MESON Chess Problem Database

Problem Display
PID: 129751 (3k1N2/r1NP4/p7/K7/4Q3/8/8/8 w - - 0 1)

Kabes, Vlastimil

Ruch, 1948

3k1N2/r1NP4/p7/K7/4Q3/8/8/8

#2

5 + 3

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Rxc7
      • 2.Qh4#
      • 2.Qe8#
  • Tries
    • 1.Qh7?
      • threat
        • 2.Sce6#
        • 2.Sfe6#
      • 1...Rxc7
        • 2.Se6#
        • 2.Qh4#
      • 1...Kxc7!
  • Keys
    • 1.Qb4!
      • threat
        • 2.Sce6#
      • 1...Kxc7
        • 2.Qb6#
      • 1...Rxc7
        • 2.Qh4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(A);
      • Threat
        • DUALS(2)
      • Refutation
        • K(c);S_FLIGHT,XS(C)
  • Actual
    • Q(A);
    • Threat
      • S(C)
    • Vars
      • K(c);OGATEB,S_FLIGHT,XS(C)::QAB1(A)
      • R(b);SBLOCK,XS(C)::QAB(A)
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