411 REFERENCE · Wikibooks
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
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Dutch variation D19 Dutch variation Euwe variation
10...Bg6
Black retreats the bishop, keeping an eye on e4. White must either protect or push the pawn.
/11. Bd3/ defends the pawn and threatens to trade off the light-squared bishops after 12. e5.
11. e5 immediately chases away the knight, but is likely to transpose to the lines with 11. Bd3.
Theory table
11. Bd3 Bh5 12. e5 Nd5 13. Nxd5 cxd5 + 11. e5 Nd5 12. Nxd5 cxd5 +
References
See also