1. Good Habit
2. Killer King
3. Castle Victory
4. Searching For Bobby Fischer
1. Good Habit
2. Killer King
3. Castle Victory
4. Searching For Bobby Fischer
Good Habit- By being online 7 days
Killer King- Checkmating by moving the king with a discovered check
Castle Victory- By Checkmating with Castle
Searching for Bobby Fischer- Searching for Bobby Fischer
I've got:
Good Habit
Chess Marathon
Quick Knockout
Nick of Time
Full House
Searching for Bobby Fischer
Pen Pal
I think those were all 'secret' ones ...
1-!First
2-Killer King
3- Castle Victory
4-Juggler
5-Nick of Time
6-Full House
7-Searching for Bobby Fischer
8-Quick Knockout
9- Full Day
10- Good Habit
11- Good Read
12- Precious Snowflake
13- Nutcracker
14-Full Stocking
15- Jingle Bell
16- Holly Berry
17- Man vs Machine
Chess Marathon is a secret achievement that one person mentioned, above. You get it by playing a Live chess game of more than 100 moves.
I know about it, but I don't have it, because my 108-move game was against a bot.
Write all the secret achievements that you know