Тест Тестовый (Algeria)
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1.Sb6? threat
2.Qc4 + Ka5 3.S~/Qa4#
1...Ka6 2.Qa4 + Kb7 3.Qa8#
1...Kc5 2.Qc4 + Kd6 3.Qd5#
1...Ka5 2.Qa4#
but
1...Kc6!
1.Qe7 ! threat
2.Qc5 +
2...Ka6 3.Qb6#
2...Kxa4 3.Qa5#
1...Kc6 2.Sc3 threat 3.Qc7#
1...Kxa4 2.Qc5 threat 3.Qa5#
1...Ka6 2.Qd7 threat 3.Sc5#
1...Kc4 2.Qc5 + Kd3 3.Qc3#
Star, model mates, 2 flights giving key, active sacrifice
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