Chess South Africa Ratings Database

PLAYER PAGE

Personal

Boltman, J (Jandre)

Chess SA id

1160192948

FIDE id

Date of birth

2016-11-15 (U10)

Gender

Male

Region

Eden (WEG)

Citizen

RSA

Titles

Chess SA registered

Yes

Last active game

2025-10-18

Personal details last changed

1900-01-01

Junior GPX Games

42.1

Junior GPX Points

1336

Item	Main	Standard	Rapid	Blitz
Rating	1344.1	1376.5	1196.4	1200
Raw rating	1344.1	1376.5	1154.6	1200
Weighted rating	1272.7	1275.8	1196.4	1200
Weighted performance	1225.8	1305.9	0	0
Floor	895.2	905.4	700	700
K-factor	36	32	36	36
Min/Max rating change allowed	135	129	176.9	165.8
Highest rating	1395.2 2025-05-05	1405.4 2025-05-05	1200 2024-02-01	1200 2024-02-01
Highest raw rating	1395.2 2025-05-05	1405.4 2025-05-05	1200 2024-02-01	1200 2024-02-01
Highest weighted rating	1395.2 2024-02-01	1405.4 2024-02-01	1200 2024-02-01	1200 2024-02-01
Highest weighted performance	1395.2 2025-05-05	1405.4 2024-02-01	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	-3.5	0
New rating	1344.1	1376.5	1192.9	1200
Analysis
Rating	1344.1	1376.5	1196.4	1200
Raw rating	1344.1	1376.5	1154.6	1200
Weighted rating	1272.7	1275.8	1196.4
Weighted performance	1225.8	1305.9	0
K-factor	36	32	36	36
Floor	895.2	905.4	700	700
Max/Min rating change allowed	135	129	176.9	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	1344.1	1376.5	1154.6	1200
New weighted rating	1281.5	1287.3	1192.9	1200
New weighted performance	1218.3	1297.9	0	0
Temp new rating	1344.1	1376.5	1192.9	1200
Temp new rating +/-	0	0	-3.5	0
Final new rating +/-	0	0	-3.5	0
New rating	1344.1	1376.5	1192.9	1200
New K-factor	36	32	36	36
New floor	895.2	905.4	700	700

Item	Main	Standard	Rapid
	0	0	0
	45	40	5
	19	19	0
	0	0	0
	0	0	0
	0	0	0
History	64	59	5

