MESON Chess Problem Database

Problem Display
PID: 22744 (8/8/8/8/8/3B3K/3p4/3R1nBk w - - 0 1)

Lincoln, Robert A

The Problemist, 1998

8/8/8/8/8/3B3K/3p4/3R1nBk

#2

4 + 3

4883 Still More Fun with Chess Miniatures 2002

SOLUTION

  • SOUND
  • Sets
    • 1...Kxg1
      • 2.Rxf1#
    • 1...Sh2
      • 2.Bxh2#
    • 1...Se3
      • 2.Bxe3#
  • Tries
    • 1.Bc4?
      • 1...Kxg1
        • 2.Rxf1#
      • 1...Sh2
        • 2.Bxh2#
      • 1...Se3
        • 2.Bxe3#
      • 1...Sg3!
    • 1.Bb5?
      • 1...Kxg1
        • 2.Rxf1#
      • 1...Sh2
        • 2.Bxh2#
      • 1...Se3
        • 2.Bxe3#
      • 1...Sg3!
    • 1.Ba6?
      • 1...Kxg1
        • 2.Rxf1#
      • 1...Sh2
        • 2.Bxh2#
      • 1...Se3
        • 2.Bxe3#
      • 1...Sg3!
    • 1.Rxf1?
      • threat
        • 2.Bf2#
        • 2.Bh2#
        • 2.Be3#
        • 2.Bd4#
        • 2.Bc5#
        • 2.Bb6#
        • 2.Ba7#
        • 2.Be4#
      • 1...d1B
        • 2.Bf2#
        • 2.Bh2#
        • 2.Be3#
        • 2.Bd4#
        • 2.Bc5#
        • 2.Bb6#
        • 2.Ba7#
      • 1...d1R
        • 2.Be4#
      • 1...d1Q!
  • Keys
    • 1.Be2!
      • 1...Kxg1
        • 2.Rxf1#
      • 1...Sg3
        • 2.Bf3#
      • 1...Sh2
        • 2.Bxh2#
      • 1...Se3
        • 2.Bxe3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • K(b);OGATEB,P-FLIGHT,P_SPINS(a),XB(B)::R1(A),XS(a)
    • S(a);OGATEB::R(A)+B(B),XS(a)
  • Tries
    • Try
      • B(C);
      • Vars
        • K(b);OGATEB,P-FLIGHT,P_SPINS(a),XB(B)::R1(A),XS(a)
        • S(a);OGATEB::R(A)+B(B),XS(a)
      • Refutation
        • S(a);
    • Try
      • B(C);
      • Vars
        • K(b);OGATEB,P-FLIGHT,P_SPINS(a),XB(B)::R1(A),XS(a)
        • S(a);OGATEB::R(A)+B(B),XS(a)
      • Refutation
        • S(a);
    • Try
      • B(C);
      • Vars
        • K(b);OGATEB,P-FLIGHT,P_SPINS(a),XB(B)::R1(A),XS(a)
        • S(a);OGATEB::R(A)+B(B),XS(a)
      • Refutation
        • S(a);
    • Try
      • R(A);XS(a)
      • Threat
        • DUALS(8)
      • Vars
        • P(c);::B(C)
      • Refutation
        • P(c);
  • Actual
    • B(C);
    • Vars
      • K(b);OGATEB,P-FLIGHT,P_SPINS(a),XB(B)::R1(A),XS(a)
      • S(a);::B(C)
      • S(a);OGATEB::R(A)+B(B),XS(a)
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