Chess South Africa Ratings Database

PLAYER PAGE

Personal

Buchebner, M (Mikayla)

Chess SA id

2130144760

FIDE id

Date of birth

2013-01-25 (U14)

Gender

Female

Region

Sedibeng (GSV)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-09-27

Personal details last changed

1900-01-01

Junior GPX Games

40.5

Junior GPX Points

1238.9

Item	Main	Standard	Rapid	Blitz
Rating	1362.9	1387.4	1189.9	1200
Raw rating	1337.2	1382.7	1189.9	1200
Weighted rating	1362.9	1387.4	1189.9	1200
Weighted performance	1179.9	1286.7	0	0
Floor	932.5	927.4	700	700
K-factor	32	32	36	36
Min/Max rating change allowed	136.4	127.8	168.2	165.8
Highest rating	1448.1 2024-08-01	1442.9 2024-08-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1432.5 2024-09-01	1427.4 2024-09-01	1200 2019-12-01	1200 2024-03-01
Highest weighted rating	1362.9 2025-11-01	1387.4 2025-11-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1448.1 2024-08-01	1442.9 2024-08-01	1200 2019-12-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	-0.9	1.7	0	0
New rating	1362	1389.1	1189.9	1200
Analysis
Rating	1362.9	1387.4	1189.9	1200
Raw rating	1337.2	1382.7	1189.9	1200
Weighted rating	1362.9	1387.4	1189.9
Weighted performance	1179.9	1286.7	0
K-factor	32	32	36	36
Floor	932.5	927.4	700	700
Max/Min rating change allowed	136.4	127.8	168.2	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	1337.2	1382.7	1189.9	1200
New weighted rating	1362	1389.1	1189.9	1200
New weighted performance	1172.7	1278.7	0	0
Temp new rating	1362	1389.1	1189.9	1200
Temp new rating +/-	-0.9	1.7	0	0
Final new rating +/-	-0.9	1.7	0	0
New rating	1362	1389.1	1189.9	1200
New K-factor	32	32	36	36
New floor	932.5	927.4	700	700

Item	Main	Standard	Rapid
	0	0	0
	27	15	12
	64	64	0
	23	18	5
	10	10	0
	0	0	0
History	124	107	17

