| 20615 | Piecuch - Robert | 1-0 | 8th of June 2008 23:55:09 | (big_chess) | rated |
| 20620 | Pichelin - Piecuch | 1-0 | 12th of June 2008 12:06:01 | (big_chess) | rated |
| 20625 | Piecuch - Allander | 0-1 | 15th of June 2008 12:17:47 | (big_chess) | rated |
| 20626 | Block - Piecuch | 1-0 | 11th of June 2008 11:59:32 | (big_chess) | rated |
| 20627 | Piecuch - Janse | 0-1 | 10th of June 2008 11:56:58 | (big_chess) | rated |
| 20628 | Lehnhoff - Piecuch | 1-0 | 10th of June 2008 11:56:58 | (big_chess) | rated |
| 20661 | Piecuch - Block | 0-1 | 20th of June 2008 12:49:41 | (chess) | rated |
| 20666 | Kepinski - Piecuch | 1-0 | 20th of June 2008 12:49:41 | (chess) | rated |
| 20670 | Piecuch - Alic | 0-1 | 20th of June 2008 12:49:41 | (chess) | rated |
| 20673 | Selalmazidis - Piecuch | 1-0 | 20th of June 2008 12:49:41 | (chess) | rated |
| 20675 | Piecuch - Sengupta | 0-1 | 20th of June 2008 00:48:51 | (chess) | rated |
| 20676 | Sadhukhan - Piecuch | 1-0 | 22nd of June 2008 00:58:20 | (chess) | rated |
| 20682 | Piecuch - Gounant | 0-1 | 8th of June 2008 23:55:09 | (go) | rated |
| 20687 | Allander - Piecuch | 1-0 | 15th of June 2008 00:15:40 | (go) | rated |
| 20691 | Piecuch - Arias | 0-1 | 8th of June 2008 23:55:09 | (go) | rated |
| 20694 | Grecu - Piecuch | 1-0 | 9th of June 2008 11:55:17 | (go) | rated |
| 20696 | Piecuch - Tallant | 0-1 | 8th of June 2008 23:55:09 | (go) | rated |
| 20697 | Vazovski - Piecuch | 1-0 | 9th of June 2008 23:56:09 | (go) | rated |
| 20933 | Piecuch - Suarez-Moreno | 0-1 | 19th of June 2008 12:43:51 | (go) | rated |
| 20938 | Mariat - Piecuch | 1-0 | 19th of June 2008 12:43:51 | (go) | rated |
| 20943 | Piecuch - Lubeck | 0-1 | 19th of June 2008 12:43:51 | (go) | rated |
| 20944 | Baptista - Piecuch | 1-0 | 19th of June 2008 12:43:51 | (go) | rated |
| 20945 | Piecuch - Schoenfeld | 0-1 | 19th of June 2008 12:43:51 | (go) | rated |
| 20946 | Taylor - Piecuch | 1-0 | 19th of June 2008 12:43:51 | (go) | rated |
| 21062 | Piecuch - Delcaldo | 0-1 | 22nd of June 2008 13:01:29 | (go) | rated |
| 21063 | Bakin - Piecuch | 1-0 | 24th of June 2008 13:17:13 | (go) | rated |
| 21064 | Piecuch - Schoenfeld | 0-1 | 22nd of June 2008 13:01:29 | (go) | rated |
| 21065 | Ould Ahmed - Piecuch | 1-0 | 22nd of June 2008 13:01:29 | (go) | rated |
| 21066 | Piecuch - Ghysens | 0-1 | 22nd of June 2008 13:01:29 | (go) | rated |
| 21067 | Guralivu - Piecuch | 1-0 | 22nd of June 2008 13:01:29 | (go) | rated |
| 63960 | Piecuch - Zivotic | 1-0 | 2nd of April 2012 22:59:41 | (chess) | rated |
| 63965 | Ponting - Piecuch | 0-1 | 4th of April 2012 23:18:31 | (chess) | rated |
| 63969 | Piecuch - Ringsgard | 1-0 | 3rd of April 2012 11:01:07 | (chess) | rated |
| 63972 | Plunkett - Piecuch | 1-0 | 25th of September 2012 08:16:30 | (chess) | rated |
| 63974 | Piecuch - Biryukov | 1-0 | 2nd of April 2012 22:59:41 | (chess) | rated |
| 63975 | Pech - Piecuch | 0-1 | 11th of May 2012 13:00:30 | (chess) | rated |
| 64599 | Piecuch - Valentin | 0-1 | 1st of June 2012 02:56:18 | (chess) | rated |
| 64600 | Ponting - Piecuch | 0-1 | 4th of May 2012 00:46:23 | (chess) | rated |
| 64601 | Piecuch - Price | 1-0 | 20th of May 2012 13:08:00 | (chess) | rated |
| 64602 | Hendricks - Piecuch | 0-1 | 17th of April 2012 05:09:40 | (chess) | rated |
| 64603 | Piecuch - Murray | 1-0 | 9th of June 2012 15:49:29 | (chess) | rated |
| 64604 | Oliveira - Piecuch | 1-0 | 23rd of August 2012 14:13:24 | (chess) | rated |
| 67621 | Piecuch - Bizet | 0-1 | 2nd of November 2012 22:05:43 | (chess) | rated |
