Chess South Africa
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Chess South Africa
Opperman, J (Jordan)
Dob:
2014/03/14 (U12)
Gender:
Male
Chess SA id:
1140134242
FIDE id:
Region:
Tshwane (GTP)
Citizen:
RSA
Title(s):
Last active:
2024/02/10 (129 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
1351.8
Current Weighted rating
1316.6
Current Weighted performance
1283.1
Current official/published rating (highest between Raw, WR and WP)
1351.8
Current highest rating achieved
1369.1
Current floor (min rating allowed)
869.1
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)
±133.6
Current Raw change used (final)
0.0
Projected new Raw rating
1351.8
Projected new Weighed rating
1212.4
Projected new Weighted performance
1283.1
Projected new final Raw rating (if new WP > new Raw)
1351.8
Projected new highest rating
1369.1
Projected new floor
869.1
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1351.8
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
1345.9
Current Weighted rating
1312.4
Current Weighted performance
1283.1
Current official/published rating (highest between Raw, WR and WP)
1345.9
Current highest rating achieved
1366.1
Current floor (min rating allowed)
866.1
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)
±134.7
Current Raw change used (final)
0.0
Projected new Raw rating
1345.9
Projected new Weighed rating
1208.5
Projected new Weighted performance
1283.1
Projected new final Raw rating (if new WP > new Raw)
1345.9
Projected new highest rating
1366.1
Projected new floor
866.1
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1345.9
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
1200.0
Current Weighted rating
1200.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1200.0
Current highest rating achieved
1200.0
Current floor (min rating allowed)
700.0
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)
±165.8
Current Raw change used (final)
0.0
Projected new Raw rating
1200.0
Projected new Weighed rating
1104.0
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating
1200.0
Projected new floor
700.0
Projected new K-facor
36
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
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
1200.0
Current Weighted rating
1200.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1200.0
Current highest rating achieved
1200.0
Current floor (min rating allowed)
700.0
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
1104.0
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating
1200.0
Projected new floor
700.0
Projected new K-facor
36
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
Tournaments
History
Did not participate this month.
#
Tournament
Start
End
Host
Type
Time
Weight
Rns
Gms
Scr
Main
Type
Analysis
3
2024 Blou Bul Open Chess Tournament (D)
2024/02/10
2024/02/10
Tshwane (GTP)
Standard
60
0.83
5
4
2.0
1369.1
1366.1
Analysis
2
2024 Tshwane Chess OPEN Registration Tournament (D1)
2024/01/27
2024/01/27
Tshwane (GTP)
Standard
60
0.83
5
5
3.0
1297.8
1293.9
Analysis
1
2024 Gauteng Inter-Region Chess Championship (U10B)
2024/01/13
2024/01/14
Tshwane (GTP)
Standard
90
0.94
5
5
4.0
1297.8
1293.9
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
19
2024 Blou Bul Open Chess Tournament (D)
2024/02/10
2024/02/10
Tshwane (GTP)
Standard
60
0.83
5
4
2.0
1369.1
1366.1
Analysis
18
2024 Tshwane Chess OPEN Registration Tournament (D1)
2024/01/27
2024/01/27
Tshwane (GTP)
Standard
60
0.83
5
5
3.0
1297.8
1293.9
Analysis
17
2024 Gauteng Inter-Region Chess Championship (U10B)
2024/01/13
2024/01/14
Tshwane (GTP)
Standard
90
0.94
5
5
4.0
1297.8
1293.9
Analysis
16
2023 Etienne Lewis Closed Tournament (U10)
2023/08/25
2023/08/27
Tshwane (GTP)
Standard
90
0.94
7
7
5.0
1259.8
1254.7
Analysis
15
2023 Gauteng Top Schools (U9 Mixed)
2023/08/18
2023/08/18
West Rand (GWR)
Standard
60
0.83
5
5
3.0
1259.8
1254.7
Analysis
14
2023 Woman's Day Open Chess Tournament (Knight)
2023/08/09
2023/08/09
Tshwane (GTP)
Standard
60
0.83
5
5
2.5
1259.8
1254.7
Analysis
