MESON Chess Problem Database

Problem Display
PID: 259292 (1rb1Bb2/1p4p1/3P1p2/RN3k2/1pPK3p/3N1P2/8/2B1R3 w - - 0 1)

Kummer, Konrad

Schweizerische Arbeiter Schachzeitung, 1941

1rb1Bb2/1p4p1/3P1p2/RN3k2/1pPK3p/3N1P2/8/2B1R3

#2

10 + 9

6490 yacpdb 2022

SOLUTION

  • SOUND
  • Sets
    • 1...Bxd6
      • 2.Sxd6#
  • Tries
    • 1.Kc5?
      • threat
        • 2.Sd4#
      • 1...Bxd6+
        • 2.Sxd6#
      • 1...b6+!
    • 1.d7?
      • threat
        • 2.Sd6#
      • 1...Bd6
        • 2.Sxd6#
      • 1...Bc5+!
  • Keys
    • 1.Ke3!
      • threat
        • 2.Sd4#
      • 1...Kg5
        • 2.Ke4#
      • 1...Ke6
        • 2.Kf4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 1
  • Sets
    • B(i);XP(I)::R(G)+S(H),DCHECK,XB(i)
  • Tries
    • Try
      • K(F);P_SPINP(I),S_FLIGHT
      • Threat
        • S(H)
      • Vars
        • B(i);CHECK,XP(I)::S(H),XB(i)
      • Refutation
        • P(e);CHECK
    • Try
      • P(I);
      • Threat
        • R(G)+S(H),DCHECK
      • Vars
        • B(i);::R(G)+S(H),DCHECK,XB(i)
      • Refutation
        • B(i);CHECK
  • Actual
    • K(F);S_FLIGHT
    • Threat
      • R(G)+S(H),DCHECK
    • Vars
      • K(c);P-FLIGHT::B(A)+K(F)
      • K(c);S_FLIGHT::R(B)+K(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).