[Event "Quebec Carnaval 1993"]  [White "Danny Kopec"]  [Black "Jean Hebert"]  [Result "1-0"]  [ECO "B30"]  [WhiteElo "2376"]  [BlackElo "2488"]  [Annotator "ATH"]  [PlyCount "89"]  [EventDate "1993.02.05"]  [EventType "swiss"]  [EventRounds "5"]  [EventCountry "CAN"]   1. e4 c5 2. Nf3 Nc6 3. Bd3 {The "Kopec System," which does not merit a mention  in either ECO or MCO. Nonetheless, it's quite playable and should lead to  equality. Kopec did have the advantage of having analyzed its intricacies more  thoroughly than any of his opponents could have.} g6 ({Stockfish thinks that}  3... e6 {is best but only by a tenth of a pawn over 3. ... g6}) 4. c3 {The  point of the Kopec System is to develop the bishop to c2.} ({Nonetheless,  Stockfish prefers} 4. O-O) ({as well as abandoning the whole idea of the Kopec  System, losing a tempo, and playing} 4. Bb5) 4... Bg7 5. Bc2 ({Again,  Stockfish prefers} 5. Bb5) 5... d5 6. d3 $6 (6. O-O dxe4 7. Bxe4 Qc7 $11) 6...  e5 $6 (6... dxe4 7. dxe4 Qxd1+ 8. Bxd1 $11 {Balogh-Resika, Budapest 2018}) 7.  Qe2 $2 (7. exd5 Qxd5 8. Bb3 $14 {Saint Amand-Pineault, Quebec 1980}) 7... Nge7  8. O-O O-O 9. Nbd2 ({Stockfish thins} 9. Re1 $15 {is a wee bit better}) 9... h6  (9... b6 $1 $15) 10. exd5 $6 (10. Re1 Qc7 $15) 10... Nxd5 11. Nc4 Re8 12. Re1  Bg4 $6 ({Better is} 12... Qc7 $15) 13. Ba4 Re6 $6 ({Stockfish doesn't think  the bishop belonged on g4 in the first place and recommends} 13... Bd7) 14.  Bxc6 (14. Qd1 $1 Nf4 15. Bxc6 bxc6 (15... Rxc6 16. h3 Bxf3 17. Qxf3 Qxd3 18.  Nxe5 Bxe5 19. Rxe5 Qxf3 20. gxf3 Nd3 21. Rd5 Nxc1 22. Rxc1 $11) 16. Bxf4 exf4  17. Rxe6 Bxe6 18. Qe2 Qd5 $11) 14... bxc6 (14... Rxc6 $1 15. h3 Bxf3 16. Qxf3  Re6 $15) 15. h3 Nf4 (15... Bf5 $1 $15) 16. Bxf4 exf4 17. Qd2 Bxf3 18. gxf3  Rxe1+ 19. Rxe1 g5 20. Kg2 Qd5 (20... Bf6 $11) 21. Re7 Bf6 $6 (21... Bf8 22. Re5  Qd7 23. Qe2 $14) 22. Rb7 $2 (22. Rc7 Kf8 23. Qd1 h5 24. Qa4 $16) 22... Qe6 23.  Qc2 a5 $2 (23... h5 24. Qb3 Rf8 25. Rb8 (25. Rxa7 $4 Qe2 $19) 25... Qd5 26.  Rxf8+ Kxf8 $11) 24. a4 $2 (24. Qa4 $1 Kg7 25. Nb6 Re8 26. Qe4 Re7 27. Qxe6 Rxe6  28. Nc4 $16) 24... h5 25. Qb3 Rd8 $2 (25... Rf8 $1 $11) 26. Rb8 Qd5 $2 (26...  Rxb8 27. Qxb8+ Kg7 28. Qc7 $16) 27. Nxa5 c4 28. Nxc4 g4 {Black is just down  two pawns and his kingside attack is going nowhere} 29. Rxd8+ Bxd8 30. hxg4  hxg4 31. Qd1 f5 ({Stockfish prefers} 31... c5 {but not by much. Black is  busted.}) 32. Qe2 (32. b4 $1 {is even stronger}) 32... Kh7 (32... Kf8 {is a  lot better but not enough to matter}) 33. Ne5 $2 {White is still winning but  this move throws away most of his advantage} ({Simply} 33. a5 {and the fat  lady begins to sing}) 33... Bf6 34. Nc4 Kh6 ({Until it's actually played,  Stockfish gives} 34... Bd8 {as equal, apparently thinking that a two-fold  repetition suffices to draw.}) 35. a5 Qg8 (35... Kg5 {is better but not nearly  good enough}) 36. Kf1 (36. fxg4 $1 fxg4 37. Qe4 {is even stronger}) 36... Qg5 (  36... g3 {prolongs Black's death throes}) 37. fxg4 (37. a6 Qh4 38. Qe6 Qh1+ 39.  Ke2 Qxf3+ 40. Ke1 Qh1+ 41. Kd2 {seals Black's fate even quicker}) 37... fxg4  38. f3 $2 {Letting Black back into the game. Presumably, time pressure was  involved on both sides.} ({Again,} 38. a6 {is the quick method}) 38... Qh4 $2 {  Black declines to get back into the game.} (38... Qh5 $1 39. Kg1 gxf3 40. Qh2  f2+ 41. Qxf2 Qd1+ 42. Qf1 Qg4+ 43. Qg2 Qd1+ 44. Kh2 Qh5+ 45. Qh3 Bh4 46. Nd2  Qe2+ 47. Qg2 Bg3+ 48. Kh1 Qxd3 49. Nf1 {and while White is still winning (+1.  86 after 25 ply according to Stockfish), he still has work to do}) 39. Qg2 g3  40. a6 Kg6 (40... Kg7 {is a vast (but insufficient) improvement}) 41. a7 Qh8  42. Nb6 Qd8 43. Qe2 $6 (43. d4 {is mate in 25}) 43... Qh8 44. Kg1 Bd8 45. Nc8  1-0