MESON Chess Problem Database

Problem Display
PID: 171026 (k6r/7P/1Q6/8/4p3/8/8/4K2R w K - 0 1)

Dyachuk, Vasyl Vasilovich

HM., Zheltonozhko JT, 1997

k6r/7P/1Q6/8/4p3/8/8/4K2R

#2

4 + 3

145 StrateGems 2017

SOLUTION

  • SOUND
  • Sets
    • 1...Rb8
      • 2.Qa6#
    • 1...Rg8
      • 2.hxg8Q#
      • 2.hxg8R#
  • Keys
    • 1.0-0!
      • threat
        • 2.Ra1#
      • 1...Rg8+
        • 2.hxg8Q#
        • 2.hxg8R#
      • 1...Rxh7
        • 2.Rf8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 1
  • Sets
    • R(c);SBLOCK::QAR2(C)
    • R(c);OGATE::PXR(c)=Q
  • Actual
    • K(A);0-0
    • Threat
      • R(B)
    • Vars
      • R(c);CHECK,OGATE::PXR(c)=Q
      • R(c);N_GUARD,SBLOCK,XP(D)::R(B)
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