MESON Chess Problem Database

Problem Display
PID: 19455 (k1N4R/Pr6/8/1n6/nN6/8/8/4K2B w - - 0 1)

Harley, Brian

Time & Tide, 1952

(First published on Sat Jun 21 1952)

k1N4R/Pr6/8/1n6/nN6/8/8/4K2B

#2

6 + 4

15290 Harley Scrapbook 2015

SOLUTION

  • SOUND
  • Sets
    • 1...Sxa7
      • 2.Sb6#
  • Keys
    • 1.Sd5!
      • 1...Re7+
        • 2.Sdxe7#
      • 1...Rxa7
        • 2.Sd6#
      • 1...Sxa7
        • 2.Scb6#
      • 1...Rb6
        • 2.Sdxb6#
        • 2.Sc7#
      • 1...Rc7
        • 2.Sdb6#
        • 2.Sxc7#
      • 1...Rd7
        • 2.Sdb6#
        • 2.Sc7#
      • 1...Rf7
        • 2.Sdb6#
        • 2.Sc7#
      • 1...Rg7
        • 2.Sdb6#
        • 2.Sc7#
      • 1...Rh7
        • 2.Sdb6#
        • 2.Sc7#
      • 1...Rb8
        • 2.Sdb6#
        • 2.Sc7#
      • 1...Sb2
        • 2.Sdb6#
      • 1...Sac3
        • 2.Sdb6#
      • 1...Sc5
        • 2.Sdb6#
      • 1...Sb6
        • 2.Sdxb6#
      • 1...Sa3
        • 2.Sc7#
      • 1...Sbc3
        • 2.Sc7#
      • 1...Sd4
        • 2.Sc7#
      • 1...Sd6
        • 2.Sc7#
      • 1...Sc7
        • 2.Sxc7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 11
    • REMOVED MATES = 0
  • Sets
    • S(b);SBLOCK,XP(D)::R(F)+S(E),DCHECK
  • Actual
    • S(C);N_PINR(c)
    • Vars
      • R(c);CHECK::B(B)+S(C),XR(c)
      • R(c);N_GUARD,SBLOCK,XP(D)::R(F)+S(E)
      • S(b);SBLOCK,XP(D)::R(F)+S(E),DCHECK
      • S(a);N_GUARD::S(C)
      • S(a);N_GUARD::S(C),XS(a)
      • S(b);N_GUARD::S(C)
      • S(b);N_GUARD::S(C),XS(b)
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