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

2025-12-07

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1362.5	1391.4	1189.9	1200
Raw rating	1341.8	1380.8	1189.9	1200
Weighted rating	1362.5	1391.4	1189.9	1200
Weighted performance	1272.8	1328	0	0
Floor	932.5	927.4	700	700
K-factor	32	32	36	36
Min/Max rating change allowed	135.5	128.2	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	1363.2 2025-11-30	1391.4 2026-01-01	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	0.8	0	0
New rating	1361.5	1392.2	1189.9	1200
Analysis
Rating	1362.5	1391.4	1189.9	1200
Raw rating	1341.8	1380.8	1189.9	1200
Weighted rating	1362.5	1391.4	1189.9
Weighted performance	1272.8	1328	0
K-factor	32	32	36	36
Floor	932.5	927.4	700	700
Max/Min rating change allowed	135.5	128.2	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	1341.8	1380.8	1189.9	1200
New weighted rating	1361.5	1392.2	1189.9	1200
New weighted performance	1264.3	1319.1	0	0
Temp new rating	1361.5	1392.2	1189.9	1200
Temp new rating +/-	-0.9	0.8	0	0
Final new rating +/-	-0.9	0.8	0	0
New rating	1361.5	1392.2	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
	32	20	12
	64	64	0
	23	18	5
	10	10	0
	0	0	0
History	129	112	17

Games since
	Main 96	Standard 84		Rapid 12		Blitz 0
Gender	Female
Age group	U14
Region	Sedibeng (GSV)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	2593		893		86
Female	465		163		13
U14	443		147		20
U14 Female	107		36		4
Standard
	RSA		Province		Region
Overall	2113		779		71
Female	362		135		11
U14	349		120		16
U14 Female	85		30		4
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	32	16	50	0	1314.6	1314.6
Standard	20	12.5	62.5	106.2	1307.2	1413.5
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	129	73	56.59	56	1274	1330
Standard	112	67.5	60.27	87.3	1263.8	1351.1
Rapid	17	5.5	32.35	-150	1341.3	1191.3
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2026-01-01	1341.8	1380.8	1189.9	1200
2025-11-30	1352.1	1397.1	1189.9	1200
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
2024-11-01	1343.5	1339.5	1190	1200
2024-07-01	1295.4	1291.6	1190	1200
2024-06-01	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

