MESON Chess Problem Database

Problem Display
PID: 174209 (4R3/B7/8/1N3p1K/Q4p2/1p3kp1/1P4pp/6bn w - - 0 1)

Buchner, Richard

Westfalische Allgemeine Volkszeitung, 1927

4R3/B7/8/1N3p1K/Q4p2/1p3kp1/1P4pp/6bn

#2

6 + 9

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Sf2
      • 2.Sd4#
  • Tries
    • 1.Qc4?
      • threat
        • 2.Qe2#
        • 2.Qd5#
        • 2.Qc6#
      • 1...Bxa7
        • 2.Qe2#
      • 1...Bd4
        • 2.Qe2#
      • 1...Bc5
        • 2.Qe2#
      • 1...Bb6
        • 2.Qe2#
      • 1...Sf2
        • 2.Sd4#
        • 2.Qe2#
      • 1...Be3!
  • Keys
    • 1.Bf2!
      • 1...Kxf2
        • 2.Qxf4#
      • 1...Bxf2
        • 2.Qa8#
      • 1...Sxf2
        • 2.Sd4#
      • 1...gxf2
        • 2.Qxb3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • S(b);SBLOCK,S_CUTB(a)::S(C)
  • Tries
    • Try
      • Q(B);
      • Threat
        • DUALS(3)
      • Vars
        • B(a);XB(E)::QAB1(B)
        • B(a);::QAB1(B)
      • Refutation
        • B(a);
  • Actual
    • B(E);
    • Vars
      • K(f);P-FLIGHT,XB(E)::QAR2(B),XP(h)
      • B(a);SBLOCK,XB(E)::QAB(B)
      • S(b);SBLOCK,XB(E)::S(C)
      • P(g);SBLOCK,XB(E)::QAR(B),XP(e)
HTML5 logo

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).