Chess South Africa Ratings Database

PLAYER PAGE

Personal

Bouwer, I (Ivan)

Chess SA id

1130301222

FIDE id

Date of birth

2013-06-11 (U14)

Gender

Male

Region

Ekurhuleni (GE)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-08-02

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1203.9	1187.9	1220.2	1200
Raw rating	1190.7	1187.9	1187.4	1200
Weighted rating	1203.9	1187.2	1220.2	1200
Weighted performance	0	0	0	0
Floor	721.6	700	728	700
K-factor	36	36	36	36
Min/Max rating change allowed	168	168.7	168.8	165.8
Highest rating	1296.9 2024-03-01	1200 2024-04-01	1329.4 2024-03-01	1200 2024-04-01
Highest raw rating	1221.6 2024-04-01	1200 2024-04-01	1228 2024-04-01	1200 2024-04-01
Highest weighted rating	1221.6 2024-04-01	1200 2024-04-01	1228 2024-10-01	1200 2024-04-01
Highest weighted performance	1296.9 2024-03-01	1200 2024-12-01	1329.4 2024-03-01	1200 2024-04-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	-1.1	0	-2.5	0
New rating	1202.8	1187.9	1217.7	1200
Analysis
Rating	1203.9	1187.9	1220.2	1200
Raw rating	1190.7	1187.9	1187.4	1200
Weighted rating	1203.9	1187.2	1220.2
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	721.6	700	728	700
Max/Min rating change allowed	168	168.7	168.8	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	1190.7	1187.9	1187.4	1200
New weighted rating	1202.8	1187.1	1217.7	1200
New weighted performance	0	0	0	0
Temp new rating	1202.8	1187.9	1217.7	1200
Temp new rating +/-	-1.1	0	-2.5	0
Final new rating +/-	-1.1	0	-2.5	0
New rating	1202.8	1187.9	1217.7	1200
New K-factor	36	36	36	36
New floor	721.6	700	728	700

Item	Main	Standard	Rapid
	0	0	0
	12	5	7
	10	5	5
	0	0	0
	0	0	0
	0	0	0
History	22	10	12

Games since
	Main 22	Standard 10		Rapid 12		Blitz 0
Gender	Male
Age group	U14
Region	Ekurhuleni (GE)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 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	12	4.5	37.5	-106.2	1227.1	1120.9
Standard	5	2	40	-85	1200	1115
Rapid	7	2.5	35.71	-121.4	1246.5	1125.1
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	22	9.5	43.18	-58	1238.9	1181
Standard	10	4	40	-85	1214.8	1129.8
Rapid	12	5.5	45.83	-35.4	1259	1223.6
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1190.7	1187.9	1187.4	1200
2025-09-01	1190.7	1187.9	1187.4	1200
2025-08-01	1206.2	1187.9	1228	1200
2025-07-01	1206.1	1187.9	1228	1200
2025-06-01	1205.9	1187.9	1228	1200
2025-05-01	1204.6	1187	1228	1200
2025-04-01	1206.7	1189	1228	1200
2025-03-01	1206.7	1189	1228	1200
2025-02-01	1206.7	1188.8	1228	1200
2025-01-01	1206.7	1182.8	1228	1200
2024-12-01	1206.7	1182.8	1228	1200
2024-11-01	1206.7	1182.8	1228	1200
2024-10-01	1206.7	1182.8	1228	1200
2024-09-01	1206.7	1182.8	1228	1200
2024-08-01	1206.7	1182.8	1228	1200
2024-07-01	1206.7	1182.8	1228	1200
2024-06-01	1206.7	1182.8	1228	1200
2024-08-01	1206.7	1182.8	1228	1200
2024-04-01	1221.6	1200	1228	1200
2024-03-01	1200	1200	1200	1200
2024-02-01	1200	1200	1200	1200
2024-01-01	1200	1200	1200	1200
2023-12-01	1200	1200	1200	1200
2023-11-01	1200	1200	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	Benoni Primary School Cluster Teams 2025 (U13A)	2025-08-02	2025-08-02	Rapid	Ekurhuleni (GE)	7	7	2.5	Yes	Analysis
2	Benoni Primary School Cluster 12 April 2025 (U13 Open)	2025-04-12	2025-04-12	Standard	Ekurhuleni (GE)	5	5	2	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Benoni Primary School Cluster Teams 2025 (U13A)	2025-08-02	2025-08-02	Rapid	Ekurhuleni (GE)	7	7	2.5	Yes	Analysis
2	Benoni Primary School Cluster 12 April 2025 (U13 Open)	2025-04-12	2025-04-12	Standard	Ekurhuleni (GE)	5	5	2	Yes	Analysis
3	Westwood Open 2024 (C)	2024-04-13	2024-04-13	Standard	Ekurhuleni (GE)	5	5	2	Yes	Analysis
4	Benoni Primary School Cluster Individuals 2024 (U11 Boys)	2024-03-09	2024-03-09	Rapid	Ekurhuleni (GE)	5	5	3	Yes	Analysis

