Chess South Africa
Last updated:
Player Page
Home
Chess South Africa
Kamffer, J (John-Andrew)
Dob:
2015/12/15 (U10)
Gender:
Male
Chess SA id:
1150149230
FIDE id:
Region:
West Rand (GWR)
Citizen:
RSA
Title(s):
Last active:
2024/05/04 (14 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
1153.0
Curent Weighted rating
1183.1
Curent Weighted performance
1055.3
Current official/published rating (highest between Raw, WR and WP)
1183.1
Current floor (min rating allowed)
722.6
Current highest rating achieved
1222.6
Current K-factor
36
Games played this month
5
Score (S)
4.0
Expected score (We)
1.89
Difference (S-We)
2.11
Current Raw change (no limits, including tournament time weight)
63.0
Current min/max change allowed (with limits)
±177.3
Current Raw change used (final)
63.0
Projected new Raw rating
1216.0
Projected new Weighed rating
1185.3
Projected new Weighted performance
1055.3
Projected new official/published rating (highest between new Raw, new WR and new WP)
1216.0
Projected effective change (new Official - current Official)
+33.0
Projected new highest rating
1222.6
Projected new floor
722.6
Projected new K-facor
36
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
1150.0
Curent Weighted rating
1181.5
Curent Weighted performance
1051.9
Current official/published rating (highest between Raw, WR and WP)
1181.5
Current floor (min rating allowed)
728.8
Current highest rating achieved
1228.8
Current K-factor
36
Games played this month
5
Score (S)
4.0
Expected score (We)
1.87
Difference (S-We)
2.13
Current Raw change (no limits, including tournament time weight)
76.7
Current min/max change allowed (with limits)
±178.1
Current Raw change used (final)
76.7
Projected new Raw rating
1226.7
Projected new Weighed rating
1184.7
Projected new Weighted performance
1051.9
Projected new official/published rating (highest between new Raw, new WR and new WP)
1226.7
Projected effective change (new Official - current Official)
+45.2
Projected new highest rating
1228.8
Projected new floor
728.8
Projected new K-facor
36
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
1200.0
Curent Weighted rating
1200.0
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1200.0
Current floor (min rating allowed)
700.0
Current highest rating achieved
1200.0
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
1200.0
Projected new Weighted performance
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
Projected new highest rating
1200.0
Projected new floor
700.0
Projected new K-facor
36
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
1200.0
Curent Weighted rating
1200.0
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1200.0
Current floor (min rating allowed)
700.0
Current highest rating achieved
1200.0
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
1200.0
Projected new Weighted performance
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
Projected new highest rating
1200.0
Projected new floor
700.0
Projected new K-facor
36
Tournaments
History
Tournament:
2024 D2 Schools Individuals (U9)
Start:
2024/05/04
End:
2024/05/04
Host:
GWR
Type:
Standard
Time:
60
Time weight:
0.83
Rounds:
5
Games:
5
Score:
4.0
Main rating:
1153.0
Rating gain/loss:
63.0
Type rating:
1150.0
Rating gain/loss:
76.7
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rns
Gms
Scr
Main
Type
Analysis
4
2024 D2 Schools Individuals (U9)
2024/05/04
2024/05/04
West Rand (GWR)
Standard
60
0.83
5
5
4.0
1153.0
1150.0
Analysis
3
2024 West Rand Juniors (U10)
2024/03/09
2024/03/09
West Rand (GWR)
Standard
60
0.83
5
4
1.0
1176.0
1179.5
Analysis
2
2024 West Rand Open (U10)
2024/02/03
2024/02/03
West Rand (GWR)
Standard
60
0.83
5
5
3.0
1139.2
1133.8
Analysis
1
2024 Gauteng Inter-Region Chess Championship (U10B)
2024/01/13
2024/01/14
Tshwane (GTP)
Standard
90
0.94
5
4
0.0
1198.4
1196.8
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
12
2024 D2 Schools Individuals (U9)
2024/05/04
2024/05/04
West Rand (GWR)
Standard
60
0.83
5
5
4.0
1153.0
1150.0
Analysis
11
2024 West Rand Juniors (U10)
2024/03/09
2024/03/09
West Rand (GWR)
Standard
60
0.83
5
4
1.0
1176.0
1179.5
Analysis
10
2024 West Rand Open (U10)
2024/02/03
2024/02/03
West Rand (GWR)
Standard
60
0.83
5
5
3.0
1139.2
1133.8
Analysis
9
2024 Gauteng Inter-Region Chess Championship (U10B)
2024/01/13
2024/01/14
Tshwane (GTP)
Standard
90
0.94
5
4
0.0
1198.4
1196.8
Analysis
8
West Rand vs Bojanala Inter-Regional Championships 2023 (U10)
2023/10/14
2023/10/14
West Rand (GWR)
Standard
60
0.83
5
5
1.0
1212.1
1214.8
Analysis
7
2023 West Rand Trials (U10)
2023/09/09
2023/09/09
West Rand (GWR)
Standard
60
0.83
5
5
2.5
1209.3
1211.9
Analysis
6
2023 Gauteng Top Schools (U9 Mixed)
2023/08/18
2023/08/18
West Rand (GWR)
Standard
60
0.83
5
5
3.0
1141.3
1128.7
Analysis
5
West Rand at Bastion 2023 (U10)
2023/08/05
2023/08/05
West Rand (GWR)
Standard
60
0.83
5
5
3.5
1141.3
1128.7
Analysis
4
D2 School League Finals 2023 (U9)
2023/07/22
2023/07/22
West Rand (GWR)
Standard
60
0.83
7
6
0.0
1222.6
1228.8
Analysis
3
2023 West Rand RHS Open (U10)
2023/06/10
2023/06/10
West Rand (GWR)
Standard
60
0.83
5
5
3.5
1182.1
1178.4
Analysis
2
WR Tournament and Coaching 2023 (U10)
2023/02/25
2023/02/25
West Rand (GWR)
Standard
60
0.83
5
4
2.0
1200.0
1200.0
Analysis
1
2023 West Rand Open (U10)
2023/02/04
2023/02/04
West Rand (GWR)
Standard
60
0.83
5
5
2.0
1200.0
1200.0
Analysis
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
18
8
0
10
8.0
44.4
-47.2
1258.4
1211.2
White
10
6
0
4
6.0
60.0
85.0
1209.8
1294.8
Black
8
2
0
6
2.0
25.0
-212.5
1319.2
1106.7
Standard
All
18
8
0
10
8.0
44.4
-47.2
1258.4
1211.2
White
10
6
0
4
6.0
60.0
85.0
1209.8
1294.8
Black
8
2
0
6
2.0
25.0
-212.5
1319.2
1106.7
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
58
22
7
29
25.5
44.0
-51.3
1245.3
1194.0
White
31
12
5
14
14.5
46.8
-27.4
1223.9
1196.4
Black
27
10
2
15
11.0
40.7
-78.7
1270.0
1191.3
Standard
All
58
22
7
29
25.5
44.0
-51.3
1245.3
1194.0
White
31
12
5
14
14.5
46.8
-27.4
1223.9
1196.4
Black
27
10
2
15
11.0
40.7
-78.7
1270.0
1191.3
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
1150149223
Botha, AZ (Adriaan Zander)
3
0.0
0
0
3
0.0
1194.0
-425.0
769.0
View list
2
1150157468
Ninham, G (Grant)
2
2.0
2
0
0
100.0
1161.7
425.0
1586.7
View list
3
1160156372
Britz, W (Wian)
2
1.0
1
0
1
50.0
1164.5
0.0
1164.5
View list
4
2160159291
Kalimashe, L (Liyabukwa)
2
1.0
1
0
1
50.0
1157.6
0.0
1157.6
View list
5
1150149231
Laubscher, D (Declan)
2
1.0
1
0
1
50.0
1200.0
0.0
1200.0
View list
6
1150159296
Willemse, B (Bernard)
2
0.5
0
1
1
25.0
1147.2
-212.5
934.7
View list
7
2150156385
Vis, K (Katlego)
2
0.0
0
0
2
0.0
1192.7
-425.0
767.7
View list
8
1150144068
Kotsokoane, R (Reotshepile)
1
1.0
1
0
0
100.0
1212.1
425.0
1637.1
View list
9
1150159298
Kloppers, B (Ben)
1
1.0
1
0
0
100.0
1141.3
425.0
1566.3
View list
10
1140154497
Machine, K (Kwezi)
1
1.0
1
0
0
100.0
1182.1
425.0
1607.1
View list
11
1150149232
Le Roux, K (Keano)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
12
2150156373
Erasmus, S (Sonja)
1
1.0
1
0
0
100.0
1153.0
425.0
1578.0
View list
13
2160161841
Du Toit, K (Klaradyn)
1
1.0
1
0
0
100.0
1176.0
425.0
1601.0
View list
14
1180159293
Myburgh, M (Morne)
1
1.0
1
0
0
100.0
1139.2
425.0
1564.2
View list
15
1140161314
Ngwenya, O (Owethu)
1
1.0
1
0
0
100.0
1141.3
425.0
1566.3
View list
16
1140157469
Nqaqu, S (Sibusiso Blessing)
1
1.0
1
0
0
100.0
1182.1
425.0
1607.1
View list
17
2150161847
Pretorius, A (Amone)
1
1.0
1
0
0
100.0
1209.3
425.0
1634.3
View list
18
1160303149
Raofa, N (Njabulo Nkosana)
1
1.0
1
0
0
100.0
1153.0
425.0
1578.0
View list
19
1140147706
Thabatha, L (Luhle)
1
1.0
1
0
0
100.0
1209.3
425.0
1634.3
View list
20
1140161339
Tirumalasetti, S (Shashank)
1
1.0
1
0
0
100.0
1141.3
425.0
1566.3
View list