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Normal Topic Pirc: 4.h3 in combination with g4 and Bg2 (Read 3300 times)
Ludde
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Re: Pirc: 4.h3 in combination with g4 and Bg2
Reply #5 - 11/10/09 at 19:49:59
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Ludde wrote on 11/10/09 at 14:36:37:
I think this line is what Vigus calls "The Arch-bishops attack" in his book. He claims it is a very dangerous line and also quite unexplored so far. There is a fairly substantial section on it in his "The Pirc in black & White". Personally I have no clear opinion on this at all since I only play the modern move order. (And I don't play that much these days anyway)

After a check in the book I was trying to quote I have to admit I was mistaken. The arch-bishop line appears after 1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.Be3 c6 5.h3 with the idea of 6.g4 or 6.a4 followed by g2-g4. One of the main differences compared to what was discussed here is that black after 4.h3 and 5.g4 could go for c7-c5 in one move without losing a tempo by stopping on c6.
  
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Ludde
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Re: Pirc: 4.h3 in combination with g4 and Bg2
Reply #4 - 11/10/09 at 14:36:37
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I think this line is what Vigus calls "The Arch-bishops attack" in his book. He claims it is a very dangerous line and also quite unexplored so far. There is a fairly substantial section on it in his "The Pirc in black & White". Personally I have no clear opinion on this at all since I only play the modern move order. (And I don't play that much these days anyway)
  
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Stigma
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Re: Pirc: 4.h3 in combination with g4 and Bg2
Reply #3 - 10/21/09 at 13:54:25
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Hickl didn't get much counterplay there. Maybe 12...Bxd5 is the wrong plan, since after that White's space advantage always looked like the most important factor. My Rybka wants to just leave the knight on d5 for a while and play moves like ...Rab8 and ...Rfc8, preparing ...b5. Alternatively 11...Re8 is a useful prophylactic move, to ensure the c6-knight is free to move: 12.Nd5 Bd7 (12...h5!?) 13.c3 Rac8 etc.

But if White combines 4.h3 Bg7 5.Be3 with 4.h3 c6 5.g4 this could be a very tricky move order for fans of an early ...c6 (4.Be3 c6 5.h3 Nbd7 or 4.Be3 c6 5.h3 Qb6!?).
  

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ShikamaruNL
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Re: Pirc: 4.h3 in combination with g4 and Bg2
Reply #2 - 10/21/09 at 13:42:26
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I think you're right: 4.h3 Bg7 5.g4 c5 6.dxc5 Qa5 seems like the most principled reply. But I don't know if g4 is a weakness in this position. I found a couple of games, here is one of them (blitz):

[Date "2004.02.08"]
[White "Nakamura, Hikaru"]
[Black "Hickl, Joerg"]
[Result "1-0"]
[WhiteElo "2571"]
[BlackElo "2554"]
[EventType "k.o. (blitz)"]

1. d4 d6 2. e4 g6 3. Nc3 Bg7 4. h3 Nf6 5. g4 c5 6. dxc5 Qa5 7. Bg2 Qxc5 8. Nge2
O-O 9. O-O Nc6 10. Be3 Qa5 11. f4 Be6 12. Nd5 Bxd5 13. exd5 Nb4 14. c4 Nd7 15.
a3 Na6 16. Nd4 Qc7 17. Rc1 Rfe8 18. b4 Qd8 19. Kh1 Nc7 20. Re1 Nb6 21. Bg1 Rb8
22. Qd3 Qd7 23. Re2 Bh6 24. Rf1 Rbc8 25. g5 Bg7 26. h4 Qa4 27. Bh3 Rcd8 28.
Rfe1 a5 29. Nb5 Nxb5 30. cxb5 Nd7 31. Rxe7 Rxe7 32. Rxe7 axb4 33. axb4 Nf8 34.
f5 Be5 35. fxg6 Nxg6 36. Rxb7 Qxb4 37. Qf3 Rf8 38. h5 Nh4 39. Qg4 Qe1 40. Rc7
Bg3 41. Rc2 Be5 42. b6 Qb1 43. Rc8 Rxc8 44. Qxc8+ Kg7 45. Qg4 1-0

  
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Stigma
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Re: Pirc: 4.h3 in combination with g4 and Bg2
Reply #1 - 10/21/09 at 13:28:30
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My first thought is, can you treat it the same way as the 4.Be2/5.h4 system? 4.h3 Bg7 5.g4 c5 and now 6.dxc5 Qa5, or 6.g5 Nfd7. White's g4-g5 can become a weakness in a Benoni or Dragon structure.

Of course White can switch plans and play 4.h3 Bg7 5.Be3, so Black must decide if that's in his repertoire or if he would rather have ...c6 in.
  

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ShikamaruNL
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Pirc: 4.h3 in combination with g4 and Bg2
10/21/09 at 11:06:15
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Hello pirc players,

Does anyone have a recommendation what to play against the move 4.h3 in combination with g4 and Bg2? I can't find this moves in any of my books and the results in my database are excellent, for white that is.

It has the same ideas as the spike, but I think the Bishop is better placed at g2 then at e2. It's also resembles Vigus' archbishop attack without Be3 and c6.

Thanks,
The Dutch pircer
  
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