MESON Chess Problem Database

Problem Display
PID: 214591 (4R3/6b1/3p4/KPk2q2/2N5/4P3/B7/3R4 w - - 0 1)

Barbe, Emanuel

Newark Sunday Call, 1880

4R3/6b1/3p4/KPk2q2/2N5/4P3/B7/3R4

#2

7 + 4

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Qb1
      • 2.Rc8#
    • 1...Qc2
      • 2.Rc8#
    • 1...Qg6
      • 2.Rc8#
    • 1...Qh7
      • 2.Rc8#
    • 1...Qc8
      • 2.Rxc8#
    • 1...Qf1
      • 2.Rc8#
    • 1...Qf2
      • 2.Rc8#
    • 1...Qf4
      • 2.Rc8#
    • 1...Qe5
      • 2.Rc8#
    • 1...Qg5
      • 2.Rc8#
    • 1...Qh5
      • 2.Rc8#
    • 1...Qf6
      • 2.Rc8#
  • Keys
    • 1.Se5!
      • threat
        • 2.Rd5#
      • 1...Qxe5
        • 2.Rc8#
      • 1...d5
        • 2.Rxd5#
      • 1...Qd3
        • 2.Sxd3#
        • 2.Sd7#
        • 2.Rc8#
      • 1...Qe4
        • 2.Sd7#
      • 1...Qe6
        • 2.Sd3#
      • 1...Qf3
        • 2.Sd3#
        • 2.Sd7#
        • 2.Rc1#
      • 1...Qf7
        • 2.Sd3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 11
  • Sets
    • Q(b);N_GUARD::R(G)
    • Q(b);N_GUARD::R(G),XQ(b)
  • Actual
    • S(D);
    • Threat
      • R1(A)
    • Vars
      • Q(b);N_GUARD,XS(D)::R(G)
      • P(c);::R1(A),XP(c)
      • Q(b);N_GUARD::S(D)
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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).