MESON Chess Problem Database

Problem Display
PID: 60897 (4r3/p1N2N2/2P3rb/8/1QpknnR1/8/KPP1R3/7b w - - 0 1)

Fuchs, Georges Matthieu

Bulletin de la FFE, 1928

4r3/p1N2N2/2P3rb/8/1QpknnR1/8/KPP1R3/7b

#2

9 + 9

SOLUTION

  • SOUND
  • Sets
    • 1...Sc3+
      • 2.bxc3#
    • 1...Sc5
      • 2.Qc3#
    • 1...Sd3
      • 2.c3#
    • 1...Sd5
      • 2.Sb5#
    • 1...Se6
      • 2.Qd6#
  • Keys
    • 1.Qa3!
      • threat
        • 2.Qe3#
      • 1...Sc3+
        • 2.bxc3#
      • 1...Sxe2
        • 2.Qxa7#
      • 1...c3
        • 2.Qb4#
      • 1...Sd2
        • 2.Qxa7#
      • 1...Sf2
        • 2.Qxa7#
      • 1...Sg3
        • 2.Qxa7#
      • 1...Sc5
        • 2.Qc3#
      • 1...Sg5
        • 2.Qxa7#
      • 1...Sd6
        • 2.Qxa7#
      • 1...Sf6
        • 2.Qxa7#
      • 1...Sg2
        • 2.Qxa7#
      • 1...Sd3
        • 2.c3#
      • 1...Sh3
        • 2.Qxa7#
      • 1...Sd5
        • 2.Sb5#
      • 1...Sh5
        • 2.Qxa7#
      • 1...Se6
        • 2.Qd6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 11
    • REMOVED MATES = 0
  • Sets
    • S(d);CHECK,OGATE,P_SPINS(e)::P(B),XS(d)
    • S(d);N_GUARD,P_SPINS(e),SBLOCK::QAB1(E)
    • S(e);P_SPINS(d),SBLOCK::P(C)
    • S(e);P_SPINS(d),SBLOCK::S(H)
    • S(e);N_GUARD,P_SPINS(d),S_CUTR(f)::QAR2(E)
  • Actual
    • Q(E);N_PINP(b)
    • Threat
      • QAB1(E)
    • Vars
      • S(d);CHECK,OGATE,P_SPINS(e)::P(B),XS(d)
      • S(e);P_SPINS(d),XR(D)::QAB(E),XP(h)
      • P(b);OGATEB::QAR2(E)
      • S(d);N_GUARD,P_SPINS(e)::QAB(E),XP(h)
      • S(d);N_GUARD,P_SPINS(e),SBLOCK::QAB1(E)
      • S(e);P_SPINS(d)::QAB(E),XP(h)
      • S(e);P_SPINS(d),SBLOCK::P(C)
      • S(e);P_SPINS(d),SBLOCK::S(H)
      • S(e);N_GUARD,P_SPINS(d),S_CUTR(f)::QAR2(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).