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Subject: Re: little test position

Author: Peter Fendrich

Date: 15:36:08 10/17/03

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On October 17, 2003 at 10:30:33, Will Singleton wrote:

>This is from a blitz game Ktulu-Amateur, in which Amateur didn't find the key
>move (takes a few minutes).
>
>[D]7k/8/2R1pn2/1p1r2p1/p6p/P4P2/1P3BPP/7K b - - bm Rd1+

Terra (development version) finds the move within a minute but not with a
convincing score.
After 40 minutes the score is slowly raising but still close to draw.
Terra 3.3B1  UCI 150 MB:
D3   00:01  -0,49  1. ... Rd2 2.Rc8+ Kh7
D4   00:01  -0,51  1. ... Rd2 2.Be3 Rd1+ 3.Bg1 Re1
D5   00:01  -0,59  1. ... Rd2 2.Be3 Rxb2 3.Rc8+ Kh7
D6   00:01  -0,40  1. ... Rd2 2.Be1 Rxb2 3.Rxe6 Nd5 4.Re8+ Kh7
D7   00:01  -0,45  1. ... Rd2 2.Be3 Re2 3.Bd4 Re1+ 4.Bg1 g4 5.Rc7
D7   00:01  -0,33  1. ... Kg7 2.Rxe6 Rd2 3.Be3 Rxb2 4.Bd4 Rb1+ 5.Bg1
D8   00:01  -0,76  1. ... Kg7 2.Rxe6 Kg6 3.Be1 Kf7 4.Re3 Rd1 5.Kg1
D8   00:02  -0,45  1. ... Rd2 2.Be1 Rxb2 3.Rxe6 Rb1 4.Kg1 Rd1 5.Kf2
D9   00:02  -0,41  1. ... Rd2 2.Be1 Rxb2 3.Rxe6 Rb1 4.Kg1 Rd1 5.Kf2 Kg7
D10  00:04  -0,52  1. ... Rd2 2.Bg1 Kg7 3.Rxe6 Kg6 4.Rb6 h3 5.gxh3 Rxb2 6.Rb7
D10  00:12  -0,45  1. ... Re5 2.Kg1 Kg7 3.Bd4 Rd5 4.Be3 Kf7 5.Kf2 g4 6.Rc8
D11  00:17  -0,52  1. ... Re5 2.Kg1 Kg7 3.Bd4 Rd5 4.Be3 Kf7 5.Kf2 Nd7 6.Rc7 Kf6
D11  00:21  -0,44  1. ... Rd2 2.Bg1 Kg7 3.Rxe6 Kg6 4.Rb6 h3 5.gxh3 Rxb2 6.Bd4
Rb1+ 7.Kg2
D12  00:38  -0,51  1. ... Rd2 2.Bg1 Kg8 3.Rxe6 Nh7 4.f4 gxf4 5.Rg6+ Kf7 6.Rh6
Nf6 7.Rxh4 Nd5
D12  00:54  -0,29  1. ... Rd1+ 2.Bg1 Nh5 3.Rxe6 Nf4 4.Re5 h3 5.g3 Nd3 6.Re2 Kh7
7.Re7+ Kg6 8.Rb7
D13  01:09  -0,14  1. ... Rd1+ 2.Bg1 Nh5 3.Rxe6 Kg7 4.Rc6 Nf4 5.Rc2 Kf6 6.h3 Nd3
7.Kh2 Ke5 8.g3
D14  01:43  0,00   1. ... Rd1+ 2.Bg1 Nh5 3.Rxe6 Nf4 4.Re7 h3 5.g4 Nd3 6.Re2 Kg7
7.Rc2 Kf6 8.Re2 b4
D15  03:37  0,14   1. ... Rd1+ 2.Bg1 Nh5 3.Rxe6 Nf4 4.Re7 h3 5.g3 Nd3 6.Re2 Kg7
7.Rc2 Kf6 8.g4 Ke5 9.Re2+ Kf4
D16  07:09  0,22   1. ... Rd1+ 2.Bg1 Nh5 3.Rxe6 Nf4 4.Re5 h3 5.g3 Nd3 6.Re2 Kg7
7.Rc2 Kf6 8.Rc6+ Kf5 9.Rc2 Rf1 10.g4+ Kf4
D17  31:52  0,32   1. ... Rd1+ 2.Bg1 Nh5 3.g3 hxg3 4.hxg3 Nxg3+ 5.Kh2 Nf5 6.Rxe6
Kh7 7.Bc5 Rd2+ 8.Kh3 Rxb2 9.Rb6 Rc2 10.Rxb5 Kg6 11.Rb6+ Kh5

/Peter



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