MESON Chess Problem Database

Problem Display
PID: 65707 (8/8/1p6/1p6/1NkbQ3/K7/8/8 w - - 0 1)

Bedoni, Romeo

Phenix, 1999

8/8/1p6/1p6/1NkbQ3/K7/8/8

#2

3 + 4

5454 Near Snap 2023

SOLUTION

  • SOUND
  • Sets
    • 1...Kc3
      • 2.Qc2#
      • 2.Qd3#
    • 1...Kc5
      • 2.Qd5#
      • 2.Qc6#
  • Tries
    • 1.Qe2+?
      • 1...Kc3
        • 2.Sa2#
        • 2.Sd5#
        • 2.Qd3#
        • 2.Qc2#
      • 1...Kc5!
    • 1.Qe6+?
      • 1...Kc5
        • 2.Sd3#
        • 2.Sa6#
        • 2.Qd5#
        • 2.Qc6#
      • 1...Kc3!
  • Keys
    • 1.Qf4!
      • 1...Kc3
        • 2.Qc1#
      • 1...Kc5
        • 2.Qc7#

Anticipated by 73187(1921), 71344(1924), 77808(1953), 79357(1964)

FEATURES

  • Static
    • TYPE = WAITER
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(C);CHECK,N_PINB(b)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(C);CHECK,N_PINB(b)
      • Refutation
        • K(a);P-FLIGHT
  • Actual
    • Q(C);
    • Vars
      • K(a);N_SPINB(b),P-FLIGHT::QAR2(C)
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