MESON Chess Problem Database

Problem Display
PID: 193514 (Kn2B3/p1b1n3/r7/3P1kBP/2N1p1pP/2Np1r2/8/5Q2 w - - 0 1)

Guidelli, Giorgio

Chess Amateur (The), 1915

Kn2B3/p1b1n3/r7/3P1kBP/2N1p1pP/2Np1r2/8/5Q2

#2

9 + 10

6490 yacpdb 2019

SOLUTION

  • SOUND
  • Sets
    • 1...Be5
      • 2.Se3#
    • 1...Sec6
      • 2.Bg6#
    • 1...Sbc6
      • 2.Bd7#
    • 1...e3
      • 2.Qxd3#
    • 1...g3
      • 2.Qh3#
  • Tries
    • 1.Bd7+?
      • 1...Re6
        • 2.Bxe6#
      • 1...Sxd7!
  • Keys
    • 1.Sb5!
      • threat
        • 2.Sd4#
      • 1...e3
        • 2.Qxd3#
      • 1...g3
        • 2.Qh3#
      • 1...Be5
        • 2.Se3#
      • 1...Bb6
        • 2.Sbd6#
      • 1...Sec6
        • 2.Bg6#
      • 1...Sbc6
        • 2.Bd7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • B(h);SBLOCK::S(C)
    • S(i);N_GUARD,S_CUTR(f)::B(I)
    • S(j);N_GUARD,S_CUTR(f)::B(I)
    • P(c);OGATEB::QAB(A),XP(a)
    • P(d);OGATEB::QAB(A)
  • Tries
    • Try
      • B(I);CHECK
      • Vars
        • R(f);N_GUARD::B(I),XR(f)
      • Refutation
        • S(j);XB(I)
  • Actual
    • S(B);
    • Threat
      • S(B)
    • Vars
      • P(c);OGATEB::QAB(A),XP(a)
      • P(d);OGATEB::QAB(A)
      • B(h);SBLOCK::S(C)
      • B(h);N_GUARD,S_CUTR(f)::S(B)
      • S(i);N_GUARD,S_CUTR(f)::B(I)
      • S(j);N_GUARD,S_CUTR(f)::B(I)
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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).