MESON Chess Problem Database

Problem Display
PID: 207554 (8/5p2/5R2/B3N3/2Pkb3/PR6/1P6/4K3 w - - 0 1)

Robert, Olof Wilhelm

Ny Illustrerad Tidning, 1872

8/5p2/5R2/B3N3/2Pkb3/PR6/1P6/4K3

#2

8 + 3

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Kc5
      • 2.Bb6#
    • 1...Kxe5
      • 2.Bc3#
  • Tries
    • 1.Bc3+?
      • 1...Kc5
        • 2.Rb5#
      • 1...Ke3!
    • 1.Rd3+?
      • 1...Kc5
        • 2.Bb4#
        • 2.Bb6#
        • 2.b4#
      • 1...Kxe5
        • 2.Bc3#
      • 1...Bxd3!
  • Keys
    • 1.Re3!
      • 1...Kxe3
        • 2.Bb6#
      • 1...Kc5
        • 2.Bb6#
      • 1...Kxe5
        • 2.Bc3#
      • 1...Bb1
        • 2.Bb6#
      • 1...Bh1
        • 2.Bb6#
      • 1...Bc2
        • 2.Bb6#
      • 1...Bg2
        • 2.Bb6#
      • 1...Bd3
        • 2.Bb6#
      • 1...Bf3
        • 2.Bb6#
      • 1...Bd5
        • 2.Bb6#
      • 1...Bf5
        • 2.Bb6#
      • 1...Bc6
        • 2.Bb6#
      • 1...Bg6
        • 2.Bb6#
      • 1...Bb7
        • 2.Bb6#
      • 1...Bh7
        • 2.Bb6#
      • 1...Ba8
        • 2.Bb6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 14
    • REMOVED MATES = 0
  • Sets
    • K(a);S_FLIGHT::B(F)
    • K(a);S_FLIGHT,XS(G)::B(F)
  • Tries
    • Try
      • B(F);CHECK
      • Vars
        • K(a);S_FLIGHT::R1(D)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(D);CHECK
      • Vars
        • K(a);S_FLIGHT,XS(G)::B(F)
      • Refutation
        • B(b);XR(D)
  • Actual
    • R(D);
    • Vars
      • K(a);S_FLIGHT,XR(D)::B(F)
      • K(a);S_FLIGHT::B(F)
      • K(a);P_SPINB(b),S_FLIGHT,XS(G)::B(F)
      • B(b);::B(F)
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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).