[Event "Import"] [Site "https://lichess.org/Oz0E0Bke"] [Date "2019.01.04"] [Round "-"] [White "Jtrot79 (1237)"] [Black "alexJga10 (1589)"] [Result "1-0"] [TimeControl "-"] [Termination "Unknown"] [Variant "Standard"] [ECO "D85"] [Opening "Grünfeld Defense: Exchange Variation"] [Annotator "https://lichess.org/@/Locke79"] [Source "https://lichess.org/study/mFYA2gIK/riRTckgL"] [Orientation "white"] 1. d4 { [%eval 0.08] } 1... g6 { [%eval 0.37] } 2. c4 { [%eval 0.46] } 2... Nf6 { [%eval 0.07] } 3. Nc3 { [%eval 0.21] } { At this point we have the Kings Indian Defense which was running rampant in the tournament, I expected this game to be no different. } 3... d5 { [%eval 0.29] } { Transposition to the Grunfeld, it looks exactly like the Marshall which is classified by the Knight having to recapture the d5 pawn once cxd5. The only difference here is the g6 pawn but the lack of Bg7 means it's fine to exchange, there won't be two attackers on d4. } { [%cal Gc4d5,Gf6d5,Gf8g7] } 4. cxd5 { [%eval 0.3] } 4... Nxd5 { [%eval 0.14] } 5. e4 { [%eval 0.24] } { Here we have the position I know so well, having to capture with the Knight and then having to move it again as White grabs the center is terrible for Black } 5... Nb6?! { [%eval 0.85] } { Inaccuracy. Best move was Nxc3. } (5... Nxc3 6. bxc3 { This is the best option Black has, it still gives White complete central control and if Black isn't sure how to oppose it White will be comfortable. } 6... Bg7 7. Nf3 c5 8. Be3 O-O 9. Rc1 Qa5 10. Qd2) 6. Nf3 { [%eval 0.46] } { It's hard for Black to play anything at this point, White has so much control over the center. } { [%cal Gd4c5,Gd4e5,Ge4d5,Ge4f5,Gf3e5,Gf3g5,Gc3d5,Gc3b5] } 6... Bg7 { [%eval 0.57] } 7. Bd3?! { [%eval -0.01] } { Inaccuracy. Best move was h3. } (7. h3 O-O 8. Be3 Nc6 9. Bb5 f5 10. Bxc6 bxc6 11. Qb3+ e6) 7... O-O { [%eval 0.17] } 8. Be3 { [%eval 0.25] } { This is my go to structure when playing against someone who doesn't seem to know the opening very well, everything has a place and is defended by something twice usually. } 8... Nc6 { [%eval 0.67] } 9. d5 { [%eval 0.43] } 9... Nb4 { [%eval 0.56] } 10. Bxb6? { [%eval -0.64] } { Mistake. Best move was Bb1. } { The computer says this is a mistake by .6 but I enjoy giving Black doubled pawns and removing the b6 and Bb7 ability. } (10. Bb1 Bg4 11. a3 Na6 12. Ba2 c6 13. dxc6 Qxd1+ 14. Nxd1 bxc6 15. Rc1 Bd7 16. Nc3 Rad8) 10... axb6 { [%eval -0.67] } 11. a3 { [%eval -0.51] } 11... Bxc3+ { [%eval -0.38] } 12. bxc3 { [%eval -0.24] } { Strengthening my center, the isloated pawn on the a file is okay since it helps control any pushing Black might have in mind with the b pawn. } 12... Nxd5 { [%eval 2.0] } { This is just a mistake, I'm not sure what the plan was. Literally any Knight move besides this one would have been better. } { [%cal Gb4a6,Gb4d3,Gb4c6] } 13. exd5 { [%eval 2.04] } 13... Qxd5 { [%eval 2.04] } 14. O-O { [%eval 2.26] } 14... Bg4 { [%eval 2.42] } 15. Be2 { [%eval 2.27] } { Being up a pieces against a higher rated player, I was looking to play solid and swap off the rest of the pieces to an end game I would win } 15... Qc5 { [%eval 2.4] } { Black wasn't interested in that, I didn't expect any less. } 16. h3 { [%eval 2.12] } 16... Bf5 { [%eval 2.42] } 17. Qb3 { [%eval 2.14] } { This is the best move and it's an important position, Black has a lot of threats. } { [%csl Re2][%cal Gc5c3,Gc5a3,Ga8a3] } 17... Be6 { [%eval 2.38] } 18. Qb2 { [%eval 2.39] } { Keeping control over the a and c pawns while defending the Bishop that was hanging. } { [%csl Ge2][%cal Gb2c3,Gb2a3,Gb2e2] } 18... f6 { [%eval 2.65] } { This is slightly inaccurate, Black is giving his Bishop a place to hide but it was never under threat. Rfd8 would have been better, taking control of the open file. } { [%cal Gf8d8] } (18... Rfd8 19. Rfe1 