Langer,Michael (2315) - Yermolinsky,Alex (2600) [C45]
Stillwater (5) 2009
Notes by Michael Langer
1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Nxd4 Bc5 5.Be3 Qf6 6.Nb5?!
Blumenfeld attack! The guy who invented it, defenestrated himself soon after.
6...Bxe3 7.fxe3 Qh4+ 8.g3 Qd8
There is a forced draw after 8...Qxe4 9.Nxc7+ Kd8 10.Nxa8 Qxh1 11.Qg4 Qg1! 12.Qxg7 Qxe3+ 13.Be2 Qg1+ 14.Bf1 Qe3+ 15.Be2.
I expected 9..g5 as GM Onischuk played against me in the Labor Day NAO about 5 years ago. I thought 9..g6 is a patzer move, as it weakens dark squares terribly, but Yermo clearly prepared it... Now forced sequence follows.
10.Qf4 d6 11.Bc4 Ne5 12.0–0 Bh3
...Qe7 instead is a blunder that loses by force after N1c3. I have won dozens of tournament games like this against lower-rated players. It serves as a good test of playing strength. I would estimate that it takes about 2100 player to see that Qe7 loses. Instead 12..Qd7 was the move I expected. Bh3 came as a surprise to me and was played quickly by Yermo, clearly prepared.
I looked at [13.Bxf7+ Kd7 (13...Ke7?? 14.Qh4+) 14.Rd1] line, but Black has Qe7 at the end. I felt I had to maintain the initiative at all costs, otherwise White is just busted with his bad pawn structure. Of course, I also had to calculate some lines to make sure there is no easy defense for Black, after he takes the exchange.
Probably already a mistake. Yermo suggested 13..Qd7 after the game as an improvement.
Now it's very awkward for Black. None of the defenses seem to work. Yermo though thought he had one with:
and the game is over
Here I thought for a while, because I couldn't decide between Nd5 and Nd4. Both moves win - 15...Qxe6 16.Nxc7+ or 15...fxe6 16.Qf8#]
Also wins: 16.Nd5 fxe6 17.Qf8+ Kd7 18.Qg7+ Ne7 19.Qxe7+ Kc8.
Black resigned in lieu of:
16...Qa6 (16...Qc5 17.Bxf7+ Kd7 (17...Kd8 18.Ne6+; 17...Nxf7 18.Qxf7+ Kd8 19.Ne6+; 17...Ke7 18.Nd5+ Kd8 19.Ne6+) 18.Be6+ Ke7 19.Nd5+ Ke8 20.Qf8#) 17.Nd5 Kd8 18.Qg5+ f6 19.Rxf6 Ne7 20.Rf8+ Rxf8 21.Qxe7# 1–0
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