[Event "Bognor Regis 1957"]  [Site "?"]  [Round "?"]  [White "Svetozar Gligoric"]  [Black "Leonard Barden"]  [Result "1-0"]  [ECO "B67"]  [Annotator "ATH"]  [PlyCount "71"]  [EventDate "1957.??.??"]  [SourceTitle "StarBase 4.56"]  [SourceDate "2004.11.04"]  [SourceVersion "1"]  [SourceVersionDate "2004.11.04"]  [SourceQuality "2"]   1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Qd2 a6 8.  O-O-O Bd7 9. f4 h6 10. Bh4 Nxe4 $6 (10... Be7 11. Nf3 $1 Qc7 {and here,  according to Stockfish,} 12. Rg1 $1 $14 {is best even though it's not in the  database}) 11. Qe1 $1 Nf6 12. Nf5 Qa5 13. Nxd6+ Bxd6 14. Rxd6 Qc7 $6 (14...  O-O-O 15. Bxf6 gxf6 16. Rd2 $14) 15. Rd2 Qxf4 $6 (15... O-O-O 16. Qf2 Ne7 (  16... Kb8 $5) 17. Bd3 Bc6 18. Rhd1 $16 {Kolev-Bove, Plovdiv 2010}) 16. Be2 ({  A little bit stronger is} 16. Bxf6 $1 Qxf6 17. Ne4 Qe7 18. Nd6+ Kf8 19. Nxb7  $16 {Daurelle-Verat, Clichy 2002}) 16... Ne4 $6 (16... O-O-O 17. Rf1 $16) 17.  Nxe4 Qxe4 18. Qf2 (18. Rf1 {is a wee bit stronger}) 18... Ne5 $2 (18... Qf5 19.  Qe3 $16) 19. Rhd1 (19. Bh5 {led to a quick win in Mednis-Rannanjarvi,  Rejkjavik 1957 after} Rc8 $2 20. Kb1 O-O 21. Re1 {1-0}) ({but} 19. Bg3 $18 {  is even better}) 19... Rc8 ({Black is lost but} 19... O-O 20. Rxd7 Nxd7 21.  Rxd7 Rac8 {puts up a better fight}) 20. Bh5 $2 {Throws away a large part of  White's advantage} (20. Bg3 $18) 20... O-O 21. Rxd7 Nxd7 22. Rxd7 Qa4 23. Rd3  $2 ({Missing} 23. Rxf7 $18 {and throwing away still more of his advantage})  23... Qxa2 24. Ra3 Qd5 25. Bf3 Qd7 26. Kb1 Rc4 27. Rd3 Qc7 $2 (27... Qb5 28.  Bg3 $16 {is better}) 28. Bg3 (28. b3 $1 $18) 28... Qa5 29. Qe1 (29. b3 $1 $18)  29... Qxe1+ (29... Qb5 {is ever so slightly better according to Stockfish}) 30.  Bxe1 b5 ({Ditto for} 30... b6) 31. b3 Rf4 32. Rd6 e5 ({Giving up the a-pawn  with} 32... a5 {is a slightly slower way to lose}) 33. Bg3 Rd4 34. Bxe5 Rxd6  35. Bxd6 Rd8 36. Bb4 1-0