Chess South Africa Ratings Database

PLAYER PAGE

Personal

Buhr, W (Wilhelm)

Chess SA id

1150150061

FIDE id

Date of birth

2015-05-03 (U12)

Gender

Male

Region

Overberg (WOS)

Citizen

RSA

Titles

Chess SA registered

Yes

Last active game

2025-09-13

Personal details last changed

1900-01-01

Junior GPX Games

22.5

Junior GPX Points

1228.5

Item	Main	Standard	Rapid	Blitz
Rating	1370.1	1310.4	1292.3	1200
Raw rating	1370.1	1310.4	1286.4	1200
Weighted rating	1309.4	1233.8	1292.3	1200
Weighted performance	1230.5	1238.8	1190.5	0
Floor	914.5	810.4	862	700
K-factor	32	36	36	36
Min/Max rating change allowed	130.1	141.7	146.6	165.8
Highest rating	1414.5 2025-06-01	1310.4 2025-06-01	1362 2025-03-01	1200 2018-10-01
Highest raw rating	1414.5 2025-06-01	1310.4 2025-06-01	1362 2025-03-01	1200 2024-03-01
Highest weighted rating	1414.5 2018-10-01	1310.4 2018-10-01	1289.9 2025-09-30	1200 2018-10-01
Highest weighted performance	1414.5 2025-06-01	1310.4 2019-12-01	1336.8 2019-12-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	2	0
New rating	1370.1	1310.4	1294.3	1200
Analysis
Rating	1370.1	1310.4	1292.3	1200
Raw rating	1370.1	1310.4	1286.4	1200
Weighted rating	1309.4	1233.8	1292.3
Weighted performance	1230.5	1238.8	1190.5
K-factor	32	36	36	36
Floor	914.5	810.4	862	700
Max/Min rating change allowed	130.1	141.7	146.6	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	1370.1	1310.4	1286.4	1200
New weighted rating	1318.6	1242.8	1294.3	1200
New weighted performance	1222.9	1230.9	1183	0
Temp new rating	1370.1	1310.4	1294.3	1200
Temp new rating +/-	0	0	2	0
Final new rating +/-	0	0	2	0
New rating	1370.1	1310.4	1294.3	1200
New K-factor	32	36	36	36
New floor	914.5	810.4	862	700

Item	Main	Standard	Rapid
	0	0	0
	35	11	24
	34	29	5
	21	10	11
	0	0	0
	0	0	0
History	90	50	40

