MESON Chess Problem Database

Problem Display
PID: 158706 (8/1K3NnQ/1R6/2bk4/3p4/1P6/5n2/8 w - - 0 1)

Andrew, Frederick William

Leeds Mercury, 1896

(First published on Sat Mar 7 1896)

8/1K3NnQ/1R6/2bk4/3p4/1P6/5n2/8

#2

5 + 5

15351 SCPF/BCPS Black Books 2016

SOLUTION

  • SOUND
  • Sets
    • 1...Sd1
      • 2.Qh1#
    • 1...Sh1
      • 2.Qxh1#
    • 1...Sd3
      • 2.Qh1#
    • 1...Sg4
      • 2.Qh1#
    • 1...Sf5
      • 2.Qxf5#
    • 1...Sh5
      • 2.Qf5#
    • 1...Se6
      • 2.Qf5#
    • 1...Se8
      • 2.Qf5#
  • Keys
    • 1.Qc2!
      • 1...Bxb6
        • 2.Qc6#
      • 1...Bd6
        • 2.Rxd6#
      • 1...Sd3
        • 2.Qg2#
      • 1...d3
        • 2.Qc4#
      • 1...Ba3
        • 2.Qc6#
      • 1...Bb4
        • 2.Qc6#
      • 1...Be7
        • 2.Qc6#
      • 1...Bf8
        • 2.Qc6#
      • 1...Sd1
        • 2.Qg2#
      • 1...Sh1
        • 2.Qg2#
      • 1...Sh3
        • 2.Qg2#
      • 1...Se4
        • 2.Qc4#
      • 1...Sg4
        • 2.Qg2#
      • 1...Sf5
        • 2.Qxf5#
      • 1...Sh5
        • 2.Qf5#
      • 1...Se6
        • 2.Qf5#
      • 1...Se8
        • 2.Qf5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 4
    • ADDED MATES = 9
    • REMOVED MATES = 0
  • Sets
    • S(a);N_GUARD::QAB(E)
    • S(a);N_GUARD::QAB(E),XS(a)
    • S(e);N_GUARD::QAR2(E),XS(e)
    • S(e);N_GUARD::QAR2(E)
  • Actual
    • Q(E);
    • Vars
      • B(c);OGATE,XR(B)::QAB1(E)
      • B(c);N_GUARD::R1(B),XB(c)
      • S(a);OGATE::QAB(E)
      • P(b);::QAB1(E)
      • B(c);OGATE::QAB1(E)
      • S(a);SBLOCK::QAB1(E)
      • S(e);N_GUARD::QAR2(E),XS(e)
      • S(e);N_GUARD::QAR2(E)
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