MESON Chess Problem Database

Problem Display
PID: 234261 (8/5B1b/2N2pnn/5k2/5N2/7P/5bQ1/7K w - - 0 1)

Jackson, Harry S

English Mechanic and World of Science, 1880

(First published on Fri Nov 26 1880)

8/5B1b/2N2pnn/5k2/5N2/7P/5bQ1/7K

#2

6 + 6

15239 Valois Notebooks 2021

SOLUTION

  • SOUND
  • Keys
    • 1.Se6!
      • 1...Sxf7
        • 2.Qg4#
      • 1...Be1
        • 2.Qc2#
      • 1...Bg1
        • 2.Qc2#
      • 1...Be3
        • 2.Qc2#
      • 1...Bg3
        • 2.Qc2#
      • 1...Bd4
        • 2.Qc2#
      • 1...Bh4
        • 2.Qc2#
      • 1...Bc5
        • 2.Qc2#
      • 1...Bb6
        • 2.Qc2#
      • 1...Ba7
        • 2.Qc2#
      • 1...Bg8
        • 2.Qxg6#
      • 1...Sf4
        • 2.Sg7#
      • 1...Sh4
        • 2.Qd5#
      • 1...Se5
        • 2.Se7#
      • 1...Se7
        • 2.Qf3#
      • 1...Sf8
        • 2.Qf3#
        • 2.Qd5#
      • 1...Sh8
        • 2.Qf3#
        • 2.Qd5#
      • 1...Sg4
        • 2.Qxg4#
        • 2.hxg4#
      • 1...Sg8
        • 2.Qg4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 16
    • REMOVED MATES = 0
  • Sets
  • Actual
    • S(D);
    • Vars
      • S(e);N_GUARD,XB(F)::QAB1(B)
      • B(a);OGATE::QAB(B)
      • B(f);N_GUARD::QAB1(B),XS(d)
      • S(d);SBLOCK::S(D)
      • S(d);N_GUARD::QAR2(B)
      • S(d);N_GUARD,SBLOCK::S(E)
      • S(e);N_GUARD::QAB1(B)
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