MESON Chess Problem Database

Problem Display
PID: 109848 (1B6/3pp3/1p1r1p2/1RnknR2/P5P1/1N3N2/1P2PP2/1B1K3Q w - - 0 1)

Barry, Henry William

Checkmate, 1904

1B6/3pp3/1p1r1p2/1RnknR2/P5P1/1N3N2/1P2PP2/1B1K3Q

#2

13 + 8

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Kc6+
      • 2.Sfd4#
    • 1...Re6
      • 2.Sfd2#
      • 2.Sxe5#
    • 1...e6
      • 2.Sfd2#
      • 2.Sxe5#
  • Tries
    • 1.Sbd2?
      • 1...Kc6
        • 2.Sd4#
        • 2.Sxe5#
      • 1...Rc6
        • 2.Ba2#
      • 1...Re6
        • 2.Be4#
      • 1...e6
        • 2.Be4#
      • 1...Ke6!
    • 1.Bd3?
      • threat
        • 2.Sfd4#
        • 2.Sg5#
      • 1...Kc6
        • 2.Sfd4#
        • 2.Sxe5#
      • 1...Ke6!
  • Keys
    • 1.Ba2!
      • 1...Kc4+
        • 2.Sbd2#
      • 1...Ke4+
        • 2.Sfd2#
      • 1...Kc6+
        • 2.Sfd4#
      • 1...Ke6+
        • 2.Sbd4#
      • 1...Rc6
        • 2.Sbd2#
        • 2.Sxc5#
      • 1...Re6
        • 2.Sfd2#
        • 2.Sxe5#
      • 1...e6
        • 2.Sfd2#
        • 2.Sxe5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • K(b);CHECK,N_SPINS(a),S_FLIGHT::QAB(C)+S(H),DCHECK
  • Tries
    • Try
      • S(G);
      • Vars
        • R(e);SBLOCK::B(A)
        • P(h);SBLOCK::B(A)
      • Refutation
        • K(b);N_SPINS(a),P_PINS(G),S_FLIGHT
    • Try
      • B(A);
      • Threat
        • DUALS(2)
      • Refutation
        • K(b);N_SPINS(a),P_PINB(A),S_FLIGHT
  • Actual
    • B(A);
    • Vars
      • K(b);CHECK,N_SPINS(a),S_FLIGHT::B(A)+S(G),DCHECK
      • K(b);CHECK,N_SPINS(a),S_FLIGHT::QAB(C)+S(H),DCHECK
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