Puzzle Solving Techniques | |
LMI Essentials -> Solving Techniques | 74 posts • Page 3 of 3 • 1 2 3 |
kishy72 |
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SM 2020 (Math) Author Posts: 419 Location: India | swaroop2011 - 2015-09-02 2:18 AM hi, can you share the original puzzle link ? I am confused whether what you have circled or not. E.g. Is R6C5 "4" clue circled or not ? Sorry.You are right.It's not something which I deduced logically.I forgot to erase it. | ||
ashaash11ash |
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PR 2020 (MII and Regions) Author Posts: 55 Location: India | R6c5 "4:" clue should be unshaded only. | ||
ashaash11ash |
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PR 2020 (MII and Regions) Author Posts: 55 Location: India | If u see all the digits above and below the numbers at R7C5/7/9/11. for each number the digits above and below is same.. so if R6C5 is shaded then for the other numbers if any of the above or below clue is shaded the white cells get closed at top | ||
kishy72 |
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SM 2020 (Math) Author Posts: 419 Location: India | ashaash11ash - 2015-09-02 9:18 AM If u see all the digits above and below the numbers at R7C5/7/9/11. for each number the digits above and below is same.. so if R6C5 is shaded then for the other numbers if any of the above or below clue is shaded the white cells get closed at top Indeed.I missed this totally.The puzzle is still very sticky even after this deduction.But it helped a lot and I completed it .Thanks. | ||
puzzleduniya |
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Posts: 56 Location: India | Just gone through the puzzle solving techniques. It's just amazing and very knowledgeable. I have learned a lot from it. | ||
kishy72 |
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SM 2020 (Math) Author Posts: 419 Location: India | The incorrectly done Mochikoro puzzle where all islands are not connected solved in the last few mins of the test .Apparently,there are ways one can gain points by solving incorrectly too ! Edited by kishy72 2015-12-22 6:59 PM | ||
prasanna16391 |
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2021 World Sudoku+Puzzle Convention Organizer Posts: 1801 Location: India | I too gained points by solving incorrectly, in a more indirect way. I solved the Japanese Sums 25 pointer incorrectly by placing a digit by mistake where it shouldn't be, which enabled me to reach an incorrect solution and move to the 105 pointer much faster than I would have if I had solved correctly. Considering I solved the 105 pointer with 1 minute to spare, I'd say the mistake gained me 80 points | ||
swaroop2011 |
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PR 2020 (Shading and Loops) Author Posts: 668 Location: India | kishy72 - 2015-12-22 6:58 PM The incorrectly done Mochikoro puzzle where all islands are not connected solved in the last few mins of the test .Apparently,there are ways one can gain points by solving incorrectly too ! prasanna16391 - 2015-12-22 11:24 PM I too gained points by solving incorrectly, in a more indirect way. I solved the Japanese Sums 25 pointer incorrectly by placing a digit by mistake where it shouldn't be, which enabled me to reach an incorrect solution and move to the 105 pointer much faster than I would have if I had solved correctly. Considering I solved the 105 pointer with 1 minute to spare, I'd say the mistake gained me 80 points haha interesting things. | ||
brecher92 |
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Posts: 30 Location: United States | Not sure where this question belongs, but I'm curious how much time a competitive puzzler might typically take to double-check their entries of the answer key during a timed competition. I just lost 78 points in GP Round 1 because I didn't double-check my entries. Do most people always set aside time at the end to double-check? Or after each puzzle? Or just continue to plow through the remaining puzzles and hope for the best? | ||
prasanna16391 |
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2021 World Sudoku+Puzzle Convention Organizer Posts: 1801 Location: India | For me I just plow through and hope for the best. My accuracy has improved in general with more experience though. | ||
rajeshk |
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WSPC Organizer Posts: 542 Location: India | I could not proceed much Logical in this Fillomino Stars puzzles. Please do help me to get any logical continuation to this puzzle. Edited by rajeshk 2016-01-31 12:17 AM | ||
kishy72 |
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SM 2020 (Math) Author Posts: 419 Location: India | rajeshk - 2016-01-31 12:09 AM I could not proceed much Logical in this Fillomino Stars puzzles. Please do help me to get any logical continuation to this puzzle. You are missing a crucial deduction here just like I did when I solved it before . 1) R4C1 can't be a star .If it is a star,R3C1 can't be filled by anything. 2)Following the earlier deduction ,you have R5C2 not being a star.If it's a star,R4C2 can't take any digit 1,2 or 3. 3)Now we have R5C4 as a star as otherwise Rows 4 and 5 can't take a total of 4 stars. Just a suggestion.Please post bigger images next time so that people find it easy to look where you are stuck : ) Edited by kishy72 2016-01-31 9:51 PM | ||
kishy72 |
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SM 2020 (Math) Author Posts: 419 Location: India | By the way,the bottom 3's can't yet be connected(logically).This image was taken from the same stuck puzzle posted earlier in LMI. http://logicmastersindia.com/forum/forums/thread-view.asp?tid=126&s... | ||
brecher92 |
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Posts: 30 Location: United States | Could someone point me in the right direction on Kropki #39 from the WPF GP Round 2? I'm not an expert on this puzzle type, so I'm sure I'm missing some elementary logic here, but I've gotten absolutely nowhere on this. | ||
kishy72 |
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SM 2020 (Math) Author Posts: 419 Location: India | Encountered this frustratingly irritating Linesweeper variant that plays around with the rules in the Loop PR round.I couldn't complete it during the test (and even later), discarded it in a corner and totally forgot about it until I saw it creeping up in the LMI fun contest again.So I decided to clear up this puzzle once and for all .I continued until this point unsure of whether it is right or wrong.Could someone post the steps until the end? What is the logic for solving this particular puzzle other than the obvious ones at the lower right and top left and the not so apparent top right ? Edited by kishy72 2016-03-16 1:26 AM | ||
swaroop2011 |
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PR 2020 (Shading and Loops) Author Posts: 668 Location: India | kishy72 - 2016-03-16 1:25 AM Encountered this frustratingly irritating Linesweeper variant that plays around with the rules in the Loop PR round.I couldn't complete it during the test (and even later), discarded it in a corner and totally forgot about it until I saw it creeping up in the LMI fun contest again.So I decided to clear up this puzzle once and for all .I continued until this point unsure of whether it is right or wrong.Could someone post the steps until the end? What is the logic for solving this particular puzzle other than the obvious ones at the lower right and top left and the not so apparent top right ? Firstly, your bottom left part is wrong. I don't know how you got that. These are starting steps, which i followed. I hope it helps. | ||
prasanna16391 |
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2021 World Sudoku+Puzzle Convention Organizer Posts: 1801 Location: India | I thought the top right counts as obvious, since there is no other way to satisfy the double 4. Swaroop has the intended start. | ||
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