MESON Chess Problem Database

Problem Display
PID: 239267 (6Q1/2pp4/3P1P1K/rn3k2/2r1ppN1/2b2P2/2nN4/qb6 w - - 0 1)

Pituk, Alexander

Sachove umeni (Ceskoslovensky sach), 1954

6Q1/2pp4/3P1P1K/rn3k2/2r1ppN1/2b2P2/2nN4/qb6

#2

7 + 12

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Rc5
      • 2.fxe4#
    • 1...Rc6
      • 2.fxe4#
    • 1...Bd4
      • 2.fxe4#
    • 1...Scd4
      • 2.Qd5#
    • 1...Sbd4
      • 2.fxe4#
  • Tries
    • 1.Qf7?
      • threat
        • 2.Qxd7#
      • 1...Scd4
        • 2.Qd5#
      • 1...Sbd4!
  • Keys
    • 1.Qe8!
      • threat
        • 2.Qxd7#
      • 1...Scd4
        • 2.Qe5#
      • 1...Sbd4
        • 2.Qxe4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 2
    • ADDED MATES = 0
    • REMOVED MATES = 3
  • Sets
    • R(e);N_GUARD::P(B),XP(f)
    • B(d);S_CUTR(e)::P(B),XP(f)
    • S(c);S_CUTB(d)::QAR2(G)
    • S(i);S_CUTR(e)::P(B),XP(f)
  • Tries
    • Try
      • Q(G);
      • Threat
        • QAB(G),XP(l)
      • Vars
        • S(c);S_CUTB(d)::QAR2(G)
      • Refutation
        • S(i);
  • Actual
    • Q(G);
    • Threat
      • QAB(G),XP(l)
    • Vars
      • S(c);S_CUTB(d)::QAR1(G)
      • S(i);S_CUTR(e)::QAB1(G),XP(f)
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).