MESON Chess Problem Database

Problem Display
PID: 27667 (8/8/5K2/8/6PB/4QRpq/4N2k/6R1 w - - 0 1)

Lebeck, Donald

Mate in Two!! (Lebeck), 1992

8/8/5K2/8/6PB/4QRpq/4N2k/6R1

#2

7 + 3

SOLUTION

  • SOUND
  • Sets
    • 1...g2
      • 2.Rxh3#
  • Tries
    • 1.Rh1+?
      • 1...Kxh1
        • 2.Qg1#
      • 1...Kg2!
  • Keys
    • 1.Qh6!
      • threat
        • 2.Bxg3#
      • 1...Qxh4+
        • 2.Qxh4#
      • 1...g2
        • 2.Bg3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • P(b);OGATE::R1(D),XQ(c)
  • Tries
    • Try
      • R(A);CHECK
      • Vars
        • K(a);P-FLIGHT,XR(A)::QAR1(C)
      • Refutation
        • K(a);P-FLIGHT
  • Actual
    • Q(C);
    • Threat
      • B(F),XP(b)
    • Vars
      • Q(c);CHECK,OGATE,P_SPINQ(c),XB(F)::QAR2(C),XQ(c)
      • P(b);::B(F)
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