MESON Chess Problem Database

Problem Display
PID: 171075 (6Nk/7N/7K/8/3P1p2/1B1n1P2/6n1/1Q4R1 w - - 0 1)

Witt, Andreas

Rhein-Neckar-Zeitung, 2005

6Nk/7N/7K/8/3P1p2/1B1n1P2/6n1/1Q4R1

#2

8 + 4

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Tries
    • 1.Sf8?
      • threat
        • 2.Sg6#
      • 1...Se5
        • 2.Qh7#
      • 1...Sh4!
    • 1.Se7?
      • threat
        • 2.Sg6#
      • 1...Sh4
        • 2.Rg8#
      • 1...Se5!
  • Keys
    • 1.Sg5!
      • 1...Sge1
        • 2.Sf7#
      • 1...Se3
        • 2.Sf7#
      • 1...Sh4
        • 2.Sf7#
      • 1...Sc1
        • 2.Qh7#
      • 1...Sde1
        • 2.Qh7#
      • 1...Sb2
        • 2.Qh7#
      • 1...Sf2
        • 2.Qh7#
      • 1...Sb4
        • 2.Qh7#
      • 1...Sc5
        • 2.Qh7#
      • 1...Se5
        • 2.Qh7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 10
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(G);
      • Threat
        • S(G)
      • Vars
        • S(b);OGATE::QAR1(A)
      • Refutation
        • S(a);
    • Try
      • S(H);
      • Threat
        • S(H)
      • Vars
        • S(a);OGATE::R1(B)
      • Refutation
        • S(b);
  • Actual
    • S(G);
    • Vars
      • S(a);::S(G)
      • S(b);OGATE::QAR1(A)
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