Chess South Africa Ratings Database

PLAYER PAGE

Personal

Stein, J (Jack)

Chess SA id

1170191220

FIDE id

Date of birth

2017-09-04 (U10)

Gender

Male

Region

Cape Town (WCT)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-10-11

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1305	1261.2	1310.7	1200
Raw rating	1305	1261.2	1310.7	1200
Weighted rating	1258.5	1260.5	1239.5	1200
Weighted performance	1172.1	0	1209.8	0
Floor	805	772	810.7	700
K-factor	36	36	36	36
Min/Max rating change allowed	142.8	152	141.6	165.8
Highest rating	1375.8 2024-02-01	1535.1 2024-02-01	1310.7 2025-11-01	1200 2018-10-01
Highest raw rating	1305 2025-11-01	1272 2024-03-01	1310.7 2025-11-01	1200 2024-02-01
Highest weighted rating	1258.5 2025-11-01	1257.7 2025-08-01	1239.5 2025-11-01	1200 2018-10-01
Highest weighted performance	1375.8 2024-02-01	1535.1 2024-02-01	1261.6 2023-11-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1305	1261.2	1310.7	1200
Analysis
Rating	1305	1261.2	1310.7	1200
Raw rating	1305	1261.2	1310.7	1200
Weighted rating	1258.5	1260.5	1239.5
Weighted performance	1172.1	0	1209.8
K-factor	36	36	36	36
Floor	805	772	810.7	700
Max/Min rating change allowed	142.8	152	141.6	165.8
Games	0	0	0	0
Score	0	0	0	0
Expected score	0	0	0	0
Score-Expected	0	0	0	0
Temp raw +/-	0	0	0	0
Final raw +/-	0	0	0	0
New raw rating	1305	1261.2	1310.7	1200
New weighted rating	1263	1261	1246.2	1200
New weighted performance	1164.8	0	1202.2	0
Temp new rating	1305	1261.2	1310.7	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1305	1261.2	1310.7	1200
New K-factor	36	36	36	36
New floor	805	772	810.7	700

Item	Main	Standard	Rapid
	0	0	0
	23	0	23
	22	16	6
	5	0	5
	0	0	0
	0	0	0
History	50	16	34

Games since
	Main 50	Standard 16		Rapid 34		Blitz 0
Gender	Male
Age group	U10
Region	Cape Town (WCT)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	3223		1057		439
Male	2518		783		344
U10	269		84		26
U10 Male	216		60		20
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U10	-1		-1		-1
U10 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	1005		514		224
Male	821		414		195
U10	81		45		15
U10 Male	68		37		12
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U10	-1		-1		-1
U10 Male	-1		-1		-1


	Games	Score	%	Dp	AvgOpp	Performance
Main	0	0	0	0	0	0
Standard	0	0	0	0	0	0
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

	Games	Score	%	Dp	AvgOpp	Performance
Main	23	13	56.52	55.4	1301.6	1357
Standard	0	0	0	0	0	0
Rapid	23	13	56.52	55.4	1301.6	1357
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	50	29.5	59	76.5	1236.4	1312.9
Standard	16	11	68.75	159.4	1157.1	1316.4
Rapid	34	18.5	54.41	37.5	1273.8	1311.3
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1305	1261.2	1310.7	1200
2025-09-30	1293.1	1261.2	1297.4	1200
2025-09-01	1293.1	1261.2	1297.4	1200
2025-08-01	1274.8	1261.2	1266.3	1200
2025-07-01	1274.8	1261.2	1266.3	1200
2025-06-01	1237.8	1261.2	1210.9	1200
2025-05-01	1237.1	1261.2	1210.7	1200
2025-04-01	1235.9	1261.2	1209.4	1200
2025-03-01	1242.9	1261.2	1210.8	1200
2025-02-01	1242.9	1261.2	1210.8	1200
2025-01-01	1242.9	1261.2	1210.8	1200
2024-12-01	1242.9	1261.2	1210.8	1200
2024-11-01	1242.9	1261.2	1210.8	1200
2024-10-01	1242.9	1261.2	1210.8	1200
2024-09-01	1242.9	1261.2	1210.8	1200
2024-08-01	1242.9	1261.2	1210.8	1200
2024-07-01	1242.9	1261.2	1210.8	1200
2024-09-01	1242.9	1261.2	1210.8	1200
2024-05-01	1252.8	1270.9	1214	1200
2024-04-01	1252.8	1270.9	1214	1200
2024-03-01	1256.7	1272	1214	1200
2024-02-01	1204.7	1200	1214	1200
2024-01-01	1204.7	1200	1214	1200
2023-12-01	1204.7	1200	1214	1200

Comming soon.

Tournaments

History

No tournaments found.

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	UCT Open Chess Championship 2025 (U10)	2025-10-11	2025-10-11	Rapid	Cape Town (WCT)	6	6	3	Yes	Analysis
2	Curro Chess Open Rapid 2025 (U10)	2025-08-23	2025-08-23	Rapid	Cape Town (WCT)	6	6	4	Yes	Analysis
3	Cape Town Chess Junior League 2025 (U8+U10 Development)	2025-05-23	2025-05-31	Rapid	Cape Town (WCT)	7	5	4	Yes	Analysis
4	Steinitz Festival 2025 (U10)	2025-03-15	2025-03-15	Rapid	Cape Town (WCT)	7	6	2	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	UCT Open Chess Championship 2025 (U10)	2025-10-11	2025-10-11	Rapid	Cape Town (WCT)	6	6	3	Yes	Analysis
2	Curro Chess Open Rapid 2025 (U10)	2025-08-23	2025-08-23	Rapid	Cape Town (WCT)	6	6	4	Yes	Analysis
3	Cape Town Chess Junior League 2025 (U8+U10 Development)	2025-05-23	2025-05-31	Rapid	Cape Town (WCT)	7	5	4	Yes	Analysis
4	Steinitz Festival 2025 (U10)	2025-03-15	2025-03-15	Rapid	Cape Town (WCT)	7	6	2	Yes	Analysis
5	PNPS Chess Challengers 2024 (U10)	2024-05-18	2024-05-18	Rapid	Cape Town (WCT)	6	6	3	Yes	Analysis
6	Western Cape PS Individuals Championship 2024 (U7 Boys)	2024-05-04	2024-05-05	Standard	West Coast (WCU)	6	6	3.5	Yes	Analysis
7	Cape Town Metro Schools Chess Closed Individuals 2024 (U7 Boys)	2024-03-02	2024-03-03	Standard	Cape Town (WCT)	6	5	3	Yes	Analysis
8	CT Metro Central District Schools Chess Individuals Trials 2024 (U7 Boys+Girls)	2024-02-03	2024-02-03	Standard	Cape Town (WCT)	5	5	4.5	Yes	Analysis
9	Chas Everitt and MHI Attorneys Rapid 2023 (U8)	2023-11-04	2023-11-04	Rapid	Cape Town (WCT)	6	5	2.5	Yes	Analysis

#	Games	Start				End
1	9	Tournament Chas Everitt and MHI Attorneys Rapid 2023				Tournament Cape Town Metro Schools Chess Closed Individuals 2024
		date 2023-11-04	rnd 6	type Rapid	result 1	date 2024-03-03	rnd 4	type Standard	result 1
		Opponent Le Roux, S (Simon)				Opponent Baron, R (Raziel)
2	4	Tournament Cape Town Chess Junior League 2025				Tournament Cape Town Chess Junior League 2025
		date 2025-05-23	rnd 1	type Rapid	result 1	date 2025-05-31	rnd 6	type Rapid	result 1
		Opponent Harris, A (Alex)				Opponent Mjwana, A (Alunamda)
3	4	Tournament Western Cape PS Individuals Championship 2024				Tournament PNPS Chess Challengers 2024
		date 2024-05-05	rnd 5	type Standard	result 1	date 2024-05-18	rnd 2	type Rapid	result 1
		Opponent Louw, D (Dean)				Opponent Lekheta, N (Naledi)

#	Games	Start				End
1	8	Tournament CT Metro Central District Schools Chess Individuals Trials 2024				Tournament Cape Town Metro Schools Chess Closed Individuals 2024
		date 2024-02-03	rnd 1	type Standard	result 1	date 2024-03-03	rnd 4	type Standard	result 1
		Opponent Nongogo, A (Akhona)				Opponent Baron, R (Raziel)
2	3	Tournament Cape Town Metro Schools Chess Closed Individuals 2024				Tournament Western Cape PS Individuals Championship 2024
		date 2024-03-03	rnd 6	type Standard	result 0.5	date 2024-05-04	rnd 2	type Standard	result 1
		Opponent Chumpitaz Avila, J (Jozua)				Opponent Saayman, N (Nicolin)
3	2	Tournament Western Cape PS Individuals Championship 2024				Tournament Western Cape PS Individuals Championship 2024
		date 2024-05-05	rnd 5	type Standard	result 1	date 2024-05-05	rnd 6	type Standard	result 1
		Opponent Louw, D (Dean)				Opponent Harris, A (Alex)

#	Games	Start				End
1	4	Tournament Cape Town Chess Junior League 2025				Tournament Cape Town Chess Junior League 2025
		date 2025-05-23	rnd 1	type Rapid	result 1	date 2025-05-31	rnd 6	type Rapid	result 1
		Opponent Harris, A (Alex)				Opponent Mjwana, A (Alunamda)
2	3	Tournament Curro Chess Open Rapid 2025				Tournament Curro Chess Open Rapid 2025
		date 2025-08-23	rnd 1	type Rapid	result 1	date 2025-08-23	rnd 3	type Rapid	result 1
		Opponent Chetty, A (Austin)				Opponent Naidoo, T (Teshar)
3	3	Tournament Chas Everitt and MHI Attorneys Rapid 2023				Tournament PNPS Chess Challengers 2024
		date 2023-11-04	rnd 6	type Rapid	result 1	date 2024-05-18	rnd 2	type Rapid	result 1
		Opponent Le Roux, S (Simon)				Opponent Lekheta, N (Naledi)

No games found.

#	Games	Start				End

#	Games	Start				End
1	4	Tournament Cape Town Chess Junior League 2025				Tournament Cape Town Chess Junior League 2025
		date 2025-05-23	rnd 1	type Rapid	result 1	date 2025-05-31	rnd 6	type Rapid	result 1
		Opponent Harris, A (Alex)				Opponent Mjwana, A (Alunamda)
2	4	Tournament Western Cape PS Individuals Championship 2024				Tournament PNPS Chess Challengers 2024
		date 2024-05-05	rnd 5	type Standard	result 1	date 2024-05-18	rnd 2	type Rapid	result 1
		Opponent Louw, D (Dean)				Opponent Lekheta, N (Naledi)
3	4	Tournament Chas Everitt and MHI Attorneys Rapid 2023				Tournament CT Metro Central District Schools Chess Individuals Trials 2024
		date 2023-11-04	rnd 6	type Rapid	result 1	date 2024-02-03	rnd 3	type Standard	result 1
		Opponent Le Roux, S (Simon)				Opponent Levin, J (Jessie)

#	Games	Start				End
1	3	Tournament CT Metro Central District Schools Chess Individuals Trials 2024				Tournament CT Metro Central District Schools Chess Individuals Trials 2024
		date 2024-02-03	rnd 1	type Standard	result 1	date 2024-02-03	rnd 3	type Standard	result 1
		Opponent Nongogo, A (Akhona)				Opponent Levin, J (Jessie)
2	2	Tournament Western Cape PS Individuals Championship 2024				Tournament Western Cape PS Individuals Championship 2024
		date 2024-05-05	rnd 5	type Standard	result 1	date 2024-05-05	rnd 6	type Standard	result 1
		Opponent Louw, D (Dean)				Opponent Harris, A (Alex)
3	2	Tournament CT Metro Central District Schools Chess Individuals Trials 2024				Tournament Cape Town Metro Schools Chess Closed Individuals 2024
		date 2024-02-03	rnd 5	type Standard	result 1	date 2024-03-02	rnd 2	type Standard	result 1
		Opponent Baker, J (Jessica)				Opponent Onyire, W (Winner)

