MESON Chess Problem Database

Problem Display
PID: 167746 (k7/pp6/8/3N4/1R6/QK6/8/8 w - - 0 1)

Parkhomenko, Nikolai A

Chirvonaya emina, 1984

k7/pp6/8/3N4/1R6/QK6/8/8

#2

4 + 3

145 StrateGems 2017

SOLUTION

  • SOUND
  • Keys
    • 1.Qa6!
      • threat
        • 2.Qxb7#
      • 1...Kb8
        • 2.Qxb7#
      • 1...bxa6
        • 2.Sc7#
      • 1...b5
        • 2.Qc8#
      • 1...b6
        • 2.Qc8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Actual
    • Q(A);
    • Threat
      • QAB1(A),XP(b)
    • Vars
      • K(c);N_SPINP(a),P-FLIGHT,P_SPINP(b)::QAR1(A),XP(b)
      • P(b);N_SPINP(a),XQ(A)::S(D)
      • P(b);OGATE::QAR2(A)
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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).