Chess South Africa
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Chess South Africa
O'Brien, S (Seth)
Dob:
2005/02/16 (U20)
Gender:
Male
Chess SA id:
1050161246
FIDE id:
Region:
Johannesburg Metro (GJM)
Citizen:
RSA
Title(s):
Last active:
2024/03/23 (71 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
1333.2
Curent Weighted rating
1253.8
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1333.2
Current floor (min rating allowed)
833.2
Current highest rating achieved
1333.2
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)
±137.2
Current Raw change used (final)
0.0
Projected new Raw rating
1333.2
Projected new Weighed rating
1261.9
Projected new Weighted performance
0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
1333.2
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1333.2
Projected new floor
833.2
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
1319.9
Curent Weighted rating
1242.8
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1319.9
Current floor (min rating allowed)
819.9
Current highest rating achieved
1319.9
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)
±139.8
Current Raw change used (final)
0.0
Projected new Raw rating
1319.9
Projected new Weighed rating
1250.4
Projected new Weighted performance
0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
1319.9
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1319.9
Projected new floor
819.9
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
1240.7
Curent Weighted rating
1219.9
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1240.7
Current floor (min rating allowed)
740.7
Current highest rating achieved
1240.7
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)
±156.5
Current Raw change used (final)
0.0
Projected new Raw rating
1240.7
Projected new Weighed rating
1222.2
Projected new Weighted performance
0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
1240.7
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1240.7
Projected new floor
740.7
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)
740.7
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
740.7
Projected new K-facor
36
Tournaments
History
Did not participate this month.
#
Tournament
Start
End
Host
Type
Time
Weight
Rns
Gms
Scr
Main
Type
Analysis
2
1st Knights Open Tournament 2024 (C)
2024/03/23
2024/03/23
Johannesburg Metro (GJM)
Standard
60
0.83
5
5
3.5
1294.4
1267.7
Analysis
1
2024 Tshwane Chess OPEN Registration Tournament (C1)
2024/01/27
2024/01/27
Tshwane (GTP)
Standard
60
0.83
5
5
3.0
1257.9
1218.0
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
4
1st Knights Open Tournament 2024 (C)
2024/03/23
2024/03/23
Johannesburg Metro (GJM)
Standard
60
0.83
5
5
3.5
1294.4
1267.7
Analysis
3
2024 Tshwane Chess OPEN Registration Tournament (C1)
2024/01/27
2024/01/27
Tshwane (GTP)
Standard
60
0.83
5
5
3.0
1257.9
1218.0
Analysis
2
Ekurhuleni North Chess Club 2023 (B)
2023/12/09
2023/12/09
Ekurhuleni (GE)
Rapid
30
0.60
7
7
5.0
1214.9
1200.0
Analysis
1
2023 Gauteng Top Schools (U19 Mixed)
2023/08/19
2023/08/19
West Rand (GWR)
Standard
60
0.83
5
3
1.5
1200.0
1200.0
Analysis
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
10
6
1
3
6.5
65.0
127.5
1370.3
1497.8
White
6
5
0
1
5.0
83.3
283.3
1378.7
1662.0
Black
4
1
1
2
1.5
37.5
-106.3
1357.9
1251.6
Standard
All
10
6
1
3
6.5
65.0
127.5
1370.3
1497.8
White
6
5
0
1
5.0
83.3
283.3
1378.7
1662.0
Black
4
1
1
2
1.5
37.5
-106.3
1357.9
1251.6
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
20
12
2
6
13.0
65.0
127.5
1340.4
1467.9
White
11
10
0
1
10.0
90.9
347.7
1316.4
1664.1
Black
9
2
2
5
3.0
33.3
-141.7
1369.7
1228.0
Standard
All
13
7
2
4
8.0
61.5
98.1
1373.0
1471.0
White
7
6
0
1
6.0
85.7
303.6
1353.1
1656.7
Black
6
1
2
3
2.0
33.3
-141.7
1396.1
1254.4
Rapid
All
7
5
0
2
5.0
71.4
182.1
1279.9
1462.0
White
4
4
0
0
4.0
100.0
425.0
1252.0
1677.0
Black
3
1
0
2
1.0
33.3
-141.7
1317.0
1175.3
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
1080191325
Kale, A (Akhona)
1
1.0
1
0
0
100.0
1214.9
425.0
1639.9
View list
2
1130155274
Nemusombori, L (Livhuwani Nathan)
1
1.0
1
0
0
100.0
1294.4
425.0
1719.4
View list
3
1050161226
Mohjomo, K (Kearabetsoe)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
4
211092268
Mkhasibe, NZ (Nobuhle)
1
1.0
1
0
0
100.0
1294.4
425.0
1719.4
View list
5
1070105181
Van Loggerenberg, M (Marcus)
1
1.0
1
0
0
100.0
1214.9
425.0
1639.9
View list
6
1110151858
Van De Venter, Z (Zandre)
1
1.0
1
0
0
100.0
1257.9
425.0
1682.9
View list
7
1130136645
Truscott, A (Adriaan)
1
1.0
1
0
0
100.0
1257.9
425.0
1682.9
View list
8
1080141457
Mateman, M (Matthews)
1
1.0
1
0
0
100.0
1214.9
425.0
1639.9
View list
9
1100143726
Elvin, A (Andrew)
1
1.0
1
0
0
100.0
1294.4
425.0
1719.4
View list
10
1070143725
De Swardt, S (Stephan)
1
1.0
1
0
0
100.0
1214.9
425.0
1639.9
View list
11
206050275
De Jager, K (Karli)
1
1.0
1
0
0
100.0
1214.9
425.0
1639.9
View list
12
1120133903
Buchner, E (Emil)
1
1.0
1
0
0
100.0
1257.9
425.0
1682.9
View list
13
2110151735
Ambrose, I (Isabella)
1
0.5
0
1
0
50.0
1294.4
0.0
1294.4
View list
14
1060161242
Nkosi, N (Nkosinathi)
1
0.5
0
1
0
50.0
1200.0
0.0
1200.0
View list
15
2120135696
Hu-Grobbelaar, L (Lalu)
1
0.0
0
0
1
0.0
1294.4
-425.0
869.4
View list
16
1080119822
Elvin, D (David)
1
0.0
0
0
1
0.0
1214.9
-425.0
789.9
View list
17
1130131224
Minny, O (Oban)
1
0.0
0
0
1
0.0
1257.9
-425.0
832.9
View list
18
1090155592
Maroba, M (Mark)
1
0.0
0
0
1
0.0
1214.9
-425.0
789.9
View list
19
105061707
Kula, VJ (Vuyani)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
20
1110139982
Kock, L (Luca)
1
0.0
0
0
1
0.0
1257.9
-425.0
832.9
View list