MESON Chess Problem Database

Problem Display
PID: 156406 (8/3p4/1KbNn2B/8/pp6/p1k1P3/Q3P3/b7 w - - 0 1)

Packer, GFH

Illustrated London News, 1904

(First published on Sat Jul 30 1904)

8/3p4/1KbNn2B/8/pp6/p1k1P3/Q3P3/b7

#2

6 + 8

15351 SCPF/BCPS Black Books 2016

SOLUTION

  • SOUND
  • Sets
    • 1...Bh1
      • 2.Sb5#
    • 1...Bg2
      • 2.Sb5#
    • 1...Bf3
      • 2.Sb5#
    • 1...Be4
      • 2.Sxe4#
      • 2.Sb5#
    • 1...Bb5
      • 2.Se4#
      • 2.Sxb5#
    • 1...Bd5
      • 2.Sb5#
    • 1...Bb7
      • 2.Sb5#
    • 1...Ba8
      • 2.Sb5#
    • 1...Sf4
      • 2.Bg7#
    • 1...Sc5
      • 2.Bg7#
    • 1...Sg5
      • 2.Bg7#
    • 1...Sc7
      • 2.Bg7#
    • 1...Sg7
      • 2.Bxg7#
    • 1...Sd8
      • 2.Bg7#
    • 1...Sf8
      • 2.Bg7#
  • Tries
    • 1.Bg7+?
      • 1...Sd4
        • 2.Bxd4#
      • 1...Sxg7!
  • Keys
    • 1.e4!
      • 1...Kd4
        • 2.Qxa1#
      • 1...Bxe4
        • 2.Sb5#
      • 1...Bb2
        • 2.Qc4#
      • 1...b3
        • 2.Qd2#
      • 1...Bb5
        • 2.Sxb5#
      • 1...Bd5
        • 2.Sb5#
      • 1...Bb7
        • 2.Sb5#
      • 1...Ba8
        • 2.Sb5#
      • 1...Sd4
        • 2.Bd2#
      • 1...Sf4
        • 2.Bg7#
      • 1...Sc5
        • 2.Bg7#
      • 1...Sg5
        • 2.Bg7#
      • 1...Sc7
        • 2.Bg7#
      • 1...Sg7
        • 2.Bxg7#
      • 1...Sd8
        • 2.Bg7#
      • 1...Sf8
        • 2.Bg7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 3
  • Sets
    • B(f);N_GUARD::S(E)
    • S(g);N_GUARD::B(F)
    • S(g);N_GUARD::B(F),XS(g)
  • Tries
    • Try
      • B(F);CHECK
      • Vars
        • S(g);N_GUARD,P_SPINS(g)::B(F),XS(g)
      • Refutation
        • S(g);XB(F)
  • Actual
    • P(C);
    • Vars
      • K(c);S_FLIGHT::QAB(A),XB(a)
      • B(f);N_GUARD,XP(C)::S(E)
      • B(a);SBLOCK::QAR1(A)
      • P(e);SBLOCK::QAB1(A)
      • B(f);N_GUARD::S(E),XB(f)
      • B(f);N_GUARD::S(E)
      • S(g);SBLOCK::B(F)
      • S(g);N_GUARD::B(F)
      • S(g);N_GUARD::B(F),XS(g)
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