MESON Chess Problem Database

Problem Display
PID: 12179 (k7/Pp5R/8/q7/8/8/3Q2K1/8 w - - 0 1)

Smook, Roger W

The Problemist, 1975

k7/Pp5R/8/q7/8/8/3Q2K1/8

#2

4 + 3

3295 Einfuhrung in die Welt des Schachproblem 1984

SOLUTION

  • SOUND
  • Sets
    • 1...b5
      • 2.Qd5#
    • 1...b6
      • 2.Qd8#
  • Tries
    • 1.Rh8+?
      • 1...Kxa7
        • 2.Qxa5#
      • 1...Qd8!
  • Keys
    • 1.Qxa5!
      • threat
        • 2.Rh8#
      • 1...b5
        • 2.Qd8#
      • 1...b6
        • 2.Qd5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 2
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • P(b);OGATEB::QAB(A)
    • P(b);S_CUTQ(a)::QAR(A)
  • Tries
    • Try
      • R(D);CHECK
      • Vars
        • K(c);P-FLIGHT,XP(C)::QAR2(A),XQ(a)
      • Refutation
        • Q(a);P_SPINQ(a)
  • Actual
    • Q(A);XQ(a)
    • Threat
      • R(D)
    • Vars
      • P(b);::QAR(A)
      • P(b);OGATEB::QAB(A)
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