Most rating points between 1400 and 1600 come from seeing everything forcing, fast. These drills make checks, captures and loose pieces jump out before you calculate anything.

Play your moves on the board — the app answers instantly. Two misses and it shows you. Every line is engine-checked theory for London · Caro-Kann · Slav.

1. Their idea — name the direct threat; scan new lines, diagonals & files their move opened; did a defender walk away, leaving something loose?
2. Forcing moves — every check, capture & threat, yours first, even the absurd ones. They dictate tempo and reveal the hidden combinations.
3. Positional improvement — no tactic? Find your worst piece and a route to activity; hunt pawn breaks and structural weaknesses. (What this means shifts by phase — see the cards below.)
4. Blunder check — visualize the piece ON its new square before moving; safe from a simple capture or tactic? Does it expose the king or abandon a defence?
5. One breath — then move. Sit on your hands.