| 67626 | O Brien - Piecuch | 1-0 | 11th of November 2012 17:49:21 | (chess) | rated |
| 67630 | Piecuch - Arteau | 0-1 | 31st of October 2012 22:05:35 | (chess) | rated |
| 67633 | Boissier - Piecuch | 1-0 | 30th of October 2012 09:53:28 | (chess) | rated |
| 67636 | Piecuch - Dikant | 0-1 | 27th of October 2012 22:46:45 | (chess) | rated |
| 67637 | von Buttlar - Piecuch | 1-0 | 8th of November 2012 10:24:04 | (chess) | rated |
| 67753 | Piecuch - Plunkett | 0-1 | 6th of November 2012 10:19:40 | (chess) | rated |
| 67754 | Joubert - Piecuch | 1-0 | 11th of November 2012 10:29:04 | (chess) | rated |
| 67755 | Piecuch - Strohmeier | 0-1 | 19th of November 2012 22:52:31 | (chess) | rated |
| 67756 | Pech - Piecuch | 0-1 | 29th of November 2012 23:22:34 | (chess) | rated |
| 67757 | Piecuch - Czekaj | 0-1 | 13th of November 2012 10:30:37 | (chess) | rated |
| 67758 | Robertsi - Piecuch | 0-1 | 28th of November 2012 11:15:04 | (chess) | rated |
| 69669 | Piecuch - Krug | 1-0 | 2nd of February 2013 01:43:02 | (chess) | rated |
| 69674 | Piantadosi - Piecuch | 1-0 | 23rd of January 2013 22:08:06 | (chess) | rated |
| 69679 | Piecuch - Budnar | 0-1 | 23rd of January 2013 12:44:39 | (chess) | rated |
| 69680 | Stoyanov - Piecuch | 1-0 | 14th of January 2013 12:19:42 | (chess) | rated |
| 69681 | Piecuch - Jacobs | 0-1 | 23rd of January 2013 22:06:40 | (chess) | rated |
| 69682 | Satonnet - Piecuch | 1-0 | 14th of January 2013 00:20:02 | (chess) | rated |
| 70096 | Piecuch - Dharma | 1-0 | 9th of December 2012 11:37:41 | (chess) | rated |
| 70119 | Piecuch - Bizet | 0-1 | 25th of May 2013 11:22:00 | (chess) | rated |
| 70124 | Krug - Piecuch | 0-1 | 14th of February 2013 14:46:46 | (chess) | rated |
| 70129 | Piecuch - Lovelace | 1-0 | 22nd of January 2013 12:41:31 | (chess) | rated |
| 70130 | Plunkett - Piecuch | 1-0 | 4th of February 2013 01:46:43 | (chess) | rated |
| 70131 | Piecuch - Pech | 0-1 | 10th of February 2013 11:44:47 | (chess) | rated |
| 70132 | Uzzaman - Piecuch | 1-0 | 23rd of January 2013 21:59:44 | (chess) | rated |
| 70757 | Piecuch - Riha | 0-1 | 27th of May 2013 11:44:01 | (chess) | unrated |
| 70762 | Jabot - Piecuch | 1-0 | 24th of May 2013 23:20:56 | (chess) | unrated |
| 70767 | Piecuch - Pech | 0-1 | 2nd of May 2013 21:46:12 | (chess) | unrated |
| 70768 | Bain - Piecuch | 0-1 | 4th of June 2013 19:35:27 | (chess) | unrated |
| 70769 | Piecuch - Pipac | 1-0 | 10th of April 2013 02:47:08 | (chess) | unrated |
| 70770 | Martinez - Piecuch | 0-1 | 10th of June 2013 00:42:55 | (chess) | unrated |
| 73171 | Piecuch - Bromo | 0-1 | 25th of June 2013 01:52:43 | (go) | rated |
| 73176 | Jorgenson - Piecuch | 1-0 | 4th of July 2013 14:49:20 | (go) | rated |
| 73180 | Piecuch - Huang | 0-1 | 4th of July 2013 02:46:28 | (go) | rated |
| 73183 | Endean - Piecuch | 1-0 | 25th of June 2013 01:52:43 | (go) | rated |
| 73186 | Piecuch - Jankovic | 0-1 | 30th of June 2013 02:23:33 | (go) | rated |
| 73187 | Denisenkov - Piecuch | 1-0 | 25th of June 2013 13:54:28 | (go) | rated |
| 100942 | Bromo - Piecuch | 1-0 | 22nd of January 2018 23:52:41 | (chess) | rated |
| 100948 | Piecuch - Puzanov | 0-1 | 22nd of January 2018 23:52:41 | (chess) | rated |
| 100949 | Goldmund - Piecuch | 1-0 | 22nd of January 2018 23:52:41 | (chess) | rated |
| 100950 | Piecuch - Mathakiya | 0-1 | 22nd of January 2018 23:52:41 | (chess) | rated |
| 100951 | Leurette - Piecuch | 1-0 | 22nd of January 2018 23:52:41 | (chess) | rated |
| 100952 | Piecuch - Lubas | 0-1 | 22nd of January 2018 23:52:41 | (chess) | rated |