Chess South Africa
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Chess South Africa
Coetsee, D (Dewald)
Dob:
2008/05/21 (U18)
Gender:
Male
Chess SA id:
108064021
FIDE id:
Region:
Tshwane (GTP)
Citizen:
RSA
Title(s):
Last active:
2024/03/24 (41 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
Curent Raw rating
1780.9
Curent Weighted rating
1720.4
Curent Weighted performance
1756.2
Current official/published rating (highest between Raw, WR and WP)
1780.9
Current floor (min rating allowed)
1280.9
Current highest rating achieved
1780.9
Current K-factor
28
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)
±72.5
Current Raw change used (final)
0.0
Projected new Raw rating
1780.9
Projected new Weighed rating
1728.2
Projected new Weighted performance
1756.2
Projected new official/published rating (highest between new Raw, new WR and new WP)
1780.9
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1780.9
Projected new floor
1280.9
Projected new K-facor
28
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
Curent Raw rating
1807.5
Curent Weighted rating
1726.9
Curent Weighted performance
1770.6
Current official/published rating (highest between Raw, WR and WP)
1807.5
Current floor (min rating allowed)
1312.3
Current highest rating achieved
1812.3
Current K-factor
24
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)
±69.8
Current Raw change used (final)
0.0
Projected new Raw rating
1807.5
Projected new Weighed rating
1736.6
Projected new Weighted performance
1770.6
Projected new official/published rating (highest between new Raw, new WR and new WP)
1807.5
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1812.3
Projected new floor
1312.3
Projected new K-facor
24
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
Curent Raw rating
1594.9
Curent Weighted rating
1393.2
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1594.9
Current floor (min rating allowed)
1094.9
Current highest rating achieved
1594.9
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)
±94.5
Current Raw change used (final)
0.0
Projected new Raw rating
1594.9
Projected new Weighed rating
1414.9
Projected new Weighted performance
0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
1594.9
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1594.9
Projected new floor
1094.9
Projected new K-facor
32
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
Curent Raw rating
1227.6
Curent Weighted rating
1216.6
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1227.6
Current floor (min rating allowed)
1094.9
Current highest rating achieved
1227.6
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)
±159.4
Current Raw change used (final)
0.0
Projected new Raw rating
1227.6
Projected new Weighed rating
1218.1
Projected new Weighted performance
0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
1227.6
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1227.6
Projected new floor
1094.9
Projected new K-facor
36
Tournaments
History
Did not participate this month.
