MESON Chess Problem Database

Problem Display
PID: 6387 (2B2Q2/4R2b/5P2/2p1N3/2P1kPpp/2K2N1q/6np/2B5 w - - 0 1)

Mansfield, Comins

Daily Telegraph, 1929

2B2Q2/4R2b/5P2/2p1N3/2P1kPpp/2K2N1q/6np/2B5

#2

10 + 8

3202 Complete Mansfield/I 1996
14868 Pirnie Collection 2013

SOLUTION

  • SOUND
  • Sets
    • 1...Qxf3+
      • 2.Sd3#
    • 1...Bf5
      • 2.Bb7#
    • 1...gxf3
      • 2.Sg4#
    • 1...g3
      • 2.Sg5#
  • Tries
    • 1.Bf5+?
      • 1...Bxf5
        • 2.Qa8#
      • 1...Kxf5!
  • Keys
    • 1.Qh6!
      • threat
        • 2.Qxh7#
      • 1...Qxf3+
        • 2.Sd3#
      • 1...Sxf4
        • 2.Qxf4#
      • 1...gxf3
        • 2.Sg4#
      • 1...Bf5
        • 2.Bb7#
      • 1...Bg6
        • 2.Qxg6#
      • 1...Bg8
        • 2.Qg6#
      • 1...Se3
        • 2.Sd2#
      • 1...g3
        • 2.Sg5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • Q(c);CHECK,SBLOCK,XS(C)::R(H)+S(F)
    • B(h);SBLOCK::B(I)
    • P(e);SBLOCK,XS(C)::R(H)+S(F)
    • P(e);N_PINS(C)::S(C)
  • Tries
    • Try
      • B(I);CHECK
      • Vars
        • B(h);SBLOCK,XB(I)::QAB(J)
      • Refutation
        • K(d);S_FLIGHT,XB(I)
  • Actual
    • Q(J);
    • Threat
      • QAB(J),XB(h)
    • Vars
      • Q(c);CHECK,SBLOCK,XS(C)::R(H)+S(F)
      • S(a);OGATE,XP(E)::QAR1(J),XS(a)
      • P(e);SBLOCK,XS(C)::R(H)+S(F)
      • B(h);SBLOCK::B(I)
      • B(h);N_GUARD::QAB(J),XB(h)
      • B(h);N_GUARD::QAB(J)
      • S(a);N_PINS(C),SBLOCK::S(C)
      • P(e);N_PINS(C)::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).