MESON Chess Problem Database

Problem Display
PID: 198289 (K2R3b/5p2/1B4pr/4p2b/p3k3/r2N3B/N3P1np/5R2 w - - 0 1)

Belli, Nicolo

Rivista del Club Argentino de Ajedrez, 1920

K2R3b/5p2/1B4pr/4p2b/p3k3/r2N3B/N3P1np/5R2

#2

8 + 11

6490 yacpdb 2019

SOLUTION

  • SOUND
  • Sets
    • 1...Rc3
      • 2.Sxc3#
    • 1...Rxd3
      • 2.exd3#
    • 1...Bf3
      • 2.exf3#
    • 1...Se3
      • 2.Sc5#
    • 1...Sf4
      • 2.Sf2#
    • 1...g5
      • 2.Bf5#
  • Tries
    • 1.Rf4+?
      • 1...Sxf4
        • 2.Sf2#
      • 1...exf4!
  • Keys
    • 1.Bc8!
      • threat
        • 2.Bb7#
      • 1...Rxd3
        • 2.exd3#
      • 1...Rc3
        • 2.Sxc3#
      • 1...Bf3
        • 2.exf3#
      • 1...Se3
        • 2.Sc5#
      • 1...Sf4
        • 2.Sf2#
      • 1...g5
        • 2.Bf5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • R(c);N_GUARD::S(B),XR(c)
    • R(c);OGATE,XS(D)::P(C),XR(c)
    • B(g);OGATE::P(C),XB(g)
    • S(a);SBLOCK::S(D)
    • P(h);N_GUARD::B(E)
  • Tries
    • Try
      • R(A);CHECK
      • Vars
        • S(a);SBLOCK,XR(A)::S(D)
      • Refutation
        • P(f);XR(A)
  • Actual
    • B(E);
    • Threat
      • B(E)
    • Vars
      • R(c);OGATE,XS(D)::P(C),XR(c)
      • R(c);N_GUARD::S(B),XR(c)
      • B(g);OGATE::P(C),XB(g)
      • S(a);SBLOCK::S(D)
      • P(h);N_GUARD::B(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).