MESON Chess Problem Database

Problem Display
PID: 122369 (8/8/8/5QNk/8/8/5P2/4K3 w - - 0 1)

Kuligin, Nikolai Volodimirovich

Kudesnik, 2006

8/8/8/5QNk/8/8/5P2/4K3

#2

4 + 1

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Kh4
      • 2.Sf3#
  • Tries
    • 1.Kd1?
      • 1...Kh4
        • 2.Sf3#
      • 1...Kh6!
    • 1.Kf1?
      • 1...Kh4
        • 2.Sf3#
      • 1...Kh6!
    • 1.Kd2?
      • 1...Kh4
        • 2.Sf3#
      • 1...Kh6!
    • 1.Ke2?
      • 1...Kh4
        • 2.Sf3#
      • 1...Kh6!
    • 1.f3?
      • 1...Kh4
        • 2.Qg4#
      • 1...Kh6!
  • Keys
    • 1.f4!
      • 1...Kh4
        • 2.Qh3#
      • 1...Kh6
        • 2.Qh7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 1
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • K(a);P-FLIGHT::S(D)
  • Tries
    • Try
      • K(A);P-FLIGHT
      • Vars
        • K(a);P-FLIGHT::S(D)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • K(A);P-FLIGHT
      • Vars
        • K(a);P-FLIGHT::S(D)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • K(A);S_FLIGHT
      • Vars
        • K(a);P-FLIGHT::S(D)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • K(A);P-FLIGHT
      • Vars
        • K(a);P-FLIGHT::S(D)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • P(B);
      • Vars
        • K(a);P-FLIGHT::QAR1(C)
      • Refutation
        • K(a);P-FLIGHT
  • Actual
    • P(B);
    • Vars
      • K(a);P-FLIGHT::QAR1(C)
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