MESON Chess Problem Database

Problem Display
PID: 206696 (4Q3/8/1K6/8/3k1N2/8/1P6/8 w - - 0 1)

de Savignac Castelet, G Arnaud

La Strategie, 1925

4Q3/8/1K6/8/3k1N2/8/1P6/8

#2

4 + 1

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Kc4
      • 2.Qa4#
  • Tries
    • 1.Qe3+?
      • 1...Kc4
        • 2.Qc3#
      • 1...Kxe3!
    • 1.Qe5+?
      • 1...Kc4
        • 2.Qc3#
      • 1...Kxe5!
  • Keys
    • 1.Qe1!
      • 1...Kc4
        • 2.Qc3#

FEATURES

  • Static
    • TYPE = MUTATE
    • CHANGED MATES = 1
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • K(a);P-FLIGHT::QAR2(D)
  • Tries
    • Try
      • Q(D);CHECK
      • Vars
        • K(a);P-FLIGHT::QAR1(D)
      • Refutation
        • K(a);S_FLIGHT,XQ(D)
    • Try
      • Q(D);CHECK
      • Vars
        • K(a);OGATE,P-FLIGHT::QAR1(D)
      • Refutation
        • K(a);S_FLIGHT,XQ(D)
  • Actual
    • Q(D);
    • Vars
      • K(a);P-FLIGHT::QAR1(D)
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