[Event "American Open"]  [Site "Santa Monica, CA"]  [Date "1973"]  [Round "?"]  [White "Larry M. Evans"]  [Black "James Tarjan"]  [Result "0-1"]  [ECO "B77"]  [Annotator "ATH"]  [PlyCount "62"]  [EventDate "1973.11.??"]  [EventType "swiss"]  [EventRounds "8"]  [EventCountry "USA"]  [SourceTitle "CL&R?"]  [Source "ChessBase"]  [SourceDate "2002.11.12"]  [SourceVersion "1"]  [SourceVersionDate "2002.11.12"]  [SourceQuality "1"]   1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 Nc6 8. Qd2  O-O 9. Bc4 ({Alternatives are} 9. O-O-O {and}) (9. g4) 9... Bd7 10. h4 Rc8 $13  {according to Kasparov and Keene in BCO2} 11. Bb3 Ne5 12. h5 (12. g4 $1 $14 {  Stockfish}) 12... Nxh5 13. g4 Nf6 14. Bh6 (14. O-O-O {is best according to  Stockfish while ECO's main line}) (14. Nd5 {fails to} e6 $15) 14... Bxh6 15.  Qxh6 $6 ({Ekstrom-Nemet, Swiss-ch 1995 went} 15. Rxh6 Qa5 16. O-O-O Rxc3 17.  bxc3 $6 Rc8 (17... Bxg4 $1 18. fxg4 Nxe4 $17) 18. Kb2 $44 {with a draw after  34 moves}) 15... Rxc3 $1 16. bxc3 Qa5 17. O-O-O Qxc3 18. Kb1 $6 (18. Nf5 $1  gxf5 (18... Bxf5 19. exf5 $11) 19. gxf5 Qxf3 20. Rdg1+ Neg4 21. Rh4 Qf1+ $1 22.  Rxf1 Nxh6 23. Rxh6 $44) 18... Rc8 19. Qc1 $6 (19. Qd2 $15) 19... a5 20. g5 Nh5  21. a3 Qc5 22. Qb2 $6 (22. Rh2 $17) 22... Ra8 (22... b5 $1) 23. Rhf1 $2 (23.  Ka1 $17) 23... a4 $19 24. Ba2 (24. f4 Ng4 25. Bxf7+ {is a lot better according  to the computer but it hardly matters. White is lost.}) 24... Ra6 25. f4 Ng4 ({  The fact that the computer thinks} 25... Rb6 {is a lot better also hardly  matters.}) 26. f5 Ne5 27. fxg6 hxg6 28. Kc1 Rb6 29. Qa1 Bg4 30. Rde1 Nc4 31.  Bxc4 $2 {The final (irrelevant) blunder} Qxg5+ 0-1