MESON Chess Problem Database

Problem Display
PID: 201462 (1Nk1n3/2P1P3/P1R1bPr1/8/8/1RpB1r1p/3p1p2/3N1Kn1 w - - 0 1)

Moller, Herbert

L'Alfiere di Re, 1922

1Nk1n3/2P1P3/P1R1bPr1/8/8/1RpB1r1p/3p1p2/3N1Kn1

#2

10 + 10

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Sxc7
      • 2.e8Q#
      • 2.e8R#
  • Keys
    • 1.Sd7!
      • threat
        • 2.Sb6#
      • 1...Kxd7
        • 2.c8Q#
      • 1...Bxd7
        • 2.Rb8#
      • 1...Sxc7
        • 2.e8Q#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • S(j);OGATE,P_SPINS(j),XP(H)::P=Q
  • Actual
    • S(J);
    • Threat
      • S(J)
    • Vars
      • K(i);OGATE,S_FLIGHT,XS(J)::P=Q
      • B(g);SBLOCK,XS(J)::R1(C)
      • S(j);OGATE,P_SPINS(j),XP(H)::P=Q
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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).