MESON Chess Problem Database

Problem Display
PID: 57810 (5K2/1p4B1/2pR4/2r2k2/Qp3p2/2nP1B1n/5pR1/8 w - - 0 1)

Rallo, Vito

Sandrucci, Paolo

Telescacco 92, 2000

5K2/1p4B1/2pR4/2r2k2/Qp3p2/2nP1B1n/5pR1/8

#2

7 + 9

SOLUTION

  • SOUND
  • Sets
    • 1...Re5
      • 2.Rf6#
    • 1...Sb1
      • 2.Be4#
    • 1...Sd1
      • 2.Be4#
    • 1...Sa2
      • 2.Be4#
    • 1...Se2
      • 2.Be4#
    • 1...Sxa4
      • 2.Be4#
    • 1...Se4
      • 2.Bxe4#
      • 2.dxe4#
    • 1...Sb5
      • 2.Be4#
    • 1...Sd5
      • 2.Be4#
    • 1...Sg5
      • 2.Bg4#
  • Tries
    • 1.Bd4?
      • threat
        • 2.Rf6#
      • 1...Se4
        • 2.Bxe4#
        • 2.dxe4#
      • 1...Sd5
        • 2.Be4#
      • 1...Re5!
  • Keys
    • 1.Qa8!
      • threat
        • 2.Qc8#
      • 1...Re5
        • 2.Rf6#
      • 1...Sg5
        • 2.Bg4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 7
  • Sets
    • R(f);SBLOCK::R1(E)
    • S(b);N_GUARD::B(C)
    • S(b);N_GUARD,XQ(D)::B(C)
    • S(c);SBLOCK::B(C)
  • Tries
    • Try
      • B(F);
      • Threat
        • R1(E)
      • Vars
        • S(b);N_GUARD::B(C)
      • Refutation
        • R(f);
  • Actual
    • Q(D);
    • Threat
      • QAB(D)
    • Vars
      • R(f);SBLOCK::R1(E)
      • S(c);SBLOCK::B(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).