN"]  [SourceTitle "CFC 1983.09"]   1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3  O-O 9. d4 (9. h3 {is the main line}) 9... Bg4 10. d5 (10. Be3 $5) 10... Na5 11.  Bc2 c5 $6 (11... Qc8 $11) 12. Nbd2 (12. h3 $5 Bd7 13. b3 $14) 12... Ne8 $2 (  12... Bd7 $11) 13. h3 (13. Nf1 $1) 13... Bd7 14. Nf1 Nb7 $2 (14... Nc4 15. b3  $14 {Tseshkovsky-Ivkov, Moscow 1999}) 15. b3 a5 (15... Qc7 16. c4 $14) 16. a4  b4 17. Bd2 g6 (17... Nc7 18. Ne3 $14) 18. g4 $6 (18. Bh6 Ng7 19. Ne3 $14) 18...  Ng7 (18... h5 $1 19. gxh5 bxc3 20. Bh6 Ng7 21. Ng3 Bxh3 $11) 19. Ng3 (19. Ne3  f5 20. exf5 gxf5 $11) 19... h5 20. gxh5 Bxh3 (20... bxc3 $5) 21. Nh2 $2 (21. h6  Ne8 $11) 21... bxc3 (21... Bg5 $5 $15) 22. Bxc3 (22. Be3 $5) 22... Bg5 (22...  Rc8 $1 $15) 23. Qf3 Qc8 $2 (23... Rc8 $1 $15) 24. Kh1 $1 Kh7 (24... Bf4 $5 25.  Rg1 $14) 25. Rg1 (25. Bb2 $1 c4 26. bxc4 Qxc4 27. Bc1 Bh4 28. Bd1 Nc5 29. Be2  $16) 25... Kh6 $2 (25... Bf4 26. Ne2 Nxh5 27. Ng4 Ng3+ 28. Rxg3 Bxg3 29. Nf6+  Kg7 30. Nxg3 $16) 26. Nf5+ $1 Bxf5 27. exf5 Nxf5 (27... Nxh5 28. Rxg5 $1 Nf4 (  28... Kxg5 29. fxg6 Nf4 30. Rg1+ $18) 29. Rg4 $18) 28. Ng4+ $6 (28. Rxg5 $1 $18  {would end the game quickly}) 28... Kh7 $2 (28... Kg7 29. Nxe5 $1 dxe5 30. Rxg5  $18 {is better but not by nearly enough to save the game}) 29. Nxe5 dxe5 30.  Rxg5 Nbd6 31. Bxe5 f6 32. Rxg6 fxe5 33. Rxd6 Kh8 34. Re6 Ng7 35. Rh6+ Kg8 36.  Bh7+ Kh8 37. Qe3 Qd8 38. Bg6+ 1-0  

  [Event "1979 London match"]  [White "Murray Chandler"]  [Black "Jim Plaskett"]  [Result "0-1"]  [ECO "A89"]  [WhiteElo "2380"]  [BlackElo "2410"]  [Annotator "ATH"]  [PlyCount "82"]  [EventDate "1979.12.07"]  [EventType "match"]  [EventRounds "4"]  [EventCountry "ENG"]  [SourceTitle "www.newzealandchess.co.n"]  [SourceDate "2019.11.05"]  [SourceVersion "1"]  [SourceVersionDate "2006.11.24"]  [SourceQuality "1"]   1. d4 f5 2. Nf3 Nf6 3. c4 g6 4. Nc3 Bg7 5. g3 O-O 6. Bg2 d6 7. O-O Nc6 8. d5  Ne5 9. Nxe5 dxe5 10. e4 (10. Qb3 $1 e4 11. Bf4 Nh5 12. Bg5 $14) 10... f4 (10...  e6 $5 11. Qb3 exd5 12. cxd5 Nxe4 13. Nxe4 fxe4 14. d6+ Kh8 15. dxc7 Qxc7 16.  Bxe4 $14) 11. gxf4 (11. a4 $5) 11... exf4 12. Bxf4 Nxe4 13. Bxc7 (13. Bg3 Nxg3  14. hxg3 e6 15. Rc1 Rb8 $11) 13... Nxc3 14. Bxd8 Nxd1 15. Bxe7 Nxb2 16. d6 (16.  Bxf8 Kxf8 17. c5 Nd3 $19 {is somewhat better}) 16... Rf4 17. Rab1 ({as is} 17.  