Originally posted by chesskid001
At a recent tournament, a frequent opponent of mine played (as black) 1.d4 d5 2.c4 c6 3.Nf3 e6 4.Nc3 f5
[pgn] 1.d4 d5 2.c4 c6 3.Nf3 e6 4.Nc3 f5 [/pgn]
This early f5 seems a bit dubious to me, but it does have some merits--clamping down on e4, preparing an eventual f5-f4xe3 if appropriate, allowing a possible rook lift. The disadvantages I can see are ...[text shortened]... d it is pretty annoying. Does anyone have any experience/games with this or a similar opening?
This is a Dutch Defense, Stonewall variation via a Slav move order. This particular position after four moves is more often encountered in the "Anglo-Dutch" with the 1. c4 f5 move order.
I'm thinking that the Slav move order doesn't make any difference unless
1) You play a different system against the Dutch, such as 1. d4 and 2. Bg5, or anything where you would not normally play Nc3; or
2) There is some trick embedded in the move order here-but I don't see one.
I have played the Classical Dutch and the Leningrad Dutch but not the Stonewall, and have only rarely played d4 and c4 together, but I have some small tidbits that may help.
1) From the position after 4 moves, white has not committed either bishop or played e3, so he still has a lot of flexibility. I think Bf4 and Bg5 can be very effective systems in non-Leningrad forms of the Dutch, and I suspect they will be very good here.
2) The Stonewall Dutch is often played because Black dreams of a kingside attack, so systems with g3 and a fianchettoed bishop often work well, both as a defensive fortress and as a deployment of the light squared bishop on the exposed long diagonal; and
3) Look beyond the Slav books and see what the Stonewall Dutch books and Anti-Dutch books have to offer.
I don't think I gave enough here to call it advice, but I hope it's at least a little food for thought or a different perspective. Good luck!