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Subject: Re: A startling "quiet" move by Ruffian 2.1.0: d5!! Crafty 19.04DC does

Author: Cliff Sears

Date: 12:54:52 01/22/05

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I first tried Gromit3.82 and Lambchop1099 but they did not select this.

Shredder Triple Brain selected this from the choice between Danchess 1.07 and
Crafty 19.04DC

Engine: Triple Brain (0 MB)
by Stefan Meyer-Kahlen

8+0    0:00   100%     1.Ne5 DanChess107

5+0    0:00   100%     1.Be4 DanChess107

6+0    0:00   100%     1.Be4 DanChess107

7+0    0:00   100%     1.Be4 DanChess107

8+0    0:00   100%     1.Be4 DanChess107

9+0    0:00   100%     1.Be4 DanChess107

9+6    0:01   2%       1.Be4 DanChess107

9+7    0:02   2%       1.Be4 DanChess107

9+7    0:03   4%       1.Be4 DanChess107

9+7    0:04   4%       1.Be4 DanChess107

7+10   0:04   3%       1.d5 Crafty1904-DC

8+10   0:06   4%       1.d5 Crafty1904-DC

8+10   0:11   5%       1.d5 Crafty1904-DC

9+10   0:15   4%       1.d5 Crafty1904-DC

10+9   0:32   0%       1.Be4 DanChess107

10+9   0:34   0%       1.Be4 DanChess107

10+10  0:58   4%       1.Qf4 Crafty1904-DC

10+10  1:17   6%       1.d5 Crafty1904-DC

10+10  1:45   7%       1.d5 Crafty1904-DC

11+10  1:54   7%       1.Be4 DanChess107

11+11  2:52   7%       1.d5 Crafty1904-DC



On January 22, 2005 at 13:21:34, George Tsavdaris wrote:

> In the following game between Ruffian 2.1.0 and Abrok 5.0, Ruffian found and
>played an amazing winning move(i can assure you for this) in 35 seconds only,
>that even Shredder 8 fails to find in a reasonable time. 15.d5!! and white wins.
>
>After 15.d5!! Qd6 (15...Qc5 16.dxc6 Nxc6 17.Bb5 Rd8 18.Qf4! +-) 16.dxc6 e6
>(16...Nxc6 17.Qc3! +- another nice move that was actually the game's line)
>17.Rd1! Qc7 18.Qc3 h6 (18...Rg8 19.Bxh7 Rh8 20.Be4 Rxh5 21.Rd7! Nxd7 22.cxd7 +-)
>19.Be4 +-
>There is another better line for black that loses also. It's 15.g6!? which
>offers a tougher resistance(RR versus RBN).
>
>[D]rn2kb1r/p3pppp/1pp5/7P/3P4/q2B1N2/P1PQ1PP1/RR4K1 w kq - 0 15
>
>
>[Event "Game-124"]
>[Site "?"]
>[Date "2007.09.25"]
>[Round "124"]
>[White "Ruffian 2.1.0"]
>[Black "Abrok 5.0"]
>[Result "1-0"]
>[ECO "B18"]
>[PlyCount "46"]
>[EventDate "2007.??.??"]
>
>1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. Nf3 Nf6 7. h4 Qa5+ 8.
>Bd2 Qb6 9. h5 Be4 10. Nxe4 Nxe4 11. Bd3 Nxd2 12. Qxd2 Qxb2 13. O-O Qa3 14. Rfb1
>b6 15. d5 Qd6 16. dxc6 Nxc6 17. Qc3 Rc8 18. Bb5 a6 19. Bxa6 Rb8 20. Bb5 f6 21.
>Bxc6+ Kf7 22. Rd1 e6 23. Rxd6 Bxd6 1-0



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