MESON Chess Problem Database

Problem Display
PID: 84160 (3KR1R1/3P1k2/n1Np1p2/1N3r2/2b5/b6q/8/2r5 w - - 0 1)

Cheylan, Yves

Problemas, 1980

3KR1R1/3P1k2/n1Np1p2/1N3r2/2b5/b6q/8/2r5

#2

6 + 9

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Rc5
      • 2.Sxd6#
    • 1...Bb2
      • 2.Sxd6#
    • 1...Be6
      • 2.Ref8#
    • 1...Sb4
      • 2.Sxd6#
    • 1...Sc5
      • 2.Sxd6#
  • Keys
    • 1.Kc8!
      • threat
        • 2.Sd8#
        • 2.d8S#
      • 1...Rxb5
        • 2.Sd8#
      • 1...Bxb5
        • 2.d8S#
      • 1...Rff1
        • 2.Sd8#
      • 1...Rf2
        • 2.Sd8#
      • 1...Rf3
        • 2.Sd8#
      • 1...Rf4
        • 2.Sd8#
      • 1...Rc5
        • 2.Sxd6#
      • 1...Rd5
        • 2.Sd8#
      • 1...Re5
        • 2.Sd8#
      • 1...Rg5
        • 2.Sd8#
      • 1...Rh5
        • 2.Sd8#
      • 1...Bf1
        • 2.d8S#
      • 1...Ba2
        • 2.d8S#
      • 1...Be2
        • 2.d8S#
      • 1...Bb3
        • 2.d8S#
      • 1...Bd3
        • 2.d8S#
      • 1...Bd5
        • 2.d8S#
      • 1...Be6
        • 2.Ref8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 16
    • REMOVED MATES = 3
  • Sets
    • R(e);S_CUTB(b)::S(A),XP(g)
    • B(b);N_GUARD::S(A),XP(g)
    • B(d);SBLOCK::R1(E)
    • S(f);S_CUTB(b)::S(A),XP(g)
  • Actual
    • K(D);P-FLIGHT
    • Threat
      • DUALS(2)
    • Vars
      • R(e);P_PINP(C),XS(A)::S(B)
      • B(d);P_PINS(B),XS(A)::P=S
      • R(e);P_PINP(C)::S(B)
      • R(e);P_PINP(C),P_PINS(B),S_CUTB(b)::S(A),XP(g)
      • B(d);P_PINS(B)::P=S
      • B(d);P_PINP(C),P_PINS(B),SBLOCK::R1(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).