MESON Chess Problem Database

Problem Display
PID: 146198 (6Q1/2b2K1p/5p1N/3n2Bk/4Np2/8/4r3/3B2n1 w - - 0 1)

Scheel, Johan

Tidskrift for Schack, 1915

6Q1/2b2K1p/5p1N/3n2Bk/4Np2/8/4r3/3B2n1

#2

6 + 8

14868 Pirnie Collection 2012

SOLUTION

  • SOUND
  • Sets
    • 1...Sc3
      • 2.Sxf6#
    • 1...Se3
      • 2.Sxf6#
    • 1...Sb4
      • 2.Sxf6#
    • 1...Sb6
      • 2.Sxf6#
    • 1...Se7
      • 2.Sxf6#
    • 1...fxg5
      • 2.Qxg5#
  • Tries
    • 1.Ke6?
      • threat
        • 2.Qf7#
        • 2.Qe8#
      • 1...fxg5
        • 2.Qxg5#
      • 1...Se7!
    • 1.Kf8?
      • threat
        • 2.Qf7#
      • 1...fxg5
        • 2.Qxg5#
      • 1...Se7
        • 2.Sxf6#
      • 1...Bd6+!
    • 1.Qe8?
      • threat
        • 2.Ke6#
        • 2.Kg7#
        • 2.Kf8#
        • 2.Kg8#
      • 1...Se7
        • 2.Kxe7#
      • 1...Bd6
        • 2.Ke6#
        • 2.Kg7#
        • 2.Kg8#
      • 1...fxg5!
  • Keys
    • 1.Ke8!
      • threat
        • 2.Qf7#
      • 1...fxg5
        • 2.Qxg5#
      • 1...Se7
        • 2.Sxf6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 4
  • Sets
    • S(d);N_GUARD::S(B),XP(f)
    • P(f);OGATE,XB(C)::QAR1(F),XP(f)
  • Tries
    • Try
      • K(E);P_SPINS(B),S_FLIGHT
      • Threat
        • DUALS(2)
      • Vars
        • P(f);OGATE,XB(C)::QAR1(F),XP(f)
      • Refutation
        • S(d);
    • Try
      • K(E);P-FLIGHT
      • Threat
        • QAB(F)
      • Vars
        • P(f);OGATE,XB(C)::QAR1(F),XP(f)
        • S(d);N_GUARD::S(B),XP(f)
      • Refutation
        • B(g);CHECK
    • Try
      • Q(F);
      • Threat
        • DUALS(4)
      • Vars
        • S(d);::QAB(F)+K(E),XS(d)
      • Refutation
        • P(f);XB(C)
  • Actual
    • K(E);P_SPINS(B),S_FLIGHT
    • Threat
      • QAB(F)
    • Vars
      • P(f);OGATE,XB(C)::QAR1(F),XP(f)
      • S(d);N_PINS(B)::S(B),XP(f)
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