Games since
	Main 69	Standard 40		Rapid 29		Blitz 0
Gender	Male
Age group	U12
Region	Overberg (WOS)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	2502		790		49
Male	2019		613		34
U12	342		111		10
U12 Male	251		79		7
Standard
	RSA		Province		Region
Overall	3079		889		53
Male	2426		647		37
U12	446		128		12
U12 Male	325		86		8
Rapid
	RSA		Province		Region
Overall	1107		558		65
Male	900		445		45
U12	195		112		12
U12 Male	143		78		8
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	35	20	57.14	60.7	1331	1391.7
Standard	11	6.5	59.09	77.3	1429.3	1506.5
Rapid	24	13.5	56.25	53.1	1286	1339.1
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	90	41.5	46.11	-33.1	1288	1254.9
Standard	50	20	40	-85	1310.6	1225.6
Rapid	40	21.5	53.75	31.9	1259.7	1291.6
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1370.1	1310.4	1286.4	1200
2025-09-30	1370.1	1310.4	1286.4	1200
2025-09-01	1414.5	1310.4	1362	1200
2025-08-01	1414.5	1310.4	1362	1200
2025-07-01	1414.5	1310.4	1362	1200
2025-06-01	1414.5	1310.4	1362	1200
2025-05-01	1389.1	1242.9	1362	1200
2025-04-01	1389.1	1242.9	1362	1200
2025-03-01	1325.6	1177.6	1362	1200
2025-02-01	1210.6	1177.6	1220	1200
2025-01-01	1210.6	1177.6	1220	1200
2024-12-01	1210.6	1177.6	1220	1200
2024-11-01	1210.6	1177.6	1220	1200
2024-10-01	1210.6	1177.6	1220	1200
2024-09-01	1165.8	1130	1220	1200
2024-08-01	1165.8	1130	1220	1200
2024-07-01	1163.5	1123.2	1220	1200
2024-09-01	1163.5	1123.2	1220	1200
2024-05-01	1172.5	1139.6	1220	1200
2024-04-01	1172.5	1139.6	1220	1200
2024-03-01	1142.4	1136.8	1186.8	1200
2024-02-01	1142.4	1136.8	1186.8	1200
2024-01-01	1142.4	1136.8	1186.8	1200
2023-12-01	1142.4	1136.8	1186.8	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	Overberg Club Championship 2025	2025-09-13	2025-09-13	Rapid	Overberg (WOS)	7	6	1	Yes	Analysis
2	Western Cape Schools Individual Championship 2025 (U11 Boys)	2025-05-17	2025-05-18	Standard	Cape Winelands (WCW)	6	6	3	Yes	Analysis
3	Overberg Schools - PS Closed 2025 (U11 Boys)	2025-03-08	2025-03-08	Standard	Overberg (WOS)	5	5	3.5	Yes	Analysis
4	Overberg Schools - PS Trials (Region 1) 2025 (U11 Boys)	2025-02-22	2025-02-22	Rapid	Overberg (WOS)	6	6	4.5	Yes	Analysis
5	Curro Hermanus Summer Open 2025 (U11)	2025-02-08	2025-02-08	Rapid	Overberg (WOS)	6	6	4	Yes	Analysis
6	Overberg Schools & Federation Open 2025 (U11)	2025-02-01	2025-02-01	Rapid	Overberg (WOS)	6	6	4	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Overberg Club Championship 2025	2025-09-13	2025-09-13	Rapid	Overberg (WOS)	7	6	1	Yes	Analysis
2	Western Cape Schools Individual Championship 2025 (U11 Boys)	2025-05-17	2025-05-18	Standard	Cape Winelands (WCW)	6	6	3	Yes	Analysis
3	Overberg Schools - PS Closed 2025 (U11 Boys)	2025-03-08	2025-03-08	Standard	Overberg (WOS)	5	5	3.5	Yes	Analysis
4	Overberg Schools - PS Trials (Region 1) 2025 (U11 Boys)	2025-02-22	2025-02-22	Rapid	Overberg (WOS)	6	6	4.5	Yes	Analysis
5	Curro Hermanus Summer Open 2025 (U11)	2025-02-08	2025-02-08	Rapid	Overberg (WOS)	6	6	4	Yes	Analysis
6	Overberg Schools & Federation Open 2025 (U11)	2025-02-01	2025-02-01	Rapid	Overberg (WOS)	6	6	4	Yes	Analysis
7	Overberg GP Invitational Day 2 2024 (C)	2024-09-27	2024-09-27	Standard	Overberg (WOS)	5	4	1.5	Yes	Analysis
8	Overberg GP Invitational Day 1 2024 (C)	2024-09-26	2024-09-26	Standard	Overberg (WOS)	5	4	2	Yes	Analysis
9	Western Cape Top Schools Championship 2024 (U9 Mixed)	2024-08-30	2024-09-01	Standard	Eden (WEG)	6	5	1	Yes	Analysis
10	Overberg Schools - Top Schools 2024 (U7+U9 Mixed)	2024-07-27	2024-07-27	Standard	Overberg (WOS)	5	5	2	Yes	Analysis
11	Western Cape PS Individuals Championship 2024 (U9 Boys)	2024-05-04	2024-05-05	Standard	West Coast (WCU)	6	6	2	Yes	Analysis
12	Overberg Schools - PS Closed 2024 (U9 Boys)	2024-03-16	2024-03-16	Standard	Overberg (WOS)	5	5	2	Yes	Analysis
13	Overberg Schools - PS Trials Region 3 2024 (U9 Boys)	2024-03-02	2024-03-02	Rapid	Overberg (WOS)	5	5	3	Yes	Analysis
14	Overberg Top Schools 2023 (U7+U9)	2023-08-05	2023-08-05	Standard	Overberg (WOS)	5	5	2	Yes	Analysis
15	Overberg School Chess Closed Tournament 2023 (U9 Boys)	2023-03-25	2023-03-25	Standard	Overberg (WOS)	5	5	1	Yes	Analysis
16	Overberg Primary School Trials (Region 2)	2023-02-24	2023-03-10	Rapid	Overberg (WOS)	6	6	3	Yes	Analysis
17	Overberg Schools Open Tournament 2023 (U8)	2023-02-11	2023-02-11	Rapid	Overberg (WOS)	5	5	2	Yes	Analysis

#	Games	Start				End
1	7	Tournament Overberg Schools - PS Trials (Region 1) 2025				Tournament Overberg Schools - PS Closed 2025
		date 2025-02-22	rnd 3	type Rapid	result 1	date 2025-03-08	rnd 3	type Standard	result 0.5
		Opponent Collins, M (Marius)				Opponent Buhr, H (Heinrich)
2	4	Tournament Overberg Schools - PS Closed 2025				Tournament Western Cape Schools Individual Championship 2025
		date 2025-03-08	rnd 5	type Standard	result 1	date 2025-05-17	rnd 3	type Standard	result 1
		Opponent Henning, I (Ivan)				Opponent Coetzer, H (Hanro)
3	4	Tournament Overberg Schools & Federation Open 2025				Tournament Curro Hermanus Summer Open 2025
		date 2025-02-01	rnd 5	type Rapid	result 1	date 2025-02-08	rnd 2	type Rapid	result 1
		Opponent Sargeant, R (Rome)				Opponent Henning, I (Ivan)

#	Games	Start				End
1	4	Tournament Overberg Schools - PS Closed 2025				Tournament Western Cape Schools Individual Championship 2025
		date 2025-03-08	rnd 5	type Standard	result 1	date 2025-05-17	rnd 3	type Standard	result 1
		Opponent Henning, I (Ivan)				Opponent Coetzer, H (Hanro)
2	3	Tournament Overberg Schools - PS Closed 2025				Tournament Overberg Schools - PS Closed 2025
		date 2025-03-08	rnd 1	type Standard	result 1	date 2025-03-08	rnd 3	type Standard	result 0.5
		Opponent Ngxovu, A (Akhanyile)				Opponent Buhr, H (Heinrich)
3	2	Tournament Overberg GP Invitational Day 2 2024				Tournament Overberg GP Invitational Day 2 2024
		date 2024-09-27	rnd 3	type Standard	result 1	date 2024-09-27	rnd 4	type Standard	result 0.5
		Opponent Louw, S (Sarel Johannes)				Opponent Coetzer, R (Rossouw)

#	Games	Start				End
1	4	Tournament Overberg Schools - PS Trials (Region 1) 2025				Tournament Overberg Schools - PS Trials (Region 1) 2025
		date 2025-02-22	rnd 3	type Rapid	result 1	date 2025-02-22	rnd 6	type Rapid	result 1
		Opponent Collins, M (Marius)				Opponent Avenant, E (Ethan)
2	4	Tournament Overberg Schools & Federation Open 2025				Tournament Curro Hermanus Summer Open 2025
		date 2025-02-01	rnd 5	type Rapid	result 1	date 2025-02-08	rnd 2	type Rapid	result 1
		Opponent Sargeant, R (Rome)				Opponent Henning, I (Ivan)
3	2	Tournament Curro Hermanus Summer Open 2025				Tournament Curro Hermanus Summer Open 2025
		date 2025-02-08	rnd 4	type Rapid	result 1	date 2025-02-08	rnd 5	type Rapid	result 1
		Opponent Gebuza, L (Lufiko)				Opponent Harikisun, A (Acira)

No games found.

#	Games	Start				End

#	Games	Start				End
1	4	Tournament Overberg Schools - PS Closed 2025				Tournament Western Cape Schools Individual Championship 2025
		date 2025-03-08	rnd 5	type Standard	result 1	date 2025-05-17	rnd 3	type Standard	result 1
		Opponent Henning, I (Ivan)				Opponent Coetzer, H (Hanro)
2	4	Tournament Overberg Schools & Federation Open 2025				Tournament Curro Hermanus Summer Open 2025
		date 2025-02-01	rnd 5	type Rapid	result 1	date 2025-02-08	rnd 2	type Rapid	result 1
		Opponent Sargeant, R (Rome)				Opponent Henning, I (Ivan)
3	3	Tournament Overberg Schools - PS Trials (Region 1) 2025				Tournament Overberg Schools - PS Closed 2025
		date 2025-02-22	rnd 6	type Rapid	result 1	date 2025-03-08	rnd 2	type Standard	result 1
		Opponent Avenant, E (Ethan)				Opponent Snyman, A (Andre)

#	Games	Start				End
1	4	Tournament Overberg Schools - PS Closed 2025				Tournament Western Cape Schools Individual Championship 2025
		date 2025-03-08	rnd 5	type Standard	result 1	date 2025-05-17	rnd 3	type Standard	result 1
		Opponent Henning, I (Ivan)				Opponent Coetzer, H (Hanro)
2	2	Tournament Overberg Schools - PS Closed 2025				Tournament Overberg Schools - PS Closed 2025
		date 2025-03-08	rnd 1	type Standard	result 1	date 2025-03-08	rnd 2	type Standard	result 1
		Opponent Ngxovu, A (Akhanyile)				Opponent Snyman, A (Andre)
3	2	Tournament Overberg GP Invitational Day 1 2024				Tournament Overberg GP Invitational Day 1 2024
		date 2024-09-26	rnd 3	type Standard	result 1	date 2024-09-26	rnd 4	type Standard	result 1
		Opponent Fourie, C (Cj)				Opponent Louw, S (Sarel Johannes)

#	Games	Start				End
1	4	Tournament Overberg Schools & Federation Open 2025				Tournament Curro Hermanus Summer Open 2025
		date 2025-02-01	rnd 5	type Rapid	result 1	date 2025-02-08	rnd 2	type Rapid	result 1
		Opponent Sargeant, R (Rome)				Opponent Henning, I (Ivan)
2	2	Tournament Overberg Schools - PS Trials (Region 1) 2025				Tournament Overberg Schools - PS Trials (Region 1) 2025
		date 2025-02-22	rnd 3	type Rapid	result 1	date 2025-02-22	rnd 4	type Rapid	result 1
		Opponent Collins, M (Marius)				Opponent Sargeant, R (Rome)
3	2	Tournament Curro Hermanus Summer Open 2025				Tournament Curro Hermanus Summer Open 2025
		date 2025-02-08	rnd 4	type Rapid	result 1	date 2025-02-08	rnd 5	type Rapid	result 1
		Opponent Gebuza, L (Lufiko)				Opponent Harikisun, A (Acira)

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	Coetzer ,H (Hanro)	5	1	-255	4	1	-212.5	1	0	-425	0	0	0
1	Coetzer ,H (Hanro)	5	1394.5	1139.5	4	1333.6	1182	1	1371	969.5	0	0	0
2	Buhr ,H (Heinrich)	4	0.5	-318.8	3	0.5	-283.3	1	0	-425	0	0	0
2	Buhr ,H (Heinrich)	4	1344.3	1025.6	3	1281	1061	1	1312.3	919.3	0	0	0
3	Badenhorst ,R (Rouxan)	4	1	-212.5	3	1	-141.7	1	0	-425	0	0	0
3	Badenhorst ,R (Rouxan)	4	1369	1156.5	3	1342.3	1227.3	1	1200	944	0	0	0
4	Louw ,S (Sarel Johannes)	3	2	141.7	3	2	141.7	0	0	0	0	0	0
4	Louw ,S (Sarel Johannes)	3	1226.3	1368	3	1230	1368	0	0	0	0	0	0
5	Henning ,I (Ivan)	3	2	141.7	2	1	0	1	1	425	0	0	0
5	Henning ,I (Ivan)	3	1280.8	1422.5	2	1276.1	1280.8	1	1177.6	1705.8	0	0	0
6	Otto ,X (Xavier)	3	3	425	0	0	0	3	3	425	0	0	0
6	Otto ,X (Xavier)	3	1177.8	1602.8	0	0	0	3	1190	1602.8	0	0	0
7	Lingenfelder ,S (Stephanus)	2	2	425	2	2	425	0	0	0	0	0	0
7	Lingenfelder ,S (Stephanus)	2	1272.3	1697.3	2	1258.6	1697.3	0	0	0	0	0	0
8	Avenant ,E (Ethan)	2	1	0	1	0	-425	1	1	425	0	0	0
8	Avenant ,E (Ethan)	2	1200.4	1200.4	1	1193.2	775.4	1	1210.2	1625.4	0	0	0
9	Barnard ,A (Adam)	2	1	0	1	0	-425	1	1	425	0	0	0
9	Barnard ,A (Adam)	2	1240.2	1240.2	1	1200	815.2	1	1188.8	1665.2	0	0	0
10	Van Der Walt ,R (Rocco)	2	0	-425	1	0	-425	1	0	-425	0	0	0
10	Van Der Walt ,R (Rocco)	2	1201.2	776.2	1	1177	776.2	1	1200	776.2	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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PLAYER PAGE

Personal

Buhr, W (Wilhelm)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms