Chess South Africa Ratings Database

PLAYER PAGE

Personal

Bothma, J (Johannes)

Chess SA id

1130300383

FIDE id

Date of birth

2013-05-23 (U14)

Gender

Male

Region

Mangaung (FMB)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-08-15

Personal details last changed

1900-01-01

Junior GPX Games

27.7

Junior GPX Points

1240.7

Item	Main	Standard	Rapid	Blitz
Rating	1308.3	1294.1	1244.5	1200
Raw rating	1308.3	1294.1	1244.5	1200
Weighted rating	1273.1	1254.5	1242.9	1200
Weighted performance	1268.1	1254.6	0	0
Floor	810.4	795.8	763.7	700
K-factor	36	36	36	36
Min/Max rating change allowed	142.1	145	155.6	165.8
Highest rating	1310.4 2025-06-01	1310.5 2024-04-01	1358.8 2024-08-01	1202.5 2024-09-01
Highest raw rating	1310.4 2025-06-01	1295.8 2025-06-01	1263.7 2024-09-01	1200 2024-04-01
Highest weighted rating	1310.4 2024-10-01	1295.8 2024-10-01	1263.7 2024-10-01	1200 2024-04-01
Highest weighted performance	1293.4 2025-06-01	1310.5 2024-04-01	1358.8 2024-08-01	1202.5 2024-09-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1308.3	1294.1	1244.5	1200
Analysis
Rating	1308.3	1294.1	1244.5	1200
Raw rating	1308.3	1294.1	1244.5	1200
Weighted rating	1273.1	1254.5	1242.9
Weighted performance	1268.1	1254.6	0
K-factor	36	36	36	36
Floor	810.4	795.8	763.7	700
Max/Min rating change allowed	142.1	145	155.6	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	1308.3	1294.1	1244.5	1200
New weighted rating	1277.6	1259	1243.7	1200
New weighted performance	1267.6	1254.1	0	0
Temp new rating	1308.3	1294.1	1244.5	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1308.3	1294.1	1244.5	1200
New K-factor	36	36	36	36
New floor	810.4	795.8	763.7	700

Item	Main	Standard	Rapid	Blitz
	0	0	0	0
	25	20	5	0
	41	25	10	6
	0	0	0	0
	0	0	0	0
	0	0	0	0
History	66	45	15	6

Games since
	Main 66	Standard 45		Rapid 15		Blitz 6
Gender	Male
Age group	U14
Region	Mangaung (FMB)
Province	Free State (FS)
Main
	RSA		Province		Region
Overall	3110		45		37
Male	2457		39		31
U14	578		6		6
U14 Male	427		4		4
Standard
	RSA		Province		Region
Overall	3114		45		29
Male	2439		35		22
U14	588		8		6
U14 Male	425		4		4
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 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	15	60	85	1210.9	1295.9
Standard	20	13	65	127.5	1201.1	1328.6
Rapid	5	2	40	-85	1250.3	1165.3
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	66	40.5	61.36	96.6	1196	1292.6
Standard	45	28.5	63.33	113.3	1188	1301.3
Rapid	15	9	60	85	1199.7	1284.7
Blitz	6	3	50	0	1247.3	1247.3

Date	Main	Standard	Rapid	Blitz
2025-09-30	1308.3	1294.1	1244.5	1200
2025-09-01	1308.3	1294.1	1244.5	1200
2025-08-01	1310.4	1295.8	1244.5	1200
2025-07-01	1310.4	1295.8	1244.5	1200
2025-06-01	1310.4	1295.8	1244.5	1200
2025-05-01	1257.7	1238.2	1244.5	1200
2025-04-01	1257.7	1238.2	1244.5	1200
2025-03-01	1251.3	1226.6	1244.5	1200
2025-02-01	1264.5	1240.4	1244.5	1200
2025-01-01	1278.5	1240.4	1263.7	1200
2024-12-01	1278.5	1240.4	1263.7	1200
2024-11-01	1278.5	1240.4	1263.7	1200
2024-10-01	1274	1240.8	1263.7	1200
2024-09-01	1275.3	1240.8	1263.7	1200
2024-08-01	1224	1221.4	1218	1200
2024-07-01	1224	1221.4	1218	1200
2024-06-01	1224	1221.4	1218	1200
2024-08-01	1221.3	1223.2	1218	1200
2024-04-01	1206.8	1200	1218	1200
2024-03-01	1200	1200	1200	1200
2024-02-01	1200	1200	1200	1200
2024-01-01	1200	1200	1200	1200
2023-12-01	1200	1200	1200	1200
2023-11-01	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	Free State Closed 2025 (U14 Open)	2025-08-14	2025-08-15	Standard	Mangaung (FMB)	5	5	3	Yes	Analysis
2	Mangaung Metro Chess 9-10 May 2025 (B)	2025-05-09	2025-05-10	Standard	Mangaung (FMB)	5	5	4.5	Yes	Analysis
3	Mangaung Metro Chess 7-8 March 2025 (B)	2025-03-07	2025-03-08	Standard	Mangaung (FMB)	5	5	3	Yes	Analysis
4	Mangaung Metro Chess 7-8 February 2025 (B)	2025-02-07	2025-02-08	Standard	Mangaung (FMB)	5	5	2.5	Yes	Analysis
5	Mangaung Metro Chess 25 January 2025 (B)	2025-01-25	2025-01-25	Rapid	Mangaung (FMB)	5	5	2	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Free State Closed 2025 (U14 Open)	2025-08-14	2025-08-15	Standard	Mangaung (FMB)	5	5	3	Yes	Analysis
2	Mangaung Metro Chess 9-10 May 2025 (B)	2025-05-09	2025-05-10	Standard	Mangaung (FMB)	5	5	4.5	Yes	Analysis
3	Mangaung Metro Chess 7-8 March 2025 (B)	2025-03-07	2025-03-08	Standard	Mangaung (FMB)	5	5	3	Yes	Analysis
4	Mangaung Metro Chess 7-8 February 2025 (B)	2025-02-07	2025-02-08	Standard	Mangaung (FMB)	5	5	2.5	Yes	Analysis
5	Mangaung Metro Chess 25 January 2025 (B)	2025-01-25	2025-01-25	Rapid	Mangaung (FMB)	5	5	2	Yes	Analysis
6	Mangaung Metro Chess 11-12 October 2024 (B)	2024-10-11	2024-10-12	Standard	Mangaung (FMB)	5	5	3	Yes	Analysis
7	Smart Chess Blitz 2024 (B)	2024-09-07	2024-09-07	Blitz	Mangaung (FMB)	7	6	3	Yes	Analysis
8	Mangaung Metro Chess 16-17 August 2024 (B)	2024-08-16	2024-08-17	Standard	Mangaung (FMB)	5	5	3	Yes	Analysis
9	Mangaung Metro Chess 3 August 2024 (C)	2024-08-03	2024-08-03	Rapid	Mangaung (FMB)	5	5	4	Yes	Analysis
10	10th Piet van Zyl Chess Festival 2024 (C)	2024-05-24	2024-05-25	Standard	Mangaung (FMB)	5	5	2	Yes	Analysis
11	Mangaung Metro Chess 10-11 May 2024 (C)	2024-05-10	2024-05-11	Standard	Mangaung (FMB)	5	5	4	Yes	Analysis
12	Mangaung Metro Chess 12-13 April 2024 (C+D)	2024-04-12	2024-04-13	Standard	Mangaung (FMB)	5	5	3.5	Yes	Analysis
13	Mangaung Metro Chess 9 March 2024 (C)	2024-03-09	2024-03-09	Rapid	Mangaung (FMB)	5	5	3	Yes	Analysis

#	Games	Start				End
1	5	Tournament Mangaung Metro Chess 9-10 May 2025				Tournament Mangaung Metro Chess 9-10 May 2025
		date 2025-05-09	rnd 1	type Standard	result 1	date 2025-05-10	rnd 5	type Standard	result 1
		Opponent Jacobus, A (Altavio)				Opponent Khoete, B (Bokang)
2	4	Tournament Mangaung Metro Chess 3 August 2024				Tournament Mangaung Metro Chess 3 August 2024
		date 2024-08-03	rnd 2	type Rapid	result 1	date 2024-08-03	rnd 5	type Rapid	result 1
		Opponent Chabedi, R (Rethabile)				Opponent Maritz, J (Jandre)
3	3	Tournament Mangaung Metro Chess 7-8 March 2025				Tournament Mangaung Metro Chess 7-8 March 2025
		date 2025-03-07	rnd 1	type Standard	result 1	date 2025-03-08	rnd 3	type Standard	result 1
		Opponent Du Toit, L (Liane')				Opponent Van Wyk, P (Petrus Gerhardus)

#	Games	Start				End
1	5	Tournament Mangaung Metro Chess 9-10 May 2025				Tournament Mangaung Metro Chess 9-10 May 2025
		date 2025-05-09	rnd 1	type Standard	result 1	date 2025-05-10	rnd 5	type Standard	result 1
		Opponent Jacobus, A (Altavio)				Opponent Khoete, B (Bokang)
2	3	Tournament Mangaung Metro Chess 7-8 March 2025				Tournament Mangaung Metro Chess 7-8 March 2025
		date 2025-03-07	rnd 1	type Standard	result 1	date 2025-03-08	rnd 3	type Standard	result 1
		Opponent Du Toit, L (Liane')				Opponent Van Wyk, P (Petrus Gerhardus)
3	3	Tournament Mangaung Metro Chess 11-12 October 2024				Tournament Mangaung Metro Chess 7-8 February 2025
		date 2024-10-12	rnd 5	type Standard	result 1	date 2025-02-07	rnd 2	type Standard	result 1
		Opponent Melville, J (Joalize)				Opponent Le Roux, E (Eugene)

#	Games	Start				End
1	6	Tournament Mangaung Metro Chess 3 August 2024				Tournament Mangaung Metro Chess 25 January 2025
		date 2024-08-03	rnd 2	type Rapid	result 1	date 2025-01-25	rnd 2	type Rapid	result 1
		Opponent Chabedi, R (Rethabile)				Opponent Steyn, W (Willem)
2	2	Tournament Mangaung Metro Chess 9 March 2024				Tournament Mangaung Metro Chess 9 March 2024
		date 2024-03-09	rnd 3	type Rapid	result 1	date 2024-03-09	rnd 4	type Rapid	result 1
		Opponent Bosch, S (Septimus Bowker)				Opponent Strauss, A (Alexander Johannes)
3	1	Tournament Mangaung Metro Chess 9 March 2024				Tournament Mangaung Metro Chess 9 March 2024
		date 2024-03-09	rnd 1	type Rapid	result 1	date 2024-03-09	rnd 1	type Rapid	result 1
		Opponent Xulu, T (Thapelo)				Opponent Xulu, T (Thapelo)

#	Games	Start				End
1	1	Tournament Smart Chess Blitz 2024				Tournament Smart Chess Blitz 2024
		date 2024-09-07	rnd 7	type Blitz	result 1	date 2024-09-07	rnd 7	type Blitz	result 1
		Opponent Mitchell, T (Thomas)				Opponent Mitchell, T (Thomas)
2	1	Tournament Smart Chess Blitz 2024				Tournament Smart Chess Blitz 2024
		date 2024-09-07	rnd 5	type Blitz	result 1	date 2024-09-07	rnd 5	type Blitz	result 1
		Opponent Mqakelana, I (Iminathi)				Opponent Mqakelana, I (Iminathi)
3	1	Tournament Smart Chess Blitz 2024				Tournament Smart Chess Blitz 2024
		date 2024-09-07	rnd 2	type Blitz	result 1	date 2024-09-07	rnd 2	type Blitz	result 1
		Opponent Struwig, A (Alex)				Opponent Struwig, A (Alex)

#	Games	Start				End
1	4	Tournament Mangaung Metro Chess 3 August 2024				Tournament Mangaung Metro Chess 3 August 2024
		date 2024-08-03	rnd 2	type Rapid	result 1	date 2024-08-03	rnd 5	type Rapid	result 1
		Opponent Chabedi, R (Rethabile)				Opponent Maritz, J (Jandre)
2	3	Tournament Mangaung Metro Chess 7-8 March 2025				Tournament Mangaung Metro Chess 7-8 March 2025
		date 2025-03-07	rnd 1	type Standard	result 1	date 2025-03-08	rnd 3	type Standard	result 1
		Opponent Du Toit, L (Liane')				Opponent Van Wyk, P (Petrus Gerhardus)
3	3	Tournament Mangaung Metro Chess 11-12 October 2024				Tournament Mangaung Metro Chess 25 January 2025
		date 2024-10-12	rnd 5	type Standard	result 1	date 2025-01-25	rnd 2	type Rapid	result 1
		Opponent Melville, J (Joalize)				Opponent Steyn, W (Willem)

#	Games	Start				End
1	3	Tournament Mangaung Metro Chess 7-8 March 2025				Tournament Mangaung Metro Chess 7-8 March 2025
		date 2025-03-07	rnd 1	type Standard	result 1	date 2025-03-08	rnd 3	type Standard	result 1
		Opponent Du Toit, L (Liane')				Opponent Van Wyk, P (Petrus Gerhardus)
2	3	Tournament Mangaung Metro Chess 10-11 May 2024				Tournament Mangaung Metro Chess 10-11 May 2024
		date 2024-05-11	rnd 3	type Standard	result 1	date 2024-05-11	rnd 5	type Standard	result 1
		Opponent Moletsane, T (Tshimologo)				Opponent Mokhachane, K (Kgalalelo)
3	2	Tournament Free State Closed 2025				Tournament Free State Closed 2025
		date 2025-08-14	rnd 2	type Standard	result 1	date 2025-08-15	rnd 3	type Standard	result 1
		Opponent Khoele, M (Mohau)				Opponent Moletsane, T (Tshimologo)

#	Games	Start				End
1	6	Tournament Mangaung Metro Chess 3 August 2024				Tournament Mangaung Metro Chess 25 January 2025
		date 2024-08-03	rnd 2	type Rapid	result 1	date 2025-01-25	rnd 2	type Rapid	result 1
		Opponent Chabedi, R (Rethabile)				Opponent Steyn, W (Willem)
2	2	Tournament Mangaung Metro Chess 9 March 2024				Tournament Mangaung Metro Chess 9 March 2024
		date 2024-03-09	rnd 3	type Rapid	result 1	date 2024-03-09	rnd 4	type Rapid	result 1
		Opponent Bosch, S (Septimus Bowker)				Opponent Strauss, A (Alexander Johannes)
3	1	Tournament Mangaung Metro Chess 9 March 2024				Tournament Mangaung Metro Chess 9 March 2024
		date 2024-03-09	rnd 1	type Rapid	result 1	date 2024-03-09	rnd 1	type Rapid	result 1
		Opponent Xulu, T (Thapelo)				Opponent Xulu, T (Thapelo)

#	Games	Start				End
1	1	Tournament Smart Chess Blitz 2024				Tournament Smart Chess Blitz 2024
		date 2024-09-07	rnd 7	type Blitz	result 1	date 2024-09-07	rnd 7	type Blitz	result 1
		Opponent Mitchell, T (Thomas)				Opponent Mitchell, T (Thomas)
2	1	Tournament Smart Chess Blitz 2024				Tournament Smart Chess Blitz 2024
		date 2024-09-07	rnd 5	type Blitz	result 1	date 2024-09-07	rnd 5	type Blitz	result 1
		Opponent Mqakelana, I (Iminathi)				Opponent Mqakelana, I (Iminathi)
3	1	Tournament Smart Chess Blitz 2024				Tournament Smart Chess Blitz 2024
		date 2024-09-07	rnd 2	type Blitz	result 1	date 2024-09-07	rnd 2	type Blitz	result 1
		Opponent Struwig, A (Alex)				Opponent Struwig, A (Alex)

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	Rametsi ,O (Oarabile)	3	3	425	3	3	425	0	0	0	0	0	0
1	Rametsi ,O (Oarabile)	3	1177.1	1602.1	3	1194.2	1602.1	0	0	0	0	0	0
2	Moletsane ,T (Tshimologo)	3	2	141.7	3	2	141.7	0	0	0	0	0	0
2	Moletsane ,T (Tshimologo)	3	1130.4	1272.1	3	1122.7	1272.1	0	0	0	0	0	0
3	Bosch ,S (Septimus Bowker)	3	3	425	2	2	425	1	1	425	0	0	0
3	Bosch ,S (Septimus Bowker)	3	1194.1	1619.1	2	1187.2	1619.1	1	1211.6	1619.1	0	0	0
4	Du Toit ,C (Calem)	3	2	141.7	2	1	0	1	1	425	0	0	0
4	Du Toit ,C (Calem)	3	1156.6	1298.3	2	1182.1	1156.6	1	1178.4	1581.6	0	0	0
5	Mqakelana ,I (Iminathi)	3	1.5	0	1	0.5	0	1	0	-425	1	1	425
5	Mqakelana ,I (Iminathi)	3	1147.5	1147.5	1	1170.5	1147.5	1	968.2	722.5	1	1200	1572.5
6	Whyte ,W (Wyatt)	2	0	-425	2	0	-425	0	0	0	0	0	0
6	Whyte ,W (Wyatt)	2	1138.2	713.2	2	1019.8	713.2	0	0	0	0	0	0
7	Geyser ,H (Heinrich)	2	2	425	2	2	425	0	0	0	0	0	0
7	Geyser ,H (Heinrich)	2	1106.3	1531.3	2	1058.8	1531.3	0	0	0	0	0	0
8	Mcpherson ,L (Lilly)	2	1.5	212.5	2	1.5	212.5	0	0	0	0	0	0
8	Mcpherson ,L (Lilly)	2	1143.4	1355.9	2	1091.2	1355.9	0	0	0	0	0	0
9	Khoete ,B (Bokang)	2	1	0	1	1	425	1	0	-425	0	0	0
9	Khoete ,B (Bokang)	2	1268.8	1268.8	1	1165.8	1693.8	1	1355.5	843.8	0	0	0
10	Struwig ,A (Alex)	2	1	0	0	0	0	1	0	-425	1	1	425
10	Struwig ,A (Alex)	2	1233	1233	0	0	0	1	1210.5	808	1	1200	1658

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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PLAYER PAGE

Personal

Bothma, J (Johannes)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms