MESON Chess Problem Database

Problem Display
PID: 120036 (8/1N6/1pp1K3/8/1bk5/2ppP3/P6Q/3B4 w - - 0 1)

Jewetzky, Orest

Shakhmatny Zadachi, 1908

8/1N6/1pp1K3/8/1bk5/2ppP3/P6Q/3B4

#2

6 + 6

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...d2
      • 2.Be2#
      • 2.Qe2#
    • 1...b5
      • 2.Bb3#
      • 2.Qf4#
      • 2.Qh4#
    • 1...c5
      • 2.Sd6#
  • Tries
    • 1.Sd6+?
      • 1...Kc5
        • 2.Qe5#
        • 2.Qh5#
      • 1...Bxd6!
  • Keys
    • 1.Qc2!
      • 1...Kb5
        • 2.Qxd3#
      • 1...dxc2
        • 2.Be2#
      • 1...Ba3
        • 2.Qb3#
      • 1...Ba5
        • 2.Qb3#
      • 1...Bc5
        • 2.Qb3#
      • 1...Bd6
        • 2.Qb3#
      • 1...Be7
        • 2.Qb3#
      • 1...Bf8
        • 2.Qb3#
      • 1...d2
        • 2.Be2#
      • 1...b5
        • 2.Qb3#
      • 1...c5
        • 2.Sd6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 10
    • REMOVED MATES = 0
  • Sets
    • P(f);SBLOCK,S_CUTB(c)::S(F)
  • Tries
    • Try
      • S(F);CHECK
      • Refutation
        • B(c);XS(F)
  • Actual
    • Q(C);P_PINP(a)
    • Vars
      • K(d);N_SPINP(a),S_FLIGHT::QAB(C),XP(b)
      • P(b);N_SPINP(a),OGATEB,XQ(C)::B(A)
      • B(c);::QAB1(C)
      • P(b);OGATEB::B(A)
      • P(e);SBLOCK::QAB1(C)
      • P(f);SBLOCK,S_CUTB(c)::S(F)
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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).