Peter,R (1825) - Bohnenblust,R (2207) [A05]
Bieler Meisterschaften, 4. Runde, 1998
[Fritz 5.00 / Ph. Corbat]
1.Sf3 Sf6 2.e3 g6 3.b3 Lg7 4.Lb2 0–0 5.d4 d5 6.c4 c6 7.Sc3 Se4N
[7...a5 8.a4 Sa6 9.Ld3 Sb4 10.0–0 Lg4 11.Le2 Lf5 12.Tc1 Tc8 13.Se1 Dd7 14.Sd3 Lxd3 15.Lxd3 Tfd8 16.f4 c5 17.Sb5 Storme,S-Grigorian,A/WchJW-U18 Szeged 1994/TD 94\01/0–1 (40)]
8.Sxe4 dxe4 9.Sd2 f5 10.c5 This push gains space 10...Sd7 11.Lc4+ Kh8 12.Dc2 Sf6 13.0–0–0 b5 14.cxb6?!
[14.Le2!?= should be considered]
14...axb6 15.b4 Sd5?! The knight is not easily driven from d5
[15...La6 16.a3=+]
16.a3 Consolidates b4 16...Le6 17.g3 Controls f4 17...Dd7
18.Db3?
[18.h3 Sc7=]
18...Tfc8 19.Kb1 Tab8 20.h4 h5 21.f3 b5 Black gets strong initiative 22.Lf1 Sb6!?
[22...c5! 23.dxc5 (23.bxc5 b4–+; 23.fxe4 c4 24.Sxc4 bxc4 25.Lxc4 Sc3+! 26.Lxc3 Txc4–+) 23...Sc3+ 24.Dxc3 Lxc3 25.Lxc3+ Kg8–+]
23.Dc2 exf3 24.Sb3 Dd5 25.Sc5 Lf7?!
[25...Da2+ 26.Kc1 Ld5–+]
26.Ld3 Sa4 27.Kc1 Da2 28.Db1?!
[28.Sxa4 bxa4 29.Dc5-/+]
28...Sxc5! 29.dxc5 Dxb1+ 30.Kxb1 Ld5 31.Lxg7+ Kxg7 32.Kb2 e5 33.Td2 Kf6 34.Kc3 Ke6 35.Thd1 Tc7 36.Te1 Ta8 37.Ta1 Tca7 38.Kb2 Td7 39.Tad1 Tad8 40.Kc3 Le4 41.Lf1 Txd2 42.Txd2 Txd2 43.Kxd2 Kd5
[43...Ld5–+ might be the shorter path]
44.Kc3
44...f2??
[44...f4! 45.gxf4 Lf5 46.fxe5 Kxe5 47.Kd2 Le6 48.Ke1 Ke4 49.Kf2 Ld7! les Blancs sont en zugzwang ! 50.a4 bxa4 51.Lc4 a3 52.La2 Ke5 53.Kxf3 Le6 54.Lb1 a2 55.Lxa2 Lxa2 0–1]
45.Kd2??
[45.a4!! and White is still in the game / remis ! A) 45...f4 46.axb5 cxb5 47.exf4 exf4 48.gxf4 Lf5 49.Kd2 Ke4 50.Ke2 Kxf4 51.Kxf2 Ld7 52.Lg2 Kg4 53.Lb7 Kxh4 54.c6 Le6 55.c7 Kg4 56.c8D Lxc8 57.Lxc8+ Kf4 58.La6 g5 59.Lxb5 Ke5 60.Le2 Kd4 61.Kf3 Kd5 62.b5 Kc5 63.Ke4 h4 64.Kf3 h3 65.Kg3 g4=; B) 45...Lf3 46.a5 f4 47.exf4 e4?? (47...Lg4 48.fxe5 Kxe5 49.a6 Lc8 50.a7 Lb7 51.Kd3 g5 52.hxg5 Kf5 53.Ke3 Kxg5 54.Kxf2 h4 55.gxh4+ Kxh4 56.Kf3 Kg5 57.Ke4 Kf6 58.Lh3 La8 59.Lc8 Ke7 60.Ke5 Kd8 61.Lf5 Ke7=) 48.f5 gxf5 (48...e3 49.Kd3 1–0) 49.a6 e3 50.Kd3 1–0; C) 45...Ld3?? 46.Lxd3 bxa4 (46...e4 47.Lf1 bxa4 48.Kb2 1–0) 47.Kb2 f4 48.gxf4 exf4 49.exf4 Kd4 50.Lf1 1–0; D) 45...bxa4?? 46.Lc4#; E) 45...Ke6 46.a5 Kd7 47.Kd2 Lf3 48.e4 Lxe4 49.Ke3=]
45...Lf3 46.Kd3 Ke6 47.Kd2 Kf6 48.e4 f4! Boing!. Black gets deadly initiative 49.gxf4 exf4 50.Kd3 g5 51.hxg5+ Kxg5 52.e5 Kf5 53.Kd4 Lg4 54.Ld3+? but even a better move would not have saved the game
[54.e6 Kxe6 55.Ke4 f3 56.Kf4 (56.Ke3 h4 57.Kxf2 Kf5 58.Ke3 Ke5 59.Kf2 Kd4 0–1) 56...Kd5 57.Ke3 h4 0–1]
54...Ke6 55.Lf1 h4 56.Ke4 h3 57.Kxf4 h2 0–1