MESON Chess Problem Database

Problem Display
PID: 148319 (5KQ1/4p3/3P1B2/5kP1/R7/8/8/8 w - - 0 1)

Lewis, Robert Tony

Die Schwalbe, 2012

5KQ1/4p3/3P1B2/5kP1/R7/8/8/8

#2

6 + 2

SOLUTION

  • SOUND
  • Sets
    • 1...e6
      • 2.Qh7#
  • Tries
    • 1.Qf7?
      • 1...exf6
        • 2.Qxf6#
      • 1...e5
        • 2.Be7#
        • 2.Bd8#
      • 1...e6
        • 2.Qh7#
      • 1...exd6!
  • Keys
    • 1.Kg7!
      • 1...exd6
        • 2.Qd5#
        • 2.Qc8#
      • 1...exf6
        • 2.Qd5#
      • 1...e5
        • 2.Qc8#
      • 1...e6
        • 2.Qh7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • P(b);SBLOCK::QAB(F)
  • Tries
    • Try
      • Q(F);
      • Vars
        • P(b);OGATE,P_SPINP(b),XB(D)::QAR1(F),XP(b)
        • P(b);SBLOCK::QAB(F)
      • Refutation
        • P(b);XP(C)
  • Actual
    • K(E);S_FLIGHT
    • Vars
      • P(b);N_GUARD,XB(D)::QAR2(F)
      • P(b);N_GUARD::QAB(F)
      • P(b);SBLOCK::QAB(F)
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