Sunday, April 12, 2015

Jason Delpire Sacrifices to Win Caro-Kann

Jason Delpire posted a Caro-Kann Defence and commented:

"Kind of a "helpmate game". This is the first game with time controls of 5/0 in well over a year for me (meaning: my rating is not a reliable gauge of my playing strength). Tim Sawyer, is 4.Bc4 correct, or should I play 4.f3 first?"

I answered, "Theory seems to slightly favor 4.f3 over 4.Bc4, although if you play both in the same game, positions often transpose. Black may play Nf6, e5 or b5 on move four or five, and each brings its own issues. I note Black here avoided Nf6. Maybe I will use this game for my blog this coming week."

Jason Delpire replied, "That would be great if you used my game! I usually play 4.Bc4, and have yet had someone try anything other than protecting e4. I know I was happy when I saw 7...Nd7, as it blocks the Q from attacking the d-pawn which can be quite weak and distracting, especially with the hole on f2. The questionable sac 9.Nxe6 was fun, and it's a shame I missed a Queen sac for mate."

Key in Jason's choices is that Black did not play ...Nf6.

jtdelpire (1864) - gonchar (1219), FICS, 08.04.2015 begins 1.e4 c6 2.d4 d5 3.Nc3 dxe4 4.Bc4 Bf5 5.f3 exf3 6.Nxf3 e6 7.0-0 Nd7 8.Ng5 Nh6 9.Nxe6!? [This could be fun in a blitz game. White could play 9.a4 if he does not want to back up to sacrifice on e6.] 9...fxe6 10.Bxh6 gxh6 11.Rxf5 [11.Bxe6 Bg6 12.Qg4 h5 13.Rae1 Be7 (13...hxg4? 14.Bf7!#) 14.Qh3 Nf6-/+] 11...Bg7? [Another critical line is 11...exf5 12.Qh5+ Ke7 13.Ne4 Qa5-/+] 12.Qh5+ Ke7 13.Rf7+ Kd6 14.Rxg7 Qb6 15.Ne4+ [Jason Delpire writes: "Grr, missed mate in two." 15.Qe5+! Nxe5 16.Ne4#! Yes, that is pretty. Your move also leads to mate, just not quite as quickly.] 15...Kc7 16.Qe5+ Kd8 17.Rxd7+ Kxd7 18.Nf6+ Ke7 19.Qxe6+ Kd8 20.Qd7# 1-0

You may also like: King Pawn (1.e4 e5) and Queen Pawn (1.d4 d5)
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