Lichess Chess School (LCS)

Opening Traps: https://en.lichess.org/study/2V1IrfUk
All variations in French Defense: https://en.lichess.org/study/VT8xHrej
Study about doubled pawns: https://en.lichess.org/study/JDivW7kn
Endgame Practice: https://en.lichess.org/study/iHbj6waL
Austrian Attack with 6.Bd3 for black: https://en.lichess.org/forum/team-lichess-chess-school-lcs/pirc-defense---austrian-attack-with-6bd3-for-black#1
Italian Gambit: https://en.lichess.org/study/fXEvK8lD
HOW TO WIN WON GAMES: https://en.lichess.org/forum/team-lichess-chess-school-lcs/how-to-win-won-games