kurokigoishiten

Manager's Recommended 3-Piece Go Set - ⑥ 【Board craftsman Mr.Miwa made Shin-Kaya (Spruce wood) table Go board, clamshell Go Stones and Honkuwa [Mountain mulberry] Go Bowls】

¥299,900 ¥352,400

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3-piece Go set recommended by store manager.
This Go set includes Board craftsman Mr.Miwa made Shin-Kaya (Spruce wood) table Go board size30 (thick about 90 mm) Tachimori finish lines, clamshell Go Stones Premium Blossom grade size 38 and Honkuwa [Mountain mulberry] Go Bowls.

Here’s why we recommend it…
The Go board is Board craftsman Mr.Miwa made Shin-Kaya (Spruce wood) table Go board size30 (thick about 90 mm) Tachimori finish lines.
This table Go board is a substantial board with a thickness of approximately 90mm and a weight of about 7.5kg.
It features the “渓峯 / Keihou” stamp, a mark of craftsmanship by board craftsman Mr. Miwa.

The Go stones are Clamshell Go Stones Premium Blossom grade size 38, offering exceptional thickness and quality worthy of a luxurious board with legs.
With an impressive 10.7 mm thickness, they combine weight, elegance, and a commanding presence—yet are priced at only about one-seventh of the higher Snow grade, making them an outstanding value and a popular choice.
The set includes black Go stones crafted from high-quality Nachiguro slate.

When it comes to luxury Go bowls, nothing embodies excellence quite like Honkuwa [Mountain mulberry] (genuine mulberry) Go bowls.
With their exquisite grain, radiant golden hue, exceptional hardness, and timeless beauty, they stand as the pinnacle of craftsmanship.
Hon-Kuwa Go bowls are the ultimate choice for players and collectors who seek only the very best.

An outstanding choice as a prestigious gift or for your collection, and of course, highly recommended for actual play as well.

Go board : Board craftsman Mr.Miwa made Shin-Kaya (Spruce wood) table Go board size30 (thick about 90 mm) Tachimori finish lines
This table Go board is a substantial board with a thickness of approximately 90mm and a weight of about 7.5kg.
It features the “Keihou” stamp, a mark of craftsmanship by board craftsman Kyoji Miwa.
The lines are crafted using premium domestic natural lacquer.
They are drawn with the tachi-mori technique, using a Japanese sword, resulting in an outstanding finish.
The bottom of the board includes a carved center mark ("heso").
The straight and fine Tenchi-masa wood grain gives the board a remarkably beautiful appearance.
Shin-kaya (spruce) wood, while not of the same quality as genuine Kaya—the finest material for Go boards—is widely used because it is more affordable and has grain and color that closely resemble true Kaya.
The playing feel is comparable to that of genuine Kaya or Hyuga Kaya boards, and the wood is resistant to warping, cracking, or splitting.
Please note : "Shinkaya (spruce)" is a different species from genuine "Kaya."
Please check the photo images.

Please refer to the images in the “Specification” link below for details.

Go stones : Clamshell Go Stones Premium Blossom grade size 38.
Clamshell Go Stones are white stones crafted from natural clam shells.
Each stone is carefully handmade by skilled artisans through more than 20 production processes.
From raw shell to finished product, the process takes approximately 2 to 6 months.
With over a century of tradition, the art of Go stone making has been passed down through generations.
Experience the brilliance of stones meticulously shaped by certified traditional Go stone craftsmen

Quality : These stones meet strict selection standards and are of the highest grade, with virtually no blemishes.

Grade (grain) : Blossom grade — less than 80% of the Go stone shows the distinctive grain found in the higher Snow grade.
Please refer to the sample images of the grain pattern.

Proof of Quality – “Numbering” invisible-printing Each White Go stone manufactured by our shop is engraved with an invisible marking that becomes visible only under a blacklight.
This numbering serves as the mark of Kuroki Goishiten and as a guarantee of authenticity and quality control.
Please check the sample image of the numbering.

Go bowls : These are the renowned Hon-Kuwa (genuine mulberry) Go bowls, synonymous with luxury.
With their exquisite grain, radiant golden hue, exceptional hardness, and timeless beauty, they stand as the pinnacle of craftsmanship.
Hon-Kuwa Go bowls are the ultimate choice for players and collectors who seek only the very best.

*You can find more details on each product via the "Specification" link below.

*You can find more details on each product via link below.

You may find small knots, burrs, rolled-in bark as all these products are made of natural trees.
There may be some small flaw or scratch, dent, chipping.

Only 2 pieces in stock!

