MESON Chess Problem Database

Problem Display
PID: 58754 (4n1r1/4rp1N/2Pp2bR/5k2/1qp3NQ/3Pp3/B5PB/2b1R1nK w - - 0 1)

Bartok, Gyorgy

Koch, Janos

4th Prize, Argentine Chess Federation, 1960

4n1r1/4rp1N/2Pp2bR/5k2/1qp3NQ/3Pp3/B5PB/2b1R1nK

#2

11 + 12

264 Magyar Sakkelet 1951

SOLUTION

  • SOUND
  • Sets
    • 1...Re6
      • 2.Qg5#
    • 1...c3
      • 2.Qg5#
  • Tries
    • 1.Qf6+?
      • 1...Kxg4
        • 2.Rh4#
        • 2.Qg5#
        • 2.Qf4#
      • 1...Sxf6!
  • Keys
    • 1.Sf2!
      • threat
        • 2.Qg4#
      • 1...Ke6
        • 2.Qe4#
      • 1...Bxh7
        • 2.Qf4#
      • 1...exf2
        • 2.g4#
      • 1...cxd3
        • 2.Qg5#
      • 1...Re4
        • 2.Qxe4#
      • 1...Bh5
        • 2.Qf4#
      • 1...Sf6
        • 2.Qxf6#
      • 1...c3
        • 2.Qg5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 1
  • Sets
    • R(i);SBLOCK::QAR1(H)
    • P(e);::QAR1(H)
  • Tries
    • Try
      • Q(H);CHECK
      • Refutation
        • S(k);XQ(H)
  • Actual
    • S(G);
    • Threat
      • QAB1(H)
    • Vars
      • K(f);P_SPINB(h),P_SPINP(c),S_FLIGHT::QAR2(H)
      • B(h);XS(K)::QAR1(H)
      • P(c);XS(G)::P(D)
      • P(e);XP(F)::QAR1(H)
      • R(i);N_GUARD::QAB1(H),XR(i)
      • B(h);::QAR1(H)
      • S(k);N_GUARD::QAR1(H),XS(k)
      • P(e);::QAR1(H)
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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).