Rook, Chess Evolved Online Wikia

A Champion unit from the vanilla chess. It can move horizontally or vertically, with no limit. It has a cost of 12. When upgraded, it provides more movement to the Rook, allowing it to move diagonally. Table of Contents: Quick Stat & Upgrades | Strategy | Upgrades (+/-) [ Back to top ] To Upgrade from Rook to Rook+, you need 4 Rook and 75 Dragon Coins. To Upgrade from Rook to Rook++, you need 4 Rook+ and 300 Dragon Coins. To Upgrade from Rook to Rook+++, you need 4 Rook++ and 1500 Dragon Coins.

▷ Chess wiki: 7 things you should know about the excelent game of science

Chessboard - Wikipedia

Inside the (deep) mind of AlphaZero

The Fish That Roared

Rook, Chess Evolved Online Wikia

Blitzwing (G1)/toys - Transformers Wiki

A Very Unlikely Chess Game

Chess, Game, Setup, Board, & Pieces

Unit Gallery, Chess Evolved Online Wikia

Komodo - Chessprogramming wiki