Author |
Message |
Topic: Apr 18 VH |
glesco
Replies: 2
Views: 26071
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Forum: Daily Sudoku puzzles Posted: Mon Apr 22, 2024 4:30 pm Subject: Apr 18 VH |
It is an XY-Wing. if you highlight ZeroAssoluto's quote, there are that and a couple of other solution |
Topic: VH+ 012724 |
glesco
Replies: 3
Views: 38677
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Forum: Other puzzles Posted: Sun Jan 28, 2024 7:30 pm Subject: VH+ 012724 |
I used an XY-chain to anchoured at r7c2 & r3c3 to eliminate 9 at r7c3.
Starting at r7c2 up c2, across r5, down c7, across r9, up c8, across r3 to r3c3. |
Topic: Jan 21 VH |
glesco
Replies: 2
Views: 21136
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Forum: Daily Sudoku puzzles Posted: Fri Jan 26, 2024 2:16 am Subject: Jan 21 VH |
Hi Greenvilleguy
That solution was in ZeroAssoluto's solutions. His solutions are hidden, but if you hold and shift in his solution box they become available. He calls a Y-wing an XY-wing but they ... |
Topic: VH++ 122123 |
glesco
Replies: 2
Views: 40355
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Forum: Other puzzles Posted: Mon Dec 25, 2023 11:18 pm Subject: VH++ 122123 |
I found a finned x-wing that eliminated 8 from r3c12. Basic steps thereafter. Hope I didn't make a mistake! |
Topic: VH++ 112923 |
glesco
Replies: 4
Views: 60100
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Forum: Other puzzles Posted: Thu Dec 07, 2023 10:47 pm Subject: VH++ 112923 |
I used a candidate colouring method that keys off bivalued cells though the solution is similar to dongraves. The steps I took:
- The 9s in c37 eliminate 9 in r8c9 in a finned x-wing thus creating ... |
Topic: VH++ 101323 |
glesco
Replies: 3
Views: 61122
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Forum: Other puzzles Posted: Thu Oct 19, 2023 5:47 pm Subject: VH++ 101323 |
I used a colouring technique.
In r1c3, I set the 5 to Green & the 8 to Blue. As 8 is a strong link in r1 so the 8 in r1c7 is Green with the 6 being Blue. In c2 the 5 is also a strong link so in ... |
Topic: Puzzle 11/06/05: ~ VH |
glesco
Replies: 5
Views: 183620
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Forum: Puzzles by daj Posted: Tue Jun 20, 2023 12:58 am Subject: Puzzle 11/06/05: ~ VH |
Going over these old puzzles.
Went got multiple 15 Remote Pairs on this one! |
Topic: 16-04-2023 VH |
glesco
Replies: 5
Views: 64030
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Forum: Other puzzles Posted: Sat Apr 22, 2023 9:06 pm Subject: 16-04-2023 VH |
Using my pen & pencil method, starting approximately where dongrave has the puzzle, I used the "3D Medusa" method. Starting with a base on Row 6, I eventually found a contradiction with ... |
Topic: 01-04-2023-vh+ |
glesco
Replies: 9
Views: 85266
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Forum: Other puzzles Posted: Sun Apr 02, 2023 8:13 pm Subject: 01-04-2023-vh+ |
Excellent puzzle! Didn't solve; going to try again.
Please post more if you have any! |
Topic: Apr 02 VH |
glesco
Replies: 2
Views: 24685
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Forum: Daily Sudoku puzzles Posted: Sun Apr 02, 2023 8:11 pm Subject: Apr 02 VH |
Not that challenging this time. I used an XY-Wing. |
Topic: VH++ 033123 |
glesco
Replies: 2
Views: 48449
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Forum: Other puzzles Posted: Sat Apr 01, 2023 7:03 pm Subject: VH++ 033123 |
fx-wing -3 r4c9
xy-chain -3 r4c2, r5c8
xy-wing -5 r4c2 |
Topic: VH+ 030223 |
glesco
Replies: 4
Views: 60566
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Forum: Other puzzles Posted: Fri Mar 10, 2023 7:57 pm Subject: VH+ 030223 |
Several Steps:
I) X-wing removing 9s from r1c1, r9c1, r9c6
II) xy-chain with anchors at r8c2 & r9c7 removing 1s from r9c1, r8c7
III) Finned x-wing removing 1 from r5c9
IV) W-wing removing 3s f ... |
Topic: VH 121921 |
glesco
Replies: 4
Views: 65611
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Forum: Other puzzles Posted: Wed Feb 22, 2023 6:46 pm Subject: VH 121921 |
A w-wing with 6s in column 5 removes 9s from r8c4 & r4c6 |
Topic: VH++ 021323 |
glesco
Replies: 4
Views: 58577
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Forum: Other puzzles Posted: Tue Feb 14, 2023 8:06 pm Subject: VH++ 021323 |
I used two steps:
An 246 xyz-wing removes 6 from r3c9.
An xy-chain with the ends at r9c8 & r3c9 removes 4 from r1c8 |
Topic: VH+ 010723 |
glesco
Replies: 4
Views: 63187
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Forum: Other puzzles Posted: Mon Jan 23, 2023 2:11 am Subject: VH+ 010723 |
I used a chain of 8s anchored at r2c3 & r8c2 which removes 8s from r3c2 & r7c3. The later gives an 8 at r2c3 by virtue of column 3.
That led to a contradiction of 4s in box 7. That filled o ... |
Topic: Nov 25 VH |
glesco
Replies: 2
Views: 17358
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Forum: Daily Sudoku puzzles Posted: Fri Nov 25, 2022 6:46 pm Subject: Nov 25 VH |
I used a swordfish to remove 5 from r1c4 |
Topic: VH+ 110222 |
glesco
Replies: 3
Views: 55800
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Forum: Other puzzles Posted: Thu Nov 03, 2022 6:28 pm Subject: VH+ 110222 |
I used a finned xwing to remove 7&8 from r8c5. Remote pairs also works.
A x-chain to remove 2 from r8c9
A xyz wing to remove 8 from r8c9 |
Topic: Oct 19 VH |
glesco
Replies: 1
Views: 13906
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Forum: Daily Sudoku puzzles Posted: Wed Oct 19, 2022 10:58 pm Subject: Oct 19 VH |
I used an xwing on 4
A UR on 3&9
and the finned xwing on 7 |
Topic: Extreme 103021 |
glesco
Replies: 4
Views: 64523
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Forum: Other puzzles Posted: Thu Oct 13, 2022 7:04 pm Subject: Extreme 103021 |
I used an xy-wing to eliminate 2s from r2c4, r1c7
Then an xy-chain anchored at r3c3 & r2c4 to eliminate 7 at r3c4 |
Topic: VH+ 100822 |
glesco
Replies: 14
Views: 124034
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Forum: Other puzzles Posted: Tue Oct 11, 2022 10:45 pm Subject: VH+ 100822 |
dongrave,
Unfortunately I have thrown away my paper & pen sheet on this puzzle. Recalling best I can from reviewing your grid, I suspect I used a skyscraper on 2s from columns 3&4 which gi ... |
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