(38) Kasparov - Fritz [D45]
3D Fritz Challenge, 2003

1.Nf3 d5 2.c4 c6 3.d4 Nf6 4.Nc3 e6 5.e3 Nbd7 6.Qc2 Bd6 7.g4 Bb4 8.Bd2 Qe7 9.Rg1 Bxc3 10.Bxc3 Ne4 11.0-0-0 N

11...Qf6 12.Be2 Nxf2 13.Rdf1 Ne4 14.Bb4 c5 15.cxd5 exd5 16.dxc5 Qe7 17.Nd4 0-0 18.Nf5 Qe5 19.c6 bxc6 20.Bxf8 [ 20.Ne7+ Kh8 21.Nxc6 Qg5 22.Bxf8 Qxe3+ 23.Kb1 Nd2+ 24.Ka1 Nxf1 25.Bxg7+ Kxg7 26.Rxf1 ]

20...Kxf8 21.Ng3 Ndc5 22.Nxe4 Nxe4 23.Bd3 Be6 24.Bxe4 dxe4 25.Rf4 Bd5 26.Qc5+ Kg8 27.Rgf1 Rb8 28.R1f2 Qc7 29.Rc2 Qd7 30.h4 Qd8 31.g5 Bxa2 32.Rxe4 [ 32.Qxc6 Bb3-/+ ]

32...Qd3 33.Rd4 [ 33.Qf5! Be6 34.Qf4+/- ]

33...Qxe3+= 34.Rcd2 Qe1+ [ 34...Qg1+ 35.Rd1 ( 35.Kc2 Bb1+ 36.Kc3 Qe3+-+ 37.Kc4 Qb3# ) 35...Qe3+ 36.R1d2= ]

35.Rd1 Qe3+ [ 35...Qe8? 36.Rd7 Bb3 37.Re7 Qc8 38.Rde1+/- ]

36.R1d2 [ 36.Kc2 Qb3+ 37.Kd2 ( 37.Kc1 Qxb2# ) 37...Qxb2+ 38.Ke1 Re8+ 39.Kf1 Qe2+ 40.Kg1 Bd5-+ ]

36...Qg1+ perpetual check [ 36...Re8 37.Qc3 Qe1+ 38.Rd1 Qxc3+ 39.bxc3 Bb3 40.Rd8 Kf8 41.R1d6 Bd5 42.R6d7 a6 43.Rxe8+ Kxe8 44.Ra7 Bc4 45.Rc7 Bb5 46.Kc2 ; 36...Qg1+ 37.Rd1 Qe3+ 38.R1d2 ] 1/2-1/2