c5 Nd3 $19) 17... Nxc4 $2 (17... Rg4 $1 18. Kh1 Rxg2 19. Kxg2 Bd7 $19) 18. Bd5+  $6 (18. Rb4 Be6 19. Bxb7 Re8 $17) 18... Kh8 19. Bxb7 Bxb7 20. Rxb7 Bf8 $1 21.  Rd1 Rf7 $6 (21... Nb6 $1 $19) 22. Rc7 Nb6 (22... Bxe7 $2 23. dxe7 Re8 24. Rd8  Rfxe7 25. Rxe8+ Rxe8 26. Rxc4 $11) 23. Rd4 $2 (23. a4 a5 24. Rc6 Nd7 $17) 23...  Re8 (23... Bxe7 $1 24. dxe7 Re8 $19 {is even better}) 24. d7 $6 (24. Bxf8 Rxc7  25. dxc7 Rxf8 $19 {puts up more resistance}) 24... Rexe7 25. d8=Q Rxc7 26. Qg5  (26. Qe8 {is better but wouldn't make much difference}) 26... Rf5 27. Qe3 (27.  Qg3 $5) 27... Nd5 (27... Rcf7 $19 {is strongest}) 28. Qd2 Rc5 (28... Rd7 $1 $19  ) 29. Re4 Kg8 (29... Nf6 $1 $19) 30. h4 (30. a4 $5) 30... Nf6 31. Ra4 (31. Rf4  {would pointlessly prolong the game}) 31... Rc7 $6 (31... Rcd5 $19 {is the  quick way}) 32. Kg2 $2 (32. Rf4 {would put up real, if ultimately futile,  resistance}) 32... Bc5 $2 (32... Nd5 $19 {wins easily}) 33. f3 $2 ({White  misses (presumably because of time pressure)} 33. Qd8+ $16 {which would turn  the tables}) 33... Rd7 ({Again} 33... Nd5 $19 {is strongest}) 34. Qc2 (34. Qe2  {is irrelevantly best}) 34... Rfd5 (34... Bb6 $1 {a time scramble?}) 35. Qb3 $2  (35. Kh3 {is much better but wouldn't change the result}) 35... Kg7 36. Ra6 (  36. Qc3) 36... Bb6 (36... Rd2+ {and White probably doesn't make it to move 40})  37. Ra3 $2 (37. Rxb6 {would make Black work slightly harder for the win}) 37...  Rd2+ 38. Kh3 Bc5 (38... Bc7 $1 $19 {ends the game immediately}) 39. Ra4 (39.  Ra6 {is better but to what end?}) 39... R2d3 (39... Bd6 $1) 40. Qe6 (40. Qc2 {  and White lives on (like the Black Knight in Monty Python)}) 40... Rxf3+ 41.  Kg2 Rf2+ 0-1  

  [Event "1966 Canadian Open"]  [White "James Sherwin"]  [Black "Walter Browne"]  [Result "1-0"]  [ECO "D25"]  [Annotator "ATH"]  [PlyCount "81"]  [EventDate "1966.??.??"]  [EventType "swiss"]  [EventCountry "CAN"]  [SourceTitle "Chess Chat 1967.07"]  [SourceDate "2005.01.01"]  [SourceVersion "1"]  [SourceVersionDate "2005.01.01"]  [SourceQuality "1"]   1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 Bg4 5. h3 Bh5 6. Nc3 e6 7. Bxc4 Nbd7 8.  O-O c6 (8... Bb4 $1 9. a3 Bxc3 10. bxc3 Ne4 $11) 9. e4 (9. Be2 $14) 9... Be7 (  9... Bb4 $1 $11) 10. Be2 (10. Bb3 $1 $14) 10... O-O 11. Be3 (11. Bf4 $5) 11...  Qa5 $2 (11... Bxf3 $11) 12. a3 (12. g4 $1) 12... Rfd8 $6 (12... h6 13. Rc1 $14)  13. Qc2 (13. g4 $1 $16) 13... Rac8 14. Rfd1 (14. g4 $14) 14... a6 (14... h6 15.  