Games since
	Main 64	Standard 59		Rapid 5		Blitz 0
Gender	Male
Age group	U10
Region	Eden (WEG)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	2787		891		242
Male	2228		681		183
U10	211		55		25
U10 Male	170		38		17
Standard
	RSA		Province		Region
Overall	2352		657		192
Male	1899		505		144
U10	173		39		18
U10 Male	145		30		13
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U10	-1		-1		-1
U10 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U10	-1		-1		-1
U10 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	45	26.5	58.89	75.6	1284.4	1360
Standard	40	25.5	63.75	116.9	1269.1	1386
Rapid	5	1	20	-255	1406.8	1151.8
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	64	33	51.56	13.3	1272.1	1285.3
Standard	59	32	54.24	36	1260.6	1296.7
Rapid	5	1	20	-255	1406.8	1151.8
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1344.1	1376.5	1154.6	1200
2025-09-30	1367.8	1376.5	1200	1200
2025-09-01	1367.8	1376.5	1200	1200
2025-08-01	1367.8	1376.5	1200	1200
2025-07-01	1347.1	1352.7	1200	1200
2025-06-01	1347.1	1352.7	1200	1200
2025-05-01	1395.2	1405.4	1200	1200
2025-04-01	1378.5	1388.2	1200	1200
2025-03-01	1245.2	1259.8	1200	1200
2025-02-01	1162.3	1154.3	1200	1200
2025-01-01	1139.8	1127.6	1200	1200
2024-12-01	1139.8	1127.6	1200	1200
2024-11-01	1139.8	1127.6	1200	1200
2024-10-01	1139.8	1127.6	1200	1200
2024-09-01	1139.8	1127.6	1200	1200
2024-08-01	1139.8	1127.6	1200	1200
2024-07-01	1162.4	1153.2	1200	1200
2024-09-01	1162.4	1153.2	1200	1200
2024-05-01	1162.4	1153.2	1200	1200
2024-04-01	1162.4	1153.2	1200	1200
2024-03-01	1190	1187.2	1200	1200
2024-02-01	1200	1200	1200	1200
2024-01-01	1200	1200	1200	1200
2023-12-01	1200	1200	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	HCPS Invitational Rapid Tournament 2025 (U9)	2025-10-18	2025-10-18	Rapid	Eden (WEG)	6	5	1	Yes	Analysis
2	George Top Schools 2025 (U9)	2025-07-26	2025-07-26	Standard	Eden (WEG)	5	4	3	Yes	Analysis
3	Western Cape Schools Individual Championship 2025 (U9 Boys)	2025-05-17	2025-05-18	Standard	Cape Winelands (WCW)	6	6	2.5	Yes	Analysis
4	Eden Chess Trials 2 2025 (U10)	2025-03-15	2025-04-12	Standard	Eden (WEG)	10	10	6	Yes	Analysis
5	Eden Schools Chess Trials 1 2025 (U9 Boys)	2025-03-08	2025-03-08	Standard	Eden (WEG)	5	5	3	Yes	Analysis
6	George Schools Chess Trials 3 2025 (U9 Boys)	2025-03-01	2025-03-01	Standard	Eden (WEG)	5	5	4	Yes	Analysis
7	George Schools Chess Trials 2 2025 (U9 Boys)	2025-02-15	2025-02-15	Standard	Eden (WEG)	5	5	4	Yes	Analysis
8	George Schools Chess Trials 1 2025 (U9 Boys)	2025-02-01	2025-02-01	Standard	Eden (WEG)	5	5	3	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	HCPS Invitational Rapid Tournament 2025 (U9)	2025-10-18	2025-10-18	Rapid	Eden (WEG)	6	5	1	Yes	Analysis
2	George Top Schools 2025 (U9)	2025-07-26	2025-07-26	Standard	Eden (WEG)	5	4	3	Yes	Analysis
3	Western Cape Schools Individual Championship 2025 (U9 Boys)	2025-05-17	2025-05-18	Standard	Cape Winelands (WCW)	6	6	2.5	Yes	Analysis
4	Eden Chess Trials 2 2025 (U10)	2025-03-15	2025-04-12	Standard	Eden (WEG)	10	10	6	Yes	Analysis
5	Eden Schools Chess Trials 1 2025 (U9 Boys)	2025-03-08	2025-03-08	Standard	Eden (WEG)	5	5	3	Yes	Analysis
6	George Schools Chess Trials 3 2025 (U9 Boys)	2025-03-01	2025-03-01	Standard	Eden (WEG)	5	5	4	Yes	Analysis
7	George Schools Chess Trials 2 2025 (U9 Boys)	2025-02-15	2025-02-15	Standard	Eden (WEG)	5	5	4	Yes	Analysis
8	George Schools Chess Trials 1 2025 (U9 Boys)	2025-02-01	2025-02-01	Standard	Eden (WEG)	5	5	3	Yes	Analysis
9	George Primary Top Schools 2024 (U9)	2024-07-20	2024-07-20	Standard	Eden (WEG)	5	5	1	Yes	Analysis
10	George Schools Trials 3 2024 (U9 Boys)	2024-03-02	2024-03-02	Standard	Eden (WEG)	5	5	1.5	Yes	Analysis
11	George Schools Trials 2 2024 (U9 Boys)	2024-02-17	2024-02-17	Standard	Eden (WEG)	5	4	2	Yes	Analysis
12	George Schools Trials 1 2024 (U9 Boys)	2024-02-03	2024-02-03	Standard	Eden (WEG)	5	5	2	Yes	Analysis

#	Games	Start				End
1	8	Tournament George Schools Chess Trials 1 2025				Tournament George Schools Chess Trials 3 2025
		date 2025-02-01	rnd 5	type Standard	result 1	date 2025-03-01	rnd 2	type Standard	result 1
		Opponent Holder, J (Jamie)				Opponent Strydom, L (Liam)
2	3	Tournament Eden Chess Trials 2 2025				Tournament Eden Chess Trials 2 2025
		date 2025-03-15	rnd 5	type Standard	result 1	date 2025-04-12	rnd 7	type Standard	result 1
		Opponent Raubenheimer, J (Josia)				Opponent Rheeder, L (Logan)
3	3	Tournament George Schools Chess Trials 3 2025				Tournament Eden Schools Chess Trials 1 2025
		date 2025-03-01	rnd 4	type Standard	result 1	date 2025-03-08	rnd 1	type Standard	result 1
		Opponent Kennedy, D (Dihandre)				Opponent Dreyer, T (Tomrique)

