PLAYER PAGE
Ruan Kotze
110086188Mangaung (FMB)Personal
Main rating
| Rating | 1391.7 |
| K-factor | 32 |
| Floor | 961.5 |
| Highest | 1477.4 (2019-07-01) |
| Min/Max +/- allowed | 112 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 1227.6 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1391.7 |
| K-factor | 32 |
| Floor | 961.5 |
| Highest | 1477.4 (2019-07-01) |
| Min/Max +/- allowed | 111.7 |
Standard rating
| Rating | 1396.3 |
| K-factor | 32 |
| Floor | 957.2 |
| Highest | 1473 (2019-07-01) |
| Min/Max +/- allowed | 112.4 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 1184.4 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1396.3 |
| K-factor | 32 |
| Floor | 957.2 |
| Highest | 1473 (2019-07-01) |
| Min/Max +/- allowed | 112.4 |
Rapid rating
| Rating | 1351.7 |
| K-factor | 36 |
| Floor | 882.9 |
| Highest | 1396.9 (2024-02-01) |
| Min/Max +/- allowed | 125.3 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 1158.6 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1351.7 |
| K-factor | 36 |
| Floor | 882.9 |
| Highest | 1396.9 (2024-02-01) |
| Min/Max +/- allowed | 125.3 |
Blitz rating
| Rating | 811.8 |
| K-factor | 40 |
| Floor | 500 |
| Highest | 1200 (2018-02-01) |
| 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 | 811.8 |
| K-factor | 40 |
| Floor | 500 |
| Highest | 1200 (2018-02-01) |
| 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 | Bloemfontein Highschools Chess Teams 2026 (Grade 11-12) | Rapid | 2026-08-15 | 2026-08-15 | Mangaung (FMB) | 4 | 1391.7 | 4 | 3 | 1438.2 | 7.9 | Details |
| 2 | Inter Regional Chess Championship 2026 (Team U18) | Standard | 2026-05-22 | 2026-05-23 | Mangaung (FMB) | 5 | 1409.7 | 5 | 2 | 1238.1 | -25.8 | Details |
| 3 | Grey College Team Championship 2026 (A) | Standard | 2026-02-20 | 2026-02-21 | Mangaung (FMB) | 5 | 1411.7 | 5 | 2 | 1239.3 | -16.5 | Details |
| 4 | Grey College Team Championship 2025 (Prestige) | Standard | 2025-02-21 | 2025-02-22 | Mangaung (FMB) | 5 | 1421.2 | 5 | 2.5 | 1341.5 | -7.1 | Details |
| 5 | Bloemfontein Highschool League 02 Aug 2024 (U19A) | Rapid | 2024-08-02 | 2024-08-02 | Mangaung (FMB) | 5 | 1421.3 | 5 | 3.5 | 1425.3 | -0.1 | Details |
| 6 | Spartan Bishops Chess Championships 2024 (Knights) | Standard | 2024-05-04 | 2024-05-05 | Bojanala Platina (NBR) | 5 | 1374 | 5 | 4 | 1670.3 | 29.5 | Details |
| 7 | Mangaung Metro Chess 12-13 April 2024 (B) | Standard | 2024-04-12 | 2024-04-13 | Mangaung (FMB) | 5 | 1350.3 | 5 | 4 | 1505.2 | 14.8 | Details |
| 8 | Bloemfontein Highschool League 2024 (U17A) | Rapid | 2024-03-08 | 2024-03-08 | Mangaung (FMB) | 5 | 1371.5 | 4 | 1 | 1008.1 | -13.2 | Details |
| 9 | Mangaung Metro Chess 10 February 2024 (B) | Rapid | 2024-02-10 | 2024-02-10 | Mangaung (FMB) | 5 | 1279.7 | 5 | 4 | 1495 | 16.4 | Details |
