PLAYER PAGE
Rico Roos
101032541Overberg (WOS)Personal
Main rating
| Rating | 1260.3 |
| K-factor | 36 |
| Floor | 745.2 |
| Highest | 1269.8 (2018-04-01) |
| Min/Max +/- allowed | 150 |
| Rating Change () | |
| Games | 9 |
| Score | 6 |
| We | 3.09 |
| SWe | 2.91 |
| Temp +/- | 104.8 |
| Penalties | 0 |
| Weight perform | 1296.6 |
| Final +/- | +104.8 |
| New Rating () | |
| Rating | 1365.1 |
| K-factor | 36 |
| Floor | 865.1 |
| Highest | 1365.1 (2026-07-01) |
| Min/Max +/- allowed | 131.1 |
Standard rating
| Rating | 1192.8 |
| K-factor | 36 |
| Floor | 756 |
| Highest | 1275.8 (2018-04-01) |
| Min/Max +/- allowed | 148.8 |
| Rating Change () | |
| Games | 9 |
| Score | 6 |
| We | 2.45 |
| SWe | 3.55 |
| Temp +/- | 127.7 |
| Penalties | 0 |
| Weight perform | 725.1 |
| Final +/- | +127.7 |
| New Rating () | |
| Rating | 1320.5 |
| K-factor | 36 |
| Floor | 820.5 |
| Highest | 1320.5 (2026-07-01) |
| Min/Max +/- allowed | 139.7 |
Rapid rating
| Rating | 1290.3 |
| K-factor | 36 |
| Floor | 790.3 |
| Highest | 1290.3 (2026-04-01) |
| Min/Max +/- allowed | 145.8 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 0 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1290.3 |
| K-factor | 36 |
| Floor | 790.3 |
| Highest | 1290.3 (2026-04-01) |
| Min/Max +/- allowed | 145.8 |
Blitz rating
| Rating | 1070.6 |
| K-factor | 40 |
| Floor | 625 |
| Highest | 1200 (2024-03-01) |
| 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 | 1070.6 |
| K-factor | 40 |
| Floor | 625 |
| Highest | 1200 (2024-03-01) |
| 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 (Intermediate) | Classical | 2026-06-28 | 2026-07-05 | Cape Town (WCT) | 9 | 1260.3 | 9 | 6 | 1540.6 | 104.8 | Details |
| # | Tournament | Type | Start | End | Host | Rounds | Rating | Games | Score | Perform | Rat+/- | Details |
| 1 | Hermanus Chess Club Open 2026 (Intermediate) | Rapid | 2026-04-18 | 2026-04-18 | Overberg (WOS) | 7 | 1226 | 7 | 5 | 1485.5 | 35.5 | Details |
| 2 | Hermanus Chess Club Open 2026 (Blitz) | Blitz | 2026-04-17 | 2026-04-17 | Overberg (WOS) | 9 | 1226 | 9 | 2 | 1220.6 | -1.2 | Details |
| 3 | Cape Winelands Open Rapid 2026 (Intermediate) | Rapid | 2026-03-14 | 2026-03-14 | Cape Winelands (WCW) | 6 | 1189.1 | 6 | 4.5 | 1498.1 | 36.9 | Details |
| 4 | Western Cape Top Schools 2019 (U18 Mix) | Standard | 2019-08-31 | 2019-09-01 | Cape Winelands (WCW) | 5 | 1195.4 | 4 | 1 | 1153.7 | -3.3 | Details |
| 5 | Overberg Top Schools 2019 (U18) | Standard | 2019-07-20 | 2019-07-20 | Overberg (WOS) | 3 | 1157.2 | 3 | 3 | 1531 | 21.2 | Details |
| 6 | Western Cape Schools Individuals 2019 (U18 Boys) | Standard | 2019-05-04 | 2019-05-05 | Eden (WEG) | 6 | 1192.5 | 6 | 2 | 1057.4 | -19.4 | Details |
| 7 | Overberg School Chess Close Champs 2019 (U18 Boys) | Standard | 2019-03-08 | 2019-03-09 | Overberg (WOS) | 6 | 1148.3 | 6 | 5 | 1358.4 | 24.7 | Details |
| 8 | 2018 Wild Card Chess Championships (U18 Open) | Classical | 2018-12-21 | 2018-12-24 | 4 Knights (4K) | 7 | 1219.2 | 7 | 0.5 | 856 | -59 | Details |
