Player profile
Efimov, Leonid
Dossier
62 of 65 games analyzed.
Accuracy: 91.2%
Opened d4: 18/27Opened c4: 6/27Opened Nf3: 2/27Opened g3: 1/27
Castled kingside: 49Same-side castling: 41Opposite-side castling: 5Did not castle: 5Castled queenside: 1
Fianchettoed kingside: 27Played on the queenside: 18Played in the center: 16Played on the kingside: 13Fianchettoed queenside: 7
Initiated exchanges: 47Space advantage: 38Kept the bishop pair: 32Backward pawn: 30Sacrificed material: 30Active pieces: 29Isolated pawn: 28Missed tactics: 17Avoided exchanges: 7Accepted short draws: 6
Openings
Click "+" to add that group to the games list below. Multiple groups can be added at once.
As White 28 games 10W 9D 9L
Catalan Opening 9 games 4W 2D 3L
Open Defense 6 games 3W 1D 2L
(unspecified)
4 games
3W
0D
1L
Classical Line
2 games
0W
1D
1L
(unspecified) 2 games 1W 0D 1L
(unspecified)
2 games
1W
0D
1L
Closed 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
King's Indian Defense 3 games 1W 2D 0L
Karpov System 2 games 1W 1D 0L
(unspecified)
2 games
1W
1D
0L
Semi-Averbakh System 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
English Opening 3 games 1W 1D 1L
Caro-Kann Defensive System 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Agincourt Defense 1 game 0W 1D 0L
Catalan Defense Accepted
1 game
0W
1D
0L
Anglo-Indian Defense 1 game 1W 0D 0L
Anglo-Grünfeld Variation
1 game
1W
0D
0L
Bogo-Indian Defense 2 games 0W 1D 1L
Retreat Variation 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Nimzowitsch Variation 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
Nimzo-Indian Defense 2 games 1W 0D 1L
Normal Variation 1 game 0W 0D 1L
Botvinnik System
1 game
0W
0D
1L
Sämisch Variation 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Indian Defense 2 games 0W 1D 1L
Anti-Nimzo-Indian 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
Dzindzi-Indian Defense 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Slav Defense 2 games 1W 0D 1L
Soultanbeieff Variation 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Modern Line 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
King's Indian Attack 2 games 1W 1D 0L
Spassky Variation 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Symmetrical Defense 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
Horwitz Defense 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Hungarian Opening 1 game 0W 1D 0L
Indian Defense 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
Grünfeld Defense 1 game 0W 0D 1L
Stockholm Variation 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
As Black 29 games 7W 12D 10L
Sicilian Defense 16 games 4W 6D 6L
Najdorf Variation 3 games 3W 0D 0L
English Attack
1 game
1W
0D
0L
(unspecified)
1 game
1W
0D
0L
Opocensky Variation, Traditional Line
1 game
1W
0D
0L
Richter-Rauzer Variation 3 games 0W 2D 1L
Classical Variation
3 games
0W
2D
1L
Nyezhmetdinov-Rossolimo Attack 2 games 0W 0D 2L
Fianchetto Variation, Gufeld Gambit
1 game
0W
0D
1L
Gurgenidze Variation
1 game
0W
0D
1L
Velimirovic Attack 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
Moscow Variation 1 game 0W 1D 0L
Sokolsky Variation
1 game
0W
1D
0L
Closed 1 game 0W 0D 1L
Traditional
1 game
0W
0D
1L
Accelerated Dragon 1 game 1W 0D 0L
Modern Bc4 Variation
1 game
1W
0D
0L
Grand Prix Attack 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
French Variation 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
Lasker-Pelikan Variation 1 game 0W 1D 0L
Sveshnikov Variation, Chelyabinsk Variation
1 game
0W
1D
0L
Smith-Morra Gambit 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
English Opening 2 games 0W 1D 1L
Anglo-Indian Defense 1 game 0W 0D 1L
King's Indian Formation
1 game
0W
0D
1L
Agincourt Defense 1 game 0W 1D 0L
Catalan Defense Accepted
1 game
0W
1D
0L
Queen's Gambit Accepted 2 games 0W 2D 0L
(unspecified) 2 games 0W 2D 0L
(unspecified)
2 games
0W
2D
0L
Queen's Gambit Declined 2 games 0W 1D 1L
Three Knights Variation 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Vienna Variation 1 game 0W 1D 0L
Quiet Variation
1 game
0W
1D
0L
Catalan Opening 2 games 1W 0D 1L
Open Defense 2 games 1W 0D 1L
(unspecified)
2 games
1W
0D
1L
King's Indian Attack 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
Nimzo-Indian Defense 1 game 1W 0D 0L
Classical Variation 1 game 1W 0D 0L
Noa Variation
1 game
1W
0D
0L
Bogo-Indian Defense 1 game 0W 0D 1L
Retreat Variation 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Semi-Slav Defense 1 game 1W 0D 0L
Stoltz Variation 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Rapport-Jobava System 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
Blunders Top 4 of 221
This player's costliest moves in analyzed games. Can you find the winning move?
