Capture Go vs Full Go: What's the Difference?

⏱ Read ~5 min · Updated July 2026 · Part of: Learn Go

"Is capture go real Go?" Yes — it changes exactly one rule. Here's precisely what changes, what doesn't, and why this small version is the recommended entry ramp.

1. What's the same

Both have identical rules for placing stones, liberties, captures, atari, and ko. If you can play capture go, you already know the mechanical half of full Go — how stones are placed, how liberties work, how stones get captured.

🎯 This isn't a simplified version — it's the same ruleset with a different "goal." Capture go's goal is "first to capture"; full go's goal is "surround the most territory." The core mechanics (liberties/captures/life-and-death) are identical.

2. What's different

3. Why start with capture go

Full Go buries the transferable skill — reading captures several moves ahead — under territory theory, scoring, and a 361-point empty board. Beginners get lost on 19×19 (don't know where to play, stones never meet), and never learn the core.

Capture go strips all that away and trains exactly that one muscle (calculation). Every strong player's reading ability is built on this foundation.

🪜 Progression: capture go (4×4) → 9×9 territory game → full 19×19. Skipping the first step and going straight to 19×19 is why many beginners drown.

4. The 4 most common questions from beginners

1. "Is capture go official Go?" Yes — the rules are identical (placing/liberties/captures), only the win condition differs (capture vs territory). It's a recognized beginner variant.
2. "Does learning capture go help with full Go?" Yes. The calculation skill capture go trains (reading several moves ahead to see who runs out of liberties first) is the core of full Go — life and death, capturing races, and defense all depend on it.
3. "When should I switch from capture go to full Go?" When you can consistently spot captures/atari within 3 seconds, you can start 9×9 territory games (your first experience of surrounding territory).
4. "Are 4×4 capture go and 19×19 full Go the same rules?" Core rules are identical (liberties/captures/ko). The difference is board size + win condition (capture vs territory scoring).

5. brainGO's choice

brainGO distills capture go to 4×4, where every puzzle is solvable by an exact engine — the "correct answer" is provably correct, not a guess. This is the purest entry point; territory and scoring come later on bigger boards.

Try this entry ramp

Start where "the game is pure capture."

👉 Play brainGO — your first capture puzzle

FAQ

Are capture go and full Go the same rules?

Core rules are identical (placing/liberties/captures/atari/ko). The difference is win condition: capture go is "first to capture wins," full Go is "most territory wins."

Why recommend starting with capture go?

Because full Go's 361 points make beginners lost (don't know where to play). Capture go isolates the core skill (calculation: reading captures several moves ahead) and trains it directly — this skill transfers to full Go's life-and-death/capturing races/defense.

How long until I can switch to full Go?

When you can consistently spot captures/atari within 3 seconds, start 9×9 territory games. Capture go is the foundation; 9×9 is the first territory experience.

Is 4×4 capture go "real Go"?

Yes. The rules are identical, just a smaller board + capture win condition (not territory). It's a recognized beginner variant, promoted by professional players.

Will learning capture go first give me bad habits that hurt me when I learn full Go?

No — this is a common misconception. Capture go trains counting liberties, reading captures, and visualizing a few moves ahead. These are foundational skills for full Go and are never wasted. The only transition to adapt to is: full Go adds the goal of "surrounding territory," so when beginners first switch to 9×9 they need to learn "what territory is and how to surround it." But once the capture reflex is built, it's immediately useful for life-and-death and capturing races on 9×9. Rather than worry about bad habits, skipping capture go and going straight to 19×19 is the more dangerous path — beginners can't even get their stones to meet.

After capture go, what board size should I move to next?

Recommended: 9×9. 9×9 is the recognized "first territory experience" — small enough not to get lost (81 points, unlike 19×19's 361), but big enough to let you first experience "territory" and "scoring." A 9×9 game usually takes 5-15 minutes, ideal for entry. Once you can reliably make living groups and read out life-and-death on 9×9, move up to 13×13 or 19×19. The progression 4×4 capture go → 9×9 territory → 13×13 → 19×19 is the recommended on-ramp used by professionals.

Related guides

• Learn Go: the visual beginner's guide — the beginner hub (this article's home)
• Capture-go training — the 4×4 method
• Board sizes — 4×4/9×9/13×13/19×19
• Go scoring — scoring for full Go
• Calculation training — the core skill capture go trains