MESON Chess Problem Database

Problem Display
PID: 15353 (2R5/2p1p3/4k1K1/4P3/3Q4/8/8/8 w - - 0 1)

Speckmann, Werner

The Problemist, 1982

2R5/2p1p3/4k1K1/4P3/3Q4/8/8/8

#2

4 + 3

3295 Einfuhrung in die Welt des Schachproblem 1984

SOLUTION

  • SOUND
  • Sets
    • 1...c5
      • 2.Rc6#
    • 1...c6
      • 2.Rxc6#
  • Tries
    • 1.Ra8?
      • 1...c5
        • 2.Ra6#
      • 1...c6!
    • 1.Rb8?
      • 1...c5
        • 2.Rb6#
      • 1...c6!
  • Keys
    • 1.Re8!
      • 1...c6
        • 2.Qd6#
      • 1...c5
        • 2.Qd6#

FEATURES

  • Static
    • TYPE = MUTATE
    • CHANGED MATES = 2
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • P(b);OGATE::R(D)
    • P(b);OGATE::R(D),XP(b)
  • Tries
    • Try
      • R(D);
      • Vars
        • P(b);N_GUARD::R(D)
      • Refutation
        • P(b);
    • Try
      • R(D);
      • Vars
        • P(b);N_GUARD::R(D)
      • Refutation
        • P(b);
  • Actual
    • R(D);P_PINP(c)
    • Vars
      • P(b);N_GUARD::QAR1(A)
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