MESON Chess Problem Database

Problem Display
PID: 12211 (8/3p4/1K6/3Pk3/1N6/8/1P3Q2/8 w - - 0 1)

di Vincenzi, Renato

Unpublished, 1976

8/3p4/1K6/3Pk3/1N6/8/1P3Q2/8

#2

5 + 2

SOLUTION

  • SOUND
  • Sets
    • 1...Kd6
      • 2.Qf6#
  • Tries
    • 1.Qf5+?
      • 1...Kd4
        • 2.Qf4#
      • 1...Kd6
        • 2.Qf6#
      • 1...Kxf5!
  • Keys
    • 1.Qf3!
      • 1...Kd4
        • 2.Qf4#
      • 1...Kd6
        • 2.Qf6#
      • 1...d6
        • 2.Sc6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • K(a);S_FLIGHT::QAR2(B)
  • Tries
    • Try
      • Q(B);CHECK
      • Vars
        • K(a);S_FLIGHT::QAR2(B)
      • Refutation
        • K(a);P-FLIGHT,XQ(B)
  • Actual
    • Q(B);
    • Vars
      • K(a);S_FLIGHT::QAR2(B)
      • P(b);N_GUARD,SBLOCK::S(C)
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