Weekly endgame study | June 05, 2011 21:07

Weekly Endgame Study (221)

Weekly Endgame StudyEvery week we present you an endgame study selected by IM Yochanan Afek: player, trainer, endgame study composer and writer. A week later the solution is published. Good luck solving!

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V. Neishtadt

White to play and draw

Next week the solution.

Solution last week

Y. Bazlov

Game viewer by ChessTempo

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Yochanan Afek's picture
Author: Yochanan Afek

IM Yochanan Afek is a chess player, trainer, endgame study composer and writer. His complete selection of studies can be found here.



Yochanan Afek's picture

As to No.220 (Bazlov) : The composer himself has just refuted Keith's "refutation": 3.c7? Nxc7 4.h7 Nd4+ 5.Ke4 Bb7+ 6.Kd3 Ndxe6 and black wins.

choufleur's picture

nice study

Frits Fritschy's picture

Strange. The object for white is a draw, the variation 3 Ke5 purportedly leads to a draw but still Ke5 gets a question mark. Moreover, you expect that a solution gives clear variations, but after a quick glance I couldn't even say who is better after 11 Kc5.
Are we being tested or has something gone wrong?

Frits Fritschy's picture

To answer myself:
1.h6 Ne2 2.d7 Ba6 3.Ke5 is close to a second solution, as Fritz tells me.
3... Nb4 4.c7 Nc6+ 5.Kd5 Bb5 6.Ke4
Now 6... Nc3+ seems the best try (6...Kg3 7.d8Q Nc3+ 8.Ke3 Nxd8 9.c8Q Bg5+ 10.Kd4 Ne2+ 11.Kc5 Bd3 12.Qd7 Bf5 13.h7 Nxe6+ 14.Kc4 Bf6 15.Qf7 N2f4 16.Qxf6 Bxh7 should be a clear draw) The following line may be forced (the white king dodging forced mates):
7.Kf3 Ne5+ 8.Kf4 Nxd7 9.c8Q Bg5+ 10.Kf3 Ne5+ 11.Kg2 Bc6+ 12.Kf1 Ne4 13.h7 Ng3+ 14.Ke1 Nd3+ 15.Kd1 Ba4+ 16.Qc2 Nf2+ 17.Ke1 Bxc2 18.h8Q+ Kg4 19.Kxf2 Nf5 No way I could have found this without an engine. After this black at least has practical chances, but even with an engine, I'm not going to analyse this.
Conclusion: this can't be what the composer meant.

IC's picture

also in this week it should be white to play and win cause draw it qutie easy... the win is quite nice its probably just a typo

Yochanan Afek's picture

Daniel Keith has found also a dual in Bazlov's (220): 3.c7! Nxc7 4.h7 and black cannot win.

Roberto Stelling's picture

@IC. Agreed, #221 is definitively white to play and win.

choufleur's picture

come on again a mistake in 221's subtitle?
it is NOT White to play and draw ?
This already occurred in 219 (was corrected since) !
Not twice the same mistake Mr Afek, this is a basic chess lesson !

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