MESON Chess Problem Database

Problem Display
PID: 17760 (3N1Q2/K2k1P2/3N4/4p3/4P3/8/8/8 w - - 0 1)

Neukomm, Gyula (Julius) R

3rd Prize, Magyar Sakkelet, 1949

3N1Q2/K2k1P2/3N4/4p3/4P3/8/8/8

#2

6 + 2

3310 2345 Chess Problems 1997
5454 Near Snap 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Kc7
      • 2.Qe7#
  • Tries
    • 1.S8b7?
      • 1...Kc6
        • 2.Qc8#
      • 1...Kc7
        • 2.Qc8#
      • 1...Ke6!
    • 1.Qe8+?
      • 1...Kc7
        • 2.Qe7#
      • 1...Kxd6!
  • Keys
    • 1.Qg7!
      • threat
        • 2.f8Q#
      • 1...Kxd6
        • 2.f8Q#
        • 2.f8B#
      • 1...Kc7
        • 2.f8Q#
      • 1...Ke7
        • 2.f8Q#
      • 1...Kxd8
        • 2.f8Q#
        • 2.f8R#

Anticipated by 101044(1917), 5982(1926)

FEATURES

  • Static
    • TYPE = BLOCK_THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • K(b);P-FLIGHT::QAR2(F)
  • Tries
    • Try
      • S(E);
      • Vars
        • K(b);S_FLIGHT::QAR2(F)
        • K(b);P-FLIGHT::QAR1(F)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • Q(F);CHECK
      • Vars
        • K(b);P-FLIGHT::QAR2(F)
      • Refutation
        • K(b);P-FLIGHT,XS(B)
  • Actual
    • Q(F);
    • Threat
      • P=Q
    • Vars
      • K(b);P-FLIGHT,XS(B)::P=Q
      • K(b);P-FLIGHT::P=Q
      • K(b);P-FLIGHT,XS(E)::P=Q
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