MESON Chess Problem Database

Problem Display
PID: 109834 (Q7/4KPpq/1B1P1P1b/3Pk3/5p1N/1r1p1p2/B4N2/3n4 w - - 0 1)

Bakcsi, Gyorgy

3rd Place, Match: Bratislava - Budapest, 1966-1967

Q7/4KPpq/1B1P1P1b/3Pk3/5p1N/1r1p1p2/B4N2/3n4

#2

10 + 9

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Qe4
      • 2.Sg4#
    • 1...Qf5
      • 2.Sxf3#
  • Tries
    • 1.Qa4?
      • threat
        • 2.Qd4#
      • 1...Kxd5
        • 2.Qb5#
      • 1...Rxb6
        • 2.Sg4#
      • 1...Qe4
        • 2.Qxe4#
      • 1...Rb4!
  • Keys
    • 1.Qc8!
      • threat
        • 2.Qe6#
      • 1...Kxd5
        • 2.Qc5#
      • 1...Rxb6
        • 2.Sxf3#
      • 1...Qf5
        • 2.Qxf5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 2
    • REMOVED MATES = 1
  • Sets
    • Q(i);SBLOCK::S(B)
    • Q(i);SBLOCK::S(C),XP(d)
  • Tries
    • Try
      • Q(J);
      • Threat
        • QAB1(J)
      • Vars
        • K(f);OGATEB,P-FLIGHT,P_SPINR(b),XP(D)::QAR2(J)
        • R(b);XB(E)::S(B)
        • Q(i);N_GUARD::QAR1(J),XQ(i)
      • Refutation
        • R(b);
  • Actual
    • Q(J);
    • Threat
      • QAR1(J)
    • Vars
      • K(f);OGATEB,P-FLIGHT,P_SPINR(b),XP(D)::QAR1(J)
      • R(b);XB(E)::S(C),XP(d)
      • Q(i);N_GUARD::QAR1(J),XQ(i)
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).