MESON Chess Problem Database

Problem Display
PID: 117118 (2N5/1r1p1B1K/2PPP3/r2k1NQ1/2p5/1nP2p2/8/8 w - - 0 1)

Kubbel, Leonid Ivanovich (AKA Kubbel, Karl Artur Leonid)

Leipziger Tageblatt, 1924

2N5/1r1p1B1K/2PPP3/r2k1NQ1/2p5/1nP2p2/8/8

#2

9 + 7

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Kc5
      • 2.Sd4#
      • 2.Sfe7#
    • 1...Ke5
      • 2.Sg3#
    • 1...Kxc6
      • 2.Sfe7#
    • 1...dxc6
      • 2.Sg3#
  • Keys
    • 1.Bg6!
      • threat
        • 2.Sd4#
      • 1...dxc6+
        • 2.Sg7#
      • 1...dxe6+
        • 2.Sfe7#
      • 1...Ke4
        • 2.Sg3#
      • 1...Kc5
        • 2.Sd4#
        • 2.Sfe7#
      • 1...Ke5
        • 2.Sd4#
        • 2.Sg7#
      • 1...Kxc6
        • 2.Sfe7#
      • 1...Kxe6
        • 2.Sg7#
      • 1...Sd4
        • 2.Sxd4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 4
    • REMOVED MATES = 1
  • Sets
    • K(e);P-FLIGHT::QAR(C)+S(B)
    • K(e);S_FLIGHT,XP(D)::S(B)
    • P(g);P_PINB(G),SBLOCK,XP(D)::QAR(C)+S(B)
  • Actual
    • B(G);
    • Threat
      • QAR(C)+S(B)
    • Vars
      • P(g);CHECK,SBLOCK,XP(D)::QAR(C)+S(B)
      • P(g);CHECK,SBLOCK,XP(F)::QAR(C)+S(B),DCHECK
      • K(e);S_FLIGHT::B(G)+S(B),DCHECK
      • K(e);S_FLIGHT,XP(D)::S(B)
      • K(e);S_FLIGHT,XP(F)::S(B)
      • S(a);::QAR(C)+S(B),XS(a)
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).