PLAYER PAGE
Kean Weidemann
1170300027Bojanala Platina (NBR)Personal
Main rating
| Rating | 1406.6 |
| K-factor | 32 |
| Floor | 957.5 |
| Highest | 1457.5 (2026-02-01) |
| Min/Max +/- allowed | 115 |
| Rating Change () | |
| Games | 6 |
| Score | 6 |
| We | 3.38 |
| SWe | 2.17 |
| Temp +/- | 69.5 |
| Penalties | 0 |
| Weight perform | 1488.6 |
| Final +/- | +82 |
| New Rating () | |
| Rating | 1488.6 |
| K-factor | 32 |
| Floor | 988.6 |
| Highest | 1488.6 (2026-10-01) |
| Min/Max +/- allowed | 109.9 |
Standard rating
| Rating | 1409 |
| K-factor | 32 |
| Floor | 951.2 |
| Highest | 1451.2 (2026-02-01) |
| Min/Max +/- allowed | 115.9 |
| Rating Change () | |
| Games | 6 |
| Score | 6 |
| We | 3.35 |
| SWe | 2.65 |
| Temp +/- | 84.8 |
| Penalties | 0 |
| Weight perform | 1496.9 |
| Final +/- | +88 |
| New Rating () | |
| Rating | 1496.9 |
| K-factor | 32 |
| Floor | 996.9 |
| Highest | 1496.9 (2026-10-01) |
| Min/Max +/- allowed | 108.6 |
Rapid rating
| Rating | 1252.2 |
| K-factor | 36 |
| Floor | 752.2 |
| Highest | 1252.2 (2026-04-01) |
| Min/Max +/- allowed | 153.9 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 0 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1252.2 |
| K-factor | 36 |
| Floor | 752.2 |
| Highest | 1252.2 (2026-04-01) |
| Min/Max +/- allowed | 153.9 |
Blitz rating
| Rating | 1200 |
| K-factor | 36 |
| Floor | 700 |
| Highest | 1200 (2024-03-01) |
| 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 (2024-03-01) |
| Min/Max +/- allowed | 165.8 |
Rating Graph
Tournaments
| # | Tournament | Type | Start | End | Host | Rounds | Rating | Games | Score | Perform | Rat+/- | Details |
| 1 | Bojanala's Circuit Champs 3 of 4 2026 (U10) | Standard | 2026-10-03 | 2026-10-03 | Bojanala Platina (NBR) | 7 | 1406.6 | 6 | 6 | 1776.7 | 69.5 | Details |
| # | Tournament | Type | Start | End | Host | Rounds | Rating | Games | Score | Perform | Rat+/- | Details |
| 1 | 2026 Bojanala's Rooi Masjien 2.0 (Center Pawns) | Standard | 2026-08-22 | 2026-08-22 | Bojanala Platina (NBR) | 5 | 1406.6 | 5 | 3 | 1380.4 | -0.5 | Details |
| 2 | Bojanala's Die Rooi Masjien 2026 (Center Pawns) | Standard | 2026-06-06 | 2026-06-06 | Bojanala Platina (NBR) | 5 | 1405.5 | 5 | 3 | 1422.2 | 1.6 | Details |
| 3 | Robday Chess Tournament 2026 (U10) | Rapid | 2026-04-25 | 2026-04-25 | Bojanala Platina (NBR) | 5 | 1423 | 5 | 3 | 1420.9 | -1 | Details |
| 4 | Bojanala's Schoemies Open 2026 (Center Pawns) | Standard | 2026-04-18 | 2026-04-18 | Bojanala Platina (NBR) | 5 | 1423 | 5 | 3.5 | 1511.4 | 12.8 | Details |
| 5 | South African Junior Closed Chess Championship 2026 (U10 Open) | Classical | 2026-03-28 | 2026-04-02 | Bojanala Platina (NBR) | 9 | 1423 | 9 | 3.5 | 1332.5 | -29.4 | Details |
| 6 | Bojanala's Battle Of Mount Cambridge 2026 (Center Pawns) | Standard | 2026-03-21 | 2026-03-21 | Bojanala Platina (NBR) | 5 | 1419.2 | 5 | 3.5 | 1449.2 | 3.8 | Details |
| 7 | Bojanala's Grenville Open 2026 (Center Pawns) | Standard | 2026-02-21 | 2026-02-21 | Bojanala Platina (NBR) | 5 | 1457.5 | 5 | 3.5 | 1443.1 | -0.3 | Details |
| 8 | Bojanala Closed Chess Championships 2026 (U10) | Classical | 2026-02-13 | 2026-02-15 | Bojanala Platina (NBR) | 5 | 1457.5 | 5 | 1 | 1251.1 | -23.6 | Details |
| 9 | Bojanala Wildcard Chess Championships 2026 (U10) | Standard | 2026-01-24 | 2026-01-24 | Bojanala Platina (NBR) | 5 | 1451.7 | 5 | 3 | 1481.6 | 1.5 | Details |
