MESON Chess Problem Database

Problem Display
PID: 79293 (8/8/3p4/3P1R1p/4p2k/4Pr1p/5P1N/4B2K w - - 0 1)

Balashov, Evgeny Fedorovich

Sachsische Zeitung, 1994

8/8/3p4/3P1R1p/4p2k/4Pr1p/5P1N/4B2K

#2

7 + 6

6114 Problemschach-Jahrbuch (1994) 1995

SOLUTION

  • SOUND
  • Sets
    • 1...Rxf2
      • 2.Bxf2#
    • 1...Rxe3
      • 2.fxe3#
    • 1...Rg3
      • 2.fxg3#
    • 1...Rf4
      • 2.f3#
    • 1...Rxf5
      • 2.f4#
  • Tries
    • 1.Sxf3+?
      • 1...Kg4
        • 2.Rf4#
      • 1...exf3!
    • 1.Re5?
      • 1...Rxf2
        • 2.Bxf2#
      • 1...Rxe3
        • 2.fxe3#
      • 1...Rf5
        • 2.f4#
      • 1...Rg3
        • 2.fxg3#
      • 1...Rf4
        • 2.f3#
      • 1...Rf6
        • 2.f3#
        • 2.f4#
      • 1...Rf7
        • 2.f3#
        • 2.f4#
      • 1...Rf8
        • 2.f3#
        • 2.f4#
      • 1...dxe5!
  • Keys
    • 1.Kg1!
      • 1...Rg3+
        • 2.fxg3#
      • 1...Rxf2
        • 2.Bxf2#
      • 1...Rxe3
        • 2.fxe3#
      • 1...Rxf5
        • 2.f4#
      • 1...Rf4
        • 2.f3#

FEATURES

  • Static
    • TYPE = WAITER
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • R(a);OGATE,P_SPINR(a),XP(C)::B(A),XR(a)
    • R(a);OGATE,XP(E)::B(A)+P(C),XR(a)
    • R(a);OGATE::P(C),XR(a)
    • R(a);OGATE::B(A)+P(C)
    • R(a);OGATE,XR(G)::B(A)+P(C)
  • Tries
    • Try
      • S(D);CHECK,XR(a)
      • Vars
        • K(d);P-FLIGHT::R1(G)
      • Refutation
        • P(c);XS(D)
    • Try
      • R(G);
      • Vars
        • R(a);OGATE,P_SPINR(a),XP(C)::B(A),XR(a)
        • R(a);OGATE,XP(E)::B(A)+P(C),XR(a)
        • R(a);OGATE::B(A)+P(C)
        • R(a);OGATE::P(C),XR(a)
      • Refutation
        • P(f);XR(G)
  • Actual
    • K(B);P-FLIGHT
    • Vars
      • R(a);CHECK,OGATE::P(C),XR(a)
      • R(a);OGATE,P_SPINR(a),XP(C)::B(A),XR(a)
      • R(a);OGATE,XP(E)::B(A)+P(C),XR(a)
      • R(a);OGATE,XR(G)::B(A)+P(C)
      • R(a);OGATE::B(A)+P(C)
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