MESON Chess Problem Database

Problem Display
PID: 206557 (4R3/KQ2p1r1/3pR3/2PP2B1/1p1kNP2/1P3p2/2P5/1B3N2 w - - 0 1)

van Dijk, Johannes

Magyar Sakkvilag, 1925

4R3/KQ2p1r1/3pR3/2PP2B1/1p1kNP2/1P3p2/2P5/1B3N2

#2

13 + 6

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Keys
    • 1.Rxd6!
      • threat
        • 2.Qxb4#
      • 1...Kxe4
        • 2.c3#
      • 1...exd6
        • 2.Bf6#
      • 1...e5
        • 2.dxe5 ep#
      • 1...e6
        • 2.dxe6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Actual
    • R(J);XP(d)
    • Threat
      • QAR2(L),XP(b)
    • Vars
      • K(c);P-FLIGHT,P_SPINP(e),XS(E)::B(A)+P(C)
      • P(e);N_GUARD,P_PINQ(L),XR(J)::B(I)
      • P(e);OGATE,P_PINQ(L)::R(J)+P(H),XP(e),EP
      • P(e);OGATE,P_PINQ(L)::R(J)+P(H),XP(e)
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Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) & CSS/Javascript (jQuery, Bootstrap & DataTables).