#	Games	Start				End
1	3	Tournament Benoni Primary School Cluster Individuals 2024				Tournament Westwood Open 2024
		date 2024-03-09	rnd 4	type Rapid	result 1	date 2024-04-13	rnd 1	type Standard	result 1
		Opponent Botha, L (Louis)				Opponent Steyn, C (Cornelius)
2	2	Tournament Benoni Primary School Cluster Teams 2025				Tournament Benoni Primary School Cluster Teams 2025
		date 2025-08-02	rnd 3	type Rapid	result 1	date 2025-08-02	rnd 4	type Rapid	result 0.5
		Opponent Gouws, J (Julian)				Opponent Killian, A (Andreas)
3	1	Tournament Benoni Primary School Cluster Teams 2025				Tournament Benoni Primary School Cluster Teams 2025
		date 2025-08-02	rnd 6	type Rapid	result 0.5	date 2025-08-02	rnd 6	type Rapid	result 0.5
		Opponent Padi, K (Karabo)				Opponent Padi, K (Karabo)

#	Games	Start				End
1	1	Tournament Benoni Primary School Cluster 12 April 2025				Tournament Benoni Primary School Cluster 12 April 2025
		date 2025-04-12	rnd 4	type Standard	result 1	date 2025-04-12	rnd 4	type Standard	result 1
		Opponent Ndwama, M (Mutshidzi)				Opponent Ndwama, M (Mutshidzi)
2	1	Tournament Benoni Primary School Cluster 12 April 2025				Tournament Benoni Primary School Cluster 12 April 2025
		date 2025-04-12	rnd 1	type Standard	result 1	date 2025-04-12	rnd 1	type Standard	result 1
		Opponent Killian, A (Andreas)				Opponent Killian, A (Andreas)
3	1	Tournament Westwood Open 2024				Tournament Westwood Open 2024
		date 2024-04-13	rnd 3	type Standard	result 1	date 2024-04-13	rnd 3	type Standard	result 1
		Opponent Van Den Berg, L (Landon)				Opponent Van Den Berg, L (Landon)

#	Games	Start				End
1	3	Tournament Benoni Primary School Cluster Individuals 2024				Tournament Benoni Primary School Cluster Teams 2025
		date 2024-03-09	rnd 4	type Rapid	result 1	date 2025-08-02	rnd 1	type Rapid	result 0.5
		Opponent Botha, L (Louis)				Opponent Pillay, C (Caylee)
2	2	Tournament Benoni Primary School Cluster Teams 2025				Tournament Benoni Primary School Cluster Teams 2025
		date 2025-08-02	rnd 3	type Rapid	result 1	date 2025-08-02	rnd 4	type Rapid	result 0.5
		Opponent Gouws, J (Julian)				Opponent Killian, A (Andreas)
3	1	Tournament Benoni Primary School Cluster Teams 2025				Tournament Benoni Primary School Cluster Teams 2025
		date 2025-08-02	rnd 6	type Rapid	result 0.5	date 2025-08-02	rnd 6	type Rapid	result 0.5
		Opponent Padi, K (Karabo)				Opponent Padi, K (Karabo)

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament Benoni Primary School Cluster Individuals 2024				Tournament Westwood Open 2024
		date 2024-03-09	rnd 4	type Rapid	result 1	date 2024-04-13	rnd 1	type Standard	result 1
		Opponent Botha, L (Louis)				Opponent Steyn, C (Cornelius)
2	1	Tournament Benoni Primary School Cluster Teams 2025				Tournament Benoni Primary School Cluster Teams 2025
		date 2025-08-02	rnd 3	type Rapid	result 1	date 2025-08-02	rnd 3	type Rapid	result 1
		Opponent Gouws, J (Julian)				Opponent Gouws, J (Julian)
3	1	Tournament Benoni Primary School Cluster 12 April 2025				Tournament Benoni Primary School Cluster 12 April 2025
		date 2025-04-12	rnd 4	type Standard	result 1	date 2025-04-12	rnd 4	type Standard	result 1
		Opponent Ndwama, M (Mutshidzi)				Opponent Ndwama, M (Mutshidzi)

#	Games	Start				End
1	1	Tournament Benoni Primary School Cluster 12 April 2025				Tournament Benoni Primary School Cluster 12 April 2025
		date 2025-04-12	rnd 4	type Standard	result 1	date 2025-04-12	rnd 4	type Standard	result 1
		Opponent Ndwama, M (Mutshidzi)				Opponent Ndwama, M (Mutshidzi)
2	1	Tournament Benoni Primary School Cluster 12 April 2025				Tournament Benoni Primary School Cluster 12 April 2025
		date 2025-04-12	rnd 1	type Standard	result 1	date 2025-04-12	rnd 1	type Standard	result 1
		Opponent Killian, A (Andreas)				Opponent Killian, A (Andreas)
3	1	Tournament Westwood Open 2024				Tournament Westwood Open 2024
		date 2024-04-13	rnd 3	type Standard	result 1	date 2024-04-13	rnd 3	type Standard	result 1
		Opponent Van Den Berg, L (Landon)				Opponent Van Den Berg, L (Landon)

#	Games	Start				End
1	2	Tournament Benoni Primary School Cluster Individuals 2024				Tournament Benoni Primary School Cluster Individuals 2024
		date 2024-03-09	rnd 4	type Rapid	result 1	date 2024-03-09	rnd 5	type Rapid	result 1
		Opponent Botha, L (Louis)				Opponent Roets, J (Jaydon)
2	1	Tournament Benoni Primary School Cluster Teams 2025				Tournament Benoni Primary School Cluster Teams 2025
		date 2025-08-02	rnd 3	type Rapid	result 1	date 2025-08-02	rnd 3	type Rapid	result 1
		Opponent Gouws, J (Julian)				Opponent Gouws, J (Julian)
3	1	Tournament Benoni Primary School Cluster Individuals 2024				Tournament Benoni Primary School Cluster Individuals 2024
		date 2024-03-09	rnd 2	type Rapid	result 1	date 2024-03-09	rnd 2	type Rapid	result 1
		Opponent Smith, K (Kayleb)				Opponent Smith, K (Kayleb)

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	Killian ,A (Andreas)	2	1.5	212.5	1	1	425	1	0.5	0	0	0	0
1	Killian ,A (Andreas)	2	1199.8	1412.3	1	1200	1624.8	1	1200	1199.8	0	0	0
2	Nkukwana ,L (Lwanga)	2	0	-425	1	0	-425	1	0	-425	0	0	0
2	Nkukwana ,L (Lwanga)	2	1208.7	783.7	1	1200	783.7	1	1200	783.7	0	0	0
3	Van Der Westhuizen ,L (L-Ree)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Van Der Westhuizen ,L (L-Ree)	1	1157.3	732.3	1	1200	732.3	0	0	0	0	0	0
4	Nadeson ,T (Tyler)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Nadeson ,T (Tyler)	1	1200	775	1	1200	775	0	0	0	0	0	0
5	Steyn ,C (Cornelius)	1	1	425	1	1	425	0	0	0	0	0	0
5	Steyn ,C (Cornelius)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
6	Ndwama ,M (Mutshidzi)	1	1	425	1	1	425	0	0	0	0	0	0
6	Ndwama ,M (Mutshidzi)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
7	Singh ,D (Dhanav)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Singh ,D (Dhanav)	1	1200	775	1	1200	775	0	0	0	0	0	0
8	Venter ,L (Luan)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Venter ,L (Luan)	1	1371.9	946.9	1	1327.7	946.9	0	0	0	0	0	0
9	Van Den Berg ,L (Landon)	1	1	425	1	1	425	0	0	0	0	0	0
9	Van Den Berg ,L (Landon)	1	1085.6	1510.6	1	1050.3	1510.6	0	0	0	0	0	0
10	Van Dyk ,TM (Tayla Mila)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Van Dyk ,TM (Tayla Mila)	1	1333.6	908.6	1	1318.6	908.6	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

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PLAYER PAGE

Personal

Bouwer, I (Ivan)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms