MESON Chess Problem Database

Problem Display
PID: 193631 (6n1/6n1/3p4/3kb3/3Nb3/2PN3Q/K7/8 w - - 0 1)

Waldner, Karl

Das Interessante Blatt, 1915

6n1/6n1/3p4/3kb3/3Nb3/2PN3Q/K7/8

#2

5 + 6

6490 yacpdb 2019

SOLUTION

  • SOUND
  • Sets
    • 1...Sh5
      • 2.Qe6#
    • 1...Se6
      • 2.Qxe6#
    • 1...Se8
      • 2.Qe6#
  • Keys
    • 1.Qc8!
      • threat
        • 2.Sb4#
        • 2.Qc6#
      • 1...Bxd3
        • 2.Qc6#
      • 1...Bxd4
        • 2.c4#
      • 1...Bh1
        • 2.Qc6#
      • 1...Bg2
        • 2.Qc6#
      • 1...Bf3
        • 2.Qc6#
      • 1...Bf5
        • 2.Qc6#
      • 1...Bg6
        • 2.Qc6#
      • 1...Bh7
        • 2.Qc6#
      • 1...Bh2
        • 2.Qc6#
      • 1...Bg3
        • 2.Qc6#
      • 1...Bf4
        • 2.Qc6#
      • 1...Bf6
        • 2.Qc6#
      • 1...Se7
        • 2.Sb4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 13
    • REMOVED MATES = 3
  • Sets
    • S(e);N_GUARD::QAB1(D)
    • S(e);N_GUARD::QAB1(D),XS(e)
  • Actual
    • Q(D);
    • Threat
      • DUALS(2)
    • Vars
      • B(a);XS(C)::QAB1(D)
      • B(c);SBLOCK,XS(E)::P(B)
      • B(a);::QAB1(D)
      • B(c);::QAB1(D)
      • S(f);::S(C)
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