Chess South Africa Ratings Database

PLAYER PAGE

Personal

Bouwer, R (Ruben)

Chess SA id

108070881

FIDE id

Date of birth

2008-08-08 (U18)

Gender

Male

Region

Nelson Mandela Bay (ENM)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-06-14

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

1302.4

Item	Main	Standard	Rapid	Blitz
Rating	1386.8	1382.7	737.6	657.6
Raw rating	1386.7	1382.6	737.6	657.6
Weighted rating	1386.8	1382.7	723.3	657.6
Weighted performance	1265.8	1261.4	0	0
Floor	917.7	917.1	500	500
K-factor	32	32	40	40
Min/Max rating change allowed	127.1	127.8	320.4	359.1
Highest rating	1432.5 2023-11-01	1432 2023-11-01	1246.7 2023-07-01	1200 2020-01-01
Highest raw rating	1417.7 2024-02-01	1417.1 2024-02-01	737.6 2024-07-01	657.6 2024-02-01
Highest weighted rating	1417.7 2025-06-01	1417.1 2025-06-01	737.6 2024-11-01	657.6 2024-11-01
Highest weighted performance	1432.5 2023-11-01	1432 2023-11-01	1246.7 2023-07-01	1200 2020-01-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	-0.1	-0.1	0	0
New rating	1386.7	1382.6	737.6	657.6
Analysis
Rating	1386.8	1382.7	737.6	657.6
Raw rating	1386.7	1382.6	737.6	657.6
Weighted rating	1386.8	1382.7	723.3
Weighted performance	1265.8	1261.4	0
K-factor	32	32	40	40
Floor	917.7	917.1	500	500
Max/Min rating change allowed	127.1	127.8	320.4	359.1
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	1386.7	1382.6	737.6	657.6
New weighted rating	1386.5	1382.5	726.5	657.6
New weighted performance	1265.3	1260.9	0	0
Temp new rating	1386.7	1382.6	737.6	657.6
Temp new rating +/-	-0.1	-0.1	0	0
Final new rating +/-	-0.1	-0.1	0	0
New rating	1386.7	1382.6	737.6	657.6
New K-factor	32	32	40	40
New floor	917.7	917.1	500	500

Item	Main	Standard	Rapid	Blitz
	0	0	0	0
	24	24	0	0
	35	29	6	0
	65	50	6	9
	34	34	0	0
	0	0	0	0
History	168	137	22	9

Games since
	Main 73	Standard 67		Rapid 6		Blitz 0
Gender	Male
Age group	U18
Region	Nelson Mandela Bay (ENM)
Province	Eastern Cape (EC)
Main
	RSA		Province		Region
Overall	2314		309		104
Male	1890		264		89
U18	367		43		11
U18 Male	314		41		11
Standard
	RSA		Province		Region
Overall	2234		301		104
Male	1825		255		88
U18	373		45		10
U18 Male	323		42		10
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	24	13.5	56.25	53.1	1326	1379.2
Standard	24	13.5	56.25	53.1	1326	1379.2
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	158	86.5	54.75	40.3	1291.7	1332
Standard	137	76.5	55.84	49.6	1285	1334.7
Rapid	12	6	50	0	1356.2	1356.2
Blitz	9	4	44.44	-47.2	1306.9	1259.7

