PLAYER PAGE
Bryson Petersen
1160150931Eden (WEG)Personal
Main rating
| Rating | 1698.5 |
| K-factor | 28 |
| Floor | 1198.5 |
| Highest | 1698.5 (2026-06-01) |
| Min/Max +/- allowed | 82 |
| Rating Change () | |
| Games | 5 |
| Score | 3.5 |
| We | 4.11 |
| SWe | -0.51 |
| Temp +/- | -14.2 |
| Penalties | 0 |
| Weight perform | 1661.6 |
| Final +/- | -14.2 |
| New Rating () | |
| Rating | 1684.3 |
| K-factor | 28 |
| Floor | 1198.5 |
| Highest | 1698.5 (2026-06-01) |
| Min/Max +/- allowed | 81.5 |
Standard rating
| Rating | 1697.4 |
| K-factor | 28 |
| Floor | 1197.4 |
| Highest | 1697.4 (2026-06-01) |
| Min/Max +/- allowed | 81.6 |
| Rating Change () | |
| Games | 5 |
| Score | 3.5 |
| We | 4.15 |
| SWe | -0.65 |
| Temp +/- | -18.2 |
| Penalties | 0 |
| Weight perform | 1661.6 |
| Final +/- | -18.2 |
| New Rating () | |
| Rating | 1679.2 |
| K-factor | 28 |
| Floor | 1197.4 |
| Highest | 1697.4 (2026-06-01) |
| Min/Max +/- allowed | 81.6 |
Rapid rating
| Rating | 1389 |
| K-factor | 36 |
| Floor | 889 |
| Highest | 1431.4 (2025-11-30) |
| Min/Max +/- allowed | 119.2 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 1485.8 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1389 |
| K-factor | 36 |
| Floor | 889 |
| Highest | 1431.4 (2025-11-30) |
| Min/Max +/- allowed | 119.2 |
Blitz rating
| Rating | 1200 |
| K-factor | 36 |
| Floor | 700 |
| Highest | 1200 (2018-10-01) |
| 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 | 1200 |
| K-factor | 36 |
| Floor | 700 |
| Highest | 1200 (2018-10-01) |
| Min/Max +/- allowed | 165.8 |
Rating Graph
Tournaments
| # | Tournament | Type | Start | End | Host | Rounds | Rating | Games | Score | Perform | Rat+/- | Details |
| 1 | Eden Chess Trials 2 2026 (U12 Boys) | Standard | 2026-05-23 | 2026-05-23 | Eden (WEG) | 5 | 1698.5 | 5 | 3.5 | 1584.4 | -14.2 | Details |
| # | Tournament | Type | Start | End | Host | Rounds | Rating | Games | Score | Perform | Rat+/- | Details |
| 1 | 2026 WCSC PS Individual Championship (U11 Boys) | Standard | 2026-05-16 | 2026-05-17 | Overberg (WOS) | 6 | 1691 | 6 | 4.5 | 1734.7 | 7.5 | Details |
| 2 | Eden Schools Trials 1 2026 (U11 Boys) | Standard | 2026-03-14 | 2026-03-14 | Eden (WEG) | 5 | 1627.6 | 4 | 4 | 1799.7 | 19.1 | Details |
| 3 | George Trials 3 2026 (U11 Boys) | Standard | 2026-02-28 | 2026-02-28 | Eden (WEG) | 5 | 1627.6 | 5 | 4 | 1664.5 | 6.3 | Details |
| 4 | George Trials 2 2026 (U11 Boys) | Standard | 2026-02-14 | 2026-02-14 | Eden (WEG) | 5 | 1604.6 | 5 | 4 | 1689.5 | 7.8 | Details |
| 5 | George Trials 1 2026 (U11 Boys) | Standard | 2026-01-31 | 2026-01-31 | Eden (WEG) | 5 | 1604.6 | 5 | 4 | 1638.7 | 1.6 | Details |
| 6 | 2025 Mzansi Individual Championships (U10 Open) | Classical | 2025-12-17 | 2025-12-20 | Nelson Mandela Bay (ENM) | 6 | 1626.5 | 6 | 4 | 1621.9 | -0.4 | Details |
