Chess South Africa Ratings Database

PLAYER PAGE

Personal

Bairos, M (Michael Oliver)

Chess SA id

1110159777

FIDE id

Date of birth

2011-05-19 (U16)

Gender

Male

Region

Tshwane (GTP)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-08-30

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1372.8	1396.5	1200	1200
Raw rating	1372.8	1396.5	1200	1200
Weighted rating	1338.4	1360.8	1200	1200
Weighted performance	1311.8	1313	0	0
Floor	876.1	905.2	700	700
K-factor	36	32	36	36
Min/Max rating change allowed	129.6	125.3	165.8	165.8
Highest rating	1492 2023-08-01	1489.3 2023-08-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1376.1 2025-09-01	1405.2 2025-09-01	1200 2024-03-01	1200 2024-03-01
Highest weighted rating	1329.1 2025-11-01	1350.8 2025-11-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1492 2023-08-01	1489.3 2023-08-01	1200 2024-03-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1372.8	1396.5	1200	1200
Analysis
Rating	1372.8	1396.5	1200	1200
Raw rating	1372.8	1396.5	1200	1200
Weighted rating	1338.4	1360.8	1200
Weighted performance	1311.8	1313	0
K-factor	36	32	36	36
Floor	876.1	905.2	700	700
Max/Min rating change allowed	129.6	125.3	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	1372.8	1396.5	1200	1200
New weighted rating	1342.5	1365.2	1200	1200
New weighted performance	1302.8	1304	0	0
Temp new rating	1372.8	1396.5	1200	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1372.8	1396.5	1200	1200
New K-factor	36	32	36	36
New floor	876.1	905.2	700	700

Item	Main	Standard
	0	0
	25	25
	10	10
	5	5
	0	0
	0	0
History	40	40

Games since
	Main 35	Standard 35		Rapid 0		Blitz 0
Gender	Male
Age group	U16
Region	Tshwane (GTP)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	2122		785		298
Male	1724		634		235
U16	322		116		44
U16 Male	248		88		34
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 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	25	16	64	119	1238	1357
Standard	25	16	64	119	1238	1357
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	40	27.5	68.75	159.4	1242.7	1402
Standard	40	27.5	68.75	159.4	1242.7	1402
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2026-01-01	1372.8	1396.5	1200	1200
2025-11-30	1372.8	1396.5	1200	1200
2025-11-01	1372.8	1396.5	1200	1200
2025-09-30	1376.1	1405.2	1200	1200
2025-09-01	1376.1	1405.2	1200	1200
2025-08-01	1311.3	1330.8	1200	1200
2025-07-01	1309.8	1328.9	1200	1200
2025-06-01	1306.5	1324.4	1200	1200
2025-05-01	1326.7	1348.7	1200	1200
2025-04-01	1326.7	1348.7	1200	1200
2025-03-01	1326.7	1348.7	1200	1200
2025-02-01	1326.7	1348.7	1200	1200
2025-01-01	1326.7	1348.7	1200	1200
2024-12-01	1326.7	1348.7	1200	1200
2024-11-01	1326.7	1348.7	1200	1200
2024-10-01	1326.7	1348.7	1200	1200
2024-09-01	1326.7	1348.7	1200	1200
2024-11-01	1326.7	1348.7	1200	1200
2024-07-01	1326.7	1348.7	1200	1200
2024-06-01	1326.7	1348.7	1200	1200
2024-05-01	1251.7	1261.6	1200	1200
2024-04-01	1251.7	1261.6	1200	1200
2024-03-01	1251.7	1261.6	1200	1200
2024-02-01	1251.7	1261.6	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	2025 Gauteng Top Schools Teams (U15)	2025-08-30	2025-08-30	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
2	2025 Gauteng Top Schools Teams (U15)	2025-08-30	2025-08-30	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
3	2025 Tshwane North District CLOSED Team Championships (D3) (U15 Open)	2025-08-16	2025-08-16	Standard	Tshwane (GTP)	5	5	5	Yes	Analysis
4	2025 Tshwane North School District CLOSED Individual Chess Championship (U15 Open)	2025-05-24	2025-05-24	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
5	2025 Tshwane North School District CLOSED Individual Championships Cluster 4&5 (U15 Open)	2025-05-10	2025-05-10	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
6	2024 Tshwane North School District CLOSED Individual Champioships (U13 Boys)	2024-05-11	2024-05-11	Standard	Tshwane (GTP)	5	5	3.5	Yes	Analysis
7	District 3 Cluster 4 and 5 Individuals 2024 (U13 Boys)	2024-05-04	2024-05-04	Standard	Tshwane (GTP)	5	5	4	Yes	Analysis
8	2023 Tshwane North School District CLOSED League Championships (D3)	2023-08-12	2023-08-12	Standard	Tshwane (GTP)	5	5	4	Yes	Analysis

