Chess South Africa Ratings Database

PLAYER PAGE

Personal

Geyser, JE (Johan Emil)

Chess SA id

194010493

FIDE id

Date of birth

1994-05-24 (Adult)

Gender

Male

Region

Overberg (WOS)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-09-13

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1390.3	1345.9	1429.8	1331
Raw rating	1390.3	1345.9	1429.8	1331
Weighted rating	1323	1341.4	1372.6	1329.7
Weighted performance	1388.6	0	1391.9	0
Floor	890.3	845.9	929.8	831
K-factor	36	36	32	36
Min/Max rating change allowed	126.4	134.7	119.5	137.6
Highest rating	1390.3 2025-09-30	1350.9 2018-01-01	1573.6 2022-09-01	1331 2024-02-01
Highest raw rating	1390.3 2025-09-30	1345.9 2025-02-01	1429.8 2025-09-30	1331 2024-02-01
Highest weighted rating	1323 2025-09-30	1338 2025-08-01	1372.6 2025-09-30	1326.6 2025-08-01
Highest weighted performance	1388.6 2025-09-30	1350.9 2018-01-01	1573.6 2022-09-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1390.3	1345.9	1429.8	1331
Analysis
Rating	1390.3	1345.9	1429.8	1331
Raw rating	1390.3	1345.9	1429.8	1331
Weighted rating	1323	1341.4	1372.6
Weighted performance	1388.6	0	1391.9
K-factor	36	36	32	36
Floor	890.3	845.9	929.8	831
Max/Min rating change allowed	126.4	134.7	119.5	137.6
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	1390.3	1345.9	1429.8	1331
New weighted rating	1329.8	1342.5	1378.3	1330.6
New weighted performance	1387.1	0	1390.3	0
Temp new rating	1390.3	1345.9	1429.8	1331
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1390.3	1345.9	1429.8	1331
New K-factor	36	36	32	36
New floor	890.3	845.9	929.8	831

Item	Main	Standard	Rapid
	0	0	0
	24	6	18
	5	0	5
	0	0	0
	8	3	5
	10	10	0
History	52	24	28

Games since
	Main 29	Standard 6		Rapid 23		Blitz 0
Gender	Male
Age group	Adult
Region	Overberg (WOS)
Province	Western Cape (WC)
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	397		195		13
Male	357		173		12
Adult	130		49		2
Adult Male	125		49		2
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	24	11.5	47.92	-17.7	1516.7	1499
Standard	6	1.5	25	-212.5	1596.9	1384.4
Rapid	18	10	55.56	47.2	1489.9	1537.2
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	52	23	44.23	-49	1493.5	1444.4
Standard	24	6.5	27.08	-194.8	1531.1	1336.3
Rapid	28	16.5	58.93	75.9	1461.2	1537.1
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1390.3	1345.9	1429.8	1331
2025-09-01	1375.7	1345.9	1414.7	1331
2025-08-01	1347	1345.9	1372.8	1331
2025-07-01	1347	1345.9	1372.8	1331
2025-06-01	1347	1345.9	1372.8	1331
2025-05-01	1347	1345.9	1372.8	1331
2025-04-01	1315.3	1345.9	1365.2	1331
2025-03-01	1315.3	1345.9	1365.2	1331
2025-02-01	1315.3	1345.9	1365.2	1331
2025-01-01	1297.7	1337.3	1365.2	1331
2024-12-01	1297.7	1337.3	1365.2	1331
2024-11-01	1297.7	1337.3	1365.2	1331
2024-10-01	1297.7	1337.3	1365.2	1331
2024-09-01	1277.1	1337.3	1351.9	1331
2024-08-01	1277.1	1337.3	1351.9	1331
2024-07-01	1277.1	1337.3	1351.9	1331
2024-06-01	1277.1	1337.3	1351.9	1331
2024-08-01	1277.1	1337.3	1351.9	1331
2024-04-01	1277.1	1337.3	1351.9	1331
2024-03-01	1277.1	1337.3	1351.9	1331
2024-02-01	1277.1	1337.3	1351.9	1331
2024-01-01	1277.1	1337.3	1351.9	1331
2023-12-01	1276.3	1232.6	1284.8	1200
2023-11-01	1276.3	1232.6	1284.8	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	Overberg Club Championship 2025	2025-09-13	2025-09-13	Rapid	Overberg (WOS)	7	6	4	Yes	Analysis
2	Kleinmond Chess Club Open 2025 (Championship)	2025-08-30	2025-08-30	Rapid	Overberg (WOS)	6	6	3	Yes	Analysis
3	Hermanus Chess Club Open 2025 (Advanced)	2025-04-12	2025-04-12	Rapid	Overberg (WOS)	7	6	3	Yes	Analysis
4	Hermanus Chess Club Invitational January 2025	2025-01-11	2025-01-12	Standard	Overberg (WOS)	7	6	1.5	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Overberg Club Championship 2025	2025-09-13	2025-09-13	Rapid	Overberg (WOS)	7	6	4	Yes	Analysis
2	Kleinmond Chess Club Open 2025 (Championship)	2025-08-30	2025-08-30	Rapid	Overberg (WOS)	6	6	3	Yes	Analysis
3	Hermanus Chess Club Open 2025 (Advanced)	2025-04-12	2025-04-12	Rapid	Overberg (WOS)	7	6	3	Yes	Analysis
4	Hermanus Chess Club Invitational January 2025	2025-01-11	2025-01-12	Standard	Overberg (WOS)	7	6	1.5	Yes	Analysis
5	Kleinmond Chess Club Open 2024 (Championship)	2024-09-07	2024-09-07	Rapid	Overberg (WOS)	5	5	2	Yes	Analysis
6	Kleinmond Open Tournament 2022 (A+B)	2022-09-10	2022-09-10	Rapid	Overberg (WOS)	5	5	4.5	Yes	Analysis
7	Western Cape Inter Region Cup 2021 (Senior)	2022-03-04	2022-03-06	Standard	West Coast (WCU)	5	3	0	Yes	Analysis
8	OCF Club Champs 2021 (Seniors)	2021-06-05	2021-08-14	Standard	Overberg (WOS)	10	10	4	Yes	Analysis
9	Johan Jurgens Open 2018 (A)	2018-01-26	2018-01-27	Standard	Ekurhuleni (GE)	6	5	1	Yes	Analysis