| 10 | Grey College Team Championship 2024 (B) | Standard | 2024-02-23 | 2024-02-24 | Mangaung (FMB) | 5 | 1279.7 | 5 | 4.5 | 1496.7 | 20.6 | Details |
| 11 | Bloemfontein High School League 16 February 2024 (U15A) | Rapid | 2024-02-16 | 2024-02-16 | Mangaung (FMB) | 5 | 1279.7 | 5 | 5 | 1606.7 | 15.3 | Details |
| 12 | Kings & Queens Chess 27 January 2024 (B) | Rapid | 2024-01-27 | 2024-01-27 | Mangaung (FMB) | 5 | 1270 | 5 | 3 | 1358.1 | 6 | Details |
| 13 | Morris Club Championship 2023 | Rapid | 2023-07-28 | 2023-07-28 | Mangaung (FMB) | 5 | 1290.6 | 5 | 2 | 1107.6 | -12.9 | Details |
| 14 | Inter Regional Chess Championship 2023 (U14) | Standard | 2023-05-19 | 2023-05-20 | Mangaung (FMB) | 5 | 1296.8 | 5 | 3 | 1265.6 | -3.7 | Details |
| 15 | 2022 South African Junior Team Chess Championships (U14 Open) | Classical | 2022-12-04 | 2022-12-08 | 4 Knights (4K) | 7 | 1284.6 | 6 | 3.5 | 1339.3 | 7.8 | Details |
| 16 | Mangaung Metro Chess 30 July 2022 (B) | Rapid | 2022-07-30 | 2022-07-30 | Mangaung (FMB) | 5 | 1341.5 | 5 | 1 | 865 | -35.4 | Details |
| 17 | Mangaung Metro Chess 22 January 2022 (B) | Rapid | 2022-01-22 | 2022-01-22 | Mangaung (FMB) | 5 | 1358.2 | 5 | 3 | 1221.7 | -10.4 | Details |
| 18 | Mangaung Metro Chess February 2020 (D) | Standard | 2020-02-21 | 2020-02-22 | Mangaung (FMB) | 5 | 1357.1 | 5 | 3.5 | 1370.7 | 0.8 | Details |
| 19 | Mangaung Metro Chess 17-18 January 2020 (D) | Standard | 2020-01-17 | 2020-01-18 | Mangaung (FMB) | 5 | 1439.7 | 5 | 4.5 | 1548.8 | 10.8 | Details |
| 20 | 2019 South African Junior Team Championships (U10D) | Classical | 2020-01-04 | 2020-01-08 | 4 Knights (4K) | 7 | 1439.7 | 6 | 1.5 | 997.6 | -62 | Details |
| 21 | Mangaung Metro Chess October 2019 (D) | Standard | 2019-10-11 | 2019-10-12 | Mangaung (FMB) | 5 | 1461.5 | 5 | 3.5 | 1303 | -13.8 | Details |
| 22 | Mangaung Metro July Trials 2019 (U10) | Standard | 2019-07-19 | 2019-07-20 | Mangaung (FMB) | 5 | 1358 | 5 | 5 | 1675.3 | 32.1 | Details |
| 23 | Mangaung Metro Chess 31 May to 1 June 2019 (E) | Standard | 2019-05-31 | 2019-06-01 | Mangaung (FMB) | 5 | 1297 | 5 | 4 | 1427 | 12.3 | Details |
| 24 | Inter Regional Chess Championship 2019 (U10) | Standard | 2019-05-10 | 2019-05-11 | Mangaung (FMB) | 5 | 1221.6 | 5 | 4 | 1392.2 | 17.4 | Details |
| 25 | Mangaung Metro Chess 15-16 March 2019 (E) | Standard | 2019-03-15 | 2019-03-16 | Mangaung (FMB) | 5 | 1092.2 | 5 | 4 | 1413.4 | 30.9 | Details |
| 26 | Mangaung Metro Chess 1-2 February 2019 (E) | Standard | 2019-02-01 | 2019-02-02 | Mangaung (FMB) | 5 | 980.4 | 5 | 4 | 1321.1 | 34.3 | Details |
| 27 | Mangaung Metro Chess12 & 13 October 2018 (E) | Standard | 2018-10-12 | 2018-10-13 | Mangaung (FMB) | 5 | 788.4 | 5 | 4 | 1366.8 | 55.8 | Details |
| 28 | Mangaung Metro Chess 27-28 July 2018 (D) | Standard | 2018-07-27 | 2018-07-28 | Mangaung (FMB) | 5 | 694.6 | 5 | 2 | 804.9 | 9.6 | Details |
| 29 | Smart Chess Blitz 2018 (U10) | Blitz | 2018-03-03 | 2018-03-03 | Mangaung (FMB) | 7 | 625 | 7 | 6 | 1161.3 | 14.2 | Details |
| 30 | Mangaung Metro Chess 9 - 10 March 2018 (D) | Standard | 2018-03-09 | 2018-03-10 | Mangaung (FMB) | 5 | 625 | 5 | 2.5 | 900.9 | 20.5 | Details |
| 31 | Mangaung Metro Chess 2 & 3 February 2018 (D) | Standard | 2018-02-02 | 2018-02-03 | Mangaung (FMB) | 5 | 610.2 | 5 | 3 | 678.5 | 7.4 | Details |
| 32 | South African Junior Team Championships 2017 (U8B+U8 Girls) | Classical | 2018-01-04 | 2018-01-08 | 4 Knights (4K) | 7 | 668.2 | 6 | 2 | 500 | -29 | Details |
| 33 | Mangaung Metro Chess 13&14 October 2017 (D) | Standard | 2017-10-13 | 2017-10-14 | Mangaung (FMB) | 5 | 665 | 5 | 3 | 677 | 1.3 | Details |
| 34 | Mangaung Metro Chess 25 & 26 August 2017 (F) | Standard | 2017-08-24 | 2017-08-25 | Mangaung (FMB) | 5 | 567 | 5 | 5 | 978 | 41.1 | Details |
| 35 | Mangaung Metro Chess 28 To 29 July 2017 (D) | Standard | 2017-07-28 | 2017-07-29 | Mangaung (FMB) | 5 | 650 | 5 | 1 | 500 | -34.8 | Details |
| 36 | 2017 Inter-Regional (Under 8 Boys Open) | Standard | 2017-05-12 | 2017-05-13 | Bojanala Platina (NBR) | 5 | 627 | 5 | 3 | 713 | 9.6 | Details |
| 37 | Mangaung Metro Chess 10 & 11 March 2017 (E) | Standard | 2017-03-10 | 2017-03-11 | Mangaung (FMB) | 5 | 0 | 3 | 3 | 923 | 50.4 | Details |
| 38 | Mangaung Metro Chess 24-25 February 2017 (F) | Standard | 2017-02-24 | 2017-02-25 | Mangaung (FMB) | 5 | 0 | 5 | 4 | 876 | 67.2 | Details |
| 39 | Mangaung Metro January 2017 (U10) | Standard | 2017-01-20 | 2017-01-21 | Mangaung (FMB) | 5 | 0 | 5 | 3 | 572 | 50.4 | 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 | 14 |
| Wins | 5 |
| Draws | 4 |
| Losses | 5 |
| White | 6 |
| Black | 8 |
| White wins | 2 |
| Black wins | 3 |
| Score | 7 |
| Percent | 50 |
| Dp | 0 |
| AOR | 1295.7 |
| Performance | 1295.7 |
Game statistics (History)
| Games | 163 |
| Wins | 96 |
| Draws | 17 |
| Losses | 50 |
| White | 81 |
| Black | 82 |
| White wins | 50 |
| Black wins | 46 |
| Score | 104.5 |
| Percent | 64.1 |
| Dp | 119.9 |
| AOR | 1137.1 |
| Performance | 1257.1 |
Rankings (Main)
| National | |
| Overall | 3770 |
| Gender | 3180 |
| Age group | 563 |
| Gender/Age | 466 |
| Provincial | |
| Overall | 93 |
| Gender | 87 |
| Age group | 15 |
| Gender/Age | 12 |
| Regional | |
| Overall | 60 |
| Gender | 58 |
| Age group | 9 |
| Gender/Age | 8 |
Rankings (Standard)
| National | |
| Overall | 3276 |
| Gender | 2732 |
| Age group | 488 |
| Gender/Age | 403 |
| Provincial | |
| Overall | 84 |
| Gender | 79 |
| Age group | 14 |
| Gender/Age | 11 |
| Regional | |
