Process of elimination using Dots instead of Numbers.
When you are putting possible numbers that can be in a square. Use Dots instead.
No need to use a Rubber.
Use a bolder dot to represent Hidden Pairs etc.
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. . . Top row represents 1,2 & 3.
. . . 2nd row represents 4,5 & 6.
. . . 3rd row represents 7,8 & 9.
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. These 3 dots represents 1, 5 & 9.
.
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I hope it can help some people.
Regards
Vincent Xuereb
Sydney Australia
Hi everyone! I am Melvin, and I live in the Philippines. I am a licensed Agricultural and Biosystems Engineer working at the top university in our country. Since entering school back in 2002 in elementary, numbers have always been exciting for me. In the year 2008, in sixth grade, I first encountered sudoku. I became the regional champion and joined the 12th Philippine Sudoku Super Challenge, where I placed 1st Runner-Up in my age category. I represented the Philippines in the 2012 Beijing International Sudoku Tournament held in Beijing, China, and in the 6th BRAND’s Sudoku Thailand International Open held in Thailand.
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