MESON Chess Problem Database

Problem Display
PID: 119879 (8/2n5/6K1/2p1p3/3kP1R1/1Q6/1n6/8 w - - 0 1)

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

Schweizerische Schachzeitung, 1908

8/2n5/6K1/2p1p3/3kP1R1/1Q6/1n6/8

#2

4 + 5

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Keys
    • 1.Rg3!
      • 1...Kxe4
        • 2.Rg4#
      • 1...c4
        • 2.Qe3#
      • 1...Sd1
        • 2.Qd3#
      • 1...Sd3
        • 2.Qxd3#
      • 1...Sa4
        • 2.Qd3#
      • 1...Sc4
        • 2.Qd3#
      • 1...Sb5
        • 2.Qd5#
      • 1...Sd5
        • 2.Qxd5#
      • 1...Sa6
        • 2.Qd5#
      • 1...Se6
        • 2.Qd5#
      • 1...Sa8
        • 2.Qd5#
      • 1...Se8
        • 2.Qd5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 12
    • REMOVED MATES = 0
  • Sets
  • Actual
    • R(C);
    • Vars
      • K(b);OGATEB,P-FLIGHT,XP(B)::R(C)
      • P(c);SBLOCK::QAB1(A)
      • S(a);N_GUARD::QAR1(A)
      • S(a);N_GUARD::QAR1(A),XS(a)
      • S(e);N_GUARD::QAR1(A)
      • S(e);N_GUARD::QAR1(A),XS(e)
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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).