MESON Chess Problem Database

Problem Display
PID: 184853 (3N4/2n5/5p2/2n1k3/3R4/1P6/1P2K3/3Q4 w - - 0 1)

Jewetsky, Feodor Orestovich

125 Shakhmaty Zadachi (Eventski), 1908

3N4/2n5/5p2/2n1k3/3R4/1P6/1P2K3/3Q4

#2

6 + 4

6490 yacpdb 2018
5454 Near Snap 2021

SOLUTION

  • SOUND
  • Keys
    • 1.Qh1!
      • 1...Kxd4
        • 2.Sc6#
      • 1...Kf5
        • 2.Qh5#
      • 1...Sxb3
        • 2.Qe4#
      • 1...Se4
        • 2.Qxe4#
      • 1...Sd5
        • 2.Qxd5#
      • 1...Sd3
        • 2.Qe4#
      • 1...Sa4
        • 2.Qe4#
      • 1...S5a6
        • 2.Qe4#
      • 1...S5e6
        • 2.Qe4#
      • 1...Sb7
        • 2.Qe4#
      • 1...Sd7
        • 2.Qe4#
      • 1...Sb5
        • 2.Qd5#
      • 1...S7a6
        • 2.Qd5#
      • 1...S7e6
        • 2.Qd5#
      • 1...Sa8
        • 2.Qd5#
      • 1...Se8
        • 2.Qd5#
      • 1...f5
        • 2.Qh8#

This anticipates 249326(2000)

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 17
    • REMOVED MATES = 0
  • Sets
  • Actual
    • Q(A);
    • Vars
      • K(b);S_FLIGHT,XR(E)::S(F)
      • K(b);P-FLIGHT::QAR2(A)
      • S(a);N_GUARD,XP(D)::QAR1(A)
      • S(a);N_GUARD::QAR1(A),XS(a)
      • S(d);N_GUARD::QAR1(A),XS(d)
      • S(a);N_GUARD::QAR1(A)
      • S(d);N_GUARD::QAR1(A)
      • P(c);OGATEB,SBLOCK::QAB(A)
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Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) & CSS/Javascript (jQuery, Bootstrap & DataTables).