MESON Chess Problem Database

Problem Display
PID: 148554 (8/4K3/1p2p1P1/br2P1kb/1pQ2R1N/5p1R/5P2/8 w - - 0 1)

Dawson, Thomas Rayner

Illustrated London News, 1913

8/4K3/1p2p1P1/br2P1kb/1pQ2R1N/5p1R/5P2/8

#2

8 + 8

15256 TRD Scrapbook 2013

SOLUTION

  • SOUND
  • Sets
    • 1...Bxg6
      • 2.Sxf3#
  • Tries
    • 1.Rf7?
      • threat
        • 2.Qf4#
      • 1...Kh6
        • 2.Qc1#
        • 2.Qf4#
      • 1...Bxg6
        • 2.Sxf3#
      • 1...Bg4!
  • Keys
    • 1.Qc1!
      • threat
        • 2.Rxb4#
        • 2.Rc4#
        • 2.Rd4#
        • 2.Re4#
      • 1...Kh6
        • 2.Rf7#
      • 1...Rxe5
        • 2.Re4#
      • 1...Bxg6
        • 2.Sxf3#
      • 1...Bg4
        • 2.Rf5#
      • 1...Rc5
        • 2.Rc4#
      • 1...Rd5
        • 2.Rd4#
      • 1...b3
        • 2.Rb4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
    • B(f);N_GUARD,SBLOCK,XP(G)::S(E),XP(a)
  • Tries
    • Try
      • R(D);
      • Threat
        • QAB1(C)
      • Vars
        • B(f);N_GUARD,SBLOCK,XP(G)::S(E),XP(a)
      • Refutation
        • B(f);
  • Actual
    • Q(C);
    • Threat
      • DUALS(4)
    • Vars
      • K(e);S_FLIGHT::QAB(C)+R(D)
      • R(d);XP(F)::QAB(C)+R(D)
      • B(f);N_GUARD,SBLOCK,XP(G)::S(E),XP(a)
      • B(f);SBLOCK::QAB(C)+R(D),DCHECK
      • R(d);::QAB(C)+R(D)
      • P(b);::QAB(C)+R(D)
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