Owen's Defense

Popularity decreased 14% since 2013

B001.e4 b6

Updated Sep 6, 20263 min read

TL;DR Owen's Defense answers 1.e4 with 1...b6, planning Bb7 to pressure e4 along the long diagonal. Black accepts that White gets a free hand in the centre, betting on counterplay with c5 or d5. Rarely played at top level but a practical surprise weapon.

Owen's Defense: A Complete Guide
Owen's Defense - Opening Moves

Summary

The Owen’s Defense arises after 1.e4 b6 and falls under ECO code B00. Named after the 19th-century English player John Owen, this uncommon reply to 1.e4 allows White to seize the center effortlessly with 2. d4, which is the standard and most natural response. Black’s plan is typically to fianchetto the dark-squared bishop to b7, aiming for long-diagonal pressure. Despite being rare at the top level, the Owen’s Defense retains a following among club players and offers transpositional possibilities into English Opening structures or other systems. With 50.8 million Lichess games across all rating levels, it is one of the most popular openings.

  • Black fianchettoes the queen's bishop to b7 early, aiming it at White's center from a distance instead of occupying the center with pawns.
  • In exchange, White gets to take over the center with pawns and enjoy a spatial advantage, which is why the line has a dubious reputation.
  • Theory on it is thin, so many players use it as a surprise weapon that drags opponents into unfamiliar territory from move one.

History and Notable Players

Among the most prolific practitioners on the White side are Viswanathan Anand (1534 games), Vlastimil Jansa (1449 games), Heikki MJ Westerinen (1409 games). On the Black side, notable exponents include Viktor Korchnoi (999 games), Loek Van Wely (853 games), Vassily Ivanchuk (835 games).

Games with 1.e4 b6 appear as far back as Gioachino Greco's 17th-century writings. John Owen was the first master-strength player to use it regularly, and faced Paul Morphy with it twice in 1858. It stayed a rarity in master chess until the 1970s, when Bent Larsen and Michael Basman picked it up again.

Named after: Rev. John Owen, a 19th-century vicar and strong amateur who relied on 1.e4 b6 as his regular defense through most of his career.

Notable players: John Owen, Bent Larsen, Michael Basman, Tony Miles

Statistics

Based on 50.8 million Lichess games across all rating levels:

  • White wins: 50.2%
  • Black wins: 45.9%
  • Draws: 3.9%

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

Practice on Chessiverse

The best way to learn the Owen's Defense 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.

Play Owen's Defense

Play As
Start From

After 1.e4 b6 Pick the position up and play on from there.

Opponent

No account needed — your game saves if you sign up after.

Want the full game experience — enter the game arena!

Quick Facts

Games on Lichess
50,760,133
Most Popular At
1600
Sharpness
Balanced
Scored as part of the Owen's Defense family
Main Line
1.e4 b6
FEN
rnbqkbnr/p1pppppp/1p6/8/4P3/8/PPPP1PPP/RNBQKBNR w KQkq - 0 2
Parent Opening
King's Pawn Game
Style
Unorthodox

White wins 50.2%, draws 3.9%, Black wins 45.9%.

Top Players

As White

  1. Viswanathan Anand1,534 games
  2. Vlastimil Jansa1,449 games
  3. Heikki MJ Westerinen1,409 games

As Black

  1. Viktor Korchnoi999 games
  2. Loek Van Wely853 games
  3. Vassily Ivanchuk835 games

Data from Lichess opening explorer (blitz & rapid)

Unorthodox
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.

Popularity by Rating

Popularity view

It's played most at 1600: about 1 in 74 games there, against 1 in 430 games at 2500. At 1200, White wins 50% and Black 47%; at 2500 it's 48% to 44%, with more draws (9%).

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

Data from Lichess opening explorer (blitz & rapid games)

Theory Adherence by Rating

Theory adherence view

At 1200, White's most common reply is 2.d4 (33% of games), with three other moves each played in at least 1 in 20 games. By 2500 it comes down to three: 2.d4 (80%), 2.Nc3 (8%) and 2.Nf3 (6%).

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

White to move after the opening line

Popularity Over Time

It's less popular than it used to be: about 1 in 90 games in 2025, down from 1 in 77 games in 2013. It peaked in 2014, at 1 in 74 games.

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

Top Moves by Rating

White to move after the opening line

Top moves by rating
RatingMost Popular2nd3rd
4002.Nf327.6%2.d426.3%2.Bc413%
10002.Nf331.5%2.d431.1%2.Bc411.7%
12002.d433.4%2.Nf333.3%2.Bc412.1%
14002.d436.2%2.Nf332.5%2.Bc411.8%
16002.d441.4%2.Nf329.6%2.Bc410%
18002.d450.2%2.Nf324.9%2.Bc47.1%
20002.d461.3%2.Nf318.6%2.Nc37.5%
22002.d472%2.Nf310.9%2.Nc38.6%
25002.d480.3%2.Nc38.1%2.Nf35.8%

Popularity by Time Control

The faster the game, the more it's played: about 1 in 69 bullet games, against 1 in 110 rapid games.

