MESON Chess Problem Database

Problem Display
PID: 179796 (5b2/n1p3n1/K1P1pQ2/2k5/1pN1PP2/1p1P4/8/8 w - - 0 1)

Zalkind, Lazar Borissovich

Casopis ceskoslovenskych sachistu, 1908

5b2/n1p3n1/K1P1pQ2/2k5/1pN1PP2/1p1P4/8/8

#2

7 + 8

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Tries
    • 1.Qd4+?
      • 1...Kxc6
        • 2.Sa5#
        • 2.Se5#
      • 1...Kxd4!
    • 1.Qxf8+?
      • 1...Kxc6
        • 2.Se5#
      • 1...Kd4!
  • Keys
    • 1.Sa5!
      • threat
        • 2.Qe5#
      • 1...Kd6
        • 2.Qxf8#
      • 1...Sxc6
        • 2.Sb7#
      • 1...Bd6
        • 2.d4#
      • 1...e5
        • 2.Sxb3#
        • 2.Qxe5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(G);CHECK
      • Refutation
        • K(c);S_FLIGHT,XQ(G)
    • Try
      • Q(G);CHECK,XB(h)
      • Vars
        • K(c);P-FLIGHT,XP(F)::S(B)
      • Refutation
        • K(c);S_FLIGHT
  • Actual
    • S(B);
    • Threat
      • QAR2(G)
    • Vars
      • K(c);P_SPINP(d),S_FLIGHT::QAB(G),XB(h)
      • S(e);SBLOCK,XP(F)::S(B)
      • B(h);SBLOCK::P(A)
HTML5 logo

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).