MESON Chess Problem Database

Problem Display
PID: 187955 (8/pN2rn1b/K7/1R1Pk3/7N/3P4/5Q2/8 w - - 0 1)

Chocolous, Jiri

Tidskrift for Schack, 1910

8/pN2rn1b/K7/1R1Pk3/7N/3P4/5Q2/8

#2

7 + 5

6490 yacpdb 2019

SOLUTION

  • SOUND
  • Sets
    • 1...Re6+
      • 2.d6#
    • 1...Be4
      • 2.d4#
    • 1...Bg6
      • 2.Sxg6#
    • 1...Bg8
      • 2.Sg6#
  • Keys
    • 1.Sg2!
      • threat
        • 2.Qf4#
      • 1...Re6+
        • 2.d6#
      • 1...Bf5
        • 2.Qb2#
      • 1...Be4
        • 2.d4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 2
  • Sets
    • R(c);CHECK,SBLOCK::R(D)+P(E)
    • B(e);SBLOCK::P(B)
    • B(e);N_GUARD::S(C),XB(e)
    • B(e);N_GUARD::S(C)
  • Actual
    • S(C);
    • Threat
      • QAB1(A)
    • Vars
      • R(c);CHECK,SBLOCK::R(D)+P(E)
      • B(e);SBLOCK::QAB(A)
      • B(e);SBLOCK::P(B)
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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).