MESON Chess Problem Database

Problem Display
PID: 11134 (8/8/2R3B1/8/8/N7/rpq5/n1k1K2R w K - 0 1)

Easter, Norris

Tijdschrift vd KNSB, 1936

8/8/2R3B1/8/8/N7/rpq5/n1k1K2R

#2

5 + 5

SOLUTION

  • SOUND
  • Sets
    • 1...Qc3+
      • 2.Ke2#
    • 1...Qc5
      • 2.Ke2#
    • 1...Sb3
      • 2.Rxc2#
  • Keys
    • 1.Sb1!
      • threat
        • 2.0-0#
      • 1...Qc3+
        • 2.Ke2#
        • 2.Kf2#
      • 1...Kxb1
        • 2.0-0#
      • 1...Qc4
        • 2.Kf2#
      • 1...Qc5
        • 2.Ke2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 2
  • Sets
    • Q(e);CHECK::R(B)+K(A)
    • Q(e);::R(B)+K(A)
    • S(a);N_GUARD::R1(D),XQ(e)
  • Actual
    • S(C);
    • Threat
      • 0-0
    • Vars
      • K(b);P-FLIGHT,XS(C)::0-0
      • Q(e);::R(B)+K(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).