MESON Chess Problem Database

Problem Display
PID: 257722 (1N6/8/8/4k2K/6P1/1N1BB3/1r2R1P1/Q7 w - - 0 1)

Honel, Helmut

Wiener Schachzeitung, 1937

1N6/8/8/4k2K/6P1/1N1BB3/1r2R1P1/Q7

#2

9 + 2

15601 Albrecht-Leiss-Degener Collection 2022

SOLUTION

  • SOUND
  • Tries
    • 1.Bc5+?
      • 1...Kf4
        • 2.Bd6#
      • 1...Kd5
        • 2.Qa8#
      • 1...Kf6!
  • Keys
    • 1.Bc4!
      • 1...Ke4
        • 2.Bd2#
      • 1...Kd6
        • 2.Bf4#
      • 1...Kf6
        • 2.Bd4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(F);CHECK
      • Vars
        • K(b);N_GUARD,N_SPINR(a),S_FLIGHT::B(F)
        • K(b);N_GUARD,N_SPINR(a),P-FLIGHT,S_CUTR(a)::QAB(A)
      • Refutation
        • K(b);S_FLIGHT
  • Actual
    • B(E);
    • Vars
      • K(b);N_GUARD,N_SPINR(a),P-FLIGHT::R(B)+B(F)
      • K(b);N_GUARD,N_SPINR(a),S_FLIGHT::B(F)
      • K(b);N_GUARD,S_FLIGHT::B(F)
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