Chicago Master challenge 11
Chicago 1989
| Date | Players | Type | Elo Average | Games | Rounds |
| 1989 | 26 | Swiss | 269 | 16 | 5 |
| Name | ELO | Points | ||
| Cohen, Lewis | 1.5 | |||
| Jochim, G. | 1.5 | |||
| Karklins, Eric | 1.5 | |||
|
FM Chow, Albert | 2360 | 1.0 | |
|
FM Pelts, Peter | 2295 | 1.0 | |
|
FM Cunningham, Robin | 1.0 | ||
| Wulatin, D. | 1.0 | |||
|
Umezinwa, George | 1.0 | ||
| Reppert, V. | 1.0 | |||
| Wachtel, Howard | 1.0 | |||
| Bungo, G. | 1.0 | |||
| Martinovsky, Eugene | 2335 | 0.5 | ||
| Bondari, S. | 0.5 | |||
| Gurnaney, A. | 0.5 | |||
| Race, T. | 0.5 | |||
| Splinter, Joe | 0.5 | |||
 |
Acosta, Mariano | 0.5 | ||
| Smythe, B. | 0.5 | |||
| Sefcheck, Mark M | 0.0 | |||
| Forbis, R. | 0.0 | |||
| Harris, T. | 0.0 | |||
| Wallach, C. | 0.0 | |||
| Gazmen, Ethelbert | 0.0 | |||
| Dunworth, Christopher | 0.0 | |||
| Yakich, R. | 0.0 | |||
| Eaton, J. | 0.0 | |||
| Name | ELO | Points | ||
| Cohen, Lewis | 1.5 | |||
| Jochim, G. | 1.5 | |||
| Karklins, Eric | 1.5 | |||
|
FM Chow, Albert | 2360 | 1.0 | |
|
FM Pelts, Peter | 2295 | 1.0 | |
|
FM Cunningham, Robin | 1.0 | ||
| Wulatin, D. | 1.0 | |||
|
Umezinwa, George | 1.0 | ||
| Reppert, V. | 1.0 | |||
| Wachtel, Howard | 1.0 | |||
| Bungo, G. | 1.0 | |||
| Martinovsky, Eugene | 2335 | 0.5 | ||
| Bondari, S. | 0.5 | |||
| Gurnaney, A. | 0.5 | |||
| Race, T. | 0.5 | |||
| Splinter, Joe | 0.5 | |||
|
Acosta, Mariano | 0.5 | ||
| Smythe, B. | 0.5 | |||
| Sefcheck, Mark M | 0.0 | |||
| Forbis, R. | 0.0 | |||
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Chicago Master challenge 11 Games
| White | Black | Result | Round | Date | Opening | View |
| Chow, A | Pelts, P | 1-0  |
? | 1989 | D06 Queen's Gambit |   |
| Dunworth, C | Wachtel, H | 0-1 |
? | 1989 | A45 Queen's pawn game |   |
| Forbis, R | Bungo, G | 0-1 |
? | 1989 | A43 Old Benoni defence | |
| Gazmen, E | Pelts, P | 0-1 |
? | 1989 | A70 Benoni, classical with e4 and Nf3 | |
| Gurnaney, A | Jochim, G | ½-½ |
? | 1989 | B98 Sicilian, Najdorf, 7...Be7 | |
| Jochim, G | Eaton, J | 1-0 |
? | 1989 | C07 French, Tarrasch, open variation | |
| Karklins, E | Cohen, L | ½-½ |
? | 1989 | C13 French, classical | |
| Martinovsky, E | Bondari, S | ½-½ |
? | 1989 | C00 French defence | |
| Sefcheck, M | Karklins, E | 0-1 |
? | 1989 | D20 Queen's gambit accepted | |
| Smythe, B | Acosta, M | ½-½ |
? | 1989 | D35 Queen's Gambit Declined, 3...Nf6 | |
| Splinter, J | Race, T | ½-½ |
? | 1989 | A03 Bird's opening | |
| Umezinwa, G | Harris, T | 1-0 |
? | 1989 | A72 Benoni, classical without 9.O-O | |
| Wallach, C | Cohen, L | 0-1 |
? | 1989 | C13 French, classical | |
| Wulatin, D | Cunningham, R | 0-1 |
? | 1989 | C06 French, Tarrasch, closed variation, main line | |
| Wulatin, D | Gazmen, E | 1-0 |
? | 1989 | B06 Robatsch (modern) defence | |
| Yakich, R | Reppert, V | 0-1 |
? | 1989 | B72 Sicilian, dragon, 6.Be3 | |