(63) Georg,M (2146) - Bohnenblust,S (2273) [C12]
Championnat biennois, 1999
1.e4 e6 2.d4 d5 3.Sc3 Sf6 4.Lg5 Lb4 5.e5 h6 6.Ld2 Lxc3 7.bxc3 Se4 8.Dg4 g6 9.Ld3 Sxd2 10.Kxd2 c5 11.h4 Ld7 12.Th3 De7 13.Tb1 Lc6 14.Tf3 Sd7 15.Df4 g5 16.Dg4?!N

[16.hxg5 hxg5 17.De3 0–0–0 18.Tg3 Tdg8 19.Sh3 f6 20.exf6 Sxf6 21.Txg5 c4 22.Lf5 Se4+ 23.Lxe4 dxe4 24.Dg3 Txg5 25.Dxg5 Df7 26.Sf4 Tg8 27.De5 e3+ 28.fxe3 Dh7 29.Dxe6+ Kb8 30.Dxc6 1–0 Kiefer,G-Teuchert,B/BL 1981/BL 80]

16...0–0–0! 17.hxg5 hxg5 18.Th3 f5 19.Dg3?!

[19.exf6 Sxf6 20.De2 c4=+]

19...g4 20.Txh8 Txh8 21.Lb5 Th1! 22.Lxc6 bxc6 23.Te1!?

[23.Dd3 Dg5+ 24.Ke2 c4-/+]

23...Sb6 24.Se2!?

[24.Ke2 Dg5-/+]

24...Sc4+ 25.Kd1 Sb2+ 26.Kd2 Sc4+ 27.Kd1 Txe1+ 28.Kxe1 cxd4 29.Sxd4?

[29.cxd4 Db4+ 30.Sc3 c5 31.Dd3-/+]

29...Da3 30.Kd1

[30.Ke2? Dxa2–+]

30...Sb2+ 31.Kd2 Sc4+ 32.Kd1 c5

[¹32...Dxa2!? 33.Sb3–+]

33.Sxe6 Dxa2

34.Df4

only move [34.Sxc5?? leads to mate in 4 34...Db1+ 35.Ke2 Dxc2+ 36.Ke1 Dd2+ 37.Kf1 Dd1#]

34...Db1+!

[34...Da1+?! 35.Dc1 Dxc3?! 36.Sxc5 Sxe5 37.Df4 Dxc5 38.Dxe5 Dxf2 39.Dxd5 unclear]

35.Dc1 Sb2+ 36.Kd2 Sc4+ 37.Kd1 Dxc1+ 38.Kxc1 Sxe5 39.Sxc5 Kc7 40.Se6+ Kb6 41.Kd2 a5 42.Ke3 Sc6 43.Sf4 Kc5 44.Sd3+ Kc4 45.Kd2 a4 46.Sc1 Se5 47.Sa2 f4 48.Ke2 a3 49.Kd2 Sc6 50.Ke2 d4 51.cxd4 Sxd4+?!

[¹51...Sb4!? 52.Sc1 a2 53.Sxa2 Sxa2–+]

52.Kd2 Sc6 53.g3 Sb4 54.Sc1 f3 55.Sb3 a2?!

[¹55...Sd3! seems even better 56.Sa5+ Kb4 57.Sb3 (57.cxd3?? capturing the knight would seal White's fate 57...a2 58.Sc6+ Ka4–+ 0–1) 57...Sxf2 0–1]

56.Sa1?!

[¹56.Sa5+ Kb5 57.Sb3 Ka4 58.Sa1 Ka3 59.c3 Sa6 (59...Kb2?? 60.cxb4 Kxa1 61.Kc2=) 60.Kc2 Sc5 0–1]

56...Sd5 57.Sb3 Sc3 58.Sa1 Se4+ 59.Ke3 Sxf2!

the end, the rest is history[59...Sxf2 60.Kxf2 Kc3–+] 0–1