PLAYER PAGE
Ralph Botha
181084295Eden (WEG)Personal
Main rating
| Rating | 1672.4 |
| K-factor | 28 |
| Floor | 1198.9 |
| Highest | 1698.9 (2024-01-01) |
| Min/Max +/- allowed | 81 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 1289.8 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1672.4 |
| K-factor | 28 |
| Floor | 1198.9 |
| Highest | 1698.9 (2024-01-01) |
| Min/Max +/- allowed | 81.5 |
Standard rating
| Rating | 1636.4 |
| K-factor | 28 |
| Floor | 1148.4 |
| Highest | 1648.4 (2024-01-01) |
| Min/Max +/- allowed | 87.5 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 1185.9 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1636.4 |
| K-factor | 28 |
| Floor | 1148.4 |
| Highest | 1648.4 (2024-01-01) |
| Min/Max +/- allowed | 87.5 |
Rapid rating
| Rating | 1203.6 |
| K-factor | 36 |
| Floor | 703.6 |
| Highest | 1554.2 (2018-07-01) |
| Min/Max +/- allowed | 100.1 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 1086.1 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1203.6 |
| K-factor | 36 |
| Floor | 703.6 |
| Highest | 1554.2 (2018-07-01) |
| Min/Max +/- allowed | 100.1 |
Blitz rating
| Rating | 1730.6 |
| K-factor | 24 |
| Floor | 1343.2 |
| Highest | 1843.2 (2024-02-01) |
| Min/Max +/- allowed | 66.3 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 1433.1 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1730.6 |
| K-factor | 24 |
| Floor | 1343.2 |
| Highest | 1843.2 (2024-02-01) |
| Min/Max +/- allowed | 66.3 |
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 | Pacaltsdorp Open 2025 (Open) | Blitz | 2025-08-29 | 2025-08-29 | Eden (WEG) | 7 | 1674.9 | 7 | 4 | 1550.7 | 0 | Details |
| 2 | Eden Gambit Chess Tournament 2024 (Blitz) | Blitz | 2024-11-01 | 2024-11-01 | Eden (WEG) | 7 | 1674.9 | 0 | 0 | 0 | 0 | Details |
| 3 | InterClub Blitz 4 2024 | Blitz | 2024-09-04 | 2024-09-04 | Eden (WEG) | 10 | 1670.8 | 8 | 6 | 1755.6 | 0 | Details |
| 4 | InterClub Blitz 3 Open 2024 | Blitz | 2024-07-18 | 2024-07-18 | Eden (WEG) | 10 | 1671.5 | 8 | 5 | 1656.9 | 0 | Details |
| 5 | InterClub Blitz 2 2024 | Blitz | 2024-05-16 | 2024-05-16 | Eden (WEG) | 10 | 1672.4 | 8 | 5 | 1651.8 | 0 | Details |
| 6 | InterClub Blitz 1 2024 | Blitz | 2024-04-17 | 2024-04-17 | Eden (WEG) | 10 | 1681 | 8 | 4.5 | 1615.1 | 0 | Details |
| 7 | Waboomskraal Chess Club Open 2024 | Rapid | 2024-04-06 | 2024-04-06 | Eden (WEG) | 7 | 1681 | 7 | 4 | 1617.3 | 0 | Details |
| 8 | Southern Knights Blitz 2024 (Open) | Blitz | 2024-02-23 | 2024-02-23 | Eden (WEG) | 9 | 1684.9 | 8 | 4 | 1602 | 0 | Details |
| 9 | Eden Closed 2024 (Men) | Standard | 2024-01-20 | 2024-01-21 | Eden (WEG) | 6 | 1698.9 | 6 | 3.5 | 1623.6 | 0 | Details |
| 10 | Mossel Bay Open 2023 (A) | Standard | 2023-09-30 | 2023-10-01 | Eden (WEG) | 6 | 1551.8 | 6 | 2 | 1409.8 | 0 | Details |
