Chess South Africa Ratings Database

PLAYER PAGE

Personal

Baartman, J (Jason)

Chess SA id

1080148003

FIDE id

Date of birth

2008-08-19 (U20)

Gender

Male

Region

West Coast (WCU)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-11-29

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1243.5	1173.8	1273	1186.8
Raw rating	1199.7	1173.8	1205.9	1186.8
Weighted rating	1243.5	1173.4	1273	1185.6
Weighted performance	936.2	0	1013	0
Floor	769.5	700	821.5	700
K-factor	36	36	36	36
Min/Max rating change allowed	165.9	172.1	164.4	169
Highest rating	1367.8 2022-11-01	1200 2018-10-01	1425.6 2022-11-01	1200 2018-10-01
Highest raw rating	1269.5 2024-06-01	1200 2020-01-01	1321.5 2024-06-01	1200 2024-02-01
Highest weighted rating	1254.9 2025-08-01	1200 2018-10-01	1292 2025-08-01	1200 2018-10-01
Highest weighted performance	1367.8 2022-11-01	1200 2020-01-01	1425.6 2022-11-01	1200 2020-01-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	-3.8	0	-5.9	0
New rating	1239.7	1173.8	1267.1	1186.8
Analysis
Rating	1243.5	1173.8	1273	1186.8
Raw rating	1199.7	1173.8	1205.9	1186.8
Weighted rating	1243.5	1173.4	1273
Weighted performance	936.2	0	1013
K-factor	36	36	36	36
Floor	769.5	700	821.5	700
Max/Min rating change allowed	165.9	172.1	164.4	169
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	1199.7	1173.8	1205.9	1186.8
New weighted rating	1239.7	1173.5	1267.1	1185.7
New weighted performance	929.4	0	1005.7	0
Temp new rating	1239.7	1173.8	1267.1	1186.8
Temp new rating +/-	-3.8	0	-5.9	0
Final new rating +/-	-3.8	0	-5.9	0
New rating	1239.7	1173.8	1267.1	1186.8
New K-factor	36	36	36	36
New floor	769.5	700	821.5	700

Item	Main	Standard	Rapid	Blitz
	0	0	0	0
	4	0	4	0
	29	0	11	18
	19	4	15	0
	4	0	4	0
	0	0	0	0
History	56	4	34	18

Games since
	Main 33	Standard 0		Rapid 15		Blitz 18
Gender	Male
Age group	U18
Region	West Coast (WCU)
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	529		192		18
Male	464		171		14
U18	69		21		7
U18 Male	60		17		6


	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	4	0	0	-425	1283.6	858.6
Standard	0	0	0	0	0	0
Rapid	4	0	0	-425	1283.6	858.6
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	56	27	48.21	-15.2	1262.5	1247.3
Standard	4	1	25	-212.5	1297.5	1085
Rapid	34	18	52.94	25	1247	1272
Blitz	18	8	44.44	-47.2	1283.9	1236.7

Date	Main	Standard	Rapid	Blitz
2026-01-01	1199.7	1173.8	1205.9	1186.8
2025-11-30	1215.4	1173.8	1227.9	1186.8
2025-11-01	1215.4	1173.8	1227.9	1186.8
2025-09-30	1215.4	1173.8	1227.9	1186.8
2025-09-01	1258	1173.8	1295.2	1186.8
2025-08-01	1258	1173.8	1295.2	1186.8
2025-07-01	1258	1173.8	1295.2	1186.8
2025-06-01	1258	1173.8	1295.2	1186.8
2025-05-01	1258	1173.8	1295.2	1186.8
2025-04-01	1258	1173.8	1295.2	1186.8
2025-03-01	1258	1173.8	1295.2	1186.8
2025-02-01	1258	1173.8	1295.2	1186.8
2025-01-01	1258	1172.4	1295.2	1182.7
2024-12-01	1258	1172.4	1295.2	1182.7
2024-11-01	1258	1172.4	1295.2	1182.7
2024-10-01	1258	1172.4	1295.2	1182.7
2024-09-01	1258	1172.4	1295.2	1182.7
2024-11-01	1258	1172.4	1295.2	1182.7
2024-07-01	1258	1172.4	1295.2	1182.7
2024-06-01	1269.5	1172.4	1321.5	1182.7
2024-05-01	1244.7	1172.4	1291.3	1149.6
2024-04-01	1233.6	1172.4	1262.5	1197.1
2024-03-01	1233.6	1172.4	1262.5	1197.1
2024-02-01	1231.9	1172.4	1262.5	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	WCSC Brian Raubenheimer Development 2025 (U17 Boys+Girls)	2025-11-29	2025-11-29	Rapid	Cape Winelands (WCW)	5	5	2	Yes	Analysis
2	Basil Ellman Annual Rapid 2025 (Seniors)	2025-09-20	2025-09-20	Rapid	West Coast (WCU)	5	4	0	Yes	Analysis
3	Lambertsbay Youth Open 2024 (Elite)	2024-06-17	2024-06-17	Rapid	West Coast (WCU)	5	4	1	Yes	Analysis
4	Deep Blue CC May Blitz 2024	2024-05-22	2024-05-22	Blitz	West Coast (WCU)	7	7	4	Yes	Analysis
5	Lower West Top Schools 2024 (U15)	2024-05-11	2024-05-11	Rapid	West Coast (WCU)	5	2	2	Yes	Analysis
6	Deep Blue Open 2024 (Advanced)	2024-04-13	2024-04-13	Rapid	West Coast (WCU)	5	5	3	Yes	Analysis
7	Deep Blue March Blitz 2024	2024-03-27	2024-03-27	Blitz	West Coast (WCU)	5	5	1	Yes	Analysis
8	Deep Blue February Blitz Juniors 2024	2024-02-28	2024-02-28	Blitz	West Coast (WCU)	7	6	3	Yes	Analysis
9	Deep Blue Open Team 2023	2023-11-04	2023-11-04	Rapid	West Coast (WCU)	5	5	3	Yes	Analysis
10	Basil Ellman Rapid 2023 (B)	2023-09-30	2023-09-30	Rapid	West Coast (WCU)	5	5	3	Yes	Analysis
11	CW Top Schools 2023 (Intermediate)	2023-08-12	2023-08-12	Standard	West Coast (WCU)	5	4	1	Yes	Analysis
12	Genesis Chess Club Open 2023 (C)	2023-02-04	2023-02-04	Rapid	West Coast (WCU)	5	5	3	Yes	Analysis
13	West Coast Open 2022 (C)	2022-11-05	2022-11-05	Rapid	West Coast (WCU)	5	4	3	Yes	Analysis

#	Games	Start				End
1	6	Tournament West Coast Open 2022				Tournament Genesis Chess Club Open 2023
		date 2022-11-05	rnd 2	type Rapid	result 1	date 2023-02-04	rnd 3	type Rapid	result 1
		Opponent Mckay, M (Matthew)				Opponent Hengson, P (Peter John)
2	4	Tournament Deep Blue Open 2024				Tournament Lower West Top Schools 2024
		date 2024-04-13	rnd 4	type Rapid	result 1	date 2024-05-11	rnd 5	type Rapid	result 1
		Opponent Adams, E (El-Linio)				Opponent Elliott, M (Matayo)
3	3	Tournament Deep Blue CC May Blitz 2024				Tournament Deep Blue CC May Blitz 2024
		date 2024-05-22	rnd 5	type Blitz	result 1	date 2024-05-22	rnd 7	type Blitz	result 1
		Opponent Siebritz, N (Noelle)				Opponent Kujinga, T (Tawanayasha)

#	Games	Start				End
1	1	Tournament CW Top Schools 2023				Tournament CW Top Schools 2023
		date 2023-08-12	rnd 3	type Standard	result 1	date 2023-08-12	rnd 3	type Standard	result 1
		Opponent Coetzee, M (Micayla)				Opponent Coetzee, M (Micayla)

#	Games	Start				End
1	6	Tournament West Coast Open 2022				Tournament Genesis Chess Club Open 2023
		date 2022-11-05	rnd 2	type Rapid	result 1	date 2023-02-04	rnd 3	type Rapid	result 1
		Opponent Mckay, M (Matthew)				Opponent Hengson, P (Peter John)
2	4	Tournament Deep Blue Open 2024				Tournament Lower West Top Schools 2024
		date 2024-04-13	rnd 4	type Rapid	result 1	date 2024-05-11	rnd 5	type Rapid	result 1
		Opponent Adams, E (El-Linio)				Opponent Elliott, M (Matayo)
3	3	Tournament Deep Blue Open Team 2023				Tournament Deep Blue Open Team 2023
		date 2023-11-04	rnd 3	type Rapid	result 1	date 2023-11-04	rnd 5	type Rapid	result 1
		Opponent Hendricks, W (Willow)				Opponent Ellman, A (Andries)

#	Games	Start				End
1	3	Tournament Deep Blue CC May Blitz 2024				Tournament Deep Blue CC May Blitz 2024
		date 2024-05-22	rnd 5	type Blitz	result 1	date 2024-05-22	rnd 7	type Blitz	result 1
		Opponent Siebritz, N (Noelle)				Opponent Kujinga, T (Tawanayasha)
2	3	Tournament Deep Blue February Blitz Juniors 2024				Tournament Deep Blue February Blitz Juniors 2024
		date 2024-02-28	rnd 3	type Blitz	result 1	date 2024-02-28	rnd 5	type Blitz	result 1
		Opponent Marinus, M (Madison)				Opponent Ellman, A (Andries)
3	1	Tournament Deep Blue CC May Blitz 2024				Tournament Deep Blue CC May Blitz 2024
		date 2024-05-22	rnd 2	type Blitz	result 1	date 2024-05-22	rnd 2	type Blitz	result 1
		Opponent Khosa, L (Lwandle)				Opponent Khosa, L (Lwandle)

#	Games	Start				End
1	6	Tournament West Coast Open 2022				Tournament Genesis Chess Club Open 2023
		date 2022-11-05	rnd 2	type Rapid	result 1	date 2023-02-04	rnd 3	type Rapid	result 1
		Opponent Mckay, M (Matthew)				Opponent Hengson, P (Peter John)
2	4	Tournament Deep Blue Open 2024				Tournament Lower West Top Schools 2024
		date 2024-04-13	rnd 4	type Rapid	result 1	date 2024-05-11	rnd 5	type Rapid	result 1
		Opponent Adams, E (El-Linio)				Opponent Elliott, M (Matayo)
3	3	Tournament Deep Blue CC May Blitz 2024				Tournament Deep Blue CC May Blitz 2024
		date 2024-05-22	rnd 5	type Blitz	result 1	date 2024-05-22	rnd 7	type Blitz	result 1
		Opponent Siebritz, N (Noelle)				Opponent Kujinga, T (Tawanayasha)

#	Games	Start				End
1	1	Tournament CW Top Schools 2023				Tournament CW Top Schools 2023
		date 2023-08-12	rnd 3	type Standard	result 1	date 2023-08-12	rnd 3	type Standard	result 1
		Opponent Coetzee, M (Micayla)				Opponent Coetzee, M (Micayla)

#	Games	Start				End
1	6	Tournament West Coast Open 2022				Tournament Genesis Chess Club Open 2023
		date 2022-11-05	rnd 2	type Rapid	result 1	date 2023-02-04	rnd 3	type Rapid	result 1
		Opponent Mckay, M (Matthew)				Opponent Hengson, P (Peter John)
2	4	Tournament Deep Blue Open 2024				Tournament Lower West Top Schools 2024
		date 2024-04-13	rnd 4	type Rapid	result 1	date 2024-05-11	rnd 5	type Rapid	result 1
		Opponent Adams, E (El-Linio)				Opponent Elliott, M (Matayo)
3	3	Tournament Deep Blue Open Team 2023				Tournament Deep Blue Open Team 2023
		date 2023-11-04	rnd 3	type Rapid	result 1	date 2023-11-04	rnd 5	type Rapid	result 1
		Opponent Hendricks, W (Willow)				Opponent Ellman, A (Andries)

#	Games	Start				End
1	3	Tournament Deep Blue CC May Blitz 2024				Tournament Deep Blue CC May Blitz 2024
		date 2024-05-22	rnd 5	type Blitz	result 1	date 2024-05-22	rnd 7	type Blitz	result 1
		Opponent Siebritz, N (Noelle)				Opponent Kujinga, T (Tawanayasha)
2	3	Tournament Deep Blue February Blitz Juniors 2024				Tournament Deep Blue February Blitz Juniors 2024
		date 2024-02-28	rnd 3	type Blitz	result 1	date 2024-02-28	rnd 5	type Blitz	result 1
		Opponent Marinus, M (Madison)				Opponent Ellman, A (Andries)
3	1	Tournament Deep Blue CC May Blitz 2024				Tournament Deep Blue CC May Blitz 2024
		date 2024-05-22	rnd 2	type Blitz	result 1	date 2024-05-22	rnd 2	type Blitz	result 1
		Opponent Khosa, L (Lwandle)				Opponent Khosa, L (Lwandle)

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	Siebritz ,N (Noelle)	3	2	141.7	0	0	0	2	1	0	1	1	425
1	Siebritz ,N (Noelle)	3	1208.9	1350.5	0	0	0	2	1283.4	1208.9	1	1110	1633.9
2	Ellman ,A (Andries)	3	3	425	0	0	0	1	1	425	2	2	425
2	Ellman ,A (Andries)	3	1214	1639	0	0	0	1	1241.9	1639	2	1095	1639
3	Stoffberg ,M (Mikaeel)	3	0	-425	0	0	0	1	0	-425	2	0	-425
3	Stoffberg ,M (Mikaeel)	3	1221.9	796.9	0	0	0	1	1164.6	796.9	2	1230	796.9
4	Wehr ,C (Corbin)	3	0	-425	0	0	0	0	0	0	3	0	-425
4	Wehr ,C (Corbin)	3	1402.5	977.5	0	0	0	0	0	0	3	1225.6	977.5
5	Ellman ,A (Anne-Belle)	3	0	-425	0	0	0	0	0	0	3	0	-425
5	Ellman ,A (Anne-Belle)	3	1399.9	974.9	0	0	0	0	0	0	3	1290.9	974.9
6	Maarman ,L (Luciano)	2	1	0	0	0	0	2	1	0	0	0	0
6	Maarman ,L (Luciano)	2	1200.8	1200.8	0	0	0	2	1214.7	1200.8	0	0	0
7	Kujinga ,T (Tawananyasha)	2	1	0	0	0	0	1	0	-425	1	1	425
7	Kujinga ,T (Tawananyasha)	2	1438.1	1438.1	0	0	0	1	1465.1	1013.1	1	1275.6	1863.1
8	Khosa ,L (Lwandle)	2	2	425	0	0	0	0	0	0	2	2	425
8	Khosa ,L (Lwandle)	2	1169.8	1594.8	0	0	0	0	0	0	2	1171.9	1594.8
9	Marinus ,M (Madison)	2	1	0	0	0	0	0	0	0	2	1	0
9	Marinus ,M (Madison)	2	1259.6	1259.6	0	0	0	0	0	0	2	1178.9	1259.6
10	Coetzee ,M (Micayla)	1	1	425	1	1	425	0	0	0	0	0	0
10	Coetzee ,M (Micayla)	1	1200	1625	1	1200	1625	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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PLAYER PAGE

Personal

Baartman, J (Jason)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms