Chess South Africa Ratings Database

PLAYER PAGE

Personal

D`Ambrosio, G (Gohan)

Chess SA id

1110154650

FIDE id

Date of birth

2011-09-28 (U16)

Gender

Male

Region

Overberg (WOS)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-03-22

Personal details last changed

1900-01-01

Junior GPX Games

10.5

Junior GPX Points

1073.1

Item	Main	Standard	Rapid	Blitz
Rating	1210.9	1186.8	1196.9	1200
Raw rating	1210.9	1186.2	1196.9	1200
Weighted rating	1198.6	1186.8	1182.6	1200
Weighted performance	1106.2	0	1065.3	0
Floor	716.1	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	163.3	169.1	166.6	165.8
Highest rating	1216.1 2025-03-01	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1216.1 2025-03-01	1200 2019-12-01	1200 2019-12-01	1200 2024-02-01
Highest weighted rating	1216.1 2018-10-01	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1200 2019-12-01	1200 2019-12-01	1200 2019-12-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0.2	0	0
New rating	1210.9	1187	1196.9	1200
Analysis
Rating	1210.9	1186.8	1196.9	1200
Raw rating	1210.9	1186.2	1196.9	1200
Weighted rating	1198.6	1186.8	1182.6
Weighted performance	1106.2	0	1065.3
K-factor	36	36	36	36
Floor	716.1	700	700	700
Max/Min rating change allowed	163.3	169.1	166.6	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	1210.9	1186.2	1196.9	1200
New weighted rating	1200.6	1187	1184.8	1200
New weighted performance	1105.8	0	1064.9	0
Temp new rating	1210.9	1187	1196.9	1200
Temp new rating +/-	0	0.2	0	0
Final new rating +/-	0	0.2	0	0
New rating	1210.9	1187	1196.9	1200
New K-factor	36	36	36	36
New floor	716.1	700	700	700

Item	Main	Standard	Rapid
	0	0	0
	16	5	11
	15	4	11
	11	5	6
	0	0	0
	0	0	0
History	42	14	28

Games since
	Main 31	Standard 9		Rapid 22		Blitz 0
Gender	Male
Age group	U16
Region	Overberg (WOS)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	1646		834		122
Male	1262		619		78
U16	274		138		22
U16 Male	207		100		11
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 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	16	8	50	0	1229.2	1229.2
Standard	5	2.5	50	0	1179.4	1179.4
Rapid	11	5.5	50	0	1251.8	1251.8
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	42	19.5	46.43	-30.4	1228.5	1198.1
Standard	14	6	42.86	-60.7	1242.8	1182.1
Rapid	28	13.5	48.21	-15.2	1221.3	1206.1
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1210.9	1186.2	1196.9	1200
2025-09-01	1210.9	1186.2	1196.9	1200
2025-08-01	1210.9	1186.2	1196.9	1200
2025-07-01	1210.9	1185.9	1196.9	1200
2025-06-01	1210.9	1185.5	1196.9	1200
2025-05-01	1210.9	1185.1	1196.9	1200
2025-04-01	1210.9	1185	1196.9	1200
2025-03-01	1216.1	1194.3	1196.9	1200
2025-02-01	1203.5	1194.3	1189.9	1200
2025-01-01	1203.5	1194.3	1189.9	1200
2024-12-01	1203.5	1194.3	1189.9	1200
2024-11-01	1203.5	1194.3	1189.9	1200
2024-10-01	1203.5	1194.3	1189.9	1200
2024-09-01	1176.9	1194.3	1138.4	1200
2024-08-01	1176.9	1194.3	1138.4	1200
2024-07-01	1153.6	1172.3	1138.4	1200
2024-06-01	1153.6	1172.3	1138.4	1200
2024-08-01	1153.6	1172.3	1138.4	1200
2024-04-01	1153.6	1172.3	1138.4	1200
2024-03-01	1155.1	1172.3	1142	1200
2024-02-01	1155.1	1172.3	1142	1200
2024-01-01	1155.1	1172.3	1142	1200
2023-12-01	1155.1	1172.3	1142	1200
2023-11-01	1155.1	1172.3	1142	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	Overberg Schools - HS Closed 2025 (U15 Boys)	2025-03-22	2025-03-22	Standard	Overberg (WOS)	5	5	2.5	Yes	Analysis
2	Overberg Schools - HS Trials 2025 (U15 Boys)	2025-02-22	2025-02-22	Rapid	Overberg (WOS)	6	6	3.5	Yes	Analysis
3	Overberg Schools & Federation Open 2025 (U15)	2025-02-01	2025-02-01	Rapid	Overberg (WOS)	6	5	2	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Overberg Schools - HS Closed 2025 (U15 Boys)	2025-03-22	2025-03-22	Standard	Overberg (WOS)	5	5	2.5	Yes	Analysis
2	Overberg Schools - HS Trials 2025 (U15 Boys)	2025-02-22	2025-02-22	Rapid	Overberg (WOS)	6	6	3.5	Yes	Analysis
3	Overberg Schools & Federation Open 2025 (U15)	2025-02-01	2025-02-01	Rapid	Overberg (WOS)	6	5	2	Yes	Analysis
4	Kleinmond Chess Club Open 2024 (U14)	2024-09-07	2024-09-07	Rapid	Overberg (WOS)	6	6	4	Yes	Analysis
5	Overberg Schools - Top Schools 2024 (U15 Mixed)	2024-07-27	2024-07-27	Standard	Overberg (WOS)	5	4	2	Yes	Analysis
6	Overberg Schools - PS Trials Region 3 2024 (U13 Boys)	2024-03-02	2024-03-02	Rapid	Overberg (WOS)	5	5	2	Yes	Analysis
7	Gauteng Schools D7 2023 (U13 Boys)	2023-05-20	2023-05-20	Standard	Sedibeng (GSV)	5	5	1.5	Yes	Analysis
8	Hermanus Rapid 2023 (C)	2023-04-22	2023-04-22	Rapid	Overberg (WOS)	6	6	2	Yes	Analysis