| 7 | 2025 Mzansi Inter Provincial Team Championships (U10 Combined) | Standard | 2025-12-15 | 2025-12-17 | Nelson Mandela Bay (ENM) | 6 | 1626.5 | 6 | 4 | 1636.1 | 2 | Details |
| 8 | Laerskool George Suid 2025 (Ope) | Rapid | 2025-10-25 | 2025-10-25 | Eden (WEG) | 5 | 1630.3 | 3 | 1.5 | 1303.7 | -9.9 | Details |
| 9 | Voories Skaaktoernooi 2025 (O9) | Rapid | 2025-11-08 | 2025-11-08 | Eden (WEG) | 5 | 1630.3 | 5 | 4.5 | 1725.3 | 6.3 | Details |
| 10 | HCPS Invitational Rapid Tournament 2025 (U9) | Rapid | 2025-10-18 | 2025-10-18 | Eden (WEG) | 6 | 1590.4 | 6 | 6 | 1802.9 | 16.4 | Details |
| 11 | Western Cape Schools - Top Schools 2025 (U9) | Standard | 2025-09-06 | 2025-09-07 | Overberg (WOS) | 6 | 1568.6 | 6 | 4 | 1645.8 | 9.1 | Details |
| 12 | Eden Top Schools 2025 (U9) | Standard | 2025-08-16 | 2025-08-16 | Eden (WEG) | 5 | 1556.8 | 5 | 4 | 1562.6 | 1.5 | Details |
| 13 | George Top Schools 2025 (U9) | Standard | 2025-07-26 | 2025-07-26 | Eden (WEG) | 5 | 1465.5 | 5 | 5 | 1793 | 32.7 | Details |
| 14 | Dennie Chess Rapid Tournament Open 2025 (U9) | Rapid | 2025-05-24 | 2025-05-24 | Eden (WEG) | 5 | 1456.1 | 5 | 4 | 1607.3 | 8 | Details |
| 15 | Western Cape Schools Individual Championship 2025 (U9 Boys) | Standard | 2025-05-17 | 2025-05-18 | Cape Winelands (WCW) | 6 | 1456.1 | 6 | 4 | 1435.5 | -2.2 | Details |
| 16 | Eden Chess Trials 2 2025 (U10) | Standard | 2025-03-15 | 2025-04-12 | Eden (WEG) | 10 | 1495.9 | 10 | 7.5 | 1562.8 | 13.4 | Details |
| 17 | South African Junior Closed Chess Championships 2025 (U10 Open) | Classical | 2025-03-31 | 2025-04-05 | Cape Winelands (WCW) | 9 | 1495.9 | 8 | 3 | 1291.8 | -38.2 | Details |
| 18 | Eden Schools Chess Trials 1 2025 (U9 Boys) | Standard | 2025-03-08 | 2025-03-08 | Eden (WEG) | 5 | 1480.5 | 5 | 4 | 1538.1 | 5.1 | Details |
| 19 | George Schools Chess Trials 3 2025 (U9 Boys) | Standard | 2025-03-01 | 2025-03-01 | Eden (WEG) | 5 | 1480.5 | 5 | 4 | 1516.6 | 4.5 | Details |
| 20 | Eden Rapid 2025 (B) | Rapid | 2025-02-23 | 2025-02-23 | Eden (WEG) | 6 | 1466.9 | 5 | 1.5 | 1135.2 | -23 | Details |
| 21 | Loerie Skaaktoernooi 2025 | Rapid | 2025-02-22 | 2025-02-22 | Eden (WEG) | 5 | 1466.9 | 5 | 2 | 1285.2 | -10.4 | Details |
| 22 | George Schools Chess Trials 2 2025 (U9 Boys) | Standard | 2025-02-15 | 2025-02-15 | Eden (WEG) | 5 | 1466.9 | 4 | 4 | 1727.2 | 20.4 | Details |
| 23 | George Schools Chess Trials 1 2025 (U9 Boys) | Standard | 2025-02-01 | 2025-02-01 | Eden (WEG) | 5 | 1466.9 | 5 | 5 | 1691.3 | 21.4 | Details |
| 24 | George Suid Senior Skaaktoernooi 2024 | Rapid | 2024-10-26 | 2024-10-26 | Eden (WEG) | 5 | 1494.6 | 5 | 2 | 1174.2 | -17.4 | Details |
| 25 | Western Cape Top Schools Championship 2024 (U9 Mixed) | Standard | 2024-08-30 | 2024-09-01 | Eden (WEG) | 6 | 1487.8 | 6 | 5 | 1502.9 | 2 | Details |
| 26 | Eden Top Schools 2024 (U9 Open) | Standard | 2024-08-17 | 2024-08-17 | Eden (WEG) | 5 | 1423 | 4 | 4 | 1627.1 | 17.4 | Details |
| 27 | George Primary Top Schools 2024 (U9) | Standard | 2024-07-20 | 2024-07-20 | Eden (WEG) | 5 | 1391.9 | 5 | 5 | 1580.3 | 19.4 | Details |
| 28 | Eden Open 2024 (D) | Standard | 2024-06-22 | 2024-06-22 | Eden (WEG) | 5 | 1386.1 | 5 | 3 | 1430 | 3.7 | Details |
| 29 | Western Cape PS Individuals Championship 2024 (U9 Boys) | Standard | 2024-05-04 | 2024-05-05 | West Coast (WCU) | 6 | 1416.1 | 6 | 3 | 1254.1 | -18.8 | Details |
| 30 | Eden Chess Trials 2 2024 (U10) | Standard | 2024-04-13 | 2024-04-20 | Eden (WEG) | 10 | 1384.7 | 10 | 6 | 1470.3 | 16.4 | Details |
| 31 | Eden School Chess Trials 1 2024 (U9 Boys) | Standard | 2024-03-09 | 2024-03-09 | Eden (WEG) | 5 | 1282.4 | 5 | 3 | 1321.5 | 4.6 | Details |
| 32 | George Schools Trials 3 2024 (U9 Boys) | Standard | 2024-03-02 | 2024-03-02 | Eden (WEG) | 5 | 1282.4 | 5 | 4 | 1503.9 | 22.2 | Details |
| 33 | George Schools Trials 2 2024 (U9 Boys) | Standard | 2024-02-17 | 2024-02-17 | Eden (WEG) | 5 | 1154.2 | 5 | 4 | 1476.1 | 32 | Details |
| 34 | George Schools Trials 1 2024 (U9 Boys) | Standard | 2024-02-03 | 2024-02-03 | Eden (WEG) | 5 | 1154.2 | 5 | 4 | 1475.7 | 32 | Details |
| 35 | Western Cape Top Schools 2023 (U7 Mixed) | Standard | 2023-09-02 | 2023-09-03 | Cape Winelands (WCW) | 5 | 1169.1 | 5 | 1.5 | 1086.1 | -7.5 | Details |
| 36 | Western Cape PS Individuals 2023 (U7 Boys) | Standard | 2023-05-05 | 2023-05-06 | Cape Town (WCT) | 6 | 1184.4 | 6 | 2.5 | 1118.9 | -7.6 | Details |
| 37 | George Chess Trials 3 2023 (U7 Boys+Girls) | Standard | 2023-02-25 | 2023-02-25 | Eden (WEG) | 5 | 1200 | 5 | 2 | 1112.9 | -7.8 | 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 | 30 |
| Wins | 23 |
| Draws | 2 |
| Losses | 5 |
| White | 15 |
| Black | 15 |
| White wins | 11 |
| Black wins | 12 |
| Score | 24 |
| Percent | 80 |
| Dp | 255 |
| AOR | 1428.1 |
| Performance | 1683.1 |
Game statistics (History)
| Games | 207 |
| Wins | 139 |
| Draws | 12 |
| Losses | 56 |
| White | 100 |
| Black | 107 |
| White wins | 69 |
| Black wins | 70 |
| Score | 145 |
| Percent | 70 |
| Dp | 170.4 |
| AOR | 1330.4 |
| Performance | 1500.8 |
Rankings (Main)
| National | |
| Overall | 553 |
| Gender | 516 |
| Age group | 17 |
| Gender/Age | 15 |
| Provincial | |
| Overall | 173 |
| Gender | 160 |
| Age group | 7 |
| Gender/Age | 7 |
| Regional | |
| Overall | 21 |
| Gender | 20 |
| Age group | 2 |
| Gender/Age | 2 |
Rankings (Standard)
| National | |
| Overall | 519 |
| Gender | 483 |
| Age group | 18 |
| Gender/Age | 16 |
| Provincial | |
| Overall | 158 |
| Gender | 145 |
| Age group | 8 |
| Gender/Age | 8 |
| Regional | |
| Overall | 16 |
| Gender | 15 |
| Age group | 2 |
| Gender/Age | 2 |
Rankings (Rapid)
| National | |
| Overall | 981 |
| Gender | 861 |
| Age group | 112 |
| Gender/Age | 89 |
| Provincial | |
| Overall | 459 |
| Gender | 388 |
| Age group | 61 |
| Gender/Age | 42 |
| Regional | |
| Overall | 53 |
| Gender | 49 |
| Age group | 4 |
| Gender/Age | 4 |
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 | 30 |
| Score | 24 |
| Percent | 80 |
| Aor | 1428.1 |
| Dp | 255 |
| Prat | 1683.1 |
Performance (12 months)
| Games | 72 |
| Score | 57 |
| Percent | 79.2 |
| Aor | 1419.4 |
| Dp | 247.9 |
| Prat | 1667.3 |
Performance (History)
| Games | 207 |
| Score | 145 |
| Percent | 70 |
| Aor | 1330.4 |
| Dp | 170.4 |
| Prat | 1500.8 |
Top 5 opponents most often played
| Type | # | Opponent | Games | White | Black | First tournament | Last tournament | Details |
| Overall | 1 | Rens, B (Beauwin) | 8 | 5 | 3 | Eden Open 2024 (D) | Voories Skaaktoernooi 2025 (O9) | Details |
| Overall | 2 | Vermeulen, E (Elster) | 6 | 2 | 4 | George Schools Chess Trials 2 2025 (U9 Boys) | Voories Skaaktoernooi 2025 (O9) | Details |
| Overall | 3 | Opperman, C (Caden) | 5 | 1 | 4 | George Schools Trials 1 2024 (U9 Boys) | George Trials 1 2026 (U11 Boys) | Details |
| Overall | 4 | Marner, L (Loannes) | 4 | 3 | 1 | George Chess Trials 3 2023 (U7 Boys+Girls) | HCPS Invitational Rapid Tournament 2025 (U9) | Details |
| Overall | 5 | James, W (William) | 4 | 1 | 3 | Eden School Chess Trials 1 2024 (U9 Boys) | George Trials 2 2026 (U11 Boys) | Details |
| Standard | 1 | Opperman, C (Caden) | 5 | 1 | 4 | George Schools Trials 1 2024 (U9 Boys) | George Trials 1 2026 (U11 Boys) | Details |
| Standard | 2 | James, W (William) | 4 | 1 | 3 | Eden School Chess Trials 1 2024 (U9 Boys) | George Trials 2 2026 (U11 Boys) | Details |
| Standard | 3 | Vermeulen, E (Elster) | 4 | 1 | 3 | George Schools Chess Trials 2 2025 (U9 Boys) | George Top Schools 2025 (U9) | Details |
| Standard | 4 | Rens, B (Beauwin) | 4 | 2 | 2 | Eden Open 2024 (D) | Western Cape Schools - Top Schools 2025 (U9) | Details |
| Standard | 5 | Rens, D (Deauwin) | 3 | 2 | 1 | Eden Open 2024 (D) | George Top Schools 2025 (U9) | Details |
| Rapid | 1 | Rens, B (Beauwin) | 4 | 3 | 1 | Loerie Skaaktoernooi 2025 | Voories Skaaktoernooi 2025 (O9) | Details |
| Rapid | 2 | Morris, J (Jaydon) | 2 | 2 | 0 | HCPS Invitational Rapid Tournament 2025 (U9) | Voories Skaaktoernooi 2025 (O9) | Details |
| Rapid | 3 | Vermeulen, E (Elster) | 2 | 1 | 1 | Dennie Chess Rapid Tournament Open 2025 (U9) | Voories Skaaktoernooi 2025 (O9) | Details |