Rac1 $14) 15. b4 (15. g4 $1 $14 {Stockfish seems obsessed with g4. It keeps  coming up as the best move.}) 15... Qc7 16. Qb3 (16. Rac1 $14) 16... Bxf3 (  16... Bg6 $5 17. Bd3 $14) 17. Bxf3 e5 18. dxe5 (18. Rac1 $14) 18... Nxe5 19.  Be2 Ng6 20. Rac1 Rxd1+ 21. Rxd1 c5 $6 (21... Bd6 $1 $11) 22. Rc1 $6 (22. b5 c4  23. Qb2 $14) 22... c4 $6 (22... cxb4 23. axb4 (23. Nd5 $5 Qxc1+ 24. Bxc1 Rxc1+  25. Kh2 Bd6+ $11) 23... Qd6 $11) 23. Qc2 (23. Qa4 $5 Qe5 $11) 23... b5 $6 (  23... Bd6 $1 $11) 24. Rd1 $6 (24. g3 Bd6 25. f4 $14) 24... Nf4 $6 (24... Bd6 $1  $11) 25. Bf1 Rd8 $6 (25... Ne6 26. g3 $14) 26. g3 (26. Rxd8+ $1 Bxd8 27. a4 Qb8  28. Qa2 Nd3 29. Bxd3 cxd3 30. axb5 axb5 31. Qb1 $14) 26... Ne6 (26... Rxd1 $5)  27. f4 (27. Bg2 $1 Qb8 28. f4 $14) 27... Rxd1 28. Qxd1 Qd7 $2 (28... a5 $1 $11)  29. Qxd7 Nxd7 30. e5 Nc7 ({Slightly better is} 30... g6 31. Bg2 $16) 31. Bg2 f6  $2 (31... a5 $1 32. bxa5 Bxa3 33. Bc6 b4 34. Bxd7 bxc3 35. Ba4 $16) 32. e6 Nf8  33. f5 a5 (33... g6 34. Bf4 Ne8 35. Nd5 $18) 34. bxa5 Bxa3 35. Bb6 (35. Bd5 $1  {is even stronger}) 35... b4 36. Bxc7 (36. Ne2 {is the quick method}) 36...  bxc3 37. Be4 g6 38. g4 gxf5 (38... Kg7 {is irrelevantly better according to  Stockfish}) 39. gxf5 h5 ({Ditto with} 39... Bc5+) 40. Bb6 Nh7 41. h4 (41. a6 {  mates in 12 moves whereas the game continuation takes 14 moves}) 1-0  

  [Event "1974 World Open"]  [White "Jack Peters"]  [Black "Bent Larsen"]  [Result "0-1"]  [ECO "B84"]  [Annotator "ATH"]  [PlyCount "80"]  [EventDate "1974.07.??"]  [EventType "swiss"]  [EventRounds "9"]  [EventCountry "USA"]  [SourceTitle "StarBase 4.56"]  [SourceDate "2004.11.04"]  [SourceVersion "1"]  [SourceVersionDate "2004.11.04"]  [SourceQuality "2"]   1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 Nbd7 7. f4 a6 8. a4  Qc7 9. O-O b6 10. Bf3 Bb7 11. Kh1 Be7 12. Qe1 O-O 13. g4 Qc4 14. Be3 d5 15. e5  (15. Be2 $5) 15... Ne4 16. Nxe4 (16. Be2 $5) 16... dxe4 17. Bg2 Rac8 (17...  Rfd8 $1 $11) 18. Qg3 (18. h4 $1) 18... Qb4 $6 (18... Rfd8 $11) 19. f5 $6 (19.  Rad1 $14) 19... Qxb2 20. fxe6 $2 (20. Rad1 $1 Qa3 $11) 20... fxe6 21. Rfb1 Qc3  22. Nxe6 Rf3 $1 23. Bxf3 exf3 24. Bf2 Nxe5 $2 (24... Bc5 $1 25. Nxc5 Nxc5 $19)  25. Kg1 $6 (25. Re1 Ng6 $17) 25... Ng6 26. g5 a5 $2 (26... Bd5 $1 27. Nf4 Nxf4  28. Qxf4 Bc5 29. Rd1 Re8 $1 30. Bxc5 Qxc5+ 31. Qd4 Re1+ 32. Kf2 Re2+ 33. Kg1  f2+ 34. Kf1 Bc4 $19) 27. Qg4 $6 (27. Re1 Bb4 $17) 27... Re8 $2 (27... Rc4 $19)  28. Nd4 $2 (28. Qd4 Qxd4 29. Bxd4 Bb4 $8 30. c3 (30. Nxg7 $2 Re2 $19) 30...  