MESON Chess Problem Database

Problem Display
PID: 226604 (3k4/R2P1r2/5P2/K5B1/8/8/8/8 w - - 0 1)

Dikusarov, Andrey Nikolayovich

Sachova skladba, 2005

3k4/R2P1r2/5P2/K5B1/8/8/8/8

#2

5 + 2

1232 Kudesnik 2005
15148 Sadier Collection 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Rxf6
      • 2.Bxf6#
    • 1...Re7
      • 2.fxe7#
    • 1...Rg7
      • 2.fxg7#
    • 1...Rh7
      • 2.f7#
    • 1...Rf8
      • 2.f7#
  • Tries
    • 1.Ka4?
      • 1...Rxf6
        • 2.Bxf6#
      • 1...Re7
        • 2.fxe7#
      • 1...Rg7
        • 2.fxg7#
      • 1...Rh7
        • 2.f7#
      • 1...Rf8
        • 2.f7#
      • 1...Rxd7!
    • 1.Kb4?
      • 1...Rxf6
        • 2.Bxf6#
      • 1...Re7
        • 2.fxe7#
      • 1...Rg7
        • 2.fxg7#
      • 1...Rh7
        • 2.f7#
      • 1...Rf8
        • 2.f7#
      • 1...Rxd7!
    • 1.Kb5?
      • 1...Rxf6
        • 2.Bxf6#
      • 1...Re7
        • 2.fxe7#
      • 1...Rg7
        • 2.fxg7#
      • 1...Rh7
        • 2.f7#
      • 1...Rf8
        • 2.f7#
      • 1...Rxd7!
    • 1.Ka6?
      • 1...Rxf6+
        • 2.Bxf6#
      • 1...Re7
        • 2.fxe7#
      • 1...Rg7
        • 2.fxg7#
      • 1...Rh7
        • 2.f7#
      • 1...Rf8
        • 2.f7#
      • 1...Rxd7!
    • 1.Rb7?
      • 1...Rxf6
        • 2.Bxf6#
      • 1...Re7
        • 2.fxe7#
      • 1...Rg7
        • 2.fxg7#
      • 1...Rh7
        • 2.f7#
      • 1...Rf8
        • 2.f7#
      • 1...Rxd7!
  • Keys
    • 1.Kb6!
      • 1...Rxf6+
        • 2.Bxf6#
      • 1...Rxd7
        • 2.Ra8#
      • 1...Re7
        • 2.fxe7#
      • 1...Rg7
        • 2.fxg7#
      • 1...Rh7
        • 2.f7#
      • 1...Rf8
        • 2.f7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • R(a);OGATE,P_SPINR(a),XP(C)::B(B),XR(a)
    • R(a);OGATE::P(C),XR(a)
    • R(a);OGATE::B(B)+P(C),XR(a)
    • R(a);OGATE::B(B)+P(C)
  • Tries
    • Try
      • K(A);P-FLIGHT
      • Vars
        • R(a);OGATE,P_SPINR(a),XP(C)::B(B),XR(a)
        • R(a);OGATE::P(C),XR(a)
        • R(a);OGATE::B(B)+P(C),XR(a)
        • R(a);OGATE::B(B)+P(C)
      • Refutation
        • R(a);XP(E)
    • Try
      • K(A);S_FLIGHT
      • Vars
        • R(a);OGATE,P_SPINR(a),XP(C)::B(B),XR(a)
        • R(a);OGATE::P(C),XR(a)
        • R(a);OGATE::B(B)+P(C),XR(a)
        • R(a);OGATE::B(B)+P(C)
      • Refutation
        • R(a);XP(E)
    • Try
      • K(A);P-FLIGHT
      • Vars
        • R(a);OGATE,P_SPINR(a),XP(C)::B(B),XR(a)
        • R(a);OGATE::P(C),XR(a)
        • R(a);OGATE::B(B)+P(C),XR(a)
        • R(a);OGATE::B(B)+P(C)
      • Refutation
        • R(a);XP(E)
    • Try
      • K(A);P-FLIGHT
      • Vars
        • R(a);CHECK,OGATE,P_SPINR(a),XP(C)::B(B),XR(a)
        • R(a);OGATE::P(C),XR(a)
        • R(a);OGATE::B(B)+P(C),XR(a)
        • R(a);OGATE::B(B)+P(C)
      • Refutation
        • R(a);XP(E)
    • Try
      • R(D);
      • Vars
        • R(a);OGATE,P_SPINR(a),XP(C)::B(B),XR(a)
        • R(a);OGATE::P(C),XR(a)
        • R(a);OGATE::B(B)+P(C),XR(a)
        • R(a);OGATE::B(B)+P(C)
      • Refutation
        • R(a);XP(E)
  • Actual
    • K(A);S_FLIGHT
    • Vars
      • R(a);CHECK,OGATE,P_SPINR(a),XP(C)::B(B),XR(a)
      • R(a);SBLOCK,XP(E)::R(D)
      • R(a);OGATE::P(C),XR(a)
      • R(a);OGATE::B(B)+P(C),XR(a)
      • R(a);OGATE::B(B)+P(C)
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