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Stupidmate alternatives & similar sites

Stupid Mate — 18 websites ranked by shared content topics, category and on-page relevance.

Each result shows its full tech stack, contacts and AI-policy — not just a name · Browse all sites in Board Games And Puzzles →

Domain	Match	Title	Country/Lang	Category	AI files	Contact	AI-protection
3dcheckmate.com ↗	64 match 1 shared topics	3D Checkmate	en	board-games-and-puzzles Shopify	robots llmsaihumans	emailphone	none
relojajedrez.com ↗	64 match 1 shared topics	Clock Chess - Digital Chess Match Timer	en	board-games-and-puzzles	robotsllmsaihumans	emailphone	none
chessnutech.com ↗	63 match 1 shared topics	Smart Chess Boards & Electronic Chess Sets \| Chessnut	en	board-games-and-puzzles Shopify	robots llmsaihumans	emailphone	none
ethan-chess.com ↗	63 match 1 shared topics	Ethan's Chess Prototype	en	board-games-and-puzzles	robotsllmsaihumans	emailphone	none
escaque.org ↗	63 match 1 shared topics	Números, escaques y figuras - Exploring Mathematics and Chess	en	board-games-and-puzzles	robotsllmsaihumans	emailphone	none
vitechess.com ↗	63 match 1 shared topics	Vitechess — Learn chess by practice, not by rote	en	board-games-and-puzzles	robotsllmsaihumans	emailphone	none
omegachess.com ↗	63 match 1 shared topics	Omega Chess - A Bigger Board, Bolder Strategy \| Play Free	en	board-games-and-puzzles	robotsllmsaihumans	emailphone	none
battlechess.ai ↗	63 match 1 shared topics	BattleChess.AI - Epic Chess with Animated Battles	en	board-games-and-puzzles	robotsllmsaihumans	emailphone	none
squareoffchess.com ↗	63 match 1 shared topics	The Smartest Chess Board Ever Made \| Square Off	en	board-games-and-puzzles Shopify	robotsllmsaihumans	emailphone	none
squareoffnow.com ↗	63 match 1 shared topics	The Smartest Chess Board Ever Made \| Square Off	en	board-games-and-puzzles Shopify	robotsllmsaihumans	emailphone	none
squareoffpro.com ↗	63 match 1 shared topics	Square Off Pro – Smart & Electronic Chess Boards	en	board-games-and-puzzles WordPress	robotsllmsaihumans	email phone	none
247chess.com ↗	62 match 1 shared topics	Chess 247 - Play Free Chess Games Online	en	board-games-and-puzzles	robotsllmsaihumans	emailphone	none
3-chess.com ↗	62 match 1 shared topics	3Chess - Play three player chess online	en	board-games-and-puzzles	robotsllmsaihumans	emailphone	none
onlinechess.com ↗	62 match 1 shared topics	iChess • Play Chess vs Computer	en	board-games-and-puzzles	robotsllmsaihumans	emailphone	none
online-boardgames.com ↗	62 match 1 shared topics	Board Games - Play Chess, Draughts & Checkers Online	en	board-games-and-puzzles	robotsllmsaihumans	emailphone	none
onlinebarca.com ↗	62 match 1 shared topics	Online Barca – Play the Watering Hole game online	en	board-games-and-puzzles	robotsllmsaihumans	emailphone	partial · 8
chesscentral.com ↗	62 match 1 shared topics	Chess Sets, Pieces, Software, Downloads and Supplies - ChessCentral	en	board-games-and-puzzles BigCommerce	robotsllmsaihumans	emailphone	none
1movechess.app ↗	62 match 1 shared topics	One Move Chess	en	board-games-and-puzzles	robotsllmsaihumans	emailphone	none

How the match score works

Each match is a 0–100 similarity score — the higher it is, the more two sites resemble one another. It’s computed automatically from our own crawl data (never from what a site says about itself) by combining several independent signals, so a high score means several of them point the same way:

shared topics how many of the same fine‑grained content topics (IAB sub‑categories) both sites cover — the main signal.
same category whether they sit in the same business / industry category.
content & title how closely their titles and page descriptions line up in wording and meaning.

No single signal decides the result — they’re blended together. Treat the score as a way to rank candidates rather than an absolute percentage; the chips on each result show which signals contributed.