ok so what is the 11 ANNOTATIONS on chess all mean.
A blunder
So a blunder is the worst move in chess because you give your piece to your opponent for no reason and then you lose but if you get lucky your opponent can make a blunder to and you will win.
A miss
A miss is when your opponent made a blunder but you missed the opportunity to use it and win.
A mistake 
A mistake is a bad move but not as bad as blunder so for example its to let your opponent to attack your king.
A inaccuracy
An inaccuracy is to play a useless move like play with one piece twice instead of activating another piece.
A book
A book move is when you play a solid move or a opening, That was analyzed by experts.
A good
A good move is not the best but also not the worst move its 50 % good move.
A excellent
An excellent move is 75 % good move.
A best
A best move is 100 % good move its better than good and excellent move.
A great
A great move is a really powerful its like if you don't play this you lose its extreme.
A brilliant
A brilliant is a a rare, high-level move that usually involves sacrificing material—often leaving a piece intentionally undefended—to achieve a winning position or a forced sequence.
So ya these are the 11 annotions
