MESON Chess Problem Database

Problem Display
PID: 193492 (2bn4/1p2Qp2/r7/Rqp2k1P/p7/1p3Pb1/3Bn1N1/7K w - - 0 1)

Guidelli, Giorgio

L'Illustrazione Italiana, 1915

2bn4/1p2Qp2/r7/Rqp2k1P/p7/1p3Pb1/3Bn1N1/7K

#2

7 + 12

6490 yacpdb 2019

SOLUTION

  • SOUND
  • Sets
    • 1...Re6
      • 2.Qg5#
    • 1...Rf6
      • 2.Qe4#
    • 1...Bh2
      • 2.Sh4#
    • 1...Bf4
      • 2.Sh4#
    • 1...Bh4
      • 2.Sxh4#
    • 1...Be5
      • 2.Sh4#
    • 1...Bd6
      • 2.Sh4#
    • 1...Bc7
      • 2.Sh4#
    • 1...Bb8
      • 2.Sh4#
    • 1...Be6
      • 2.Qg5#
    • 1...Sf4
      • 2.Se3#
    • 1...f6
      • 2.Qe4#
  • Keys
    • 1.Bf4!
      • threat
        • 2.Qe5#
      • 1...Bxf4
        • 2.Sh4#
      • 1...Sxf4
        • 2.Se3#
      • 1...Qe8
        • 2.Rxc5#
      • 1...Re6
        • 2.Qg5#
      • 1...Be6
        • 2.Qg5#
      • 1...Sc6
        • 2.Qxf7#
      • 1...Se6
        • 2.Qxf7#
      • 1...c4
        • 2.Rxb5#
      • 1...f6
        • 2.Qe4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 7
  • Sets
    • R(h);SBLOCK::QAR1(G)
    • R(h);SBLOCK::QAB1(G)
    • B(c);N_GUARD::S(C)
    • B(c);N_GUARD::S(C),XB(c)
    • B(k);SBLOCK::QAR1(G)
    • S(a);SBLOCK::S(C)
    • P(j);SBLOCK::QAB1(G)
  • Actual
    • B(B);
    • Threat
      • QAR1(G)
    • Vars
      • B(c);N_GUARD,SBLOCK,XB(B)::S(C)
      • S(a);SBLOCK,XB(B)::S(C)
      • Q(e);OGATE,P_SPINP(f)::R(E),XP(f)
      • R(h);SBLOCK::QAR1(G)
      • B(k);SBLOCK::QAR1(G)
      • S(l);N_GUARD,S_CUTR(h)::QAR2(G),XP(j)
      • P(f);OGATEB,P_SPINQ(e)::R(E),XQ(e)
      • P(j);SBLOCK::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).