#	Games	Start				End
1	5	Tournament Kleinmond Open Tournament 2022				Tournament Kleinmond Open Tournament 2022
		date 2022-09-10	rnd 1	type Rapid	result 1	date 2022-09-10	rnd 5	type Rapid	result 1
		Opponent Joubert, D (Danie)				Opponent Ravno, K (Kevin)
2	4	Tournament Hermanus Chess Club Open 2025				Tournament Kleinmond Chess Club Open 2025
		date 2025-04-12	rnd 6	type Rapid	result 1	date 2025-08-30	rnd 2	type Rapid	result 1
		Opponent Mostert, R (Remi)				Opponent Mackenzie, T (Tayden)
3	3	Tournament Overberg Club Championship 2025				Tournament Overberg Club Championship 2025
		date 2025-09-13	rnd 5	type Rapid	result 1	date 2025-09-13	rnd 7	type Rapid	result 1
		Opponent Buhr, W (Wilhelm)				Opponent Pekeur, W (Warren)

#	Games	Start				End
1	2	Tournament OCF Club Champs 2021				Tournament OCF Club Champs 2021
		date 2021-06-05	rnd 1	type Standard	result 0.5	date 2021-06-05	rnd 2	type Standard	result 0.5
		Opponent Windvogel, M (Monray)				Opponent Williams, M (Monre)
2	1	Tournament Hermanus Chess Club Invitational January 2025				Tournament Hermanus Chess Club Invitational January 2025
		date 2025-01-12	rnd 6	type Standard	result 0.5	date 2025-01-12	rnd 6	type Standard	result 0.5
		Opponent Harmse, D (Deon)				Opponent Harmse, D (Deon)
3	1	Tournament Hermanus Chess Club Invitational January 2025				Tournament Hermanus Chess Club Invitational January 2025
		date 2025-01-11	rnd 3	type Standard	result 1	date 2025-01-11	rnd 3	type Standard	result 1
		Opponent Brink, M (Martin)				Opponent Brink, M (Martin)

#	Games	Start				End
1	5	Tournament Kleinmond Open Tournament 2022				Tournament Kleinmond Open Tournament 2022
		date 2022-09-10	rnd 1	type Rapid	result 1	date 2022-09-10	rnd 5	type Rapid	result 1
		Opponent Joubert, D (Danie)				Opponent Ravno, K (Kevin)
2	4	Tournament Hermanus Chess Club Open 2025				Tournament Kleinmond Chess Club Open 2025
		date 2025-04-12	rnd 6	type Rapid	result 1	date 2025-08-30	rnd 2	type Rapid	result 1
		Opponent Mostert, R (Remi)				Opponent Mackenzie, T (Tayden)
3	3	Tournament Overberg Club Championship 2025				Tournament Overberg Club Championship 2025
		date 2025-09-13	rnd 5	type Rapid	result 1	date 2025-09-13	rnd 7	type Rapid	result 1
		Opponent Buhr, W (Wilhelm)				Opponent Pekeur, W (Warren)

No games found.

#	Games	Start				End

#	Games	Start				End
1	4	Tournament Hermanus Chess Club Open 2025				Tournament Kleinmond Chess Club Open 2025
		date 2025-04-12	rnd 6	type Rapid	result 1	date 2025-08-30	rnd 2	type Rapid	result 1
		Opponent Mostert, R (Remi)				Opponent Mackenzie, T (Tayden)
2	3	Tournament Overberg Club Championship 2025				Tournament Overberg Club Championship 2025
		date 2025-09-13	rnd 5	type Rapid	result 1	date 2025-09-13	rnd 7	type Rapid	result 1
		Opponent Buhr, W (Wilhelm)				Opponent Pekeur, W (Warren)
3	3	Tournament Kleinmond Open Tournament 2022				Tournament Kleinmond Open Tournament 2022
		date 2022-09-10	rnd 3	type Rapid	result 1	date 2022-09-10	rnd 5	type Rapid	result 1
		Opponent Kiessling, K (Kai)				Opponent Ravno, K (Kevin)

#	Games	Start				End
1	1	Tournament Hermanus Chess Club Invitational January 2025				Tournament Hermanus Chess Club Invitational January 2025
		date 2025-01-11	rnd 3	type Standard	result 1	date 2025-01-11	rnd 3	type Standard	result 1
		Opponent Brink, M (Martin)				Opponent Brink, M (Martin)
2	1	Tournament OCF Club Champs 2021				Tournament OCF Club Champs 2021
		date 2021-08-14	rnd 9	type Standard	result 1	date 2021-08-14	rnd 9	type Standard	result 1
		Opponent Mabote, K (Kori)				Opponent Mabote, K (Kori)
3	1	Tournament OCF Club Champs 2021				Tournament OCF Club Champs 2021
		date 2021-08-14	rnd 7	type Standard	result 1	date 2021-08-14	rnd 7	type Standard	result 1
		Opponent Pekeur, W (Warren)				Opponent Pekeur, W (Warren)

#	Games	Start				End
1	4	Tournament Hermanus Chess Club Open 2025				Tournament Kleinmond Chess Club Open 2025
		date 2025-04-12	rnd 6	type Rapid	result 1	date 2025-08-30	rnd 2	type Rapid	result 1
		Opponent Mostert, R (Remi)				Opponent Mackenzie, T (Tayden)
2	3	Tournament Overberg Club Championship 2025				Tournament Overberg Club Championship 2025
		date 2025-09-13	rnd 5	type Rapid	result 1	date 2025-09-13	rnd 7	type Rapid	result 1
		Opponent Buhr, W (Wilhelm)				Opponent Pekeur, W (Warren)
3	3	Tournament Kleinmond Open Tournament 2022				Tournament Kleinmond Open Tournament 2022
		date 2022-09-10	rnd 3	type Rapid	result 1	date 2022-09-10	rnd 5	type Rapid	result 1
		Opponent Kiessling, K (Kai)				Opponent Ravno, K (Kevin)

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	Southey ,AM (Andrew Mcnab)	3	0	-425	3	0	-425	0	0	0	0	0	0
1	Southey ,AM (Andrew Mcnab)	3	1726.5	1301.5	3	1724.3	1301.5	0	0	0	0	0	0
2	Opperman ,C (Connor)	3	0	-425	1	0	-425	2	0	-425	0	0	0
2	Opperman ,C (Connor)	3	1657.8	1232.8	1	1611.8	1232.8	2	1662.6	1232.8	0	0	0
3	Mackenzie ,T (Tayden)	3	2.5	283.3	0	0	0	3	2.5	283.3	0	0	0
3	Mackenzie ,T (Tayden)	3	1510.3	1793.6	0	0	0	3	1414.3	1793.6	0	0	0
4	Mccallum ,B (Brian Brian)	2	0	-425	2	0	-425	0	0	0	0	0	0
4	Mccallum ,B (Brian Brian)	2	1588.9	1163.9	2	1592.8	1163.9	0	0	0	0	0	0
5	Windvogel ,M (Monray)	2	0.5	-212.5	2	0.5	-212.5	0	0	0	0	0	0
5	Windvogel ,M (Monray)	2	1432.5	1220	2	1427.4	1220	0	0	0	0	0	0
6	Mabote ,K (Kori)	2	2	425	2	2	425	0	0	0	0	0	0
6	Mabote ,K (Kori)	2	1101.7	1526.7	2	1082.4	1526.7	0	0	0	0	0	0
7	Pekeur ,W (Warren)	2	2	425	1	1	425	1	1	425	0	0	0
7	Pekeur ,W (Warren)	2	1234.2	1659.2	1	1190.3	1659.2	1	1286.7	1659.2	0	0	0
8	Brink ,M (Martin)	2	1	0	1	1	425	1	0	-425	0	0	0
8	Brink ,M (Martin)	2	1555.3	1555.3	1	1521.5	1980.3	1	1467.6	1130.3	0	0	0
9	Laubscher ,E (Erick)	2	1	0	0	0	0	2	1	0	0	0	0
9	Laubscher ,E (Erick)	2	1402.6	1402.6	0	0	0	2	1399.6	1402.6	0	0	0
10	Wolmarans ,R (Riekie)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Wolmarans ,R (Riekie)	1	1385.4	960.4	1	1385.4	960.4	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

Geyser, JE (Johan Emil)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms