MESON Chess Problem Database

Problem Display
PID: 206999 (2Q4K/8/8/8/3kN3/2N5/3P4/8 w - - 0 1)

Anonymous

Daily Alta California, 1859

2Q4K/8/8/8/3kN3/2N5/3P4/8

#2

5 + 1

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Tries
    • 1.Qc6?
      • threat
        • 2.Qd5#
      • 1...Ke5
        • 2.Qf6#
      • 1...Kd3!
    • 1.Qd8+?
      • 1...Ke5
        • 2.Qf6#
      • 1...Kc4!
  • Keys
    • 1.Qa6!
      • 1...Ke5
        • 2.Qf6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(D);
      • Threat
        • QAR1(D)
      • Vars
        • K(a);S_FLIGHT::QAB1(D)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(D);CHECK
      • Vars
        • K(a);S_FLIGHT::QAB1(D)
      • Refutation
        • K(a);P-FLIGHT
  • Actual
    • Q(D);
    • Vars
      • K(a);S_FLIGHT::QAB1(D)
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