Warmup
Coordinate Trainer
Learn the board cold. 30 seconds to name as many squares as you can — pattern recognition during your real games gets faster the more fluent you are with the coordinate grid.
Click the square
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30s0 correct · 0 misses · 0%
Personal best
0
squares in 30 seconds
Tips
- White's queenside files are a–d, kingside e–h.
- Light/dark alternates on every move along a file or rank.
- a1 is dark — every odd file+rank sum is light.
- Switch to Black orientation occasionally to stay symmetric.