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Classical Chess • A.I. level 1 vs BalkanUdo

BalkanUdo (1500) plays A.I. level 1 in a casual Classical (15+15) game of chess. BalkanUdo won by checkmate after 50 moves. Click to replay, analyse, and discuss the game!

B01 Scandinavian Defense

Stockfish AI level 1 (1350)
8Inaccuracies
6Mistakes
8Blunders
204Average centipawn loss
BalkanUdo (1500?)
8Inaccuracies
11Mistakes
7Blunders
186Average centipawn loss
[Event "Casual Classical game"] [Site "https://lichess.org/K9qkDtOc"] [Date "2018.12.03"] [Round "-"] [White "lichess AI level 1"] [Black "BalkanUdo"] [Result "0-1"] [UTCDate "2018.12.03"] [UTCTime "19:19:34"] [WhiteElo "?"] [BlackElo "1500"] [Variant "Standard"] [TimeControl "900+15"] [ECO "B01"] [Opening "Scandinavian Defense"] [Termination "Normal"] [Annotator "lichess.org"] 1. e4 { [%eval 0.12] } 1... d5 { [%eval 0.6] } { B01 Scandinavian Defense } 2. Qf3?! { (0.60 → -0.39) Inaccuracy. Best move was exd5. } { [%eval -0.39] } (2. exd5 Qxd5 3. Nc3 Qd6 4. Nf3 Nf6 5. d4 Nc6 6. Nb5 Qd8) 2... Nf6?! { (-0.39 → 0.26) Inaccuracy. Best move was dxe4. } { [%eval 0.26] } (2... dxe4 3. Qxe4 Nf6 4. Qe3 Bf5 5. Qb3 e6 6. Nf3 Nbd7 7. Be2) 3. d3?! { (0.26 → -0.69) Inaccuracy. Best move was e5. } { [%eval -0.69] } (3. e5 Ng8 4. d4 e6 5. Qe3 c5 6. c3 Nc6 7. dxc5 d4) 3... Nc6 { [%eval -0.51] } 4. a3? { (-0.51 → -1.74) Mistake. Best move was exd5. } { [%eval -1.74] } (4. exd5 Nxd5 5. Qd1 e5 6. Nf3 Bb4+ 7. c3 Be7 8. c4 Bb4+) 4... Bg4 { [%eval -1.62] } 5. Nd2?? { (-1.62 → -10.09) Blunder. Best move was Qe3. } { [%eval -10.09] } (5. Qe3) 5... Bxf3? { (-10.09 → -8.38) Mistake. Best move was Nd4. } { [%eval -8.38] } (5... Nd4) 6. Ngxf3 { [%eval -8.36] } 6... e5 { [%eval -8.38] } 7. g3 { [%eval -8.45] } 7... dxe4 { [%eval -8.27] } 8. dxe4 { [%eval -8.33] } 8... Bb4? { (-8.33 → -6.63) Mistake. Best move was Nd7. } { [%eval -6.63] } (8... Nd7 9. Bb5 a6 10. Bc4 Bd6 11. O-O f6 12. Kg2 Ne7 13. Nb3 b5 14. Be2 c6 15. Bd3) 9. axb4 { [%eval -6.49] } 9... Nxb4 { [%eval -6.16] } 10. Ra4? { (-6.16 → -7.46) Mistake. Best move was Bb5+. } { [%eval -7.46] } (10. Bb5+ c6) 10... O-O?? { (-7.46 → -0.63) Blunder. Best move was Nxc2+. } { [%eval -0.63] } (10... Nxc2+ 11. Kd1 Nd4 12. Nxd4 exd4 13. f3 O-O 14. Bd3 c5 15. b4 Nd7 16. Ke2 a6 17. bxc5) 11. c3?? { (-0.63 → -7.62) Blunder. Best move was Rxb4. } { [%eval -7.62] } (11. Rxb4 b6 12. Rb5 c5 13. Rb3 Qc7 14. Ba6 Ne8 15. O-O Rd8 16. Nc4 f6 17. Nfd2 Qc6) 11... Nc2+? { (-7.62 → -4.65) Mistake. Best move was Nd3+. } { [%eval -4.65] } (11... Nd3+ 12. Bxd3 Qxd3 13. Ra3 Nxe4 14. c4 Qc2 15. O-O Rfd8 16. h3 Nc5 17. Rc3 Qf5 18. Re1) 12. Kd1 { [%eval -4.64] } 12... Nd4? { (-4.64 → -2.01) Mistake. Best move was Qd7. } { [%eval -2.01] } (12... Qd7 13. Ra5 b6 14. Rxe5 Na1 15. Bc4 c5 16. Ke2 Rae8 17. h3 b5 18. Ba2 Rxe5 19. Nxe5) 13. Ne1?? { (-2.01 → -7.49) Blunder. Best move was cxd4. } { [%eval -7.49] } (13. cxd4 Qe8 14. Rc4 exd4 15. Bd3 Qe7 16. b3 b6 17. Bb2 c5 18. b4 Rac8 19. bxc5 bxc5) 13... Nc6? { (-7.49 → -6.46) Mistake. Best move was Nb3. } { [%eval -6.46] } (13... Nb3) 14. Kc2 { [%eval -6.69] } 14... Nxe4?? { (-6.69 → -2.35) Blunder. Best move was Qd6. } { [%eval -2.35] } (14... Qd6 15. f3 Rfd8 16. Nd3 b5 17. Ra1 a5 18. Be2 a4 19. Rf1 Nd7 20. f4 Nc5 21. fxe5) 15. Nxe4 { [%eval -2.7] } 15... Qf6?? { (-2.70 → 10.99) Blunder. Best move was Qd7. } { [%eval 10.99] } (15... Qd7 16. Kb1) 16. Be3?? { (10.99 → -2.21) Blunder. Best move was Nxf6+. } { [%eval -2.21] } (16. Nxf6+ gxf6 17. Bh6 f5 18. Bxf8 Kxf8 19. Bh3 Ne7 20. Ng2 a5 21. Ne3 b5 22. Rh4 Ra6) 16... Rad8?? { (-2.21 → 10.95) Blunder. Best move was Qe6. } { [%eval 10.95] } (16... Qe6 17. b3) 17. Rxa7?? { (10.95 → -7.99) Blunder. Best move was Nxf6+. } { [%eval -7.99] } (17. Nxf6+) 17... Nxa7?? { (-7.99 → 6.82) Blunder. Best move was Qf5. } { [%eval 6.82] } (17... Qf5 18. f3) 18. Nd3?? { (6.82 → -12.04) Blunder. Best move was Nxf6+. } { [%eval -12.04] } (18. Nxf6+) 18... Qc6?! { (-12.04 → -9.39) Inaccuracy. Best move was Qf3. } { [%eval -9.39] } (18... Qf3) 19. f3 { [%eval -9.24] } 19... f5?! { (-9.24 → -8.33) Inaccuracy. Best move was Qa4+. } { [%eval -8.33] } (19... Qa4+) 20. Nef2 { [%eval -8.54] } 20... Qa4+ { [%eval -8.49] } 21. Kc1?! { (-8.49 → -9.17) Inaccuracy. Best move was b3. } { [%eval -9.17] } (21. b3) 21... Nb5? { (-9.17 → -7.94) Mistake. Best move was Nc6. } { [%eval -7.94] } (21... Nc6 22. Be2) 22. h4? { (-7.94 → -10.17) Mistake. Best move was Nc5. } { [%eval -10.17] } (22. Nc5 Qa5 23. Bc4+ Kh8 24. Nxb7 Qa4 25. Bxb5 Qxb5 26. Nxd8 Qe2 27. Bc5 Rxd8 28. Rd1 Rxd1+) 22... Qa2? { (-10.17 → -8.71) Mistake. Best move was f4. } { [%eval -8.71] } (22... f4 23. gxf4) 23. Nxe5 { [%eval -8.78] } 23... Ra8?? { (-8.78 → 2.25) Blunder. Best move was Nd6. } { [%eval 2.25] } (23... Nd6 24. Bd3 Ra8 25. Bb1 Qb3 26. Nfd3 Rfe8 27. Rg1 Ra1 28. Kd2 Qd5 29. f4 Qb3 30. Rd1) 24. Bd3?? { (2.25 → -8.80) Blunder. Best move was Bc4+. } { [%eval -8.8] } (24. Bc4+ Qxc4 25. Nxc4 Rfe8 26. Nd1 Ra4 27. Nd2 Ra1+ 28. Nb1 Nd6 29. Kc2 b5 30. Bf4 Nc4) 24... Qa1+?! { (-8.80 → -8.06) Inaccuracy. Best move was Nd6. } { [%eval -8.06] } (24... Nd6) 25. Bb1? { (-8.06 → -13.96) Mistake. Best move was Kc2. } { [%eval -13.96] } (25. Kc2 Qa4+) 25... Nd6? { (-13.96 → -7.98) Mistake. Best move was Na3. } { [%eval -7.98] } (25... Na3 26. bxa3 Qxc3+ 27. Kd1 Qxe5 28. Bc1 Rfe8 29. Bd3 Qxg3 30. Bc4+ Kh8 31. Rf1 Qxf3+ 32. Kc2) 26. Rd1?! { (-7.98 → -8.79) Inaccuracy. Best move was Nfd3. } { [%eval -8.79] } (26. Nfd3) 26... f4? { (-8.79 → -6.84) Mistake. Best move was Rfe8. } { [%eval -6.84] } (26... Rfe8) 27. Bxf4 { [%eval -6.61] } 