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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; 21 games  PGN Download 
Game  ResultMoves YearEvent/LocaleOpening
1. M Bertok vs G Kieninger  ½-½481963Amsterdam IBM-BA25 English
2. A Dunkelblum vs H Lehmann  ½-½421963Amsterdam IBM-BA40 Queen's Pawn Game
3. G Kieninger vs H Ree  ½-½751963Amsterdam IBM-BC64 Ruy Lopez, Classical
4. M Bertok vs L Rellstab  ½-½201963Amsterdam IBM-BE17 Queen's Indian
5. A Dunkelblum vs G Kieninger  ½-½171963Amsterdam IBM-BD26 Queen's Gambit Accepted
6. M Bertok vs H Ree ½-½601963Amsterdam IBM-BC64 Ruy Lopez, Classical
7. C Zuidema vs A Dunkelblum  ½-½241963Amsterdam IBM-BB18 Caro-Kann, Classical
8. A Dunkelblum vs M Bertok  ½-½241963Amsterdam IBM-BA39 English, Symmetrical, Main line with d4
9. G Kieninger vs H Lehmann  ½-½501963Amsterdam IBM-BB06 Robatsch
10. C Zuidema vs G Kool  ½-½561963Amsterdam IBM-BC67 Ruy Lopez
11. L Rellstab vs R Hartoch  ½-½631963Amsterdam IBM-BC78 Ruy Lopez
12. H Ree vs A Dunkelblum  ½-½271963Amsterdam IBM-BB18 Caro-Kann, Classical
13. A Dunkelblum vs L Rellstab  ½-½241963Amsterdam IBM-BE17 Queen's Indian
14. R Hartoch vs G Kieninger  ½-½191963Amsterdam IBM-BC02 French, Advance
15. M Bertok vs H Lehmann  ½-½231963Amsterdam IBM-BD78 Neo-Grunfeld, 6.O-O c6
16. L Rellstab vs G Kieninger  ½-½221963Amsterdam IBM-BD50 Queen's Gambit Declined
17. C Zuidema vs R Hartoch  ½-½481963Amsterdam IBM-BC78 Ruy Lopez
18. H Crabbendam vs L Rellstab  ½-½401963Amsterdam IBM-BC95 Ruy Lopez, Closed, Breyer
19. R Hartoch vs M Bertok  ½-½561963Amsterdam IBM-BB77 Sicilian, Dragon, Yugoslav Attack
20. G Kieninger vs C Zuidema  ½-½431963Amsterdam IBM-BC28 Vienna Game
21. G Kool vs A Dunkelblum  ½-½251963Amsterdam IBM-BA34 English, Symmetrical
 page 1 of 1; 21 games  PGN Download 
  REFINE SEARCH:   White wins (1-0) | Black wins (0-1) | Draws (1/2-1/2)  

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