Chess South Africa Ratings Database

PLAYER PAGE

Personal

Boyder, H (Henko)

Chess SA id

1100157833

FIDE id

Date of birth

2010-02-17 (U16)

Gender

Male

Region

West Coast (WCU)

Citizen

RSA

Titles

Chess SA registered

Last active game

2023-10-21

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1144.1	1130	1201	1200
Raw rating	1144.1	1130	1201	1200
Weighted rating	1143.4	1129	1201	1200
Weighted performance	0	0	0	0
Floor	700	700	701	700
K-factor	36	36	36	36
Min/Max rating change allowed	179.6	183.2	165.6	165.8
Highest rating	1200 2018-10-01	1200 2018-10-01	1206.7 2023-10-01	1200 2018-10-01
Highest raw rating	1200 2019-12-01	1200 2019-12-01	1201 2024-02-01	1200 2024-02-01
Highest weighted rating	1200 2018-10-01	1200 2018-10-01	1201 2025-08-01	1200 2018-10-01
Highest weighted performance	1200 2019-12-01	1200 2019-12-01	1206.7 2023-10-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1144.1	1130	1201	1200
Analysis
Rating	1144.1	1130	1201	1200
Raw rating	1144.1	1130	1201	1200
Weighted rating	1143.4	1129	1201
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	700	700	701	700
Max/Min rating change allowed	179.6	183.2	165.6	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	1144.1	1130	1201	1200
New weighted rating	1143.5	1129.2	1201	1200
New weighted performance	0	0	0	0
Temp new rating	1144.1	1130	1201	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1144.1	1130	1201	1200
New K-factor	36	36	36	36
New floor	700	700	701	700

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	0	0	0
	14	5	9
	0	0	0
	0	0	0
History	14	5	9

Games since
	Main 4	Standard 0		Rapid 4		Blitz 0
Gender	Male
Age group	U16
Region	West Coast (WCU)
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	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
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	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
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	14	4.5	32.14	-151.8	1211.8	1060
Standard	5	0.5	10	-340	1192.4	852.4
Rapid	9	4	44.44	-47.2	1222.5	1175.3
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1144.1	1130	1201	1200
2025-09-01	1144.1	1130	1201	1200
2025-08-01	1144.1	1130	1201	1200
2025-07-01	1144.1	1130	1201	1200
2025-06-01	1144.1	1130	1201	1200
2025-05-01	1144.1	1130	1201	1200
2025-04-01	1144.1	1130	1201	1200
2025-03-01	1144.1	1130	1201	1200
2025-02-01	1144.1	1130	1201	1200
2025-01-01	1142.5	1127.6	1201	1200
2024-12-01	1142.5	1127.6	1201	1200
2024-11-01	1142.5	1127.6	1201	1200
2024-10-01	1142.5	1127.6	1201	1200
2024-09-01	1142.5	1127.6	1201	1200
2024-08-01	1142.5	1127.6	1201	1200
2024-07-01	1142.5	1127.6	1201	1200
2024-06-01	1142.5	1127.6	1201	1200
2024-08-01	1142.5	1127.6	1201	1200
2024-04-01	1142.5	1127.6	1201	1200
2024-03-01	1142.5	1127.6	1201	1200
2024-02-01	1142.5	1127.6	1201	1200
2024-01-01	1142.5	1127.6	1201	1200
2023-12-01	1142.5	1127.6	1201	1200
2023-11-01	1142.5	1127.6	1201	1200

Comming soon.

Tournaments

History

No tournaments found.

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis

No tournaments found.

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	West Coast Primary Schools Grand Challenge League 2023 (Development)	2023-10-21	2023-10-21	Rapid	West Coast (WCU)	5	4	2	Yes	Analysis
2	Pedro Booyse Top Schools 2023 (U13)	2023-07-29	2023-07-29	Standard	West Coast (WCU)	5	5	0.5	Yes	Analysis
3	Lower West Coast Top Schools Championships 2023 (U13)	2023-06-10	2023-06-10	Rapid	West Coast (WCU)	5	5	2	Yes	Analysis

#	Games	Start				End
1	2	Tournament West Coast Primary Schools Grand Challenge League 2023				Tournament West Coast Primary Schools Grand Challenge League 2023
		date 2023-10-21	rnd 3	type Rapid	result 1	date 2023-10-21	rnd 4	type Rapid	result 1
		Opponent Flink, J (Jumelio)				Opponent Clarisse, J (John-Lee)
2	2	Tournament Lower West Coast Top Schools Championships 2023				Tournament Lower West Coast Top Schools Championships 2023
		date 2023-06-10	rnd 3	type Rapid	result 1	date 2023-06-10	rnd 4	type Rapid	result 1
		Opponent Hopley, W (William)				Opponent Louw, A (Ajay)
3	1	Tournament Pedro Booyse Top Schools 2023				Tournament Pedro Booyse Top Schools 2023
		date 2023-07-29	rnd 3	type Standard	result 0.5	date 2023-07-29	rnd 3	type Standard	result 0.5
		Opponent Arries, G (Geroneeze)				Opponent Arries, G (Geroneeze)

#	Games	Start				End
1	1	Tournament Pedro Booyse Top Schools 2023				Tournament Pedro Booyse Top Schools 2023
		date 2023-07-29	rnd 3	type Standard	result 0.5	date 2023-07-29	rnd 3	type Standard	result 0.5
		Opponent Arries, G (Geroneeze)				Opponent Arries, G (Geroneeze)

#	Games	Start				End
1	2	Tournament West Coast Primary Schools Grand Challenge League 2023				Tournament West Coast Primary Schools Grand Challenge League 2023
		date 2023-10-21	rnd 3	type Rapid	result 1	date 2023-10-21	rnd 4	type Rapid	result 1
		Opponent Flink, J (Jumelio)				Opponent Clarisse, J (John-Lee)
2	2	Tournament Lower West Coast Top Schools Championships 2023				Tournament Lower West Coast Top Schools Championships 2023
		date 2023-06-10	rnd 3	type Rapid	result 1	date 2023-06-10	rnd 4	type Rapid	result 1
		Opponent Hopley, W (William)				Opponent Louw, A (Ajay)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament West Coast Primary Schools Grand Challenge League 2023				Tournament West Coast Primary Schools Grand Challenge League 2023
		date 2023-10-21	rnd 3	type Rapid	result 1	date 2023-10-21	rnd 4	type Rapid	result 1
		Opponent Flink, J (Jumelio)				Opponent Clarisse, J (John-Lee)
2	2	Tournament Lower West Coast Top Schools Championships 2023				Tournament Lower West Coast Top Schools Championships 2023
		date 2023-06-10	rnd 3	type Rapid	result 1	date 2023-06-10	rnd 4	type Rapid	result 1
		Opponent Hopley, W (William)				Opponent Louw, A (Ajay)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament West Coast Primary Schools Grand Challenge League 2023				Tournament West Coast Primary Schools Grand Challenge League 2023
		date 2023-10-21	rnd 3	type Rapid	result 1	date 2023-10-21	rnd 4	type Rapid	result 1
		Opponent Flink, J (Jumelio)				Opponent Clarisse, J (John-Lee)
2	2	Tournament Lower West Coast Top Schools Championships 2023				Tournament Lower West Coast Top Schools Championships 2023
		date 2023-06-10	rnd 3	type Rapid	result 1	date 2023-06-10	rnd 4	type Rapid	result 1
		Opponent Hopley, W (William)				Opponent Louw, A (Ajay)

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	Arries ,G (Geroneeze)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
1	Arries ,G (Geroneeze)	1	1199.1	1199.1	1	1200	1199.1	0	0	0	0	0	0
2	Don ,M (Mikayla)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Don ,M (Mikayla)	1	1290.2	865.2	1	1231.8	865.2	0	0	0	0	0	0
3	Solomons ,C (Chadley)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Solomons ,C (Chadley)	1	1188.7	763.7	1	1200	763.7	0	0	0	0	0	0
4	Bowden ,R (Ryan)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Bowden ,R (Ryan)	1	1131.7	706.7	1	1134.8	706.7	0	0	0	0	0	0
5	Cloete ,T (Tashlynn)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Cloete ,T (Tashlynn)	1	1152.5	727.5	1	1117.6	727.5	0	0	0	0	0	0
6	Clarisse ,J (John-Lee)	1	1	425	0	0	0	1	1	425	0	0	0
6	Clarisse ,J (John-Lee)	1	1164.8	1589.8	0	0	0	1	1142.8	1589.8	0	0	0
7	Hengson ,P (Peter John)	1	0	-425	0	0	0	1	0	-425	0	0	0
7	Hengson ,P (Peter John)	1	1212	787	0	0	0	1	1224.8	787	0	0	0
8	Hopley ,W (William)	1	1	425	0	0	0	1	1	425	0	0	0
8	Hopley ,W (William)	1	1200	1625	0	0	0	1	1200	1625	0	0	0
9	Willshach ,L (Lishan)	1	0	-425	0	0	0	1	0	-425	0	0	0
9	Willshach ,L (Lishan)	1	1260	835	0	0	0	1	1348.3	835	0	0	0
10	Kassey ,E (Ettiene)	1	0	-425	0	0	0	1	0	-425	0	0	0
10	Kassey ,E (Ettiene)	1	1200	775	0	0	0	1	1200	775	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

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PLAYER PAGE

Personal

Boyder, H (Henko)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms