Chess South Africa Ratings Database

PLAYER PAGE

Personal

Chen, D (David)

Chess SA id

1150313428

FIDE id

Date of birth

2015-04-14 (U12)

Gender

Male

Region

Cape Town (WCT)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-10-11

Personal details last changed

1900-01-01

Junior GPX Games

13.5

Junior GPX Points

1088.4

Item	Main	Standard	Rapid	Blitz
Rating	1235.4	1225	1209.6	1200
Raw rating	1235.4	1225	1209.6	1200
Weighted rating	1210.1	1213.7	1191.4	1200
Weighted performance	0	0	0	0
Floor	735.4	725	709.6	700
K-factor	36	36	36	36
Min/Max rating change allowed	157.7	160	163.6	165.8
Highest rating	1235.4 2025-11-01	1225 2025-04-01	1209.6 2025-11-01	1200 2024-11-01
Highest raw rating	1235.4 2025-11-01	1225 2025-04-01	1209.6 2025-11-01	1200 2024-11-01
Highest weighted rating	1222.2 2024-11-01	1209.2 2025-08-01	1200 2024-11-01	1200 2024-11-01
Highest weighted performance	1200 2024-11-01	1200 2024-11-01	1200 2024-11-01	1200 2024-11-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1235.4	1225	1209.6	1200
Analysis
Rating	1235.4	1225	1209.6	1200
Raw rating	1235.4	1225	1209.6	1200
Weighted rating	1210.1	1213.7	1191.4
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	735.4	725	709.6	700
Max/Min rating change allowed	157.7	160	163.6	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	1235.4	1225	1209.6	1200
New weighted rating	1212.5	1215	1192.7	1200
New weighted performance	0	0	0	0
Temp new rating	1235.4	1225	1209.6	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1235.4	1225	1209.6	1200
New K-factor	36	36	36	36
New floor	735.4	725	709.6	700

Item	Main	Standard	Rapid
	0	0	0
	17	6	11
	5	0	5
	0	0	0
	0	0	0
	0	0	0
History	22	6	16

Games since
	Main 22	Standard 6		Rapid 16		Blitz 0
Gender	Male
Age group	U12
Region	Cape Town (WCT)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U12	-1		-1		-1
U12 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U12	-1		-1		-1
U12 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U12	-1		-1		-1
U12 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U12	-1		-1		-1
U12 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	17	7	41.18	-75	1320.9	1245.9
Standard	6	3	50	0	1325.8	1325.8
Rapid	11	4	36.36	-115.9	1318.3	1202.4
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	22	8	36.36	-115.9	1305.8	1189.9
Standard	6	3	50	0	1325.8	1325.8
Rapid	16	5	31.25	-159.4	1298.3	1138.9
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1235.4	1225	1209.6	1200
2025-09-30	1222.2	1225	1191.3	1200
2025-09-01	1222.2	1225	1191.3	1200
2025-08-01	1222.2	1225	1191.3	1200
2025-07-01	1222.2	1225	1191.3	1200
2025-06-01	1222.2	1225	1191.3	1200
2025-05-01	1222.2	1225	1191.3	1200
2025-04-01	1222.2	1225	1191.3	1200
2025-03-01	1194.9	1200	1191.3	1200
2025-02-01	1192.4	1200	1187.5	1200
2025-01-01	1172.4	1200	1152.8	1200
2024-12-01	1172.4	1200	1152.8	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	UCT Open Chess Championship 2025 (U10)	2025-10-11	2025-10-11	Rapid	Cape Town (WCT)	6	6	3	Yes	Analysis
2	Cape Town Open Chess Festival 2025 (U10)	2025-03-22	2025-03-23	Standard	Cape Town (WCT)	6	6	3	Yes	Analysis
3	2025 Kraaifontein Open Chess Championships (U12 Rapid)	2025-01-04	2025-01-04	Rapid	Cape Town (WCT)	6	5	1	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	UCT Open Chess Championship 2025 (U10)	2025-10-11	2025-10-11	Rapid	Cape Town (WCT)	6	6	3	Yes	Analysis
2	Cape Town Open Chess Festival 2025 (U10)	2025-03-22	2025-03-23	Standard	Cape Town (WCT)	6	6	3	Yes	Analysis
3	2025 Kraaifontein Open Chess Championships (U12 Rapid)	2025-01-04	2025-01-04	Rapid	Cape Town (WCT)	6	5	1	Yes	Analysis
4	Chess Challengers Championship 2024 (U10)	2024-11-23	2024-11-23	Rapid	Cape Town (WCT)	6	5	1	Yes	Analysis

#	Games	Start				End
1	3	Tournament Cape Town Open Chess Festival 2025				Tournament Cape Town Open Chess Festival 2025
		date 2025-03-22	rnd 2	type Standard	result 1	date 2025-03-23	rnd 4	type Standard	result 1
		Opponent Strydom, H (Hanru)				Opponent Ntobie, N (Naeems)
2	2	Tournament UCT Open Chess Championship 2025				Tournament UCT Open Chess Championship 2025
		date 2025-10-11	rnd 4	type Rapid	result 1	date 2025-10-11	rnd 5	type Rapid	result 1
		Opponent Weyers, F (Friedrich)				Opponent Stein, J (Jack)
3	1	Tournament UCT Open Chess Championship 2025				Tournament UCT Open Chess Championship 2025
		date 2025-10-11	rnd 2	type Rapid	result 1	date 2025-10-11	rnd 2	type Rapid	result 1
		Opponent Dhorat, A (Abdur Rahman)				Opponent Dhorat, A (Abdur Rahman)

