MESON Chess Problem Database

Problem Display
PID: 92119 (4K3/4p2p/PpR5/1N1k1N1r/3B2P1/3p2P1/1R6/3B3b w - - 0 1)

Wielgos, Oskar

Schach, 1982

4K3/4p2p/PpR5/1N1k1N1r/3B2P1/3p2P1/1R6/3B3b

#2

10 + 7

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Ke4
      • 2.Sc3#
    • 1...Kxc6
      • 2.Sxe7#
    • 1...Bf3
      • 2.Bxf3#
    • 1...Be4
      • 2.Sxe7#
  • Tries
    • 1.Kd7?
      • threat
        • 2.Sc3#
      • 1...Ke4
        • 2.Sc3#
      • 1...Rxf5!
    • 1.Sc7+?
      • 1...Ke4
        • 2.Re6#
      • 1...Kxc6!
    • 1.Rc5+?
      • 1...Ke4
        • 2.Sc3#
        • 2.Re5#
      • 1...Ke6
        • 2.Sc7#
        • 2.Sg7#
      • 1...bxc5!
    • 1.Rd6+?
      • 1...Kc4
        • 2.Sa3#
        • 2.Se3#
      • 1...Ke4
        • 2.Sc3#
      • 1...exd6!
  • Keys
    • 1.Re6!
      • threat
        • 2.Bb3#
      • 1...Kc4
        • 2.Se3#
      • 1...Kxe6
        • 2.Sc7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 4
  • Sets
    • K(c);S_FLIGHT::S(F)
    • K(c);S_FLIGHT,XR(I)::S(G),XP(f)
    • B(a);N_GUARD::B(A),XB(a)
    • B(a);SBLOCK::S(G),XP(f)
  • Tries
    • Try
      • K(J);S_FLIGHT
      • Threat
        • S(F)
      • Vars
        • K(c);S_FLIGHT::S(F)
      • Refutation
        • R(d);XS(G)
    • Try
      • S(F);CHECK
      • Vars
        • K(c);S_FLIGHT::R(I)
      • Refutation
        • K(c);S_FLIGHT,XR(I)
    • Try
      • R(I);CHECK
      • Refutation
        • P(e);XR(I)
    • Try
      • R(I);CHECK
      • Vars
        • K(c);S_FLIGHT::S(F)
      • Refutation
        • P(f);XR(I)
  • Actual
    • R(I);
    • Threat
      • B(A)
    • Vars
      • K(c);S_FLIGHT::S(G)
      • K(c);S_FLIGHT,XR(I)::S(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).