MESON Chess Problem Database

Problem Display
PID: 60215 (2n5/1p6/Rp6/pkN5/N6b/1K6/4R1B1/8 w - - 0 1)

Dyachuk, Vasyl Vasilovich

5th Prize, Chervoni Girnik, 1999

2n5/1p6/Rp6/pkN5/N6b/1K6/4R1B1/8

#2

6 + 6

SOLUTION

  • SOUND
  • Sets
    • 1...Sd6
      • 2.Rxb6#
    • 1...Sa7
      • 2.Rxb6#
    • 1...Se7
      • 2.Rxb6#
  • Tries
    • 1.Bf1?
      • threat
        • 2.Re6#
      • 1...bxc5
        • 2.Re5#
      • 1...Sd6
        • 2.Rxb6#
      • 1...Kc6!
    • 1.Re5?
      • threat
        • 2.Sc3#
      • 1...bxc5
        • 2.Bf1#
      • 1...Be1!
  • Keys
    • 1.Re6!
      • threat
        • 2.Bf1#
      • 1...bxc5
        • 2.Sc3#
      • 1...Sd6
        • 2.Rxb6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 2
  • Sets
    • S(f);N_GUARD::R1(F),XP(d)
  • Tries
    • Try
      • B(B);
      • Threat
        • B(B)+R(A)
      • Vars
        • P(d);XS(E)::B(B)+R(A)
        • S(f);N_GUARD::R1(F),XP(d)
      • Refutation
        • K(c);P_SPINP(d),S_FLIGHT
    • Try
      • R(A);
      • Threat
        • S(D)
      • Vars
        • P(d);P_SPINP(d),XS(E)::B(B)
      • Refutation
        • B(a);
  • Actual
    • R(A);
    • Threat
      • B(B)
    • Vars
      • P(d);SBLOCK,XS(E)::S(D)
      • S(f);N_GUARD::R1(F),XP(d)
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).