MESON Chess Problem Database

Problem Display
PID: 264075 (8/B2pn3/3pPpp1/1r1Pk3/qn3p2/5P1Q/3R1N1K/8 w - - 0 1)

Kele, Janos

Tijdschrift vd KNSB, 1954

8/B2pn3/3pPpp1/1r1Pk3/qn3p2/5P1Q/3R1N1K/8

#2

8 + 10

6490 yacpdb 2022

SOLUTION

  • SOUND
  • Sets
    • 1...Rxd5
      • 2.Re2#
    • 1...Sbxd5
      • 2.Sd3#
    • 1...Sexd5
      • 2.Bd4#
    • 1...Sf5
      • 2.Sg4#
    • 1...f5
      • 2.Qh8#
    • 1...dxe6
      • 2.Qxe6#
  • Keys
    • 1.exd7!
      • threat
        • 2.Qe6#
      • 1...Rxd5
        • 2.Re2#
      • 1...Sbxd5
        • 2.Sd3#
      • 1...Sexd5
        • 2.Bd4#
      • 1...f5
        • 2.Qh8#
      • 1...Sf5
        • 2.Sg4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 1
  • Sets
    • R(d);SBLOCK,XP(F)::R(A)
    • S(b);N_GUARD,SBLOCK,XP(F)::S(B)
    • S(j);SBLOCK,XP(F)::B(H)
    • S(j);SBLOCK::S(B)
    • P(g);OGATEB,SBLOCK::QAB(E)
    • P(i);OGATE,XP(G)::QAR1(E),XP(i)
  • Actual
    • P(G);XP(i)
    • Threat
      • QAR1(E)
    • Vars
      • R(d);SBLOCK,XP(F)::R(A)
      • S(b);N_GUARD,SBLOCK,XP(F)::S(B)
      • S(j);SBLOCK,XP(F)::B(H)
      • P(g);OGATEB,SBLOCK::QAB(E)
      • S(j);SBLOCK::S(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).