| 11 | Mossel Bay Open 2023 (Blitz) | Blitz | 2023-09-29 | 2023-09-29 | Eden (WEG) | 6 | 1543.6 | 6 | 4 | 1722.8 | 0 | Details |
| 12 | Pacaltsdorp Chess Club Open 2023 (A) | Rapid | 2023-08-26 | 2023-08-26 | Eden (WEG) | 6 | 1559.1 | 6 | 2 | 1370.7 | 0 | Details |
| 13 | Pacaltsdorp Chess Club Open 2023 (Blitz) | Blitz | 2023-08-25 | 2023-08-25 | Eden (WEG) | 6 | 1559.1 | 6 | 5 | 1756.2 | 0 | Details |
| 14 | Knysna Oyster Festival 2023 (Open) | Rapid | 2023-07-01 | 2023-07-01 | Eden (WEG) | 6 | 1607.1 | 6 | 2 | 1196.9 | 0 | Details |
| 15 | Inter Club Blitz 2 2023 (Open) | Blitz | 2023-06-21 | 2023-06-21 | Eden (WEG) | 10 | 1611.2 | 8 | 4 | 1524 | 0 | Details |
| 16 | Inter Club Blitz 1 2023 | Blitz | 2023-05-24 | 2023-05-24 | Eden (WEG) | 10 | 1611.6 | 8 | 4 | 1603.2 | 0 | Details |
| 17 | Western Cape Inter Regional 2023 (Senior Men) | Standard | 2023-03-18 | 2023-03-19 | Eden (WEG) | 5 | 1589 | 4 | 3 | 1732.2 | 0 | Details |
| 18 | George Open 2022 (A) | Standard | 2022-12-03 | 2022-12-03 | Eden (WEG) | 5 | 1559.3 | 5 | 4 | 1742.1 | 0 | Details |
| 19 | Interclub Blitz Evening (Mossel Bay) | Blitz | 2022-10-26 | 2022-10-26 | Eden (WEG) | 6 | 1550.4 | 6 | 5 | 1767.8 | 0 | Details |
| 20 | Pacaltsdorp Chess Club 2022 (A) | Rapid | 2022-08-27 | 2022-08-27 | Eden (WEG) | 6 | 1523.2 | 6 | 4 | 1635 | 0 | Details |
| 21 | Pacaltsdorp Chess Club 2022 (Blitz) | Blitz | 2022-08-26 | 2022-08-26 | Eden (WEG) | 6 | 1523.2 | 6 | 5 | 1756.9 | 0 | Details |
| 22 | Interclub Blitz Evening 2022 | Blitz | 2022-08-11 | 2022-08-11 | Eden (WEG) | 6 | 1523.2 | 6 | 4 | 1621 | 0 | Details |
| 23 | Knysna Oyster Festival Rapid Chess 2022 (A) | Rapid | 2022-07-02 | 2022-07-02 | Eden (WEG) | 5 | 1534 | 5 | 2.5 | 1444.7 | 0 | Details |
| 24 | Interclub Blitz Evening 2022 | Blitz | 2022-06-08 | 2022-06-08 | Eden (WEG) | 6 | 1527.1 | 6 | 5 | 1696.1 | 0 | Details |
| 25 | Interclub Blitz Evening 2022 | Blitz | 2022-05-11 | 2022-05-11 | Eden (WEG) | 6 | 1520.2 | 6 | 5 | 1689 | 0 | Details |
| 26 | Eden Open 2022 (A) | Standard | 2022-04-22 | 2022-04-24 | Eden (WEG) | 6 | 1447 | 6 | 4.5 | 1829.8 | 0 | Details |
| 27 | Western Cape Club Championships 2021 (A) | Standard | 2021-10-15 | 2021-10-17 | Eden (WEG) | 6 | 1417.1 | 6 | 3 | 1584.8 | 0 | Details |
| 28 | Eden Chess League 2021 (Premier) | Standard | 2021-08-14 | 2021-08-15 | Eden (WEG) | 5 | 1420.7 | 5 | 2 | 1392.9 | 0 | Details |
| 29 | Quadrangular Chess Tournament First Leg 2020 | Blitz | 2020-02-12 | 2020-02-12 | Eden (WEG) | 6 | 1420.7 | 6 | 3 | 1420.5 | 0 | Details |
| 30 | Triangular 3 GEO-MOSS-PAC 2019 | Blitz | 2019-10-03 | 2019-10-03 | Eden (WEG) | 8 | 1368.6 | 8 | 3 | 1357.9 | 0 | Details |
| 31 | Mossel Bay Chess Open 2019 (A) | Standard | 2019-10-04 | 2019-10-05 | Eden (WEG) | 6 | 1368.6 | 6 | 3.5 | 1530.7 | 0 | Details |
| 32 | 2019 Western Cape Club Championship (A+B) | Standard | 2019-10-25 | 2019-10-27 | Overberg (WOS) | 6 | 1368.6 | 5 | 3 | 1479.2 | 0 | Details |
| 33 | Pacaltsdorp Open 2019 (A) | Standard | 2019-08-30 | 2019-08-31 | Eden (WEG) | 6 | 1241.5 | 6 | 3 | 1392.8 | 0 | Details |
| 34 | Pacaltsdorp Open 2019 (Blitz) | Blitz | 2019-08-29 | 2019-08-29 | Eden (WEG) | 6 | 1241.5 | 6 | 6 | 1748.8 | 0 | Details |
| 35 | Eden Chess League 2019 (2nd Division) | Rapid | 2019-08-24 | 2019-08-24 | Eden (WEG) | 5 | 1241.5 | 5 | 4.5 | 1620.1 | 0 | Details |
| 36 | Triangular 2 GEO-MOSS-PAC 2019 | Blitz | 2019-05-30 | 2019-05-30 | Eden (WEG) | 5 | 1151.4 | 5 | 4 | 1597.3 | 0 | Details |
| 37 | Triangular 1 GEO-MOSS-PAC 2019 | Blitz | 2019-02-20 | 2019-02-20 | Eden (WEG) | 8 | 1115.8 | 8 | 6.5 | 1528 | 0 | Details |
| 38 | Mossel Bay Open 2018 (A) | Standard | 2018-09-28 | 2018-09-29 | Eden (WEG) | 6 | 1045.4 | 6 | 2.5 | 1350.8 | 0 | Details |
| 39 | Oyster Rapid 2018 | Rapid | 2018-07-07 | 2018-07-07 | Eden (WEG) | 6 | 963.8 | 6 | 5 | 1555.9 | 0 | Details |
| 40 | Pacaltsdorp Chess Club Open 2018 (B) | Standard | 2018-05-25 | 2018-05-26 | Eden (WEG) | 6 | 830 | 5 | 4.5 | 1511.5 | 0 | Details |
| 41 | 2017 Mossel Bay Open (A) | Standard | 2017-09-29 | 2017-09-30 | Eden (WEG) | 6 | 736 | 6 | 3.5 | 1356 | 0 | Details |
| 42 | Eden League 2017 (Premier) | Standard | 2017-09-02 | 2017-09-09 | Eden (WEG) | 5 | 736 | 5 | 4 | 1401 | 0 | Details |
| 43 | Pacaltsdorp Chess Club Open 2017 (A) | Standard | 2017-05-26 | 2017-05-27 | Eden (WEG) | 6 | 500 | 4 | 3.5 | 1526 | 0 | Details |
| 44 | Calitzdorp Chess Open 2017 | Standard | 2017-05-06 | 2017-05-06 | Eden (WEG) | 5 | 500 | 5 | 3 | 1249 | 0 | Details |
| 45 | Eden League 2016 (2Nd Division) | Rapid | 2016-09-10 | 2016-09-10 | South Western Districts (SWD) | 5 | 0 | 5 | 5 | 1365 | 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 | 245 |
| Wins | 149 |
| Draws | 11 |
| Losses | 85 |
| White | 121 |
| Black | 124 |
| White wins | 72 |
| Black wins | 77 |
| Score | 154.5 |
| Percent | 63.1 |
| Dp | 111 |
| AOR | 1470 |
| Performance | 1581.1 |
Rankings (Main)
| National | |
| Overall | 591 |
| Gender | 556 |
| Age group | 330 |
| Gender/Age | 317 |
| Provincial | |
| Overall | 181 |
| Gender | 169 |
| Age group | 107 |
| Gender/Age | 101 |
| Regional | |
| Overall | 20 |
| Gender | 18 |
| Age group | 10 |
| Gender/Age | 10 |
Rankings (Standard)
| 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 (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 | 62 |
| Gender | 62 |
| Age group | 42 |
| Gender/Age | 42 |
| Provincial | |
| Overall | 27 |
| Gender | 27 |
| Age group | 16 |
| Gender/Age | 16 |
| Regional | |
| Overall | 8 |
| Gender | 8 |
| Age group | 4 |
| Gender/Age | 4 |
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 | 7 |
| Score | 4 |
| Percent | 57.1 |
| Aor | 1490 |
| Dp | 60.7 |
| Prat | 1550.7 |
Performance (History)
| Games | 245 |
| Score | 154.5 |
| Percent | 63.1 |
| Aor | 1470 |
| Dp | 111 |
| Prat | 1581.1 |
Top 5 opponents most often played
| Type | # | Opponent | Games | White | Black | First tournament | Last tournament | Details |
| Overall | 1 | Jaars, T (Thomas) | 14 | 8 | 6 | Triangular 1 GEO-MOSS-PAC 2019 | InterClub Blitz 2 2024 | Details |
| Overall | 2 | Taute, C (Clayden) | 12 | 6 | 6 | Pacaltsdorp Chess Club 2022 (A) | InterClub Blitz 4 2024 | Details |
| Overall | 3 | Meyer, PJ (Pravin Jody) | 12 | 6 | 6 | Mossel Bay Open 2018 (A) | Eden Closed 2024 (Men) | Details |
| Overall | 4 | Agulhas, J (Justin) | 10 | 5 | 5 | Pacaltsdorp Open 2019 (Blitz) | InterClub Blitz 4 2024 | Details |
| Overall | 5 | Swartbooi, G (Gabriel) | 7 | 4 | 3 | Oyster Rapid 2018 | Inter Club Blitz 2 2023 (Open) | Details |
| Standard | 1 | Meyer, PJ (Pravin Jody) | 4 | 2 | 2 | Mossel Bay Open 2018 (A) | Eden Closed 2024 (Men) | Details |
| Standard | 2 | Swart, G (George) | 3 | 2 | 1 | Mossel Bay Open 2018 (A) | Eden Open 2022 (A) | Details |
| Standard | 3 | Chaava, A (Aaron) | 2 | 1 | 1 | Pacaltsdorp Open 2019 (A) | Eden Open 2022 (A) | Details |
| Standard | 4 | Oktober, D (Dimitri) | 2 | 0 | 2 | Pacaltsdorp Chess Club Open 2018 (B) | Pacaltsdorp Open 2019 (A) | Details |
| Standard | 5 | Jansen Van Rensburg, R (Ruan) | 2 | 1 | 1 | Pacaltsdorp Chess Club Open 2018 (B) | George Open 2022 (A) | Details |
| Rapid | 1 | Michaels, A (Antonio) | 3 | 1 | 2 | Knysna Oyster Festival Rapid Chess 2022 (A) | Waboomskraal Chess Club Open 2024 | Details |
| Rapid | 2 | Swart, S (Sune) | 2 | 0 | 2 | Eden Chess League 2019 (2nd Division) | Knysna Oyster Festival 2023 (Open) | Details |
| Rapid | 3 | Meyer, J (Jared) | 2 | 2 | 0 | Pacaltsdorp Chess Club 2022 (A) | Pacaltsdorp Chess Club Open 2023 (A) | Details |
| Rapid | 4 | Botes, R (Renier) | 2 | 1 | 1 | Knysna Oyster Festival 2023 (Open) | Waboomskraal Chess Club Open 2024 | Details |
| Rapid | 5 | Borrett, R (Ryan) | 2 | 2 | 0 | Pacaltsdorp Chess Club Open 2023 (A) | Waboomskraal Chess Club Open 2024 | Details |
| Blitz | 1 | Jaars, T (Thomas) | 11 | 5 | 6 | Triangular 1 GEO-MOSS-PAC 2019 | InterClub Blitz 2 2024 | Details |
| Blitz | 2 | Taute, C (Clayden) | 11 | 5 | 6 | Inter Club Blitz 1 2023 | InterClub Blitz 4 2024 | Details |
| Blitz | 3 | Agulhas, J (Justin) | 9 | 4 | 5 | Pacaltsdorp Open 2019 (Blitz) | InterClub Blitz 4 2024 | Details |
| Blitz | 4 | Meyer, PJ (Pravin Jody) | 7 | 4 | 3 | Pacaltsdorp Open 2019 (Blitz) | Mossel Bay Open 2023 (Blitz) | Details |
| Blitz | 5 | Barnard, B (Brendon) | 6 | 3 | 3 | Quadrangular Chess Tournament First Leg 2020 | Interclub Blitz Evening 2022 | Details |