MESON Chess Problem Database

Problem Display
PID: 45033 (1R6/7K/2nP1RN1/2pk1N2/1Pn5/3Pp2Q/3b3p/7b w - - 0 1)

Planck, Charles

Illustrerit Copenhagen, 1886

1R6/7K/2nP1RN1/2pk1N2/1Pn5/3Pp2Q/3b3p/7b

#2

9 + 8

3316 Chess Problem Text Book 1887
15351 SCPF/BCPS Black Books 2017

SOLUTION

  • SOUND
  • Sets
    • 1...Bg2
      • 2.Qxg2#
    • 1...Bf3
      • 2.Qxf3#
    • 1...S4e5
      • 2.Sf4#
    • 1...Sxd6
      • 2.Rxd6#
    • 1...Sd4
      • 2.Sfe7#
    • 1...S6e5
      • 2.Sge7#
    • 1...cxb4
      • 2.Rb5#
  • Keys
    • 1.Qf1!
      • threat
        • 2.Qxh1#
      • 1...Sxd6
        • 2.Rxd6#
      • 1...cxb4
        • 2.Rb5#
      • 1...Sd4
        • 2.Sfe7#
      • 1...S6e5
        • 2.Sge7#
      • 1...Bg2
        • 2.Qxg2#
      • 1...Bf3
        • 2.Qxf3#
      • 1...Be4
        • 2.dxc4#
      • 1...S4e5
        • 2.Sf4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • B(a);N_GUARD::QAB(B),XB(a)
    • S(e);SBLOCK::S(G)
    • S(e);OGATE,XP(E)::R1(F),XS(e)
    • S(h);N_GUARD,SBLOCK::S(D)
    • S(h);N_GUARD,SBLOCK::S(G)
    • P(f);OGATEB,XP(C)::R(I)
  • Actual
    • Q(B);
    • Threat
      • QAB(B),XB(a)
    • Vars
      • S(e);OGATE,XP(E)::R1(F),XS(e)
      • P(f);OGATEB,XP(C)::R(I)
      • S(h);N_GUARD,SBLOCK::S(D)
      • S(h);N_GUARD,SBLOCK::S(G)
      • B(a);N_GUARD::QAB(B),XB(a)
      • B(a);SBLOCK::P(A),XS(e)
      • S(e);SBLOCK::S(G)
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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).