Chess South Africa Ratings Database

PLAYER PAGE

Personal

Rottcher, E (Ethan)

Chess SA id

1120310096

FIDE id

Date of birth

2012-10-15 (U16)

Gender

Male

Region

Ehlanzeni (MEN)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-05-10

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1283.1	1296.6	1200	1200
Raw rating	1283.1	1296.6	1200	1200
Weighted rating	1248.8	1256.1	1200	1200
Weighted performance	0	0	0	0
Floor	783.1	796.6	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	147.3	144.5	165.8	165.8
Highest rating	1283.1 2025-06-01	1296.6 2025-06-01	1200 2024-08-01	1200 2024-08-01
Highest raw rating	1283.1 2025-06-01	1296.6 2025-06-01	1200 2024-08-01	1200 2024-08-01
Highest weighted rating	1223.4 2025-08-01	1226.4 2025-08-01	1200 2024-08-01	1200 2024-08-01
Highest weighted performance	1200 2024-12-01	1200 2024-12-01	1200 2024-08-01	1200 2024-08-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1283.1	1296.6	1200	1200
Analysis
Rating	1283.1	1296.6	1200	1200
Raw rating	1283.1	1296.6	1200	1200
Weighted rating	1248.8	1256.1	1200
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	783.1	796.6	700	700
Max/Min rating change allowed	147.3	144.5	165.8	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	1283.1	1296.6	1200	1200
New weighted rating	1253	1261.1	1200	1200
New weighted performance	0	0	0	0
Temp new rating	1283.1	1296.6	1200	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1283.1	1296.6	1200	1200
New K-factor	36	36	36	36
New floor	783.1	796.6	700	700

Item	Main	Standard
	0	0
	15	15
	4	4
	0	0
	0	0
	0	0
History	19	19

Games since
	Main 19	Standard 19		Rapid 0		Blitz 0
Gender	Male
Age group	U14
Region	Ehlanzeni (MEN)
Province	Mpumalanga (MP)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 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	15	11	73.33	198.3	1169.9	1368.2
Standard	15	11	73.33	198.3	1169.9	1368.2
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	19	12.5	65.79	134.2	1189.9	1324.2
Standard	19	12.5	65.79	134.2	1189.9	1324.2
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2026-01-01	1283.1	1296.6	1200	1200
2025-11-30	1283.1	1296.6	1200	1200
2025-11-01	1283.1	1296.6	1200	1200
2025-09-30	1283.1	1296.6	1200	1200
2025-09-01	1283.1	1296.6	1200	1200
2025-08-01	1283.1	1296.6	1200	1200
2025-07-01	1283.1	1296.6	1200	1200
2025-06-01	1283.1	1296.6	1200	1200
2025-05-01	1230.2	1232.2	1200	1200
2025-04-01	1230.2	1232.2	1200	1200
2025-03-01	1230.2	1232.2	1200	1200
2025-02-01	1197.2	1196.6	1200	1200
2025-01-01	1193.6	1192	1200	1200
2024-12-01	1193.6	1192	1200	1200
2024-11-01	1193.6	1192	1200	1200
2024-10-01	1193.6	1192	1200	1200
2024-09-01	1193.6	1192	1200	1200
2024-11-01	1200	1200	1200	1200
2024-07-01	1200	1200	1200	1200
2024-06-01	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

Comming soon.

Tournaments

History

No tournaments found.

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis

No tournaments found.

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Curro Open Chess Tournament 2025 (U14)	2025-05-10	2025-05-10	Standard	Ehlanzeni (MEN)	5	5	4	Yes	Analysis
2	Penryn 2025 (C)	2025-02-22	2025-02-22	Standard	Ehlanzeni (MEN)	5	5	4	Yes	Analysis
3	Uplands Chess Tournament 2025 (C)	2025-02-08	2025-02-08	Standard	Ehlanzeni (MEN)	5	5	3	Yes	Analysis
4	Laerskool Lydenburg 2024 (U14)	2024-08-24	2024-08-24	Standard	Ehlanzeni (MEN)	5	4	1.5	Yes	Analysis

#	Games	Start				End
1	5	Tournament Uplands Chess Tournament 2025				Tournament Penryn 2025
		date 2025-02-08	rnd 5	type Standard	result 1	date 2025-02-22	rnd 4	type Standard	result 1
		Opponent Mkhatshwa, P (Proud)				Opponent Morabe, N (Neo)
2	2	Tournament Curro Open Chess Tournament 2025				Tournament Curro Open Chess Tournament 2025
		date 2025-05-10	rnd 4	type Standard	result 1	date 2025-05-10	rnd 5	type Standard	result 1
		Opponent Ramdhani, A (Aarna)				Opponent Mhlanga, B (Brian)
3	2	Tournament Curro Open Chess Tournament 2025				Tournament Curro Open Chess Tournament 2025
		date 2025-05-10	rnd 1	type Standard	result 1	date 2025-05-10	rnd 2	type Standard	result 1
		Opponent Sithole, J (Jaden)				Opponent Mathebula, ED (Emmanuel Dzunisani)

