MESON Chess Problem Database

Problem Display
PID: 257925 (1brk4/r1p2Rp1/N3RpP1/1q1N4/7B/1p1p4/8/3K4 w - - 0 1)

Andrade, Barry Jack da Costa

British Chess Magazine, 1934

1brk4/r1p2Rp1/N3RpP1/1q1N4/7B/1p1p4/8/3K4

#2

7 + 10

SOLUTION

  • SOUND
  • Keys
    • 1.Sxf6!
      • threat
        • 2.Sd5#
      • 1...Qh5+
        • 2.Sxh5#
      • 1...gxf6
        • 2.Bxf6#
      • 1...Qa4
        • 2.Se4#
        • 2.Sg4#
      • 1...Qc4
        • 2.Se4#
        • 2.Sg4#
        • 2.Re8#
        • 2.Rd7#
        • 2.Rf8#
      • 1...Qd7
        • 2.Sxd7#
        • 2.Rxd7#
      • 1...Qe8
        • 2.Sxe8#
        • 2.Rxe8#
      • 1...Qb4
        • 2.Re8#
        • 2.Rd7#
      • 1...Qc5
        • 2.Re8#
        • 2.Rd7#
      • 1...Qd5
        • 2.Sxd5#
        • 2.Re8#
        • 2.Rf8#
      • 1...Qe5
        • 2.Rd7#
        • 2.Rf8#
      • 1...Qf5
        • 2.Re8#
        • 2.Rd7#
        • 2.Rf8#
      • 1...Qg5
        • 2.Re8#
        • 2.Rd7#
        • 2.Rf8#
      • 1...c5
        • 2.Sd7#
      • 1...c6
        • 2.Re8#
        • 2.Rf8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Actual
    • S(C);XP(d)
    • Threat
      • B(B)+S(C)
    • Vars
      • Q(c);CHECK,N_GUARD::B(B)+S(C),XQ(c)
      • P(g);OGATE,P_SPINP(g),XS(C)::B(B),XP(g)
      • P(f);S_CUTQ(c)::B(B)+S(C)
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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).