Chess South Africa
Last updated:
Player Page
Home
Chess South Africa
Buhr, G (Gretchen)
Dob:
2012/12/18 (U14)
Gender:
Female
Chess SA id:
2120133357
FIDE id:
Region:
Overberg (WOS)
Citizen:
RSA
Title(s):
Last active:
2024/05/05 (12 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
1262.7
Curent Weighted rating
1209.7
Curent Weighted performance
1232.9
Current official/published rating (highest between Raw, WR and WP)
1262.7
Current floor (min rating allowed)
762.7
Current highest rating achieved
1262.7
Current K-factor
36
Games played this month
6
Score (S)
2.5
Expected score (We)
2.95
Difference (S-We)
-0.45
Current Raw change (no limits, including tournament time weight)
-13.4
Current min/max change allowed (with limits)
±151.6
Current Raw change used (final)
-13.4
Projected new Raw rating
1249.3
Projected new Weighed rating
1214.3
Projected new Weighted performance
1232.9
Projected new official/published rating (highest between new Raw, new WR and new WP)
1249.3
Projected effective change (new Official - current Official)
-13.4
Projected new highest rating
1262.7
Projected new floor
762.7
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
1264.4
Curent Weighted rating
1215.2
Curent Weighted performance
1210.3
Current official/published rating (highest between Raw, WR and WP)
1264.4
Current floor (min rating allowed)
764.4
Current highest rating achieved
1264.4
Current K-factor
36
Games played this month
6
Score (S)
2.5
Expected score (We)
2.94
Difference (S-We)
-0.44
Current Raw change (no limits, including tournament time weight)
-15.8
Current min/max change allowed (with limits)
±151.3
Current Raw change used (final)
-15.8
Projected new Raw rating
1248.6
Projected new Weighed rating
1218.9
Projected new Weighted performance
1210.3
Projected new official/published rating (highest between new Raw, new WR and new WP)
1248.6
Projected effective change (new Official - current Official)
-15.8
Projected new highest rating
1264.4
Projected new floor
764.4
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
1187.6
Curent Weighted rating
1159.6
Curent Weighted performance
1031.3
Current official/published rating (highest between Raw, WR and WP)
1187.6
Current floor (min rating allowed)
687.6
Current highest rating achieved
1187.6
Current K-factor
40
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)
±168.8
Current Raw change used (final)
0.0
Projected new Raw rating
1187.6
Projected new Weighed rating
1163.1
Projected new Weighted performance
1031.3
Projected new official/published rating (highest between new Raw, new WR and new WP)
1187.6
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1187.6
Projected new floor
687.6
Projected new K-facor
40
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)
687.6
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
687.6
Projected new K-facor
36
Tournaments
History
Tournament:
Western Cape PS Individuals Championship 2024 (U13 Girls)
Start:
2024/05/04
End:
2024/05/05
Host:
WCU
Type:
Standard
Time:
60
Time weight:
0.83
Rounds:
6
Games:
6
Score:
2.5
Main rating:
1262.7
Rating gain/loss:
-13.4
Type rating:
1264.4
Rating gain/loss:
-15.8
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rns
Gms
Scr
Main
Type
Analysis
3
Western Cape PS Individuals Championship 2024 (U13 Girls)
2024/05/04
2024/05/05
West Coast (WCU)
Standard
60
0.83
6
6
2.5
1262.7
1264.4
Analysis
2
Overberg Schools - PS Closed 2024 (U13 Girls)
2024/03/16
2024/03/16
Overberg (WOS)
Standard
60
0.83
5
5
4.0
1232.8
1235.2
Analysis
1
Overberg Schools - PS Trials Region 3 2024 (U13 Girls)
2024/03/02
2024/03/02
Overberg (WOS)
Rapid
30
0.60
5
5
3.0
1232.8
1164.0
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
15
Western Cape PS Individuals Championship 2024 (U13 Girls)
2024/05/04
2024/05/05
West Coast (WCU)
Standard
60
0.83
6
6
2.5
1262.7
1264.4
Analysis
14
Overberg Schools - PS Closed 2024 (U13 Girls)
2024/03/16
2024/03/16
Overberg (WOS)
Standard
60
0.83
5
5
4.0
1232.8
1235.2
Analysis
13
Overberg Schools - PS Trials Region 3 2024 (U13 Girls)
2024/03/02
2024/03/02
Overberg (WOS)
Rapid
30
0.60
5
5
3.0
1232.8
1164.0
Analysis
12
Western Cape Top Schools 2023 (U11 Mixed)
2023/09/02
2023/09/03
Cape Winelands (WCW)
Standard
60
0.83
6
6
4.0
1190.0
1198.1
Analysis
11
Overberg Top Schools 2023 (U11)
2023/08/05
2023/08/05
Overberg (WOS)
Standard
60
0.83
5
5
3.0
1170.4
1174.0
Analysis
10
Western Cape PS Individuals 2023 (U11 Girls)
2023/05/05
2023/05/06
Cape Town (WCT)
Standard
60
0.83
6
6
2.5
1162.4
1162.5
Analysis
9
Overberg School Chess Closed Tournament 2023 (U11 Girls)
2023/03/25
2023/03/25
Overberg (WOS)
Standard
60
0.83
5
5
2.5
1154.0
1163.6
Analysis
8
Overberg Primary School Trials (Region 2) 2023 (U11 Girls)
2023/02/24
2023/03/10
Overberg (WOS)
Rapid
20
0.47
6
6
3.0
1154.0
1140.4
Analysis
7
Overberg Schools Open Tournament 2023 (U12)
2023/02/11
2023/02/11
Overberg (WOS)
Rapid
20
0.47
5
5
3.0
1140.5
1102.8
Analysis
6
Western Cape Top Schools 2022 (U11 Mix)
2022/09/16
2022/09/17
Overberg (WOS)
Standard
60
0.83
5
5
1.0
1181.0
1217.2
Analysis
5
Western Cape Schools 2022 (U11 Girls)
2022/05/28
2022/05/29
Cape Winelands (WCW)
Standard
65
0.85
6
6
3.0
1172.5
1221.2
Analysis
4
Overberg Primary Schools Closed 2022 (U11 Girls)
2022/03/12
2022/03/12
Overberg (WOS)
Standard
60
0.83
5
5
3.5
1125.4
1179.6
Analysis
3
Western Cape Schools 2021 (U9 Girls)
2021/10/23
2021/10/23
Overberg (WOS)
Rapid
35
0.66
5
5
1.0
1154.4
1160.0
Analysis
2
Overberg Schools Trials 2021 (U9)
2021/09/18
2021/09/18
Overberg (WOS)
Rapid
30
0.60
5
4
1.0
1182.7
1200.0
Analysis
1
Overberg Closed 2020 (U9 Girls)
2020/03/15
2020/03/15
Overberg (WOS)
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
16
8
3
5
9.5
59.4
79.7
1195.2
1274.8
White
8
4
3
1
5.5
68.8
159.4
1175.1
1334.5
Black
8
4
0
4
4.0
50.0
0.0
1215.2
1215.2
Standard
All
11
6
1
4
6.5
59.1
77.3
1203.1
1280.3
White
5
4
1
0
4.5
90.0
340.0
1158.8
1498.8
Black
6
2
0
4
2.0
33.3
-141.7
1240.0
1098.3
Rapid
All
5
2
2
1
3.0
60.0
85.0
1177.8
1262.8
White
3
0
2
1
1.0
33.3
-141.7
1202.4
1060.8
Black
2
2
0
0
2.0
100.0
425.0
1140.8
1565.8
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
79
34
10
35
39.0
49.4
-5.4
1204.2
1198.8
White
40
20
7
13
23.5
58.8
74.4
1183.2
1257.6
Black
39
14
3
22
15.5
39.7
-87.2
1225.7
1138.5
Standard
All
54
24
8
22
28.0
51.9
15.7
1209.3
1225.0
White
27
15
5
7
17.5
64.8
125.9
1185.8
1311.7
Black
27
9
3
15
10.5
38.9
-94.4
1232.8
1138.3
Rapid
All
25
10
2
13
11.0
44.0
-51.0
1193.2
1142.2
White
13
5
2
6
6.0
46.2
-32.7
1177.8
1145.1
Black
12
5
0
7
5.0
41.7
-70.8
1209.9
1139.0
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
2120147467
Spinnler, E (Elizabeth Hendrina)
3
2.5
2
1
0
83.3
1152.3
283.3
1435.6
View list
2
2120138444
Otto, J (Johanne)
3
1.0
0
2
1
33.3
1206.5
-141.7
1064.9
View list
3
2120138434
Arendse, J (Jenivah)
2
2.0
2
0
0
100.0
1149.0
425.0
1574.0
View list
4
2120138437
Collins, E (Esme)
2
2.0
2
0
0
100.0
1179.1
425.0
1604.1
View list
5
2120138441
Fortuin, E (Eron)
2
2.0
2
0
0
100.0
1232.8
425.0
1657.8
View list
6
1130150077
Pretorius, D (Dominic Reinhart)
2
2.0
2
0
0
100.0
1180.2
425.0
1605.2
View list
7
2130152317
Van Zyl, H (Hannah)
2
2.0
2
0
0
100.0
1154.0
425.0
1579.0
View list
8
2120138448
Van Der Westhuizen, M (Mika)
2
1.0
1
0
1
50.0
1139.7
0.0
1139.7
View list
9
2120138439
Du Preez, A (Alet)
2
0.5
0
1
1
25.0
1193.4
-212.5
980.9
View list
10
2120108533
Johnson, A (Amy)
2
0.0
0
0
2
0.0
1163.5
-425.0
738.5
View list
11
2130150705
Van Der Merwe, E (Emily)
2
0.0
0
0
2
0.0
1158.2
-425.0
733.2
View list
12
2140134819
Du Toit, C (Clara)
1
1.0
1
0
0
100.0
1182.7
425.0
1607.7
View list
13
2130134350
Herridge, M (Mekayla)
1
1.0
1
0
0
100.0
1154.4
425.0
1579.4
View list
14
1120149747
Buys, L (Louwen)
1
1.0
1
0
0
100.0
1190.0
425.0
1615.0
View list
15
2120138744
Bolton, A (Alyssa)
1
1.0
1
0
0
100.0
1162.4
425.0
1587.4
View list
16
2110150081
Diederiks, K (Katryn)
1
1.0
1
0
0
100.0
1232.8
425.0
1657.8
View list
17
1130139059
Azar, C (Christopher)
1
1.0
1
0
0
100.0
1190.0
425.0
1615.0
View list
18
1110138421
Fisher, H (Heinz)
1
1.0
1
0
0
100.0
1140.5
425.0
1565.5
View list
19
2120136558
Fischer, A (Amike)
1
1.0
1
0
0
100.0
1162.4
425.0
1587.4
View list
20
1130145278
Julies, L (Luke)
1
1.0
1
0
0
100.0
1170.4
425.0
1595.4
View list