Test your chess: daily chess puzzle # 117

allanbeardsworth

Black to play and win

K O'Sullivan v A Van Tets 1973

 

Therefore, 1….Ra3! is the move, and even with a few minutes on the clock, or less, it is clearly better than 1…Rc8: the ending after swapping off on c5 and b3 must be better than the ending after 1…Rc8.
In fact, the win is trivial: the f4 pawn drops off, black's e6 pawn can be defended if white biffs it, so 0-1.
Briefly, back to 1…Rc8, since there is a nice line. Say 2 Ke3 (marking time) 2…c4 3 Rc2 (marking time)
What happens if black plays 3…cb or 3…c3
If Black is sharp enough to see 3…cb 4 Rc8 c2 (and the rook can't prevent the pawn from queening; or if black pushes his pawn forward with …c3, intending either to reinforce if with …b4, if permitted, or if white plays b3-b4, to then come in…

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Published by chessmusings

Chris Torres is a nationally renowned scholastic chess coach working in both Bakersfield and the San Francisco Bay Area. His classes have attracted players of strengths ranging from rank beginners to world champions. A chess professional since 1998, Chris is widely recognized as one of the main driving forces behind the explosion in popularity and sudden rise in quality of scholastic chess in California. Currently, Chris Torres has the ranking of candidate master and serves as the President of the Torres Chess and Music Academy. Mr. Torres’ hobbies include playing classical guitar and getting his students to appear on the national top 100 chess rating lists.

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