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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 3 of 3; games 51-63 of 63  PGN Download
Game  ResultMoves YearEvent/LocaleOpening
51. Tukmakov vs Csom  ½-½381974Amsterdam IBMB62 Sicilian, Richter-Rauzer
52. Lombardy vs Jansa  ½-½201974Amsterdam IBMD94 Grunfeld
53. Csom vs K Langeweg  ½-½341974Amsterdam IBMA07 King's Indian Attack
54. J Kaplan vs Tukmakov  ½-½541974Amsterdam IBMB83 Sicilian
55. J H Donner vs Ivkov  ½-½421974Amsterdam IBME75 King's Indian, Averbakh, Main line
56. Sosonko vs Geller ½-½161974Amsterdam IBMA49 King's Indian, Fianchetto without c4
57. Timman vs J H Donner  ½-½201974Amsterdam IBMC54 Giuoco Piano
58. Ivkov vs Csom  ½-½151974Amsterdam IBME17 Queen's Indian
59. Jansa vs Ribli  ½-½191974Amsterdam IBMA15 English
60. Ribli vs A Planinc  ½-½331974Amsterdam IBMA10 English
61. Csom vs Timman  ½-½621974Amsterdam IBME62 King's Indian, Fianchetto
62. H Ree vs Sosonko  ½-½191974Amsterdam IBME39 Nimzo-Indian, Classical, Pirc Variation
63. J Kaplan vs Ivkov  ½-½111974Amsterdam IBMB52 Sicilian, Canal-Sokolsky (Rossolimo) Attack
 page 3 of 3; games 51-63 of 63  PGN Download
  REFINE SEARCH:   White wins (1-0) | Black wins (0-1) | Draws (1/2-1/2)  

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