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Projectcheckmate alternatives & similar sites

Chess Arena — 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
mychesspal.com ↗	70 match 1 shared topics	My Chess Pal	en	board-games-and-puzzles	robotsllmsaihumans	emailphone	none
kcknights.org ↗	70 match 1 shared topics	KC Chess	en	board-games-and-puzzles	robotsllmsaihumans	emailphone	none
deckchess.com ↗	69 match 1 shared topics	Deck Chess!	en	board-games-and-puzzles	robotsllmsaihumans	emailphone	none
memchess.net ↗	69 match 1 shared topics	MemChess	en	board-games-and-puzzles	robotsllmsaihumans	emailphone	none
karpovchessacademy.org ↗	69 match 1 shared topics	Karpov Chess Academy	en	board-games-and-puzzles	robotsllmsaihumans	emailphone	none
karpovchessclub.com ↗	69 match 1 shared topics	Karpov Chess Academy	en	board-games-and-puzzles	robotsllmsaihumans	emailphone	none
dchesszone.com ↗	69 match 1 shared topics	D Chess Zone	en	board-games-and-puzzles	robotsllmsaihumans	emailphone	none
minichess.app ↗	69 match 1 shared topics	Mini Chess	en	board-games-and-puzzles	robotsllmsaihumans	emailphone	none
centichess.org ↗	69 match 1 shared topics	Centichess	en	board-games-and-puzzles	robotsllmsaihumans	emailphone	none
kansaschess.org ↗	68 match 1 shared topics	Kansas Chess Association	en	board-games-and-puzzles	robotsllmsaihumans	emailphone	none
caymanchessclub.com ↗	68 match 1 shared topics	Cayman Chess Club	en	board-games-and-puzzles	robotsllmsaihumans	emailphone	none
3dchesskingdom.com ↗	68 match 1 shared topics	3D Chess Kingdom	en	board-games-and-puzzles Shopify	robots llmsaihumans	emailphone	none
amarillochessclub.com ↗	68 match 1 shared topics	Amarillo Chess Club	en	board-games-and-puzzles Wix	robots llmsaihumans	emailphone	none
idahochesscoach.com ↗	68 match 1 shared topics	Idaho Chess Coach	en	board-games-and-puzzles WordPress WooCommerce	robotsllmsaihumans	emailphone	none
1movechess.app ↗	68 match 1 shared topics	One Move Chess	en	board-games-and-puzzles	robotsllmsaihumans	emailphone	none
decaychess.com ↗	68 match 1 shared topics	Decay Chess	en	board-games-and-puzzles	robotsllmsaihumans	emailphone	none
kcgirlschesslab.com ↗	68 match 1 shared topics	KC Girls' Chess Lab	en	board-games-and-puzzles	robotsllmsaihumans	emailphone	none
365chessacademy.com ↗	68 match 1 shared topics	Killer Chess Training	en	board-games-and-puzzles WordPress WooCommerce	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.