MESON Chess Problem Database

Problem Display
PID: 245864 (5q2/5PP1/2n3Nb/3P4/2PNk1P1/1R2p3/pQ4P1/K6n w - - 0 1)

Dimitrov, Nikolai

Europa-Rochade, 2001

5q2/5PP1/2n3Nb/3P4/2PNk1P1/1R2p3/pQ4P1/K6n

#2

11 + 7

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Tries
    • 1.Se6?
      • threat
        • 2.Qc2#
      • 1...Qxg7
        • 2.Sc5#
      • 1...Bxg7
        • 2.Sg5#
      • 1...Sb4
        • 2.Qd4#
        • 2.Qe5#
      • 1...Sd4
        • 2.Qxd4#
      • 1...Se5
        • 2.Qd4#
        • 2.Qxe5#
      • 1...Sf2!
  • Keys
    • 1.Sf5!
      • threat
        • 2.Qc2#
      • 1...Qxg7
        • 2.Sd6#
      • 1...Bxg7
        • 2.Rxe3#
      • 1...Sf2
        • 2.Sg3#
      • 1...Sb4
        • 2.Qd4#
        • 2.Qe5#
      • 1...Sd4
        • 2.Qxd4#
      • 1...Se5
        • 2.Qd4#
        • 2.Qxe5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(F);
      • Threat
        • QAB(B)
      • Vars
        • Q(g);N_GUARD,P_PINQ(B),XP(K)::S(F)
        • B(f);N_GUARD,P_PINQ(B),XP(K)::S(F)
        • S(e);N_GUARD::QAR1(B),XS(e)
      • Refutation
        • S(a);
  • Actual
    • S(F);
    • Threat
      • QAB(B)
    • Vars
      • Q(g);N_GUARD,P_PINQ(B),XP(K)::S(F)
      • B(f);N_GUARD,P_PINQ(B),XP(K)::R1(D),XP(c)
      • S(a);N_GUARD::S(F)
      • S(e);N_GUARD::QAR1(B),XS(e)
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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).