MESON Chess Problem Database

Problem Display
PID: 264076 (2R4Q/5p1N/3p4/3k1PpK/R7/4pn2/NbprB3/1r1b4 w - - 0 1)

Kele, Janos

Tijdschrift vd KNSB, 1953

2R4Q/5p1N/3p4/3k1PpK/R7/4pn2/NbprB3/1r1b4

#2

8 + 11

6490 yacpdb 2022

SOLUTION

  • SOUND
  • Sets
    • 1...Bc1
      • 2.Sc3#
    • 1...Ba3
      • 2.Sc3#
    • 1...Bc3
      • 2.Sxc3#
    • 1...Se5
      • 2.Sf6#
  • Keys
    • 1.Qe8!
      • threat
        • 2.Qb5#
        • 2.Qe4#
      • 1...Bxe2
        • 2.Qe4#
      • 1...c1Q
        • 2.Qe4#
      • 1...c1R
        • 2.Qe4#
      • 1...Rd4
        • 2.Sf6#
        • 2.Ra5#
      • 1...Ba1
        • 2.Qe4#
      • 1...Bc1
        • 2.Sc3#
        • 2.Sf6#
        • 2.Qe4#
      • 1...Ba3
        • 2.Sc3#
        • 2.Sf6#
        • 2.Qe4#
      • 1...Bc3
        • 2.Sxc3#
        • 2.Qe4#
      • 1...Bd4
        • 2.Bc4#
      • 1...Be5
        • 2.Qc6#
        • 2.Qxf7#
      • 1...Bf6
        • 2.Sxf6#
        • 2.Qe4#
      • 1...Bg7
        • 2.Qe4#
      • 1...Bh8
        • 2.Qe4#
      • 1...Sd4
        • 2.Sb4#
        • 2.Sf6#
      • 1...Se5
        • 2.Sf6#
        • 2.Qb5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 4
  • Sets
    • B(c);N_GUARD::S(A)
    • B(c);N_GUARD::S(A),XB(c)
    • S(g);P_PINB(B),SBLOCK,S_CUTB(c)::S(F)
  • Actual
    • Q(H);
    • Threat
      • DUALS(2)
    • Vars
      • B(b);XB(B)::QAB1(H)
      • P(d);::QAB1(H)
      • B(c);::QAB1(H)
      • B(c);SBLOCK::B(B)
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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).