To help you prepare for chess tournament, here’s a chess practice plan

Tactics Warm-up (15 mins):

https://lichess.org/training/veryLong

https://lichess.org/training/hangingPiece
https://lichess.org/training/advancedPawn
https://lichess.org/training/trappedPiece
https://lichess.org/training/kingsideAttack
https://lichess.org/training/queensideAttack
https://lichess.org/training/enPassant
https://lichess.org/training/capturingDefender
https://lichess.org/training/clearance
https://lichess.org/training/sacrifice
https://lichess.org/training/exposedKing

Opening Tactics (20 mins):

https://lichess.org/training/opening

(Black)
https://lichess.org/training/Caro-Kann_Defense_Advance_Variation
https://lichess.org/training/Sicilian_Defense
https://lichess.org/training/French_Defense_Advance_Variation

(White)
https://lichess.org/training/Queens_Pawn_Game_London_System
https://lichess.org/training/Italian_Game_Classical_Variation
https://lichess.org/training/Ruy_Lopez_Berlin_Defense

Positional Understanding (15 mins):
https://lichess.org/training/middlegame
https://lichess.org/training/defensiveMove
https://lichess.org/training/equality
https://lichess.org/training/advantage
https://lichess.org/training/crushing
https://lichess.org/training/long(3 moves to win)

Endgame Tactics (10 mins):
https://lichess.org/training/endgame
https://lichess.org/training/pawnEndgame
https://lichess.org/training/queenRookEndgame
https://lichess.org/training/queenEndgame
https://lichess.org/training/knightEndgame
https://lichess.org/training/rookEndgame
https://lichess.org/training/bishopEndgame

Application in Game (20 mins):

Play a couple of online games, focusing on applying the tactics and strategies you’ve been practicing.