MESON Chess Problem Database

Problem Display
PID: 231169 (3N4/b7/r2pRB2/PB1k2K1/N7/4p3/4P3/8 w - - 0 1)

Ceder, Sven Ture

Schackvarlden, 1927

3N4/b7/r2pRB2/PB1k2K1/N7/4p3/4P3/8

#2

8 + 5

6490 yacpdb 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Bc5
      • 2.Sc3#
  • Tries
    • 1.Re5+?
      • 1...Kd4
        • 2.Se6#
      • 1...dxe5!
  • Keys
    • 1.Re4!
      • 1...Kxe4
        • 2.Sc3#
      • 1...Rxa5
        • 2.Bc6#
      • 1...Rb6
        • 2.Rd4#
      • 1...Rc6
        • 2.Bxc6#
      • 1...Bd4
        • 2.Rxd4#
      • 1...Bc5
        • 2.Sc3#
      • 1...Bb6
        • 2.Bc6#
      • 1...Bb8
        • 2.Rd4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 0
  • Sets
    • B(e);SBLOCK::S(B)
  • Tries
    • Try
      • R(F);CHECK
      • Vars
        • K(b);P-FLIGHT::S(H)
      • Refutation
        • P(d);XR(F)
  • Actual
    • R(F);
    • Vars
      • K(b);S_FLIGHT,XR(F)::S(B)
      • R(c);N_GUARD,XP(C)::B(D)
      • R(c);S_CUTB(e)::R1(F)
      • R(c);N_GUARD::B(D),XR(c)
      • B(e);N_GUARD::R1(F),XB(e)
      • B(e);SBLOCK::S(B)
      • B(e);S_CUTR(c)::B(D)
      • B(e);N_GUARD::R1(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).