MESON Chess Problem Database

Problem Display
PID: 181868 (8/2Np1K2/2Ppp3/2PB3Q/3k1p2/P2p4/3P4/8 w - - 0 1)

Havasi, Artur

Magyar Sakklap, 1905

8/2Np1K2/2Ppp3/2PB3Q/3k1p2/P2p4/3P4/8

#2

8 + 6

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...dxc5
      • 2.Sb5#
    • 1...exd5
      • 2.Qxd5#
    • 1...dxc6
      • 2.Sxe6#
  • Tries
    • 1.Qf3?
      • 1...Kxc5
        • 2.Qf2#
      • 1...Ke5
        • 2.Qe4#
      • 1...dxc5
        • 2.Qe4#
        • 2.Qxf4#
      • 1...exd5
        • 2.Qxd5#
      • 1...e5
        • 2.Qf2#
      • 1...dxc6!
  • Keys
    • 1.Qg5!
      • 1...Kxc5
        • 2.Qg1#
      • 1...dxc5
        • 2.Sb5#
        • 2.Qxf4#
      • 1...exd5
        • 2.Qxd5#
      • 1...dxc6
        • 2.Sxe6#
      • 1...f3
        • 2.Qe3#
      • 1...e5
        • 2.Qg1#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 1
  • Sets
    • P(d);SBLOCK,XP(C)::S(G)
    • P(e);OGATE,XB(D)::QAR1(E),XP(e)
    • P(f);N_GUARD,XP(F)::S(G),XP(e)
  • Tries
    • Try
      • Q(E);
      • Vars
        • K(b);S_FLIGHT,XP(C)::QAB(E)
        • K(b);S_FLIGHT::QAR1(E)
        • P(e);OGATE,XB(D)::QAR1(E),XP(e)
        • P(e);SBLOCK::QAB(E)
      • Refutation
        • P(f);XP(F)
  • Actual
    • Q(E);
    • Vars
      • K(b);S_FLIGHT,XP(C)::QAB(E)
      • P(e);OGATE,XB(D)::QAR1(E),XP(e)
      • P(f);N_GUARD,XP(F)::S(G),XP(e)
      • P(c);OGATE::QAB1(E)
      • P(e);SBLOCK::QAB(E)
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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).