27... Nf5? { (-6.61 → -5.49) Mistake. Best move was Rfe8. } { [%eval -5.49] } (27... Rfe8 28. Nfd3 Qa5 29. Bc2 Qd5 30. Kb1 Qa2+ 31. Kc1 Nc4 32. Nxc4 Qxc4 33. Kb1 Qa2+ 34. Kc1) 28. Ne4? { (-5.49 → -6.67) Mistake. Best move was Nfd3. } { [%eval -6.67] } (28. Nfd3 Nd6) 28... Nxg3?? { (-6.67 → -2.22) Blunder. Best move was Nxh4. } { [%eval -2.22] } (28... Nxh4 29. Nc5) 29. Be3?? { (-2.22 → -9.75) Blunder. Best move was Bxg3. } { [%eval -9.75] } (29. Bxg3 Rfd8) 29... Nxe4 { [%eval -9.39] } 30. Rd7?! { (-9.39 → -21.25) Inaccuracy. Best move was fxe4. } { [%eval -21.25] } (30. fxe4 Rae8 31. Bd4 c5 32. Bxc5 Rxe5 33. Bxf8 Kxf8 34. Re1 Rb5 35. Re2 Rh5 36. Rh2 Qa7) 30... Nxc3 { [%eval -19.85] } 31. Kd2?! { (-19.85 → Mate in 10) Checkmate is now unavoidable. Best move was Kc2. } { [%eval #-10] } (31. Kc2 Nxb1) 31... Nxb1+?! { (Mate in 10 → -25.34) Lost forced checkmate sequence. Best move was Qxb2+. } { [%eval -25.34] } (31... Qxb2+ 32. Bc2 Ra2 33. Ke1 Qxc2 34. Rd2 Qc1+ 35. Kf2 Rxd2+ 36. Bxd2 Qxd2+ 37. Kg3 Ne2+ 38. Kf2) 32. Kd3?! { (-25.34 → Mate in 9) Checkmate is now unavoidable. Best move was Kc2. } { [%eval #-9] } (32. Kc2 Na3+) 32... Qxb2 { [%eval #-8] } 33. Rd5 { [%eval #-5] } 33... Rad8?! { (Mate in 5 → Mate in 8) Not the best checkmate sequence. Best move was Ra3+. } { [%eval #-8] } (33... Ra3+ 34. Ke4 Nc3+ 35. Kd4 Ne2+ 36. Kc5 Qb6+ 37. Kc4 Rc3#) 34. Rxd8 { [%eval #-8] } 34... Rxd8+ { [%eval #-7] } 35. Ke4 { [%eval #-7] } 35... Re8 { [%eval #-7] } 36. Bd4 { [%eval #-8] } 36... Nd2+ { [%eval #-7] } 37. Kd3 { [%eval #-7] } 37... Nxf3?! { (Mate in 7 → -22.67) Lost forced checkmate sequence. Best move was Rd8. } { [%eval -22.67] } (37... Rd8 38. Ke2 Qxd4 39. f4 Qg1 40. f5 Qf1+ 41. Ke3 Qe1+ 42. Kf4 Rd4+ 43. Kg5 Qxh4#) 38. Bxb2 { [%eval -19.17] } 38... Rxe5? { (-19.17 → -8.95) Mistake. Best move was Nxe5+. } { [%eval -8.95] } (38... Nxe5+) 39. Bc3? { (-8.95 → -11.22) Mistake. Best move was Bxe5. } { [%eval -11.22] } (39. Bxe5 Nxe5+) 39... Re7 { [%eval -10.46] } 40. Bd4?! { (-10.46 → Mate in 13) Checkmate is now unavoidable. Best move was h5. } { [%eval #-13] } (40. h5 Rf7 41. Ba5 Ng5 42. h6 gxh6 43. Bd2 Rf5 44. Be3 b5 45. Bd2 h5 46. Ba5 c5) 40... Rd7 { [%eval #-12] } 41. h5 { [%eval #-11] } 41... b5 { [%eval #-10] } 42. Kc3 { [%eval #-10] } 42... Rxd4 { [%eval #-9] } 43. Kc2 { [%eval #-9] } 43... Ra4 { [%eval #-9] } 44. Kc1 { [%eval #-8] } 44... b4 { [%eval #-10] } 45. Kb1 { [%eval #-10] } 45... b3 { [%eval #-9] } 46. Kc1 { [%eval #-5] } 46... Rb4?! { (Mate in 5 → Mate in 7) Not the best checkmate sequence. Best move was Ra2. } { [%eval #-7] } (46... Ra2 47. Kd1 Rc2 48. h6 Nd4 49. hxg7 b2 50. Ke1 b1=Q#) 47. Kd1 { [%eval #-6] } 47... b2 { [%eval #-5] } 48. Kc2 { [%eval #-2] } 48... b1=Q+ { [%eval #-1] } 49. Kc3 { [%eval #-1] } 49... Qb3# { Black wins by checkmate. } 0-1