MESON Chess Problem Database

Problem Display
PID: 214583 (1b1rB3/8/R2N4/2p1kpPb/2K2N2/5P2/3p1p1B/8 w - - 0 1)

Crockett, JL

Newark Sunday Call, 1878

1b1rB3/8/R2N4/2p1kpPb/2K2N2/5P2/3p1p1B/8

#2

8 + 8

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Bg4
      • 2.Sf7#
    • 1...Bf7+
      • 2.Sxf7#
  • Tries
    • 1.Bd7?
      • threat
        • 2.Sd3#
        • 2.Sg6#
      • 1...Bf7+
        • 2.Sxf7#
      • 1...f1Q+
        • 2.Sd3#
      • 1...f1B+
        • 2.Sd3#
      • 1...Bg6
        • 2.Sd3#
        • 2.Sxg6#
      • 1...Rxd7!
  • Keys
    • 1.Bf7!
      • threat
        • 2.Sd3#
        • 2.Sg6#
      • 1...Bxf7+
        • 2.Sxf7#
      • 1...f1Q+
        • 2.Sd3#
      • 1...f1B+
        • 2.Sd3#
      • 1...Bg6
        • 2.Sd3#
        • 2.Sxg6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 1
  • Sets
    • B(f);N_GUARD::S(G)
    • B(f);CHECK,N_GUARD::S(G),XB(f)
  • Tries
    • Try
      • B(H);
      • Threat
        • DUALS(2)
      • Vars
        • B(f);CHECK,N_GUARD::S(G),XB(f)
        • P(b);CHECK::B(A)+S(D),DCHECK
      • Refutation
        • R(h);XB(H)
  • Actual
    • B(H);
    • Threat
      • DUALS(2)
    • Vars
      • B(f);CHECK,XB(H)::S(G),XB(f)
      • P(b);CHECK::B(A)+S(D),DCHECK
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