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Hot Topic (More than 10 Replies) 4.d3 h6!? (Read 5397 times)
trw
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Re: 4.d3 h6!?
Reply #15 - 09/25/23 at 01:47:51
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6... g6 and 6... g5 have appeared with some frequency in correspondence.

6... g6 is all draws following a line given above 7. d4 Qe7

6... g5 has some losses:


[Event "CL/2021/B2"]
[Site "ICCF"]
[Date "2021.11.01"]
[Round "?.1"]
[White "Hesse, Olaf"]
[Black "Popov, Evgeny Vladimirovic"]
[Result "1-0"]
[ECO "C55"]
[WhiteElo "2456"]
[BlackElo "2354"]
[PlyCount "101"]
[EventDate "2021.??.??"]
[SourceVersionDate "2020.01.22"]
[WhiteTeam "The Underdogs II"]
[BlackTeam "International Chess Fighters"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 h6 5. c3 d6 6. O-O g5 7. a4 Bg7 8. a5 a6
9. Nbd2 O-O 10. h3 d5 11. exd5 Nxd5 12. Ne4 b6 13. h4 b5 14. Ba2 g4 15. Bxh6
gxf3 16. Qxf3 Nf4 17. Bxf4 exf4 18. Ng5 Qf6 19. Rae1 Bd7 20. d4 Bh6 21. Ne4 Qg6
22. h5 Qf5 23. Bb1 Rad8 24. g4 Qxg4+ 25. Qxg4+ Bxg4 26. Nf6+ Kg7 27. Nxg4 f3
28. Nxh6 Kxh6 29. Kh2 Rd5 30. Kg3 Nxa5 31. Bd3 Rd6 32. Re5 Rf6 33. Rf5 Rxf5 34.
Bxf5 Nc4 35. Ra1 a5 36. Bd3 Nxb2 37. Bxb5 a4 38. Ra2 Nd1 39. Ra3 Nb2 40. Kxf3
Kxh5 41. Be2 Ra8 42. Ke3+ Kg5 43. Kd2 Kf4 44. Kc2 Re8 45. Ba6 Rb8 46. Be2 Re8
47. Ba6 Rb8 48. Ra2 a3 49. Rxa3 Kf3 50. Bb5 Kxf2 51. Rb3 1-0

[Event "ST-00136"]
[Site "LSS"]
[Date "2020.01.29"]
[Round "?"]
[White "Wosch, Arkadiusz"]
[Black "Podvoysky, Evgeny"]
[Result "1-0"]
[ECO "C55"]
[WhiteElo "2438"]
[BlackElo "2394"]
[PlyCount "97"]
[EventDate "2020.01.20"]
[SourceVersionDate "2020.01.22"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 h6 5. O-O d6 6. c3 g5 7. Re1 g4 8. Nfd2 h5
9. Na3 Bh6 10. Nc2 h4 11. d4 Bd7 12. b4 g3 13. fxg3 hxg3 14. h3 Qe7 15. d5 Nb8
16. Ne3 Bf4 17. a4 a6 18. Bf1 Bc8 19. a5 Nbd7 20. Nf5 Qd8 21. c4 Nh5 22. c5
Ndf6 23. Ne3 Kf8 24. Ra3 Ne8 25. Qc2 Qf6 26. Nf3 Bd7 27. Qb2 Bh6 28. c6 bxc6
29. dxc6 Be6 30. Bxa6 Rxa6 31. b5 Ra8 32. b6 cxb6 33. axb6 Rb8 34. b7 Kg7 35.
Bd2 Nf4 36. Ba5 Qe7 37. Nf5+ Bxf5 38. exf5 Nd5 39. Nd2 Bf4 40. Ne4 Nef6 41.
Nxf6 Nxf6 42. Qb6 Nd5 43. Qb5 Nc7 44. Qf1 Nd5 45. Rb3 Rh4 46. Qf3 Nc7 47. Rb4
Qd8 48. Qc3 Kh6 49. Rf1 1-0

[Event "BEL/C76 (BEL)"]
[Site "ICCF"]
[Date "2020.10.15"]
[Round "?"]
[White "Groot, Peter J. A."]
[Black "Kutlu, Hasan"]
[Result "1-0"]
[ECO "C55"]
[WhiteElo "2352"]
[BlackElo "2243"]
[PlyCount "131"]
[EventDate "2020.??.??"]
[SourceVersionDate "2020.01.22"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 h6 5. O-O d6 6. c3 g5 7. Nbd2 Bg7 8. Bb3
Nh5 9. Nc4 Nf4 10. Ne3 Qf6 11. Ba4 O-O 12. Bc2 Ne7 13. d4 b6 14. Kh1 Qg6 15. a4
a5 16. d5 Qh5 17. Rg1 Qg6 18. g4 Nh3 19. Rg2 Qh7 20. Nf5 Ng6 21. Ng1 Nhf4 22.
Bxf4 Nxf4 23. Ne7+ Kh8 24. Nxc8 Raxc8 25. Ne2 Nxg2 26. Kxg2 h5 27. h3 h4 28.
Ng1 Rg8 29. Qe2 Bh6 30. Bd3 Rg6 31. Bb5 Qg8 32. Nf3 Rf6 33. Bd7 Ra8 34. Bf5 Bf8
35. Qc4 Ra7 36. Nd2 Be7 37. Qb5 Qa8 38. Nc4 Kg7 39. b4 Ra6 40. Qd7 Bd8 41. Qe8
Rh6 42. Ne3 Rh8 43. Qb5 Ra7 44. Bd7 Qb7 45. Qd3 Qb8 46. Bc6 Rh6 47. Nf5+ Kg6
48. Nxh6 Kxh6 49. Qf3 Kg7 50. Qf5 Be7 51. Re1 Qd8 52. Re3 Qh8 53. Rf3 Qf8 54.
b5 Kg8 55. Kg1 Kg7 56. Kf1 Qg8 57. c4 f6 58. Qd7 Qd8 59. Qe6 Qf8 60. Re3 Kh8
61. Rf3 Kg7 62. Rf5 Qd8 63. c5 dxc5 64. f4 exf4 65. e5 Qf8 66. Qd7 1-0

[Event "WS/MN/179"]
[Site "ICCF"]
[Date "2018.10.08"]
[Round "?"]
[White "Lovakovic, Franjo"]
[Black "Fengier, Dariusz"]
[Result "1-0"]
[ECO "C55"]
[WhiteElo "2373"]
[BlackElo "2322"]
[PlyCount "87"]
[EventDate "2018.??.??"]
[SourceVersionDate "2020.01.22"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 h6 5. O-O d6 6. c3 g5 7. Nbd2 Bg7 8. a4
O-O 9. h3 Ne7 10. Re1 c6 11. Bb3 Ng6 12. d4 exd4 13. cxd4 Re8 14. Bc2 c5 15. d5
g4 16. hxg4 Nxg4 17. Nc4 b6 18. Bd2 Ba6 19. Ne3 Bc8 20. Nc4 Ba6 21. Ne3 Bc8 22.
Qc1 h5 23. Ra3 N6e5 24. Nxe5 Bxe5 25. Nd1 Qf6 26. Rh3 Bd4 27. Kh1 Qg6 28. Bc3
Ne5 29. Qf4 Bxc3 30. Rxc3 Bg4 31. f3 Bd7 32. Qh4 Qh6 33. f4 Ng4 34. Rf3 Kh8 35.
Ne3 Rg8 36. Nc4 b5 37. axb5 Bxb5 38. b3 Rae8 39. Kg1 Kg7 40. Bd1 Bxc4 41. bxc4
Qg6 42. Rg3 Qf6 43. Qxf6+ Kxf6 44. Rh3 1-0

  
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Kerangali
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Re: 4.d3 h6!?
Reply #14 - 09/24/23 at 18:06:25
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GM Papaioannou has a course on modern-chess including 4.d3 h6 for Black. The free link below has some explanations:
https://www.modern-chess.com/1-e4-e5-for-black-repertoire-against-the-italian-ga...
  
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Re: 4.d3 h6!?
Reply #13 - 09/24/23 at 15:39:39
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4.d3 h6 is the line covered in Sethuraman's "Lifetime Repertoire: 1.e4 e5" on Chessable.

And also in the free Chessable repertoire "Two Knights Defence" by FM Andrey Terekhov.

But I find it really hard to get a feel for the mass of variations; there are transpositions everywhere (white can vary a lot with the order of their early moves) and I don't get a sense of what lines are main lines and which are sidelines.

Has anyone seen a good explanation (or even video) about that in the years since the last posts?
  
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Re: 4.d3 h6!?
Reply #12 - 09/11/19 at 07:51:41
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In Playing 1.e4 e5 - A Classical Repertoire, where he recommends the Two Knights and the Breyer.
  
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Re: 4.d3 h6!?
Reply #11 - 09/11/19 at 07:31:57
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Interesting subject. Straggler, where did Ntirlis said that?
  
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Re: 4.d3 h6!?
Reply #10 - 09/11/19 at 07:00:23
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Many thanks to all. Ntirlis also recommends 4...Be7 and does not mention 4...h6. But he remarks on the resemblance between 4.d3 in the Two Knights and d3 in the Spanish, and against 5.d3 in the Spanish he does recommend 5...d6 and 6...g6. He even points out that this line can turn into an accelerated version of his Breyer lines with ...Be7-f8-g7. So, for someone who likes those Breyer lines, I'm wondering whether 4...h6 might actually be a way to take advantage of the bishop being on c4 rather than b5!
« Last Edit: 09/11/19 at 13:01:25 by Straggler »  
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Re: 4.d3 h6!?
Reply #9 - 09/11/19 at 01:18:16
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BadDays wrote on 09/11/19 at 01:07:20:
... the aforementioned 10...Nd7 ...

I didn't see 10...Nd7 anywhere.

Lane gives 10...Bd7 (10...Kh7, 10...Nh7, 10...Qd8).

Beliavsky / Mikhalchishin gives 10...Nh7 (10...Nh5, 10...Nd8, 10...Kh7).

Nunn gives 10...Nh7 (10...Bd7, 10...Kh7).

I think 7.d4! is correct, but black should also investigate slower moves because many whites will play 7.Re1 or other autopilot moves.
  
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Re: 4.d3 h6!?
Reply #8 - 09/11/19 at 01:13:27
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Incidentally that Nunn-Christiansen game appeared in Secrets of Grandmaster Play by Nunn and Griffiths (and the later edition, Secrets of Grandmaster Chess).
  
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Re: 4.d3 h6!?
Reply #7 - 09/11/19 at 01:08:49
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emary wrote on 09/10/19 at 22:11:06:
I am not sure if John Emms has covered 4.d3 h6 in "Play the Open Games with Black".

No, it's 4...Be7 there.

4...h6 is also not in:
  • Bologan (2014) Bologan's Black Weapons (4...Be7 and 4...Bc5).
  • Lokander (2015) The Open Games with Black (4...Be7).
  • Johnsen (2018) How to Beat the Open Games (4...Be7 and 4...Bc5).


Edited:
added Lokander
  
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Re: 4.d3 h6!?
Reply #6 - 09/11/19 at 01:07:20
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Delchev claims an edge for White in the line 4.d3 h6 5.0-0 d6 6.c3 g6 7.d4! Qe7 8.Re1 Bg7 9.Nbd2 0-0 10.h3 in his book "Bc4 Against the Open Games" (Chess Stars 2018), although he doesn't analyze the aforementioned 10...Nd7. I haven't checked his analysis for myself yet but in general, I think his work is of high quality.

In fact, the popularity of 6...g5 can be largely explained by the fact that it prevents 7.d4?! due to 7...g4. I'm not so sure about 6...g5 following other "non-critical" 6th moves, however...
  
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Re: 4.d3 h6!?
Reply #5 - 09/11/19 at 00:36:11
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Nunn et. al. (1999) Nunn's Chess Openings

Since Lane quoted a Nunn game (two, actually; also Nunn - Spassky, London 1982), I was curious what NCO would offer. 4...h6 is covered on page 315, line 1. I was a little disappointed to not see any game references, but I do recognize some of the games.

1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.d3

Note 1: 4.Nc3; and 4.O-O, not relevant.

4...h6 5.O-O d6 6.c3 g6

Note 2: 6...g5 follows Gelfand - Bareev, Munich 1992 (+=), mentioned in Beliavsky / Mikhalchishin.

7.d4

Note 3: 7.Re1 with various lines. One of the games is Yudasin - Mikhalchishin, Lviv 1983 (+=), mentioned in Beliavsky / Mikhalchishin.

7...Qe7 8.Nbd2 Bg7 9.Re1 O-O 10.h3 Nh7

Note 4: 10...Bd7 follows Nunn - Christiansen, London 1982 (+=) mentioned in Lane;
and 10...Kh7 follows Psahkis - Nei, Tallinn 1983 (+=) mentioned in both Lane and Beliavsky / Mikhalchishin.

11.Nf1 Ng5 12.N1h2 Nxf3+ (+=)

note 5: continues from line 1, 13.Nxf3 Kh7 14.a4 f5 15.dxe5 dxe5 (so far Ghinda - Beliavsky, Lvov 1981 https://www.sachista.sk/archivegames/game/21861), mentioned in both Lane and Beliavsky / Mikhalchihsin. Now NCO deviates with 16.Bd5 (+=). Beliavsky / Mikhalchishin also gave 16.Bd5 without evaluation.
  
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Re: 4.d3 h6!?
Reply #4 - 09/10/19 at 22:11:06
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Alexander Ipatov: Unconventional Approaches to Modern Chess
Volume 1; Thinkers Publishing 2019
covers an aggressive approach in this line:

Ipatov analyses two games (pages 309 - 315):
1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.d3 h6 5. 0-0 d6 6.Re1 g5
(Vachier Lagrave - Mamedyarov 2018)   and
... 6.c3 g5
(Fossan - Hammer 2018)

I am not sure if John Emms has covered 4.d3 h6 in
"Play the Open Games with Black".
  
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Re: 4.d3 h6!?
Reply #3 - 09/10/19 at 16:28:13
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Thanks very much. With your help I've also found a discussion of 5.0-0 d6 6.c3 g6 7.d4 Nd7!? (or "?!" according to Beliavsky & Mikhalchishin) at http://www.chesspub.com/cgi-bin/chess/YaBB.pl?num=1326725495/5. I'm not sure what that discussion is doing in the "Italian" sub-forum.
  
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Re: 4.d3 h6!?
Reply #2 - 09/10/19 at 15:04:15
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Lane (1993) Winning with the Bishop's Opening

Game on pages 41-45: Nunn - Christiansen, London 1982. Additionally four other game fragments (not counting one for 4...d6), including Ghinda - Beliavsky. The most recent quoted is Psakhis - Nei, Tallinn 1983. I suspect that Lane's analysis relies heavily on the Informator(s).

In Ghinda - Beliavsky, Lane offers a one-move improvement, 20.Ne4, saying it "gives white an acceptable game". Beliavsky / Mikhalchishin analyze 20.Ne4 to move 26.
  
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Re: 4.d3 h6!?
Reply #1 - 09/10/19 at 12:10:16
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Beliavsky / Mikhalchishin (1999) The Two Knights Defence

The book has some gaps...

4.d3 is not in the theoretical section, but is in the games section. 4...Be7 is games 10 and 12, and 4...h6 is game 11 on pages 39-42: Ghinda - Beliavsky, Lvov 1981. In the notes they reference 14 other game fragments, including two each by Beliavsky and Mikhalchishin, also including Kogan - Svidler (=). The most recent quoted is Tiviakov - Sermek, Beijing 1997.
  
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