| 70626 | Palamarchuk - Tkac | 0-1 | 7th of September 2013 15:59:19 | (chess) | rated |
| 70631 | Tkac - Vezzani | 1-0 | 9th of July 2013 19:05:43 | (chess) | rated |
| 70635 | Nenciulescu - Tkac | 1/2-1/2 | 8th of March 2013 13:05:07 | (chess) | rated |
| 70639 | Tkac - Flores | 1/2-1/2 | 23rd of May 2013 23:51:18 | (chess) | rated |
| 70640 | Yarkov - Tkac | 0-1 | 14th of May 2013 10:42:01 | (chess) | rated |
| 70641 | Tkac - Huerga | 1/2-1/2 | 6th of April 2013 01:12:43 | (chess) | rated |
| 71166 | Tkac - Palamarchuk | 1/2-1/2 | 28th of July 2013 18:03:04 | (chess) | rated |
| 71171 | Moscoso - Tkac | 0-1 | 27th of February 2014 00:42:41 | (chess) | rated |
| 71176 | Tkac - Carrizo | 1-0 | 9th of September 2013 13:29:56 | (chess) | rated |
| 71177 | Oortwijn - Tkac | 1/2-1/2 | 19th of March 2013 09:38:55 | (chess) | rated |
| 71178 | Tkac - Domingo | 1-0 | 14th of December 2013 18:25:12 | (chess) | rated |
| 71179 | Wilson - Tkac | 1/2-1/2 | 27th of April 2013 10:51:12 | (chess) | rated |
| 72410 | Hallqvist - Tkac | 0-1 | 30th of April 2014 08:42:17 | (chess) | rated |
| 72415 | Tkac - Skinner | 1/2-1/2 | 11th of November 2013 13:56:00 | (chess) | rated |
| 72419 | James - Tkac | 0-1 | 1st of June 2014 21:16:53 | (chess) | rated |
| 72423 | Tkac - Meli | 1/2-1/2 | 11th of August 2013 19:01:23 | (chess) | rated |
| 72424 | Tatiana - Tkac | 1/2-1/2 | 9th of August 2013 12:23:44 | (chess) | rated |
| 72425 | Tkac - Comes | 1/2-1/2 | 11th of January 2014 20:37:10 | (chess) | rated |
| 78890 | Tkac - Fabris | 1-0 | 12th of April 2014 08:38:36 | (chess) | rated |
| 78891 | Hamby - Tkac | 1-0 | 20th of June 2014 18:30:00 | (chess) | rated |
| 78892 | Tkac - Schiller | 1-0 | 18th of May 2014 19:52:07 | (chess) | rated |
| 78893 | Duenas - Tkac | 0-1 | 21st of March 2014 22:23:20 | (chess) | rated |
| 78894 | Tkac - Hrubaru | 1-0 | 28th of April 2014 20:37:54 | (chess) | rated |
| 78895 | Hilbert - Tkac | 0-1 | 21st of March 2014 21:11:48 | (chess) | rated |
| 78896 | Tkac - Pech | 1-0 | 7th of October 2014 19:16:53 | (chess) | rated |
| 78897 | Bromo - Tkac | 0-1 | 5th of April 2014 06:54:31 | (chess) | rated |
| 81111 | Clement - Tkac | 1-0 | 13th of November 2014 10:40:41 | (chess) | rated |
| 81116 | Tkac - Larwinski | 0-1 | 24th of November 2014 23:40:08 | (chess) | rated |
| 81120 | Simmelink - Tkac | 1-0 | 17th of December 2014 14:03:40 | (chess) | rated |
| 81124 | Tkac - Grammatica | 0-1 | 15th of November 2014 10:47:55 | (chess) | rated |
| 81125 | Soszynski - Tkac | 1-0 | 12th of November 2014 10:34:50 | (chess) | rated |
| 81126 | Tkac - Proietti | 0-1 | 2nd of December 2014 00:24:38 | (chess) | rated |
| 83929 | Tkac - Burden | 0-1 | 5th of March 2015 00:27:02 | (chess) | rated |
| 83932 | Gazi - Tkac | 1-0 | 20th of March 2015 02:22:08 | (chess) | rated |
| 83935 | Tkac - Moormann | 0-1 | 19th of February 2015 07:51:38 | (chess) | rated |
| 83936 | Kukula - Tkac | 1-0 | 4th of March 2015 00:16:55 | (chess) | rated |
| 86358 | Tkac - Lubas | 1-0 | 12th of July 2015 04:18:31 | (chess) | rated |
| 86363 | Stevenson - Tkac | 0-1 | 22nd of July 2015 00:21:09 | (chess) | rated |
| 86367 | Tkac - Firhansyah | 1-0 | 3rd of September 2015 10:20:30 | (chess) | rated |
| 86370 | Bartsch - Tkac | 1/2-1/2 | 29th of June 2015 15:25:37 | (chess) | rated |
| 86372 | Tkac - Dyson | 1-0 | 26th of May 2016 13:46:37 | (chess) | rated |
| 86373 | Ocloz - Tkac | 1/2-1/2 | 1st of June 2015 19:20:42 | (chess) | rated |
| 86927 | Wilson - Tkac | 1/2-1/2 | 10th of August 2015 10:16:09 | (chess) | rated |
| 86933 | Tkac - Dyson | 1-0 | 7th of November 2015 10:56:19 | (chess) | rated |
| 86934 | Lipsits - Tkac | 0-1 | 13th of November 2015 14:48:55 | (chess) | rated |
| 86935 | Tkac - Ellis | 1-0 | 29th of September 2015 00:57:06 | (chess) | rated |
| 86936 | Joubert - Tkac | 0-1 | 18th of August 2015 09:03:20 | (chess) | rated |
| 86937 | Tkac - Pech | 1-0 | 17th of August 2015 21:02:19 | (chess) | rated |
| 93814 | Kuhne - Tkac | 1/2-1/2 | 11th of October 2016 16:55:39 | (chess) | rated |
| 93817 | Tkac - Nichols | 1/2-1/2 | 11th of September 2016 14:48:46 | (chess) | rated |
| 93819 | Helmer - Tkac | 1/2-1/2 | 1st of October 2016 15:57:58 | (chess) | rated |
| 93821 | Tkac - Bartsch | 1-0 | 1st of September 2016 08:22:46 | (chess) | rated |
| 97886 | Kruse - Tkac | 1/2-1/2 | 21st of August 2017 02:47:46 | (chess) | rated |
| 97891 | Tkac - Antonov | 1/2-1/2 | 5th of August 2017 02:23:40 | (chess) | rated |
| 97895 | Domanov - Tkac | 1/2-1/2 | 6th of October 2017 00:53:36 | (chess) | rated |
| 97898 | Tkac - Kulick | 1/2-1/2 | 9th of August 2017 15:59:05 | (chess) | rated |
| 97900 | Cornel - Tkac | 1/2-1/2 | 10th of September 2017 18:54:13 | (chess) | rated |
| 97902 | Tkac - Moormann | 1-0 | 4th of July 2017 23:05:47 | (chess) | rated |
| 99674 | Tkac - Ortiz | 1/2-1/2 | 29th of November 2017 02:21:49 | (chess) | rated |
| 99679 | Jabot - Tkac | 1/2-1/2 | 11th of January 2018 22:03:47 | (chess) | rated |
| 99683 | Tkac - Kireev | 1/2-1/2 | 9th of November 2017 06:12:16 | (chess) | rated |
| 99686 | Fric - Tkac | 1/2-1/2 | 13th of December 2017 11:31:31 | (chess) | rated |
| 99689 | Tkac - Wilson | 1-0 | 27th of November 2017 11:23:19 | (chess) | rated |
| 99690 | Bartsch - Tkac | 1/2-1/2 | 21st of November 2017 10:21:18 | (chess) | rated |
| 103189 | Bergmann - Tkac | 1/2-1/2 | 1st of June 2018 21:45:16 | (chess) | rated |
| 103194 | Tkac - Gray | 1/2-1/2 | 25th of April 2018 06:19:59 | (chess) | rated |
| 103198 | Larwinski - Tkac | 1/2-1/2 | 2nd of April 2018 19:44:14 | (chess) | rated |
| 103201 | Tkac - Hamby | 1-0 | 23rd of May 2018 20:34:37 | (chess) | rated |
| 103203 | Ortiz - Tkac | 1/2-1/2 | 6th of April 2018 08:35:19 | (chess) | rated |
| 103205 | Tkac - Kireev | 1/2-1/2 | 6th of April 2018 19:21:03 | (chess) | rated |
| 111744 | Khanas - Tkac | 1/2-1/2 | 18th of December 2018 22:26:03 | (chess) | rated |
| 111750 | Tkac - Grammatica | 1/2-1/2 | 17th of December 2018 20:04:38 | (chess) | rated |
| 111751 | Drozdovas - Tkac | 1/2-1/2 | 26th of January 2019 14:47:22 | (chess) | rated |
