PLAYER PAGE
Calitz Lochner
1170192183Johannesburg Metro (GJM)Personal
Main rating
| Rating | 1313.6 |
| K-factor | 36 |
| Floor | 820.8 |
| Highest | 1320.8 (2026-07-01) |
| Min/Max +/- allowed | 140 |
| Rating Change () | |
| Games | 10 |
| Score | 9 |
| We | 7.21 |
| SWe | 0.99 |
| Temp +/- | 35.6 |
| Penalties | 0 |
| Weight perform | 1353.7 |
| Final +/- | +40.1 |
| New Rating () | |
| Rating | 1353.7 |
| K-factor | 36 |
| Floor | 853.7 |
| Highest | 1353.7 (2026-10-01) |
| Min/Max +/- allowed | 133.2 |
Standard rating
| Rating | 1311.5 |
| K-factor | 36 |
| Floor | 820.8 |
| Highest | 1320.8 (2026-07-01) |
| Min/Max +/- allowed | 139.6 |
| Rating Change () | |
| Games | 5 |
| Score | 4 |
| We | 3.01 |
| SWe | 0.99 |
| Temp +/- | 35.7 |
| Penalties | 0 |
| Weight perform | 1342 |
| Final +/- | +35.7 |
| New Rating () | |
| Rating | 1347.2 |
| K-factor | 36 |
| Floor | 847.2 |
| Highest | 1347.2 (2026-10-01) |
| Min/Max +/- allowed | 134.4 |
Rapid rating
| Rating | 1221.6 |
| K-factor | 36 |
| Floor | 721.6 |
| Highest | 1297.8 (2024-03-01) |
| Min/Max +/- allowed | 144.3 |
| Rating Change () | |
| Games | 5 |
| Score | 5 |
| We | 3.77 |
| SWe | 0.33 |
| Temp +/- | 11.8 |
| Penalties | 0 |
| Weight perform | 0 |
| Final +/- | +11.8 |
| New Rating () | |
| Rating | 1233.4 |
| K-factor | 36 |
| Floor | 721.6 |
| Highest | 1297.8 (2024-03-01) |
| Min/Max +/- allowed | 144.3 |
Blitz rating
| Rating | 1200 |
| K-factor | 36 |
| Floor | 700 |
| Highest | 1200 (2024-02-01) |
| Min/Max +/- allowed | 165.8 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 0 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1200 |
| K-factor | 36 |
| Floor | 700 |
| Highest | 1200 (2024-02-01) |
| Min/Max +/- allowed | 165.8 |
Rating Graph
Tournaments
| # | Tournament | Type | Start | End | Host | Rounds | Rating | Games | Score | Perform | Rat+/- | Details |
| 1 | Gauteng Top Schools Teams 2026 (U9) | Rapid | 2026-08-28 | 2026-08-28 | Ekurhuleni (GE) | 5 | 1313.6 | 5 | 5 | 1414.4 | 5.5 | Details |
| 2 | 2026 Tshwane Chess Club Clash Open Team Tournament (U10) | Standard | 2026-09-24 | 2026-09-24 | Tshwane (GTP) | 5 | 1313.6 | 5 | 4 | 1490.9 | 30.1 | Details |
| # | Tournament | Type | Start | End | Host | Rounds | Rating | Games | Score | Perform | Rat+/- | Details |
| 1 | JMC Closed 2026 (U10) | Standard | 2026-08-01 | 2026-08-01 | Johannesburg Metro (GJM) | 5 | 1313.6 | 5 | 2.5 | 1270.7 | -7.2 | Details |
| 2 | JMC Helpmekaar 2026 (U10) | Standard | 2026-05-31 | 2026-05-31 | Johannesburg Metro (GJM) | 5 | 1298.7 | 5 | 2.5 | 1380.9 | 15.5 | Details |
| 3 | 3rd KHELO INDIA - LCA Chess Tournament 2026 (D) | Standard | 2026-04-19 | 2026-04-19 | Johannesburg Metro (GJM) | 5 | 1269.6 | 5 | 2 | 1331.5 | 9.4 | Details |
| 4 | JMC Trinityhouse Little Falls (U10) | Standard | 2026-02-28 | 2026-02-28 | Johannesburg Metro (GJM) | 5 | 1248.8 | 5 | 3 | 1374.7 | 20.8 | Details |
| 5 | 2026 JMC Kick off Tournament (U10) | Standard | 2026-02-01 | 2026-02-01 | Johannesburg Metro (GJM) | 5 | 1237.8 | 5 | 2 | 1294.6 | 3.5 | Details |
