Chess South Africa Ratings Database

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Personal

De Beer, I (Iwan)

Chess SA id

173052420

FIDE id

Date of birth

1973-04-02 (Adult)

Gender

Male

Region

Nelson Mandela Bay (ENM)

Citizen

RSA

Titles

Chess SA registered

Last active game

2019-10-24

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1206.4	1149.9	1254.9	1300
Raw rating	1206.4	1149.9	1254.9	1300
Weighted rating	1205.2	1149.2	1254.1	1299
Weighted performance	0	0	0	0
Floor	706.4	700	754.9	800
K-factor	36	36	36	36
Min/Max rating change allowed	164.3	178.1	153.3	143.8
Highest rating	1206.4 2024-02-01	1200 2018-01-01	1254.9 2024-02-01	1300 2024-02-01
Highest raw rating	1206.4 2024-02-01	1200 2018-01-01	1254.9 2024-02-01	1300 2024-02-01
Highest weighted rating	1206.4 2018-01-01	1200 2018-01-01	1252.4 2025-08-01	1296.7 2025-08-01
Highest weighted performance	1200 2018-01-01	1200 2018-01-01	1200 2018-01-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1206.4	1149.9	1254.9	1300
Analysis
Rating	1206.4	1149.9	1254.9	1300
Raw rating	1206.4	1149.9	1254.9	1300
Weighted rating	1205.2	1149.2	1254.1
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	706.4	700	754.9	800
Max/Min rating change allowed	164.3	178.1	153.3	143.8
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	1206.4	1149.9	1254.9	1300
New weighted rating	1206	1149.6	1254.6	1299.7
New weighted performance	0	0	0	0
Temp new rating	1206.4	1149.9	1254.9	1300
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1206.4	1149.9	1254.9	1300
New K-factor	36	36	36	36
New floor	706.4	700	754.9	800

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	0	0	0
History	48	27	21

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	Adult
Region	Nelson Mandela Bay (ENM)
Province	Eastern Cape (EC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult 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	26	7	26.92	-196.2	1211.4	1015.2
Standard	21	5	23.81	-222.6	1212.7	990.1
Rapid	5	2	40	-85	1205.8	1120.8
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1206.4	1149.9	1254.9	1300
2025-09-01	1206.4	1149.9	1254.9	1300
2025-08-01	1206.4	1149.9	1254.9	1300
2025-07-01	1206.4	1149.9	1254.9	1300
2025-06-01	1206.4	1149.9	1254.9	1300
2025-05-01	1206.4	1149.9	1254.9	1300
2025-04-01	1206.4	1149.9	1254.9	1300
2025-03-01	1206.4	1149.9	1254.9	1300
2025-02-01	1206.4	1149.9	1254.9	1300
2025-01-01	1206.4	1149.9	1254.9	1300
2024-12-01	1206.4	1149.9	1254.9	1300
2024-11-01	1206.4	1149.9	1254.9	1300
2024-10-01	1206.4	1149.9	1254.9	1300
2024-09-01	1206.4	1149.9	1254.9	1300
2024-08-01	1206.4	1149.9	1254.9	1300
2024-07-01	1206.4	1149.9	1254.9	1300
2024-06-01	1206.4	1149.9	1254.9	1300
2024-08-01	1206.4	1149.9	1254.9	1300
2024-04-01	1206.4	1149.9	1254.9	1300
2024-03-01	1206.4	1149.9	1254.9	1300
2024-02-01	1206.4	1149.9	1254.9	1300
2024-01-01	1206.4	1149.9	1254.9	1300
2023-12-01	1083.6	1083.6	1178.8	1200
2023-11-01	1083.6	1083.6	1178.8	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	PE Chess Club Tiger Cup 2019	2019-09-26	2019-10-24	Standard	Nelson Mandela Bay (ENM)	5	1	1	Yes	Analysis
2	Springbok Cup 2019	2019-02-07	2019-04-04	Standard	Nelson Mandela Bay (ENM)	5	4	1	Yes	Analysis
3	Presidents Cup 2019	2019-04-11	2019-04-11	Standard	Nelson Mandela Bay (ENM)	5	2	0	Yes	Analysis
4	PECC Club Championships 2018 (C)	2018-07-26	2018-08-30	Standard	Nelson Mandela Bay (ENM)	5	3	0	Yes	Analysis
5	PE Chess Club Classic 2018	2018-04-26	2018-05-24	Standard	Nelson Mandela Bay (ENM)	5	3	1	Yes	Analysis
6	PECC - Springbok Cup 2018	2018-02-15	2018-03-22	Standard	Nelson Mandela Bay (ENM)	5	2	0	Yes	Analysis
7	King Cars PECC Grand Prix First Leg 2018	2018-03-03	2018-03-10	Standard	Nelson Mandela Bay (ENM)	6	6	2	Yes	Analysis
8	PE Chess Club February Rapid 2018	2018-02-01	2018-02-08	Rapid	Nelson Mandela Bay (ENM)	5	5	2	Yes	Analysis

