MESON Chess Problem Database

Problem Display
PID: 97091 (8/3p4/1np1Pp2/3k4/n6R/2P2K1B/1p1P3Q/1N2R1B1 w - - 0 1)

Stocchi, Ottavio

Il Problema, 1931

8/3p4/1np1Pp2/3k4/n6R/2P2K1B/1p1P3Q/1N2R1B1

#2

10 + 7

102 Probleemblad 1974
6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Sxc3
      • 2.Sxc3#
    • 1...Sc5
      • 2.Rd4#
    • 1...Sa8
      • 2.c4#
    • 1...Sc8
      • 2.c4#
    • 1...f5
      • 2.Qe5#
    • 1...dxe6
      • 2.Bxe6#
  • Tries
    • 1.exd7?
      • threat
        • 2.Be6#
      • 1...Sc5
        • 2.Rd4#
      • 1...f5
        • 2.Qe5#
      • 1...c5!
  • Keys
    • 1.Bg2!
      • 1...Sxc3
        • 2.Sxc3#
      • 1...dxe6
        • 2.Ke2#
      • 1...c5
        • 2.Kf2#
      • 1...Sc4
        • 2.Kg4#
      • 1...Sc5
        • 2.Rd4#
      • 1...Sa8
        • 2.c4#
      • 1...Sc8
        • 2.c4#
      • 1...f5
        • 2.Qe5#
      • 1...d6
        • 2.Kg3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 1
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • S(b);XP(F)::S(A),XS(b)
    • S(b);SBLOCK::R1(I)
    • S(d);N_GUARD::P(F)
    • P(f);N_GUARD::QAR1(E)
    • P(g);OGATE,XP(J)::B(H),XP(g)
  • Tries
    • Try
      • P(J);XP(g)
      • Threat
        • B(H)
      • Vars
        • S(b);SBLOCK::R1(I)
        • P(f);N_GUARD::QAR1(E)
      • Refutation
        • P(e);
  • Actual
    • B(H);
    • Vars
      • S(b);XP(F)::S(A),XS(b)
      • P(g);SBLOCK,XP(J)::B(H)+K(G)
      • P(e);SBLOCK::B(H)+K(G)
      • S(d);SBLOCK::B(H)+K(G)
      • S(b);SBLOCK::R1(I)
      • S(d);N_GUARD::P(F)
      • P(f);N_GUARD::QAR1(E)
      • P(g);SBLOCK::B(H)+K(G)
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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).