I asked myself the same question some time ago. I came up with 3 ideas to reach the ...c5+...g6+...Bg7 setup against 1.c4 without allowing a Maroczy Bind: 1. Play 1...g6. After 2.g3 or 2.Nc3 you can play 2...c5 and White does't get a Maroczy setup (for instance 2.Nc3 c5 3.Nf3 Bg7 4.d4 cxd4 5.Nxd4 Nc6 6.Nc2 Bxc3 is considered to be fine for Black). 2.d4 is not a problem for a Grünfeld player, as you have 2...Nf6. 2.Nf3 can be answered by 2...Bg7, and again 3.d4 allows 3...Nf6 while 3.Nc3 and 3.g3 allow ...c5. There remains White's most ambitious move (imo), 2.e4. To avoid transpositions to the Maroczy, KID or modern, you should play 2...e5. You should be prepared for the critical 3.d4 Nf6, which is not too bad for Black to my knowledge. White can avoid this by playing a Botvinnik setup (Nc3, g3, Bg2, Nge2 etc) or the rather tame 3.Nf3 (there you have an improved KID, as ...c6 and ...d5 should give Black good play - basically winning a tempo over the exd4-line in the classical variation). 2. Play 1...c5 and be ready for a quick ...d5. Against 2.Nc3 and 2.g3 you can play 2...g6 (see above). Against 2.Nf3 play 2...Nf6, and answer 3.g3 or 3.Nc3 by 3...d5. This can transpose back to the Grünfeld, or to pure English lines which are probably OK for Black. There remains 3.d4 cxd4 4.Nxd4 - here you have another choice: Either you use the fact that ...g6 has not been played yet, and play a setup involving ...e6 (these are considered to be fine for Black afaik), or you play the Grünfeld-like 4...g6 5.Nc3/g3 d5 - I'm not sure how sound that is. 3. Play 1...c5 and answer 2.Nf3 by 2...Nc6. 3.g3 allows 3...g6, 3.d4 can again be answered by taking on d4 and playing an ...e6-setup. Imo critical is 3.Nc3, where 3...g6 is interesting. Critical is 4.e3 Nf6 5.d4 cxd4 6.exd4 d5 7.cxd5 Nxd5 8.Qb3 - here the old theory goes 8...Nxc3 9.Bc4 Nd5 10.Bxd5 e6 11.Bxc6 bxc6 12.0-0, but rather recently 8...e6 has been played more, I think. The second approach also works against 1.Nf3 (just play 1...Nf6 2.c4 c5). Using the third one against 1.Nf3 requires you to be ready for a sicilian main line (1... c5 2.e4), as the knight needs to remain on g8 for a while. An additional option against 1.Nf3 is the Anti-Grünfeld 1.Nf3 Nf6 2.c4 g6 3.Nc3 d5 - to my knowledge there are some problems for Black at the moment, but that could certainly be a wrong impression. It is worth pointing out that 1...g6 doesn't seem to work against 1.Nf3 because 2.e4 more or less forces a KID or a Maroczy Bind. Also, in the position after 1.c4 c5 2.Nf3 (which Black can also reach after 1.Nf3), 2...g6 is not an option unfortunately. After 3.d4 cxd4 4.Nxd4 Nf6 Black transposes to the risky-looking line from approach 2 above, but 3.e4 kills all the fun as 4.d4 can't be stopped conveniently. If you know of a tricky move-order for White to challenge one of the approaches above, please let me know. I would also be very interested in different ideas for Black.
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