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Archive for September, 2013

Underpromotion

The new Team4545League season has started and ended with a nice blunder from my side. After winning a piece early on I had some trouble to coordinate my pieces but finally I managed to get a pull until mixing moves and putting my knight en pris. Hard to explain why it happened, I guess it was mostly my rising excitement in this position:

chess_zap2

You can play through the game here. After the blunder it was rather easy for Black and he didn’t fell into any traps.

To get some practice I played a couple of 15 min games and to my pleasant surprise I was holding pretty well against higher rated players ~1800, beating some (and losing to 1500er, but that’s another story). In one game I reached the following position where every tempo counts. White will be checkmated the next move and only forcing moves will save me:

chess_underpromotion

Black resigned here. Can you see why?

[Event “ICC 15 0”]
[Site “Internet Chess Club”]
[Date “2013.09.03”]
[Round “-“]
[White “ScotchYeti”]
[Black “abja40”]
[Result “1-0”]
[ICCResult “Black resigns”]
[WhiteElo “1612”]
[BlackElo “1799”]
[Opening “Robatsch (modern) defense”]
[ECO “B06”]
[NIC “KF.05”]
[Time “11:53:46”]
[TimeControl “900+0”]

1. e4 {0:14:42} g6 {0:15:00} 2. d4 {0:14:35} Bg7 {0:15:00} 3. Nf3 {0:14:30}
c5 {0:14:59} 4. d5 {0:14:11} b5 {0:14:53} 5. Be2 {0:13:48} Na6 {0:14:30} 6.
O-O {0:13:45} c4 {0:14:27} 7. a3 {0:13:32} d6 {0:14:17} 8. Nd4 {0:13:29} Qb6
{0:14:00} 9. Be3 {0:13:13} Nc5 {0:13:51} 10. Nc3 {0:13:06} a6 {0:13:36} 11.
b4 {0:12:50} cxb3 {0:13:27} 12. cxb3 {0:12:43} Nf6 {0:13:23} 13. f3
{0:12:22} Qc7 {0:13:04} 14. b4 {0:11:49} Ncd7 {0:12:57} 15. Rc1 {0:11:48}
Qb7 {0:12:43} 16. Nc6 {0:10:02} O-O {0:12:36} 17. Nxe7+ {0:09:55} Kh8
{0:12:31} 18. Nc6 {0:09:29} Re8 {0:12:18} 19. Qd2 {0:09:08} Ne5 {0:11:45}
20. Nxe5 {0:08:59} Rxe5 {0:11:42} 21. Bf4 {0:08:38} Nh5 {0:11:10} 22. Bxe5
{0:08:20} Bxe5 {0:11:05} 23. Rc2 {0:07:25} Nf4 {0:10:51} 24. g3 {0:07:10}
Qb6+ {0:10:06} 25. Kh1 {0:06:40} Bxc3 {0:09:57} 26. Qxc3+ {0:06:31} Kg8
{0:09:43} 27. gxf4 {0:06:28} Bh3 {0:09:35} 28. Rg1 {0:05:54} Qf2 {0:09:16}
29. Bxb5 {0:05:28} Qxc2 {0:08:18} 30. Qxc2 {0:05:24} axb5 {0:08:16} 31. Qc3
{0:05:13} Rc8 {0:08:12} 32. Qf6 {0:04:57} Rc2 {0:07:59} 33. Qxd6 {0:04:47}
Rf2 {0:07:29} 34. e5 {0:04:28} Rxf3 {0:07:25} 35. e6 {0:04:25} Bf5 {0:07:23}
36. Qd8+ {0:04:02} Kg7 {0:07:19} 37. e7 {0:03:57} Be4 {0:07:01} {Black
resigns} 1-0

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