Chessnut
Chessnut builds electronic chessboards with real onboard AI. Its Evo computer runs the human-like Maia engine, Stockfish and LC0, recognises every piece, and connects physical play to Chess.com, Lichess, ChessKid and Chessable.
What is Chessnut?
Chessnut is a Hong Kong hardware brand that builds electronic chessboards and the software ecosystem around them. Its flagship, the Chessnut Evo, is presented as a Human-AI Powered Chessboard and as the first genuine all-in-one AI chess computer: a 12.3-inch screen, an eight-core Android system and an onboard NPU sit under a board that recognises every piece through embedded chips.
The AI is not decorative. The Evo ships with Maia, an engine trained to play like a human rather than like a machine, rated between 1100 and 1900 ELO, alongside Stockfish 16 across a 600 to 2850 range and the open-source neural engine LC0. The NPU handles image recognition and simulates human clicks, which is how a physical board drives online platforms directly. Chess.com, Lichess, ChessKid and Chessable are all supported, through the official New Chessnut app on iOS and Android or through third-party software from an open marketplace.
The most distinctive feature is ChessMind. Upload a real opponent's past games and the service trains a personal engine that imitates their style; training runs 40 to 60 minutes on Amazon EC2 g5.4xlarge instances with NVIDIA A10G GPUs. Chessnut Companion, an AI chess clock, adds the Grandeur analyst: live move feedback, game summaries and accuracy breakdowns, plus voice control, position recognition through a Vision function, and a motorised switch that presses the clock when the opponent moves.
The rest of the range is more conventional. Chessnut Move is a robotic board whose pieces move themselves, and it won a Best Choice Award at COMPUTEX 2026. The Air, Air+, Pro and Go boards carry piece recognition but no onboard AI: the company states plainly that a computer, phone or tablet is needed to face an engine on those models. Boards are sold outright through the official Shopify store, regional Amazon storefronts, AliExpress and authorised dealers across four continents. The Evo interface runs in six languages, while the Chessnut app is English only.
What it does
- Play against a human-like AI directly on the board, with no phone or tablet needed on the Evo
- Play on Chess.com, Lichess, ChessKid and Chessable from a physical chessboard
- Recognise the position and every individual piece through chips embedded in the pieces
- Train a custom engine on a real opponent's past games with ChessMind
- Analyse a game live with move-by-move feedback, a game summary and an accuracy score
- Broadcast a game in real time through a shareable HTML5 link
- Press the clock automatically when the AI or online opponent moves, on the Companion
When to use Chessnut / When not to
A quick filter to help you decide if Chessnut is the right fit.
When to use Chessnut
- Club and tournament players who want to keep a physical board while facing opponents online
- Chess coaches and teachers who need automatic notation, live move feedback and game summaries
- School teachers and chess club organisers introducing the game to beginners
- Improvers who want a human-like sparring partner rather than a crushing engine, from 600 to 2850 ELO
- Competitors preparing against one specific rival, using a custom engine trained on that rival's games
When not to use Chessnut
- Players looking for a free, software-only trainer: nothing works without buying a board first
- Buyers of the Air, Air+, Pro or Go models who expect onboard AI, as those boards need an external device
- Anyone wanting to export a trained engine to another device, which the company states it does not support
- Buyers outside the US and EU who are sensitive to shipping fees, customs duties and import taxes
- Users who want their own chess pieces, since only Chessnut chipped pieces are recognised
How to use Chessnut
A typical end-to-end flow, from setup to results.
