Chess Ultra achievements

Beat an opponent with an Elo rating more than 150 higher than yours

Using a Knight simultaneously attack the enemy King and Queen

Capture 100 pieces

Deliver a check by two pieces at the same time

Beat an opponent with an Elo rating more than 75 higher than yours

Complete all the tutorials

Create a random online game

Beat an opponent with an Elo rating higher than yours

Draw a game by stalemate

Place a White Knight on e6

Perform an en passant capture

Develop a White King Bishop to b5