#	Games	Start				End
1	5	Tournament Uplands Chess Tournament 2025				Tournament Penryn 2025
		date 2025-02-08	rnd 5	type Standard	result 1	date 2025-02-22	rnd 4	type Standard	result 1
		Opponent Mkhatshwa, P (Proud)				Opponent Morabe, N (Neo)
2	2	Tournament Curro Open Chess Tournament 2025				Tournament Curro Open Chess Tournament 2025
		date 2025-05-10	rnd 4	type Standard	result 1	date 2025-05-10	rnd 5	type Standard	result 1
		Opponent Ramdhani, A (Aarna)				Opponent Mhlanga, B (Brian)
3	2	Tournament Curro Open Chess Tournament 2025				Tournament Curro Open Chess Tournament 2025
		date 2025-05-10	rnd 1	type Standard	result 1	date 2025-05-10	rnd 2	type Standard	result 1
		Opponent Sithole, J (Jaden)				Opponent Mathebula, ED (Emmanuel Dzunisani)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	5	Tournament Uplands Chess Tournament 2025				Tournament Penryn 2025
		date 2025-02-08	rnd 5	type Standard	result 1	date 2025-02-22	rnd 4	type Standard	result 1
		Opponent Mkhatshwa, P (Proud)				Opponent Morabe, N (Neo)
2	2	Tournament Curro Open Chess Tournament 2025				Tournament Curro Open Chess Tournament 2025
		date 2025-05-10	rnd 4	type Standard	result 1	date 2025-05-10	rnd 5	type Standard	result 1
		Opponent Ramdhani, A (Aarna)				Opponent Mhlanga, B (Brian)
3	2	Tournament Curro Open Chess Tournament 2025				Tournament Curro Open Chess Tournament 2025
		date 2025-05-10	rnd 1	type Standard	result 1	date 2025-05-10	rnd 2	type Standard	result 1
		Opponent Sithole, J (Jaden)				Opponent Mathebula, ED (Emmanuel Dzunisani)

#	Games	Start				End
1	5	Tournament Uplands Chess Tournament 2025				Tournament Penryn 2025
		date 2025-02-08	rnd 5	type Standard	result 1	date 2025-02-22	rnd 4	type Standard	result 1
		Opponent Mkhatshwa, P (Proud)				Opponent Morabe, N (Neo)
2	2	Tournament Curro Open Chess Tournament 2025				Tournament Curro Open Chess Tournament 2025
		date 2025-05-10	rnd 4	type Standard	result 1	date 2025-05-10	rnd 5	type Standard	result 1
		Opponent Ramdhani, A (Aarna)				Opponent Mhlanga, B (Brian)
3	2	Tournament Curro Open Chess Tournament 2025				Tournament Curro Open Chess Tournament 2025
		date 2025-05-10	rnd 1	type Standard	result 1	date 2025-05-10	rnd 2	type Standard	result 1
		Opponent Sithole, J (Jaden)				Opponent Mathebula, ED (Emmanuel Dzunisani)

No games found.

#	Games	Start				End

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	Lavery ,P (Paddy)	2	0	-425	2	0	-425	0	0	0	0	0	0
1	Lavery ,P (Paddy)	2	1021.3	596.3	2	1019.9	596.3	0	0	0	0	0	0
2	Sithole ,J (Jaden)	1	1	425	1	1	425	0	0	0	0	0	0
2	Sithole ,J (Jaden)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
3	Tebane ,T (Tyrece)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Tebane ,T (Tyrece)	1	1212.5	787.5	1	1214.6	787.5	0	0	0	0	0	0
4	Sambo ,T (Tumelo)	1	1	425	1	1	425	0	0	0	0	0	0
4	Sambo ,T (Tumelo)	1	1103.7	1528.7	1	1071.6	1528.7	0	0	0	0	0	0
5	Morabe ,N (Neo)	1	1	425	1	1	425	0	0	0	0	0	0
5	Morabe ,N (Neo)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
6	Shakwane ,E (Eddie)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Shakwane ,E (Eddie)	1	1124.5	699.5	1	1118.8	699.5	0	0	0	0	0	0
7	Mkhabela ,A (Agile)	1	1	425	1	1	425	0	0	0	0	0	0
7	Mkhabela ,A (Agile)	1	1130.4	1555.4	1	1102.4	1555.4	0	0	0	0	0	0
8	Mathebula ,ED (Emmanuel Dzunisani)	1	1	425	1	1	425	0	0	0	0	0	0
8	Mathebula ,ED (Emmanuel Dzunisani)	1	1295.1	1720.1	1	1300.4	1720.1	0	0	0	0	0	0
9	Khumalo ,S (Shaun)	1	1	425	1	1	425	0	0	0	0	0	0
9	Khumalo ,S (Shaun)	1	1169.6	1594.6	1	1161.4	1594.6	0	0	0	0	0	0
10	Zakadhari ,B (Bailey)	1	1	425	1	1	425	0	0	0	0	0	0
10	Zakadhari ,B (Bailey)	1	1143	1568	1	1142	1568	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

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PLAYER PAGE

Personal

Rottcher, E (Ethan)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms