Chess South Africa
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Chess South Africa
Johnson, J (Jerolin)
Dob:
2008/01/23 (U18)
Gender:
Male
Chess SA id:
1080147904
FIDE id:
Region:
West Coast (WCU)
Citizen:
RSA
Title(s):
Last active:
2024/05/19 (2 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
1145.8
Curent Weighted rating
1148.0
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1148.0
Current floor (min rating allowed)
645.8
Current highest rating achieved
1145.8
Current K-factor
40
Games played this month
9
Score (S)
7.0
Expected score (We)
2.76
Difference (S-We)
4.24
Current Raw change (no limits, including tournament time weight)
140.6
Current min/max change allowed (with limits)
±179.1
Current Raw change used (final)
140.6
Projected new Raw rating
1286.4
Projected new Weighed rating
1158.4
Projected new Weighted performance
0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
1286.4
Projected effective change (new Official - current Official)
+138.4
Projected new highest rating
1286.4
Projected new floor
786.4
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
1093.6
Curent Weighted rating
1098.9
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1098.9
Current floor (min rating allowed)
593.6
Current highest rating achieved
1093.6
Current K-factor
40
Games played this month
5
Score (S)
4.0
Expected score (We)
1.22
Difference (S-We)
2.78
Current Raw change (no limits, including tournament time weight)
111.2
Current min/max change allowed (with limits)
±193.0
Current Raw change used (final)
111.2
Projected new Raw rating
1204.8
Projected new Weighed rating
1106.0
Projected new Weighted performance
0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
1204.8
Projected effective change (new Official - current Official)
+105.9
Projected new highest rating
1204.8
Projected new floor
704.8
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
1221.6
Curent Weighted rating
1220.1
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1221.6
Current floor (min rating allowed)
721.6
Current highest rating achieved
1221.6
Current K-factor
36
Games played this month
4
Score (S)
3.0
Expected score (We)
1.71
Difference (S-We)
1.29
Current Raw change (no limits, including tournament time weight)
46.4
Current min/max change allowed (with limits)
±160.8
Current Raw change used (final)
46.4
Projected new Raw rating
1268.0
Projected new Weighed rating
1224.2
Projected new Weighted performance
0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
1268.0
Projected effective change (new Official - current Official)
+46.4
Projected new highest rating
1268.0
Projected new floor
768.0
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)
721.6
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
721.6
Projected new K-facor
36
Tournaments
History
Tournament:
West Coast & Mykonos Open 2024 (Open)
Start:
2024/05/17
End:
2024/05/19
Host:
WCU
Type:
Standard
Time:
90
Time weight:
0.94
Rounds:
5
Games:
5
Score:
4.0
Main rating:
1145.8
Rating gain/loss:
102.3
Type rating:
1093.6
Rating gain/loss:
111.2
Analysis
Tournament:
Lambersbaai Open 2024 (A)
Start:
2024/05/01
End:
2024/05/01
Host:
WCU
Type:
Rapid
Time:
32
Time weight:
0.63
Rounds:
4
Games:
4
Score:
3.0
Main rating:
1145.8
Rating gain/loss:
38.3
Type rating:
1221.6
Rating gain/loss:
46.4
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rns
Gms
Scr
Main
Type
Analysis
2
West Coast & Mykonos Open 2024 (Open)
2024/05/17
2024/05/19
West Coast (WCU)
Standard
90
0.94
6
5
4.0
1145.8
1093.6
Analysis
1
Lambersbaai Open 2024 (A)
2024/05/01
2024/05/01
West Coast (WCU)
Rapid
32
0.63
5
4
3.0
1145.8
1221.6
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
4
West Coast & Mykonos Open 2024 (Open)
2024/05/17
2024/05/19
West Coast (WCU)
Standard
90
0.94
6
5
4.0
1145.8
1093.6
Analysis
3
Lambersbaai Open 2024 (A)
2024/05/01
2024/05/01
West Coast (WCU)
Rapid
32
0.63
5
4
3.0
1145.8
1221.6
Analysis
2
Clanwilliam Open 2022 (C)
2022/12/10
2022/12/10
West Coast (WCU)
Rapid
35
0.66
5
5
3.0
1119.4
1200.0
Analysis
1
West Coast Open 2022 (Open)
2022/11/05
2022/11/05
West Coast (WCU)
Standard
65
0.85
6
6
0.0
1200.0
1200.0
Analysis
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
9
7
0
2
7.0
77.8
236.1
1309.7
1545.8
White
4
3
0
1
3.0
75.0
212.5
1287.3
1499.8
Black
5
4
0
1
4.0
80.0
255.0
1327.7
1582.7
Standard
All
5
4
0
1
4.0
80.0
255.0
1350.6
1605.6
White
2
2
0
0
2.0
100.0
425.0
1269.5
1694.5
Black
3
2
0
1
2.0
66.7
141.7
1404.7
1546.4
Rapid
All
4
3
0
1
3.0
75.0
212.5
1258.6
1471.1
White
2
1
0
1
1.0
50.0
0.0
1305.1
1305.1
Black
2
2
0
0
2.0
100.0
425.0
1212.1
1637.1
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
20
10
0
10
10.0
50.0
0.0
1271.3
1271.3
White
8
4
0
4
4.0
50.0
0.0
1271.7
1271.7
Black
12
6
0
6
6.0
50.0
0.0
1271.1
1271.1
Standard
All
11
4
0
7
4.0
36.4
-115.9
1310.4
1194.5
White
4
2
0
2
2.0
50.0
0.0
1271.1
1271.1
Black
7
2
0
5
2.0
28.6
-182.1
1332.9
1150.7
Rapid
All
9
6
0
3
6.0
66.7
141.7
1223.6
1365.2
White
4
2
0
2
2.0
50.0
0.0
1272.3
1272.3
Black
5
4
0
1
4.0
80.0
255.0
1184.5
1439.5
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
Top 20 opponents most often played
#
Chess SA id
Name
Games
Score
Wins
Draws
Losses
%
Aor
Dp
Perform
View
1
1120100598
Ellman, A (Andries)
2
1.0
1
0
1
50.0
1132.6
0.0
1132.6
View list
2
2130153778
Kujinga, T (Tawanayasha)
1
1.0
1
0
0
100.0
1145.8
425.0
1570.8
View list
3
1120139044
Koopman, V (Virat)
1
1.0
1
0
0
100.0
1145.8
425.0
1570.8
View list
4
1100154575
Kamfer, J (Johnlin)
1
1.0
1
0
0
100.0
1145.8
425.0
1570.8
View list
5
1140137106
Jordaan, L (Luke)
1
1.0
1
0
0
100.0
1145.8
425.0
1570.8
View list
6
1100103503
Arendse, Q (Quinwinne)
1
1.0
1
0
0
100.0
1145.8
425.0
1570.8
View list
7
1070304916
Salomo, C (Cohen)
1
1.0
1
0
0
100.0
1145.8
425.0
1570.8
View list
8
2130139089
Swartz, A (Ashan)
1
1.0
1
0
0
100.0
1119.4
425.0
1544.4
View list
9
1110148171
Swarts, C (Caleb)
1
1.0
1
0
0
100.0
1119.4
425.0
1544.4
View list
10
1110131962
Skippers, G (Gerano)
1
1.0
1
0
0
100.0
1119.4
425.0
1544.4
View list
11
1060112307
Wilson, J (Joshua)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
12
2100131696
Warner, A (Alicia)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
13
1000134275
Van Wyk, E (Ebrahim)
1
0.0
0
0
1
0.0
1145.8
-425.0
720.8
View list
14
1100110503
Shoshola, D (Diego)
1
0.0
0
0
1
0.0
1119.4
-425.0
694.4
View list
15
209090556
Sauls, J (Jada)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
16
2100142543
Love, C (Celine)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
17
1100116577
Hollenbaght, OJ (Owen James)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
18
2090096275
Farmer, J (Jaydean)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
19
206055118
Ellman, A (Anne-Belle)
1
0.0
0
0
1
0.0
1145.8
-425.0
720.8
View list