[Event "?"]
[Site "?"]
[Date "????.??.??"]
[Round "?"]
[White "Main line"]
[Black "?"]
[Result "*"]
[ECO "E43"]
[Annotator "chess-teacher.com"]
[PlyCount "36"]
[SourceVersionDate "2026.07.12"]

{[%evp 0,36,38,32,28,0,-5,6,11,20,44,44,45,44,32,32,36,43,43,39,39,8,53,-8,-29,
-30,-33,-37,-27,-122,-138,-232,-232,-29995,-29996,-29997,-29998,-29999,-30000]
} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 (4. e4 Nxe4) 4... Ne4 5. Qc2 f5 6. e3 b6
7. Bd3 Bb7 8. O-O (8. Bd2 Bxc3 9. Bxc3) (8. Bxe4 fxe4) 8... Bxc3 9. bxc3 O-O
10. Ba3 (10. Nd2 Qh4 11. g3 Ng5 12. gxh4 Nh3#) 10... Rf6 11. Ne5 d6 12. Nf3 Rg6
13. Kh1 Nd7 14. Ne1 Qh4 15. h3 Nd2 $3 16. Qxd2 Qxh3+ 17. Kg1 Rxg2+ $1 18. Nxg2
Qxg2# *

[Event "Karlsbad"]
[Site "Karlsbad CSR"]
[Date "1929.08.14"]
[Round "12"]
[White "Hermanis Karlovich Mattison"]
[Black "Aron Nimzowitsch"]
[Result "0-1"]
[ECO "E21"]
[Annotator "chess-teacher.com"]
[PlyCount "48"]
[EventDate "1929.07.31"]

{[%evp 0,46,32,28,27,6,6,-11,33,36,33,21,41,50,66,16,38,-12,-11,-12,-6,-8,-16,
-27,-17,-43,-45,-102,-119,-117,-109,-144,-131,-131,-131,-131,-131,-144,-144,
-123,-131,-189,-174,-193,-180,-176,-152,-328,-345]} 1. d4 Nf6 2. c4 e6 3. Nc3
Bb4 4. Nf3 Bxc3+ 5. bxc3 d6 6. Qc2 Qe7 7. Ba3 (7. e4 e5 8. Bd3) 7... c5 $1 8.
g3 (8. e4 e5 9. d5) 8... b6 9. Bg2 Bb7 10. O-O O-O 11. Nh4 (11. dxc5 dxc5)
11... Bxg2 12. Kxg2 Qb7+ 13. Kg1 Qa6 14. Qb3 Nc6 15. Rfd1 Na5 16. Qb5 Qxb5 17.
cxb5 Nc4 18. Bc1 a6 19. bxa6 Rxa6 20. dxc5 bxc5 21. Ng2 Nd5 22. Rd3 Rfa8 23. e4
Ne5 $1 {White resigned due to} 24. Rd1 Nxc3 0-1