MESON Chess Problem Database

Problem Display
PID: 229414 (8/2p5/R3p1B1/2pkP3/1bN5/6N1/K1n5/5QBq w - - 0 1)

Velikhanov, Kenan

Sachova skladba, 2003

8/2p5/R3p1B1/2pkP3/1bN5/6N1/K1n5/5QBq

#2

8 + 7

6490 yacpdb 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Qe4
      • 2.Bxe4#
    • 1...Qh2
      • 2.Be4#
    • 1...Qh3
      • 2.Be4#
    • 1...Qh5
      • 2.Be4#
    • 1...Qh6
      • 2.Be4#
    • 1...Qh8
      • 2.Be4#
    • 1...Sa1
      • 2.Qd3#
    • 1...Sa3
      • 2.Qd3#
    • 1...Se3
      • 2.Qd3#
  • Tries
    • 1.Qf3+?
      • 1...Kxc4
        • 2.Qd3#
      • 1...Qxf3!
  • Keys
    • 1.Qf5!
      • threat
        • 2.Qxe6#
      • 1...Kxc4
        • 2.Qd3#
      • 1...Qxg1
        • 2.Qe4#
      • 1...exf5
        • 2.Bf7#
      • 1...Se3
        • 2.Qd3#
      • 1...Qh3
        • 2.Qe4#
      • 1...Sd4
        • 2.Se3#
      • 1...c6
        • 2.Sb6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 5
    • REMOVED MATES = 7
  • Sets
    • Q(a);N_GUARD::B(H),XQ(a)
    • Q(a);N_GUARD::B(H)
    • S(b);N_GUARD::QAR2(A)
  • Tries
    • Try
      • Q(A);CHECK
      • Vars
        • K(e);S_FLIGHT,XS(E)::QAB1(A)
      • Refutation
        • Q(a);XQ(A)
  • Actual
    • Q(A);
    • Threat
      • QAB1(A),XP(f)
    • Vars
      • K(e);S_FLIGHT,XS(E)::QAB1(A)
      • Q(a);N_GUARD,XB(B)::QAB1(A)
      • P(f);OGATEB,XQ(A)::B(H)
      • S(b);N_GUARD::QAR2(A)
      • Q(a);N_GUARD::QAB1(A)
      • S(b);N_GUARD,SBLOCK::S(E)
      • P(g);N_GUARD,SBLOCK::S(E)
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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).