MESON Chess Problem Database

Problem Display
PID: 63013 (2b1R3/4N3/3Bp2b/3P4/1P1k2p1/1npPp1p1/2P1R3/4K1N1 w - - 0 1)

Praagman, J

Schakend Nederland, 1961

2b1R3/4N3/3Bp2b/3P4/1P1k2p1/1npPp1p1/2P1R3/4K1N1

#2

10 + 9

SOLUTION

  • SOUND
  • Sets
    • 1...exd5
      • 2.Sc6#
  • Keys
    • 1.Rxe3!
      • threat
        • 2.Re4#
      • 1...Kxe3
        • 2.Sf5#
      • 1...Bxe3
        • 2.Se2#
      • 1...exd5
        • 2.Sc6#
      • 1...Sd2
        • 2.Bc5#
      • 1...Sc5
        • 2.Bxc5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • P(g);SBLOCK,XP(G)::S(I)
  • Actual
    • R(D);XP(c)
    • Threat
      • R1(D)
    • Vars
      • K(e);S_FLIGHT,XR(D)::S(I)
      • B(h);SBLOCK,XR(D)::S(B)
      • P(g);SBLOCK,XP(G)::S(I)
      • S(a);N_GUARD::B(H)
      • S(a);N_GUARD::B(H),XS(a)
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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).