MESON Chess Problem Database

Problem Display
PID: 223061 (8/2R5/n3P2p/R7/3pk1B1/1N6/8/2B2K2 w - - 0 1)

Hindley, R

Australasian (The), 1885

8/2R5/n3P2p/R7/3pk1B1/1N6/8/2B2K2

#2

7 + 4

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Kd3
      • 2.Bf5#
    • 1...d3
      • 2.Rc4#
  • Tries
    • 1.Kf2?
      • threat
        • 2.Bf5#
      • 1...Kd3
        • 2.Bf5#
      • 1...Sc5!
    • 1.Re5+?
      • 1...Kd3
        • 2.Be2#
        • 2.Bf5#
      • 1...Kxe5!
  • Keys
    • 1.Rh5!
      • 1...Kd3
        • 2.Bf5#
      • 1...Sxc7
        • 2.Sc5#
      • 1...Sb4
        • 2.Sc5#
      • 1...Sc5
        • 2.Sxc5#
      • 1...Sb8
        • 2.Sc5#
      • 1...d3
        • 2.Rc4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • K(b);S_FLIGHT::B(D)
    • P(a);OGATEB,SBLOCK::R(G)
  • Tries
    • Try
      • K(B);P-FLIGHT
      • Threat
        • B(D)
      • Vars
        • K(b);S_FLIGHT::B(D)
      • Refutation
        • S(c);
    • Try
      • R(E);CHECK
      • Refutation
        • K(b);P-FLIGHT,XR(E)
  • Actual
    • R(E);
    • Vars
      • K(b);S_FLIGHT::B(D)
      • S(c);N_GUARD,XR(G)::S(C)
      • S(c);N_GUARD::S(C)
      • S(c);N_GUARD::S(C),XS(c)
      • P(a);OGATEB,SBLOCK::R(G)
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