PLAYER PAGE
Kamohelo Roestoff
1160309245Bojanala Platina (NBR)Personal
Main rating
| Rating | 1551.6 |
| K-factor | 32 |
| Floor | 1051.6 |
| Highest | 1551.6 (2026-06-01) |
| Min/Max +/- allowed | 100 |
| Rating Change () | |
| Games | 5 |
| Score | 3.5 |
| We | 3.56 |
| SWe | -0.05 |
| Temp +/- | -1.7 |
| Penalties | 0 |
| Weight perform | 1553.9 |
| Final +/- | +2.3 |
| New Rating () | |
| Rating | 1553.9 |
| K-factor | 32 |
| Floor | 1053.9 |
| Highest | 1553.9 (2026-06-01) |
| Min/Max +/- allowed | 100.1 |
Standard rating
| Rating | 1551.6 |
| K-factor | 32 |
| Floor | 1051.6 |
| Highest | 1551.6 (2026-06-01) |
| Min/Max +/- allowed | 100.5 |
| Rating Change () | |
| Games | 5 |
| Score | 3.5 |
| We | 3.56 |
| SWe | -0.06 |
| Temp +/- | -1.9 |
| Penalties | 0 |
| Weight perform | 1553.9 |
| Final +/- | +2.3 |
| New Rating () | |
| Rating | 1553.9 |
| K-factor | 32 |
| Floor | 1053.9 |
| Highest | 1553.9 (2026-06-01) |
| Min/Max +/- allowed | 100.1 |
Rapid rating
| Rating | 1203.8 |
| K-factor | 36 |
| Floor | 703.8 |
| Highest | 1203.8 (2025-08-01) |
| Min/Max +/- allowed | 164.9 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 0 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1203.8 |
| K-factor | 36 |
| Floor | 703.8 |
| Highest | 1203.8 (2025-08-01) |
| Min/Max +/- allowed | 164.9 |
Blitz rating
| Rating | 1200 |
| K-factor | 36 |
| Floor | 700 |
| Highest | 1200 (2024-10-01) |
| 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 (2024-10-01) |
| Min/Max +/- allowed | 165.8 |
Rating Graph
Tournaments
| # | Tournament | Type | Start | End | Host | Rounds | Rating | Games | Score | Perform | Rat+/- | Details |
| 1 | Bojanala's Circuit Championships 1 of 4 2026 (U12) | Standard | 2026-05-30 | 2026-05-30 | Bojanala Platina (NBR) | 5 | 1551.6 | 5 | 3.5 | 1546.2 | -1.7 | Details |
| # | Tournament | Type | Start | End | Host | Rounds | Rating | Games | Score | Perform | Rat+/- | Details |
| 1 | Bojanala's Selly Park Winter Open 2026 (Center Pawns) | Standard | 2026-05-16 | 2026-05-16 | Bojanala Platina (NBR) | 5 | 1470.4 | 5 | 4 | 1693 | 35.9 | Details |
| 2 | Fifth Knight Riders Juniors Open Chess Tournament 2026 (U8+U10) | Standard | 2026-05-02 | 2026-05-02 | Johannesburg Metro (GJM) | 5 | 1470.4 | 5 | 3 | 1504.2 | 4.3 | Details |
| 3 | South African Junior Closed Chess Championship 2026 (U10 Open) | Classical | 2026-03-28 | 2026-04-02 | Bojanala Platina (NBR) | 9 | 1464.9 | 9 | 4 | 1465.7 | 1.4 | Details |
| 4 | Bojanala's Lebone II Open 2026 (Center Pawns) | Standard | 2026-03-07 | 2026-03-07 | Bojanala Platina (NBR) | 5 | 1369.2 | 5 | 4 | 1569.2 | 30.2 | Details |
| 5 | 2026 AHS Chess Tournament (U12) | Standard | 2026-02-28 | 2026-02-28 | Tshwane (GTP) | 5 | 1369.2 | 5 | 3 | 1527.8 | 23.5 | Details |
