Thursday, 7 December 2023

Benidorm U2000 Round Three

FACED a Russian junior (born 2008), whose rating rose 218 points this month after he played in another Benidorm congress, held in Hotel Meliá at the far east end of the resort.
His most-recent classical tournament before that was the June 2022 Botvinnik Cup in Moscow, where he gained 121.6 Fide elo.

Stepan Bukharkov (1530) - Spanton (1743)
Réti
1.Nf3 d5 2.g3 Nc6 3.d4 Bf5 4.Bg2 Qd7 5.Ne5!? Nxe5 6.dxe5 c6
How should White proceed?
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7.e4!?
This may be a novelty. Hungarian Gedeon Barcza played 7.h3 in a 1946 game and, three years later, 7.c4.
7...dxe4 8.Qxd7+ Kxd7 9.Nc3 e3?!
Black should probably get on with development.
10.Bxe3 Bxc2?
Grabbing a pawn is simply wrong.
11.Rc1 Bg6 12.Rd1+?!
The queen's rook is already well-placed. Almost certainly better is castling, followed by playing the king's rook to d1.
12...Kc7?
Stockfish16 and Komodo14.1 much prefer 12...Kc8, and if, as in the game, 13.0-0, they reckon 13...e6 equalises. However the engines give 13.e6!? as good for White.
13.0-0 e6
16.Bxd5 
White to play and win
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14.Rd2
White may have a tiny pull after this, but the engines give 14.Nb5+!, the point being 14...cxb5 runs into 15.Rc1+, eg 15...Kb8 16.Rfd1 Be7 17.Rd7 etc, or 15...Kd7 16.Rfd1+ Ke8 17.Bxb7 Rb8 18.Bc6+ Ke7 19.Bc5#. Better seems to be 14...Kc8 15.Nxa7+ Kc7 16.Nb5+ Kc8 (capturing the knight is still no good), but 17.Bb6 Be7 18.Na7+ forces Black to give up the exchange.
14...Ne7 15.Rc1 Nd5?
Black holds with 15...a6.
16.Bxd5 exd5 17.Nxd5+ Kc8 18.Bg5 h6 19.Nb6+! axb6 20.Rd8+ Kc7 21.Rxa8 hxg5
Black has two bishops for a rook, but is lost
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22.Rd1 Bf5 23.Rdd8 Be6 24.Rxf8 Rxf8 25.Rxf8 Bxa2
Black now has a pawn for the exchange, but the engines favour White by the equivalent of about a rook
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26.Kf1 g4 27.Ke2 c5
Playing 27...Bd5 is not much of an improvement - Black is lost anyway.
The game finihsed:
28.f3 gxf3+ 29.Kxf3 Bd5+ 30.Kf4 b5 31.h4 g6 32.g4 Kd7 33.h5 Ke7 34.Rc8 gxh5 35.gxh5 Bc4 36.h6 Bd3 37.Rxc5 f6 1-0

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