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TOURNAMENT STANDINGS
Amsterdam IBM-B Tournament

Heinz Lehmann7.5/9(+6 -0 =3)[games]
Mario Bertok5/9(+2 -1 =6)[games]
Rob Hartoch5/9(+3 -2 =4)[games]
Coenraad Zuidema5/9(+3 -2 =4)[games]
Georg Kieninger4.5/9(+1 -1 =7)[games]
Hans Ree4.5/9(+3 -3 =3)[games]
H Crabbendam3.5/9(+3 -5 =1)[games]
Arthur Dunkelblum3.5/9(+0 -2 =7)[games]
Ludwig Rellstab3.5/9(+1 -3 =5)[games]
Gerard J Kool3/9(+2 -5 =2)[games]
*

Chessgames.com Chess Event Description
Amsterdam IBM-B (1963)

Amsterdam, the Netherlands, 28 August - 7 September 1963

Age 1 2 3 4 5 6 7 8 9 0 ————————————————————————————————————————— 1 Lehmann 41 • ½ 1 1 ½ 1 1 ½ 1 1 7½ =2 Bertok 34 ½ • ½ 1 ½ ½ 1 ½ ½ 0 5 =2 Hartoch 16 0 ½ • ½ ½ 0 1 1 ½ 1 5 =2 Zuidema 21 0 0 ½ • ½ 1 1 ½ 1 ½ 5 =5 Kieninger 61 ½ ½ ½ ½ • ½ 1 ½ ½ 0 4½ =5 Ree 18 0 ½ 1 0 ½ • 0 ½ 1 1 4½ =7 Crabbendam -- 0 0 0 0 0 1 • 1 ½ 1 3½ =7 Dunkelblum 57 ½ ½ 0 ½ ½ ½ 0 • ½ ½ 3½ =7 Rellstab 58 0 ½ ½ 0 ½ 0 ½ ½ • 1 3½ 10 Kool 25 0 1 0 ½ 1 0 0 ½ 0 • 3 —————————————————————————————————————————

Nine rounds in 11 days, starting on Wednesday 28 August. Rest days 1 & 6 September. Lehmann vs Zuidema 1-0 (Round 7) is missing (= 44 games). Lehmann won with 7½/9.

Photo (Lehmann): https://upload.wikimedia.org/wikipe...

Sources
Dutchbase (https://maxeuwe.nl/files-dutchbase/...)
Magyar Sakkélet, 10/1963, p. 149 (https://adt.arcanum.com/en/view/Sak...)
Belgian Chess History, 3rd IBM tournament (https://www.belgianchesshistory.be/...)
Dutch newspapers (available at https://www.delpher.nl/nl/kranten)

Next: Amsterdam IBM-B (1964). See also Amsterdam IBM (1963)

 page 1 of 1; 16 games  PGN Download 
Game  ResultMoves YearEvent/LocaleOpening
1. H Ree vs R Hartoch  1-0621963Amsterdam IBM-BA44 Old Benoni Defense
2. H Crabbendam vs G Kool  1-0261963Amsterdam IBM-BC47 Four Knights
3. C Zuidema vs L Rellstab  1-0331963Amsterdam IBM-BC75 Ruy Lopez, Modern Steinitz Defense
4. R Hartoch vs A Dunkelblum  1-0441963Amsterdam IBM-BC41 Philidor Defense
5. H Lehmann vs H Crabbendam  1-0291963Amsterdam IBM-BB42 Sicilian, Kan
6. L Rellstab vs G Kool  1-0241963Amsterdam IBM-BE38 Nimzo-Indian, Classical, 4...c5
7. R Hartoch vs G Kool  1-0631963Amsterdam IBM-BC67 Ruy Lopez
8. G Kieninger vs H Crabbendam  1-0561963Amsterdam IBM-BB28 Sicilian, O'Kelly Variation
9. H Ree vs L Rellstab  1-0411963Amsterdam IBM-BC64 Ruy Lopez, Classical
10. G Kool vs G Kieninger  1-0401963Amsterdam IBM-BA44 Old Benoni Defense
11. H Lehmann vs R Hartoch  1-0611963Amsterdam IBM-BC95 Ruy Lopez, Closed, Breyer
12. M Bertok vs H Crabbendam  1-0441963Amsterdam IBM-BE01 Catalan, Closed
13. H Crabbendam vs H Ree  1-0321963Amsterdam IBM-BC64 Ruy Lopez, Classical
14. G Kool vs M Bertok  1-0381963Amsterdam IBM-BE85 King's Indian, Samisch, Orthodox Variation
15. H Ree vs G Kool 1-0391963Amsterdam IBM-BC65 Ruy Lopez, Berlin Defense
16. H Lehmann vs H Ree 1-0361963Amsterdam IBM-BB14 Caro-Kann, Panov-Botvinnik Attack
 page 1 of 1; 16 games  PGN Download 
  REFINE SEARCH:   White wins (1-0) | Black wins (0-1) | Draws (1/2-1/2)  

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