Chess South Africa Ratings Database

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Personal

Arendse, H (Haygen)

Chess SA id

1140139136

FIDE id

Date of birth

2014-12-27 (U12)

Gender

Male

Region

West Coast (WCU)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-09-07

Personal details last changed

1900-01-01

Junior GPX Games

25.3

Junior GPX Points

1080.2

Item	Main	Standard	Rapid	Blitz
Rating	1218.5	1198.1	1311.8	1200
Raw rating	1177.9	1146.6	1311.8	1200
Weighted rating	1218.5	1198.1	1287.9	1200
Weighted performance	1057	0	1258.4	0
Floor	761.6	715.1	847.9	700
K-factor	36	36	36	36
Min/Max rating change allowed	171.1	178.9	141.4	165.8
Highest rating	1261.6 2025-04-01	1215.1 2025-04-01	1347.9 2025-08-01	1200 2018-10-01
Highest raw rating	1261.6 2025-04-01	1215.1 2025-04-01	1347.9 2025-08-01	1200 2024-02-01
Highest weighted rating	1221.3 2025-09-01	1215.1 2025-05-05	1284.1 2025-09-01	1200 2018-10-01
Highest weighted performance	1247.1 2025-08-01	1200 2024-02-01	1311 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	-2.8	-4.2	0	0
New rating	1215.7	1193.8	1311.8	1200
Analysis
Rating	1218.5	1198.1	1311.8	1200
Raw rating	1177.9	1146.6	1311.8	1200
Weighted rating	1218.5	1198.1	1287.9
Weighted performance	1057	0	1258.4
K-factor	36	36	36	36
Floor	761.6	715.1	847.9	700
Max/Min rating change allowed	171.1	178.9	141.4	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	1177.9	1146.6	1311.8	1200
New weighted rating	1215.7	1193.8	1291.4	1200
New weighted performance	1056.6	0	1257.9	0
Temp new rating	1215.7	1193.8	1311.8	1200
Temp new rating +/-	-2.8	-4.2	0	0
Final new rating +/-	-2.8	-4.2	0	0
New rating	1215.7	1193.8	1311.8	1200
New K-factor	36	36	36	36
New floor	761.6	715.1	847.9	700

Item	Main	Standard	Rapid
	0	0	0
	31	17	14
	19	0	19
	24	0	24
	14	0	14
	0	0	0
History	88	17	71

Games since
	Main 50	Standard 17		Rapid 33		Blitz 0
Gender	Male
Age group	U12
Region	West Coast (WCU)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	3897		1295		144
Male	2956		913		97
U12	645		234		30
U12 Male	443		150		17
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	977		504		115
Male	801		405		89
U12	158		96		20
U12 Male	114		68		11
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	31	13	41.94	-68.5	1289.1	1220.5
Standard	17	4.5	26.47	-200	1312.1	1112.1
Rapid	14	8.5	60.71	91.1	1261.1	1352.1
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	88	42	47.73	-19.3	1230.1	1210.8
Standard	17	4.5	26.47	-200	1312.1	1112.1
Rapid	71	37.5	52.82	23.9	1210.4	1234.4
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1177.9	1146.6	1311.8	1200
2025-09-01	1222.2	1202.4	1311.8	1200
2025-08-01	1239.7	1202.4	1347.9	1200
2025-07-01	1218.1	1202.1	1325.5	1200
2025-06-01	1217.4	1199.6	1325.5	1200
2025-05-01	1261.6	1215.1	1325.5	1200
2025-04-01	1261.6	1215.1	1325.5	1200
2025-03-01	1255.7	1200	1325.5	1200
2025-02-01	1213.4	1200	1255.6	1200
2025-01-01	1213.4	1200	1255.6	1200
2024-12-01	1213.4	1200	1255.6	1200
2024-11-01	1199.9	1200	1235.8	1200
2024-10-01	1199.9	1200	1235.8	1200
2024-09-01	1199.9	1200	1235.8	1200
2024-08-01	1199.9	1200	1235.8	1200
2024-07-01	1199.9	1200	1235.8	1200
2024-06-01	1199.9	1200	1235.8	1200
2024-08-01	1209	1200	1247.3	1200
2024-04-01	1209	1200	1247.3	1200
2024-03-01	1223	1200	1271.4	1200
2024-02-01	1192.1	1200	1221.7	1200
2024-01-01	1192.1	1200	1221.7	1200
2023-12-01	1192.1	1200	1221.7	1200
2023-11-01	1192.1	1200	1221.7	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	Western Cape Schools - Top Schools 2025 (U11)	2025-09-06	2025-09-07	Standard	Overberg (WOS)	6	5	0	Yes	Analysis
2	Pedro Booyse Top Schools 2025 (U11)	2025-08-23	2025-08-23	Rapid	West Coast (WCU)	5	4	1	Yes	Analysis
3	Upper West Coast Top Schools 2025 (U11)	2025-06-14	2025-06-14	Rapid	West Coast (WCU)	5	5	3	Yes	Analysis
4	Western Cape Schools Individual Championship 2025 (U11 Boys)	2025-05-17	2025-05-18	Standard	Cape Winelands (WCW)	6	6	1	Yes	Analysis
5	West Coast Schools Chess Prestige 2025 (U11 Boys)	2025-03-08	2025-03-08	Standard	West Coast (WCU)	6	6	3.5	Yes	Analysis
6	Upper West Coast Presrige 2025 (U11 Boys)	2025-02-22	2025-02-22	Rapid	West Coast (WCU)	5	5	4.5	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Western Cape Schools - Top Schools 2025 (U11)	2025-09-06	2025-09-07	Standard	Overberg (WOS)	6	5	0	Yes	Analysis
2	Pedro Booyse Top Schools 2025 (U11)	2025-08-23	2025-08-23	Rapid	West Coast (WCU)	5	4	1	Yes	Analysis
3	Upper West Coast Top Schools 2025 (U11)	2025-06-14	2025-06-14	Rapid	West Coast (WCU)	5	5	3	Yes	Analysis
4	Western Cape Schools Individual Championship 2025 (U11 Boys)	2025-05-17	2025-05-18	Standard	Cape Winelands (WCW)	6	6	1	Yes	Analysis
5	West Coast Schools Chess Prestige 2025 (U11 Boys)	2025-03-08	2025-03-08	Standard	West Coast (WCU)	6	6	3.5	Yes	Analysis
6	Upper West Coast Presrige 2025 (U11 Boys)	2025-02-22	2025-02-22	Rapid	West Coast (WCU)	5	5	4.5	Yes	Analysis
7	West Coast Grand Challange League 2024 (PS Development)	2024-10-26	2024-10-26	Rapid	West Coast (WCU)	5	4	3	Yes	Analysis
8	Bo-Weskus Skole Skaak Top Skole 2024 (O9+O11)	2024-05-11	2024-05-11	Rapid	West Coast (WCU)	5	5	2	Yes	Analysis
9	West Coast Schools Chess Prestige Championships 2024 (U11 Boys)	2024-03-09	2024-03-09	Rapid	West Coast (WCU)	5	5	2	Yes	Analysis
10	Bo-Weskus Skole Prestige 2024 (O11 Seuns)	2024-02-10	2024-02-10	Rapid	West Coast (WCU)	5	5	4	Yes	Analysis
11	Pedro Booyse Top Schools Round 2 2023 (U7+U9)	2023-08-22	2023-08-22	Rapid	West Coast (WCU)	5	4	1.5	Yes	Analysis
12	Pedro Booyse Top Schools 2023 (U7+U9)	2023-07-29	2023-07-29	Rapid	West Coast (WCU)	5	5	2	Yes	Analysis
13	Upper West Coast Top Schools Championship 2023 (U7-U11)	2023-06-10	2023-06-10	Rapid	West Coast (WCU)	5	5	2	Yes	Analysis
14	West Coast Schools Development Championships 2023 (U9 Boys)	2023-04-22	2023-04-22	Rapid	West Coast (WCU)	5	5	4	Yes	Analysis
15	Bo-Weskus Skole Prestige 2023 (O9 Seuns)	2023-03-04	2023-03-04	Rapid	West Coast (WCU)	5	5	3.5	Yes	Analysis
16	West Coast Schools Chess Grand Challenge 2022 (PS Development)	2022-10-29	2022-10-29	Rapid	West Coast (WCU)	5	5	2.5	Yes	Analysis
17	Bo-Weskus Top Skole 2022 (O9)	2022-06-11	2022-06-11	Rapid	West Coast (WCU)	5	4	1	Yes	Analysis
18	Bo Weskus Skole Skaak Prestige (O9 Seuns)	2022-03-19	2022-03-19	Rapid	West Coast (WCU)	5	5	1.5	Yes	Analysis

#	Games	Start				End
1	12	Tournament West Coast Grand Challange League 2024				Tournament West Coast Schools Chess Prestige 2025
		date 2024-10-26	rnd 2	type Rapid	result 1	date 2025-03-08	rnd 4	type Standard	result 0.5
		Opponent Solomons, R (Rubinho)				Opponent Pietersen, D (Dezario)
2	6	Tournament West Coast Schools Chess Grand Challenge 2022				Tournament Bo-Weskus Skole Prestige 2023
		date 2022-10-29	rnd 4	type Rapid	result 0.5	date 2023-03-04	rnd 4	type Rapid	result 1
		Opponent Smith, C (Cody)				Opponent Bester, N (Neyma)
3	5	Tournament West Coast Schools Chess Prestige Championships 2024				Tournament Bo-Weskus Skole Skaak Top Skole 2024
		date 2024-03-09	rnd 3	type Rapid	result 1	date 2024-05-11	rnd 2	type Rapid	result 1
		Opponent Van Der Westhuizen, E (Enzio)				Opponent Johnson, C (Christiano)

#	Games	Start				End
1	4	Tournament West Coast Schools Chess Prestige 2025				Tournament West Coast Schools Chess Prestige 2025
		date 2025-03-08	rnd 1	type Standard	result 1	date 2025-03-08	rnd 4	type Standard	result 0.5
		Opponent Khoza, L (Lwandle)				Opponent Pietersen, D (Dezario)
2	1	Tournament Western Cape Schools Individual Championship 2025				Tournament Western Cape Schools Individual Championship 2025
		date 2025-05-17	rnd 3	type Standard	result 1	date 2025-05-17	rnd 3	type Standard	result 1
		Opponent Claassen, X (Xaviano)				Opponent Claassen, X (Xaviano)

#	Games	Start				End
1	9	Tournament West Coast Grand Challange League 2024				Tournament Upper West Coast Top Schools 2025
		date 2024-10-26	rnd 2	type Rapid	result 1	date 2025-06-14	rnd 1	type Rapid	result 1
		Opponent Solomons, R (Rubinho)				Opponent Slimmert, E (Eadino)
2	6	Tournament West Coast Schools Chess Grand Challenge 2022				Tournament Bo-Weskus Skole Prestige 2023
		date 2022-10-29	rnd 4	type Rapid	result 0.5	date 2023-03-04	rnd 4	type Rapid	result 1
		Opponent Smith, C (Cody)				Opponent Bester, N (Neyma)
3	5	Tournament West Coast Schools Chess Prestige Championships 2024				Tournament Bo-Weskus Skole Skaak Top Skole 2024
		date 2024-03-09	rnd 3	type Rapid	result 1	date 2024-05-11	rnd 2	type Rapid	result 1
		Opponent Van Der Westhuizen, E (Enzio)				Opponent Johnson, C (Christiano)

No games found.

#	Games	Start				End

#	Games	Start				End
1	6	Tournament Upper West Coast Presrige 2025				Tournament West Coast Schools Chess Prestige 2025
		date 2025-02-22	rnd 3	type Rapid	result 1	date 2025-03-08	rnd 3	type Standard	result 1
		Opponent Joseph, G (Granville)				Opponent Du Toit, R (Ruvay)
2	4	Tournament West Coast Grand Challange League 2024				Tournament Upper West Coast Presrige 2025
		date 2024-10-26	rnd 2	type Rapid	result 1	date 2025-02-22	rnd 1	type Rapid	result 1
		Opponent Solomons, R (Rubinho)				Opponent Isaks, D (Daniell)
3	3	Tournament Bo-Weskus Skole Prestige 2024				Tournament Bo-Weskus Skole Prestige 2024
		date 2024-02-10	rnd 3	type Rapid	result 1	date 2024-02-10	rnd 5	type Rapid	result 1
		Opponent De Bruin, A (Antonio)				Opponent Joseph, G (Granville)

#	Games	Start				End
1	3	Tournament West Coast Schools Chess Prestige 2025				Tournament West Coast Schools Chess Prestige 2025
		date 2025-03-08	rnd 1	type Standard	result 1	date 2025-03-08	rnd 3	type Standard	result 1
		Opponent Khoza, L (Lwandle)				Opponent Du Toit, R (Ruvay)
2	1	Tournament Western Cape Schools Individual Championship 2025				Tournament Western Cape Schools Individual Championship 2025
		date 2025-05-17	rnd 3	type Standard	result 1	date 2025-05-17	rnd 3	type Standard	result 1
		Opponent Claassen, X (Xaviano)				Opponent Claassen, X (Xaviano)

#	Games	Start				End
1	4	Tournament Upper West Coast Presrige 2025				Tournament Upper West Coast Top Schools 2025
		date 2025-02-22	rnd 3	type Rapid	result 1	date 2025-06-14	rnd 1	type Rapid	result 1
		Opponent Joseph, G (Granville)				Opponent Slimmert, E (Eadino)
2	4	Tournament West Coast Grand Challange League 2024				Tournament Upper West Coast Presrige 2025
		date 2024-10-26	rnd 2	type Rapid	result 1	date 2025-02-22	rnd 1	type Rapid	result 1
		Opponent Solomons, R (Rubinho)				Opponent Isaks, D (Daniell)
3	3	Tournament Bo-Weskus Skole Prestige 2024				Tournament Bo-Weskus Skole Prestige 2024
		date 2024-02-10	rnd 3	type Rapid	result 1	date 2024-02-10	rnd 5	type Rapid	result 1
		Opponent De Bruin, A (Antonio)				Opponent Joseph, G (Granville)

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	Richards ,L (Lee Quin)	6	4.5	212.5	1	1	425	5	3.5	170	0	0	0
1	Richards ,L (Lee Quin)	6	1163.6	1376.1	1	1200	1588.6	5	1172.5	1333.6	0	0	0
2	Donn ,D (Dequin)	2	0	-425	1	0	-425	1	0	-425	0	0	0
2	Donn ,D (Dequin)	2	1375.6	950.6	1	1260	950.6	1	1396.2	950.6	0	0	0
3	Smith ,C (Cody)	2	1	0	0	0	0	2	1	0	0	0	0
3	Smith ,C (Cody)	2	1190.5	1190.5	0	0	0	2	1186.6	1190.5	0	0	0
4	Julies ,A (Anja-Leigh)	2	1	0	0	0	0	2	1	0	0	0	0
4	Julies ,A (Anja-Leigh)	2	1254.3	1254.3	0	0	0	2	1268.6	1254.3	0	0	0
5	Johnson ,C (Christiano)	2	1	0	0	0	0	2	1	0	0	0	0
5	Johnson ,C (Christiano)	2	1268.4	1268.4	0	0	0	2	1271.9	1268.4	0	0	0
6	Ryk ,L (Liam)	2	0.5	-212.5	0	0	0	2	0.5	-212.5	0	0	0
6	Ryk ,L (Liam)	2	1134.4	921.9	0	0	0	2	1216.9	921.9	0	0	0
7	Bester ,N (Neyma)	2	2	425	0	0	0	2	2	425	0	0	0
7	Bester ,N (Neyma)	2	1165.1	1590.1	0	0	0	2	1147.9	1590.1	0	0	0
8	Joseph ,G (Granville)	2	2	425	0	0	0	2	2	425	0	0	0
8	Joseph ,G (Granville)	2	1260.3	1685.3	0	0	0	2	1310	1685.3	0	0	0
9	Jordaan ,L (Luke)	2	0.5	-212.5	0	0	0	2	0.5	-212.5	0	0	0
9	Jordaan ,L (Luke)	2	1317.4	1104.9	0	0	0	2	1387.3	1104.9	0	0	0
10	Steenkamp ,W (Willem)	2	1	0	0	0	0	2	1	0	0	0	0
10	Steenkamp ,W (Willem)	2	1246.8	1246.8	0	0	0	2	1362.8	1246.8	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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PLAYER PAGE

Personal

Arendse, H (Haygen)

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