[Event "1971 Canadian Open"]  [Site "Vancouver, BC"]  [White "Hans Ree"]  [Black "Edward Formanek"]  [Result "1-0"]  [ECO "A12"]  [Annotator "ATH"]  [PlyCount "55"]  [EventDate "1971.08.??"]  [EventType "swiss"]  [EventRounds "11"]  [EventCountry "CAN"]  [SourceTitle "Canbase"]  [SourceDate "2015.08.19"]  [SourceVersion "1"]  [SourceVersionDate "2015.08.19"]  [SourceQuality "1"]   1. c4 c6 2. Nf3 d5 3. b3 Nf6 4. g3 Bf5 (4... dxc4 $1 5. bxc4 e5 6. Nc3 (6. Nxe5  $4 Qd4) 6... Bd6 $11) 5. Ba3 $5 (5. Bg2 Nbd7 $11) 5... Nbd7 (5... dxc4 $5) 6.  Bg2 e5 7. Bxf8 Kxf8 8. O-O Kg8 $146 ({Stockfish recommends} 8... dxc4 $11 {  as best}) (8... g6 9. d3 Kg7 10. Nbd2 Re8 11. Qc2 Qb6 $11 {Johansson-Pomar  Salamanca, Lugano 1968}) 9. d3 h6 (9... g6 $5) 10. Nbd2 Be6 11. Qc2 d4 $6 (  11... Kh7 12. e3 Re8 $11) 12. b4 $6 (12. Rae1 c5 13. e3 $14) 12... g5 $6 (12...  a5 $1 $11) 13. Nb3 Qe7 $6 (13... b6 14. e3 c5 15. exd4 exd4 16. h4 $14) 14.  Rab1 (14. a3 $1 $16) 14... Rc8 $6 (14... Kg7 15. Rfe1 Rhe8 16. Na5 Rab8 17. e3  $14) 15. Rfe1 g4 (15... Kg7 16. e3 $16) 16. Nfd2 $6 (16. Nh4 $16) 16... b6 17.  e3 dxe3 $5 (17... c5 18. bxc5 bxc5 19. Na5 $16) 18. Rxe3 Qxb4 19. d4 $1 (19.  Nd4 Qd6 20. Nxe6 $14) 19... Qd6 20. Qc3 exd4 ({Slightly better is} 20... e4 21.  Rbe1 $1 $16 {stronger than the immediate} (21. Nxe4)) 21. Nxd4 c5 22. Nxe6 fxe6  23. Ne4 (23. Rbe1 $1 {is even stronger}) 23... Nxe4 $2 (23... Qe7 24. h4 $16)  24. Rxe4 h5 25. Rxe6 $1 Qd4 $2 (25... Qxe6 26. Bd5 Qxd5 27. cxd5 {offers the  best chance (i.e., none)}) 26. Qc2 Rh7 $2 (26... Nf8 {is a full two  (irrelevant) pawn equivalances better}) 27. Rd1 Qh8 $2 {Black just wants to be  put out of his misery} 28. Bd5 1-0