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Price and Value of Go boards
The weight of these boards depends on the thickness, but they generally weigh between 10 and 30kg as they are often made of a single piece of wood (not the composite board) and are usually very thick, giving them an incomparably heavy and luxurious feel compared to a table board. We recommend a board with legs for those who want to enjoy playing Go earnestly and for intermediate to advanced-level players.
This board is not suitable for use on a table, unlike the table board. Most Go boards with legs are relatively expensive.
*There are some exceptions depending on the wood's place of origin.
*We are happy to evaluate the value of special boards, such as boards made of very rare wood or boards with maki-e (lacquer with gold-relief).
The reason why Hyuga kaya from Miyazaki Prefecture is of the highest quality is because of the natural environment in which the tree grows. The climate in southern Kyushu and the Miyazaki area has relatively big temperature differences between daytime and night time, a lot of rainfall, and strong direct sunlight, all of which help trees to produce clear-grain grains. The wood grows on rocky terrain and requires several hundred years to grow into a tree large enough to be used as Go board material. This is why it is considered a top-quality product, due to its rarity as well as its wood quality. The grain of the wood is very fine and dense, so it rarely causes warpage or distortion.
Hyuga kaya boards are used in various title matches and famous tournaments. The sound of the placing of stones on the board is very clear. Moreover, as it is used over the years, it will take on a refined candy-colored luster, further enhancing its maturity.
In order to make a one-piece Go/Shogi board or board with legs, it is necessary to get a large tree between 200 and 800 years old. However, since logging is now prohibited except in some privately owned forests, large diameter Hyuga kaya wood is almost impossible to find on the market. The availability of close-grain grain is becoming more and more difficult year on year, especially for Hyuga kaya boards with legs made from one piece of wood. For these reasons, Hyuga kaya is a "top quality material" in terms not only of value and price, but also quality and rarity.
There are three types of kaya trees: "Hyuga Kaya" which is grown and harvested in a mountainous area in the southern part of Kyushu, Japan, "Japanese-grown honkaya" which is grown in other areas of Japan, and "Chinese-grown honkaya" which is mainly grown in Yunnan Province, China. Generally, Japanese-grown honkaya is said to be better than Chinese honkaya in terms of quality.
The main difference between Japanese and Chinese kaya is the wood quality, caused by the natural environment where the tree was grown. Japanese kaya is usually lighter and more yellowish in color and has a unique wood aroma. Depending on your preference, Japanese kaya is generally more highly valued than Chinese kaya, and the value and price of Japanese kaya tends to be higher due to the rarity of the wood.
In order to make a one-piece Go/Shogi board or board with legs, it is necessary to get a large tree between 200 and 800 years old. However, since logging is now prohibited in many forests in Japan, large-diameter kaya wood is almost impossible to find on the market. The procurement of kaya is becoming more and more difficult and the Japanese honkaya Go board is getting rarer year on year.
There are three types of kaya trees: "Hyuga kaya" which is grown and harvested in a mountainous area in the southern part of Kyushu, Japan, "Japanese-grown honkaya" which is grown in other areas of Japan, and "Chinese-grown honkaya" which is mainly grown in Yunnan Province, China. Generally, Japanese-grown honkaya is said to be better than Chinese honkaya in terms of quality.
Chinese kaya tends to be less valued than Japanese kaya due to its reddish wood color, wood quality, and rarity, but this material is often sold at a relatively affordable price for a high-quality board.
Hiba is known as a highly durable wood because of its resin content, which makes it resistant to decay and water. It is widely used as a board material because of its bright white color and inconspicuous grain.
Hiba is also famous for being used in the Golden Hall of Chuson-ji Temple, which is a historical building designated as a National Treasure of Japan. It is mainly used as a material for buildings, ships, civil engineering, and railroad sleepers because of its resistance to water and moisture. The bark is also used as a match cord or rope.
Hiba is also called "asunaro" (literally meaning "let's become a cypress tomorrow"). In recent years, this wood has also attracted attention for its antibacterial "hinokitiol" content.
Ginkgo wood is light yellow in color with an indistinct grain. It is widely used for Go/Shogi boards and other utensil materials such as the abacus, cutting boards, etc., carving materials such as seals, woodblocks, and mokugyo (a fish-shaped wooden drum at Buddhist temples), building materials such as ceiling boards, and the base wood for lacquer ware.
Ginkgo grows very quickly, reaching a height of about 30 to 40 meters and a diameter of about 5 meters, so large trees with relatively large diameters can be harvested.
Spruce wood is also used as SPF (spruce, pine, fir) material for furniture and building materials, but unlike kaya wood, it shows significant deterioration over time, such as changes in wood color, and has a shorter life span.
Shihou-masa is an ideal cutting style with straight grain (masame)* on the top, bottom, and both sides (players' sides) of the board. This cutting style is only possible when the wood is cut out from a tree with a large diameter, so we can say that the word shihou-masa means the boards are made from trees with a large diameter or a well-aged tree. Therefore, it is regarded as the most valuable board with a higher price. Especially, a board made of kaya wood (Japanese Torreya) shihou-masa is very expensive, sometimes priced in the millions or even tens of millions of JPY (several thousand to several hundred thousand US dollars), because they are extremely rare and hard to get.
