Chess South Africa
Last updated:
Player Page
Home
Chess South Africa
Bester, C (Christoff)
Dob:
2008/02/12 (U18)
Gender:
Male
Chess SA id:
108068738
FIDE id:
Region:
Cape Winelands (WCW)
Citizen:
RSA
Title(s):
Last active:
2024/07/27 (43 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
1250.1
Current Weighted rating
1266.6
Current Weighted performance
1122.3
Current official/published rating (highest between Raw, WR and WP)
1266.6
Current highest rating achieved
1323.6
Current floor (min rating allowed)
823.6
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)
±154.4
Current Raw change used (final)
0.0
Projected new Raw rating
1250.1
Projected new Weighed rating
1166.4
Projected new Weighted performance
1122.3
Projected new final Raw rating (if new WP > new Raw)
1250.1
Projected new highest rating
1323.6
Projected new floor
823.6
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1250.1
Projected effective change (new Official - current Official)
-16.5
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
1189.3
Current Weighted rating
1220.0
Current Weighted performance
1066.5
Current official/published rating (highest between Raw, WR and WP)
1220.0
Current highest rating achieved
1282.9
Current floor (min rating allowed)
782.9
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)
±168.4
Current Raw change used (final)
0.0
Projected new Raw rating
1189.3
Projected new Weighed rating
1123.4
Projected new Weighted performance
1066.5
Projected new final Raw rating (if new WP > new Raw)
1189.3
Projected new highest rating
1282.9
Projected new floor
782.9
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1189.3
Projected effective change (new Official - current Official)
-30.7
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
1281.2
Current Weighted rating
1251.6
Current Weighted performance
939.6
Current official/published rating (highest between Raw, WR and WP)
1281.2
Current highest rating achieved
1281.2
Current floor (min rating allowed)
781.2
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)
±147.7
Current Raw change used (final)
0.0
Projected new Raw rating
1281.2
Projected new Weighed rating
1152.3
Projected new Weighted performance
939.6
Projected new final Raw rating (if new WP > new Raw)
1281.2
Projected new highest rating
1281.2
Projected new floor
781.2
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1281.2
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
947.6
Current Weighted rating
947.6
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
947.6
Current highest rating achieved
947.6
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)
±237.6
Current Raw change used (final)
0.0
Projected new Raw rating
947.6
Projected new Weighed rating
871.8
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating
947.6
Projected new floor
500.0
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
947.6
