Archive: undefined/2014

Equipment Review: Slate and Shell Sample

Slate and Shell Go Stones - Sample Pack - Size 36 Biconvex

Description: “This is a sample pack of our size 36 slate and shell Go stones, which are among the highest quality Go stones available. It contains three black stones and three white stones. Size 36 refers to the thickness of the stone (in this case 10.4 mm or 0.41 inches). The additional thickness and weight of these stones gives them a pleasant feeling in your hand and produces a sharp and satisfying snapping sound when the stones are played.” - GoGameGuru

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Archive: undefined/2013

Equipment Review: The Go Bento Box

Go Game Set Bento Box

Description: The “Go Game Set Bento Box” this is perhaps the first product I’ve seen that aims to provide players with a portable set of go stones that are not cheap plastic stones. Not only do they pack away very well and are easy to carry, but the stones are also a respectable size and material that should delight any go player who wants a portable set of stones!

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Equipment Review: Yunzi Biconvex Stones Set

Yunzi Biconvex Stones Set

Overall Rating: 10 / 10 Ponnuki


  • This is a fantastic set that comes with quality stones and bowls.
  • The stones are durable so you can play them with as much force as you’d like without fear of easily damaging them (as you might with slate and shell stones).
  • Bowls are excellent quality and have a beautiful finish to them.

Product Details

  • 180 white and 181 black genuine Yunzi stones.
  • Large Size 33 double convex stones measure 9.2mm tall and 21mm wide (about 3/8” x 3/4”)
  • Two Kitani style jujube wood Yunzi stone holders that measure 5” W x 4” H (12.7cm x 10cm)
  • Vinyl travel carrying case

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Equipment Review: Go Stones and Bowls Carrying Bag

Go Bowls and Stones Carrying Bag

Overall Rating: 8 / 10 Ponnuki

Important Notice

This review is based on the bag that I received two years ago. Since then, YMImports has upgraded the carrying bag to also include bowl straps as well. With that new feature, the bag’s review would escalate to a 9 or 10 Ponnuki status.


  • Best carrying bag for go stones and bowls that I’ve seen on the market.
  • The bag is made of durable material that hasn’t shown signs of ripping.
  • The handles are a little more fragile, so be a little more careful relying on those.

Product Details

  • Travel vinyl bag with two handles and a single zipper for the top.
  • Fits standard Go bowls up to 5’’ wide and 4’’ high

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