MESON Chess Problem Database

Problem Display
PID: 107133 (3nR3/3K4/1p3pNQ/1P2RpP1/3k1r2/B1p2P2/8/5BN1 w - - 0 1)

Coelho, J

A Noticia 01. Ty., 1886

3nR3/3K4/1p3pNQ/1P2RpP1/3k1r2/B1p2P2/8/5BN1

#2

11 + 7

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Rxf3
      • 2.Sxf3#
    • 1...c2
      • 2.Bb2#
  • Tries
    • 1.Sxf4?
      • threat
        • 2.Rd5#
      • 1...fxe5
        • 2.Qxb6#
      • 1...c2
        • 2.Bb2#
      • 1...Se6!
  • Keys
    • 1.Se7!
      • 1...Kxe5
        • 2.Qxf6#
      • 1...Rxf3
        • 2.Sxf3#
      • 1...fxe5
        • 2.Qxb6#
      • 1...fxg5
        • 2.Qd6#
      • 1...Re4
        • 2.Sxf5#
      • 1...c2
        • 2.Bb2#
      • 1...Rg4
        • 2.Sxf5#
      • 1...Rh4
        • 2.Sxf5#
      • 1...Sc6
        • 2.Sxc6#
      • 1...Se6
        • 2.Sc6#
      • 1...Sb7
        • 2.Sc6#
      • 1...Sf7
        • 2.Sc6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 10
    • REMOVED MATES = 0
  • Sets
    • R(c);XP(D)::S(B),XR(c)
    • P(a);OGATEB::B(C)
  • Tries
    • Try
      • S(H);XR(c)
      • Threat
        • R1(F)
      • Vars
        • P(f);OGATE,XR(F)::QAB(I),XP(e)
        • P(a);OGATEB::B(C)
      • Refutation
        • S(g);
  • Actual
    • S(H);
    • Vars
      • K(b);OGATEB,S_FLIGHT,XR(F)::QAB1(I),XP(f)
      • R(c);XP(D)::S(B),XR(c)
      • P(f);OGATE,SBLOCK,XR(F)::QAB(I),XP(e)
      • P(f);OGATE,XP(G)::QAR2(I)
      • R(c);N_GUARD::S(H),XP(d)
      • P(a);OGATEB::B(C)
      • S(g);N_GUARD::S(H),XS(g)
      • S(g);N_GUARD::S(H)
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).