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
3
Cape Winelands - Top Schools 2024 (U18 Mixed)
2024/07/27
2024/07/27
Cape Winelands (WCW)
Standard
60
0.83
5
4
1.0
1265.0
1195.1
Analysis
2
Cape Winelands Schools - Prestige 2024 (U18 Boys)
2024/03/02
2024/03/02
Cape Winelands (WCW)
Standard
60
0.83
5
5
1.0
1323.6
1253.4
Analysis
1
Cape Winelands Schools - HS Trials 1 2024 (U18 Boys)
2024/02/17
2024/02/17
Cape Winelands (WCW)
Rapid
35
0.66
6
6
4.5
1274.9
1221.4
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
28
Cape Winelands - Top Schools 2024 (U18 Mixed)
2024/07/27
2024/07/27
Cape Winelands (WCW)
Standard
60
0.83
5
4
1.0
1265.0
1195.1
Analysis
27
Cape Winelands Schools - Prestige 2024 (U18 Boys)
2024/03/02
2024/03/02
Cape Winelands (WCW)
Standard
60
0.83
5
5
1.0
1323.6
1253.4
Analysis
26
Cape Winelands Schools - HS Trials 1 2024 (U18 Boys)
2024/02/17
2024/02/17
Cape Winelands (WCW)
Rapid
35
0.66
6
6
4.5
1274.9
1221.4
Analysis
25
Western Cape Closed Championship 2023 (E)
2023/09/24
2023/09/25
Cape Town (WCT)
Standard
90
0.94
6
6
3.5
1268.5
1245.8
Analysis
24
CW Top Schools 2023 (U18 Mix)
2023/08/26
2023/08/26
Cape Winelands (WCW)
Rapid
32
0.63
5
2
1.0
1274.4
1226.4
Analysis
23
Western Cape HS Individuals 2023 (U15 Boys)
2023/04/01
2023/04/02
Cape Town (WCT)
Standard
60
0.83
6
6
2.0
1305.8
1282.9
Analysis
22
Cape Winelands Schools Prestige 2023 (U15 Boys)
2023/03/11
2023/03/11
Cape Winelands (WCW)
Standard
60
0.83
5
5
3.5
1209.6
1168.4
Analysis
21
Cape Winelands Schools Chess - Trials 1 2023 (U15 Boys)
2023/02/25
2023/02/25
Cape Winelands (WCW)
Standard
60
0.83
5
5
3.5
1159.1
1088.8
Analysis
20
Western Cape Closed Championship 2022 (Open)
2022/09/24
2022/09/25
Cape Winelands (WCW)
Standard
70
0.87
6
6
2.0
1235.7
1160.0
Analysis
19
2022 Western Province Club League (C)
2022/08/20
2022/10/01
Cape Town (WCT)
Standard
120
1.00
11
3
0.0
1194.4
1119.6
Analysis
18
Ceres Open 2022 (B)
2022/04/23
2022/04/23
Cape Winelands (WCW)
Standard
65
0.85
6
6
4.0
1216.7
1112.8
Analysis
17
Cape Winelands Schools 2022 (U15 Boys)
2022/03/05
2022/03/05
Cape Winelands (WCW)
Standard
60
0.83
5
5
3.0
1195.5
1061.2
Analysis
16
Central Winelands Schools Individual Trials 2022 (U15 Boys)
2022/02/19
2022/02/19
Cape Winelands (WCW)
Rapid
35
0.66
5
5
4.0
1146.9
1159.2
Analysis
15
Cape Winelands Schools Trials 1 2020 (U13 Boys)
2020/02/08
2020/02/08
Cape Winelands (WCW)
Rapid
30
0.60
6
6
3.0
1147.6
1165.2
Analysis
14
Western Cape Top Schools 2019 (U11 Mix)
2019/08/31
2019/09/01
Cape Winelands (WCW)
Standard
60
0.83
5
4
1.0
1166.2
1068.4
Analysis
13
Cape Winelands Schools - Top Schools 2019 (U11 Mix)
2019/07/27
2019/07/27
Cape Winelands (WCW)
Rapid
30
0.60
5
4
3.0
1139.1
1122.4
Analysis
12
Western Cape Schools Individuals 2019 (U11 Boys)
2019/05/18
2019/05/19
Eden District (WEG)
Standard
60
0.83
6
6
2.0
1157.0
1040.4
Analysis
11
Rhenish Primary Chess Tournament 2019 (U12)
2019/05/11
2019/05/11
Cape Winelands (WCW)
