MESON Chess Problem Database

Problem Display
PID: 274780 (6b1/5pp1/R7/2N2kNP/R4P2/2pp3K/3r1P2/2B5 w - - 0 1)

Ahues, Herbert Siegfried Oskar

Zurcher Woche, 1964

(First published on Fri Mar 20 1964)

6b1/5pp1/R7/2N2kNP/R4P2/2pp3K/3r1P2/2B5

#2

9 + 7

15601 Albrecht-Leiss-Degener Collection 2024

SOLUTION

  • SOUND
  • Keys
    • 1.R4a5!
      • threat
        • 2.Sxd3#
      • 1...Kxf4
        • 2.Sxd3#
      • 1...Ra2
        • 2.Sa4#
      • 1...Rb2
        • 2.Sb3#
      • 1...Re2
        • 2.Sce4#
      • 1...f6
        • 2.Sce6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
  • Actual
    • R(D);
    • Threat
      • R(D)+S(F),XP(c)
    • Vars
      • K(d);P-FLIGHT,P_SPINR(a),XP(E)::S(F),XP(c)
      • R(a);::R(D)+S(F)
      • P(e);SBLOCK::R(D)+S(F)
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