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Subject: Re: YAEP

Author: Dan Homan

Date: 06:27:15 07/26/00

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On July 26, 2000 at 01:12:05, Steffen Jakob wrote:

>Here is yet another endgame position:
>
>[D]3R4/8/6p1/p1p2bk1/P1Pb4/1P5P/6B1/7K w
>
>It's from a game MissSilicon (nut) - Hossa. Misssi found the nice move b4!
>Andrew Dados told me that his program needs about 14 seconds (Andrew, do I
>remember right?) to find this move. I tried it with Hossa and it took ages. How
>does your favourite program perform? And another important question: is there
>another way to win this position for white?
>
>Best wishes,
>Steffen.

EXchess doesn't see it until depth 14 after 96 seconds on a PIII/500.

 - Dan


 13.   2.77    37  6208143   1. Rb8 Bc3 2. Re8 Bd4 3. Ra8 Bc3 4. Rf8 Be5
 13.   2.77    40  6738903   1. Rb8 Bc3 2. Re8 Bd4 3. Ra8 Bc3 4. Rf8 Be5
 14.   2.76    56  9481754   1. Rb8 Bc3 2. Re8 Bd4 3. Ra8 Bc3 4. Rf8 Bd4 5. Kh2
Be5+ 6. Kg1 Kh4 7. Bf1 Kg3
 14.   ++      96 17160581   1. b4
 14.   3.04   114 20536046   1. b4 axb4 2. a5 Bf6 3. a6 Bxd8 4. a7 Bf6 5. a8=Q
Bd4 6. Qb7 Kf6 7. Qb6+ Kg5
 14.   3.04   115 20708839   1. b4 axb4 2. a5 Bf6 3. a6 Bxd8 4. a7 Bf6 5. a8=Q
Bd4 6. Qb7 Kf6 7. Qb6+ Kg5
 15.   3.19   156 28312136   1. b4 axb4 2. a5 Bf6 3. a6 Bxd8 4. a7 Bf6 5. a8=Q
Bd4 6. Qf3 Kf6 7. h4 Ke7 8. Kh2
 15.   3.19   160 29105700   1. b4 axb4 2. a5 Bf6 3. a6 Bxd8 4. a7 Bf6 5. a8=Q
Bd4 6. Qf3 Kf6 7. h4 Ke7 8. Kh2
 16.   ++     295 54140736   1. b4
 16.   3.73  1161 215850274   1. b4 Bf6 2. h4+ Kxh4 3. Rf8 cxb4 4. Rxf6 Bc2 5.
c5 Bxa4 6. Ra6 g5 7. Rxa5 Bd1 8. c6 b3
 16.   3.73  1292 241008811   1. b4 Bf6 2. h4+ Kxh4 3. Rf8 cxb4 4. Rxf6 Bc2 5.
c5 Bxa4 6. Ra6 g5 7. Rxa5 Bd1 8. c6 b3



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