MESON Chess Problem Database

Problem Display
PID: 109287 (1b6/p1R1p3/R5K1/8/n3p3/p1p3Q1/2P5/7k w - - 0 1)

Sabol, Frantisek

Chess Life & Review, 1985

1b6/p1R1p3/R5K1/8/n3p3/p1p3Q1/2P5/7k

#2

5 + 8

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...e5
      • 2.Rh7#
    • 1...e6
      • 2.Rh7#
  • Tries
    • 1.Kg5?
      • threat
        • 2.Rh6#
      • 1...e6
        • 2.Rh7#
      • 1...Sb6!
    • 1.Ra5?
      • threat
        • 2.Rh5#
      • 1...e5
        • 2.Rh7#
      • 1...Sc5!
    • 1.Rd6?
      • threat
        • 2.Rd1#
      • 1...exd6
        • 2.Rh7#
      • 1...Sb2!
  • Keys
    • 1.Rf6!
      • threat
        • 2.Rf1#
      • 1...exf6
        • 2.Rh7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 2
  • Sets
    • P(g);OGATE::R(E)
  • Tries
    • Try
      • K(D);P-FLIGHT
      • Threat
        • R(C)
      • Vars
        • P(g);OGATE::R(E)
      • Refutation
        • S(d);
    • Try
      • R(C);
      • Threat
        • R(C)
      • Vars
        • P(g);OGATE::R(E)
      • Refutation
        • S(d);
    • Try
      • R(C);
      • Threat
        • R(C)
      • Vars
        • P(g);OGATE,XR(C)::R(E)
      • Refutation
        • S(d);
  • Actual
    • R(C);
    • Threat
      • R(C)
    • Vars
      • P(g);OGATE,XR(C)::R(E)
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