Problem Display
PID: 13074 (8/2P5/8/3kp3/8/8/K6Q/8 w - - 0 1)

Boardman, Harry

Source?, 1885

8/2P5/8/3kp3/8/8/K6Q/8

#3

3 + 2


1829 The Theory of Pawn Promotion 1912

SOLUTION


  • SOUND
  • Tries
    • 1.Qxe5+?
      • 1...Kc4
        • 2.c8Q+
          • 2...Kd3
            • 3.Qcc3#
          • 2...Kb4
            • 3.Qg4#
      • 1...Kc6
        • 2.c8Q+
          • 2...Kb6
            • 3.Qec5#
      • 1...Kxe5!
  • Keys
    • 1.c8Q!
      • threat
        • 2.Qhc2
          • threat
            • 3.Qd3#
            • 3.Qd7#
          • 2...Kd4
            • 3.Q8c5#
          • 2...Kd6
            • 3.Q2c5#
          • 2...e4
            • 3.Q2c5#
        • 2.Qd2+
          • 2...Ke4
            • 3.Qg4#
        • 2.Qf2
          • 2...Ke4
            • 3.Qc4#
          • 2...Kd6
            • 3.Qfc5#
          • 2...e4
            • 3.Qfc5#
      • 1...Kd4
        • 2.Qd2+
          • 2...Ke4
            • 3.Qg4#
      • 1...Ke4
        • 2.Qe2+
          • 2...Kd4
            • 3.Qcc4#
          • 2...Kf4
            • 3.Qcg4#
          • 2...Kd5
            • 3.Qd3#
      • 1...Kd6
        • 2.Qhh3
          • threat
            • 3.Qhe6#
            • 3.Qhd7#
          • 2...Kd5
            • 3.Qd3#
          • 2...Ke7
            • 3.Qhe6#
      • 1...e4
        • 2.Qcc7
          • threat
            • 3.Qhe5#
            • 3.Qhd6#
          • 2...Kd4
            • 3.Qd2#
          • 2...Ke6
            • 3.Qhe5#

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