PLAYER PAGE
Johan Geldenhuys
1180308745Johannesburg Metro (GJM)Personal
Main rating
| Rating | 1322.7 |
| K-factor | 36 |
| Floor | 807.4 |
| Highest | 1338.6 (2025-09-30) |
| Min/Max +/- allowed | 136 |
| Rating Change () | |
| Games | 5 |
| Score | 2 |
| We | 2.61 |
| SWe | -0.5 |
| Temp +/- | -18.1 |
| Penalties | 0 |
| Weight perform | 1246.9 |
| Final +/- | -18.1 |
| New Rating () | |
| Rating | 1304.6 |
| K-factor | 36 |
| Floor | 807.4 |
| Highest | 1338.6 (2025-09-30) |
| Min/Max +/- allowed | 136.1 |
Standard rating
| Rating | 1313.8 |
| K-factor | 36 |
| Floor | 818.3 |
| Highest | 1336.5 (2025-09-30) |
| Min/Max +/- allowed | 136.5 |
| Rating Change () | |
| Games | 5 |
| Score | 2 |
| We | 2.53 |
| SWe | -0.53 |
| Temp +/- | -19.1 |
| Penalties | 0 |
| Weight perform | 1246.9 |
| Final +/- | -19.1 |
| New Rating () | |
| Rating | 1294.7 |
| K-factor | 36 |
| Floor | 818.3 |
| Highest | 1336.5 (2025-09-30) |
| Min/Max +/- allowed | 136.5 |
Rapid 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 |
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 | JMC Helpmekaar 2026 (U10) | Standard | 2026-05-31 | 2026-05-31 | Johannesburg Metro (GJM) | 5 | 1322.7 | 5 | 2 | 1212.4 | -18.1 | Details |
| # | Tournament | Type | Start | End | Host | Rounds | Rating | Games | Score | Perform | Rat+/- | Details |
| 1 | South African Junior Closed Chess Championship 2026 (U8 Open) | Classical | 2026-03-28 | 2026-04-02 | Bojanala Platina (NBR) | 9 | 1273.3 | 9 | 4 | 1409 | 49.5 | Details |
| 2 | 2026 Blou Bull Chess Tournament (U10) | Standard | 2026-02-21 | 2026-02-21 | Tshwane (GTP) | 5 | 1292.3 | 5 | 3 | 1417.8 | 23.2 | Details |
| 3 | JMC Trinityhouse Little Falls (U10) | Standard | 2026-02-28 | 2026-02-28 | Johannesburg Metro (GJM) | 5 | 1292.3 | 5 | 1.5 | 1043.9 | -42.3 | Details |
| 4 | 2025 Mzansi Individual Championships (U8 Open) | Classical | 2025-12-17 | 2025-12-20 | Nelson Mandela Bay (ENM) | 6 | 1309.5 | 6 | 3 | 1394 | 11.8 | Details |
| 5 | 2025 Mzansi Inter Provincial Team Championships (U8 Open) | Standard | 2025-12-15 | 2025-12-17 | Nelson Mandela Bay (ENM) | 6 | 1309.5 | 6 | 0.5 | 1045.1 | -31 | Details |
| 6 | Gauteng Inter-Region at Emerald Resort 2025 (U8+U10 Girls) | Standard | 2025-12-06 | 2025-12-07 | Sedibeng (GSV) | 5 | 1309.5 | 4 | 3 | 1426.8 | 10.5 | Details |
| 7 | Fourth Knight Riders Juniors Open Chess Tournament 2025 (U8) | Standard | 2025-08-31 | 2025-08-31 | Johannesburg Metro (GJM) | 5 | 1323 | 5 | 3 | 1391.8 | 6 | Details |
| 8 | JMC Closed 2025 (U8) | Standard | 2025-08-09 | 2025-08-09 | Johannesburg Metro (GJM) | 5 | 1267.1 | 5 | 3 | 1428.9 | 16.4 | Details |
| 9 | 2025 Wynie Robbertse Chess Tournament (U8) | Standard | 2025-07-19 | 2025-07-19 | Tshwane (GTP) | 5 | 1252.3 | 5 | 3 | 1329 | 8.1 | Details |
| 10 | JMC Helpmekaar 2025 (U8) | Standard | 2025-06-01 | 2025-06-01 | Johannesburg Metro (GJM) | 5 | 1261 | 5 | 2 | 1219.2 | -4.8 | Details |
| 11 | 2025 Prestige Open Chess Tournament (U8) | Standard | 2025-03-08 | 2025-03-08 | Tshwane (GTP) | 5 | 1218.5 | 5 | 4 | 1455 | 22.4 | Details |
| 12 | 2025 Tshwane Chess OPEN Registration Tournament (U8) | Standard | 2025-01-25 | 2025-01-25 | Tshwane (GTP) | 5 | 1197.6 | 4 | 2.5 | 1346.5 | 11.6 | Details |
| 13 | East Rand Chess Year end Open 2024 (D) | Standard | 2024-11-30 | 2024-11-30 | Ekurhuleni (GE) | 4 | 1223.9 | 3 | 0 | 965.2 | -14.6 | Details |
| 14 | Chesshereoes Minions 2024 (Grade R) | Standard | 2024-09-14 | 2024-09-14 | Johannesburg Metro (GJM) | 4 | 1191.4 | 4 | 3 | 1398.7 | 16.3 | Details |
| 15 | Fourth Knight Riders Juniors Open Chess Tournament 204 (U8) | Standard | 2024-08-03 | 2024-08-03 | Johannesburg Metro (GJM) | 5 | 1200 | 5 | 2 | 1149.1 | -4.3 | 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 | 24 |
| Wins | 10 |
| Draws | 1 |
| Losses | 13 |
| White | 11 |
| Black | 13 |
| White wins | 2 |
| Black wins | 8 |
| Score | 10.5 |
| Percent | 43.8 |
| Dp | -53.1 |
| AOR | 1346.9 |
| Performance | 1293.8 |
Game statistics (History)
| Games | 81 |
| Wins | 37 |
| Draws | 5 |
| Losses | 39 |
| White | 39 |
| Black | 42 |
| White wins | 15 |
| Black wins | 22 |
| Score | 39.5 |
| Percent | 48.8 |
| Dp | -10.5 |
| AOR | 1308.4 |
| Performance | 1298 |
Rankings (Main)
| National | |
| Overall | 5602 |
| Gender | 4622 |
| Age group | 231 |
| Gender/Age | 181 |
| Provincial | |
| Overall | 1900 |
| Gender | 1569 |
| Age group | 80 |
| Gender/Age | 61 |
| Regional | |
| Overall | 520 |
| Gender | 453 |
| Age group | 28 |
| Gender/Age | 21 |
Rankings (Standard)
| National | |
| Overall | 5280 |
| Gender | 4324 |
| Age group | 236 |
| Gender/Age | 178 |
| Provincial | |
| Overall | 1854 |
| Gender | 1528 |
| Age group | 84 |
| Gender/Age | 64 |
| Regional | |
| Overall | 503 |
| Gender | 438 |
| Age group | 31 |
| Gender/Age | 23 |
Rankings (Rapid)
| 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 |
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 | 24 |
| Score | 10.5 |
| Percent | 43.8 |
| Aor | 1346.9 |
| Dp | -53.1 |
| Prat | 1293.8 |
Performance (12 months)
| Games | 55 |
| Score | 26 |
| Percent | 47.3 |
| Aor | 1334.8 |
| Dp | -23.2 |
| Prat | 1311.7 |
Performance (History)
| Games | 81 |
| Score | 39.5 |
| Percent | 48.8 |
| Aor | 1308.4 |
| Dp | -10.5 |
| Prat | 1298 |
Top 5 opponents most often played
| Type | # | Opponent | Games | White | Black | First tournament | Last tournament | Details |
| Overall | 1 | Klopper, L (Liam) | 4 | 3 | 1 | JMC Helpmekaar 2025 (U8) | Fourth Knight Riders Juniors Open Chess Tournament 2025 (U8) | Details |
| Overall | 2 | Fischer, E (Ernst) | 3 | 1 | 2 | Fourth Knight Riders Juniors Open Chess Tournament 204 (U8) | South African Junior Closed Chess Championship 2026 (U8 Open) | Details |
| Overall | 3 | Roberts, L (Luke) | 3 | 0 | 3 | 2025 Mzansi Inter Provincial Team Championships (U8 Open) | South African Junior Closed Chess Championship 2026 (U8 Open) | Details |
| Overall | 4 | Mendonca, M (Mark) | 3 | 1 | 2 | East Rand Chess Year end Open 2024 (D) | 2025 Mzansi Individual Championships (U8 Open) | Details |
| Overall | 5 | Fourie, D (Daniël) | 2 | 2 | 0 | 2025 Prestige Open Chess Tournament (U8) | South African Junior Closed Chess Championship 2026 (U8 Open) | Details |
| Standard | 1 | Klopper, L (Liam) | 4 | 3 | 1 | JMC Helpmekaar 2025 (U8) | Fourth Knight Riders Juniors Open Chess Tournament 2025 (U8) | Details |
| Standard | 2 | Roberts, L (Luke) | 3 | 0 | 3 | 2025 Mzansi Inter Provincial Team Championships (U8 Open) | South African Junior Closed Chess Championship 2026 (U8 Open) | Details |
| Standard | 3 | Mendonca, M (Mark) | 3 | 1 | 2 | East Rand Chess Year end Open 2024 (D) | 2025 Mzansi Individual Championships (U8 Open) | Details |
| Standard | 4 | Fischer, E (Ernst) | 3 | 1 | 2 | Fourth Knight Riders Juniors Open Chess Tournament 204 (U8) | South African Junior Closed Chess Championship 2026 (U8 Open) | Details |
| Standard | 5 | Mfazwe, P (Phumla) | 2 | 1 | 1 | JMC Closed 2025 (U8) | Fourth Knight Riders Juniors Open Chess Tournament 2025 (U8) | Details |