#	Games	Start				End
1	2	Tournament King Cars PECC Grand Prix First Leg 2018				Tournament King Cars PECC Grand Prix First Leg 2018
		date 2018-03-10	rnd 4	type Standard	result 1	date 2018-03-10	rnd 5	type Standard	result 1
		Opponent Du Plessis, H (Hannah)				Opponent Barry, TK (Tristan)
2	2	Tournament PE Chess Club February Rapid 2018				Tournament PE Chess Club February Rapid 2018
		date 2018-02-08	rnd 4	type Rapid	result 1	date 2018-02-08	rnd 5	type Rapid	result 1
		Opponent Peter, N (Noah)				Opponent De Beer, T (Tiaan)
3	1	Tournament PE Chess Club Tiger Cup 2019				Tournament PE Chess Club Tiger Cup 2019
		date 2019-10-24	rnd 5	type Standard	result 1	date 2019-10-24	rnd 5	type Standard	result 1
		Opponent De Beer, T (Tiaan)				Opponent De Beer, T (Tiaan)

#	Games	Start				End
1	2	Tournament King Cars PECC Grand Prix First Leg 2018				Tournament King Cars PECC Grand Prix First Leg 2018
		date 2018-03-10	rnd 4	type Standard	result 1	date 2018-03-10	rnd 5	type Standard	result 1
		Opponent Du Plessis, H (Hannah)				Opponent Barry, TK (Tristan)
2	1	Tournament PE Chess Club Tiger Cup 2019				Tournament PE Chess Club Tiger Cup 2019
		date 2019-10-24	rnd 5	type Standard	result 1	date 2019-10-24	rnd 5	type Standard	result 1
		Opponent De Beer, T (Tiaan)				Opponent De Beer, T (Tiaan)
3	1	Tournament Springbok Cup 2019				Tournament Springbok Cup 2019
		date 2019-02-07	rnd 1	type Standard	result 1	date 2019-02-07	rnd 1	type Standard	result 1
		Opponent Peter, M (Mnico)				Opponent Peter, M (Mnico)

#	Games	Start				End
1	2	Tournament PE Chess Club February Rapid 2018				Tournament PE Chess Club February Rapid 2018
		date 2018-02-08	rnd 4	type Rapid	result 1	date 2018-02-08	rnd 5	type Rapid	result 1
		Opponent Peter, N (Noah)				Opponent De Beer, T (Tiaan)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament King Cars PECC Grand Prix First Leg 2018				Tournament King Cars PECC Grand Prix First Leg 2018
		date 2018-03-10	rnd 4	type Standard	result 1	date 2018-03-10	rnd 5	type Standard	result 1
		Opponent Du Plessis, H (Hannah)				Opponent Barry, TK (Tristan)
2	2	Tournament PE Chess Club February Rapid 2018				Tournament PE Chess Club February Rapid 2018
		date 2018-02-08	rnd 4	type Rapid	result 1	date 2018-02-08	rnd 5	type Rapid	result 1
		Opponent Peter, N (Noah)				Opponent De Beer, T (Tiaan)
3	1	Tournament PE Chess Club Tiger Cup 2019				Tournament PE Chess Club Tiger Cup 2019
		date 2019-10-24	rnd 5	type Standard	result 1	date 2019-10-24	rnd 5	type Standard	result 1
		Opponent De Beer, T (Tiaan)				Opponent De Beer, T (Tiaan)

#	Games	Start				End
1	2	Tournament King Cars PECC Grand Prix First Leg 2018				Tournament King Cars PECC Grand Prix First Leg 2018
		date 2018-03-10	rnd 4	type Standard	result 1	date 2018-03-10	rnd 5	type Standard	result 1
		Opponent Du Plessis, H (Hannah)				Opponent Barry, TK (Tristan)
2	1	Tournament PE Chess Club Tiger Cup 2019				Tournament PE Chess Club Tiger Cup 2019
		date 2019-10-24	rnd 5	type Standard	result 1	date 2019-10-24	rnd 5	type Standard	result 1
		Opponent De Beer, T (Tiaan)				Opponent De Beer, T (Tiaan)
3	1	Tournament Springbok Cup 2019				Tournament Springbok Cup 2019
		date 2019-02-07	rnd 1	type Standard	result 1	date 2019-02-07	rnd 1	type Standard	result 1
		Opponent Peter, M (Mnico)				Opponent Peter, M (Mnico)

#	Games	Start				End
1	2	Tournament PE Chess Club February Rapid 2018				Tournament PE Chess Club February Rapid 2018
		date 2018-02-08	rnd 4	type Rapid	result 1	date 2018-02-08	rnd 5	type Rapid	result 1
		Opponent Peter, N (Noah)				Opponent De Beer, T (Tiaan)

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	De Beer ,T (Tiaan)	4	2	0	3	1	-141.7	1	1	425	0	0	0
1	De Beer ,T (Tiaan)	4	1070.6	1070.6	3	1066	928.9	1	1043.5	1495.6	0	0	0
2	Connacher ,AD (Allan Derek)	3	0	-425	2	0	-425	1	0	-425	0	0	0
2	Connacher ,AD (Allan Derek)	3	1454.1	1029.1	2	1444.4	1029.1	1	1465.2	1029.1	0	0	0
3	Peter ,NM (Neathan Mninawa)	3	0	-425	2	0	-425	1	0	-425	0	0	0
3	Peter ,NM (Neathan Mninawa)	3	1413.1	988.1	2	1407.9	988.1	1	1438.7	988.1	0	0	0
4	Bruintjies ,HC (Hailey Carla)	2	0	-425	2	0	-425	0	0	0	0	0	0
4	Bruintjies ,HC (Hailey Carla)	2	1260.9	835.9	2	1260.9	835.9	0	0	0	0	0	0
5	Peter ,N (Noah)	2	1	0	1	0	-425	1	1	425	0	0	0
5	Peter ,N (Noah)	2	1170.9	1170.9	1	1181.1	745.9	1	1204.3	1595.9	0	0	0
6	Sambo ,K (Kingsley)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Sambo ,K (Kingsley)	1	1301.1	876.1	1	1305.6	876.1	0	0	0	0	0	0
7	Nevin ,TP (Timothy Patrick)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Nevin ,TP (Timothy Patrick)	1	1273.4	848.4	1	1251.7	848.4	0	0	0	0	0	0
8	Steynberg ,EL (Errol Leon)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Steynberg ,EL (Errol Leon)	1	1453	1028	1	1448.8	1028	0	0	0	0	0	0
9	Barry ,TK (Tristan Keegan)	1	1	425	1	1	425	0	0	0	0	0	0
9	Barry ,TK (Tristan Keegan)	1	1209	1634	1	1209	1634	0	0	0	0	0	0
10	Van Huyssteen ,JA (Johan Abraham)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Van Huyssteen ,JA (Johan Abraham)	1	1463	1038	1	1473.4	1038	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

De Beer, I (Iwan)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms