MESON Chess Problem Database

Problem Display
PID: 46307 (Q7/2p1N1n1/2Pp4/3P1P2/1K2k3/1p2P3/2bPPR1B/5N2 w - - 0 1)

Chepizhni, Viktor Ivanovich

1st Prize, Die Schwalbe, 2002

Q7/2p1N1n1/2Pp4/3P1P2/1K2k3/1p2P3/2bPPR1B/5N2

#2

12 + 6

23 Die Schwalbe 2004
56 The Problemist 2005
5085 The Macedonian Problemist 2007
6167 Viktor Chepizhny 2007
15174 FIDE Album (2001-2003) 2011

SOLUTION

  • SOUND
  • Sets
    • 1...Bd1
      • 2.d3#
  • Tries
    • 1.Qa1?
      • threat
        • 2.Sg3#
        • 2.Rf4#
        • 2.Qd4#
      • 1...Sxf5
        • 2.Rf4#
      • 1...Sh5
        • 2.Qd4#
      • 1...Se6
        • 2.Sg3#
      • 1...b2!
  • Keys
    • 1.Qh8!
      • threat
        • 2.Qh4#
      • 1...Sxf5
        • 2.Rf4#
      • 1...Sh5
        • 2.Qd4#
      • 1...Se6
        • 2.Sg3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 1
  • Sets
    • B(a);N_GUARD::P(B)
  • Tries
    • Try
      • Q(L);
      • Threat
        • DUALS(3)
      • Vars
        • S(f);XP(I)::R1(D)
        • S(f);::QAR1(L)
        • S(f);::S(A)
      • Refutation
        • P(b);
  • Actual
    • Q(L);
    • Threat
      • QAR(L)
    • Vars
      • S(f);XP(I)::R1(D)
      • S(f);OGATE::QAR1(L)
      • S(f);::S(A)
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