MESON Chess Problem Database

Problem Display
PID: 66006 (2b1BK2/n1P5/1Q3p2/5kpP/2N5/2N3Pp/5n1P/8 w - - 0 1)

Otten, Henry

Tijdschrift vd NSB, 1896

2b1BK2/n1P5/1Q3p2/5kpP/2N5/2N3Pp/5n1P/8

#2

9 + 7

SOLUTION

  • SOUND
  • Sets
    • 1...Ba6
      • 2.Bd7#
    • 1...Bb7
      • 2.Bd7#
    • 1...Bd7
      • 2.Bxd7#
    • 1...Sg4
      • 2.Bg6#
  • Tries
    • 1.Qxf2+?
      • 1...Kg4
        • 2.Se3#
      • 1...Ke6!
    • 1.Qc5+?
      • 1...Ke6
        • 2.Qd5#
      • 1...Kg4!
    • 1.Qxf6+?
      • 1...Kg4
        • 2.Se3#
        • 2.Se5#
      • 1...Kxf6!
  • Keys
    • 1.Qb7!
      • 1...Kg4
        • 2.Se3#
      • 1...Ke6
        • 2.Qd5#
      • 1...Bxb7
        • 2.Bd7#
      • 1...Sb5
        • 2.Qxc8#
      • 1...Be6
        • 2.Qf3#
      • 1...Bd7
        • 2.Bxd7#
      • 1...Sd1
        • 2.Qe4#
      • 1...Sh1
        • 2.Qe4#
      • 1...Sd3
        • 2.Qe4#
      • 1...Se4
        • 2.Qxe4#
      • 1...Sg4
        • 2.Qe4#
      • 1...Sc6
        • 2.Qxc8#
      • 1...g4
        • 2.Qd5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 1
    • ADDED MATES = 10
    • REMOVED MATES = 1
  • Sets
    • B(g);N_GUARD::B(H)
    • B(g);N_GUARD::B(H),XB(g)
    • S(a);SBLOCK::B(H)
  • Tries
    • Try
      • Q(F);CHECK,XS(a)
      • Vars
        • K(c);S_FLIGHT::S(D)
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • Q(F);CHECK
      • Vars
        • K(c);S_FLIGHT::QAB1(F)
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • Q(F);CHECK,XP(e)
      • Refutation
        • K(c);P-FLIGHT,XQ(F)
  • Actual
    • Q(F);
    • Vars
      • K(c);S_FLIGHT::S(D)
      • K(c);S_FLIGHT::QAB1(F)
      • B(g);N_GUARD,XQ(F)::B(H)
      • S(f);N_GUARD::QAB(F),XB(g)
      • B(g);SBLOCK::QAR2(F)
      • B(g);N_GUARD::B(H),XB(g)
      • S(a);N_GUARD::QAB1(F)
      • S(a);N_GUARD::QAB1(F),XS(a)
      • P(d);SBLOCK::QAR2(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).