MESON Chess Problem Database

Problem Display
PID: 239710 (Rn2b1BK/N1Qnk3/8/4N3/8/q5B1/8/8 w - - 0 1)

Szoghy, Jozsef

Magyar Sakkelet, 1960

Rn2b1BK/N1Qnk3/8/4N3/8/q5B1/8/8

#2

7 + 5

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Keys
    • 1.Qd8+!
      • 1...Kd6
        • 2.Sd3#
      • 1...Kxd8
        • 2.Sec6#
      • 1...Kf8
        • 2.Sg6#

FEATURES

  • Static
    • TYPE = CHECKING_KEY
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Actual
    • Q(D);CHECK,N_PINS(b)
    • Vars
      • K(c);P_SPINS(b),S_FLIGHT::B(A)+S(B)
      • K(c);P_SPINS(d),S_FLIGHT,XQ(D)::S(B)
      • K(c);P_SPINB(e),S_FLIGHT::S(B)
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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).