(1) Keres,P - Filip,M [C97]
Amsterdam (17), 1956



1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.0-0 Be7 6.Re1 b5 7.Bb3 d6 8.c3 0-0 9.h3 Na5 10.Bc2 c5 11.d4 Qc7 12.Nbd2 Re8 13.Nf1 Nc4 14.a4 Bd7 15.b3 Na5 16.Ne3 Bf8 17.Rb1 bxa4 18.bxa4 g6 19.Qe2 cxd4 20.cxd4 exd4 21.Nxd4 Bg7
[21...Nxe4 22.Nd5 Qd8 23.Bxe4 ]

22.Bb2 Nb7 23.Qf3
[23.Ndf5!? gxf5 24.Bxf6 Bxf6 25.Nd5 Qd8 26.Nxf6+ Qxf6 27.Rxb7 ]

23...Qd8 24.Nc4 Qc7 25.Ne3 Qd8 26.Nb3
[26.Ba3!? ]

26...Bc6 27.Nc4 Rc8 28.Nd4!?
[28.Nbd2 ]

28...Bxe4 29.Bxe4 Nxe4 30.Rxe4 Rxe4 31.Qxe4 d5 32.Qf3?
[32.Qe3 dxc4 33.Ne6 Qe7 34.Bxg7 fxe6 35.Bc3 ]

32...Rxc4
Diagram

33.Ne6! fxe6
Forced, toprevent both Nxd8 and Nxg7

34.Bxg7 Nd6
[34...Kxg7 35.Rxb7++- Rc7 36.Qc3+ ]

35.Be5 Rc8
[35...Rxa4 Or simply Nf7 when Black has a winning advantage.]

36.Qf4 Nf7 37.Rb7
White has turned the tables. The immediate threat is Qxf7 mating, and on Nxe5, Qxe5 wins quickly.

37...Qf8
Diagram

38.Kh2??
[38.Qf6 or even Ba1]

38...Rc4 39.Qf6 Nxe5 40.Qxe6+
[40.Qxe5 Qf4+ 41.Qxf4 Rxf4-+ ]

40...Nf7 41.g3 Rxa4 42.Qxd5 Rb4 43.Ra7 Rb5 44.Qa2 Rf5 45.Rxa6 Qc5 46.Ra8+ Kg7 47.Qb2+ Kh6 48.Qd2+ Ng5 49.Ra2 Kg7 50.Qb2+ Rf6 51.h4 Nf3+ 52.Kh3 Nd4 53.Kh2 Nb5 54.Qd2 Nd4 55.Qb2 Nc6 56.Kg1 Ne5 57.Qb7+ Rf7 58.Qb2 h5 59.Ra8 Kh7 60.Rd8 Qa5 61.Rd1 Qa4 62.Rd8 Qe4 63.f4 Qe3+ 64.Kh2 Ng4+ 65.Kh3 Nf6 66.Rb8 Qe6+ 67.Kh2 Qe1 68.Qg2 Re7 69.Rb7 Nd7 70.Rb2 Qe6 71.Rb7 Qg4 72.Rb2 Nc5 73.Qd2 Qe6 74.Qg2 Nd7 75.Rb7 Kg8 76.Rc7 Kf7 77.Ra7 Qc4 78.Kh3 Qe6+ 79.Kh2 Qe2 80.Ra2 Qxg2+ 81.Kxg2 Re3 82.Ra7 Ke7 83.Ra6 Nf6 84.Ra7+ Ke6 85.Ra6+ Kf7 86.Ra7+ Re7 87.Ra3 Rc7 88.Kf3 Rc5 89.Re3 Nd5 90.Re2 Rc3+ 91.Kf2 0-1