Player profile
Nelson, Leon
Dossier
35 of 36 games analyzed.
Accuracy: 88.5%
Opened c4: 7/8Opened d4: 1/8
Castled kingside: 17Same-side castling: 14Opposite-side castling: 2Did not castle: 1Castled queenside: 1
Fianchettoed kingside: 15Played on the kingside: 8Fianchettoed queenside: 5Played on the queenside: 4Played in the center: 4
Kept the bishop pair: 16Space advantage: 12Active pieces: 12Initiated exchanges: 12Backward pawn: 11Isolated pawn: 10Sacrificed material: 10Missed tactics: 7Avoided exchanges: 5Played gambits: 2
Openings
Click "+" to add that group to the games list below. Multiple groups can be added at once.
As White 8 games 4W 2D 2L
English Opening 6 games 3W 2D 1L
Anglo-Indian Defense 4 games 3W 1D 0L
(unspecified)
4 games
3W
1D
0L
Agincourt Defense 2 games 0W 1D 1L
Catalan Defense Accepted
1 game
0W
1D
0L
Neo-Catalan Declined
1 game
0W
0D
1L
Réti Opening 1 game 1W 0D 0L
Anglo-Slav Variation 1 game 1W 0D 0L
with g3
1 game
1W
0D
0L
Benko Gambit Accepted 1 game 0W 0D 1L
Modern Variation 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
As Black 12 games 5W 2D 5L
Sicilian Defense 5 games 1W 2D 2L
Alapin Variation 3 games 0W 1D 2L
(unspecified)
2 games
0W
1D
1L
Barmen Defense
1 game
0W
0D
1L
Grand Prix Attack 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
Modern Variations 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
English Opening 2 games 1W 0D 1L
Anglo-Indian Defense 2 games 1W 0D 1L
(unspecified)
2 games
1W
0D
1L
King's Indian Defense 2 games 1W 0D 1L
Exchange Variation 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Semi-Averbakh System 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Van't Kruijs Opening 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
London System, with Be2 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Bird Opening 1 game 1W 0D 0L
Horsefly Defense 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Blunders Top 4 of 169
This player's costliest moves in analyzed games. Can you find the winning move?
Games Showing all 36 games
| Date | Event | Round | Color | Opponent | Result | Accuracy % | First moves |
|---|---|---|---|---|---|---|---|
| 2026.08.31 | Round 6: Gorgun, Aliriza Atif - Nelson, Leon | 6.10 | 2026.08.31 Gorgun, Aliriza Atif (34503480) (1928) | 1 | - | ||
| 2026.08.30 | Round 5: Nelson, Leon - Brennan, Henry | 5.12 | 2026.08.30 Brennan, Henry (343447856) (1876) | 1 | 98.20% | 1. c4 Nf6 2. g3 c6 3. Nf3 d5 | |
| 2026.08.30 | Round 4: Norris, Zack - Nelson, Leon | 4.4 | 2026.08.30 Norris, Zack (343431216) (2275) | 0 | 80.70% | 1. c4 Nf6 2. g3 g6 3. Bg2 Bg7 | |
| 2026.08.29 | Round 3: Nelson, Leon - Steventon, Christopher | 3.13 | 2026.08.29 Steventon, Christopher (343426425) (1789) | 1 | 91.80% | 1. c4 Nf6 2. g3 g6 3. Bg2 c6 | |
| 2026.08.29 | Round 2: Palav, Mayank - Nelson, Leon | 2.14 | 2026.08.29 Palav, Mayank (469335) (1786) | ½ | 85.90% | 1. e4 c5 2. Nc3 Nc6 3. f4 g6 | |
| 2026.05.29 | Round 5: Nelson, Leon - Murawski, Jan | 5.1 | 2026.05.29 Murawski, Jan (21009287) (2186) | ½ | 93.80% | 1. c4 e6 2. g3 Nf6 3. Bg2 d5 | |
| 2026.05.17 | Round 4: Chua, Chee Sian Sebastien - Nelson, Leon | 4.2 | 2026.05.17 Chua, Chee Sian Sebastien (5727421) (2081) | 1 | 97.10% | 1. e4 c5 2. Nf3 d6 3. Nc3 Nf6 | |
| 2026.05.16 | Round 2: Nelson, Leon - De Coverly, Roger D | 2.4 | 2026.05.16 De Coverly, Roger D (405213) (1878) | 1 | 94.50% | 1. c4 Nf6 2. g3 g6 3. Bg2 Bg7 | |
| 2026.05.15 | Round 1: Di-Vetta, Andrew - Nelson, Leon | 1.11 | 2026.05.15 Di-Vetta, Andrew (1803964) (1769) | 1 | 96.00% | 1. c4 Nf6 2. g3 g6 3. Bg2 Bg7 | |
| 2026.03.08 | Round 5: Nelson, Leon - Malinovskii, Ilia | 5.8 | 2026.03.08 Malinovskii, Ilia (24146374) (2085) | 0 | 91.80% | 1. d4 Nf6 2. c4 c5 3. d5 b5 | |
| 2026.03.08 | Round 4: Garcia Hernandez, Oscar - Nelson, Leon | 4.8 | 2026.03.08 Garcia Hernandez, Oscar (2256380) (2057) | ½ | 93.00% | 1. e4 c5 2. c3 g6 3. d4 cxd4 | |
| 2026.03.06 | Round 1: Stubbs, Oliver - Nelson, Leon | 1.4 | 2026.03.06 Stubbs, Oliver (441325) (2184) | 0 | 88.80% | 1. d4 Nf6 2. Nf3 g6 3. Bf4 Bg7 | |
| 2025.07.31 | Round 9: Rastogi, Nayan Keats - Nelson, Leon | 9.5 | 2025.07.31 Rastogi, Nayan Keats (343407579) (1849) | 0 | 84.90% | 1. e4 c5 2. c3 g6 3. Nf3 d5 | |
| 2025.07.31 | Round 8: Dissanayake, Sathsara - Nelson, Leon | 8.4 | 2025.07.31 Dissanayake, Sathsara (343415792) (1719) | 0 | - | 1. e4 c5 2. c3 g6 3. d4 cxd4 | |
| 2025.07.31 | Round 7: Nelson, Leon - Pal, Rohan | 7.2 | 2025.07.31 Pal, Rohan (462489) (1822) | 0 | 81.10% | 1. c4 e6 2. g3 d5 3. Bg2 Nf6 | |
| 2025.07.31 | Round 5: Nelson, Leon - Amoako Philip Selikem Yao | 5.2 | 2025.07.31 Amoako Philip Selikem Yao (12602256) (1981) | 1 | 89.90% | 1. c4 Nf6 2. g3 g6 3. Bg2 Bg7 | |
| 2025.07.31 | Round 4: Pranav Mathur - Nelson, Leon | 4.3 | 2025.07.31 Pranav Mathur (33397880) (1913) | 1 | 73.00% | 1. f4 Nh6 2. Nf3 c5 3. e4 d5 | |
| 2025.07.31 | Round 2: Patel, Zain - Nelson, Leon | 2.8 | 2025.07.31 Patel, Zain (469246) (1988) | 1 | 84.40% | 1. Nf3 Nf6 2. d4 g6 3. c4 Bg7 | |
| 2025.07.31 | Round 1: Nelson, Leon - Mokhber-Garcia, Sebastian | 1.5 | 2025.07.31 Mokhber-Garcia, Sebastian (499269) (2102) | ½ | 82.70% | 1. c4 Nf6 2. g3 e6 3. Bg2 d5 | |
| 2025.07.29 | Round 6: Badacsonyi, Stanley - Nelson, Leon | 6.1 | 2025.07.29 Badacsonyi, Stanley (486973) (2307) | 0 | 84.60% | 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 | |
| Round 7: Nelson, Leon - Yu, Rock | 7.3 | Yu, Rock (489000) (2107) | 0 | 89.70% | 1. c4 b6 2. Nc3 Bb7 3. e4 c5 | ||
| Round 6: Hale, Jack - Nelson, Leon | 6.5 | Hale, Jack (343449573) | 1 | 96.80% | 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 | ||
| Round 5: Nelson, Leon - Vadalia, Jainill | 5.3 | Vadalia, Jainill (2409399) (1929) | ½ | 87.40% | 1. c4 Nf6 2. g3 e6 3. Bg2 d5 | ||
| Round 4: Catabay, Mae Katelyn Rose - Nelson, Leon | 4.9 | Catabay, Mae Katelyn Rose (484768) (1823) | 1 | 97.00% | 1. d4 Nf6 2. Nf3 g6 3. Bg5 Ne4 | ||
| Round 3: Nelson, Leon - Rajaguru, Diyenka Kithumi | 3.10 | Rajaguru, Diyenka Kithumi (29975689) (1418) | 1 | 93.60% | 1. c4 Nf6 2. g3 d5 3. cxd5 Qxd5 | ||
| Round 2: Newton, Ben - Nelson, Leon | 2.11 | Newton, Ben (488488) (1644) | ½ | 82.20% | 1. e4 c5 2. c3 g6 3. d4 cxd4 | ||
| Round 1: Nelson, Leon - Ajaykumar, Arav | 1.12 | Ajaykumar, Arav (343427758) (1527) | 0 | 86.10% | 1. c4 f5 2. g3 Nf6 3. Bg2 g6 | ||
| Round 9: Nelson, Leon - Swiatkowski, Dominik | 9.5 | Swiatkowski, Dominik (343415202) (1731) | 1 | 86.10% | 1. c4 e5 2. g3 Nf6 3. Bg2 d5 | ||
| Round 8: Badacsonyi, Stanley - Nelson, Leon | 8.1 | Badacsonyi, Stanley (486973) (2343) | 0 | 81.00% | 1. d4 Nf6 2. Bg5 Ne4 3. Bf4 c5 | ||
| Round 7: Nelson, Leon - Chapman, Luke | 7.3 | Chapman, Luke (343416608) (1830) | ½ | 85.10% | 1. c4 e5 2. g3 Nc6 3. Nc3 f5 | ||
| Round 6: Sherwood, Gabriel - Nelson, Leon | 6.5 | Sherwood, Gabriel (343454313) (1774) | 1 | 97.90% | 1. e4 c5 2. Nc3 Nc6 3. f4 g6 | ||
| Round 5: Nelson, Leon - Patel, Zain | 5.5 | Patel, Zain (469246) (2073) | 1 | 86.80% | 1. c4 Nf6 2. g3 c5 3. Bg2 e6 | ||
| Round 4: Greenland, Jake - Nelson, Leon | 4.10 | Greenland, Jake (481955) (1561) | 1 | 95.10% | 1. c4 Nf6 2. g3 g6 3. Bg2 Bg7 | ||
| Round 3: Nelson, Leon - Rastogi, Nayan Keats | 3.6 | Rastogi, Nayan Keats (343407579) (1661) | 0 | 87.60% | 1. c4 e5 2. g3 Nf6 3. Bg2 d5 | ||
| Round 2: Saha, Soumil - Nelson, Leon | 2.4 | Saha, Soumil (343414770) (1578) | 0 | 63.70% | 1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 | ||
| Round 1: Nelson, Leon - Ramzan, Timur | 1.6 | Ramzan, Timur (1805630) (1592) | 1 | 86.40% | 1. c4 Nf6 2. g3 d5 3. cxd5 Qxd5 |