Tenchi-masa literally means the grain runs from the top to the bottom or from the sky (ten) to the earth (chi). As there is no visible itame (flat grain), you can see the beautiful masame (straight grain) from the top to the bottom of the board. When the top and bottom surfaces have masame (straight grain) but the side has itame (flat grain), the board is classified as tenchi-masa. Just like the shihou-masa board, the tenchi-masa board is made from a large-diameter, well-aged tree.The kaya (Japanese Torreya) tenchi-masa board is synonymous with the finest Go boards made of valuable wood.
Also, most of the boards called tsugi-ban or hagi-ban (composition boards made from several pieces of wood joined together) have tenchi-masa or masame (straight grain).
Ten-masa has masame (straight grain) only on the top surface of the board. The bottom surface has itame (flat grain). The general masame boards belong to this type. The top surface is beautifully finished so the ten-masa board is highly valued.
The oi-masa board has itame (flat grain) on only one side of the top surface of the board. The center (core) of the log often has this grain pattern, which is cut out between masame and itame.
This cutting style applies to the center (core) of the log and itame (flat grain) appears on the top surface of the board. The top surface has masame (straight grain) at both ends and an oval or bamboo shoot-like pattern or irregular itame pattern in the center. Itame (flat grain) appears on the top surface. This is the most valuable cutting style of the itame wood.
This cutting style applies to the center (core) of the log and itame (flat grain) appears on the bottom surface of the board. The top surface has a bigger oval bamboo shoot-like pattern or irregular pattern than kiura. This cutting style is implemented only when the log has some problems such as knots or gum pockets that should be avoided to ensure kiura, so the kiomote board often has problems on the bottom side.
The Itame board has little or no straight grain (masame) on the top surface, but has big itame (flat grain) instead. Many thin boards have this itame, which is prone to cracking and deformation.
A board with legs boasts sublime beauty and great presence, and the high-end and expensive board always refers to a board with legs. The weight of the board is proportional to the thickness of the board, in general, a 3-sun (approx. 6cm) board weighs about 3-4kg, and heavier boards sometimes weigh from 10kg up to over 30kg.
When we make Go/shogi boards from natural wood, problems* cannot be detected at all with the logs right after harvesting. After the lumber is completely dried, the presence and nature of problems finally becomes apparent during the finishing process of the board.
Although it is better to have a flawless board, of course, it is extremely difficult to manufacture a board without any problems as long as it is made from natural wood. * Problems: scratches or flaws
However, when the material itself is too large in diameter to make a one-piece board, or when the board cannot be made from a single piece of wood for any reason, it is sometimes made by joining pieces of wood together. A board made in this way is called a "tsugi-ban" or "hagi-ban" (joined or composite board). There are several types of these boards and the ones with a fewer number of pieces, with less variation in color and grain, are regarded as more valuable. When using a composite board, we collect material wood that is as close as possible in wood color and grain in order to make the board as consistent as possible. Then, the joints are precisely calculated and bonded together so that the lines are placed right over the joints as much as possible. (Not ensured in some cases)
In fact, we spend more time and effort to produce tsugi-ban boards, which are slightly less valuable than one-piece boards. The composite board also has some advantages: since multiple pieces of material are joined in parallel, each piece is narrower and less prone to warping.
This is a traditional technique in which urushi lacquer is applied to the edge of the blade of a Japanese sword and a line is drawn on the surface of the board using the curve of a Japanese sword blade.The term tachi-mori (drawing lines with a Japanese sword) is often thought of as "cutting into the board with a Japanese sword and coloring it with lacquer," but in reality, the edge of the Japanese sword used for tachi-mori is curved, so it cannot cut the board. The correct expression would be "the edge of the Japanese sword is used as a brush to draw lines by heaping up the lacquer". If you touch a line drawn by tachi-mori with your fingertip, you will feel that the line is heaped up. This is why the expression "heaping up" should be used.
In the case of a regular 19 x 19-ro board, there are 19 vertical lines and 19 horizontal lines, for a total of 38 lines. Lines of the same thickness cannot be drawn unless they are drawn at a constant speed. After the lines are drawn, nine hoshi (stars) are written at the end, including the tengen center. The tachi-mori process cannot be redone, so if a mistake is made, the top surface must be re-planed and re-drawn.
