Chess South Africa
Last updated:
Player Page
Home
Chess South Africa
Bwema, D (David)
Dob:
2006/09/13 (U20)
Gender:
Male
Chess SA id:
1060119505
FIDE id:
Region:
Buffalo City (EBC)
Citizen:
RSA
Title(s):
Last active:
2024/04/13 (21 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
1279.1
Curent Weighted rating
1175.5
Curent Weighted performance
1311.8
Current official/published rating (highest between Raw, WR and WP)
1279.1
Current floor (min rating allowed)
779.1
Current highest rating achieved
1279.1
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)
±148.1
Current Raw change used (final)
0.0
Projected new Raw rating
1279.1
Projected new Weighed rating
1186.9
Projected new Weighted performance
1311.8
Projected new official/published rating (highest between new Raw, new WR and new WP)
1311.8
Projected effective change (new Official - current Official)
+32.7
Projected new highest rating
1279.1
Projected new floor
779.1
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
1270.6
Curent Weighted rating
1148.1
Curent Weighted performance
1255.4
Current official/published rating (highest between Raw, WR and WP)
1270.6
Current floor (min rating allowed)
770.6
Current highest rating achieved
1270.6
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)
±149.9
Current Raw change used (final)
0.0
Projected new Raw rating
1270.6
Projected new Weighed rating
1160.6
Projected new Weighted performance
1255.4
Projected new official/published rating (highest between new Raw, new WR and new WP)
1270.6
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1270.6
Projected new floor
770.6
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
1284.4
Curent Weighted rating
1237.0
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1284.4
Current floor (min rating allowed)
784.4
Current highest rating achieved
1284.4
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)
±147.0
Current Raw change used (final)
0.0
Projected new Raw rating
1284.4
Projected new Weighed rating
1242.0
Projected new Weighted performance
0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
1284.4
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1284.4
Projected new floor
784.4
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
1157.6
Curent Weighted rating
1191.6
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1191.6
Current floor (min rating allowed)
784.4
Current highest rating achieved
1195.6
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)
±176.1
Current Raw change used (final)
0.0
Projected new Raw rating
1157.6
Projected new Weighed rating
1188.6
Projected new Weighted performance
0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
1188.6
Projected effective change (new Official - current Official)
-3.0
Projected new highest rating
1195.6
Projected new floor
784.4
Projected new K-facor
40
Tournaments
History
Did not participate this month.
#
Tournament
Start
End
Host
Type
Time
Weight
Rns
Gms
Scr
Main
Type
Analysis
4
UFH Open 2024 (C)
2024/04/13
2024/04/13
Amathole (EAL)
Standard
60
0.83
5
5
4.0
1249.2
1203.3
Analysis
3
2nd Buffalo City Chess Trials 2024 (U20A)
2024/04/06
2024/04/06
Buffalo City (EBC)
Standard
60
0.83
5
3
1.0
1249.2
1203.3
Analysis
2
Port Rex Private Camp 1 Blitz 2024
2024/03/22
2024/03/22
Buffalo City (EBC)
Blitz
5
0.18
7
7
3.0
1224.3
1195.6
Analysis
1
1st BC Chess Trials 2024 (U20+A)
2024/03/02
2024/03/02
Buffalo City (EBC)
Standard
60
0.83
5
5
2.0
1224.3
1160.9
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
17
UFH Open 2024 (C)
2024/04/13
2024/04/13
Amathole (EAL)
Standard
60
0.83
5
5
4.0
1249.2
1203.3
Analysis
16
2nd Buffalo City Chess Trials 2024 (U20A)
2024/04/06
2024/04/06
Buffalo City (EBC)
Standard
60
0.83
5
3
1.0
1249.2
1203.3
Analysis
15
Port Rex Private Camp 1 Blitz 2024
2024/03/22
2024/03/22
Buffalo City (EBC)
Blitz
5
0.18
7
7
3.0
1224.3
1195.6
Analysis
14
1st BC Chess Trials 2024 (U20+A)
2024/03/02
2024/03/02
Buffalo City (EBC)
Standard
60
0.83
5
5
2.0
1224.3
1160.9
Analysis
13
Chess Vikings Exam Rapid 2023 (B)
2023/11/04
2023/11/04
Buffalo City (EBC)
Rapid
20
0.47
7
7
5.5
1161.1
1182.4
Analysis
12
BC Vikings Blitz Championship 2023
2023/10/05
2023/10/05
Buffalo City (EBC)
Blitz
5
0.18
10
10
5.0
1163.8
1200.0
Analysis
11
BC Vikings Closed 2023 (U18+U20)
2023/10/03
2023/10/04
Buffalo City (EBC)
Standard
65
0.85
6
6
2.0
1163.8
1186.5
Analysis
10
Chess Vikings Wild Card 2023 (U18+U20)
2023/10/02
2023/10/02
Buffalo City (EBC)
Standard
60
0.83
5
4
1.0
1163.8
1186.5
Analysis
9
UFH Heritage Open 2023 (B)
2023/09/23
2023/09/23
Amathole (EAL)
Standard
62
0.84
5
5
2.0
1149.9
1151.2
Analysis
8
BCM Chess Clubs League 2023 (C)
2023/09/09
2023/09/16
Buffalo City (EBC)
Standard
60
0.83
5
1
0.0
1149.9
1151.2
Analysis
7
4th BC HS Trials 2023 (U18A-Adult)
2023/08/26
2023/08/26
Cape Winelands (WCW)
Standard
60
0.83
5
5
2.0
1128.0
1124.0
Analysis
6
2nd BC Trials 2023 (U18-Adults)
2023/06/17
2023/06/17
Buffalo City (EBC)
Rapid
20
0.47
7
7
3.0
1125.0
1200.0
Analysis
5
BC Chess Trials 1 of 5 2023 (U18A-Adult)
2023/04/29
2023/04/29
Buffalo City (EBC)
Standard
60
0.83
5
5
3.0
1084.5
1071.6
Analysis
4
3rd Vikings Champs 2023 (U18-Adults)
2023/03/23
2023/03/23
Buffalo City (EBC)
Standard
60
0.83
5
5
2.0
1071.2
1056.0
Analysis
3
EC Players Individual Championship 2022 (B)
2022/10/08
2022/10/09
Sarah Baartman (ESB)
Standard
65
0.85
5
5
2.0
1052.2
1029.6
Analysis
2
South Park Valentinez Open 2020 (A)
2020/02/22
2020/02/22
Buffalo City (EBC)
Standard
60
0.83
5
5
0.0
1125.6
1114.0
Analysis
1
Vikings League 6 of 6 2019 (Little League)
2019/10/26
2019/10/26
Buffalo City (EBC)
Standard
60
0.83
5
5
0.5
1200.0
1200.0
Analysis
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
20
10
0
10
10.0
50.0
0.0
1339.1
1339.1
White
10
5
0
5
5.0
50.0
0.0
1366.7
1366.7
Black
10
5
0
5
5.0
50.0
0.0
1311.5
1311.5
Standard
All
13
7
0
6
7.0
53.8
32.7
1314.4
1347.1
White
6
3
0
3
3.0
50.0
0.0
1336.3
1336.3
Black
7
4
0
3
4.0
57.1
60.7
1295.6
1356.3
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
7
3
0
4
3.0
42.9
-60.7
1385.0
1324.3
White
4
2
0
2
2.0
50.0
0.0
1412.4
1412.4
Black
3
1
0
2
1.0
33.3
-141.7
1348.6
1206.9
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
90
36
4
50
38.0
42.2
-66.1
1279.9
1213.8
White
42
17
2
23
18.0
42.9
-60.7
1286.0
1225.3
Black
48
19
2
27
20.0
41.7
-70.8
1274.5
1203.6
Standard
All
59
20
3
36
21.5
36.4
-115.3
1266.6
1151.3
White
28
11
1
16
11.5
41.1
-75.9
1268.3
1192.4
Black
31
9
2
20
10.0
32.3
-150.8
1265.1
1114.3
Rapid
All
14
8
1
5
8.5
60.7
91.1
1262.2
1353.3
White
6
1
1
4
1.5
25.0
-212.5
1273.6
1061.1
Black
8
7
0
1
7.0
87.5
318.8
1253.7
1572.5
Blitz
All
17
8
0
9
8.0
47.1
-25.0
1340.5
1315.5
White
8
5
0
3
5.0
62.5
106.3
1357.5
1463.8
Black
9
3
0
6
3.0
33.3
-141.7
1325.3
1183.6
Top 20 opponents most often played
#
Chess SA id
Name
Games
Score
Wins
Draws
Losses
%
Aor
Dp
Perform
View
1
2050146933
Jarman, M (Michelle)
4
2.5
2
1
1
62.5
1126.2
106.3
1232.5
View list
2
2070150785
Qubeka, S (Simele)
4
1.0
1
0
3
25.0
1134.3
-212.5
921.8
View list
3
1090148959
Brown, C (Christopher)
3
2.0
2
0
1
66.7
1183.1
141.7
1324.7
View list
4
1070154726
Mamatu, A (Amila)
3
0.0
0
0
3
0.0
1150.9
-425.0
725.9
View list
5
1120109254
Mazikana, E (Ethan)
3
0.0
0
0
3
0.0
1167.1
-425.0
742.1
View list
6
1050146823
Nkwentsha, S (Sange)
2
2.0
2
0
0
100.0
1163.8
425.0
1588.8
View list
7
1110109264
Gower, D (Daniel)
2
1.0
1
0
1
50.0
1181.9
0.0
1181.9
View list
8
1050141957
Williams, C (Cuan)
2
1.0
1
0
1
50.0
1194.0
0.0
1194.0
View list
9
1060150777
Solms, J (Jayden)
2
0.5
0
1
1
25.0
1124.2
-212.5
911.7
View list
10
189001719
Bekker, JB (Jason)
2
0.0
0
0
2
0.0
1194.0
-425.0
769.0
View list
11
1100100199
Botha, T (Tyler)
2
0.0
0
0
2
0.0
1176.2
-425.0
751.2
View list
12
1060131450
Kabuya, N (Nehemiah)
2
0.0
0
0
2
0.0
1187.1
-425.0
762.1
View list
13
1120150766
Bopi, L (Lumnko)
1
1.0
1
0
0
100.0
1249.2
425.0
1674.2
View list
14
1000119986
Bokuva, K (Khazimla)
1
1.0
1
0
0
100.0
1224.3
425.0
1649.3
View list
15
1150153217
Balfour, O (Omeleza)
1
1.0
1
0
0
100.0
1249.2
425.0
1674.2
View list
16
1050153251
Amde, J (Joseph)
1
1.0
1
0
0
100.0
1249.2
425.0
1674.2
View list
17
1090146932
Dywili, A (Alime)
1
1.0
1
0
0
100.0
1052.2
425.0
1477.2
View list
18
1070109290
Dondolo, Z (Zibalule)
1
1.0
1
0
0
100.0
1125.0
425.0
1550.0
View list
19
204051811
Diemieniet, P (Phoebe)
1
1.0
1
0
0
100.0
1084.5
425.0
1509.5
View list
20
1070149015
Dabula, I (Inathi)
1
1.0
1
0
0
100.0
1125.0
425.0
1550.0
View list