MESON Chess Problem Database

Problem Display
PID: 27514 (6N1/K3prQ1/2P1krB1/5R2/8/8/3R4/8 w - - 0 1)

Lebeck, Donald

Mate in Two!! (Lebeck), 1992

6N1/K3prQ1/2P1krB1/5R2/8/8/3R4/8

#2

7 + 4

SOLUTION

  • SOUND
  • Sets
    • 1...Rxg6
      • 2.Re5#
      • 2.Qe5#
      • 2.Qxf7#
    • 1...Rf8
      • 2.Qxe7#
  • Tries
    • 1.Bxf7+?
      • 1...Rxf7
        • 2.Re5#
        • 2.Qe5#
        • 2.Qxf7#
      • 1...Kxf5!
  • Keys
    • 1.c7!
      • threat
        • 2.c8Q#
        • 2.c8B#
      • 1...Rxf5
        • 2.c8Q#
        • 2.c8B#
      • 1...Rxg6
        • 2.Re5#
        • 2.Qe5#
        • 2.Qxf7#
        • 2.c8Q#
        • 2.c8B#
      • 1...Rxg7
        • 2.c8Q#
        • 2.c8B#
      • 1...Rf8
        • 2.Qxe7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • R(d);OGATE::QAR1(F),XP(c)
  • Tries
    • Try
      • B(D);CHECK,XR(d)
      • Refutation
        • K(a);S_FLIGHT,XR(B)
  • Actual
    • P(C);
    • Threat
      • P=Q
    • Vars
      • R(b);XR(B)::P=Q
      • R(d);XQ(F)::P=Q
      • R(d);OGATE::QAR1(F),XP(c)
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