Chess South Africa
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Chess South Africa
Matthews, J (Johaydan)
Dob:
2011/05/12 (U14)
Gender:
Male
Chess SA id:
1110148192
FIDE id:
Region:
Cape Winelands (WCW)
Citizen:
RSA
Title(s):
Last active:
2024/03/02 (116 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
1194.0
Current Weighted rating
1183.9
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1194.0
Current highest rating achieved
1194.0
Current floor (min rating allowed)
694.0
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)
±167.2
Current Raw change used (final)
0.0
Projected new Raw rating
1194.0
Projected new Weighed rating
1089.2
Projected new Weighted performance
688.0
Projected new final Raw rating (if new WP > new Raw)
1194.0
Projected new highest rating
1194.0
Projected new floor
694.0
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
1194.0
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
1182.0
Current Weighted rating
1177.6
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1182.0
Current highest rating achieved
1182.0
Current floor (min rating allowed)
682.0
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)
±170.1
Current Raw change used (final)
0.0
Projected new Raw rating
1182.0
Projected new Weighed rating
1083.2
Projected new Weighted performance
389.5
Projected new final Raw rating (if new WP > new Raw)
1182.0
Projected new highest rating
1182.0
Projected new floor
682.0
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
1182.0
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
1206.8
Current Weighted rating
1202.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1206.8
Current highest rating achieved
1206.8
Current floor (min rating allowed)
706.8
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)
±164.2
Current Raw change used (final)
0.0
Projected new Raw rating
1206.8
Projected new Weighed rating
1105.9
Projected new Weighted performance
392.7
Projected new final Raw rating (if new WP > new Raw)
1206.8
Projected new highest rating
1206.8
Projected new floor
706.8
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1206.8
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
2
Cape Winelands Schools - Prestige 2024 (U13 Boys)
2024/03/02
2024/03/02
Cape Winelands (WCW)
Standard
60
0.83
5
5
2.0
1190.0
1175.6
Analysis
1
Cape Winelands Schools - PS Trials 1 2024 (U13 Boys)
2024/02/10
2024/02/10
Cape Winelands (WCW)
Rapid
35
0.66
6
6
3.0
1179.4
1200.0
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
3
Cape Winelands Schools - Prestige 2024 (U13 Boys)
2024/03/02
2024/03/02
Cape Winelands (WCW)
Standard
60
0.83
5
5
2.0
1190.0
1175.6
Analysis
2
Cape Winelands Schools - PS Trials 1 2024 (U13 Boys)
2024/02/10
2024/02/10
Cape Winelands (WCW)
Rapid
35
0.66
6
6
3.0
1179.4
1200.0
Analysis
1
Drakenstein Pioneers Club Championship 2022 (U14)
2022/09/20
2022/10/11
Cape Winelands (WCW)
Standard
60
0.83
7
1
0.0
1200.0
1200.0
Analysis
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
11
5
0
6
5.0
45.5
-38.6
1266.0
1227.4
White
6
4
0
2
4.0
66.7
141.7
1209.5
1351.1
Black
5
1
0
4
1.0
20.0
-255.0
1333.9
1078.9
Standard
All
5
2
0
3
2.0
40.0
-85.0
1301.8
1216.8
White
3
2
0
1
2.0
66.7
141.7
1233.1
1374.8
Black
2
0
0
2
0.0
0.0
-425.0
1404.8
979.8
Rapid
All
6
3
0
3
3.0
50.0
0.0
1236.2
1236.2
White
3
2
0
1
2.0
66.7
141.7
1185.8
1327.4
Black
3
1
0
2
1.0
33.3
-141.7
1286.7
1145.0
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
12
5
0
7
5.0
41.7
-70.8
1254.7
1183.9
White
7
4
0
3
4.0
57.1
60.7
1198.2
1258.9
Black
5
1
0
4
1.0
20.0
-255.0
1333.9
1078.9
Standard
All
6
2
0
4
2.0
33.3
-141.7
1273.2
1131.6
White
4
2
0
2
2.0
50.0
0.0
1207.5
1207.5
Black
2
0
0
2
0.0
0.0
-425.0
1404.8
979.8
Rapid
All
6
3
0
3
3.0
50.0
0.0
1236.2
1236.2
White
3
2
0
1
2.0
66.7
141.7
1185.8
1327.4
Black
3
1
0
2
1.0
33.3
-141.7
1286.7
1145.0
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
1120140966
Smith, J (James)
2
0.0
0
0
2
0.0
1184.7
-425.0
759.7
View list
2
1120149760
Van Wyk, C (Caylem)
1
1.0
1
0
0
100.0
1190.0
425.0
1615.0
View list
3
1120192838
Lotz, T (Tyler)
1
1.0
1
0
0
100.0
1179.4
425.0
1604.4
View list
4
1110149781
Jacobs, Z (Zuan-Lee)
1
1.0
1
0
0
100.0
1179.4
425.0
1604.4
View list
5
1110137460
Jacobs, P (Pierre)
1
1.0
1
0
0
100.0
1179.4
425.0
1604.4
View list
6
1120192818
Arendse, A (Ashton Lee)
1
1.0
1
0
0
100.0
1190.0
425.0
1615.0
View list
7
1110108726
Small, Q (Quade)
1
0.0
0
0
1
0.0
1190.0
-425.0
765.0
View list
8
2100137484
Adams, M (Meacke)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
9
1120158350
Groenewald, C (Carlyle)
1
0.0
0
0
1
0.0
1179.4
-425.0
754.4
View list
10
1120108724
Goosen, J (Jeandre)
1
0.0
0
0
1
0.0
1190.0
-425.0
765.0
View list
11
1120156901
Fortuin, H (Haywill)
1
0.0
0
0
1
0.0
1179.4
-425.0
754.4
View list