#	Games	Start				End
1	6	Tournament 2025 Tshwane North District CLOSED Team Championships (D3)				Tournament 2025 Gauteng Top Schools Teams
		date 2025-08-16	rnd 1	type Standard	result 1	date 2025-08-30	rnd 1	type Standard	result 1
		Opponent Rapekhwane, K (Kopano)				Opponent Nkwe, O (Oratilwe Ellen)
2	4	Tournament 2024 Tshwane North School District CLOSED Individual Champioships				Tournament 2025 Tshwane North School District CLOSED Individual Championships Cluster 4&5
		date 2024-05-11	rnd 3	type Standard	result 0.5	date 2025-05-10	rnd 1	type Standard	result 1
		Opponent Tsoakhong, T (Tshiamo)				Opponent Koekemoer, C (Conrad Johan Andries)
3	4	Tournament District 3 Cluster 4 and 5 Individuals 2024				Tournament 2024 Tshwane North School District CLOSED Individual Champioships
		date 2024-05-04	rnd 3	type Standard	result 1	date 2024-05-11	rnd 1	type Standard	result 1
		Opponent Van Rensburg, C (Christiaan)				Opponent Tsatsi, S (Shalom)

#	Games	Start				End
1	5	Tournament 2025 Tshwane North District CLOSED Team Championships (D3)				Tournament 2025 Tshwane North District CLOSED Team Championships (D3)
		date 2025-08-16	rnd 1	type Standard	result 1	date 2025-08-16	rnd 5	type Standard	result 1
		Opponent Rapekhwane, K (Kopano)				Opponent Aphane, L (Lesedi)
2	4	Tournament 2024 Tshwane North School District CLOSED Individual Champioships				Tournament 2025 Tshwane North School District CLOSED Individual Championships Cluster 4&5
		date 2024-05-11	rnd 3	type Standard	result 0.5	date 2025-05-10	rnd 1	type Standard	result 1
		Opponent Tsoakhong, T (Tshiamo)				Opponent Koekemoer, C (Conrad Johan Andries)
3	4	Tournament District 3 Cluster 4 and 5 Individuals 2024				Tournament 2024 Tshwane North School District CLOSED Individual Champioships
		date 2024-05-04	rnd 3	type Standard	result 1	date 2024-05-11	rnd 1	type Standard	result 1
		Opponent Van Rensburg, C (Christiaan)				Opponent Tsatsi, S (Shalom)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	5	Tournament 2025 Tshwane North District CLOSED Team Championships (D3)				Tournament 2025 Tshwane North District CLOSED Team Championships (D3)
		date 2025-08-16	rnd 1	type Standard	result 1	date 2025-08-16	rnd 5	type Standard	result 1
		Opponent Rapekhwane, K (Kopano)				Opponent Aphane, L (Lesedi)
2	4	Tournament District 3 Cluster 4 and 5 Individuals 2024				Tournament 2024 Tshwane North School District CLOSED Individual Champioships
		date 2024-05-04	rnd 3	type Standard	result 1	date 2024-05-11	rnd 1	type Standard	result 1
		Opponent Van Rensburg, C (Christiaan)				Opponent Tsatsi, S (Shalom)
3	3	Tournament 2024 Tshwane North School District CLOSED Individual Champioships				Tournament 2025 Tshwane North School District CLOSED Individual Championships Cluster 4&5
		date 2024-05-11	rnd 4	type Standard	result 1	date 2025-05-10	rnd 1	type Standard	result 1
		Opponent Sithole, O (Ontshiametse)				Opponent Koekemoer, C (Conrad Johan Andries)

