Chess South Africa Ratings Database

PLAYER PAGE

Personal

Hahn, M (Michael)

Chess SA id

1610103474

FIDE id

Date of birth

1961-07-11 (Adult)

Gender

Male

Region

Cape Town (WCT)

Citizen

RSA

Titles

Chess SA registered

Last active game

2018-09-29

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1347	1347	1309.5	1300
Raw rating	1347	1347	1309.5	1300
Weighted rating	1346	1346	1308.8	1299
Weighted performance	0	0	0	0
Floor	847	847	809.5	800
K-factor	36	36	36	36
Min/Max rating change allowed	134.5	134.5	141.9	143.8
Highest rating	1347 2024-02-01	1368.6 2018-09-01	1329.6 2018-06-01	1300 2024-02-01
Highest raw rating	1347 2024-02-01	1347 2024-02-01	1309.5 2024-02-01	1300 2024-02-01
Highest weighted rating	1343.8 2025-08-01	1343.5 2025-08-01	1307.1 2025-08-01	1296.7 2025-08-01
Highest weighted performance	1328.7 2018-09-01	1368.6 2018-09-01	1329.6 2018-06-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1347	1347	1309.5	1300
Analysis
Rating	1347	1347	1309.5	1300
Raw rating	1347	1347	1309.5	1300
Weighted rating	1346	1346	1308.8
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	847	847	809.5	800
Max/Min rating change allowed	134.5	134.5	141.9	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	1347	1347	1309.5	1300
New weighted rating	1346.7	1346.7	1309.2	1299.7
New weighted performance	0	0	0	0
Temp new rating	1347	1347	1309.5	1300
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1347	1347	1309.5	1300
New K-factor	36	36	36	36
New floor	847	847	809.5	800

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	0	0	0
History	13	6	7

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	Adult
Region	Cape Town (WCT)
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	-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	13	6.5	50	0	1351.4	1351.4
Standard	6	2.5	41.67	-70.8	1428.2	1357.4
Rapid	7	4	57.14	60.7	1285.5	1346.2
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1347	1347	1309.5	1300
2025-09-01	1347	1347	1309.5	1300
2025-08-01	1347	1347	1309.5	1300
2025-07-01	1347	1347	1309.5	1300
2025-06-01	1347	1347	1309.5	1300
2025-05-01	1347	1347	1309.5	1300
2025-04-01	1347	1347	1309.5	1300
2025-03-01	1347	1347	1309.5	1300
2025-02-01	1347	1347	1309.5	1300
2025-01-01	1347	1347	1309.5	1300
2024-12-01	1347	1347	1309.5	1300
2024-11-01	1347	1347	1309.5	1300
2024-10-01	1347	1347	1309.5	1300
2024-09-01	1347	1347	1309.5	1300
2024-08-01	1347	1347	1309.5	1300
2024-07-01	1347	1347	1309.5	1300
2024-06-01	1347	1347	1309.5	1300
2024-08-01	1347	1347	1309.5	1300
2024-04-01	1347	1347	1309.5	1300
2024-03-01	1347	1347	1309.5	1300
2024-02-01	1347	1347	1309.5	1300
2024-01-01	1347	1347	1309.5	1300
2023-12-01	1249.8	1243.2	1238.8	1200
2023-11-01	1249.8	1243.2	1238.8	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	Mossel Bay Open 2018 (A)	2018-09-28	2018-09-29	Standard	Eden (WEG)	6	6	2.5	Yes	Analysis
2	Eldo Smart Memorial Rapid Tournament 2018	2018-06-16	2018-06-16	Rapid	Cape Town (WCT)	7	7	4	Yes	Analysis

#	Games	Start				End
1	4	Tournament Eldo Smart Memorial Rapid Tournament 2018				Tournament Mossel Bay Open 2018
		date 2018-06-16	rnd 5	type Rapid	result 1	date 2018-09-28	rnd 1	type Standard	result 1
		Opponent Maxwell, T (Tristan)				Opponent Matthee, M (Morne)
2	2	Tournament Mossel Bay Open 2018				Tournament Mossel Bay Open 2018
		date 2018-09-29	rnd 5	type Standard	result 0.5	date 2018-09-29	rnd 6	type Standard	result 0.5
		Opponent Coetzer, Q (Quinn)				Opponent Geyser, K (Kobus)
3	1	Tournament Mossel Bay Open 2018				Tournament Mossel Bay Open 2018
		date 2018-09-29	rnd 3	type Standard	result 0.5	date 2018-09-29	rnd 3	type Standard	result 0.5
		Opponent Quirk, T (Terence)				Opponent Quirk, T (Terence)

#	Games	Start				End
1	2	Tournament Mossel Bay Open 2018				Tournament Mossel Bay Open 2018
		date 2018-09-29	rnd 5	type Standard	result 0.5	date 2018-09-29	rnd 6	type Standard	result 0.5
		Opponent Coetzer, Q (Quinn)				Opponent Geyser, K (Kobus)
2	1	Tournament Mossel Bay Open 2018				Tournament Mossel Bay Open 2018
		date 2018-09-29	rnd 3	type Standard	result 0.5	date 2018-09-29	rnd 3	type Standard	result 0.5
		Opponent Quirk, T (Terence)				Opponent Quirk, T (Terence)
3	1	Tournament Mossel Bay Open 2018				Tournament Mossel Bay Open 2018
		date 2018-09-28	rnd 1	type Standard	result 1	date 2018-09-28	rnd 1	type Standard	result 1
		Opponent Matthee, M (Morne)				Opponent Matthee, M (Morne)

