MESON Chess Problem Database

Problem Display
PID: 142313 (7b/2Q2b1P/3RpkP1/2N4P/5N2/8/3R4/2BBK3 w - - 0 1)

Finch, James Gayler

London Figaro, 1879

7b/2Q2b1P/3RpkP1/2N4P/5N2/8/3R4/2BBK3

#2

11 + 4

14868 Pirnie Collection 2011

SOLUTION

  • SOUND
  • Tries
    • 1.R2d5?
      • threat
        • 2.Bb2#
        • 2.Qxf7#
      • 1...Bxg6
        • 2.Bb2#
        • 2.Rxe6#
      • 1...Be8
        • 2.Se4#
        • 2.Bb2#
        • 2.Rxe6#
      • 1...Bg8
        • 2.Se4#
        • 2.Bb2#
        • 2.hxg8S#
      • 1...Kg7!
    • 1.Qxf7+?
      • 1...Ke5
        • 2.Bb2#
        • 2.Rxe6#
      • 1...Kg5!
  • Keys
    • 1.Rf2!
      • 1...Ke5
        • 2.Sfd3#
      • 1...Kf5
        • 2.Sfd3#
      • 1...Kg5
        • 2.Sg2#
      • 1...Kg7
        • 2.Sfxe6#
      • 1...Bxg6
        • 2.Sxg6#
      • 1...Be8
        • 2.Sfd3#
      • 1...Bg8
        • 2.Sfd3#
      • 1...Bg7
        • 2.Sfd3#

There are these versions: 142312

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 8
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(D);
      • Threat
        • DUALS(2)
      • Refutation
        • K(b);N_SPINP(a),P_SPINB(c),S_FLIGHT
    • Try
      • Q(J);CHECK,XB(c)
      • Refutation
        • K(b);N_SPINP(a),S_FLIGHT
  • Actual
    • R(D);
    • Vars
      • K(b);N_SPINP(a),S_FLIGHT::S(E)
      • K(b);N_SPINP(a),P-FLIGHT::R(D)+S(E)
      • K(b);N_SPINP(a),S_FLIGHT::B(A)+S(E)
      • K(b);N_SPINP(a),P_SPINB(c),S_FLIGHT::S(E),XP(a)
      • B(c);XP(I)::R(D)+S(E),XB(c)
      • B(c);::R(D)+S(E)
      • B(d);SBLOCK::R(D)+S(E)
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