MESON Chess Problem Database

Problem Display
PID: 161553 (6BB/2n2q1R/p3r2p/PPPkN3/R2P4/3P1p1Q/3p4/3Kb3 w - - 0 1)

Thomas, Georg

3rd Place, Match: Denmark - Israel, 1959

6BB/2n2q1R/p3r2p/PPPkN3/R2P4/3P1p1Q/3p4/3Kb3

#2

12 + 9

15601 Albrecht-Leiss-Degener Collection 2017

SOLUTION

  • SOUND
  • Sets
    • 1...Qh5
      • 2.Rd7#
    • 1...Qg6
      • 2.Rd7#
    • 1...Qe8
      • 2.Qxf3#
    • 1...Qxg8
      • 2.Qxf3#
    • 1...Qf4
      • 2.Rd7#
    • 1...Qf5
      • 2.Rd7#
    • 1...Qf6
      • 2.Rd7#
    • 1...Qd7
      • 2.Rxd7#
      • 2.Qxf3#
    • 1...Qe7
      • 2.Qxf3#
    • 1...Qg7
      • 2.Qxf3#
    • 1...Rxe5
      • 2.Qd7#
    • 1...Re8
      • 2.Qd7#
  • Tries
    • 1.Bxf7?
      • threat
        • 2.Qxf3#
      • 1...f2
        • 2.Qg2#
        • 2.Qh1#
        • 2.Qf3#
      • 1...Bg3!
  • Keys
    • 1.Sc6!
      • threat
        • 2.Sb4#
      • 1...Rxc6
        • 2.Qf5#
      • 1...Qf6
        • 2.Rd7#
      • 1...Qg7
        • 2.Qxf3#
      • 1...Re5
        • 2.Qd7#
      • 1...Rf6
        • 2.Se7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 8
  • Sets
    • Q(i);OGATE,P_SPINR(f)::R(J)
    • Q(i);N_GUARD,P_SPINR(f)::QAB(C),XP(c)
    • Q(i);N_GUARD,XB(K)::QAB(C),XP(c)
    • R(f);OGATE,P_SPINQ(i),XS(I)::QAR2(C)
    • R(f);OGATE,P_SPINQ(i)::QAR2(C)
  • Tries
    • Try
      • B(K);P_PINR(f),XQ(i)
      • Threat
        • QAB(C),XP(c)
      • Refutation
        • B(a);
  • Actual
    • S(I);
    • Threat
      • S(I)
    • Vars
      • R(f);N_GUARD,P_SPINQ(i),XS(I)::QAR2(C)
      • Q(i);OGATE,P_SPINR(f)::R(J)
      • Q(i);N_GUARD,P_SPINR(f)::QAB(C),XP(c)
      • R(f);OGATE,P_SPINQ(i)::QAR2(C)
      • R(f);N_GUARD,P_SPINQ(i)::S(I)
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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).