Hi Christopher,Kris2476 wrote:A1 to T1: 16"
A1 to A19: 16.75"
My shinkaya Japanese board (in avatar photo):
A1..T1: ~396 mm ~= 15.6" (narrower than yours)
A1..A19: ~429 mm ~= 16.9" (more stretched than yours)
Board width: ~421 mm ~= 16.6"
Board length: ~455 mm ~= 17.9"
(Stones are more X-axis crampy on my board than on yours!
Interesting!