MESON Chess Problem Database

Problem Display
PID: 140304 (8/1Q1p2B1/3k4/3N1P2/8/1P4K1/8/8 w - - 0 1)

van Bemmel, JAG

Probleemblad, 1976

8/1Q1p2B1/3k4/3N1P2/8/1P4K1/8/8

#2

6 + 2

SOLUTION

  • SOUND
  • Tries
    • 1.Sc3?
      • 1...Kc5
        • 2.Se4#
      • 1...Ke7!
    • 1.Sb6?
      • 1...Ke7
        • 2.Qxd7#
      • 1...Kc5!
  • Keys
    • 1.Sf6!
      • 1...Kc5
        • 2.Se4#
      • 1...Ke5
        • 2.Qd5#
      • 1...Ke7
        • 2.Qxd7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(C);
      • Vars
        • K(a);S_FLIGHT::S(C)
      • Refutation
        • K(a);P_SPINP(b),S_FLIGHT
    • Try
      • S(C);
      • Vars
        • K(a);P_SPINP(b),S_FLIGHT::QAR1(E),XP(b)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • S(C);
    • Vars
      • K(a);S_FLIGHT::S(C)
      • K(a);S_FLIGHT::QAR1(E)
      • K(a);P_SPINP(b),S_FLIGHT::QAR1(E),XP(b)
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