Games since
	Main 91	Standard 79		Rapid 12		Blitz 0
Gender	Female
Age group	U14
Region	Sedibeng (GSV)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	2589		893		89
Female	468		164		14
U14	437		144		19
U14 Female	107		36		4
Standard
	RSA		Province		Region
Overall	2234		835		81
Female	389		149		13
U14	374		137		18
U14 Female	93		37		5
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U14	-1		-1		-1
U14 Female	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U14	-1		-1		-1
U14 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	27	13	48.15	-15.7	1302.1	1286.4
Standard	15	9.5	63.33	113.3	1282.3	1395.6
Rapid	12	3.5	29.17	-177.1	1326.9	1149.8
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	124	70	56.45	54.8	1269.6	1324.5
Standard	107	64.5	60.28	87.4	1258.2	1345.6
Rapid	17	5.5	32.35	-150	1341.3	1191.3
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1337.2	1382.7	1189.9	1200
2025-09-30	1361.1	1422.1	1189.9	1200
2025-09-01	1361.1	1422.1	1189.9	1200
2025-08-01	1361.1	1422.1	1189.9	1200
2025-07-01	1361.1	1422.1	1189.8	1200
2025-06-01	1361.1	1422.1	1187.8	1200
2025-05-01	1368.3	1391.1	1190.3	1200
2025-04-01	1368.3	1391.1	1188.8	1200
2025-03-01	1397.1	1391.1	1190.9	1200
2025-02-01	1388.9	1378.7	1190.9	1200
2025-01-01	1388.9	1378.7	1190	1200
2024-12-01	1392.2	1381.3	1190	1200
2024-11-01	1406	1397.3	1190	1200
2024-10-01	1419	1411.1	1190	1200
2024-09-01	1432.5	1427.4	1190	1200
2024-08-01	1343.5	1339.5	1190	1200
2024-07-01	1295.4	1291.6	1190	1200
2024-09-01	1275.1	1266	1190	1200
2024-05-01	1275.1	1266	1190	1200
2024-04-01	1270.9	1259.2	1190	1200
2024-03-01	1315.1	1324	1190	1200
2024-02-01	1315.1	1324	1190	1200
2024-01-01	1277.5	1286.9	1190	1200
2023-12-01	1277.5	1286.9	1190	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	2025 Gauteng Schools Provincial Individual Chess Championship (U13 Girls)	2025-09-27	2025-09-27	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
2	RMS Rapid Chess Open 31 May 2025 (U13)	2025-05-31	2025-05-31	Rapid	Sedibeng (GSV)	6	6	1.5	Yes	Analysis
3	GDE Sedibeng East Schools - D7 Individuals 24 May 2025 (U13 Girls)	2025-05-24	2025-05-24	Standard	Sedibeng (GSV)	5	5	4	Yes	Analysis
4	Destinata Rapid Open 025 (D)	2025-03-15	2025-03-15	Rapid	Sedibeng (GSV)	6	6	2	Yes	Analysis
5	Laer Volkskool Open 15 Feb 2025 (D)	2025-02-15	2025-02-15	Standard	Sedibeng (GSV)	5	5	3.5	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	2025 Gauteng Schools Provincial Individual Chess Championship (U13 Girls)	2025-09-27	2025-09-27	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
2	RMS Rapid Chess Open 31 May 2025 (U13)	2025-05-31	2025-05-31	Rapid	Sedibeng (GSV)	6	6	1.5	Yes	Analysis
3	GDE Sedibeng East Schools - D7 Individuals 24 May 2025 (U13 Girls)	2025-05-24	2025-05-24	Standard	Sedibeng (GSV)	5	5	4	Yes	Analysis
4	Destinata Rapid Open 025 (D)	2025-03-15	2025-03-15	Rapid	Sedibeng (GSV)	6	6	2	Yes	Analysis
5	Laer Volkskool Open 15 Feb 2025 (D)	2025-02-15	2025-02-15	Standard	Sedibeng (GSV)	5	5	3.5	Yes	Analysis
6	Gauteng Inter-Region at UJ 2024 (U12 Girls)	2024-12-07	2024-12-08	Standard	Johannesburg Metro (GJM)	5	4	2	Yes	Analysis
7	Queens Gambit Chess Open 2024 (D)	2024-11-23	2024-11-23	Standard	Sedibeng (GSV)	5	5	3	Yes	Analysis
8	NWU Vaal Chess Open 12 Oct 2024 (D)	2024-10-12	2024-10-12	Standard	Sedibeng (GSV)	5	5	3.5	Yes	Analysis
9	Gauteng Top Schools 2024 (U11 Open)	2024-10-04	2024-10-04	Standard	Ekurhuleni (GE)	5	5	2.5	Yes	Analysis
10	Gauteng Schools Individuals Finals 2024 (U11 Girls)	2024-08-16	2024-08-16	Standard	Ekurhuleni (GE)	5	5	3	Yes	Analysis
11	Sedibeng East D7 Teams Trials 2024 (U11)	2024-08-03	2024-08-03	Standard	Sedibeng (GSV)	5	5	5	Yes	Analysis
12	Eureka Open 27 July 2024 (G)	2024-07-27	2024-07-27	Standard	Sedibeng (GSV)	5	5	3	Yes	Analysis
13	AG Visser Open 2024 (D)	2024-06-08	2024-06-08	Standard	Sedibeng (GSV)	5	5	3	Yes	Analysis
14	Hoerskool Overvaal Chess Open 2024 (D)	2024-04-20	2024-04-20	Standard	Sedibeng (GSV)	5	5	3	Yes	Analysis
15	Valia's Open 2024 (D)	2024-03-02	2024-03-02	Standard	Sedibeng (GSV)	5	5	3	Yes	Analysis
16	NG Kerk Vanderbijlpark Suid 2024 (D)	2024-02-24	2024-02-24	Standard	Sedibeng (GSV)	5	5	3	Yes	Analysis
17	Laerskool Midvaal Chess Open Section 2024 (C)	2024-02-10	2024-02-10	Standard	Sedibeng (GSV)	5	5	1	Yes	Analysis
18	2024 Gauteng Inter-Region Chess Championship (U12 Girls B)	2024-01-13	2024-01-14	Standard	Tshwane (GTP)	5	5	4	Yes	Analysis
19	Dr Pieter Hangelbroek Rapid 2023 (C)	2023-10-28	2023-10-28	Rapid	Sedibeng (GSV)	5	5	2	Yes	Analysis
20	Gauteng D7 Teams 2023 (U11)	2023-08-12	2023-08-12	Standard	Sedibeng (GSV)	5	4	2.5	Yes	Analysis
21	Gauteng Schools D7 2023 (U11 Girls)	2023-05-20	2023-05-20	Standard	Sedibeng (GSV)	5	5	3.5	Yes	Analysis
22	Heidelberg Open 2023 (D)	2023-02-04	2023-02-04	Standard	Sedibeng (GSV)	5	5	4	Yes	Analysis
23	AG Visser Open 2023 (C)	2023-02-18	2023-02-18	Standard	Sedibeng (GSV)	5	4	1	Yes	Analysis
24	D7 Teams 2022 (U9+U11 Mixed)	2022-08-13	2022-08-13	Standard	Sedibeng (GSV)	5	5	2	Yes	Analysis
25	2022 Gauteng Schools Team Championships (U9 Open)	2022-08-27	2022-08-27	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis

#	Games	Start				End
1	7	Tournament Gauteng Top Schools 2024				Tournament Queens Gambit Chess Open 2024
		date 2024-10-04	rnd 5	type Standard	result 1	date 2024-11-23	rnd 1	type Standard	result 1
		Opponent Sibulawa, A (Anele)				Opponent Hunter, C (Caitlyn)
2	7	Tournament Sedibeng East D7 Teams Trials 2024				Tournament Gauteng Schools Individuals Finals 2024
		date 2024-08-03	rnd 1	type Standard	result 1	date 2024-08-16	rnd 2	type Standard	result 1
		Opponent Derena, S (Samalin Herego)				Opponent Mkhize, N (Nompilo)
3	5	Tournament Gauteng D7 Teams 2023				Tournament Dr Pieter Hangelbroek Rapid 2023
		date 2023-08-12	rnd 3	type Standard	result 1	date 2023-10-28	rnd 2	type Rapid	result 1
		Opponent Moropodi, S (Sechaba)				Opponent Weber, KP (Keagan)

#	Games	Start				End
1	7	Tournament Gauteng Top Schools 2024				Tournament Queens Gambit Chess Open 2024
		date 2024-10-04	rnd 5	type Standard	result 1	date 2024-11-23	rnd 1	type Standard	result 1
		Opponent Sibulawa, A (Anele)				Opponent Hunter, C (Caitlyn)
2	7	Tournament Sedibeng East D7 Teams Trials 2024				Tournament Gauteng Schools Individuals Finals 2024
		date 2024-08-03	rnd 1	type Standard	result 1	date 2024-08-16	rnd 2	type Standard	result 1
		Opponent Derena, S (Samalin Herego)				Opponent Mkhize, N (Nompilo)
3	6	Tournament Gauteng D7 Teams 2023				Tournament 2024 Gauteng Inter-Region Chess Championship
		date 2023-08-12	rnd 3	type Standard	result 1	date 2024-01-13	rnd 3	type Standard	result 1
		Opponent Moropodi, S (Sechaba)				Opponent Bensch, I (Ivanka)

#	Games	Start				End
1	2	Tournament Dr Pieter Hangelbroek Rapid 2023				Tournament Dr Pieter Hangelbroek Rapid 2023
		date 2023-10-28	rnd 1	type Rapid	result 1	date 2023-10-28	rnd 2	type Rapid	result 1
		Opponent Viljoen, C (Chene)				Opponent Weber, KP (Keagan)
2	1	Tournament RMS Rapid Chess Open 31 May 2025				Tournament RMS Rapid Chess Open 31 May 2025
		date 2025-05-31	rnd 6	type Rapid	result 0.5	date 2025-05-31	rnd 6	type Rapid	result 0.5
		Opponent Dippenaar, E (Ethan)				Opponent Dippenaar, E (Ethan)
3	1	Tournament RMS Rapid Chess Open 31 May 2025				Tournament RMS Rapid Chess Open 31 May 2025
		date 2025-05-31	rnd 3	type Rapid	result 1	date 2025-05-31	rnd 3	type Rapid	result 1
		Opponent Dippenaar, E (Ethan)				Opponent Dippenaar, E (Ethan)

No games found.

#	Games	Start				End

#	Games	Start				End
1	7	Tournament Sedibeng East D7 Teams Trials 2024				Tournament Gauteng Schools Individuals Finals 2024
		date 2024-08-03	rnd 1	type Standard	result 1	date 2024-08-16	rnd 2	type Standard	result 1
		Opponent Derena, S (Samalin Herego)				Opponent Mkhize, N (Nompilo)
2	3	Tournament GDE Sedibeng East Schools - D7 Individuals 24 May 2025				Tournament GDE Sedibeng East Schools - D7 Individuals 24 May 2025
		date 2025-05-24	rnd 1	type Standard	result 1	date 2025-05-24	rnd 3	type Standard	result 1
		Opponent Ndhlebe, L (Lubanzi Halaletsang)				Opponent van der Walt, K (Kiera)
3	3	Tournament Laer Volkskool Open 15 Feb 2025				Tournament Destinata Rapid Open 025
		date 2025-02-15	rnd 4	type Standard	result 1	date 2025-03-15	rnd 1	type Rapid	result 1
		Opponent Le Roux, M (Meiring)				Opponent van Schalkwyk, A (Alyssa)

