MESON Chess Problem Database

Problem Display
PID: 261964 (5B1N/4pP2/4BrPp/1N2kP1Q/5p2/5K2/8/8 w - - 0 1)

Riczu, Lajos

Problemnoter, 1964

5B1N/4pP2/4BrPp/1N2kP1Q/5p2/5K2/8/8

#2

9 + 5

6490 yacpdb 2022

SOLUTION

  • SOUND
  • Sets
    • 1...Rxf5
      • 2.Qxf5#
  • Keys
    • 1.Bxe7!
      • threat
        • 2.Bd6#
      • 1...Rxf5
        • 2.Qxf5#
      • 1...Rxe6
        • 2.f6#
      • 1...Rxg6
        • 2.Sxg6#
      • 1...Rxf7
        • 2.Sxf7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • R(c);OGATE,P_SPINR(c),XP(C)::QAR1(D),XR(c)
  • Actual
    • B(H);XP(e)
    • Threat
      • B(H)
    • Vars
      • R(c);OGATE,P_SPINR(c),XP(C)::QAR1(D),XR(c)
      • R(c);OGATE,SBLOCK,XB(E)::QAR(D)+P(C)
      • R(c);XP(F)::S(I),XR(c)
      • R(c);XP(G)::S(I),XR(c)
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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).