Every 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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Y. Afek 1997

PGN string

White to play and draw

Last week we posted the following study: 

R. Becker 2010

PGN string

White to play and win

Unfortunately, only after publishing we found out that there is a cook in the study. Here's the correct position, and the solution:

PGN string