MESON Chess Problem Database

Problem Display
PID: 277324 (5b2/3KnR2/p1p3p1/2B1k1P1/rn3N2/1P1p1P2/p1pP2B1/8 w - - 0 1)

Andersson, Sven Tore

3rd HM., To Mat, 1964

5b2/3KnR2/p1p3p1/2B1k1P1/rn3N2/1P1p1P2/p1pP2B1/8

#2

9 + 11

15601 Albrecht-Leiss-Degener Collection 2024

SOLUTION

  • SOUND
  • Sets
    • 1...Sbd5
      • 2.Sxd3#
    • 1...Sed5
      • 2.Sxg6#
  • Tries
    • 1.Se2?
      • threat
        • 2.f4#
      • 1...Sbd5
        • 2.Bd6#
      • 1...Sed5
        • 2.Bd4#
      • 1...Kd5!
    • 1.Sxd3+?
      • 1...Kd5
        • 2.f4#
      • 1...Sxd3!
  • Keys
    • 1.Se6!
      • threat
        • 2.f4#
      • 1...Kd5
        • 2.f4#
      • 1...Sbd5
        • 2.Bd6#
      • 1...Sed5
        • 2.Bd4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 2
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • S(e);N_GUARD,SBLOCK::S(E),XP(c)
    • S(j);N_GUARD,SBLOCK::S(E),XP(i)
  • Tries
    • Try
      • S(E);
      • Threat
        • P(D)
      • Vars
        • S(e);SBLOCK::B(F)
        • S(j);SBLOCK::B(F)
      • Refutation
        • K(f);P-FLIGHT
    • Try
      • S(E);CHECK,XP(c)
      • Vars
        • K(f);P-FLIGHT::B(B)+P(D)
      • Refutation
        • S(e);XS(E)
  • Actual
    • S(E);
    • Threat
      • P(D)
    • Vars
      • K(f);P-FLIGHT::B(B)+P(D)
      • S(e);SBLOCK::B(F)
      • S(j);SBLOCK::B(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).