MESON Chess Problem Database

Problem Display
PID: 188363 (8/5p1p/3p1BbP/3Pp3/R6p/3k2pR/1P6/2K2NN1 w - - 0 1)

Fillery, William Edmund Frank

The Problemist, 1980

8/5p1p/3p1BbP/3Pp3/R6p/3k2pR/1P6/2K2NN1

#2

9 + 8

SOLUTION

  • SOUND
  • Sets
    • 1...e4
      • 2.Rd4#
  • Tries
    • 1.Rh2?
      • threat
        • 2.Rd2#
      • 1...g2
        • 2.Rh3#
      • 1...gxh2!
    • 1.Rhxh4?
      • threat
        • 2.Ra3#
      • 1...e4
        • 2.Rd4#
      • 1...Be4!
  • Keys
    • 1.Sxg3!
      • threat
        • 2.Sf1#
        • 2.Sh1#
        • 2.S3e2#
        • 2.Se4#
        • 2.Sf5#
        • 2.Sh5#
      • 1...Ke3
        • 2.Sh1#
      • 1...hxg3
        • 2.Rxg3#
      • 1...Be4
        • 2.Sxe4#
      • 1...Bf5
        • 2.Sxf5#
      • 1...Bh5
        • 2.Sxh5#
      • 1...e4
        • 2.Sxe4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
    • P(d);N_GUARD::R1(F)
  • Tries
    • Try
      • R(E);N_PINP(b)
      • Threat
        • R1(E)
      • Vars
        • P(b);OGATEB::R(E)
      • Refutation
        • P(b);XR(E)
    • Try
      • R(E);N_PINP(b),XP(c)
      • Threat
        • R(F)
      • Vars
        • P(d);N_GUARD::R1(F)
      • Refutation
        • B(f);
  • Actual
    • S(B);XP(b)
    • Threat
      • DUALS(6)
    • Vars
      • K(a);P-FLIGHT::R(E)+S(B)
      • P(c);OGATE,P_SPINP(c),XS(B)::R(E),XP(c)
      • B(f);::R(E)+S(B),XB(f)
      • P(d);::R(E)+S(B),XP(d)
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Developed and maintained by Brian Stephenson.
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