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	Gauteng Inter-Region at Emerald Resort 2025 (U14 Girls)	2025-12-06	2025-12-07	Standard	Sedibeng (GSV)	5	5	2.5	Yes	Analysis
2	Queen's Gambit Chess Open 29 Nov 2025 (D)	2025-11-29	2025-11-29	Standard	Sedibeng (GSV)	5	5	3	Yes	Analysis
3	2025 Gauteng Schools Provincial Individual Chess Championship (U13 Girls)	2025-09-27	2025-09-27	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
4	RMS Rapid Chess Open 31 May 2025 (U13)	2025-05-31	2025-05-31	Rapid	Sedibeng (GSV)	6	6	1.5	Yes	Analysis
5	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
6	Destinata Rapid Open 025 (D)	2025-03-15	2025-03-15	Rapid	Sedibeng (GSV)	6	6	2	Yes	Analysis
7	Laer Volkskool Open 15 Feb 2025 (D)	2025-02-15	2025-02-15	Standard	Sedibeng (GSV)	5	5	3.5	Yes	Analysis
8	Gauteng Inter-Region at UJ 2024 (U12 Girls)	2024-12-07	2024-12-08	Standard	Johannesburg Metro (GJM)	5	4	2	Yes	Analysis
9	Queens Gambit Chess Open 2024 (D)	2024-11-23	2024-11-23	Standard	Sedibeng (GSV)	5	5	3	Yes	Analysis
10	NWU Vaal Chess Open 12 Oct 2024 (D)	2024-10-12	2024-10-12	Standard	Sedibeng (GSV)	5	5	3.5	Yes	Analysis
11	Gauteng Top Schools 2024 (U11 Open)	2024-10-04	2024-10-04	Standard	Ekurhuleni (GE)	5	5	2.5	Yes	Analysis
12	Gauteng Schools Individuals Finals 2024 (U11 Girls)	2024-08-16	2024-08-16	Standard	Ekurhuleni (GE)	5	5	3	Yes	Analysis
13	Sedibeng East D7 Teams Trials 2024 (U11)	2024-08-03	2024-08-03	Standard	Sedibeng (GSV)	5	5	5	Yes	Analysis
14	Eureka Open 27 July 2024 (G)	2024-07-27	2024-07-27	Standard	Sedibeng (GSV)	5	5	3	Yes	Analysis
15	AG Visser Open 2024 (D)	2024-06-08	2024-06-08	Standard	Sedibeng (GSV)	5	5	3	Yes	Analysis
16	Hoerskool Overvaal Chess Open 2024 (D)	2024-04-20	2024-04-20	Standard	Sedibeng (GSV)	5	5	3	Yes	Analysis
17	Valia's Open 2024 (D)	2024-03-02	2024-03-02	Standard	Sedibeng (GSV)	5	5	3	Yes	Analysis
18	NG Kerk Vanderbijlpark Suid 2024 (D)	2024-02-24	2024-02-24	Standard	Sedibeng (GSV)	5	5	3	Yes	Analysis
19	Laerskool Midvaal Chess Open Section 2024 (C)	2024-02-10	2024-02-10	Standard	Sedibeng (GSV)	5	5	1	Yes	Analysis
20	2024 Gauteng Inter-Region Chess Championship (U12 Girls B)	2024-01-13	2024-01-14	Standard	Tshwane (GTP)	5	5	4	Yes	Analysis
21	Dr Pieter Hangelbroek Rapid 2023 (C)	2023-10-28	2023-10-28	Rapid	Sedibeng (GSV)	5	5	2	Yes	Analysis
22	Gauteng D7 Teams 2023 (U11)	2023-08-12	2023-08-12	Standard	Sedibeng (GSV)	5	4	2.5	Yes	Analysis
23	Gauteng Schools D7 2023 (U11 Girls)	2023-05-20	2023-05-20	Standard	Sedibeng (GSV)	5	5	3.5	Yes	Analysis
24	Heidelberg Open 2023 (D)	2023-02-04	2023-02-04	Standard	Sedibeng (GSV)	5	5	4	Yes	Analysis
25	AG Visser Open 2023 (C)	2023-02-18	2023-02-18	Standard	Sedibeng (GSV)	5	4	1	Yes	Analysis
26	D7 Teams 2022 (U9+U11 Mixed)	2022-08-13	2022-08-13	Standard	Sedibeng (GSV)	5	5	2	Yes	Analysis
27	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	Botha ,S (Shadette)	3	3	425	3	3	425	0	0	0	0	0	0
5	Botha ,S (Shadette)	3	1217.1	1642.1	3	1218.8	1642.1	0	0	0	0	0	0
6	Sampson ,CL (Cadon)	3	1.5	0	2	1.5	212.5	1	0	-425	0	0	0
6	Sampson ,CL (Cadon)	3	1297.7	1297.7	2	1251.8	1510.2	1	1200	872.7	0	0	0
7	Le Roux ,M (Meiring)	3	3	425	2	2	425	1	1	425	0	0	0
7	Le Roux ,M (Meiring)	3	1279.6	1704.6	2	1280.1	1704.6	1	1161	1704.6	0	0	0
8	Emanuel ,C (Caitlin)	3	0	-425	1	0	-425	2	0	-425	0	0	0
8	Emanuel ,C (Caitlin)	3	1367	942	1	1344.8	942	2	1286.3	942	0	0	0
9	Wagner ,E (Elona)	2	0	-425	2	0	-425	0	0	0	0	0	0
9	Wagner ,E (Elona)	2	1377.9	952.9	2	1376.9	952.9	0	0	0	0	0	0
10	Du Toit ,C (Christiaan)	2	2	425	2	2	425	0	0	0	0	0	0
10	Du Toit ,C (Christiaan)	2	1050.9	1475.9	2	1040.4	1475.9	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

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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