MESON Chess Problem Database

Problem Display
PID: 7118 (nK4b1/4k1B1/8/QB6/8/8/8/8 w - - 0 1)

Kozhakin, Vladimir Vladimirovich

Sorokin, Denis

L'Italia Scacchistica, 1998

nK4b1/4k1B1/8/QB6/8/8/8/8

#2

4 + 3

SOLUTION

  • SOUND
  • Tries
    • 1.Qc7+?
      • 1...Ke6
        • 2.Qd7#
      • 1...Sxc7!
  • Keys
    • 1.Qd8+!
      • 1...Ke6
        • 2.Qd7#
      • 1...Kf7
        • 2.Qf6#
      • 1...Kxd8
        • 2.Bf6#

FEATURES

  • Static
    • TYPE = CHECKING_KEY
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(A);CHECK
      • Vars
        • K(a);P-FLIGHT::QAB1(A)
      • Refutation
        • S(b);XQ(A)
  • Actual
    • Q(A);CHECK
    • Vars
      • K(a);P-FLIGHT::QAB1(A)
      • K(a);OGATE,P-FLIGHT::QAR1(A)
      • K(a);S_FLIGHT,XQ(A)::B(C)
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