Chess South Africa Ratings Database

PLAYER PAGE

Personal

Blom, W (Wian)

Chess SA id

1140158486

FIDE id

Date of birth

2014-03-28 (U12)

Gender

Male

Region

West Rand (GWR)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-08-09

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

1311

Item	Main	Standard	Rapid	Blitz
Rating	1232.5	1239.9	1200	1200
Raw rating	1232.5	1239.9	1200	1200
Weighted rating	1181.2	1178.1	1200	1200
Weighted performance	1214.3	1213	0	0
Floor	732.5	739.9	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	158.3	156.6	165.8	165.8
Highest rating	1232.5 2025-09-01	1239.9 2025-09-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1232.5 2025-09-01	1239.9 2025-09-01	1200 2024-02-01	1200 2024-02-01
Highest weighted rating	1216 2018-10-01	1221.4 2018-10-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1227 2025-09-01	1225.6 2025-09-01	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1232.5	1239.9	1200	1200
Analysis
Rating	1232.5	1239.9	1200	1200
Raw rating	1232.5	1239.9	1200	1200
Weighted rating	1181.2	1178.1	1200
Weighted performance	1214.3	1213	0
K-factor	36	36	36	36
Floor	732.5	739.9	700	700
Max/Min rating change allowed	158.3	156.6	165.8	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	1232.5	1239.9	1200	1200
New weighted rating	1186	1183.9	1200	1200
New weighted performance	1213.9	1212.5	0	0
Temp new rating	1232.5	1239.9	1200	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1232.5	1239.9	1200	1200
New K-factor	36	36	36	36
New floor	732.5	739.9	700	700

Item	Main	Standard
	0	0
	20	20
	8	8
	6	6
	0	0
	0	0
History	34	34

Games since
	Main 28	Standard 28		Rapid 0		Blitz 0
Gender	Male
Age group	U12
Region	West Rand (GWR)
Province	Gauteng (GT)
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	20	10.5	52.5	21.2	1268.1	1289.3
Standard	20	10.5	52.5	21.2	1268.1	1289.3
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	34	15	44.12	-50	1238.9	1188.9
Standard	34	15	44.12	-50	1238.9	1188.9
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1232.5	1239.9	1200	1200
2025-09-01	1232.5	1239.9	1200	1200
2025-08-01	1216	1221.4	1200	1200
2025-07-01	1216	1221.4	1200	1200
2025-06-01	1216	1221.4	1200	1200
2025-05-01	1178.1	1174.4	1200	1200
2025-04-01	1192.5	1192.5	1200	1200
2025-03-01	1155.1	1146	1200	1200
2025-02-01	1154.3	1144.9	1200	1200
2025-01-01	1131.9	1117.9	1200	1200
2024-12-01	1131.9	1117.9	1200	1200
2024-11-01	1131.9	1117.9	1200	1200
2024-10-01	1131.9	1117.9	1200	1200
2024-09-01	1156.7	1148.5	1200	1200
2024-08-01	1156.7	1148.5	1200	1200
2024-07-01	1156.7	1148.5	1200	1200
2024-06-01	1156.7	1148.5	1200	1200
2024-08-01	1171	1164.7	1200	1200
2024-04-01	1171	1164.7	1200	1200
2024-03-01	1171	1164.7	1200	1200
2024-02-01	1171	1164.7	1200	1200
2024-01-01	1171	1164.7	1200	1200
2023-12-01	1171	1164.7	1200	1200
2023-11-01	1171	1164.7	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	West Rand Women's Day Open 2025 (U12)	2025-08-09	2025-08-09	Standard	West Rand (GWR)	5	5	3	Yes	Analysis
2	2025 D2 Schools Individuals (U11 Open)	2025-05-09	2025-05-09	Standard	West Rand (GWR)	5	5	3	Yes	Analysis
3	FIDE in The West 2025 (U12)	2025-04-12	2025-04-12	Standard	West Rand (GWR)	5	5	1.5	Yes	Analysis
4	West Rand Juniors 2025 (U12)	2025-03-08	2025-03-08	Standard	West Rand (GWR)	5	5	3	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	West Rand Women's Day Open 2025 (U12)	2025-08-09	2025-08-09	Standard	West Rand (GWR)	5	5	3	Yes	Analysis
2	2025 D2 Schools Individuals (U11 Open)	2025-05-09	2025-05-09	Standard	West Rand (GWR)	5	5	3	Yes	Analysis
3	FIDE in The West 2025 (U12)	2025-04-12	2025-04-12	Standard	West Rand (GWR)	5	5	1.5	Yes	Analysis
4	West Rand Juniors 2025 (U12)	2025-03-08	2025-03-08	Standard	West Rand (GWR)	5	5	3	Yes	Analysis
5	2024 West Rand Trials (U12)	2024-09-07	2024-09-07	Standard	West Rand (GWR)	5	5	1.5	Yes	Analysis
6	2024 D2 Schools Individuals (U11 Boys)	2024-05-04	2024-05-04	Standard	West Rand (GWR)	5	3	1	Yes	Analysis
7	D2 School League Finals 2023 (U9)	2023-07-22	2023-07-22	Standard	West Rand (GWR)	7	6	2	Yes	Analysis

