MESON Chess Problem Database

Problem Display
PID: 214799 (6n1/3BppRp/4p3/8/6Pp/3Np1kp/4Kb2/7Q w - - 0 1)

Martindale, Frank W

St. Louis Globe Democrat, 1877

6n1/3BppRp/4p3/8/6Pp/3Np1kp/4Kb2/7Q

#2

6 + 10

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Be1
      • 2.Qg1#
    • 1...Bg1
      • 2.Qxg1#
    • 1...h2
      • 2.Qf3#
    • 1...f5
      • 2.gxf5#
    • 1...h5
      • 2.gxh5#
  • Keys
    • 1.g5!
      • 1...Kg4
        • 2.Qf3#
      • 1...h2
        • 2.Qf3#
      • 1...Sf6
        • 2.gxf6#
      • 1...Be1
        • 2.Qg1#
      • 1...Bg1
        • 2.Qxg1#
      • 1...Sh6
        • 2.gxh6#
      • 1...e5
        • 2.Qxh3#
      • 1...f5
        • 2.gxf5 ep#
      • 1...f6
        • 2.gxf6#
      • 1...h5
        • 2.gxh5 ep#
      • 1...h6
        • 2.gxh6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
    • B(a);N_GUARD::QAR2(A)
    • B(a);N_GUARD::QAR2(A),XB(a)
    • P(d);SBLOCK::QAR1(A)
    • P(h);OGATE::R(F)+P(D),XP(h)
    • P(i);OGATE::R(F)+P(D),XP(i)
  • Actual
    • P(D);
    • Vars
      • K(c);P-FLIGHT,P_SPINP(f)::QAB1(A)
      • P(d);SBLOCK::QAR1(A)
      • S(j);OGATE::R(F)+P(D),XS(j)
      • B(a);N_GUARD::QAR2(A)
      • B(a);N_GUARD::QAR2(A),XB(a)
      • P(f);::QAR1(A),XP(d)
      • P(h);OGATE::R(F)+P(D),XP(h),EP
      • P(h);OGATE::R(F)+P(D),XP(h)
      • P(i);OGATE::R(F)+P(D),XP(i),EP
      • P(i);OGATE::R(F)+P(D),XP(i)
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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).