MESON Chess Problem Database

Problem Display
PID: 2636 (1b2R3/4Bp2/2P5/2N1k3/b7/2P1N3/4P2K/8 w - - 0 1)

Reed, George A

Source?, 0000

1b2R3/4Bp2/2P5/2N1k3/b7/2P1N3/4P2K/8

#2

8 + 4

1679 American Chess Nuts 1868

SOLUTION

  • SOUND
  • Tries
    • 1.Sd3+?
      • 1...Ke4+
        • 2.Bd6#
      • 1...Ke6+!
    • 1.Bh4+?
      • 1...Kf4
        • 2.Sd3#
        • 2.Re4#
      • 1...Kd6!
    • 1.Bd8+?
      • 1...Kf4
        • 2.Sd3#
        • 2.Re4#
      • 1...Kd6!
    • 1.Bf8+?
      • 1...Kf4
        • 2.Bh6#
      • 1...Kf6+!
  • Keys
    • 1.Se4!
      • threat
        • 2.Bg5#
        • 2.Bd6#
      • 1...Kxe4+
        • 2.Bd6#
      • 1...Ke6+
        • 2.Bd6#
      • 1...Kf4
        • 2.Bg5#
      • 1...Bxc6
        • 2.Bd6#
      • 1...Bb3
        • 2.Bd6#
      • 1...Bd6
        • 2.Bxd6#
      • 1...f6
        • 2.Bd6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(E);CHECK
      • Vars
        • K(b);CHECK,P-FLIGHT::R(H)+B(G)
      • Refutation
        • K(b);CHECK,P-FLIGHT
    • Try
      • B(G);CHECK
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • B(G);CHECK
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • B(G);CHECK
      • Vars
        • K(b);S_FLIGHT::B(G)
      • Refutation
        • K(b);CHECK,S_FLIGHT
  • Actual
    • S(E);
    • Threat
      • DUALS(2)
    • Vars
      • K(b);CHECK,P-FLIGHT,XS(E)::R(H)+B(G)
      • K(b);CHECK,P-FLIGHT::R(H)+B(G)
      • K(b);S_FLIGHT::B(G)
      • B(a);XP(F)::R(H)+B(G),DCHECK
      • B(a);::R(H)+B(G),DCHECK
      • B(d);::R(H)+B(G),DCHECK,XB(d)
      • P(c);::R(H)+B(G),DCHECK
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