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PostPosted: Sun Aug 23, 2009 4:17 pm 
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Grand Master
Grand Master
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Joined: Mon Apr 21, 2008 10:32 am
Posts: 868
All sudoku puzzles in this forum post are the intellectual property of Børge Alexander Tetlie Anderssen.
Copyright © 2009 Børge Alexander Tetlie Anderssen. All rights reserved. Terms of Use.


There are three difficulties to choose from.
All three puzzles have the same solution.
The difficulty levels explained     The ratings explained

A) Novice.
B) Apprentice (mainstream edition).
C) Master (56 Intersection, 4 Naked Pair, 1 Naked Quad, 1 Empty Rectangle on 2 in g6, 2 XY-Wing: one on 1 in g3 and one Intergrid on 6 in g3 and g10). Select to view details.
The advanced techniques are needed in 2-3 different grids.



Regular Clueless Special #61A (Novice)

Rating based on required solving techniques:  Moderate

Image

100500070000000060075930000004000000000000300500000009000020001920000080051000200
000006007000003005001000080300000004000000002007000030030700906100040003098000200
000500006005000900097630200900000000200000603000000007608000040000100035003085009
000800304004000009030069020020000000100000090500000010008070000000200006251900080
280000400000000008000867200000000000008000010070000302009000000003900050045000100
000009067060704000094000013100000000070000095000000000000006100240080030000030800
000000710000000600000234000007000000503000000000000060005080009000005040102070030
000000001060800000918004006009000020000000040000000067032000000080420010000008003
200700300000001000004008100008000000000000506090000020030600040700100082460002030



Regular Clueless Special #61B (Apprentice)

Rating based on required solving techniques:  Moderate

Image

100000070000000060075930000004000000000000300500000009000020001920000080051000200
000006007000003005001000080000000014800000002007000030030700906100040003098000200
000000006005000900097630200000000000200000003000000007008000040000100035003085009
000800304004000000030069020020000000100000090500000010008000000000200006251900080
200000400000000008000867200000000000008000010070000302009000000003900050045000100
000000067060704000094000013100000000070000095000000000000006100240000030000030800
000000710000000600000234000007000000503000000000000060005080009000005040102070030
000000001060800000918004006009000020000000040000000067032000000080420010000008003
200700300000001000004008100008000000000000506090000020030600040700040082060002000



Regular Clueless Special #61C (Master)

Rating based on required solving techniques:  Super Hard

Image

100000070000000060075930000004000000000000300500000009000020001920000080051000200
000006007000003005001000080000000004800000002007000030030700906100040003098000200
000000006005000900097630200000000000200000003000000007008000040000100035003085009
000800304004000000030069020020000000100000090500000010008000000000200006251900080
200000400000000008000867200000000000008000010070000302009000000003900050045000100
000000067060704000094000013100000000070000095000000000000006100240000030000030800
000000710000000600000234000007000000503000000000000060005080009000005040102070030
000000001060800000918004006009000020000000040000000067032000000080420010000008003
200700300000001000004008100008000000000000506090000020030600040700040082060002000

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