MESON Chess Problem Database

Problem Display
PID: 15921 (8/8/8/4K3/3N4/2kp4/1N6/Q7 w - - 0 1)

di Vincenzi, Renato

Unpublished, 1989

8/8/8/4K3/3N4/2kp4/1N6/Q7

#2

4 + 2

3713 Snap 2008

SOLUTION

  • SOUND
  • Sets
    • 1...Kd2
      • 2.Sc4#
    • 1...d2
      • 2.Qa3#
  • Tries
    • 1.Ke4?
      • 1...Kd2
        • 2.Sc4#
      • 1...d2
        • 2.Qa3#
      • 1...Kb4!
  • Keys
    • 1.Kd5!
      • 1...Kd2
        • 2.Sc4#
      • 1...Kb4
        • 2.Sxd3#
      • 1...d2
        • 2.Qa3#

Anticipated by 76534(1933)

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • K(a);S_FLIGHT::S(B)
    • P(b);SBLOCK::QAR2(A)
  • Tries
    • Try
      • K(D);P-FLIGHT
      • Vars
        • K(a);S_FLIGHT::S(B)
        • P(b);SBLOCK::QAR2(A)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • K(D);P-FLIGHT
    • Vars
      • K(a);S_FLIGHT::S(B)
      • K(a);S_FLIGHT::S(B),XP(b)
      • P(b);SBLOCK::QAR2(A)
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