MESON Chess Problem Database

Problem Display
PID: 35809 (2B5/7K/1N6/2P2P2/4kP2/1P5R/3nN3/1nBR4 w - - 0 1)

Bernard, Edmond

Comm., diagrammes, 1976

2B5/7K/1N6/2P2P2/4kP2/1P5R/3nN3/1nBR4

#2

11 + 3

3690 Kunstschach in der Schweiz 1980

SOLUTION

  • SOUND
  • Sets
    • 1...Sf1
      • 2.Rd4#
    • 1...Sxb3
      • 2.Re3#
    • 1...Sf3
      • 2.Sg3#
    • 1...Sc4
      • 2.Rd4#
  • Tries
    • 1.Sd7?
      • threat
        • 2.Sf6#
      • 1...Kd5
        • 2.Bb7#
      • 1...Kxf5!
  • Keys
    • 1.Sa4!
      • 1...Kd5
        • 2.Bb7#
      • 1...Sxb3
        • 2.Re3#
      • 1...Sc3
        • 2.Saxc3#
      • 1...Sa3
        • 2.Sac3#
      • 1...Sf1
        • 2.Rd4#
      • 1...Sf3
        • 2.Sg3#
      • 1...Sc4
        • 2.Rd4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • S(b);OGATE::R1(B)
    • S(b);XP(D)::R1(E)
    • S(b);SBLOCK::S(C)
  • Tries
    • Try
      • S(I);
      • Threat
        • S(I)
      • Vars
        • K(c);P_SPINS(b),S_FLIGHT::B(K)
      • Refutation
        • K(c);S_FLIGHT,XP(H)
  • Actual
    • S(I);
    • Vars
      • K(c);P_SPINS(b),S_FLIGHT::B(K)
      • S(b);XP(D)::R1(E)
      • S(a);N_GUARD::S(I),XS(a)
      • S(a);N_GUARD::S(I)
      • S(b);OGATE::R1(B)
      • S(b);SBLOCK::S(C)
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).