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:
2024/07/28 (75 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
1300.7
Current Weighted rating
1263.8
Current Weighted performance
1226.6
Current official/published rating (highest between Raw, WR and WP)
1300.7
Current highest rating achieved
1300.7
Current floor (min rating allowed)
800.7
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)
±143.7
Current Raw change used (final)
0.0
Projected new Raw rating
1300.7
Projected new Weighed rating
1164.4
Projected new Weighted performance
1226.6
Projected new final Raw rating (if new WP > new Raw)
1300.7
Projected new highest rating
1300.7
Projected new floor
800.7
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1300.7
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
1281.7
Current Weighted rating
1265.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1281.7
Current highest rating achieved
1281.7
Current floor (min rating allowed)
781.7
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
1165.5
Projected new Weighted performance
923.5
Projected new final Raw rating (if new WP > new Raw)
1281.7
Projected new highest rating
1281.7
Projected new floor
781.7
Projected new K-facor
36
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
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
1203.2
Current Weighted rating
1176.8
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1203.2
Current highest rating achieved
1203.2
Current floor (min rating allowed)
703.2
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)
±165.1
Current Raw change used (final)
0.0
Projected new Raw rating
1203.2
Projected new Weighed rating
1082.2
Projected new Weighted performance
792.7
Projected new final Raw rating (if new WP > new Raw)
1203.2
Projected new highest rating
1203.2
Projected new floor
703.2
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1203.2
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
1
JNW Rapid - Helpmekaar Kollege 2024
2024/07/28
2024/07/28
Johannesburg Metro (GJM)
Rapid
15
0.39
7
7
4.0
1271.2
1148.8
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
5
JNW Rapid - Helpmekaar Kollege 2024
2024/07/28
2024/07/28
Johannesburg Metro (GJM)
Rapid
15
0.39
7
7
4.0
1271.2
1148.8
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
7
4
0
3
4.0
57.1
60.7
1478.2
1538.9
White
4
4
0
0
4.0
100.0
425.0
1372.5
1797.5
Black
3
0
0
3
0.0
0.0
-425.0
1619.1
1194.1
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
7
4
0
3
4.0
57.1
60.7
1478.2
1538.9
White
4
4
0
0
4.0
100.0
425.0
1372.5
1797.5
Black
3
0
0
3
0.0
0.0
-425.0
1619.1
1194.1
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
28
16
0
12
16.0
57.1
60.7
1302.1
1362.8
White
16
10
0
6
10.0
62.5
106.3
1284.7
1391.0
Black
12
6
0
6
6.0
50.0
0.0
1325.2
1325.2
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
13
6
0
7
6.0
46.2
-32.7
1426.6
1393.9
White
7
5
0
2
5.0
71.4
182.1
1429.9
1612.0
Black
6
1
0
5
1.0
16.7
-283.3
1422.8
1139.5
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
1080148656
Acker, S (Steven)
1
1.0
1
0
0
100.0
1241.9
425.0
1666.9
View list
2
188017699
Lemme, T (Tumelo)
1
1.0
1
0
0
100.0
1273.4
425.0
1698.4
View list
3
1090156316
Kgotse, T (Thoriso)
1
1.0
1
0
0
100.0
1271.2
425.0
1696.2
View list
4
103014718
Jurisich, J (Jared)
1
1.0
1
0
0
100.0
1175.8
425.0
1600.8
View list
5
1050133869
Fragoso, TD (Tshegofatso)
1
1.0
1
0
0
100.0
1271.2
425.0
1696.2
View list
6
2690110065
Dinham, J (Jenny)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
7
2060154129
Malongane, R (Rudzani)
1
1.0
1
0
0
100.0
1175.8
425.0
1600.8
View list
8
1110156277
Mtsweni, T (Thapelo)
1
1.0
1
0
0
100.0
1271.2
425.0
1696.2
View list
9
1090158633
Mphahlele, T (Thabo)
1
1.0
1
0
0
100.0
1175.8
425.0
1600.8
View list
10
1080144534
Moultrey, V (Valentino)
1
1.0
1
0
0
100.0
1273.4
425.0
1698.4
View list
11
1740145613
Parag, Y (Yakesh)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
12
1090136201
Seitei, N (Neo)
1
1.0
1
0
0
100.0
1241.9
425.0
1666.9
View list
13
1990159711
Van Rensburg, J (Jason)
1
1.0
1
0
0
100.0
1175.8
425.0
1600.8
View list
14
1760159712
Van Rensburg, W (Wayne)
1
1.0
1
0
0
100.0
1175.8
425.0
1600.8
View list
15
1080109888
Van Wyk, J (Jonathan)
1
1.0
1
0
0
100.0
1241.9
425.0
1666.9
View list
16
1120132213
Williams, J (Joshua)
1
1.0
1
0
0
100.0
1271.2
425.0
1696.2
View list
17
1020151787
Netshivhulana, R (Ronewa Philip)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
18
211085191
Naidoo, K (Kajol)
1
0.0
0
0
1
0.0
1273.4
-425.0
848.4
View list
19
1970151786
Mwamba, G (Godfrey)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
20
185086005
Matshanisi, I (Itani)
1
0.0
0
0
1
0.0
1273.4
-425.0
848.4
View list