MESON Chess Problem Database

Problem Display
PID: 104309 (2Bn1r2/8/1N1pq1p1/4kbP1/8/6K1/Q1p2R1R/6B1 w - - 0 1)

Charlick, Henry Walter

Melbourne Leader, 1870

2Bn1r2/8/1N1pq1p1/4kbP1/8/6K1/Q1p2R1R/6B1

#2

8 + 8

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Qd5
      • 2.Qxd5#
    • 1...Qd7
      • 2.Qd5#
    • 1...Qxc8
      • 2.Qd5#
    • 1...Qf6
      • 2.Qd5#
    • 1...Qe7
      • 2.Qd5#
    • 1...Qe8
      • 2.Qd5#
    • 1...Be4
      • 2.Qa1#
      • 2.Qb2#
  • Keys
    • 1.Rxf5+!
      • 1...Ke4
        • 2.Qxc2#
      • 1...Kxf5
        • 2.Qd5#
      • 1...Qxf5
        • 2.Qd5#
      • 1...Rxf5
        • 2.Re2#
      • 1...gxf5
        • 2.Re2#

FEATURES

  • Static
    • TYPE = CHECKING_KEY
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 6
  • Sets
    • Q(e);N_GUARD::QAR1(B),XQ(e)
    • Q(e);N_GUARD::QAR1(B)
    • Q(e);N_GUARD,XB(H)::QAR1(B)
  • Actual
    • R(C);CHECK,XB(c)
    • Vars
      • K(b);P-FLIGHT::QAB(B),XP(a)
      • K(b);P-FLIGHT,P_SPINQ(e),XR(C)::QAR2(B)
      • Q(e);XR(C)::QAR1(B)
      • R(h);SBLOCK,XR(C)::R(D)
      • P(f);SBLOCK,XR(C)::R(D)
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).