Chess South Africa Ratings Database

PLAYER PAGE

Personal

Serrao, C (Charles)

Chess SA id

1160301382

FIDE id

Date of birth

2016-12-01 (U10)

Gender

Male

Region

Ekurhuleni (GE)

Citizen

RSA

Titles

Chess SA registered

Yes

Last active game

2025-05-24

Personal details last changed

1900-01-01

Junior GPX Games

18.2

Junior GPX Points

1084.2

Item	Main	Standard	Rapid	Blitz
Rating	1286.4	1266.1	1241.5	1200
Raw rating	1283.4	1263.6	1240.1	1200
Weighted rating	1286.4	1266.1	1241.5	1200
Weighted performance	1077.1	1086.7	1105.2	0
Floor	846.6	804.2	808.6	700
K-factor	36	36	36	36
Min/Max rating change allowed	147.2	151.5	156.6	165.8
Highest rating	1397.7 2024-06-01	1318 2024-09-01	1476.1 2024-06-01	1200 2024-04-01
Highest raw rating	1346.6 2024-07-01	1304.2 2024-10-01	1308.6 2024-07-01	1200 2024-04-01
Highest weighted rating	1346.6 2024-10-01	1304.2 2024-10-01	1308.6 2024-07-01	1200 2024-04-01
Highest weighted performance	1397.7 2024-06-01	1318 2024-09-01	1476.1 2024-06-01	1200 2024-04-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	1	0.9	0.5	0
New rating	1287.3	1267	1242	1200
Analysis
Rating	1286.4	1266.1	1241.5	1200
Raw rating	1283.4	1263.6	1240.1	1200
Weighted rating	1286.4	1266.1	1241.5
Weighted performance	1077.1	1086.7	1105.2
K-factor	36	36	36	36
Floor	846.6	804.2	808.6	700
Max/Min rating change allowed	147.2	151.5	156.6	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	1283.4	1263.6	1240.1	1200
New weighted rating	1287.3	1267	1242	1200
New weighted performance	1076.7	1086.3	1104.7	0
Temp new rating	1287.3	1267	1242	1200
Temp new rating +/-	1	0.9	0.5	0
Final new rating +/-	1	0.9	0.5	0
New rating	1287.3	1267	1242	1200
New K-factor	36	36	36	36
New floor	846.6	804.2	808.6	700

Item	Main	Standard	Rapid
	0	0	0
	19	9	10
	49	29	20
	0	0	0
	0	0	0
	0	0	0
History	68	38	30

Games since
	Main 68	Standard 38		Rapid 30		Blitz 0
Gender	Male
Age group	U10
Region	Ekurhuleni (GE)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	3318		1098		177
Male	2600		863		136
U10	279		105		18
U10 Male	225		90		15
Standard
	RSA		Province		Region
Overall	3366		1201		163
Male	2606		938		126
U10	287		119		14
U10 Male	230		104		12
Rapid
	RSA		Province		Region
Overall	1392		238		78
Male	1105		187		48
U10	131		21		8
U10 Male	103		17		7
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	19	9	47.37	-22.4	1246.1	1223.8
Standard	9	4	44.44	-47.2	1219.3	1172
Rapid	10	5	50	0	1270.3	1270.3
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	68	37	54.41	37.5	1244.6	1282.1
Standard	38	20	52.63	22.4	1250.4	1272.8
Rapid	30	17	56.67	56.7	1237.3	1293.9
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1283.4	1263.6	1240.1	1200
2025-09-01	1283.4	1263.6	1240.1	1200
2025-08-01	1283.4	1263.6	1240.1	1200
2025-07-01	1281.4	1261.9	1239.3	1200
2025-06-01	1277.2	1258.4	1238.3	1200
2025-05-01	1288.1	1280.9	1236.3	1200
2025-04-01	1294.9	1280.9	1250.4	1200
2025-03-01	1289.9	1272.5	1250.4	1200
2025-02-01	1290.5	1272.5	1245.6	1200
2025-01-01	1290.5	1272.5	1245.6	1200
2024-12-01	1324.7	1304.2	1245.6	1200
2024-11-01	1324.7	1304.2	1245.6	1200
2024-10-01	1324.7	1304.2	1245.6	1200
2024-09-01	1294.2	1259.6	1245.6	1200
2024-08-01	1294.2	1259.6	1245.6	1200
2024-07-01	1346.6	1259.6	1308.6	1200
2024-06-01	1285.9	1259.6	1242.4	1200
2024-08-01	1252.9	1224	1242.4	1200
2024-04-01	1194.2	1200	1179.6	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
2023-11-01	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	Ekurhuleni Trials 2025 (G)	2025-05-24	2025-05-24	Standard	Ekurhuleni (GE)	5	4	1	Yes	Analysis
2	Chess Molecules Open Tournament 2025 (D)	2025-04-19	2025-04-19	Rapid	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis
3	Ekurhuleni Chess Open 2025 (E)	2025-03-15	2025-03-15	Standard	Ekurhuleni (GE)	5	5	3	Yes	Analysis
4	Chess Power House Feb Rapid 2025 (C)	2025-02-02	2025-02-02	Rapid	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Ekurhuleni Trials 2025 (G)	2025-05-24	2025-05-24	Standard	Ekurhuleni (GE)	5	4	1	Yes	Analysis
2	Chess Molecules Open Tournament 2025 (D)	2025-04-19	2025-04-19	Rapid	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis
3	Ekurhuleni Chess Open 2025 (E)	2025-03-15	2025-03-15	Standard	Ekurhuleni (GE)	5	5	3	Yes	Analysis
4	Chess Power House Feb Rapid 2025 (C)	2025-02-02	2025-02-02	Rapid	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
5	Gauteng Inter-Region at UJ 2024 (U10 Open)	2024-12-07	2024-12-08	Standard	Johannesburg Metro (GJM)	5	5	1	Yes	Analysis
6	Ekurhuleni Trails 3 2024 (U8+U10)	2024-08-24	2024-08-24	Standard	Ekurhuleni (GE)	5	5	4	Yes	Analysis
7	Ekurhuleni Trails 2 2024 (U8+U10)	2024-07-27	2024-07-27	Standard	Ekurhuleni (GE)	5	4	2	Yes	Analysis
8	Midvaal Winter Classic 13 July 2024 (F)	2024-07-13	2024-07-13	Rapid	Sedibeng (GSV)	7	6	2	Yes	Analysis
9	Chess Molecules Open Chess Tournament 2024 (Grade 0-2)	2024-06-08	2024-06-08	Rapid	Johannesburg Metro (GJM)	5	4	4	Yes	Analysis
10	GoForChess Junior Chess Championships 2024 (Junior)	2024-05-19	2024-05-19	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
11	Chess Power House May Open 2024 (E)	2024-05-25	2024-05-25	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
12	JCC King David Linksfield Rapid 2024 (D)	2024-04-21	2024-04-21	Rapid	Johannesburg Metro (GJM)	5	5	4	Yes	Analysis
13	Ekurhuleni Open 2024 (E)	2024-04-06	2024-04-06	Standard	Ekurhuleni (GE)	5	5	3	Yes	Analysis
14	CPH St Andrew's Rapid 2024 (D)	2024-03-30	2024-03-30	Rapid	Ekurhuleni (GE)	5	5	2	Yes	Analysis

#	Games	Start				End
1	5	Tournament Chess Molecules Open Chess Tournament 2024				Tournament Midvaal Winter Classic 13 July 2024
		date 2024-06-08	rnd 2	type Rapid	result 1	date 2024-07-13	rnd 1	type Rapid	result 1
		Opponent Harris, I (Israel)				Opponent Roder, A (Adam)
2	4	Tournament JCC King David Linksfield Rapid 2024				Tournament GoForChess Junior Chess Championships 2024
		date 2024-04-21	rnd 4	type Rapid	result 1	date 2024-05-19	rnd 2	type Standard	result 1
		Opponent Scop, L (Lexi)				Opponent Berkowitz, D (David)
3	4	Tournament Ekurhuleni Open 2024				Tournament JCC King David Linksfield Rapid 2024
		date 2024-04-06	rnd 4	type Standard	result 0.5	date 2024-04-21	rnd 2	type Rapid	result 1
		Opponent Hingorani, N (Nurvi)				Opponent Du Pisani, M (Malcom)

#	Games	Start				End
1	4	Tournament Ekurhuleni Open 2024				Tournament GoForChess Junior Chess Championships 2024
		date 2024-04-06	rnd 4	type Standard	result 0.5	date 2024-05-19	rnd 2	type Standard	result 1
		Opponent Hingorani, N (Nurvi)				Opponent Berkowitz, D (David)
2	3	Tournament Ekurhuleni Trails 2 2024				Tournament Ekurhuleni Trails 3 2024
		date 2024-07-27	rnd 5	type Standard	result 1	date 2024-08-24	rnd 2	type Standard	result 1
		Opponent Kleijnhans, M (Mila)				Opponent Mmotla, L (Lengoko)
3	2	Tournament Ekurhuleni Trails 3 2024				Tournament Ekurhuleni Trails 3 2024
		date 2024-08-24	rnd 4	type Standard	result 1	date 2024-08-24	rnd 5	type Standard	result 1
		Opponent Diyalani, D (Dhanush)				Opponent Naicker, K (Kahlayo)

#	Games	Start				End
1	7	Tournament JCC King David Linksfield Rapid 2024				Tournament Midvaal Winter Classic 13 July 2024
		date 2024-04-21	rnd 4	type Rapid	result 1	date 2024-07-13	rnd 1	type Rapid	result 1
		Opponent Scop, L (Lexi)				Opponent Roder, A (Adam)
2	3	Tournament Chess Power House Feb Rapid 2025				Tournament Chess Power House Feb Rapid 2025
		date 2025-02-02	rnd 2	type Rapid	result 1	date 2025-02-02	rnd 4	type Rapid	result 1
		Opponent Ngwenya, E (Evelyn)				Opponent Moss, D (Danielle)
3	2	Tournament JCC King David Linksfield Rapid 2024				Tournament JCC King David Linksfield Rapid 2024
		date 2024-04-21	rnd 1	type Rapid	result 1	date 2024-04-21	rnd 2	type Rapid	result 1
		Opponent Scop, E (Emma)				Opponent Du Pisani, M (Malcom)

No games found.

#	Games	Start				End

#	Games	Start				End
1	5	Tournament Chess Molecules Open Chess Tournament 2024				Tournament Midvaal Winter Classic 13 July 2024
		date 2024-06-08	rnd 2	type Rapid	result 1	date 2024-07-13	rnd 1	type Rapid	result 1
		Opponent Harris, I (Israel)				Opponent Roder, A (Adam)
2	4	Tournament JCC King David Linksfield Rapid 2024				Tournament GoForChess Junior Chess Championships 2024
		date 2024-04-21	rnd 4	type Rapid	result 1	date 2024-05-19	rnd 2	type Standard	result 1
		Opponent Scop, L (Lexi)				Opponent Berkowitz, D (David)
3	3	Tournament Chess Power House Feb Rapid 2025				Tournament Chess Power House Feb Rapid 2025
		date 2025-02-02	rnd 2	type Rapid	result 1	date 2025-02-02	rnd 4	type Rapid	result 1
		Opponent Ngwenya, E (Evelyn)				Opponent Moss, D (Danielle)

#	Games	Start				End
1	3	Tournament Ekurhuleni Trails 2 2024				Tournament Ekurhuleni Trails 3 2024
		date 2024-07-27	rnd 5	type Standard	result 1	date 2024-08-24	rnd 2	type Standard	result 1
		Opponent Kleijnhans, M (Mila)				Opponent Mmotla, L (Lengoko)
2	3	Tournament Ekurhuleni Open 2024				Tournament GoForChess Junior Chess Championships 2024
		date 2024-04-06	rnd 5	type Standard	result 1	date 2024-05-19	rnd 2	type Standard	result 1
		Opponent Roets, Z (Zach)				Opponent Berkowitz, D (David)
3	2	Tournament Ekurhuleni Trails 3 2024				Tournament Ekurhuleni Trails 3 2024
		date 2024-08-24	rnd 4	type Standard	result 1	date 2024-08-24	rnd 5	type Standard	result 1
		Opponent Diyalani, D (Dhanush)				Opponent Naicker, K (Kahlayo)

#	Games	Start				End
1	7	Tournament JCC King David Linksfield Rapid 2024				Tournament Midvaal Winter Classic 13 July 2024
		date 2024-04-21	rnd 4	type Rapid	result 1	date 2024-07-13	rnd 1	type Rapid	result 1
		Opponent Scop, L (Lexi)				Opponent Roder, A (Adam)
2	3	Tournament Chess Power House Feb Rapid 2025				Tournament Chess Power House Feb Rapid 2025
		date 2025-02-02	rnd 2	type Rapid	result 1	date 2025-02-02	rnd 4	type Rapid	result 1
		Opponent Ngwenya, E (Evelyn)				Opponent Moss, D (Danielle)
3	2	Tournament JCC King David Linksfield Rapid 2024				Tournament JCC King David Linksfield Rapid 2024
		date 2024-04-21	rnd 1	type Rapid	result 1	date 2024-04-21	rnd 2	type Rapid	result 1
		Opponent Scop, E (Emma)				Opponent Du Pisani, M (Malcom)

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	Gabel Smit ,H (Heinrich)	2	1	0	2	1	0	0	0	0	0	0	0
1	Gabel Smit ,H (Heinrich)	2	1222.4	1222.4	2	1225.9	1222.4	0	0	0	0	0	0
2	Du Pisani ,M (Malcolm)	2	1	0	0	0	0	2	1	0	0	0	0
2	Du Pisani ,M (Malcolm)	2	1273.6	1273.6	0	0	0	2	1211.5	1273.6	0	0	0
3	Kreusch ,S (Sean-Michael)	1	1	425	1	1	425	0	0	0	0	0	0
3	Kreusch ,S (Sean-Michael)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
4	Berkowitz ,D (David)	1	1	425	1	1	425	0	0	0	0	0	0
4	Berkowitz ,D (David)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
5	Goncalves ,E (Emilio)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Goncalves ,E (Emilio)	1	1625.8	1200.8	1	1621.6	1200.8	0	0	0	0	0	0
6	Retief ,L (Luc)	1	1	425	1	1	425	0	0	0	0	0	0
6	Retief ,L (Luc)	1	1146.9	1571.9	1	1141.5	1571.9	0	0	0	0	0	0
7	Dlamini ,P (Philasande)	1	1	425	1	1	425	0	0	0	0	0	0
7	Dlamini ,P (Philasande)	1	1281.7	1706.7	1	1294.4	1706.7	0	0	0	0	0	0
8	Kleijnhans ,M (Mila)	1	1	425	1	1	425	0	0	0	0	0	0
8	Kleijnhans ,M (Mila)	1	1058.4	1483.4	1	1053.8	1483.4	0	0	0	0	0	0
9	Mmotla ,L (Lengoko)	1	1	425	1	1	425	0	0	0	0	0	0
9	Mmotla ,L (Lengoko)	1	1241.8	1666.8	1	1249.2	1666.8	0	0	0	0	0	0
10	Diyalani ,D (Dhanush)	1	1	425	1	1	425	0	0	0	0	0	0
10	Diyalani ,D (Dhanush)	1	1263.1	1688.1	1	1265.6	1688.1	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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PLAYER PAGE

Personal

Serrao, C (Charles)

Ratings

Game statistics

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Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms