Disreputable Sicilian Defense: O'Kelly Variation, Yerevan System
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Computer Analysis
[Event "Casual correspondence game"]
[Site "https://lichess.org/NPTsTKSk"]
[Date "2025.04.29"]
[White "Hichammaverick"]
[Black "johnpaul999"]
[Result "0-1"]
[GameId "NPTsTKSk"]
[UTCDate "2025.04.29"]
[UTCTime "19:53:08"]
[WhiteElo "1500"]
[BlackElo "1966"]
[Variant "Standard"]
[TimeControl "-"]
[ECO "B28"]
[Opening "Sicilian Defense: O'Kelly Variation, Yerevan System"]
[Termination "Normal"]
[Annotator "lichess.org"]
1. e4 { [%eval 0.18] } 1... c5 { [%eval 0.25] } 2. Nf3 { [%eval 0.2] } 2... a6 { [%eval 0.47] } 3. Nc3 { [%eval 0.16] } { B28 Sicilian Defense: O'Kelly Variation, Yerevan System } 3... h6 { [%eval 0.46] } 4. Bc4 { [%eval 0.21] } 4... e6 { [%eval 0.18] } 5. Ne5?! { (0.18 → -0.59) Inaccuracy. d4 was best. } { [%eval -0.59] } (5. d4 b5 6. Bd3 Bb7 7. O-O cxd4 8. Nxd4 Nc6 9. Nxc6 Bxc6) 5... d6 { [%eval -0.74] } 6. Ng4 { [%eval -0.9] } 6... Qc7?! { (-0.90 → -0.29) Inaccuracy. b5 was best. } { [%eval -0.29] } (6... b5 7. Be2 Bb7 8. O-O Qc7 9. d3 Nc6 10. f4 h5 11. Nf2 O-O-O 12. f5) 7. O-O?! { (-0.29 → -1.02) Inaccuracy. a4 was best. } { [%eval -1.02] } (7. a4 Nc6) 7... Nd7?? { (-1.02 → 0.64) Blunder. b5 was best. } { [%eval 0.64] } (7... b5 8. Be2 Bb7 9. d3 Nc6 10. Ne3 Nf6 11. Ng4 Nh7 12. Ne3 g6 13. Re1) 8. d3?! { (0.64 → -0.34) Inaccuracy. a4 was best. } { [%eval -0.34] } (8. a4) 8... b5 { [%eval -0.18] } 9. Bb3 { [%eval -0.23] } 9... Bb7 { [%eval -0.21] } 10. Bf4?! { (-0.21 → -1.02) Inaccuracy. a4 was best. } { [%eval -1.02] } (10. a4) 10... g6?! { (-1.02 → -0.33) Inaccuracy. h5 was best. } { [%eval -0.33] } (10... h5) 11. Qe1 { [%eval -0.64] } 11... Bg7 { [%eval -0.73] } 12. e5?? { (-0.73 → -2.66) Blunder. Rd1 was best. } { [%eval -2.66] } (12. Rd1 Ne7 13. h3 g5 14. Bg3 h5 15. Ne3 g4 16. h4 Ne5 17. a4 Qd7) 12... dxe5 { [%eval -2.53] } 13. Be3? { (-2.53 → -4.46) Mistake. Bd2 was best. } { [%eval -4.46] } (13. Bd2 Ne7 14. f3 f5 15. Ne3 Qb6 16. a4 O-O 17. Qh4 g5 18. Qf2 f4) 13... Rd8? { (-4.46 → -2.41) Mistake. h5 was best. } { [%eval -2.41] } (13... h5 14. f3 hxg4 15. fxg4 e4 16. h3 Be5 17. Nxe4 Bxe4 18. dxe4 c4 19. Rd1) 14. f3 { [%eval -2.3] } 14... Nf8? { (-2.30 → -1.09) Mistake. Ne7 was best. } { [%eval -1.09] } (14... Ne7 15. Ne4 f5 16. Bxe6 Qc6 17. Bxd7+ Rxd7 18. Nxe5 Bxe5 19. Nxc5 Rc7 