(126650) Orr,M (2360) - McShane,L (2455) [A45]
Kilkenny Kilkenny (6), 1997
[Fritz 6 (30s)]
A45: Trompowsky Attack
1.d4 Nf6 2.Bg5 Ne4 3.Bf4 c5 4.f3 Qa5+ 5.c3 Nf6 6.d5 Qb6 7.Bc1 e6 8.c4
8...Qa5+N [8...exd5 9.cxd5 c4 10.e3 Bc5 11.Kf2 0-0 12.Bxc4 Re8 13.Qb3 Na6 14.Ne2 Qxb3 15.Bxb3 Nb4 16.Rd1 d6 17.a3 Na6 18.Nbc3 Bd7 19.Ba4 Re5 20.Bxd7 Nxd7 21.b4 Bb6 22.Na4 Nc7 23.Nxb6 Davies,N-Rajlich,V/Toronto 1998/CBM 65 ext/1-0 (39); 8...Qb4+ winning the c4-pawn]
9.Bd2 Qc7 10.Nc3 Bd6 Threatening mate: Bg3
11.e4 11...a6 Secures b5 preventing Nb5
[11...Bxh2 12.Nge2³ Bg3+ 13.Nxg3 Qxg3+ 14.Ke2 exd5 15.Nxd5 Nxd5 16.exd5 0-0]
12.Bd3 [12.g3 b6=]
12...exd5 13.exd5 0-0 14.Nge2 Re8 [14...Bxh2? doesn't lead to the expected results 15.f4 Ng4 16.Bf5+-]
15.a4 Bxh2 16.Qc2 White is in command
16...g6 Covers f5
17.0-0-0 17...Bd6 [17...b5 looks like Black's last chance 18.Bg5 Be5 19.axb5=]
18.g4 [18.Bg5 Nh5 19.Rxh5 gxh5 20.Bxh7+ Kg7 21.Qf5+-]
18...b5 19.g5 19...b4 Black wins space
[19...Nh5!?= is worthy of consideration 20.Rxh5 gxh5 21.Bxh7+ Kg7 22.Qf5+-]
20.gxf6 bxc3 21.Bxc3 [21.Qxc3?! Be5 22.Qc2 Bxf6=]
21...Be5?? the final mistake, not that it matters anymore
[21...Bf4+ 22.Nxf4 Qxf4+ 23.Kb1 Bb7+-
(23...Qxf3?? Black will choke on that pawn
24.Qd2 Re3 25.Rhe1+-) ]
22.Bxg6!+- Demolition of pawn structure
22...hxg6 [22...fxg6 23.f7+ A double attack]
23.Qd2 Bxc3 [23...Bh2 doesn't get the bull off the ice 24.Qh6 Qf4+ 25.Nxf4 Bxf4+ 26.Qxf4 Re2 27.Rh8+ Kxh8 28.Qh6+ Kg8 29.Qg7#]
24.Rh8+!! [24.Rh8+ Kxh8 25.Qh6+ Kg8 26.Qg7#]
1-0