MESON Chess Problem Database

Problem Display
PID: 183037 (r1n5/1N6/1Pn1b3/1p1p3Q/2kP2p1/2p5/2B5/1R1RK3 w - - 0 1)

Scotti, Louis

Match: France - Romania, 1951-1953

r1n5/1N6/1Pn1b3/1p1p3Q/2kP2p1/2p5/2B5/1R1RK3

#2

8 + 9

SOLUTION

  • SOUND
  • Sets
    • 1...Sb4
      • 2.Bb3#
    • 1...Sxd4
      • 2.Bd3#
    • 1...S6a7
      • 2.Sa5#
    • 1...Sxb6
      • 2.Sd6#
    • 1...Sd6
      • 2.Sxd6#
    • 1...S8a7
      • 2.Sd6#
    • 1...Se7
      • 2.Sd6#
    • 1...g3
      • 2.Qe2#
  • Tries
    • 1.Qg6?
      • threat
        • 2.Qd3#
      • 1...Bf5
        • 2.Qxc6#
      • 1...Sb4
        • 2.Bb3#
      • 1...Se5!
  • Keys
    • 1.Qe8!
      • threat
        • 2.Qxc6#
      • 1...Sxd4
        • 2.Bd3#
      • 1...Bd7
        • 2.Qe2#
      • 1...Sb4
        • 2.Bb3#
      • 1...Sa5
        • 2.Qxb5#
      • 1...Se5
        • 2.Qxb5#
      • 1...S6a7
        • 2.Sa5#
      • 1...S6e7
        • 2.Qxb5#
      • 1...Sb8
        • 2.Qxb5#
      • 1...Sd8
        • 2.Qxb5#
      • 1...S8a7
        • 2.Sd6#
      • 1...S8e7
        • 2.Sd6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 3
  • Sets
    • S(f);SBLOCK::B(D)
    • S(f);SBLOCK,XP(E)::B(D)
    • S(f);N_GUARD,S_CUTR(h)::S(H)
    • S(i);N_GUARD,XP(G)::S(H)
    • S(i);N_GUARD::S(H),XS(i)
    • S(i);N_GUARD::S(H)
    • P(c);OGATE::QAB(F)
  • Tries
    • Try
      • Q(F);
      • Threat
        • QAB1(F)
      • Vars
        • B(g);OGATE::QAR2(F),XS(f)
        • S(f);SBLOCK::B(D)
      • Refutation
        • S(f);
  • Actual
    • Q(F);
    • Threat
      • QAR2(F),XS(f)
    • Vars
      • S(f);SBLOCK,XP(E)::B(D)
      • B(g);OGATE::QAB(F)
      • S(f);SBLOCK::B(D)
      • S(f);OGATE::QAB1(F),XP(d)
      • S(f);N_GUARD,S_CUTR(h)::S(H)
      • S(i);N_GUARD::S(H)
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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).