MESON Chess Problem Database

Problem Display
PID: 202452 (2b5/n4B2/6P1/2K1k1p1/3Np1p1/4P3/5N2/5Q2 w - - 0 1)

Nemlikher, SY

Shakhmaty, 1923

2b5/n4B2/6P1/2K1k1p1/3Np1p1/4P3/5N2/5Q2

#2

7 + 6

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Ba6
      • 2.Sxg4#
    • 1...Bb7
      • 2.Sxg4#
  • Keys
    • 1.Sf5!
      • threat
        • 2.Sxg4#
      • 1...Kxf5
        • 2.Sd3#
      • 1...Kf6
        • 2.Sxg4#
      • 1...Bxf5
        • 2.Qa1#
      • 1...g3
        • 2.Sg4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 2
  • Sets
    • B(f);N_GUARD::S(B),XP(b)
  • Actual
    • S(D);
    • Threat
      • S(B),XP(b)
    • Vars
      • K(c);P-FLIGHT,XS(D)::QAR(A)+S(B)
      • K(c);S_FLIGHT::S(B),XP(b)
      • B(f);SBLOCK,XS(D)::QAB(A)
      • P(b);::S(B)
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Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) & CSS/Javascript (jQuery, Bootstrap & DataTables).