MESON Chess Problem Database

Problem Display
PID: 160772 (1B3R2/8/3npb2/3pPBPp/3N1k1p/5p1P/3P4/K5Q1 w - - 0 1)

Ghirelli, Bruno

Chess, 1955

1B3R2/8/3npb2/3pPBPp/3N1k1p/5p1P/3P4/K5Q1

#2

10 + 8

SOLUTION

  • SOUND
  • Sets
    • 1...Kxe5
      • 2.Qe3#
    • 1...Bxg5
      • 2.Qh2#
  • Tries
    • 1.Qg4+?
      • 1...Kxe5
        • 2.Sxf3#
        • 2.Sc6#
      • 1...hxg4!
  • Keys
    • 1.Qe1!
      • 1...Kxg5
        • 2.Qe3#
      • 1...Bxe5
        • 2.Qxh4#
      • 1...Bxg5
        • 2.Sxe6#
      • 1...Sxf5
        • 2.Sxe6#
      • 1...exf5
        • 2.Se6#
      • 1...f2
        • 2.Qe3#
      • 1...Be7
        • 2.Sxe6#
      • 1...Bg7
        • 2.Sxe6#
      • 1...Bd8
        • 2.Sxe6#
      • 1...Bh8
        • 2.Sxe6#
      • 1...Sc4
        • 2.Qxh4#
      • 1...Se4
        • 2.Qxh4#
      • 1...Sb5
        • 2.Qxh4#
      • 1...Sb7
        • 2.Qxh4#
      • 1...Sf7
        • 2.Qxh4#
      • 1...Sc8
        • 2.Qxh4#
      • 1...Se8
        • 2.Qxh4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 1
    • ADDED MATES = 16
    • REMOVED MATES = 1
  • Sets
    • K(b);P_SPINS(f),S_FLIGHT,XP(F)::QAR2(B)
    • B(h);SBLOCK,XP(H)::QAB(B)
  • Tries
    • Try
      • Q(B);CHECK
      • Refutation
        • P(e);XQ(B)
  • Actual
    • Q(B);
    • Vars
      • K(b);S_FLIGHT,XP(H)::QAB(B)
      • B(h);P_PINS(E),SBLOCK,XP(F)::QAR2(B),XP(c)
      • B(h);XP(H)::S(E),XP(g)
      • S(f);SBLOCK,XB(G)::S(E),XP(g)
      • P(g);SBLOCK,XB(G)::S(E)
      • P(a);::QAB1(B)
      • B(h);::S(E),XP(g)
      • S(f);::QAR2(B),XP(c)
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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).