MESON Chess Problem Database

Problem Display
PID: 134443 (5B2/1N4p1/2B3Q1/p7/p1pN1P2/P1kP1p2/5P2/2Kb4 w - - 0 1)

Zarhs, Aleksandr

Sachsische Zeitung, 1999

5B2/1N4p1/2B3Q1/p7/p1pN1P2/P1kP1p2/5P2/2Kb4

#2

10 + 7

14503 Problemschach-Jahrbuch (1999) 2000

SOLUTION

  • SOUND
  • Sets
    • 1...Kxd4
      • 2.Bxg7#
    • 1...Bb3
      • 2.Sb5#
  • Tries
    • 1.Sd6?
      • threat
        • 2.S6b5#
      • 1...Kxd4
        • 2.Sb5#
      • 1...cxd3!
    • 1.Bb4+?
      • 1...Kxd4
        • 2.Qe4#
        • 2.Qd6#
      • 1...axb4!
    • 1.Qe6?
      • threat
        • 2.Qxc4#
      • 1...Kxd3
        • 2.Qe3#
      • 1...Kxd4
        • 2.Qxc4#
      • 1...cxd3
        • 2.Sb5#
      • 1...Bb3!
  • Keys
    • 1.Sc5!
      • threat
        • 2.Sb5#
      • 1...Kxd4
        • 2.Qxg7#
      • 1...cxd3
        • 2.Qxd3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 1
    • REMOVED MATES = 1
  • Sets
    • K(b);OGATEB,S_FLIGHT,XS(E)::B(J),XP(g)
    • B(a);SBLOCK::S(E)
  • Tries
    • Try
      • S(I);
      • Threat
        • S(I)
      • Vars
        • K(b);S_FLIGHT,XS(E)::S(I)
      • Refutation
        • P(e);XP(D)
    • Try
      • B(J);CHECK
      • Refutation
        • P(f);XB(J)
    • Try
      • Q(H);
      • Threat
        • QAR1(H),XP(e)
      • Vars
        • K(b);OGATEB,P-FLIGHT,XP(D)::QAR1(H)
        • K(b);S_FLIGHT,XS(E)::QAR1(H),XP(e)
        • P(e);SBLOCK,XP(D)::S(E)
      • Refutation
        • B(a);
  • Actual
    • S(I);
    • Threat
      • S(E)
    • Vars
      • K(b);OGATEB,S_FLIGHT,XS(E)::QAB(H),XP(g)
      • P(e);OGATE,XP(D)::QAR1(H),XP(e)
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).