Have computers surpassed the ability of humans to calculate? Joel Benjamin is an expert in chess openings, but he proved to be no match for Rybka. Rybka plays an unusual opening for black, the Philidor Defense, and wins a game in an opening most grandmasters refuse to play nowadays.

White "Benjamin"]

[Black "Rybka"]

[WhiteElo "2575"]

[BlackElo "3100"]

[Result "0-1"]

[GameID "215"]

[UniqID "36455"]

[WhiteClock "0:06:56"]

[BlackClock "0:58:21"]

[Stamp "1639"]

[LastMoves "32.Kg5 Rxd6 -11.52"]

1.e4 e5 2.Nf3 d6 3.d4 exd4 4.Nxd4 Nf6 5.Nc3 Be7 6.g3 Nc6 7.Bg2 O-O 8.O-O Bg4

9.f3 Nxd4 10.Qxd4 Be6

11.f4 c5 12.Qd2 Re8 13.b3 c4 14.Kh1 Rc8 15.Bb2 Qa5 16.Qd4 Bf8 17.Rae1 a6 18.Bf3 Bh3 19.Bg2 Qh5 20.Qd2 b5 21.a3 d5 22.exd5 Ng4

23.b4 Bxg2+ 24.Qxg2

Ne3 25.Qf3 Nxf1 26.Qxh5 Rxe1 27.Kg2 Rce8 28.Qf3 Ne3+ 29.Kh3 f5 30.d6 Re6 31.Kh4 Rh6+ 32.Kg5 Rxd6