PLAYER PAGE
Stefan Prins
1100140763Cape Winelands (WCW)Personal
Main rating
| Rating | 1434 |
| K-factor | 32 |
| Floor | 934 |
| Highest | 1434 (2026-08-01) |
| Min/Max +/- allowed | 119 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 1413.2 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1434 |
| K-factor | 32 |
| Floor | 934 |
| Highest | 1434 (2026-08-01) |
| Min/Max +/- allowed | 118.8 |
Standard rating
| Rating | 1357 |
| K-factor | 36 |
| Floor | 867.3 |
| Highest | 1625.2 (2023-02-01) |
| Min/Max +/- allowed | 90.5 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 1273.4 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1357 |
| K-factor | 36 |
| Floor | 867.3 |
| Highest | 1625.2 (2023-02-01) |
| Min/Max +/- allowed | 90.5 |
Rapid rating
| Rating | 1482.6 |
| K-factor | 32 |
| Floor | 982.6 |
| Highest | 1482.6 (2026-08-01) |
| Min/Max +/- allowed | 110.9 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 1464.5 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1482.6 |
| K-factor | 32 |
| Floor | 982.6 |
| Highest | 1482.6 (2026-08-01) |
| Min/Max +/- allowed | 110.9 |
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 | Cape Winelands - Top Schools 2026 (U19 Mix) | Rapid | 2026-07-25 | 2026-07-25 | Cape Winelands (WCW) | 5 | 1344.2 | 5 | 3.5 | 1553.4 | 26.7 | Details |
| 2 | Chess Elevation Series - July 2026 (Level 3) | Rapid | 2026-07-18 | 2026-07-18 | Cape Town (WCT) | 5 | 1344.2 | 5 | 4.5 | 1568.7 | 34.6 | Details |
| 3 | South African Open Championship 2026 (U17 Boys) | Classical | 2026-07-02 | 2026-07-05 | Cape Town (WCT) | 7 | 1344.2 | 7 | 3.5 | 1414.1 | 28.5 | Details |
| 4 | Chess Elevation Series 6 2026 (Level 3) | Rapid | 2026-05-23 | 2026-05-23 | Cape Town (WCT) | 5 | 1321.3 | 5 | 4 | 1467.5 | 22.9 | Details |
| 5 | Cape Winelands Schools - Prestige 2026 (U18 Boys) | Standard | 2026-03-21 | 2026-03-21 | Cape Winelands (WCW) | 5 | 1324 | 5 | 1.5 | 1255.8 | -19.1 | Details |
| 6 | Cape Winelands Open Rapid 2026 (Intermediate) | Rapid | 2026-03-14 | 2026-03-14 | Cape Winelands (WCW) | 6 | 1324 | 6 | 3 | 1214 | -13.1 | Details |
| 7 | Cape Winelands Schools - High School Trials 1 2026 (U18 Boys) | Standard | 2026-02-28 | 2026-02-28 | Cape Winelands | 5 | 1324 | 5 | 4 | 1497.7 | 29.4 | Details |
| 8 | Hoërskool Stellenbosch Graderingstoernooi 2026 (U15+U20) | Rapid | 2026-02-14 | 2026-02-14 | Cape Winelands (WCW) | 5 | 1298.1 | 5 | 5 | 1659.1 | 22.6 | Details |
| 9 | Kraaifontein Open 2025 (Rapid Open) | Rapid | 2025-12-07 | 2025-12-07 | Cape Town (WCT) | 6 | 1301 | 6 | 2 | 1195.2 | -9.7 | Details |
| 10 | Cape Winelands Open 2025 (Intermediate) | Standard | 2025-07-19 | 2025-07-20 | Cape Winelands (WCW) | 6 | 1303.6 | 6 | 3 | 1196.5 | -13.1 | Details |
| 11 | Cape Town Open Chess Festival 2025 (C) | Standard | 2025-03-22 | 2025-03-23 | Cape Town (WCT) | 6 | 1325.6 | 6 | 2.5 | 1200.2 | -16.5 | Details |
| 12 | Cape Winelands Schools Prestige 2025 (U15 Boys) | Standard | 2025-03-08 | 2025-03-08 | Cape Winelands (WCW) | 5 | 1325.6 | 5 | 3 | 1344.7 | 2.7 | Details |
| 13 | Cape Winelands Schools - Trials 1 2025 (U15 Boys) | Standard | 2025-02-08 | 2025-02-08 | Cape Winelands (WCW) | 5 | 1300.1 | 5 | 3 | 1438.4 | 14.1 | Details |
