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TOURNAMENT STANDINGS
Amsterdam IBM Tournament

Borislav Ivkov10/15(+5 -0 =10)[games]
Vladimir Tukmakov10/15(+6 -1 =8)[games]
Vlastimil Jansa10/15(+7 -2 =6)[games]
Zoltan Ribli9/15(+3 -0 =12)[games]
Hans Ree8.5/15(+6 -4 =5)[games]
Efim Geller8/15(+2 -1 =12)[games]
Dragoljub Velimirovic8/15(+6 -5 =4)[games]
Istvan Csom7.5/15(+2 -2 =11)[games]
Kick Langeweg7.5/15(+4 -4 =7)[games]
Albin Planinc7/15(+3 -4 =8)[games]
Jan Timman6.5/15(+3 -5 =7)[games]
William Lombardy6.5/15(+3 -5 =7)[games]
Gennadi Sosonko6.5/15(+2 -4 =9)[games]
Jan Hein Donner5.5/15(+1 -5 =9)[games]
Rainer Knaak5/15(+4 -9 =2)[games]
Julio Kaplan4.5/15(+0 -6 =9)[games]
*

Chessgames.com Chess Event Description
Amsterdam IBM (1974)

"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 ———————————————————————————————————————————————————————————— =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 ————————————————————————————————————————————————————————————

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)

 page 1 of 5; games 1-25 of 120  PGN Download
Game  ResultMoves YearEvent/LocaleOpening
1. K Langeweg vs Geller  ½-½371974Amsterdam IBME97 King's Indian
2. Ivkov vs Knaak  1-0411974Amsterdam IBMB00 Uncommon King's Pawn Opening
3. Jansa vs Csom ½-½731974Amsterdam IBMB31 Sicilian, Rossolimo Variation
4. H Ree vs Lombardy  1-0411974Amsterdam IBMD47 Queen's Gambit Declined Semi-Slav
5. Tukmakov vs Sosonko 1-0331974Amsterdam IBMB78 Sicilian, Dragon, Yugoslav Attack, 10.castle long
6. Timman vs J Kaplan  ½-½271974Amsterdam IBME56 Nimzo-Indian, 4.e3, Main line with 7...Nc6
7. Velimirovic vs Ribli  0-1341974Amsterdam IBMB44 Sicilian
8. A Planinc vs J H Donner  ½-½401974Amsterdam IBMB08 Pirc, Classical
9. Geller vs Ivkov  ½-½371974Amsterdam IBMB77 Sicilian, Dragon, Yugoslav Attack
10. J Kaplan vs Jansa  0-1351974Amsterdam IBMB46 Sicilian, Taimanov Variation
11. Sosonko vs Lombardy  ½-½381974Amsterdam IBME04 Catalan, Open, 5.Nf3
12. Knaak vs Timman  0-1451974Amsterdam IBME44 Nimzo-Indian, Fischer Variation, 5.Ne2
13. J H Donner vs Velimirovic  ½-½421974Amsterdam IBMA76 Benoni, Classical, 9...Re8
14. Csom vs A Planinc 0-1341974Amsterdam IBMA87 Dutch, Leningrad, Main Variation
15. Tukmakov vs K Langeweg  1-0411974Amsterdam IBMB83 Sicilian
16. Ribli vs H Ree  ½-½671974Amsterdam IBMA05 Reti Opening
17. Timman vs Geller ½-½571974Amsterdam IBMC93 Ruy Lopez, Closed, Smyslov Defense
18. Ivkov vs Tukmakov  ½-½391974Amsterdam IBMA16 English
19. Jansa vs Knaak  1-0281974Amsterdam IBMC72 Ruy Lopez, Modern Steinitz Defense, 5.O-O
20. Lombardy vs Ribli  ½-½131974Amsterdam IBME60 King's Indian Defense
21. K Langeweg vs Sosonko  ½-½141974Amsterdam IBME46 Nimzo-Indian
22. Velimirovic vs Csom 1-0261974Amsterdam IBMB90 Sicilian, Najdorf
23. A Planinc vs J Kaplan  ½-½251974Amsterdam IBMB78 Sicilian, Dragon, Yugoslav Attack, 10.castle long
24. H Ree vs J H Donner  1-0541974Amsterdam IBMB09 Pirc, Austrian Attack
25. Geller vs Jansa  ½-½351974Amsterdam IBMC89 Ruy Lopez, Marshall
 page 1 of 5; games 1-25 of 120  PGN Download
  REFINE SEARCH:   White wins (1-0) | Black wins (0-1) | Draws (1/2-1/2)  

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