f6) 19. Rfd1 { [%eval 2.31] } { Since Black didn't take the file, I do. I'm still welcoming trade at this point, if he plays Rd8 I'll swap them off. } 19... h5?! { [%eval 2.93] } { Inaccuracy. Best move was Rfd8. } { This kind of thing is normal in a blitz game, attack the King and put the opponent on the spot to defend. } (19... Rfd8) 20. Nd4 { [%eval 2.57] [%cal Gd4e6,Gd4c7] } 20... Bd7 { [%eval 4.77] } 21. Qb4? { [%eval 2.91] } { Mistake. Best move was Nb3. } { Still wanting those trade, Black has to find a place to go if they don't want to trade. } (21. Nb3 Qc6) (21. Qb3+ Kg7) 21... Qe5?? { [%eval 9.67] } { Blunder. Best move was Kg7. } { Here is the big blunder of the game, I'm still around +8 at this point. It allows a series of Queen attack with development. } { [%cal Ge2c5,Gd1d5,Gd4f3] } (21... Kg7 22. Qb3) 22. Bc4+ { [%eval 9.28] } 22... Kh8 { [%eval 9.98] } 23. Nf3 { [%eval 9.77] [%cal Gf3e5,Gd1d7] } 23... Qf5 { [%eval 9.8] } 24. Rd5? { [%eval 7.87] } { Mistake. Best move was Nh4. } { [%cal Gd5f5,Gd5d7,Gf5d7] } (24. Nh4) (24. Rxd7 { Taking immediately is a mistake, the Queen has to be kicked first. } { [%cal Gf5d7] }) 24... Qe4? { [%eval 11.78] } { Mistake. Best move was c5. } { c5 was the best move, looking to attack my Queen and delay my ability to capture on d7 and maneuver to capture the c4 Bishop in response. } { [%cal Gc7c5] } (24... c5 25. Qxb6 Qf4 26. Rxd7 Qxc4) 25. Rxd7 { [%eval 11.25] } 25... c5 { [%eval 11.36] } 26. Qb3 { [%eval 11.41] } 26... Rad8 { [%eval 16.04] } 27. Rxd8 { [%eval 13.57] } 27... Rxd8 { [%eval 11.61] } 28. Qxb6 { [%eval 10.94] } 28... Rd6 { [%eval 13.36] } 29. Qxc5 { [%eval 9.51] } 29... b6? { [%eval #4] } { Checkmate is now unavoidable. Best move was Rc6. } (29... Rc6 30. Bd5) 30. Qb4?! { [%eval 10.53] } { Lost forced checkmate sequence. Best move was Qc8+. } (30. Qc8+ Rd8 31. Qxd8+ Kg7 32. Qg8+ Kh6 33. Qh8#) 30... g5 { [%eval 13.07] } 31. Bb5 { [%eval 10.2] } { The shuffle sequence coming up was pretty tough to calculate being under 2 minutes. } 31... Qd5 { [%eval 11.01] } { Some threats to attack the back rank } { [%cal Gd5d1,Ga1d1,Gd6d1] } 32. Nd4 { [%eval 10.25] } { Plugging the hole and supporting the Bishop. Everything is in harmonious defense here. } { [%cal Ga3b4,Gc3b4,Gb4b5,Gb4d4,Gd4b5] } 32... g4 { [%eval 12.44] } { Too slow. } 33. hxg4 { [%eval 11.92] } 33... hxg4 { [%eval 12.34] } 34. a4 { [%eval 10.61] } 34... g3 { [%eval 11.41] } 35. f3 { [%eval 9.81] } 35... e5 { [%eval 26.79] } 36. Bc4 { [%eval 11.5] } 36... Qb7?! { [%eval #9] } { Checkmate is now unavoidable. Best move was Qc5. } (36... Qc5 37. Qxc5) 37. Nf5?! { [%eval 13.0] } { Lost forced checkmate sequence. Best move was Qxd6. } { [%cal Gf5d6,Gb4d6] } (37. Qxd6 Kg7 38. Nf5+ Kg6 39. Ne7+ Kg7 40. Qd8 Qxe7 41. Qxe7+ Kg6 42. Qf7+ Kh6 43. Qxf6+ Kh7) 37... Rd2?? { [%eval #2] } { Checkmate is now unavoidable. Best move was Rd8. } { [%cal Gd2f2,Gb7f3] } (37... Rd8 38. Nd6 Qd7 39. Nf7+ Kg7 40. Nxd8 Qxd8 41. Be6 Qd3 42. Qe7+ Kg6 43. Qf7+ Kg5 44. Qg7+) 38. Rf1?! { [%eval 11.88] } { Lost forced checkmate sequence. Best move was Qf8+. } (38. Qf8+ { [%cal Gh8g7] } 38... Kh7 39. Qh6#) 38... Qd7?! { [%eval #2] } { Checkmate is now unavoidable. Best move was Qc8. } { Attempting to mate with the pawn and a Queen on the back rank } { [%cal Gd2d1,Gd7d2,Gg3f2,Gg3h2] } (38... Qc8 39. Nxg3) 39. Qb1?! { [%eval 11.09] } { Lost forced checkmate sequence. Best move was Qf8+. } (39. Qf8+ Kh7 40. Qh6#) (39. Bb5) (39. a5 Rd1) 39... Qc6 { [%eval 11.23] } 40. Bb3 { [%eval 10.03] } { 1-0 White wins. } { Black resigns, there is isn't enough time or material to push any attack. White will simply push the a and c pawns and support them with the Bishop and Knight while portecting to King with the Rook and Queen. } { [%cal Gf5g3,Gb1a1,Ga4a5,Ga5a6,Ga6a7,Gf1d1,Gb3d1,Ga1c3] } 1-0