MESON Chess Problem Database

Problem Display
PID: 48312 (8/8/1ppkb1N1/RqNp4/5R2/8/8/6QK w - - 0 1)

Lobusov, Andrey Jakovlevic

1st HM., BCF 141. Ty., 1978-1979

8/8/1ppkb1N1/RqNp4/5R2/8/8/6QK

#2

6 + 6

SOLUTION

  • SOUND
  • Keys
    • 1.Qg3!
      • threat
        • 2.Rc4#
      • 1...Qf1+
        • 2.Rxf1#
      • 1...Qb1+
        • 2.Rf1#
      • 1...Kxc5
        • 2.Qa3#
      • 1...Kc7
        • 2.Rf8#
      • 1...Qxc5
        • 2.Rf7#
      • 1...bxc5
        • 2.Rf7#
      • 1...d4
        • 2.Rf5#
      • 1...Qe2
        • 2.Re4#
      • 1...Qd3
        • 2.Rf3#
      • 1...Qc4
        • 2.Rxc4#
        • 2.Rd4#
        • 2.Re4#
      • 1...Qb2
        • 2.Rd4#
      • 1...Qb3
        • 2.Rf3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 11
    • REMOVED MATES = 0
  • Sets
  • Actual
    • Q(A);
    • Threat
      • QAB(A)+R(C)
    • Vars
      • Q(a);CHECK::QAB(A)+R(C),XQ(a)
      • Q(a);CHECK::QAB(A)+R(C)
      • K(e);OGATEB,P_SPINQ(a),S_FLIGHT,XS(E)::QAB(A)
      • K(e);S_FLIGHT::QAB(A)+R(C)
      • Q(a);XS(E)::QAB(A)+R(C)
      • P(c);SBLOCK,XS(E)::QAB(A)+R(C)
      • P(b);::QAB(A)+R(C)
      • Q(a);::QAB(A)+R(C)
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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).