MESON Chess Problem Database

Problem Display
PID: 190031 (nB6/2r1p3/1pp1k1Pp/1p2P1pP/1N1Q2K1/8/2N5/8 w - - 0 1)

van Dijk, Johannes

De Maasbode, 1913

nB6/2r1p3/1pp1k1Pp/1p2P1pP/1N1Q2K1/8/2N5/8

#2

8 + 9

6490 yacpdb 2019

SOLUTION

  • SOUND
  • Sets
    • 1...c5
      • 2.Qd5#
  • Tries
    • 1.Bxc7?
      • 1...c5
        • 2.Qd5#
      • 1...Sxc7!
  • Keys
    • 1.Qd8!
      • 1...Kxe5
        • 2.Qxe7#
      • 1...Rb7
        • 2.Sd4#
      • 1...Ra7
        • 2.Sd4#
      • 1...Rd7
        • 2.Qg8#
      • 1...Rc8
        • 2.Sd4#
        • 2.Qxc8#
      • 1...c5
        • 2.Qd5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • P(d);N_GUARD::QAB1(C)
  • Tries
    • Try
      • B(H);XR(g)
      • Vars
        • P(d);N_GUARD::QAB1(C)
      • Refutation
        • S(i);XB(H)
  • Actual
    • Q(C);
    • Vars
      • K(e);P-FLIGHT,P_SPINR(g),XP(E)::QAR2(C),XP(h)
      • R(g);::S(A)
      • R(g);SBLOCK::QAB(C)
      • P(d);N_GUARD::QAB1(C)
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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).