https://tools.learningpaths.io/chess-vision-trainer

Some observations for Abhirath

1. a1,h8 is dark square diagonal, can be used to spot whether you are playing white or black mid board
2. files
   1. king - e
   2. queen - d
   3. bishop - cf
   4. knight - bg
   5. rook - ah
3. sqaures

Observations

1. White queen quarter - a1-d4
2. White king quarter - e4-h8
3. Black