#	Games	Start				End
1	3	Tournament Cape Town Open Chess Festival 2025				Tournament Cape Town Open Chess Festival 2025
		date 2025-03-22	rnd 2	type Standard	result 1	date 2025-03-23	rnd 4	type Standard	result 1
		Opponent Strydom, H (Hanru)				Opponent Ntobie, N (Naeems)

#	Games	Start				End
1	1	Tournament 2025 Kraaifontein Open Chess Championships				Tournament 2025 Kraaifontein Open Chess Championships
		date 2025-01-04	rnd 2	type Rapid	result 1	date 2025-01-04	rnd 2	type Rapid	result 1
		Opponent Small, W (Wyatt)				Opponent Small, W (Wyatt)
2	1	Tournament Chess Challengers Championship 2024				Tournament Chess Challengers Championship 2024
		date 2024-11-23	rnd 2	type Rapid	result 1	date 2024-11-23	rnd 2	type Rapid	result 1
		Opponent Gwadiso, T (Thapelo)				Opponent Gwadiso, T (Thapelo)

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament Cape Town Open Chess Festival 2025				Tournament Cape Town Open Chess Festival 2025
		date 2025-03-22	rnd 2	type Standard	result 1	date 2025-03-23	rnd 4	type Standard	result 1
		Opponent Strydom, H (Hanru)				Opponent Ntobie, N (Naeems)
2	1	Tournament 2025 Kraaifontein Open Chess Championships				Tournament 2025 Kraaifontein Open Chess Championships
		date 2025-01-04	rnd 2	type Rapid	result 1	date 2025-01-04	rnd 2	type Rapid	result 1
		Opponent Small, W (Wyatt)				Opponent Small, W (Wyatt)
3	1	Tournament Chess Challengers Championship 2024				Tournament Chess Challengers Championship 2024
		date 2024-11-23	rnd 2	type Rapid	result 1	date 2024-11-23	rnd 2	type Rapid	result 1
		Opponent Gwadiso, T (Thapelo)				Opponent Gwadiso, T (Thapelo)

#	Games	Start				End
1	3	Tournament Cape Town Open Chess Festival 2025				Tournament Cape Town Open Chess Festival 2025
		date 2025-03-22	rnd 2	type Standard	result 1	date 2025-03-23	rnd 4	type Standard	result 1
		Opponent Strydom, H (Hanru)				Opponent Ntobie, N (Naeems)

#	Games	Start				End
1	1	Tournament 2025 Kraaifontein Open Chess Championships				Tournament 2025 Kraaifontein Open Chess Championships
		date 2025-01-04	rnd 2	type Rapid	result 1	date 2025-01-04	rnd 2	type Rapid	result 1
		Opponent Small, W (Wyatt)				Opponent Small, W (Wyatt)
2	1	Tournament Chess Challengers Championship 2024				Tournament Chess Challengers Championship 2024
		date 2024-11-23	rnd 2	type Rapid	result 1	date 2024-11-23	rnd 2	type Rapid	result 1
		Opponent Gwadiso, T (Thapelo)				Opponent Gwadiso, T (Thapelo)

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	Ramonyaluoe ,M (Madalitso)	2	0	-425	1	0	-425	1	0	-425	0	0	0
1	Ramonyaluoe ,M (Madalitso)	2	1402.2	977.2	1	1387.5	977.2	1	1373	977.2	0	0	0
2	Zhang ,M (Ming Xuan Jesse)	2	0	-425	0	0	0	2	0	-425	0	0	0
2	Zhang ,M (Ming Xuan Jesse)	2	1423.9	998.9	0	0	0	2	1409.2	998.9	0	0	0
3	Strydom ,H (Hanru)	1	1	425	1	1	425	0	0	0	0	0	0
3	Strydom ,H (Hanru)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
4	Ntobie ,N (Naeems)	1	1	425	1	1	425	0	0	0	0	0	0
4	Ntobie ,N (Naeems)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
5	Marais ,A (Alexander)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Marais ,A (Alexander)	1	1478.2	1053.2	1	1434.8	1053.2	0	0	0	0	0	0
6	Akemdien ,A (Alex)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Akemdien ,A (Alex)	1	1365	940	1	1341.4	940	0	0	0	0	0	0
7	Mzizana ,U (Ulungile)	1	1	425	1	1	425	0	0	0	0	0	0
7	Mzizana ,U (Ulungile)	1	1294.8	1719.8	1	1233.4	1719.8	0	0	0	0	0	0
8	Smith ,S (Sophia)	1	0	-425	0	0	0	1	0	-425	0	0	0
8	Smith ,S (Sophia)	1	1402.5	977.5	0	0	0	1	1287.1	977.5	0	0	0
9	Small ,W (Wyatt)	1	1	425	0	0	0	1	1	425	0	0	0
9	Small ,W (Wyatt)	1	1273.5	1698.5	0	0	0	1	1285	1698.5	0	0	0
10	Stein ,J (Jack)	1	1	425	0	0	0	1	1	425	0	0	0
10	Stein ,J (Jack)	1	1293.1	1718.1	0	0	0	1	1297.4	1718.1	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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PLAYER PAGE

Personal

Chen, D (David)

Ratings

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Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms