Chess South Africa Ratings Database

PLAYER PAGE

Personal

Senekal, W (William)

Chess SA id

111086773

FIDE id

Date of birth

2011-07-01 (U16)

Gender

Male

Region

Tshwane (GTP)

Citizen

RSA

Titles

Chess SA registered

Last active game

2024-05-11

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1117.4	1103.6	637.2	500
Raw rating	1117.4	1103.6	637.2	500
Weighted rating	1116.3	1102.3	637.2	500
Weighted performance	796.7	789.5	0	0
Floor	664	656.8	500	500
K-factor	40	40	40	40
Min/Max rating change allowed	186.5	190.2	369.7	449.5
Highest rating	1200 2024-11-01	1200 2024-11-01	1200 2020-01-01	1200 2024-02-01
Highest raw rating	1164 2020-03-01	1156.8 2020-03-01	637.2 2024-02-01	500 2024-02-01
Highest weighted rating	1164 2024-11-01	1156.8 2024-11-01	637.2 2024-11-01	500 2024-11-01
Highest weighted performance	1200 2024-12-01	1200 2024-12-01	1200 2020-01-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1117.4	1103.6	637.2	500
Analysis
Rating	1117.4	1103.6	637.2	500
Raw rating	1117.4	1103.6	637.2	500
Weighted rating	1116.3	1102.3	637.2
Weighted performance	796.7	789.5	0
K-factor	40	40	40	40
Floor	664	656.8	500	500
Max/Min rating change allowed	186.5	190.2	369.7	449.5
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	1117.4	1103.6	637.2	500
New weighted rating	1116.6	1102.6	637.2	500
New weighted performance	796.4	789.2	0	0
Temp new rating	1117.4	1103.6	637.2	500
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1117.4	1103.6	637.2	500
New K-factor	40	40	40	40
New floor	664	656.8	500	500

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	5	5	0
	10	10	0
	32	25	7
	0	0	0
History	173	166	7

Games since
	Main 5	Standard 5		Rapid 0		Blitz 0
Gender	Male
Age group	U16
Region	Tshwane (GTP)
Province	Gauteng (GT)
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	152	58.5	38.49	-97.9	1127.8	1030
Standard	145	54.5	37.59	-105.5	1129.8	1024.2
Rapid	7	4	57.14	60.7	1087.7	1148.4
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1117.4	1103.6	637.2	500
2025-09-01	1117.4	1103.6	637.2	500
2025-08-01	1117.4	1103.6	637.2	500
2025-07-01	1117.4	1103.6	637.2	500
2025-06-01	1117.4	1103.6	637.2	500
2025-05-01	1117.4	1103.6	637.2	500
2025-04-01	1117.4	1103.6	637.2	500
2025-03-01	1117.4	1103.6	637.2	500
2025-02-01	1117.4	1103.6	637.2	500
2025-01-01	1117.4	1103.6	637.2	500
2024-12-01	1117.4	1103.6	637.2	500
2024-11-01	1117.4	1103.6	637.2	500
2024-10-01	1117.4	1103.6	637.2	500
2024-09-01	1117.4	1103.6	637.2	500
2024-08-01	1117.4	1103.6	637.2	500
2024-07-01	1117.4	1103.6	637.2	500
2024-06-01	1117.4	1103.6	637.2	500
2024-08-01	1105.8	1089.6	637.2	500
2024-04-01	1105.8	1089.6	637.2	500
2024-03-01	1105.8	1089.6	637.2	500
2024-02-01	1105.8	1089.6	637.2	500
2024-01-01	1105.8	1089.6	637.2	500
2023-12-01	1105.8	1089.6	637.2	500
2023-11-01	1105.8	1089.6	637.2	500

