Chess South Africa
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Chess South Africa
Roos, J (Justin)
Dob:
2011/01/27 (U14)
Gender:
Male
Chess SA id:
1110099324
FIDE id:
Region:
Bojanala Platina (NBR)
Citizen:
RSA
Title(s):
Last active:
2024/03/16 (13 days ago)
Ratings
The
Projected values
below are
NOT
the actual and official values as calculated by the Ratings Bureau.
Main
Standard
Rapid
Blitz
Official
Raw
Weighted
Floor
Highest
K
Games
Score
We
S-We
+/-
Current
1488.0
1464.3
1488.0
1133.7
1633.7
28
10
6.5
6.93
-0.43
-9.4
Projected new
1485.3
1454.9
1485.3
1133.7
1633.7
28
Official
Raw
Weighted
Floor
Highest
K
Games
Score
We
S-We
+/-
Current
1494.6
1475.1
1494.6
1137.9
1637.9
28
10
6.5
7.12
-0.62
-17.4
Projected new
1492.0
1457.7
1492.0
1137.9
1637.9
28
Official
Raw
Weighted
Floor
Highest
K
Games
Score
We
S-We
+/-
Current
1185.3
1173.2
1185.3
1133.7
1173.2
40
0
0.0
0.00
0.00
0.0
Projected new
1183.9
1173.2
1183.9
683.9
1183.9
40
Official
Raw
Weighted
Floor
Highest
K
Games
Score
We
S-We
+/-
Current
1200.0
1200.0
1200.0
700.0
1200.0
36
0
0.0
0.00
0.00
0.0
Projected new
1200.0
1200.0
1200.0
700.0
1200.0
36
Tournaments
History
Tournament:
Bojanala Silwerrand's Rating Implosion 2024 (Bishops)
Start:
2024/03/16
End:
2024/03/16
Host:
NBR
Type:
Standard
Time:
60
Time weight:
0.83
Rounds:
5
Games:
5
Score:
4.0
Main rating:
1464.3
Rating gain/loss:
6.3
Type rating:
1475.1
Rating gain/loss:
3.1
Analysis
Tournament:
Schoemies' Kings & Queens 2024 (Rooks)
Start:
2024/03/02
End:
2024/03/02
Host:
NBR
Type:
Standard
Time:
60
Time weight:
0.83
Rounds:
5
Games:
5
Score:
2.5
Main rating:
1464.3
Rating gain/loss:
-16.3
Type rating:
1475.1
Rating gain/loss:
-20.4
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rns
Gms
Scr
Main
Type
Analysis
4
Bojanala Silwerrand's Rating Implosion 2024 (Bishops)
2024/03/16
2024/03/16
Bojanala Platina (NBR)
Standard
60
0.83
5
5
4.0
1464.3
1475.1
Analysis
3
Schoemies' Kings & Queens 2024 (Rooks)
2024/03/02
2024/03/02
Bojanala Platina (NBR)
Standard
60
0.83
5
5
2.5
1464.3
1475.1
Analysis
2
Bojanala Closed Chess Championships Finals 2024 (U14)
2024/02/09
2024/02/11
Bojanala Platina (NBR)
Standard
120
1.00
5
5
3.0
1464.6
1477.6
Analysis
1
Bojanala Closed Chess Championships Stage 1 2024 (U14)
2024/01/27
2024/01/27
Bojanala Platina (NBR)
Standard
60
0.83
5
5
3.0
1469.7
1486.0
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
61
Bojanala Silwerrand's Rating Implosion 2024 (Bishops)
2024/03/16
2024/03/16
Bojanala Platina (NBR)
Standard
60
0.83
5
5
4.0
1464.3
1475.1
Analysis
60
Schoemies' Kings & Queens 2024 (Rooks)
2024/03/02
2024/03/02
Bojanala Platina (NBR)
Standard
60
0.83
5
5
2.5
1464.3
1475.1
Analysis
59
