MESON Chess Problem Database

Problem Display
PID: 108159 (n4K2/7k/2R1p1Np/4P3/4Q3/2p5/B7/8 w - - 0 1)

Gold, Zsigmund

Checkmate, 1901

n4K2/7k/2R1p1Np/4P3/4Q3/2p5/B7/8

#2

6 + 5

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Sc7
      • 2.Rxc7#
  • Tries
    • 1.Qf3?
      • threat
        • 2.Qf7#
      • 1...h5
        • 2.Qxh5#
      • 1...Kxg6!
  • Keys
    • 1.Qf5!
      • threat
        • 2.Qf7#
      • 1...exf5
        • 2.Bg8#
      • 1...h5
        • 2.Qxh5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 1
  • Sets
    • S(e);N_GUARD::R(D),XS(e)
  • Tries
    • Try
      • Q(B);
      • Threat
        • QAR2(B)
      • Vars
        • P(c);OGATEB::QAR2(B),XP(c)
      • Refutation
        • K(d);P_SPINP(b),S_FLIGHT,XS(E)
  • Actual
    • Q(B);
    • Threat
      • QAR2(B)
    • Vars
      • P(b);OGATE,XQ(B)::B(A)
      • P(c);OGATEB::QAR2(B),XP(c)
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