MESON Chess Problem Database

Problem Display
PID: 93278 (6Rn/3Q4/5kb1/8/3K1N2/8/8/8 w - - 0 1)

Tuxen, Harri Viggo

Skakbladet, 1963

6Rn/3Q4/5kb1/8/3K1N2/8/8/8

#2

4 + 3

6490 yacpdb 2009
5454 Near Snap 2022

SOLUTION

  • SOUND
  • Sets
    • 1...Bb1
      • 2.Sd5#
      • 2.Sh5#
      • 2.Qe6#
    • 1...Bc2
      • 2.Sd5#
      • 2.Sh5#
      • 2.Qe6#
    • 1...Bd3
      • 2.Sd5#
      • 2.Sh5#
      • 2.Qe6#
    • 1...Be4
      • 2.Sh5#
      • 2.Qe6#
    • 1...Bf5
      • 2.Sd5#
      • 2.Sh5#
      • 2.Qg7#
    • 1...Bh5
      • 2.Sd5#
      • 2.Sxh5#
      • 2.Qe6#
    • 1...Bh7
      • 2.Sd5#
      • 2.Sh5#
      • 2.Qe6#
    • 1...Be8
      • 2.Sd5#
      • 2.Qe6#
    • 1...Sf7
      • 2.Rxg6#
  • Tries
    • 1.Qd8+?
      • 1...Kf7
        • 2.Qf8#
      • 1...Kf5!
  • Keys
    • 1.Qg4!
      • 1...Ke7
        • 2.Qe6#
      • 1...Kf7
        • 2.Qe6#
      • 1...Bb1
        • 2.Qe6#
      • 1...Bc2
        • 2.Qe6#
      • 1...Bd3
        • 2.Qe6#
      • 1...Be4
        • 2.Qe6#
      • 1...Bf5
        • 2.Qg7#
      • 1...Bh5
        • 2.Qe6#
      • 1...Bf7
        • 2.Qg5#
      • 1...Bh7
        • 2.Qe6#
      • 1...Be8
        • 2.Qe6#
      • 1...Sf7
        • 2.Sd5#

Anticipated by 121130(1900)

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 1
    • ADDED MATES = 11
    • REMOVED MATES = 0
  • Sets
    • S(c);N_GUARD::R1(D),XB(b)
  • Tries
    • Try
      • Q(C);CHECK
      • Vars
        • K(a);P-FLIGHT::QAR1(C)
      • Refutation
        • K(a);P-FLIGHT
  • Actual
    • Q(C);
    • Vars
      • K(a);S_FLIGHT::QAR1(C)
      • K(a);P-FLIGHT::QAB1(C)
      • B(b);::QAR1(C)
      • B(b);OGATE,SBLOCK::QAB1(C)
      • B(b);SBLOCK::QAB1(C)
      • S(c);SBLOCK::S(B)
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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).