MESON Chess Problem Database

Problem Display
PID: 66258 (5K2/5B2/2p5/2N1kpP1/3p1R2/B7/Q1b4P/2b5 w - - 0 1)

Beets, H

Tijdschrift vd NSB, 1896

5K2/5B2/2p5/2N1kpP1/3p1R2/B7/Q1b4P/2b5

#2

8 + 6

SOLUTION

  • SOUND
  • Sets
    • 1...Bxf4
      • 2.Qe6#
    • 1...Bd1
      • 2.Sd3#
    • 1...Bb3
      • 2.Sd3#
    • 1...Bd3
      • 2.Sxd3#
    • 1...Ba4
      • 2.Sd3#
  • Tries
    • 1.Rh4?
      • threat
        • 2.Sd7#
        • 2.Qe6#
      • 1...Bxa3
        • 2.Qe6#
      • 1...f4
        • 2.Qe6#
      • 1...Bf4
        • 2.Qe6#
      • 1...Bb3
        • 2.Sd3#
        • 2.Sd7#
      • 1...Kd6!
  • Keys
    • 1.Qb3!
      • threat
        • 2.Qb8#
      • 1...Kxf4
        • 2.Qg3#
      • 1...Kd6
        • 2.Qb8#
      • 1...Bxb3
        • 2.Sd3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 4
  • Sets
    • B(a);SBLOCK,XR(D)::QAR1(A)
    • B(b);N_GUARD::S(E)
    • B(b);N_GUARD::S(E),XB(b)
  • Tries
    • Try
      • R(D);
      • Threat
        • DUALS(2)
      • Vars
        • B(a);P_PINS(E),XB(C)::QAR1(A)
        • P(e);::QAR1(A)
        • B(a);::QAR1(A)
      • Refutation
        • K(d);S_FLIGHT
  • Actual
    • Q(A);
    • Threat
      • QAB(A)
    • Vars
      • K(d);OGATEB,S_FLIGHT,XR(D)::QAB1(A)
      • K(d);S_FLIGHT::QAB(A)
      • B(b);N_GUARD,XQ(A)::S(E)
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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).