White to move, blocking (Step 5)
answer
Qg7+ Kf1, Qa1+ Qe1, Qa6+ a) Kf2, Qa2+ ..., Qg2# b) Kg1, Qg7+ ..., Qg2#
or
Qa1+ Qf1, Qg7+ Kf2, Qg3#
or
Qa1+ Qf1, Qg7+ Kf2, Qg3#
Coach AndyPrinceton Chess Academy Archives
January 2020
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