Chess South Africa Ratings Database

PLAYER PAGE

Personal

Laval, E (Ethan)

Chess SA id

1150314707

FIDE id

Date of birth

2015-12-28 (U12)

Gender

Male

Region

Johannesburg Metro (GJM)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-08-31

Personal details last changed

1900-01-01

Junior GPX Games

49.8

Junior GPX Points

1272.4

Item	Main	Standard	Rapid	Blitz
Rating	1344.2	1338.8	1200.5	1200
Raw rating	1344.2	1338.8	1200.5	1200
Weighted rating	1270.3	1267.8	1200.3	1200
Weighted performance	1279.3	1281	0	0
Floor	900.5	906.9	700.5	700
K-factor	32	32	36	36
Min/Max rating change allowed	135	136.1	165.7	165.8
Highest rating	1434 2025-09-01	1436.6 2025-09-01	1200.5 2025-03-01	1200 2025-03-01
Highest raw rating	1400.5 2025-09-01	1406.9 2025-09-01	1200.5 2025-03-01	1200 2025-03-01
Highest weighted rating	1261.6 2025-09-30	1259.5 2025-09-30	1200.2 2025-08-01	1200 2025-03-01
Highest weighted performance	1434 2025-09-01	1436.6 2025-09-01	0 1900-01-01	0 1900-01-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1344.2	1338.8	1200.5	1200
Analysis
Rating	1344.2	1338.8	1200.5	1200
Raw rating	1344.2	1338.8	1200.5	1200
Weighted rating	1270.3	1267.8	1200.3
Weighted performance	1279.3	1281	0
K-factor	32	32	36	36
Floor	900.5	906.9	700.5	700
Max/Min rating change allowed	135	136.1	165.7	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	1344.2	1338.8	1200.5	1200
New weighted rating	1278.5	1275.7	1200.3	1200
New weighted performance	1271.6	1273.3	0	0
Temp new rating	1344.2	1338.8	1200.5	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1344.2	1338.8	1200.5	1200
New K-factor	32	32	36	36
New floor	900.5	906.9	700.5	700

Item	Main	Standard	Rapid
	0	0	0
	55	48	7
	0	0	0
	0	0	0
	0	0	0
	0	0	0
History	55	48	7

Games since
	Main 55	Standard 48		Rapid 7		Blitz 0
Gender	Male
Age group	U12
Region	Johannesburg Metro (GJM)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	2783		963		281
Male	2224		760		229
U12	399		143		38
U12 Male	290		100		31
Standard
	RSA		Province		Region
Overall	2783		1015		283
Male	2227		811		231
U12	388		151		40
U12 Male	285		107		32
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U12	-1		-1		-1
U12 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U12	-1		-1		-1
U12 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	55	25	45.45	-38.6	1335.7	1297.1
Standard	48	22	45.83	-35.4	1329.2	1293.7
Rapid	7	3	42.86	-60.7	1380.5	1319.8
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	55	25	45.45	-38.6	1335.7	1297.1
Standard	48	22	45.83	-35.4	1329.2	1293.7
Rapid	7	3	42.86	-60.7	1380.5	1319.8
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1344.2	1338.8	1200.5	1200
2025-09-30	1344.2	1338.8	1200.5	1200
2025-09-01	1400.5	1406.9	1200.5	1200
2025-08-01	1302.7	1301.8	1200.5	1200
2025-07-01	1314.2	1314.4	1200.5	1200
2025-06-01	1314.2	1314.4	1200.5	1200
2025-05-01	1294.7	1278	1200.5	1200
2025-04-01	1294.7	1278	1200.5	1200
2025-03-01	1198.5	1196.7	1200.5	1200
2025-02-01	1200	1200	1200	1200
2025-01-01	1200	1200	1200	1200
2024-12-01	1200	1200	1200	1200
2024-11-01	1200	1200	1200	1200
2024-10-01	1200	1200	1200	1200
2024-09-01	1200	1200	1200	1200
2024-08-01	1200	1200	1200	1200
2024-07-01	1200	1200	1200	1200
2024-09-01	1200	1200	1200	1200
2024-05-01	1200	1200	1200	1200
2024-04-01	1200	1200	1200	1200
2024-03-01	1200	1200	1200	1200
2024-02-01	1200	1200	1200	1200
2024-01-01	1200	1200	1200	1200
2023-12-01	1200	1200	1200	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	Fourth Knight Riders Juniors Open Chess Tournament 2025 (C)	2025-08-31	2025-08-31	Standard	Johannesburg Metro (GJM)	5	4	0	Yes	Analysis
2	JMC Closed 2025 (U12)	2025-08-09	2025-08-10	Standard	Johannesburg Metro (GJM)	5	5	4	Yes	Analysis
3	JMC - Trinity Randpark Ridge 2025 (U12)	2025-07-26	2025-07-26	Standard	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis
4	Knight Riders Juniors Open Chess Tournament 2025 (D)	2025-05-24	2025-05-24	Standard	Johannesburg Metro (GJM)	5	5	2.5	Yes	Analysis
5	JMC Crawford Sandton 2025 (U12)	2025-05-10	2025-05-10	Standard	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis
6	2nd Knight Riders Junior Open 2025 (D)	2025-03-23	2025-03-23	Standard	Johannesburg Metro (GJM)	5	5	2.5	Yes	Analysis
7	MCA Summer March 2025 (Junior)	2025-03-08	2025-03-08	Standard	Johannesburg Metro (GJM)	5	5	4	Yes	Analysis
8	JMC Crawford Ruimsig 2025 (U12)	2025-03-01	2025-03-01	Standard	Johannesburg Metro (GJM)	5	4	1	Yes	Analysis
9	JMC Rapid The Bridge School 2025 (Open)	2025-02-23	2025-02-23	Rapid	Johannesburg Metro (GJM)	7	7	3	Yes	Analysis
10	MCA Welcome 2025 (Junior)	2025-02-15	2025-02-15	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
11	JMC Kick Off 2025 (D)	2025-02-02	2025-02-02	Standard	Johannesburg Metro (GJM)	5	5	1	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Fourth Knight Riders Juniors Open Chess Tournament 2025 (C)	2025-08-31	2025-08-31	Standard	Johannesburg Metro (GJM)	5	4	0	Yes	Analysis
2	JMC Closed 2025 (U12)	2025-08-09	2025-08-10	Standard	Johannesburg Metro (GJM)	5	5	4	Yes	Analysis
3	JMC - Trinity Randpark Ridge 2025 (U12)	2025-07-26	2025-07-26	Standard	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis
4	Knight Riders Juniors Open Chess Tournament 2025 (D)	2025-05-24	2025-05-24	Standard	Johannesburg Metro (GJM)	5	5	2.5	Yes	Analysis
5	JMC Crawford Sandton 2025 (U12)	2025-05-10	2025-05-10	Standard	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis
6	2nd Knight Riders Junior Open 2025 (D)	2025-03-23	2025-03-23	Standard	Johannesburg Metro (GJM)	5	5	2.5	Yes	Analysis
7	MCA Summer March 2025 (Junior)	2025-03-08	2025-03-08	Standard	Johannesburg Metro (GJM)	5	5	4	Yes	Analysis
8	JMC Crawford Ruimsig 2025 (U12)	2025-03-01	2025-03-01	Standard	Johannesburg Metro (GJM)	5	4	1	Yes	Analysis
9	JMC Rapid The Bridge School 2025 (Open)	2025-02-23	2025-02-23	Rapid	Johannesburg Metro (GJM)	7	7	3	Yes	Analysis
10	MCA Welcome 2025 (Junior)	2025-02-15	2025-02-15	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
11	JMC Kick Off 2025 (D)	2025-02-02	2025-02-02	Standard	Johannesburg Metro (GJM)	5	5	1	Yes	Analysis

#	Games	Start				End
1	5	Tournament JMC - Trinity Randpark Ridge 2025				Tournament JMC Closed 2025
		date 2025-07-26	rnd 5	type Standard	result 1	date 2025-08-10	rnd 4	type Standard	result 1
		Opponent Johnson, M (Michaela)				Opponent Brits, E (Etienne)
2	4	Tournament MCA Summer March 2025				Tournament 2nd Knight Riders Junior Open 2025
		date 2025-03-08	rnd 3	type Standard	result 1	date 2025-03-23	rnd 1	type Standard	result 0.5
		Opponent Joel, L (Liam)				Opponent Darroch, J (Jarrod)
3	3	Tournament JMC Rapid The Bridge School 2025				Tournament JMC Rapid The Bridge School 2025
		date 2025-02-23	rnd 4	type Rapid	result 1	date 2025-02-23	rnd 6	type Rapid	result 1
		Opponent Mlilo, J (Junior)				Opponent Farkas, G (Gadi)

#	Games	Start				End
1	5	Tournament JMC - Trinity Randpark Ridge 2025				Tournament JMC Closed 2025
		date 2025-07-26	rnd 5	type Standard	result 1	date 2025-08-10	rnd 4	type Standard	result 1
		Opponent Johnson, M (Michaela)				Opponent Brits, E (Etienne)
2	4	Tournament MCA Summer March 2025				Tournament 2nd Knight Riders Junior Open 2025
		date 2025-03-08	rnd 3	type Standard	result 1	date 2025-03-23	rnd 1	type Standard	result 0.5
		Opponent Joel, L (Liam)				Opponent Darroch, J (Jarrod)
3	2	Tournament Knight Riders Juniors Open Chess Tournament 2025				Tournament Knight Riders Juniors Open Chess Tournament 2025
		date 2025-05-24	rnd 2	type Standard	result 1	date 2025-05-24	rnd 3	type Standard	result 0.5
		Opponent Mathibe, K (Koketso)				Opponent Kuchibhotla, AKA (Achyuta Kartikeya Arjun)

#	Games	Start				End
1	3	Tournament JMC Rapid The Bridge School 2025				Tournament JMC Rapid The Bridge School 2025
		date 2025-02-23	rnd 4	type Rapid	result 1	date 2025-02-23	rnd 6	type Rapid	result 1
		Opponent Mlilo, J (Junior)				Opponent Farkas, G (Gadi)

No games found.

#	Games	Start				End

#	Games	Start				End
1	5	Tournament JMC - Trinity Randpark Ridge 2025				Tournament JMC Closed 2025
		date 2025-07-26	rnd 5	type Standard	result 1	date 2025-08-10	rnd 4	type Standard	result 1
		Opponent Johnson, M (Michaela)				Opponent Brits, E (Etienne)
2	3	Tournament MCA Summer March 2025				Tournament MCA Summer March 2025
		date 2025-03-08	rnd 3	type Standard	result 1	date 2025-03-08	rnd 5	type Standard	result 1
		Opponent Joel, L (Liam)				Opponent Darroch, J (Jarrod)
3	3	Tournament JMC Rapid The Bridge School 2025				Tournament JMC Rapid The Bridge School 2025
		date 2025-02-23	rnd 4	type Rapid	result 1	date 2025-02-23	rnd 6	type Rapid	result 1
		Opponent Mlilo, J (Junior)				Opponent Farkas, G (Gadi)

#	Games	Start				End
1	5	Tournament JMC - Trinity Randpark Ridge 2025				Tournament JMC Closed 2025
		date 2025-07-26	rnd 5	type Standard	result 1	date 2025-08-10	rnd 4	type Standard	result 1
		Opponent Johnson, M (Michaela)				Opponent Brits, E (Etienne)
2	3	Tournament MCA Summer March 2025				Tournament MCA Summer March 2025
		date 2025-03-08	rnd 3	type Standard	result 1	date 2025-03-08	rnd 5	type Standard	result 1
		Opponent Joel, L (Liam)				Opponent Darroch, J (Jarrod)
3	2	Tournament 2nd Knight Riders Junior Open 2025				Tournament 2nd Knight Riders Junior Open 2025
		date 2025-03-23	rnd 3	type Standard	result 1	date 2025-03-23	rnd 4	type Standard	result 1
		Opponent Kamffer, J (John-Andrew)				Opponent Bender, K (Katelin)

#	Games	Start				End
1	3	Tournament JMC Rapid The Bridge School 2025				Tournament JMC Rapid The Bridge School 2025
		date 2025-02-23	rnd 4	type Rapid	result 1	date 2025-02-23	rnd 6	type Rapid	result 1
		Opponent Mlilo, J (Junior)				Opponent Farkas, G (Gadi)

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	Mwambazi ,J (James)	2	0	-425	2	0	-425	0	0	0	0	0	0
1	Mwambazi ,J (James)	2	1268.2	843.2	2	1278.2	843.2	0	0	0	0	0	0
2	Kapur ,Y (Yashvardhan)	2	0	-425	2	0	-425	0	0	0	0	0	0
2	Kapur ,Y (Yashvardhan)	2	1221.4	796.4	2	1220.2	796.4	0	0	0	0	0	0
3	Darroch ,J (Jarrod)	2	1.5	212.5	2	1.5	212.5	0	0	0	0	0	0
3	Darroch ,J (Jarrod)	2	1218	1430.5	2	1221.8	1430.5	0	0	0	0	0	0
4	Zhu ,R (Ryan Yuancheng)	2	1	0	2	1	0	0	0	0	0	0	0
4	Zhu ,R (Ryan Yuancheng)	2	1470.4	1470.4	2	1479.2	1470.4	0	0	0	0	0	0
5	Kuchibhotla ,AKA (Achyuta Kartikeya Arjun)	2	0.5	-212.5	2	0.5	-212.5	0	0	0	0	0	0
5	Kuchibhotla ,AKA (Achyuta Kartikeya Arjun)	2	1493.6	1281.1	2	1528.9	1281.1	0	0	0	0	0	0
6	Nahon ,J (James)	2	0	-425	1	0	-425	1	0	-425	0	0	0
6	Nahon ,J (James)	2	1348.5	923.5	1	1326.5	923.5	1	1276.4	923.5	0	0	0
7	Oyetunde ,T (Tosin)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Oyetunde ,T (Tosin)	1	1552.8	1127.8	1	1554.9	1127.8	0	0	0	0	0	0
8	Luo ,Y (Yichen)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Luo ,Y (Yichen)	1	1225.5	800.5	1	1226.5	800.5	0	0	0	0	0	0
9	Johnson ,M (Michaela)	1	1	425	1	1	425	0	0	0	0	0	0
9	Johnson ,M (Michaela)	1	1149.6	1574.6	1	1148.3	1574.6	0	0	0	0	0	0
10	Coulter ,J (Jared)	1	1	425	1	1	425	0	0	0	0	0	0
10	Coulter ,J (Jared)	1	1197.2	1622.2	1	1193.1	1622.2	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Laval, E (Ethan)

Ratings

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Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms