Thursday, 2 July 2020

Back To The Drawing-Board (part four)?

WHEN the world champion plays a gambit, the world pays attention, even if the game is at blitz.
Magnus Carlsen (2882) - Yangyi Yu (2752)
St Louis Blitz 2019
1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 4.Nxf7!? Kxf7 5.d4 c5!? 6.Nc3!?
So far as in Aleksei Pridorozhni (2589) - Semen Khanin (2485), Voronezh (Russia) 2018, which saw 6...Nc6: https://beauchess.blogspot.com/2020/07/back-to-drawing-board-part-three.html
6...cxd4 7.Bc4+ Ke8!?
This apparent novelty is not liked by the analysis engines Stockfish11 and Komodo11.01, which prefer a known move, 7...d5!?
8.Qxd4 Nc6 9.Qe3 Qb6 10.Qg3
It is hard to place much faith in the engines' 10.Qxb6 axb6 11.Be3.
10...Nd4!?
The engines reckon much better is 10...Qd4, which forces White to spend a tempo safeguarding his attacked light-square bishop.
11.0-0 Be6 12.Bxe6 Nxe6 13.Nd5 Qc6
Possible is 13...Nxd5 14.exd5 Nc5 although the black king is left looking very exposed. Definitely bad is 13...Nxe4?? 14.Qg4.
14.Nxf6+
The engines suggest 15.Qh3 Kf7 16.Nxf6 gxf6 17.Qh5+, although still preferring Black.
14...gxf6 15.Qg4 Ke7!?
By no means an obvious move but it seems to be strong. The king looks reasonably safe on e7, but how will Black develop his kingside?
16.Bd2 h5 17.Qg6?!
The queen becomes a target here, so perhaps 17.Qf5 was better.
How should Black proceed?
*****
*****
*****
*****
*****
17...Bh6! 18.Bc3
If 18.Bxh6 then 18...Rag8 regains the temporarily sacrificed piece.
18...Raf8 19.Rfe1 Bf4 20.Rad1 Be5
Black has completed development and solidified his position.
The game finished:
21.Re3 Rfg8 22.Qf5 Nf4 23.Bxe5 dxe5 24.h4 Nxg2 25.Rg3 Ne3 0-1
Cochrane's Gambit in the Petrov is not easy for either side to play. Tactics dominate well into the middlegame, which often makes for quick decisions.
I would suggest that for club players it could make an interesting choice for games with relatively fast time-controls, including weekend congresses and evening league matches.

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