Test your chess: daily chess puzzle # 177

White to play and win, after Black plays Qd6-d5

C Melboom v AA Ponelis 1984

Solution

A nice combination: quite deep, but calculable, because it is mainly forced responses. 1 hg+! hg (exchanging pawns is vital, to make the pawn on g5 LPDOS) 2Rf7+! forces 2…Kf7 since 2…Qf7? is met by 3 Qe5 mate. After 2..Kf7, 3 Qe7+ Kg8[] and white has just enough power to force a win: 4 Qg5+ Kf8 (4…Kf7? 5 Re7+ and 6 Qg7 mate) 5 Qf6+ Kg8 6 Re4! and wins. Black can take the rook, but white's queens and pawns suffice.

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