Chess South Africa
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Chess South Africa
Botha, M (Mcearlin)
Dob:
2009/12/15 (U16)
Gender:
Male
Chess SA id:
1090131988
FIDE id:
Region:
Eden (WEG)
Citizen:
RSA
Title(s):
Last active:
2024/02/17 (130 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
1225.3
Current Weighted rating
1243.7
Current Weighted performance
1027.3
Current official/published rating (highest between Raw, WR and WP)
1243.7
Current highest rating achieved
1251.6
Current floor (min rating allowed)
751.6
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)
±159.9
Current Raw change used (final)
0.0
Projected new Raw rating
1225.3
Projected new Weighed rating
1143.9
Projected new Weighted performance
1027.3
Projected new final Raw rating (if new WP > new Raw)
1225.3
Projected new highest rating
1251.6
Projected new floor
751.6
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1225.3
Projected effective change (new Official - current Official)
-18.4
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
1227.3
Current Weighted rating
1251.0
Current Weighted performance
1027.3
Current official/published rating (highest between Raw, WR and WP)
1251.0
Current highest rating achieved
1261.1
Current floor (min rating allowed)
761.1
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)
±159.5
Current Raw change used (final)
0.0
Projected new Raw rating
1227.3
Projected new Weighed rating
1150.5
Projected new Weighted performance
1027.3
Projected new final Raw rating (if new WP > new Raw)
1227.3
Projected new highest rating
1261.1
Projected new floor
761.1
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1227.3
Projected effective change (new Official - current Official)
-23.7
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
2
OUDUSSA Trials 2 2024 (U15 Boys)
2024/02/17
2024/02/17
Eden District (WEG)
Standard
60
0.83
5
5
2.0
1251.6
1261.1
Analysis
1
OUDUSSA Trials 1 2024 (U15 Boys)
2024/02/03
2024/02/03
Eden District (WEG)
Standard
60
0.83
5
5
2.5
1251.6
1261.1
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
6
OUDUSSA Trials 2 2024 (U15 Boys)
2024/02/17
2024/02/17
Eden District (WEG)
Standard
60
0.83
5
5
2.0
1251.6
1261.1
Analysis
5
OUDUSSA Trials 1 2024 (U15 Boys)
2024/02/03
2024/02/03
Eden District (WEG)
Standard
60
0.83
5
5
2.5
1251.6
1261.1
Analysis
4
Eden Proewe 2 2022 (O13 Seuns)
2022/04/09
2022/04/09
Eden District (WEG)
Standard
65
0.85
5
5
3.0
1222.8
1227.3
Analysis
3
Eden Proewe 1 2022 (O13 Seuns)
2022/03/12
2022/03/12
Eden District (WEG)
Standard
65
0.85
5
5
2.0
1225.6
1229.5
Analysis
2
Eden Schools Closed Trials 1 2020 (U11 Boys)
2020/03/07
2020/03/07
Eden District (WEG)
Standard
65
0.85
5
4
2.0
1214.9
1218.0
Analysis
1
Oudtshoorn Proewe 1 2020 (O11)
2020/02/15
2020/02/15
Eden District (WEG)
Standard
60
0.83
5
5
3.0
1200.0
1200.0
Analysis
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
10
4
1
5
4.5
45.0
-42.5
1219.9
1177.4
White
5
2
0
3
2.0
40.0
-85.0
1222.4
1137.4
Black
5
2
1
2
2.5
50.0
0.0
1217.4
1217.4
Standard
All
10
4
1
5
4.5
45.0
-42.5
1219.9
1177.4
White
5
2
0
3
2.0
40.0
-85.0
1222.4
1137.4
Black
5
2
1
2
2.5
50.0
0.0
1217.4
1217.4
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
29
14
1
14
14.5
50.0
0.0
1253.3
1253.3
White
15
6
0
9
6.0
40.0
-85.0
1290.3
1205.3
Black
14
8
1
5
8.5
60.7
91.1
1213.6
1304.7
Standard
All
29
14
1
14
14.5
50.0
0.0
1253.3
1253.3
White
15
6
0
9
6.0
40.0
-85.0
1290.3
1205.3
Black
14
8
1
5
8.5
60.7
91.1
1213.6
1304.7
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
1100193162
Jansen, R (Riaan Junior)
2
0.0
0
0
2
0.0
1251.6
-425.0
826.6
View list
2
1090193164
Makwassa, E (Ebrahim)
1
1.0
1
0
0
100.0
1251.6
425.0
1676.6
View list
3
1090107767
Liebenberg, J (Jayden)
1
1.0
1
0
0
100.0
1225.6
425.0
1650.6
View list
4
1090131999
Lewendal, E (Eliah)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
5
1090139253
Jullies, J (Jaydin)
1
1.0
1
0
0
100.0
1222.8
425.0
1647.8
View list
6
1100132005
Opperman, D (Dante)
1
1.0
1
0
0
100.0
1251.6
425.0
1676.6
View list
7
2100132004
Opperman, C (Crehasia)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
8
1080110939
Blom, W (Wafiek)
1
1.0
1
0
0
100.0
1214.9
425.0
1639.9
View list
9
1090139251
Claasen, R (Rowen)
1
1.0
1
0
0
100.0
1222.8
425.0
1647.8
View list
10
1090193157
Botha, H (Henzel)
1
1.0
1
0
0
100.0
1251.6
425.0
1676.6
View list
11
109086227
Geyser, A (Andreas)
1
1.0
1
0
0
100.0
1214.9
425.0
1639.9
View list
12
1090193194
Geland, E (Eldo)
1
1.0
1
0
0
100.0
1251.6
425.0
1676.6
View list
13
1100137883
Plaatjies, L (Leighshawn)
1
1.0
1
0
0
100.0
1225.6
425.0
1650.6
View list
14
1090107840
Robertson, H (Hanko)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
15
1100105664
Stevens, W (Wichardo)
1
1.0
1
0
0
100.0
1222.8
425.0
1647.8
View list
16
1090193159
Damons, H (Hakeem)
1
0.5
0
1
0
50.0
1251.6
0.0
1251.6
View list
17
1090132001
Makwasa, A (Abraham)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
18
1100119486
Muller, K (Kieran)
1
0.0
0
0
1
0.0
1225.6
-425.0
800.6
View list
19
1100151045
Minnies, J (Jo Neyden)
1
0.0
0
0
1
0.0
1251.6
-425.0
826.6
View list
20
1090107833
Isaaks, M (Matthew)
1
0.0
0
0
1
0.0
1251.6
-425.0
826.6
View list