MESON Chess Problem Database

Problem Display
PID: 152436 (8/3P1p2/2Q4p/2NNk2P/6nR/2P5/1n2KB1b/4R3 w - - 0 1)

Colville, Robert A

Hampstead and Highgate Express, 1898

(First published on Sat Jul 23 1898)

8/3P1p2/2Q4p/2NNk2P/6nR/2P5/1n2KB1b/4R3

#2

10 + 6

14867 BCPS Library 2014

SOLUTION

  • SOUND
  • Sets
    • 1...f5
      • 2.Bd4#
      • 2.Qe6#
    • 1...f6
      • 2.Qe6#
  • Keys
    • 1.Se7!
      • 1...Kf4
        • 2.Qf6#
      • 1...Sxf2
        • 2.Kxf2#
      • 1...Se3
        • 2.Re4#
      • 1...Bg1
        • 2.Bg3#
      • 1...Bg3
        • 2.Bxg3#
      • 1...Bf4
        • 2.Bd4#
      • 1...Sd1
        • 2.Sd3#
      • 1...Sd3
        • 2.Sxd3#
      • 1...Sa4
        • 2.Sd3#
      • 1...Sc4
        • 2.Sd3#
      • 1...Sf6
        • 2.Bd4#
        • 2.Qc7#
      • 1...f5
        • 2.Sg6#
      • 1...f6
        • 2.Qc7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 1
    • ADDED MATES = 11
    • REMOVED MATES = 0
  • Sets
    • P(f);N_GUARD::QAR1(I)
  • Actual
    • S(G);
    • Vars
      • K(d);P_SPINS(c),S_FLIGHT::QAR2(I)
      • S(c);XB(C)::R(A)+K(B),XS(c)
      • S(c);OGATE::R1(E)
      • B(b);N_GUARD::B(C)
      • B(b);N_GUARD::B(C),XB(b)
      • B(b);SBLOCK::B(C)
      • S(a);N_GUARD::S(F)
      • S(a);N_GUARD::S(F),XS(a)
      • P(f);N_GUARD,SBLOCK::S(G)
      • P(f);SBLOCK::QAB(I)
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