Free forever · v1 · 5 days

Calculate Like a Stronger Player

Stop guessing forcing lines. Learn a short calculation checklist — then see whether your games still stop one move too early.

• Name the opponent's best reply before moving
• Extend calculation one ply on checks and captures

1. Day 1: Candidate moves first15 min · Free

   Two candidates before you calculate any line.

2. Day 2: One ply deeper on force15 min · Free

   After a good idea, name the opponent's best reply.

3. Day 3: Refute your own idea15 min · Free

   Try to refute your own move before you play it.

4. Day 4: Checks and captures only12 min · Free

   Force first — quiet ideas second.

5. Day 5: Apply it to your games15 min · Free

   Play → upload → check calculation patterns with evidence.

After you finish: apply the habit in real games, upload, and see where this course meets your chess — only with evidence. Keep the knowledge free. Pro gives you a coach that remembers how it applies to YOUR games.