MESON Chess Problem Database

Problem Display
PID: 139861 (8/B3N1p1/6P1/KpN1kB1n/1R6/QP4p1/6P1/8 w - - 0 1)

Hoek, Willem

Het Parool, 1972

8/B3N1p1/6P1/KpN1kB1n/1R6/QP4p1/6P1/8

#2

10 + 5

102 Probleemblad 1974

SOLUTION

  • SOUND
  • Sets
    • 1...Sf6
      • 2.Bb8#
  • Tries
    • 1.Re4+?
      • 1...Kd6
        • 2.Bb8#
      • 1...Kf6!
  • Keys
    • 1.Rxb5!
      • 1...Kd4
        • 2.Sa4#
      • 1...Kf4
        • 2.Se6#
      • 1...Kd6
        • 2.Sa6#
      • 1...Kf6
        • 2.Se4#
      • 1...Sf4
        • 2.Sd7#
      • 1...Sf6
        • 2.Sd3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 1
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
    • S(d);SBLOCK::B(I)
  • Tries
    • Try
      • R(D);CHECK
      • Vars
        • K(c);S_FLIGHT::B(I)
      • Refutation
        • K(c);S_FLIGHT
  • Actual
    • R(D);XP(b)
    • Vars
      • K(c);S_FLIGHT::B(I)+S(F)
      • K(c);S_FLIGHT::S(F)
      • K(c);S_FLIGHT::QAB(B)+S(F)
      • S(d);SBLOCK::R(D)+S(F),DCHECK
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