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	2024 Tshwane South School District CLOSED Individual Championships (U13 Mixed)	2024-05-11	2024-05-11	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
2	2023 Tshwane South School District CLOSED Individual Championships (U13 Open)	2023-04-22	2023-04-22	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
3	2023 Milos Ristic Open Tournament (D1)	2023-04-27	2023-04-27	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
4	D4 Play Offs 2022 (U11)	2022-07-30	2022-07-30	Standard	Tshwane (GTP)	5	5	0	Yes	Analysis
5	2022 Mid Gauteng Open (D)	2022-05-07	2022-05-07	Standard	Tshwane (GTP)	5	5	3.5	Yes	Analysis
6	2022 Silver Lakes Chess Club Open Chess Tournament (D)	2022-05-14	2022-05-14	Standard	Tshwane (GTP)	5	5	2.5	Yes	Analysis
7	D4 Individuals 2022 (U11 Open)	2022-04-23	2022-04-23	Rapid	Tshwane (GTP)	7	7	4	Yes	Analysis
8	2022 Lubowski Open Tournament (D)	2022-04-09	2022-04-10	Standard	Tshwane (GTP)	5	5	2.5	Yes	Analysis
9	Piet Robertse 2022 (C)	2022-02-05	2022-02-05	Standard	Tshwane (GTP)	5	5	0	Yes	Analysis
10	2020 Waterkloof Open (D)	2020-02-29	2020-03-01	Standard	Tshwane (GTP)	5	5	2.5	Yes	Analysis
11	2020 Piet Robbertse (D)	2020-01-31	2020-02-02	Standard	Cape Winelands (WCW)	5	5	3	Yes	Analysis
12	2020 Blou Bul (D)	2020-02-15	2020-02-15	Standard	Tshwane (GTP)	5	5	4	Yes	Analysis
13	2019 South African Junior Team Championships (U10B)	2020-01-08	2020-01-08	Standard	4 Knights (4K)	7	6	0	Yes	Analysis
14	2019 TC SAJCC Prep Tournament (C)	2019-11-30	2019-11-30	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
15	2019 Etienne Lewis Trials (U10 Boys)	2019-08-30	2019-09-01	Standard	Tshwane (GTP)	7	7	3	Yes	Analysis
16	2019 Mid-Gauteng Open (E)	2019-08-17	2019-08-17	Standard	Tshwane (GTP)	5	4	1	Yes	Analysis
17	2019 Alekhine Open (D)	2019-08-09	2019-08-10	Standard	Tshwane (GTP)	5	5	1	Yes	Analysis
18	2019 D4 Tshwane South Schools League Team Finals (U9)	2019-07-27	2019-07-27	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
19	2019 Waterkloof Open (E)	2019-03-02	2019-03-02	Standard	Tshwane (GTP)	5	5	2.5	Yes	Analysis
20	2019 Blou Bul (E)	2019-02-16	2019-02-16	Standard	Tshwane (GTP)	5	5	2.5	Yes	Analysis
21	2019 Piet Robbertse (Beginners)	2019-02-02	2019-02-03	Standard	Tshwane (GTP)	5	5	2.5	Yes	Analysis
22	2019 Constantia Park Open (E)	2019-02-09	2019-02-09	Standard	Tshwane (GTP)	5	5	2.5	Yes	Analysis
23	2019 Tshwane Chess Registration Tournament (E)	2019-01-26	2019-01-26	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
24	2018 Tshwane Inter Region (U8C)	2018-12-01	2018-12-01	Standard	Cape Town (WCT)	6	5	0.5	Yes	Analysis
25	South African Junior Team Championships 2018 (U8B+U8 Girls)	2018-12-16	2018-12-20	Standard	4 Knights (4K)	7	7	3.5	Yes	Analysis
26	2018 Etienne Lewis Trials (U8 Boys)	2018-08-31	2018-09-02	Standard	Tshwane (GTP)	7	7	1	Yes	Analysis
27	2018 Menlo Open Chess Tournament (E)	2018-07-21	2018-07-21	Standard	Tshwane (GTP)	5	4	2	Yes	Analysis
28	2018 Capablanca Swiss (D)	2018-04-27	2018-04-27	Standard	Tshwane (GTP)	5	4	0	Yes	Analysis
29	South African Junior Team Championships 2017 (U8B+U8 Girls)	2018-01-04	2018-01-08	Standard	4 Knights (4K)	7	6	2.5	Yes	Analysis

#	Games	Start				End
1	6	Tournament 2022 Mid Gauteng Open				Tournament 2022 Silver Lakes Chess Club Open Chess Tournament
		date 2022-05-07	rnd 2	type Standard	result 1	date 2022-05-14	rnd 2	type Standard	result 0.5
		Opponent Pistorius, A (Anabelle)				Opponent Jacobs, R (Rico)
2	6	Tournament 2020 Blou Bul				Tournament 2020 Waterkloof Open
		date 2020-02-15	rnd 3	type Standard	result 1	date 2020-02-29	rnd 3	type Standard	result 1
		Opponent Potgieter, A (Albert)				Opponent Van Der Merwe, R (Ruben)
3	4	Tournament 2019 Waterkloof Open				Tournament 2019 D4 Tshwane South Schools League Team Finals
		date 2019-03-02	rnd 3	type Standard	result 0.5	date 2019-07-27	rnd 1	type Standard	result 0.5
		Opponent Coetzee, M (Marko)				Opponent Jacobs, N (Nathan)

#	Games	Start				End
1	6	Tournament 2022 Mid Gauteng Open				Tournament 2022 Silver Lakes Chess Club Open Chess Tournament
		date 2022-05-07	rnd 2	type Standard	result 1	date 2022-05-14	rnd 2	type Standard	result 0.5
		Opponent Pistorius, A (Anabelle)				Opponent Jacobs, R (Rico)
2	6	Tournament 2020 Blou Bul				Tournament 2020 Waterkloof Open
		date 2020-02-15	rnd 3	type Standard	result 1	date 2020-02-29	rnd 3	type Standard	result 1
		Opponent Potgieter, A (Albert)				Opponent Van Der Merwe, R (Ruben)
3	4	Tournament 2019 Waterkloof Open				Tournament 2019 D4 Tshwane South Schools League Team Finals
		date 2019-03-02	rnd 3	type Standard	result 0.5	date 2019-07-27	rnd 1	type Standard	result 0.5
		Opponent Coetzee, M (Marko)				Opponent Jacobs, N (Nathan)

#	Games	Start				End
1	3	Tournament D4 Individuals 2022				Tournament D4 Individuals 2022
		date 2022-04-23	rnd 2	type Rapid	result 1	date 2022-04-23	rnd 4	type Rapid	result 1
		Opponent Ballot, S (Stefan Christopher)				Opponent Van Zyl, M (Marco)
2	1	Tournament D4 Individuals 2022				Tournament D4 Individuals 2022
		date 2022-04-23	rnd 7	type Rapid	result 1	date 2022-04-23	rnd 7	type Rapid	result 1
		Opponent Saaiman, M (Matthys)				Opponent Saaiman, M (Matthys)

No games found.

#	Games	Start				End

#	Games	Start				End
1	4	Tournament 2020 Blou Bul				Tournament 2020 Waterkloof Open
		date 2020-02-15	rnd 3	type Standard	result 1	date 2020-02-29	rnd 1	type Standard	result 1
		Opponent Potgieter, A (Albert)				Opponent Segale, T (Tshiamo)
2	3	Tournament D4 Individuals 2022				Tournament D4 Individuals 2022
		date 2022-04-23	rnd 2	type Rapid	result 1	date 2022-04-23	rnd 4	type Rapid	result 1
		Opponent Ballot, S (Stefan Christopher)				Opponent Van Zyl, M (Marco)
3	3	Tournament 2020 Piet Robbertse				Tournament 2020 Piet Robbertse
		date 2020-02-01	rnd 2	type Standard	result 1	date 2020-02-02	rnd 4	type Standard	result 1
		Opponent Kubheka, T (Thando)				Opponent Grahan, C (Chie-Ann)

#	Games	Start				End
1	4	Tournament 2020 Blou Bul				Tournament 2020 Waterkloof Open
		date 2020-02-15	rnd 3	type Standard	result 1	date 2020-02-29	rnd 1	type Standard	result 1
		Opponent Potgieter, A (Albert)				Opponent Segale, T (Tshiamo)
2	3	Tournament 2020 Piet Robbertse				Tournament 2020 Piet Robbertse
		date 2020-02-01	rnd 2	type Standard	result 1	date 2020-02-02	rnd 4	type Standard	result 1
		Opponent Kubheka, T (Thando)				Opponent Grahan, C (Chie-Ann)
3	2	Tournament 2023 Milos Ristic Open Tournament				Tournament 2023 Milos Ristic Open Tournament
		date 2023-04-27	rnd 3	type Standard	result 1	date 2023-04-27	rnd 4	type Standard	result 1
		Opponent Malongane, R (Rudzani)				Opponent Chatambudza, B (Bemjamin)

#	Games	Start				End
1	3	Tournament D4 Individuals 2022				Tournament D4 Individuals 2022
		date 2022-04-23	rnd 2	type Rapid	result 1	date 2022-04-23	rnd 4	type Rapid	result 1
		Opponent Ballot, S (Stefan Christopher)				Opponent Van Zyl, M (Marco)
2	1	Tournament D4 Individuals 2022				Tournament D4 Individuals 2022
		date 2022-04-23	rnd 7	type Rapid	result 1	date 2022-04-23	rnd 7	type Rapid	result 1
		Opponent Saaiman, M (Matthys)				Opponent Saaiman, M (Matthys)

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	Kubheka ,T (Thando)	3	1	-141.7	3	1	-141.7	0	0	0	0	0	0
1	Kubheka ,T (Thando)	3	1139.7	998.1	3	1133.3	998.1	0	0	0	0	0	0
2	Botha ,RMJ (Robert)	3	1	-141.7	3	1	-141.7	0	0	0	0	0	0
2	Botha ,RMJ (Robert)	3	1267.6	1126	3	1238.6	1126	0	0	0	0	0	0
3	Meades ,RA (Ruben Abraham)	2	0	-425	2	0	-425	0	0	0	0	0	0
3	Meades ,RA (Ruben Abraham)	2	1112.9	687.9	2	1092.8	687.9	0	0	0	0	0	0
4	Du Rand ,L (Lea)	2	2	425	2	2	425	0	0	0	0	0	0
4	Du Rand ,L (Lea)	2	1128.2	1553.2	2	1122.3	1553.2	0	0	0	0	0	0
5	Tennant ,N (Nathan)	2	0	-425	2	0	-425	0	0	0	0	0	0
5	Tennant ,N (Nathan)	2	1312.1	887.1	2	1302.7	887.1	0	0	0	0	0	0
6	Redelinghuys ,A (Ayden)	2	0	-425	2	0	-425	0	0	0	0	0	0
6	Redelinghuys ,A (Ayden)	2	1235.4	810.4	2	1219.7	810.4	0	0	0	0	0	0
7	Yang ,JD (Daniel)	2	0	-425	2	0	-425	0	0	0	0	0	0
7	Yang ,JD (Daniel)	2	1238.8	813.8	2	1228.2	813.8	0	0	0	0	0	0
8	Bloem ,R (Reinhardt)	2	1.5	212.5	2	1.5	212.5	0	0	0	0	0	0
8	Bloem ,R (Reinhardt)	2	1259.2	1471.7	2	1255.8	1471.7	0	0	0	0	0	0
9	Van Deventer ,J (Jonathan)	2	1.5	212.5	2	1.5	212.5	0	0	0	0	0	0
9	Van Deventer ,J (Jonathan)	2	1195.6	1408.1	2	1190	1408.1	0	0	0	0	0	0
10	Stols ,N (Nathan)	2	0	-425	2	0	-425	0	0	0	0	0	0
10	Stols ,N (Nathan)	2	1246.8	821.8	2	1256.4	821.8	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Senekal, W (William)

Ratings

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Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms