Chess South Africa
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Chess South Africa
Du Plessis, S (Stefan)
Dob:
2007/04/07 (U18)
Gender:
Male
Chess SA id:
107087110
FIDE id:
Region:
West Coast (WCU)
Citizen:
RSA
Title(s):
Last active:
2024/05/11 (77 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
1438.0
Current Weighted rating
1442.7
Current Weighted performance
1273.8
Current official/published rating (highest between Raw, WR and WP)
1442.7
Current highest rating achieved
1485.4
Current floor (min rating allowed)
985.4
Current K-factor
32
Games played this month
-4
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)
±118.1
Current Raw change used (final)
0.0
Projected new Raw rating
1438.0
Projected new Weighed rating
1329.5
Projected new Weighted performance
1273.8
Projected new final Raw rating (if new WP > new Raw)
1438.0
Projected new highest rating
1485.4
Projected new floor
985.4
Projected new K-facor
32
Projected new official/published rating (highest between new Raw, new WR and new WP)
1438.0
Projected effective change (new Official - current Official)
-4.7
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
1365.0
Current Weighted rating
1369.2
Current Weighted performance
1255.6
Current official/published rating (highest between Raw, WR and WP)
1369.2
Current highest rating achieved
1401.8
Current floor (min rating allowed)
901.8
Current K-factor
32
Games played this month
-4
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)
±131.1
Current Raw change used (final)
0.0
Projected new Raw rating
1365.0
Projected new Weighed rating
1261.8
Projected new Weighted performance
1255.6
Projected new final Raw rating (if new WP > new Raw)
1365.0
Projected new highest rating
1401.8
Projected new floor
901.8
Projected new K-facor
32
Projected new official/published rating (highest between new Raw, new WR and new WP)
1365.0
Projected effective change (new Official - current Official)
-4.2
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
1420.8
Current Weighted rating
1378.6
Current Weighted performance
1368.9
Current official/published rating (highest between Raw, WR and WP)
1420.8
Current highest rating achieved
1430.4
Current floor (min rating allowed)
930.4
Current K-factor
32
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)
±121.1
Current Raw change used (final)
0.0
Projected new Raw rating
1420.8
Projected new Weighed rating
1270.5
Projected new Weighted performance
1368.9
Projected new final Raw rating (if new WP > new Raw)
1420.8
Projected new highest rating
1430.4
Projected new floor
930.4
Projected new K-facor
32
Projected new official/published rating (highest between new Raw, new WR and new WP)
1420.8
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
709.2
Current Weighted rating
709.2
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
709.2
Current highest rating achieved
709.2
Current floor (min rating allowed)
500.0
Current K-factor
40
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)
±333.7
Current Raw change used (final)
0.0
Projected new Raw rating
709.2
