MESON Chess Problem Database

Problem Display
PID: 67163 (8/2p4Q/1p1k2K1/NR6/Bn1bpN2/8/8/8 w - - 0 1)

Golubenko, Vladimir Aleksandrovich

3rd HM., Probleemblad, 2003

8/2p4Q/1p1k2K1/NR6/Bn1bpN2/8/8/8

#2

6 + 6

102 Probleemblad 2007
3713 Snap 2016

SOLUTION

  • SOUND
  • Sets
    • 1...Sa2
      • 2.Rd5#
    • 1...Sc2
      • 2.Rd5#
    • 1...Sd3
      • 2.Rd5#
    • 1...Sd5
      • 2.Rxd5#
    • 1...Sa6
      • 2.Rd5#
    • 1...Sc6
      • 2.Sc4#
      • 2.Sb7#
      • 2.Rd5#
    • 1...c6
      • 2.Sc4#
      • 2.Sb7#
  • Tries
    • 1.Rc5?
      • threat
        • 2.Sb7#
        • 2.Qxc7#
      • 1...Kxc5
        • 2.Qe7#
      • 1...Bxc5
        • 2.Sc4#
      • 1...bxa5
        • 2.Qxc7#
      • 1...bxc5
        • 2.Sc4#
      • 1...Sd5
        • 2.Rxd5#
      • 1...Sa6
        • 2.Sb7#
        • 2.Rd5#
      • 1...Sc6
        • 2.Sb7#
        • 2.Rd5#
      • 1...c6
        • 2.Sb7#
      • 1...Bg7!
    • 1.Qf7?
      • threat
        • 2.Qe6#
      • 1...c6
        • 2.Sc4#
        • 2.Sb7#
      • 1...c5!
  • Keys
    • 1.Re5!
      • threat
        • 2.Sc4#
        • 2.Qe7#
      • 1...Kxe5
        • 2.Qxc7#
      • 1...Bxe5
        • 2.Sb7#
      • 1...bxa5
        • 2.Qe7#
      • 1...Sd5
        • 2.Rxd5#
      • 1...Sc6
        • 2.Sc4#
        • 2.Rd5#
      • 1...b5
        • 2.Qe7#

Anticipated by 159223(2002)

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 4
  • Sets
    • S(a);N_GUARD::R1(D)
    • S(a);N_GUARD::R1(D),XS(a)
  • Tries
    • Try
      • R(D);
      • Threat
        • DUALS(2)
      • Vars
        • K(e);S_FLIGHT,XR(D)::QAB(F)
        • B(b);SBLOCK,XR(D)::S(C)
        • P(d);XS(C)::QAB1(F),XP(f)
        • P(d);SBLOCK,XR(D)::S(C)
        • S(a);N_GUARD::R1(D),XS(a)
        • P(f);::S(C)
      • Refutation
        • B(b);
    • Try
      • Q(F);
      • Threat
        • QAR1(F)
      • Refutation
        • P(f);
  • Actual
    • R(D);
    • Threat
      • DUALS(2)
    • Vars
      • K(e);S_FLIGHT,XR(D)::QAB(F),XP(f)
      • B(b);SBLOCK,XR(D)::S(C)
      • P(d);XS(C)::QAB1(F)
      • S(a);N_GUARD::R1(D),XS(a)
      • P(d);::QAB1(F)
HTML5 logo

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).