Chess South Africa
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Chess South Africa
Roos, E (Ewan)
Dob:
2013/06/07 (U12)
Gender:
Male
Chess SA id:
1130134053
FIDE id:
Region:
Tshwane (GTP)
Citizen:
RSA
Title(s):
Last active:
2024/10/04 (33 days ago)
Ratings
The
Projected values
below are
NOT
the actual and official values as calculated by the Ratings Bureau.
Main
Standard
Rapid
Blitz
Raw rating
=Current rating,
Weighted rating (WR)
=Weighted average of current/new Raw rating + last 23 published Raw ratings),
Weighted performance (WP)
=Weighted average of last 5 tournaments
Current Raw rating
1464.6
Current Weighted rating
1314.3
Current Weighted performance
1438.9
Current official/published rating (highest between Raw, WR and WP)
1464.6
Current highest rating achieved
1479.5
Current floor (min rating allowed)
979.5
Current K-factor
32
Games played this month
0
Score (S)
0.0
Expected score (We)
0.00
Difference (S-We)
0.00
Current Raw change (no limits, including tournament time weight)
0.0
Current min/max change allowed (with limits)
±113.7
Current Raw change used (final)
0.0
Projected new Raw rating
1464.6
Projected new Weighed rating
1211.0
Projected new Weighted performance
1438.9
Projected new final Raw rating (if new WP > new Raw)
1464.6
Projected new highest rating
1479.5
Projected new floor
979.5
Projected new K-facor
32
Projected new official/published rating (highest between new Raw, new WR and new WP)
1464.6
Projected effective change (new Official - current Official)
=0.0
Raw rating
=Current rating,
Weighted rating (WR)
=Weighted average of current/new Raw rating + last 23 published Raw ratings),
Weighted performance (WP)
=Weighted average of last 5 tournaments
Current Raw rating
1458.6
Current Weighted rating
1307.1
Current Weighted performance
1438.9
Current official/published rating (highest between Raw, WR and WP)
1458.6
Current highest rating achieved
1476.8
Current floor (min rating allowed)
976.8
Current K-factor
32
Games played this month
0
Score (S)
0.0
Expected score (We)
0.00
Difference (S-We)
0.00
Current Raw change (no limits, including tournament time weight)
0.0
Current min/max change allowed (with limits)
±114.7
Current Raw change used (final)
0.0
Projected new Raw rating
1458.6
Projected new Weighed rating
1204.5
Projected new Weighted performance
1438.9
Projected new final Raw rating (if new WP > new Raw)
1458.6
Projected new highest rating
1476.8
Projected new floor
976.8
Projected new K-facor
32
Projected new official/published rating (highest between new Raw, new WR and new WP)
1458.6
Projected effective change (new Official - current Official)
=0.0
Raw rating
=Current rating,
Weighted rating (WR)
=Weighted average of current/new Raw rating + last 23 published Raw ratings),
Weighted performance (WP)
=Weighted average of last 5 tournaments
Current Raw rating
1200.0
Current Weighted rating
1200.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1200.0
Current highest rating achieved
1200.0
Current floor (min rating allowed)
700.0
Current K-factor
36
s
Games played this month
0
Score (S)
0.0
Expected score (We)
0.00
Difference (S-We)
0.00
Current Raw change (no limits, including tournament time weight)
0.0
Current min/max change allowed (with limits)
±165.8
Current Raw change used (final)
0.0
Projected new Raw rating
1200.0
Projected new Weighed rating
1104.0
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating
1200.0
Projected new floor
700.0
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1200.0
Projected effective change (new Official - current Official)
=0.0
Raw rating
=Current rating,
Weighted rating (WR)
=Weighted average of current/new Raw rating + last 23 published Raw ratings),
Weighted performance (WP)
=Weighted average of last 5 tournaments
Current Raw rating
1200.0
Current Weighted rating
1200.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1200.0
Current highest rating achieved
1200.0
Current floor (min rating allowed)
700.0
Current K-factor
36
Games played this month
0
Score (S)
0.0
Expected score (We)
0.00
Difference (S-We)
0.00
Current Raw change (no limits, including tournament time weight)
0.0
Current min/max change allowed (with limits)
±165.8
Current Raw change used (final)
0.0
Projected new Raw rating
1200.0
Projected new Weighed rating
1104.0
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating
1200.0
Projected new floor
700.0
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1200.0
Projected effective change (new Official - current Official)
=0.0
Tournaments
History
Did not participate this month.
#
Tournament
Start
End
Host
Type
Time
Weight
Rns
Gms
Scr
Main
Type
Analysis
10
Gauteng Top Schools 2024 (U11 Open)
2024/10/04
2024/10/04
Ekurhuleni (GE)
Standard
60
0.83
5
5
3.0
1479.5
1476.8
Analysis
9
2024 Etienne Lewis (U12)
2024/08/30
2024/09/01
Tshwane (GTP)
Standard
90
0.94
7
7
5.5
1437.6
1432.3
Analysis
8
Gauteng Schools Individuals Finals 2024 (U11 Boys)
2024/08/16
2024/08/16
Ekurhuleni (GE)
Standard
60
0.83
5
5
3.0
1437.6
1432.3
Analysis
7
D4 Tshwane South District Schools Teams Chess Tournament 2024 (U11A)
2024/08/03
2024/08/03
Tshwane (GTP)
Standard
60
0.83
5
5
4.0
1401.9
1397.3
Analysis
6
2024 Elise Steenkamp Open Chess Tournament (Rooks)
2024/06/15
2024/06/15
Tshwane (GTP)
Standard
90
0.94
5
5
4.0
1358.0
1353.4
Analysis
5
2024 Tshwane South School District CLOSED Individual Championships (U11 Mixed)
2024/05/11
2024/05/11
Tshwane (GTP)
Standard
60
0.83
5
5
4.0
1291.6
1289.8
Analysis
4
2024 KSNG CHess Academy Open Tournament (D2)
2024/04/06
2024/04/06
Tshwane (GTP)
Standard
60
0.83
5
5
4.0
1235.4
1227.5
Analysis
3
2024 Tshwane Chess AHS Open Chess Tournament (C1)
2024/02/24
2024/02/24
Tshwane (GTP)
Standard
60
0.83
5
5
2.0
1232.7
1222.1
Analysis
2
2024 Tshwane Chess OPEN Registration Tournament (C2)
2024/01/27
2024/01/27
Tshwane (GTP)
Standard
60
0.83
5
5
1.0
1207.0
1196.5
Analysis
1
2024 Gauteng Inter-Region Chess Championship (U12C)
2024/01/13
2024/01/14
Tshwane (GTP)
Standard
90
0.94
5
5
4.5
1207.0
1196.5
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
30
Gauteng Top Schools 2024 (U11 Open)
2024/10/04
2024/10/04
Ekurhuleni (GE)
Standard
60
0.83
5
5
3.0
1479.5
1476.8
Analysis
29
2024 Etienne Lewis (U12)
2024/08/30
2024/09/01
Tshwane (GTP)
Standard
90
0.94
7
7
5.5
1437.6
1432.3
Analysis
28
Gauteng Schools Individuals Finals 2024 (U11 Boys)
2024/08/16
2024/08/16
Ekurhuleni (GE)
Standard
60
0.83
5
5
3.0
1437.6
1432.3
Analysis
27
D4 Tshwane South District Schools Teams Chess Tournament 2024 (U11A)
2024/08/03
2024/08/03
Tshwane (GTP)
Standard
60
0.83
5
5
4.0
1401.9
1397.3
Analysis
26
2024 Elise Steenkamp Open Chess Tournament (Rooks)
2024/06/15
2024/06/15
Tshwane (GTP)
Standard
90
0.94
5
5
4.0
1358.0
1353.4
Analysis
25
2024 Tshwane South School District CLOSED Individual Championships (U11 Mixed)
2024/05/11
2024/05/11
Tshwane (GTP)
Standard
60
0.83
5
5
4.0
1291.6
1289.8
Analysis
24
2024 KSNG CHess Academy Open Tournament (D2)
2024/04/06
2024/04/06
Tshwane (GTP)
Standard
60
0.83
5
5
4.0
1235.4
1227.5
Analysis
23
2024 Tshwane Chess AHS Open Chess Tournament (C1)
2024/02/24
2024/02/24
Tshwane (GTP)
Standard
60
0.83
5
5
2.0
1232.7
1222.1
Analysis
22
2024 Tshwane Chess OPEN Registration Tournament (C2)
2024/01/27
2024/01/27
Tshwane (GTP)
Standard
60
0.83
5
5
1.0
1207.0
1196.5
Analysis
21
2024 Gauteng Inter-Region Chess Championship (U12C)
2024/01/13
2024/01/14
Tshwane (GTP)
Standard
90
0.94
5
5
4.5
1207.0
1196.5
Analysis
20
Lardies Open Tournament 2023 (C)
2023/10/28
2023/10/28
Tshwane (GTP)
Standard
60
0.83
5
4
1.0
1223.1
1214.1
Analysis
19
2023 Etienne Lewis Closed Tournament (U12)
2023/08/25
2023/08/27
Tshwane (GTP)
Standard
90
0.94
7
5
3.5
1196.4
1185.3
Analysis
18
2023 Tshwane South School District CLOSED League Championship (U11)
2023/07/29
2023/07/29
Tshwane (GTP)
Standard
60
0.83
5
4
2.0
1191.0
1174.9
Analysis
17
2023 Lubowski Open Tournament (C)
