MESON Chess Problem Database

Problem Display
PID: 30723 (1b1k4/1KpPp3/8/2Np4/3RP1pp/1Q5R/8/8 w - - 0 1)

Barbier, Georges Emile

The Westminster Papers, 1874

1b1k4/1KpPp3/8/2Np4/3RP1pp/1Q5R/8/8

#2

7 + 7

SOLUTION

  • SOUND
  • Sets
    • 1...dxe4
      • 2.Se6#
      • 2.Qg8#
  • Tries
    • 1.Qxd5?
      • threat
        • 2.Se6#
        • 2.Qg8#
      • 1...e6
        • 2.Qg5#
      • 1...e5!
  • Keys
    • 1.Qg3!
      • 1...gxh3
        • 2.Qg8#
      • 1...hxg3
        • 2.Rh8#
      • 1...dxe4
        • 2.Se6#
      • 1...e5
        • 2.Qxh4#
      • 1...e6
        • 2.Qxh4#
      • 1...Ba7
        • 2.Qxc7#
      • 1...c6
        • 2.Qxb8#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(A);XP(c)
      • Threat
        • DUALS(2)
      • Vars
        • P(e);OGATEB::QAB(A)
      • Refutation
        • P(e);
  • Actual
    • Q(A);
    • Vars
      • P(a);OGATE,XR(B)::QAR(A)
      • P(b);OGATE,XQ(A)::R(B)
      • P(c);XP(D)::S(E)
      • P(e);OGATEB::QAB(A),XP(b)
      • B(f);N_GUARD::QAB1(A),XP(d)
      • P(d);OGATE::QAR2(A),XB(f)
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