MESON Chess Problem Database

Problem Display
PID: 225554 (6K1/2p3p1/2R5/2PBnp2/3RPk1P/rb5P/5B2/7Q w - - 0 1)

Kondratiev, Pavel P

Praca, 1992

6K1/2p3p1/2R5/2PBnp2/3RPk1P/rb5P/5B2/7Q

#2

10 + 7

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Bxd5+
      • 2.exd5#
    • 1...fxe4
      • 2.Qxe4#
  • Keys
    • 1.exf5+!
      • 1...Kxf5
        • 2.Qe4#

FEATURES

  • Static
    • TYPE = CHECKING_KEY
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 2
  • Sets
    • B(b);CHECK,OGATE,XB(H)::R(D)+P(E),XB(b)
    • P(e);OGATE,P_SPINP(e),XP(E)::QAR1(A),XP(e)
  • Actual
    • P(E);CHECK,XP(e)
    • Vars
      • K(c);P-FLIGHT,XP(E)::QAB1(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).