Tuesday, 12 October 2021

Calvià Round Three

My game from last night.

Spanton (1731) - Dolores Heble García (no Fide - c970 Spanish)
Irregular
1.Nf3 d6 2.e4 Bg4 3.Bc4 a6? 4.Bxf7+!
ChessBase classifies this as a "Pirc Defence: Miscellaneous Systems," but Black's first two moves, 1...d6 and 2...Bg4, are often regarded as the Wade defence to the Réti. Either way, Stockfish14 and Komodo12.1.1 already give White a winning advantage.
4...Kxf7 5.Ng5+ Ke8 6.Qxg4 Nf6 7.Qf3 h6 8.Ne6 Qd7 9.Qf5?!
The engines reckon best is 9.Qb3.
Black to play and keep some drawing chances
*****
*****
*****
*****
*****
9...Qc6?
After 9...Kf7 10.Nf4! (10.Nxf8!? perhaps also gives an edge, but not 10.Nd4? e5! when Black has good compensation for a pawn, eg 11.Ne2!? - better than 11.Nf3, according to the engines - Qxf5 12.exf5 d5) Qxf5 11.exf5 Nc6 the engines agree White is much better but nowhere near as good as in the game.
10.Nc3 Rg8
This is the engines' second choice, narrowly behind 10...a5, but Black is busted.
11.Nd5
Also devastating is 11.Qg6+ Kd7 12.Qf7.
11...g6 12.Nexc7+ Kd8 13.Qe6 Qxc2? 14.Nxa8 Qc8
A marginally better way to get queens off the board is 14...Qxe4+.
The game finished:
15.Qxc8+ Kxc8 16.Nxf6 Rg7?? 17.Nb6+ Kc7 18.Nfd5+ Kd8 19.d3 Rf7 20.Be3 Nc6 21.0-0 Bg7 22.Rab1 e6 23.Nf4 Be5?! (this somehow manages to be Stockfish14's top choice for a short while) 24.Nxg6 Bg7 25.Rfc1 Nb4?? 26.Rc8#

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