Chess

Today I played chess with NagaSkaki software. I won. Computer resigned on the 56th move :)
I took many move back. :( still learning...
Here is the PGN file of the game. You can also see the game on the chessboard here

[Event: " ChessGame"][Site: "Home"][Date: "2/27/2008"][White: "Shubh"][Black: "NagaSkaki 4.00"][Result: "1-0"]
1. d4 d52. e3 e63. Bd3 Bb4+4. Bd2 Bxd2+5. Nxd2 Qg56. Qf3 Qh67. Ne2 Nf68. e4 Nc69. a3 O-O10. Rd1 dxe411. Nxe4 Nd712. O-O Qh413. g3 Qh614. Rfe1 Re815. c3 Nf816. Nf4 Bd717. Nc5 e518. dxe5 Nxe519. Rxe5 Rxe520. Nxd7 Nxd721. Qxb7 Nb622. Qxc7 Qf623. b4 g524. Nh3 Re725. Qc5 g426. Nf4 Re527. Qd4 Rae828. Bf1 Qc629. Bg2 Qa430. Ra1 R5e731. Nh5 f532. Nf6+ Kf733. Nxe8 Qxe834. Bd5+ Kg635. a4 Re1+36. Rxe1 Qxe1+37. Kg2 Nxd538. Qxd5 Qxc339. Qe6+ Qf640. Qxf6+ Kxf641. h4 gxh3+42. Kxh3 Ke543. g4 f444. Kg2 Kd445. Kf3 Kc346. Kxf4 Kd447. g5 a648. f3 Kc449. Kf5 Kxb450. g6 hxg6+51. Kxg6 Kxa452. f4 Kb453. f5 Kc554. f6 Kd655. Kg7 Kc6