Chess South Africa Ratings Database

PLAYER PAGE

Personal

Mclachlan, J (James)

Chess SA id

1080149097

FIDE id

Date of birth

2008-07-18 (U18)

Gender

Male

Region

Mangaung (FMB)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-10-11

Personal details last changed

1900-01-01

Junior GPX Games

29.4

Junior GPX Points

1269.5

Item	Main	Standard	Rapid	Blitz
Rating	1397.5	1389.4	1307.7	1235.9
Raw rating	1397.1	1378.1	1307.7	1232.1
Weighted rating	1311.6	1258.2	1305.2	1235.9
Weighted performance	1397.5	1389.4	1125.9	0
Floor	897.1	878.1	817.9	750.8
K-factor	36	36	36	36
Min/Max rating change allowed	125.2	128.7	142.2	158.4
Highest rating	1397.5 2025-11-01	1389.4 2025-11-01	1319.4 2023-10-01	1402.8 2024-09-01
Highest raw rating	1397.1 2025-11-01	1378.1 2025-11-01	1317.9 2024-09-01	1250.8 2024-10-01
Highest weighted rating	1311.6 2025-11-01	1258.2 2025-11-01	1302 2025-08-01	1250.8 2025-07-01
Highest weighted performance	1397.5 2025-11-01	1389.4 2025-11-01	1319.4 2023-10-01	1402.8 2024-09-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	-0.5	-8.4	0	0.4
New rating	1397.1	1381	1307.7	1236.3
Analysis
Rating	1397.5	1389.4	1307.7	1235.9
Raw rating	1397.1	1378.1	1307.7	1232.1
Weighted rating	1311.6	1258.2	1305.2
Weighted performance	1397.5	1389.4	1125.9
K-factor	36	36	36	36
Floor	897.1	878.1	817.9	750.8
Max/Min rating change allowed	125.2	128.7	142.2	158.4
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	1397.1	1378.1	1307.7	1232.1
New weighted rating	1320.2	1269.9	1305.9	1236.3
New weighted performance	1389.2	1381	1118.2	0
Temp new rating	1397.1	1381	1307.7	1236.3
Temp new rating +/-	-0.5	-8.4	0	0.4
Final new rating +/-	-0.5	-8.4	0	0.4
New rating	1397.1	1381	1307.7	1236.3
New K-factor	36	36	36	36
New floor	897.1	878.1	817.9	750.8

Item	Main	Standard	Rapid	Blitz
	0	0	0	0
	35	21	5	9
	36	15	15	6
	25	5	20	0
	0	0	0	0
	0	0	0	0
History	96	41	40	15

Games since
	Main 71	Standard 36		Rapid 20		Blitz 15
Gender	Male
Age group	U18
Region	Mangaung (FMB)
Province	Free State (FS)
Main
	RSA		Province		Region
Overall	2210		26		19
Male	1799		26		19
U18	349		5		5
U18 Male	300		5		5
Standard
	RSA		Province		Region
Overall	2215		27		17
Male	1800		25		17
U18	369		7		6
U18 Male	320		7		6
Rapid
	RSA		Province		Region
Overall	1022		20		18
Male	835		18		16
U18	127		6		6
U18 Male	112		6		6
Blitz
	RSA		Province		Region
Overall	388		10		8
Male	360		10		8
U18	51		2		2
U18 Male	45		2		2


	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	35	20	57.14	60.7	1359.8	1420.5
Standard	21	13.5	64.29	121.4	1348	1469.4
Rapid	5	2	40	-85	1403.9	1318.9
Blitz	9	4.5	50	0	1362.8	1362.8
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	96	56.5	58.85	75.3	1284.5	1359.8
Standard	41	22.5	54.88	41.5	1311.6	1353.1
Rapid	40	25	62.5	106.2	1243.9	1350.1
Blitz	15	9	60	85	1319	1404

