London System (D02): win rates at club level

1.d4 d5 2.Bf4, playing as white. Data from 4,003 Lichess blitz games at 1600-1800.

The position

Position after 1.d4 d5 2.Bf4. Open this line on Lichess → · London System on Lichess

The idea

White develops the same pieces to nearly the same squares in almost every game, whatever Black plays: bishop to f4 before the knight blocks it in, then e3, Bd3, and castling. That’s the appeal, not a weakness - it’s a low-theory, low-risk setup that avoids memorizing a different plan for each of Black’s replies, in exchange for less fighting chance at a real opening edge than a more theoretically demanding first move would give.

How it scores at your rating

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Win/draw/loss rate by rating band
Rating bandGamesWhite / draw / BlackScore for white
1400-1600 4,152 White/draw/black: 51.9% / 4.4% / 43.6% 51.9%Win rate: 95 percent confidence interval 50.4 to 53.4 percent, 4,152 games. / 4.4%Draw rate: 95 percent confidence interval 3.8 to 5.0 percent, 4,152 games. / 43.6%Loss rate: 95 percent confidence interval 42.1 to 45.1 percent, 4,152 games. 54.1%Score for white: 95 percent confidence interval 52.6 to 55.6 percent, 4,152 games.
1600-1800 4,003 White/draw/black: 50.1% / 4.2% / 45.6% 50.1%Win rate: 95 percent confidence interval 48.6 to 51.6 percent, 4,003 games. / 4.2%Draw rate: 95 percent confidence interval 3.6 to 4.8 percent, 4,003 games. / 45.6%Loss rate: 95 percent confidence interval 44.1 to 47.1 percent, 4,003 games. 52.3%Score for white: 95 percent confidence interval 50.8 to 53.8 percent, 4,003 games.
1800-2000 2,609 White/draw/black: 49.1% / 5.6% / 45.3% 49.1%Win rate: 95 percent confidence interval 47.2 to 51.0 percent, 2,609 games. / 5.6%Draw rate: 95 percent confidence interval 4.7 to 6.5 percent, 2,609 games. / 45.3%Loss rate: 95 percent confidence interval 43.4 to 47.2 percent, 2,609 games. 51.9%Score for white: 95 percent confidence interval 50.0 to 53.8 percent, 2,609 games.
2000+ 1,295 White/draw/black: 49.5% / 6.8% / 43.7% 49.5%Win rate: 95 percent confidence interval 46.8 to 52.2 percent, 1,295 games. / 6.8%Draw rate: 95 percent confidence interval 5.4 to 8.2 percent, 1,295 games. / 43.7%Loss rate: 95 percent confidence interval 41.0 to 46.4 percent, 1,295 games. 52.9%Score for white: 95 percent confidence interval 50.3 to 55.5 percent, 1,295 games.

What black actually plays next

Top replies at 1600-1800:

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Most common replies at 1600-1800
MoveGamesPlayedWin / draw / loss
Nf6 1,084 27.1% Nf6 win/draw/loss 43.8%Win rate: 95 percent confidence interval 40.9 to 46.8 percent, 1,084 games. / 5.4%Draw rate: 95 percent confidence interval 4.2 to 6.9 percent, 1,084 games. / 50.8%Loss rate: 95 percent confidence interval 47.9 to 53.8 percent, 1,084 games.Wide interval, small sample: treat this number cautiously.
e6 771 19.3% e6 win/draw/loss 48.2%Win rate: 95 percent confidence interval 44.7 to 51.8 percent, 771 games. / 3.5%Draw rate: 95 percent confidence interval 2.4 to 5.0 percent, 771 games. / 48.2%Loss rate: 95 percent confidence interval 44.7 to 51.8 percent, 771 games.Wide interval, small sample: treat this number cautiously.
Nc6 726 18.1% Nc6 win/draw/loss 42.0%Win rate: 95 percent confidence interval 38.5 to 45.6 percent, 726 games. / 3.3%Draw rate: 95 percent confidence interval 2.2 to 4.9 percent, 726 games. / 54.7%Loss rate: 95 percent confidence interval 51.0 to 58.3 percent, 726 games.Wide interval, small sample: treat this number cautiously.
Bf5 618 15.4% Bf5 win/draw/loss 48.5%Win rate: 95 percent confidence interval 44.6 to 52.5 percent, 618 games. / 4.5%Draw rate: 95 percent confidence interval 3.2 to 6.5 percent, 618 games. / 46.9%Loss rate: 95 percent confidence interval 43.0 to 50.9 percent, 618 games.Wide interval, small sample: treat this number cautiously.
c5 302 7.5% c5 win/draw/loss 49.3%Win rate: 95 percent confidence interval 43.7 to 54.9 percent, 302 games. / 4.0%Draw rate: 95 percent confidence interval 2.3 to 6.8 percent, 302 games. / 46.7%Loss rate: 95 percent confidence interval 41.1 to 52.3 percent, 302 games.Wide interval, small sample: treat this number cautiously.
c6 259 6.5% c6 win/draw/loss 41.3%Win rate: 95 percent confidence interval 35.5 to 47.4 percent, 259 games. / 3.9%Draw rate: 95 percent confidence interval 2.1 to 7.0 percent, 259 games. / 54.8%Loss rate: 95 percent confidence interval 48.7 to 60.8 percent, 259 games.Wide interval, small sample: treat this number cautiously.

Common mistakes at 1600-1800

No move at this band is both common and clearly low-scoring, controlling for rating gap. Players at this rating aren’t making an obvious mistake here.

Model games

Real games from the Lichess masters database.

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Master games in this line
WhiteBlackResultYearGame
Carlsen (2832) So (2812) 1-0 2017 View game
Carlsen (2855) Giri (2785) 1-0 2016 View game
Carlsen (2832) Caruana (2808) 1-0 2017 View game
So (2812) Kramnik (2808) ½-½ 2017 View game
So (2770) Caruana (2835) 1-0 2020 View game

Build a repertoire from here

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