MESON Chess Problem Database

Problem Display
PID: 79780 (2NK4/Q2Np3/2b1p1p1/1p4r1/1nk2nq1/bp1r4/1p6/4BB2 w - - 0 1)

Savournin, Jacques

Europe Echecs, 1961

2NK4/Q2Np3/2b1p1p1/1p4r1/1nk2nq1/bp1r4/1p6/4BB2

#2

6 + 14

SOLUTION

  • SOUND
  • Sets
    • 1...Rc5
      • 2.Qxc5#
    • 1...Bd5
      • 2.Qc5#
    • 1...Sd5
      • 2.Qc5#
    • 1...e5
      • 2.Qc5#
  • Tries
    • 1.Sd6+?
      • 1...Kd5
        • 2.Qc5#
      • 1...exd6!
  • Keys
    • 1.Qe3!
      • threat
        • 2.Sb6#
      • 1...Kd5
        • 2.Sdb6#
      • 1...Sbd5
        • 2.Qe4#
      • 1...Sfd5
        • 2.Qc5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 3
  • Sets
    • R(j);N_GUARD::QAR1(C),XR(j)
    • B(k);N_PINS(D),S_CUTR(j)::QAR1(C)
    • S(g);N_PINS(D),S_CUTR(j)::QAR1(C)
    • P(l);S_CUTR(j)::QAR1(C)
  • Tries
    • Try
      • S(E);CHECK,N_SPINS(D)
      • Vars
        • K(f);N_SPINR(d),S_FLIGHT::QAR1(C)
      • Refutation
        • P(n);XS(E)
  • Actual
    • Q(C);
    • Threat
      • S(E)
    • Vars
      • K(f);N_PINS(D),N_SPINR(d),S_FLIGHT::S(D)
      • S(e);N_PINS(D),S_CUTB(k)::QAR2(C)
      • S(g);N_PINS(D),S_CUTR(j)::QAR1(C)
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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).