#	Games	Start				End
1	3	Tournament Overberg Schools & Federation Open 2025				Tournament Overberg Schools - HS Trials 2025
		date 2025-02-01	rnd 5	type Rapid	result 1	date 2025-02-22	rnd 1	type Rapid	result 1
		Opponent Nieman, S (Shannon)				Opponent De Kock, L (Lucas)
2	2	Tournament Overberg Schools - HS Trials 2025				Tournament Overberg Schools - HS Closed 2025
		date 2025-02-22	rnd 6	type Rapid	result 0.5	date 2025-03-22	rnd 1	type Standard	result 0.5
		Opponent Oliver, J (Joagen)				Opponent Carelsen, C (Colan)
3	2	Tournament Overberg Schools - HS Trials 2025				Tournament Overberg Schools - HS Trials 2025
		date 2025-02-22	rnd 3	type Rapid	result 1	date 2025-02-22	rnd 4	type Rapid	result 1
		Opponent Nel, Z (Zybrand)				Opponent Moyo, A (Aaron)

#	Games	Start				End
1	2	Tournament Overberg Schools - Top Schools 2024				Tournament Overberg Schools - HS Closed 2025
		date 2024-07-27	rnd 5	type Standard	result 1	date 2025-03-22	rnd 1	type Standard	result 0.5
		Opponent Van Deventer, J (Jan Gerik)				Opponent Carelsen, C (Colan)
2	1	Tournament Overberg Schools - HS Closed 2025				Tournament Overberg Schools - HS Closed 2025
		date 2025-03-22	rnd 5	type Standard	result 1	date 2025-03-22	rnd 5	type Standard	result 1
		Opponent Olivier, J (Joagen)				Opponent Olivier, J (Joagen)
3	1	Tournament Overberg Schools - HS Closed 2025				Tournament Overberg Schools - HS Closed 2025
		date 2025-03-22	rnd 3	type Standard	result 1	date 2025-03-22	rnd 3	type Standard	result 1
		Opponent De Vos, K (Kyle)				Opponent De Vos, K (Kyle)

#	Games	Start				End
1	3	Tournament Overberg Schools & Federation Open 2025				Tournament Overberg Schools - HS Trials 2025
		date 2025-02-01	rnd 5	type Rapid	result 1	date 2025-02-22	rnd 1	type Rapid	result 1
		Opponent Nieman, S (Shannon)				Opponent De Kock, L (Lucas)
2	2	Tournament Overberg Schools - HS Trials 2025				Tournament Overberg Schools - HS Trials 2025
		date 2025-02-22	rnd 3	type Rapid	result 1	date 2025-02-22	rnd 4	type Rapid	result 1
		Opponent Nel, Z (Zybrand)				Opponent Moyo, A (Aaron)
3	2	Tournament Kleinmond Chess Club Open 2024				Tournament Kleinmond Chess Club Open 2024
		date 2024-09-07	rnd 5	type Rapid	result 1	date 2024-09-07	rnd 6	type Rapid	result 1
		Opponent Rock, M (Mieke)				Opponent Bebe, C (Chumani)

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament Overberg Schools & Federation Open 2025				Tournament Overberg Schools - HS Trials 2025
		date 2025-02-01	rnd 5	type Rapid	result 1	date 2025-02-22	rnd 1	type Rapid	result 1
		Opponent Nieman, S (Shannon)				Opponent De Kock, L (Lucas)
2	2	Tournament Overberg Schools - HS Trials 2025				Tournament Overberg Schools - HS Trials 2025
		date 2025-02-22	rnd 3	type Rapid	result 1	date 2025-02-22	rnd 4	type Rapid	result 1
		Opponent Nel, Z (Zybrand)				Opponent Moyo, A (Aaron)
3	2	Tournament Kleinmond Chess Club Open 2024				Tournament Kleinmond Chess Club Open 2024
		date 2024-09-07	rnd 5	type Rapid	result 1	date 2024-09-07	rnd 6	type Rapid	result 1
		Opponent Rock, M (Mieke)				Opponent Bebe, C (Chumani)

#	Games	Start				End
1	1	Tournament Overberg Schools - HS Closed 2025				Tournament Overberg Schools - HS Closed 2025
		date 2025-03-22	rnd 5	type Standard	result 1	date 2025-03-22	rnd 5	type Standard	result 1
		Opponent Olivier, J (Joagen)				Opponent Olivier, J (Joagen)
2	1	Tournament Overberg Schools - HS Closed 2025				Tournament Overberg Schools - HS Closed 2025
		date 2025-03-22	rnd 3	type Standard	result 1	date 2025-03-22	rnd 3	type Standard	result 1
		Opponent De Vos, K (Kyle)				Opponent De Vos, K (Kyle)
3	1	Tournament Overberg Schools - Top Schools 2024				Tournament Overberg Schools - Top Schools 2024
		date 2024-07-27	rnd 5	type Standard	result 1	date 2024-07-27	rnd 5	type Standard	result 1
		Opponent Van Deventer, J (Jan Gerik)				Opponent Van Deventer, J (Jan Gerik)

#	Games	Start				End
1	3	Tournament Overberg Schools & Federation Open 2025				Tournament Overberg Schools - HS Trials 2025
		date 2025-02-01	rnd 5	type Rapid	result 1	date 2025-02-22	rnd 1	type Rapid	result 1
		Opponent Nieman, S (Shannon)				Opponent De Kock, L (Lucas)
2	2	Tournament Overberg Schools - HS Trials 2025				Tournament Overberg Schools - HS Trials 2025
		date 2025-02-22	rnd 3	type Rapid	result 1	date 2025-02-22	rnd 4	type Rapid	result 1
		Opponent Nel, Z (Zybrand)				Opponent Moyo, A (Aaron)
3	2	Tournament Kleinmond Chess Club Open 2024				Tournament Kleinmond Chess Club Open 2024
		date 2024-09-07	rnd 5	type Rapid	result 1	date 2024-09-07	rnd 6	type Rapid	result 1
		Opponent Rock, M (Mieke)				Opponent Bebe, C (Chumani)

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	Moyo ,A (Aaron)	2	1	0	1	0	-425	1	1	425	0	0	0
1	Moyo ,A (Aaron)	2	1205.1	1205.1	1	1200	780.1	1	1200	1630.1	0	0	0
2	Olivier ,J (Joagen)	2	1.5	212.5	1	1	425	1	0.5	0	0	0	0
2	Olivier ,J (Joagen)	2	1092.9	1305.4	1	1059.2	1517.9	1	752.4	1092.9	0	0	0
3	Mackenzie ,T (Tayden)	2	0	-425	1	0	-425	1	0	-425	0	0	0
3	Mackenzie ,T (Tayden)	2	1522.2	1097.2	1	1461.7	1097.2	1	1462.1	1097.2	0	0	0
4	Truter ,J (Jake)	2	2	425	0	0	0	2	2	425	0	0	0
4	Truter ,J (Jake)	2	1117.1	1542.1	0	0	0	2	1077.2	1542.1	0	0	0
5	Lusawana ,A (Asonele)	2	0	-425	0	0	0	2	0	-425	0	0	0
5	Lusawana ,A (Asonele)	2	1422.6	997.6	0	0	0	2	1363.6	997.6	0	0	0
6	Rock ,M (Mieke)	2	1	0	0	0	0	2	1	0	0	0	0
6	Rock ,M (Mieke)	2	1163.9	1163.9	0	0	0	2	1206.2	1163.9	0	0	0
7	Mavuso ,P (Prince)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Mavuso ,P (Prince)	1	1297.6	872.6	1	1311	872.6	0	0	0	0	0	0
8	De Jager ,G (Gideon)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	De Jager ,G (Gideon)	1	1383.2	958.2	1	1383.2	958.2	0	0	0	0	0	0
9	Daki ,I (Iviwe)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Daki ,I (Iviwe)	1	1259.1	834.1	1	1237.9	834.1	0	0	0	0	0	0
10	Linde ,M (Morgan)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Linde ,M (Morgan)	1	1364.1	939.1	1	1317.8	939.1	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

D`Ambrosio, G (Gohan)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms