[Event "New York"]  [Site "Marshall CC 1981"]  [White "Maxim Dlugy"]  [Black "Sunil Weeramantry"]  [Result "1-0"]  [ECO "A42"]  [Annotator "ATH"]  [PlyCount "61"]  [EventDate "1981.??.??"]  [EventRounds "15"]  [EventCountry "USA"]  [EventCategory "4"]  [SourceTitle "StarBase 4.56"]  [SourceDate "2004.11.04"]  [SourceVersion "1"]  [SourceVersionDate "2004.11.04"]  [SourceQuality "2"]   1. d4 g6 2. c4 Bg7 3. Nc3 d6 4. e4 Nc6 (4... e5 5. d5 a5 6. Bd3 Na6 7. a3 $14)  5. d5 Ne5 (5... Bxc3+ $1 6. bxc3 Na5 7. Bd3 $14) 6. f4 (6. Be2 e6 7. f4 Nd7 8.  dxe6 fxe6 9. Qc2 $14) 6... Nd7 7. Nf3 c6 (7... e5 $1 8. dxe6 fxe6 9. g3 $14) 8.  Be2 (8. Be3 $1 Bxc3+ 9. bxc3 Ngf6 10. Bd3 $16 {Luehrig-Fritsche, DESC email  2004}) 8... cxd5 (8... Nc5 $1 9. e5 $14) 9. cxd5 Qb6 10. Bd3 $6 (10. Nd2 Bxc3  11. bxc3 $14 {Kaczmarek-Vajas, ICCF email 2017}) 10... Nc5 11. Bb5+ $6 (11. Rb1  $14) 11... Kf8 (11... Bd7 $1 12. Bxd7+ Nxd7 $11) 12. e5 (12. Bd3 $5 Nxd3+ 13.  Qxd3 Bg4 $11) 12... Bg4 (12... a6 $5 13. Be3 axb5 14. b4 Ra3 15. Rc1 Qd8 16.  Qd2 Na6 (16... Nd7 $6 17. Nxb5 $2 $16) 17. Qb2 Rxc3 18. Qxc3 Bd7 $11) 13. Be3  dxe5 $2 (13... a6 14. Be2 (14. b4 axb5 $11) 14... Qxb2 $11) 14. fxe5 Bxe5 $2 (  14... Bxf3 15. Qxf3 Bxe5 16. O-O $16) 15. Nxe5 $1 Bxd1 16. Bxc5 Qc7 (16... Qa5  17. Rxd1 $18 {is a trivial improvement for Black. White has plenty of wood for  the queen.}) 17. Nd7+ Kg7 18. Rxd1 f6 19. O-O Qa5 $2 (19... Rd8 20. d6 $18 {  would prolong the game}) 20. Rf4 (20. d6 $1 {is the quick method}) 20... Rd8 $2  (20... h5 21. d6 $18 {is another way that Black could prolong his suffering})  21. Ra4 Qc7 ({Black's position is so bad that Stockfish recommends the  piece-down position after} 21... Qxb5 22. Nxb5 Rxd7 23. Rxa7 $18 {as  preferable to the game}) 22. d6 Qc8 $6 (22... exd6 23. Bxd6 Rxd7 (23... Qc8 24.  Rc4 {gets truly ugly}) 24. Bxd7 $18 (24. Bxc7 $18)) 23. dxe7 Rxd7 $2 (23... Re8  24. Rc4) 24. e8=N+ $1 Kh6 $2 (24... Qxe8 25. Rxd7+ $18 {prolongs the game but  why?}) 25. Be3+ $6 ({The quick method is} 25. Bf8+ Kg5 26. Rd5+ Rxd5 27. h4+  Kh5 (27... Kf5 28. Ng7+ Ke5 29. Re4#) 28. Ng7+ Kh6 29. Nf5+ Kh5 30. g4#) 25...  g5 26. Bxd7 Qb8 27. Nd6 (27. Re4 $1) 27... Kg6 (27... Kg7 {is better but who  cares?}) 28. Bf5+ (28. Bxa7 $1) 28... Kh5 (28... Kg7) 29. Nf7 Ne7 ({After}  29... Nh6 {, White needs twelve moves to checkmate Black}) 30. g4+ Kh4 31. Bf2+  1-0