MESON Chess Problem Database

Problem Display
PID: 6175 (Kb5B/p5r1/p1R3N1/1P1PR3/1p1kB1bQ/8/2PP4/1N2r2n w - - 0 1)

Simkhovich, Froim Markovich

1st Prize, Shakhmatny Listok, 1927

Kb5B/p5r1/p1R3N1/1P1PR3/1p1kB1bQ/8/2PP4/1N2r2n

#2

12 + 9

3098 FIDE Album (1914-1944) (I) 1971

SOLUTION

  • SOUND
  • Sets
    • 1...Rc7
      • 2.Re7#
    • 1...Be2
      • 2.Bf3#
    • 1...b3
      • 2.c3#
  • Tries
    • 1.Qf2+?
      • 1...Re3
        • 2.Qxe3#
        • 2.dxe3#
      • 1...Sxf2!
  • Keys
    • 1.Sa3!
      • threat
        • 2.Rc4#
      • 1...bxa3
        • 2.c3#
      • 1...axb5
        • 2.Sxb5#
      • 1...Rc7
        • 2.Re7#
      • 1...Be2
        • 2.Bf3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 1
  • Sets
    • R(h);OGATEB::B(L)+R(H)
    • B(e);OGATEB::QAR(E)+B(D)
    • P(c);N_GUARD::P(B)
  • Tries
    • Try
      • Q(E);CHECK
      • Refutation
        • S(b);XQ(E)
  • Actual
    • S(A);
    • Threat
      • R1(I)
    • Vars
      • P(c);N_GUARD,XS(A)::P(B)
      • P(f);XP(F)::S(A),XP(f)
      • R(h);OGATEB::B(L)+R(H)
      • B(e);OGATEB::QAR(E)+B(D)
HTML5 logo

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).