MESON Chess Problem Database

Problem Display
PID: 240489 (5r1n/2Q5/8/4n1pK/4pkp1/6N1/1p3P2/3B3b w - - 0 1)

Pilchenko, Viacheslav Karlovich

Hlas l'udu, 1984

5r1n/2Q5/8/4n1pK/4pkp1/6N1/1p3P2/3B3b

#2

5 + 9

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Tries
    • 1.Qe7?
      • threat
        • 2.Qxg5#
      • 1...Rf6
        • 2.Qxf6#
      • 1...Rg8
        • 2.Qf6#
      • 1...Sf3
        • 2.Qxe4#
      • 1...Sef7
        • 2.Qf6#
      • 1...Shf7
        • 2.Qf6#
      • 1...Rf5!
  • Keys
    • 1.Qc5!
      • threat
        • 2.Qe3#
      • 1...Sd3
        • 2.Qxg5#
      • 1...Sf3
        • 2.Se2#
      • 1...Sc4
        • 2.Qxg5#
      • 1...Sc6
        • 2.Qxg5#
      • 1...Seg6
        • 2.Qxg5#
      • 1...Sd7
        • 2.Qxg5#
      • 1...Sef7
        • 2.Qf5#
      • 1...e3
        • 2.Qxe3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 8
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(E);N_PINS(f)
      • Threat
        • QAB1(E),XP(g)
      • Vars
        • R(h);N_GUARD::QAR2(E),XR(h)
        • R(h);N_GUARD::QAR2(E)
        • S(f);OGATE::QAR1(E),XP(c)
        • S(f);S_CUTR(h)::QAR2(E)
        • S(i);S_CUTR(h)::QAR2(E)
      • Refutation
        • R(h);
  • Actual
    • Q(E);N_PINS(f)
    • Threat
      • QAB1(E)
    • Vars
      • S(f);OGATE::QAB1(E),XP(g)
      • S(f);SBLOCK::S(C)
      • S(f);OGATE::QAR1(E)
      • P(c);::QAB1(E),XP(c)
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