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Subject: A startling "quiet" move by Ruffian 2.1.0: d5!!

Author: George Tsavdaris

Date: 10:21:34 01/22/05


 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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