Rogoff, Kenneth vs Tarjan, James
Pasadena ch-USA · Round 1 · 1978.01.01 · 1-0 · E11 Bogo-Indian Defense: Grünfeld Variation
Moves
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
13.
14.
15.
16.
17.
18.
19.
20.
21.
22.
23.
24.
25.
26.
27.
28.
29.
30.
31.
32.
33.
34.
35.
36.
37.
38.
39.
40.
41.
PGN
[Event "Pasadena ch-USA"]
[Site "Pasadena ch-USA"]
[Date "1978.01.01"]
[Round "1"]
[White "Rogoff, Kenneth"]
[Black "Tarjan, James"]
[Result "1-0"]
[PlyCount "81"]
[WhiteElo "2520"]
[WhiteFideId "2000237"]
[WhiteTitle "GM"]
[BlackElo "2510"]
[BlackFideId "2000180"]
[BlackTitle "GM"]
[ECO "E11a"]
[Source "MillionBase2.9"]
[SourceQuality "4"]
[ImportDate "2026-01-06"]
[Merged "true"]
1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 c5 5. e3 O-O 6. a3 Bxd2+ 7. Qxd2 b6 8.
Be2 d5 9. O-O Ba6 10. dxc5 bxc5 11. b3 Nc6 12. Bb2 Rb8 13. Qc2 Rb6 ( 13... Ne4
14. Rab1 Rb6 { continues in main line } ) 14. Rab1 Ne4 15. Rfd1 Na5 16. Bd3 f5
17. Ba1 Rd6 18. Ne5 Qg5 19. f4 Qd8 20. Bxe4 fxe4 21. cxd5 Rxd5 22. Rxd5 Qxd5
23. Qc3 Nb7 24. h3 Rc8 25. b4 Nd6 26. Nd7 Nf5 27. Nxc5 Bd3 28. Rd1 Rc7 29. Qd2
a5 30. Be5 Rxc5 31. bxc5 Qxc5 32. Kf2 Qxa3 33. g4 Nh4 34. Ra1 Qc5 35. Rxa5 Qe7
36. Ra8+ Kf7 37. Qa2 Bb5 38. Ra7 Bd7 39. Qa3 Qxa3 40. Rxa3 Ng6 41. Bd6 1-0