MESON Chess Problem Database

Problem Display
PID: 44563 (K7/1BNpP3/2pk1B1R/P5P1/2p5/8/2P5/8 w - - 0 1)

Smith, Harsen D

Dubuque Chess Journal, 1870

K7/1BNpP3/2pk1B1R/P5P1/2p5/8/2P5/8

#2

9 + 4

SOLUTION

  • SOUND
  • Sets
    • 1...Kxc7
      • 2.e8S#
    • 1...c5
      • 2.e8S#
  • Tries
    • 1.Bd4+?
      • 1...Kxc7
        • 2.Bb6#
      • 1...Kxe7!
    • 1.e8Q?
      • threat
        • 2.Qe5#
      • 1...Kxc7
        • 2.Bd8#
        • 2.Qb8#
      • 1...Kc5!
  • Keys
    • 1.c3!
      • 1...Kc5
        • 2.Bd4#
      • 1...Kxc7
        • 2.e8S#
      • 1...c5
        • 2.e8S#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • K(c);S_FLIGHT,XS(G)::P=S
    • P(b);SBLOCK::P=S
  • Tries
    • Try
      • B(D);CHECK
      • Vars
        • K(c);S_FLIGHT,XS(G)::B(D)
      • Refutation
        • K(c);S_FLIGHT,XP(H)
    • Try
      • P(H);
      • Threat
        • QAB1(H)
      • Refutation
        • K(c);S_FLIGHT
  • Actual
    • P(A);
    • Vars
      • K(c);S_FLIGHT::B(D)
      • K(c);S_FLIGHT,XS(G)::P=S
      • P(b);SBLOCK::P=S
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