| 6 | Gauteng Inter-Region at Emerald Resort 2025 (U10 Candidates) | Standard | 2025-12-06 | 2025-12-07 | Sedibeng (GSV) | 5 | 1228.4 | 5 | 3 | 1355.6 | 13.2 | Details |
| 7 | JMC Closed 2025 (U10) | Standard | 2025-08-09 | 2025-08-09 | Johannesburg Metro (GJM) | 5 | 1232.2 | 5 | 1 | 1123.2 | -10.1 | Details |
| 8 | JMC Helpmekaar 2025 (U10) | Standard | 2025-06-01 | 2025-06-01 | Johannesburg Metro (GJM) | 5 | 1249.5 | 4 | 0.5 | 979.3 | -21.1 | Details |
| 9 | JMC Crawford Sandton 2025 (U10) | Standard | 2025-05-10 | 2025-05-10 | Johannesburg Metro (GJM) | 5 | 1230.2 | 5 | 2 | 1334.6 | 10.6 | Details |
| 10 | 2025 Chris Greyling Open Chess Tournament (U10) | Standard | 2025-03-15 | 2025-03-15 | Tshwane (GTP) | 5 | 1223.3 | 5 | 2 | 1224.7 | 0.7 | Details |
| 11 | JMC Crawford Ruimsig 2025 (U10) | Standard | 2025-03-01 | 2025-03-01 | Johannesburg Metro (GJM) | 5 | 1223.3 | 5 | 2 | 1249.1 | 3.2 | Details |
| 12 | Knight Riders Open Chess Tournament 2025 (U10) | Standard | 2025-02-22 | 2025-02-22 | Johannesburg Metro (GJM) | 5 | 1245.7 | 5 | 2 | 1174.1 | -7.6 | Details |
| 13 | MCA Welcome 2025 (Junior) | Standard | 2025-02-15 | 2025-02-15 | Johannesburg Metro (GJM) | 5 | 1245.7 | 5 | 1 | 922.2 | -30.9 | Details |
| 14 | Gauteng Inter-Region at UJ 2024 (U8 Open) | Standard | 2024-12-07 | 2024-12-08 | Johannesburg Metro (GJM) | 5 | 1228.8 | 5 | 3 | 1320.6 | 9.4 | Details |
| 15 | Fonteine Open 2024 (E) | Standard | 2024-10-19 | 2024-10-19 | Sedibeng (GSV) | 5 | 1242.2 | 5 | 2 | 1096.2 | -13.3 | Details |
| 16 | Gauteng Top Schools 2024 (U9 Open) | Standard | 2024-10-04 | 2024-10-04 | Ekurhuleni (GE) | 5 | 1242.2 | 5 | 3 | 1310 | 5.8 | Details |
| 17 | JMC Closed 2024 (U8) | Standard | 2024-08-09 | 2024-08-09 | Johannesburg Metro (GJM) | 5 | 1242.2 | 0 | 0 | 0 | 0 | Details |
| 18 | JMC Trinityhouse Little Falls 2024 (U8) | Standard | 2024-06-02 | 2024-06-02 | Johannesburg Metro (GJM) | 5 | 1227.9 | 5 | 3 | 1304 | 8 | Details |
| 19 | CPH St Andrew's Rapid 2024 (D) | Rapid | 2024-03-30 | 2024-03-30 | Ekurhuleni (GE) | 5 | 1216.3 | 5 | 3 | 1285 | 4.2 | Details |
| 20 | 1st Knights Open Tournament 2024 (U8) | Standard | 2024-03-23 | 2024-03-23 | Johannesburg Metro (GJM) | 5 | 1216.3 | 5 | 3.5 | 1375 | 16.1 | Details |
| 21 | JNW Open - Classic - Crawford 2024 (U8) | Standard | 2024-03-09 | 2024-03-09 | Johannesburg Metro (GJM) | 5 | 1216.3 | 4 | 1 | 1039.6 | -13.8 | Details |
| 22 | 2024 Constantiapark Open (F) | Standard | 2024-02-17 | 2024-02-17 | Tshwane (GTP) | 5 | 1200 | 5 | 3 | 1276 | 8.1 | Details |
Game statistics ( )
| Games | 0 |
| Wins | 0 |
| Draws | 0 |
| Losses | 0 |
| White | 0 |
| Black | 0 |
| White wins | 0 |
| Black wins | 0 |
| Score | 0 |
| Percent | 0 |
| Dp | 0 |
| AOR | 0 |
| Performance | 0 |
Game statistics ()
| Games | 35 |
| Wins | 20 |
| Draws | 2 |
| Losses | 13 |
| White | 17 |
| Black | 18 |
| White wins | 10 |
| Black wins | 10 |
| Score | 21 |
| Percent | 60 |
| Dp | 85 |
| AOR | 1280.4 |
| Performance | 1365.4 |
Game statistics (History)
| Games | 113 |
| Wins | 53 |
| Draws | 6 |
| Losses | 54 |
| White | 53 |
| Black | 60 |
| White wins | 21 |
| Black wins | 32 |
| Score | 56 |
| Percent | 49.6 |
| Dp | -3.8 |
| AOR | 1265.8 |
