MESON Chess Problem Database

Problem Display
PID: 166220 (8/1Q3BkN/8/8/5K2/6N1/8/8 w - - 0 1)

Kozhokar, Viacheslav

Buletin Problemistic, 2003

8/1Q3BkN/8/8/5K2/6N1/8/8

#2

5 + 1

145 StrateGems 2016

SOLUTION

  • SOUND
  • Tries
    • 1.Sf5+?
      • 1...Kxh7
        • 2.Qh1#
      • 1...Kh8!
    • 1.Sf8?
      • 1...Kf6
        • 2.Sh5#
      • 1...Kh6
        • 2.Sf5#
      • 1...Kh8
        • 2.Qb2#
      • 1...Kxf8!
  • Keys
    • 1.Sg5!
      • 1...Kf6
        • 2.Sh5#
      • 1...Kh6
        • 2.Sf5#
      • 1...Kf8
        • 2.Se6#
      • 1...Kh8
        • 2.Qb2#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(A);CHECK
      • Vars
        • K(a);P-FLIGHT,XS(E)::QAR(C)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(E);
      • Vars
        • K(a);S_FLIGHT::S(A)
        • K(a);S_FLIGHT::QAB(C)
      • Refutation
        • K(a);S_FLIGHT,XS(E)
  • Actual
    • S(E);
    • Vars
      • K(a);S_FLIGHT::S(A)
      • K(a);S_FLIGHT::S(E)
      • K(a);S_FLIGHT::QAB(C)
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