Chess South Africa
Last updated:
Player Page
Home
Chess South Africa
Stein, J (Jack)
Dob:
2017/09/04 (U8)
Gender:
Male
Chess SA id:
1170191220
FIDE id:
Region:
Cape Town (WCT)
Citizen:
RSA
Title(s):
Last active:
2024/05/18 (190 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
1242.9
Current Weighted rating
1228.5
Current Weighted performance
1133.7
Current official/published rating (highest between Raw, WR and WP)
1242.9
Current highest rating achieved
1256.7
Current floor (min rating allowed)
756.7
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)
±156.0
Current Raw change used (final)
0.0
Projected new Raw rating
1242.9
Projected new Weighed rating
1131.0
Projected new Weighted performance
1133.7
Projected new final Raw rating (if new WP > new Raw)
1242.9
Projected new highest rating
1256.7
Projected new floor
756.7
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1242.9
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
1261.2
Current Weighted rating
1238.4
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1261.2
Current highest rating achieved
1272.0
Current floor (min rating allowed)
772.0
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)
±152.0
Current Raw change used (final)
0.0
Projected new Raw rating
1261.2
Projected new Weighed rating
1140.5
Projected new Weighted performance
951.5
Projected new final Raw rating (if new WP > new Raw)
1261.2
Projected new highest rating
1272.0
Projected new floor
772.0
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1261.2
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
1210.8
Current Weighted rating
1209.5
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1210.8
Current highest rating achieved
1214.0
Current floor (min rating allowed)
714.0
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)
±163.3
Current Raw change used (final)
0.0
Projected new Raw rating
1210.8
Projected new Weighed rating
1113.0
Projected new Weighted performance
659.6
Projected new final Raw rating (if new WP > new Raw)
1210.8
Projected new highest rating
1214.0
Projected new floor
714.0
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1210.8
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
4
PNPS Chess Challengers 2024 (U10)
2024/05/18
2024/05/18
Cape Town (WCT)
Rapid
30
0.60
6
6
3.0
1252.8
1214.0
Analysis
3
Western Cape PS Individuals Championship 2024 (U7 Boys)
2024/05/04
2024/05/05
West Coast (WCU)
Standard
60
0.83
6
6
3.5
1252.8
1270.9
Analysis
2
Cape Town Metro Schools Chess Closed Individuals 2024 (U7 Boys)
2024/03/02
2024/03/03
Cape Town (WCT)
Standard
60
0.83
6
5
3.0
1256.7
1272.0
Analysis
1
CT Metro Central District Schools Chess Individuals Trials 2024 (U7 Boys+Girls)
2024/02/03
2024/02/03
Cape Town (WCT)
Standard
60
0.83
5
5
4.5
1204.7
1200.0
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
5
PNPS Chess Challengers 2024 (U10)
2024/05/18
2024/05/18
Cape Town (WCT)
Rapid
30
0.60
6
6
3.0
1252.8
1214.0
Analysis
4
Western Cape PS Individuals Championship 2024 (U7 Boys)
2024/05/04
2024/05/05
West Coast (WCU)
Standard
60
0.83
6
6
3.5
1252.8
1270.9
Analysis
3
Cape Town Metro Schools Chess Closed Individuals 2024 (U7 Boys)
2024/03/02
2024/03/03
Cape Town (WCT)
Standard
60
0.83
6
5
3.0
1256.7
1272.0
Analysis
2
CT Metro Central District Schools Chess Individuals Trials 2024 (U7 Boys+Girls)
2024/02/03
2024/02/03
Cape Town (WCT)
Standard
60
0.83
5
5
4.5
1204.7
1200.0
Analysis
1
Chas Everitt and MHI Attorneys Rapid 2023 (U8)
2023/11/04
2023/11/04
Cape Town (WCT)
Rapid
25
0.54
6
5
2.5
1200.0
1200.0
Analysis
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
22
12
4
6
14.0
63.6
115.9
1168.8
1284.7
White
10
6
1
3
6.5
65.0
127.5
1154.7
1282.2
Black
12
6
3
3
7.5
62.5
106.3
1180.5
1286.8
Standard
All
16
9
4
3
11.0
68.8
159.4
1157.1
1316.4
White
7
5
1
1
5.5
78.6
242.9
1135.2
1378.1
Black
9
4
3
2
5.5
61.1
94.4
1174.0
1268.5
Rapid
All
6
3
0
3
3.0
50.0
0.0
1200.0
1200.0
White
3
1
0
2
1.0
33.3
-141.7
1200.0
1058.3
Black
3
2
0
1
2.0
66.7
141.7
1200.0
1341.7
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
27
14
5
8
16.5
61.1
94.4
1180.9
1275.3
White
12
7
2
3
8.0
66.7
141.7
1157.7
1299.3
Black
15
7
3
5
8.5
56.7
56.7
1199.5
1256.1
Standard
All
16
9
4
3
11.0
68.8
159.4
1157.1
1316.4
White
7
5
1
1
5.5
78.6
242.9
1135.2
1378.1
Black
9
4
3
2
5.5
61.1
94.4
1174.0
1268.5
Rapid
All
11
5
1
5
5.5
50.0
0.0
1215.6
1215.6
White
5
2
1
2
2.5
50.0
0.0
1189.0
1189.0
Black
6
3
0
3
3.0
50.0
0.0
1237.7
1237.7
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
1170147908
Whyatt, C (Charles)
2
1.0
0
2
0
50.0
1230.7
0.0
1230.7
View list
2
1170157936
Onyire, W (Winner)
1
1.0
1
0
0
100.0
1256.7
425.0
1681.7
View list
3
2170191499
Nongogo, L (Liyabona)
1
1.0
1
0
0
100.0
1204.7
425.0
1629.7
View list
4
2160191497
Nongogo, A (Akhona)
1
1.0
1
0
0
100.0
1204.7
425.0
1629.7
View list
5
1170192623
Louw, D (Dean)
1
1.0
1
0
0
100.0
1252.8
425.0
1677.8
View list
6
1170141005
Levin, J (Jessie)
1
1.0
1
0
0
100.0
1204.7
425.0
1629.7
View list
7
2140305014
Lekheta, N (Naledi)
1
1.0
1
0
0
100.0
1252.8
425.0
1677.8
View list
8
1160191215
Le Roux, S (Simon)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
9
1170193573
Baron, R (Raziel)
1
1.0
1
0
0
100.0
1256.7
425.0
1681.7
View list
10
1160142377
Chumpitaz Avila, J (Josef)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
11
1180193574
Harris, A (Alex)
1
1.0
1
0
0
100.0
1252.8
425.0
1677.8
View list
12
1140305010
Harries, A (Axl)
1
1.0
1
0
0
100.0
1252.8
425.0
1677.8
View list
13
2170193332
Baker, J (Jessica)
1
1.0
1
0
0
100.0
1204.7
425.0
1629.7
View list
14
1170191745
Saayman, N (Nicolin)
1
1.0
1
0
0
100.0
1252.8
425.0
1677.8
View list
15
1140305020
Van Ster, E (Evan)
1
1.0
1
0
0
100.0
1252.8
425.0
1677.8
View list
16
1170142378
Chumpitaz Avila, J (Jozua)
1
0.5
0
1
0
50.0
1256.7
0.0
1256.7
View list
17
1170192937
Hessie, L (Luke)
1
0.5
0
1
0
50.0
1252.8
0.0
1252.8
View list
18
1160190274
Wang, T (Tonic)
1
0.5
0
1
0
50.0
1200.0
0.0
1200.0
View list
19
1170192944
Rostoll, A (Arno)
1
0.0
0
0
1
0.0
1252.8
-425.0
827.8
View list
20
2160150370
Rogova, E (Emilia)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list