MESON Chess Problem Database

Problem Display
PID: 93890 (6n1/8/2N4B/1P1k1P2/4Np2/3P1P2/n7/6KQ w - - 0 1)

Strycek, Oskar

Sachove umeni (Ceskoslovensky sach), 1968

6n1/8/2N4B/1P1k1P2/4Np2/3P1P2/n7/6KQ

#2

9 + 4

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Tries
    • 1.Bg7?
      • 1...Sc1
        • 2.Sb4#
      • 1...Sc3
        • 2.Sb4#
      • 1...Sb4
        • 2.Sxb4#
      • 1...Sh6
        • 2.Se7#
      • 1...Se7
        • 2.Sxe7#
      • 1...Sf6!
    • 1.Bf8?
      • 1...Sc1
        • 2.Sc3#
      • 1...Sc3
        • 2.Sxc3#
      • 1...Sb4
        • 2.Sc3#
      • 1...Sf6
        • 2.Sxf6#
      • 1...Sh6
        • 2.Sf6#
      • 1...Se7!
  • Keys
    • 1.Qg2!
      • threat
        • 2.Qxa2#
        • 2.Qxg8#
      • 1...Sxh6
        • 2.Qxa2#
      • 1...Sc1
        • 2.Qxg8#
      • 1...Sc3
        • 2.Qxg8#
      • 1...Sb4
        • 2.Qxg8#
      • 1...Sf6
        • 2.Qxa2#
      • 1...Se7
        • 2.Qxa2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(I);
      • Vars
        • S(a);N_GUARD::S(H)
        • S(a);N_GUARD::S(H),XS(a)
        • S(d);N_GUARD::S(H)
        • S(d);N_GUARD::S(H),XS(d)
      • Refutation
        • S(d);
    • Try
      • B(I);
      • Vars
        • S(a);N_GUARD::S(E)
        • S(a);N_GUARD::S(E),XS(a)
        • S(d);N_GUARD::S(E),XS(d)
        • S(d);N_GUARD::S(E)
      • Refutation
        • S(d);
  • Actual
    • Q(B);
    • Threat
      • DUALS(2)
    • Vars
      • S(d);XB(I)::QAB(B),XS(a)
      • S(a);::QAB(B),XS(d)
      • S(d);::QAB(B),XS(a)
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