Four Knights Opening 4.a4!? (Modern Idea)

♘ 4.a4 – The Ultimate Anti-Theory Weapon in the Four Knights (White Repertoire)

Surprise your opponents with the rare but powerful 4.a4!?, sidestepping drawish theory and taking them into fresh territory.

✅ Covers all 8 major Black responses:
 • 4…d5 – classical counter
 • 4…Bb4 / Bc5 – early pressure setups
 • 4…a6 / g6 – slow plans you can exploit
 • 4…Nd4 / Be7 / Bd6 – tricky and passive tries

✅ Deep analysis with clear plans for White
✅ Strategic explanations + tactical ideas
✅ Practical weapon for club and tournament players
✅ Forces your opponent out of book early