MESON Chess Problem Database

Problem Display
PID: 270461 (rq3b2/2p1R3/1p3p2/3N2p1/1BP3Nr/4pB2/P1p1KP2/Qnk5 w - - 0 1)

Ersek, Tibor

Probleemblad, 2022

rq3b2/2p1R3/1p3p2/3N2p1/1BP3Nr/4pB2/P1p1KP2/Qnk5

#2

10 + 12

SOLUTION

  • SOUND
  • Sets
    • 1...Ra3
      • 2.Bxa3#
    • 1...exf2
      • 2.Bd2#
  • Tries
    • 1.Bc5?
      • threat
        • 2.Bxe3#
      • 1...exf2
        • 2.Be3#
      • 1...Ra3
        • 2.Bxa3#
      • 1...bxc5!
  • Keys
    • 1.Kxe3!
      • threat
        • 2.Bd2#
      • 1...Ra3+
        • 2.Bxa3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 1
  • Sets
    • R(j);N_GUARD::B(F),XR(j)
    • P(d);N_GUARD,XP(D)::B(F)
  • Tries
    • Try
      • B(F);
      • Threat
        • B(F),XP(d)
      • Vars
        • P(d);XP(D)::B(F)
        • R(j);N_GUARD::B(F),XR(j)
      • Refutation
        • P(g);XB(F)
  • Actual
    • K(C);P-FLIGHT,XP(d)
    • Threat
      • B(F)
    • Vars
      • R(j);CHECK,N_GUARD::B(F),XR(j)
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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).