Rapid
30
0.60
7
7
3.0
1157.0
1183.2
Analysis
10
Cape Winelands Schools Closed 2019 (U11 Boys)
2019/03/16
2019/03/17
Cape Winelands (WCW)
Standard
60
0.83
7
7
4.0
1119.5
947.6
Analysis
9
Welgemoed Chess Challenge 2019 (U12)
2019/02/23
2019/02/23
Cape Town (WCT)
Rapid
30
0.60
5
5
3.0
1058.5
1105.2
Analysis
1
2
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
15
6
1
8
6.5
43.3
-56.7
1325.2
1268.5
White
8
4
0
4
4.0
50.0
0.0
1353.9
1353.9
Black
7
2
1
4
2.5
35.7
-121.4
1292.4
1171.0
Standard
All
9
2
0
7
2.0
22.2
-236.1
1306.3
1070.1
White
5
2
0
3
2.0
40.0
-85.0
1345.7
1260.7
Black
4
0
0
4
0.0
0.0
-425.0
1257.0
832.0
Rapid
All
6
4
1
1
4.5
75.0
212.5
1353.6
1566.1
White
3
2
0
1
2.0
66.7
141.7
1367.6
1509.3
Black
3
2
1
0
2.5
83.3
283.3
1339.6
1622.9
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
153
77
6
70
80.0
52.3
19.4
1173.4
1192.8
White
79
36
5
38
38.5
48.7
-10.8
1166.3
1155.5
Black
74
41
1
32
41.5
56.1
51.7
1181.0
1232.7
Standard
All
86
36
5
45
38.5
44.8
-44.5
1192.7
1148.2
White
41
16
5
20
18.5
45.1
-41.5
1194.4
1153.0
Black
45
20
0
25
20.0
44.4
-47.2
1191.1
1143.9
Rapid
All
67
41
1
25
41.5
61.9
101.5
1148.6
1250.1
White
38
20
0
18
20.0
52.6
22.4
1135.9
1158.3
Black
29
21
1
7
21.5
74.1
205.2
1165.2
1370.4
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
109078336
Willis, C (Cronan)
5
0.5
0
1
4
10.0
1126.4
-340.0
786.4
View list
2
108073346
Neels, JL (Jayden-Lee)
4
1.0
1
0
3
25.0
1145.5
-212.5
933.0
View list
3
108059020
Geyser, JM (Jacobus)
4
0.0
0
0
4
0.0
1092.5
-425.0
667.5
View list
4
1090107941
Grobbelaar, A (Altus)
2
2.0
2
0
0
100.0
1089.0
425.0
1514.0
View list
5
1080106137
Hill, MT (Morgan Taylor)
2
2.0
2
0
0
100.0
1139.1
425.0
1564.1
View list
6
1090118431
Khana, D (Dequin)
2
2.0
2
0
0
100.0
1139.1
425.0
1564.1
View list
7
108078337
Kritzinger, C (Christiaan)
2
2.0
2
0
0
100.0
1089.0
425.0
1514.0
View list
8
1080192772
Morilly, C (Coden)
2
2.0
2
0
0
100.0
1299.3
425.0
1724.3
View list
9
1100118430
Springveldt, L (Lael)
2
2.0
2
0
0
100.0
1139.1
425.0
1564.1
View list
10
1080151272
Valla, D (Dante)
2
2.0
2
0
0
100.0
1184.3
425.0
1609.3
View list
11
1070097986
Bosch, D (Dan)
2
1.0
1
0
1
50.0
1012.1
0.0
1012.1
View list
12
1060108632
Maree, B (Brevin)
2
1.0
1
0
1
50.0
1270.0
0.0
1270.0
View list
13
107078359
Davids, R (Rafael)
2
0.5
0
1
1
25.0
1036.0
-212.5
823.5
View list
14
1080113447
February, E (Ethan)
2
0.5
0
1
1
25.0
1270.0
-212.5
1057.5
View list
15
107078342
King, B (Brandon)
2
0.0
0
0
2
0.0
1012.1
-425.0
587.1
View list
16
107078350
Randelhoff, J (Jordan)
2
0.0
0
0
2
0.0
1122.2
-425.0
697.2
View list
17
1080097987
Velem, R (Renico)
2
0.0
0
0
2
0.0
1011.8
-425.0
586.8
View list
18
108087019
Bannister, J (Joshua)
1
1.0
1
0
0
100.0
818.8
425.0
1243.8
View list
19
1070108638
Badenhorst, S (Stephan)
1
1.0
1
0
0
100.0
1146.9
425.0
1571.9
View list
20
1070132331
Boonzaaier, L (Logan)
1
1.0
1
0
0
100.0
1147.6
425.0
1572.6
View list