PLAYER PAGE
Jodan Amsterdam
1120137590Cape Winelands (WCW)Personal
Main rating
| Rating | 1428.9 |
| K-factor | 32 |
| Floor | 928.9 |
| Highest | 1428.9 (2025-11-01) |
| Min/Max +/- allowed | 120 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 1326.4 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1428.9 |
| K-factor | 32 |
| Floor | 928.9 |
| Highest | 1428.9 (2025-11-01) |
| Min/Max +/- allowed | 119.7 |
Standard rating
| Rating | 1382.9 |
| K-factor | 36 |
| Floor | 897.6 |
| Highest | 1397.6 (2025-04-01) |
| Min/Max +/- allowed | 125.1 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 1303.1 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1382.9 |
| K-factor | 36 |
| Floor | 897.6 |
| Highest | 1397.6 (2025-04-01) |
| Min/Max +/- allowed | 125.1 |
Rapid rating
| Rating | 1363.3 |
| K-factor | 36 |
| Floor | 863.3 |
| Highest | 1363.3 (2025-11-01) |
| Min/Max +/- allowed | 131.4 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 1288.3 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1363.3 |
| K-factor | 36 |
| Floor | 863.3 |
| Highest | 1363.3 (2025-11-01) |
| Min/Max +/- allowed | 131.4 |
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 |
| # | Tournament | Type | Start | End | Host | Rounds | Rating | Games | Score | Perform | Rat+/- | Details |
| 1 | Worcester Schools Knock-Out 2025 (U13 Boys) | Rapid | 2025-10-18 | 2025-10-18 | Cape Winelands (WCW) | 6 | 1426.6 | 6 | 4 | 1442.4 | 0 | Details |
| 2 | De Villiers PS 2025 (U14+High School Boys) | Rapid | 2025-08-16 | 2025-08-16 | Cape Winelands (WCW) | 5 | 1414.1 | 5 | 4 | 1511.9 | 0 | Details |
| 3 | Western Cape Schools Individual Championship 2025 (U13 Boys) | Standard | 2025-05-17 | 2025-05-18 | Cape Winelands (WCW) | 6 | 1426.9 | 6 | 2.5 | 1358.6 | 0 | Details |
| 4 | Cape Winelands Schools Prestige 2025 (U13 Boys) | Standard | 2025-03-08 | 2025-03-08 | Cape Winelands (WCW) | 5 | 1346.2 | 5 | 4 | 1561.6 | 0 | Details |
| 5 | Cape Winelands Schools - Trials 1 2025 (U13 Boys) | Standard | 2025-02-22 | 2025-02-22 | Cape Winelands (WCW) | 5 | 1315.8 | 5 | 4 | 1467.2 | 0 | Details |
| 6 | Worcester Knock-Out 2024 (U13 Boys) | Rapid | 2024-10-19 | 2024-10-19 | Cape Winelands (WCW) | 6 | 1247.6 | 6 | 4 | 1411.1 | 0 | Details |
| 7 | Strategema Chess October 2024 (U13) | Standard | 2024-10-05 | 2024-10-05 | Cape Winelands (WCW) | 5 | 1247.6 | 5 | 3 | 1502.6 | 0 | Details |
| 8 | De Villiers PS Tournament 2024 (U14) | Standard | 2024-08-17 | 2024-08-17 | Cape Winelands (WCW) | 5 | 1223.7 | 5 | 3 | 1354.7 | 0 | Details |
| 9 | Cape Winelands - Top Schools 2024 (U13 Mixed) | Standard | 2024-07-27 | 2024-07-27 | Cape Winelands (WCW) | 5 | 1264.9 | 5 | 1 | 1024.9 | 0 | Details |
| 10 | Worcester PS League 2024 (U13) | Standard | 2024-04-27 | 2024-04-27 | Cape Winelands (WCW) | 7 | 1205.7 | 6 | 5 | 1485.2 | 0 | Details |
| 11 | Cape Winelands Schools - Prestige 2024 (U13 Boys) | Standard | 2024-03-02 | 2024-03-02 | Cape Winelands (WCW) | 5 | 1208.1 | 5 | 2 | 1191 | 0 | Details |
| 12 | Cape Winelands Schools - PS Trials 1 2024 (U13 Boys) | Rapid | 2024-02-10 | 2024-02-10 | Cape Winelands (WCW) | 6 | 1192.9 | 6 | 3 | 1283.3 | 0 | Details |
| 13 | Worcester Knock-Out 2023 (U11 Boys) | Rapid | 2023-10-14 | 2023-10-14 | Cape Winelands (WCW) | 6 | 1171.7 | 6 | 3.5 | 1299.5 | 0 | Details |
| 14 | Western Cape Top Schools 2023 (U11 Mixed) | Standard | 2023-09-02 | 2023-09-03 | Cape Winelands (WCW) | 6 | 1224.6 | 6 | 0.5 | 977.3 | 0 | Details |
| 15 | CW Top Schools 2023 (U7-U11 Mixed + U11 Girls) | Rapid | 2023-08-26 | 2023-08-26 | Cape Winelands (WCW) | 5 | 1156.8 | 5 | 4.5 | 1620.5 | 0 | Details |
| 16 | Cape Winelands Schools Prestige 2023 (U11 Boys) | Standard | 2023-03-11 | 2023-03-11 | Cape Winelands (WCW) | 5 | 1183.4 | 5 | 1.5 | 1040.2 | 0 | Details |
| 17 | Cape Winelands Schools Chess - Trials 1 2023 (U11 Boys) | Standard | 2023-02-18 | 2023-02-18 | Cape Winelands (WCW) | 5 | 1159.2 | 5 | 2.5 | 1278 | 0 | Details |
| 18 | Worcester Primary School League 2022 (U11) | Standard | 2022-05-21 | 2022-05-21 | Cape Winelands (WCW) | 6 | 1175.5 | 6 | 2.5 | 1106.2 | 0 | Details |
| 19 | Worcester Schools Trials 2022 (U11 Boys) | Rapid | 2022-02-19 | 2022-02-19 | Cape Winelands (WCW) | 5 | 1200 | 4 | 1 | 982.9 | 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 | 102 |
| Wins | 50 |
| Draws | 11 |
| Losses | 41 |
| White | 48 |
| Black | 54 |
| White wins | 27 |
| Black wins | 23 |
| Score | 55.5 |
| Percent | 54.4 |
| Dp | 37.5 |
| AOR | 1275 |
| Performance | 1312.5 |
Rankings (Main)
| National | |
| Overall | 2776 |
| Gender | 2379 |
| Age group | 361 |
| Gender/Age | 285 |
| Provincial | |
| Overall | 833 |
| Gender | 694 |
| Age group | 106 |
| Gender/Age | 83 |
| Regional | |
| Overall | 121 |
| Gender | 93 |
| Age group | 24 |
| Gender/Age | 19 |
Rankings (Standard)
| National | |
| Overall | 3301 |
| Gender | 2777 |
| Age group | 488 |
| Gender/Age | 383 |
| Provincial | |
| Overall | 943 |
| Gender | 757 |
| Age group | 132 |
| Gender/Age | 98 |
| Regional | |
| Overall | 133 |
| Gender | 98 |
| Age group | 24 |
| Gender/Age | 18 |
Rankings (Rapid)
| National | |
| Overall | 1121 |
| Gender | 951 |
| Age group | 217 |
| Gender/Age | 164 |
| Provincial | |
| Overall | 559 |
| Gender | 461 |
| Age group | 108 |
| Gender/Age | 80 |
| Regional | |
| Overall | 78 |
| Gender | 59 |
| Age group | 22 |
| Gender/Age | 17 |
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 | 22 |
| Score | 14.5 |
| Percent | 65.9 |
| Aor | 1327.2 |
| Dp | 135.2 |
| Prat | 1462.4 |
Performance (History)
| Games | 102 |
| Score | 55.5 |
| Percent | 54.4 |
| Aor | 1275 |
| Dp | 37.5 |
| Prat | 1312.5 |
Top 5 opponents most often played
| Type | # | Opponent | Games | White | Black | First tournament | Last tournament | Details |
| Overall | 1 | Brandt, C (Cayden) | 3 | 1 | 2 | De Villiers PS Tournament 2024 (U14) | Worcester Schools Knock-Out 2025 (U13 Boys) | Details |
| Overall | 2 | Le Roux, J (Joss) | 3 | 2 | 1 | Worcester Primary School League 2022 (U11) | Worcester PS League 2024 (U13) | Details |
| Overall | 3 | Mcleod, N (Ney-Shawn) | 3 | 1 | 2 | Worcester Schools Trials 2022 (U11 Boys) | Cape Winelands Schools Prestige 2023 (U11 Boys) | Details |
| Overall | 4 | Cornelius, L (Laythan) | 3 | 1 | 2 | Worcester Knock-Out 2023 (U11 Boys) | Cape Winelands Schools Prestige 2025 (U13 Boys) | Details |
| Overall | 5 | Januarie, L (Lee Roy) | 2 | 0 | 2 | Cape Winelands Schools Chess - Trials 1 2023 (U11 Boys) | Worcester Knock-Out 2024 (U13 Boys) | Details |
| Standard | 1 | Le Roux, J (Joss) | 3 | 2 | 1 | Worcester Primary School League 2022 (U11) | Worcester PS League 2024 (U13) | Details |
| Standard | 2 | Smith, N (Nehe-Mia) | 2 | 1 | 1 | Worcester Primary School League 2022 (U11) | Worcester Primary School League 2022 (U11) | Details |
| Standard | 3 | Mcleod, N (Ney-Shawn) | 2 | 1 | 1 | Cape Winelands Schools Chess - Trials 1 2023 (U11 Boys) | Cape Winelands Schools Prestige 2023 (U11 Boys) | Details |
| Standard | 4 | Cornelius, L (Laythan) | 2 | 1 | 1 | De Villiers PS Tournament 2024 (U14) | Cape Winelands Schools Prestige 2025 (U13 Boys) | Details |
| Standard | 5 | De Villiers, M (Malan) | 2 | 0 | 2 | Cape Winelands Schools Prestige 2023 (U11 Boys) | Cape Winelands Schools - Trials 1 2025 (U13 Boys) | Details |
| Rapid | 1 | Brandt, C (Cayden) | 2 | 0 | 2 | De Villiers PS 2025 (U14+High School Boys) | Worcester Schools Knock-Out 2025 (U13 Boys) | Details |
| Rapid | 2 | Mudau, U (Unarine) | 2 | 0 | 2 | De Villiers PS 2025 (U14+High School Boys) | Worcester Schools Knock-Out 2025 (U13 Boys) | Details |