MESON Chess Problem Database

Problem Display
PID: 232913 (8/8/3K2N1/6k1/7N/3Q4/5P2/8 w - - 0 1)

Evdokimov, Aleksey

Kudesnik, 2008

8/8/3K2N1/6k1/7N/3Q4/5P2/8

#2

5 + 1

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Kg4
      • 2.Qf5#
  • Tries
    • 1.Qe2?
      • 1...Kf6
        • 2.Qe7#
      • 1...Kh6!
  • Keys
    • 1.Sf4!
      • 1...Kxf4
        • 2.Qf5#
      • 1...Kg4
        • 2.Qg3#
      • 1...Kxh4
        • 2.Qg3#
      • 1...Kf6
        • 2.Qg6#
      • 1...Kh6
        • 2.Qg6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 1
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • K(a);P-FLIGHT::QAB1(B)
  • Tries
    • Try
      • Q(B);
      • Vars
        • K(a);S_FLIGHT::QAB1(B)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • S(E);
    • Vars
      • K(a);S_FLIGHT,XS(E)::QAR1(B)
      • K(a);P-FLIGHT::QAR1(B)
      • K(a);S_FLIGHT,XS(C)::QAB1(B)
      • K(a);S_FLIGHT::QAR1(B)
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