MESON Chess Problem Database

Problem Display
PID: 225642 (1rbR1n2/B1rn4/pPP5/2RPP2Q/3kNp1N/5PP1/B2K4/8 w - - 0 1)

Nedashkovski, Mikhail Petrovich

Praca, 2000

1rbR1n2/B1rn4/pPP5/2RPP2Q/3kNp1N/5PP1/B2K4/8

#2

14 + 8

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Sxb6
      • 2.Rc4#
    • 1...Sf6
      • 2.Rc4#
  • Tries
    • 1.gxf4?
      • threat
        • 2.Sf5#
      • 1...Sxe5
        • 2.Qxe5#
      • 1...Sxb6
        • 2.Rc4#
      • 1...Sf6
        • 2.Rc4#
      • 1...Sxc5!
  • Keys
    • 1.Rc3!
      • threat
        • 2.Rd3#
      • 1...Sxe5
        • 2.b7#
      • 1...Sc5
        • 2.Rc4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 2
  • Sets
    • S(e);XP(K)::R1(G)
    • S(e);::R1(G)
  • Tries
    • Try
      • P(D);XP(b)
      • Threat
        • S(F)
      • Vars
        • S(e);OGATE,XP(I)::QAB1(J),XS(e)
        • S(e);XP(K)::R1(G)
        • S(e);::R1(G)
      • Refutation
        • S(e);XR(G)
  • Actual
    • R(G);
    • Threat
      • R1(G)
    • Vars
      • S(e);N_GUARD,XP(I)::B(M)+P(K)
      • S(e);::R1(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).