Date	Main	Standard	Rapid	Blitz
2025-11-01	1397.1	1378.1	1307.7	1232.1
2025-09-30	1396.8	1373.1	1307.7	1232.1
2025-09-01	1325.6	1276.9	1307.7	1232.1
2025-08-01	1325.6	1276.9	1307.7	1232.1
2025-07-01	1323.2	1276.9	1307.7	1250.8
2025-06-01	1323.2	1276.9	1307.7	1250.8
2025-05-01	1291.9	1230.9	1307.7	1250.8
2025-04-01	1291.9	1230.9	1307.7	1250.8
2025-03-01	1291.9	1230.9	1307.7	1250.8
2025-02-01	1286.7	1211.6	1307.7	1250.8
2025-01-01	1283.1	1211.6	1317.9	1250.8
2024-12-01	1283.1	1211.6	1317.9	1250.8
2024-11-01	1283.1	1211.6	1317.9	1250.8
2024-10-01	1322.7	1248	1317.9	1250.8
2024-09-01	1315.8	1248	1317.9	1200
2024-08-01	1253.2	1196.8	1277.6	1200
2024-07-01	1253.2	1196.8	1277.6	1200
2024-09-01	1253.2	1196.8	1277.6	1200
2024-05-01	1253.2	1196.8	1277.6	1200
2024-04-01	1253.2	1196.8	1277.6	1200
2024-03-01	1253.2	1196.8	1277.6	1200
2024-02-01	1234.3	1171.2	1274.4	1200
2024-01-01	1234.3	1171.2	1274.4	1200
2023-12-01	1234.3	1171.2	1274.4	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	11th Piet van Zyl Chess Festival 2025 (A)	2025-10-10	2025-10-11	Standard	Mangaung (FMB)	5	5	2	Yes	Analysis
2	Bloemfontein Highchool Chess Teams Aug 2025	2025-07-26	2025-09-06	Standard	Mangaung (FMB)	6	6	6	Yes	Analysis
3	Smart Chess Blitz 2025 (Open)	2025-07-19	2025-07-19	Blitz	Mangaung (FMB)	9	9	4.5	Yes	Analysis
4	Spartan Bishops Championships Warriors 2025 (U18)	2025-05-23	2025-05-25	Standard	Frances Baard (NCF)	5	5	3.5	Yes	Analysis
5	Grey College Team Championship 2025 (A)	2025-02-21	2025-02-22	Standard	Mangaung (FMB)	5	5	2	Yes	Analysis
6	Mangaung Metro Chess 25 January 2025 (A)	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	11th Piet van Zyl Chess Festival 2025 (A)	2025-10-10	2025-10-11	Standard	Mangaung (FMB)	5	5	2	Yes	Analysis
2	Bloemfontein Highchool Chess Teams Aug 2025	2025-07-26	2025-09-06	Standard	Mangaung (FMB)	6	6	6	Yes	Analysis
3	Smart Chess Blitz 2025 (Open)	2025-07-19	2025-07-19	Blitz	Mangaung (FMB)	9	9	4.5	Yes	Analysis
4	Spartan Bishops Championships Warriors 2025 (U18)	2025-05-23	2025-05-25	Standard	Frances Baard (NCF)	5	5	3.5	Yes	Analysis
5	Grey College Team Championship 2025 (A)	2025-02-21	2025-02-22	Standard	Mangaung (FMB)	5	5	2	Yes	Analysis
6	Mangaung Metro Chess 25 January 2025 (A)	2025-01-25	2025-01-25	Rapid	Mangaung (FMB)	5	5	2	Yes	Analysis
7	Mangaung Metro Chess 11-12 October 2024 (A)	2024-10-11	2024-10-12	Standard	Mangaung (FMB)	5	5	1	Yes	Analysis
8	Smart Chess Blitz 2024 (B)	2024-09-07	2024-09-07	Blitz	Mangaung (FMB)	7	6	4.5	Yes	Analysis
9	Bloemfontein Highschool League 02 Aug 2024 (U17A)	2024-08-02	2024-08-02	Rapid	Mangaung (FMB)	5	5	4	Yes	Analysis
10	Mangaung Metro Chess 3 August 2024 (B)	2024-08-03	2024-08-03	Rapid	Mangaung (FMB)	5	5	3.5	Yes	Analysis
11	Morris Club Championship 2024	2024-07-26	2024-07-27	Standard	Mangaung (FMB)	5	5	3	Yes	Analysis
12	Grey College Team Championship 2024 (B)	2024-02-23	2024-02-24	Standard	Mangaung (FMB)	5	5	3	Yes	Analysis
13	Bloemfontein High School League 16 February 2024 (U17A)	2024-02-16	2024-02-16	Rapid	Mangaung (FMB)	5	5	3	Yes	Analysis
14	Bloemfontein HS League 13 October 2023 (U17+U19)	2023-10-13	2023-10-13	Rapid	Mangaung (FMB)	5	5	3	Yes	Analysis
15	Bloemfontein HS League 27 October 2023 (U19)	2023-10-27	2023-10-27	Rapid	Cape Winelands (WCW)	5	5	3.5	Yes	Analysis
16	St Andrews 19 August 2023 (B)	2023-08-19	2023-08-19	Rapid	Mangaung (FMB)	5	5	3	Yes	Analysis
17	Bloemfontein League 25 August 2023 (U17+U19B)	2023-08-25	2023-08-25	Rapid	Mangaung (FMB)	5	5	3	Yes	Analysis
18	Grey College Team Championship 2023 (B)	2023-02-03	2023-02-04	Standard	Mangaung (FMB)	5	5	2	Yes	Analysis

#	Games	Start				End
1	9	Tournament Smart Chess Blitz 2025				Tournament 11th Piet van Zyl Chess Festival 2025
		date 2025-07-19	rnd 8	type Blitz	result 1	date 2025-10-10	rnd 1	type Standard	result 0.5
		Opponent Feng, SM (Sheng-Ming)				Opponent Smit, A (Albert)
2	8	Tournament Mangaung Metro Chess 3 August 2024				Tournament Smart Chess Blitz 2024
		date 2024-08-03	rnd 3	type Rapid	result 1	date 2024-09-07	rnd 6	type Blitz	result 1
		Opponent Cordon, J (Jesse)				Opponent Khoete, B (Bokang)
3	5	Tournament Spartan Bishops Championships Warriors 2025				Tournament Spartan Bishops Championships Warriors 2025
		date 2025-05-23	rnd 1	type Standard	result 1	date 2025-05-25	rnd 5	type Standard	result 0.5
		Opponent Joubert, C (Charle Joshua)				Opponent Martin, J (Joshua)

#	Games	Start				End
1	5	Tournament Spartan Bishops Championships Warriors 2025				Tournament Spartan Bishops Championships Warriors 2025
		date 2025-05-23	rnd 1	type Standard	result 1	date 2025-05-25	rnd 5	type Standard	result 0.5
		Opponent Joubert, C (Charle Joshua)				Opponent Martin, J (Joshua)
2	3	Tournament Morris Club Championship 2024				Tournament Morris Club Championship 2024
		date 2024-07-26	rnd 2	type Standard	result 1	date 2024-07-27	rnd 4	type Standard	result 1
		Opponent Diphoko, T (Tshepo)				Opponent Geyser, H (Heinrich)
3	3	Tournament Grey College Team Championship 2024				Tournament Grey College Team Championship 2024
		date 2024-02-23	rnd 3	type Standard	result 1	date 2024-02-24	rnd 5	type Standard	result 1
		Opponent Turpin, N (Nina)				Opponent Viviers, H (Hanr�)

#	Games	Start				End
1	5	Tournament Bloemfontein Highschool League 02 Aug 2024				Tournament Mangaung Metro Chess 3 August 2024
		date 2024-08-02	rnd 2	type Rapid	result 1	date 2024-08-03	rnd 1	type Rapid	result 1
		Opponent Jacobs, L (Luciano)				Opponent Boje, E (Ewald)
2	4	Tournament Mangaung Metro Chess 3 August 2024				Tournament Mangaung Metro Chess 25 January 2025
		date 2024-08-03	rnd 3	type Rapid	result 1	date 2025-01-25	rnd 1	type Rapid	result 1
		Opponent Cordon, J (Jesse)				Opponent Kabuya, D (Didier)
3	4	Tournament Bloemfontein HS League 27 October 2023				Tournament Bloemfontein High School League 16 February 2024
		date 2023-10-27	rnd 3	type Rapid	result 1	date 2024-02-16	rnd 1	type Rapid	result 1
		Opponent Melville, J (Jason)				Opponent Swanepoel, W (Wj)

#	Games	Start				End
1	5	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 6	type Blitz	result 1
		Opponent Pelesa, O (Oratilwe)				Opponent Khoete, B (Bokang)
2	2	Tournament Smart Chess Blitz 2025				Tournament Smart Chess Blitz 2025
		date 2025-07-19	rnd 8	type Blitz	result 1	date 2025-07-19	rnd 9	type Blitz	result 0.5
		Opponent Feng, SM (Sheng-Ming)				Opponent De Villiers, H (Hj)
3	2	Tournament Smart Chess Blitz 2025				Tournament Smart Chess Blitz 2025
		date 2025-07-19	rnd 2	type Blitz	result 1	date 2025-07-19	rnd 3	type Blitz	result 1
		Opponent Du Toit, L (Liane')				Opponent Scheepers, CAJ (Christiaan)

#	Games	Start				End
1	5	Tournament Bloemfontein Highschool League 02 Aug 2024				Tournament Mangaung Metro Chess 3 August 2024
		date 2024-08-02	rnd 2	type Rapid	result 1	date 2024-08-03	rnd 1	type Rapid	result 1
		Opponent Jacobs, L (Luciano)				Opponent Boje, E (Ewald)
2	3	Tournament Mangaung Metro Chess 25 January 2025				Tournament Grey College Team Championship 2025
		date 2025-01-25	rnd 5	type Rapid	result 1	date 2025-02-21	rnd 2	type Standard	result 1
		Opponent Beukes, J (Johannes Arnoldus)				Opponent Schoeman, RR (Russo Robbertse)
3	3	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 4	type Blitz	result 1
		Opponent Pelesa, O (Oratilwe)				Opponent Bothma, J (Johannes)

#	Games	Start				End
1	3	Tournament Morris Club Championship 2024				Tournament Morris Club Championship 2024
		date 2024-07-26	rnd 2	type Standard	result 1	date 2024-07-27	rnd 4	type Standard	result 1
		Opponent Diphoko, T (Tshepo)				Opponent Geyser, H (Heinrich)
2	3	Tournament Grey College Team Championship 2024				Tournament Grey College Team Championship 2024
		date 2024-02-23	rnd 3	type Standard	result 1	date 2024-02-24	rnd 5	type Standard	result 1
		Opponent Turpin, N (Nina)				Opponent Viviers, H (Hanr�)
3	2	Tournament Spartan Bishops Championships Warriors 2025				Tournament Spartan Bishops Championships Warriors 2025
		date 2025-05-23	rnd 1	type Standard	result 1	date 2025-05-24	rnd 2	type Standard	result 1
		Opponent Joubert, C (Charle Joshua)				Opponent Daries, R (Rio)

