Chess South Africa Ratings Database

PLAYER PAGE

Personal

Adams, C (Chezhaan Ethan)

Chess SA id

1120319672

FIDE id

Date of birth

2012-10-01 (U14)

Gender

Male

Region

Buffalo City (EBC)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-10-18

Personal details last changed

1900-01-01

Junior GPX Games

71.3

Junior GPX Points

1374.5

Item	Main	Standard	Rapid	Blitz
Rating	1619.4	1591.4	1397.9	1198
Raw rating	1573.6	1552.3	1397.9	1193.2
Weighted rating	1293.4	1296.2	1243.9	1198
Weighted performance	1646.8	1591.4	0	0
Floor	1073.6	1052.3	897.9	700
K-factor	32	32	36	36
Min/Max rating change allowed	97.4	100.4	125.1	167.4
Highest rating	1619.4 2025-11-01	1591.4 2025-11-01	1397.9 2025-11-01	1200 2025-06-01
Highest raw rating	1573.6 2025-11-01	1552.3 2025-11-01	1397.9 2025-11-01	1200 2025-06-01
Highest weighted rating	1293.4 2025-11-01	1296.2 2025-11-01	1243.9 2025-11-01	1200 2025-06-01
Highest weighted performance	1646.8 2025-11-01	1591.4 2025-11-01	0 1900-01-01	0 1900-01-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	17.7	-9.4	0	-0.5
New rating	1637.1	1582	1397.9	1197.5
Analysis
Rating	1619.4	1591.4	1397.9	1198
Raw rating	1573.6	1552.3	1397.9	1193.2
Weighted rating	1293.4	1296.2	1243.9
Weighted performance	1646.8	1591.4	0
K-factor	32	32	36	36
Floor	1073.6	1052.3	897.9	700
Max/Min rating change allowed	97.4	100.4	125.1	167.4
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	1573.6	1552.3	1397.9	1193.2
New weighted rating	1319.1	1320	1257.8	1197.5
New weighted performance	1637.1	1582	0	0
Temp new rating	1637.1	1582	1397.9	1197.5
Temp new rating +/-	17.7	-9.4	0	-0.5
Final new rating +/-	17.7	-9.4	0	-0.5
New rating	1637.1	1582	1397.9	1197.5
New K-factor	32	32	36	36
New floor	1073.6	1052.3	897.9	700

Item	Main	Standard	Rapid	Blitz
	0	0	0	0
	91	64	19	8
	0	0	0	0
	0	0	0	0
	0	0	0	0
	0	0	0	0
History	91	64	19	8

Games since
	Main 91	Standard 64		Rapid 19		Blitz 8
Gender	Male
Age group	U14
Region	Buffalo City (EBC)
Province	Eastern Cape (EC)
Main
	RSA		Province		Region
Overall	564		55		21
Male	518		51		20
U14	58		12		4
U14 Male	51		11		4
Standard
	RSA		Province		Region
Overall	650		68		30
Male	579		63		29
U14	82		12		4
U14 Male	67		11		4
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	91	56	61.54	98.1	1382.8	1480.8
Standard	64	39	60.94	93	1389	1482
Rapid	19	15.5	81.58	268.4	1324.4	1592.8
Blitz	8	1.5	18.75	-265.6	1471.2	1205.6
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	91	56	61.54	98.1	1382.8	1480.8
Standard	64	39	60.94	93	1389	1482
Rapid	19	15.5	81.58	268.4	1324.4	1592.8
Blitz	8	1.5	18.75	-265.6	1471.2	1205.6

Date	Main	Standard	Rapid	Blitz
2025-11-01	1573.6	1552.3	1397.9	1193.2
2025-09-30	1495	1503.1	1304.6	1193.2
2025-09-01	1389.1	1406.1	1304.6	1193.2
2025-08-01	1340.5	1364.8	1304.6	1193.2
2025-07-01	1379.6	1381.5	1276.2	1200
2025-06-01	1282.5	1294.5	1200	1200
2025-05-01	1200	1200	1200	1200
2025-04-01	1200	1200	1200	1200
2025-03-01	1200	1200	1200	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	Chess Vikings Trials 2 2025 (C)	2025-10-18	2025-10-18	Standard	Buffalo City (EBC)	5	5	4.5	Yes	Analysis
2	BC Open 2025 (U10-U14)	2025-10-04	2025-10-04	Rapid	Buffalo City (EBC)	7	7	6.5	Yes	Analysis
3	Buffalo City Chess Clubs League 2025 (A)	2025-09-20	2025-09-20	Standard	Buffalo City (EBC)	5	1	0	Yes	Analysis
4	Buffalo City Chess Clubs League 2025 (B)	2025-09-20	2025-09-20	Standard	Buffalo City (EBC)	6	3	3	Yes	Analysis
5	EC Closed 2025 (U14 Boys)	2025-09-06	2025-09-07	Standard	Nelson Mandela Bay (ENM)	6	6	4	Yes	Analysis
6	Buffalo City Chess Junior Closed 2025 (U14 Open)	2025-08-16	2025-08-16	Standard	Buffalo City (EBC)	5	5	3	Yes	Analysis
7	3rd Chess Vikings Open Championship 2025 (B)	2025-08-02	2025-08-02	Standard	Buffalo City (EBC)	5	5	3	Yes	Analysis
8	BC Schools Chess Festival 2025 (U13 Open)	2025-07-26	2025-07-26	Standard	Buffalo City (EBC)	5	3	2	Yes	Analysis
9	Beacon Bay Winter Cup 2025 (B)	2025-07-09	2025-07-09	Rapid	Buffalo City (EBC)	6	6	4	Yes	Analysis
10	Eastern Cape Inter-Regional Individual Chess Championship 2025 (U14 Open)	2025-07-11	2025-07-12	Standard	Amathole (EAL)	6	6	4	Yes	Analysis
11	Eastern Cape Inter-Regional Individual Chess Championship 2025 (U12 Open)	2025-07-11	2025-07-12	Standard	Amathole (EAL)	6	0	0	No	Analysis
12	South African Open 2025 (B)	2025-06-28	2025-07-05	Standard	Johannesburg Metro (GJM)	11	9	2	Yes	Analysis
13	South African Open 2025 (Blitz)	2025-07-02	2025-07-02	Blitz	Johannesburg Metro (GJM)	9	8	1.5	Yes	Analysis
14	Gompo Chess Open 2025 (B)	2025-06-21	2025-06-21	Standard	Buffalo City (EBC)	5	4	3	Yes	Analysis
15	2nd Vikings Classical 2025 (C)	2025-05-24	2025-05-24	Standard	Buffalo City (EBC)	5	5	4	Yes	Analysis
16	Beacon Bay Library June Practice 2025	2025-06-07	2025-06-07	Rapid	Buffalo City (EBC)	6	6	5	Yes	Analysis
17	2025 Buffalo City Chess Trials 3 (U14)	2025-05-10	2025-05-10	Standard	Buffalo City (EBC)	5	5	3	Yes	Analysis
18	EC Open 2025 (U8-U14 Boys)	2025-05-02	2025-05-02	Standard	Buffalo City (EBC)	7	7	3.5	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Chess Vikings Trials 2 2025 (C)	2025-10-18	2025-10-18	Standard	Buffalo City (EBC)	5	5	4.5	Yes	Analysis
2	BC Open 2025 (U10-U14)	2025-10-04	2025-10-04	Rapid	Buffalo City (EBC)	7	7	6.5	Yes	Analysis
3	Buffalo City Chess Clubs League 2025 (A)	2025-09-20	2025-09-20	Standard	Buffalo City (EBC)	5	1	0	Yes	Analysis
4	Buffalo City Chess Clubs League 2025 (B)	2025-09-20	2025-09-20	Standard	Buffalo City (EBC)	6	3	3	Yes	Analysis
5	EC Closed 2025 (U14 Boys)	2025-09-06	2025-09-07	Standard	Nelson Mandela Bay (ENM)	6	6	4	Yes	Analysis
6	Buffalo City Chess Junior Closed 2025 (U14 Open)	2025-08-16	2025-08-16	Standard	Buffalo City (EBC)	5	5	3	Yes	Analysis
7	3rd Chess Vikings Open Championship 2025 (B)	2025-08-02	2025-08-02	Standard	Buffalo City (EBC)	5	5	3	Yes	Analysis
8	BC Schools Chess Festival 2025 (U13 Open)	2025-07-26	2025-07-26	Standard	Buffalo City (EBC)	5	3	2	Yes	Analysis
9	Beacon Bay Winter Cup 2025 (B)	2025-07-09	2025-07-09	Rapid	Buffalo City (EBC)	6	6	4	Yes	Analysis
10	Eastern Cape Inter-Regional Individual Chess Championship 2025 (U14 Open)	2025-07-11	2025-07-12	Standard	Amathole (EAL)	6	6	4	Yes	Analysis
11	Eastern Cape Inter-Regional Individual Chess Championship 2025 (U12 Open)	2025-07-11	2025-07-12	Standard	Amathole (EAL)	6	0	0	No	Analysis
12	South African Open 2025 (B)	2025-06-28	2025-07-05	Standard	Johannesburg Metro (GJM)	11	9	2	Yes	Analysis
13	South African Open 2025 (Blitz)	2025-07-02	2025-07-02	Blitz	Johannesburg Metro (GJM)	9	8	1.5	Yes	Analysis
14	Gompo Chess Open 2025 (B)	2025-06-21	2025-06-21	Standard	Buffalo City (EBC)	5	4	3	Yes	Analysis
15	2nd Vikings Classical 2025 (C)	2025-05-24	2025-05-24	Standard	Buffalo City (EBC)	5	5	4	Yes	Analysis
16	Beacon Bay Library June Practice 2025	2025-06-07	2025-06-07	Rapid	Buffalo City (EBC)	6	6	5	Yes	Analysis
17	2025 Buffalo City Chess Trials 3 (U14)	2025-05-10	2025-05-10	Standard	Buffalo City (EBC)	5	5	3	Yes	Analysis
18	EC Open 2025 (U8-U14 Boys)	2025-05-02	2025-05-02	Standard	Buffalo City (EBC)	7	7	3.5	Yes	Analysis

#	Games	Start				End
1	12	Tournament BC Open 2025				Tournament Chess Vikings Trials 2 2025
		date 2025-10-04	rnd 1	type Rapid	result 1	date 2025-10-18	rnd 5	type Standard	result 0.5
		Opponent Saliwe, S (Siphesihle)				Opponent Weng, J (Jiajia)
2	7	Tournament Buffalo City Chess Junior Closed 2025				Tournament EC Closed 2025
		date 2025-08-16	rnd 3	type Standard	result 1	date 2025-09-06	rnd 4	type Standard	result 0.5
		Opponent Chinyamurindi, A (Anochengeta)				Opponent Fricke, L (Leon)
3	6	Tournament Eastern Cape Inter-Regional Individual Chess Championship 2025				Tournament BC Schools Chess Festival 2025
		date 2025-07-11	rnd 2	type Standard	result 1	date 2025-07-26	rnd 3	type Standard	result 1
		Opponent Kungawo, P (Peter)				Opponent Petzer, J (Jayden)

#	Games	Start				End
1	7	Tournament Buffalo City Chess Junior Closed 2025				Tournament EC Closed 2025
		date 2025-08-16	rnd 3	type Standard	result 1	date 2025-09-06	rnd 4	type Standard	result 0.5
		Opponent Chinyamurindi, A (Anochengeta)				Opponent Fricke, L (Leon)
2	6	Tournament Eastern Cape Inter-Regional Individual Chess Championship 2025				Tournament BC Schools Chess Festival 2025
		date 2025-07-11	rnd 2	type Standard	result 1	date 2025-07-26	rnd 3	type Standard	result 1
		Opponent Kungawo, P (Peter)				Opponent Petzer, J (Jayden)
3	3	Tournament 2nd Vikings Classical 2025				Tournament Gompo Chess Open 2025
		date 2025-05-24	rnd 5	type Standard	result 1	date 2025-06-21	rnd 3	type Standard	result 1
		Opponent Maciki, I (Ibenathi)				Opponent Sidlayi, O (Onako)

#	Games	Start				End
1	3	Tournament Beacon Bay Library June Practice 2025				Tournament Beacon Bay Winter Cup 2025
		date 2025-06-07	rnd 5	type Rapid	result 1	date 2025-07-09	rnd 1	type Rapid	result 1
		Opponent Jikijela, A (Ayana)				Opponent Bokolo, A (Awande)
2	3	Tournament Beacon Bay Library June Practice 2025				Tournament Beacon Bay Library June Practice 2025
		date 2025-06-07	rnd 1	type Rapid	result 1	date 2025-06-07	rnd 3	type Rapid	result 1
		Opponent Samente, A (Anike)				Opponent Dalziel, J (Joshua)
3	2	Tournament Beacon Bay Winter Cup 2025				Tournament Beacon Bay Winter Cup 2025
		date 2025-07-09	rnd 3	type Rapid	result 1	date 2025-07-09	rnd 4	type Rapid	result 1
		Opponent Tayi, M (Milani)				Opponent Kleynhans, R (Rachelle)

#	Games	Start				End
1	2	Tournament South African Open 2025				Tournament South African Open 2025
		date 2025-07-02	rnd 7	type Blitz	result 0.5	date 2025-07-02	rnd 8	type Blitz	result 1
		Opponent Van Den Berg, Z (Zandre)				Opponent Magobongo, E (Emihle)

#	Games	Start				End
1	4	Tournament Beacon Bay Library June Practice 2025				Tournament Gompo Chess Open 2025
		date 2025-06-07	rnd 5	type Rapid	result 1	date 2025-06-21	rnd 3	type Standard	result 1
		Opponent Jikijela, A (Ayana)				Opponent Sidlayi, O (Onako)
2	4	Tournament 2nd Vikings Classical 2025				Tournament Beacon Bay Library June Practice 2025
		date 2025-05-24	rnd 5	type Standard	result 1	date 2025-06-07	rnd 3	type Rapid	result 1
		Opponent Maciki, I (Ibenathi)				Opponent Dalziel, J (Joshua)
3	3	Tournament Buffalo City Chess Junior Closed 2025				Tournament Buffalo City Chess Junior Closed 2025
		date 2025-08-16	rnd 3	type Standard	result 1	date 2025-08-16	rnd 5	type Standard	result 1
		Opponent Chinyamurindi, A (Anochengeta)				Opponent Masoeu, S (Senogo)

#	Games	Start				End
1	3	Tournament Buffalo City Chess Junior Closed 2025				Tournament Buffalo City Chess Junior Closed 2025
		date 2025-08-16	rnd 3	type Standard	result 1	date 2025-08-16	rnd 5	type Standard	result 1
		Opponent Chinyamurindi, A (Anochengeta)				Opponent Masoeu, S (Senogo)
2	3	Tournament Eastern Cape Inter-Regional Individual Chess Championship 2025				Tournament Eastern Cape Inter-Regional Individual Chess Championship 2025
		date 2025-07-11	rnd 2	type Standard	result 1	date 2025-07-12	rnd 4	type Standard	result 1
		Opponent Kungawo, P (Peter)				Opponent George, A (Aaron)
3	3	Tournament 2nd Vikings Classical 2025				Tournament Gompo Chess Open 2025
		date 2025-05-24	rnd 5	type Standard	result 1	date 2025-06-21	rnd 3	type Standard	result 1
		Opponent Maciki, I (Ibenathi)				Opponent Sidlayi, O (Onako)

#	Games	Start				End
1	3	Tournament Beacon Bay Library June Practice 2025				Tournament Beacon Bay Winter Cup 2025
		date 2025-06-07	rnd 5	type Rapid	result 1	date 2025-07-09	rnd 1	type Rapid	result 1
		Opponent Jikijela, A (Ayana)				Opponent Bokolo, A (Awande)
2	3	Tournament Beacon Bay Library June Practice 2025				Tournament Beacon Bay Library June Practice 2025
		date 2025-06-07	rnd 1	type Rapid	result 1	date 2025-06-07	rnd 3	type Rapid	result 1
		Opponent Samente, A (Anike)				Opponent Dalziel, J (Joshua)
3	2	Tournament Beacon Bay Winter Cup 2025				Tournament Beacon Bay Winter Cup 2025
		date 2025-07-09	rnd 3	type Rapid	result 1	date 2025-07-09	rnd 4	type Rapid	result 1
		Opponent Tayi, M (Milani)				Opponent Kleynhans, R (Rachelle)

#	Games	Start				End
1	1	Tournament South African Open 2025				Tournament South African Open 2025
		date 2025-07-02	rnd 8	type Blitz	result 1	date 2025-07-02	rnd 8	type Blitz	result 1
		Opponent Magobongo, E (Emihle)				Opponent Magobongo, E (Emihle)

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	Masoeu ,S (Senogo)	3	2	141.7	2	2	425	1	0	-425	0	0	0
1	Masoeu ,S (Senogo)	3	1576.9	1718.6	2	1574.4	2001.9	1	1353	1151.9	0	0	0
2	Nkompeni ,K (Khayakazi)	3	3	425	2	2	425	1	1	425	0	0	0
2	Nkompeni ,K (Khayakazi)	3	1197.5	1622.5	2	1195.4	1622.5	1	1198.9	1622.5	0	0	0
3	Beukman ,J (Jonah)	2	1	0	2	1	0	0	0	0	0	0	0
3	Beukman ,J (Jonah)	2	1516.8	1516.8	2	1507.6	1516.8	0	0	0	0	0	0
4	Jagers ,N (Noah)	2	1	0	2	1	0	0	0	0	0	0	0
4	Jagers ,N (Noah)	2	1363.2	1363.2	2	1358.9	1363.2	0	0	0	0	0	0
5	Lin ,Y (Yihang)	2	0	-425	2	0	-425	0	0	0	0	0	0
5	Lin ,Y (Yihang)	2	1415.9	990.9	2	1437.2	990.9	0	0	0	0	0	0
6	Fricke ,L (Leon)	2	0.5	-212.5	2	0.5	-212.5	0	0	0	0	0	0
6	Fricke ,L (Leon)	2	1576.8	1364.3	2	1577.6	1364.3	0	0	0	0	0	0
7	Canham ,E (Ethan)	2	0.5	-212.5	2	0.5	-212.5	0	0	0	0	0	0
7	Canham ,E (Ethan)	2	1409.4	1196.9	2	1408.8	1196.9	0	0	0	0	0	0
8	Saliwe ,S (Siphesihle)	2	2	425	1	1	425	1	1	425	0	0	0
8	Saliwe ,S (Siphesihle)	2	1319.8	1744.8	1	1352.2	1744.8	1	1239.1	1744.8	0	0	0
9	Ndwandwa ,L (Longezo)	2	2	425	1	1	425	1	1	425	0	0	0
9	Ndwandwa ,L (Longezo)	2	1636.8	2061.8	1	1638.5	2061.8	1	1376.2	2061.8	0	0	0
10	Magobongo ,E (Emihle)	2	1	0	1	0	-425	0	0	0	1	1	425
10	Magobongo ,E (Emihle)	2	1251.1	1251.1	1	1264.6	826.1	0	0	0	1	1200	1676.1

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Adams, C (Chezhaan Ethan)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms