MESON Chess Problem Database

Problem Display
PID: 95786 (8/5k1N/5b1P/5B1K/6Q1/8/8/8 w - - 0 1)

Stocchi, Ottavio

L'Italia Scacchistica, 1941

8/5k1N/5b1P/5B1K/6Q1/8/8/8

#2

5 + 2

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Be7
      • 2.Qg6#
  • Tries
    • 1.Qg7+?
      • 1...Ke8
        • 2.Qf8#
        • 2.Qd7#
      • 1...Bxg7!
    • 1.Qg8+?
      • 1...Ke7
        • 2.Qf8#
      • 1...Kxg8!
  • Keys
    • 1.Bc8!
      • threat
        • 2.Qe6#
      • 1...Ke7
        • 2.Qd7#
      • 1...Ke8
        • 2.Qd7#
      • 1...Be7
        • 2.Qg6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • B(a);SBLOCK::QAB1(A)
  • Tries
    • Try
      • Q(A);CHECK
      • Refutation
        • B(a);XQ(A)
    • Try
      • Q(A);CHECK
      • Vars
        • K(b);P-FLIGHT::QAB1(A)
      • Refutation
        • K(b);S_FLIGHT,XQ(A)
  • Actual
    • B(B);
    • Threat
      • QAB1(A)
    • Vars
      • K(b);P-FLIGHT::QAR1(A)
      • K(b);S_FLIGHT::QAB1(A)
      • B(a);SBLOCK::QAB1(A)
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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).