MESON Chess Problem Database

Problem Display
PID: 6849 (3K3k/4Q2N/5pp1/8/2B4b/8/8/1b6 w - - 0 1)

Pimenov, Sergey Ivanovich

Pimenov, Vitaly Ivanovich

Die Schwalbe, 1934

3K3k/4Q2N/5pp1/8/2B4b/8/8/1b6

#2

4 + 5

SOLUTION

  • SOUND
  • Tries
    • 1.Sxf6?
      • threat
        • 2.Qf8#
        • 2.Qh7#
      • 1...g5
        • 2.Qf8#
      • 1...Bxf6!
  • Keys
    • 1.Sf8!
      • threat
        • 2.Qh7#
      • 1...f5
        • 2.Sxg6#
      • 1...g5
        • 2.Qxf6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(C);XP(c)
      • Threat
        • DUALS(2)
      • Vars
        • P(d);::QAR2(B)
      • Refutation
        • B(b);P_PINQ(B),XS(C)
  • Actual
    • S(C);
    • Threat
      • QAR1(B)
    • Vars
      • P(c);P_PINQ(B),S_CUTB(a)::S(C),XP(d)
      • P(d);S_CUTB(b)::QAB(B),XP(c)
HTML5 logo

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).