Date	Main	Standard	Rapid	Blitz
2025-09-30	1386.7	1382.6	737.6	657.6
2025-09-01	1386.7	1382.6	737.6	657.6
2025-08-01	1386.7	1382.6	737.6	657.6
2025-07-01	1384.6	1380.1	737.6	657.6
2025-06-01	1408.6	1407.9	737.6	657.6
2025-05-01	1411	1411.9	737.6	657.6
2025-04-01	1395	1394.2	737.6	657.6
2025-03-01	1376.7	1372.2	737.6	657.6
2025-02-01	1374.2	1369.7	737.6	657.6
2025-01-01	1353.6	1348.3	737.6	657.6
2024-12-01	1392.3	1388.9	737.6	657.6
2024-11-01	1392.3	1388.9	737.6	657.6
2024-10-01	1392.3	1388.9	737.6	657.6
2024-09-01	1376.5	1369.7	737.6	657.6
2024-08-01	1376.5	1369.7	737.6	657.6
2024-07-01	1362.2	1349.9	737.6	657.6
2024-06-01	1361.9	1349.9	618.8	657.6
2024-08-01	1361.9	1349.9	618.8	657.6
2024-04-01	1402	1398.5	618.8	657.6
2024-03-01	1402	1398.5	618.8	657.6
2024-02-01	1417.7	1417.1	618.8	657.6
2024-01-01	1417.7	1417.1	618.8	657.6
2023-12-01	1417.7	1417.1	618.8	657.6
2023-11-01	1417.7	1417.1	618.8	657.6

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	NMBCU Closed 2025 (U18)	2025-06-13	2025-06-14	Standard	Nelson Mandela Bay (ENM)	6	6	2	Yes	Analysis
2	NMBCU Trial 4 2025 (U18)	2025-05-09	2025-05-10	Standard	Nelson Mandela Bay (ENM)	6	6	3	Yes	Analysis
3	NMB 3rd Trials 2025 (U18)	2025-04-11	2025-04-12	Standard	Nelson Mandela Bay (ENM)	6	6	4.5	Yes	Analysis
4	NMB 2nd Trials 2025 (U18)	2025-03-07	2025-03-08	Standard	Nelson Mandela Bay (ENM)	6	6	4	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	NMBCU Closed 2025 (U18)	2025-06-13	2025-06-14	Standard	Nelson Mandela Bay (ENM)	6	6	2	Yes	Analysis
2	NMBCU Trial 4 2025 (U18)	2025-05-09	2025-05-10	Standard	Nelson Mandela Bay (ENM)	6	6	3	Yes	Analysis
3	NMB 3rd Trials 2025 (U18)	2025-04-11	2025-04-12	Standard	Nelson Mandela Bay (ENM)	6	6	4.5	Yes	Analysis
4	NMB 2nd Trials 2025 (U18)	2025-03-07	2025-03-08	Standard	Nelson Mandela Bay (ENM)	6	6	4	Yes	Analysis
5	Mzansi Interprovincial Youth Chess Championships 2024 (U18 Open Candidates)	2024-12-16	2024-12-19	Standard	Capricorn (LCP)	7	7	3.5	Yes	Analysis
6	NMBCU Closed 2024 (U18)	2024-09-20	2024-09-21	Standard	Nelson Mandela Bay (ENM)	6	6	3	Yes	Analysis
7	NMBCU Trials 4 2024 (U18)	2024-07-12	2024-07-13	Standard	Nelson Mandela Bay (ENM)	6	4	3	Yes	Analysis
8	Willow Academy 2024 (A)	2024-06-22	2024-06-22	Rapid	Nelson Mandela Bay (ENM)	6	6	3	Yes	Analysis
9	NMBCU Trials 2 2024 (U18)	2024-04-12	2024-04-13	Standard	Nelson Mandela Bay (ENM)	6	6	2.5	Yes	Analysis
10	NMBCU Trials 1 2024 (U18)	2024-02-16	2024-02-16	Standard	Nelson Mandela Bay (ENM)	6	6	3.5	Yes	Analysis
11	PECC Club Championship 2023 (Senior)	2023-10-12	2023-11-23	Standard	Nelson Mandela Bay (ENM)	6	4	1.5	Yes	Analysis
12	Eastern Cape Provincial Individual Championship 2023 (U16 Boys)	2023-10-05	2023-10-06	Standard	Nelson Mandela Bay (ENM)	7	7	4	Yes	Analysis
13	Eastern Cape Chess Team Championship 2023 (U16)	2023-10-07	2023-10-08	Standard	Sarah Baartman (ESB)	5	3	3	Yes	Analysis
14	NMBCU Closed 2023 (U16)	2023-08-11	2023-08-12	Standard	Nelson Mandela Bay (ENM)	6	6	2.5	Yes	Analysis
15	Bergman Cup 2023	2023-06-08	2023-07-20	Rapid	Nelson Mandela Bay (ENM)	9	6	3	Yes	Analysis
16	NMBCU Trial 4 2023 (U16)	2023-07-28	2023-07-29	Standard	Nelson Mandela Bay (ENM)	5	5	2.5	Yes	Analysis
17	EP Trials 3 2023 (U16)	2023-05-05	2023-05-06	Standard	Nelson Mandela Bay (ENM)	6	6	3.5	Yes	Analysis
18	PECC Edgar Hill 2023	2023-03-30	2023-04-13	Blitz	Nelson Mandela Bay (ENM)	9	9	4	Yes	Analysis
19	PECC Presidents Cup 2023	2023-02-02	2023-03-16	Standard	Nelson Mandela Bay (ENM)	7	7	2.5	Yes	Analysis
20	NMB 2nd Trials 2023 (U16)	2023-03-24	2023-03-25	Standard	Nelson Mandela Bay (ENM)	6	6	4	Yes	Analysis
21	NMB 1st Trials 2023 (U16)	2023-02-17	2023-02-18	Standard	Nelson Mandela Bay (ENM)	6	6	3	Yes	Analysis
22	PECC Closed 2022 (C)	2022-09-22	2022-10-27	Standard	Nelson Mandela Bay (ENM)	5	5	4	Yes	Analysis
23	Eatern Cape Provincial Chess Championship 2022 (U16 Boys)	2022-10-01	2022-10-01	Standard	Sarah Baartman (ESB)	7	6	4	Yes	Analysis
24	2022 NMBCU Closed 2022 (U16)	2022-08-19	2022-08-20	Standard	Nelson Mandela Bay (ENM)	5	5	2	Yes	Analysis
25	NMBCU Trial 3 2022 (U16)	2022-07-22	2022-07-23	Standard	Nelson Mandela Bay (ENM)	6	6	3	Yes	Analysis
26	2022 NMB Junior Trials 2 (U14)	2022-05-13	2022-05-14	Standard	Nelson Mandela Bay (ENM)	6	6	4	Yes	Analysis
27	2022 NMB Junior Trials 1 (U14)	2022-04-22	2022-04-23	Standard	Nelson Mandela Bay (ENM)	6	6	4	Yes	Analysis

