MESON Chess Problem Database

Problem Display
PID: 108935 (3Q4/Kp6/2p3q1/2k1p3/p1bN3R/P3N3/1r2P3/6BB w - - 0 1)

Mentasti, Gino

Tijdschrift vd KNSB, 1946

3Q4/Kp6/2p3q1/2k1p3/p1bN3R/P3N3/1r2P3/6BB

#2

9 + 8

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Qb1
      • 2.Qe7#
      • 2.Qf8#
    • 1...Qc2
      • 2.Qe7#
      • 2.Qf8#
    • 1...Qd3
      • 2.Qe7#
      • 2.Qf8#
    • 1...Qf5
      • 2.Qe7#
    • 1...Qh5
      • 2.Qe7#
      • 2.Qf8#
    • 1...Qxg1
      • 2.Qe7#
      • 2.Qf8#
    • 1...Qg2
      • 2.Qe7#
      • 2.Qf8#
    • 1...Qg3
      • 2.Qe7#
      • 2.Qf8#
    • 1...Qg8
      • 2.Qe7#
    • 1...Be6
      • 2.Qe7#
      • 2.Qf8#
  • Keys
    • 1.Sb5!
      • threat
        • 2.Qb6#
      • 1...Kxb5
        • 2.Qb6#
      • 1...Rxb5
        • 2.Sg2#
        • 2.Sg4#
        • 2.Rxc4#
      • 1...Bxb5
        • 2.Sg2#
      • 1...cxb5
        • 2.Sg4#
      • 1...b6
        • 2.Qxb6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 2
  • Sets
    • Q(g);N_GUARD::QAB(I)
  • Actual
    • S(F);
    • Threat
      • QAB1(I)
    • Vars
      • K(d);P-FLIGHT,XS(F)::QAR1(I)
      • B(c);SBLOCK,XS(F)::B(A)+S(E)
      • P(f);SBLOCK,XS(F)::B(A)+S(E)
      • P(h);::QAB1(I),XP(h)
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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).