#
Tournament
Start
End
Host
Type
Time
Weight
Rns
Gms
Scr
Main
Type
Analysis
4
2024 Lubowski Open Chess Tournament (A)
2024/03/23
2024/03/24
Tshwane (GTP)
Standard
90
0.94
5
5
2.0
1779.6
1812.3
Analysis
3
2024 Chris Greyling Open Chess Tournament (Prestige)
2024/03/16
2024/03/16
Tshwane (GTP)
Standard
60
0.83
5
5
2.5
1779.6
1812.3
Analysis
2
2024 Tshwane Chess OPEN Registration Tournament (Prestige)
2024/01/27
2024/01/27
Tshwane (GTP)
Standard
60
0.83
5
5
2.0
1715.3
1708.8
Analysis
1
2024 Gauteng Inter-Region Chess Championship (U16A)
2024/01/13
2024/01/14
Tshwane (GTP)
Standard
90
0.94
5
5
4.5
1715.3
1708.8
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
72
2024 Lubowski Open Chess Tournament (A)
2024/03/23
2024/03/24
Tshwane (GTP)
Standard
90
0.94
5
5
2.0
1779.6
1812.3
Analysis
71
2024 Chris Greyling Open Chess Tournament (Prestige)
2024/03/16
2024/03/16
Tshwane (GTP)
Standard
60
0.83
5
5
2.5
1779.6
1812.3
Analysis
70
2024 Tshwane Chess OPEN Registration Tournament (Prestige)
2024/01/27
2024/01/27
Tshwane (GTP)
Standard
60
0.83
5
5
2.0
1715.3
1708.8
Analysis
69
2024 Gauteng Inter-Region Chess Championship (U16A)
2024/01/13
2024/01/14
Tshwane (GTP)
Standard
90
0.94
5
5
4.5
1715.3
1708.8
Analysis
68
2023 Centurion Chess Open (A)
2023/09/23
2023/09/23
Tshwane (GTP)
Standard
60
0.83
5
5
1.5
1754.3
1751.4
Analysis
67
2023 Etienne Lewis Closed Tournament (U16)
2023/08/25
2023/08/27
Tshwane (GTP)
Standard
90
0.94
7
7
7.0
1690.3
1692.9
Analysis
66
FIDE World Youth U16 Chess Olympiad 2023
2023/08/13
2023/08/18
Netherlands (NED)
Rapid
55
0.80
9
8
4.5
1690.3
1215.8
Analysis
65
DR Kenneth Kaunda Volkies 29 Jul 2023 (A)
2023/07/29
2023/07/29
Dr Kenneth Kaunda (NWP)
Standard
60
0.83
5
5
4.5
1674.3
1673.3
Analysis
64
2023 Lubowski Open Tournament (A)
2023/06/24
2023/06/25
Tshwane (GTP)
Standard
90
0.94
5
5
2.0
1701.4
1699.3
Analysis
63
2023 Elize Steenkamp Open Tournament (A)
2023/06/16
2023/06/17
Tshwane (GTP)
Standard
90
0.94
6
6
3.0
1701.4
1699.3
Analysis
62
2023 Milos Ristic Open Tournament (A)
2023/04/27
2023/04/27
Tshwane (GTP)
Standard
60
0.83
5
5
3.0
1720.5
1720.0
Analysis
61
2023 South African Junior Closed Chess Championships (U16 Open)
2023/03/31
2023/04/04
Chess South Africa (CSA)
Standard
120
1.00
9
9
5.0
1720.5
1720.0
Analysis
60
2023 Afrikaans Hoër Seunskool Open Chess Tournament (A)
2023/03/04
2023/03/04
Tshwane (GTP)
Standard
60
0.83
5
5
1.5
1741.9
1741.6
Analysis
59
2023 Piet Robbertse Fide Rated Open Chess Tournament (A)
2023/02/04
2023/02/05
Tshwane (GTP)
Standard
90
0.94
5
5
3.0
1648.1
1650.2
Analysis
58
2023 Tshwane Chess Open Registration Tournament (A)
2023/01/28
2023/01/28
Tshwane (GTP)
Standard
60
0.83
5
5
4.0
1595.4
1592.5
Analysis
57
2022 South African Junior Team Chess Championships (U16 Open)
2022/12/04
2022/12/08
4 Knights (4K)
Standard
120
1.00
7
7
4.0
1602.4
1600.1
Analysis
56
2022 Etienne Lewis (U16 Open)
2022/09/02
2022/09/04
Tshwane (GTP)
Standard
90
0.94
7
7
5.5
1565.1
1561.1
Analysis
55
2022 Jacaranda Round Robin (B)
2022/07/30
