White to move. How should white proceed?
Chess Daily News from Susan Polgar
Endgame chess tactic review
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White to move. How should white proceed?
Qf8
cuts off f7… f4…. c5
1. Qf8, Qd4
2. Qc8+, Ka7
3. Qb7#
1.Qf8 Qf4+
(1…Qd4 2.Qc8+ Ka7 3.Qb7#)
2.Qxf4 d2
3.Qxd2 h5
4.Qd8 Ka7
5.Qb8+ Ka6
6.Qb6#
Qf8 ! with mate in a8 or c8
Qd8
1. Qf8 to stop black Q checking from f4 or f7
if 1…..Qd4
2. Qc8+
or 1…..Ka7
2. Qb8+
1.Qf8!White threatens mate and stops checks at f4 and f7.Black must move to block the mate at a8 1…Qd4 to interpose the Q should White + at a8
2.Qc8+ Ka7 If White checked at a8 Black interposes his Q – 2…Qa7+!! and W must trade Q’s allowing Black to queen his d pawn.3.Qb7#
Published earlier.
1. Qf8
Threatens Qa8#, and also protects f7 and f4, the only 2 squares from where black can give a check.
1. …. Qc5
2. Qc8+ Ka7
3. Qb7#
1. …. Ka7
2. Qb8+ Ka6
3. Qb7#
Qf8!!
Qf8!!
White next move: Qf8