Chess South Africa Ratings Database

PLAYER PAGE

Personal

Kirchner, M (Miya)

Chess SA id

2110119366

FIDE id

Date of birth

2011-10-26 (U16)

Gender

Female

Region

Cape Winelands (WCW)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-04-27

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

1329.3

Item	Main	Standard	Rapid	Blitz
Rating	1368.9	1355.8	1340.7	1200
Raw rating	1368.9	1355.8	1340.7	1200
Weighted rating	1355	1333.6	1339.2	1200
Weighted performance	1269.8	1257.9	1072.8	0
Floor	869.5	855.8	840.7	700
K-factor	36	36	36	36
Min/Max rating change allowed	130.4	132.8	135.7	165.8
Highest rating	1369.5 2023-12-01	1355.8 2025-05-05	1349.1 2024-03-01	1200 2018-10-01
Highest raw rating	1369.5 2023-12-01	1355.8 2025-05-05	1340.7 2024-04-01	1200 2024-03-01
Highest weighted rating	1369.5 2024-10-01	1355.8 2024-09-01	1337.1 2025-08-01	1200 2018-10-01
Highest weighted performance	1356.7 2023-05-01	1352.9 2022-05-01	1349.1 2024-03-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1368.9	1355.8	1340.7	1200
Analysis
Rating	1368.9	1355.8	1340.7	1200
Raw rating	1368.9	1355.8	1340.7	1200
Weighted rating	1355	1333.6	1339.2
Weighted performance	1269.8	1257.9	1072.8
K-factor	36	36	36	36
Floor	869.5	855.8	840.7	700
Max/Min rating change allowed	130.4	132.8	135.7	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	1368.9	1355.8	1340.7	1200
New weighted rating	1356.2	1335.8	1339.7	1200
New weighted performance	1269.3	1257.4	1072.3	0
Temp new rating	1368.9	1355.8	1340.7	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1368.9	1355.8	1340.7	1200
New K-factor	36	36	36	36
New floor	869.5	855.8	840.7	700

Item	Main	Standard	Rapid
	0	0	0
	16	16	0
	28	16	12
	38	26	12
	34	25	9
	0	0	0
History	125	83	42

Games since
	Main 50	Standard 32		Rapid 18		Blitz 0
Gender	Female
Age group	U16
Region	Cape Winelands (WCW)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	2474		772		117
Female	439		179		31
U16	387		132		25
U16 Female	92		40		8
Standard
	RSA		Province		Region
Overall	2502		701		100
Female	461		177		28
U16	394		127		23
U16 Female	91		39		7
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U16	-1		-1		-1
U16 Female	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U16	-1		-1		-1
U16 Female	-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	16	10	62.5	106.2	1309.4	1415.7
Standard	16	10	62.5	106.2	1309.4	1415.7
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	125	73.5	58.8	74.8	1253.6	1328.4
Standard	83	49	59.04	76.8	1268.3	1345.1
Rapid	42	24.5	58.33	70.8	1224.6	1295.4
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1368.9	1355.8	1340.7	1200
2025-09-01	1368.9	1355.8	1340.7	1200
2025-08-01	1368.9	1355.8	1340.7	1200
2025-07-01	1368.9	1355.8	1340.7	1200
2025-06-01	1368.9	1355.8	1340.7	1200
2025-05-01	1368.9	1355.8	1340.7	1200
2025-04-01	1366.8	1349.3	1340.7	1200
2025-03-01	1363.8	1344.6	1340.7	1200
2025-02-01	1341	1313	1340.7	1200
2025-01-01	1322.6	1287.5	1340.7	1200
2024-12-01	1322.6	1287.5	1340.7	1200
2024-11-01	1322.6	1287.5	1340.7	1200
2024-10-01	1342.6	1317.4	1340.7	1200
2024-09-01	1342.6	1317.4	1340.7	1200
2024-08-01	1342.6	1317.4	1340.7	1200
2024-07-01	1342.6	1317.4	1340.7	1200
2024-06-01	1342.6	1317.4	1340.7	1200
2024-08-01	1345	1313.4	1340.7	1200
2024-04-01	1345	1313.4	1340.7	1200
2024-03-01	1365.2	1333.6	1318.4	1200
2024-02-01	1369.5	1333.6	1306.2	1200
2024-01-01	1369.5	1333.6	1306.2	1200
2023-12-01	1369.5	1333.6	1306.2	1200
2023-11-01	1369.5	1333.6	1306.2	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	Western Cape Schools Individual Championship 2025 (U15 Girls)	2025-04-26	2025-04-27	Standard	West Coast (WCU)	6	6	3	Yes	Analysis
2	Cape Winelands Schools Prestige 2025 (U15 Girls)	2025-03-08	2025-03-08	Standard	Cape Winelands (WCW)	5	5	3	Yes	Analysis
3	Cape Winelands Schools - Trials 1 2025 (U15 Gils)	2025-02-08	2025-02-08	Standard	Cape Winelands (WCW)	5	5	4	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Western Cape Schools Individual Championship 2025 (U15 Girls)	2025-04-26	2025-04-27	Standard	West Coast (WCU)	6	6	3	Yes	Analysis
2	Cape Winelands Schools Prestige 2025 (U15 Girls)	2025-03-08	2025-03-08	Standard	Cape Winelands (WCW)	5	5	3	Yes	Analysis
3	Cape Winelands Schools - Trials 1 2025 (U15 Gils)	2025-02-08	2025-02-08	Standard	Cape Winelands (WCW)	5	5	4	Yes	Analysis
4	Strategema Chess October 2024 (U13)	2024-10-05	2024-10-05	Standard	Cape Winelands (WCW)	5	5	1.5	Yes	Analysis
5	Western Cape PS Individuals Championship 2024 (U13 Girls)	2024-05-04	2024-05-05	Standard	West Coast (WCU)	6	6	3	Yes	Analysis
6	Brave Knights 2024 (U13)	2024-03-16	2024-03-16	Rapid	Cape Winelands (WCW)	6	6	4	Yes	Analysis
7	Cape Winelands Schools - Prestige 2024 (U13 Girls)	2024-03-02	2024-03-02	Standard	Cape Winelands (WCW)	5	5	3	Yes	Analysis
8	Cape Winelands Schools - PS Trials 1 2024 (U13 Girls)	2024-02-10	2024-02-10	Rapid	Cape Winelands (WCW)	6	6	4	Yes	Analysis
9	Ashton Skaakmat Rapid 2023 (U13)	2023-11-18	2023-11-18	Rapid	Cape Winelands (WCW)	6	6	5	Yes	Analysis
10	Cape Winelands Open 2023 (U14)	2023-07-23	2023-07-23	Standard	Cape Winelands (WCW)	5	5	2.5	Yes	Analysis
11	Cape Town Junior League 2nd Qualifier 2023 (U16)	2023-06-03	2023-06-03	Rapid	Cape Town (WCT)	6	6	4	Yes	Analysis
12	Western Cape PS Individuals 2023 (U13 Girls)	2023-05-05	2023-05-06	Standard	Cape Town (WCT)	6	6	3.5	Yes	Analysis
13	Strategema 2023 (U11+U13)	2023-05-13	2023-05-13	Standard	Cape Winelands (WCW)	5	5	3	Yes	Analysis
14	Cape Winelands Schools Prestige 2023 (U13 Girls)	2023-03-11	2023-03-11	Standard	Cape Winelands (WCW)	5	5	3	Yes	Analysis
15	Cape Winelands Schools Chess - Trials 1 2023 (U13 Girls)	2023-02-18	2023-02-18	Standard	Cape Winelands (WCW)	5	5	3.5	Yes	Analysis
16	CW Grass Roots Tournament 2022 (U11 Girls)	2022-11-19	2022-11-19	Standard	Cape Winelands (WCW)	5	4	3	Yes	Analysis
17	Robertson Strategema Club 2022 (U13)	2022-10-29	2022-10-29	Standard	Cape Winelands (WCW)	5	5	3	Yes	Analysis
18	Strategema 2022 (U13)	2022-09-10	2022-09-10	Standard	Cape Winelands (WCW)	5	5	3	Yes	Analysis
19	Western Cape Schools 2022 (U11 Girls)	2022-05-28	2022-05-29	Standard	Cape Winelands (WCW)	6	6	4	Yes	Analysis
20	Strategema Chess Festival 2022 (U11 Girls)	2022-05-14	2022-05-14	Rapid	Cape Winelands (WCW)	5	4	2	Yes	Analysis
21	McGregor Kings Chess Festival 2022 (U11)	2022-04-09	2022-04-09	Rapid	Cape Winelands (WCW)	5	5	3	Yes	Analysis
22	Cape Winelands Schools 2022 (U11 Girls)	2022-03-12	2022-03-12	Standard	Cape Winelands (WCW)	5	5	3	Yes	Analysis
23	Robertson Chess 2020 (U9)	2020-03-07	2020-03-07	Rapid	Cape Winelands (WCW)	5	4	1	Yes	Analysis
24	Robertson Strategema 2019 (U7)	2019-10-05	2019-10-05	Rapid	Cape Winelands (WCW)	5	5	1.5	Yes	Analysis

#	Games	Start				End
1	6	Tournament Cape Winelands Schools - Trials 1 2025				Tournament Cape Winelands Schools Prestige 2025
		date 2025-02-08	rnd 3	type Standard	result 1	date 2025-03-08	rnd 3	type Standard	result 1
		Opponent Badenhorst, I (Isabella)				Opponent Joseph, C (Chlo� Elizabeth)
2	6	Tournament Cape Winelands Schools - Prestige 2024				Tournament Brave Knights 2024
		date 2024-03-02	rnd 3	type Standard	result 1	date 2024-03-16	rnd 3	type Rapid	result 1
		Opponent Fortuin, A (Ashanti)				Opponent Joel, R (Roneeq)
3	5	Tournament Ashton Skaakmat Rapid 2023				Tournament Ashton Skaakmat Rapid 2023
		date 2023-11-18	rnd 1	type Rapid	result 1	date 2023-11-18	rnd 5	type Rapid	result 1
		Opponent September, C (Cindy-Joy)				Opponent Adendorff, M (Mia)

#	Games	Start				End
1	6	Tournament Cape Winelands Schools - Trials 1 2025				Tournament Cape Winelands Schools Prestige 2025
		date 2025-02-08	rnd 3	type Standard	result 1	date 2025-03-08	rnd 3	type Standard	result 1
		Opponent Badenhorst, I (Isabella)				Opponent Joseph, C (Chlo� Elizabeth)
2	4	Tournament Cape Winelands Schools - Prestige 2024				Tournament Western Cape PS Individuals Championship 2024
		date 2024-03-02	rnd 3	type Standard	result 1	date 2024-05-04	rnd 1	type Standard	result 1
		Opponent Fortuin, A (Ashanti)				Opponent Rock, M (Mieke)
3	4	Tournament Cape Winelands Schools Chess - Trials 1 2023				Tournament Cape Winelands Schools Chess - Trials 1 2023
		date 2023-02-18	rnd 1	type Standard	result 1	date 2023-02-18	rnd 4	type Standard	result 1
		Opponent Bezuidenhoudt, D (Danielle)				Opponent Visser, K (Katie)

#	Games	Start				End
1	5	Tournament Ashton Skaakmat Rapid 2023				Tournament Ashton Skaakmat Rapid 2023
		date 2023-11-18	rnd 1	type Rapid	result 1	date 2023-11-18	rnd 5	type Rapid	result 1
		Opponent September, C (Cindy-Joy)				Opponent Adendorff, M (Mia)
2	4	Tournament Cape Town Junior League 2nd Qualifier 2023				Tournament Cape Town Junior League 2nd Qualifier 2023
		date 2023-06-03	rnd 1	type Rapid	result 1	date 2023-06-03	rnd 4	type Rapid	result 1
		Opponent Madolo, N (Nqaba)				Opponent Bowers, C (Chad)
3	3	Tournament Brave Knights 2024				Tournament Brave Knights 2024
		date 2024-03-16	rnd 1	type Rapid	result 1	date 2024-03-16	rnd 3	type Rapid	result 1
		Opponent Lukas, J (Jaymilee)				Opponent Joel, R (Roneeq)

No games found.

#	Games	Start				End

#	Games	Start				End
1	6	Tournament Cape Winelands Schools - Trials 1 2025				Tournament Cape Winelands Schools Prestige 2025
		date 2025-02-08	rnd 3	type Standard	result 1	date 2025-03-08	rnd 3	type Standard	result 1
		Opponent Badenhorst, I (Isabella)				Opponent Joseph, C (Chlo� Elizabeth)
2	6	Tournament Cape Winelands Schools - Prestige 2024				Tournament Brave Knights 2024
		date 2024-03-02	rnd 3	type Standard	result 1	date 2024-03-16	rnd 3	type Rapid	result 1
		Opponent Fortuin, A (Ashanti)				Opponent Joel, R (Roneeq)
3	5	Tournament Ashton Skaakmat Rapid 2023				Tournament Ashton Skaakmat Rapid 2023
		date 2023-11-18	rnd 1	type Rapid	result 1	date 2023-11-18	rnd 5	type Rapid	result 1
		Opponent September, C (Cindy-Joy)				Opponent Adendorff, M (Mia)

