MESON Chess Problem Database

Problem Display
PID: 141385 (2KR4/8/3p2B1/1p1k4/1P1N2nR/5N2/P2B2P1/8 w - - 0 1)

Bernard, Henry D'Oyly

British Chess Magazine, 1897

2KR4/8/3p2B1/1p1k4/1P1N2nR/5N2/P2B2P1/8

#2

10 + 4

14868 Pirnie Collection 2011

SOLUTION

  • SOUND
  • Sets
    • 1...Sf2
      • 2.Bf7#
    • 1...Sh2
      • 2.Bf7#
    • 1...Se3
      • 2.Bf7#
    • 1...Sf6
      • 2.Bf7#
  • Tries
    • 1.Bf5?
      • 1...Se5
        • 2.Be6#
      • 1...Sf2
        • 2.Be6#
      • 1...Sh2
        • 2.Be6#
      • 1...Se3
        • 2.Be6#
      • 1...Sf6
        • 2.Be6#
      • 1...Sh6
        • 2.Be6#
      • 1...Kc4!
  • Keys
    • 1.Sf5!
      • 1...Kc4
        • 2.Se3#
      • 1...Ke4
        • 2.Se7#
      • 1...Kc6
        • 2.Rxd6#
      • 1...Ke6
        • 2.Rxd6#
      • 1...Se5
        • 2.Rxd6#
      • 1...Sf2
        • 2.Rxd6#
      • 1...Sh2
        • 2.Rxd6#
      • 1...Se3
        • 2.Rxd6#
      • 1...Sf6
        • 2.Rxd6#
      • 1...Sh6
        • 2.Rxd6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 4
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
    • S(a);::B(H)
  • Tries
    • Try
      • B(H);
      • Vars
        • S(a);::B(H)
      • Refutation
        • K(c);N_SPINP(d),S_FLIGHT
  • Actual
    • S(F);
    • Vars
      • K(c);N_SPINP(d),P_SPINS(a),S_FLIGHT::S(F)
      • K(c);N_SPINP(d),P_SPINS(a),S_FLIGHT::B(H)+S(F)
      • K(c);N_SPINP(d),S_FLIGHT::R1(J),XP(d)
      • S(a);::R1(J),XP(d)
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