#	Games	Start				End
1	3	Tournament 2025 D2 Schools Individuals				Tournament 2025 D2 Schools Individuals
		date 2025-05-09	rnd 1	type Standard	result 1	date 2025-05-09	rnd 3	type Standard	result 1
		Opponent Sera, M (Motheo)				Opponent Botha, A (Arno)
2	2	Tournament West Rand Women's Day Open 2025				Tournament West Rand Women's Day Open 2025
		date 2025-08-09	rnd 4	type Standard	result 1	date 2025-08-09	rnd 5	type Standard	result 1
		Opponent Oldjohn, L (Lazola)				Opponent Pule, R (Reitumetse)
3	2	Tournament FIDE in The West 2025				Tournament FIDE in The West 2025
		date 2025-04-12	rnd 2	type Standard	result 1	date 2025-04-12	rnd 3	type Standard	result 0.5
		Opponent Kotze, C (Christiaan)				Opponent Miya, K (Kwandokuhle)

#	Games	Start				End
1	3	Tournament 2025 D2 Schools Individuals				Tournament 2025 D2 Schools Individuals
		date 2025-05-09	rnd 1	type Standard	result 1	date 2025-05-09	rnd 3	type Standard	result 1
		Opponent Sera, M (Motheo)				Opponent Botha, A (Arno)
2	2	Tournament West Rand Women's Day Open 2025				Tournament West Rand Women's Day Open 2025
		date 2025-08-09	rnd 4	type Standard	result 1	date 2025-08-09	rnd 5	type Standard	result 1
		Opponent Oldjohn, L (Lazola)				Opponent Pule, R (Reitumetse)
3	2	Tournament FIDE in The West 2025				Tournament FIDE in The West 2025
		date 2025-04-12	rnd 2	type Standard	result 1	date 2025-04-12	rnd 3	type Standard	result 0.5
		Opponent Kotze, C (Christiaan)				Opponent Miya, K (Kwandokuhle)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament 2025 D2 Schools Individuals				Tournament 2025 D2 Schools Individuals
		date 2025-05-09	rnd 1	type Standard	result 1	date 2025-05-09	rnd 3	type Standard	result 1
		Opponent Sera, M (Motheo)				Opponent Botha, A (Arno)
2	2	Tournament West Rand Women's Day Open 2025				Tournament West Rand Women's Day Open 2025
		date 2025-08-09	rnd 4	type Standard	result 1	date 2025-08-09	rnd 5	type Standard	result 1
		Opponent Oldjohn, L (Lazola)				Opponent Pule, R (Reitumetse)
3	1	Tournament West Rand Women's Day Open 2025				Tournament West Rand Women's Day Open 2025
		date 2025-08-09	rnd 1	type Standard	result 1	date 2025-08-09	rnd 1	type Standard	result 1
		Opponent Rabaji, B (Bokang)				Opponent Rabaji, B (Bokang)

#	Games	Start				End
1	3	Tournament 2025 D2 Schools Individuals				Tournament 2025 D2 Schools Individuals
		date 2025-05-09	rnd 1	type Standard	result 1	date 2025-05-09	rnd 3	type Standard	result 1
		Opponent Sera, M (Motheo)				Opponent Botha, A (Arno)
2	2	Tournament West Rand Women's Day Open 2025				Tournament West Rand Women's Day Open 2025
		date 2025-08-09	rnd 4	type Standard	result 1	date 2025-08-09	rnd 5	type Standard	result 1
		Opponent Oldjohn, L (Lazola)				Opponent Pule, R (Reitumetse)
3	1	Tournament West Rand Women's Day Open 2025				Tournament West Rand Women's Day Open 2025
		date 2025-08-09	rnd 1	type Standard	result 1	date 2025-08-09	rnd 1	type Standard	result 1
		Opponent Rabaji, B (Bokang)				Opponent Rabaji, B (Bokang)

No games found.

#	Games	Start				End

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	Willemse ,B (Bernard)	3	1	-141.7	3	1	-141.7	0	0	0	0	0	0
1	Willemse ,B (Bernard)	3	1424.2	1282.5	3	1419.6	1282.5	0	0	0	0	0	0
2	Mlambo ,M (Mbulelo Ntsako)	2	0	-425	2	0	-425	0	0	0	0	0	0
2	Mlambo ,M (Mbulelo Ntsako)	2	1250.9	825.9	2	1260.7	825.9	0	0	0	0	0	0
3	Ninham ,G (Grant)	2	0	-425	2	0	-425	0	0	0	0	0	0
3	Ninham ,G (Grant)	2	1224.1	799.1	2	1228.8	799.1	0	0	0	0	0	0
4	Crous ,R (Ruvan)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Crous ,R (Ruvan)	1	1202.8	777.8	1	1205.8	777.8	0	0	0	0	0	0
5	Garner ,L (Lee-Roy)	1	1	425	1	1	425	0	0	0	0	0	0
5	Garner ,L (Lee-Roy)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
6	Van Tonder ,J (Jennike)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Van Tonder ,J (Jennike)	1	1144.4	719.4	1	1140.2	719.4	0	0	0	0	0	0
7	Crouse ,R (Ruan)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Crouse ,R (Ruan)	1	1197.2	772.2	1	1200	772.2	0	0	0	0	0	0
8	Oldjohn ,L (Lazola)	1	1	425	1	1	425	0	0	0	0	0	0
8	Oldjohn ,L (Lazola)	1	1163.5	1588.5	1	1155.7	1588.5	0	0	0	0	0	0
9	Pule ,R (Reitumetse)	1	1	425	1	1	425	0	0	0	0	0	0
9	Pule ,R (Reitumetse)	1	1199.2	1624.2	1	1199.1	1624.2	0	0	0	0	0	0
10	De La Hunt Van Der Merwe ,E (Eben)	1	1	425	1	1	425	0	0	0	0	0	0
10	De La Hunt Van Der Merwe ,E (Eben)	1	1165.8	1590.8	1	1158	1590.8	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

Grand Prix

Statistics

Notifications

PLAYER PAGE

Personal

Blom, W (Wian)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms