MESON Chess Problem Database

Problem Display
PID: 96674 (1q6/3p4/1p1r4/1p2RPp1/2pk4/R4B2/2P2b1Q/K4N1n w - - 0 1)

Riczu, Lajos

Problemas, 1980

1q6/3p4/1p1r4/1p2RPp1/2pk4/R4B2/2P2b1Q/K4N1n

#2

8 + 10

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Rd5
      • 2.Rxd5#
    • 1...Rc6
      • 2.Rd5#
    • 1...Re6
      • 2.Rd5#
    • 1...Rf6
      • 2.Rd5#
    • 1...Rg6
      • 2.Rd5#
    • 1...Rh6
      • 2.Rd5#
    • 1...g4
      • 2.Qf4#
  • Keys
    • 1.Rxb5!
      • threat
        • 2.Qe5#
      • 1...c3
        • 2.Ra4#
      • 1...Qe8
        • 2.Qxd6#
      • 1...Qh8
        • 2.Qxd6#
      • 1...Rd5
        • 2.Rxd5#
      • 1...Rc6
        • 2.Rd5#
      • 1...Re6
        • 2.Rd5#
      • 1...Rf6
        • 2.Rd5#
      • 1...Rg6
        • 2.Rd5#
      • 1...Rh6
        • 2.Rd5#
      • 1...Bg3
        • 2.Qd2#
      • 1...Sg3
        • 2.Qxf2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 1
  • Sets
    • R(h);N_GUARD::R1(G),XR(h)
    • R(h);N_GUARD::R1(G)
    • P(f);N_GUARD::QAR2(D)
  • Actual
    • R(G);XP(e)
    • Threat
      • QAB1(D)
    • Vars
      • P(c);OGATEB,SBLOCK::R(E)
      • Q(j);N_GUARD::QAR2(D),XR(h)
      • R(h);N_GUARD::R1(G),XR(h)
      • R(h);N_GUARD::R1(G)
      • B(b);OGATE::QAR2(D)
      • S(a);N_GUARD::QAB(D),XB(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).