MESON Chess Problem Database

Problem Display
PID: 21912 (8/8/8/3p4/3Bp3/4p1NQ/p2PPPPP/R3K1k1 w - - 0 1)

Harley, Brian

Chess Amateur (The), 1922

8/8/8/3p4/3Bp3/4p1NQ/p2PPPPP/R3K1k1

#2

10 + 5

887 Mate in Two Moves 1931
15290 Harley Scrapbook 2014

SOLUTION

  • SOUND
  • Sets
    • 1...exd2+
      • 2.Kxd2#
    • 1...exf2+
      • 2.Bxf2#
  • Tries
    • 1.Bc5?
      • 1...exd2+
        • 2.Kxd2#
      • 1...exf2+
        • 2.Bxf2#
      • 1...d4!
    • 1.Bb6?
      • 1...exd2+
        • 2.Kxd2#
      • 1...exf2+
        • 2.Bxf2#
      • 1...d4!
    • 1.Ba7?
      • 1...exd2+
        • 2.Kxd2#
      • 1...exf2+
        • 2.Bxf2#
      • 1...d4!
    • 1.Rxa2?
      • 1...exf2+
        • 2.Bxf2#
      • 1...exd2+!
    • 1.d3?
      • 1...exf2+
        • 2.Kd2#
        • 2.Bxf2#
      • 1...exd3!
  • Keys
    • 1.Kd1!
      • 1...Kxf2
        • 2.Bxe3#
      • 1...exd2
        • 2.Kxd2#
      • 1...exf2
        • 2.Kc2#

FEATURES

  • Static
    • TYPE = MUTATE
    • CHANGED MATES = 1
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • P(c);CHECK,XP(C)::R(A)+K(B),XP(c)
    • P(c);CHECK,OGATE,P_SPINP(c),XP(E)::B(J),XP(c)
  • Tries
    • Try
      • B(J);
      • Vars
        • P(c);CHECK,XP(C)::R(A)+K(B),XP(c)
        • P(c);CHECK,OGATE,P_SPINP(c),XP(E)::B(J),XP(c)
      • Refutation
        • P(e);
    • Try
      • B(J);
      • Vars
        • P(c);CHECK,XP(C)::R(A)+K(B),XP(c)
        • P(c);CHECK,OGATE,P_SPINP(c),XP(E)::B(J),XP(c)
      • Refutation
        • P(e);
    • Try
      • B(J);
      • Vars
        • P(c);CHECK,XP(C)::R(A)+K(B),XP(c)
        • P(c);CHECK,OGATE,P_SPINP(c),XP(E)::B(J),XP(c)
      • Refutation
        • P(e);
    • Try
      • R(A);XP(b)
      • Vars
        • P(c);CHECK,OGATE,P_SPINP(c),XP(E)::B(J),XP(c)
      • Refutation
        • P(c);CHECK,XP(C)
    • Try
      • P(C);
      • Refutation
        • P(d);XP(C)
  • Actual
    • K(B);P-FLIGHT
    • Vars
      • K(a);OGATEB,P_SPINP(c),S_FLIGHT,XP(E)::B(J),XP(c)
      • P(c);XP(C)::R(A)+K(B),XP(c)
      • P(c);P_SPINP(c),XP(E)::R(A)+K(B)
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