MESON Chess Problem Database

Problem Display
PID: 158605 (7K/8/1Q6/p2b4/k1N1B2R/8/8/2r5 w - - 0 1)

Retter, Yosef

3/4 HM., Bamahane, 1951

7K/8/1Q6/p2b4/k1N1B2R/8/8/2r5

#2

5 + 4

SOLUTION

  • SOUND
  • Sets
    • 1...Ra1
      • 2.Bc2#
    • 1...Rd1
      • 2.Bc2#
    • 1...Re1
      • 2.Bc2#
    • 1...Rf1
      • 2.Bc2#
    • 1...Rg1
      • 2.Bc2#
    • 1...Rh1
      • 2.Bc2#
    • 1...Rc2
      • 2.Bxc2#
    • 1...Bc6
      • 2.Bxc6#
    • 1...Be6
      • 2.Bc6#
    • 1...Bf7
      • 2.Bc6#
    • 1...Bg8
      • 2.Bc6#
  • Keys
    • 1.Qb2!
      • threat
        • 2.Sb6#
      • 1...Rxc4
        • 2.Bc2#
      • 1...Bxc4
        • 2.Bc6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 11
  • Sets
    • R(a);N_GUARD::B(B)
    • R(a);N_GUARD,P_PINR(C)::B(B)
    • R(a);N_GUARD::B(B),XR(a)
    • B(d);OGATE::B(B),XB(d)
    • B(d);OGATE::B(B)
  • Actual
    • Q(D);
    • Threat
      • S(A)
    • Vars
      • R(a);N_GUARD,XS(A)::B(B)
      • B(d);OGATE,XS(A)::B(B)
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).