Surname or Chess SA id..
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Rico Roos

101032541
Overberg (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 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 1100.3
Final +/- 0
New Rating
()
Rating 1260.3
K-factor 36
Floor 745.2
Highest 1269.8 (2018-04-01)
Min/Max +/- allowed 150.1
Standard rating
Rating 1192.8
K-factor 36
Floor 756
Highest 1275.8 (2018-04-01)
Min/Max +/- allowed 148.8
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 331.8
Final +/- 0
New Rating
()
Rating 1192.8
K-factor 36
Floor 756
Highest 1275.8 (2018-04-01)
Min/Max +/- allowed 148.8
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
No tournaments found.
# 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 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 22
Wins 11
Draws 1
Losses 10
White 11
Black 11
White wins 6
Black wins 5
Score 11.5
Percent 52.3
Dp 19.3
AOR 1361.3
Performance 1380.6
Game statistics (History)
Games 85
Wins 42
Draws 11
Losses 32
White 43
Black 42
White wins 20
Black wins 22
Score 47.5
Percent 55.9
Dp 50
AOR 1201.9
Performance 1251.9
Rankings (Main)
National
Overall 8320
Gender 6746
Age group 1653
Gender/Age 1492
Provincial
Overall 2393
Gender 1844
Age group 425
Gender/Age 383
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 2244
Gender 1849
Age group 379
Gender/Age 360
Provincial
Overall 932
Gender 751
Age group 150
Gender/Age 142
Regional
Overall 109
Gender 73
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 0
Score 0
Percent 0
Aor 0
Dp 0
Prat 0
Performance ()
Games 22
Score 11.5
Percent 52.3
Aor 1361.3
Dp 19.3
Prat 1380.6
Performance (12 months)
Games 22
Score 11.5
Percent 52.3
Aor 1361.3
Dp 19.3
Prat 1380.6
Performance (History)
Games 85
Score 47.5
Percent 55.9
Aor 1201.9
Dp 50
Prat 1251.9
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 Mehnert, G (Geneve) 2 1 1 Overberg 2nd Trial 2018 (U18) Overberg 3rd Trial 2018 (U18+Open) Details
Overall 3 Lee, J (Joel) 2 1 1 Western Cape Top Schools 2018 (U19 Mix) Western Cape Top Schools 2019 (U18 Mix) 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 Mehnert, G (Geneve) 2 1 1 Overberg 2nd Trial 2018 (U18) Overberg 3rd Trial 2018 (U18+Open) Details
Standard 3 Lee, J (Joel) 2 1 1 Western Cape Top Schools 2018 (U19 Mix) Western Cape Top Schools 2019 (U18 Mix) Details