Small Go Boards |
January 21st, 2023 |
| games, go |
You can make a small go board by blocking off the corner of a larger one, with rubber bands or pieces of cardboard, or you can sketch one on paper, but this is not very satisfying. Unfortunately, no one seems to sell very small boards: you can buy 9x9 boards but not 7x7 or 5x5.
I made a 5x5 board a year ago, and it has gotten a lot of use, so I decided to make a few more. This time I wanted to make enough that I can keep at least one at my dad's house and one at the office in addition to one for home. So:
The process was similar to last time. I started by cutting 3/4" plywood into rectangles. But how big?
The cells on a Go board aren't squares: they're traditionally ~7% taller then they're wide. Possibly this is to adjust for perspective when you look down on the board at an angle? You normally space the lines 7/8" horizontally and 15/16" vertically, and ideally leave that much for a margin as well, though it could be as small as 1/4" if you had to. This gives us:
| 5x5 | 7x7 | 9x9 | ||||
|---|---|---|---|---|---|---|
| Min | 4" | 4 1/4" | 5 3/4" | 6 1/8" | 7 1/2" | 8" |
| Ideal | 5 1/4" | 5 5/8" | 7" | 7 1/2" | 8 3/4" | 9 3/8" |
It's also fine if they're bigger than what I've called "ideal", if you like a larger margin.
In looking through wood scraps some were a bit smaller than the ideal size, but as long as I didn't go below the minimum size I knew the grid would fit.
I cut each piece to be square, and then sanded them smooth. Here's the process of gridding a 7x7:
I started by finding the midpoint:
I marked off ticks at 7/8 and 15/16 from the center:
More ticks for the perimeter:
Drawing in the whole grid with a straight edge:
Starting to ink the lines. You need to be careful to offset the straight edge from your target line because the marker doesn't draw exactly along the straight edge:
Inked the rest of the lines:
Erases the pencil marks:
There's a little mark where I accidentally touched the marker. I removed it later by sanding the spot, though there's a tiny dent now.
Here are all the boards, ready for polyurethane.
And after three coats of poly, protected and shiny:
I'm tempted to list these on Etsy, not because I want to be making them to sell but in the hope someone will try to "rip me off" and then people will be able to get 5x5 and 7x7 boards commercially.
Those boards are beautiful! Well done.
Adam Thanks!
Go is a game?
Do you have a preferred platform for playing Go online? I’d love to have some more (any) humans to play with. Lately I mainly play 13x13 against the SmartGo app on my iPhone.
I love the Etsy trap plan!
I make mine using a laser cutter for the lines. I might as varnish if I make any more.
I had the same philosophy re: learning speed, and played mostly small Go boards for a while.
I started playing Go with my son recently and had been searching for small boards. I hope someone starts producing these!
I would buy a small go board from your etsy! (Yes, I recognize this is not your goal.)
Is it possible to play good games on a 5x5? I tried a few games against AI and it seems like black always takes the whole board
Michael I like the tiny boards mostly for new people. If black is good enough they can definitely take the whole board on 5x5. That point, or a bit sooner, can be good for switching to 7x7.
I wonder if 5x5 Go becomes more interesting if you play with the pie rule?
Benjamin We've played a simpler version where black just isn't allowed to start with the center point, but I do think a swap rule would be interesting!
Benjamin pie rule?
Benjamin is this where the first person plays and the second person picks which color they are?
Chris yes exactly.
Benjamin My guess is that it's more interesting, but still not interesting enough, because it isn't that hard to learn what perfect play looks like for every opening
Jeff Kaufman kids still voluntarily play tic-tac-toe and connect-four, there's a niche for games that are about that interesting.
5x5 is way too tiny, do you play with a komi of 24 or do you use it mostly for teaching new players?
Edit: https://www.jefftk.com/p/simple-5x5-go it seems both, nevermind
New players, yes; I should have been clearer in my intro.
It can also be fun for a bit with experienced players: it took me and my dad a few dozen games before black always won (and lifted all white pieces).
Then set the price high enough that people are unlikely to buy from you but that it sounds very attractive for other people to undercut you in price.
Jave you tried playing with two (or 3 or 4) sides considered "open" - allowing groups to live if they touch those sides (abstracting away a larger board, to teach or practice tactical moves)?
I would find the shiny look rather annoying, wouldn't a matte finish be better ?
They will stop being shiny with a bit of use; the one I made a year ago isn't very shiny anymore.
The shinier finishes are generally more durable, so I didn't want to start with a matte one.