Projected new Weighed rating
652.5
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating
709.2
Projected new floor
500.0
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
709.2
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
4
Lower West Top Schools 2024 (U18)
2024/05/11
2024/05/11
West Coast (WCU)
Rapid
30
0.60
5
4
2.0
1444.0
1430.4
Analysis
3
Western Cape HS Individuals Championship 2024 (U18 Boys)
2024/03/21
2024/03/22
Overberg (WOS)
Standard
60
0.83
6
6
2.5
1485.4
1401.8
Analysis
2
West Coast Schools Chess Prestige Championships 2024 (U18+U20 Boys)
2024/02/24
2024/02/24
West Coast (WCU)
Rapid
30
0.60
5
5
4.0
1475.8
1381.8
Analysis
1
Lower West Coast Schools Chess Prestige 2024 (U18 Boys)
2024/02/17
2024/02/17
West Coast (WCU)
Rapid
30
0.60
5
5
4.0
1475.8
1381.8
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
29
Lower West Top Schools 2024 (U18)
2024/05/11
2024/05/11
West Coast (WCU)
Rapid
30
0.60
5
4
2.0
1444.0
1430.4
Analysis
28
Western Cape HS Individuals Championship 2024 (U18 Boys)
2024/03/21
2024/03/22
Overberg (WOS)
Standard
60
0.83
6
6
2.5
1485.4
1401.8
Analysis
27
West Coast Schools Chess Prestige Championships 2024 (U18+U20 Boys)
2024/02/24
2024/02/24
West Coast (WCU)
Rapid
30
0.60
5
5
4.0
1475.8
1381.8
Analysis
26
Lower West Coast Schools Chess Prestige 2024 (U18 Boys)
2024/02/17
2024/02/17
West Coast (WCU)
Rapid
30
0.60
5
5
4.0
1475.8
1381.8
Analysis
25
West Coast Primary Schools Grand Challenge League 2023 (High School)
2023/10/21
2023/10/21
West Coast (WCU)
Rapid
15
0.39
5
5
4.0
1468.7
1346.2
Analysis
24
Pedro Booyse Top Schools 2023 (High School)
2023/07/29
2023/07/29
West Coast (WCU)
Standard
60
0.83
5
5
5.0
1418.1
1347.1
Analysis
23
Lower West Coast Top Schools Championships 2023 (High School)
2023/06/10
2023/06/10
West Coast (WCU)
Rapid
30
0.60
5
4
2.5
1406.8
1323.2
Analysis
22
Western Cape HS Individuals 2023 (U17 Boys)
2023/04/01
2023/04/02
Cape Town (WCT)
Standard
60
0.83
6
6
4.0
1372.4
1284.8
Analysis
21
West Coast High School Championships 2023 (U17 Boys)
2023/02/18
2023/02/18
West Coast (WCU)
Standard
60
0.83
6
6
4.5
1323.6
1254.9
Analysis
20
Lower West Coast High Schools Prestige 2023 (U17 Boys)
2023/02/11
2023/02/11
West Coast (WCU)
Rapid
30
0.60
5
5
4.0
1323.6
1281.8
Analysis
19
West Coast Schools Chess Grand Challenge 2022 (HS Super)
2022/10/29
2022/10/29
West Coast (WCU)
Rapid
30
0.60
5
5
3.0
1320.4
1283.2
Analysis
18
Onder-Weskus Top Skole 2022 (Hoerskool)
2022/06/04
2022/06/04
West Coast (WCU)
Rapid
30
0.60
5
4
2.0
1318.5
1294.0
Analysis
17
Drakenstein Pioneers Open 2022 (B)
2022/03/26
2022/03/26
Cape Winelands (WCW)
Standard
60
0.83
5
5
2.5
1328.4
1259.2
Analysis
16
West Coast Schools Prestige 2022 (U15 Boys)
2022/02/19
2022/02/19
West Coast (WCU)
Standard
60
0.83
6
6
5.0
1263.3
1135.6
Analysis
15
Lower West Coast 2021 (U15 Boys)
2021/04/10
2021/04/10
West Coast (WCU)
Rapid
30
0.60
5
5
3.0
1248.2
1288.2
Analysis
14
West Coast Schools Prestige 2020 (U13 Boys)
2020/03/07
2020/03/07
West Coast (WCU)
Rapid
30
0.60
5
5
3.0
1239.3
1264.7
Analysis
13
Onder Weskus Prestige 2020 (U13 Boys)
2020/02/15
2020/02/22
West Coast (WCU)
Standard
60
0.83
6
6
4.0
1161.3
1043.6
Analysis
12
Back to School Rapid 2020 (Boys)
2020/02/01
2020/02/01
West Coast (WCU)
Rapid
20
0.47
5
5
4.0
1161.3
1106.0
Analysis
11
Western Cape Top Schools 2019 (U13 Mix)
2019/08/31
2019/09/01
Cape Winelands (WCW)
Standard
60
0.83
5
5
2.0
1174.4
1030.4
Analysis
10
Curro Durbanville Chess Tournament 2019 (Premier)
2019/08/23
2019/08/24
Cape Town (WCT)
Standard
60
0.83
6
6
2.0
1206.1
1020.4
Analysis
1
2
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
20
12
1
7
12.5
62.5
106.3
1282.7
1389.0
White
10
7
1
2
7.5
75.0
212.5
1181.4
1393.9
Black
10
5
0
5
5.0
50.0
0.0
1384.0
1384.0
Standard
All
6
2
1
3
2.5
41.7
-70.8
1332.8
1262.0
White
3
1
1
1
1.5
50.0
0.0
1252.9
1252.9
Black
3
1
0
2
1.0
33.3
-141.7
1412.7
1271.1
Rapid
All
14
10
0
4
10.0
71.4
182.1
1261.2
1443.4
White
7
6
0
1
6.0
85.7
303.6
1150.7
1454.3
Black
7
4
0
3
4.0
57.1
60.7
1371.7
1432.5
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
158
98
5
55
100.5
63.6
115.7
1220.5
1336.2
White
82
54
3
25
55.5
67.7
150.3
1193.6
1343.9
Black
76
44
2
30
45.0
59.2
78.3
1249.5
1327.8
Standard
All
79
44
4
31
46.0
58.2
69.9
1218.2
1288.2
White
40
25
2
13
26.0
65.0
127.5
1184.4
1311.9
Black
39
19
2
18
20.0
51.3
10.9
1252.9
1263.8
Rapid
All
79
54
1
24
54.5
69.0
161.4
1222.8
1384.2
White
42
29
1
12
29.5
70.2
172.0
1202.3
1374.3
Black
37
25
0
12
25.0
67.6
149.3
1246.0
1395.3
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
1060096290
Kariem, S (Shakir)
9
1.0
1
0
8
11.1
1294.7
-330.6
964.1
View list
2
108077754
Opperman, M (Matthew)
6
1.0
1
0
5
16.7
1324.4
-283.3
1041.0
View list
3
1060099677
Njokweni, L (Llyabona)
5
1.0
1
0
4
20.0
1265.4
-255.0
1010.4
View list
4
1070134025
Filander, J (Jayrin)
3
3.0
3
0
0
100.0
1421.0
425.0
1846.0
View list
5
106066235
Fillis, J (Jordan)
3
3.0
3
0
0
100.0
1244.4
425.0
1669.4
View list
6
1070131714
Maroem, D (Daron)
3
3.0
3
0
0
100.0
1265.7
425.0
1690.7
View list
7
1060099672
Ruiters, A (Adriaan)
3
3.0
3
0
0
100.0
1225.1
425.0
1650.1
View list
8
108090548
Lewaks, S (Shaundre)
3
2.0
2
0
1
66.7
1197.4
141.7
1339.0
View list
9
1080109625
Boks, L (Li-Thann)
2
2.0
2
0
0
100.0
1142.8
425.0
1567.8
View list
10
1070149726
De Meillon, K (Kian)
2
2.0
2
0
0
100.0
1383.8
425.0
1808.8
View list
11
1070117542
Farao, P (Pharel)
2
2.0
2
0
0
100.0
1142.8
425.0
1567.8
View list
12
1070100543
Kearns, R (Ray)
2
2.0
2
0
0
100.0
1168.3
425.0
1593.3
View list
13
1060110180
Klein, C (Calvin)
2
2.0
2
0
0
100.0
1198.5
425.0
1623.5
View list
14
1060110582
Koegelenberg, D (Daniel)
2
2.0
2
0
0
100.0
1395.3
425.0
1820.3
View list
15
1070110182
Maarman, R (Royaldhino)
2
2.0
2
0
0
100.0
1212.3
425.0
1637.3
View list
16
1080096285
Martins, M (Matthew)
2
2.0
2
0
0
100.0
1142.8
425.0
1567.8
View list
17
106077632
Visser, J (Jp)
2
2.0
2
0
0
100.0
1322.0
425.0
1747.0
View list
18
106066234
Fillis, J (Jared)
2
1.0
1
0
1
50.0
1198.5
0.0
1198.5
View list
19
107087100
Knoesen, Z (Zichri)
2
0.5
0
1
1
25.0
974.3
-212.5
761.8
View list
20
107082126
Saoud, J (Jassem)
2
0.0
0
0
2
0.0
975.5
-425.0
550.5
View list