3+2 Increment Chess Clock

Common uses for a 3+2 increment chess clock

3+2 blitz games
Understanding increment mechanics
Setting up a physical clock
Time-odds and handicap games

In a 3+2 control each player starts with three minutes and receives two seconds added after every move they complete. The increment is added on completion, not on arrival, so a player who moves in under two seconds finishes the move with more time than they started it with — the clock genuinely goes up.

Three minutes plus two seconds is the most played online blitz control, and the reason is that it removes pure flagging while staying fast. Two seconds a move over a sixty-move game is two extra minutes, which is enough to play an endgame properly without turning a blitz game into a rapid one.

When the clock goes up

Moving faster than the increment adds time. In a scramble where both players are moving instantly, both clocks climb, and a position that looked like a race can settle into something playable again.

This is the practical reason increment changes blitz so much. The endgame stops being a contest of who can move fastest before their flag falls, and becomes a contest of who plays it better — which is generally the point of the game.

Increment is not delay

Fischer increment adds time to your clock after each move, and unused increment accumulates. Bronstein delay gives back only what you actually used, up to the delay amount, so your clock never rises above where it started. Simple delay pauses the clock for a fixed period before it starts counting down at all.

The three feel similar in a fast scramble and behave very differently over a long game. Physical clocks label these differently between manufacturers, which is worth checking before a tournament rather than during one.

Time odds with asymmetric increment

Handicap games between mismatched players often use different base times, but adjusting the increment is the subtler lever. Giving the weaker player an increment while the stronger has none changes the character of the handicap rather than just its size.

It rewards the weaker player for playing solidly and removes their most common losing mechanism, which is being flagged in a position they understood. Base-time odds alone do not do that.

How the three common systems handle time returned per move. Physical clocks label these inconsistently between manufacturers.

Increment and delay systems
System	Time added	Can clock rise?	Common use
Fischer increment	Fixed, after each move	Yes	Online, most tournaments
Bronstein delay	Only what was used, capped	No	Some over-the-board events
Simple delay	None — clock pauses first	No	US events, some clocks
No increment	None	No	Classic 5+0 blitz

Increment is added on completing a move, so moving in under two seconds in a 3+2 game finishes with more time than you started.
Asymmetric increment is a subtler handicap than base-time odds — it removes the weaker player's most common losing mechanism.

Source: FIDE Laws of Chess — increment and delay time control definitions

Sources

FIDE Laws of Chess — increment and delay time control definitions , FIDE (Verify current edition) — accessed 2026-07-28

🔗 Related Timers

Fischer Increment Chess Clock

Chess Blitz Timer

Rapid Chess Timer

Bullet Chess Timer

Chess Timer

❓ Frequently Asked Questions

How does a 3+2 clock work?

Each player starts with three minutes and gets two seconds added after completing each move. The increment is added on completion, so moving in under two seconds leaves you with more time than you started the move with.

Can my clock actually go up?

Yes, with Fischer increment. In a scramble where both players move instantly, both clocks climb — which is why increment turns a losing race into a playable endgame.

What is the difference between increment and delay?

Fischer increment adds a fixed amount after each move and accumulates. Bronstein delay returns only what you used, capped, so the clock never rises. Simple delay pauses the clock before it starts counting down.

How much time does a 2-second increment actually add?

Two minutes over a sixty-move game — enough to play an endgame properly without turning a blitz game into a rapid one. That balance is why 3+2 is the most played online blitz control.

Do physical clocks label these consistently?

No. Manufacturers name the increment and delay modes differently, which is worth checking before a tournament rather than discovering at the board with the round about to start.

Can increment be used for time odds?

Yes, and it is a subtler handicap than base-time odds. Giving the weaker player an increment while the stronger has none removes their most common losing mechanism — being flagged in a position they understood.