MESON Chess Problem Database

Problem Display
PID: 83877 (8/1B1N4/6p1/3PpkB1/6pP/2r3p1/2P1N1K1/8 w - - 0 1)

Majoros, Bela

Sakkelet, 1998

8/1B1N4/6p1/3PpkB1/6pP/2r3p1/2P1N1K1/8

#2

8 + 6

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Rc4
      • 2.Sxg3#
    • 1...Rc5
      • 2.Sxg3#
    • 1...Rc6
      • 2.Sxg3#
    • 1...Rc7
      • 2.Sxg3#
    • 1...Rc8
      • 2.Sxg3#
    • 1...e4
      • 2.Sd4#
  • Tries
    • 1.Sc5?
      • threat
        • 2.Bc8#
      • 1...Rxc5
        • 2.Sxg3#
      • 1...e4!
  • Keys
    • 1.Bc8!
      • threat
        • 2.Sc5#
      • 1...Ke4
        • 2.Sf6#
      • 1...Rxc8
        • 2.Sxg3#
      • 1...Rc5
        • 2.Sxg3#
        • 2.Sxc5#
      • 1...Rc6
        • 2.Sxg3#
      • 1...Rc7
        • 2.Sxg3#
      • 1...e4
        • 2.Sd4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 2
  • Sets
    • R(a);N_GUARD::S(B),XP(b)
    • P(d);N_GUARD,SBLOCK::S(B)
  • Tries
    • Try
      • S(H);
      • Threat
        • B(G)
      • Vars
        • R(a);N_GUARD,XS(H)::S(B),XP(b)
      • Refutation
        • P(d);
  • Actual
    • B(G);
    • Threat
      • B(G)+S(H)
    • Vars
      • K(e);S_FLIGHT::S(H)
      • R(a);N_GUARD,XB(G)::S(B),XP(b)
      • R(a);N_GUARD::S(B),XP(b)
      • P(d);N_GUARD,SBLOCK::S(B)
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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).