Skip to main content

London System · As White · updated October 2026

Play the London System like Wesley So

A repertoire in the London System built from 40 of Wesley So's public Chess.com blitz games. At every position you play the move Wesley So chose most often. Where Wesley So has fewer than 3 games, the course takes the other top-50 players' most played move, then Stockfish's. Learn a line on the board, then each position comes back in a short daily review until it sticks.

Not affiliated with or endorsed by Wesley So or Chess.com.

  • Wesley So was #14 in Chess.com blitz in October 2026 (3,272) and scored 69% against opponents averaging 3,002 in these games.
  • You play Wesley So's own move in 10 of 40 positions.
  • The whole course is free, and it is updated monthly.

Train lines

Learn a new line move by move. Lines due for review go to your daily review first.

Next: line 1

Free · first 5 lines need no account

Blitz rank

#14

Chess.com

Rating

3,272

Games

40

in this opening

Score

69%

in these games

Opponents

3,002

average rating

More about Wesley So

Use arrow keys to navigate the board. Press Enter to select a piece, then use arrow keys and Enter to move. Press Escape to cancel a move.
Line 1 after 10 moves

Lines to learn

  1. Line 1 · 10% at top level

    1…Nf6 2.Nc3 d5 3.Bf4 a6 4.e3 h6 5.a3 Bf5 6.Bd3

    Next

  2. Line 2 · 8% at top level

    1…d5 2.Nf3 Nf6 3.Bf4 c5 4.e3 Nc6 5.Nbd2

    New

  3. Line 3 · 6% at top level

    1…d5 2.Nf3 c6 3.Bf4

    New

  4. Line 4 · 5% at top level

    1…Nf6 2.Nc3 d5 3.Bf4 c5 4.e3 cxd4 5.exd4 a6 6.Nf3 Nc6 7.Ne5 Bd7 8.Ne2 e6 9.c3

    New

  5. Line 5 · 5% at top level

    1…Nf6 2.Nc3 d5 3.Bf4 a6 4.e3 h6 5.a3 Bg4 6.f3

    New

  6. Line 6 · 5% at top level

    1…Nf6 2.Nc3 d5 3.Bf4 c6 4.e3 Bf5 5.Bd3

    New

  7. Line 7 · 5% at top level

    1…Nf6 2.Nc3 d5 3.Bf4 c5 4.e3 cxd4 5.exd4 Bg4 6.Be2 Bxe2 7.Qxe2

    New

  8. Line 8 · 5% at top level

    1…Nf6 2.Nc3 d5 3.Bf4 c5 4.e3 cxd4 5.exd4 a6 6.Nf3 Bg4 7.h3

    New

  9. Line 9 · 4% at top level

    1…Nf6 2.Nc3 d5 3.Bf4 e6 4.Nb5 Bb4+ 5.c3 Ba5 6.a4 a6 7.b4 Bxb4 8.cxb4 axb5 9.axb5 Rxa1 10.Qxa1

    New

  10. Line 10 · 4% at top level

    1…Nf6 2.Nc3 d5 3.Bf4 e6 4.Nb5 Na6 5.e3 c6 6.Nc3

    New

  11. Line 11 · 4% at top level

    1…d5 2.Nf3 Nf6 3.Bf4 Bf5 4.c4 e6 5.Qb3

    New

  12. Line 12 · 4% at top level

    1…d5 2.Nf3 Nf6 3.Bf4 e6 4.e3 Bd6 5.Nbd2

    New

  13. Line 13 · 4% at top level

    1…Nf6 2.Nc3 d5 3.Bf4 Bf5 4.e3

    New

  14. Line 14 · 4% at top level

    1…Nf6 2.Nc3 d5 3.Bf4 a6 4.e3 b5 5.h4

    New

  15. Line 15 · 4% at top level

    1…Nf6 2.Nc3 d5 3.Bf4 a6 4.e3 e6 5.g4

    New

  16. Line 16 · 4% at top level

    1…Nf6 2.Nc3 d5 3.Bf4 g6 4.e3 Bg7 5.h4

    New

Ordered by how often they come up in top-level games. Learned lines join your daily review.

Wesley So's main line in the London System, move by move

The most common line at top level: 1…Nf6 2.Nc3 d5 3.Bf4 a6 4.e3 h6 5.a3 Bf5 6.Bd3.

  1. 1…Nf6 Reply · Wesley So's games A common reply here is 1…Nf6. At top level, this comes up about 73% of the time.
  2. 2.Nc3 Your move · Wesley So's games Wesley So played 2.Nc3 in 19 games, scoring 63%.
  3. 2…d5 Reply · Wesley So's games A common reply here is 2…d5.
  4. 3.Bf4 Your move · Wesley So's games Wesley So played 3.Bf4 in 19 games, scoring 63%.
  5. 3…a6 Reply · Wesley So's games A common reply here is 3…a6. At top level, this comes up about 23% of the time.
  6. 4.e3 Your move · Wesley So's games Wesley So played 4.e3 in 6 games, scoring 50%.
  7. 4…h6 Reply · Wesley So's games A common reply here is 4…h6. At top level, this comes up about 15% of the time.
  8. 5.a3 Your move · Wesley So's games Wesley So played 5.a3 in 3 games, scoring 67%.
  9. 5…Bf5 Reply · Wesley So's games A common reply here is 5…Bf5. At top level, this comes up about 10% of the time.
  10. 6.Bd3 Your move · Stockfish The games give no move to follow here, so this is Stockfish's choice.

Questions about this course

How does Wesley So play the London System?
After 1.d4, Wesley So's most common line is 1…Nf6 2.Nc3 d5 3.Bf4 a6 4.e3 h6 5.a3 Bf5 6.Bd3. At top level it comes up about 10% of the time.
Is this Wesley So's course?
No. ChessDrills builds it automatically from Wesley So's public Chess.com blitz games.
What is this London System course based on?
40 of Wesley So's Chess.com blitz games in the London System as White, against opponents with an average rating of 3,002. Wesley So scored 69% in them.
How many lines does the course have?
16 lines covering 40 positions, ordered by how often they come up in top-level games. The first 5 lines need no account; saving your progress with an email unlocks the rest, free.
Who is Wesley So?
GM Wesley So was ranked number 14 on the Chess.com blitz leaderboard with a rating of 3,272 when this course was built.

More openings to play like Wesley So

Play the London System like other top players