20. a4) 15. a4 { [%eval -0.94] } 15... c4? { (-0.94 → 0.36) Mistake. b4 was best. } { [%eval 0.36] } (15... b4 16. Ne4 Nd7 17. a5 h5 18. Ngf2 Ne7 19. Ba4 Bc6 20. Nxc5 Nxc5 21. Bxc5) 16. Ba2 { [%eval 0.25] } 16... f5? { (0.25 → 1.73) Mistake. b4 was best. } { [%eval 1.73] } (16... b4 17. Ne4) 17. Nf2?? { (1.73 → -0.44) Blunder. axb5 was best. } { [%eval -0.44] } (17. axb5 cxd3 18. Nf2 e4 19. fxe4 dxc2 20. Qe2 f4 21. Ba7 Bxc3 22. bxc3 Rh7) 17... Ne7?? { (-0.44 → 2.00) Blunder. b4 was best. } { [%eval 2.0] } (17... b4 18. Ncd1) 18. axb5 { [%eval 1.82] } 18... cxd3?! { (1.82 → 2.78) Inaccuracy. f4 was best. } { [%eval 2.78] } (18... f4) 19. Nxd3 { [%eval 2.88] } 19... Nd5 { [%eval 3.18] } 20. Ba7?? { (3.18 → 0.32) Blunder. Nxd5 was best. } { [%eval 0.32] } (20. Nxd5 exd5 21. bxa6 Bxa6 22. Bxd5 Bxd3 23. Ra7 Qxa7 24. Bxa7 Rxd5 25. cxd3 Kf7) 20... Kf7?? { (0.32 → 2.25) Blunder. Nxc3 was best. } { [%eval 2.25] } (20... Nxc3) 21. Na4?? { (2.25 → 0.27) Blunder. Nxd5 was best. } { [%eval 0.27] } (21. Nxd5) 21... Nd7 { [%eval 0.81] } 22. c3?? { (0.81 → -1.98) Blunder. c4 was best. } { [%eval -1.98] } (22. c4 Nf4 23. Nxf4 exf4 24. Rd1 Rhe8 25. Bf2 g5 26. Qe2 axb5 27. cxb5 Qe5) 22... Rhe8? { (-1.98 → -0.70) Mistake. axb5 was best. } { [%eval -0.7] } (22... axb5 23. Nac5 Nxc5 24. Nxc5 Ra8 25. Qf2 Rxa7 26. Bxd5 Bxd5 27. Nxe6 Kxe6 28. Rxa7) 23. f4?? { (-0.70 → -2.99) Blunder. c4 was best. } { [%eval -2.99] } (23. c4) 23... e4 { [%eval -2.49] } 24. Ne5+ { [%eval -3.17] } 24... Nxe5 { [%eval -3.24] } 25. fxe5 { [%eval -3.05] } 25... Qxe5? { (-3.05 → -1.61) Mistake. axb5 was best. } { [%eval -1.61] } (25... axb5 26. Nc5 Bxe5 27. Bb3 Nf6 28. Nxb7 Ra8 29. Qh4 Qxb7 30. Be3 b4 31. Rxa8) 26. Nc5 { [%eval -2.22] } 26... Bc8?? { (-2.22 → -0.37) Blunder. Qc7 was best. } { [%eval -0.37] } (26... Qc7 27. Nxe4 Kg8 28. Qg3 fxe4 29. Qxg6 axb5 30. Bd4 Re7 31. Rad1 Qc6 32. Qxe4) 27. c4?? { (-0.37 → -3.38) Blunder. Nxa6 was best. } { [%eval -3.38] } (27. Nxa6 Nf6 28. Bc4 Ng4 29. g3 Bb7 30. Nc5 Qc7 31. Nxb7 Qxb7 32. Bc5 Kg8) 27... Nf4 { [%eval -3.23] } 28. Bb6?! { (-3.23 → -4.61) Inaccuracy. Qf2 was best. } { [%eval -4.61] } (28. Qf2 Re7) 28... Rd6 { [%eval -4.22] } 29. Qa5? { (-4.22 → -9.09) Mistake. Rd1 was best. } { [%eval -9.09] } (29. Rd1 Rxb6 30. Nxe4 Qxe4 31. Qxe4 fxe4 32. Rxf4+ Ke7 33. Bb1 g5 34. c5 Rxb5) 29... Nd3?? { (-9.09 → -2.76) Blunder. Qxb2 was best. } { [%eval -2.76] } (29... Qxb2 30. Rxf4 Qxa1+ 31. Bb1 Qxb1+ 32. Kf2 Qb2+ 33. Kg3 e5 34. Kh3 exf4 35. Bd8) 30. bxa6?! { (-2.76 → -4.01) Inaccuracy. Nxd3 was best. } { [%eval -4.01] } (30. Nxd3 Rxd3 31. Bb1 Rb3 32. Rd1 Re7 33. Kh1 e3 34. Bc2 Rxb2 35. Bd4 Qxd4) 30... Nxc5 { [%eval -3.31] } 31. a7?! { (-3.31 → -4.49) Inaccuracy. Qxc5 was best. } { [%eval -4.49] } (31. Qxc5 Qxc5+ 32. Bxc5 Rxa6 33. Bb3 Bxb2 34. Rxa6 Bxa6 35. Rd1 Rc8 36. Rd7+ Kg8) 31... Bb7?? { (-4.49 → -0.76) Blunder. Rxb6 was best. } { [%eval -0.76] } (31... Rxb6 32. Qxb6 Bb7 33. Rfe1 Qxb2 34. Qxb2 Bxb2 35. Rab1 Bd4+ 36. Kf1 Ra8 37. Red1) 32. Bc7?? { (-0.76 → -5.64) Blunder. Qxc5 was best. } { [%eval -5.64] } (32. Qxc5 Rxb6) 32... Qd4+ { [%eval -5.28] } 33. Rf2 { [%eval -6.51] } 33... Ra6 { [%eval -6.37] } 34. Qb5 { [%eval -6.81] } 34... Rc8 { [%eval -6.81] } 35. Bb6 { [%eval -6.57] } 35... Rxb6 { [%eval -6.61] } 36. Qxb6 { [%eval -5.79] } 36... Nd3?! { (-5.79 → -4.40) Inaccuracy. e3 was best. } { [%eval -4.4] } (36... e3 37. Re2 Be5 38. Bb3 Ba8 39. Rd1 Qf4 40. g3 Qe4 41. Rd5 exd5 42. Bc2) 37. Qxb7+ { [%eval -4.41] } 37... Kf6 { [%eval -3.99] } 38. Rf1 { [%eval -3.67] } 38... Qc5?? { (-3.67 → 3.73) Blunder. Nxf2 was best. } { [%eval 3.73] } (38... Nxf2) 39. a8=Q?! { (3.73 → 2.47) Inaccuracy. b4 was best. } { [%eval 2.47] } (39. b4 Nxb4 40. Bb1 e3 41. Re2 h5 42. a8=Q Rxa8 43. Qxa8 Nc6 44. Kh1 Ne5) 39... Rxa8 { [%eval 2.23] } 40. Qxa8 { [%eval 2.35] } 40... Kg5? { (2.35 → 4.65) Mistake. Qd4 was best. } { [%eval 4.65] } (40... Qd4 41. Qa5) 41. g3?! { (4.65 → 3.02) Inaccuracy. Qd8+ was best. } { [%eval 3.02] } (41. Qd8+ Kg4 42. g3 g5 43. Qe8 Qf8 44. h3+ Kxg3 45. Rg2+ Kh4 46. Qxe6 Bd4+) 41... Nxf2 { [%eval 3.05] } 42. Qd8+?? { (3.05 → -2.34) Blunder. Rxf2 was best. } { [%eval -2.34] } (42. Rxf2 h5 43. Kg2 Kh6 44. Qa3 Qc6 45. Qe3+ Kh7 46. Bb1 Qxc4 47. Rc2 Qd5) 42... Bf6 { [%eval -2.41] } 43. h4+ { [%eval -3.05] } 43... Kh5 { [%eval -2.61] } 44. Qxf6?? { (-2.61 → -7.93) Blunder. Qd2 was best. } { [%eval -7.93] } (44. Qd2 Ng4+ 45. Kh1 Qc7 46. Rg1 e3 47. Qe2 Qb7+ 48. Rg2 Be5 49. Kg1 Qc7) 44... Ng4+ { [%eval -7.02] } 45. Rf2? { (-7.02 → Mate in 2) Checkmate is now unavoidable. Kg2 was best. } { [%eval #-2] } { White resigns. } (45. Kg2 Nxf6 46. Bb3 Ng4 47. Bd1 Qe3 48. Rh1 Qd2+ 49. Kh3 g5 50. c5 Kg6) 0-1
https://lichess.org/NPTsTKSkkmj8
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