MESON Chess Problem Database

Problem Display
PID: 77288 (8/1K2Np2/Q7/6p1/4k1p1/5p2/2P1Np2/8 w - - 0 1)

Holladay, Edgar Dinwiddie

The Problemist, 1973

8/1K2Np2/Q7/6p1/4k1p1/5p2/2P1Np2/8

#2

5 + 6

6232 Holladay Chess Problems 2007

SOLUTION

  • SOUND
  • Sets
    • 1...Ke3
      • 2.Qd3#
    • 1...f5
      • 2.Qe6#
    • 1...f6
      • 2.Qe6#
  • Tries
    • 1.Qc4+?
      • 1...Ke3
        • 2.Qd3#
      • 1...Ke5!
    • 1.Qd6?
      • threat
        • 2.Qd4#
      • 1...Ke3
        • 2.Qd3#
      • 1...fxe2!
  • Keys
    • 1.Sg6!
      • threat
        • 2.Qd3#
      • 1...Ke3
        • 2.Qd3#
      • 1...Kd5
        • 2.Qc6#
      • 1...Kf5
        • 2.Sg3#
      • 1...fxg6
        • 2.Qe6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 2
  • Sets
    • K(c);P-FLIGHT::QAR1(C)
    • P(f);N_GUARD::QAR2(C)
  • Tries
    • Try
      • Q(C);CHECK
      • Vars
        • K(c);P-FLIGHT::QAR1(C)
      • Refutation
        • K(c);P-FLIGHT
    • Try
      • Q(C);
      • Threat
        • QAR1(C)
      • Vars
        • K(c);P-FLIGHT::QAR1(C)
      • Refutation
        • P(b);XS(B)
  • Actual
    • S(E);
    • Threat
      • QAB1(C)
    • Vars
      • K(c);P-FLIGHT::QAR1(C)
      • K(c);S_FLIGHT::QAB1(C)
      • K(c);S_FLIGHT::S(B)
      • P(f);N_GUARD,XS(E)::QAR2(C)
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