2022/07/30
Tshwane (GTP)
Standard
60
0.83
5
5
1.0
1543.5
1567.2
Analysis
54
South African Open 2022 (Blitz)
2022/07/14
2022/07/14
Cape Town (WCT)
Blitz
5
0.18
10
10
5.0
1543.5
1060.6
Analysis
53
South African Open 2022 (Championship)
2022/07/09
2022/07/17
Cape Town (WCT)
Standard
120
1.00
11
11
4.5
1543.5
1567.2
Analysis
1
2
3
4
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
20
9
4
7
11.0
55.0
42.5
1816.1
1858.6
White
9
6
0
3
6.0
66.7
141.7
1806.4
1948.0
Black
11
3
4
4
5.0
45.5
-38.6
1824.1
1785.5
Standard
All
20
9
4
7
11.0
55.0
42.5
1816.1
1858.6
White
9
6
0
3
6.0
66.7
141.7
1806.4
1948.0
Black
11
3
4
4
5.0
45.5
-38.6
1824.1
1785.5
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
419
214
51
154
239.5
57.2
60.9
1402.9
1463.8
White
207
116
24
67
128.0
61.8
100.6
1379.0
1479.6
Black
212
98
27
87
111.5
52.6
22.1
1426.3
1448.4
Standard
All
356
181
49
126
205.5
57.7
65.7
1408.2
1473.9
White
176
98
24
54
110.0
62.5
106.3
1379.0
1485.2
Black
180
83
25
72
95.5
53.1
26.0
1436.9
1462.8
Rapid
All
27
16
1
10
16.5
61.1
94.4
1419.0
1513.4
White
14
8
0
6
8.0
57.1
60.7
1479.8
1540.5
Black
13
8
1
4
8.5
65.4
130.8
1353.5
1484.3
Blitz
All
36
17
1
18
17.5
48.6
-11.8
1338.2
1326.4
White
17
10
0
7
10.0
58.8
75.0
1295.8
1370.8
Black
19
7
1
11
7.5
39.5
-89.5
1376.1
1286.6
Top 20 opponents most often played
#
Chess SA id
Name
Games
Score
Wins
Draws
Losses
%
Aor
Dp
Perform
View
1
108045082
Koning, L (Lehan)
7
4.5
3
3
1
64.3
1443.4
121.4
1564.8
View list
2
108082684
De Vries, MA (Andrio)
6
5.0
5
0
1
83.3
1513.8
283.3
1797.1
View list
3
108076196
Potgieter, E (Edward)
6
3.5
3
1
2
58.3
1403.8
70.8
1474.6
View list
4
109086379
Jacobs, CN (Calvin Nicholas)
6
1.5
1
1
4
25.0
1499.5
-212.5
1287.0
View list
5
108052034
Du Toit, SJM (Stephanus (Matteo))
5
4.0
4
0
1
80.0
1383.3
255.0
1638.3
View list
6
107086377
Jacobs, TB (Tiaan Benjamin)
5
2.5
2
1
2
50.0
1412.7
0.0
1412.7
View list
7
107046393
Fourie, K (Keanan)
5
2.0
2
0
3
40.0
1347.3
-85.0
1262.3
View list
8
109069454
Sathish, A (Abinavah)
5
2.0
1
2
2
40.0
1504.3
-85.0
1419.3
View list
9
184019054
Mabusela, JM (Johannes)
5
0.0
0
0
5
0.0
1717.3
-425.0
1292.3
View list
10
106060952
Viljoen, J (Jaden)
4
3.0
3
0
1
75.0
1302.3
212.5
1514.8
View list
11
108064849
Ziegenhagen, V (Vian Luke)
4
2.0
2
0
2
50.0
1440.2
0.0
1440.2
View list
12
108079781
Soojay, J (Jorah)
4
0.0
0
0
4
0.0
1452.8
-425.0
1027.8
View list
13
108086541
Louw, R (Raynor)
3
3.0
3
0
0
100.0
1607.0
425.0
2032.0
View list
14
108057851
Malan, H (Henco)
3
2.5
2
1
0
83.3
1242.2
283.3
1525.5
View list
15
105090318
Shuping, O (Omphile)
3
2.5
2
1
0
83.3
1548.6
283.3
1831.9
View list
16
107050552
Van Der Westhuizen, F (Frederik)
3
2.0
1
2
0
66.7
1182.5
141.7
1324.2
View list
17
110086011
Felix, R (Raphael)
3
1.5
1
1
1
50.0
1456.4
0.0
1456.4
View list
18
107069948
Jones, W (William)
3
1.5
1
1
1
50.0
1487.2
0.0
1487.2
View list
19
105046331
Ristic, A (Andrej)
3
1.5
1
1
1
50.0
1418.3
0.0
1418.3
View list
20
103007373
Dinham, J (James)
3
1.0
1
0
2
33.3
1628.8
-141.7
1487.1
View list