MESON Chess Problem Database

Problem Display
PID: 10894 (8/2N3N1/3p4/2p5/K1p1kPpb/4P3/4Q3/8 w - - 0 1)

Mikan, Ilja

Sachove umeni (Ceskoslovensky sach), 1969

8/2N3N1/3p4/2p5/K1p1kPpb/4P3/4Q3/8

#2

6 + 6

5505 Dobrodruzstvi 64 poli 1973

SOLUTION

  • SOUND
  • Tries
    • 1.Sf5?
      • threat
        • 2.Sxd6#
      • 1...Be7
        • 2.Sg3#
      • 1...d5
        • 2.Sd6#
      • 1...Kxf5!
    • 1.Sge8?
      • threat
        • 2.Sxd6#
      • 1...Kf5
        • 2.Qc2#
      • 1...d5
        • 2.Sd6#
      • 1...Be7!
  • Keys
    • 1.Sd5!
      • threat
        • 2.Sc3#
      • 1...Kxd5
        • 2.Qg2#
      • 1...Be1
        • 2.Sf6#
      • 1...Bf6
        • 2.Sxf6#
      • 1...c3
        • 2.Sxc3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(F);
      • Threat
        • S(F),XP(f)
      • Vars
        • B(d);N_GUARD::S(F)
        • P(f);::S(F)
      • Refutation
        • K(b);S_FLIGHT,XS(F)
    • Try
      • S(F);
      • Threat
        • S(F),XP(f)
      • Vars
        • K(b);S_FLIGHT::QAB(A)
        • P(f);::S(F)
      • Refutation
        • B(d);
  • Actual
    • S(E);
    • Threat
      • S(E)
    • Vars
      • K(b);S_FLIGHT,XS(E)::QAB(A)
      • B(d);N_GUARD::S(E)
      • B(d);N_GUARD::S(E),XB(d)
      • P(a);::S(E),XP(a)
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