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ANNOTATED GAME
Bishop - Knight end game Mate! Rare/Interesting/Tough!
berbatov (1793) vs. e-motion (1616)
Annotated by: jugoslavija
(2013)
Chess opening: QGD Slav defence (D10), exchange variation
berbatov (1793) vs. e-motion (1616)
Annotated by: jugoslavija
(2013)
Chess opening: QGD Slav defence (D10), exchange variation
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19... O-O 20. Nb6 |
I sure didn't like this move. However, I was fully committed to the "feature" developed. Note that I have Bg7 poised to support the b-pawn advancement. Furthermore, the Rf8 was also ready to connect with the Ra8 as soon Bc8 moves away. Meanwhile, I had to deal with Nb6. After a long time thinking I decided to go for a sacrifice and the next 7 moves were calculated in advance. I surprised even myself with this sequence. (I am usually not this creative but this idea of taking advantage of a feature developed tends to open all sorts of secret doors). | ||||||
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20... bxa3 |
I go for it! | ||||||
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21. Nxa8 axb2+ |
Check. Kb1 would not be the best move. Can you see why? | ||||||
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22. Kd2 Bf5 |
That's why. This would force Ka2 and then RxNa8 ... not a good development for white. So really Kd2 is the only viable option. | ||||||
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23. Nb6 |
He saves the Knight, but .... | ||||||
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23... Rd8+ 24. Ke2 Rxd1 25. Rxd1 b1=Q 26. Rxb1 Bxb1 |
And now I come out of that exchange ahead with the b-pawn poised to Queen. | ||||||
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27. Nd2 Ba2 28. f3 h6 29. Bh4 g5 30. Bf2 |
I am pushing my pawns while cramping his Bishop. | ||||||
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30... Nd5 |
I needed to free the b-file for the pawn. | ||||||
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31. Nxd5 Bxd5 32. e4 Ba2 |
Positioning the bishop to protect the b-pawn queening. | ||||||
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33. g3 b5 34. f4 Bc3 35. e5 |
Not too concerned with his e-pawn as my trusty Nc6 is there ready to stop that advance if needed. Besides, my b-pawn seems much better supported than his e-pawn. If this was a race, I put my money on my b-pawn. | ||||||
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35... b4 36. Ne4 Ba1 |
That pawn is going home, right? | ||||||
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37. fxg5 hxg5 38. Nxg5 Nxe5 39. Ne4 b3 |
Almost there. | ||||||
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40. Nd2 |
I really didn't want to end up with some "crazy" Bishop, Knight or Bishop, Bishop end game, and I was willing to sacrifice whatever it takes so that I can queen my b-pawn. I wasn't even sure that the game can be finished with Bishop, Knight or Bishop, Bishop. | ||||||
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40... Bc3 |
I had to attack the Nd2. | ||||||
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41. Ne4 |
He is just making all of my plans very difficult. | ||||||
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41... Ba1 42. Nd2 |
Ok, different approach now: | ||||||
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42... Ng4 43. Bg1 Bg7 44. h3 Nh6 |
Well that didn't help. | ||||||
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45. g4 b2 46. Kd3 |
I am starting to realize I will not be able to avoid the dreaded B-K or B-B end game. | ||||||
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46... b1=Q+ 47. Nxb1 Bxb1+ |
I have a significant piece advantage, but I am still unsure I can finish this. Once I clear his pawns I will be 6 on him and still might not end up being able to finish. This is when I started to research the BB and BK end game. | ||||||
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48. Ke3 Be5 49. Kf3 Kg7 50. Be3 Nf7 51. h4 Kf6 52. Bf4 Bxf4 53. Kxf4 |
Great! I ended up with BK end game, which turns out to be the hardest one. Even BB, although still not easy, is easier than BK. | ||||||
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