| Overall | 54 |
| Gender | 52 |
| Age group | 9 |
| Gender/Age | 8 |
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 | 14 |
| Score | 7 |
| Percent | 50 |
| Aor | 1295.7 |
| Dp | 0 |
| Prat | 1295.7 |
Performance (12 months)
| Games | 14 |
| Score | 7 |
| Percent | 50 |
| Aor | 1295.7 |
| Dp | 0 |
| Prat | 1295.7 |
Performance (History)
| Games | 163 |
| Score | 104.5 |
| Percent | 64.1 |
| Aor | 1137.1 |
| Dp | 119.9 |
| Prat | 1257.1 |
Top 5 opponents most often played
| Type | # | Opponent | Games | White | Black | First tournament | Last tournament | Details |
| Overall | 1 | Pelesa, O (Oratilwe) | 4 | 3 | 1 | Mangaung Metro Chess12 & 13 October 2018 (E) | Mangaung Metro Chess 12-13 April 2024 (B) | Details |
| Overall | 2 | Lottering, JG (Gerhard) | 3 | 2 | 1 | Smart Chess Blitz 2018 (U10) | Mangaung Metro Chess 22 January 2022 (B) | Details |
| Overall | 3 | De Villiers, H (Hj) | 3 | 1 | 2 | Mangaung Metro Chess 31 May to 1 June 2019 (E) | Mangaung Metro Chess October 2019 (D) | Details |
| Overall | 4 | Melville, J (Jason) | 3 | 1 | 2 | Smart Chess Blitz 2018 (U10) | Kings & Queens Chess 27 January 2024 (B) | Details |
| Overall | 5 | Colbert, A (Ashlynne) | 3 | 1 | 2 | Mangaung Metro July Trials 2019 (U10) | Inter Regional Chess Championship 2026 (Team U18) | Details |
| Standard | 1 | Colbert, A (Ashlynne) | 3 | 1 | 2 | Mangaung Metro July Trials 2019 (U10) | Inter Regional Chess Championship 2026 (Team U18) | Details |
| Standard | 2 | De Villiers, H (Hj) | 3 | 1 | 2 | Mangaung Metro Chess 31 May to 1 June 2019 (E) | Mangaung Metro Chess October 2019 (D) | Details |
| Standard | 3 | Steyn, J (Johannes) | 3 | 1 | 2 | Mangaung Metro Chess 31 May to 1 June 2019 (E) | Mangaung Metro Chess October 2019 (D) | Details |
| Standard | 4 | Pelesa, O (Oratilwe) | 3 | 2 | 1 | Mangaung Metro Chess12 & 13 October 2018 (E) | Mangaung Metro Chess 12-13 April 2024 (B) | Details |
| Standard | 5 | Swanepoel, W (Wj) | 2 | 0 | 2 | Mangaung Metro Chess12 & 13 October 2018 (E) | Mangaung Metro Chess 15-16 March 2019 (E) | Details |
| Rapid | 1 | Kriel, R (Ruan) | 2 | 0 | 2 | Mangaung Metro Chess 22 January 2022 (B) | Mangaung Metro Chess 30 July 2022 (B) | Details |
| Rapid | 2 | Weng, Q (Qi) | 2 | 2 | 0 | Kings & Queens Chess 27 January 2024 (B) | Mangaung Metro Chess 10 February 2024 (B) | Details |
| Rapid | 3 | Alrich, A (Alsanio) | 2 | 1 | 1 | Mangaung Metro Chess 22 January 2022 (B) | Mangaung Metro Chess 30 July 2022 (B) | Details |
| Rapid | 4 | Melville, J (Jason) | 2 | 1 | 1 | Mangaung Metro Chess 30 July 2022 (B) | Kings & Queens Chess 27 January 2024 (B) | Details |
| Rapid | 5 | Pretorius, A (Ane) | 2 | 2 | 0 | Mangaung Metro Chess 30 July 2022 (B) | Bloemfontein Highschool League 02 Aug 2024 (U19A) | Details |