| 14 | 2025 Kraaifontein Open Chess Championships (Advanced) | Standard | 2025-01-04 | 2025-01-05 | Cape Town (WCT) | 6 | 1293.5 | 6 | 2 | 1283.5 | -1.4 | Details |
| 15 | Kingsway Chess Open 2024 (U14) | Rapid | 2024-09-14 | 2024-09-14 | Overberg (WOS) | 6 | 1294.2 | 6 | 4 | 1419.4 | 8.3 | Details |
| 16 | Kleinmond Chess Club Open 2024 (Advanced) | Rapid | 2024-09-07 | 2024-09-07 | Overberg (WOS) | 6 | 1294.2 | 6 | 2 | 1179.3 | -8.7 | Details |
| 17 | South African Open Chess Championship 2024 (C) | Standard | 2024-07-04 | 2024-07-07 | Ethekwini (KED) | 7 | 1289.8 | 7 | 3 | 1302.1 | 2.4 | Details |
| 18 | Steinitz Chess Festival 2024 (Open Rapid) | Rapid | 2024-05-11 | 2024-05-11 | Cape Town (WCT) | 6 | 1308.6 | 6 | 2 | 1184.2 | -10.5 | Details |
| 19 | Strategize to Win 2024 (F) | Standard | 2024-04-13 | 2024-04-14 | Cape Town (WCT) | 5 | 1265.7 | 5 | 4 | 1505.2 | 23.9 | Details |
| 20 | Cape Town Open Chess Championship 2024 (Intermediate) | Standard | 2024-03-16 | 2024-03-17 | Cape Town (WCT) | 6 | 1327.3 | 5 | 0.5 | 964.3 | -36.7 | Details |
| 21 | Cape Winelands Schools - Prestige 2024 (U15 Boys) | Standard | 2024-03-02 | 2024-03-02 | Cape Winelands (WCW) | 5 | 1327.3 | 5 | 3 | 1343.5 | 2.3 | Details |
| 22 | Cape Winelands Schools - HS Trials 1 2024 (U15 Boys) | Rapid | 2024-02-17 | 2024-02-17 | Cape Winelands (WCW) | 6 | 1336.3 | 6 | 3 | 1283.3 | -4.9 | Details |
| 23 | Chas Everitt and MHI Attorneys Rapid 2023 (U14) | Rapid | 2023-11-04 | 2023-11-04 | Cape Town (WCT) | 6 | 1322.3 | 6 | 4 | 1435.7 | 7.8 | Details |
| 24 | Stellenbosch Primary Chess Tournament 2023 (U14) | Rapid | 2023-08-19 | 2023-08-19 | Cape Winelands (WCW) | 6 | 1311.3 | 6 | 4 | 1395.8 | 6.3 | Details |
| 25 | Cape Winelands Open 2023 (U14) | Standard | 2023-07-23 | 2023-07-23 | Cape Winelands (WCW) | 5 | 1228 | 5 | 4.5 | 1688.3 | 46.5 | Details |
| 26 | Rhenish Primary Tournament 2023 (U14) | Rapid | 2023-05-13 | 2023-05-13 | Cape Winelands (WCW) | 6 | 1237.1 | 5 | 2 | 1170.8 | -5.2 | Details |
| 27 | Cape Town Open 2023 (U14) | Rapid | 2023-03-25 | 2023-03-25 | Cape Town (WCT) | 6 | 1248.5 | 5 | 2 | 1148.3 | -6 | Details |
| 28 | Cape Winelands Schools Prestige 2023 (U13 Boys) | Standard | 2023-03-11 | 2023-03-11 | Cape Winelands (WCW) | 5 | 1248.5 | 5 | 2.5 | 1235.6 | -0.5 | Details |
| 29 | Cape Winelands Schools Chess - Trials 1 2023 (U13 Boys) | Standard | 2023-02-18 | 2023-02-18 | Cape Winelands (WCW) | 5 | 1162.8 | 5 | 4 | 1611.1 | 42.8 | Details |
| 30 | Rhenish Primary Tournament 2022 (U14) | Rapid | 2022-05-14 | 2022-05-14 | Cape Winelands (WCW) | 5 | 1200 | 5 | 1 | 931.6 | -18.6 | 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 | 43 |
| Wins | 27 |
| Draws | 4 |
| Losses | 12 |
| White | 22 |
| Black | 21 |
| White wins | 18 |
| Black wins | 9 |
| Score | 29 |
| Percent | 67.4 |
| Dp | 148.3 |
| AOR | 1298.1 |
| Performance | 1446.4 |
Game statistics (History)
| Games | 165 |
| Wins | 86 |
| Draws | 8 |
| Losses | 71 |
| White | 83 |
| Black | 82 |
| White wins | 48 |
| Black wins | 38 |
| Score | 90 |
| Percent | 54.5 |
| Dp | 38.6 |
| AOR | 1293.8 |
| Performance | 1332.5 |
Rankings (Main)
| National | |
| Overall | 2962 |
| Gender | 2533 |
| Age group | 419 |
| Gender/Age | 354 |
| Provincial | |
| Overall | 876 |
| Gender | 722 |
| Age group | 115 |
| Gender/Age | 95 |
| Regional | |
| Overall | 124 |
| Gender | 99 |
| Age group | 25 |
| Gender/Age | 19 |
Rankings (Standard)
| National | |
| Overall | 4039 |
| Gender | 3333 |
| Age group | 631 |
| Gender/Age | 511 |
| Provincial | |
| Overall | 1181 |
| Gender | 922 |
| Age group | 169 |
| Gender/Age | 132 |
| Regional | |
| Overall | 174 |
| Gender | 130 |
| Age group | 29 |
| Gender/Age | 20 |
Rankings (Rapid)
| National | |
| Overall | 492 |
| Gender | 447 |
| Age group | 65 |
| Gender/Age | 61 |
| Provincial | |
| Overall | 224 |
| Gender | 200 |
| Age group | 32 |
| Gender/Age | 30 |
| Regional | |
| Overall | 31 |
| Gender | 25 |
| Age group | 8 |
| Gender/Age | 6 |
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 | 43 |
| Score | 29 |
| Percent | 67.4 |
| Aor | 1298.1 |
| Dp | 148.3 |
| Prat | 1446.4 |
Performance (12 months)
| Games | 49 |
| Score | 31 |
| Percent | 63.3 |
| Aor | 1302.9 |
| Dp | 112.8 |
| Prat | 1415.6 |
Performance (History)
| Games | 165 |
| Score | 90 |
| Percent | 54.5 |
| Aor | 1293.8 |
| Dp | 38.6 |
| Prat | 1332.5 |
Top 5 opponents most often played
| Type | # | Opponent | Games | White | Black | First tournament | Last tournament | Details |
| Overall | 1 | Sobada, A (Anelisa) | 2 | 1 | 1 | Cape Town Open Chess Championship 2024 (Intermediate) | Cape Town Open Chess Festival 2025 (C) | Details |
| Overall | 2 | Small, Q (Quade) | 2 | 2 | 0 | Cape Winelands Schools Chess - Trials 1 2023 (U13 Boys) | Cape Winelands Schools Prestige 2025 (U15 Boys) | Details |
| Overall | 3 | Hagan, T (Tristin) | 2 | 2 | 0 | Strategize to Win 2024 (F) | South African Open Championship 2026 (U17 Boys) | Details |
| Overall | 4 | Toerien, W (William) | 2 | 1 | 1 | Cape Winelands Schools - Trials 1 2025 (U15 Boys) | Cape Winelands Schools Prestige 2025 (U15 Boys) | Details |
| Overall | 5 | Cupido, C (Caylah) | 2 | 1 | 1 | Cape Winelands Open 2023 (U14) | 2025 Kraaifontein Open Chess Championships (Advanced) | Details |
| Standard | 1 | Toerien, W (William) | 2 | 1 | 1 | Cape Winelands Schools - Trials 1 2025 (U15 Boys) | Cape Winelands Schools Prestige 2025 (U15 Boys) | Details |
| Standard | 2 | Small, Q (Quade) | 2 | 2 | 0 | Cape Winelands Schools Chess - Trials 1 2023 (U13 Boys) | Cape Winelands Schools Prestige 2025 (U15 Boys) | Details |
| Standard | 3 | Radloff, H (Hunther) | 2 | 1 | 1 | Cape Winelands Schools Prestige 2023 (U13 Boys) | Cape Winelands Schools - Trials 1 2025 (U15 Boys) | Details |
| Standard | 4 | Sobada, A (Anelisa) | 2 | 1 | 1 | Cape Town Open Chess Championship 2024 (Intermediate) | Cape Town Open Chess Festival 2025 (C) | Details |
| Standard | 5 | Hagan, T (Tristin) | 2 | 2 | 0 | Strategize to Win 2024 (F) | South African Open Championship 2026 (U17 Boys) | Details |
| Rapid | 1 | Strydom, MJ (Matthys Jacobus) | 2 | 2 | 0 | Cape Winelands Schools - HS Trials 1 2024 (U15 Boys) | Cape Winelands - Top Schools 2026 (U19 Mix) | Details |
| Rapid | 2 | Kirthan, V (Vajra) | 2 | 1 | 1 | Cape Town Open 2023 (U14) | Kingsway Chess Open 2024 (U14) | Details |
| Rapid | 3 | Beni, I (Inathi) | 2 | 2 | 0 | Chess Elevation Series 6 2026 (Level 3) | Chess Elevation Series - July 2026 (Level 3) | Details |