Player Details
140009 
GM Estrin, Yakov Borisovich
Russia is not a member of ICCF; therefore Yakov Borisovich Estrin is a designated isolated player.
Isolated players are allowed to enter all eligible ICCF tournaments via Direct Entry and to receive all earned titles and awards.
User died on 6/30/1993. (Date is estimated. Death was recorded on 5/15/2024.)
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| 1987 | 7/1/1987 |
GM
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2480 (National)
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| Details |
| 1992 | 7/1/1992 |
GM
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2479
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163
| Details |
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