MESON Chess Problem Database

Problem Display
PID: 77035 (8/1PK2p2/4NPbp/R1QBBk2/2p1N2q/5n1P/2Ppn3/2b3R1 w - - 0 1)

Dyachuk, Vasyl Vasilovich

1st Prize, All-Union-80 JT, 2006

8/1PK2p2/4NPbp/R1QBBk2/2p1N2q/5n1P/2Ppn3/2b3R1

#2

12 + 10

56 The Problemist 2007
273 Mat Plus 2008
145 StrateGems 2008
23 Die Schwalbe 2009
6004 Henk Hagedoorn Solving Ty. 2009
145 StrateGems 2009
15323 FIDE Album (2004-2006) 2013

SOLUTION

  • SOUND
  • Tries
    • 1.Bc6?
      • threat
        • 2.Sg7#
      • 1...Kxe6
        • 2.Bd7#
      • 1...Sxe5
        • 2.Qxe5#
      • 1...fxe6
        • 2.Sd6#
      • 1...Qxf6!
    • 1.Qe3?
      • threat
        • 2.Sd6#
      • 1...Kxe5
        • 2.Bxc4#
      • 1...Qxe4
        • 2.Qxe4#
      • 1...Sxe5
        • 2.Sg7#
      • 1...Ba3!
  • Keys
    • 1.Qe7!
      • threat
        • 2.Sg7#
      • 1...Kxe5
        • 2.Bc6#
      • 1...Qxf6
        • 2.Qxf6#
      • 1...Sxe5
        • 2.Sd6#
      • 1...fxe6
        • 2.Qxe6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(G);
      • Threat
        • S(I)
      • Vars
        • K(g);OGATEB,S_FLIGHT,XS(I)::B(G)
        • S(d);OGATE,P_SPINS(d),XB(H)::QAR1(F),XS(d)
        • P(j);SBLOCK,XS(I)::S(D)
      • Refutation
        • Q(f);XP(J)
    • Try
      • Q(F);
      • Threat
        • S(D)
      • Vars
        • K(g);OGATEB,P-FLIGHT,XB(H)::R(E)+B(G),XP(e)
        • Q(f);OGATE,XS(D)::QAB1(F),XQ(f)
        • S(d);SBLOCK,XB(H)::S(I)
      • Refutation
        • B(a);
  • Actual
    • Q(F);
    • Threat
      • S(I)
    • Vars
      • K(g);OGATEB,P-FLIGHT,XB(H)::R(E)+B(G)
      • Q(f);OGATE,XP(J)::QAR1(F),XQ(f)
      • S(d);SBLOCK,XB(H)::S(D)
      • P(j);OGATE,XS(I)::QAB1(F),XP(j)
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Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) & CSS/Javascript (jQuery, Bootstrap & DataTables).