MESON Chess Problem Database

Problem Display
PID: 196734 (4bN2/2p1R3/2P3p1/4n3/R2pNk2/7B/2PP2P1/bQ3K2 w - - 0 1)

Nield, Joshua

L'Italia Scacchistica, 1919

4bN2/2p1R3/2P3p1/4n3/R2pNk2/7B/2PP2P1/bQ3K2

#2

11 + 7

6490 yacpdb 2019

SOLUTION

  • SOUND
  • Sets
    • 1...Sf3
      • 2.g3#
    • 1...Sf7
      • 2.Sxg6#
    • 1...d3
      • 2.Se6#
  • Keys
    • 1.Qb5!
      • threat
        • 2.Qxe5#
      • 1...Kxe4
        • 2.Qxe5#
      • 1...Sxc6
        • 2.Qg5#
      • 1...Sd3
        • 2.Qg5#
      • 1...Sf3
        • 2.g3#
      • 1...Sc4
        • 2.Qg5#
      • 1...Sg4
        • 2.Qg5#
      • 1...Sd7
        • 2.Qg5#
      • 1...Sf7
        • 2.Sxg6#
      • 1...d3
        • 2.Se6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
    • S(d);SBLOCK::P(E)
    • S(d);N_GUARD,S_CUTB(g)::S(K),XP(e)
    • P(b);::S(K)
  • Actual
    • Q(A);
    • Threat
      • QAB1(A),XS(d)
    • Vars
      • K(c);P-FLIGHT,P_SPINP(b),P_SPINS(d),XS(H)::QAR1(A),XS(d)
      • S(d);OGATE,XP(I)::QAB1(A)
      • S(d);OGATE::QAB1(A)
      • S(d);SBLOCK::P(E)
      • S(d);N_GUARD,S_CUTB(g)::S(K),XP(e)
      • P(b);::S(K)
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).