MESON Chess Problem Database

Problem Display
PID: 87651 (8/8/N3R3/3k3K/N3R3/n6p/2rB4/1r6 w - - 0 1)

Mentasti, Gino

2nd HM., Buletin Problemistic, 1971

8/8/N3R3/3k3K/N3R3/n6p/2rB4/1r6

#2

6 + 5

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Ra1
      • 2.Sb6#
      • 2.Sb4#
    • 1...Rbc1
      • 2.Sb6#
      • 2.Sb4#
    • 1...Rd1
      • 2.Sb6#
      • 2.Sb4#
    • 1...Re1
      • 2.Sb6#
      • 2.Sb4#
    • 1...Rf1
      • 2.Sb6#
      • 2.Sb4#
    • 1...Rg1
      • 2.Sb6#
      • 2.Sb4#
    • 1...Rh1
      • 2.Sb6#
      • 2.Sb4#
    • 1...Rb4
      • 2.Sxb4#
    • 1...Rb6
      • 2.Sxb6#
    • 1...Ra2
      • 2.Sc3#
      • 2.Sc7#
    • 1...Rb2
      • 2.Sc3#
      • 2.Sc7#
    • 1...Rxd2
      • 2.Sc3#
      • 2.Sc7#
    • 1...Rc3
      • 2.Sxc3#
    • 1...Rc7
      • 2.Sxc7#
    • 1...Sc4
      • 2.Sc7#
    • 1...Sb5
      • 2.Sb6#
  • Tries
    • 1.Bc3?
      • threat
        • 2.Sc7#
      • 1...Rxc3
        • 2.Sxc3#
      • 1...Sb5
        • 2.Sb6#
      • 1...Rb7!
  • Keys
    • 1.Bb4!
      • threat
        • 2.Sb6#
      • 1...Rxb4
        • 2.Sxb4#
      • 1...Rc6
        • 2.R6e5#
      • 1...Sc4
        • 2.Sc7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 4
  • Sets
    • R(a);N_GUARD::S(E),XR(a)
    • R(a);N_GUARD::S(B),XR(a)
    • R(b);N_GUARD::S(B),XR(b)
    • R(b);N_GUARD::S(E),XR(b)
    • S(c);S_CUTR(b)::S(E)
    • S(c);S_CUTR(a)::S(B)
  • Tries
    • Try
      • B(A);
      • Threat
        • S(E)
      • Vars
        • R(b);XB(A)::S(B),XR(b)
        • S(c);S_CUTR(a)::S(B)
      • Refutation
        • R(a);
  • Actual
    • B(A);
    • Threat
      • S(B)
    • Vars
      • R(a);XB(A)::S(E),XR(a)
      • R(b);SBLOCK::R1(F)
      • S(c);S_CUTR(b)::S(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).