MESON Chess Problem Database

Problem Display
PID: 201362 (1b5B/np6/3p2p1/Pn6/rP1NpP1P/Rp2PrP1/BPb1PN2/k3K2R w - - 0 1)

Adamson, Henry Anthony

L'Alfiere di Re, 1922

1b5B/np6/3p2p1/Pn6/rP1NpP1P/Rp2PrP1/BPb1PN2/k3K2R

#2

15 + 12

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Bb1
      • 2.Sxb3#
    • 1...Bd3
      • 2.Sxb3#
  • Keys
    • 1.Kd2+!
      • 1...Kxb2
        • 2.Sxb5#
      • 1...Bb1
        • 2.Sxb3#
        • 2.Rxb1#
      • 1...Bd1
        • 2.Sxb3#

FEATURES

  • Static
    • TYPE = CHECKING_KEY
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 2
  • Sets
    • B(b);N_GUARD::S(K),XP(c)
  • Actual
    • K(A);CHECK,S_FLIGHT
    • Vars
      • K(a);S_FLIGHT,XP(D)::B(O)+S(K),XS(g)
      • B(b);P_SPINB(b)::S(K),XP(c)
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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).