Surname or Chess SA id..
Chess SA Region AOC Mzansi 2026

PLAYER PAGE

Rico Roos

101032541
Overberg (WOS)
Personal
Main rating
Rating 1447
K-factor 32
Floor 947
Highest 1447 (2026-10-01)
Min/Max +/- allowed 117
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 1435.7
Final +/- 0
New Rating
()
Rating 1447
K-factor 32
Floor 947
Highest 1447 (2026-10-01)
Min/Max +/- allowed 116.6
Standard rating
Rating 1320.5
K-factor 36
Floor 820.5
Highest 1320.5 (2026-08-01)
Min/Max +/- allowed 139.7
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 692.4
Final +/- 0
New Rating
()
Rating 1320.5
K-factor 36
Floor 820.5
Highest 1320.5 (2026-08-01)
Min/Max +/- allowed 139.7
Rapid rating
Rating 1418.4
K-factor 32
Floor 918.4
Highest 1418.4 (2026-10-01)
Min/Max +/- allowed 121.5
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 1407
Final +/- 0
New Rating
()
Rating 1418.4
K-factor 32
Floor 918.4
Highest 1418.4 (2026-10-01)
Min/Max +/- allowed 121.5
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 Overberg Club Championship 2026 (B) Rapid 2026-09-19 2026-09-19 Overberg (WOS) 6 1365.1 6 4.5 1516 23.3 Details
2 Kingsway Chess Open 2026 (Open) Rapid 2026-09-12 2026-09-12 Overberg (WOS) 6 1365.1 6 6 1659.8 35.5 Details
3 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
4 Hermanus Chess Club Open 2026 (Intermediate) Rapid 2026-04-18 2026-04-18 Overberg (WOS) 7 1226 7 5 1485.5 35.5 Details
5 Hermanus Chess Club Open 2026 (Blitz) Blitz 2026-04-17 2026-04-17 Overberg (WOS) 9 1226 9 2 1220.6 -1.2 Details
6 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
7 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
8 Overberg Top Schools 2019 (U18) Standard 2019-07-20 2019-07-20 Overberg (WOS) 3 1157.2 3 3 1531 21.2 Details
9 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
10 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
11 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
12 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
13 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
14 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
15 Overberg 2nd Trial 2018 (U18) Standard 2018-05-05 2018-05-05 Overberg (WOS) 5 1182.4 4 3 1149.8 -2.2 Details
16 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
17 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
18 Overberg Schools Closed 2018 (U18 Boys) Standard 2018-03-23 2018-03-23 Overberg (WOS) 6 1125 6 4 1236.9 13.1 Details
19 Ocf Open Bredasdorp 2017 Standard 2017-09-02 2017-09-02 Overberg (WOS) 5 1102 5 5 1074 7.1 Details
20 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
21 Laerskool Kleinmond Open Chess Tournament 2017 (Open) Standard 2017-06-03 2017-06-03 Overberg (WOS) 5 1088 5 4 1003 13.8 Details
22 Western Cape Championship 2017 (U18 Boys) Standard 2017-05-13 2017-05-14 Western Province (WP) 6 1088 6 2 1061 0 Details
23 Overberg Chess Fed Std1 2017 (Open) Standard 2017-04-22 2017-04-22 Overberg (WOS) 5 1110 4 2 906 6 Details
24 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
25 Overberg Trial 1 2017 (Under 18+20) Rapid 2017-02-18 2017-02-18 Overberg (WOS) 5 793 5 4 660 21.9 Details
26 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
27 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
28 Overberg C4C Open 2016 (Open) Standard 2016-10-29 2016-10-29 Overberg (WOS) 5 938 5 3 1076 22.4 Details
29 Overberg Chess Trials 2016 (U16-U20) Standard 2016-09-03 2016-09-03 Overberg (WOS) 5 913 5 4 1074 43.5 Details
30 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
31 Walker Bay Open 2016 (C) Standard 2016-07-24 2016-07-24 Overberg (WOS) 5 844 5 4.5 1259 44.5 Details
32 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
33 Wc Top Schools 2015 (U15 Mix) Standard 2015-09-05 2015-09-06 Western Province (WP) 5 0 5 1 922 16.6 Details
34 Western Cape Schools Chess Championships 2015 (U15 Boys) Standard 2015-05-17 2015-05-17 Overberg (WOS) 6 0 5 0 246 0 Details
35 Worc. Knock-Out 2013 - U 13 Boys Rapid 2013-10-19 2013-10-19 Boland (WB) 5 770 5 3 951 9.4 Details
36 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 43
Wins 27
Draws 2
Losses 14
White 22
Black 21
White wins 15
Black wins 12
Score 28
Percent 65.1
Dp 128.5
AOR 1343.4
Performance 1471.9
Game statistics (History)
Games 106
Wins 58
Draws 12
Losses 36
White 54
Black 52
White wins 29
Black wins 29
Score 64
Percent 60.4
Dp 88.2
AOR 1226.2
Performance 1314.4
Rankings (Main)
National
Overall 2726
Gender 2340
Age group 868
Gender/Age 817
Provincial
Overall 821
Gender 674
Age group 235
Gender/Age 217
Regional
Overall 40
Gender 30
Age group 6
Gender/Age 6
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 841
Gender 744
Age group 215
Gender/Age 206
Provincial
Overall 396
Gender 346
Age group 95
Gender/Age 90
Regional
Overall 35
Gender 29
Age group 6
Gender/Age 6
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 43
Score 28
Percent 65.1
Aor 1343.4
Dp 128.5
Prat 1471.9
Performance (12 months)
Games 43
Score 28
Percent 65.1
Aor 1343.4
Dp 128.5
Prat 1471.9
Performance (History)
Games 106
Score 64
Percent 60.4
Aor 1226.2
Dp 88.2
Prat 1314.4
Top 5 opponents most often played
Type # Opponent Games White Black First tournament Last tournament Details
Overall 1 Lombaard, J (Jowayne) 3 2 1 Overberg Top Schools 2019 (U18) Overberg Club Championship 2026 (B) Details
Overall 2 Matthysen, M (Monwill) 3 2 1 Overberg Chess 1st Trial 2018 (A) Overberg School Chess Close Champs 2019 (U18 Boys) Details
Overall 3 Mehnert, G (Geneve) 2 1 1 Overberg 2nd Trial 2018 (U18) Overberg 3rd Trial 2018 (U18+Open) Details
Overall 4 Geyser, JE (Johan Emil) 2 1 1 Overberg Club Championship 2026 (B) Overberg Club Championship 2026 (B) Details
Overall 5 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
Rapid 1 Geyser, JE (Johan Emil) 2 1 1 Overberg Club Championship 2026 (B) Overberg Club Championship 2026 (B) Details
Rapid 2 Coetzee, S (Sebastian) 2 1 1 Overberg Club Championship 2026 (B) Overberg Club Championship 2026 (B) Details
Rapid 3 Lombaard, J (Jowayne) 2 1 1 Overberg Club Championship 2026 (B) Overberg Club Championship 2026 (B) Details