#	Games	Start				End
1	4	Tournament Cape Town Chess Junior League 2025				Tournament Cape Town Chess Junior League 2025
		date 2025-05-23	rnd 1	type Rapid	result 1	date 2025-05-31	rnd 6	type Rapid	result 1
		Opponent Harris, A (Alex)				Opponent Mjwana, A (Alunamda)
2	3	Tournament Curro Chess Open Rapid 2025				Tournament Curro Chess Open Rapid 2025
		date 2025-08-23	rnd 1	type Rapid	result 1	date 2025-08-23	rnd 3	type Rapid	result 1
		Opponent Chetty, A (Austin)				Opponent Naidoo, T (Teshar)
3	3	Tournament Chas Everitt and MHI Attorneys Rapid 2023				Tournament PNPS Chess Challengers 2024
		date 2023-11-04	rnd 6	type Rapid	result 1	date 2024-05-18	rnd 2	type Rapid	result 1
		Opponent Le Roux, S (Simon)				Opponent Lekheta, N (Naledi)

No games found.

#	Games	Start				End

Top 10 opponents most often played

#	Opponent	Main			Standard			Rapid			Blitz
		Gms	Score	Dp	Gms	Score	Dp	Gms	Score	Dp	Gms	Score	Dp
		Gms	Aor	Prat	Gms	Aor	Prat	Gms	Aor	Prat	Gms	Aor	Prat
1	Whyatt ,C (Charles)	2	1	0	2	1	0	0	0	0	0	0	0
1	Whyatt ,C (Charles)	2	1146.8	1146.8	2	1194.8	1146.8	0	0	0	0	0	0
2	Harris ,A (Alex)	2	2	425	1	1	425	1	1	425	0	0	0
2	Harris ,A (Alex)	2	1199.6	1624.6	1	1113.6	1624.6	1	1211.6	1624.6	0	0	0
3	Rogova ,E (Emilia)	2	1	0	0	0	0	2	1	0	0	0	0
3	Rogova ,E (Emilia)	2	1315.6	1315.6	0	0	0	2	1359.8	1315.6	0	0	0
4	Louw ,D (Dean)	1	1	425	1	1	425	0	0	0	0	0	0
4	Louw ,D (Dean)	1	1233.8	1658.8	1	1200	1658.8	0	0	0	0	0	0
5	Rostoll ,A (Arno)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Rostoll ,A (Arno)	1	1383.9	958.9	1	1382.5	958.9	0	0	0	0	0	0
6	Balogun ,S (Samuel)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Balogun ,S (Samuel)	1	1198.7	773.7	1	1200	773.7	0	0	0	0	0	0
7	Nongogo ,L (Liyabona)	1	1	425	1	1	425	0	0	0	0	0	0
7	Nongogo ,L (Liyabona)	1	1192.2	1617.2	1	1200	1617.2	0	0	0	0	0	0
8	de Wet ,L (Lila)	1	1	425	0	0	0	1	1	425	0	0	0
8	de Wet ,L (Lila)	1	1267.4	1692.4	0	0	0	1	1200	1692.4	0	0	0
9	Collocott ,L (Levi)	1	0	-425	0	0	0	1	0	-425	0	0	0
9	Collocott ,L (Levi)	1	1200	775	0	0	0	1	1200	775	0	0	0
10	Mfana ,I (Iminathi)	1	0	-425	0	0	0	1	0	-425	0	0	0
10	Mfana ,I (Iminathi)	1	1200	775	0	0	0	1	1200	775	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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PLAYER PAGE

Personal

Stein, J (Jack)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms