Chess South Africa Ratings Database

PLAYER PAGE

Personal

Van Deventer, P (Piet)

Chess SA id

1090108550

FIDE id

Date of birth

2009-03-30 (U18)

Gender

Male

Region

Eden (WEG)

Citizen

RSA

Titles

Chess SA registered

Last active game

2023-03-02

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1255.8	1234.1	1208	1200
Raw rating	1255.8	1234.1	1208	1200
Weighted rating	1255.8	1234.1	1208	1200
Weighted performance	770.9	731.5	0	0
Floor	797.4	817.5	708	700
K-factor	36	36	36	36
Min/Max rating change allowed	153.1	158	163.9	165.8
Highest rating	1301.3 2022-03-01	1317.5 2022-04-01	1208 2024-10-01	1200 2018-10-01
Highest raw rating	1297.4 2022-04-01	1317.5 2022-04-01	1208 2024-02-01	1200 2024-02-01
Highest weighted rating	1297.4 2023-12-01	1317.5 2022-08-01	1208 2024-10-01	1200 2018-10-01
Highest weighted performance	1301.3 2022-03-01	1277.2 2022-03-01	1206.5 2022-10-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1255.8	1234.1	1208	1200
Analysis
Rating	1255.8	1234.1	1208	1200
Raw rating	1255.8	1234.1	1208	1200
Weighted rating	1255.8	1234.1	1208
Weighted performance	770.9	731.5	0
K-factor	36	36	36	36
Floor	797.4	817.5	708	700
Max/Min rating change allowed	153.1	158	163.9	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	1255.8	1234.1	1208	1200
New weighted rating	1255.8	1234.1	1208	1200
New weighted performance	770.5	731.1	0	0
Temp new rating	1255.8	1234.1	1208	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1255.8	1234.1	1208	1200
New K-factor	36	36	36	36
New floor	797.4	817.5	708	700

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	0	0	0
	6	6	0
	24	19	5
	4	0	4
History	79	70	9

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	U18
Region	Eden (WEG)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 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	79	41.5	52.53	21.5	1190.9	1212.4
Standard	70	36.5	52.14	18.2	1179.8	1198
Rapid	9	5	55.56	47.2	1277.3	1324.6
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1255.8	1234.1	1208	1200
2025-09-01	1255.8	1234.1	1208	1200
2025-08-01	1255.8	1234.1	1208	1200
2025-07-01	1255.8	1234.1	1208	1200
2025-06-01	1255.8	1234.1	1208	1200
2025-05-01	1255.8	1234.1	1208	1200
2025-04-01	1255.8	1234.1	1208	1200
2025-03-01	1255.8	1234.1	1208	1200
2025-02-01	1255.8	1234.1	1208	1200
2025-01-01	1255.8	1234.1	1208	1200
2024-12-01	1255.8	1234.1	1208	1200
2024-11-01	1255.8	1234.1	1208	1200
2024-10-01	1255.8	1234.1	1208	1200
2024-09-01	1255.8	1234.1	1208	1200
2024-08-01	1255.8	1234.1	1208	1200
2024-07-01	1255.8	1234.1	1208	1200
2024-06-01	1255.8	1234.1	1208	1200
2024-08-01	1255.8	1234.1	1208	1200
2024-04-01	1255.8	1234.1	1208	1200
2024-03-01	1255.8	1234.1	1208	1200
2024-02-01	1255.8	1234.1	1208	1200
2024-01-01	1255.8	1234.1	1208	1200
2023-12-01	1255.8	1234.1	1208	1200
2023-11-01	1255.8	1234.1	1208	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	Ho�r Landbouskool Oakdale 2023	2023-03-02	2023-03-02	Standard	Eden (WEG)	6	6	3.5	Yes	Analysis
2	Hessequa Ontwikkeling 2022 (Laerskole)	2022-10-22	2022-10-22	Rapid	Eden (WEG)	5	5	4	Yes	Analysis
3	Eden Topskole 2022 (O13 Ope)	2022-08-13	2022-08-13	Standard	Eden (WEG)	5	4	0.5	Yes	Analysis
4	Eden Proewe 2 2022 (O13 Seuns)	2022-04-09	2022-04-09	Standard	Eden (WEG)	5	5	2	Yes	Analysis
5	Eden Proewe 1 2022 (O13 Seuns)	2022-03-12	2022-03-12	Standard	Eden (WEG)	5	5	3	Yes	Analysis
6	Hessequa Proewe 1 2022 (O13 Seuns)	2022-01-29	2022-01-29	Standard	Eden (WEG)	5	5	5	Yes	Analysis
7	Eden Proewe 2021 (O13 Seuns)	2021-10-15	2021-10-15	Rapid	Eden (WEG)	5	4	1	Yes	Analysis
8	Eden Schools Closed Trials 1 2020 (U11 Boys)	2020-03-07	2020-03-07	Standard	Eden (WEG)	5	5	2.5	Yes	Analysis
9	Hessequa Skaak Proewe 1 2020 (O11 Seuns)	2020-02-01	2020-02-01	Standard	Eden (WEG)	5	5	4	Yes	Analysis
10	Hessequa Ontwikkelings Toernooi 2019 (B)	2019-11-01	2019-11-01	Standard	Eden (WEG)	6	6	3	Yes	Analysis
11	Eden Trials 3 2019 (U12 Open)	2019-05-11	2019-05-11	Standard	Eden (WEG)	5	5	2	Yes	Analysis
12	Eden Trials 2 2019 (U12 Open)	2019-04-13	2019-04-13	Standard	Eden (WEG)	5	5	3	Yes	Analysis
13	Eden Trials 1 2019 (U12 Open)	2019-03-02	2019-03-02	Standard	Eden (WEG)	5	5	1.5	Yes	Analysis
14	Hessequa Proewe 3 2019 (O12)	2019-02-23	2019-02-23	Standard	Eden (WEG)	5	5	3.5	Yes	Analysis
15	Hessequa Proewe 2 2019 (O12)	2019-02-16	2019-02-16	Standard	Eden (WEG)	5	5	2	Yes	Analysis
16	Hessequa Proewe 1 2019 (O12)	2019-01-26	2019-01-26	Standard	Eden (WEG)	5	4	1	Yes	Analysis

#	Games	Start				End
1	7	Tournament Eden Proewe 2021				Tournament Eden Proewe 1 2022
		date 2021-10-15	rnd 5	type Rapid	result 1	date 2022-03-12	rnd 1	type Standard	result 1
		Opponent Scholtz, H (Hanko)				Opponent Jullies, J (Jaydin)
2	4	Tournament Eden Topskole 2022				Tournament Hessequa Ontwikkeling 2022
		date 2022-08-13	rnd 5	type Standard	result 0.5	date 2022-10-22	rnd 3	type Rapid	result 1
		Opponent Fourie, L (Loftie)				Opponent Windvogel, P (Paulene)
3	3	Tournament Hessequa Ontwikkeling 2022				Tournament Ho�r Landbouskool Oakdale 2023
		date 2022-10-22	rnd 5	type Rapid	result 1	date 2023-02-25	rnd 2	type Standard	result 1
		Opponent Van Zyl, L (Lisa)				Opponent Van Rhyn, P (Pieter-Ben)

#	Games	Start				End
1	6	Tournament Hessequa Proewe 1 2022				Tournament Eden Proewe 1 2022
		date 2022-01-29	rnd 1	type Standard	result 1	date 2022-03-12	rnd 1	type Standard	result 1
		Opponent Adams, L (Lincoln)				Opponent Jullies, J (Jaydin)
2	3	Tournament Eden Topskole 2022				Tournament Ho�r Landbouskool Oakdale 2023
		date 2022-08-13	rnd 5	type Standard	result 0.5	date 2023-02-25	rnd 2	type Standard	result 1
		Opponent Fourie, L (Loftie)				Opponent Van Rhyn, P (Pieter-Ben)
3	3	Tournament Eden Schools Closed Trials 1 2020				Tournament Eden Schools Closed Trials 1 2020
		date 2020-03-07	rnd 2	type Standard	result 1	date 2020-03-07	rnd 4	type Standard	result 1
		Opponent Daniels, C (Colsten)				Opponent Jansen Van Rensburg, Z (Zandre)

#	Games	Start				End
1	4	Tournament Eden Proewe 2021				Tournament Hessequa Ontwikkeling 2022
		date 2021-10-15	rnd 5	type Rapid	result 1	date 2022-10-22	rnd 3	type Rapid	result 1
		Opponent Scholtz, H (Hanko)				Opponent Windvogel, P (Paulene)
2	1	Tournament Hessequa Ontwikkeling 2022				Tournament Hessequa Ontwikkeling 2022
		date 2022-10-22	rnd 5	type Rapid	result 1	date 2022-10-22	rnd 5	type Rapid	result 1
		Opponent Van Zyl, L (Lisa)				Opponent Van Zyl, L (Lisa)

No games found.

#	Games	Start				End

#	Games	Start				End
1	7	Tournament Eden Proewe 2021				Tournament Eden Proewe 1 2022
		date 2021-10-15	rnd 5	type Rapid	result 1	date 2022-03-12	rnd 1	type Standard	result 1
		Opponent Scholtz, H (Hanko)				Opponent Jullies, J (Jaydin)
2	3	Tournament Hessequa Ontwikkeling 2022				Tournament Ho�r Landbouskool Oakdale 2023
		date 2022-10-22	rnd 5	type Rapid	result 1	date 2023-02-25	rnd 2	type Standard	result 1
		Opponent Van Zyl, L (Lisa)				Opponent Van Rhyn, P (Pieter-Ben)
3	3	Tournament Hessequa Ontwikkeling 2022				Tournament Hessequa Ontwikkeling 2022
		date 2022-10-22	rnd 1	type Rapid	result 1	date 2022-10-22	rnd 3	type Rapid	result 1
		Opponent Green, J (Joshrin)				Opponent Windvogel, P (Paulene)

#	Games	Start				End
1	6	Tournament Hessequa Proewe 1 2022				Tournament Eden Proewe 1 2022
		date 2022-01-29	rnd 1	type Standard	result 1	date 2022-03-12	rnd 1	type Standard	result 1
		Opponent Adams, L (Lincoln)				Opponent Jullies, J (Jaydin)
2	2	Tournament Ho�r Landbouskool Oakdale 2023				Tournament Ho�r Landbouskool Oakdale 2023
		date 2023-02-25	rnd 1	type Standard	result 1	date 2023-02-25	rnd 2	type Standard	result 1
		Opponent Van Der Heyde, M (Marno)				Opponent Van Rhyn, P (Pieter-Ben)
3	2	Tournament Eden Proewe 1 2022				Tournament Eden Proewe 2 2022
		date 2022-03-12	rnd 5	type Standard	result 1	date 2022-04-09	rnd 1	type Standard	result 1
		Opponent Botha, M (Mcearlin)				Opponent Botha, J (Josephnique)

#	Games	Start				End
1	4	Tournament Eden Proewe 2021				Tournament Hessequa Ontwikkeling 2022
		date 2021-10-15	rnd 5	type Rapid	result 1	date 2022-10-22	rnd 3	type Rapid	result 1
		Opponent Scholtz, H (Hanko)				Opponent Windvogel, P (Paulene)
2	1	Tournament Hessequa Ontwikkeling 2022				Tournament Hessequa Ontwikkeling 2022
		date 2022-10-22	rnd 5	type Rapid	result 1	date 2022-10-22	rnd 5	type Rapid	result 1
		Opponent Van Zyl, L (Lisa)				Opponent Van Zyl, L (Lisa)

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	Herman ,L (Leigh-Ray)	3	0	-425	3	0	-425	0	0	0	0	0	0
1	Herman ,L (Leigh-Ray)	3	1363.1	938.1	3	1360.7	938.1	0	0	0	0	0	0
2	Eksteen ,L (Leigh Quin)	3	0	-425	3	0	-425	0	0	0	0	0	0
2	Eksteen ,L (Leigh Quin)	3	1164.4	739.4	3	1152.7	739.4	0	0	0	0	0	0
3	Law ,E (Ethan)	2	1	0	2	1	0	0	0	0	0	0	0
3	Law ,E (Ethan)	2	1051.6	1051.6	2	1090	1051.6	0	0	0	0	0	0
4	Meyer ,M (Marsouw)	2	0	-425	2	0	-425	0	0	0	0	0	0
4	Meyer ,M (Marsouw)	2	1210.1	785.1	2	1208.4	785.1	0	0	0	0	0	0
5	Hintza ,B (Brenfrudt)	2	2	425	2	2	425	0	0	0	0	0	0
5	Hintza ,B (Brenfrudt)	2	1089.7	1514.7	2	1090.6	1514.7	0	0	0	0	0	0
6	Daniels ,C (Colsten)	2	1	0	2	1	0	0	0	0	0	0	0
6	Daniels ,C (Colsten)	2	1242.7	1242.7	2	1247.6	1242.7	0	0	0	0	0	0
7	Booysen ,L (Lukas)	2	0	-425	2	0	-425	0	0	0	0	0	0
7	Booysen ,L (Lukas)	2	1460.2	1035.2	2	1460.2	1035.2	0	0	0	0	0	0
8	Mulder ,J (Juncoe)	2	1	0	2	1	0	0	0	0	0	0	0
8	Mulder ,J (Juncoe)	2	1188.3	1188.3	2	1172.2	1188.3	0	0	0	0	0	0
9	Saaiman ,L (Luwayden)	2	1	0	2	1	0	0	0	0	0	0	0
9	Saaiman ,L (Luwayden)	2	1192.7	1192.7	2	1189.2	1192.7	0	0	0	0	0	0
10	Mouton ,X (Xillery)	2	1.5	212.5	2	1.5	212.5	0	0	0	0	0	0
10	Mouton ,X (Xillery)	2	1203.2	1415.7	2	1202.8	1415.7	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

Van Deventer, P (Piet)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms