Chess South Africa
Last updated:
Player Page
Home
Chess South Africa
Cerfonteyn, R (Raees)
Dob:
2014/03/05 (U12)
Gender:
Male
Chess SA id:
1140140461
FIDE id:
Region:
Nelson Mandela Bay (ENM)
Citizen:
RSA
Title(s):
Last active:
2024/08/17 (35 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
1306.3
Current Weighted rating
1204.9
Current Weighted performance
1309.1
Current official/published rating (highest between Raw, WR and WP)
1309.1
Current highest rating achieved
1306.3
Current floor (min rating allowed)
806.3
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)
±142.5
Current Raw change used (final)
0.0
Projected new Raw rating
1306.3
Projected new Weighed rating
1110.1
Projected new Weighted performance
1309.1
Projected new final Raw rating (if new WP > new Raw)
1309.1
Projected new highest rating
1309.1
Projected new floor
809.1
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1309.1
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
1346.4
Current Weighted rating
1224.6
Current Weighted performance
1328.6
Current official/published rating (highest between Raw, WR and WP)
1346.4
Current highest rating achieved
1346.4
Current floor (min rating allowed)
846.4
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)
±134.6
Current Raw change used (final)
0.0
Projected new Raw rating
1346.4
Projected new Weighed rating
1128.3
Projected new Weighted performance
1328.6
Projected new final Raw rating (if new WP > new Raw)
1346.4
Projected new highest rating
1346.4
Projected new floor
846.4
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1346.4
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
1145.6
Current Weighted rating
1138.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1145.6
Current highest rating achieved
1145.6
Current floor (min rating allowed)
645.6
Current K-factor
40
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)
±179.2
Current Raw change used (final)
0.0
Projected new Raw rating
1145.6
Projected new Weighed rating
1047.0
Projected new Weighted performance
797.8
Projected new final Raw rating (if new WP > new Raw)
1145.6
Projected new highest rating
1145.6
Projected new floor
645.6
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
1145.6
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
1143.6
Current Weighted rating
1143.6
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1143.6
Current highest rating achieved
1143.6
Current floor (min rating allowed)
643.6
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)
±179.7
Current Raw change used (final)
0.0
Projected new Raw rating
1143.6
Projected new Weighed rating
1052.1
Projected new Weighted performance
262.5
Projected new final Raw rating (if new WP > new Raw)
1143.6
Projected new highest rating
1143.6
Projected new floor
643.6
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
1143.6
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
6
NMBCU Trial 5 2024 (U12)
2024/08/16
2024/08/17
Nelson Mandela Bay (ENM)
Standard
60
0.83
6
6
3.0
1296.4
1333.2
Analysis
5
NMBCU Trials 4 2024 (U12)
2024/07/12
2024/07/13
Nelson Mandela Bay (ENM)
Standard
60
0.83
6
6
4.0
1257.3
1271.5
Analysis
4
Willow Academy 2024 (B)
2024/06/22
2024/06/22
Nelson Mandela Bay (ENM)
Rapid
20
0.47
6
6
3.0
1260.0
1135.6
Analysis
3
NMBCU Trial 3 2024 (U12)
2024/05/10
2024/05/11
Nelson Mandela Bay (ENM)
Standard
60
0.83
6
6
3.0
1210.5
1227.2
Analysis
2
Pearson Open Chess Tournament 2024 (C)
2024/02/23
2024/02/24
Nelson Mandela Bay (ENM)
Standard
60
0.83
5
5
3.0
1162.2
1180.8
Analysis
1
NMBCU Trials 1 2024 (U12)
2024/02/16
2024/02/16
Nelson Mandela Bay (ENM)
Standard
60
0.83
6
6
3.0
1162.2
1180.8
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
17
NMBCU Trial 5 2024 (U12)
2024/08/16
2024/08/17
Nelson Mandela Bay (ENM)
Standard
60
0.83
6
6
3.0
1296.4
1333.2
Analysis
16
NMBCU Trials 4 2024 (U12)
2024/07/12
2024/07/13
Nelson Mandela Bay (ENM)
Standard
60
0.83
6
6
4.0
1257.3
1271.5
Analysis
15
Willow Academy 2024 (B)
2024/06/22
2024/06/22
Nelson Mandela Bay (ENM)
Rapid
20
0.47
6
6
3.0
1260.0
1135.6
Analysis
14
NMBCU Trial 3 2024 (U12)
2024/05/10
2024/05/11
Nelson Mandela Bay (ENM)
Standard
60
0.83
6
6
3.0
1210.5
1227.2
Analysis
13
Pearson Open Chess Tournament 2024 (C)
2024/02/23
2024/02/24
Nelson Mandela Bay (ENM)
Standard
60
0.83
5
5
3.0
1162.2
1180.8
Analysis
12
NMBCU Trials 1 2024 (U12)
2024/02/16
2024/02/16
Nelson Mandela Bay (ENM)
Standard
60
0.83
6
6
3.0
1162.2
1180.8
Analysis
11
NMBCU Trial 4 2023 (U10)
2023/07/28
2023/07/29
Nelson Mandela Bay (ENM)
Standard
60
0.83
6
6
3.0
1149.7
1162.8
Analysis
10
EP Trials 3 2023 (U10)
2023/05/05
2023/05/06
Nelson Mandela Bay (ENM)
Standard
60
0.83
6
6
3.0
1133.6
1143.0
Analysis
9
NMB 2nd Trials 2023 (U10)
2023/03/24
2023/03/25
Nelson Mandela Bay (ENM)
Standard
60
0.83
6
6
3.0
1125.1
1133.6
Analysis
8
Youth Chess Acadamy Rapid Tournament 2023 (B)
2023/03/11
2023/03/11
Nelson Mandela Bay (ENM)
Rapid
15
0.39
5
5
2.0
1125.1
1138.0
Analysis
7
2023 Pearson Open Chess Tournament (D)
2023/02/24
2023/02/25
Nelson Mandela Bay (ENM)
Standard
60
0.83
5
4
0.0
1175.6
1196.2
Analysis
6
NMB 1st Trials 2023 (U8+U10)
2023/02/17
2023/02/18
Nelson Mandela Bay (ENM)
Standard
60
0.83
6
6
3.0
1175.6
1196.2
Analysis
5
2022 Westering Tournament (Rapid)
2022/08/27
2022/08/27
Nelson Mandela Bay (ENM)
Rapid
12
0.33
5
5
1.0
1239.0
1200.0
Analysis
4
2022 Westering Tournament (Blitz)
2022/08/27
2022/08/27
Nelson Mandela Bay (ENM)
Blitz
5
0.18
7
7
2.0
1239.0
1200.0
Analysis
3
2022 NMBCU Closed 2022 (U10)
2022/08/19
2022/08/20
Nelson Mandela Bay (ENM)
Standard
60
0.83
5
4
1.0
1239.0
1244.1
Analysis
2
NMBCU Trial 3 2022 (U10)
2022/07/22
2022/07/23
Nelson Mandela Bay (ENM)
Standard
60
0.83
6
6
3.0
1246.5
1256.0
Analysis
1
2022 NMB Junior Trials 2 (U8)
2022/05/13
2022/05/14
Nelson Mandela Bay (ENM)
Standard
60
0.83
5
5
4.0
1200.0
1200.0
Analysis
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
35
19
0
16
19.0
54.3
36.4
1293.4
1329.9
White
19
11
0
8
11.0
57.9
67.1
1322.1
1389.2
Black
16
8
0
8
8.0
50.0
0.0
1259.3
1259.3
Standard
All
29
16
0
13
16.0
55.2
44.0
1305.1
1349.0
White
16
10
0
6
10.0
62.5
106.3
1323.0
1429.2
Black
13
6
0
7
6.0
46.2
-32.7
1283.0
1250.3
Rapid
All
6
3
0
3
3.0
50.0
0.0
1237.2
1237.2
White
3
1
0
2
1.0
33.3
-141.7
1317.7
1176.0
Black
3
2
0
1
2.0
66.7
141.7
1156.7
1298.4
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
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
95
43
2
50
44.0
46.3
-31.3
1242.2
1210.8
White
49
23
0
26
23.0
46.9
-26.0
1244.8
1218.8
Black
46
20
2
24
21.0
45.7
-37.0
1239.3
1202.4
Standard
All
72
35
2
35
36.0
50.0
0.0
1240.0
1240.0
White
38
19
0
19
19.0
50.0
0.0
1249.8
1249.8
Black
34
16
2
16
17.0
50.0
0.0
1229.0
1229.0
Rapid
All
16
6
0
10
6.0
37.5
-106.3
1250.7
1144.5
White
8
3
0
5
3.0
37.5
-106.3
1240.1
1133.8
Black
8
3
0
5
3.0
37.5
-106.3
1261.4
1155.1
Blitz
All
7
2
0
5
2.0
28.6
-182.1
1244.7
1062.6
White
3
1
0
2
1.0
33.3
-141.7
1194.0
1052.3
Black
4
1
0
3
1.0
25.0
-212.5
1282.8
1070.3
Top 20 opponents most often played
#
Chess SA id
Name
Games
Score
Wins
Draws
Losses
%
Aor
Dp
Perform
View
1
1140143836
Boggenpoel, L (Levi)
8
2.0
2
0
6
25.0
1184.9
-212.5
972.4
View list
2
1140140466
Mouton, W (Wyatt)
5
3.0
3
0
2
60.0
1219.1
85.0
1304.1
View list
3
2130131339
Adams, C (Ciara)
4
0.0
0
0
4
0.0
1177.6
-425.0
752.6
View list
4
1150143842
Crawford, D (Dean)
4
0.0
0
0
4
0.0
1174.5
-425.0
749.5
View list
5
2140139787
Snyman, K (Karlien)
3
3.0
3
0
0
100.0
1152.9
425.0
1577.9
View list
6
1150146349
Jacobs, J (Joel)
3
2.0
2
0
1
66.7
1148.5
141.7
1290.2
View list
7
2140151201
Schreinders, M (Mia)
3
2.0
2
0
1
66.7
1172.0
141.7
1313.7
View list
8
1140139786
Jones, A (Adrian)
3
1.0
1
0
2
33.3
1198.7
-141.7
1057.1
View list
9
1140143838
Manton, C (Charlie)
3
0.5
0
1
2
16.7
1185.2
-283.3
901.9
View list
10
1130131970
Chipunza, J (Jaden)
3
0.0
0
0
3
0.0
1227.5
-425.0
802.5
View list
11
1140151191
Koutsouvelis, M (Matthew)
2
2.0
2
0
0
100.0
1233.9
425.0
1658.9
View list
12
2130139738
Schler, J (Jannei)
2
2.0
2
0
0
100.0
1251.9
425.0
1676.9
View list
13
1140139788
Swanepoel, B (Bijan)
2
2.0
2
0
0
100.0
1203.5
425.0
1628.5
View list
14
2130160719
Swartz, J (Jane)
2
2.0
2
0
0
100.0
1278.2
425.0
1703.2
View list
15
1050146333
Mbanzi, A (Aviwe)
2
1.0
1
0
1
50.0
1239.0
0.0
1239.0
View list
16
2130139731
Grobler, M (Mia)
2
0.0
0
0
2
0.0
1267.7
-425.0
842.7
View list
17
1130112094
Driscoll, S (Samuel)
2
0.0
0
0
2
0.0
1253.5
-425.0
828.5
View list
18
2160140464
Kapp, A (Amelie)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
19
1120191842
Arries, J (Jayde)
1
1.0
1
0
0
100.0
1260.0
425.0
1685.0
View list
20
2130151204
Arbi, I (Imaan)
1
1.0
1
0
0
100.0
1257.3
425.0
1682.3
View list