| Amsterdam IBM (1974) |
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"Three players finished first: Ivkov, Tukmakov and Jansa (in that Berger-Sonneborn order). Of them, Ivkov remained undefeated, while Tukmakov lost his undefeated streak in the last round to his compatriot Geller. Ivkov — in my opinion — with a little luck could have won the sole first place, playing so well and confidently. He stepped in for the ill Olafsson, and left as suddenly as he came: he rushed to Manila to second Marjanovic for the World Youth Championship. Tukmakov proved that his success in Madrid last year was no coincidence. Jansa entered by winning last year's B tournament (it is true that he received the grandmaster title in the process, so he could have been invited directly!), and with the help of Fortuna he achieved the greatest success of his life so far. His games fluctuated, but he usually prevailed. Apart from Ivkov, I was the only one who managed to remain unbeaten. With the exception of my Planinc game, I was usually better or at least equal, and with a little luck I could have achieved a better result. Even so, it was one of my strongest tournaments, if you look at the bottom of the table: Timman, Donner ..." (Ribli in Sakkélet, transl.) Amsterdam, the Netherlands, 16 July - 3 August 1974 Age Elo* 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 Pts
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=1 Ivkov 40 2530 • ½ ½ ½ 1 ½ ½ ½ ½ ½ 1 1 1 ½ 1 ½ 10
=1 Tukmakov 28 2570 ½ • ½ ½ ½ 0 1 ½ 1 1 ½ ½ 1 1 1 ½ 10
=1 Jansa 31 2535 ½ ½ • ½ 0 ½ 1 ½ 1 1 0 ½ 1 1 1 1 10
4 Ribli 22 2525 ½ ½ ½ • ½ ½ 1 ½ 1 ½ 1 ½ ½ ½ ½ ½ 9
5 Ree 29 2425 0 ½ 1 ½ • ½ 0 0 1 0 ½ 1 ½ 1 1 1 8½
=6 Geller 49 2610 ½ 1 ½ ½ ½ • ½ ½ ½ ½ ½ 1 ½ ½ 0 ½ 8
=6 Velimirovic 32 2530 ½ 0 0 0 1 ½ • 1 0 ½ 0 1 1 ½ 1 1 8
=8 Csom 34 2540 ½ ½ ½ ½ 1 ½ 0 • ½ 0 ½ ½ ½ 1 ½ ½ 7½
=8 Langeweg 37 2390 ½ 0 0 0 0 ½ 1 ½ • ½ 1 ½ ½ ½ 1 1 7½
10 Planinc 30 2545 ½ 0 0 ½ 1 ½ ½ 1 ½ • 1 0 ½ ½ 0 ½ 7
=11 Timman 22 2540 0 ½ 1 0 ½ ½ 1 ½ 0 0 • 0 ½ ½ 1 ½ 6½
=11 Lombardy 36 2520 0 ½ ½ ½ 0 0 0 ½ ½ 1 1 • ½ ½ 0 1 6½
=11 Sosonko 31 2450 0 0 0 ½ ½ ½ 0 ½ ½ ½ ½ ½ • 1 1 ½ 6½
14 Donner 47 2495 ½ 0 0 ½ 0 ½ ½ 0 ½ ½ ½ ½ 0 • 1 ½ 5½
15 Knaak 21 2515 0 0 0 ½ 0 1 0 ½ 0 1 0 1 0 0 • 1 5
16 Kaplan 24 2460 ½ ½ 0 ½ 0 ½ 0 ½ 0 ½ ½ 0 ½ ½ 0 • 4½
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This was the 14th tournament sponsored by IBM. Fifteen rounds in 19 days, starting on Tuesday 16 July. Rest days 20, 25, 28 July and 2 August. Rounds started at 1 pm. Chief arbiter: Piet Bakker. Ivkov, Tukmakov & Jansa shared 1st with 10/15.Photo (Geller vs Ivkov): https://upload.wikimedia.org/wikipe...
Photo (Tukmakov vs Csom): https://upload.wikimedia.org/wikipe...
Photo (Jansa vs Ree): https://upload.wikimedia.org/wikipe...
Sources
Dutchbase (https://maxeuwe.nl/files-dutchbase/...)
Eric Delaire website (https://web.archive.org/web/2008042...)
*FIDE rating list May 1974 (https://web.archive.org/web/2023121...)
Jaque 34, October 1974, pp. 7-15 (https://www.olimpbase.org/leagueES/...)
Shakhmatny Bulletin, 12/1974, pp. 380-383 (https://publ.lib.ru/ARCHIVES/SH/''S... )
Magyar Sakkélet, 10/1974, pp. 225-227 (https://adt.arcanum.com/en/view/Sak...)
Dutch newspapers (available at https://www.delpher.nl/nl/kranten)
Previous: Amsterdam IBM (1973). Next: Amsterdam IBM (1975). See also Amsterdam IBM-B (1974)
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| page 1 of 2; games 1-25 of 34 |
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| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 1. Ivkov vs Knaak |
| 1-0 | 41 | 1974 | Amsterdam IBM | B00 Uncommon King's Pawn Opening |
| 2. Tukmakov vs Sosonko |
 | 1-0 | 33 | 1974 | Amsterdam IBM | B78 Sicilian, Dragon, Yugoslav Attack, 10.castle long |
| 3. H Ree vs Lombardy |
| 1-0 | 41 | 1974 | Amsterdam IBM | D47 Queen's Gambit Declined Semi-Slav |
| 4. Tukmakov vs K Langeweg |
| 1-0 | 41 | 1974 | Amsterdam IBM | B83 Sicilian |
| 5. Velimirovic vs Csom |
 | 1-0 | 26 | 1974 | Amsterdam IBM | B90 Sicilian, Najdorf |
| 6. Jansa vs Knaak |
| 1-0 | 28 | 1974 | Amsterdam IBM | C72 Ruy Lopez, Modern Steinitz Defense, 5.O-O |
| 7. H Ree vs J H Donner |
| 1-0 | 54 | 1974 | Amsterdam IBM | B09 Pirc, Austrian Attack |
| 8. Csom vs H Ree |
| 1-0 | 21 | 1974 | Amsterdam IBM | D78 Neo-Grunfeld, 6.O-O c6 |
| 9. Knaak vs A Planinc |
| 1-0 | 37 | 1974 | Amsterdam IBM | A50 Queen's Pawn Game |
| 10. H Ree vs J Kaplan |
| 1-0 | 42 | 1974 | Amsterdam IBM | A73 Benoni, Classical, 9.O-O |
| 11. Velimirovic vs Knaak |
| 1-0 | 45 | 1974 | Amsterdam IBM | C69 Ruy Lopez, Exchange, Gligoric Variation |
| 12. Ivkov vs Sosonko |
| 1-0 | 63 | 1974 | Amsterdam IBM | A09 Reti Opening |
| 13. Ivkov vs Timman |
| 1-0 | 25 | 1974 | Amsterdam IBM | B03 Alekhine's Defense |
| 14. Tukmakov vs A Planinc |
| 1-0 | 44 | 1974 | Amsterdam IBM | C41 Philidor Defense |
| 15. Sosonko vs J H Donner |
| 1-0 | 33 | 1974 | Amsterdam IBM | E04 Catalan, Open, 5.Nf3 |
| 16. Timman vs Jansa |
| 1-0 | 32 | 1974 | Amsterdam IBM | A16 English |
| 17. K Langeweg vs Velimirovic |
| 1-0 | 40 | 1974 | Amsterdam IBM | A10 English |
| 18. Geller vs Lombardy |
| 1-0 | 58 | 1974 | Amsterdam IBM | B83 Sicilian |
| 19. H Ree vs K Langeweg |
| 1-0 | 42 | 1974 | Amsterdam IBM | B51 Sicilian, Canal-Sokolsky (Rossolimo) Attack |
| 20. J H Donner vs Knaak |
| 1-0 | 38 | 1974 | Amsterdam IBM | E59 Nimzo-Indian, 4.e3, Main line |
| 21. A Planinc vs Timman |
| 1-0 | 28 | 1974 | Amsterdam IBM | C19 French, Winawer, Advance |
| 22. Jansa vs Sosonko |
| 1-0 | 35 | 1974 | Amsterdam IBM | A36 English |
| 23. Timman vs Velimirovic |
| 1-0 | 34 | 1974 | Amsterdam IBM | A30 English, Symmetrical |
| 24. Jansa vs A Planinc |
| 1-0 | 28 | 1974 | Amsterdam IBM | B84 Sicilian, Scheveningen |
| 25. Ivkov vs H Ree |
| 1-0 | 39 | 1974 | Amsterdam IBM | A12 English with b3 |
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| page 1 of 2; games 1-25 of 34 |
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