Chess Opening Theory/1. d4/1...d5/2. c4/2...c6/3. Nf3/3...Nf6/4. Nc3/4...dxc4/5. a4/5...Bf5/6. e3/6...e6/7. Bxc4/7...Bb4/8. O-O/8...O-O/9. Qe2/9...Nbd7/10. e4/10...Bg6/11. Bd3/11...Bh5/12. e5

Dutch variation D19 Dutch variation Euwe variation 12. e5 White finally takes over the centre, with tempo on Black's knight. Black's main response is 12...Nd5, trying to trade it off for White's c3 knight. Nearly all games continue 13. Nxd5 cxd5 14. Qe3. White unpins their knight and prepares Ng5 to start an attack on Black's king-side. Black has a few possible responses. 14...Be7 defends the g5-square immediately. White can however still go for 15. Ng5, initiating a trade of minor pieces and queens 15...Bxg5 16. Qxg5 Qxg5 17. Bxg5+, after which Black re-positions the knight to c6 through b8. White's advantage lies mostly in the bishop pair and the advanced pawns. Apart from 15. Ng5, White can keep the pieces on the board with 15. Bd2, after which Black usually executes the previously mentioned knight manoeuvre. There is many more ideas for both sides which I recommend exploring through the lichess openings database. 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bf5 6. e3 e6 7. Bxc4 Bb4 8. O-O O-O 9. Qe2 Nbd7 10. e4 Bg6 11. Bd3 Bh5 12. e5 Nd5 13. Nxd5 cxd5 14. Qe3 Be7 15. Ng5 Bxg5 16. Qxg5 Qxg5 17. Bxg5 White has the bishop pair and more advanced pawns. 14...Re8 is a more modest move, making place for the knight to defend h7. White can choose to tactically trade off pieces with 15. Ng5 Nf8 16. Nxh7!? Nxh7 18. Bxh7 Kxh7 19. Qh3 g6 20. g4 14...Bg6 15. Bxg6 fxg6!? trades off the light-squared bishops and opens up the f8 rook. However, after 16. Ng5 Black has to defend their pawn with 16...Re8 not only to defend the pawn, but also to free the f8 square for the knight for if White were to play 17. Qh3, threatening Qxh7 and attacking the e6 pawn. 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bf5 6. e3 e6 7. Bxc4 Bb4 8. O-O O-O 9. Qe2 Nbd7 10. e4 Bg6 11. Bd3 Bh5 12. e5 Nd5 13. Nxd5 cxd5 14. Qe3 Bg6 15. Bxg6 fxg6 16. Ng5 Black has to defend accurately. Theory table 0 12. ... Nd5 13. Nxd5 cxd5 14. Qe3 Be7 15. Ng5 Bxg5 16. Qxg5 Qxg5 17. Bxg5 + 12. ... ... 13. ... ... 14. ... ... 15. Bd2 Nb8 16. Ne1 Bg6 17. f4 unclear 12. ... ... 13. ... ... 14. ... Re8 15. Ng5 Nf8 16. Nxh7 Nxh7 17. Bxh7 Kxh7 18. Qh3 g6 12. ... ... 13. ... ... 14. ... Bg6 15. Bxg6 fxg6 16. Ng5 Re8 17. a5 Rc8 References See also