MESON Chess Problem Database

Problem Display
PID: 208878 (6Q1/3br3/3Bp3/Kpp5/1N1k1N2/1Pp1p3/2B5/2b3nn w - - 0 1)

Faysse Pere, J

Detroit Free Press, 1876

6Q1/3br3/3Bp3/Kpp5/1N1k1N2/1Pp1p3/2B5/2b3nn

#2

7 + 11

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Bc6
      • 2.Sxc6#
    • 1...Bc8
      • 2.Sc6#
    • 1...Se2
      • 2.Sxe2#
    • 1...Sf3
      • 2.Se2#
    • 1...Sh3
      • 2.Se2#
    • 1...e5
      • 2.Qd5#
  • Tries
    • 1.Bxc5+?
      • 1...Ke5
        • 2.Qg5#
      • 1...Kxc5!
    • 1.Qg5?
      • threat
        • 2.Bxc5#
        • 2.Be5#
        • 2.Qxc5#
        • 2.Qe5#
      • 1...cxb4
        • 2.Bc5#
        • 2.Qc5#
        • 2.Qe5#
      • 1...e2
        • 2.Bxc5#
        • 2.Qxc5#
        • 2.Qe5#
      • 1...Sf3
        • 2.Se2#
        • 2.Bxc5#
        • 2.Qxc5#
      • 1...c4
        • 2.Bc5#
        • 2.Qc5#
        • 2.Qe5#
      • 1...e5!
    • 1.Qg6?
      • threat
        • 2.Qd3#
        • 2.Qe4#
      • 1...Bc6
        • 2.Sxc6#
        • 2.Qd3#
      • 1...Sg3
        • 2.Qd3#
      • 1...c4
        • 2.Qe4#
      • 1...Sf2!
  • Keys
    • 1.Qc8!
      • threat
        • 2.Qxc5#
      • 1...Bxc8
        • 2.Sc6#
      • 1...cxb4
        • 2.Qc5#
      • 1...Bc6
        • 2.Sxc6#
      • 1...c4
        • 2.Qc5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 4
  • Sets
    • B(j);N_GUARD::S(C),XB(j)
    • B(j);N_GUARD::S(C)
    • S(b);N_GUARD::S(D),XS(b)
    • S(b);N_GUARD::S(D)
    • P(i);OGATE::QAR1(G)
  • Tries
    • Try
      • B(F);CHECK,XP(h)
      • Vars
        • K(f);S_FLIGHT::QAR2(G)
      • Refutation
        • K(f);S_FLIGHT,XB(F)
    • Try
      • Q(G);
      • Threat
        • DUALS(4)
      • Refutation
        • P(i);
    • Try
      • Q(G);
      • Threat
        • DUALS(2)
      • Vars
        • S(c);::QAR1(G)
        • P(h);::QAR1(G)
      • Refutation
        • S(c);
  • Actual
    • Q(G);
    • Threat
      • QAB1(G),XP(h)
    • Vars
      • B(j);N_GUARD,XQ(G)::S(C)
      • P(h);XS(C)::QAB1(G)
      • B(j);N_GUARD::S(C),XB(j)
      • P(h);::QAB1(G)
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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).