MESON Chess Problem Database

Problem Display
PID: 181071 (2N5/1K4B1/2P1k3/1pp2N2/6B1/7Q/5r2/5r2 w - - 0 1)

Kosek, Wojtech

Nedele, 1904

2N5/1K4B1/2P1k3/1pp2N2/6B1/7Q/5r2/5r2

#2

7 + 5

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Tries
    • 1.Sfd6+?
      • 1...Kd5
        • 2.Be6#
        • 2.Qd3#
      • 1...Rf5!
    • 1.Sh6+?
      • 1...Kd5
        • 2.Qd3#
      • 1...Rf5!
    • 1.Qe3+?
      • 1...Kd5
        • 2.Sb6#
      • 1...Kf7!
  • Keys
    • 1.Qh7!
      • threat
        • 2.Qg8#
      • 1...Kd5
        • 2.Se3#
      • 1...Kf7
        • 2.Sfd6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(C);CHECK
      • Refutation
        • R(b);P_SPINR(b)
    • Try
      • S(C);CHECK
      • Vars
        • K(e);S_FLIGHT::QAR2(A)
      • Refutation
        • R(b);P_SPINR(b)
    • Try
      • Q(A);CHECK
      • Vars
        • K(e);S_FLIGHT::S(G)
      • Refutation
        • K(e);S_FLIGHT
  • Actual
    • Q(A);
    • Threat
      • QAB(A)
    • Vars
      • K(e);S_FLIGHT::S(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).