Chess South Africa
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Chess South Africa
Marais, J (Jan-Luc)
Dob:
2004/11/04 (Adult)
Gender:
Male
Chess SA id:
1040151783
FIDE id:
Region:
Johannesburg Metro (GJM)
Citizen:
RSA
Title(s):
Last active:
2023/12/15 (170 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
1271.2
Curent Weighted rating
1244.2
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1271.2
Current floor (min rating allowed)
773.4
Current highest rating achieved
1273.4
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)
±149.8
Current Raw change used (final)
0.0
Projected new Raw rating
1271.2
Projected new Weighed rating
1247.7
Projected new Weighted performance
0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
1271.2
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1273.4
Projected new floor
773.4
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
1281.7
Curent Weighted rating
1250.1
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1281.7
Current floor (min rating allowed)
781.7
Current highest rating achieved
1281.7
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)
±147.6
Current Raw change used (final)
0.0
Projected new Raw rating
1281.7
Projected new Weighed rating
1254.2
Projected new Weighted performance
0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
1281.7
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1281.7
Projected new floor
781.7
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
1148.8
Curent Weighted rating
1174.9
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1174.9
Current floor (min rating allowed)
648.8
Current highest rating achieved
1148.8
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)
±178.4
Current Raw change used (final)
0.0
Projected new Raw rating
1148.8
Projected new Weighed rating
1172.0
Projected new Weighted performance
0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
1172.0
Projected effective change (new Official - current Official)
-2.9
Projected new highest rating
1148.8
Projected new floor
648.8
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
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)
648.8
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
648.8
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
4
Chess Power House Festive Rapid 2023 (B)
2023/12/15
2023/12/15
Johannesburg Metro (GJM)
Rapid
20
0.47
6
6
2.0
1273.4
1200.0
Analysis
3
2023 Alekhine Open Tournament (C)
2023/09/09
2023/09/09
Tshwane (GTP)
Standard
90
0.94
5
5
3.0
1241.9
1250.4
Analysis
2
2023 Woman's Day Open Chess Tournament (Rook)
2023/08/09
2023/08/09
Tshwane (GTP)
Standard
60
0.83
5
5
5.0
1175.8
1170.8
Analysis
1
JNW Open - Crawford 2023 (Adult)
2023/03/04
2023/03/04
Johannesburg Metro (GJM)
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
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
21
12
0
9
12.0
57.1
60.7
1243.4
1304.1
White
12
6
0
6
6.0
50.0
0.0
1255.5
1255.5
Black
9
6
0
3
6.0
66.7
141.7
1227.2
1368.9
Standard
All
15
10
0
5
10.0
66.7
141.7
1194.1
1335.8
White
9
5
0
4
5.0
55.6
47.2
1171.8
1219.0
Black
6
5
0
1
5.0
83.3
283.3
1227.6
1510.9
Rapid
All
6
2
0
4
2.0
33.3
-141.7
1366.5
1224.8
White
3
1
0
2
1.0
33.3
-141.7
1506.4
1364.7
Black
3
1
0
2
1.0
33.3
-141.7
1226.5
1084.9
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
2690110065
Dinham, J (Jenny)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
2
1080148656
Acker, S (Steven)
1
1.0
1
0
0
100.0
1241.9
425.0
1666.9
View list
3
2060154129
Malongane, R (Rudzani)
1
1.0
1
0
0
100.0
1175.8
425.0
1600.8
View list
4
188017699
Lemme, T (Tumelo)
1
1.0
1
0
0
100.0
1273.4
425.0
1698.4
View list
5
103014718
Jurisich, J (Jared)
1
1.0
1
0
0
100.0
1175.8
425.0
1600.8
View list
6
1090158633
Mphahlele, T (Thabo)
1
1.0
1
0
0
100.0
1175.8
425.0
1600.8
View list
7
1080144534
Moultrey, V (Valentino)
1
1.0
1
0
0
100.0
1273.4
425.0
1698.4
View list
8
1090136201
Seitei, N (Neo)
1
1.0
1
0
0
100.0
1241.9
425.0
1666.9
View list
9
1740145613
Parag, Y (Yakesh)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
10
1080109888
Van Wyk, J (Jonathan)
1
1.0
1
0
0
100.0
1241.9
425.0
1666.9
View list
11
1760159712
Van Rensburg, W (Wayne)
1
1.0
1
0
0
100.0
1175.8
425.0
1600.8
View list
12
1990159711
Van Rensburg, J (Jason)
1
1.0
1
0
0
100.0
1175.8
425.0
1600.8
View list
13
1980151788
Semukelo, M (Mathe)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
14
1020151787
Netshivhulana, R (Ronewa Philip)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
15
211085191
Naidoo, K (Kajol)
1
0.0
0
0
1
0.0
1273.4
-425.0
848.4
View list
16
1970151786
Mwamba, G (Godfrey)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
17
185086005
Matshanisi, I (Itani)
1
0.0
0
0
1
0.0
1273.4
-425.0
848.4
View list
18
1130152987
Mann, I (Iowan)
1
0.0
0
0
1
0.0
1241.9
-425.0
816.9
View list
19
1030103471
Hansrajh, J (Jitrakorn)
1
0.0
0
0
1
0.0
1273.4
-425.0
848.4
View list
20
1080154177
Grobler, W (Wian)
1
0.0
0
0
1
0.0
1241.9
-425.0
816.9
View list