MESON Chess Problem Database

Problem Display
PID: 101466 (b7/8/1N2r3/B2p2p1/3R4/4k3/R3N1K1/1B4n1 w - - 0 1)

Tuxen, Harri Viggo

Good Companions, 1919

b7/8/1N2r3/B2p2p1/3R4/4k3/R3N1K1/1B4n1

#2

7 + 6

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Re4
      • 2.Rd3#
    • 1...Rc6
      • 2.Sxd5#
  • Tries
    • 1.Re4+?
      • 1...dxe4
        • 2.Sc4#
      • 1...Rxe4!
  • Keys
    • 1.Rxd5!
      • threat
        • 2.Sc4#
      • 1...Bxd5+
        • 2.Sxd5#
      • 1...Rxb6
        • 2.Bxb6#
      • 1...Sxe2
        • 2.Bd2#
      • 1...Re4
        • 2.Rd3#
      • 1...Rc6
        • 2.Re5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • R(e);SBLOCK::R1(E)
    • R(e);S_CUTB(f)::S(G),XP(c)
  • Tries
    • Try
      • R(E);CHECK
      • Vars
        • P(c);XR(E)::S(G)
      • Refutation
        • R(e);XR(E)
  • Actual
    • R(E);P_SPINR(E),XP(c)
    • Threat
      • S(G)
    • Vars
      • B(f);CHECK,XR(E)::S(G),XB(f)
      • R(e);OGATE,XS(G)::B(F),XR(e)
      • S(a);SBLOCK,XS(C)::B(F)
      • R(e);N_PINR(E),SBLOCK::R1(E)
      • R(e);N_PINR(E)::R(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).