MESON Chess Problem Database

Problem Display
PID: 231442 (5R2/2K1p3/2P1kP2/7Q/8/8/8/8 w - - 0 1)

Schiffert, Gyorgy

Magyar Sakkvilag, 1927

5R2/2K1p3/2P1kP2/7Q/8/8/8/8

#2

5 + 2

6490 yacpdb 2021

SOLUTION

  • SOUND
  • Sets
    • 1...exf6
      • 2.Re8#
  • Tries
    • 1.Ra8?
      • 1...exf6
        • 2.Re8#
      • 1...Kxf6!
    • 1.Rb8?
      • 1...exf6
        • 2.Re8#
      • 1...Kxf6!
    • 1.Rc8?
      • 1...exf6
        • 2.Re8#
      • 1...Kxf6!
    • 1.Rd8?
      • 1...exf6
        • 2.Re8#
      • 1...Kxf6!
    • 1.Rg8?
      • 1...exf6
        • 2.Re8#
      • 1...Kxf6!
    • 1.Rh8?
      • 1...exf6
        • 2.Re8#
      • 1...Kxf6!
  • Keys
    • 1.fxe7!
      • 1...Kxe7
        • 2.Qf7#
        • 2.Qe8#

FEATURES

  • Static
    • TYPE = WAITER
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 1
  • Sets
    • P(b);OGATEB,SBLOCK,XP(C)::R(E)
  • Tries
    • Try
      • R(E);
      • Vars
        • P(b);OGATEB,SBLOCK,XP(C)::R(E)
      • Refutation
        • K(a);P-FLIGHT,XP(C)
    • Try
      • R(E);
      • Vars
        • P(b);OGATEB,SBLOCK,XP(C)::R(E)
      • Refutation
        • K(a);P-FLIGHT,XP(C)
    • Try
      • R(E);
      • Vars
        • P(b);OGATEB,SBLOCK,XP(C)::R(E)
      • Refutation
        • K(a);P-FLIGHT,XP(C)
    • Try
      • R(E);
      • Vars
        • P(b);OGATEB,SBLOCK,XP(C)::R(E)
      • Refutation
        • K(a);P-FLIGHT,XP(C)
    • Try
      • R(E);
      • Vars
        • P(b);OGATEB,SBLOCK,XP(C)::R(E)
      • Refutation
        • K(a);P-FLIGHT,XP(C)
    • Try
      • R(E);
      • Vars
        • P(b);OGATEB,SBLOCK,XP(C)::R(E)
      • Refutation
        • K(a);P-FLIGHT,XP(C)
  • Actual
    • P(C);XP(b)
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