MESON Chess Problem Database

Problem Display
PID: 65848 (n7/1K2P1p1/2RNP1p1/3k2p1/4R1P1/1p1rppN1/1P2P3/7B w - - 0 1)

Kozdon, Baldur

6th Place, Match: Israel - West Germany, 1978-1980

n7/1K2P1p1/2RNP1p1/3k2p1/4R1P1/1p1rppN1/1P2P3/7B

#2

11 + 9

SOLUTION

  • SOUND
  • Tries
    • 1.Sc4?
      • 1...fxe2
        • 2.Rf4#
      • 1...Rd1
        • 2.Sxe3#
      • 1...Rd2
        • 2.Sxe3#
      • 1...Rd4
        • 2.Sxe3#
        • 2.Re5#
      • 1...Sb6
        • 2.Sxb6#
      • 1...Sc7
        • 2.Sb6#
      • 1...f2
        • 2.Rf4#
      • 1...Rc3!
  • Keys
    • 1.Sb5!
      • 1...fxe2
        • 2.Rxe3#
      • 1...Rc3
        • 2.Sxc3#
      • 1...Rd1
        • 2.Sc3#
      • 1...Rd2
        • 2.Sc3#
      • 1...Rd4
        • 2.Sc3#
      • 1...Sb6
        • 2.Sc7#
      • 1...Sc7
        • 2.Sxc7#
      • 1...f2
        • 2.Rxe3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 8
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(H);
      • Vars
        • P(d);OGATEB,XP(C)::B(A)+R(E)
        • R(b);N_GUARD::S(H),XP(c)
        • S(i);N_GUARD::S(H),XS(i)
        • S(i);N_GUARD::S(H)
        • P(d);OGATEB::B(A)+R(E)
      • Refutation
        • R(b);
  • Actual
    • S(H);
    • Vars
      • P(d);OGATEB,XP(C)::B(A)+R(E),XP(c)
      • R(b);N_GUARD::S(H),XR(b)
      • R(b);N_GUARD::S(H)
      • S(i);N_GUARD::S(H)
      • S(i);N_GUARD::S(H),XS(i)
      • P(d);OGATEB::B(A)+R(E),XP(c)
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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).