Tactics practice on chesstempo

Improving your tactics - Gollum's Chess Reviews

How important are chess tactics? - Quora

Chess tempo - Train chess tact - Apps on Google Play

Chess Tempo: Chess tactics on the App Store

Gollum's Chess Reviews: Improving your tactics

Opening training

Download Chess tempo - Train chess tactics MOD APK v Play online for Android

The 5 Most Common Tactical Motifs in Chess –

Chess Study: Workman's Tools - Petar Peychev

Learn Chess Tactics by Nunn, John

If tactics are so important to improving in chess then why isn't everybody a 2000+ rated player from just using Chesstempo? - Quora