Rxe6 31. cxb4 Nf4 $15) 28... Bc5 29. Re1 $6 (29. Rd1 Rf8 30. Qe6+ Kh8 31. Qe3  Qb4 32. Qb3 Nf4 $19 {puts up somewhat more resistance}) 29... Rf8 30. Rad1 Nf4  (30... Bc8 $1 $19 {is even stronger}) 31. Kh1 $2 ({Best (but still hopeless) is  } 31. Re8 Rxe8 32. Qxf4 Qc4 $19) 31... Bxd4 32. Qg3 $2 ({After} 32. Rf1 {  Black mates in 27 according to Stockfish}) 32... Ne2 {This mates in 12 moves  whereas} (32... Bxf2 $1 {mates in seven}) 33. Qh4 Rf4 (33... Bxf2 {mates in  eleven}) 34. Qh5 ({After} 34. Qh3 {the checkmate is beyond Stockfish's horizon}  ) 34... g6 (34... Bxf2 {again mates in eleven}) 35. Qh3 Rf8 (35... Bc8 {  is quicker}) 36. Rf1 $2 (36. Qe6+ {would needlessly prolong the game}) 36...  Bc8 37. Qh4 Bxf2 (37... Rf4 {is even stronger. Presumably, a time scramble is  what's keeping this game going.}) 38. Qxf2 (38. Qe4 {pushes the checkmate  beyond Stockfish's horizon}) 38... Qxc2 (38... Bh3 {mates in 16}) 39. Qxb6 ({  After} 39. Rc1 {checkmate is still 22 moves away}) 39... Bh3 (39... Ng3+ {  mates next move}) 40. Rb1 (40. Qf2 {would postpone mate by six moves.}) 40...  Bg2# 0-1  

  [Event "1997 US Open"]  [Site "Kissimmee, FL"]  [White "Gabriel Schwartzman"]  [Black "Igor Shliperman"]  [Result "1-0"]  [ECO "A12"]  [EventType "swiss"]  [EventRounds "12"]  [EventCountry "USA"]  [SourceTitle "CL, Oct 1997"]  [SourceDate "2016.04.24"]  [SourceVersion "1"]  [SourceVersionDate "2016.04.24"]  [SourceQuality "1"]   1. Nf3 d5 2. c4 c6 3. b3 Bg4 4. g3 Nd7 5. Bg2 (5. Bb2 $1) 5... Bxf3 (5... e5 $1  $11) 6. Bxf3 dxc4 (6... d4 $5) 7. bxc4 Ne5 8. Bg2 (8. Nc3 $5) 8... Nxc4 9. Qb3  (9. O-O $44) 9... Nd6 (9... Na5 $1 $11) 10. O-O Nf6 11. Nc3 (11. a4 $5) 11...  e5 (11... e6 $1 12. e4 Nd7 $11) 12. Ba3 (12. Rb1 $1) 12... Rb8 (12... Qb6 $1  13. Qa4 $14) 13. Rab1 (13. Bc5 $1 a6 14. Rab1 $14) 13... Nd7 $6 (13... Qc7 14.  Rfc1 $14) 14. Rfd1 Qf6 (14... Nc8 15. Bb2 c5 16. Bd5 $16) 15. Qa4 (15. e3 $1  $16) 15... a6 $6 (15... Be7 16. d4 O-O 17. d5 Nb6 18. Qxa7 Nxd5 19. Bxd6 Qxd6  20. Bxd5 $16) 16. d4 exd4 $2 (16... Nb5 17. Ne4 $18) 17. Rxd4 Nb5 (17... Nf5 {  would prolong the game without changing the outcome}) 18. Re4+ Kd8 19. Nxb5  axb5 $2 (19... cxb5 {would also proling the game}) 20. Qa5+ b6 21. Qa7 Bxa3 22.  Rd1 Bd6 (22... Qd6 {avoids imminent checkmate and only prolongs Black's  suffering}) 23. Bh3 1-0  

