MESON Chess Problem Database

Problem Display
PID: 107314 (6K1/5B2/8/8/3Nk1b1/8/3Q3B/8 w - - 0 1)

Zimmer, Eligiusz

Poponin-50 JT, 2006

6K1/5B2/8/8/3Nk1b1/8/3Q3B/8

#2

5 + 2

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Tries
    • 1.Sc2?
      • threat
        • 2.Qd5#
      • 1...Kf3
        • 2.Bd5#
      • 1...Kf5
        • 2.Qf4#
      • 1...Be6!
    • 1.Bc4?
      • threat
        • 2.Qf4#
        • 2.Qd3#
      • 1...Be2
        • 2.Qf4#
      • 1...Be6+!
  • Keys
    • 1.Sf5!
      • threat
        • 2.Qd5#
      • 1...Kf3
        • 2.Bd5#
      • 1...Kxf5
        • 2.Qf4#
      • 1...Bxf5
        • 2.Bd5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(C);
      • Threat
        • QAB1(A)
      • Vars
        • K(a);S_FLIGHT::B(D)
        • K(a);S_FLIGHT::QAR1(A)
      • Refutation
        • B(b);P_PINB(D)
    • Try
      • B(D);
      • Threat
        • DUALS(2)
      • Vars
        • B(b);::QAR1(A)
      • Refutation
        • B(b);CHECK
  • Actual
    • S(C);
    • Threat
      • QAB1(A)
    • Vars
      • K(a);S_FLIGHT::B(D)
      • K(a);S_FLIGHT,XS(C)::QAR1(A)
      • B(b);SBLOCK,XS(C)::B(D)
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).