Bojanala Closed Chess Championships Finals 2024 (U14)
2024/02/09
2024/02/11
Bojanala Platina (NBR)
Standard
120
1.00
5
5
3.0
1464.6
1477.6
Analysis
58
Bojanala Closed Chess Championships Stage 1 2024 (U14)
2024/01/27
2024/01/27
Bojanala Platina (NBR)
Standard
60
0.83
5
5
3.0
1469.7
1486.0
Analysis
57
2023 Cross Border Chess Championships Gaborone vs Bojanala
2023/12/14
2023/12/16
Botswana (BOT)
Standard
120
1.00
5
5
3.0
1486.8
1506.2
Analysis
56
Bojanala's Merry ChessMas 2023 (Rooks)
2023/12/09
2023/12/09
Bojanala Platina (NBR)
Standard
60
0.83
5
5
3.0
1486.8
1506.2
Analysis
55
West Rand vs Bojanala Inter-Regional Championships 2023 (U14)
2023/10/14
2023/10/14
West Rand (GWR)
Standard
60
0.83
5
5
4.0
1458.7
1475.1
Analysis
54
Bojanala School League 2023 (Primary School Open)
2023/08/19
2023/08/19
Bojanala Platina (NBR)
Rapid
40
0.70
5
5
2.0
1476.7
1200.0
Analysis
53
Bojanala's FIDE in the Sparkling Waters 2023 (Rooks)
2023/07/28
2023/07/30
Bojanala Platina (NBR)
Standard
120
1.00
6
6
4.0
1488.5
1487.4
Analysis
52
Bojanala's Post-Exams 2023 (Rooks)
2023/06/24
2023/06/24
Bojanala Platina (NBR)
Standard
60
0.83
5
5
5.0
1424.3
1414.3
Analysis
51
2023 South African Junior Closed Chess Championships (U12 Open)
2023/03/31
2023/04/04
Chess South Africa (CSA)
Standard
120
1.00
9
9
2.0
1528.2
1519.0
Analysis
50
Schoemies Kings & Queens 2023 (Rooks)
2023/03/18
2023/03/18
Bojanala Platina (NBR)
Standard
60
0.83
5
5
2.0
1570.0
1568.0
Analysis
49
One For The Ages 2023 (U14)
2023/02/18
2023/02/18
Bojanala Platina (NBR)
Standard
60
0.83
5
5
4.0
1549.3
1543.6
Analysis
48
Dr. Kenneth Kaunda Saamtrek 2023 (U14)
2023/02/04
2023/02/04
Dr Kenneth Kaunda (NWP)
Standard
60
0.83
5
5
5.0
1549.3
1543.6
Analysis
47
Harties Wolf Pack 2023 (Rooks)
2023/01/21
2023/01/21
Bojanala Platina (NBR)
Standard
62
0.84
5
5
2.5
1587.2
1589.5
Analysis
46
2022 South African Junior Team Chess Championships (U12 Open)
2022/12/04
2022/12/08
4 Knights (4K)
Standard
120
1.00
7
7
3.5
1633.7
1637.9
Analysis
45
West Rand vs Bojanala 2022 (U12A)
2022/11/05
2022/11/05
Bojanala Platina (NBR)
Standard
60
0.83
6
6
6.0
1593.0
1590.9
Analysis
44
Bojanala SAJCC Trials 2022 (U12)
2022/09/23
2022/09/23
Bojanala Platina (NBR)
Standard
120
1.00
5
5
5.0
1538.0
1532.3
Analysis
43
Bojanala Chess Federation Wildcards 2022 (U12)
2022/08/20
2022/08/20
Bojanala Platina (NBR)
Standard
62
0.84
5
5
5.0
1473.7
1470.8
Analysis
42
2nd One For The Ages 2022 (U12)
2022/07/30
2022/07/30
Bojanala Platina (NBR)
Standard
60
0.83
5
5
4.0
1362.9
1347.0
Analysis
1
2
3
4
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
20
12
1
7
12.5
62.5
106.3
1333.2
1439.4
White
11
8
1
2
8.5
77.3
231.8
1338.0
1569.8
Black
9
4
0
5
4.0
44.4
-47.2
1327.3
1280.1
Standard
All
20
12
1
7
12.5
62.5
106.3
1333.2
1439.4
White
11
8
1
2
8.5
77.3
231.8
1338.0
1569.8
Black
9
4
0
5
4.0
44.4
-47.2
1327.3
1280.1
Rapid
All
0
0
0
0
0.0
0.0
0.0
0.0
0.0
White
0
0
0
0
0.0
0.0
0.0
0.0
0.0
Black
0
0
0
0
0.0
0.0
0.0
0.0
0.0
Blitz
All
0
0
0
0
0.0
0.0
0.0
0.0
0.0
White
0
0
0
0
0.0
0.0
0.0
0.0
0.0
Black
0
0
0
0
0.0
0.0
0.0
0.0
0.0
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
324
206
12
106
212.0
65.4
131.2
1243.9
1375.1
White
161
109
8
44
113.0
70.2
171.6
1251.4
1423.0
Black
163
97
4
62
99.0
60.7
91.3
1236.5
1327.8
Standard
All
319
204
12
103
210.0
65.8
134.6
1241.3
1375.8
White
158
107
8
43
111.0
70.3
172.2
1248.5
1420.6
Black
161
97
4
60
99.0
61.5
97.7
1234.2
1331.9
Rapid
All
5
2
0
3
2.0
40.0
-85.0
1411.7
1326.7
White
3
2
0
1
2.0
66.7
141.7
1405.8
1547.5
Black
2
0
0
2
0.0
0.0
-425.0
1420.7
995.7
Blitz
All
0
0
0
0
0.0
0.0
0.0
0.0
0.0
White
0
0
0
0
0.0
0.0
0.0
0.0
0.0
Black
0
0
0
0
0.0
0.0
0.0
0.0
0.0
Top 20 opponents most often played
#
Chess SA id
Name
Games
Score
Wins
Draws
Losses
%
Aor
Dp
Perform
View
1
111092671
Van Der Berg, KW (Kai)
12
10.0
10
0
2
83.3
1434.6
283.3
1717.9
View list
2
1110099325
Nortman, WJ (Wilhelmus Johan)
11
7.0
7
0
4
63.6
1298.0
115.9
1413.9
View list
3
1110096350
Schwim, X (Xander)
9
5.0
5
0
4
55.6
1327.7
47.2
1374.9
View list
4
211093275
Byliefeldt, M (Mienke)
7
6.5
6
1
0
92.9
1408.2
364.3
1772.4
View list
5
1110097777
Britz, JD (Jakobus)
7
3.0
3
0
4
42.9
1321.4
-60.7
1260.7
View list
6
1110099323
Bester, D (Daniel)
7
2.5
2
1
4
35.7
1245.4
-121.4
1124.0
View list
7
110093302
Morkel, DJ (Douglas)
6
5.0
5
0
1
83.3
1367.7
283.3
1651.0
View list
8
1110131242
Changara, A (Adiel Tavonga)
6
4.0
4
0
2
66.7
1459.2
141.7
1600.8
View list
9
1110100437
Schwim, R (Rinus)
5
5.0
5
0
0
100.0
1256.3
425.0
1681.3
View list
10
1120099318
Weber, U (Ulrich)
5
5.0
5
0
0
100.0
1315.9
425.0
1740.9
View list
11
1110112986
Legwale, L (Lesedi)
5
4.0
4
0
1
80.0
1453.5
255.0
1708.5
View list
12
1100099556
Bantseke, B (Boikanyo)
5
3.0
3
0
2
60.0
1474.9
85.0
1559.9
View list
13
1110140037
Grobler, R (Rowan)
5
3.0
3
0
2
60.0
1486.8
85.0
1571.8
View list
14
111089655
Guneliev, AA (Adriaan)
5
1.0
1
0
4
20.0
1240.0
-255.0
985.0
View list
15
1120096779
Yang, JD (Daniel)
5
0.0
0
0
5
0.0
1370.0
-425.0
945.0
View list
16
2110096353
Janse Van Vuuren, M (Mari)
4
4.0
4
0
0
100.0
1226.3
425.0
1651.3
View list
17
210087760
Jansen Van Vuuren, L (Lourein)
4
4.0
4
0
0
100.0
1415.4
425.0
1840.4
View list
18
210086569
Combrinck, J (Janeske)
4
3.0
3
0
1
75.0
1230.6
212.5
1443.1
View list
19
211093260
Jansen Van Vuuren, M (Mari)
3
3.0
3
0
0
100.0
1458.2
425.0
1883.2
View list
20
211093462
Maritz, L (Lienka)
3
3.0
3
0
0
100.0
1247.6
425.0
1672.6
View list