  • Bullet1.4%38.5M
  • Blitz1.1%40.8M
  • Rapid0.90%9.9M

2% more decisive in bullet

Raw Data Tables (Lichess Blitz + Rapid)
Owen's Defense: popularity and win rates by player rating
Rating (Elo)Share %GamesWhite win %Black win %Draw %Sharpness
4000.701,623,33250.245.54.30.957
10000.893,722,83949.946.33.80.962
12001.077,220,04649.646.83.60.964
14001.3011,804,32449.646.73.70.963
16001.3613,449,13950.345.83.90.961
18001.109,206,31150.844.94.20.958
20000.693,115,81551.543.84.70.953
22000.35586,48950.943.55.60.944
25000.2331,83847.743.68.70.913
Owen's Defense: move-choice theory adherence by rating
Rating (Elo)Top moveTop move %Viable movesTheory %Entropy
4002.Nf327.6566.82.857
10002.Nf331.5474.32.639
12002.d433.4478.92.482
14002.d436.2480.62.396
16002.d441.4581.02.318
18002.d450.2582.22.145
20002.d461.3387.41.871
22002.d472.0391.61.528
25002.d480.3394.21.180
Owen's Defense: popularity over time
YearShare %GamesWhite win %Black win %Draw %
20131.3037,45853.243.63.2
20141.35122,00252.743.83.6
20151.18262,50451.644.83.6
20161.12687,87751.644.63.7
20171.171,334,56251.045.23.8
20181.152,156,11850.645.53.9
20191.123,224,65150.445.73.8
20200.965,525,84150.445.64.1
20210.997,574,37650.245.84.0
20221.098,032,16050.146.03.9
20231.118,772,39150.046.04.0
20241.138,403,34949.946.14.0
20251.128,286,05349.946.13.9
Owen's Defense: popularity by time control
FormatShare %GamesWhite win %Black win %Draw %Sharpness
bullet1.4538,493,47549.747.62.70.973
blitz1.1440,825,28250.146.03.90.961
rapid0.909,934,85150.445.44.20.958
Owen's Defense: top candidate moves by rating bracket
Rating (Elo)1st move1st %2nd move2nd %3rd move3rd %
4002.Nf327.62.d426.32.Bc413.0
10002.Nf331.52.d431.12.Bc411.7
12002.d433.42.Nf333.32.Bc412.1
14002.d436.22.Nf332.52.Bc411.8
16002.d441.42.Nf329.62.Bc410.0
18002.d450.22.Nf324.92.Bc47.1
20002.d461.32.Nf318.62.Nc37.5
22002.d472.02.Nf310.92.Nc38.6
25002.d480.32.Nc38.12.Nf35.8
Owen's Defense: top practitioners by side
SidePlayerGames
WhiteViswanathan Anand1,534
WhiteVlastimil Jansa1,449
WhiteHeikki MJ Westerinen1,409
BlackViktor Korchnoi999
BlackLoek Van Wely853
BlackVassily Ivanchuk835

Training Recommendations

Targeted drills using our bots' unique playstyles to sharpen your skills in this opening.

  • Developing Strategy in the Owen's Defense

    Intermediate · Tactical

    Chad Sterling is an aggressive Hunter who likes to cut play toward simpler positions, while Cliff Roads is an all-round Mediator comfortable across position types. A solid step up when the textbook lines stop being enough.

  • Proving Your Preparation in the Owen's Defense

    Skilled · Tactical

    Cliff Roads and Eirik Ruy are all-round Mediators who adapt to whatever the position becomes. Use this matchup to stress-test the lines you have actually studied.

  • Master-Level Challenge in the Owen's Defense

    Advanced · Positional

    Indira Cosmos is an aggressive Savage who thrives in tactical chaos, while King Beeshop, an attacking Hunter, applies pressure then trades into clean endings. Drill here when you want responses that punish small inaccuracies.

Frequently Asked Questions

Owen's Defense

What is this opening?

This opening begins with 1.e4 b6 and is classified under ECO code B00. This opening, named after John Owen, is a very rare and uncommon response to the King’s pawn game as white can easily control the center with 2. d4 and usually black fianchettos the dark-squared bishop, the Owen’s defence is still popular among club players and this opening can be transposed to an English opening or other lines.

Is this opening good for beginners?

This 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 this opening?

Across 50.8 million Lichess games, White wins 50.2% of the time, Black wins 45.9%, and 3.9% are drawn. Notable master practitioners on the White side include Viswanathan Anand and Vlastimil Jansa. On the Black side, Viktor Korchnoi and Loek Van Wely are among the most frequent practitioners.

How can I practice this opening?

On Chessiverse, you can practice this opening against AI bots specifically designed to play this opening. Our bots range from intermediate (around 1990 rating) to advanced (2768+ rating), so you can find the right challenge for your level.

Sources

Brought to you by

IM John BartholomewCo-Founder & Chess Educator

International Master and chess educator. Co-founded Chessable and joined Chessiverse as co-founder. Best known for his "Climbing the Rating Ladder" YouTube series and structured opening courses.

Practice This Opening on Chessiverse

Play against 1000+ AI bots with unique personalities and opening repertoires. From beginner-friendly to grandmaster-level opponents, find the perfect sparring partner for any opening.

Not sure which opening fits you? Take the free chess personality test — your style determines which openings will work with you.

Back to Articles