#	Games	Start				End
1	3	Tournament Eldo Smart Memorial Rapid Tournament 2018				Tournament Eldo Smart Memorial Rapid Tournament 2018
		date 2018-06-16	rnd 5	type Rapid	result 1	date 2018-06-16	rnd 7	type Rapid	result 0.5
		Opponent Maxwell, T (Tristan)				Opponent Klaasen, RJ (Robyn)
2	1	Tournament Eldo Smart Memorial Rapid Tournament 2018				Tournament Eldo Smart Memorial Rapid Tournament 2018
		date 2018-06-16	rnd 3	type Rapid	result 0.5	date 2018-06-16	rnd 3	type Rapid	result 0.5
		Opponent Louw, FWT (Frederik)				Opponent Louw, FWT (Frederik)
3	1	Tournament Eldo Smart Memorial Rapid Tournament 2018				Tournament Eldo Smart Memorial Rapid Tournament 2018
		date 2018-06-16	rnd 1	type Rapid	result 1	date 2018-06-16	rnd 1	type Rapid	result 1
		Opponent Wolff, UH (Ulrich)				Opponent Wolff, UH (Ulrich)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Eldo Smart Memorial Rapid Tournament 2018				Tournament Eldo Smart Memorial Rapid Tournament 2018
		date 2018-06-16	rnd 5	type Rapid	result 1	date 2018-06-16	rnd 6	type Rapid	result 1
		Opponent Maxwell, T (Tristan)				Opponent Thakersee, A (Akshay)
2	1	Tournament Mossel Bay Open 2018				Tournament Mossel Bay Open 2018
		date 2018-09-28	rnd 1	type Standard	result 1	date 2018-09-28	rnd 1	type Standard	result 1
		Opponent Matthee, M (Morne)				Opponent Matthee, M (Morne)
3	1	Tournament Eldo Smart Memorial Rapid Tournament 2018				Tournament Eldo Smart Memorial Rapid Tournament 2018
		date 2018-06-16	rnd 1	type Rapid	result 1	date 2018-06-16	rnd 1	type Rapid	result 1
		Opponent Wolff, UH (Ulrich)				Opponent Wolff, UH (Ulrich)

#	Games	Start				End
1	1	Tournament Mossel Bay Open 2018				Tournament Mossel Bay Open 2018
		date 2018-09-28	rnd 1	type Standard	result 1	date 2018-09-28	rnd 1	type Standard	result 1
		Opponent Matthee, M (Morne)				Opponent Matthee, M (Morne)

#	Games	Start				End
1	2	Tournament Eldo Smart Memorial Rapid Tournament 2018				Tournament Eldo Smart Memorial Rapid Tournament 2018
		date 2018-06-16	rnd 5	type Rapid	result 1	date 2018-06-16	rnd 6	type Rapid	result 1
		Opponent Maxwell, T (Tristan)				Opponent Thakersee, A (Akshay)
2	1	Tournament Eldo Smart Memorial Rapid Tournament 2018				Tournament Eldo Smart Memorial Rapid Tournament 2018
		date 2018-06-16	rnd 1	type Rapid	result 1	date 2018-06-16	rnd 1	type Rapid	result 1
		Opponent Wolff, UH (Ulrich)				Opponent Wolff, UH (Ulrich)

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	Van Heerden ,CL (Claude Leon)	1	0	-425	1	0	-425	0	0	0	0	0	0
1	Van Heerden ,CL (Claude Leon)	1	1631.4	1206.4	1	1630.9	1206.4	0	0	0	0	0	0
2	Geyser ,K (Kobus)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
2	Geyser ,K (Kobus)	1	1298.1	1298.1	1	1308.4	1298.1	0	0	0	0	0	0
3	Cloete ,R (Ralph)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Cloete ,R (Ralph)	1	1358.1	933.1	1	1314.4	933.1	0	0	0	0	0	0
4	Matthee ,M (Morne)	1	1	425	1	1	425	0	0	0	0	0	0
4	Matthee ,M (Morne)	1	1437.4	1862.4	1	1446	1862.4	0	0	0	0	0	0
5	Coetzer ,Q (Quinn)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
5	Coetzer ,Q (Quinn)	1	1345.2	1345.2	1	1336.6	1345.2	0	0	0	0	0	0
6	Quirk ,T (Terence)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
6	Quirk ,T (Terence)	1	1499	1499	1	1522.1	1499	0	0	0	0	0	0
7	Klaasen ,RJ (Robyn Julian)	1	0.5	0	0	0	0	1	0.5	0	0	0	0
7	Klaasen ,RJ (Robyn Julian)	1	1682.5	1682.5	0	0	0	1	1673	1682.5	0	0	0
8	Wolff ,UH (Ulrich Helmut)	1	1	425	0	0	0	1	1	425	0	0	0
8	Wolff ,UH (Ulrich Helmut)	1	1383.8	1808.8	0	0	0	1	1467.8	1808.8	0	0	0
9	Maxwell ,T (Tristan)	1	1	425	0	0	0	1	1	425	0	0	0
9	Maxwell ,T (Tristan)	1	886.9	1311.9	0	0	0	1	715.4	1311.9	0	0	0
10	Styer ,G (Garth)	1	0	-425	0	0	0	1	0	-425	0	0	0
10	Styer ,G (Garth)	1	1200	775	0	0	0	1	1200	775	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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PLAYER PAGE

Personal

Hahn, M (Michael)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms