0:Null Annotation (null move not permitted in pgn notation)
1:Good move (!)
2:Poor move (?)
3:Excellent or brilliant move (!!)
4:Very poor move/blunder (??)
5:Speculative move (!?)
6:Questionable move (?!)
7:Forced move (all others lose quickly)
8:Singular move (no reasonable alternatives)
9:Worst move 