MESON Chess Problem Database

Problem Display
PID: 181081 (Q7/5Prb/2R1B2q/3N2p1/1P2kp2/1P2pN2/2K4p/8 w - - 0 1)

Zelinka, J

Narodni listy, 1904

Q7/5Prb/2R1B2q/3N2p1/1P2kp2/1P2pN2/2K4p/8

#2

9 + 8

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Tries
    • 1.Sf6+?
      • 1...Qxf6
        • 2.Rc3#
        • 2.Rc4#
        • 2.Rc5#
        • 2.Ra6#
        • 2.Rb6#
        • 2.Rd6#
        • 2.Rc7#
        • 2.Rc8#
      • 1...Kxf3+!
    • 1.Se7?
      • threat
        • 2.Bd5#
        • 2.Rc3#
        • 2.Rc4#
        • 2.Rc5#
        • 2.Ra6#
        • 2.Rb6#
        • 2.Rd6#
        • 2.Rc7#
        • 2.Rc8#
      • 1...Qxe6
        • 2.Rc4#
        • 2.Rxe6#
      • 1...e2
        • 2.Rc3#
      • 1...Rg8
        • 2.Bd5#
        • 2.Rc4#
        • 2.Rc8#
      • 1...Kxf3+!
  • Keys
    • 1.Bg4!
      • threat
        • 2.Sc3#
        • 2.Rc4#
      • 1...Kxd5+
        • 2.Rg6#
      • 1...Qxc6+
        • 2.Sc3#
      • 1...Qf6
        • 2.Sxf6#
      • 1...e2
        • 2.Rc4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(E);CHECK
      • Refutation
        • K(c);CHECK,S_FLIGHT,XS(C)
    • Try
      • S(E);
      • Threat
        • DUALS(9)
      • Vars
        • P(b);::QAB(I)+R(F)
      • Refutation
        • K(c);CHECK,S_FLIGHT,XS(C)
  • Actual
    • B(G);
    • Threat
      • DUALS(2)
    • Vars
      • K(c);CHECK,OGATEB,S_FLIGHT,XS(E)::QAB(I)+R(F)
      • Q(f);CHECK,XR(F)::S(E)
      • Q(f);N_GUARD::S(E),XQ(f)
      • P(b);::R(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).