MESON Chess Problem Database

Problem Display
PID: 234040 (4Nn2/p2pp2B/K1Q3r1/2bp2nq/1p1pk1P1/3Np3/4P3/8 w - - 0 1)

Piatesi, Antonio

Comm., Il Due Mosse 02. TT, 1953-1954

4Nn2/p2pp2B/K1Q3r1/2bp2nq/1p1pk1P1/3Np3/4P3/8

#2

7 + 13

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...e5
      • 2.Sf6#
    • 1...e6
      • 2.Sf6#
  • Keys
    • 1.Qf6!
      • threat
        • 2.Sxc5#
      • 1...exf6
        • 2.Sxf6#
      • 1...Bb6
        • 2.Qe5#
        • 2.Qf4#
        • 2.Qf5#
      • 1...Bd6
        • 2.Qf5#
      • 1...Sge6
        • 2.Qf3#
      • 1...Sfe6
        • 2.Qe5#
        • 2.Qf5#
      • 1...d6
        • 2.Qf4#
        • 2.Qf5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 2
  • Sets
    • P(l);N_GUARD::S(G)
    • P(l);N_GUARD,N_PINQ(E)::S(G)
  • Actual
    • Q(E);N_PINP(f)
    • Threat
      • S(B),XB(e)
    • Vars
      • P(l);XQ(E)::S(G),XP(l)
      • B(e);N_PINQ(E)::QAB1(E)
      • S(g);N_PINQ(E)::QAB1(E)
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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).