MESON Chess Problem Database

Problem Display
PID: 198173 (8/8/3B4/p1N1bN2/2kp1n1R/6Q1/1Rp3BK/n7 w - - 0 1)

Guidelli, Giorgio

L'Italia Scacchistica, 1920

8/8/3B4/p1N1bN2/2kp1n1R/6Q1/1Rp3BK/n7

#2

8 + 7

6490 yacpdb 2019

SOLUTION

  • SOUND
  • Sets
    • 1...Sb3
      • 2.Qxb3#
    • 1...Sd5
      • 2.Bf1#
    • 1...d3
      • 2.Qxd3#
  • Keys
    • 1.Sa4!
      • threat
        • 2.Sb6#
      • 1...Bxd6
        • 2.Sxd6#
      • 1...Sb3
        • 2.Qxb3#
      • 1...Sd3
        • 2.Se3#
      • 1...Sd5
        • 2.Bf1#
      • 1...d3
        • 2.Qg8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • S(a);N_GUARD::QAB1(D),XS(a)
    • S(e);N_GUARD,P_PINQ(D),P_SPINP(d),SBLOCK::B(B)
    • P(d);P_SPINS(e)::QAB1(D),XP(d)
  • Actual
    • S(F);
    • Threat
      • S(F)
    • Vars
      • B(g);XB(H)::S(G),XB(g)
      • S(a);N_GUARD::QAB1(D),XS(a)
      • S(e);P_PINQ(D),P_SPINP(d),SBLOCK::S(G)
      • S(e);N_GUARD,P_PINQ(D),P_SPINP(d),SBLOCK::B(B)
      • P(d);P_SPINS(e),SBLOCK::QAB(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).