I have outlined in the Chess Training Program Outline (for up to 2100 ELO) that tactics is an important part of the chess player's preparation and it is recommended to practice it on regular basis (our program recommends 20 hours of tactics training). I also published various chess tactics studies which should help sharpen your skills: Study 1 - Mate in 2, Study 2 - Mate in 2 and Study 3 - Mate in 2.

Today's 7 tactics problems are taken from actual games and therefore more useful for practical chess player than arbitrary chess studies.  Try your bets to complete all of these at once and note (comment below) the amount of time it took you to complete them.

#1 White to move and win material

#2 Black to move and mate

#3 White to move and mate

#4 White to move and win material

#5 Black to move and win material

#6 White to move and win material

#7 White to move and win material

Don't forget to mark down the time it took you to solve these 7 problems!