Surely among us have played checkers a couple of times, this is a very popular game among schoolchildren and students. The game has a fairly simple gameplay, but requires the player's intelligence and ingenuity to quickly win against the opponent.

The checkerboard is placed on a square divided into 15 horizontal and 15 vertical squares. The chess pieces of 2 players are marked with the letters X and O just like when we play on paper. The game is played in turn, each person will have 15 seconds in each turn, if after this time you do not go, the system will automatically let you lose, so please pay attention to the time.

During the game, the player who can arrange 5 cards in a vertical, horizontal or diagonal line without blocking the head and tail will be the winner.

* Functions :
- Play against millions of opponents online.
- Make friends and play with your friends.
- Search for opponents quickly and easily.
- Ranking based on your ability.

* ZingPlay Caro will be divided into 10 levels for players to strive for, as well as compete with players of the same level and rank as you:

Introduction: When the score is from -9999999 –> 1600.
Apprenticeship: When the score is from 1601 –> 1690.
Player: When the score is from 1691 –> 1780.
Dismissal: When the score is from 1781 –> 1870.
Master: When the score is from 1871 –> 1960.
Super master: When reaching the score from 1961 -> 2050.
Player: When the score is from 2051 –> 2140.
Grandmaster: When the score is from 2141 –> 2230.
First period: When the score is from 2231 –> 2320.
Holy period: When the score is from 2321 to 9999999.