#	Games	Start				End
1	8	Tournament George Schools Chess Trials 1 2025				Tournament George Schools Chess Trials 3 2025
		date 2025-02-01	rnd 5	type Standard	result 1	date 2025-03-01	rnd 2	type Standard	result 1
		Opponent Holder, J (Jamie)				Opponent Strydom, L (Liam)
2	3	Tournament Eden Chess Trials 2 2025				Tournament Eden Chess Trials 2 2025
		date 2025-03-15	rnd 5	type Standard	result 1	date 2025-04-12	rnd 7	type Standard	result 1
		Opponent Raubenheimer, J (Josia)				Opponent Rheeder, L (Logan)
3	3	Tournament George Schools Chess Trials 3 2025				Tournament Eden Schools Chess Trials 1 2025
		date 2025-03-01	rnd 4	type Standard	result 1	date 2025-03-08	rnd 1	type Standard	result 1
		Opponent Kennedy, D (Dihandre)				Opponent Dreyer, T (Tomrique)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament Eden Chess Trials 2 2025				Tournament Eden Chess Trials 2 2025
		date 2025-03-15	rnd 5	type Standard	result 1	date 2025-04-12	rnd 7	type Standard	result 1
		Opponent Raubenheimer, J (Josia)				Opponent Rheeder, L (Logan)
2	3	Tournament George Schools Chess Trials 3 2025				Tournament Eden Schools Chess Trials 1 2025
		date 2025-03-01	rnd 4	type Standard	result 1	date 2025-03-08	rnd 1	type Standard	result 1
		Opponent Kennedy, D (Dihandre)				Opponent Dreyer, T (Tomrique)
3	3	Tournament George Schools Chess Trials 2 2025				Tournament George Schools Chess Trials 3 2025
		date 2025-02-15	rnd 5	type Standard	result 1	date 2025-03-01	rnd 2	type Standard	result 1
		Opponent Morrison, K (Kyle)				Opponent Strydom, L (Liam)

#	Games	Start				End
1	3	Tournament Eden Chess Trials 2 2025				Tournament Eden Chess Trials 2 2025
		date 2025-03-15	rnd 5	type Standard	result 1	date 2025-04-12	rnd 7	type Standard	result 1
		Opponent Raubenheimer, J (Josia)				Opponent Rheeder, L (Logan)
2	3	Tournament George Schools Chess Trials 3 2025				Tournament Eden Schools Chess Trials 1 2025
		date 2025-03-01	rnd 4	type Standard	result 1	date 2025-03-08	rnd 1	type Standard	result 1
		Opponent Kennedy, D (Dihandre)				Opponent Dreyer, T (Tomrique)
3	3	Tournament George Schools Chess Trials 2 2025				Tournament George Schools Chess Trials 3 2025
		date 2025-02-15	rnd 5	type Standard	result 1	date 2025-03-01	rnd 2	type Standard	result 1
		Opponent Morrison, K (Kyle)				Opponent Strydom, L (Liam)

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	Van Den Berg ,T (Teagan)	3	0.5	-283.3	3	0.5	-283.3	0	0	0	0	0	0
1	Van Den Berg ,T (Teagan)	3	1409.1	1125.8	3	1420.1	1125.8	0	0	0	0	0	0
2	Rheeder ,L (Logan)	3	1	-141.7	3	1	-141.7	0	0	0	0	0	0
2	Rheeder ,L (Logan)	3	1206.9	1065.2	3	1212	1065.2	0	0	0	0	0	0
3	Marner ,L (Loannes)	3	1	-141.7	3	1	-141.7	0	0	0	0	0	0
3	Marner ,L (Loannes)	3	1324.3	1182.6	3	1366.2	1182.6	0	0	0	0	0	0
4	Bruiners ,J (Jeanne)	3	1.5	0	3	1.5	0	0	0	0	0	0	0
4	Bruiners ,J (Jeanne)	3	1256.1	1256.1	3	1254.3	1256.1	0	0	0	0	0	0
5	Van Zyl ,J (Joshua)	2	2	425	2	2	425	0	0	0	0	0	0
5	Van Zyl ,J (Joshua)	2	1177.2	1602.2	2	1172.2	1602.2	0	0	0	0	0	0
6	Raubenheimer ,J (Josia)	2	2	425	2	2	425	0	0	0	0	0	0
6	Raubenheimer ,J (Josia)	2	1250.1	1675.1	2	1268.2	1675.1	0	0	0	0	0	0
7	Zaaiman ,J (Jean)	2	0	-425	2	0	-425	0	0	0	0	0	0
7	Zaaiman ,J (Jean)	2	1196.2	771.2	2	1194.4	771.2	0	0	0	0	0	0
8	Oberholzer ,M (Milan)	2	0	-425	2	0	-425	0	0	0	0	0	0
8	Oberholzer ,M (Milan)	2	1199.4	774.4	2	1199.6	774.4	0	0	0	0	0	0
9	Du Preez ,R (Rafael)	2	2	425	2	2	425	0	0	0	0	0	0
9	Du Preez ,R (Rafael)	2	1242.4	1667.4	2	1254.3	1667.4	0	0	0	0	0	0
10	Van Vuuren ,C (Christi)	2	1.5	212.5	2	1.5	212.5	0	0	0	0	0	0
10	Van Vuuren ,C (Christi)	2	1157.8	1370.3	2	1149	1370.3	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Boltman, J (Jandre)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms