MESON Chess Problem Database

Problem Display
PID: 101388 (K7/1Qpp3n/6B1/8/5Nkp/4P3/4P1b1/5nRN w - - 0 1)

Sparke, Arthur M

Good Companions, 1919

K7/1Qpp3n/6B1/8/5Nkp/4P3/4P1b1/5nRN

#2

8 + 7

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Sd2
      • 2.Rxg2#
      • 2.Qxg2#
    • 1...Sh2
      • 2.Rxg2#
      • 2.Qxg2#
  • Tries
    • 1.Sf2+?
      • 1...Kg3
        • 2.Rxg2#
        • 2.Qxg2#
      • 1...Kg5!
  • Keys
    • 1.Sh3!
      • threat
        • 2.Qf3#
      • 1...Kxh3
        • 2.Qxg2#
      • 1...Sd2
        • 2.Qxg2#
      • 1...Sh2
        • 2.Qxg2#
      • 1...Sg3
        • 2.S1f2#
      • 1...Sg5
        • 2.S3f2#
      • 1...c6
        • 2.Qxd7#
      • 1...d5
        • 2.Qc8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(B);CHECK
      • Refutation
        • K(c);P-FLIGHT
  • Actual
    • S(E);
    • Threat
      • QAB1(G)
    • Vars
      • K(c);N_SPINB(b),S_FLIGHT,XS(E)::QAB1(G),XB(b)
      • S(a);N_GUARD::QAR2(G),XB(b)
      • S(a);N_SPINB(b),SBLOCK::S(B)
      • S(g);SBLOCK::S(E)
      • P(e);N_PINQ(G)::QAB(G),XP(f)
      • P(f);N_PINQ(G)::QAB(G)
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).