Friday, August 11, 2017

London System Bxh7+ Sacrifice

Chris Hansen won another interesting London System. I include some of his remarks which I edited for space.

“Hi Tim! I just finished a rather quick London. I've noticed with the London...there are transpositions galore. This game was my first EVER (including postal, blitz and otb), opportunity to do a classic B sac on h7. I'm astounded how many attacking formations evolve with this opening...driven, in most part (as you mention) by a mistake (major or minor) by black. Another interesting point, [there is a] strong correlation to the Colle....a great source for White attacking formations....and defenses too... Still working on the Qside fianchetto... Capablanca's favorite formation vs the Colle...and I suspect this opening too (not sure if he ever faced the London). Best Regards, Chris”

Jose Raul Capablanca played both the London and the Colle through his career from both sides of the board. The London got its name when Alekhine, Rubinstein, and Capablanca all won with it against the Kings Indian Defence in August 1922 in the London tournament. I include a short London 2.Bf4 in my notes that Capablanca won 11 years before the London tournament.

Hansen - Guest277631, Friendly Game, 3m + 0s Café, 04.08.2017 begins 1.d4 d5 2.Bf4 e6 [2...c5 3.e3 Nc6 4.Nf3 Nf6 5.Nbd2 Bg4 6.c3 e6 7.h3 Bh5 8.Qb3 Qb6 9.Ne5 Nxe5 10.Bxe5 Nd7 11.Bb5 f6 12.Bh2 c4 13.Qa4 Rd8 14.b3 a6 15.Bxd7+ Rxd7 16.bxc4 Qb2 17.Rb1 Qxc3 18.g4 b5 19.cxb5 Bg6 20.bxa6 Bxb1 21.a7 Bd3 22.a8=Q+ Kf7 23.Qxd7+ Kg8 24.Qxe6# 1–0 Capablanca - Tipal, London 1911] 3.e3 c5 4.c3 Nc6 5.Bd3 Nf6 6.h3 Bd6 7.Bxd6 Qxd6 8.Nf3 cxd4 9.exd4 0-0 10.Qe2 Re8 11.Ne5 Nd7 [11...Qe7 12.f4= White appears more comfortable, but Black can defend everything at the moment.]
12.Bxh7+! Kf8 [12...Kxh7 13.Qh5+ Kg8 14.Qxf7+ Kh7 15.Qh5+ Kg8 16.Qxe8+ picks off the rook.] 13.f4 f6 [Or 13...g6 14.h4 Kg7 15.h5 Rh8 16.Bxg6 fxg6 17.Nxg6 Rh6 18.Nd2 Nf8 19.Ne5 Nxe5 20.fxe5 Qe7 21.0-0-0+/- when White has three pawns and a strong attack for the bishop.] 14.Ng6+ Kf7 15.Qh5 [After 15.Qh5 f5 16.Nd2 Nf6 17.Ne5+ Ke7 18.Qg6+-] 1-0

Sets: Chess Games 1.e4 Series and Chess Games 1.d4 Series
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