I play the KID, you fight for center control and its pretty solid.
solid defence against d4 ?

I totally agree with Roy Orbison - he said exactly what I was going to say. Whoever told you that the Dutch was not solid didn't have their head screwed on straight.
Play the Stonewall, if you don't like tactical melees. After many tries at various Dutch systems, I have used the Stonewall as my main weapon. And if you want even more equality, play the ...Bb4 pin lines, take the knight, and you take some of the pressure off of Black's position. Trade the e-pawn if possible, or push to e5 when possible. If not possible, then opt for ...c5 lines later. But for real, do the Stonewall.

Thank you very much everyone, really helpful.
First of all, in #1, I wrote the thing like "Dutch is not solid" and some of you denied it.
You're definitely correct.
But I often feel a little uneasy with the hole on e5 in Stonewall,
and sometimes the opponent plays g4 and ...fxg4 Qxg4(it occured yesterday lol) and
somehow I get myself into an awkward situation. So I needed more safe defence...
Also I have to admit the purpose of opening is just to reach a playable middlegame,
and from there the pure strength of each player is important.
Often I think what is missing most in myself, and the answer would be, simiply, tactics.
I'm trying to improve it but it cannot be realized in a day so
I thought I needed a system which suits my current strength.
Well, many people recommended Queen's Gambit Declined, and
I was unconcious that French and QGD have the similar pawn structure.
I took a look at Tartakover Variation, then it looks fine so I'm inclined toward it...
and,,,for that matter, I have never thought that London System is boring,
instead I like it because it gives me a decent position everytime (even though it's not the best position) .
I'm more familiar with a position which frequently occurs in London lines than a opponent, then I feel I can play with confidence.
Am I too passive and conservative ???
Anyway, I'm thinking that QGD is worth a try.
Thank you very much with your helps!

Hi Shinji,
I recommend the leningrad dutch played like polarbear system ( GM Henrik Danielsen f4-system is leningrad dutch with white - 200 free Videos ).
I had sent you an email about it.
Take this universal system for white and black.
We may play it together - soon.
Best regards Volker

Obviously the Albin-Countergambit is the best :)
But if you like the London, Slav would be good because the London is basically a Slav System for White...
Or maybe the Winawer Countergambit (a sideline in the Slav)

>>Estragon
Yeah I'm thinking studying QGD is valuable even if I don't use it as a main weapon. e6-d5 pawn structure looks very important among d pawn games.
Thanks for advice :)
>>Volker
Hi, long time(?) no see :)
I didn't know the 1.f4 system, yeah you and I like universal systems so
I'll take a look at it ;D
Yeah let's play and I've already sent you a challenge lol
>>NM Ozzie
Aha, don't worry, Volker often gives me advice with message or e-mail:)
Sorry to have made you confused.. X)
>>The future grandmaster
I didn't know this opening.
Um, yeah, as you say, slav or semi-slav pawn structure is similar to London.
Once when I studied slav, I gave up immidiately because the book was not easy to understand for me,
but when I regard slav as london as Black, it looks rather comprehensive for me.
Thanks :)

For me, I've recently been playing the Englund Gambit - I respond to 1. e4 and 1. d4 with 1...e5. If you know what you're doing, you'll pull ahead.
Pretty sure Black still has a playable game in the QGD Exchange variation, but a 1...e6 2...Nf6 3...d5 (or 3.Nc3 Bb4) move-order will avoid the more dangerous lines (involving Nge2) and can be highly recommended, especially as you can then go into a good opening (the Semi-Slav) which is very solid
I am amused by the person who posted the horrible Nimzoindian line a couple above here with the diagram. White's 4.Bd2 shows a lack of understanding and would not be played by anyone who actually knows what they are doing. And saying this is supposed to be drawish about an equal position doesn't show any understanding either.

No way the Albin or Englund Gambits are solid-they are simply just bad compared to all the other options Black has vs. 1.d4. As Cox quotes Tiviakov in Starting Out: 1.d4 vs. the Albin, "Black sacs a pawn (almost for nothing) and tries to create counterplay. Mostly it doesn't work and White gets a winning position almost from the opening."
White should retain at least a high +/=, against both of them with reasonable play...
Why give white an advantage for nothing when you can play something sounder and get a chance for equality instead of just throwing away a pawn. You might say, "Imma take up these gambits to surprise my opponent and take him out ofhis preparation." But the thing is, any GOOD 1.d4 player should know some basic lines against these and obtain an advantage most of the time.
The only gambit that is respectable against 1.d4 is the Benko while the Budapest is also somewhat respectable.

The only gambit that is respectable against 1.d4 is the Benko while the Budapest is also somewhat respectable.
Don't forget about the Blumenfeld gambit! I think that is still considered sound, and it gives black lovely compensation if white accepts the pawn straight away.

I don't think tactics need to be practised with a tactical opening you play in a game. For one thing, tactics will basically always happen, just some games more than others and when they will happen is not clear but there should be a decent amount of tactics at least at some point in your average game. For example, it's possible you have built up a crushing strategic advantage but once you try to cash it in things should get a little tactical anyway.
You can do just fine by doing puzzles, looking at your own games, and looking at tactical master games and trying to figure them out.
I also disagree about the tartakower being easy to understand. First of all the hanging pawns you can get with them is not necessarily easy to handle, as you need to time your pawn breaks and dynamic action well and be flexible about when and how to do it. Also when white plays Bxf6 and cxd5 (when ...exd5 is the only good move) in this opening strategically it's rather complex I think. Black has to decide where he wants to put his pieces; he can try to aim at the kingside but then this makes his queenside pawns weak. He often wants to play ...c5 but because it exposes his pawns it has to be timed very well. In the meantime white has possible ideas of e4, maybe maneouvering his knight around (Ne1-d3 can be good, but ...c5 is often a good counter to Ne1), or pressuring the queenside, but how and when to do these things is very subtle stuff when I was analyzing it. Sorry for not posting the board.
So to me the QGD is not such a simple opening. It's solid, but not easy. There's a lot of closed maneouvering and every decision black makes in the center must be timed well. It is good however if you like closed positional games, except that the one black gets is a rather passive one.
The nimzo/queen's indian is pretty nice because black's pieces are actually decently active and he doesn't commit the central pawns. It's a bit looser than the QGD but still not too bad.

Queen's Gambit Declined.
Just be wary of the exchange variation, as White can develop quite a positional crush in it if Black doesn't understand White's strategies.
Tartakower and Lasker are good solid variations of the QGD to learn.
According to the Game Explorer the exchange variation accounts for roughly 10 % of QGD games after 1d4 d5 2c4 e6 3Nc3 Nf6....I find this strange to be honest. Most repertoire books and videos for White, that recommend the Queens Gambit, recommend the exchange variation -and this is difficult for Black to cope with...If I thought the exchange was only being played 10% of the time I think I would study the Tartakower...
The exchange is merely another reasonable white try for the advantage. At the cost of giving up the tension he creates a structure that will hopefully be favorable to him. I don't think it by any means must be better than 4 Bg5 or even 4 Bf4 though.

Thank you very much,,,
"Don't try to find something that will give you easy wins" striked my consience.
Yeah, I'm only 23(of course not so young as a chess player but young as a man),
It looks the best to go to the classical road ahead even if it takes me a decent time.
Fortunately I got Sadler's book and it seems to be very instructive.
So my (ideal) repertoire will become like below,
As White: Queen's Gambit
As Black: against e4: French, against d4: QGD
Thanks for your time, everyone.
You can make the dutch defense solid
especially the stonewall variation.King's Indian defence might be tough too, you can try that out