#	Games	Start				End
1	7	Tournament NMB 3rd Trials 2025				Tournament NMBCU Trial 4 2025
		date 2025-04-12	rnd 4	type Standard	result 0.5	date 2025-05-10	rnd 4	type Standard	result 0.5
		Opponent Boggenpoel, C (Cole)				Opponent Mtshekexe, U (Usemhle)
2	5	Tournament Mzansi Interprovincial Youth Chess Championships 2024				Tournament NMB 2nd Trials 2025
		date 2024-12-18	rnd 6	type Standard	result 1	date 2025-03-08	rnd 3	type Standard	result 1
		Opponent Hein, Z (Zinedean)				Opponent Slabbert, D (Deon)
3	5	Tournament Eatern Cape Provincial Chess Championship 2022				Tournament PECC Closed 2022
		date 2022-10-01	rnd 4	type Standard	result 1	date 2022-10-13	rnd 3	type Standard	result 1
		Opponent Latola, G (Glenwon)				Opponent Claassen, E (Enrique)

#	Games	Start				End
1	7	Tournament NMB 3rd Trials 2025				Tournament NMBCU Trial 4 2025
		date 2025-04-12	rnd 4	type Standard	result 0.5	date 2025-05-10	rnd 4	type Standard	result 0.5
		Opponent Boggenpoel, C (Cole)				Opponent Mtshekexe, U (Usemhle)
2	5	Tournament Mzansi Interprovincial Youth Chess Championships 2024				Tournament NMB 2nd Trials 2025
		date 2024-12-18	rnd 6	type Standard	result 1	date 2025-03-08	rnd 3	type Standard	result 1
		Opponent Hein, Z (Zinedean)				Opponent Slabbert, D (Deon)
3	5	Tournament Eatern Cape Provincial Chess Championship 2022				Tournament PECC Closed 2022
		date 2022-10-01	rnd 4	type Standard	result 1	date 2022-10-13	rnd 3	type Standard	result 1
		Opponent Latola, G (Glenwon)				Opponent Claassen, E (Enrique)

#	Games	Start				End
1	5	Tournament Bergman Cup 2023				Tournament Willow Academy 2024
		date 2023-07-20	rnd 7	type Rapid	result 1	date 2024-06-22	rnd 2	type Rapid	result 1
		Opponent Maartens, S (Shane)				Opponent Rautenbach, J (Johan)
2	1	Tournament Willow Academy 2024				Tournament Willow Academy 2024
		date 2024-06-22	rnd 4	type Rapid	result 1	date 2024-06-22	rnd 4	type Rapid	result 1
		Opponent Banoobhai, T (Troy)				Opponent Banoobhai, T (Troy)

#	Games	Start				End
1	1	Tournament PECC Edgar Hill 2023				Tournament PECC Edgar Hill 2023
		date 2023-04-13	rnd 9	type Blitz	result 1	date 2023-04-13	rnd 9	type Blitz	result 1
		Opponent Boggenpoel, L (Levi)				Opponent Boggenpoel, L (Levi)
2	1	Tournament PECC Edgar Hill 2023				Tournament PECC Edgar Hill 2023
		date 2023-03-30	rnd 5	type Blitz	result 1	date 2023-03-30	rnd 5	type Blitz	result 1
		Opponent Billett, L (Lauren)				Opponent Billett, L (Lauren)
3	1	Tournament PECC Edgar Hill 2023				Tournament PECC Edgar Hill 2023
		date 2023-03-30	rnd 3	type Blitz	result 1	date 2023-03-30	rnd 3	type Blitz	result 1
		Opponent Bouwer, T (Tiaan)				Opponent Bouwer, T (Tiaan)

#	Games	Start				End
1	5	Tournament Mzansi Interprovincial Youth Chess Championships 2024				Tournament NMB 2nd Trials 2025
		date 2024-12-18	rnd 6	type Standard	result 1	date 2025-03-08	rnd 3	type Standard	result 1
		Opponent Hein, Z (Zinedean)				Opponent Slabbert, D (Deon)
2	5	Tournament Eatern Cape Provincial Chess Championship 2022				Tournament PECC Closed 2022
		date 2022-10-01	rnd 4	type Standard	result 1	date 2022-10-13	rnd 3	type Standard	result 1
		Opponent Latola, G (Glenwon)				Opponent Claassen, E (Enrique)
3	4	Tournament NMB 3rd Trials 2025				Tournament NMBCU Trial 4 2025
		date 2025-04-12	rnd 5	type Standard	result 1	date 2025-05-10	rnd 2	type Standard	result 1
		Opponent Schoeman, D (Devan)				Opponent Schoeman, D (Devan)

#	Games	Start				End
1	5	Tournament Mzansi Interprovincial Youth Chess Championships 2024				Tournament NMB 2nd Trials 2025
		date 2024-12-18	rnd 6	type Standard	result 1	date 2025-03-08	rnd 3	type Standard	result 1
		Opponent Hein, Z (Zinedean)				Opponent Slabbert, D (Deon)
2	5	Tournament Eatern Cape Provincial Chess Championship 2022				Tournament PECC Closed 2022
		date 2022-10-01	rnd 4	type Standard	result 1	date 2022-10-13	rnd 3	type Standard	result 1
		Opponent Latola, G (Glenwon)				Opponent Claassen, E (Enrique)
3	4	Tournament NMB 3rd Trials 2025				Tournament NMBCU Trial 4 2025
		date 2025-04-12	rnd 5	type Standard	result 1	date 2025-05-10	rnd 2	type Standard	result 1
		Opponent Schoeman, D (Devan)				Opponent Schoeman, D (Devan)

#	Games	Start				End
1	5	Tournament Bergman Cup 2023				Tournament Willow Academy 2024
		date 2023-07-20	rnd 7	type Rapid	result 1	date 2024-06-22	rnd 2	type Rapid	result 1
		Opponent Maartens, S (Shane)				Opponent Rautenbach, J (Johan)
2	1	Tournament Willow Academy 2024				Tournament Willow Academy 2024
		date 2024-06-22	rnd 4	type Rapid	result 1	date 2024-06-22	rnd 4	type Rapid	result 1
		Opponent Banoobhai, T (Troy)				Opponent Banoobhai, T (Troy)

#	Games	Start				End
1	1	Tournament PECC Edgar Hill 2023				Tournament PECC Edgar Hill 2023
		date 2023-04-13	rnd 9	type Blitz	result 1	date 2023-04-13	rnd 9	type Blitz	result 1
		Opponent Boggenpoel, L (Levi)				Opponent Boggenpoel, L (Levi)
2	1	Tournament PECC Edgar Hill 2023				Tournament PECC Edgar Hill 2023
		date 2023-03-30	rnd 5	type Blitz	result 1	date 2023-03-30	rnd 5	type Blitz	result 1
		Opponent Billett, L (Lauren)				Opponent Billett, L (Lauren)
3	1	Tournament PECC Edgar Hill 2023				Tournament PECC Edgar Hill 2023
		date 2023-03-30	rnd 3	type Blitz	result 1	date 2023-03-30	rnd 3	type Blitz	result 1
		Opponent Bouwer, T (Tiaan)				Opponent Bouwer, T (Tiaan)

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	Slabbert ,D (Deon)	9	3	-141.7	9	3	-141.7	0	0	0	0	0	0
1	Slabbert ,D (Deon)	9	1378.6	1236.9	9	1373.7	1236.9	0	0	0	0	0	0
2	Jaffray ,J (Joseph)	7	0.5	-364.3	7	0.5	-364.3	0	0	0	0	0	0
2	Jaffray ,J (Joseph)	7	1390.3	1026.1	7	1392.7	1026.1	0	0	0	0	0	0
3	Grigor ,R (Ruan)	6	2	-141.7	6	2	-141.7	0	0	0	0	0	0
3	Grigor ,R (Ruan)	6	1388.8	1247.1	6	1383.3	1247.1	0	0	0	0	0	0
4	Mtshekexe ,U (Usemhle)	5	1	-255	5	1	-255	0	0	0	0	0	0
4	Mtshekexe ,U (Usemhle)	5	1336.7	1081.7	5	1339.4	1081.7	0	0	0	0	0	0
5	Collett ,S (Samuel)	5	3.5	170	5	3.5	170	0	0	0	0	0	0
5	Collett ,S (Samuel)	5	1268.5	1438.5	5	1275.8	1438.5	0	0	0	0	0	0
6	Gie ,L (Luca)	3	1	-141.7	3	1	-141.7	0	0	0	0	0	0
6	Gie ,L (Luca)	3	1110.1	968.4	3	1099.9	968.4	0	0	0	0	0	0
7	Swart ,R (Ruan)	3	2.5	283.3	3	2.5	283.3	0	0	0	0	0	0
7	Swart ,R (Ruan)	3	1218.4	1501.7	3	1215.3	1501.7	0	0	0	0	0	0
8	Lippstreu ,C (Caleb)	3	2	141.7	3	2	141.7	0	0	0	0	0	0
8	Lippstreu ,C (Caleb)	3	1252.8	1394.4	3	1253.4	1394.4	0	0	0	0	0	0
9	Hammond ,A (Anees)	3	2	141.7	3	2	141.7	0	0	0	0	0	0
9	Hammond ,A (Anees)	3	1239	1380.6	3	1238.7	1380.6	0	0	0	0	0	0
10	Nyoka ,I (Ibanathi)	3	1.5	0	3	1.5	0	0	0	0	0	0	0
10	Nyoka ,I (Ibanathi)	3	1171.5	1171.5	3	1170.4	1171.5	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Bouwer, R (Ruben)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms