Chess South Africa Ratings Database

PLAYER PAGE

Personal

Collair, H (Houston)

Chess SA id

1100105103

FIDE id

Date of birth

2010-01-01 (U16)

Gender

Male

Region

West Coast (WCU)

Citizen

RSA

Titles

Chess SA registered

Last active game

2023-05-13

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1248.4	1188.2	1278.9	1200
Raw rating	1248.4	1188.2	1278.9	1200
Weighted rating	1248.4	1188.2	1278.8	1200
Weighted performance	749.9	626.2	753.6	0
Floor	787.3	740	845.7	700
K-factor	36	36	36	36
Min/Max rating change allowed	154.8	168.6	148.2	165.8
Highest rating	1287.7 2022-06-01	1416.4 2019-02-01	1345.7 2021-10-01	1200 2018-10-01
Highest raw rating	1287.3 2022-07-01	1240 2019-03-01	1345.7 2021-10-01	1200 2024-02-01
Highest weighted rating	1287.3 2023-05-01	1240 2019-04-01	1345.7 2022-12-01	1200 2018-10-01
Highest weighted performance	1287.7 2022-06-01	1416.4 2019-02-01	1226.5 2022-06-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1248.4	1188.2	1278.9	1200
Analysis
Rating	1248.4	1188.2	1278.9	1200
Raw rating	1248.4	1188.2	1278.9	1200
Weighted rating	1248.4	1188.2	1278.8
Weighted performance	749.9	626.2	753.6
K-factor	36	36	36	36
Floor	787.3	740	845.7	700
Max/Min rating change allowed	154.8	168.6	148.2	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	1248.4	1188.2	1278.9	1200
New weighted rating	1248.4	1188.2	1278.8	1200
New weighted performance	743	619.2	746.4	0
Temp new rating	1248.4	1188.2	1278.9	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1248.4	1188.2	1278.9	1200
New K-factor	36	36	36	36
New floor	787.3	740	845.7	700

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	0	0	0
	5	0	5
	27	18	9
	15	0	15
History	104	58	46

Games since
	Main 0	Standard 0		Rapid 0		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	104	55.5	53.37	28.6	1209.8	1238.4
Standard	58	28.5	49.14	-7.3	1200.1	1192.8
Rapid	46	27	58.7	73.9	1221.9	1295.8
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1248.4	1188.2	1278.9	1200
2025-09-30	1248.4	1188.2	1278.9	1200
2025-09-01	1248.4	1188.2	1278.9	1200
2025-08-01	1248.4	1188.2	1278.9	1200
2025-07-01	1248.4	1188.2	1278.9	1200
2025-06-01	1248.4	1188.2	1278.9	1200
2025-05-01	1248.4	1188.2	1278.9	1200
2025-04-01	1248.4	1188.2	1278.9	1200
2025-03-01	1248.4	1188.2	1278.9	1200
2025-02-01	1248.4	1188.2	1278.9	1200
2025-01-01	1248.3	1188.2	1278.7	1200
2024-12-01	1248.3	1188.2	1278.7	1200
2024-11-01	1248.3	1188.2	1278.7	1200
2024-10-01	1248.3	1188.2	1278.7	1200
2024-09-01	1248.3	1188.2	1278.7	1200
2024-08-01	1248.3	1188.2	1278.7	1200
2024-07-01	1248.3	1188.2	1278.7	1200
2024-09-01	1248.3	1188.2	1278.7	1200
2024-05-01	1248.3	1188.2	1278.7	1200
2024-04-01	1248.3	1188.2	1278.7	1200
2024-03-01	1248.3	1188.2	1278.7	1200
2024-02-01	1248.3	1188.2	1278.7	1200
2024-01-01	1248.3	1188.2	1278.7	1200
2023-12-01	1248.3	1188.2	1278.7	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	St Helenabaai Open 2023 (Open)	2023-05-13	2023-05-13	Rapid	West Coast (WCU)	5	5	2	Yes	Analysis
2	West Coast Open 2022 (Open)	2022-11-05	2022-11-05	Standard	West Coast (WCU)	6	6	2.5	Yes	Analysis
3	Best of The West 2022 (Boys Open)	2022-11-19	2022-11-19	Rapid	West Coast (WCU)	5	4	1	Yes	Analysis
4	Onder-Weskus Top Skole 2022 (O13 Seuns)	2022-06-04	2022-06-04	Rapid	West Coast (WCU)	5	5	4	Yes	Analysis
5	Western Cape Schools 2022 (U13 Boys)	2022-05-28	2022-05-29	Standard	Cape Winelands (WCW)	6	6	3	Yes	Analysis
6	West Coast Schools Prestige 2022 (U13 Boys)	2022-02-19	2022-02-19	Standard	West Coast (WCU)	6	6	3.5	Yes	Analysis
7	Western Cape Schools 2021 (U11 Boys)	2021-10-23	2021-10-23	Rapid	Overberg (WOS)	5	5	2	Yes	Analysis
8	West Coast Primary Schools Prestige 2021 (U11)	2021-09-18	2021-09-18	Rapid	West Coast (WCU)	5	5	4	Yes	Analysis
9	Lower West Coast Schools Chess Prestige 2021 (U11 Boys)	2021-05-15	2021-05-15	Rapid	West Coast (WCU)	5	5	5	Yes	Analysis
10	Back to School Rapid 2020 (Boys)	2020-02-01	2020-02-01	Rapid	West Coast (WCU)	5	0	0	No	Analysis
11	West Coast Club Champs 2019 (B)	2019-09-13	2019-09-14	Standard	West Coast (WCU)	7	4	2	Yes	Analysis
12	Western Cape Top Schools 2019 (U11 Mix)	2019-08-31	2019-09-01	Standard	Cape Winelands (WCW)	5	5	2	Yes	Analysis
13	Western Cape Womans Month Tournament 2019 (C)	2019-08-09	2019-08-11	Standard	West Coast (WCU)	7	6	3	Yes	Analysis
14	Waschklip Clinic Closed 2019	2019-06-18	2019-06-18	Standard	West Coast (WCU)	5	5	2	Yes	Analysis
15	Weskus Mall Rapid 2019 (U10)	2019-07-15	2019-07-15	Rapid	West Coast (WCU)	5	5	3	Yes	Analysis
16	Western Cape Schools Individuals 2019 (U9 Boys)	2019-05-18	2019-05-19	Standard	Eden (WEG)	6	6	3	Yes	Analysis
17	West Coast Open 2019 (C)	2019-04-27	2019-04-27	Standard	West Coast (WCU)	5	4	1	Yes	Analysis
18	Weskus Skole Prestige Skaak Kampioenskappe 2019 (O9 Seuns)	2019-03-02	2019-04-06	Standard	West Coast (WCU)	6	6	3.5	Yes	Analysis
19	St Helenabaai Open 2019 (U10)	2019-02-09	2019-02-09	Standard	West Coast (WCU)	5	4	3	Yes	Analysis
20	Onder-Weskus Skole Proewe 2019 (O9 Seuns)	2019-02-16	2019-02-23	Rapid	West Coast (WCU)	8	7	5	Yes	Analysis
21	Woman`s Month Blitz Tournament 2018 (U8)	2018-08-11	2018-08-11	Rapid	West Coast (WCU)	5	5	1	Yes	Analysis

#	Games	Start				End
1	10	Tournament West Coast Club Champs 2019				Tournament West Coast Primary Schools Prestige 2021
		date 2019-09-14	rnd 7	type Standard	result 1	date 2021-09-18	rnd 4	type Rapid	result 1
		Opponent Pienaar, F (Francisca)				Opponent Albertyn, J (Jowaiden)
2	5	Tournament Onder-Weskus Top Skole 2022				Tournament West Coast Open 2022
		date 2022-06-04	rnd 2	type Rapid	result 1	date 2022-11-05	rnd 1	type Standard	result 1
		Opponent Solomons, M (Mateo)				Opponent Ruiters, A (Arnold-James)
3	5	Tournament Onder-Weskus Skole Proewe 2019				Tournament Weskus Skole Prestige Skaak Kampioenskappe 2019
		date 2019-02-23	rnd 6	type Rapid	result 1	date 2019-03-02	rnd 2	type Standard	result 1
		Opponent Van Wyk, S (Sj)				Opponent Visagie, T (Thomas)

#	Games	Start				End
1	5	Tournament St Helenabaai Open 2019				Tournament Weskus Skole Prestige Skaak Kampioenskappe 2019
		date 2019-02-09	rnd 3	type Standard	result 1	date 2019-03-02	rnd 2	type Standard	result 1
		Opponent Ferris, J (Joshua)				Opponent Visagie, T (Thomas)
2	3	Tournament Western Cape Schools 2022				Tournament West Coast Open 2022
		date 2022-05-29	rnd 5	type Standard	result 1	date 2022-11-05	rnd 1	type Standard	result 1
		Opponent Williams, S (Samuel)				Opponent Ruiters, A (Arnold-James)
3	3	Tournament West Coast Club Champs 2019				Tournament West Coast Schools Prestige 2022
		date 2019-09-14	rnd 7	type Standard	result 1	date 2022-02-19	rnd 2	type Standard	result 1
		Opponent Pienaar, F (Francisca)				Opponent Sawayer, L (Luke)

#	Games	Start				End
1	9	Tournament Lower West Coast Schools Chess Prestige 2021				Tournament West Coast Primary Schools Prestige 2021
		date 2021-05-15	rnd 1	type Rapid	result 1	date 2021-09-18	rnd 4	type Rapid	result 1
		Opponent Marcus, J (Jp)				Opponent Albertyn, J (Jowaiden)
2	5	Tournament Onder-Weskus Top Skole 2022				Tournament Best of The West 2022
		date 2022-06-04	rnd 2	type Rapid	result 1	date 2022-11-19	rnd 2	type Rapid	result 1
		Opponent Solomons, M (Mateo)				Opponent De Bruin, L (Lee Cale)
3	5	Tournament Onder-Weskus Skole Proewe 2019				Tournament Weskus Mall Rapid 2019
		date 2019-02-23	rnd 6	type Rapid	result 1	date 2019-07-15	rnd 2	type Rapid	result 1
		Opponent Van Wyk, S (Sj)				Opponent Duiker, P (Phillip)

No games found.

#	Games	Start				End

#	Games	Start				End
1	10	Tournament West Coast Club Champs 2019				Tournament West Coast Primary Schools Prestige 2021
		date 2019-09-14	rnd 7	type Standard	result 1	date 2021-09-18	rnd 4	type Rapid	result 1
		Opponent Pienaar, F (Francisca)				Opponent Albertyn, J (Jowaiden)
2	5	Tournament Onder-Weskus Top Skole 2022				Tournament West Coast Open 2022
		date 2022-06-04	rnd 2	type Rapid	result 1	date 2022-11-05	rnd 1	type Standard	result 1
		Opponent Solomons, M (Mateo)				Opponent Ruiters, A (Arnold-James)
3	4	Tournament Western Cape Schools 2021				Tournament West Coast Schools Prestige 2022
		date 2021-10-23	rnd 4	type Rapid	result 1	date 2022-02-19	rnd 2	type Standard	result 1
		Opponent Scholtz, F (Francois)				Opponent Sawayer, L (Luke)

#	Games	Start				End
1	3	Tournament Western Cape Schools 2022				Tournament West Coast Open 2022
		date 2022-05-29	rnd 5	type Standard	result 1	date 2022-11-05	rnd 1	type Standard	result 1
		Opponent Williams, S (Samuel)				Opponent Ruiters, A (Arnold-James)
2	3	Tournament West Coast Club Champs 2019				Tournament West Coast Schools Prestige 2022
		date 2019-09-14	rnd 7	type Standard	result 1	date 2022-02-19	rnd 2	type Standard	result 1
		Opponent Pienaar, F (Francisca)				Opponent Sawayer, L (Luke)
3	3	Tournament Weskus Skole Prestige Skaak Kampioenskappe 2019				Tournament West Coast Open 2019
		date 2019-04-06	rnd 5	type Standard	result 1	date 2019-04-27	rnd 2	type Standard	result 1
		Opponent Opperman, C (Caleb)				Opponent Van Der Merwe, V (Vera)

#	Games	Start				End
1	9	Tournament Lower West Coast Schools Chess Prestige 2021				Tournament West Coast Primary Schools Prestige 2021
		date 2021-05-15	rnd 1	type Rapid	result 1	date 2021-09-18	rnd 4	type Rapid	result 1
		Opponent Marcus, J (Jp)				Opponent Albertyn, J (Jowaiden)
2	5	Tournament Onder-Weskus Top Skole 2022				Tournament Best of The West 2022
		date 2022-06-04	rnd 2	type Rapid	result 1	date 2022-11-19	rnd 2	type Rapid	result 1
		Opponent Solomons, M (Mateo)				Opponent De Bruin, L (Lee Cale)
3	5	Tournament Onder-Weskus Skole Proewe 2019				Tournament Weskus Mall Rapid 2019
		date 2019-02-23	rnd 6	type Rapid	result 1	date 2019-07-15	rnd 2	type Rapid	result 1
		Opponent Van Wyk, S (Sj)				Opponent Duiker, P (Phillip)

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	Arendse ,Q (Quinwinne)	4	1.5	-106.2	2	0.5	-212.5	2	1	0	0	0	0
1	Arendse ,Q (Quinwinne)	4	1240.8	1134.6	2	1213.8	1028.3	2	1178.6	1240.8	0	0	0
2	Mcquire ,M (Mikael)	3	0	-425	2	0	-425	1	0	-425	0	0	0
2	Mcquire ,M (Mikael)	3	1071.1	646.1	2	1011.8	646.1	1	578.8	646.1	0	0	0
3	Pienaar ,F (Francisca)	3	2	141.7	2	1	0	1	1	425	0	0	0
3	Pienaar ,F (Francisca)	3	1089.8	1231.5	2	1037.6	1089.8	1	1220	1514.8	0	0	0
4	Schroeder ,L (Liam)	2	0	-425	2	0	-425	0	0	0	0	0	0
4	Schroeder ,L (Liam)	2	1445.4	1020.4	2	1430.9	1020.4	0	0	0	0	0	0
5	Saal ,F (Fabian)	2	0	-425	2	0	-425	0	0	0	0	0	0
5	Saal ,F (Fabian)	2	1253.8	828.8	2	1260.5	828.8	0	0	0	0	0	0
6	Lewaks ,A (Andrea)	2	1	0	1	1	425	1	0	-425	0	0	0
6	Lewaks ,A (Andrea)	2	1237.6	1237.6	1	1149.2	1662.6	1	1337.6	812.6	0	0	0
7	Ocks ,K (Keano)	2	0	-425	1	0	-425	1	0	-425	0	0	0
7	Ocks ,K (Keano)	2	1229.9	804.9	1	1185.3	804.9	1	1186.3	804.9	0	0	0
8	Koch ,E (Eckhard)	2	1.5	212.5	1	0.5	0	1	1	425	0	0	0
8	Koch ,E (Eckhard)	2	1187.9	1400.4	1	1200	1187.9	1	1200	1612.9	0	0	0
9	Lu ,DTX (Daniel Ting Xu)	2	0.5	-212.5	1	0.5	0	1	0	-425	0	0	0
9	Lu ,DTX (Daniel Ting Xu)	2	1306.9	1094.4	1	1253.9	1306.9	1	1258.1	881.9	0	0	0
10	Van Wyk ,M (Marnus)	2	2	425	1	1	425	1	1	425	0	0	0
10	Van Wyk ,M (Marnus)	2	1177.4	1602.4	1	1200	1602.4	1	1200	1602.4	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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PLAYER PAGE

Personal

Collair, H (Houston)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms