PLAYER PAGE
Jamien Pietersen
104086400ZF Mgcawu (NZF)Personal
Main rating
| Rating | 1359.1 |
| K-factor | 36 |
| Floor | 865.7 |
| Highest | 1365.7 (2021-05-01) |
| Min/Max +/- allowed | 131 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 1007.9 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1359.1 |
| K-factor | 36 |
| Floor | 865.7 |
| Highest | 1365.7 (2021-05-01) |
| Min/Max +/- allowed | 130.9 |
Standard rating
| Rating | 1364.6 |
| K-factor | 36 |
| Floor | 873.5 |
| Highest | 1373.5 (2021-05-01) |
| Min/Max +/- allowed | 129.5 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 1007.9 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1364.6 |
| K-factor | 36 |
| Floor | 873.5 |
| Highest | 1373.5 (2021-05-01) |
| Min/Max +/- allowed | 129.5 |
Rapid rating
| Rating | 530.4 |
| K-factor | 40 |
| Floor | 500 |
| Highest | 1200 (2024-02-01) |
| Min/Max +/- allowed | 165.8 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 0 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 530.4 |
| K-factor | 40 |
| Floor | 500 |
| Highest | 1200 (2024-02-01) |
| Min/Max +/- allowed | 165.8 |
Blitz rating
| Rating | 530.4 |
| K-factor | 40 |
| Floor | 500 |
| Highest | 1200 (2024-02-01) |
| Min/Max +/- allowed | 165.8 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 0 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 530.4 |
| K-factor | 40 |
| Floor | 500 |
| Highest | 1200 (2024-02-01) |
| Min/Max +/- allowed | 165.8 |
Rating Graph
Tournaments
| # | Tournament | Type | Start | End | Host | Rounds | Rating | Games | Score | Perform | Rat+/- | Details |
| # | Tournament | Type | Start | End | Host | Rounds | Rating | Games | Score | Perform | Rat+/- | Details |
| 1 | Northern Cape Closed 202 (Adults) | Standard | 2025-08-22 | 2025-08-23 | ZF Mgcawu (NZF) | 5 | 1359.1 | 0 | 0 | 0 | 0 | Details |
| 2 | Spartan Bishops Championships Elite 2025 (Championship) | Standard | 2025-05-23 | 2025-05-25 | Frances Baard (NCF) | 5 | 1357.7 | 4 | 0.5 | 1264.3 | 0 | Details |
| 3 | Pawn Stars Chess Tournament 12 April 2025 (A) | Standard | 2025-04-12 | 2025-04-12 | ZF Mgcawu (NZF) | 5 | 1359.4 | 5 | 2.5 | 1247.5 | 0 | Details |
| 4 | ZFM Chess Championships 2021 (A) | Standard | 2021-09-04 | 2021-09-04 | ZF Mgcawu (NZF) | 5 | 1322.5 | 5 | 4 | 1535.7 | 0 | Details |
| 5 | Pixley Chess Open 2021 (U18-Open) | Standard | 2021-05-15 | 2021-05-15 | Pixley-ka-Seme (NCP) | 5 | 1365.7 | 2 | 0 | 757.3 | 0 | Details |
| 6 | ZFM Freedom Day Tournament 2021 | Standard | 2021-04-27 | 2021-04-27 | ZF Mgcawu (NZF) | 5 | 1318.5 | 4 | 4 | 1648.4 | 0 | Details |
| 7 | Northern Cape Closed Chess Championships 2019 (U10) | Standard | 2019-08-30 | 2019-09-01 | ZF Mgcawu (NZF) | 5 | 1255.7 | 5 | 4 | 1497.3 | 0 | Details |
| 8 | 2019 SA Schools Winter Games (U15 Boys) | Standard | 2019-07-01 | 2019-07-04 | Ethekwini (KED) | 7 | 1263.8 | 7 | 3 | 1230.5 | 0 | Details |
| 9 | Northern Cape Trails 2019 (U15 Boys) | Standard | 2019-06-13 | 2019-06-13 | ZF Mgcawu (NZF) | 5 | 1231.7 | 5 | 4 | 1405.7 | 0 | Details |
| 10 | ZFM School Trials 2019 (U15) | Standard | 2019-04-27 | 2019-04-27 | ZF Mgcawu (NZF) | 5 | 1220.6 | 5 | 3 | 1274.7 | 0 | Details |
| 11 | South African Junior Team Championships 2018 (U16C) | Classical | 2018-12-16 | 2018-12-20 | 4 Knights (4K) | 7 | 1210.5 | 7 | 5 | 1247.9 | 0 | Details |
| 12 | Northern Cape Closed Chess Championships 2018 (U16 Open) | Standard | 2018-08-31 | 2018-09-01 | Frances Baard (NCF) | 5 | 1202.7 | 5 | 2.5 | 1249.6 | 0 | Details |
| 13 | King`s Guard Women`s Day Open Chess Tournament 2018 (A) | Standard | 2018-08-04 | 2018-08-04 | ZF Mgcawu (NZF) | 5 | 1221.8 | 5 | 3 | 1118.1 | 0 | Details |
| 14 | ZF MGCAWU Mandela Centenary Open Chess Tournament 2018 (U16) | Standard | 2018-07-20 | 2018-07-21 | ZF Mgcawu (NZF) | 6 | 1171.4 | 6 | 4.5 | 1374.9 | 0 | Details |
| 15 | NC Provincial Schools Eliminations 2018 (U15 Boys) | Standard | 2018-06-23 | 2018-06-23 | Frances Baard (NCF) | 5 | 1147.8 | 5 | 3.5 | 1268.1 | 0 | Details |
| 16 | Inter Regional 2018 (U16 Team) | Standard | 2018-05-04 | 2018-05-05 | Frances Baard (NCF) | 5 | 931.8 | 4 | 2 | 1005.7 | 0 | Details |
| 17 | ZF Mgcawu Qualifier (2) | Standard | 2018-04-21 | 2018-04-21 | ZF Mgcawu (NZF) | 5 | 873 | 5 | 3.5 | 1182.5 | 0 | Details |
| 18 | ZF Mgcawu Schools District Open Chess Tournament 2018 (U15 Boys) | Standard | 2018-03-17 | 2018-03-17 | ZF Mgcawu (NZF) | 5 | 636 | 5 | 4 | 1333.7 | 0 | Details |
| 19 | ZF Mgcawu Inter-Region Open Trials (Qualifier 2) | Standard | 2018-03-24 | 2018-03-24 | ZF Mgcawu (NZF) | 5 | 636 | 5 | 4 | 1323.7 | 0 | Details |
| 20 | ZF Mgcawu Qualifier Open Chess Tournament 2018 (B) | Standard | 2018-02-17 | 2018-02-17 | ZF Mgcawu (NZF) | 5 | 530.4 | 5 | 4 | 1136.3 | 0 | Details |
| 21 | Northern Cape Schools Trials 2017 (U15 Boys) | Standard | 2017-06-03 | 2017-06-03 | Northern Cape (NC) | 5 | 500 | 5 | 2 | 603 | 0 | Details |
| 22 | Northern Cape Inter-Provincial Trials 2017 (U14) | Standard | 2017-03-31 | 2017-04-01 | Northern Cape (NC) | 6 | 500 | 6 | 4 | 847 | 0 | Details |
| 23 | Zf Mgcawu Open Tournament 2017 | Standard | 2017-02-04 | 2017-02-04 | Northern Cape (NC) | 5 | 500 | 5 | 2 | 544 | 0 | Details |
Game statistics ( )
| Games | 0 |
| Wins | 0 |
| Draws | 0 |
| Losses | 0 |
| White | 0 |
| Black | 0 |
| White wins | 0 |
| Black wins | 0 |
| Score | 0 |
| Percent | 0 |
| Dp | 0 |
| AOR | 0 |
| Performance | 0 |
Game statistics ()
| Games | 0 |
| Wins | 0 |
| Draws | 0 |
| Losses | 0 |
| White | 0 |
| Black | 0 |
| White wins | 0 |
| Black wins | 0 |
| Score | 0 |
| Percent | 0 |
| Dp | 0 |
| AOR | 0 |
| Performance | 0 |
Game statistics (History)
| Games | 94 |
| Wins | 54 |
| Draws | 14 |
| Losses | 26 |
| White | 48 |
| Black | 46 |
| White wins | 29 |
| Black wins | 25 |
| Score | 61 |
| Percent | 64.9 |
| Dp | 126.6 |
| AOR | 1156.9 |
| Performance | 1283.5 |
Rankings (Main)
| National | |
| Overall | -1 |
| Gender | -1 |
| Age group | -1 |
| Gender/Age | -1 |
| Provincial | |
| Overall | -1 |
| Gender | -1 |
| Age group | -1 |
| Gender/Age | -1 |
| Regional | |
| Overall | -1 |
| Gender | -1 |
| Age group | -1 |
| Gender/Age | -1 |
Rankings (Standard)
