MESON Chess Problem Database

Problem Display
PID: 10811 (2RN3n/5p2/2Pk1Bp1/1p1nN1p1/1p2B1P1/1p4P1/1P1P4/1K1R2Q1 w - - 0 1)

Froberg, Johan Hilding Laurentius

1st Prize, Stella Polaris, 1968

2RN3n/5p2/2Pk1Bp1/1p1nN1p1/1p2B1P1/1p4P1/1P1P4/1K1R2Q1

#2

13 + 9

SOLUTION

  • SOUND
  • Sets
    • 1...Sc3+
      • 2.dxc3#
  • Keys
    • 1.Sd7!
      • threat
        • 2.Qc5#
      • 1...Sc3+
        • 2.dxc3#
      • 1...Se3
        • 2.dxe3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • S(d);CHECK,OGATE::R(B)+P(E),XS(d)
  • Actual
    • S(I);
    • Threat
      • QAB1(C)
    • Vars
      • S(d);CHECK,OGATE::R(B)+P(E),XS(d)
      • S(d);OGATE::R(B)+P(E),XS(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).