#	Games	Start				End
1	7	Tournament Sedibeng East D7 Teams Trials 2024				Tournament Gauteng Schools Individuals Finals 2024
		date 2024-08-03	rnd 1	type Standard	result 1	date 2024-08-16	rnd 2	type Standard	result 1
		Opponent Derena, S (Samalin Herego)				Opponent Mkhize, N (Nompilo)
2	5	Tournament Laer Volkskool Open 15 Feb 2025				Tournament GDE Sedibeng East Schools - D7 Individuals 24 May 2025
		date 2025-02-15	rnd 4	type Standard	result 1	date 2025-05-24	rnd 3	type Standard	result 1
		Opponent Le Roux, M (Meiring)				Opponent van der Walt, K (Kiera)
3	3	Tournament Gauteng Inter-Region at UJ 2024				Tournament Laer Volkskool Open 15 Feb 2025
		date 2024-12-08	rnd 4	type Standard	result 1	date 2025-02-15	rnd 1	type Standard	result 1
		Opponent Sutherland, K (Kiona)				Opponent Cilliers, S (Stefan)

#	Games	Start				End
1	2	Tournament Dr Pieter Hangelbroek Rapid 2023				Tournament Dr Pieter Hangelbroek Rapid 2023
		date 2023-10-28	rnd 1	type Rapid	result 1	date 2023-10-28	rnd 2	type Rapid	result 1
		Opponent Viljoen, C (Chene)				Opponent Weber, KP (Keagan)
2	1	Tournament RMS Rapid Chess Open 31 May 2025				Tournament RMS Rapid Chess Open 31 May 2025
		date 2025-05-31	rnd 3	type Rapid	result 1	date 2025-05-31	rnd 3	type Rapid	result 1
		Opponent Dippenaar, E (Ethan)				Opponent Dippenaar, E (Ethan)
3	1	Tournament Destinata Rapid Open 025				Tournament Destinata Rapid Open 025
		date 2025-03-15	rnd 3	type Rapid	result 1	date 2025-03-15	rnd 3	type Rapid	result 1
		Opponent Le Roux, M (Meiring)				Opponent Le Roux, M (Meiring)

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	Bezuidenhoudt ,M (Marlo)	4	1	-212.5	4	1	-212.5	0	0	0	0	0	0
1	Bezuidenhoudt ,M (Marlo)	4	1330.4	1117.9	4	1334.3	1117.9	0	0	0	0	0	0
2	Du Toit ,M (Monika)	3	2	141.7	3	2	141.7	0	0	0	0	0	0
2	Du Toit ,M (Monika)	3	1231.6	1373.2	3	1220.8	1373.2	0	0	0	0	0	0
3	Van Der Merwe ,W (Willem)	3	2	141.7	3	2	141.7	0	0	0	0	0	0
3	Van Der Merwe ,W (Willem)	3	1302.6	1444.3	3	1297.4	1444.3	0	0	0	0	0	0
4	van der Walt ,K (Kiera)	3	1.5	0	3	1.5	0	0	0	0	0	0	0
4	van der Walt ,K (Kiera)	3	1292.2	1292.2	3	1288.1	1292.2	0	0	0	0	0	0
5	Sampson ,C (Cadon)	3	1.5	0	2	1.5	212.5	1	0	-425	0	0	0
5	Sampson ,C (Cadon)	3	1297.7	1297.7	2	1251.8	1510.2	1	1200	872.7	0	0	0
6	Emanuel ,C (Caitlin)	3	0	-425	1	0	-425	2	0	-425	0	0	0
6	Emanuel ,C (Caitlin)	3	1367	942	1	1344.8	942	2	1286.3	942	0	0	0
7	Wagner ,E (Elona)	2	0	-425	2	0	-425	0	0	0	0	0	0
7	Wagner ,E (Elona)	2	1377.9	952.9	2	1376.9	952.9	0	0	0	0	0	0
8	Botha ,S (Shadette)	2	2	425	2	2	425	0	0	0	0	0	0
8	Botha ,S (Shadette)	2	1220.1	1645.1	2	1224.2	1645.1	0	0	0	0	0	0
9	Du Toit ,C (Christiaan)	2	2	425	2	2	425	0	0	0	0	0	0
9	Du Toit ,C (Christiaan)	2	1050.9	1475.9	2	1040.4	1475.9	0	0	0	0	0	0
10	Vilakazi ,Z (Zinhle)	2	2	425	2	2	425	0	0	0	0	0	0
10	Vilakazi ,Z (Zinhle)	2	1222.1	1647.1	2	1224.7	1647.1	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

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Statistics

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PLAYER PAGE

Personal

Buchebner, M (Mikayla)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms