PLAYER PAGE
Janu Van Der Westhuizen
110093070Sedibeng (GSV)Personal
Main rating
| Rating | 1225.3 |
| K-factor | 36 |
| Floor | 788.8 |
| Highest | 1308.5 (2023-08-01) |
| Min/Max +/- allowed | 142 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 914.8 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1225.3 |
| K-factor | 36 |
| Floor | 788.8 |
| Highest | 1308.5 (2023-08-01) |
| Min/Max +/- allowed | 142.1 |
Standard rating
| Rating | 1212.6 |
| K-factor | 36 |
| Floor | 781.2 |
| Highest | 1292.5 (2023-08-01) |
| Min/Max +/- allowed | 145.3 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 914.8 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1212.6 |
| K-factor | 36 |
| Floor | 781.2 |
| Highest | 1292.5 (2023-08-01) |
| Min/Max +/- allowed | 145.3 |
Rapid rating
| Rating | 613.6 |
| K-factor | 40 |
| Floor | 500 |
| Highest | 1200 (2020-01-01) |
| 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 | 613.6 |
| K-factor | 40 |
| Floor | 500 |
| Highest | 1200 (2020-01-01) |
| Min/Max +/- allowed | 165.8 |
Blitz rating
| Rating | 500 |
| K-factor | 40 |
| Floor | 500 |
| Highest | 1200 (2024-02-01) |
| 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 | 500 |
| K-factor | 40 |
| Floor | 500 |
| Highest | 1200 (2024-02-01) |
| Min/Max +/- allowed | 165.8 |
Rating Graph
Tournaments
| # | Tournament | Type | Start | End | Host | Rounds | Rating | Games | Score | Perform | Rat+/- | Details |
| # | Tournament | Type | Start | End | Host | Rounds | Rating | Games | Score | Perform | Rat+/- | Details |
| 1 | Gauteng Inter-Region at UJ 2024 (U18 Candidates) | Standard | 2024-12-07 | 2024-12-08 | Johannesburg Metro (GJM) | 5 | 1196 | 5 | 0 | 958.5 | 0 | Details |
| 2 | Queens Gambit Chess Open 2024 (B) | Standard | 2024-11-23 | 2024-11-23 | Sedibeng (GSV) | 5 | 1244.7 | 5 | 1 | 960.7 | 0 | Details |
| 3 | NWU Vaal Chess Open 12 Oct 2024 (D) | Standard | 2024-10-12 | 2024-10-12 | Sedibeng (GSV) | 5 | 1227.7 | 4 | 2 | 1350.5 | 0 | Details |
| 4 | 2024 Gauteng Inter-Region Chess Championship (U14B) | Standard | 2024-01-13 | 2024-01-14 | Tshwane (GTP) | 5 | 1252.7 | 5 | 1.5 | 1135 | 0 | Details |
| 5 | Queens Gambit Chess Open 2023 (C) | Standard | 2023-11-25 | 2023-11-25 | Sedibeng (GSV) | 5 | 1265.5 | 4 | 2 | 1172.6 | 0 | Details |
| 6 | NWU Vaal Open 2023 (C) | Standard | 2023-10-14 | 2023-10-14 | Sedibeng (GSV) | 5 | 1288.8 | 5 | 2 | 1161.1 | 0 | Details |
| 7 | 2023 Sedibeng West District Schools Chess Tournament (U13) | Standard | 2023-08-12 | 2023-08-12 | Sedibeng (GSV) | 5 | 1248.2 | 5 | 4 | 1469.9 | 0 | Details |
| 8 | Overvaal Ope Jul 2023 (C) | Standard | 2023-07-22 | 2023-07-22 | Sedibeng (GSV) | 5 | 1235.4 | 5 | 2.5 | 1300.9 | 0 | Details |
| 9 | VaalPark Primary Open Chess 2023 (B) | Rapid | 2023-06-16 | 2023-06-16 | Sedibeng (GSV) | 5 | 1215.4 | 5 | 3 | 1334.8 | 0 | Details |
| 10 | D8 Schools Individuals 2023 (U13 Boys) | Standard | 2023-05-20 | 2023-05-20 | West Rand (GWR) | 5 | 1252.2 | 5 | 4.5 | 1534 | 0 | Details |
| 11 | Valia's Chess Tournament 2023 (C) | Standard | 2023-05-06 | 2023-05-06 | Sedibeng (GSV) | 5 | 1252.2 | 5 | 2 | 1107.2 | 0 | Details |
