MESON Chess Problem Database

Problem Display
PID: 169795 (8/4N3/5p2/8/2Pk4/KQ6/3P4/8 w - - 0 1)

Cap, Julius

Cesky denik, 1945

8/4N3/5p2/8/2Pk4/KQ6/3P4/8

#2

5 + 2

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Ke4
      • 2.Qe3#
  • Tries
    • 1.Kb4?
      • threat
        • 2.Qe3#
      • 1...Ke4
        • 2.Qe3#
      • 1...Ke5!
    • 1.Qc3+?
      • 1...Ke4
        • 2.Qe3#
      • 1...Kc5!
  • Keys
    • 1.c5!
      • threat
        • 2.Qd5#
      • 1...Ke4
        • 2.Qe3#
      • 1...Kxc5
        • 2.Qb4#
      • 1...Ke5
        • 2.Qe3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • K(a);P-FLIGHT::QAR1(C)
  • Tries
    • Try
      • K(B);S_FLIGHT
      • Threat
        • QAB1(C)
      • Vars
        • K(a);P-FLIGHT::QAR1(C)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(C);CHECK
      • Vars
        • K(a);P-FLIGHT::QAR1(C)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • P(D);
    • Threat
      • QAR1(C)
    • Vars
      • K(a);P-FLIGHT::QAR1(C)
      • K(a);S_FLIGHT,XP(D)::QAB1(C)
      • K(a);S_FLIGHT::QAR2(C)
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