MESON Chess Problem Database

Problem Display
PID: 76301 (4n1Nn/6p1/1NRP4/3Pk3/1P1p1pP1/3p1P2/1K1QP3/3b4 w - - 0 1)

Melnichenko, Viktor Oleksandrovich

Rudenko, Valentin Fedorovich

1st Prize, Springaren, 2003-2004

4n1Nn/6p1/1NRP4/3Pk3/1P1p1pP1/3p1P2/1K1QP3/3b4

#2

11 + 8

145 StrateGems 2007
56 The Problemist 2008
15323 FIDE Album (2004-2006) 2013

SOLUTION

  • SOUND
  • Tries
    • 1.Rc5?
      • threat
        • 2.Sc4#
      • 1...Kxd6
        • 2.Qxf4#
      • 1...Sxd6
        • 2.Sd7#
      • 1...Bb3!
    • 1.e4?
      • threat
        • 2.Sc4#
        • 2.Sd7#
      • 1...Sxd6
        • 2.Sd7#
      • 1...dxe4 ep
        • 2.Qc3#
      • 1...fxe4 ep
        • 2.Qh2#
      • 1...Bb3
        • 2.Sd7#
      • 1...Sf6
        • 2.Sc4#
      • 1...Bxf3!
  • Keys
    • 1.Se7!
      • threat
        • 2.Sd7#
      • 1...Kf6
        • 2.Qxf4#
      • 1...Sf6
        • 2.Sc4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(I);
      • Threat
        • S(H)
      • Vars
        • K(e);S_FLIGHT,XP(J)::QAB(B),XP(d)
        • S(g);SBLOCK,XP(J)::S(H)
      • Refutation
        • B(a);
    • Try
      • P(C);
      • Threat
        • DUALS(2)
      • Vars
        • S(g);XP(J)::S(H)
        • P(c);EP,OGATEB,XP(C)::QAB(B)
        • P(d);EP,OGATEB,XP(C)::QAB(B)
        • B(a);::S(H)
        • S(g);::S(H)
      • Refutation
        • B(a);XP(D)
  • Actual
    • S(K);
    • Threat
      • S(H)
    • Vars
      • K(e);S_FLIGHT::QAR2(B),XP(d)
      • S(g);SBLOCK::S(H)
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