- Choose a model: Evo for onboard AI, Companion for the AI clock, Move for robotic play, or Air, Air+, Pro and Go for a board without built-in AI
- Order from the official store, a regional Amazon storefront, AliExpress or an authorised dealer
- Create a Chessnut account from the app, from the Evo itself or on the ChessMind website
- Install the official New Chessnut app on iOS or Android, or pick a third-party app from the marketplace
- Switch the board on by holding the power button for three seconds, until the light turns from red to green
- Connect over Bluetooth from inside the app rather than from system settings: enable GPS, grant location permission, then tap the Bluetooth icon
- Sign in to Chess.com, Lichess, ChessKid or Chessable and play online on the physical board
- On the Evo, select Maia or Stockfish and set the ELO level to play offline against the engine
- For a custom engine, subscribe to ChessMind or buy sessions, upload the opponent's games and wait 40 to 60 minutes
- Generate the HTML5 broadcast link from the app to share a game as it is played
Pros & Cons
Pros
- Genuine onboard AI on the Evo: Maia can be played without a phone or tablet
- Maia plays like a human of a chosen strength, which makes training more realistic than a classical engine
- Training an engine on one specific opponent's style is rare on this market
- Broad platform support: Chess.com, Lichess, ChessKid and Chessable
- Open ecosystem with a third-party app marketplace, LC0 integration, a PC driver and a Chrome extension
- Custom engines stay usable free of charge after the subscription expires
- Two-year warranty in the EU, one year elsewhere, replacement rather than repair, and a 30-day price match
Cons
- High entry cost: 179.99 USD for the Go, 566.99 to 899 USD for the Evo, up to 1099 USD for Move and Pro
- Onboard AI is limited to the Evo and the Companion; Air, Air+, Pro and Go need an external device
- ChessMind is billed on top of the hardware, at 19 USD monthly, 99 USD yearly or 5 USD per session
- A trained engine cannot be exported to another device
- The official Chessnut app is available in English only
- The privacy policy dates from 2023 and still contains unfilled Shopify template blocks, alongside a CCPA statement that personal information is sold
- No DPA, no published subprocessor list and no EU Article 27 representative
Pricing & Plans
There is no free version: using Chessnut requires buying a board. Hardware is a one-off purchase, starting at 179.99 USD for the Chessnut Go and rising to 566.99 USD for the Evo, 459 USD and above for the Companion, 719 to 799 USD for the Move and 855.99 USD for the Pro. The ChessMind engine training service is billed separately, at 19 USD per month, 39 USD per quarter or 99 USD per year for unlimited training, with a pay-as-you-go option at 5 USD per session. Every other Evo feature, including the Stockfish and Maia engines and Chessnut Vision, is provided at no additional cost.
- 19 USD
- unlimited engine training
- 39 USD
- 99 USD
- 5 USD per training session
- with two bonus sessions per 10-session pack
- Chessnut Go 179.99 USD
- Chessnut Evo 566.99 USD
- Chessnut Companion from 459 USD
- Chessnut Move 719 or 799 USD
- Chessnut Pro 855.99 USD
- Optional two-year extended warranty sold per model
- from 49.99 to 159 USD
Data, GDPR & hosting
A consolidated view of how Chessnut handles your data.
GDPR overview
The privacy policy, last updated on 18/10/2023, addresses the GDPR explicitly. It lists the six lawful bases used for EEA residents, sets out rights of access, portability, rectification and erasure, and states that personal data is first processed in Ireland before being transferred outside Europe, including to Canada and the United States, referring to Shopify's GDPR whitepaper. It also declares that no fully automated decision-making with legal effect is carried out on customer data. Two weaknesses stand out. No EU representative under Article 27 and no data protection officer are named, and several Shopify template blocks were never filled in, including the targeted advertising opt-out links and the CCPA bullet points on what is sold and how to opt out.
Who owns the data?
Chessnut keeps ordinary purchase data as a Shopify merchant, and its terms of service claim a very wide licence over anything a user sends in: comments, ideas, suggestions or other material may be edited, copied, published, distributed, translated and used in any medium, with no confidentiality, no payment and no obligation to reply. Personal information is shared with Shopify as processor, with Google Analytics and with advertising partners through Shopify Audiences. The privacy policy also states that the site sells personal information as defined by the California Consumer Privacy Act. Custom engines built through ChessMind remain usable by the buyer after the subscription lapses. Governing law is Hong Kong.
Reuse rights
Games played on the board belong to the player in practice: they can be recorded, reviewed, exported as PGN and broadcast live through a shareable HTML5 link generated in the app, without asking permission. Custom engines trained through ChessMind stay usable free of charge even after the subscription expires, but they cannot leave the platform, as the company states it does not support exporting a trained engine to an external device. Account sharing is forbidden and Chessnut reserves the right to disable an account showing abnormal logins without a refund. Using the Chessnut app on Chess.com or Lichess is not treated as cheating, since it adds no assistive feature and modifies no data on those platforms. Users may request erasure of their personal data by writing to contact@chessnutech.com.
Data retention & training
Hosting summary
The store runs on Shopify, which the terms name as the e-commerce platform and the privacy policy names as the processor handling device, order and support data. The privacy policy states that personal information is first processed in Ireland, then transferred outside Europe for storage and further processing, including to Canada and the United States, and refers readers to Shopify's GDPR whitepaper for the legal basis of those transfers. The ChessMind engine training service runs elsewhere, on Amazon Web Services, using EC2 g5.4xlarge instances with a 16-core CPU and an NVIDIA A10G GPU; no hosting region is stated for that service. The domain resolves to a Shopify address geolocated in Canada and served through a Cloudflare anycast network, which indicates a content delivery node rather than a storage location. No subprocessor list and no data processing agreement are published. Governing law is Hong Kong.
Things to keep in mind
Risks and trade-offs to weigh before adopting Chessnut.
- Leaning on automatic analysis can replace thinking: a player who follows the engine without questioning it improves more slowly
- The terms of service let the company edit, publish, translate and reuse any content a user sends in, in any medium, without payment
- The privacy policy declares that personal information is sold in the CCPA sense, and leaves the related opt-out instructions blank
- Personal data is transferred outside Europe, to Canada and the United States, with no DPA and no subprocessor list published
- A trained engine cannot be exported, so the value built up through ChessMind stays locked to the platform
- Recurring engine training costs are easy to underestimate after an already expensive hardware purchase
- Installing third-party apps on the Evo means sideloading APK files outside any official store, which carries a security risk
Setup & Integrations
Technical difficulty
Setup is straightforward but has one counter-intuitive step. Unbox, charge over USB-C, then hold the power button for three seconds until the light turns from red to green. Bluetooth pairing must be done from inside the Chessnut app, not from system settings: enable GPS and grant location permission, then tap the Bluetooth icon. A Chessnut account is needed for ChessMind. On the Evo, Google services are absent, so third-party apps have to be installed from APK files. Tutorials and documentation are published on the site.
Deployment
Apps stores
Integrations
Supported languages
Behind Chessnut
Social
Resources
All the official URLs gathered for verification and reference.
Frequently asked questions
Which online chess platforms does Chessnut work with?
Is the AI built into the board, or do I need a phone or tablet?
How strong are the engines?
How is ChessMind billed?
Can I export an engine I trained?
Which languages are supported?
Can I use my own chess pieces?
Will playing through the Chessnut app be treated as cheating?
What warranty and returns apply?
Should you pick Chessnut?
Chessnut occupies an unusual place among AI tools, because the product is a physical object first. That said, the intelligence is real rather than cosmetic: the Evo carries an NPU, runs Maia, Stockfish 16 and LC0 locally, and recognises every piece through embedded chips, which is what allows a wooden board to drive Chess.com or Lichess without a phone in the way.
The genuinely distinctive capability is ChessMind. Training an engine on one named opponent's past games, so that it plays in that person's style, is a preparation tool with few equivalents, and the fact that the resulting engine stays usable after the subscription lapses is a fair arrangement. Chessnut Grandeur, on the Companion, extends the same idea into coaching, with live feedback, game summaries and accuracy scoring.
The reservations are practical and worth stating plainly. Entry costs are high, from 179.99 USD to over 1000 USD, and only the Evo and the Companion carry onboard AI. The rest of the range needs an external device, a distinction the marketing does not always make obvious. Engine training is billed on top of the hardware, and a trained engine cannot leave the platform.
Data governance is the weakest area. The privacy policy dates from October 2023, still contains unfilled Shopify template blocks, declares that personal information is sold in the CCPA sense, and offers neither a DPA nor a subprocessor list nor an Article 27 EU representative. None of this is unusual for a hardware brand on Shopify, but it is worth knowing before creating an account.
For a serious player or a coach who wants to keep the feel of wood while gaining engine analysis and a human-like sparring partner, Chessnut is a credible and well-supported option, backed by a two-year EU warranty and dealers on four continents.
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