MESON Chess Problem Database

Problem Display
PID: 203400 (b4K2/Nn1kp2N/BBp5/4PP2/8/8/8/8 w - - 0 1)

Michlo, Jozsef

Nepszava, 1924

b4K2/Nn1kp2N/BBp5/4PP2/8/8/8/8

#2

7 + 5

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Sa5
      • 2.Bc8#
    • 1...Sc5
      • 2.Bc8#
    • 1...Sd6
      • 2.e6#
    • 1...Sd8
      • 2.Bc8#
    • 1...c5
      • 2.Bb5#
    • 1...e6
      • 2.Sf6#
  • Tries
    • 1.Ba5?
      • 1...Sc5
        • 2.Bc8#
      • 1...Sd6
        • 2.e6#
      • 1...Sd8
        • 2.Bc8#
      • 1...c5
        • 2.Bb5#
      • 1...e6
        • 2.Sf6#
      • 1...Sxa5!
  • Keys
    • 1.Sg5!
      • 1...Sa5
        • 2.Bc8#
      • 1...Sc5
        • 2.Bc8#
      • 1...Sd6
        • 2.e6#
      • 1...Sd8
        • 2.Bc8#
      • 1...c5
        • 2.Bb5#
      • 1...e6
        • 2.fxe6#

FEATURES

  • Static
    • TYPE = MUTATE
    • CHANGED MATES = 1
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • S(b);OGATE::B(C)
    • S(b);SBLOCK::P(A)
    • P(a);OGATEB::B(C)
    • P(d);N_GUARD::S(F)
  • Tries
    • Try
      • B(D);
      • Vars
        • S(b);OGATE::B(C)
        • S(b);SBLOCK::P(A)
        • P(a);OGATEB::B(C)
        • P(d);N_GUARD::S(F)
      • Refutation
        • S(b);XB(D)
  • Actual
    • S(F);
    • Vars
      • S(b);OGATE::B(C)
      • S(b);SBLOCK::P(A)
      • P(a);OGATEB::B(C)
      • P(d);OGATE::P(B),XP(d)
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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).