Urushi lacquer, which is the main material used in tachi-mori, is an ancient Japanese paint that is difficult to handle and a bit troublesome because it can cause a rash in some people and temperature and humidity control is essential. Normally, in order to dry commonly-used paints, the humidity should be lowered, but in the case of lacquer, it should be totally opposite. Lacquer does not dry when the humidity is low and dries too much when the humidity is high. This is because the moisture in the air causes a chemical reaction with the lacquer's components, causing it to harden. However, if the humidity is too high, the lacquer will wrinkle and lose its luster, which is one of the charms of lacquer. The temperature for drying lacquer is also important, and it is essential to control the temperature and humidity to ensure that the lacquer dries properly.However, once thoroughly dried, the lacquer has excellent resistance to water, moisture, acid, alkali, thinner, alcohol, strong acids, and hydrogen fluoride, which melts the glass and other substances. It also has an excellent luster, which is one of the characteristics of lacquer. It hardens year by year, so it becomes more beautiful with age than immediately after it is applied.
Another reason why lacquer is used for drawing lines on the boards is that once it hardens, it is strong enough and never melts or softens again. This tachi-mori technique can only be mastered by a professional craftsperson who has been trained for many years. The lacquer selection, the mixing method, the thickness of the lines, the Japanese sword, and the drawing speed vary from each artisan, resulting in the unique characteristics of each artisan in terms of the line fineness, color, luster, and height of the lines.
*In some cases, urushi lacquer is not used for tachi-mori.
Screen-printing is a type of stencil printing in which ink passes through the mesh of a screen mask made of synthetic fibers, such as polyester or metal fibers or stainless steel, and is printed on the object. Using this screen-printing method, the lines of the board are printed on the top surface of the board.
This method is used for relatively inexpensive boards because it does not require the same amount of time and effort as the traditional tachi-mori method.
The board used in a regular Go match is a 19-ro board with 19 vertical and 19 horizontal lines. There are 361 points to place a Go stone, so the standard quantity of stones is 181 black stones and 180 white stones, one additional stone for the first player.
Other than 19 x 19 Go boards, there are 13 x 13, 11 x 11, 9 x 9, and 6 x 6 Go boards that have fewer horizontal and vertical lines. The smaller the number of ro (grid lines) on the board is, the shorter the playing time will be, so these boards are used by those who want to enjoy a Go game in a short time, those who teach Go, and beginners for their practice. They are also in high demand for interior decoration. Recently, 9 x 9 Go boards have become increasingly popular, as they take up less space, are less expensive, and are lighter than 19 x 19 Go boards.
Mr. Yoshida's boards bear the inscription " 一如 Ichijo" (meaning "oneness" in Japanese) as proof of his craftsmanship. The word "ichijo" is derived from the phrase "Busshin Ichinyo," which means "matter and mind are one". This is his belief that in making a Go/Shogi board, the board and the mind must be one and the same. Therefore, the "Busshin Ichinyo 物心一如" is written on the board as proof that the board and the mind are one and the same when making the Go/Shogi board.
The features of a board produced by Mr. Yoshida Torayoshi are the materials that are carefully selected by a reliable connoisseur, the cutting style (how the board is cut out from woodblock), the finish that is based on a thorough evaluation of the properties and features of each piece of wood, and the tachi-mori, a thin, delicate line drawn with Japanese genuine lacquer that creates elegance and beauty.
Material Comparison Chart
| Material | Price Range | Features |
|---|---|---|
| Shin-Kaya (Spruce) | Approx. ¥10,000–¥200,000 | Ideal for beginners and everyday use. Closely resembles true Kaya in grain and color at a lower price. Playing feel is comparable to genuine Kaya, and the wood resists warping and cracking. |
| Ginnan (Ginkgo) | Approx. ¥several thousand–¥50,000 | Pale yellow in color with a dense, uniform grain. Highly stable with minimal warping. A traditional material used not only for Go and Shogi boards but also for woodblocks and carvings. |
| Katsura | Approx. ¥several thousand–¥50,000 | A deciduous hardwood primarily sourced from Hokkaido. Long used as board material. The playing feel is firm, yet the sound resonance is pleasant. Color deepens to a rich brown over time. |
| Hiba (Japanese Thuja) | Approx. ¥several thousand–¥50,000 | Bright, whitish wood with a subtle grain — widely used as board material. Known for its distinctive fragrance and excellent durability. Playing feel is good, though sound resonance is moderate. |
| Chinese Kaya | Approx. ¥50,000–¥3,000,000 | Genuine Kaya sourced mainly from Yunnan Province, China. Tends to have a redder hue and slightly harder grain than Japanese Kaya. Less rare than domestic Kaya, but high-quality boards are available at relatively accessible prices. |
| Japanese Kaya | Approx. ¥50,000–¥5,000,000 | Domestic genuine Kaya. Characterized by a bright, distinctly yellowish color and unique fragrance. Combines superb playing feel, natural resilience, and beautiful grain. Increasingly rare year by year — a premium material. |
| Hyuga KayaPremium | Approx. ¥50,000–¥5,000,000 | The ultimate board material — used in all major title matches. Carefully selected from the mountains of southern Kyushu, Miyazaki. Playing feel, sound resonance, and fragrance born of its dense grain are unrivaled. The absolute pinnacle of Go board materials in both quality and rarity. |
※ Prices vary depending on multiple factors including board thickness, wood grain cut, quality, and craftsman. Please refer to each product page for details.
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