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Subject: Re: Unusual test position

Author: Bryan Hofmann

Date: 04:48:45 07/09/04

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On July 09, 2004 at 07:05:03, Jason Kent wrote:

>[D]8/1R6/6kp/1p1r4/1P3P2/P5PP/6K1/8 b - - 4 45
>
>On my computer Ruffian 1.05 and cm9k reccomend playing f5 with a score of 0.00
>here.  Crafty doesn't see the draw and neither do ruffian and cm9k after 1 more
>ply?!

Crafty & Ruffian both see this as a winning position for White.... Also you
state the f5 is the move, how???? it is black to move here with the above
FEN......


Crafty 19.13  WB2 157 MB:
 9   00:00  4.01   1. ... Kf5 2. Kf3 Rd3+ 3. Kf2 Rd5 4. Rh7 Rd6 5. Re7 Rd5 6.
Ke3
10   00:00  4.36   1. ... Kf5 2. Re7 Kf6 3. Re3 Rd4 4. Kf3 Rc4 5. Re5 Rc3+ 6.
Re3 Rc1
11   00:01  4.39   1. ... Kf5 2. Kf2 Ke4 3. Re7+ Kd4 4. Kf3 Rd6 5. Re4+ Kc3 6.
Re5 Ra6 7. Re3+ Kd4 8. f5
12   00:03  4.42   1. ... Kf5 2. Kf2 Ke4 3. Re7+ Kd4 4. Kf3 Rd6 5. Re4+ Kd3 6.
Re5 Ra6 7. Rxb5 Rxa3 8. Re5
13   00:07  4.39   1. ... Kf5 2. Kf2 Ke4 3. Re7+ Kd4 4. Kf3 Rd6 5. Re4+ Kd3 6.
Re5 Ra6 7. f5 Kc4 8. Re4+ Kc3 9. Re3+ Kd4
14   00:16  4.46   1. ... Kf5 2. Re7 Kf6 3. Re3 Rd1 4. Re5 Rd2+ 5. Kf3 Rd3+ 6.
Kg4 Rxa3 7. Rxb5 Rb3 8. Rh5 Kg6 9. b5
15   00:44  4.56   1. ... Kf5 2. Re7 Kf6 3. Re3 Rd4 4. Re5 Rd2+ 5. Kf3 <HT>
16   02:00  4.64   1. ... Kf5 2. Re7 Kf6 3. Re3 Rd4 4. Re5 Rd3 5. Rxb5 Rxa3 6.
Re5 Rb3 7. b5 Rd3 8. g4 Rb3 9. h4


Ruffian 1.0.5  UCI 131 MB:
 1   00:00 -3.09   h5
 1   00:00 -3.05   Kf6
 1   00:00 -2.82   Kf5
 2   00:00 -3.07   Kf5 Rc7
 3   00:00 -3.03   Kf5 Rf7+ Ke4 Re7+ Kd4
 4   00:00 -3.07   Kf5 Rf7+ Ke6 Rc7 Kf5
 5   00:00 -3.14   Kf5 Rf7+ Ke6 Rh7 h5 Rc7
 6   00:00 -3.18   Kf5 Re7 h5 Kf3 Rd3+ Re3 Rd6
 7   00:00 -3.24   Kf5 Rc7 Ke4 Re7+ Kf5 Kf3 Rd3+ Re3 Rd6 g4+
 8   00:00 -3.47   Kf5 Rc7 Ke4 Re7+ Kf5 Kf3 Rd3+ Re3 Rd5 g4+ Kf6
 9   00:00 -3.55   Kf5 Rc7 Ke4 Rc5 Rd2+ Kf1 Rd3 Kf2 Rd2+ Ke1 Rd3 Rxb5 Rxa3
10   00:00 -3.56   Kf5 Rf7+ Ke4 Re7+ Kf5 Kf3 Kf6 Re8 Rd3+ Re3 Rd5 Ke4 Ke6
11   00:00 -3.82   Kf5 Rf7+ Ke6 Rh7 h5 g4 Rd2+ Kf3 hxg4+ hxg4 Rd3+ Ke4 Rxa3 f5+
Kf6 Rh6+ Kg5 Rg6+ Kh4
12-  00:01 -4.17   Kf5
12   00:01 -4.24   Kf5 Rb6 Rd2+ Kf3 Rd3+ Kf2 Rxa3 Rxb5+ Ke4 Re5+ Kd4 b5 Rb3 h4
Kc4 Re6 Rxb5 Rxh6
13   00:03 -4.23   Kf5 Rb6 Rd2+ Kf3 Rd3+ Kf2 Ke4 Rxb5 Rd2+ Ke1 Ra2 Re5+ Kf3 f5
Rxa3 f6 Kxg3
14   00:04 -4.24   Kf5 Rb6 Rd2+ Kf3 Rd3+ Kf2 Ke4 Rxb5 Rxa3 Re5+ Kd4 b5 Rb3 h4
Kc4 Re6 Rxb5 Rxh6
15   00:08 -4.24   Kf5 Kf3 Rd3+ Kf2 Rxa3 Rxb5+ Ke4 Re5+ Kd4 b5 Rb3 h4 Kc4 Rh5
Kd4 Rxh6 Rb2+ Kf3 Rxb5
16   00:12 -4.29   Kf5 Kf3 Rd3+ Kf2 Rxa3 Rxb5+ Ke4 Re5+ Kd4 b5 Rb3 h4 Kc4 Rh5
Kd4 Rxh6 Rxb5 Re6 Rc5
17   00:24 -4.38   Kf5 Kf3 Rd3+ Kf2 Rxa3 Rxb5+ Ke4 Re5+ Kd4 b5 Ra8 Re6 Rb8 Rd6+
Kc4 b6 h5 Rh6 Rb7 f5 Kd5




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