Chess South Africa
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Chess South Africa
Koen, E (Ethan)
Dob:
2006/12/04 (U20)
Gender:
Male
Chess SA id:
1060157589
FIDE id:
Region:
Umgungunglovu (KUP)
Citizen:
RSA
Title(s):
Last active:
2024/05/25 (34 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
1352.8
Current Weighted rating
1249.9
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1352.8
Current highest rating achieved
1352.8
Current floor (min rating allowed)
852.8
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)
±133.4
Current Raw change used (final)
0.0
Projected new Raw rating
1352.8
Projected new Weighed rating
1151.3
Projected new Weighted performance
1121.3
Projected new final Raw rating (if new WP > new Raw)
1352.8
Projected new highest rating
1352.8
Projected new floor
852.8
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1352.8
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
1305.5
Current Weighted rating
1208.4
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1305.5
Current highest rating achieved
1305.5
Current floor (min rating allowed)
805.5
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)
±142.7
Current Raw change used (final)
0.0
Projected new Raw rating
1305.5
Projected new Weighed rating
1112.1
Projected new Weighted performance
517.4
Projected new final Raw rating (if new WP > new Raw)
1305.5
Projected new highest rating
1305.5
Projected new floor
805.5
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1305.5
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
1292.5
Current Weighted rating
1238.5
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1292.5
Current highest rating achieved
1292.5
Current floor (min rating allowed)
792.5
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)
±145.3
Current Raw change used (final)
0.0
Projected new Raw rating
1292.5
Projected new Weighed rating
1140.5
Projected new Weighted performance
816.1
Projected new final Raw rating (if new WP > new Raw)
1292.5
Projected new highest rating
1292.5
Projected new floor
792.5
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1292.5
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
2
Umgungundlovu Schools League 2024 (U18 Boys)
2024/05/17
2024/05/25
Umgungunglovu (KUP)
Standard
60
0.83
7
7
6.5
1282.9
1200.0
Analysis
1
Umgungundlovu Open 2024 (A)
2024/04/06
2024/04/06
Umgungunglovu (KUP)
Rapid
30
0.60
6
6
4.0
1250.3
1238.5
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
3
Umgungundlovu Schools League 2024 (U18 Boys)
2024/05/17
2024/05/25
Umgungunglovu (KUP)
Standard
60
0.83
7
7
6.5
1282.9
1200.0
Analysis
2
Umgungundlovu Open 2024 (A)
2024/04/06
2024/04/06
Umgungunglovu (KUP)
Rapid
30
0.60
6
6
4.0
1250.3
1238.5
Analysis
1
2023 KZN Winter Schools Selections (U18 Boys)
2023/06/24
2023/06/24
Ethekwini (KED)
Rapid
30
0.60
7
7
4.5
1200.0
1200.0
Analysis
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
13
10
1
2
10.5
80.8
261.5
1256.1
1517.6
White
6
4
1
1
4.5
75.0
212.5
1226.6
1439.1
Black
7
6
0
1
6.0
85.7
303.6
1281.3
1584.8
Standard
All
7
6
1
0
6.5
92.9
364.3
1206.2
1570.5
White
4
3
1
0
3.5
87.5
318.8
1205.3
1524.0
Black
3
3
0
0
3.0
100.0
425.0
1207.4
1632.4
Rapid
All
6
4
0
2
4.0
66.7
141.7
1314.2
1455.9
White
2
1
0
1
1.0
50.0
0.0
1269.3
1269.3
Black
4
3
0
1
3.0
75.0
212.5
1336.7
1549.2
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
14
2
4
15.0
75.0
212.5
1291.8
1504.3
White
9
5
2
2
6.0
66.7
141.7
1276.3
1417.9
Black
11
9
0
2
9.0
81.8
270.5
1304.5
1575.0
Standard
All
7
6
1
0
6.5
92.9
364.3
1206.2
1570.5
White
4
3
1
0
3.5
87.5
318.8
1205.3
1524.0
Black
3
3
0
0
3.0
100.0
425.0
1207.4
1632.4
Rapid
All
13
8
1
4
8.5
65.4
130.8
1337.9
1468.7
White
5
2
1
2
2.5
50.0
0.0
1333.0
1333.0
Black
8
6
0
2
6.0
75.0
212.5
1341.0
1553.5
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
1070099475
Gumede, A (Alwande)
3
1.5
1
1
1
50.0
1244.4
0.0
1244.4
View list
2
1950154229
Mkhulisi, M (Mbongeni)
1
1.0
1
0
0
100.0
1250.3
425.0
1675.3
View list
3
1060305591
Mkhize, S (Siyabonga)
1
1.0
1
0
0
100.0
1282.9
425.0
1707.9
View list
4
1050099472
Mkhize, S (Siyabonga)
1
1.0
1
0
0
100.0
1250.3
425.0
1675.3
View list
5
1070148103
Mkhize, S (Samkelo)
1
1.0
1
0
0
100.0
1282.9
425.0
1707.9
View list
6
1080157499
Mbhele, A (Anele)
1
1.0
1
0
0
100.0
1282.9
425.0
1707.9
View list
7
1070301842
Makhonza, P (Philasande)
1
1.0
1
0
0
100.0
1282.9
425.0
1707.9
View list
8
1070305589
Maipath, C (Caleb)
1
1.0
1
0
0
100.0
1282.9
425.0
1707.9
View list
9
1050154256
Singh, K (Kaylum)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
10
1060107368
Sibiya, ST (Simphiwe)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
11
2080157569
Shezi, S (Sbahle)
1
1.0
1
0
0
100.0
1250.3
425.0
1675.3
View list
12
1070305598
Rorisang, M (Motshoane)
1
1.0
1
0
0
100.0
1282.9
425.0
1707.9
View list
13
163006020
Danisa, CT (Cyril)
1
1.0
1
0
0
100.0
1250.3
425.0
1675.3
View list
14
107066678
Bhixi, N (Ntando)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
15
1050099462
Dlamini, A (Ayabonga)
1
0.5
0
1
0
50.0
1200.0
0.0
1200.0
View list
16
105059782
Moodley, J (Jamie)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
17
1950144574
Mlawuza, S (Sbongiseni)
1
0.0
0
0
1
0.0
1250.3
-425.0
825.3
View list
18
1060103664
Hlatshwayo, S (Sphelele)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list