MESON Chess Problem Database

Problem Display
PID: 22223 (8/N2k4/Bn6/B4K2/8/Q7/8/8 w - - 0 1)

Wurzburg, Otto

The Chess Review, 1936

8/N2k4/Bn6/B4K2/8/Q7/8/8

#2

5 + 2

2786 More Fun with Chess Miniatures 2000

SOLUTION

  • SOUND
  • Sets
    • 1...Sa4
      • 2.Bb5#
    • 1...Sc4
      • 2.Bb5#
    • 1...Sd5
      • 2.Bb5#
    • 1...Sa8
      • 2.Bb5#
    • 1...Sc8
      • 2.Bb5#
  • Tries
    • 1.Bb5+?
      • 1...Kd8
        • 2.Bxb6#
        • 2.Qd6#
      • 1...Kc7!
    • 1.Qf8?
      • 1...Sa4
        • 2.Bb5#
        • 2.Bc8#
        • 2.Qd8#
      • 1...Sc4
        • 2.Bb5#
        • 2.Bc8#
        • 2.Qd8#
      • 1...Sd5
        • 2.Bb5#
        • 2.Bc8#
        • 2.Qd8#
      • 1...Sa8
        • 2.Bb5#
        • 2.Bc8#
        • 2.Qd8#
      • 1...Sc8
        • 2.Bb5#
        • 2.Bxc8#
        • 2.Qd8#
      • 1...Kc7!
  • Keys
    • 1.Sc8!
      • 1...Kc6
        • 2.Qd6#
      • 1...Kc7
        • 2.Qd6#
      • 1...Kd8
        • 2.Qe7#
      • 1...Ke8
        • 2.Qe7#
      • 1...Sxc8
        • 2.Bb5#
      • 1...Sa4
        • 2.Qxa4#
      • 1...Sc4
        • 2.Qa4#
      • 1...Sd5
        • 2.Qa4#
      • 1...Sa8
        • 2.Qa4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 4
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • S(a);::B(D)
  • Tries
    • Try
      • B(D);CHECK
      • Refutation
        • K(b);P-FLIGHT,P_SPINS(a)
    • Try
      • Q(A);
      • Refutation
        • K(b);P-FLIGHT,P_SPINS(a)
  • Actual
    • S(E);
    • Vars
      • K(b);S_FLIGHT::QAR1(A)
      • K(b);P-FLIGHT,P_SPINS(a)::QAB1(A)
      • S(a);SBLOCK,XS(E)::B(D)
      • S(a);N_GUARD::QAB(A),XS(a)
      • S(a);N_GUARD::QAB(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).