#	Games	Start				End
1	5	Tournament Bloemfontein Highschool League 02 Aug 2024				Tournament Mangaung Metro Chess 3 August 2024
		date 2024-08-02	rnd 2	type Rapid	result 1	date 2024-08-03	rnd 1	type Rapid	result 1
		Opponent Jacobs, L (Luciano)				Opponent Boje, E (Ewald)
2	3	Tournament Bloemfontein League 25 August 2023				Tournament Bloemfontein League 25 August 2023
		date 2023-08-25	rnd 1	type Rapid	result 1	date 2023-08-25	rnd 3	type Rapid	result 1
		Opponent Joubert, A (Amorey)				Opponent April, L (Lorenzo)
3	2	Tournament Mangaung Metro Chess 3 August 2024				Tournament Mangaung Metro Chess 3 August 2024
		date 2024-08-03	rnd 3	type Rapid	result 1	date 2024-08-03	rnd 4	type Rapid	result 1
		Opponent Cordon, J (Jesse)				Opponent Whyte, W (Wyatt)

#	Games	Start				End
1	3	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 4	type Blitz	result 1
		Opponent Pelesa, O (Oratilwe)				Opponent Bothma, J (Johannes)
2	2	Tournament Smart Chess Blitz 2025				Tournament Smart Chess Blitz 2025
		date 2025-07-19	rnd 2	type Blitz	result 1	date 2025-07-19	rnd 3	type Blitz	result 1
		Opponent Du Toit, L (Liane')				Opponent Scheepers, CAJ (Christiaan)
3	1	Tournament Smart Chess Blitz 2025				Tournament Smart Chess Blitz 2025
		date 2025-07-19	rnd 8	type Blitz	result 1	date 2025-07-19	rnd 8	type Blitz	result 1
		Opponent Feng, SM (Sheng-Ming)				Opponent Feng, SM (Sheng-Ming)

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	Rossouw ,J (Johrne)	4	0	-425	2	0	-425	1	0	-425	1	0	-425
1	Rossouw ,J (Johrne)	4	1571	1146	2	1549.9	1146	1	1562.3	1146	1	1168.3	1146
2	Ebersohn ,D (Dewald)	3	2	141.7	2	2	425	1	0	-425	0	0	0
2	Ebersohn ,D (Dewald)	3	1358.6	1500.3	2	1382.7	1783.6	1	1241.6	933.6	0	0	0
3	Whyte ,W (Wyatt)	2	1.5	212.5	1	0.5	0	1	1	425	0	0	0
3	Whyte ,W (Wyatt)	2	1290.4	1502.9	1	1268.1	1290.4	1	981.2	1715.4	0	0	0
4	Weng ,Q (Qi)	2	1.5	212.5	1	0.5	0	1	1	425	0	0	0
4	Weng ,Q (Qi)	2	1472.8	1685.2	1	1506.7	1472.8	1	1346.9	1897.8	0	0	0
5	Mitchell ,V (Vanadium)	2	0	-425	0	0	0	2	0	-425	0	0	0
5	Mitchell ,V (Vanadium)	2	1478.8	1053.8	0	0	0	2	1424.1	1053.8	0	0	0
6	Melville ,J (Jason)	2	1	0	0	0	0	2	1	0	0	0	0
6	Melville ,J (Jason)	2	1219.9	1219.9	0	0	0	2	1246.8	1219.9	0	0	0
7	Scheepers ,CAJ (Christiaan)	2	1.5	212.5	0	0	0	1	0.5	0	1	1	425
7	Scheepers ,CAJ (Christiaan)	2	1390.1	1602.6	0	0	0	1	969.4	1390.1	1	583.8	1815.1
8	Codron ,J (Jesse)	2	0	-425	0	0	0	1	0	-425	1	0	-425
8	Codron ,J (Jesse)	2	1227.8	802.8	0	0	0	1	1170	802.8	1	500	802.8
9	Feng ,SM (Sheng-Ming)	2	1.5	212.5	0	0	0	0	0	0	2	1.5	212.5
9	Feng ,SM (Sheng-Ming)	2	1269.7	1482.2	0	0	0	0	0	0	2	1193.5	1482.2
10	Lebitso ,RLD (Relebohile Lekgotla Delwayo)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
10	Lebitso ,RLD (Relebohile Lekgotla Delwayo)	1	1474.6	1474.6	1	1473.6	1474.6	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

Mclachlan, J (James)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms