MESON Chess Problem Database

Problem Display
PID: 187607 (r7/4np2/B4p2/3R4/3Pk2P/1QP4K/1p1b2N1/8 w - - 0 1)

Klir, Antonin

Sport a hry, 1909

r7/4np2/B4p2/3R4/3Pk2P/1QP4K/1p1b2N1/8

#2

8 + 7

6490 yacpdb 2019

SOLUTION

  • SOUND
  • Keys
    • 1.Rf5!
      • threat
        • 2.Qc2#
      • 1...Kxf5
        • 2.Bd3#
      • 1...Bxc3
        • 2.Rf4#
      • 1...Sxf5
        • 2.Qb7#
      • 1...Bf4
        • 2.Rxf4#
      • 1...b1Q
        • 2.Qxb1#
      • 1...b1B
        • 2.Qxb1#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
  • Actual
    • R(G);
    • Threat
      • QAB(B)
    • Vars
      • K(c);S_FLIGHT,XR(G)::B(H)
      • B(b);N_GUARD,XP(C)::R1(G)
      • S(e);N_GUARD,SBLOCK,XR(G)::QAB(B)
      • B(b);N_GUARD::R1(G),XB(b)
      • P(a);OGATE::QAB(B),XQ(a)
      • P(a);OGATE::QAB(B),XB(a)
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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).