MESON Chess Problem Database

Problem Display
PID: 165414 (8/2b1n3/N7/1P1N4/kB6/1nQ5/8/3K4 w - - 0 1)

Cumpe, Josef

Sachove umeni (Ceskoslovensky sach), 1938

8/2b1n3/N7/1P1N4/kB6/1nQ5/8/3K4

#2

6 + 4

15148 Sadier Collection 2017

SOLUTION

  • SOUND
  • Tries
    • 1.Qd3?
      • threat
        • 2.Sc3#
      • 1...Be5
        • 2.Sb6#
      • 1...Sa1
        • 2.Sc5#
      • 1...Sc1
        • 2.Sc5#
      • 1...Sd2
        • 2.Sc5#
      • 1...Sd4
        • 2.Sc5#
      • 1...Sa5
        • 2.Sc5#
      • 1...Sc5
        • 2.Sxc5#
      • 1...Sxd5!
    • 1.Qc4?
      • threat
        • 2.Sc3#
      • 1...Be5
        • 2.Sb6#
      • 1...Sxd5!
  • Keys
    • 1.Qc6!
      • threat
        • 2.Sc3#
      • 1...Sxd5
        • 2.b6#
      • 1...Sa1
        • 2.Sc5#
      • 1...Sc1
        • 2.Sc5#
      • 1...Sd2
        • 2.Sc5#
      • 1...Sd4
        • 2.Sc5#
      • 1...Sa5
        • 2.Sc5#
      • 1...Sc5
        • 2.Sxc5#
      • 1...Be5
        • 2.Sb6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 8
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(B);
      • Threat
        • S(E)
      • Vars
        • B(c);N_GUARD::S(E)
        • S(a);N_GUARD::S(F)
        • S(a);N_GUARD::S(F),XS(a)
      • Refutation
        • S(d);XS(E)
    • Try
      • Q(B);
      • Threat
        • S(E)
      • Vars
        • B(c);N_GUARD::S(E)
      • Refutation
        • S(d);XS(E)
  • Actual
    • Q(B);
    • Threat
      • S(E)
    • Vars
      • S(d);N_GUARD,XS(E)::QAB(B)+P(D)
      • S(a);N_GUARD::S(F)
      • S(a);N_GUARD::S(F),XS(a)
      • B(c);N_GUARD::S(E)
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