MESON Chess Problem Database

Problem Display
PID: 180679 (7B/1R6/3p4/1p1Pn2P/1N6/8/1nK2P2/k7 w - - 0 1)

Daniel, Arthur William

British Chess Magazine, 1910

7B/1R6/3p4/1p1Pn2P/1N6/8/1nK2P2/k7

#2

7 + 5

SOLUTION

  • SOUND
  • Sets
    • 1...Sd1
      • 2.Ra7#
    • 1...Sbd3
      • 2.Ra7#
    • 1...Sed3
      • 2.Ra7#
    • 1...Sf3
      • 2.Bxb2#
      • 2.Ra7#
    • 1...Sg4
      • 2.Bxb2#
      • 2.Ra7#
    • 1...Sc6
      • 2.Bxb2#
    • 1...Sg6
      • 2.Bxb2#
      • 2.Ra7#
    • 1...Sd7
      • 2.Bxb2#
      • 2.Ra7#
    • 1...Sf7
      • 2.Bxb2#
      • 2.Ra7#
  • Keys
    • 1.Rg7!
      • 1...Sa4
        • 2.Rg1#
      • 1...Sd1
        • 2.Ra7#
      • 1...Sbd3
        • 2.Ra7#
      • 1...Sbc4
        • 2.Rg1#
      • 1...Sed3
        • 2.Ra7#
      • 1...Sf3
        • 2.Ra7#
      • 1...Sec4
        • 2.Rg1#
      • 1...Sg4
        • 2.Ra7#
      • 1...Sc6
        • 2.Rg1#
      • 1...Sg6
        • 2.Ra7#
      • 1...Sd7
        • 2.Rg1#
      • 1...Sf7
        • 2.Rg1#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 1
    • ADDED MATES = 8
    • REMOVED MATES = 0
  • Sets
    • S(b);N_GUARD,P_SPINS(d)::R(F)
    • S(d);P_SPINS(b)::R(F)
    • S(d);OGATE,P_SPINS(b)::B(G),XS(b)
  • Actual
    • R(F);
    • Vars
      • S(b);N_GUARD::R(F)
      • S(d);S_CUTS(b)::R(F)
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