[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