MESON Chess Problem Database

Problem Display
PID: 100925 (1n6/b5R1/3RN1N1/5kp1/8/8/1B6/K2B4 w - - 0 1)

Faulkner, William J

Good Companions (April), 1919

1n6/b5R1/3RN1N1/5kp1/8/8/1B6/K2B4

#2

7 + 4

6490 yacpdb 2009
14868 Pirnie Collection 2011

SOLUTION

  • SOUND
  • Sets
    • 1...g4
      • 2.Bc2#
  • Tries
    • 1.Sh4+?
      • 1...gxh4
        • 2.Bc2#
      • 1...Ke4!
    • 1.Bf3?
      • threat
        • 2.Se7#
      • 1...Bd4
        • 2.Sxd4#
      • 1...Sc6!
    • 1.Rf7+?
      • 1...Kxg6
        • 2.Sd8#
      • 1...Ke4!
  • Keys
    • 1.Re7!
      • threat
        • 2.Sg7#
      • 1...Ke4
        • 2.Sg7#
      • 1...Kxg6
        • 2.Sd4#
      • 1...Bd4
        • 2.Sxd4#
      • 1...g4
        • 2.Bc2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • P(b);SBLOCK::B(B)
  • Tries
    • Try
      • S(F);CHECK
      • Vars
        • P(b);XS(F)::B(B)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • B(B);
      • Threat
        • S(F)
      • Vars
        • B(c);N_GUARD,P_PINB(C)::S(E),XB(c)
      • Refutation
        • S(d);
    • Try
      • R(G);CHECK
      • Vars
        • K(a);S_FLIGHT,XS(F)::R(D)+S(E)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • R(G);
    • Threat
      • S(E)
    • Vars
      • K(a);S_FLIGHT::R(G)+S(E)
      • K(a);S_FLIGHT,XS(F)::R(D)+S(E)
      • B(c);N_GUARD,P_PINB(C)::S(E),XB(c)
      • P(b);SBLOCK::B(B)
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