MESON Chess Problem Database

Problem Display
PID: 237258 (5n2/8/2K2Q1n/1p6/1p2kp2/3p4/1NbP4/B5N1 w - - 0 1)

Ahues, Herbert Siegfried Oskar

Schweizerische Schachzeitung, 2012

5n2/8/2K2Q1n/1p6/1p2kp2/3p4/1NbP4/B5N1

#2

6 + 8

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Tries
    • 1.Sd1?
      • threat
        • 2.Sf2#
        • 2.Qe5#
      • 1...Bxd1
        • 2.Qe5#
      • 1...Sf7
        • 2.Sf2#
      • 1...Sg6
        • 2.Sf2#
      • 1...Sd7
        • 2.Sf2#
      • 1...Sg4!
    • 1.Sa4?
      • threat
        • 2.Sc5#
        • 2.Qe5#
      • 1...Bxa4
        • 2.Qe5#
      • 1...bxa4
        • 2.Qe5#
      • 1...Sg4
        • 2.Sc5#
      • 1...Sf7
        • 2.Sc5#
      • 1...Se6
        • 2.Qe5#
        • 2.Qxe6#
      • 1...Sg6
        • 2.Sc5#
      • 1...Sd7!
    • 1.Sc4?
      • threat
        • 2.Sd6#
        • 2.Qe5#
      • 1...bxc4
        • 2.Qe5#
      • 1...Sg4
        • 2.Sd6#
      • 1...Sf5
        • 2.Qe5#
      • 1...Sg6
        • 2.Sd6#
      • 1...Sd7
        • 2.Sd6#
      • 1...Sf7!
    • 1.Qe6+?
      • 1...Kd4
        • 2.Sf3#
        • 2.Sd1#
        • 2.Sa4#
        • 2.Sc4#
        • 2.Qd5#
      • 1...Sxe6!
  • Keys
    • 1.Sxd3!
      • threat
        • 2.Sf2#
        • 2.Sc5#
      • 1...Kxd3
        • 2.Qd4#
      • 1...Bxd3
        • 2.Qe5#
      • 1...Sg4
        • 2.Sc5#
      • 1...Se6
        • 2.Sf2#
      • 1...Sd7
        • 2.Sf2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(C);
      • Threat
        • DUALS(2)
      • Vars
        • B(a);XS(C)::QAR1(F)
        • S(g);::S(C)
        • S(h);::S(C)
      • Refutation
        • S(g);
    • Try
      • S(C);
      • Threat
        • DUALS(2)
      • Vars
        • B(a);XS(C)::QAR1(F)
        • P(f);XS(C)::QAR1(F)
        • S(g);::S(C)
        • S(h);::S(C)
      • Refutation
        • S(h);
    • Try
      • S(C);
      • Threat
        • DUALS(2)
      • Vars
        • P(f);XS(C)::QAR1(F)
        • S(g);::S(C)
        • S(g);::QAR1(F)
        • S(h);::S(C)
      • Refutation
        • S(g);
    • Try
      • Q(F);CHECK
      • Refutation
        • S(h);XQ(F)
  • Actual
    • S(C);XP(b)
    • Threat
      • DUALS(2)
    • Vars
      • K(d);S_FLIGHT,XS(C)::QAR1(F)
      • B(a);SBLOCK,XS(C)::QAR1(F)
      • S(g);::S(C)
      • S(h);::S(C)
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