MESON Chess Problem Database

Problem Display
PID: 27794 (8/2B5/1p1KN3/1k6/1rbP4/Q7/8/8 w - - 0 1)

Lebeck, Donald

Mate in Two!! (Lebeck), 1992

8/2B5/1p1KN3/1k6/1rbP4/Q7/8/8

#2

5 + 4

SOLUTION

  • SOUND
  • Tries
    • 1.Qxb4+?
      • 1...Ka6
        • 2.Qxb6#
      • 1...Kxb4!
  • Keys
    • 1.Sc5!
      • threat
        • 2.Qa6#
      • 1...bxc5
        • 2.Qa5#
      • 1...Ra4
        • 2.Qxa4#
      • 1...Rb1
        • 2.Qa4#
      • 1...Rb2
        • 2.Qa4#
      • 1...Rb3
        • 2.Qa4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(A);CHECK,XR(a)
      • Vars
        • K(c);OGATE,S_FLIGHT::QAR1(A),XP(d)
      • Refutation
        • K(c);P-FLIGHT,XQ(A)
  • Actual
    • S(D);
    • Threat
      • QAB1(A)
    • Vars
      • P(d);N_GUARD,XS(D)::QAR1(A)
      • R(a);N_GUARD::QAB1(A),XR(a)
      • R(a);N_GUARD::QAB1(A)
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