MESON Chess Problem Database

Problem Display
PID: 27415 (1R6/8/8/K5N1/8/4N2p/5RBk/5Qq1 w - - 0 1)

Lebeck, Donald

Mate in Two!! (Lebeck), 1992

1R6/8/8/K5N1/8/4N2p/5RBk/5Qq1

#2

7 + 3

SOLUTION

  • SOUND
  • Tries
    • 1.Se4?
      • threat
        • 2.Sg4#
      • 1...hxg2
        • 2.Rh8#
      • 1...Qxf1!
    • 1.Rh8?
      • threat
        • 2.Rxh3#
      • 1...Kg3
        • 2.Rxh3#
      • 1...Qxf1!
  • Keys
    • 1.Sf5!
      • threat
        • 2.Sf3#
      • 1...Qxf2
        • 2.Qh1#
      • 1...hxg2
        • 2.Rh8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(F);
      • Threat
        • S(D)
      • Vars
        • P(c);OGATEB,P_SPINP(c),XB(C)::R(G)
      • Refutation
        • Q(a);XQ(A)
    • Try
      • R(G);P_PINP(c)
      • Threat
        • R1(G),XP(c)
      • Vars
        • K(b);N_SPINP(c),S_FLIGHT::R1(G),XP(c)
      • Refutation
        • Q(a);XQ(A)
  • Actual
    • S(D);
    • Threat
      • S(F)
    • Vars
      • Q(a);OGATE,XR(B)::QAR1(A)
      • P(c);OGATEB,P_SPINP(c),XB(C)::R(G)
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