MESON Chess Problem Database

Problem Display
PID: 160640 (8/8/p1N5/1p2n3/k7/1R4r1/K1Pb4/8 w - - 0 1)

Russ, Colin Albert Harry

British Chess Magazine, 2015

8/8/p1N5/1p2n3/k7/1R4r1/K1Pb4/8

#2

4 + 6

SOLUTION

  • SOUND
  • Sets
    • 1...Rg1
      • 2.Ra3#
    • 1...Rg2
      • 2.Ra3#
    • 1...Rxb3
      • 2.cxb3#
    • 1...Rc3
      • 2.Rb4#
    • 1...Rg4
      • 2.Ra3#
    • 1...Rg5
      • 2.Ra3#
    • 1...Rg6
      • 2.Ra3#
    • 1...Rg7
      • 2.Ra3#
    • 1...Rg8
      • 2.Ra3#
    • 1...Bc1
      • 2.Rb4#
    • 1...Bc3
      • 2.Ra3#
    • 1...Be3
      • 2.Ra3#
      • 2.Rb4#
    • 1...Bb4
      • 2.Rxb4#
    • 1...Bf4
      • 2.Rb4#
    • 1...Bg5
      • 2.Rb4#
    • 1...Bh6
      • 2.Rb4#
    • 1...Sd3
      • 2.Ra3#
    • 1...Sf3
      • 2.Ra3#
  • Keys
    • 1.c3!
      • threat
        • 2.Ra3#
        • 2.Rb4#
      • 1...Rxc3
        • 2.Rb4#
      • 1...Bxc3
        • 2.Ra3#
      • 1...Sxc6
        • 2.Ra3#
      • 1...b4
        • 2.Rxb4#
      • 1...Rg4
        • 2.Ra3#
      • 1...Bc1
        • 2.Rb4#
      • 1...Sd3
        • 2.Ra3#
      • 1...Sc4
        • 2.Rb4#
      • 1...a5
        • 2.Ra3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 12
  • Sets
    • R(b);N_GUARD::R1(C)
    • R(b);OGATE,XR(C)::P(B),XR(b)
    • R(b);S_CUTB(a)::R1(C)
    • B(a);N_GUARD::R1(C)
    • B(a);S_CUTR(b)::R1(C)
    • B(a);N_GUARD::R1(C),XB(a)
    • S(e);S_CUTR(b)::R1(C)
  • Actual
    • P(B);
    • Threat
      • DUALS(2)
    • Vars
      • R(b);XP(B)::R1(C)
      • B(a);XP(B)::R1(C)
      • S(e);XS(D)::R1(C)
      • P(d);::R1(C),XP(d)
      • R(b);::R1(C)
      • B(a);::R1(C)
      • S(e);::R1(C)
      • P(f);::R1(C)
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).