MESON Chess Problem Database

Problem Display
PID: 184886 (2B2KQ1/3N4/b2p3p/5k2/5p2/3npN2/8/8 w - - 0 1)

Kosek, Wojtech

Pesti Hirlap, 1908

2B2KQ1/3N4/b2p3p/5k2/5p2/3npN2/8/8

#2

5 + 7

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Tries
    • 1.Sc5+?
      • 1...Kf6
        • 2.Se4#
        • 2.Qe6#
        • 2.Qf7#
        • 2.Qg7#
      • 1...Bxc8!
    • 1.Sde5+?
      • 1...Kf6
        • 2.Sg4#
        • 2.Qe6#
        • 2.Qf7#
        • 2.Qg6#
        • 2.Qg7#
        • 2.Qh8#
      • 1...Bxc8
        • 2.Qg6#
      • 1...Ke4!
    • 1.Sb6+?
      • 1...Ke4
        • 2.Qd5#
      • 1...Kf6
        • 2.Sd5#
        • 2.Qe6#
        • 2.Qf7#
        • 2.Qg7#
      • 1...Bxc8!
    • 1.Sf6+?
      • 1...Kxf6
        • 2.Qe6#
        • 2.Qf7#
        • 2.Qg7#
      • 1...Bxc8!
    • 1.Qh7+?
      • 1...Ke6
        • 2.Qf7#
      • 1...Kg4!
    • 1.Qg4+?
      • 1...Ke4
        • 2.Sf6#
      • 1...Kxg4!
  • Keys
    • 1.Qg2!
      • threat
        • 2.Sd4#
      • 1...Ke4
        • 2.Sf6#
      • 1...Ke6
        • 2.Sd4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(B);CHECK
      • Refutation
        • B(e);XB(C)
    • Try
      • S(B);CHECK
      • Vars
        • B(e);XB(C)::QAB1(E)
      • Refutation
        • K(d);S_FLIGHT
    • Try
      • S(B);CHECK
      • Vars
        • K(d);S_FLIGHT::QAB1(E)
      • Refutation
        • B(e);XB(C)
    • Try
      • S(B);CHECK
      • Refutation
        • B(e);XB(C)
    • Try
      • Q(E);CHECK
      • Vars
        • K(d);S_FLIGHT::QAB1(E)
      • Refutation
        • K(d);S_FLIGHT
    • Try
      • Q(E);CHECK
      • Vars
        • K(d);P_SPINP(c),S_FLIGHT::S(B)
      • Refutation
        • K(d);S_FLIGHT,XQ(E)
  • Actual
    • Q(E);
    • Threat
      • S(A)
    • Vars
      • K(d);S_FLIGHT::S(B)
      • K(d);S_FLIGHT::S(A)
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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).