MESON Chess Problem Database

Problem Display
PID: 200363 (8/1k3B2/1P6/K7/8/8/8/5Q2 w - - 0 1)

Surkov, Valery Albertovich

Sachova skladba, 1998

8/1k3B2/1P6/K7/8/8/8/5Q2

#2

4 + 1

SOLUTION

  • SOUND
  • Tries
    • 1.Bd5+?
      • 1...Kb8
        • 2.Qf8#
      • 1...Kc8!
    • 1.Qc4?
      • 1...Ka8
        • 2.Qc8#
      • 1...Kb8!
    • 1.Qc1?
      • 1...Ka8
        • 2.Qc8#
      • 1...Kb8!
    • 1.Qf5?
      • 1...Kc6
        • 2.Qd5#
      • 1...Ka8
        • 2.Qc8#
      • 1...Kb8!
  • Keys
    • 1.Qf4!
      • 1...Kc6
        • 2.Qc7#
      • 1...Ka8
        • 2.Bd5#
      • 1...Kc8
        • 2.Qc7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(D);CHECK
      • Vars
        • K(a);P-FLIGHT::QAR(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(A);
      • Vars
        • K(a);S_FLIGHT::QAR2(A)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(A);
      • Vars
        • K(a);S_FLIGHT::QAR2(A)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(A);
      • Vars
        • K(a);S_FLIGHT::QAB1(A)
        • K(a);S_FLIGHT::QAR2(A)
      • Refutation
        • K(a);P-FLIGHT
  • Actual
    • Q(A);
    • Vars
      • K(a);S_FLIGHT::QAR1(A)
      • K(a);S_FLIGHT::B(D)
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