MESON Chess Problem Database

Problem Display
PID: 96351 (4R2n/b2rp1K1/1q1pPp2/1p5N/2P1k1Bp/3p1p1n/1Q6/B2N4 w - - 0 1)

Delobel, Bernard

Problemesis, 2004

4R2n/b2rp1K1/1q1pPp2/1p5N/2P1k1Bp/3p1p1n/1Q6/B2N4

#2

9 + 13

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...d2
      • 2.Qb1#
      • 2.Qc2#
  • Keys
    • 1.Qxf6!
      • threat
        • 2.Bxf3#
        • 2.Bf5#
        • 2.Qxf3#
        • 2.Qf5#
      • 1...exf6+
        • 2.exd7#
      • 1...bxc4
        • 2.Bxf3#
        • 2.Qxf3#
        • 2.Qf5#
      • 1...d2
        • 2.Bf5#
        • 2.Qxf3#
        • 2.Qf5#
      • 1...Qg1
        • 2.Qxf3#
        • 2.Qf5#
      • 1...Qf2
        • 2.Bf5#
        • 2.Qf5#
      • 1...Qe3
        • 2.Sc3#
        • 2.Bf5#
        • 2.Qf5#
      • 1...Qd4
        • 2.Bxf3#
        • 2.Bf5#
      • 1...Qc5
        • 2.Bxf3#
        • 2.Qxf3#
      • 1...Sg1
        • 2.Bf5#
        • 2.Qf4#
        • 2.Qf5#
      • 1...Sf4
        • 2.Bf5#
        • 2.Qxf4#
        • 2.Qf5#
      • 1...Sg5
        • 2.Bf5#
        • 2.Qf4#
        • 2.Qf5#
      • 1...f2
        • 2.Bf3#
        • 2.Qf3#
        • 2.Qf5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
  • Actual
    • Q(C);XP(i)
    • Threat
      • DUALS(4)
    • Vars
      • P(l);CHECK,XQ(C)::R(I)+P(G),XR(k)
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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).