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Battambang Opening

-17%
A001.Nc3 e5 2.a3
Mar 25, 2026
TL;DR

An uncommon opening classified under ECO A00 (Irregular Openings). a variation of the Dunst Opening.

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Battambang Opening: A Complete Guide
Battambang Opening - Opening Moves
Summary

The Battambang Opening arises after 1.Nc3 e5 2.a3 and falls under ECO code A00. With 134,814 Lichess games across all rating levels, it is a rarely played opening.

History and Notable Players

It arises from the Dunst Opening: 1...e5.

Statistics

Based on 134,814 Lichess games across all rating levels:

  • White wins: 47.7%
  • Black wins: 47.9%
  • Draws: 4.5%

The statistics show a roughly balanced opening where both sides have equal chances.

Practice on Chessiverse

The best way to learn the Battambang Opening is through practice. On Chessiverse, you can play chess against computer opponents that specialize in this opening. Our AI bots range from beginner to grandmaster level, each with unique playing styles — from aggressive attackers to solid defenders. Choose a bot that matches your rating and work your way up as you master the opening's key ideas.

Quick Facts

Main Line1.Nc3 e5 2.a3
DifficultyEasy
Parent OpeningDunst Opening: 1...e5
Style

Unorthodox openings deviate from classical principles to surprise opponents and lead the game into unfamiliar territory. They can be highly effective when the opponent is unprepared.

134,814games on Lichess
47.7%
4.5%
47.9%
White wins Draws Black wins

Data from Lichess opening explorer (blitz & rapid)

Most Popular At400
SharpnessVery Sharp

Popularity by Rating

Percentage of all games at each rating bracket that feature this opening.

Data from Lichess opening explorer (blitz & rapid games)

Theory Adherence by Rating

How often players choose the single most popular move at this position. Higher = more predictable play.

Black to move after the opening line

Popularity Over Time

Share of all Lichess blitz + rapid games featuring this opening, by year.

Top Moves by Rating

Black to move after the opening line

RatingMost Popular2nd3rd
400Nf623.1%Nc621.3%d518.3%
1000d526%Nf624.8%Nc619.7%
1200d529.3%Nf626.1%Nc617.7%
1400d533.2%Nf626%Nc614.9%
1600d536.7%Nf625.8%Nc612.2%
1800d542.9%Nf622.8%Nc610.5%
2000d555.3%Nf618.7%Nc69.4%
2200d555.6%Nf620.8%Nc611.4%
2500d562%Nf617.7%Nc613.7%

Popularity by Time Control

Bullet
<0.01%55K
Blitz
<0.01%87K
Rapid
<0.01%47K
2% more decisive in bullet

Frequently Asked Questions

What is the Battambang Opening?

The Battambang Opening begins with 1.Nc3 e5 2.a3 and is classified under ECO code A00.

Is the Battambang Opening good for beginners?

The Battambang Opening can be played at any level. Beginners should focus on understanding the key strategic ideas rather than memorizing long theoretical lines. Our AI bots at various rating levels provide a great way to practice the opening concepts.

What are the win rates for the Battambang Opening?

Across 134,814 Lichess games, White wins 47.7% of the time, Black wins 47.9%, and 4.5% are drawn.

How can I practice the Battambang Opening?

On Chessiverse, you can practice the Battambang Opening by playing against our 600+ AI bots. Each bot has a unique playing style and opening repertoire, so you can find the perfect sparring partner for any level.

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Written by

Chessiverse
Chessiverse TeamOpening Guides

Expert chess content backed by opening theory and our database of 600+ AI bots with unique playing styles and opening repertoires.

Practice This Opening on Chessiverse

Play against 600+ AI bots with unique personalities and opening repertoires. From beginner-friendly to grandmaster-level opponents, find the perfect sparring partner for any opening.

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