This is true if you only count as mistakes moves which turn a winning position into a losing position, as gRR said elsethread. (I think I picked up this meaning from Chessmaster 10′s automatic analyses, and was implicitly assuming it when reading the Tartakower quote.)
This is true if you only count as mistakes moves which turn a winning position into a losing position, as gRR said elsethread. (I think I picked up this meaning from Chessmaster 10′s automatic analyses, and was implicitly assuming it when reading the Tartakower quote.)