MESON Chess Problem Database

Problem Display
PID: 76607 (1b6/8/8/8/1B2P1R1/3Pk2K/2b1p3/Q3N3 w - - 0 1)

Harley, Brian

The Globe, 1910

(First published on Sat Dec 3 1910)

1b6/8/8/8/1B2P1R1/3Pk2K/2b1p3/Q3N3

#2

7 + 4

16 Chess Amateur (The) 1911
15290 Harley Scrapbook 2014
15239 Valois Notebooks 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Bh2
      • 2.Qa7#
    • 1...Bg3
      • 2.Qa7#
    • 1...Bf4
      • 2.Qa7#
    • 1...Ba7
      • 2.Qxa7#
  • Keys
    • 1.Rf4!
      • threat
        • 2.Rf3#
      • 1...Kxf4
        • 2.Bd2#
      • 1...Bxd3
        • 2.Sg2#
      • 1...Bxf4
        • 2.Qa7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 3
  • Sets
    • B(d);N_GUARD::QAB(A)
    • B(d);N_GUARD::QAB(A),XB(d)
  • Actual
    • R(G);
    • Threat
      • R1(G)
    • Vars
      • K(c);S_FLIGHT,XR(G)::B(E)
      • B(a);SBLOCK,XP(C)::S(B)
      • B(d);N_GUARD,SBLOCK,XR(G)::QAB(A)
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