MESON Chess Problem Database

Problem Display
PID: 184752 (8/1p2K3/p7/BBkp4/p7/3Q4/7p/8 w - - 0 1)

Brenander, Oskar Wilhelm

Tidskrift for Schack, 1908

8/1p2K3/p7/BBkp4/p7/3Q4/7p/8

#2

4 + 6

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...d4
      • 2.Qc4#
      • 2.Qf5#
    • 1...axb5
      • 2.Qc3#
  • Tries
    • 1.Bxa6?
      • threat
        • 2.Qc3#
      • 1...Kc6
        • 2.Qc2#
        • 2.Qb5#
        • 2.Qc3#
      • 1...d4
        • 2.Qc4#
        • 2.Qb5#
      • 1...bxa6!
    • 1.Qe3+?
      • 1...d4
        • 2.Qg5#
        • 2.Qe5#
      • 1...Kxb5!
    • 1.Qd4+?
      • 1...Kxb5
        • 2.Qxd5#
      • 1...Kxd4!
  • Keys
    • 1.Qd2!
      • threat
        • 2.Qb4#
      • 1...Kxb5
        • 2.Qxd5#
      • 1...axb5
        • 2.Qc3#
      • 1...d4
        • 2.Qg5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • P(e);SBLOCK,XB(C)::QAR2(A)
  • Tries
    • Try
      • B(C);XP(e)
      • Threat
        • QAR2(A)
      • Refutation
        • P(f);XB(C)
    • Try
      • Q(A);CHECK
      • Refutation
        • K(c);P-FLIGHT,XB(C)
    • Try
      • Q(A);CHECK
      • Vars
        • K(c);P-FLIGHT,XB(C)::QAR2(A),XP(d)
      • Refutation
        • K(c);S_FLIGHT,XQ(A)
  • Actual
    • Q(A);
    • Threat
      • QAB1(A)
    • Vars
      • K(c);P-FLIGHT,XB(C)::QAR2(A),XP(d)
      • P(e);SBLOCK,XB(C)::QAR2(A)
      • P(d);OGATEB,SBLOCK::QAR(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).