  [Event "US Amateur Team East 2009"]  [White "Dmitry Schneider"]  [Black "Arthur Bisguier"]  [Result "1-0"]  [ECO "C77"]  [WhiteElo "2508"]  [BlackElo "2218"]  [Annotator "ATH"]  [PlyCount "79"]  [EventDate "2009.02.??"]  [EventType "team-swiss"]  [EventRounds "6"]  [EventCountry "USA"]  [SourceTitle "Unknown"]  [SourceDate "2009.03.03"]  [SourceVersionDate "2009.03.03"]   1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d3 d6 5. c3 g6 6. Nbd2 Bg7 7. Nf1 a6 8. Ba4  b5 9. Bb3 Na5 10. Bc2 c5 11. Bg5 Nc6 $146 (11... h6 12. Bh4 Be6 $11 {Al  Modiahki-Kobalia, Gibraltar 2006}) 12. Ne3 (12. Bb3 $5 Rb8 $11) 12... Ne7 $6 (  12... h6 13. Bh4 O-O $11) 13. a4 (13. Bb3 $1 $14) 13... Bb7 14. h4 $6 (14. Bb3  $1 $14) 14... Qd7 $6 (14... Nh5 15. Bb3 Qd7 $11) 15. axb5 (15. Bxf6 $1 Bxf6 16.  h5 $14) 15... axb5 16. Rxa8+ Bxa8 17. Bxf6 Bxf6 18. h5 d5 (18... O-O $5 $11)  19. Nd2 (19. d4 $1) 19... Bg5 (19... O-O) 20. hxg6 (20. Ng4 $5 $11) 20... fxg6  21. Qe2 (21. O-O O-O $11) 21... O-O 22. Nf3 Bf6 23. exd5 (23. Bb3 $5) 23...  Nxd5 24. Bb3 Rd8 25. Nd2 $6 (25. O-O Kg7 $11) 25... Kh8 $6 (25... c4 $1 26.  Nxd5 (26. dxc4 $2 Nf4 $19) 26... Qxd5 27. Nxc4 Kg7 $17) 26. Bxd5 (26. Ng4 $5)  26... Bxd5 27. Ne4 (27. f3 $5) 27... Bxe4 $2 (27... Be7 $11) 28. dxe4 c4 29.  Nd5 Bg5 $6 (29... Be7 30. Qf3 Ra8 (30... Rf8 $6 31. Rxh7+ $1 Kxh7 32. Qxf8 Bxf8  33. Nf6+ $16) 31. O-O $16) 30. O-O (30. Qf3 $1) 30... h5 $6 (30... Rf8 31. Ra1  $14) 31. Ra1 (31. Qf3 $1 $16) 31... Rf8 $6 (31... Kg7 32. Ra5 $14) 32. f3 Rf7  33. Qf2 h4 $2 (33... Kh7 34. Qb6 $16) 34. Ra6 (34. Qb6 $1 $18 {is even stronger  }) 34... Kh7 35. Qb6 Rg7 36. Ra8 $2 (36. Kh2 $1 $18) 36... Qb7 37. Rb8 $2 (37.  Qxb7 Rxb7 38. Kh2 Bc1 39. Kh3 Bxb2 (39... g5 40. Kg4 Kg6 41. Ra6+ $18) 40. Kxh4  Kh6 41. Kg4 $18) 37... Qf7 $2 (37... Qxb6+ 38. Rxb6 Kh6 39. Rxb5 Ra7 40. Kh2  $16) 38. Qc5 $2 (38. Qd6 $18) 38... h3 $2 (38... Qa7 39. Qxa7 Rxa7 40. Rxb5 $16  ) 39. Qc8 (39. Ra8 {is a lot stronger but, judging from the last few moves, I  imagine the players were in a terrible time scramble}) 39... Qa7+ $2 (39... Rg8  {would prolong the game beyond the time control without changing the outcome})  40. Kh2 1-0