MESON Chess Problem Database

Problem Display
PID: 50342 (8/3K4/8/3k1p2/1Q2p3/n5B1/8/8 w - - 0 1)

Zimmer, Eligiusz

StrateGems, 2003

8/3K4/8/3k1p2/1Q2p3/n5B1/8/8

#2

3 + 4

SOLUTION

  • SOUND
  • Tries
    • 1.Bf2?
      • threat
        • 2.Qc5#
        • 2.Qd4#
      • 1...Ke5
        • 2.Qd6#
      • 1...Sc2
        • 2.Qc5#
        • 2.Qb5#
      • 1...Sc4
        • 2.Qc5#
        • 2.Qb5#
      • 1...Sb5
        • 2.Qc5#
        • 2.Qxb5#
      • 1...e3!
  • Keys
    • 1.Be5!
      • threat
        • 2.Qd4#
      • 1...Kxe5
        • 2.Qd6#
      • 1...Sc2
        • 2.Qb5#
      • 1...Sc4
        • 2.Qb5#
      • 1...Sb5
        • 2.Qxb5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(A);
      • Threat
        • DUALS(2)
      • Vars
        • K(c);P-FLIGHT::QAB1(B)
      • Refutation
        • P(b);
  • Actual
    • B(A);
    • Threat
      • QAR1(B)
    • Vars
      • K(c);P-FLIGHT,XB(A)::QAB1(B)
      • S(a);N_GUARD::QAR2(B)
      • S(a);N_GUARD::QAR2(B),XS(a)
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).