| 6 | Bojanala's Grenville Open 2026 (Center Pawns) | Standard | 2026-02-21 | 2026-02-21 | Bojanala Platina (NBR) | 5 | 1360.6 | 5 | 3 | 1409.1 | 5.3 | Details |
| 7 | 2025 Mzansi Individual Championships (U10 Open) | Classical | 2025-12-17 | 2025-12-20 | Nelson Mandela Bay (ENM) | 6 | 1377.5 | 6 | 2.5 | 1376.9 | -0.2 | Details |
| 8 | 2025 Mzansi Inter Provincial Team Championships (U10 Combined) | Standard | 2025-12-15 | 2025-12-17 | Nelson Mandela Bay (ENM) | 6 | 1377.5 | 4 | 2 | 1296 | -9.1 | Details |
| 9 | Bojanala's Merry ChessMas 2025 (Center Pawns) | Standard | 2025-11-29 | 2025-11-29 | Bojanala Platina (NBR) | 5 | 1377.5 | 5 | 3 | 1415.9 | 4.5 | Details |
| 10 | Bojanala's Circuit Championships 4 of 4 2025 (U10) | Standard | 2025-11-01 | 2025-11-01 | Bojanala Platina (NBR) | 5 | 1345 | 5 | 3 | 1501.2 | 14.4 | Details |
| 11 | Bojanala's FIDE On The Orion Express 2025 (Knights) | Classical | 2025-10-04 | 2025-10-05 | Bojanala Platina (NBR) | 7 | 1427.7 | 7 | 2.5 | 1152.6 | -44 | Details |
| 12 | Fourth Knight Riders Juniors Open Chess Tournament 2025 (U10) | Standard | 2025-08-31 | 2025-08-31 | Johannesburg Metro (GJM) | 5 | 1370 | 5 | 3 | 1439.3 | 6.1 | Details |
| 13 | Bojanala's Rusties - The Champions' Tournament 2025 (Center Pawns) | Standard | 2025-09-13 | 2025-09-13 | Bojanala Platina (NBR) | 5 | 1370 | 5 | 3.5 | 1561.1 | 19.3 | Details |
| 14 | Bojanala's Circuit Championships 3 of 4 2025 (U10) | Standard | 2025-08-09 | 2025-08-09 | Bojanala Platina (NBR) | 5 | 1360 | 5 | 3 | 1424.1 | 5.6 | Details |
| 15 | Bojanala's Clash Of Schools -Primary Schools 2025 (U9) | Rapid | 2025-07-26 | 2025-07-26 | Bojanala Platina (NBR) | 5 | 1370.7 | 5 | 3 | 1332.8 | -2.4 | Details |
| 16 | South African Open 2025 (U10 Open) | Classical | 2025-07-03 | 2025-07-05 | Johannesburg Metro (GJM) | 5 | 1370.7 | 5 | 2 | 1334.2 | -3.6 | Details |
| 17 | Third Knight Riders Junior Open 2025 (U10) | Standard | 2025-06-22 | 2025-06-22 | Johannesburg Metro (GJM) | 5 | 1379.1 | 0 | 0 | 0 | 0 | Details |
| 18 | Najdorf Movement 2025 (Babies) | Standard | 2025-06-14 | 2025-06-14 | Bojanala Platina (NBR) | 5 | 1379.1 | 5 | 3 | 1342.4 | -4.7 | Details |
| 19 | West Rand Open 2.0 2025 (U10) | Standard | 2025-06-07 | 2025-06-07 | West Rand (GWR) | 5 | 1379.1 | 0 | 0 | 0 | 0 | Details |
| 20 | Spartan Bishops Championships Warriors 2025 (U12) | Standard | 2025-05-23 | 2025-05-25 | Frances Baard (NCF) | 5 | 1300.8 | 5 | 3 | 1472.9 | 17.6 | Details |
| 21 | Bojanala's Circuit Championships 2 of 4 2025 (U10) | Standard | 2025-05-17 | 2025-05-17 | Bojanala Platina (NBR) | 5 | 1300.8 | 5 | 2 | 1295.2 | 0 | Details |
| 22 | JMC Crawford Sandton 2025 (U10) | Standard | 2025-05-10 | 2025-05-10 | Johannesburg Metro (GJM) | 5 | 1300.8 | 5 | 2 | 1328.7 | 2 | Details |
| 23 | 2025 Silver Lakes Chess Club Open Chess Tournament (U10) | Standard | 2025-05-03 | 2025-05-03 | Tshwane (GTP) | 5 | 1300.8 | 4 | 3 | 1503.8 | 15.9 | Details |
| 24 | Lubowski Open 2025 (E+F) | Standard | 2025-03-21 | 2025-03-21 | Tshwane (GTP) | 5 | 1306.4 | 5 | 3 | 1283.8 | -3.2 | Details |
| 25 | AHS Open Chess Tournament 2025 (U10) | Standard | 2025-03-01 | 2025-03-01 | Tshwane (GTP) | 5 | 1306.4 | 0 | 0 | 0 | 0 | Details |
| 26 | 2025 KSNG Open (U10) | Standard | 2025-02-22 | 2025-02-22 | Tshwane (GTP) | 5 | 1147.4 | 5 | 3 | 1315.5 | 15.6 | Details |
| 27 | Bojanala's Battle In The Kloof 2025 (Center Pawns) | Standard | 2025-02-15 | 2025-02-15 | Bojanala Platina (NBR) | 5 | 1147.4 | 5 | 3 | 1413.4 | 25.1 | Details |
| 28 | 2025 West Rand Open (U10) | Standard | 2025-02-08 | 2025-02-08 | West Rand (GWR) | 5 | 1147.4 | 5 | 3 | 1362.8 | 19.9 | Details |
| 29 | Bojanala Wildcard 2025 (Center Pawns) | Standard | 2025-01-25 | 2025-01-25 | Bojanala Platina (NBR) | 5 | 1056.8 | 5 | 2 | 1177 | 9.8 | Details |
| 30 | Bojanala's e4 In The Chapel 2024 (Center Pawns) | Standard | 2024-10-26 | 2024-10-26 | Bojanala Platina (NBR) | 5 | 1055.8 | 5 | 2 | 1070 | 0.5 | Details |
| 31 | Bojanala's Battle In The Kloof 2024 (Center Pawns) | Standard | 2024-09-21 | 2024-09-21 | Bojanala Platina (NBR) | 5 | 1178 | 5 | 0 | 831 | -34.9 | Details |
| 32 | Bojanala Circuit Championships 3 of 4 2024 (U10) | Standard | 2024-09-14 | 2024-09-14 | Bojanala Platina (NBR) | 5 | 1178 | 5 | 1 | 916.1 | -26.2 | Details |
| 33 | Bojanala's FIDE In The Sparkling Waters 2024 (Young Junior Champs) | Classical | 2024-08-17 | 2024-08-17 | Bojanala Platina (NBR) | 5 | 1200 | 5 | 2 | 1185.1 | -1 | Details |
| 34 | Bojanala's Kings & Queens Rapid and Doubles 2024 (Center Pawns) | Rapid | 2024-08-10 | 2024-08-10 | Bojanala Platina (NBR) | 5 | 1200 | 5 | 1.5 | 987.1 | -9.9 | 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 | 39 |
| Wins | 22 |
| Draws | 5 |
| Losses | 12 |
| White | 20 |
| Black | 19 |
| White wins | 13 |
| Black wins | 9 |
| Score | 24.5 |
| Percent | 62.8 |
| Dp | 109 |
| AOR | 1415.1 |
| Performance | 1524.1 |
Game statistics (History)
| Games | 165 |
| Wins | 81 |
| Draws | 9 |
| Losses | 75 |
| White | 87 |
| Black | 78 |
| White wins | 39 |
| Black wins | 42 |
| Score | 85.5 |
| Percent | 51.8 |
| Dp | 15.5 |
| AOR | 1329.5 |
| Performance | 1344.9 |
Rankings (Main)
| National | |
| Overall | 1434 |
| Gender | 1294 |
| Age group | 92 |
| Gender/Age | 78 |
| Provincial | |
| Overall | 110 |
| Gender | 99 |
| Age group | 7 |
| Gender/Age | 7 |
| Regional | |
| Overall | 87 |
| Gender | 77 |
| Age group | 7 |
| Gender/Age | 7 |
Rankings (Standard)
| National | |
| Overall | 1317 |
| Gender | 1176 |
| Age group | 88 |
| Gender/Age | 74 |
| Provincial | |
| Overall | 111 |
