MESON Chess Problem Database

Problem Display
PID: 233019 (8/1K1N4/3B4/3k1P2/3N4/8/1Q6/8 w - - 0 1)

Kozhakin, Vladimir Vladimirovich

Kudesnik, 2009

8/1K1N4/3B4/3k1P2/3N4/8/1Q6/8

#2

6 + 1

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Tries
    • 1.Bc5?
      • 1...Kc4
        • 2.Qb3#
      • 1...Ke4!
    • 1.Be5?
      • 1...Kc4
        • 2.Qb3#
      • 1...Ke4!
    • 1.Qc3?
      • 1...Ke4
        • 2.Sf6#
      • 1...Kxd6!
    • 1.Qe2?
      • 1...Kxd6
        • 2.Qe6#
      • 1...Kxd4!
  • Keys
    • 1.Qd2!
      • 1...Kc4
        • 2.Sb6#
      • 1...Ke4
        • 2.Sf6#
      • 1...Kxd6
        • 2.Sc6#

FEATURES

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