Author: George Tsavdaris
Date: 12:45:52 01/29/06
In the following position you must avoid 13...dxc4?? that loses by a rather
deep combination.
The reason i post this is because i don't see often Rybka fail to see something
and that makes me feel good and superior to it, since i played as white this
game and won....:-) Now back to reality: Rybka beta 13b considers 13...dxc4 as a
good move for black and gives -0.95 after 13 plies. It also can't find my
excellent move 14.d5!! in a reasonable time (actually because i'm too lazy i
waited only 2:30 minutes on AMD3500+).
White (I) has set up a good trap in this position to black. Rybka can't see
this.... Any estimation from its author of when it will be able to avoid
13...dxc4 and see 14.d5!!.....?
[D]rn1qk2r/pp3ppp/4b3/3p4/2PP1p2/B4N2/P3Q1PP/R4RK1 b kq - 0 13
[Event "?????"]
[Site "????????"]
[Date "????.??.??"]
[Round "?"]
[White "????"]
[Black "????"]
[Result "*"]
[SetUp "1"]
[FEN "rn1qk2r/pp3ppp/4b3/3p4/2PP1p2/B4N2/P3Q1PP/R4RK1 b kq - 0 13"]
[PlyCount "34"]
[EventDate "????.??.??"]
13... dxc4 $2 (13... Nc6) 14. d5 $3 Qxd5 15. Rad1 Qa5 (15... Qb5 16. Nd4 Qb6
17. Kh1 Nd7 18. Rxf4 O-O-O 19. Nxe6 Qxe6 20. Rxc4+ Kb8 21. Qxe6 fxe6 22. Rcd4
b5 23. Rxd7 Kc8 $18 {And now white is clearly winning.... There are 2 roads:
24.Rxd8 Kxd8 25.Rxd8 Kxd8 with a Bishop against 2 Pawns at the endgame where
white should be able to convert it to a win or 24.Rd2 for example with a
Bishop more for 2 Pawns....}) 16. Nd4 Qxa3 (16... Qb6 17. Kh1 Nd7 18. Rxf4
O-O-O 19. Nxe6 Qxe6 20. Rxc4+ Kb8 21. Qxe6 fxe6 22. Rcd4 b5 23. Rxd7 Kc8 $18 {
And now white is clearly winning.... There are 2 roads: 24.Rxd8 Kxd8 25.Rxd8
Kxd8 with a Bishop against 2 Pawns at the endgame where white should be able
to convert it to a win or 24.Rd2 for example with a Bishop more for 2 Pawns....
}) 17. Nxe6 Qe3+ 18. Qxe3 fxe3 19. Nc7+ Ke7 20. Rfe1 Rc8 21. Rxe3+ Kf8 22. Nxa8
Nc6 23. Rd7 Rxa8 24. Rxb7 f6 (24... Rc8 25. Re4 Rd8 26. Rc7 Nd4 27. Ree7 Ne6
28. Rxf7+ Kg8 29. Rfd7 Rxd7 30. Rxd7 $18) 25. Rc7 Ne5 26. Rg3 g6 27. Rxh7 Kg8
28. Rc7 a5 29. Rh3 Rd8 30. Rhh7 $18 *
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