Chess South Africa Ratings Database

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Personal

Stali, B (Bulumko)

Chess SA id

1090148802

FIDE id

Date of birth

2009-08-22 (U18)

Gender

Male

Region

Eden (WEG)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-03-01

Personal details last changed

2025-02-24

Junior GPX Games

Junior GPX Points

1140.6

Item	Main	Standard	Rapid	Blitz
Rating	1250.4	1255.9	1200	1200
Raw rating	1250	1255.5	1200	1200
Weighted rating	1250.4	1255.9	1200	1200
Weighted performance	1060.8	1057.6	0	0
Floor	753.5	759.4	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	154.4	153.2	165.8	165.8
Highest rating	1253.5 2024-04-01	1259.4 2024-03-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1253.5 2024-04-01	1259.4 2024-03-01	1200 2024-03-01	1200 2024-03-01
Highest weighted rating	1253.5 2025-02-01	1259.4 2025-02-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1220.6 2024-03-01	1216.3 2024-03-01	1200 2024-03-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0.1	0.1	0	0
New rating	1250.5	1256	1200	1200
Analysis
Rating	1250.4	1255.9	1200	1200
Raw rating	1250	1255.5	1200	1200
Weighted rating	1250.4	1255.9	1200
Weighted performance	1060.8	1057.6	0
K-factor	36	36	36	36
Floor	753.5	759.4	700	700
Max/Min rating change allowed	154.4	153.2	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	1250	1255.5	1200	1200
New weighted rating	1250.5	1256	1200	1200
New weighted performance	1060.4	1057.2	0	0
Temp new rating	1250.5	1256	1200	1200
Temp new rating +/-	0.1	0.1	0	0
Final new rating +/-	0.1	0.1	0	0
New rating	1250.5	1256	1200	1200
New K-factor	36	36	36	36
New floor	753.5	759.4	700	700

Item	Main	Standard
	0	0
	14	14
	10	10
	28	28
	0	0
	0	0
History	52	52

Games since
	Main 24	Standard 24		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	14	5	35.71	-121.4	1279.6	1158.1
Standard	14	5	35.71	-121.4	1279.6	1158.1
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	52	24	46.15	-32.7	1248.7	1216
Standard	52	24	46.15	-32.7	1248.7	1216
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1250	1255.5	1200	1200
2025-09-01	1250	1255.5	1200	1200
2025-08-01	1250	1255.5	1200	1200
2025-07-01	1249.8	1255.3	1200	1200
2025-06-01	1249.4	1255	1200	1200
2025-05-01	1249	1254.6	1200	1200
2025-04-01	1247.9	1253.2	1200	1200
2025-03-01	1246	1250.6	1200	1200
2025-02-01	1253.5	1259	1200	1200
2025-01-01	1253.5	1259	1200	1200
2024-12-01	1253.5	1259	1200	1200
2024-11-01	1253.5	1259	1200	1200
2024-10-01	1253.5	1259	1200	1200
2024-09-01	1253.5	1259	1200	1200
2024-08-01	1253.5	1259	1200	1200
2024-07-01	1253.5	1259	1200	1200
2024-06-01	1253.5	1259	1200	1200
2024-08-01	1253.5	1259	1200	1200
2024-04-01	1253.5	1259	1200	1200
2024-03-01	1251.4	1259.4	1200	1200
2024-02-01	1233.8	1239.6	1200	1200
2024-01-01	1233.8	1239.6	1200	1200
2023-12-01	1233.8	1239.6	1200	1200
2023-11-01	1233.8	1239.6	1200	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	George Schools Chess Trials 3 2025 (U17 Boys)	2025-03-01	2025-03-01	Standard	Eden (WEG)	5	4	1	Yes	Analysis
2	George Schools Chess Trials 2 2025 (U17 Boys)	2025-02-15	2025-02-15	Standard	Eden (WEG)	5	5	2	Yes	Analysis
3	George Schools Chess Trials 1 2025 (U17 Boys)	2025-02-01	2025-02-01	Standard	Eden (WEG)	5	5	2	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	George Schools Chess Trials 3 2025 (U17 Boys)	2025-03-01	2025-03-01	Standard	Eden (WEG)	5	4	1	Yes	Analysis
2	George Schools Chess Trials 2 2025 (U17 Boys)	2025-02-15	2025-02-15	Standard	Eden (WEG)	5	5	2	Yes	Analysis
3	George Schools Chess Trials 1 2025 (U17 Boys)	2025-02-01	2025-02-01	Standard	Eden (WEG)	5	5	2	Yes	Analysis
4	George Schools Trials 3 2024 (U15 Boys)	2024-03-02	2024-03-02	Standard	Eden (WEG)	5	5	3	Yes	Analysis
5	George Schools Trials 2 2024 (U15 Boys)	2024-02-17	2024-02-17	Standard	Eden (WEG)	5	5	3	Yes	Analysis
6	Eden Trials 2+3 2023 (U16)	2023-04-15	2023-05-13	Standard	Eden (WEG)	10	9	5	Yes	Analysis
7	Eden Trails 1 2023 (U15 Boys)	2023-03-11	2023-03-11	Standard	Eden (WEG)	5	5	2	Yes	Analysis
8	George Chess Trials 3 2023 (U15 Boys)	2023-02-25	2023-02-25	Standard	Eden (WEG)	5	5	2.5	Yes	Analysis
9	George Chess Trials 2 2023 (U15 Boys)	2023-02-11	2023-02-11	Standard	Cape Town (WCT)	5	5	3	Yes	Analysis
10	George Chess Trials 1 2023 (U15 Boys)	2023-01-28	2023-01-28	Standard	Eden (WEG)	5	4	0.5	Yes	Analysis

