MESON Chess Problem Database

Problem Display
PID: 265827 (8/3p4/7Q/P2P4/k1K5/P2P4/4N3/8 w - - 0 1)

Witt, Andreas

StrateGems, 2022

8/3p4/7Q/P2P4/k1K5/P2P4/4N3/8

#2

7 + 2

SOLUTION

  • SOUND
  • Tries
    • 1.Sc3+?
      • 1...Kxa3
        • 2.Qc1#
      • 1...Kxa5!
  • Keys
    • 1.Qb6!
      • threat
        • 2.Qb4#
      • 1...Kxa3
        • 2.Qb3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(A);CHECK
      • Vars
        • K(a);N_GUARD,P-FLIGHT,XP(B)::QAB(G)
      • Refutation
        • K(a);P-FLIGHT,XP(E)
  • Actual
    • Q(G);
    • Threat
      • QAR1(G)
    • Vars
      • K(a);N_GUARD,P-FLIGHT,XP(B)::QAR1(G)
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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).