MESON Chess Problem Database

Problem Display
PID: 217466 (8/8/5QPp/5p2/5PkP/5N1p/5KnP/8 w - - 0 1)

Krepko, Piotr Andrinovich

Sachova skladba, 1988

8/8/5QPp/5p2/5PkP/5N1p/5KnP/8

#2

7 + 5

15148 Sadier Collection 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Kxf4
      • 2.Qd4#
    • 1...Kh5
      • 2.Qxf5#
    • 1...Sxh4
      • 2.Qxh4#
    • 1...h5
      • 2.Qg5#
  • Keys
    • 1.h5!
      • 1...Kxf4
        • 2.Qd4#
      • 1...Kxh5
        • 2.Qxf5#
      • 1...Sxf4
        • 2.Qh4#
      • 1...Se1
        • 2.Qh4#
      • 1...Se3
        • 2.Qh4#
      • 1...Sh4
        • 2.Qxh4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 1
  • Sets
    • K(c);OGATEB,P-FLIGHT,P_SPINP(d),XP(D)::QAR2(F)
    • K(c);S_FLIGHT::QAR2(F),XP(d)
    • S(a);OGATE,XP(E)::QAR1(F),XS(a)
    • P(e);N_GUARD::QAR1(F)
  • Actual
    • P(E);
    • Vars
      • K(c);OGATEB,P-FLIGHT,P_SPINP(d),XP(D)::QAR2(F)
      • K(c);S_FLIGHT,XP(E)::QAR2(F),XP(d)
      • S(a);N_GUARD,SBLOCK,XP(D)::QAR1(F)
      • S(a);N_GUARD::QAR1(F)
      • S(a);N_GUARD::QAR1(F),XS(a)
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