MESON Chess Problem Database

Problem Display
PID: 222569 (8/4Q3/B3R3/2rp4/2rk1K2/2p5/8/1b3N2 w - - 0 1)

Marcania, U

New Orleans Times-Democrat, 1883

8/4Q3/B3R3/2rp4/2rk1K2/2p5/8/1b3N2

#2

5 + 6

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Ra4
      • 2.Qf6#
      • 2.Qg7#
    • 1...Rb4
      • 2.Qf6#
      • 2.Qg7#
    • 1...Bd3
      • 2.Qf6#
      • 2.Qg7#
  • Keys
    • 1.Rd6!
      • threat
        • 2.Qe3#
      • 1...Kd3+
        • 2.Qe4#
      • 1...Be4
        • 2.Qxe4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Actual
    • R(D);P_PINP(f)
    • Threat
      • QAB1(E)
    • Vars
      • K(d);CHECK,P-FLIGHT,P_SPINR(c)::QAB1(E)
      • B(a);N_GUARD::QAR1(E),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).