| 12 | Driehoek Open Chess Tournament 2023 (C) | Standard | 2023-09-13 | 2023-09-13 | Sedibeng (GSV) | 5 | 1252.2 | 5 | 2.5 | 1206.5 | 0 | Details |
| 13 | Gauteng Schools Individual Finals 2023 (U13 Boys) | Standard | 2023-05-26 | 2023-05-26 | Ekurhuleni (GE) | 5 | 1252.2 | 5 | 1 | 934.1 | 0 | Details |
| 14 | Overvaal Open 2023 (D) | Standard | 2023-04-15 | 2023-04-15 | Sedibeng (GSV) | 5 | 1219.6 | 5 | 3 | 1399.1 | 0 | Details |
| 15 | 2022 Gauteng Schools Team Championships (U13 Open) | Standard | 2022-08-27 | 2022-08-27 | Tshwane (GTP) | 5 | 1233 | 5 | 2 | 1147.8 | 0 | Details |
| 16 | Dirk De Koster Chess Open 2022 (D) | Standard | 2022-04-23 | 2022-04-23 | Ekurhuleni (GE) | 5 | 1201 | 5 | 3.5 | 1388.3 | 0 | Details |
| 17 | Midvaal Ope 2022 (D) | Standard | 2022-01-29 | 2022-01-29 | Sedibeng (GSV) | 5 | 1158.5 | 5 | 3.5 | 1369 | 0 | Details |
| 18 | Carel`s Open 2020 (C) | Standard | 2020-02-29 | 2020-02-29 | Sedibeng (GSV) | 5 | 1151.2 | 5 | 2 | 1095.1 | 0 | Details |
| 19 | AG Visser 2020 (C) | Standard | 2020-02-22 | 2020-02-22 | Sedibeng (GSV) | 5 | 1151.2 | 5 | 3 | 1234.2 | 0 | Details |
| 20 | Midvaal Chess Open 2020 (C) | Standard | 2020-01-25 | 2020-01-25 | Sedibeng (GSV) | 5 | 996 | 5 | 3 | 1182.8 | 0 | Details |
| 21 | 2019 South African Junior Team Championships (U10C) | Classical | 2020-01-04 | 2020-01-08 | 4 Knights (4K) | 7 | 996 | 7 | 5.5 | 1356.4 | 0 | Details |
| 22 | Fonteine Ope 2019 (D) | Standard | 2019-10-19 | 2019-10-19 | Sedibeng (GSV) | 5 | 1034.2 | 5 | 2 | 1009 | 0 | Details |
| 23 | GE vs GSV Inter Regional 2019 (U10B) | Standard | 2019-10-26 | 2019-10-26 | Ekurhuleni (GE) | 5 | 1034.2 | 5 | 1 | 849.8 | 0 | Details |
| 24 | Sedibeng Heritageday Open 2019 (B) | Standard | 2019-09-24 | 2019-09-24 | Sedibeng (GSV) | 5 | 1083.7 | 5 | 1 | 837.7 | 0 | Details |
| 25 | D7 Primary School League 2019 (U9) | Standard | 2019-08-03 | 2019-08-03 | Sedibeng (GSV) | 5 | 1025.3 | 5 | 3.5 | 1306.7 | 0 | Details |
| 26 | Drie Riviere Open 2019 (D) | Standard | 2019-06-08 | 2019-06-08 | Sedibeng (GSV) | 5 | 1084.1 | 4 | 0 | 709.1 | 0 | Details |
| 27 | Word of Life 2019 (D) | Standard | 2019-05-11 | 2019-05-11 | Sedibeng (GSV) | 5 | 933.3 | 5 | 2 | 1040.8 | 0 | Details |
| 28 | D7 Individuals 2019 (U9 Boys) | Standard | 2019-05-04 | 2019-05-04 | Sedibeng (GSV) | 5 | 933.3 | 5 | 3 | 1276.9 | 0 | Details |
| 29 | Dirk de Koster Chess Open 2019 (E) | Standard | 2019-04-13 | 2019-04-13 | Sedibeng (GSV) | 5 | 726.7 | 5 | 4 | 1416.1 | 0 | Details |
| 30 | AG Visser Skaak Ope 2019 (F) | Standard | 2019-02-23 | 2019-02-23 | Sedibeng (GSV) | 5 | 611.6 | 5 | 1 | 703.3 | 0 | Details |
| 31 | Fonteine Open 2018 (D) | Standard | 2018-10-13 | 2018-10-13 | Sedibeng (GSV) | 5 | 555.8 | 5 | 2 | 1115 | 0 | Details |
| 32 | 2018 Sedibeng Summer Open (I) | Standard | 2018-10-20 | 2018-10-20 | Sedibeng (GSV) | 5 | 555.8 | 5 | 0 | 541 | 0 | Details |
| 33 | TST-MSA Tournament 2018 (F) | Standard | 2018-07-21 | 2018-07-21 | Sedibeng (GSV) | 5 | 543.8 | 4 | 0.5 | 688.2 | 0 | Details |
| 34 | Heidelberg Skaak Klub 2018 (Team 17) | Standard | 2018-05-05 | 2018-05-05 | Sedibeng (GSV) | 5 | 500 | 4 | 1.5 | 967.2 | 0 | Details |
| 35 | 2017 Gauteng Schools Team Finals (U9 Mixed) | Standard | 2017-09-09 | 2017-09-09 | Tshwane (GTP) | 5 | 500 | 2 | 1 | 525 | 0 | Details |
| 36 | Laer Volkskool Open Tournament 2017 (F) | Standard | 2017-08-19 | 2017-08-19 | Sedibeng (GSV) | 5 | 0 | 4 | 3 | 529 | 0 | 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 | 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 (History)
| Games | 167 |
| Wins | 68 |
| Draws | 14 |
| Losses | 85 |
| White | 77 |
| Black | 90 |
| White wins | 28 |
| Black wins | 40 |
| Score | 75 |
| Percent | 44.9 |
| Dp | -43.3 |
| AOR | 1175.7 |
| Performance | 1132.5 |
Rankings (Main)
| National | |
| Overall | 10186 |
| Gender | 8168 |
| Age group | 1620 |
| Gender/Age | 1285 |
| Provincial | |
| Overall | 3430 |
| Gender | 2724 |
| Age group | 608 |
| Gender/Age | 488 |
| Regional | |
| Overall | 392 |
| Gender | 321 |
| Age group | 74 |
| Gender/Age | 56 |
Rankings (Standard)
| National | |
| Overall | 9169 |
| Gender | 7206 |
| Age group | 1508 |
| Gender/Age | 1174 |
| Provincial | |
| Overall | 3277 |
| Gender | 2549 |
| Age group | 592 |
| Gender/Age | 466 |
| Regional | |
| Overall | 384 |
| Gender | 303 |
| Age group | 76 |
| Gender/Age | 56 |
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 | 0 |
| Score | 0 |
| Percent | 0 |
| Aor | 0 |
| Dp | 0 |
| Prat | 0 |
Performance (12 months)
| Games | 0 |
| Score | 0 |
| Percent | 0 |
| Aor | 0 |
| Dp | 0 |
| Prat | 0 |
Performance (History)
| Games | 167 |
| Score | 75 |
| Percent | 44.9 |
| Aor | 1175.7 |
| Dp | -43.3 |
| Prat | 1132.5 |
Top 5 opponents most often played
| Type | # | Opponent | Games | White | Black | First tournament | Last tournament | Details |
| Overall | 1 | Odendaal, H (Hayden) | 4 | 1 | 3 | Dirk de Koster Chess Open 2019 (E) | VaalPark Primary Open Chess 2023 (B) | Details |
| Overall | 2 | De Lange, H (Henro) | 3 | 1 | 2 | TST-MSA Tournament 2018 (F) | AG Visser 2020 (C) | Details |
| Overall | 3 | Smith, KE (Kaiden Elljay) | 3 | 1 | 2 | Dirk De Koster Chess Open 2022 (D) | Overvaal Ope Jul 2023 (C) | Details |
| Overall | 4 | Kotzee, A (Armand) | 3 | 1 | 2 | AG Visser Skaak Ope 2019 (F) | Overvaal Open 2023 (D) | Details |
| Overall | 5 | Mojaju, K (Kelebogile) | 2 | 2 | 0 | NWU Vaal Open 2023 (C) | Queens Gambit Chess Open 2024 (B) | Details |
| Standard | 1 | Odendaal, H (Hayden) | 3 | 1 | 2 | Dirk de Koster Chess Open 2019 (E) | Midvaal Ope 2022 (D) | Details |
| Standard | 2 | Smith, KE (Kaiden Elljay) | 3 | 1 | 2 | Dirk De Koster Chess Open 2022 (D) | Overvaal Ope Jul 2023 (C) | Details |
| Standard | 3 | Kotzee, A (Armand) | 3 | 1 | 2 | AG Visser Skaak Ope 2019 (F) | Overvaal Open 2023 (D) | Details |
| Standard | 4 | De Lange, H (Henro) | 3 | 1 | 2 | TST-MSA Tournament 2018 (F) | AG Visser 2020 (C) | Details |
| Standard | 5 | Van Biljon, J (Jessica) | 2 | 1 | 1 | TST-MSA Tournament 2018 (F) | D7 Primary School League 2019 (U9) | Details |