I recommend my books to practice tactics before playing OTB tournaments
Klubai
Chess.com - Polska
52 918 Nariai (-ių)
Chess.com Community
52 959 Nariai (-ių)
Klub Zbigniewa Paklezy
4 287 Nariai (-ių)
Esportovnia - PL club
220 Nariai (-ių)
Erasmus+ Chess
1 145 Nariai (-ių)