MESON Chess Problem Database

Problem Display
PID: 2727 (8/4K3/1P6/Bk3B2/4n2R/pN6/P3P1R1/7Q w - - 0 1)

Thompson, Walter Hood

Les Tours de Force sur l'Echiquier, 1906

8/4K3/1P6/Bk3B2/4n2R/pN6/P3P1R1/7Q

#2

10 + 3

2794 Terms & Themes of Chess Problems 1907
20 De Problemist 1930

SOLUTION

  • SOUND
  • Sets
    • 1...Ka4
      • 2.Bd7#
  • Tries
    • 1.Bxe4?
      • 1...Ka4
        • 2.Bd3#
        • 2.Bc6#
      • 1...Kc4
        • 2.Bc6#
      • 1...Ka6!
  • Keys
    • 1.Rg5!
      • 1...Ka4
        • 2.Bd7#
      • 1...Kc4
        • 2.Be6#
      • 1...Ka6
        • 2.Bc8#
      • 1...Kc6
        • 2.Bxe4#
      • 1...Sxg5
        • 2.Bd3#
      • 1...Sd2
        • 2.Bd3#
        • 2.Bc8#
      • 1...Sf2
        • 2.Bd3#
        • 2.Bc8#
      • 1...Sc3
        • 2.Bd3#
      • 1...Sg3
        • 2.Bd3#
      • 1...Sc5
        • 2.Bd3#
      • 1...Sd6
        • 2.Bd3#
      • 1...Sf6
        • 2.Bd3#

There are these versions: 144926, 161967

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 9
    • REMOVED MATES = 0
  • Sets
    • K(c);P_SPINS(b),S_FLIGHT::B(H)
  • Tries
    • Try
      • B(H);XS(b)
      • Vars
        • K(c);S_FLIGHT::R(F)+B(H)
      • Refutation
        • K(c);S_FLIGHT
  • Actual
    • R(D);
    • Vars
      • K(c);P_SPINS(b),S_FLIGHT::B(H)
      • K(c);S_FLIGHT::B(H)
      • K(c);P_SPINS(b),S_FLIGHT::B(H),XS(b)
      • S(b);OGATE,XR(D)::B(H)
      • S(b);OGATE::R(D)+B(H),DCHECK
      • S(b);OGATE::B(H)
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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).