MESON Chess Problem Database

Problem Display
PID: 17267 (4rnnN/1BR3b1/4k1bR/2P1r1P1/5p2/2NQ4/1B2P3/1K6 w - - 0 1)

Stocchi, Ottavio

L'Italia Scacchistica, 1928

4rnnN/1BR3b1/4k1bR/2P1r1P1/5p2/2NQ4/1B2P3/1K6

#2

11 + 8

SOLUTION

  • SOUND
  • Sets
    • 1...Re4
      • 2.Qd5#
    • 1...Rf5
      • 2.Qd6#
    • 1...Re7
      • 2.Rc6#
  • Keys
    • 1.Sd5!
      • threat
        • 2.Sxf4#
      • 1...Rxd5
        • 2.Bxd5#
      • 1...Re4
        • 2.Qh3#
      • 1...Rf5
        • 2.Qa6#
      • 1...Sd7
        • 2.Rc6#
      • 1...f3
        • 2.Sf4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 2
    • ADDED MATES = 3
    • REMOVED MATES = 1
  • Sets
    • R(b);N_PINQ(E)::QAB1(E)
    • R(b);N_PINQ(E),SBLOCK::QAR1(E)
    • R(f);SBLOCK::R(J)
  • Actual
    • S(D);
    • Threat
      • S(D),XP(a)
    • Vars
      • R(b);OGATE,XS(D)::B(I),XR(b)
      • R(b);N_PINQ(E)::QAB(E)
      • R(b);N_PINQ(E),SBLOCK::QAR(E)
      • S(g);SBLOCK::R(J)
      • P(a);::S(D)
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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).