MESON Chess Problem Database

Problem Display
PID: 243463 (8/2nK2Q1/4PP2/5k2/R4b2/8/B1P5/B7 w - - 0 1)

Buchwald, Julius

Chess World (The), 1947

8/2nK2Q1/4PP2/5k2/R4b2/8/B1P5/B7

#2

8 + 3

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Bc1
      • 2.Qg4#
    • 1...Bd2
      • 2.Qg4#
    • 1...Bh2
      • 2.Qg4#
    • 1...Be3
      • 2.Qg4#
    • 1...Bg3
      • 2.Qg4#
    • 1...Bg5
      • 2.Qh7#
    • 1...Bd6
      • 2.Qg4#
    • 1...Bh6
      • 2.Qg4#
    • 1...Sxe6
      • 2.Bxe6#
  • Keys
    • 1.Bb1!
      • threat
        • 2.c4#
      • 1...Be5
        • 2.c3#
      • 1...Bc1
        • 2.Qg4#
      • 1...Bd2
        • 2.Qg4#
      • 1...Bh2
        • 2.Qg4#
      • 1...Be3
        • 2.Qg4#
      • 1...Bg3
        • 2.Qg4#
      • 1...Bg5
        • 2.Qh7#
      • 1...Bd6
        • 2.Qg4#
      • 1...Bh6
        • 2.Qg4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 1
  • Sets
    • B(a);::QAB1(H)
    • B(a);SBLOCK::QAB(H)
    • S(c);OGATE,XP(E)::B(B),XS(c)
  • Actual
    • B(B);
    • Threat
      • B(B)+P(C)
    • Vars
      • B(a);SBLOCK::B(B)+P(C)
      • B(a);::QAB1(H)
      • B(a);SBLOCK::QAB(H)
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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).