This Sudoku TRICK Can Quickly Solve Very Hard Puzzles

Рет қаралды 2,224

Күн бұрын

In This Sudoku TRICK Can Quickly Solve Very Hard Puzzles by Smart Hobbies, I will show you a Sudoku trick, Sudoku tip, Sudoku strategy that you can use to quickly solve hard Sudoku puzzles. The trick is Sudoku W-Wing Delta Variant. I show you where and how to solve Round 3 Puzzle 4 of 2024 Sudoku Grand Prix with this Sudoku trick. I show you how to play Sudoku better and how to solve Sudoku faster. I solve this puzzle logically and explain all the expert Sudoku tricks, Sudoku techniques, and Sudoku strategies as I apply them to the Sudoku game.
I used the software program CTC App for this solving video. Puzzle link:
tinyurl.com/yn7b45ra
Slovakia hosted Round 3 of the 2024 Sudoku Grand Prix. Puzzle author was Diana Skrhova.
This video is part of my Sudoku Competitions series on my KZfaq channel, Smart Hobbies. The goal of this series is to share the joy of solving competitive Sudoku puzzles with you.
#learn #sudoku #youareawesome
Strategies demonstrated in this video:
Hidden Single
Naked Single
Full House
Pointing Pair
Naked Pair
Hidden Pair
Claiming Pair
Naked Triple
W-Wing Delta Variant
Timestamps
0:00 Intro
00:26 It’s Solving Time
01:27 Spotting Claiming Pairs
02:19 Puzzle Story
03:55 Hidden Single Tip
05:05 Naked Pair
06:44 BONUS Tip
07:31 Shout Out #1
07:48 Critical Solving Steps
09:03 What To Do After Snyder
09:58 Shout Out #2
10:35 Trick Revealed
13:32 Solving The Green Cell
14:07 Following The Snyder
15:47 Sweeping The Blocks
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sudokuprimer.com/smart-hobbie...
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Let me know what you think and how you did in the comments below. Thank you so much for watching.
Timberlake
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Пікірлер: 17

@SmartHobbies 2 ай бұрын

Join the Smartie Party now 🥳to get EXCLUSIVE reward puzzle packs, ad free content, discord access, and so much more👉👉www.buymeacoffee.com/timberlakeB/membership Timestamps 0:00 Intro 00:26 It’s Solving Time 01:27 Spotting Claiming Pairs 02:19 Puzzle Story 03:55 Hidden Single Tip 05:05 Naked Pair 06:44 BONUS Tip 07:31 Shout Out #1 07:48 Critical Solving Steps 09:03 What To Do After Snyder 09:58 Shout Out #2 10:35 Trick Revealed 13:32 Solving The Green Cell 14:07 Following The Snyder 15:47 Sweeping The Blocks

@georgesthibaudeau1533 Ай бұрын

Great puzzle, very difficult indeed for a championship game. Stuck to notation free, keeping the main bi-value cells in mind. With the 367 triple in row 1, I was indeed able to figure out that if the 7 was in r1c8 and ib r3c3, and hence the 6 up in row 1 in block1, thence in r2c3 and r3c8. Now that I have the 67 pair in col 8 in block 3, the puzzle becomes easy again. Neat. Thanks for explaining so well what my crude technique was :)

@SmartHobbies Ай бұрын

Wow. Notation Free. Great job. I am glad you could connect to the technique in the video.

@JohnRandomness105 Ай бұрын

I found another superfluous finned X-wing in 8s, but I also found something -- maybe the intended trick -- in the top band, that placed 6 in the green cell. R3C1 was either 6 or 8. If 6, it forced a 18 pair in block 3 which removed row 2 8s from block 1. If 8, row 2 8s couldn't exist in block 1. Henced they were removed. That led to a 67 pair in column 8, block 3, and placed 6 in the green cell. Things went smoothly afterwards. 0:10 The clock was running? I would never have beat that. 13:10 Mine wasn't the two-string kite or the W-delta. But I guess it was equivalent -- removing row 2 8s from block 1, leaving them in block 3 and forcing the 67 pair in column 8.

