MESON Chess Problem Database

Problem Display
PID: 233413 (n2Q3b/6n1/r1p2P2/4k1Bp/p3pN1N/8/2K5/8 w - - 0 1)

Dittrich, Stefan

Muller, Dieter

Freie Presse, 1975

n2Q3b/6n1/r1p2P2/4k1Bp/p3pN1N/8/2K5/8

#2

6 + 9

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Sf5
      • 2.Shg6#
    • 1...Se6
      • 2.Sfg6#
    • 1...c5
      • 2.Qd5#
  • Tries
    • 1.Qd7?
      • threat
        • 2.Sfg6#
        • 2.Shg6#
      • 1...Se6
        • 2.Sfg6#
      • 1...e3!
    • 1.f7?
      • threat
        • 2.Qf6#
      • 1...Sf5
        • 2.Shg6#
      • 1...Se6
        • 2.Sfg6#
      • 1...Se8
        • 2.fxe8Q#
        • 2.fxe8R#
      • 1...c5
        • 2.Qd5#
      • 1...e3!
  • Keys
    • 1.Kc3!
      • threat
        • 2.Qd4#
      • 1...Sf5
        • 2.Shg6#
      • 1...Se6
        • 2.Sfg6#
      • 1...c5
        • 2.Qd5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • S(g);SBLOCK::S(C)
    • S(g);SBLOCK::S(B)
    • P(f);N_GUARD::QAR1(F)
  • Tries
    • Try
      • Q(F);
      • Threat
        • DUALS(2)
      • Vars
        • S(g);::S(B)
      • Refutation
        • P(b);
    • Try
      • P(E);
      • Threat
        • QAB1(F)
      • Vars
        • S(g);SBLOCK::S(C)
        • S(g);SBLOCK::S(B)
        • S(g);OGATE::PXS(g)=Q
        • P(f);N_GUARD::QAR1(F)
      • Refutation
        • P(b);
  • Actual
    • K(A);P-FLIGHT
    • Threat
      • QAB1(F)
    • Vars
      • S(g);SBLOCK::S(C)
      • S(g);SBLOCK::S(B)
      • P(f);N_GUARD::QAR1(F)
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