Roger Derichs (Q71308075)
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chess player
Language | Label | Description | Also known as |
---|---|---|---|
English | Roger Derichs |
chess player |
Statements
1 reference
2,330
September 2009
2,330
November 2009
2,314
September 2010
2,314
November 2010
2,303
September 2011
2,303
November 2011
2,301
September 2012
2,301
November 2012
2,301
December 2012
2,301
February 2013
2,306
September 2013
2,304
November 2013
2,316
December 2013
2,332
February 2014
2,329
September 2014
2,336
November 2014
2,333
December 2014
2,336
February 2015
2,317
September 2015
2,307
November 2015
2,294
December 2015
2,300
February 2016
2,295
September 2016
2,295
November 2016
2,295
December 2016
2,295
February 2017
2,295
September 2017
2,295
November 2017
2,295
December 2017
2,295
February 2018
2,295
September 2018
2,295
November 2018
2,295
December 2018
2,311
February 2019
2,311
September 2019
2,311
November 2019
2,311
December 2019
2,286
February 2020
2,286
September 2020
2,286
November 2020
2,286
December 2020
2,286
February 2021