| Gender | 99 |
| Age group | 6 |
| Gender/Age | 6 |
| Regional | |
| Overall | 87 |
| Gender | 76 |
| Age group | 6 |
| Gender/Age | 6 |
Rankings (Rapid)
| National | |
| Overall | 4333 |
| Gender | 3403 |
| Age group | 702 |
| Gender/Age | 519 |
| Provincial | |
| Overall | 170 |
| Gender | 129 |
| Age group | 27 |
| Gender/Age | 19 |
| Regional | |
| Overall | 167 |
| Gender | 126 |
| Age group | 27 |
| Gender/Age | 19 |
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 | 39 |
| Score | 24.5 |
| Percent | 62.8 |
| Aor | 1415.1 |
| Dp | 109 |
| Prat | 1524.1 |
Performance (12 months)
| Games | 96 |
| Score | 55 |
| Percent | 57.3 |
| Aor | 1372.5 |
| Dp | 62 |
| Prat | 1434.4 |
Performance (History)
| Games | 165 |
| Score | 85.5 |
| Percent | 51.8 |
| Aor | 1329.5 |
| Dp | 15.5 |
| Prat | 1344.9 |
Top 5 opponents most often played
| Type | # | Opponent | Games | White | Black | First tournament | Last tournament | Details |
| Overall | 1 | Xhalabile, L (Lonwabo) | 5 | 2 | 3 | Spartan Bishops Championships Warriors 2025 (U12) | Bojanala's Selly Park Winter Open 2026 (Center Pawns) | Details |
| Overall | 2 | Du Toit, L (Lwazi) | 4 | 2 | 2 | Bojanala's Battle In The Kloof 2024 (Center Pawns) | Najdorf Movement 2025 (Babies) | Details |
| Overall | 3 | Rakubutu, P (Pabatso) | 4 | 2 | 2 | Bojanala Circuit Championships 3 of 4 2024 (U10) | Fourth Knight Riders Juniors Open Chess Tournament 2025 (U10) | Details |
| Overall | 4 | Monamatha, O (Oreabetse) | 3 | 3 | 0 | Bojanala's Kings & Queens Rapid and Doubles 2024 (Center Pawns) | Bojanala Wildcard 2025 (Center Pawns) | Details |
| Overall | 5 | Manyedi, A (Anaya) | 3 | 3 | 0 | Bojanala's Circuit Championships 2 of 4 2025 (U10) | Bojanala's Circuit Championships 3 of 4 2025 (U10) | Details |
| Standard | 1 | Xhalabile, L (Lonwabo) | 5 | 2 | 3 | Spartan Bishops Championships Warriors 2025 (U12) | Bojanala's Selly Park Winter Open 2026 (Center Pawns) | Details |
| Standard | 2 | Du Toit, L (Lwazi) | 4 | 2 | 2 | Bojanala's Battle In The Kloof 2024 (Center Pawns) | Najdorf Movement 2025 (Babies) | Details |
| Standard | 3 | Rakubutu, P (Pabatso) | 4 | 2 | 2 | Bojanala Circuit Championships 3 of 4 2024 (U10) | Fourth Knight Riders Juniors Open Chess Tournament 2025 (U10) | Details |
| Standard | 4 | De Jager, L (Luado) | 3 | 1 | 2 | Bojanala's FIDE In The Sparkling Waters 2024 (Young Junior Champs) | Bojanala's Grenville Open 2026 (Center Pawns) | Details |
| Standard | 5 | Manyedi, A (Anaya) | 3 | 3 | 0 | Bojanala's Circuit Championships 2 of 4 2025 (U10) | Bojanala's Circuit Championships 3 of 4 2025 (U10) | Details |
| Rapid | 1 | Pretorius, M (Marius) | 2 | 1 | 1 | Bojanala's Kings & Queens Rapid and Doubles 2024 (Center Pawns) | Bojanala's Clash Of Schools -Primary Schools 2025 (U9) | Details |