MESON Chess Problem Database

Problem Display
PID: 258672 (8/3p4/3R1B2/1q2p3/1p2Np2/3Bkp2/2p3r1/2K2Q2 w - - 0 1)

Pringle, TA

English Mechanic and World of Science, 1904

(First published on Fri Jul 29 1904)

8/3p4/3R1B2/1q2p3/1p2Np2/3Bkp2/2p3r1/2K2Q2

#2

6 + 9

15239 Valois Notebooks 2022

SOLUTION

  • SOUND
  • Sets
    • 1...Qxd3
      • 2.Qxd3#
    • 1...Rf2
      • 2.Qxf2#
    • 1...Rg3
      • 2.Qe1#
      • 2.Qf2#
    • 1...Rg4
      • 2.Qe1#
      • 2.Qf2#
    • 1...Rg5
      • 2.Qe1#
      • 2.Qf2#
    • 1...Rg6
      • 2.Qe1#
      • 2.Qf2#
    • 1...Rg7
      • 2.Qe1#
      • 2.Qf2#
    • 1...Rg8
      • 2.Qe1#
      • 2.Qf2#
    • 1...f2
      • 2.Qe2#
  • Keys
    • 1.Sg3!
      • threat
        • 2.Sf5#
      • 1...Qxd3
        • 2.Rxd3#
      • 1...Rxg3
        • 2.Qe1#
      • 1...fxg3
        • 2.Bg5#
      • 1...f2
        • 2.Qe2#
      • 1...e4
        • 2.Bd4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 3
    • REMOVED MATES = 1
  • Sets
    • Q(g);OGATE,XB(C)::QAR1(B),XQ(g)
    • R(b);N_GUARD::QAB1(B),XR(b)
    • P(d);N_GUARD,S_CUTR(b)::QAR1(B)
  • Actual
    • S(D);
    • Threat
      • S(D)
    • Vars
      • Q(g);OGATE,XB(C)::R1(E),XQ(g)
      • R(b);N_GUARD,XS(D)::QAR2(B)
      • P(f);OGATEB,XS(D)::B(F)
      • P(d);N_GUARD,S_CUTR(b)::QAR1(B)
      • P(h);OGATE::B(F)
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).