13
2023 Tshwane South School District CLOSED League Championship (U9)
2023/07/29
2023/07/29
Tshwane (GTP)
Standard
60
0.83
5
5
2.0
1293.9
1292.9
Analysis
12
2023 Menlo Open Tournament (D)
2023/07/22
2023/07/22
Tshwane (GTP)
Standard
60
0.83
5
5
2.0
1293.9
1292.9
Analysis
11
2023 Lubowski Open Tournament (E)
2023/06/24
2023/06/25
Tshwane (GTP)
Standard
90
0.94
5
5
2.5
1305.1
1304.8
Analysis
10
2023 Milos Ristic Open Tournament (E)
2023/04/27
2023/04/27
Tshwane (GTP)
Standard
60
0.83
5
5
3.0
1304.8
1303.4
Analysis
9
Chris Greyling Open Tournament 2023 (E)
2023/03/21
2023/03/21
Tshwane (GTP)
Standard
60
0.83
5
5
3.5
1291.7
1286.8
Analysis
8
2022 Gauteng Schools Team Championships (U9 Open)
2022/08/27
2022/08/27
Tshwane (GTP)
Standard
60
0.83
5
4
3.0
1194.9
1190.4
Analysis
7
2022 Alekhine Open (E)
2022/08/13
2022/08/13
Tshwane (GTP)
Standard
90
0.94
5
5
2.5
1194.9
1190.4
Analysis
6
Tuks Junior Developmental Tournament 2022 (Yellow)
2022/08/06
2022/08/06
Tshwane (GTP)
Standard
60
0.83
5
5
3.5
1194.9
1190.4
Analysis
5
D4 Play Offs 2022 (U9)
2022/07/30
2022/07/30
Tshwane (GTP)
Standard
60
0.83
5
5
3.0
1220.9
1224.6
Analysis
4
2022 Menlo Open Tournament (E)
2022/07/23
2022/07/23
Tshwane (GTP)
Standard
60
0.83
5
5
2.0
1220.9
1224.6
Analysis
3
CP Ope 2022 (E)
2022/02/19
2022/02/19
Tshwane (GTP)
Standard
60
0.83
5
5
3.0
1217.6
1218.8
Analysis
2
2021 Etienne Lewis Closed Trials (U8 Open)
2021/09/24
2021/09/24
Nelson Mandela Bay (ENM)
Standard
90
0.94
7
7
4.0
1183.4
1180.0
Analysis
1
2021 Chris Greyling Open Tournament (F)
2021/05/08
2021/05/08
Tshwane (GTP)
Standard
60
0.83
5
4
1.5
1200.0
1200.0
Analysis
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
14
9
0
5
9.0
64.3
121.4
1266.5
1387.9
White
6
4
0
2
4.0
66.7
141.7
1332.0
1473.7
Black
8
5
0
3
5.0
62.5
106.3
1217.3
1323.5
Standard
All
14
9
0
5
9.0
64.3
121.4
1266.5
1387.9
White
6
4
0
2
4.0
66.7
141.7
1332.0
1473.7
Black
8
5
0
3
5.0
62.5
106.3
1217.3
1323.5
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
96
50
10
36
55.0
57.3
62.0
1220.7
1282.7
White
50
29
6
15
32.0
64.0
119.0
1232.8
1351.8
Black
46
21
4
21
23.0
50.0
0.0
1207.5
1207.5
Standard
All
96
50
10
36
55.0
57.3
62.0
1220.7
1282.7
White
50
29
6
15
32.0
64.0
119.0
1232.8
1351.8
Black
46
21
4
21
23.0
50.0
0.0
1207.5
1207.5
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
1140134238
Bornman, R (Rousseau)
4
3.5
3
1
0
87.5
1223.7
318.8
1542.4
View list
2
1140140634
De Beer, L (Liam Nicolaas)
4
1.0
1
0
3
25.0
1248.9
-212.5
1036.4
View list
3
2140134240
Du Plessis, M (Mia)
3
1.0
1
0
2
33.3
1218.2
-141.7
1076.6
View list
4
2130137401
Pistorius, A (Anabelle)
3
0.0
0
0
3
0.0
1225.2
-425.0
800.2
View list
5
1150147657
Danzfuss, E (Edrich)
2
2.0
2
0
0
100.0
1298.3
425.0
1723.3
View list
6
1140134429
Botha, G (Gregory)
2
2.0
2
0
0
100.0
1237.6
425.0
1662.6
View list
7
2140137416
Ottermann, A (Ayla)
2
2.0
2
0
0
100.0
1238.7
425.0
1663.7
View list
8
2150143035
Van Zyl, S (Sanli)
2
2.0
2
0
0
100.0
1276.8
425.0
1701.8
View list
9
2150157433
Westermann, I (Inge)
2
2.0
2
0
0
100.0
1278.8
425.0
1703.8
View list
10
1140134245
Van Der Merwe, ZC (Zander Christiaan)
2
1.5
1
1
0
75.0
1284.5
212.5
1497.0
View list
11
1160137420
Badat, M (Mikaeel)
2
1.0
1
0
1
50.0
1298.3
0.0
1298.3
View list
12
1140137652
Aikman, D (Desmond Gustav)
2
1.0
1
0
1
50.0
1207.9
0.0
1207.9
View list
13
2150145696
Erasmus, T (Trisa)
2
0.5
0
1
1
25.0
1298.3
-212.5
1085.8
View list
14
2140137411
Keyter, A (Alissa)
2
0.5
0
1
1
25.0
1261.3
-212.5
1048.8
View list
15
1140137418
Van Der Wath, L (Logan)
2
0.5
0
1
1
25.0
1227.3
-212.5
1014.8
View list
16
1140134237
Barkhuizen, SJ (Simon Jurgens)
2
0.0
0
0
2
0.0
1189.2
-425.0
764.2
View list
17
1140136637
Bezuidenhout, M (Marnus)
1
1.0
1
0
0
100.0
1220.9
425.0
1645.9
View list
18
1130144512
De Jager, F (Franco)
1
1.0
1
0
0
100.0
1220.9
425.0
1645.9
View list
19
1130134043
De Bruin, H (Hanno)
1
1.0
1
0
0
100.0
1220.9
425.0
1645.9
View list
20
2150156373
Erasmus, S (Sonja)
1
1.0
1
0
0
100.0
1297.8
425.0
1722.8
View list