Free
2 endgame problems/day · 20,000 opening repertoire positions · 2 guess-the-move games · 100 problem history · 10-move opening explorer
Checked 14 Nov 2026
2 endgame problems/day · 20,000 opening repertoire positions · 2 guess-the-move games · 100 problem history · 10-move opening explorer
Checked 14 Nov 2026
1 engine thread for 12 hours/day · 20 endgame problems/day · 25,000 repertoire positions · 8 guess-the-move games
Checked 14 Nov 2026
2 cloud engine positions at once · unlimited endgame problems/day · 40,000 repertoire positions · spaced repetition
Checked 14 Nov 2026
Up to 8 engine threads for 96 hours/day · 60,000 repertoire positions · bulk analysis up to 5,000 repertoire positions/day
Checked 14 Nov 2026
1 engine thread for 12 hours/day · 20 endgame problems/day · 25,000 repertoire positions · 8 guess-the-move games
Checked 14 Nov 2026
2 cloud engine positions at once · unlimited endgame problems/day · 40,000 repertoire positions · spaced repetition
Checked 14 Nov 2026
Up to 8 engine threads for 96 hours/day · 60,000 repertoire positions · bulk analysis up to 5,000 repertoire positions/day
Checked 14 Nov 2026