MESON Chess Problem Database

Problem Display
PID: 207517 (1B6/7N/B6R/3ppp2/4k3/8/1PN2Pp1/K5Qb w - - 0 1)

Martindale, Frank W

Chess Problems - Martindale, FW, 1872

1B6/7N/B6R/3ppp2/4k3/8/1PN2Pp1/K5Qb

#2

9 + 6

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Tries
    • 1.Rh4+?
      • 1...Kf3
        • 2.Se1#
        • 2.Sg5#
      • 1...f4!
    • 1.Qxg2+?
      • 1...Kf4
        • 2.Rh4#
      • 1...Bxg2!
  • Keys
    • 1.Sd4!
      • 1...Kxd4
        • 2.f3#
      • 1...Kf4
        • 2.Rh4#
      • 1...exd4
        • 2.Sg5#
      • 1...f4
        • 2.f3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(G);CHECK
      • Refutation
        • P(f);P_SPINP(f)
    • Try
      • Q(B);CHECK,XP(b)
      • Vars
        • K(c);P-FLIGHT,P_SPINP(e)::R(G)
      • Refutation
        • B(a);XQ(B)
  • Actual
    • S(D);
    • Vars
      • K(c);P-FLIGHT,XS(D)::QAB(B)+P(E)
      • K(c);P-FLIGHT,P_SPINP(e)::R(G)
      • P(e);SBLOCK,XS(D)::S(H)
      • P(f);SBLOCK::P(E)
HTML5 logo

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).