| ECO | Opening | Games |
| B26 | Sicilian, closed, 6.Be3 | 7 games |
| C00 | French defence | 1 games |
| B25 | Sicilian, closed | 1 games |
| ECO | Opening | Games |
| B34 | Sicilian, accelerated fianchetto, exchange variation | 2 games |
| B19 | Caro-Kann, classical, 7...Nd7 | 2 games |
| D43 | Queen's Gambit Declined semi-Slav | 1 games |
| B78 | Sicilian, dragon, Yugoslav attack, 10.O-O-O | 1 games |
| White | ELO W | Black | ELO B | Result | Moves | ECO | Date | Tournamet | View |
| Chaparinov, I | Niemandt, A | 1-0 | D43 | 1996 | Wch U10 |  |
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| Balogh, C | 2155 | Niemandt, A | 1-0 | B19 | 1998 | Wch U12 |  |
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| Arngrimsson, D | Niemandt, A | 1-0 | B19 | 1998 | Wch U12 | |
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| Tonoli, B | Niemandt, A | ½-½ | A36 | 2001 | Batatais ol U14 | |
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| Ojeda, J | Niemandt, A | 0-1 | B78 | 2001 | Batatais ol U14 | |
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| Niemandt, A | Mohammadi, A | 2141 | ½-½ | B26 | 2001 | Batatais ol U14 | |
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| Niemandt, A | Choma, E | ½-½ | B26 | 2001 | Batatais ol U14 | |
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| Niemandt, A | Diaz, J | 2011 | 0-1 | B26 | 2001 | Batatais ol U14 | |
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| Niemandt, A | Fernandes, F | 1-0 | B26 | 2001 | Batatais ol U14 | |
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| Niemandt, A | Duong The Anh, | 0-1 | B26 | 2002 | World ol U16 | |
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| Niemandt, A | Lee Choon, K | 1-0 | B26 | 2002 | World ol U16 | |
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| Niemandt, A | Chan, N | 2218 | ½-½ | B26 | 2002 | World ol U16 | |
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| Niemandt, A | Cronan, J | 1-0 | C00 | 2002 | World ol U16 | |
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| Zach Han Kun, L | 2054 | Niemandt, A | ½-½ | E97 | 2002 | World ol U16 | |
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| Niemandt, A | Griffiths, M | 1-0 | B25 | 2002 | World ol U16 | |
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| Anas, N | Niemandt, A | 1-0 | B34 | 2002 | World ol U16 | |
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| Amdouni, Z | Niemandt, A | ½-½ | B34 | 2002 | World ol U16 | |
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| Pok Wern Jian, | 2127 | Niemandt, A | ½-½ | E82 | 2002 | World ol U16 | |