#	Games	Start				End
1	4	Tournament George Schools Trials 3 2024				Tournament George Schools Chess Trials 1 2025
		date 2024-03-02	rnd 3	type Standard	result 1	date 2025-02-01	rnd 1	type Standard	result 1
		Opponent Johannes, J (Josh)				Opponent Solinjani, L (Lukhanyo)
2	3	Tournament George Schools Trials 2 2024				Tournament George Schools Trials 2 2024
		date 2024-02-17	rnd 2	type Standard	result 1	date 2024-02-17	rnd 4	type Standard	result 1
		Opponent Fakude, S (Siphosethie)				Opponent Fransman, R (Robert)
3	3	Tournament Eden Trials 2+3 2023				Tournament Eden Trials 2+3 2023
		date 2023-05-13	rnd 8	type Standard	result 1	date 2023-05-13	rnd 10	type Standard	result 1
		Opponent Noma, L (Lizakhanya)				Opponent Adams, L (Lincoln)

#	Games	Start				End
1	4	Tournament George Schools Trials 3 2024				Tournament George Schools Chess Trials 1 2025
		date 2024-03-02	rnd 3	type Standard	result 1	date 2025-02-01	rnd 1	type Standard	result 1
		Opponent Johannes, J (Josh)				Opponent Solinjani, L (Lukhanyo)
2	3	Tournament George Schools Trials 2 2024				Tournament George Schools Trials 2 2024
		date 2024-02-17	rnd 2	type Standard	result 1	date 2024-02-17	rnd 4	type Standard	result 1
		Opponent Fakude, S (Siphosethie)				Opponent Fransman, R (Robert)
3	3	Tournament Eden Trials 2+3 2023				Tournament Eden Trials 2+3 2023
		date 2023-05-13	rnd 8	type Standard	result 1	date 2023-05-13	rnd 10	type Standard	result 1
		Opponent Noma, L (Lizakhanya)				Opponent Adams, L (Lincoln)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	4	Tournament George Schools Trials 3 2024				Tournament George Schools Chess Trials 1 2025
		date 2024-03-02	rnd 3	type Standard	result 1	date 2025-02-01	rnd 1	type Standard	result 1
		Opponent Johannes, J (Josh)				Opponent Solinjani, L (Lukhanyo)
2	3	Tournament George Schools Trials 2 2024				Tournament George Schools Trials 2 2024
		date 2024-02-17	rnd 2	type Standard	result 1	date 2024-02-17	rnd 4	type Standard	result 1
		Opponent Fakude, S (Siphosethie)				Opponent Fransman, R (Robert)
3	3	Tournament Eden Trials 2+3 2023				Tournament Eden Trials 2+3 2023
		date 2023-05-13	rnd 8	type Standard	result 1	date 2023-05-13	rnd 10	type Standard	result 1
		Opponent Noma, L (Lizakhanya)				Opponent Adams, L (Lincoln)

