Chess South Africa
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Chess South Africa
Van Zyl, E (Ethan)
Dob:
2014/01/22 (U12)
Gender:
Male
Chess SA id:
1140139715
FIDE id:
Region:
Overberg (WOS)
Citizen:
RSA
Title(s):
Last active:
2024/01/27 (143 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
1191.0
Current Weighted rating
1184.2
Current Weighted performance
1072.4
Current official/published rating (highest between Raw, WR and WP)
1191.0
Current highest rating achieved
1213.8
Current floor (min rating allowed)
713.8
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)
±168.0
Current Raw change used (final)
0.0
Projected new Raw rating
1191.0
Projected new Weighed rating
1089.0
Projected new Weighted performance
1072.4
Projected new final Raw rating (if new WP > new Raw)
1191.0
Projected new highest rating
1213.8
Projected new floor
713.8
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1191.0
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
1183.9
Current Weighted rating
1194.8
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1194.8
Current highest rating achieved
1240.0
Current floor (min rating allowed)
740.0
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)
±169.7
Current Raw change used (final)
0.0
Projected new Raw rating
1183.9
Projected new Weighed rating
1098.3
Projected new Weighted performance
934.8
Projected new final Raw rating (if new WP > new Raw)
1183.9
Projected new highest rating
1240.0
Projected new floor
740.0
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1183.9
Projected effective change (new Official - current Official)
-10.9
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
1212.4
Current Weighted rating
1171.9
Current Weighted performance
1059.0
Current official/published rating (highest between Raw, WR and WP)
1212.4
Current highest rating achieved
1212.4
Current floor (min rating allowed)
712.4
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)
±162.9
Current Raw change used (final)
0.0
Projected new Raw rating
1212.4
Projected new Weighed rating
1078.7
Projected new Weighted performance
1059.0
Projected new final Raw rating (if new WP > new Raw)
1212.4
Projected new highest rating
1212.4
Projected new floor
712.4
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1212.4
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
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
1
Overberg Open Rapid 2024 (U11)
2024/01/27
2024/01/27
Overberg (WOS)
Rapid
20
0.47
5
5
3.5
1166.6
1143.2
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
9
Overberg Open Rapid 2024 (U11)
2024/01/27
2024/01/27
Overberg (WOS)
Rapid
20
0.47
5
5
3.5
1166.6
1143.2
Analysis
8
Overberg Top Schools 2023 (U13)
2023/08/05
2023/08/05
Overberg (WOS)
Standard
60
0.83
5
5
2.0
1181.2
1205.1
Analysis
7
Western Cape PS Individuals 2023 (U9 Boys)
2023/05/05
2023/05/06
Cape Town (WCT)
Standard
60
0.83
6
6
2.0
1179.4
1211.2
Analysis
6
Hermanus Rapid 2023 (C)
2023/04/22
2023/04/22
Overberg (WOS)
Rapid
25
0.54
6
6
2.0
1197.1
1178.4
Analysis
5
Overberg School Chess Closed Tournament 2023 (U9 Boys)
2023/03/25
2023/03/25
Overberg (WOS)
Standard
60
0.83
5
5
2.0
1213.8
1240.0
Analysis
4
Overberg Schools Bredasdorp Zone Trails 2023 (U7+U9)
2023/02/16
2023/03/02
Overberg (WOS)
Rapid
20
0.47
6
5
2.5
1213.8
1162.0
Analysis
3
Overberg Topskole 2022 (O9)
2022/08/30
2022/08/30
Overberg (WOS)
Standard
60
0.83
5
4
3.0
1176.6
1200.0
Analysis
2
OCF Youth Day Tournament 2022 (C)
2022/06/18
2022/06/18
Overberg (WOS)
Rapid
15
0.39
5
5
2.0
1188.0
1180.0
Analysis
1
OCF Open 2022 (U10)
2022/04/09
2022/04/09
Overberg (WOS)
Rapid
30
0.60
5
4
1.5
1200.0
1200.0
Analysis
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
5
3
1
1
3.5
70.0
170.0
1246.9
1416.9
White
3
3
0
0
3.0
100.0
425.0
1213.7
1638.7
Black
2
0
1
1
0.5
25.0
-212.5
1296.8
1084.3
Standard
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
Rapid
All
5
3
1
1
3.5
70.0
170.0
1246.9
1416.9
White
3
3
0
0
3.0
100.0
425.0
1213.7
1638.7
Black
2
0
1
1
0.5
25.0
-212.5
1296.8
1084.3
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
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
45
18
5
22
20.5
45.6
-37.8
1220.9
1183.1
White
24
11
2
11
12.0
50.0
0.0
1218.2
1218.2
Black
21
7
3
11
8.5
40.5
-81.0
1224.0
1143.0
Standard
All
20
9
0
11
9.0
45.0
-42.5
1235.6
1193.1
White
11
5
0
6
5.0
45.5
-38.6
1230.9
1192.2
Black
9
4
0
5
4.0
44.4
-47.2
1241.3
1194.1
Rapid
All
25
9
5
11
11.5
46.0
-34.0
1209.1
1175.1
White
13
6
2
5
7.0
53.8
32.7
1207.4
1240.1
Black
12
3
3
6
4.5
37.5
-106.3
1211.0
1104.7
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
1140151359
De Koker, A (Andreas Stephanus)
2
2.0
2
0
0
100.0
1213.8
425.0
1638.8
View list
2
1150138482
Beyers, H (Henry)
2
1.0
1
0
1
50.0
1196.6
0.0
1196.6
View list
3
1140151364
Snyman, V (Van Zyl)
2
1.0
1
0
1
50.0
1213.8
0.0
1213.8
View list
4
1130134382
Van Der Walt, T (Tristan)
2
0.0
0
0
2
0.0
1190.6
-425.0
765.6
View list
5
1140145276
Gebuza, L (Lufiko)
1
1.0
1
0
0
100.0
1176.6
425.0
1601.6
View list
6
1130145275
Fereira, G (George)
1
1.0
1
0
0
100.0
1176.6
425.0
1601.6
View list
7
1110138425
Liebenberg, J (Junior)
1
1.0
1
0
0
100.0
1181.2
425.0
1606.2
View list
8
1110159241
Jambo, K (Kaylim)
1
1.0
1
0
0
100.0
1181.2
425.0
1606.2
View list
9
2080152207
Darby, M (Mande-Marie)
1
1.0
1
0
0
100.0
1197.1
425.0
1622.1
View list
10
1140152599
Calitz, R (Ruben)
1
1.0
1
0
0
100.0
1179.4
425.0
1604.4
View list
11
1140145272
Buhr, H (Heinrich)
1
1.0
1
0
0
100.0
1213.8
425.0
1638.8
View list
12
1130190770
Booysen, J (Joseph)
1
1.0
1
0
0
100.0
1166.6
425.0
1591.6
View list
13
1160142362
Beyers, A (Adriaan)
1
1.0
1
0
0
100.0
1188.0
425.0
1613.0
View list
14
2130190779
Abrahams, J (Jestine)
1
1.0
1
0
0
100.0
1166.6
425.0
1591.6
View list
15
1140152352
Sargeant, R (Rome)
1
1.0
1
0
0
100.0
1166.6
425.0
1591.6
View list
16
2110152338
Somi, O (Onwabe)
1
1.0
1
0
0
100.0
1197.1
425.0
1622.1
View list
17
2130138503
Van Der Westhuizen, E (Elizabeth)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
18
1140145286
Van Zyl, P (Pieter)
1
1.0
1
0
0
100.0
1176.6
425.0
1601.6
View list
19
1140145274
De Wet, J (James)
1
0.5
0
1
0
50.0
1213.8
0.0
1213.8
View list
20
1140139711
Hanekom, D (Derick)
1
0.5
0
1
0
50.0
1188.0
0.0
1188.0
View list