#	Games	Start				End
1	6	Tournament Cape Winelands Schools - Trials 1 2025				Tournament Cape Winelands Schools Prestige 2025
		date 2025-02-08	rnd 3	type Standard	result 1	date 2025-03-08	rnd 3	type Standard	result 1
		Opponent Badenhorst, I (Isabella)				Opponent Joseph, C (Chlo� Elizabeth)
2	4	Tournament Cape Winelands Schools - Prestige 2024				Tournament Western Cape PS Individuals Championship 2024
		date 2024-03-02	rnd 3	type Standard	result 1	date 2024-05-04	rnd 1	type Standard	result 1
		Opponent Fortuin, A (Ashanti)				Opponent Rock, M (Mieke)
3	4	Tournament Western Cape Schools 2022				Tournament Western Cape Schools 2022
		date 2022-05-28	rnd 3	type Standard	result 1	date 2022-05-29	rnd 6	type Standard	result 1
		Opponent Blignaut, L (Liza)				Opponent Douglas, C (Caitlin)

#	Games	Start				End
1	5	Tournament Ashton Skaakmat Rapid 2023				Tournament Ashton Skaakmat Rapid 2023
		date 2023-11-18	rnd 1	type Rapid	result 1	date 2023-11-18	rnd 5	type Rapid	result 1
		Opponent September, C (Cindy-Joy)				Opponent Adendorff, M (Mia)
2	4	Tournament Cape Town Junior League 2nd Qualifier 2023				Tournament Cape Town Junior League 2nd Qualifier 2023
		date 2023-06-03	rnd 1	type Rapid	result 1	date 2023-06-03	rnd 4	type Rapid	result 1
		Opponent Madolo, N (Nqaba)				Opponent Bowers, C (Chad)
3	3	Tournament Brave Knights 2024				Tournament Brave Knights 2024
		date 2024-03-16	rnd 1	type Rapid	result 1	date 2024-03-16	rnd 3	type Rapid	result 1
		Opponent Lukas, J (Jaymilee)				Opponent Joel, R (Roneeq)

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	Thorpe ,C (Claire)	4	0	-425	3	0	-425	1	0	-425	0	0	0
1	Thorpe ,C (Claire)	4	1440.4	1015.4	3	1468.2	1015.4	1	1332.4	1015.4	0	0	0
2	April ,T (Tamlin)	3	0	-425	3	0	-425	0	0	0	0	0	0
2	April ,T (Tamlin)	3	1368.3	943.3	3	1375.9	943.3	0	0	0	0	0	0
3	Reynard ,R (Ree-Shaan)	3	1	-141.7	3	1	-141.7	0	0	0	0	0	0
3	Reynard ,R (Ree-Shaan)	3	1279.8	1138.1	3	1264.6	1138.1	0	0	0	0	0	0
4	Van Deventer ,L (Lia)	3	1	-141.7	2	0	-425	1	1	425	0	0	0
4	Van Deventer ,L (Lia)	3	1355.7	1214	2	1325.9	930.7	1	1337.2	1780.7	0	0	0
5	Robertson ,J (Jonah)	3	0	-425	1	0	-425	2	0	-425	0	0	0
5	Robertson ,J (Jonah)	3	1558.1	1133.1	1	1526.5	1133.1	2	1541.4	1133.1	0	0	0
6	Mvundura ,I (Israela)	3	1	-141.7	1	0	-425	2	1	0	0	0	0
6	Mvundura ,I (Israela)	3	1206.6	1064.9	1	1200	781.6	2	1212.9	1206.6	0	0	0
7	Visser ,K (Katie)	3	2	141.7	1	1	425	2	1	0	0	0	0
7	Visser ,K (Katie)	3	1249.2	1390.9	1	1285	1674.2	2	1239.3	1249.2	0	0	0
8	Lukas ,J (Janeva)	3	0	-425	0	0	0	3	0	-425	0	0	0
8	Lukas ,J (Janeva)	3	1267	842	0	0	0	3	1327.1	842	0	0	0
9	Douglas ,C (Caitlin)	2	2	425	2	2	425	0	0	0	0	0	0
9	Douglas ,C (Caitlin)	2	1345.2	1770.2	2	1350.4	1770.2	0	0	0	0	0	0
10	Bezuidenhoudt ,D (Danielle)	2	2	425	2	2	425	0	0	0	0	0	0
10	Bezuidenhoudt ,D (Danielle)	2	1105.9	1530.9	2	1169.8	1530.9	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

Kirchner, M (Miya)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms