MESON Chess Problem Database

Problem Display
PID: 20965 (4B3/3Np2n/4k1p1/2Pr1NPn/3p1PP1/8/Q1P5/b2K4 w - - 0 1)

Weenink, Henri Gerard Maria

Op de Hoogte, 1914

4B3/3Np2n/4k1p1/2Pr1NPn/3p1PP1/8/Q1P5/b2K4

#2

10 + 8

16055 HGM Weenink (Euwe/Niemeijer/Rueb/Trotsenburg) 1932

SOLUTION

  • SOUND
  • Sets
    • 1...Sg3
      • 2.Sg7#
    • 1...Sxf4
      • 2.Sg7#
    • 1...S5f6
      • 2.Sg7#
    • 1...Sg7
      • 2.Sxg7#
    • 1...S7f6
      • 2.Sf8#
    • 1...Sf8
      • 2.Sxf8#
  • Keys
    • 1.c4!
      • threat
        • 2.cxd5#
      • 1...dxc4 ep+
        • 2.Sd4#
      • 1...Rxc5
        • 2.Sxc5#
      • 1...Rxf5
        • 2.Qa6#
      • 1...Rxd7
        • 2.Qe2#
      • 1...Sxf4
        • 2.Sg7#
      • 1...Re5
        • 2.Qa6#
      • 1...Rd6
        • 2.Qe2#
      • 1...S5f6
        • 2.Sg7#
      • 1...S7f6
        • 2.Sf8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 3
  • Sets
    • S(d);N_GUARD::S(G)
    • S(d);N_GUARD,XP(D)::S(G)
    • S(d);N_GUARD::S(G),XS(d)
    • S(h);N_GUARD::S(I)
    • S(h);N_GUARD::S(I),XS(h)
  • Actual
    • P(C);N_PINR(c)
    • Threat
      • P(C),XR(c)
    • Vars
      • P(b);CHECK,EP,P_SPINR(c),S_CUTB(a),XP(C)::S(G)
      • R(c);XP(F)::S(I),XR(c)
      • R(c);N_GUARD,XS(G)::QAR(B)
      • R(c);N_GUARD,XS(I)::QAR(B)
      • S(d);N_GUARD,XP(D)::S(G)
      • R(c);N_GUARD::QAR(B)
      • S(d);N_GUARD::S(G)
      • S(h);N_GUARD::S(I)
HTML5 logo

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).