| 9 | South African Junior Team Championships 2018 (U18C) | Classical | 2018-12-16 | 2018-12-20 | 4 Knights (4K) | 7 | 1219.2 | 7 | 5 | 1341.7 | 19.4 | Details |
| 10 | Western Cape Top Schools 2018 (U19 Mix) | Standard | 2018-08-25 | 2018-08-26 | Overberg (WOS) | 5 | 1245.2 | 5 | 2 | 1083.7 | -14.3 | Details |
| 11 | Overberg 3rd Trial 2018 (U18+Open) | Standard | 2018-05-05 | 2018-05-05 | Overberg (WOS) | 5 | 1182.4 | 4 | 3 | 1375.8 | 15.1 | Details |
| 12 | Overberg 2nd Trial 2018 (U18) | Standard | 2018-05-05 | 2018-05-05 | Overberg (WOS) | 5 | 1182.4 | 4 | 3 | 1149.8 | -2.2 | Details |
| 13 | Western Cape Schools Individuals 2018 (U18 Boys) | Standard | 2018-05-19 | 2018-05-20 | Overberg (WOS) | 6 | 1182.4 | 6 | 3.5 | 1265.6 | 9.8 | Details |
| 14 | Overberg Chess 1st Trial 2018 (A) | Standard | 2018-04-14 | 2018-04-14 | Overberg (WOS) | 5 | 1151.9 | 5 | 4 | 1282.5 | 15.3 | Details |
| 15 | Overberg Schools Closed 2018 (U18 Boys) | Standard | 2018-03-23 | 2018-03-23 | Overberg (WOS) | 6 | 1125 | 6 | 4 | 1236.9 | 13.1 | Details |
| 16 | Ocf Open Bredasdorp 2017 | Standard | 2017-09-02 | 2017-09-02 | Overberg (WOS) | 5 | 1102 | 5 | 5 | 1074 | 7.1 | Details |
| 17 | Western Cape Top Schools 2017 (U18 Mix) | Standard | 2017-08-26 | 2017-08-27 | Western Cape (WC) | 5 | 1082 | 5 | 2.5 | 1203 | 9.5 | Details |
| 18 | Laerskool Kleinmond Open Chess Tournament 2017 (Open) | Standard | 2017-06-03 | 2017-06-03 | Overberg (WOS) | 5 | 1088 | 5 | 4 | 1003 | 13.8 | Details |
| 19 | Western Cape Championship 2017 (U18 Boys) | Standard | 2017-05-13 | 2017-05-14 | Western Province (WP) | 6 | 1088 | 6 | 2 | 1061 | 0 | Details |
| 20 | Overberg Chess Fed Std1 2017 (Open) | Standard | 2017-04-22 | 2017-04-22 | Overberg (WOS) | 5 | 1110 | 4 | 2 | 906 | 6 | Details |
| 21 | Overberg Rapid 2 2017 (Open Under 16 - Open) | Rapid | 2017-03-25 | 2017-03-25 | Overberg (WOS) | 5 | 793 | 5 | 2 | 670 | -10.3 | Details |
| 22 | Overberg Trial 1 2017 (Under 18+20) | Rapid | 2017-02-18 | 2017-02-18 | Overberg (WOS) | 5 | 793 | 5 | 4 | 660 | 21.9 | Details |
| 23 | South African Junior Wildcard Championships 2016 (U16 Boys) | Classical | 2016-12-20 | 2016-12-23 | Tshwane (GTP) | 7 | 972 | 6 | 3.5 | 1182 | 35.6 | Details |
| 24 | South African Junior Team Championships 2016 (U16 D) | Classical | 2016-12-16 | 2016-12-19 | Tshwane (GTP) | 7 | 972 | 7 | 6.5 | 1274 | 53.6 | Details |
| 25 | Overberg C4C Open 2016 (Open) | Standard | 2016-10-29 | 2016-10-29 | Overberg (WOS) | 5 | 938 | 5 | 3 | 1076 | 22.4 | Details |
| 26 | Overberg Chess Trials 2016 (U16-U20) | Standard | 2016-09-03 | 2016-09-03 | Overberg (WOS) | 5 | 913 | 5 | 4 | 1074 | 43.5 | Details |
| 27 | Wc Top Schools Chess Trials 2016 (U19 Mix) | Standard | 2016-08-27 | 2016-08-28 | South Western Districts (SWD) | 5 | 931 | 5 | 2 | 868 | 25.6 | Details |
| 28 | Walker Bay Open 2016 (C) | Standard | 2016-07-24 | 2016-07-24 | Overberg (WOS) | 5 | 844 | 5 | 4.5 | 1259 | 44.5 | Details |
| 29 | Western Cape Schools Chess Individuals 2016 (U15 Boys) | Standard | 2016-04-30 | 2016-05-01 | Western Province (WP) | 7 | 0 | 7 | 3.5 | 920 | 58.1 | Details |
| 30 | Wc Top Schools 2015 (U15 Mix) | Standard | 2015-09-05 | 2015-09-06 | Western Province (WP) | 5 | 0 | 5 | 1 | 922 | 16.6 | Details |
| 31 | Western Cape Schools Chess Championships 2015 (U15 Boys) | Standard | 2015-05-17 | 2015-05-17 | Overberg (WOS) | 6 | 0 | 5 | 0 | 246 | 0 | Details |
| 32 | Worc. Knock-Out 2013 - U 13 Boys | Rapid | 2013-10-19 | 2013-10-19 | Boland (WB) | 5 | 770 | 5 | 3 | 951 | 9.4 | Details |
| 33 | Rhenish Chess Tournament 2012 U 12 | Rapid | 2012-06-16 | 2012-06-16 | Boland (WB) | 7 | 0 | 7 | 2 | 629 | -18.1 | 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 | 31 |
| Wins | 17 |
| Draws | 1 |
| Losses | 13 |
| White | 16 |
| Black | 15 |
| White wins | 10 |
| Black wins | 7 |
| Score | 17.5 |
| Percent | 56.5 |
| Dp | 54.8 |
| AOR | 1372.2 |
| Performance | 1427 |
Game statistics (History)
| Games | 94 |
| Wins | 48 |
| Draws | 11 |
| Losses | 35 |
| White | 48 |
| Black | 46 |
| White wins | 24 |
| Black wins | 24 |
| Score | 53.5 |
| Percent | 56.9 |
| Dp | 58.8 |
| AOR | 1220.7 |
| Performance | 1279.5 |
Rankings (Main)
| National | |
| Overall | 8407 |
| Gender | 6795 |
| Age group | 1644 |
| Gender/Age | 1485 |
| Provincial | |
| Overall | 2422 |
| Gender | 1863 |
| Age group | 428 |
| Gender/Age | 388 |
| Regional | |
| Overall | 160 |
| Gender | 110 |
| Age group | 14 |
| Gender/Age | 13 |
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 | 2281 |
| Gender | 1875 |
| Age group | 369 |
| Gender/Age | 350 |
| Provincial | |
| Overall | 939 |
| Gender | 759 |
| Age group | 149 |
| Gender/Age | 141 |
| Regional | |
| Overall | 114 |
| Gender | 78 |
| Age group | 9 |
| Gender/Age | 9 |
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 | 9 |
| Score | 6 |
| Percent | 66.7 |
| Aor | 1398.9 |
| Dp | 141.7 |
| Prat | 1540.6 |
Performance ()
| Games | 31 |
| Score | 17.5 |
| Percent | 56.5 |
| Aor | 1372.2 |
| Dp | 54.8 |
| Prat | 1427 |
Performance (12 months)
| Games | 31 |
| Score | 17.5 |
| Percent | 56.5 |
| Aor | 1372.2 |
| Dp | 54.8 |
| Prat | 1427 |
Performance (History)
| Games | 94 |
| Score | 53.5 |
| Percent | 56.9 |
| Aor | 1220.7 |
| Dp | 58.8 |
| Prat | 1279.5 |
Top 5 opponents most often played
| Type | # | Opponent | Games | White | Black | First tournament | Last tournament | Details |
| Overall | 1 | Matthysen, M (Monwill) | 3 | 2 | 1 | Overberg Chess 1st Trial 2018 (A) | Overberg School Chess Close Champs 2019 (U18 Boys) | Details |
| Overall | 2 | Lee, J (Joel) | 2 | 1 | 1 | Western Cape Top Schools 2018 (U19 Mix) | Western Cape Top Schools 2019 (U18 Mix) | Details |
| Overall | 3 | Mehnert, G (Geneve) | 2 | 1 | 1 | Overberg 2nd Trial 2018 (U18) | Overberg 3rd Trial 2018 (U18+Open) | Details |
| Standard | 1 | Matthysen, M (Monwill) | 3 | 2 | 1 | Overberg Chess 1st Trial 2018 (A) | Overberg School Chess Close Champs 2019 (U18 Boys) | Details |
| Standard | 2 | Lee, J (Joel) | 2 | 1 | 1 | Western Cape Top Schools 2018 (U19 Mix) | Western Cape Top Schools 2019 (U18 Mix) | Details |
| Standard | 3 | Mehnert, G (Geneve) | 2 | 1 | 1 | Overberg 2nd Trial 2018 (U18) | Overberg 3rd Trial 2018 (U18+Open) | Details |