#	Games	Start				End
1	5	Tournament 2025 Tshwane North District CLOSED Team Championships (D3)				Tournament 2025 Tshwane North District CLOSED Team Championships (D3)
		date 2025-08-16	rnd 1	type Standard	result 1	date 2025-08-16	rnd 5	type Standard	result 1
		Opponent Rapekhwane, K (Kopano)				Opponent Aphane, L (Lesedi)
2	4	Tournament District 3 Cluster 4 and 5 Individuals 2024				Tournament 2024 Tshwane North School District CLOSED Individual Champioships
		date 2024-05-04	rnd 3	type Standard	result 1	date 2024-05-11	rnd 1	type Standard	result 1
		Opponent Van Rensburg, C (Christiaan)				Opponent Tsatsi, S (Shalom)
3	3	Tournament 2024 Tshwane North School District CLOSED Individual Champioships				Tournament 2025 Tshwane North School District CLOSED Individual Championships Cluster 4&5
		date 2024-05-11	rnd 4	type Standard	result 1	date 2025-05-10	rnd 1	type Standard	result 1
		Opponent Sithole, O (Ontshiametse)				Opponent Koekemoer, C (Conrad Johan Andries)

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	Shange ,S (Sakhile Mpendulo Senzeloku)	2	0	-425	2	0	-425	0	0	0	0	0	0
1	Shange ,S (Sakhile Mpendulo Senzeloku)	2	1200	775	2	1200	775	0	0	0	0	0	0
2	Boshoff ,R (Reinhardt)	2	2	425	2	2	425	0	0	0	0	0	0
2	Boshoff ,R (Reinhardt)	2	1395.6	1820.6	2	1395.7	1820.6	0	0	0	0	0	0
3	Van Zyl ,C (Christiaan)	2	2	425	2	2	425	0	0	0	0	0	0
3	Van Zyl ,C (Christiaan)	2	1252	1677	2	1263.7	1677	0	0	0	0	0	0
4	Mphoku ,R (Reatlegile)	1	1	425	1	1	425	0	0	0	0	0	0
4	Mphoku ,R (Reatlegile)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
5	Potgieter ,W (Wilmari)	1	1	425	1	1	425	0	0	0	0	0	0
5	Potgieter ,W (Wilmari)	1	1259.7	1684.7	1	1268.4	1684.7	0	0	0	0	0	0
6	Cheti ,B (Botshelo)	1	1	425	1	1	425	0	0	0	0	0	0
6	Cheti ,B (Botshelo)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
7	Chokwe ,T (Tshegofatso)	1	1	425	1	1	425	0	0	0	0	0	0
7	Chokwe ,T (Tshegofatso)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
8	Sandt ,S (Skyler)	1	1	425	1	1	425	0	0	0	0	0	0
8	Sandt ,S (Skyler)	1	1219.5	1644.5	1	1225.9	1644.5	0	0	0	0	0	0
9	Seloane ,K (Kamogelo)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Seloane ,K (Kamogelo)	1	1200	775	1	1200	775	0	0	0	0	0	0
10	Teffo ,K (Koketso)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Teffo ,K (Koketso)	1	1200	775	1	1200	775	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

Bairos, M (Michael Oliver)

Ratings

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Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms