Quite a while ago now I made (as a Word file) the doc shown below. I haven't looked at it since and I'm not sure how it will copy here, but here it is in case it's of any use (probably not much, as it seems to cover only positions with c2-c3 in; still, even here the alternatives and the transpos are rather boggling). Parenthetical numbers in the text refer to the Notes below. ***** Modern Steinitz Move Orders I With 5/6/7 …Nf6 (i.e. Black has played …Nf6 by move 7, delaying …Bg7) (a) with 5 …Nf6 5 0-0 Nf6(1) 6 c3 Bd7 7 d4(2) g6 → 8 Re1(3) b5(4) 9 Bb3 Bg7 (b) with 6 …Nf6(5) 5 0-0 Bd7 6 c3 Nf6(6) 7 d4 g6 → 8 Re1 b5 9 Bb3 Bg7 5 0-0 Bd7 6 d4 Nf6(7) 7 c3(8) g6 [Parma–Keres] → ditto. 5 c3 Bd7 6 d4 Nf6 7 0-0(9) g6 → ditto. (c) with 7 …Nf6 5 0-0 Bd7 6 c3 g6 7 d4 Nf6 → 8 Re1 b5 9 Bb3 Bg7 II With 9 …Nf6 (i.e. Black completes his fianchetto on move 7, delaying development of his KN) 5 0-0 Bd7 6 c3 g6 7 d4 Bg7(10) → 8 Re1(11) b5(12) 9 Bb3(13) Nf6 5 c3 Bd7 6 0-0 g6 7 d4 Bg7 → ditto. 5 c3 Bd7 6 d4 g6(14) 7 0-0 Bg7 → ditto. Notes 1. 5 ..g6?! 6 d4! (Taylor 22). 2. Fogarasi–Davies featured a rare, irrelevant transposition of White’s 7th and 8th moves. 3. Alternatives, in this position with …Nf6 in rather than …Bg7, are: (1) 8 d5; (2) 8 Bg5 b5! 9 Bb3 Bg7 [T 75]; (3) 8 Bc6; and (4) 8 Nbd2. 4. There is of course nothing wrong with the immediate 8 …Bg7 here, transposing to 8 …Nf6 in note 12. 5. All mentioned by Taylor at p. 74. 6. T (11, 41, 54–6, 58–9, 64) says 6 …Nge7 (the Rubinstein Variation) is interesting here with White having castled, but inferior after 5 c3 Bd7 6 d4 because of 7 Be3! (7 …Ng6 8 h4!). 7. Here Kuljasevic at Modern Chess (Ch. 2) gives instead (though without suggesting Black needs to avoid the next note) 6 …ed 7 Nd4 b5 8 Nc6 Bc6 9 Bb3 Nf6, when Leko–Mamedyarov continued 10 Nc3 Be7 11 Re1 0-0. 8. Or: (1) 7 Bc6 Bc6 8 Re1 Be7 9 Nc3 ed! 10 Nd4 Bd7 (Stellwagen–Tomashevsky) (T game 71, pp. 221–3); (2) 7 de Ne5! (T 8, 223). 9. 7 Qe2 Be7! (T 93). 10. T (23, 75) says 7 …Bg7 here (iso 7 …Nf6) is inferior because of 8 Bg5, but he doesn’t even mention 8 …f6 as given by Kuljasevic (Ch. 8), considered OK for Black. 11. Alternatives, in this position with …Bg7 in rather than …Nf6, are: (1) 8 d5; (2) 8 Bg5; (3) 8 Be3; (4) 8 de; and (5) 8 h3. 12. Of course, Black can also play 8 …Nge7 and 8 …Nf6 here, the latter being Kuljasevic’s recommendation (Ch. 10). 13. See T 76, 81, 82. For 9 Bc2 here see T 76. 14. T (87, 93) says 6 …g6 here (iso 6 …Nf6) is inferior because of 7 Bg5, but Kuljasevic (Ch. 8) gives 7 …f6 8 Be3 Nh6 9 0-0(!) Bg7, transposing to 8 Bg5 f6 in note 10.
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