MESON Chess Problem Database

Problem Display
PID: 15800 (K2B4/8/k3N3/1p1p4/6r1/8/2N2bR1/8 w - - 0 1)

Rychkov, Vladimir Nikolaevich

2nd HM., Sverdlovsk 27. Ty., 1988

K2B4/8/k3N3/1p1p4/6r1/8/2N2bR1/8

#2

5 + 5

SOLUTION

  • SOUND
  • Sets
    • 1...Rxg2
      • 2.Sb4#
    • 1...Rg3
      • 2.Sb4#
    • 1...Rb4
      • 2.Sxb4#
    • 1...Rd4
      • 2.Sc5#
    • 1...Rg5
      • 2.Sb4#
    • 1...Rg6
      • 2.Sb4#
    • 1...Rg7
      • 2.Sb4#
    • 1...Rg8
      • 2.Sb4#
    • 1...Be1
      • 2.Sc5#
    • 1...Bg3
      • 2.Sc5#
    • 1...Bd4
      • 2.Sb4#
    • 1...Bh4
      • 2.Sc5#
    • 1...Bc5
      • 2.Sxc5#
    • 1...d4
      • 2.Sb4#
      • 2.Sc5#
  • Tries
    • 1.Sed4?
      • threat
        • 2.Sb4#
      • 1...Rxd4
        • 2.Rg6#
      • 1...b4
        • 2.Sxb4#
      • 1...Be1!
  • Keys
    • 1.Scd4!
      • threat
        • 2.Sc5#
      • 1...Bxd4
        • 2.Ra2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 0
    • REMOVED MATES = 12
  • Sets
    • R(b);N_GUARD,XR(B)::S(A)
    • R(b);N_GUARD::S(A)
    • R(b);N_GUARD::S(A),XR(b)
    • R(b);S_CUTB(a)::S(C)
    • R(b);N_GUARD,P_PINB(E)::S(A)
    • B(a);N_GUARD::S(C)
    • B(a);S_CUTR(b)::S(A)
    • B(a);N_GUARD::S(C),XB(a)
  • Tries
    • Try
      • S(C);
      • Threat
        • S(A)
      • Vars
        • R(b);OGATE,XS(C)::R(B)
        • P(c);::S(A),XP(c)
      • Refutation
        • B(a);
  • Actual
    • S(A);
    • Threat
      • S(C)
    • Vars
      • B(a);OGATE,XS(A)::R(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).