@SmartHobbies Ай бұрын

Nice job with how you got past the W-Wing position, John. Your logic appears sound to me. Thanks for sharing.

@AnonimityAssured Ай бұрын

Wow! How did we suddenly arrive at such a leap in difficulty? I used a two-way chain to break this (16 = row 1 column 6): 16, 17, 32, 61, 55, 14, 34, 39, 74, 85, 36, 75, 41, 19 (hidden single), 25 (two-way chain on 6s from box 1)*, 35, 97, 31, 38, 12, 71, 79, 87, 93, 82, 72, 88, 98, 81, 83, 78, 89, 76, 91, 92, 21, 25, 13, 23, 18, 58, 63, 43, 53, 57, 29, 27, 69, 49, 47, 67, 44, 46, 94, 96, 64, 66. * R3C1 = 6 → R2C5 = 6; R1C2 = 6 → R2C3 = 7 → R3C5 = 7 → R2C5 = 6. This puzzle reminded me of the very first Sudoku I created (way back in 2019, or thereabouts). To this day, it remains one of the prettiest I've done. I can't find it now, but I think I may have recreated it, or something very similar: 900 030 000 000 204 030 001 000 500 020 100 060 300 000 007 040 009 080 005 000 900 070 608 000 000 070 001 900030000000204030001000500020100060300000007040009080005000900070608000000070001 HoDoKu rating: Medium 746 (Extreme 5460 without R8C2). Andrew Stuart rating: Tough Grade 105 (Extreme Grade 831 without R8C2). Afterthought: I loved your breakthrough. Mine was rather unconventional, and was probably Sudoku heresy. Edited to correct a wrong date.

@SmartHobbies Ай бұрын

I think your break in was just fine, Julian. Thanks for sharing the nostalgic first grid.

@pietndala7394 Ай бұрын

Jellyfish on 6’s, columns 1,2,5 and 8, rules out a 6 in column 7 row 2(r2c7)… well I’m not certain if jellyfish principle is properly applied but, after observing a symmetry of the puzzle I somehow knew a ‘fish’ of some sort should apply. 6 was chosen because how it behaved in box 4, making eliminations in column 3( box 1 and box 7)… 😅😅😅 I found a solution, but not certain if it was intended solve😢😢

@SmartHobbies Ай бұрын

Nice job. I do believe there were some X-Wing possibilities in this puzzle, maybe even a jellyfish. How easily do you normally find jellyfish and swordfish type patterns.

@sharmilisharmili472 Ай бұрын

Found it easy as I know the w- wing D variant strategy.

@SmartHobbies Ай бұрын

Awesome. Where did you first see that variant of W-Wing?

@sharmilisharmili472 Ай бұрын

@@SmartHobbies On ur channel, and now I hv mastered it as we hv to just check whether one of the digits of the pair can be in the rem row/ col of the rem box of the chute ( hor/ vert) , it is so logical .

@shzne35 Ай бұрын

at 8:54, how did you eliminate placing candidate 9s in box 7, column 3 and only place them in column 1?

@SmartHobbies Ай бұрын

Great question. What you have to to notice is where in column 1 a 9 can go. It could only go in 2 cells in block 7. If you put a 9 in any other cell of block 7, then you would have no place to put a 9 in column 1. Does that help?

@shzne35 Ай бұрын

@@SmartHobbies Ah, cool. of course that makes total sense. Thanks!

@BradJames878 Ай бұрын

Yikes, I took a pounding on this one, 49:17. And that doesn't count the time I had to look at the video. This puzzle depended upon filling in the right cells, and I just didn't have the right cells filled in to find the Delta Variant.

@SmartHobbies Ай бұрын

The medium strategies had to be done in a specific order to set up the W-Wing. This puzzle was no joke.