Author: John Merlino
Date: 18:06:24 01/05/03
Go up one level in this thread
On January 05, 2003 at 09:57:46, Dieter Buerssner wrote:
>At http://www.chesscafe.com/endgame/endgame.htm the following study
>
>[D] 8/2p2K2/3p4/B4k2/3p4/p4PP1/2P1P3/8 w - - 0 1
>
>by A. Troitzky is shown. The solution is given as:
>
>1 Bd2 a2 2 Bh6 a1Q/i 3 e4+ dxe3 4 g4+ Ke5 5 Bg7+ Kf4 6 Bxa1 e2 7 Bc3
>
>i) 2...Ke5 3 c4 dxc3 4 Bg7+ and wins.
>
>After 1. Bd2 a2 2. Bh6 I get:
> time score
> 179182320 3:56.5 5.69 18t 2...c5 3. c4 d5 4. g4+ Ke5 5. Bg7+ Kd6 6. Bf8+
> Kd7 7. g5 a1=Q 8. g6 Qa8 9. g7 Qe8+ 10. Kf6
> Qe6+ 11. Kg5 Qxe2 12. Bxc5 dxc4 13. Bxd4 Qxf3
> 14. Be5H {HT} {651}
>
>Note the positive score is good for black here. What would be the reply to c5 ?
>
>Regards,
>Dieter
The King agrees with you. On a P3-733, here is what it says about the initial
position:
Time Depth Score Positions Moves
0:00 1/4 2.88 5789 1.g4+ Ke5 2.c4 dxc3ep 3.Bxc3+ Kd5
0:00 1/5 2.84 21171 1.g4+ Ke5 2.c4 dxc3ep 3.Bxc3+ Kd5
4.e4+ Kc4 5.Bf6
0:02 2/6 2.84 47272 1.g4+ Ke5 2.c4 dxc3ep 3.Bxc3+ Kd5
4.e4+ Kc4 5.Bf6
0:03 3/7 -1.08 123533 1.g4+ Ke5 2.g5 a2 3.g6 a1=Q 4.g7
Qxa5 5.g8=Q Qa2+ 6.Kg7 Qxc2
0:04 3/7 0.78 180430 1.Bd2 a2 2.Bh6 c6 3.c4 a1=Q 4.e4+
dxe3ep 5.g4+ Ke5 6.Bg7+ Kf4 7.Bxa1
Kxf3
0:05 4/8 0.32 241310 1.Bd2 a2 2.Bh6 c5 3.c4 d5 4.g4+
Ke5 5.e3 dxe3 6.Bg7+ Kf4 7.cxd5
Kxf3
0:07 5/9 1.22 436698 1.Bd2 a2 2.Bh6 c6 3.c4 a1=Q 4.e4+
dxe3ep 5.g4+ Ke5 6.Bg7+ Kf4 7.Bxa1
e2 8.Bc3 Kxf3
0:12 6/10 -2.39 910746 1.Bd2 a2 2.Bh6 c6 3.c4 c5 4.g4+
Ke5 5.Bg7+ Kf4 6.Bf8 a1=Q 7.Bxd6+
Ke3 8.Bxc5 Kxe2 9.f4
0:16 6/10 -0.50 1375813 1.g4+ Ke5 2.g5 a2 3.g6 a1=Q 4.g7
Qxa5 5.g8=Q Qa2+ 6.Kg7 Qxg8+ 7.Kxg8
c5 8.Kf7 d5 9.Kg6 c4 10.Kg5
0:24 7/11 -0.48 2249280 1.g4+ Ke5 2.g5 a2 3.g6 a1=Q 4.g7
Qxa5 5.g8=Q Qa2+ 6.Kg7 Qxg8+ 7.Kxg8
Kf6 8.Kf8 c5 9.Ke8 Ke6 10.f4 d5
0:49 8/12 -0.57 4772354 1.g4+ Ke5 2.g5 a2 3.g6 a1=Q 4.g7
Qxa5 5.g8=Q Qa2+ 6.Kg7 Qxg8+ 7.Kxg8
Kf6 8.Kf8 c5 9.Ke8 Ke6 10.Kf8 d5
11.Kg7 Ke5
1:47 9/13 -0.57 10456578 1.g4+ Ke5 2.g5 a2 3.g6 a1=Q 4.g7
Qxa5 5.g8=Q Qa2+ 6.Kg7 Qxg8+ 7.Kxg8
Kf6 8.Kf8 c5 9.Ke8 Ke6 10.Kf8 d5
11.Kg7 Ke5
And after forcing 1.Bd2 a2 2.Bh6 (and it appears that 2...c6 also wins):
Time Depth Score Positions Moves
0:00 1/5 0.78 11901 2...c6 3.c4 a1=Q 4.e4+ dxe3ep 5.g4+
Ke5 6.Bg7+ Kf4 7.Bxa1 Kxf3
0:00 2/6 0.51 21804 2...c6 3.c4 c5 4.g4+ Ke5 5.e3 dxe3
6.Bg7+ Kf4
0:00 2/6 0.32 30019 2...c5 3.c4 d5 4.g4+ Ke5 5.e3 dxe3
6.Bg7+ Kf4 7.cxd5 Kxf3
0:00 3/7 1.47 45421 2...c5 3.c4 a1=Q 4.e4+ dxe3ep 5.g4+
Ke5 6.Bg7+ Kf4 7.Bxa1 e2 8.Bc3 Kxf3
0:00 3/7 1.22 55691 2...c6 3.c4 a1=Q 4.e4+ dxe3ep 5.g4+
Ke5 6.Bg7+ Kf4 7.Bxa1 e2 8.Bc3 Kxf3
0:01 4/8 -2.39 115311 2...c6 3.c4 c5 4.g4+ Ke5 5.Bg7+
Kf4 6.Bf8 a1=Q 7.Bxd6+ Ke3 8.Bxc5
Kxe2 9.f4
0:02 5/9 -2.39 209830 2...c6 3.c4 c5 4.g4+ Ke5 5.Bg7+
Kf4 6.Bh6+ Kg3 7.Bf8 a1=Q 8.Bxd6+
Kf2 9.Bxc5 Kxe2 10.f4
0:04 6/10 -2.84 453742 2...c6 3.c4 c5 4.g4+ Ke5 5.Bg7+
Kf4 6.Bh6+ Kg3 7.Bf8 a1=Q 8.Bxd6+
Kf2 9.Bxc5 Kxe2 10.f4 d3
0:12 7/11 -3.22 1162801 2...c6 3.c4 c5 4.g4+ Ke5 5.Bg7+
Kf4 6.Bh6+ Kg3 7.Bf8 a1=Q 8.Bxd6+
Kf2 9.Bxc5 Qa6 10.Bxd4+ Kxe2 11.Ke7
Kxf3
0:31 8/12 -3.62 3032772 2...c6 3.c4 c5 4.g4+ Ke5 5.Bg7+
Kf4 6.Bh6+ Kg3 7.g5 a1=Q 8.g6 Qa7+
9.Kf8 Qa8+ 10.Kf7 d3 11.exd3 Qxf3+
12.Kg7 Qxd3
1:11 8/12 -4.62 6747606 2...c5 3.c4 d5 4.cxd5 Ke5 5.e4
dxe3ep 6.Bxe3 Kxd5 7.g4 a1=Q 8.Bh6
Qh8
1:51 9/13 -4.62 10580976 2...c5 3.c4 d5 4.cxd5 Ke5 5.e4
dxe3ep 6.Bxe3 Kxd5 7.g4 a1=Q 8.Bh6
Qh8
jm
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