MESON Chess Problem Database

Problem Display
PID: 270429 (1b6/n1p5/1RP2P2/NpkN3R/4pQ2/n7/2p3bK/8 w - - 0 1)

Holroyd, GC

Sunday Referee, 1931

(First published on Sun Nov 8 1931)

1b6/n1p5/1RP2P2/NpkN3R/4pQ2/n7/2p3bK/8

#2

8 + 9

15239 Valois Notebooks 2023

SOLUTION

  • SOUND
  • Sets
    • 1...Kd4
      • 2.Qe3#
    • 1...Sc4
      • 2.Sb3#
    • 1...e3
      • 2.Sb3#
      • 2.Sb7#
      • 2.Qb4#
  • Keys
    • 1.Qd2!
      • threat
        • 2.Qb4#
      • 1...cxb6+
        • 2.Sc7#
      • 1...Kd6
        • 2.Sf4#
      • 1...Sxc6
        • 2.Rxc6#
      • 1...Sc4
        • 2.Sb7#
      • 1...b4
        • 2.Qxb4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 4
    • REMOVED MATES = 1
  • Sets
    • K(f);N_GUARD,P_SPINP(d),S_FLIGHT::QAB1(B)
    • S(c);SBLOCK::S(C)
  • Actual
    • Q(B);
    • Threat
      • QAB1(B)
    • Vars
      • P(h);CHECK,SBLOCK,XR(F)::R(E)+S(D)
      • K(f);N_GUARD,S_FLIGHT::QAR(B)+S(D)
      • S(g);OGATE,XP(G)::R1(F),XS(g)
      • S(c);SBLOCK::S(C)
      • P(e);::QAB1(B),XP(e)
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).