| Performance | 1262.1 |
Rankings (Main)
| National | |
| Overall | 5725 |
| Gender | 4703 |
| Age group | 275 |
| Gender/Age | 217 |
| Provincial | |
| Overall | 1949 |
| Gender | 1601 |
| Age group | 103 |
| Gender/Age | 80 |
| Regional | |
| Overall | 526 |
| Gender | 449 |
| Age group | 34 |
| Gender/Age | 25 |
Rankings (Standard)
| National | |
| Overall | 5132 |
| Gender | 4186 |
| Age group | 265 |
| Gender/Age | 207 |
| Provincial | |
| Overall | 1816 |
| Gender | 1489 |
| Age group | 96 |
| Gender/Age | 75 |
| Regional | |
| Overall | 486 |
| Gender | 412 |
| Age group | 32 |
| Gender/Age | 25 |
Rankings (Rapid)
| National | |
| Overall | -1 |
| Gender | -1 |
| Age group | -1 |
| Gender/Age | -1 |
| Provincial | |
| Overall | -1 |
| Gender | -1 |
| Age group | -1 |
| Gender/Age | -1 |
| Regional | |
| Overall | -1 |
| Gender | -1 |
| Age group | -1 |
| Gender/Age | -1 |
Rankings (Blitz)
| National | |
| Overall | -1 |
| Gender | -1 |
| Age group | -1 |
| Gender/Age | -1 |
| Provincial | |
| Overall | -1 |
| Gender | -1 |
| Age group | -1 |
| Gender/Age | -1 |
| Regional | |
| Overall | -1 |
| Gender | -1 |
| Age group | -1 |
| Gender/Age | -1 |
Performance ( )
| Games | 0 |
| Score | 0 |
| Percent | 0 |
| Aor | 0 |
| Dp | 0 |
| Prat | 0 |
Performance ()
| Games | 35 |
| Score | 21 |
| Percent | 60 |
| Aor | 1280.4 |
| Dp | 85 |
| Prat | 1365.4 |
Performance (12 months)
| Games | 40 |
| Score | 24 |
| Percent | 60 |
| Aor | 1279.2 |
| Dp | 85 |
| Prat | 1364.2 |
Performance (History)
| Games | 113 |
| Score | 56 |
| Percent | 49.6 |
| Aor | 1265.8 |
| Dp | -3.8 |
| Prat | 1262.1 |
Top 5 opponents most often played
| Type | # | Opponent | Games | White | Black | First tournament | Last tournament | Details |
| Overall | 1 | Malemane, A (Atlehang Faith) | 5 | 2 | 3 | JNW Open - Classic - Crawford 2024 (U8) | 3rd KHELO INDIA - LCA Chess Tournament 2026 (D) | Details |
| Overall | 2 | Joubert, Z (Zani) | 4 | 1 | 3 | JMC Trinityhouse Little Falls 2024 (U8) | JMC Trinityhouse Little Falls (U10) | Details |
| Overall | 3 | Sahoo, S (Shaurya) | 4 | 2 | 2 | 1st Knights Open Tournament 2024 (U8) | JMC Helpmekaar 2026 (U10) | Details |
| Overall | 4 | Deysel, Z (Zachariah) | 3 | 1 | 2 | JNW Open - Classic - Crawford 2024 (U8) | JMC Closed 2025 (U10) | Details |
| Overall | 5 | Dippenaar, L (Luka) | 2 | 1 | 1 | JMC Trinityhouse Little Falls 2024 (U8) | JMC Helpmekaar 2026 (U10) | Details |
| Standard | 1 | Malemane, A (Atlehang Faith) | 5 | 2 | 3 | JNW Open - Classic - Crawford 2024 (U8) | 3rd KHELO INDIA - LCA Chess Tournament 2026 (D) | Details |
| Standard | 2 | Sahoo, S (Shaurya) | 4 | 2 | 2 | 1st Knights Open Tournament 2024 (U8) | JMC Helpmekaar 2026 (U10) | Details |
| Standard | 3 | Joubert, Z (Zani) | 4 | 1 | 3 | JMC Trinityhouse Little Falls 2024 (U8) | JMC Trinityhouse Little Falls (U10) | Details |
| Standard | 4 | Deysel, Z (Zachariah) | 3 | 1 | 2 | JNW Open - Classic - Crawford 2024 (U8) | JMC Closed 2025 (U10) | Details |
| Standard | 5 | Jansen Van Vuuren, C (Clana) | 2 | 2 | 0 | 2024 Constantiapark Open (F) | 2025 Chris Greyling Open Chess Tournament (U10) | Details |