#	Games	Start				End
1	4	Tournament George Schools Trials 3 2024				Tournament George Schools Chess Trials 1 2025
		date 2024-03-02	rnd 3	type Standard	result 1	date 2025-02-01	rnd 1	type Standard	result 1
		Opponent Johannes, J (Josh)				Opponent Solinjani, L (Lukhanyo)
2	3	Tournament George Schools Trials 2 2024				Tournament George Schools Trials 2 2024
		date 2024-02-17	rnd 2	type Standard	result 1	date 2024-02-17	rnd 4	type Standard	result 1
		Opponent Fakude, S (Siphosethie)				Opponent Fransman, R (Robert)
3	3	Tournament Eden Trials 2+3 2023				Tournament Eden Trials 2+3 2023
		date 2023-05-13	rnd 8	type Standard	result 1	date 2023-05-13	rnd 10	type Standard	result 1
		Opponent Noma, L (Lizakhanya)				Opponent Adams, L (Lincoln)

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	De Waal ,L (Liam)	2	0	-425	2	0	-425	0	0	0	0	0	0
1	De Waal ,L (Liam)	2	1476.9	1051.9	2	1466.6	1051.9	0	0	0	0	0	0
2	Bukula ,S (Sivuyisile)	2	1	0	2	1	0	0	0	0	0	0	0
2	Bukula ,S (Sivuyisile)	2	1299.1	1299.1	2	1292.6	1299.1	0	0	0	0	0	0
3	Williams ,H (Handre)	2	0	-425	2	0	-425	0	0	0	0	0	0
3	Williams ,H (Handre)	2	1163.8	738.8	2	1150.2	738.8	0	0	0	0	0	0
4	Scholtz ,H (Hanko)	2	0	-425	2	0	-425	0	0	0	0	0	0
4	Scholtz ,H (Hanko)	2	1597.5	1172.5	2	1580	1172.5	0	0	0	0	0	0
5	Vuyo ,N (Ntakani)	2	2	425	2	2	425	0	0	0	0	0	0
5	Vuyo ,N (Ntakani)	2	1096.3	1521.3	2	1079.3	1521.3	0	0	0	0	0	0
6	Solinjani ,L (Lukhanyo)	2	1	0	2	1	0	0	0	0	0	0	0
6	Solinjani ,L (Lukhanyo)	2	1200	1200	2	1200	1200	0	0	0	0	0	0
7	Johannes ,J (Josh)	2	1	0	2	1	0	0	0	0	0	0	0
7	Johannes ,J (Josh)	2	1187.4	1187.4	2	1186	1187.4	0	0	0	0	0	0
8	Van Niekerk ,C (Carlos)	2	0	-425	2	0	-425	0	0	0	0	0	0
8	Van Niekerk ,C (Carlos)	2	1463.9	1038.9	2	1461.8	1038.9	0	0	0	0	0	0
9	Noma ,L (Lisakhanya)	2	1	0	2	1	0	0	0	0	0	0	0
9	Noma ,L (Lisakhanya)	2	1318.4	1318.4	2	1313.4	1318.4	0	0	0	0	0	0
10	Burger ,I (Ivan)	2	1	0	2	1	0	0	0	0	0	0	0
10	Burger ,I (Ivan)	2	1206.2	1206.2	2	1206.6	1206.2	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Stali, B (Bulumko)

Ratings

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Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms