MESON Chess Problem Database

Problem Display
PID: 61984 (K7/2N2Np1/6P1/1Bk3B1/P3P3/b7/Pp1P4/1R2R3 w - - 0 1)

Schurig, Richard

Schachzeitung der Berliner Schachgesellschaft, 1849

K7/2N2Np1/6P1/1Bk3B1/P3P3/b7/Pp1P4/1R2R3

#2

12 + 4

SOLUTION

  • SOUND
  • Sets
    • 1...Kd4
      • 2.Se6#
    • 1...Bb4
      • 2.Be3#
  • Tries
    • 1.Ka7?
      • 1...Kd4
        • 2.Se6#
      • 1...Bb4
        • 2.Se6#
        • 2.Be3#
      • 1...Kb4!
    • 1.Kb7?
      • 1...Kd4
        • 2.Se6#
      • 1...Bb4
        • 2.Se6#
        • 2.Be3#
      • 1...Kb4!
    • 1.Sa6+?
      • 1...Kb6
        • 2.Bd8#
      • 1...Kd4!
    • 1.Se6+?
      • 1...Kb6
        • 2.Bd8#
      • 1...Kb4!
    • 1.Be7+?
      • 1...Kd4
        • 2.Se6#
      • 1...Kb6!
    • 1.a5?
      • 1...Kd4
        • 2.Se6#
      • 1...Bb4
        • 2.Be3#
      • 1...Kb4!
  • Keys
    • 1.Bd8!
      • 1...Kb4
        • 2.Sa6#
      • 1...Kd4
        • 2.Se6#
      • 1...Kb6
        • 2.Sa6#
        • 2.Se6#
      • 1...Bb4
        • 2.Se6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 1
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • K(c);S_FLIGHT::S(J)
    • B(b);SBLOCK::B(H)
  • Tries
    • Try
      • K(L);P-FLIGHT
      • Vars
        • K(c);S_FLIGHT::S(J)
      • Refutation
        • K(c);P_SPINP(a),S_FLIGHT
    • Try
      • K(L);S_FLIGHT
      • Vars
        • K(c);S_FLIGHT::S(J)
      • Refutation
        • K(c);P_SPINP(a),S_FLIGHT
    • Try
      • S(J);CHECK
      • Vars
        • K(c);S_FLIGHT::B(H)
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • S(J);CHECK
      • Vars
        • K(c);S_FLIGHT::B(H)
      • Refutation
        • K(c);P_SPINP(a),S_FLIGHT
    • Try
      • B(H);CHECK
      • Vars
        • K(c);S_FLIGHT::S(J)
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • P(E);
      • Vars
        • K(c);S_FLIGHT::S(J)
        • B(b);SBLOCK::B(H)
      • Refutation
        • K(c);P_SPINP(a),S_FLIGHT
  • Actual
    • B(H);
    • Vars
      • K(c);P_SPINP(a),S_FLIGHT::S(J)
      • K(c);S_FLIGHT::S(J)
      • B(b);SBLOCK::S(J)
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