MESON Chess Problem Database

Problem Display
PID: 135449 (1B6/4K1Q1/B1p1p3/1N1kPp1R/2p1N2R/1n6/8/1n6 w - - 0 1)

Pilchenko, Viacheslav Karlovich

3rd Prize, Sachsische Zeitung, 2003

1B6/4K1Q1/B1p1p3/1N1kPp1R/2p1N2R/1n6/8/1n6

#2

9 + 7

23 Die Schwalbe 2009
15174 FIDE Album (2001-2003) 2011

SOLUTION

  • SOUND
  • Sets
    • 1...Sd4
      • 2.Sc7#
    • 1...Sc5
      • 2.Sf6#
    • 1...c5
      • 2.Bb7#
  • Tries
    • 1.Ba7?
      • threat
        • 2.Sc7#
      • 1...cxb5
        • 2.Bb7#
      • 1...f4
        • 2.Sf6#
      • 1...c5
        • 2.Bb7#
      • 1...Sc5!
  • Keys
    • 1.Qg1!
      • threat
        • 2.Sf6#
      • 1...fxe4
        • 2.Sc7#
      • 1...cxb5
        • 2.Bb7#
      • 1...c5
        • 2.Bb7#
      • 1...Sd4
        • 2.Qxd4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 2
    • REMOVED MATES = 1
  • Sets
    • S(b);SBLOCK::S(C)
    • S(b);SBLOCK::S(A)
    • P(f);OGATEB::B(F)
  • Tries
    • Try
      • B(I);
      • Threat
        • S(C)
      • Vars
        • P(f);OGATEB,XS(C)::B(F)
        • P(e);::S(A)
        • P(f);OGATEB::B(F)
      • Refutation
        • S(b);
  • Actual
    • Q(H);
    • Threat
      • S(A)
    • Vars
      • P(e);XS(A)::S(C)
      • P(f);OGATEB,XS(C)::B(F)
      • P(f);OGATEB::B(F)
      • S(b);N_GUARD::QAR1(H),XS(b)
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