MESON Chess Problem Database

Problem Display
PID: 269112 (3Q3K/8/6Nk/4Pp1N/8/6P1/1p6/1B6 w - - 0 1)

Klemanic, Emil

4th Prize, Pat a Mat, 2019

3Q3K/8/6Nk/4Pp1N/8/6P1/1p6/1B6

#2

7 + 3

6490 yacpdb 2023

SOLUTION

  • SOUND
  • Tries
    • 1.Sf8?
      • 1...Kxh5
        • 2.Qh4#
      • 1...f4!
    • 1.Qh4?
      • threat
        • 2.Shf4#
      • 1...f4
        • 2.Shxf4#
        • 2.Sf6#
        • 2.Sg7#
      • 1...Kxg6!
    • 1.Qf6?
      • threat
        • 2.Sgf4#
      • 1...f4
        • 2.Sgxf4#
      • 1...Kxh5!
  • Keys
    • 1.Sg7!
      • 1...Kxg6
        • 2.Qf6#
      • 1...f4
        • 2.Qh4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(E);
      • Vars
        • K(c);OGATEB,P-FLIGHT,XS(D)::QAR1(F)
      • Refutation
        • P(b);
    • Try
      • Q(F);
      • Threat
        • QAR(F)+S(D)
      • Refutation
        • K(c);P-FLIGHT,P_SPINP(b),XS(E)
    • Try
      • Q(F);
      • Threat
        • QAR(F)+S(E)
      • Vars
        • P(b);::QAR(F)+S(E),XP(b)
      • Refutation
        • K(c);P-FLIGHT,XS(D)
  • Actual
    • S(D);
    • Vars
      • K(c);OGATEB,P-FLIGHT,P_SPINP(b),XS(E)::QAR1(F)
      • P(b);::QAR2(F)
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