| 111752 | Tkac - Kerr | 1/2-1/2 | 8th of January 2019 02:15:52 | (chess) | rated |
| 111753 | Bakhmatov - Tkac | 1/2-1/2 | 14th of December 2018 02:13:37 | (chess) | rated |
| 111754 | Tkac - Pandey | 1/2-1/2 | 20th of April 2019 12:32:32 | (chess) | rated |
| 117455 | Tkac - Ortiz | 1/2-1/2 | 2nd of September 2019 14:36:20 | (chess) | rated |
| 117460 | Bergmann - Tkac | 1/2-1/2 | 30th of August 2019 06:01:14 | (chess) | rated |
| 117464 | Tkac - Larwinski | 1/2-1/2 | 19th of August 2019 22:41:05 | (chess) | rated |
| 117467 | Grammatica - Tkac | 1/2-1/2 | 28th of October 2019 18:30:18 | (chess) | rated |
| 117470 | Tkac - Aahlad | 1/2-1/2 | 10th of September 2019 02:06:50 | (chess) | rated |
| 117471 | Stephen - Tkac | 1/2-1/2 | 7th of December 2019 01:41:09 | (chess) | rated |
| 117854 | Kireev - Tkac | 1/2-1/2 | 2nd of October 2019 07:00:02 | (chess) | rated |
| 117859 | Tkac - Fric | 1/2-1/2 | 28th of October 2019 19:35:32 | (chess) | rated |
| 117863 | Khanas - Tkac | 0-1 | 2nd of September 2019 11:07:23 | (chess) | rated |
| 117867 | Tkac - Kopasov | 1-0 | 13th of December 2019 16:21:38 | (chess) | rated |
| 117868 | Tambe - Tkac | 1/2-1/2 | 10th of December 2019 20:08:37 | (chess) | rated |
| 117869 | Tkac - Osipov | 1/2-1/2 | 21st of October 2019 11:26:32 | (chess) | rated |
| 122454 | Kireev - Tkac | 1/2-1/2 | 12th of April 2020 23:01:41 | (chess) | rated |
| 122461 | Tkac - Boehme | 0-1 | 15th of June 2020 17:01:45 | (chess) | rated |
| 122467 | Massimini Gerbino - Tkac | 1/2-1/2 | 23rd of July 2020 22:15:58 | (chess) | rated |
| 122472 | Tkac - Markus | 1/2-1/2 | 27th of May 2020 22:02:39 | (chess) | rated |
| 122476 | Fric - Tkac | 1/2-1/2 | 1st of June 2020 07:51:44 | (chess) | rated |
| 122480 | Tkac - Schmidt | 1-0 | 14th of June 2020 17:57:27 | (chess) | rated |
| 122481 | Schroeder - Tkac | 1/2-1/2 | 25th of April 2020 22:31:39 | (chess) | rated |
| 122482 | Tkac - Gray | 1/2-1/2 | 26th of May 2020 13:35:22 | (chess) | rated |
| 122513 | Tkac - Gazi | 0-1 | 31st of July 2020 22:13:03 | (chess) | rated |
| 122518 | Ludgate - Tkac | 1/2-1/2 | 16th of May 2020 11:51:41 | (chess) | rated |
| 122522 | Tkac - D Agostino | 1/2-1/2 | 27th of June 2020 19:04:27 | (chess) | rated |
| 122525 | Markus - Tkac | 1/2-1/2 | 30th of May 2020 20:26:05 | (chess) | rated |
| 122528 | Tkac - Kerr | 0-1 | 28th of July 2020 19:58:14 | (chess) | rated |
| 122529 | Sorbi - Tkac | 1/2-1/2 | 15th of April 2020 07:19:05 | (chess) | rated |
| 126572 | Massimini Gerbino - Tkac | 1/2-1/2 | 13th of January 2021 00:48:20 | (chess) | rated |
| 126578 | Tkac - Sorbi | 1/2-1/2 | 13th of January 2021 11:32:49 | (chess) | rated |
| 126579 | Frenkel - Tkac | 1/2-1/2 | 20th of December 2020 15:55:57 | (chess) | rated |
| 126580 | Tkac - Duttagupta | 0-1 | 27th of January 2021 15:18:02 | (chess) | rated |
| 126581 | Broekhuizen - Tkac | 1-0 | 9th of February 2021 16:32:31 | (chess) | rated |
| 126582 | Tkac - Faust | 0-1 | 2nd of February 2021 05:23:57 | (chess) | rated |