MESON Chess Problem Database

Problem Display
PID: 233008 (8/8/K7/2k5/2p2B2/1P2P2Q/8/8 w - - 0 1)

Kozhakin, Vladimir Vladimirovich

Kudesnik, 2006

8/8/K7/2k5/2p2B2/1P2P2Q/8/8

#2

5 + 2

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Tries
    • 1.Qf5+?
      • 1...Kc6
        • 2.Qb5#
      • 1...Kb4!
    • 1.Qd7?
      • threat
        • 2.Qb5#
        • 2.Qd6#
      • 1...cxb3
        • 2.Qb5#
      • 1...Kb4!
    • 1.Qc8+?
      • 1...Kd5
        • 2.Qxc4#
      • 1...Kb4!
    • 1.Qh5+?
      • 1...Kc6
        • 2.Qb5#
      • 1...Kb4!
  • Keys
    • 1.e4!
      • 1...Kb4
        • 2.Bd6#
      • 1...Kd4
        • 2.Qe3#
      • 1...Kc6
        • 2.Qc8#
      • 1...cxb3
        • 2.Qc3#
      • 1...c3
        • 2.Qxc3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(C);CHECK
      • Vars
        • K(b);OGATE,P-FLIGHT::QAB1(C)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • Q(C);
      • Threat
        • DUALS(2)
      • Vars
        • P(a);XP(A)::QAR1(C)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • Q(C);CHECK
      • Vars
        • K(b);OGATE,P-FLIGHT::QAB1(C),XP(a)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • Q(C);CHECK
      • Vars
        • K(b);OGATE,P-FLIGHT::QAB1(C)
      • Refutation
        • K(b);S_FLIGHT
  • Actual
    • P(B);
    • Vars
      • K(b);S_FLIGHT::B(D)
      • K(b);S_FLIGHT::QAB1(C)
      • K(b);P-FLIGHT::QAR2(C)
      • P(a);OGATEB,XP(A)::QAR2(C)
      • P(a);OGATEB::QAR2(C),XP(a)
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