1. Built-in primary and advanced AI algorithms to meet the needs of players of different levels.
2. Save the game at any time, so that players have free time to continue the last game.
3. Regret chess function, convenient for players to make up for careless moves.
4. Full-featured free, no need to recharge.
2. Save the game at any time, so that players have free time to continue the last game.
3. Regret chess function, convenient for players to make up for careless moves.
4. Full-featured free, no need to recharge.
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