MESON Chess Problem Database

Problem Display
PID: 160779 (5N2/8/5Qp1/2r4k/4r2n/5p1K/8/8 w - - 0 1)

Markovtsy, Vassyl Yuriovich

2nd Comm., Schach MZ-27 TT, 2001

5N2/8/5Qp1/2r4k/4r2n/5p1K/8/8

#2

3 + 6

SOLUTION

  • SOUND
  • Sets
    • 1...Re1
      • 2.Qxh4#
    • 1...Re2
      • 2.Qxh4#
    • 1...Re3
      • 2.Qxh4#
    • 1...Ree5
      • 2.Qxh4#
    • 1...Re6
      • 2.Qxh4#
    • 1...Re7
      • 2.Qxh4#
    • 1...Re8
      • 2.Qxh4#
    • 1...Rg5
      • 2.Qh8#
    • 1...Sg2
      • 2.Qxg6#
    • 1...Sf5
      • 2.Qxg6#
    • 1...g5
      • 2.Qh8#
  • Keys
    • 1.Se6!
      • threat
        • 2.Qh8#
      • 1...Kh6
        • 2.Qh8#
      • 1...Rxe6
        • 2.Qxh4#
      • 1...Rc7
        • 2.Qg5#
      • 1...Rc8
        • 2.Qg5#
      • 1...Sf5
        • 2.Qg5#
      • 1...g5
        • 2.Sg7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 2
    • ADDED MATES = 3
    • REMOVED MATES = 8
  • Sets
    • R(b);N_GUARD::QAR1(B),XS(c)
    • R(d);SBLOCK::QAR(B)
    • S(c);N_GUARD::QAB1(B),XP(f)
    • P(f);SBLOCK::QAR(B)
  • Actual
    • S(C);
    • Threat
      • QAR(B)
    • Vars
      • K(e);P-FLIGHT,P_SPINP(f)::QAR2(B)
      • R(b);N_GUARD,XS(C)::QAR1(B),XS(c)
      • R(d);N_GUARD::QAR1(B)
      • S(c);S_CUTR(d)::QAR1(B)
      • P(f);::S(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).