Problem Display
PID: 87189 (8/8/8/N7/p2K4/2Q5/8/1k6 w - - 0 1)

Radchenko, Sergei Vladimirovich

Apprenti Sorcier, 1994

8/8/8/N7/p2K4/2Q5/8/1k6

#3

3 + 2


6490 yacpdb 2009

SOLUTION


  • SOUND
  • Sets
    • 1...a3
      • 2.Sb3
        • 2...Ka2
          • 3.Qc2#
        • 2...a2
          • 3.Sd2#
          • 3.Qc1#
  • Tries
    • 1.Kd3?
      • 1...a3
        • 2.Sb3
          • threat
            • 3.Qa1#
            • 3.Qc2#
          • 2...Ka2
            • 3.Qc2#
        • 2.Qc2+
          • 2...Ka1
            • 3.Sb3#
      • 1...Ka2!
    • 1.Ke3?
      • 1...a3
        • 2.Sb3
          • 2...Ka2
            • 3.Qc2#
          • 2...a2
            • 3.Sd2#
            • 3.Qc1#
      • 1...Ka2!
    • 1.Kc4?
      • 1...a3
        • 2.Kb3
          • 2...a2
            • 3.Qe1#
            • 3.Qb2#
        • 2.Sb3
          • 2...Ka2
            • 3.Qa1#
            • 3.Qc2#
          • 2...a2
            • 3.Sd2#
            • 3.Qc1#
      • 1...Ka2!
    • 1.Ke4?
      • 1...a3
        • 2.Sb3
          • 2...Ka2
            • 3.Qc2#
          • 2...a2
            • 3.Sd2#
            • 3.Qc1#
      • 1...Ka2!
    • 1.Kc5?
      • 1...a3
        • 2.Sb3
          • 2...Ka2
            • 3.Qc2#
          • 2...a2
            • 3.Sd2#
            • 3.Qc1#
      • 1...Ka2!
    • 1.Kd5?
      • 1...a3
        • 2.Sb3
          • 2...Ka2
            • 3.Qc2#
          • 2...a2
            • 3.Sd2#
            • 3.Qc1#
      • 1...Ka2!
    • 1.Ke5?
      • 1...a3
        • 2.Sb3
          • 2...Ka2
            • 3.Qc2#
          • 2...a2
            • 3.Sd2#
            • 3.Qc1#
      • 1...Ka2!
    • 1.Sc4?
      • threat
        • 2.Qb2#
      • 1...Ka2
        • 2.Qb2#
      • 1...a3!
    • 1.Qc2+?
      • 1...Ka1
        • 2.Kc3
          • 2...a3
            • 3.Sb3#
        • 2.Kd3
          • 2...a3
            • 3.Sb3#
        • 2.Ke3
          • 2...a3
            • 3.Sb3#
        • 2.Kc4
          • 2...a3
            • 3.Sb3#
        • 2.Ke4
          • 2...a3
            • 3.Sb3#
        • 2.Kc5
          • 2...a3
            • 3.Sb3#
        • 2.Kd5
          • 2...a3
            • 3.Sb3#
        • 2.Ke5
          • 2...a3
            • 3.Sb3#
      • 1...Kxc2!
  • Keys
    • 1.Qd2!
      • 1...Ka1
        • 2.Qc2
          • 2...a3
            • 3.Sb3#
      • 1...a3
        • 2.Sb3
          • 2...a2
            • 3.Qc1#

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