MESON Chess Problem Database

Problem Display
PID: 22075 (8/7Q/8/5K2/8/3k4/1RN5/2R5 w - - 0 1)

Neukomm, Gyula (Julius) R

Chess Amateur (The), 1924

8/7Q/8/5K2/8/3k4/1RN5/2R5

#2

5 + 1

274 diagrammes 1974
2012 Miniature Chess Problems from Many Countries 1981
3713 Snap 2009

SOLUTION

  • SOUND
  • Tries
    • 1.Se1+?
      • 1...Ke3
        • 2.Qa7#
      • 1...Kd4!
    • 1.Sb4+?
      • 1...Kd4
        • 2.Qa7#
      • 1...Ke3!
    • 1.Qh3+?
      • 1...Kd2
        • 2.Qe3#
      • 1...Ke2
        • 2.Sa1#
        • 2.Se1#
        • 2.Sa3#
        • 2.Sb4#
        • 2.Sd4#
        • 2.Qe3#
      • 1...Kc4!
    • 1.Qd7+?
      • 1...Kc3
        • 2.Qd4#
      • 1...Kc4
        • 2.Sa1#
        • 2.Se1#
        • 2.Sa3#
        • 2.Se3#
        • 2.Sb4#
        • 2.Qd4#
      • 1...Ke2!
  • Keys
    • 1.Qa7!
      • threat
        • 2.Se1#
        • 2.Sb4#
      • 1...Kd2
        • 2.Qe3#
      • 1...Ke2
        • 2.Qe3#
      • 1...Kc3
        • 2.Qd4#
      • 1...Kc4
        • 2.Qd4#

Anticipated by 125409(0000)

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(C);CHECK
      • Vars
        • K(a);P-FLIGHT::QAB(E)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • S(C);CHECK
      • Vars
        • K(a);P-FLIGHT::QAB(E)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(E);CHECK
      • Vars
        • K(a);P-FLIGHT::QAB1(E)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(E);CHECK
      • Vars
        • K(a);P-FLIGHT::QAB1(E)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • Q(E);
    • Threat
      • DUALS(2)
    • Vars
      • K(a);P-FLIGHT::QAB1(E)
      • K(a);S_FLIGHT::QAR1(E)
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