Chess South Africa Ratings Database

PLAYER PAGE

Personal

Koch, M (Marshall)

Chess SA id

1090109398

FIDE id

Date of birth

2009-09-13 (U18)

Gender

Male

Region

Eden (WEG)

Citizen

RSA

Titles

Chess SA registered

Last active game

2019-02-23

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1090.1	1065.2	1200	1200
Raw rating	1090.1	1065.2	1200	1200
Weighted rating	1090.1	1065.2	1200	1200
Weighted performance	0	0	0	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	193.9	200.9	165.8	165.8
Highest rating	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1200 2018-02-01	1200 2018-02-01	1200 2024-02-01	1200 2024-02-01
Highest weighted rating	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1200 2018-02-01	1200 2018-02-01	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1090.1	1065.2	1200	1200
Analysis
Rating	1090.1	1065.2	1200	1200
Raw rating	1090.1	1065.2	1200	1200
Weighted rating	1090.1	1065.2	1200
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	193.9	200.9	165.8	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	1090.1	1065.2	1200	1200
New weighted rating	1090.1	1065.2	1200	1200
New weighted performance	0	0	0	0
Temp new rating	1090.1	1065.2	1200	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1090.1	1065.2	1200	1200
New K-factor	36	36	36	36
New floor	700	700	700	700

Item	Main	Standard
	0	0
	0	0
	0	0
	0	0
	0	0
	0	0
History	10	10

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	U18
Region	Eden (WEG)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
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	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	10	3	30	-170	1086	916
Standard	10	3	30	-170	1086	916
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1090.1	1065.2	1200	1200
2025-09-01	1090.1	1065.2	1200	1200
2025-08-01	1090.1	1065.2	1200	1200
2025-07-01	1090.1	1065.2	1200	1200
2025-06-01	1090.1	1065.2	1200	1200
2025-05-01	1090.1	1065.2	1200	1200
2025-04-01	1090.1	1065.2	1200	1200
2025-03-01	1090.1	1065.2	1200	1200
2025-02-01	1090.1	1065.2	1200	1200
2025-01-01	1090.1	1065.2	1200	1200
2024-12-01	1090.1	1065.2	1200	1200
2024-11-01	1090.1	1065.2	1200	1200
2024-10-01	1090.1	1065.2	1200	1200
2024-09-01	1090.1	1065.2	1200	1200
2024-08-01	1090.1	1065.2	1200	1200
2024-07-01	1090.1	1065.2	1200	1200
2024-06-01	1090.1	1065.2	1200	1200
2024-08-01	1090.1	1065.2	1200	1200
2024-04-01	1090.1	1065.2	1200	1200
2024-03-01	1090.1	1065.2	1200	1200
2024-02-01	1090.1	1065.2	1200	1200
2024-01-01	1090.1	1065.2	1200	1200
2023-12-01	1090.1	1065.2	1200	1200
2023-11-01	1090.1	1065.2	1200	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	George Trials 3 2019 (U12)	2019-02-23	2019-02-23	Standard	Eden (WEG)	5	5	1	Yes	Analysis
2	George Trials 2 2019 (U12)	2019-02-09	2019-02-09	Standard	Eden (WEG)	5	5	2	Yes	Analysis

#	Games	Start				End
1	1	Tournament George Trials 3 2019				Tournament George Trials 3 2019
		date 2019-02-23	rnd 2	type Standard	result 1	date 2019-02-23	rnd 2	type Standard	result 1
		Opponent Swanepoel, W (Wil-Landre)				Opponent Swanepoel, W (Wil-Landre)
2	1	Tournament George Trials 2 2019				Tournament George Trials 2 2019
		date 2019-02-09	rnd 5	type Standard	result 1	date 2019-02-09	rnd 5	type Standard	result 1
		Opponent Van Tonder, J (Johnty)				Opponent Van Tonder, J (Johnty)
3	1	Tournament George Trials 2 2019				Tournament George Trials 2 2019
		date 2019-02-09	rnd 3	type Standard	result 1	date 2019-02-09	rnd 3	type Standard	result 1
		Opponent Swanepoel, W (Wil-Landre)				Opponent Swanepoel, W (Wil-Landre)

#	Games	Start				End
1	1	Tournament George Trials 3 2019				Tournament George Trials 3 2019
		date 2019-02-23	rnd 2	type Standard	result 1	date 2019-02-23	rnd 2	type Standard	result 1
		Opponent Swanepoel, W (Wil-Landre)				Opponent Swanepoel, W (Wil-Landre)
2	1	Tournament George Trials 2 2019				Tournament George Trials 2 2019
		date 2019-02-09	rnd 5	type Standard	result 1	date 2019-02-09	rnd 5	type Standard	result 1
		Opponent Van Tonder, J (Johnty)				Opponent Van Tonder, J (Johnty)
3	1	Tournament George Trials 2 2019				Tournament George Trials 2 2019
		date 2019-02-09	rnd 3	type Standard	result 1	date 2019-02-09	rnd 3	type Standard	result 1
		Opponent Swanepoel, W (Wil-Landre)				Opponent Swanepoel, W (Wil-Landre)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	1	Tournament George Trials 3 2019				Tournament George Trials 3 2019
		date 2019-02-23	rnd 2	type Standard	result 1	date 2019-02-23	rnd 2	type Standard	result 1
		Opponent Swanepoel, W (Wil-Landre)				Opponent Swanepoel, W (Wil-Landre)
2	1	Tournament George Trials 2 2019				Tournament George Trials 2 2019
		date 2019-02-09	rnd 5	type Standard	result 1	date 2019-02-09	rnd 5	type Standard	result 1
		Opponent Van Tonder, J (Johnty)				Opponent Van Tonder, J (Johnty)
3	1	Tournament George Trials 2 2019				Tournament George Trials 2 2019
		date 2019-02-09	rnd 3	type Standard	result 1	date 2019-02-09	rnd 3	type Standard	result 1
		Opponent Swanepoel, W (Wil-Landre)				Opponent Swanepoel, W (Wil-Landre)

#	Games	Start				End
1	1	Tournament George Trials 3 2019				Tournament George Trials 3 2019
		date 2019-02-23	rnd 2	type Standard	result 1	date 2019-02-23	rnd 2	type Standard	result 1
		Opponent Swanepoel, W (Wil-Landre)				Opponent Swanepoel, W (Wil-Landre)
2	1	Tournament George Trials 2 2019				Tournament George Trials 2 2019
		date 2019-02-09	rnd 5	type Standard	result 1	date 2019-02-09	rnd 5	type Standard	result 1
		Opponent Van Tonder, J (Johnty)				Opponent Van Tonder, J (Johnty)
3	1	Tournament George Trials 2 2019				Tournament George Trials 2 2019
		date 2019-02-09	rnd 3	type Standard	result 1	date 2019-02-09	rnd 3	type Standard	result 1
		Opponent Swanepoel, W (Wil-Landre)				Opponent Swanepoel, W (Wil-Landre)

No games found.

#	Games	Start				End

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	Nortje ,M (Marthinus)	2	0	-425	2	0	-425	0	0	0	0	0	0
1	Nortje ,M (Marthinus)	2	1022.4	597.4	2	995.2	597.4	0	0	0	0	0	0
2	Swanepoel ,W (Wil-Landre)	2	2	425	2	2	425	0	0	0	0	0	0
2	Swanepoel ,W (Wil-Landre)	2	1158.2	1583.2	2	1149.2	1583.2	0	0	0	0	0	0
3	Van Loggerenberg ,U (Ulrich)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Van Loggerenberg ,U (Ulrich)	1	1098.5	673.5	1	1102.8	673.5	0	0	0	0	0	0
4	Van Tonder ,J (Johnty)	1	1	425	1	1	425	0	0	0	0	0	0
4	Van Tonder ,J (Johnty)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
5	Harker ,C (Cassidy)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Harker ,C (Cassidy)	1	1073.1	648.1	1	1054.7	648.1	0	0	0	0	0	0
6	Els ,E (Ewalt)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Els ,E (Ewalt)	1	1137.2	712.2	1	1146.1	712.2	0	0	0	0	0	0
7	Booysen ,S (Simon)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Booysen ,S (Simon)	1	789.9	364.9	1	834.5	364.9	0	0	0	0	0	0
8	Oosthuizen ,M (Morgan)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Oosthuizen ,M (Morgan)	1	1200	775	1	1200	775	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

Grand Prix

Statistics

Notifications

PLAYER PAGE

Personal

Koch, M (Marshall)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms