PLAYER PAGE
Katja Geldenhuys
2130150465Cape Town (WCT)Personal
Main rating
| Rating | 1373.7 |
| K-factor | 32 |
| Floor | 951.8 |
| Highest | 1451.8 (2026-06-01) |
| Min/Max +/- allowed | 116 |
| Rating Change () | |
| Games | 7 |
| Score | 3 |
| We | 2.68 |
| SWe | 0.32 |
| Temp +/- | 10.1 |
| Penalties | 0 |
| Weight perform | 1327.8 |
| Final +/- | +10.1 |
| New Rating () | |
| Rating | 1383.8 |
| K-factor | 32 |
| Floor | 951.8 |
| Highest | 1451.8 (2026-06-01) |
| Min/Max +/- allowed | 115.8 |
Standard rating
| Rating | 1362.1 |
| K-factor | 32 |
| Floor | 942.1 |
| Highest | 1442.1 (2026-06-01) |
| Min/Max +/- allowed | 117.4 |
| Rating Change () | |
| Games | 7 |
| Score | 3 |
| We | 2.59 |
| SWe | 0.41 |
| Temp +/- | 13 |
| Penalties | 0 |
| Weight perform | 1327.8 |
| Final +/- | +13 |
| New Rating () | |
| Rating | 1375.2 |
| K-factor | 32 |
| Floor | 942.1 |
| Highest | 1442.1 (2026-06-01) |
| Min/Max +/- allowed | 117.4 |
Rapid rating
| Rating | 1324.7 |
| K-factor | 36 |
| Floor | 824.7 |
| Highest | 1640.6 (2023-07-01) |
| Min/Max +/- allowed | 88.5 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 1229.7 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1324.7 |
| K-factor | 36 |
| Floor | 824.7 |
| Highest | 1640.6 (2023-07-01) |
| Min/Max +/- allowed | 88.5 |
Blitz rating
| Rating | 1200 |
| K-factor | 36 |
| Floor | 700 |
| Highest | 1200 (2018-10-01) |
| 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 (2018-10-01) |
| Min/Max +/- allowed | 165.8 |
Rating Graph
Tournaments
| # | Tournament | Type | Start | End | Host | Rounds | Rating | Games | Score | Perform | Rat+/- | Details |
| 1 | South African Open Championship 2026 (U13 Girls) | Classical | 2026-07-02 | 2026-07-05 | Cape Town (WCT) | 7 | 1373.7 | 7 | 3 | 1407.9 | 10.1 | Details |
| # | Tournament | Type | Start | End | Host | Rounds | Rating | Games | Score | Perform | Rat+/- | Details |
| 1 | CTCF Open Championship 2026 (Intermediate) | Classical | 2026-06-13 | 2026-06-14 | Cape Town (WCT) | 6 | 1451.8 | 5 | 1.5 | 1027 | -78.1 | Details |
| 2 | 2026 WCSC PS Individual Championship (U13 Girls) | Standard | 2026-05-16 | 2026-05-17 | Overberg (WOS) | 6 | 1404.7 | 6 | 4 | 1563.7 | 29.8 | Details |
| 3 | CT Metro Schools Individual Closed 2026 (U13 Girls) | Standard | 2026-03-07 | 2026-03-08 | Cape Town (WCT) | 6 | 1406.6 | 6 | 4 | 1395.1 | -1.9 | Details |
| 4 | CT Metro North Schools Chess Individual Trials 2026 (U13 Girls) | Standard | 2026-02-07 | 2026-02-08 | Cape Town (WCT) | 6 | 1339.7 | 6 | 6 | 1654.6 | 26.6 | Details |
| 5 | Six Gun Grill Summer Sport Festival Chess Championships 2025 (Individual U13 Girls) | Rapid | 2025-12-09 | 2025-12-09 | Cape Winelands (WCW) | 5 | 1326.5 | 5 | 3 | 1355.8 | 1.4 | Details |
| 6 | Six Gun Grill Summer Sport Festival Chess Championships 2025 (Team U13) | Rapid | 2025-12-08 | 2025-12-08 | Cape Winelands (WCW) | 5 | 1326.5 | 5 | 3 | 1411.9 | 5.8 | Details |
| 7 | Curro Chess Open Rapid 2025 (U14) | Rapid | 2025-08-23 | 2025-08-23 | Cape Town (WCT) | 6 | 1326.6 | 6 | 4 | 1398.4 | 4.6 | Details |
| 8 | Cape Town Metro North Top Schools 2025 (U13) | Standard | 2025-08-01 | 2025-08-02 | Cape Town (WCT) | 5 | 1326.6 | 5 | 3 | 1284.3 | -4.6 | Details |
| 9 | 4th Curro Durbanville Rapid Open 2025 (Intermediate) | Rapid | 2025-07-19 | 2025-07-19 | Cape Town (WCT) | 7 | 1360 | 6 | 2 | 1080 | -18.6 | Details |
| 10 | Western Cape Schools Individual Championship 2025 (U13 Girls) | Standard | 2025-05-17 | 2025-05-18 | Cape Winelands (WCW) | 6 | 1365 | 6 | 3 | 1341.1 | -2.8 | Details |
| 11 | CT Metro Schools Individual Closed 2025 (U13 Girls) | Standard | 2025-03-01 | 2025-03-02 | Cape Town (WCT) | 6 | 1329.3 | 6 | 4 | 1494.5 | 19.8 | Details |
| 12 | Cape of Good Hope Open 2025 (U12) | Rapid | 2025-02-22 | 2025-02-22 | Cape Town (WCT) | 6 | 1315.7 | 6 | 3 | 1233 | -6.3 | Details |
| 13 | CT Metro North Schools Chess Individual Trials 2025 (U13 Girls) | Standard | 2025-02-08 | 2025-02-09 | Cape Town (WCT) | 6 | 1315.7 | 6 | 4.5 | 1432.5 | 13.8 | Details |
| 14 | Laerskool Welgemoed Rapid 2024 (U12) | Rapid | 2024-10-19 | 2024-10-19 | Cape Town (WCT) | 6 | 1296.8 | 6 | 3.5 | 1435.7 | 10.6 | Details |
| 15 | CT District North Top Schools 2024 (U11 Mixed) | Rapid | 2024-07-27 | 2024-07-27 | Cape Town (WCT) | 5 | 1275.6 | 5 | 4 | 1448.2 | 11.8 | Details |
| 16 | Western Cape PS Individuals Championship 2024 (U11 Girls) | Standard | 2024-05-04 | 2024-05-05 | West Coast (WCU) | 6 | 1284.6 | 6 | 2.5 | 1243.4 | -5 | Details |
| 17 | Cape Town Metro Schools Chess Closed Individuals 2024 (U11 Girls) | Standard | 2024-03-02 | 2024-03-03 | Cape Town (WCT) | 6 | 1291.5 | 6 | 3 | 1259.2 | -3.8 | Details |
| 18 | North District School Trials 2024 (U11 Girls) | Standard | 2024-02-03 | 2024-02-03 | Cape Town (WCT) | 5 | 1254.4 | 5 | 4 | 1473 | 20.7 | Details |
| 19 | Chas Everitt and MHI Attorneys Rapid 2023 (U12) | Rapid | 2023-11-04 | 2023-11-04 | Cape Town (WCT) | 6 | 1256 | 6 | 3 | 1243.7 | -1 | Details |
| 20 | Western Cape Top Schools 2023 (U13 Girls) | Standard | 2023-09-02 | 2023-09-03 | Cape Winelands (WCW) | 6 | 1182.3 | 6 | 5 | 1497.5 | 36.9 | Details |
| 21 | CT Metro District North Top Schools Chess 2023 (U13 Girls) | Rapid | 2023-07-29 | 2023-07-29 | Cape Town (WCT) | 1 | 1168.4 | 1 | 1 | 1625 | 7 | Details |
| 22 | Western Cape PS Individuals 2023 (U11 Girls) | Standard | 2023-05-05 | 2023-05-06 | Cape Town (WCT) | 6 | 1171.7 | 6 | 2 | 1156.7 | -2 | Details |
| 23 | Cape Town Metro Schools Chess Closed Individuals 2023 (U11 Girls) | Standard | 2023-03-03 | 2023-03-04 | Cape Town (WCT) | 6 | 1179.7 | 6 | 2.5 | 1146.5 | -4 | Details |
| 24 | North District School Trials 2023 (U11 Girls) | Standard | 2023-02-03 | 2023-02-04 | Cape Town (WCT) | 6 | 1200 | 6 | 2 | 1113.8 | -10.1 | Details |
Game statistics ( )
| Games | 7 |
| Wins | 2 |
| Draws | 2 |
| Losses | 3 |
| White | 3 |
| Black | 4 |
| White wins | 2 |
| Black wins | 0 |
| Score | 3 |
| Percent | 42.9 |
| Dp | -60.7 |
| AOR | 1468.6 |
| Performance | 1407.9 |
Game statistics ()
| Games | 30 |
| Wins | 16 |
| Draws | 5 |
| Losses | 9 |
| White | 14 |
| Black | 16 |
| White wins | 8 |
| Black wins | 8 |
| Score | 18.5 |
| Percent | 61.7 |
| Dp | 99.2 |
| AOR | 1323.2 |
| Performance | 1422.4 |
Game statistics (History)
| Games | 140 |
| Wins | 76 |
| Draws | 9 |
| Losses | 55 |
| White | 71 |
| Black | 69 |
| White wins | 36 |
| Black wins | 40 |
| Score | 80.5 |
| Percent | 57.5 |
| Dp | 63.8 |
| AOR | 1276.4 |
| Performance | 1340.1 |
Rankings (Main)
| National | |
| Overall | 4241 |
| Gender | 695 |
| Age group | 535 |
| Gender/Age | 147 |
| Provincial | |
| Overall | 1299 |
| Gender | 262 |
| Age group | 187 |
| Gender/Age | 64 |
| Regional | |
| Overall | 623 |
| Gender | 98 |
| Age group | 72 |
| Gender/Age | 23 |
Rankings (Standard)
| National | |
| Overall | 4041 |
| Gender | 694 |
| Age group | 527 |
| Gender/Age | 154 |
| Provincial | |
| Overall | 1190 |
| Gender | 258 |
| Age group | 179 |
| Gender/Age | 65 |
| Regional | |
| Overall | 580 |
| Gender | 100 |
| Age group | 71 |
| Gender/Age | 24 |
Rankings (Rapid)
| National | |
| Overall | 1686 |
| Gender | 265 |
| Age group | 327 |
| Gender/Age | 82 |
| Provincial | |
| Overall | 726 |
| Gender | 126 |
| Age group | 139 |
| Gender/Age | 40 |
| Regional | |
| Overall | 312 |
| Gender | 33 |
| Age group | 52 |
| Gender/Age | 8 |
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 | 7 |
| Score | 3 |
| Percent | 42.9 |
| Aor | 1468.6 |
| Dp | -60.7 |
| Prat | 1407.9 |
Performance ()
| Games | 30 |
| Score | 18.5 |
| Percent | 61.7 |
| Aor | 1323.2 |
| Dp | 99.2 |
| Prat | 1422.4 |
Performance (12 months)
| Games | 51 |
| Score | 31.5 |
| Percent | 61.8 |
| Aor | 1298.4 |
| Dp | 100 |
| Prat | 1398.4 |
Performance (History)
| Games | 140 |
| Score | 80.5 |
| Percent | 57.5 |
| Aor | 1276.4 |
| Dp | 63.8 |
| Prat | 1340.1 |
Top 5 opponents most often played
| Type | # | Opponent | Games | White | Black | First tournament | Last tournament | Details |
| Overall | 1 | De Villiers, C (Christiaan) | 3 | 1 | 2 | Chas Everitt and MHI Attorneys Rapid 2023 (U12) | Cape of Good Hope Open 2025 (U12) | Details |
| Overall | 2 | Calitz, L (Lydia) | 3 | 2 | 1 | North District School Trials 2023 (U11 Girls) | CT Metro North Schools Chess Individual Trials 2026 (U13 Girls) | Details |
| Overall | 3 | Bolton, A (Alyssa) | 2 | 0 | 2 | Cape Town Metro Schools Chess Closed Individuals 2023 (U11 Girls) | Western Cape Schools Individual Championship 2025 (U13 Girls) | Details |
| Overall | 4 | Iuzhakova, H (Heidi) | 2 | 0 | 2 | Western Cape PS Individuals 2023 (U11 Girls) | CT Metro Schools Individual Closed 2025 (U13 Girls) | Details |
| Overall | 5 | Juries, G (Gia) | 2 | 0 | 2 | CT District North Top Schools 2024 (U11 Mixed) | CT Metro Schools Individual Closed 2026 (U13 Girls) | Details |
| Standard | 1 | Calitz, L (Lydia) | 3 | 2 | 1 | North District School Trials 2023 (U11 Girls) | CT Metro North Schools Chess Individual Trials 2026 (U13 Girls) | Details |
| Standard | 2 | Pretorius, Z (Zuribeth) | 2 | 1 | 1 | North District School Trials 2024 (U11 Girls) | Cape Town Metro Schools Chess Closed Individuals 2024 (U11 Girls) | Details |
| Standard | 3 | Barnard, M (Maxine) | 2 | 0 | 2 | North District School Trials 2023 (U11 Girls) | CT Metro North Schools Chess Individual Trials 2025 (U13 Girls) | Details |
| Standard | 4 | Sybokwe, O (Ovayo) | 2 | 2 | 0 | North District School Trials 2023 (U11 Girls) | Cape Town Metro Schools Chess Closed Individuals 2023 (U11 Girls) | Details |
| Standard | 5 | Bezuidenhout, M (Mari) | 2 | 0 | 2 | CT Metro North Schools Chess Individual Trials 2025 (U13 Girls) | CT Metro Schools Individual Closed 2025 (U13 Girls) | Details |
| Rapid | 1 | De Villiers, C (Christiaan) | 3 | 1 | 2 | Chas Everitt and MHI Attorneys Rapid 2023 (U12) | Cape of Good Hope Open 2025 (U12) | Details |
| Rapid | 2 | Calitz, S (Steyn) | 2 | 1 | 1 | Laerskool Welgemoed Rapid 2024 (U12) | Six Gun Grill Summer Sport Festival Chess Championships 2025 (Team U13) | Details |
| Rapid | 3 | Claassen, J (Jeneva) | 2 | 1 | 1 | Six Gun Grill Summer Sport Festival Chess Championships 2025 (Team U13) | Six Gun Grill Summer Sport Festival Chess Championships 2025 (Individual U13 Girls) | Details |