Chess South Africa Ratings Database

PLAYER PAGE

Personal

Nell, C (Cohan)

Chess SA id

1090130795

FIDE id

Date of birth

2009-08-27 (U18)

Gender

Male

Region

Eden (WEG)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-02-22

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1309.9	1309.5	1200	1200
Raw rating	1309.9	1309.5	1200	1200
Weighted rating	1309	1308.1	1200	1200
Weighted performance	969.3	966.4	0	0
Floor	824.4	829	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	141.8	141.9	165.8	165.8
Highest rating	1324.4 2024-04-01	1329 2024-04-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1324.4 2024-04-01	1329 2024-04-01	1200 2024-02-01	1200 2024-02-01
Highest weighted rating	1324.4 2025-02-01	1329 2024-07-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1289.2 2022-04-01	1290.3 2022-04-01	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1309.9	1309.5	1200	1200
Analysis
Rating	1309.9	1309.5	1200	1200
Raw rating	1309.9	1309.5	1200	1200
Weighted rating	1309	1308.1	1200
Weighted performance	969.3	966.4	0
K-factor	36	36	36	36
Floor	824.4	829	700	700
Max/Min rating change allowed	141.8	141.9	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	1309.9	1309.5	1200	1200
New weighted rating	1309	1308	1200	1200
New weighted performance	962.3	959.4	0	0
Temp new rating	1309.9	1309.5	1200	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1309.9	1309.5	1200	1200
New K-factor	36	36	36	36
New floor	824.4	829	700	700

Item	Main	Standard
	0	0
	4	4
	15	15
	20	20
	21	21
	0	0
History	70	70

Games since
	Main 19	Standard 19		Rapid 0		Blitz 0
Gender	Male
Age group	U18
Region	Eden (WEG)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 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	4	1	25	-212.5	1186.3	973.8
Standard	4	1	25	-212.5	1186.3	973.8
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	70	38.5	55	42.5	1243.4	1285.9
Standard	70	38.5	55	42.5	1243.4	1285.9
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1309.9	1309.5	1200	1200
2025-09-30	1309.9	1309.5	1200	1200
2025-09-01	1309.9	1309.5	1200	1200
2025-08-01	1309.9	1309.5	1200	1200
2025-07-01	1309.9	1309.5	1200	1200
2025-06-01	1309.9	1309.5	1200	1200
2025-05-01	1309.9	1309.5	1200	1200
2025-04-01	1309.9	1309.5	1200	1200
2025-03-01	1306.8	1305.9	1200	1200
2025-02-01	1310.2	1310.1	1200	1200
2025-01-01	1305.6	1302.4	1200	1200
2024-12-01	1305.6	1302.4	1200	1200
2024-11-01	1305.6	1302.4	1200	1200
2024-10-01	1305.6	1302.4	1200	1200
2024-09-01	1305.6	1302.4	1200	1200
2024-08-01	1305.6	1302.4	1200	1200
2024-07-01	1305.6	1302.4	1200	1200
2024-09-01	1305.6	1302.4	1200	1200
2024-05-01	1305.6	1302.4	1200	1200
2024-04-01	1324.4	1329	1200	1200
2024-03-01	1319.3	1325	1200	1200
2024-02-01	1319.3	1325	1200	1200
2024-01-01	1319.3	1325	1200	1200
2023-12-01	1319.3	1325	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	Mossel Bay Schools Trials 2 2025 (U17 Boys)	2025-02-22	2025-02-22	Standard	Eden (WEG)	5	4	1	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Mossel Bay Schools Trials 2 2025 (U17 Boys)	2025-02-22	2025-02-22	Standard	Eden (WEG)	5	4	1	Yes	Analysis
2	Eden Chess Trials 2 2024 (U16)	2024-04-13	2024-04-20	Standard	Eden (WEG)	10	10	5	Yes	Analysis
3	Eden School Chess Trials 1 2024 (U15 Boys)	2024-03-09	2024-03-09	Standard	Eden (WEG)	5	5	3	Yes	Analysis
4	Eden Trials 2+3 2023 (U16)	2023-04-15	2023-05-13	Standard	Eden (WEG)	10	10	6	Yes	Analysis
5	Eden Trails 1 2023 (U15 Boys)	2023-03-11	2023-03-11	Standard	Eden (WEG)	5	5	3	Yes	Analysis
6	Mossel Bay Schools Trials 2 2023 (U15 Boys)	2023-02-18	2023-02-18	Standard	Eden (WEG)	5	5	3	Yes	Analysis
7	Eden Proewe 2 2022 (O13 Seuns)	2022-04-09	2022-04-09	Standard	Eden (WEG)	5	5	3	Yes	Analysis
8	Eden Open 2022 (B)	2022-04-22	2022-04-24	Standard	Eden (WEG)	6	6	2.5	Yes	Analysis
9	Eden Proewe 1 2022 (O13 Seuns)	2022-03-12	2022-03-12	Standard	Eden (WEG)	5	5	3	Yes	Analysis
10	Mosselbaai Skole Skaak Proewe 1 2022 (U13 Boys)	2022-01-29	2022-01-29	Standard	Eden (WEG)	5	5	4	Yes	Analysis
11	Mossel Bay Trials 2 2020 (U11)	2020-02-15	2020-02-15	Standard	Eden (WEG)	5	5	3	Yes	Analysis
12	Mossel Bay Trials 1 2020 (U11)	2020-02-01	2020-02-01	Standard	Eden (WEG)	5	5	2	Yes	Analysis

#	Games	Start				End
1	5	Tournament Mossel Bay Schools Trials 2 2023				Tournament Eden Trails 1 2023
		date 2023-02-18	rnd 3	type Standard	result 1	date 2023-03-11	rnd 2	type Standard	result 1
		Opponent Rugadza, S (Sidie)				Opponent Sauls, S (Shalmino)
2	5	Tournament Mosselbaai Skole Skaak Proewe 1 2022				Tournament Eden Proewe 1 2022
		date 2022-01-29	rnd 2	type Standard	result 1	date 2022-03-12	rnd 1	type Standard	result 1
		Opponent Prins, H (Haydon)				Opponent Langa, J (Jabin)
3	4	Tournament Eden Trials 2+3 2023				Tournament Eden School Chess Trials 1 2024
		date 2023-05-13	rnd 9	type Standard	result 1	date 2024-03-09	rnd 2	type Standard	result 1
		Opponent Lingerveldt, S (Sunelda)				Opponent Nokana, M (Masixole)

#	Games	Start				End
1	5	Tournament Mossel Bay Schools Trials 2 2023				Tournament Eden Trails 1 2023
		date 2023-02-18	rnd 3	type Standard	result 1	date 2023-03-11	rnd 2	type Standard	result 1
		Opponent Rugadza, S (Sidie)				Opponent Sauls, S (Shalmino)
2	5	Tournament Mosselbaai Skole Skaak Proewe 1 2022				Tournament Eden Proewe 1 2022
		date 2022-01-29	rnd 2	type Standard	result 1	date 2022-03-12	rnd 1	type Standard	result 1
		Opponent Prins, H (Haydon)				Opponent Langa, J (Jabin)
3	4	Tournament Eden Trials 2+3 2023				Tournament Eden School Chess Trials 1 2024
		date 2023-05-13	rnd 9	type Standard	result 1	date 2024-03-09	rnd 2	type Standard	result 1
		Opponent Lingerveldt, S (Sunelda)				Opponent Nokana, M (Masixole)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	5	Tournament Mossel Bay Schools Trials 2 2023				Tournament Eden Trails 1 2023
		date 2023-02-18	rnd 3	type Standard	result 1	date 2023-03-11	rnd 2	type Standard	result 1
		Opponent Rugadza, S (Sidie)				Opponent Sauls, S (Shalmino)
2	5	Tournament Mosselbaai Skole Skaak Proewe 1 2022				Tournament Eden Proewe 1 2022
		date 2022-01-29	rnd 2	type Standard	result 1	date 2022-03-12	rnd 1	type Standard	result 1
		Opponent Prins, H (Haydon)				Opponent Langa, J (Jabin)
3	4	Tournament Eden Trials 2+3 2023				Tournament Eden School Chess Trials 1 2024
		date 2023-05-13	rnd 9	type Standard	result 1	date 2024-03-09	rnd 2	type Standard	result 1
		Opponent Lingerveldt, S (Sunelda)				Opponent Nokana, M (Masixole)

#	Games	Start				End
1	5	Tournament Mossel Bay Schools Trials 2 2023				Tournament Eden Trails 1 2023
		date 2023-02-18	rnd 3	type Standard	result 1	date 2023-03-11	rnd 2	type Standard	result 1
		Opponent Rugadza, S (Sidie)				Opponent Sauls, S (Shalmino)
2	5	Tournament Mosselbaai Skole Skaak Proewe 1 2022				Tournament Eden Proewe 1 2022
		date 2022-01-29	rnd 2	type Standard	result 1	date 2022-03-12	rnd 1	type Standard	result 1
		Opponent Prins, H (Haydon)				Opponent Langa, J (Jabin)
3	4	Tournament Eden Trials 2+3 2023				Tournament Eden School Chess Trials 1 2024
		date 2023-05-13	rnd 9	type Standard	result 1	date 2024-03-09	rnd 2	type Standard	result 1
		Opponent Lingerveldt, S (Sunelda)				Opponent Nokana, M (Masixole)

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	Claassen ,M (Mervin)	4	0	-425	4	0	-425	0	0	0	0	0	0
1	Claassen ,M (Mervin)	4	1304	879	4	1308.9	879	0	0	0	0	0	0
2	Herman ,L (Leigh-Ray)	3	0	-425	3	0	-425	0	0	0	0	0	0
2	Herman ,L (Leigh-Ray)	3	1442	1017	3	1443.6	1017	0	0	0	0	0	0
3	Rugadza ,S (Sidie)	2	2	425	2	2	425	0	0	0	0	0	0
3	Rugadza ,S (Sidie)	2	1196.2	1621.2	2	1196.3	1621.2	0	0	0	0	0	0
4	Langa ,J (Jabin)	2	2	425	2	2	425	0	0	0	0	0	0
4	Langa ,J (Jabin)	2	1147.7	1572.7	2	1137.4	1572.7	0	0	0	0	0	0
5	Lotteriet ,J (Jonathan)	2	0	-425	2	0	-425	0	0	0	0	0	0
5	Lotteriet ,J (Jonathan)	2	1233.7	808.7	2	1227.9	808.7	0	0	0	0	0	0
6	Stalmeester ,E (Edward)	2	2	425	2	2	425	0	0	0	0	0	0
6	Stalmeester ,E (Edward)	2	1176.8	1601.8	2	1172.8	1601.8	0	0	0	0	0	0
7	Daniels ,C (Colsten)	2	1	0	2	1	0	0	0	0	0	0	0
7	Daniels ,C (Colsten)	2	1200	1200	2	1200	1200	0	0	0	0	0	0
8	Van Wyk ,L (Laureano)	2	1	0	2	1	0	0	0	0	0	0	0
8	Van Wyk ,L (Laureano)	2	1204.6	1204.6	2	1205.1	1204.6	0	0	0	0	0	0
9	Harris ,E (Emerique)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Harris ,E (Emerique)	1	1302.6	877.6	1	1325	877.6	0	0	0	0	0	0
10	Goliath ,J (Joy-Faith)	1	1	425	1	1	425	0	0	0	0	0	0
10	Goliath ,J (Joy-Faith)	1	1134.9	1559.9	1	1119.6	1559.9	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Nell, C (Cohan)

Ratings

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Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms