#13 Grabinsky, Aaron (NM) FIDE: 2337 vs Yuce, Aytac ICCF: 2132

#13 Grabinsky, Aaron (NM) FIDE: 2337 vs Yuce, Aytac ICCF: 2132

Chess960 start position: 862 (RKNRNBBQ)

Time control: 15+5

Site: http://en.lichess.org/4xCxFFXh

#862

1. g3 d5 2. Bg2 Nf6 3. Ned3 Nb6 4. Ne5 c6 5. a4 Nfd7 6. f4 f6 7. Nxd7+ Nxd7 8. a5 e5 {maybe a6 is better as when White plays a6, black experiences pressure on the long diagonal.}

9. fxe5 fxe5 10. a6 b6 {notice White pawn on a6 is rather annoying.}

11. c4 Nf6 {if Black pawn was still on b7, Black could take on c4, but since he let White play a6, this is not possible.}

12. h3 {I want to play g4, with the idea of kicking Black knight away which is protecting the center.}

12… Be6 {maybe h5 was better and then Be6}

13. g4 h6 14. Nd3 Qh7 {I missed this move, very annoying pin on my knight!}

15. cxd5 Bxd5 {probably best, as it is clearly in Black’s best interests to trade light-squared bishops}

16. Bh2 Re8 {maybe just Bd6 was better as now Black cannot castle short as he moved his rook. I think Black would much rather have his king on g8, than on the queen side!}

17. Bxd5 Nxd5 18. Qg2 Bc5 {stopping my intended 0-0, very annoying! It’s hard for me to unpin my knight.}

19. e4 Bd4 {probably forced as e5 is hanging, but on second thought Bd6! might be better in view of my next move.}

20. Ra4 {threatening Rxd4 at the right moment. It’s rather difficult for black now.}

20… c5 21. Ka1 {I thought about Rxd4 immediately, but I thought it best just to free my knight first as the threat is not going anywhere.}

21… Nf6 22. Rxd4 {things start to heat up around this point!}

22… cxd4 23. Nxe5 Kc8 {forced, as Qxe4 Rc1 would be very pretty, With Nd7 mate to come! If Rxe5 Bxe5+ Qxe5 Qb7 mate! Again we see how powerful the pawn on a6 is. :) I don’t think it should have been let that far.}

24. Rc1+ Kd8 25. Nc6+ Kd7 26. e5 Qe4 {Have to admit, I missed this move. Fortunately, my position is still very good.}

27. Qg3 Nd5 28. e6+ Rxe6 29. Ne5+ Rxe5 {I wonder if Ke8 is better. e.g. Re1 Qh7 and I’m not sure if I have enough compensation. After the text, white is clearly better in the resulting endgame.}

30. Qxe5 Qxe5 31. Bxe5 g6 32. Bxd4 Nb4 33. Bg7 h5 {if Nxa6 Bxh6 Rh8, I have g5.}

34. gxh5 gxh5 35. Rc4 Nxa6 36. Rh4 Rg8 37. Bc3 Rg5 {forced to protect h5, but Ra4 is probably winning for white. Black’s main problem is the bishop and rook work together much better here than the knight and rook.}

38. Ra4 Rg1+ 39. Ka2 Nc5 40. Rxa7+ Kc6 41. Rh7 Rg5 42. h4 {Here it should just be a matter of technique, as white’s forces are clearly stronger than black’s.}

42… Rf5 43. Rg7 Ne4 44. Kb3 Nc5+ 45. Kc2 Ne4 46. Rg6+ Kc7 47. Kd3 Nf2+ 48. Ke3 Ng4+ 49. Ke4 Rf1 50. Rg5 {this is hopeless.}

50… Nf2+ 51. Kd5 {with Rg7 idea as well as taking the pawn. }

51… Nh3 52. Be5+ Kd7 53. Rxh5 { Black resigns } 1-0

{The main reason I think black lost was because he underestimated the danger of the pawn on a6. Playing a6 himself would have been safer. Also, Bd6 instead of moving his rook to protect e5 earlier would have allowed him to castle king side, thus sidestepping the danger. Finally Ke8 instead of Rxe5 may have given him an edge as my attack may have been running out of steam. After Rxe5, the resulting endgame is pretty bad for black. A general rule of thumb in endgames: “bishop and rook work better together than knight and rook” The bishop has much more range than the knight and can relocate much faster than its counterpart.}

(Annotations: Aaron Grabinsky)

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