MESON Chess Problem Database

Problem Display
PID: 128326 (4K3/8/p7/P2B4/kp6/8/4Q3/8 w - - 0 1)

Kovalenko, Vitaly Semenovich

Svergunov-70 JT, 1993

4K3/8/p7/P2B4/kp6/8/4Q3/8

#3

4 + 3

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Ka3
      • 2.Qa2#
  • Tries
    • 1.Qd3?
      • threat
        • 2.Bc6+
          • 2...Kxa5
            • 3.Qd8#
      • 1...b3
        • 2.Qc3
          • 2...Ka3
            • 3.Qxb3#
          • 2...Kb5
            • 3.Bc6#
          • 2...b2
            • 3.Bc6#
      • 1...Kxa5!
    • 1.Qc4?
      • 1...Ka3
        • 2.Qa2#
        • 2.Qb3#
      • 1...Kxa5!
    • 1.Qc2+?
      • 1...Kb5
        • 2.Bb3
          • 2...Kxa5
            • 3.Qc5#
        • 2.Bc6+
          • 2...Kxa5
            • 3.Qc5#
      • 1...b3
        • 2.Qc3
          • 2...Ka3
            • 3.Qxb3#
          • 2...Kb5
            • 3.Bc6#
          • 2...b2
            • 3.Bc6#
      • 1...Kxa5!
    • 1.Qf2?
      • 1...Kxa5
        • 2.Bc6
          • 2...b3
            • 3.Qc5#
      • 1...Kb5
        • 2.Bb3
          • threat
            • 3.Qb6#
          • 2...Kxa5
            • 3.Qc5#
          • 2...Kc6
            • 3.Qb6#
      • 1...b3!
  • Keys
    • 1.Qe3!
      • threat
        • 2.Bc6+
          • 2...Kxa5
            • 3.Qc5#
      • 1...Kxa5
        • 2.Bc6
          • 2...b3
            • 3.Qc5#
      • 1...Kb5
        • 2.Bb3
          • threat
            • 3.Qb6#
          • 2...Kxa5
            • 3.Qc5#
          • 2...Kc6
            • 3.Qb6#
      • 1...b3
        • 2.Qc3
          • 2...Ka3
            • 3.Qxb3#
          • 2...Kb5
            • 3.Bc6#
          • 2...b2
            • 3.Bc6#

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