MESON Chess Problem Database

Problem Display
PID: 151272 (4bq2/1pK2pb1/2N2Q2/2pk1P1P/1p6/1P1P1pN1/5B2/3n1B2 w - - 0 1)

Desanges, L

Hampstead and Highgate Express, 1896

(First published on Sat Dec 26 1896)

4bq2/1pK2pb1/2N2Q2/2pk1P1P/1p6/1P1P1pN1/5B2/3n1B2

#2

10 + 10

14867 BCPS Library 2014

SOLUTION

  • SOUND
  • Sets
    • 1...Qd6+
      • 2.Qxd6#
    • 1...Qe7+
      • 2.Sxe7#
    • 1...Qg8
      • 2.Se7#
      • 2.Qd6#
    • 1...Qh8
      • 2.Se7#
      • 2.Qd6#
    • 1...Bh6
      • 2.Qe5#
    • 1...c4
      • 2.bxc4#
      • 2.dxc4#
  • Tries
    • 1.Qd8+?
      • 1...Qd6+
        • 2.Qxd6#
      • 1...Bd7!
  • Keys
    • 1.Se2!
      • threat
        • 2.Sf4#
      • 1...Qd6+
        • 2.Qxd6#
      • 1...Qe7+
        • 2.Sxe7#
      • 1...fxe2
        • 2.Bg2#
      • 1...Bh6
        • 2.Qe5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • Q(j);CHECK,N_GUARD::QAR1(I),XQ(j)
    • Q(j);CHECK,N_GUARD::S(H),XQ(j)
    • B(h);N_GUARD::QAR1(I)
  • Tries
    • Try
      • Q(I);CHECK
      • Vars
        • Q(j);CHECK,N_GUARD,P_SPINQ(j)::QAR1(I),XQ(j)
      • Refutation
        • B(i);P_SPINB(i)
  • Actual
    • S(E);
    • Threat
      • S(E)
    • Vars
      • Q(j);CHECK,N_GUARD::QAR1(I),XQ(j)
      • Q(j);CHECK,N_GUARD::S(H),XQ(j)
      • P(b);OGATEB,XS(E)::B(A)
      • B(h);N_GUARD::QAR1(I)
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