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De Greiff, Boris
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| Chess Olympiads |
| OVERALL STATISTICS | |||||||||||
| ap | years | medals won | pts | gms | + | = | - | % | |||
| team | ind | ||||||||||
| 9 | 1954-1958, 1966, 1970-1978 | 0-0-0 | 1-1-0 | 66 | 118 | 38 | 56 | 24 | 55.9 | ||
| PLAYER'S RECORD YEAR BY YEAR | ||||||||||||||||||||
| no. | city | tourn | year | system | plrs | teams | team | flag | posT. | board | posI. | pts | gms | + | = | - | Elo | Elop | ||
| 23. | Buenos Aires | 23rd olm | Oct 1978 | S-14 | 388 | 66 | COL | 23. | 1 res. | 1 | 3 | 0 | 2 | 1 | 2335 | 2172 | ||||
| 22. | Haifa | 22nd olm | Oct 1976 | S-13 | 286 | 48 | COL | 10. | 1 res. | 1. | 5½ | 7 | 4 | 3 | 0 | 2320 | 2477 | |||
| 21. | Nice | 21st olm | Jun 1974 | Q+F | 445 | 75 | COL | 20. | 1 res. | 2. | 9 | 12 | 6 | 6 | 0 | 2325 | 2461 | |||
| 20. | Skopje | 20th olm | Sep 1972 | Q+F | 375 | 63 | COL | 25. | 4 | 22. | 8 | 16 | 4 | 8 | 4 | 2370 | 2284 | |||
| 19. | Siegen | 19th olm | Sep 1970 | Q+F | 360 | 60 | COL | 23. | 1 res. | 3½ | 8 | 3 | 1 | 4 | ||||||
| 18. | Lugano | 18th olm | Oct 1968 | Q+F | 314 | 53 | Did not take part. | |||||||||||||
| 17. | Havana | 17th olm | Oct 1966 | Q+F | 306 | 52 | COL | 22. | 3 | 21. | 8 | 16 | 4 | 8 | 4 | |||||
| 16. | Tel Aviv | 16th olm | Nov 1964 | Q+F | 294 | 50 | Did not take part. | |||||||||||||
| 15. | Varna | 15th olm | Sep 1962 | Q+F | 220 | 38 | Did not take part. | |||||||||||||
| 14. | Leipzig | 14th olm | Oct 1960 | Q+F | 232 | 40 | Did not take part. | |||||||||||||
| 13. | Munich | ↑ IM | 13th olm | Sep 1958 | Q+F | 207 | 36 | COL | 16. | 3 | 15. | 9½ | 19 | 2 | 15 | 2 | ||||
| 12. | Moscow | 12th olm | Aug 1956 | Q+F | 197 | 34 | COL | 18. | 3 | 7. | 11½ | 19 | 7 | 9 | 3 | |||||
| 11. | Amsterdam | 11th olm | Sep 1954 | Q+F | 149 | 26 | COL | 18. | 2 | 11. | 10 | 18 | 8 | 4 | 6 | |||||