Chess South Africa
Last updated:
Player Page
Home
Chess South Africa
De Bruin, M (Mario-John)
Dob:
2008/04/03 (U18)
Gender:
Male
Chess SA id:
1080137712
FIDE id:
Region:
Cape Winelands (WCW)
Citizen:
RSA
Title(s):
Last active:
2023/02/25 (448 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
1122.9
Curent Weighted rating
1115.5
Curent Weighted performance
874.3
Current official/published rating (highest between Raw, WR and WP)
1122.9
Current floor (min rating allowed)
679.4
Current highest rating achieved
1179.4
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)
±185.1
Current Raw change used (final)
0.0
Projected new Raw rating
1122.9
Projected new Weighed rating
1116.9
Projected new Weighted performance
874.3
Projected new official/published rating (highest between new Raw, new WR and new WP)
1122.9
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1179.4
Projected new floor
679.4
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
1070.4
Curent Weighted rating
1067.7
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1070.4
Current floor (min rating allowed)
616.8
Current highest rating achieved
1116.8
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)
±199.4
Current Raw change used (final)
0.0
Projected new Raw rating
1070.4
Projected new Weighed rating
1067.9
Projected new Weighted performance
0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
1070.4
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1116.8
Projected new floor
616.8
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
1208.0
Curent Weighted rating
1202.6
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1208.0
Current floor (min rating allowed)
708.0
Current highest rating achieved
1208.0
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)
±163.9
Current Raw change used (final)
0.0
Projected new Raw rating
1208.0
Projected new Weighed rating
1203.8
Projected new Weighted performance
0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
1208.0
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1208.0
Projected new floor
708.0
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
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)
708.0
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
708.0
Projected new K-facor
36
Tournaments
History
Did not participate this month.
Did not participate this year.
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
5
Cape Winelands Schools Chess - Trials 1 2023 (U15 Boys)
2023/02/25
2023/02/25
Cape Winelands (WCW)
Standard
60
0.83
5
5
2.0
1056.6
1041.2
Analysis
4
Langeberg Schools Chess Trials 2023 (U15 Open)
2023/02/11
2023/02/11
Cape Winelands (WCW)
Rapid
30
0.60
5
5
3.0
1056.6
1163.2
Analysis
3
Cape Winelands Schools Top Schools 2022 (U18 Mix)
2022/08/27
2022/08/27
Cape Winelands (WCW)
Standard
60
0.83
5
4
0.0
1116.0
1116.8
Analysis
2
Cape Winelands Schools 2022 (U15 Boys)
2022/03/05
2022/03/05
Cape Winelands (WCW)
Standard
60
0.83
5
4
0.0
1179.4
1200.0
Analysis
1
Lanfeberg Schools Chess Trials 2022 (U15)
2022/02/26
2022/02/26
Cape Winelands (WCW)
Rapid
30
0.60
5
4
1.0
1200.0
1200.0
Analysis
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
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
Standard
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
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
22
5
2
15
6.0
27.3
-193.2
1242.6
1049.4
White
12
4
1
7
4.5
37.5
-106.3
1266.1
1159.9
Black
10
1
1
8
1.5
15.0
-297.5
1214.4
916.9
Standard
All
13
2
0
11
2.0
15.4
-294.2
1228.1
933.9
White
7
2
0
5
2.0
28.6
-182.1
1245.1
1063.0
Black
6
0
0
6
0.0
0.0
-425.0
1208.3
783.3
Rapid
All
9
3
2
4
4.0
44.4
-47.2
1263.5
1216.3
White
5
2
1
2
2.5
50.0
0.0
1295.6
1295.6
Black
4
1
1
2
1.5
37.5
-106.3
1223.5
1117.2
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
Top 20 opponents most often played
#
Chess SA id
Name
Games
Score
Wins
Draws
Losses
%
Aor
Dp
Perform
View
1
1080112286
Kana, Z (Zaywon)
2
0.0
0
0
2
0.0
1128.3
-425.0
703.3
View list
2
1090139705
Visser, D (Denwill)
1
1.0
1
0
0
100.0
1056.6
425.0
1481.6
View list
3
1090118471
Sapto, C (Christiano)
1
1.0
1
0
0
100.0
1056.6
425.0
1481.6
View list
4
1080151249
Grobler, R (Reinhart)
1
1.0
1
0
0
100.0
1056.6
425.0
1481.6
View list
5
1090149845
George, K (Kelvin)
1
1.0
1
0
0
100.0
1056.6
425.0
1481.6
View list
6
1090151255
Lottering, R (Rolan)
1
1.0
1
0
0
100.0
1056.6
425.0
1481.6
View list
7
2080133452
Bailey, Z (Zainodine)
1
0.5
0
1
0
50.0
1200.0
0.0
1200.0
View list
8
1070137715
Mattheys, C (Clyde)
1
0.5
0
1
0
50.0
1200.0
0.0
1200.0
View list
9
1060108644
Thirion, C (Christiaan)
1
0.0
0
0
1
0.0
1116.0
-425.0
691.0
View list
10
1070137612
Steenkamp, D (Daneshwill)
1
0.0
0
0
1
0.0
1179.4
-425.0
754.4
View list
11
1080137718
Windvogel, A (Adrianno)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
12
1070104272
White, D (Dvenerio)
1
0.0
0
0
1
0.0
1179.4
-425.0
754.4
View list
13
1090137697
Weyer, J (James Brian)
1
0.0
0
0
1
0.0
1056.6
-425.0
631.6
View list
14
1080137618
Weimers, J (Jemal)
1
0.0
0
0
1
0.0
1179.4
-425.0
754.4
View list
15
1090151261
Pietersen, G (Gurwin)
1
0.0
0
0
1
0.0
1056.6
-425.0
631.6
View list
16
1080140987
Murtz, M (Mark)
1
0.0
0
0
1
0.0
1056.6
-425.0
631.6
View list
17
109087931
Michiel, RRJ (Raidan)
1
0.0
0
0
1
0.0
1056.6
-425.0
631.6
View list
18
1080137511
Louw, B (Ben)
1
0.0
0
0
1
0.0
1179.4
-425.0
754.4
View list
19
1070146201
Davids, J (Jowen)
1
0.0
0
0
1
0.0
1116.0
-425.0
691.0
View list
20
1050146199
Cupido, A (Aiden)
1
0.0
0
0
1
0.0
1116.0
-425.0
691.0
View list