How to choose a Go board

For all Go board products, please click here.

For Board craftsman Mr.Torayoshi Yoshida made Go board, please click here.

For Board craftsman Mr.Keiji Miwa made Go board, please click here.

For Board craftsman Mr.Miura made Go board, please click here.

For Go board with legs, please click here.

For Table Go board, please click here.

For Other Go boards such as miniature board, 9*9-ro Go board, Off-spec Go board, etc, please click here.



There are a wide variety of Go boards with a wide range of prices.
The price ranges from a few thousand JPY (less than US$100) to over 10 million JPY (US$100,000), so we recommend that you choose a board that fits your budget, the situation in which you will be using it, and your personal preferences.

Value and Price

Materials
Hyuga Clam Shell
Mexican Clam Shell
Glass, ceramics, etc.
Plastics, etc.
High
Low
Nachi-Kuroishi from Kumano City, Mie Prefecture
Other Domestic Black Stones
Foreign black stone
Glass, ceramics, etc.
Plastics, etc.
Quality
In the case of white Go stones made from clam shells, it is very difficult to produce Go stones without flaws or colors, because there are flaws originating from the material, or flaws are caused in the manufacturing process, or the color of the material remains. In addition, our Go stones have an ideal Go stone shape for each size. Any stones that deviate significantly from this ideal shape are excluded from our products. In the case of Nachiguro Black Go stones, there is no difference in quality compared to Clam White Go stones because there are no stripes and the quality of the material is stable.
Premium grade
Almost flawless Go stones
All of our Go stones, white and black, are selected by our craftsmen for quality. Go stones with almost no flaws are classified as "Selected" grade.
Blue label
Go stones with slight scratches and color remaining
Go stones that have been carefully selected but still have slight flaws and color are classified as "Blue Label" grade. Go stones that do not meet the Blue Label standards will not be commercialized.
Grade
Clamshell White Go Stones Stripe Rank
Snow grade
Top quality (approx. 5-10%)
The grade of Clamshell White Go Stone is ranked by the stripes of the Go Stone. Clamshell White Go stones have stripes on one side of the stone (some stones have a little stripe on the other side). The side with stripes is called "Omote" and the other side is called "Belly". The more stripes on a Clam White Go stone, the thinner the stripes themselves are and the straighter and narrower the distance between stripes, the more beautiful and valuable the Go stone is.
Blossom grade
Grade (stripe) is less than Snow grade
Only clamshell White Go stones with more than 80% of the total stripes are the highest grade "Snow grade". Because only about 5 to 10% of all clamshell White Go stones are produced, "Snow grade" is a very rare and relatively expensive clamshell White Go stone. Striped Go stones that do not meet the "Snow grade" grade are classified by quality as "Premium Blossom grade" for stones with almost no flaws, and "clamshell Go stones Blue Label" for stones that were not selected carefully but still have slight flaws and color.
Size (Thickness)
The thickness of Go stones (Clamshell White Go stones and Nachikuro Black Go stones) are standardized from size 20 to size 50. Clamshell white Go stones are made from natural clam shells, and since only a small number of thicker shells can be obtained, the thicker the Go stone, the more expensive it is. Normally, we sell 12 types of Clamshell Go stones in even numbers from size 28 (7.5mm) to size 50 (14.3mm).
The thickness and diameter of our Go stones are slightly different between white Go stones and black Go stones of the same size. The thickness of Nachikuro Black Go stones is 0.3mm thicker and the diameter is 0.3mm larger than Clamshell White Go stones of the same size.
The standard diameter of the Clam White Go Stone is 21.9 mm, while the diameter of the Nachi Black Go Stone is 22.2 mm.
The reason for this is that white is an expansion color, so when white and black stones of the same diameter and thickness are viewed by the human eye, the black stones appear slightly smaller, so they are adjusted to appear about the same size. If the black stones look smaller on the board, it would seem psychologically disadvantageous, so the stones are adjusted so that they appear to be about the same size to the human eye.
How to choose Go stones

For all Go stone products, please click here.

For Premium Go stones products, please click here.

For Clamshell Go stones BLUE Label products, please click here.

For Go stones Care Kit products, please click here.





There are two types of Go stones: white Go stones and black Go stones.
White Go stones
The most common white Go stones are Clam Go stones, which are made from clam shells. In addition to Clam Go stones, there are also glass and plastic Go stones.
Black Go stones
The most common black Go stones are Nachi-Kuroishi from Kumano City, Mie Prefecture. In addition to Nachiguro stones, there are also stones made overseas, glass, plastic, etc.

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