| National | |
| Overall | -1 |
| Gender | -1 |
| Age group | -1 |
| Gender/Age | -1 |
| Provincial | |
| Overall | -1 |
| Gender | -1 |
| Age group | -1 |
| Gender/Age | -1 |
| Regional | |
| Overall | -1 |
| Gender | -1 |
| Age group | -1 |
| Gender/Age | -1 |
Rankings (Rapid)
| National | |
| Overall | -1 |
| Gender | -1 |
| Age group | -1 |
| Gender/Age | -1 |
| Provincial | |
| Overall | -1 |
| Gender | -1 |
| Age group | -1 |
| Gender/Age | -1 |
| Regional | |
| Overall | -1 |
| Gender | -1 |
| Age group | -1 |
| Gender/Age | -1 |
Rankings (Blitz)
| National | |
| Overall | -1 |
| Gender | -1 |
| Age group | -1 |
| Gender/Age | -1 |
| Provincial | |
| Overall | -1 |
| Gender | -1 |
| Age group | -1 |
| Gender/Age | -1 |
| Regional | |
| Overall | -1 |
| Gender | -1 |
| Age group | -1 |
| Gender/Age | -1 |
Performance ( )
| Games | 0 |
| Score | 0 |
| Percent | 0 |
| Aor | 0 |
| Dp | 0 |
| Prat | 0 |
Performance ()
| Games | 0 |
| Score | 0 |
| Percent | 0 |
| Aor | 0 |
| Dp | 0 |
| Prat | 0 |
Performance (12 months)
| Games | 9 |
| Score | 3 |
| Percent | 33.3 |
| Aor | 1396.7 |
| Dp | -141.7 |
| Prat | 1255 |
Performance (History)
| Games | 94 |
| Score | 61 |
| Percent | 64.9 |
| Aor | 1156.9 |
| Dp | 126.6 |
| Prat | 1283.5 |
Top 5 opponents most often played
| Type | # | Opponent | Games | White | Black | First tournament | Last tournament | Details |
| Overall | 1 | Booysen, V (Vuyani) | 5 | 1 | 4 | ZFM School Trials 2019 (U15) | Spartan Bishops Championships Elite 2025 (Championship) | Details |
| Overall | 2 | Mienies, R (Rewaldo) | 5 | 0 | 5 | ZF Mgcawu Schools District Open Chess Tournament 2018 (U15 Boys) | Northern Cape Closed Chess Championships 2019 (U10) | Details |
| Overall | 3 | Bezuidenhout, H (Hilton) | 4 | 2 | 2 | ZF Mgcawu Schools District Open Chess Tournament 2018 (U15 Boys) | King`s Guard Women`s Day Open Chess Tournament 2018 (A) | Details |
| Overall | 4 | West, W (William) | 2 | 2 | 0 | ZF Mgcawu Qualifier Open Chess Tournament 2018 (B) | King`s Guard Women`s Day Open Chess Tournament 2018 (A) | Details |
| Overall | 5 | Kegakilwe, I (Itumeleng) | 2 | 2 | 0 | ZF Mgcawu Schools District Open Chess Tournament 2018 (U15 Boys) | NC Provincial Schools Eliminations 2018 (U15 Boys) | Details |
| Standard | 1 | Booysen, V (Vuyani) | 5 | 1 | 4 | ZFM School Trials 2019 (U15) | Spartan Bishops Championships Elite 2025 (Championship) | Details |
| Standard | 2 | Mienies, R (Rewaldo) | 5 | 0 | 5 | ZF Mgcawu Schools District Open Chess Tournament 2018 (U15 Boys) | Northern Cape Closed Chess Championships 2019 (U10) | Details |
| Standard | 3 | Bezuidenhout, H (Hilton) | 4 | 2 | 2 | ZF Mgcawu Schools District Open Chess Tournament 2018 (U15 Boys) | King`s Guard Women`s Day Open Chess Tournament 2018 (A) | Details |
| Standard | 4 | West, W (William) | 2 | 2 | 0 | ZF Mgcawu Qualifier Open Chess Tournament 2018 (B) | King`s Guard Women`s Day Open Chess Tournament 2018 (A) | Details |
| Standard | 5 | Jooste, W (Waylin) | 2 | 1 | 1 | ZFM School Trials 2019 (U15) | ZFM Chess Championships 2021 (A) | Details |