MESON Chess Problem Database

Problem Display
PID: 82239 (8/2rp4/5QB1/3pPP2/R2Pk2K/3N2pn/4P3/3N1n2 w - - 0 1)

Ahues, Herbert Siegfried Oskar

Echecs Francais, 1982

8/2rp4/5QB1/3pPP2/R2Pk2K/3N2pn/4P3/3N1n2

#2

10 + 7

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Tries
    • 1.Qg5?
      • threat
        • 2.f6#
      • 1...Se3
        • 2.Qxe3#
      • 1...Sf4
        • 2.Qxf4#
      • 1...Rc4!
  • Keys
    • 1.Qc6!
      • threat
        • 2.f6#
      • 1...Se3
        • 2.Sc3#
      • 1...Sf4
        • 2.Sc5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(I);
      • Threat
        • B(J)+P(H)
      • Vars
        • S(a);N_GUARD::QAR1(I),XS(a)
        • S(c);N_GUARD::QAR1(I),XS(c)
      • Refutation
        • R(f);
  • Actual
    • Q(I);P_PINP(e)
    • Threat
      • B(J)+P(H)
    • Vars
      • S(a);SBLOCK::S(A)
      • S(c);SBLOCK::S(C)
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