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What known position has the largest number N, such that white can always win in less then N moves? I found one with 7 pieces and mate in 517.
no, you didn't find it. some other guy found it and you saw the position.
Mate in 517 with 7 pieces is a draw.
No, his computer found it and he saw it on his computer. We are ignoring 50-move rule.
5/22/2015 - Surya Ganguly - Emanuel Berg , Gibraltar, 2009
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