Chess South Africa
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Chess South Africa
Idehen, M (Michael)
Dob:
2007/11/14 (U18)
Gender:
Male
Chess SA id:
1070161905
FIDE id:
Region:
West Rand (GWR)
Citizen:
RSA
Title(s):
Last active:
2024/12/08 (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
Current Raw rating
1361.9
Current Weighted rating
1274.0
Current Weighted performance
1321.8
Current official/published rating (highest between Raw, WR and WP)
1361.9
Current highest rating achieved
1374.4
Current floor (min rating allowed)
874.4
Current K-factor
36
Games played this month
5
Score (S)
1.0
Expected score (We)
2.57
Difference (S-We)
-1.48
Current Raw change (no limits, including tournament time weight)
-53.1
Current min/max change allowed (with limits)
±131.7
Current Raw change used (final)
-53.1
Projected new Raw rating
1308.8
Projected new Weighed rating
1174.7
Projected new Weighted performance
1252.8
Projected new final Raw rating (if new WP > new Raw)
1308.8
Projected new highest rating
1374.4
Projected new floor
874.4
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1308.8
Projected effective change (new Official - current Official)
-53.1
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
1371.5
Current Weighted rating
1281.2
Current Weighted performance
1321.8
Current official/published rating (highest between Raw, WR and WP)
1371.5
Current highest rating achieved
1390.9
Current floor (min rating allowed)
890.9
Current K-factor
36
Games played this month
5
Score (S)
1.0
Expected score (We)
2.68
Difference (S-We)
-1.68
Current Raw change (no limits, including tournament time weight)
-60.5
Current min/max change allowed (with limits)
±129.9
Current Raw change used (final)
-60.5
Projected new Raw rating
1311.0
Projected new Weighed rating
1181.6
Projected new Weighted performance
1252.8
Projected new final Raw rating (if new WP > new Raw)
1311.0
Projected new highest rating
1390.9
Projected new floor
890.9
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1311.0
Projected effective change (new Official - current Official)
-60.5
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
Tournament:
Gauteng Inter-Region at UJ 2024 (U18 Candidates)
Start:
2024/12/07
End:
2024/12/08
Host:
GJM
Type:
Standard
Time:
90
Time weight:
0.94
Rounds:
5
Games:
5
Score:
1.0
Main rating:
1361.9
Rating gain/loss:
-53.1
Type rating:
1371.5
Rating gain/loss:
-60.5
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rns
Gms
Scr
Main
Type
Analysis
8
Gauteng Inter-Region at UJ 2024 (U18 Candidates)
2024/12/07
2024/12/08
Johannesburg Metro (GJM)
Standard
90
0.94
5
5
1.0
1361.9
1371.5
Analysis
7
2024 West Rand Closed (U18)
2024/10/12
2024/10/12
West Rand (GWR)
Standard
60
0.83
5
5
2.0
1374.4
1390.9
Analysis
6
2024 West Rand Trials (U18)
2024/09/07
2024/09/07
West Rand (GWR)
Standard
60
0.83
5
5
3.0
1362.1
1379.0
Analysis
5
D2 School League Finals 2024 (U19)
2024/07/20
2024/07/20
West Rand (GWR)
Standard
60
0.83
5
5
3.0
1313.7
1333.2
Analysis
4
2024 D2 Schools Individuals (U18 Boys)
2024/05/04
2024/05/04
West Rand (GWR)
Standard
60
0.83
5
5
2.0
1284.0
1301.9
Analysis
3
2024 West Rand RHS Open (Rooks)
2024/04/13
2024/04/13
West Rand (GWR)
Standard
60
0.83
5
5
3.0
1199.4
1198.9
Analysis
2
2024 West Rand Open (Rooks)
2024/02/03
2024/02/03
West Rand (GWR)
Standard
60
0.83
5
5
3.0
1178.2
1173.0
Analysis
1
Dainfern College Chess League 2024 (A)
2024/01/29
2024/03/11
Johannesburg Metro (GJM)
Standard
60
0.83
6
6
3.5
1199.4
1198.9
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
9
Gauteng Inter-Region at UJ 2024 (U18 Candidates)
2024/12/07
2024/12/08
Johannesburg Metro (GJM)
Standard
90
0.94
5
5
1.0
1361.9
1371.5
Analysis
8
2024 West Rand Closed (U18)
2024/10/12
2024/10/12
West Rand (GWR)
Standard
60
0.83
5
5
2.0
1374.4
1390.9
Analysis
7
2024 West Rand Trials (U18)
2024/09/07
2024/09/07
West Rand (GWR)
Standard
60
0.83
5
5
3.0
1362.1
1379.0
Analysis
6
D2 School League Finals 2024 (U19)
2024/07/20
2024/07/20
West Rand (GWR)
Standard
60
0.83
5
5
3.0
1313.7
1333.2
Analysis
5
2024 D2 Schools Individuals (U18 Boys)
2024/05/04
2024/05/04
West Rand (GWR)
Standard
60
0.83
5
5
2.0
1284.0
1301.9
Analysis
4
2024 West Rand RHS Open (Rooks)
2024/04/13
2024/04/13
West Rand (GWR)
Standard
60
0.83
5
5
3.0
1199.4
1198.9
Analysis
3
2024 West Rand Open (Rooks)
2024/02/03
2024/02/03
West Rand (GWR)
Standard
60
0.83
5
5
3.0
1178.2
1173.0
Analysis
2
Dainfern College Chess League 2024 (A)
2024/01/29
2024/03/11
Johannesburg Metro (GJM)
Standard
60
0.83
6
6
3.5
1199.4
1198.9
Analysis
1
2023 West Rand Trials (U18)
2023/09/09
2023/09/09
West Rand (GWR)
Standard
60
0.83
5
5
2.0
1200.0
1200.0
Analysis
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
41
18
5
18
20.5
50.0
0.0
1349.6
1349.6
White
22
10
2
10
11.0
50.0
0.0
1362.7
1362.7
Black
19
8
3
8
9.5
50.0
0.0
1334.5
1334.5
Standard
All
41
18
5
18
20.5
50.0
0.0
1349.6
1349.6
White
22
10
2
10
11.0
50.0
0.0
1362.7
1362.7
Black
19
8
3
8
9.5
50.0
0.0
1334.5
1334.5
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
46
20
5
21
22.5
48.9
-9.2
1329.9
1320.6
White
25
12
2
11
13.0
52.0
17.0
1339.6
1356.6
Black
21
8
3
10
9.5
45.2
-40.5
1318.4
1277.9
Standard
All
46
20
5
21
22.5
48.9
-9.2
1329.9
1320.6
White
25
12
2
11
13.0
52.0
17.0
1339.6
1356.6
Black
21
8
3
10
9.5
45.2
-40.5
1318.4
1277.9
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
1080301060
Ackerman, J (Joshua)
2
2.0
2
0
0
100.0
1368.3
425.0
1793.3
View list
2
2070117343
Pauwels, P (Piper)
2
1.5
1
1
0
75.0
1368.3
212.5
1580.8
View list
3
1070147889
Lekoma, A (Amogelang)
2
1.0
1
0
1
50.0
1276.3
0.0
1276.3
View list
4
1060157110
Ndlovu, D (Donnel)
2
0.0
0
0
2
0.0
1242.0
-425.0
817.0
View list
5
1080136200
Sehularo, K (Kganya)
2
0.0
0
0
2
0.0
1368.3
-425.0
943.3
View list
6
2070144522
Motsoahae, B (Bokamoso)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
7
1080113577
Arlow, JF (Jonathan)
1
1.0
1
0
0
100.0
1362.1
425.0
1787.1
View list
8
210092704
Deysel, H (Hannah)
1
1.0
1
0
0
100.0
1199.4
425.0
1624.4
View list
9
2090192189
Botha, Z (Zoe)
1
1.0
1
0
0
100.0
1178.2
425.0
1603.2
View list
10
1070153742
Khandoo, J (Jiya)
1
1.0
1
0
0
100.0
1199.4
425.0
1624.4
View list
11
1080303127
Kannemeyer, K (Kevin)
1
1.0
1
0
0
100.0
1284.0
425.0
1709.0
View list
12
1090136702
Jacob, AK (Abishai)
1
1.0
1
0
0
100.0
1178.2
425.0
1603.2
View list
13
1090149210
Mazibuko, M (Mduduzi)
1
1.0
1
0
0
100.0
1313.7
425.0
1738.7
View list
14
1120139673
Mosia, L (Lebajwe)
1
1.0
1
0
0
100.0
1199.4
425.0
1624.4
View list
15
1080156321
Molibedi, M (Mohale)
1
1.0
1
0
0
100.0
1284.0
425.0
1709.0
View list
16
1090308324
Msiska, S (Sopani)
1
1.0
1
0
0
100.0
1361.9
425.0
1786.9
View list
17
206072373
Ngubeni, BR (Boitumelo)
1
1.0
1
0
0
100.0
1313.7
425.0
1738.7
View list
18
1060306803
Philemon, A (Adriaan)
1
1.0
1
0
0
100.0
1313.7
425.0
1738.7
View list
19
1070156361
Prince, A (Adan)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
20
1060157117
Radebe, R (Rorisang)
1
1.0
1
0
0
100.0
1199.4
425.0
1624.4
View list