PLAYER PAGE
Janco Jansen van Rensburg
1170317768Ekurhuleni (GE)Personal
Main rating
| Rating | 1354.3 |
| K-factor | 36 |
| Floor | 854.3 |
| Highest | 1354.3 (2026-09-01) |
| Min/Max +/- allowed | 133 |
| Rating Change () | |
| Games | 5 |
| Score | 2.5 |
| We | 3.31 |
| SWe | -0.8 |
| Temp +/- | -28.7 |
| Penalties | 0 |
| Weight perform | 1217.7 |
| Final +/- | -28.7 |
| New Rating () | |
| Rating | 1325.6 |
| K-factor | 36 |
| Floor | 854.3 |
| Highest | 1354.3 (2026-09-01) |
| Min/Max +/- allowed | 133.1 |
Standard rating
| Rating | 1292.6 |
| K-factor | 36 |
| Floor | 798.3 |
| Highest | 1298.3 (2026-06-01) |
| Min/Max +/- allowed | 144.1 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 1267.6 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1292.6 |
| K-factor | 36 |
| Floor | 798.3 |
| Highest | 1298.3 (2026-06-01) |
| Min/Max +/- allowed | 144.1 |
Rapid rating
| Rating | 1293.5 |
| K-factor | 36 |
| Floor | 793.5 |
| Highest | 1293.5 (2026-09-01) |
| Min/Max +/- allowed | 145.1 |
| Rating Change () | |
| Games | 5 |
| Score | 2.5 |
| We | 3.78 |
| SWe | -1.6 |
| Temp +/- | -57.5 |
| Penalties | 0 |
| Weight perform | 1227.1 |
| Final +/- | -57.5 |
| New Rating () | |
| Rating | 1236 |
| K-factor | 36 |
| Floor | 793.5 |
| Highest | 1293.5 (2026-09-01) |
| Min/Max +/- allowed | 145.1 |
Blitz rating
| Rating | 1200 |
| K-factor | 36 |
| Floor | 700 |
| Highest | 1200 (2025-04-01) |
| 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 (2025-04-01) |
| Min/Max +/- allowed | 165.8 |
Rating Graph
Tournaments
| # | Tournament | Type | Start | End | Host | Rounds | Rating | Games | Score | Perform | Rat+/- | Details |
| 1 | Gauteng Top Schools Teams 2026 (U9) | Rapid | 2026-08-28 | 2026-08-28 | Ekurhuleni (GE) | 5 | 1354.3 | 5 | 2.5 | 1171.2 | -21.5 | Details |
| # | Tournament | Type | Start | End | Host | Rounds | Rating | Games | Score | Perform | Rat+/- | Details |
| 1 | EN Teams 2026 (U9) | Rapid | 2026-08-15 | 2026-08-15 | Ekurhuleni (GE) | 5 | 1354.3 | 5 | 3 | 1390 | 14.5 | Details |
| 2 | Edenvale Germiston Cluster 2026 (U9) | Rapid | 2026-07-25 | 2026-07-25 | Ekurhuleni (GE) | 2 | 1354.3 | 2 | 2 | 1629.4 | 16.7 | Details |
| 3 | West Rand Womens Day Open 2026 (U10) | Standard | 2026-08-08 | 2026-08-08 | West Rand (GWR) | 5 | 1354.3 | 5 | 3 | 1416.9 | 18.4 | Details |
| 4 | Ekurhuleni Open 2026 (F) | Standard | 2026-05-23 | 2026-05-23 | Ekurhuleni (GE) | 5 | 1338.2 | 5 | 2 | 1139.3 | -33.5 | Details |
| 5 | Ekurhuleni 1st Trial 2026 (E) | Standard | 2026-04-11 | 2026-04-11 | Ekurhuleni (GE) | 5 | 1218.4 | 5 | 3 | 1392.6 | 29.2 | Details |
| 6 | Ekurhuleni North District Individuals 2026 (U9 Boys) | Standard | 2026-05-09 | 2026-05-09 | Ekurhuleni (GE) | 5 | 1218.4 | 5 | 3 | 1352.3 | 24.7 | Details |
| 7 | Edenvale Germiston Cluster 2026 (U9 Boys) | Rapid | 2026-04-18 | 2026-04-18 | Ekurhuleni (GE) | 5 | 1174.2 | 5 | 4 | 1512.7 | 44.1 | Details |
| 8 | JP Wagner Cup 2026 (U8+U10) | Standard | 2026-01-31 | 2026-01-31 | Ekurhuleni (GE) | 5 | 1194.2 | 4 | 2 | 1332 | 6.6 | Details |
| 9 | 2025 Super 8 (Junior) | Rapid | 2025-09-26 | 2025-09-26 | Ekurhuleni (GE) | 5 | 1206 | 5 | 2 | 1107.1 | -7.6 | Details |
| 10 | East Rand Chess Club Open 2025 (D) | Standard | 2025-08-09 | 2025-08-09 | Ekurhuleni (GE) | 5 | 1222.7 | 5 | 1 | 1075.6 | -15.1 | Details |
| 11 | East Rand Chess Club Open 2025 (D) | Standard | 2025-08-09 | 2025-08-09 | Ekurhuleni (GE) | 5 | 1222.7 | 5 | 1 | 1075.6 | -15.1 | Details |
| 12 | East Rand Chess Club 2025 (D) | Rapid | 2025-09-06 | 2025-09-06 | Ekurhuleni (GE) | 5 | 1222.7 | 4 | 0.5 | 1055.8 | -9.5 | Details |
| 13 | East Rand Chess Club 2025 (D) | Rapid | 2025-09-06 | 2025-09-06 | Ekurhuleni (GE) | 5 | 1222.7 | 4 | 0.5 | 1055.8 | -9.5 | Details |
| 14 | Ekurhuleni North Schools Teams 2025 (U9) | Standard | 2025-08-16 | 2025-08-16 | Ekurhuleni (GE) | 5 | 1206.6 | 5 | 3 | 1309.4 | 9.3 | Details |
| 15 | Edenvale Germiston Cluster Teams 2025 (U9) | Rapid | 2025-07-25 | 2025-07-25 | Ekurhuleni (GE) | 6 | 1206.5 | 4 | 2 | 1200 | -0.4 | Details |
| 16 | Ekurhuleni North School District Finals 2025 (U9 Boys) | Standard | 2025-06-14 | 2025-06-14 | Ekurhuleni (GE) | 5 | 1222 | 5 | 1.5 | 1042.4 | -18.3 | Details |
| 17 | CPH May 2025 (E) | Standard | 2025-05-03 | 2025-05-03 | Johannesburg Metro (GJM) | 5 | 1230.2 | 5 | 2 | 1191.3 | -4.5 | Details |
| 18 | Chess Power House March Open 2025 (E) | Standard | 2025-03-22 | 2025-03-22 | Johannesburg Metro (GJM) | 5 | 1200 | 5 | 2 | 1101.1 | -10.3 | Details |
| 19 | Edenvale Germiston Cluster 2025 (U9 Boys) | Standard | 2025-03-08 | 2025-03-08 | Ekurhuleni (GE) | 5 | 1200 | 5 | 4 | 1453.3 | 25.4 | 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 | 41 |
| Wins | 24 |
| Draws | 1 |
| Losses | 16 |
| White | 20 |
| Black | 21 |
| White wins | 7 |
| Black wins | 17 |
| Score | 24.5 |
| Percent | 59.8 |
| Dp | 82.9 |
| AOR | 1269.8 |
| Performance | 1352.7 |
Game statistics (History)
| Games | 93 |
| Wins | 41 |
| Draws | 6 |
| Losses | 46 |
| White | 59 |
| Black | 52 |
| White wins | 17 |
| Black wins | 26 |
| Score | 44 |
| Percent | 47.3 |
| Dp | -22.8 |
| AOR | 1264.6 |
| Performance | 1241.8 |
Rankings (Main)
| National | |
| Overall | 4589 |
| Gender | 3815 |
| Age group | 206 |
| Gender/Age | 167 |
| Provincial | |
| Overall | 1550 |
| Gender | 1292 |
| Age group | 74 |
| Gender/Age | 60 |
| Regional | |
| Overall | 281 |
| Gender | 217 |
| Age group | 10 |
| Gender/Age | 9 |
Rankings (Standard)
| National | |
| Overall | 5660 |
| Gender | 4572 |
| Age group | 305 |
| Gender/Age | 231 |
| Provincial | |
| Overall | 2019 |
| Gender | 1627 |
| Age group | 108 |
| Gender/Age | 83 |
| Regional | |
| Overall | 394 |
| Gender | 294 |
| Age group | 14 |
| Gender/Age | 12 |
Rankings (Rapid)
| National | |
| Overall | 2219 |
| Gender | 1822 |
| Age group | 131 |
| Gender/Age | 106 |
| Provincial | |
| Overall | 501 |
| Gender | 415 |
| Age group | 30 |
| Gender/Age | 24 |
| Regional | |
| Overall | 187 |
| Gender | 139 |
| Age group | 13 |
| Gender/Age | 11 |
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 | 41 |
| Score | 24.5 |
| Percent | 59.8 |
| Aor | 1269.8 |
| Dp | 82.9 |
| Prat | 1352.7 |
Performance (12 months)
| Games | 41 |
| Score | 24.5 |
| Percent | 59.8 |
| Aor | 1269.8 |
| Dp | 82.9 |
| Prat | 1352.7 |
Performance (History)
| Games | 93 |
| Score | 44 |
| Percent | 47.3 |
| Aor | 1264.6 |
| Dp | -22.8 |
| Prat | 1241.8 |
Top 5 opponents most often played
| Type | # | Opponent | Games | White | Black | First tournament | Last tournament | Details |
| Overall | 1 | Robinson, L (LXR) | 8 | 6 | 2 | Edenvale Germiston Cluster 2025 (U9 Boys) | West Rand Womens Day Open 2026 (U10) | Details |
| Overall | 2 | Coetzee, K (Kylo) | 5 | 2 | 3 | Edenvale Germiston Cluster 2025 (U9 Boys) | Edenvale Germiston Cluster 2026 (U9) | Details |
| Overall | 3 | Mendonca, M (Mark) | 5 | 5 | 0 | East Rand Chess Club 2025 (D) | JP Wagner Cup 2026 (U8+U10) | Details |
| Overall | 4 | Mabaso, A (Anathi) | 3 | 1 | 2 | East Rand Chess Club 2025 (D) | JP Wagner Cup 2026 (U8+U10) | Details |
| Overall | 5 | Gabel Smit, H (Heinrich) | 3 | 3 | 0 | East Rand Chess Club Open 2025 (D) | Ekurhuleni North District Individuals 2026 (U9 Boys) | Details |
| Standard | 1 | Robinson, L (LXR) | 5 | 3 | 2 | Edenvale Germiston Cluster 2025 (U9 Boys) | West Rand Womens Day Open 2026 (U10) | Details |
| Standard | 2 | Mendonca, M (Mark) | 3 | 3 | 0 | East Rand Chess Club Open 2025 (D) | JP Wagner Cup 2026 (U8+U10) | Details |
| Standard | 3 | Gabel Smit, H (Heinrich) | 3 | 3 | 0 | East Rand Chess Club Open 2025 (D) | Ekurhuleni North District Individuals 2026 (U9 Boys) | Details |
| Standard | 4 | Coetzee, K (Kylo) | 3 | 1 | 2 | Edenvale Germiston Cluster 2025 (U9 Boys) | Ekurhuleni North District Individuals 2026 (U9 Boys) | Details |
| Standard | 5 | Nakene, P (Pako) | 2 | 0 | 2 | East Rand Chess Club Open 2025 (D) | East Rand Chess Club Open 2025 (D) | Details |
| Rapid | 1 | Robinson, L (LXR) | 3 | 3 | 0 | East Rand Chess Club 2025 (D) | Edenvale Germiston Cluster 2026 (U9 Boys) | Details |
| Rapid | 2 | Coetzee, K (Kylo) | 2 | 1 | 1 | Edenvale Germiston Cluster 2026 (U9) | Edenvale Germiston Cluster 2026 (U9) | Details |
| Rapid | 3 | Mabaso, A (Anathi) | 2 | 0 | 2 | East Rand Chess Club 2025 (D) | East Rand Chess Club 2025 (D) | Details |
| Rapid | 4 | Rammutla, K (Kitso) | 2 | 1 | 1 | Edenvale Germiston Cluster Teams 2025 (U9) | Edenvale Germiston Cluster Teams 2025 (U9) | Details |
| Rapid | 5 | Mendonca, M (Mark) | 2 | 2 | 0 | East Rand Chess Club 2025 (D) | East Rand Chess Club 2025 (D) | Details |