charlesfn49 Nn
★★★★★
"This app is a great selection of forceful games paused at critical positions. It helped me understand opening strategies and variations. I am making natural moves rather than calculating. This is classic Russian rigor!"
Version: 1.3.3.0
Saubhik Banerjee
★★★★★
"Good tactics training in a particular opening."
Version: 1.6.3.0