MESON Chess Problem Database

Problem Display
PID: 233198 (8/8/2p3p1/2K3P1/3Pk1Nn/4P3/2P3n1/5Q2 w - - 0 1)

Lindner, Erich

Freie Presse, 1968

8/8/2p3p1/2K3P1/3Pk1Nn/4P3/2P3n1/5Q2

#2

7 + 5

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Se1
      • 2.Qf4#
    • 1...Sxe3
      • 2.Sf6#
    • 1...Sf4
      • 2.Qxf4#
    • 1...Sf3
      • 2.Qd3#
    • 1...Sf5
      • 2.Qxg2#
  • Tries
    • 1.Kxc6?
      • 1...Sf4
        • 2.Qxf4#
      • 1...Sf3
        • 2.Qd3#
      • 1...Se1
        • 2.Qf4#
      • 1...Sf5
        • 2.Qxg2#
      • 1...Sxe3!
    • 1.Qf2?
      • threat
        • 2.Sf6#
      • 1...Sf4
        • 2.Qxf4#
      • 1...Sf3!
    • 1.Qf7?
      • 1...Sxe3
        • 2.Sf2#
      • 1...Sf4
        • 2.Qxf4#
      • 1...Se1
        • 2.Qf4#
      • 1...Sf3
        • 2.Qxg6#
      • 1...Sf5!
  • Keys
    • 1.Qf6!
      • 1...Sxe3
        • 2.Sf2#
      • 1...Sf4
        • 2.Qxf4#
      • 1...Sf5
        • 2.Qxc6#
      • 1...Se1
        • 2.Qf4#
      • 1...Sf3
        • 2.Qxg6#

FEATURES

  • Static
    • TYPE = MUTATE
    • CHANGED MATES = 3
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • S(a);N_GUARD::QAR1(A)
    • S(a);SBLOCK,XP(C)::S(E)
    • S(a);N_GUARD::QAR1(A),XS(a)
    • S(c);SBLOCK::QAB1(A)
    • S(c);N_GUARD,SBLOCK::QAB(A),XS(a)
  • Tries
    • Try
      • K(F);P-FLIGHT,XP(d)
      • Vars
        • S(a);N_GUARD::QAR1(A),XS(a)
        • S(c);SBLOCK::QAB1(A)
        • S(a);N_GUARD::QAR1(A)
        • S(c);N_GUARD,SBLOCK::QAB(A),XS(a)
      • Refutation
        • S(a);XP(C)
    • Try
      • Q(A);
      • Threat
        • S(E)
      • Vars
        • S(a);N_GUARD::QAR1(A),XS(a)
      • Refutation
        • S(c);
    • Try
      • Q(A);
      • Vars
        • S(a);SBLOCK,XP(C)::S(E)
        • S(a);N_GUARD::QAR1(A),XS(a)
        • S(a);N_GUARD::QAR1(A)
        • S(c);N_GUARD,SBLOCK::QAB(A),XP(e)
      • Refutation
        • S(c);
  • Actual
    • Q(A);
    • Vars
      • S(a);SBLOCK,XP(C)::S(E)
      • S(a);N_GUARD::QAR1(A),XS(a)
      • S(c);SBLOCK::QAB(A),XP(d)
      • S(a);N_GUARD::QAR1(A)
      • S(c);N_GUARD,SBLOCK::QAB(A),XP(e)
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