2023/06/24
2023/06/25
Tshwane (GTP)
Standard
90
0.94
5
4
0.0
1261.0
1248.3
Analysis
16
2023 Tshwane South School District CLOSED Individual Championships (U11 Open)
2023/04/22
2023/04/22
Tshwane (GTP)
Standard
60
0.83
5
5
3.0
1254.4
1236.1
Analysis
15
Chris Greyling Open Tournament 2023 (C)
2023/03/21
2023/03/21
Tshwane (GTP)
Standard
60
0.83
5
5
1.5
1348.2
1348.4
Analysis
14
Tuks Junior Developmental Chess Tournament 2023 (Blue)
2023/03/18
2023/03/18
Tshwane (GTP)
Standard
60
0.83
5
5
2.0
1348.2
1348.4
Analysis
13
2022 Gauteng Schools Team Championships (U9 Open)
2022/08/27
2022/08/27
Tshwane (GTP)
Standard
60
0.83
5
5
3.0
1350.3
1349.3
Analysis
12
D4 Play Offs 2022 (U9)
2022/07/30
2022/07/30
Tshwane (GTP)
Standard
60
0.83
5
5
5.0
1284.9
1277.9
Analysis
11
2022 Menlo Open Tournament (D)
2022/07/23
2022/07/23
Tshwane (GTP)
Standard
60
0.83
5
5
3.0
1284.9
1277.9
Analysis
1
2
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
52
34
2
16
35.0
67.3
147.1
1278.7
1425.9
White
26
17
0
9
17.0
65.4
130.8
1299.8
1430.5
Black
26
17
2
7
18.0
69.2
163.5
1257.7
1421.2
Standard
All
52
34
2
16
35.0
67.3
147.1
1278.7
1425.9
White
26
17
0
9
17.0
65.4
130.8
1299.8
1430.5
Black
26
17
2
7
18.0
69.2
163.5
1257.7
1421.2
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
146
87
4
55
89.0
61.0
93.2
1227.8
1320.9
White
70
42
1
27
42.5
60.7
91.1
1235.6
1326.7
Black
76
45
3
28
46.5
61.2
95.1
1220.6
1315.6
Standard
All
146
87
4
55
89.0
61.0
93.2
1227.8
1320.9
White
70
42
1
27
42.5
60.7
91.1
1235.6
1326.7
Black
76
45
3
28
46.5
61.2
95.1
1220.6
1315.6
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
Top 20 opponents most often played
#
Chess SA id
Name
Games
Score
Wins
Draws
Losses
%
Aor
Dp
Perform
View
1
1130134043
De Bruin, H (Hanno)
3
3.0
3
0
0
100.0
1320.9
425.0
1745.9
View list
2
1120133903
Buchner, E (Emil)
3
3.0
3
0
0
100.0
1252.9
425.0
1677.9
View list
3
1130134041
Botha, L (Logan)
3
3.0
3
0
0
100.0
1256.6
425.0
1681.6
View list
4
2120130097
Padayachy, V (Vidya)
3
2.0
2
0
1
66.7
1235.4
141.7
1377.1
View list
5
2130134040
Botha, L (Lincke)
2
2.0
2
0
0
100.0
1234.3
425.0
1659.3
View list
6
1140159601
Crous, A (Aiden)
2
2.0
2
0
0
100.0
1397.8
425.0
1822.8
View list
7
1120119998
Horne, K (Kian Louis)
2
2.0
2
0
0
100.0
1277.2
425.0
1702.2
View list
8
1120139917
Kruger, B (Brenden)
2
1.5
1
1
0
75.0
1201.7
212.5
1414.2
View list
9
1130133911
Butner, J (James)
2
1.0
1
0
1
50.0
1296.8
0.0
1296.8
View list
10
1120133904
Fokker, CD (Christiaan Dirk)
2
1.0
1
0
1
50.0
1267.4
0.0
1267.4
View list
11
1130131224
Minny, O (Oban)
2
1.0
1
0
1
50.0
1224.5
0.0
1224.5
View list
12
1130136642
Ottermann, E (Erik)
2
1.0
1
0
1
50.0
1317.6
0.0
1317.6
View list
13
1120137394
Du Bruyn, D (Dylan)
2
0.5
0
1
1
25.0
1301.3
-212.5
1088.8
View list
14
2120108352
De Swardt, M (Mieke)
2
0.0
0
0
2
0.0
1296.5
-425.0
871.5
View list
15
1140135082
Janse Van Rensburg, J (Josh)
2
0.0
0
0
2
0.0
1440.7
-425.0
1015.7
View list
16
1130152987
Mann, I (Iowan)
2
0.0
0
0
2
0.0
1397.8
-425.0
972.8
View list
17
1130119626
Ndebele, AT (Akhumzi Thandolwenkosi)
2
0.0
0
0
2
0.0
1234.3
-425.0
809.3
View list
18
2140149175
Boshoff, M (Milah)
1
1.0
1
0
0
100.0
1437.6
425.0
1862.6
View list
19
1070135509
Blom, J (Jess)
1
1.0
1
0
0
100.0
1348.2
425.0
1773.2
View list
20
1130141649
Bight, C (Chase)
1
1.0
1
0
0
100.0
1284.9
425.0
1709.9
View list