MESON Chess Problem Database

Problem Display
PID: 92148 (2bn4/3n3R/2p1P1N1/2Pk2p1/1pR3B1/1P2B1N1/8/5K2 w - - 0 1)

Wielgos, Oskar

Deutsche Schachblatter, 1986

2bn4/3n3R/2p1P1N1/2Pk2p1/1pR3B1/1P2B1N1/8/5K2

#2

10 + 7

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Ba6
      • 2.Rxd7#
    • 1...Bb7
      • 2.Rxd7#
    • 1...Sxc5
      • 2.Rd4#
    • 1...Se5
      • 2.Se7#
    • 1...Sxe6
      • 2.Bf3#
  • Tries
    • 1.Se4?
      • threat
        • 2.Rd4#
      • 1...Ba6
        • 2.Rxd7#
      • 1...Sxe6!
    • 1.Re4?
      • threat
        • 2.Se7#
      • 1...Sxc5
        • 2.Rd4#
      • 1...Ba6+!
  • Keys
    • 1.Rh2!
      • threat
        • 2.Rd2#
      • 1...Sxc5
        • 2.Rd4#
      • 1...Sxe6
        • 2.Bf3#
      • 1...Se5
        • 2.Se7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 2
  • Sets
    • B(f);N_GUARD,P_PINR(E)::R(J),XS(e)
    • B(f);N_GUARD::R(J),XS(e)
    • S(e);SBLOCK,XP(G)::R1(E)
    • S(e);SBLOCK::S(I)
    • S(g);SBLOCK,XP(H)::B(F)
  • Tries
    • Try
      • S(D);
      • Threat
        • R1(E)
      • Vars
        • B(f);N_GUARD,P_PINR(E)::R(J),XS(e)
      • Refutation
        • S(g);XP(H)
    • Try
      • R(E);
      • Threat
        • S(I)
      • Vars
        • S(e);SBLOCK,XP(G)::R1(E)
      • Refutation
        • B(f);CHECK
  • Actual
    • R(J);
    • Threat
      • R(J)
    • Vars
      • S(e);SBLOCK,XP(G)::R1(E)
      • S(g);SBLOCK,XP(H)::B(F)
      • S(e);SBLOCK::S(I)
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).