MESON Chess Problem Database

Problem Display
PID: 151712 (3NK3/B4Q2/1p1PBp2/r1k1b1NR/1p3p2/2ppr3/8/8 w - - 0 1)

Dawson, Thomas Rayner

Nottinghamshire Weekly Guardian, 1936

(First published on Sat Feb 22 1936)

3NK3/B4Q2/1p1PBp2/r1k1b1NR/1p3p2/2ppr3/8/8

#2

8 + 10

15256 TRD Scrapbook 2014

SOLUTION

  • SOUND
  • Sets
    • 1...Kxd6
      • 2.Qe7#
    • 1...Bd4
      • 2.Se4#
  • Tries
    • 1.Qc7+?
      • 1...Kd4
        • 2.Qc4#
      • 1...Kb5!
  • Keys
    • 1.Bb3!
      • threat
        • 2.Qd5#
      • 1...Bd4+
        • 2.Se4#
      • 1...Bxd6+
        • 2.Sge6#
      • 1...Kd4
        • 2.Sde6#
        • 2.Qc4#
      • 1...Kb5
        • 2.Qc4#
      • 1...Kxd6
        • 2.Qe7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • K(g);N_SPINP(i),OGATEB,S_FLIGHT,XP(C)::QAB1(F)
    • B(h);P_PINB(D),SBLOCK::R(B)+S(A),DCHECK
  • Tries
    • Try
      • Q(F);CHECK
      • Vars
        • K(g);OGATE,S_FLIGHT::QAR1(F)
      • Refutation
        • K(g);N_SPINP(i),P-FLIGHT
  • Actual
    • B(D);
    • Threat
      • QAR1(F)
    • Vars
      • B(h);CHECK,SBLOCK::R(B)+S(A),DCHECK
      • B(h);CHECK,SBLOCK,XP(C)::R(B)+S(A),DCHECK
      • K(g);N_SPINP(i),P-FLIGHT::QAB1(F)
      • K(g);N_SPINP(i),OGATEB,S_FLIGHT,XP(C)::QAB1(F)
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