Fractals and Chaos

Vincent Keymer – Alexander Anatolyevich Donchenko

2nd World Fischerandom Chess Championship Qualifier 2; time control: 10 minutes plus 2 seconds per move; chess.com, August 29, 2022

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Position #17

1. c4 Nf6 2. b3 e6 3. e3 b6 4. Bf3 Na6 5. Nc3 Be7 6. d4 Rd8 7. e4 d5 8. cxd5 exd5 9. e5 Ne4 10. Be2 c5 11. Nf3 0-0 12. Rd1 Nb4 13. a3 Nc6 14. 0-0 cxd4 15. Nb5 Rfe8 16. b4 a5 17. bxa5 bxa5 18. Qf4 Bb7 19. Nbxd4 Nxd4 20. Nxd4

20. ... Bxa3!? A somewhat risky Pawn grab, although Black might be able to hold his own with correct play. Of course here 20. ... Bg5 was to be considered, on which there could follow 21. Qf5 Qxf5 22. Nxf5 g6 with a more or less balanced game. 21. Bb5

21. ... Rf8? This obvious reply is in fact mistaken and leaves White with a free hand on the h-side. Black’s only chance was 21. ... Ba6! 22. Bxe8 Rxe8 23. Rfe1 Bb4 24. Nf5 Bxe1 25. Rxe1 Qc5! 26. Nxg7! Qb4 27. Rd1 Nc3 28. Qxb4 axb4 29. Bxc3 Rb8 30. Bxb4 Kxg7 31. Bd6 Be2! 32. Re1 d4 33. Bxb8 d3 with a likely draw. 22. Nf5 Qe6 23. f3 Qb6+ [23. ... Nc5 24. Qg5 g6 25. Nh6+ Kg7 (25. ... Kh8? 26. Nxf7!+−) 26. Ng4+−] 24. Bd4 Qxb5 (24. ... Nc5 25. Qg3 g6 26. e6!+−) 25. fxe4 Bc5 26. Qg5 g6 27. Nh6+ Kg7 28. Nf5+ Kg8

29. Qf6! gxf5 30. Qg5+ Kh8 31. Qf6+ Kg8 32. Rxf5 Bxd4+ 33. Rxd4 Qb1+ 34. Kf2 Qb2+ 35. Kg3 h6 36. Qxh6 Qc3+ 37. Kh4 1 : 0.