MESON Chess Problem Database

Problem Display
PID: 61311 (8/2R5/pB1p1r2/PkNBn1R1/7r/PPp4q/K2p4/7b w - - 0 1)

Kapros, Jorge Marcelo

Schach-Aktiv, 2005

8/2R5/pB1p1r2/PkNBn1R1/7r/PPp4q/K2p4/7b

#2

9 + 10

SOLUTION

  • SOUND
  • Sets
    • 1...Ra4
      • 2.bxa4#
    • 1...Sf3
      • 2.Bc6#
    • 1...Sg4
      • 2.Bc4#
    • 1...dxc5
      • 2.Rxc5#
  • Tries
    • 1.a4+?
      • 1...Kb4
        • 2.Sxa6#
      • 1...Rxa4+!
  • Keys
    • 1.Se4!
      • threat
        • 2.Bc4#
        • 2.Bc6#
      • 1...Rxe4
        • 2.Bc6#
      • 1...Bxe4
        • 2.Bc4#
      • 1...Qf1
        • 2.Sxc3#
        • 2.Bc6#
      • 1...Qf5
        • 2.Sxc3#
      • 1...Qe6
        • 2.Sxc3#
        • 2.Bc6#
      • 1...Qd7
        • 2.Sxc3#
        • 2.Bc4#
      • 1...Qd3
        • 2.Bc6#
      • 1...Rf5
        • 2.Sxd6#
      • 1...Sc4
        • 2.Bxc4#
        • 2.Bc6#
      • 1...Sc6
        • 2.Bc4#
        • 2.Bxc6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 4
  • Sets
    • R(e);OGATE,P_PINP(B)::P(C),XR(e)
    • S(g);N_GUARD,S_CUTB(a)::B(F)
    • S(g);N_GUARD,S_CUTR(e)::B(F)
    • P(i);OGATE,XS(E)::R1(I),XP(i)
  • Tries
    • Try
      • P(B);CHECK
      • Vars
        • K(f);P-FLIGHT::S(E),XP(h)
      • Refutation
        • R(e);CHECK,XP(B)
  • Actual
    • S(E);
    • Threat
      • DUALS(2)
    • Vars
      • R(e);XS(E)::B(F)
      • B(a);XS(E)::B(F)
      • Q(d);N_GUARD::S(E),XP(c)
      • Q(d);::B(F)
      • R(j);N_GUARD::S(E),XP(i)
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).