MESON Chess Problem Database

Problem Display
PID: 157211 (R7/3N2p1/4P3/1N4R1/1P2k1K1/6p1/1b1PP3/2r5 w - - 0 1)

Kazimov, Islam

Best Problems, 2007

R7/3N2p1/4P3/1N4R1/1P2k1K1/6p1/1b1PP3/2r5

#2

9 + 5

SOLUTION

  • SOUND
  • Sets
    • 1...Ra1
      • 2.Sc5#
    • 1...Rb1
      • 2.Sc5#
    • 1...Rd1
      • 2.Sc5#
    • 1...Re1
      • 2.Sc5#
    • 1...Rf1
      • 2.Sc5#
    • 1...Rg1
      • 2.Sc5#
    • 1...Rh1
      • 2.Sc5#
    • 1...Rc3
      • 2.Re5#
    • 1...Rc5
      • 2.Sxc5#
    • 1...Ba3
      • 2.Re5#
    • 1...Bc3
      • 2.Sc5#
    • 1...Bd4
      • 2.Sd6#
    • 1...Be5
      • 2.Rxe5#
  • Tries
    • 1.Rf8?
      • threat
        • 2.Rf4#
      • 1...Be5
        • 2.Rxe5#
      • 1...Rf1
        • 2.Sc5#
      • 1...Bf6!
  • Keys
    • 1.Ra3!
      • threat
        • 2.Re3#
      • 1...Bxa3
        • 2.Re5#
      • 1...Be5
        • 2.Rxe5#
      • 1...Rc3
        • 2.Re5#
      • 1...Bc3
        • 2.Sc5#
      • 1...Bd4
        • 2.Sd6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 8
  • Sets
    • R(a);N_GUARD::S(H)
    • R(a);S_CUTB(b)::R1(F)
    • R(a);N_GUARD::S(H),XR(a)
    • B(b);N_GUARD::R1(F)
    • B(b);S_CUTR(a)::S(H)
    • B(b);SBLOCK::S(E)
    • B(b);N_GUARD::R1(F),XB(b)
  • Tries
    • Try
      • R(I);
      • Threat
        • R1(I)
      • Vars
        • B(b);N_GUARD::R1(F),XB(b)
        • R(a);N_GUARD::S(H)
      • Refutation
        • B(b);
  • Actual
    • R(I);
    • Threat
      • R1(I)
    • Vars
      • B(b);N_GUARD,XR(I)::R1(F)
      • B(b);N_GUARD::R1(F),XB(b)
      • R(a);S_CUTB(b)::R1(F)
      • B(b);S_CUTR(a)::S(H)
      • B(b);SBLOCK::S(E)
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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).