| 10 | 2025 Mzansi Individual Championships (U10 Open) | Classical | 2025-12-17 | 2025-12-20 | Nelson Mandela Bay (ENM) | 6 | 1433.5 | 6 | 2.5 | 1308.5 | -17.6 | Details |
| 11 | 2025 Mzansi Inter Provincial Team Championships (U10 Combined) | Standard | 2025-12-15 | 2025-12-17 | Nelson Mandela Bay (ENM) | 6 | 1433.5 | 6 | 4.5 | 1559.7 | 13.4 | Details |
| 12 | Bojanala's Merry ChessMas 2025 (Big Pawns) | Standard | 2025-11-29 | 2025-11-29 | Bojanala Platina (NBR) | 5 | 1433.5 | 5 | 4 | 1597.4 | 15.4 | Details |
| 13 | Bojanala's FIDE On The Orion Express 2025 (Little Pawns) | Classical | 2025-10-04 | 2025-10-05 | Bojanala Platina (NBR) | 7 | 1413.8 | 7 | 4 | 1483.7 | 12.4 | Details |
| 14 | Bojanala's Clash Of Schools -Primary Schools 2025 (U9) | Rapid | 2025-07-26 | 2025-07-26 | Bojanala Platina (NBR) | 5 | 1398.5 | 5 | 3 | 1522.1 | 9.5 | Details |
| 15 | Spartan Bishops Championships Elite 2025 (U10) | Standard | 2025-05-23 | 2025-05-23 | Frances Baard (NCF) | 5 | 1409.3 | 5 | 3 | 1346.1 | -6.7 | Details |
| 16 | Bojanala's Rosewood Easter Open 2025 (Center Pawns) | Standard | 2025-04-19 | 2025-04-19 | Bojanala Platina (NBR) | 5 | 1387.9 | 5 | 4 | 1531.2 | 13.4 | Details |
| 17 | Bojanala's Battle In The Kloof 2025 (Center Pawns) | Standard | 2025-02-15 | 2025-02-15 | Bojanala Platina (NBR) | 5 | 1414.2 | 5 | 3.5 | 1388.2 | -3 | Details |
| 18 | Bojanala Closed Chess Championships 2025 (U8) | Classical | 2025-01-31 | 2025-02-02 | Bojanala Platina (NBR) | 5 | 1414.2 | 5 | 2 | 1282.6 | -16.2 | Details |
| 19 | Bojanala Wildcard 2025 (Big Pawns) | Standard | 2025-01-25 | 2025-01-25 | Bojanala Platina (NBR) | 5 | 1339.8 | 5 | 5 | 1611.6 | 26.1 | Details |
| 20 | Bojanala's Brink Of Activity 2024 (Big Pawns) | Standard | 2024-11-30 | 2024-11-30 | Bojanala Platina (NBR) | 5 | 1326.1 | 5 | 3 | 1355.8 | 3.7 | Details |
| 21 | Bojanala's Battle In The Kloof 2024 (Big Pawns) | Standard | 2024-09-21 | 2024-09-21 | Bojanala Platina (NBR) | 5 | 1236 | 5 | 4 | 1506.1 | 25.7 | Details |
| 22 | Bojanala Circuit Championships 3 of 4 2024 (U8) | Standard | 2024-09-14 | 2024-09-14 | Bojanala Platina (NBR) | 5 | 1236 | 5 | 3 | 1224.6 | -0.2 | Details |
| 23 | Bojanala's FIDE In The Sparkling Waters 2024 (Young Junior Champs) | Classical | 2024-08-17 | 2024-08-17 | Bojanala Platina (NBR) | 5 | 1214.1 | 5 | 3 | 1299 | 9.2 | Details |
| 24 | Bojanala's Clash Of Schools 2024 (U9) | Standard | 2024-07-20 | 2024-07-20 | Bojanala Platina (NBR) | 5 | 1178.8 | 4 | 3 | 1428.9 | 19.6 | Details |
| 25 | Bojanala Circuit Championship 2 of 4 2024 (U8) | Standard | 2024-06-15 | 2024-06-15 | Bojanala Platina (NBR) | 5 | 1230.8 | 5 | 1 | 927.6 | -28.9 | Details |
| 26 | Bojanala's Rating Express 2024 (Big Pawns) | Standard | 2024-04-06 | 2024-04-06 | Bojanala Platina (NBR) | 7 | 1188 | 6 | 4 | 1372.8 | 21.4 | Details |
| 27 | Bojanala Silwerrand's Rating Implosion 2024 (Big Pawns) | Standard | 2024-03-16 | 2024-03-16 | Bojanala Platina (NBR) | 5 | 1200 | 5 | 3 | 1201.1 | -0.5 | Details |
| 28 | Schoemies' Kings & Queens 2024 (Big Pawns) | Standard | 2024-03-02 | 2024-03-02 | Bojanala Platina (NBR) | 6 | 1200 | 6 | 3.5 | 1151.4 | -5.5 | Details |
Game statistics ( )
| Games | 6 |
| Wins | 6 |
| Draws | 0 |
| Losses | 0 |
| White | 3 |
| Black | 3 |
| White wins | 3 |
| Black wins | 3 |
| Score | 6 |
| Percent | 100 |
| Dp | 425 |
| AOR | 1351.7 |
| Performance | 1776.7 |
Game statistics ()
| Games | 55 |
| Wins | 31 |
| Draws | 4 |
| Losses | 20 |
| White | 28 |
| Black | 27 |
| White wins | 13 |
| Black wins | 18 |
| Score | 33 |
| Percent | 60 |
| Dp | 85 |
| AOR | 1359.6 |
| Performance | 1444.6 |
Game statistics (History)
| Games | 155 |
| Wins | 90 |
| Draws | 12 |
| Losses | 53 |
| White | 82 |
| Black | 73 |
| White wins | 45 |
| Black wins | 45 |
| Score | 96 |
| Percent | 61.9 |
| Dp | 101.5 |
| AOR | 1297.7 |
| Performance | 1399.2 |
Rankings (Main)
| National | |
| Overall | 3467 |
| Gender | 2939 |
| Age group | 154 |
| Gender/Age | 124 |
| Provincial | |
| Overall | 216 |
| Gender | 188 |
| Age group | 14 |
| Gender/Age | 13 |
| Regional | |
| Overall | 150 |
| Gender | 125 |
| Age group | 12 |
| Gender/Age | 11 |
Rankings (Standard)
| National | |
| Overall | 3015 |
| Gender | 2518 |
| Age group | 135 |
| Gender/Age | 108 |
| Provincial | |
| Overall | 200 |
| Gender | 175 |
| Age group | 14 |
| Gender/Age | 13 |
| Regional | |
| Overall | 135 |
| Gender | 113 |
| Age group | 12 |
| Gender/Age | 11 |
Rankings (Rapid)
| National | |
| Overall | 3052 |
| Gender | 2463 |
| Age group | 207 |
| Gender/Age | 169 |
| Provincial | |
| Overall | 124 |
| Gender | 103 |
| Age group | 11 |
| Gender/Age | 10 |
| Regional | |
| Overall | 117 |
| Gender | 96 |
| Age group | 11 |
| Gender/Age | 10 |
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 | 49 |
| Score | 27 |
| Percent | 55.1 |
| Aor | 1360.6 |
| Dp | 43.4 |
| Prat | 1403.9 |
Performance (12 months)
| Games | 66 |
| Score | 38 |
| Percent | 57.6 |
| Aor | 1359.7 |
| Dp | 64.4 |
| Prat | 1424.1 |
Performance (History)
| Games | 149 |
| Score | 90 |
| Percent | 60.4 |
| Aor | 1295.6 |
| Dp | 88.4 |
| Prat | 1384 |
Top 5 opponents most often played
| Type | # | Opponent | Games | White | Black | First tournament | Last tournament | Details |
| Overall | 1 | Mofokeng, K (Khotso) | 8 | 2 | 6 | Bojanala's Battle In The Kloof 2024 (Big Pawns) | Bojanala Closed Chess Championships 2026 (U10) | Details |
| Overall | 2 | Botes, L (Levi) | 7 | 4 | 3 | Bojanala Circuit Championships 3 of 4 2024 (U8) | 2026 Bojanala's Rooi Masjien 2.0 (Center Pawns) | Details |
| Overall | 3 | Xhalabile, L (Lonwabo) | 6 | 3 | 3 | Bojanala's Rating Express 2024 (Big Pawns) | Bojanala's Battle Of Mount Cambridge 2026 (Center Pawns) | Details |
| Overall | 4 | Kruger, T (Thinus Pieter) | 6 | 5 | 1 | Bojanala Closed Chess Championships 2025 (U8) | Bojanala's Die Rooi Masjien 2026 (Center Pawns) | Details |
| Overall | 5 | Mabugu, R (Refilwe) | 5 | 2 | 3 | Schoemies' Kings & Queens 2024 (Big Pawns) | Bojanala's Grenville Open 2026 (Center Pawns) | Details |
| Standard | 1 | Botes, L (Levi) | 7 | 4 | 3 | Bojanala Circuit Championships 3 of 4 2024 (U8) | 2026 Bojanala's Rooi Masjien 2.0 (Center Pawns) | Details |
| Standard | 2 | Mofokeng, K (Khotso) | 7 | 2 | 5 | Bojanala's Battle In The Kloof 2024 (Big Pawns) | Bojanala Closed Chess Championships 2026 (U10) | Details |
| Standard | 3 | Xhalabile, L (Lonwabo) | 6 | 3 | 3 | Bojanala's Rating Express 2024 (Big Pawns) | Bojanala's Battle Of Mount Cambridge 2026 (Center Pawns) | Details |
| Standard | 4 | Kruger, T (Thinus Pieter) | 5 | 4 | 1 | Bojanala Closed Chess Championships 2025 (U8) | Bojanala's Die Rooi Masjien 2026 (Center Pawns) | Details |
| Standard | 5 | Mabugu, R (Refilwe) | 5 | 2 | 3 | Schoemies' Kings & Queens 2024 (Big Pawns) | Bojanala's Grenville Open 2026 (Center Pawns) | Details |