PLAYER PAGE
Johan Geldenhuys
1180308745Johannesburg Metro (GJM)Personal
Main rating
| Rating | 1273.3 |
| K-factor | 36 |
| Floor | 807.4 |
| Highest | 1338.6 (2025-09-30) |
| Min/Max +/- allowed | 136 |
| Rating Change () | |
| Games | 9 |
| Score | 4 |
| We | 2.63 |
| SWe | 1.37 |
| Temp +/- | 49.5 |
| Penalties | 0 |
| Weight perform | 1266.8 |
| Final +/- | +49.5 |
| New Rating () | |
| Rating | 1322.7 |
| K-factor | 36 |
| Floor | 807.4 |
| Highest | 1338.6 (2025-09-30) |
| Min/Max +/- allowed | 136.1 |
Standard rating
| Rating | 1261.1 |
| K-factor | 36 |
| Floor | 818.3 |
| Highest | 1336.5 (2025-09-30) |
| Min/Max +/- allowed | 136.5 |
| Rating Change () | |
| Games | 9 |
| Score | 4 |
| We | 2.54 |
| SWe | 1.46 |
| Temp +/- | 52.6 |
| Penalties | 0 |
| Weight perform | 1266.8 |
| Final +/- | +52.6 |
| New Rating () | |
| Rating | 1313.8 |
| 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 | 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 |
| # | Tournament | Type | Start | End | Host | Rounds | Rating | Games | Score | Perform | Rat+/- | Details |
| 1 | 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 |
| 2 | 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 |
| 3 | 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 |
| 4 | 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 |
| 5 | 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 |
| 6 | 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 |
| 7 | JMC Closed 2025 (U8) | Standard | 2025-08-09 | 2025-08-09 | Johannesburg Metro (GJM) | 5 | 1267.1 | 5 | 3 | 1428.9 | 16.4 | Details |
| 8 | 2025 Wynie Robbertse Chess Tournament (U8) | Standard | 2025-07-19 | 2025-07-19 | Tshwane (GTP) | 5 | 1252.3 | 5 | 3 | 1329 | 8.1 | Details |
| 9 | JMC Helpmekaar 2025 (U8) | Standard | 2025-06-01 | 2025-06-01 | Johannesburg Metro (GJM) | 5 | 1261 | 5 | 2 | 1219.2 | -4.8 | Details |
| 10 | 2025 Prestige Open Chess Tournament (U8) | Standard | 2025-03-08 | 2025-03-08 | Tshwane (GTP) | 5 | 1218.5 | 5 | 4 | 1455 | 22.4 | Details |
| 11 | 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 |
| 12 | 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 |
| 13 | 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 |
| 14 | 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 | 19 |
| Wins | 8 |
| Draws | 1 |
| Losses | 10 |
| White | 9 |
| Black | 10 |
| White wins | 2 |
| Black wins | 6 |
| Score | 8.5 |
| Percent | 44.7 |
| Dp | -44.7 |
| AOR | 1359.9 |
| Performance | 1315.2 |
Game statistics (History)
| Games | 76 |
| Wins | 35 |
| Draws | 5 |
| Losses | 36 |
| White | 37 |
| Black | 39 |
| White wins | 15 |
| Black wins | 20 |
| Score | 37.5 |
| Percent | 49.3 |
| Dp | -5.6 |
| AOR | 1309.2 |
| Performance | 1303.6 |
Rankings (Main)
| National | |
| Overall | 7362 |
| Gender | 6002 |
| Age group | 302 |
| Gender/Age | 224 |
| Provincial | |
| Overall | 2470 |
| Gender | 2010 |
| Age group | 95 |
| Gender/Age | 69 |
| Regional | |
| Overall | 645 |
| Gender | 549 |
| Age group | 37 |
| Gender/Age | 26 |
Rankings (Standard)
| National | |
| Overall | 7034 |
| Gender | 5641 |
| Age group | 319 |
| Gender/Age | 230 |
| Provincial | |
| Overall | 2493 |
| Gender | 2004 |
| Age group | 99 |
| Gender/Age | 71 |
| Regional | |
| Overall | 614 |
| Gender | 512 |
| Age group | 39 |
| Gender/Age | 28 |
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 | 9 |
| Score | 4 |
| Percent | 44.4 |
| Aor | 1456.2 |
| Dp | -47.2 |
| Prat | 1408.9 |
Performance ()
| Games | 19 |
| Score | 8.5 |
| Percent | 44.7 |
| Aor | 1359.9 |
| Dp | -44.7 |
| Prat | 1315.2 |
Performance (12 months)
| Games | 55 |
| Score | 26 |
| Percent | 47.3 |
| Aor | 1335.5 |
| Dp | -23.2 |
| Prat | 1312.3 |
Performance (History)
| Games | 76 |
| Score | 37.5 |
| Percent | 49.3 |
| Aor | 1309.2 |
| Dp | -5.6 |
| Prat | 1303.6 |
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 | Mendonca, M (Mark) | 3 | 1 | 2 | East Rand Chess Year end Open 2024 (D) | 2025 Mzansi Individual Championships (U8 Open) | Details |
| Overall | 3 | Mfazwe, P (Phumla) | 2 | 1 | 1 | JMC Closed 2025 (U8) | Fourth Knight Riders Juniors Open Chess Tournament 2025 (U8) | Details |
| Overall | 4 | Fischer, E (Ernst) | 2 | 0 | 2 | Fourth Knight Riders Juniors Open Chess Tournament 204 (U8) | JMC Helpmekaar 2025 (U8) | Details |
| Overall | 5 | Roberts, L (Luke) | 2 | 0 | 2 | 2025 Mzansi Inter Provincial Team Championships (U8 Open) | 2025 Mzansi Individual Championships (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 | Mendonca, M (Mark) | 3 | 1 | 2 | East Rand Chess Year end Open 2024 (D) | 2025 Mzansi Individual Championships (U8 Open) | Details |
| Standard | 3 | Mfazwe, P (Phumla) | 2 | 1 | 1 | JMC Closed 2025 (U8) | Fourth Knight Riders Juniors Open Chess Tournament 2025 (U8) | Details |
| Standard | 4 | Dippenaar, L (Luka) | 2 | 2 | 0 | Chesshereoes Minions 2024 (Grade R) | JMC Helpmekaar 2025 (U8) | Details |
| Standard | 5 | Roberts, L (Luke) | 2 | 0 | 2 | 2025 Mzansi Inter Provincial Team Championships (U8 Open) | 2025 Mzansi Individual Championships (U8 Open) | Details |