MESON Chess Problem Database

Problem Display
PID: 175704 (8/2pp4/2N5/R1Pk1P2/1n2p3/1K6/2Pb3Q/8 w - - 0 1)

Kvicala, Josef

Nove parizske mody, 1898

8/2pp4/2N5/R1Pk1P2/1n2p3/1K6/2Pb3Q/8

#2

7 + 6

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...e3
      • 2.Qh1#
      • 2.Qg2#
  • Tries
    • 1.Qxc7?
      • threat
        • 2.Qd6#
        • 2.Qxd7#
        • 2.c4#
      • 1...Sxc2
        • 2.Qd6#
        • 2.Qxd7#
      • 1...Sxc6
        • 2.Qd6#
      • 1...dxc6
        • 2.Qd6#
      • 1...Bc3
        • 2.Qd6#
        • 2.Qxd7#
      • 1...Bf4
        • 2.c4#
      • 1...d6
        • 2.Qxd6#
        • 2.c4#
        • 2.cxd6#
      • 1...e3!
  • Keys
    • 1.Qh8!
      • threat
        • 2.Se7#
      • 1...Kxc6
        • 2.Qa8#
      • 1...Sxc6
        • 2.c4#
      • 1...dxc6
        • 2.c4#
      • 1...e3
        • 2.Qh1#
      • 1...Bg5
        • 2.Sxb4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(B);XP(e)
      • Threat
        • DUALS(3)
      • Vars
        • S(b);XS(G)::QAR1(B)
        • P(f);XS(G)::QAR1(B)
        • B(a);::P(A)
      • Refutation
        • P(c);
  • Actual
    • Q(B);
    • Threat
      • S(G)
    • Vars
      • K(d);OGATEB,S_FLIGHT,XS(G)::QAB(B)
      • S(b);SBLOCK,XS(G)::P(A)
      • P(f);SBLOCK,XS(G)::P(A)
      • P(c);OGATEB::QAB(B)
      • B(a);N_GUARD::S(G),XS(b)
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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).