[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