Games Showing all 65 games
| Date | Event | Round | Color | Opponent | Result | Accuracy % | First moves |
|---|---|---|---|---|---|---|---|
| 2026.08.24 | Round 9: Bhuvan Krishna Prasanth - Efimov, Leonid | 9.27 | 2026.08.24 Bhuvan Krishna Prasanth (366104441) (2367) | 0 | 92.80% | 1. Nf3 Nf6 2. c4 g6 3. g3 Bg7 | |
| 2026.08.23 | Round 8: Efimov, Leonid - Jani Kushal R | 8.40 | 2026.08.23 Jani Kushal R (25679988) (2152) | 1 | 97.40% | 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 | |
| 2026.08.22 | Round 7: Jacobson, Aaron - Efimov, Leonid | 7.39 | 2026.08.22 Jacobson, Aaron (2089912) (2360) | ½ | 95.40% | 1. c4 e6 2. Nc3 Nf6 3. Nf3 d5 | |
| 2026.08.21 | Round 6: Efimov, Leonid - Al Maamari, Wafia Darwish | 6.47 | 2026.08.21 Al Maamari, Wafia Darwish (9305734) (2010) | 1 | 91.00% | 1. d4 e6 2. g3 c5 3. Nf3 cxd4 | |
| 2026.08.19 | Round 5: Tolentino, Rustum - Efimov, Leonid | 5.46 | 2026.08.19 Tolentino, Rustum (5202795) (2300) | ½ | 99.20% | 1. Nf3 d5 2. g3 c6 3. Bg2 Bg4 | |
| 2026.08.18 | Round 4: Efimov, Leonid - George Samir, David | 4.37 | 2026.08.18 George Samir, David (10657789) (2369) | 0 | 79.80% | 1. d4 Nf6 2. c4 e6 3. g3 d5 | |
| 2026.08.17 | Round 3: Efimov, Leonid - Davudov, Tunar | 3.27 | 2026.08.17 Davudov, Tunar (13422316) (2435) | 0 | 86.40% | 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 | |
| 2026.08.16 | Round 2: Wafa, Hamed - Efimov, Leonid | 2.35 | 2026.08.16 Wafa, Hamed (10628452) (2401) | 1 | 89.90% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2026.08.15 | Round 1: Urazayev, Arystanbek - Efimov, Leonid | 1.20 | 2026.08.15 Urazayev, Arystanbek (13709810) (2492) | 0 | 86.20% | 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 | |
| 2026.07.24 | Round 9: Pham Tran Gia Phuc - Efimov, Leonid | 9.3 | 2026.07.24 Pham Tran Gia Phuc (12415669) (2452) | ½ | 98.40% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2026.07.22 | Round 7: Kao, Jamison Edrich - Efimov, Leonid | 7.8 | 2026.07.22 Kao, Jamison Edrich (6007937) (2242) | 1 | 96.70% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2026.07.19 | Round 5: Tran Ngoc Minh Duy - Efimov, Leonid | 5.7 | 2026.07.19 Tran Ngoc Minh Duy (12416207) (2283) | ½ | 96.70% | 1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 | |
| 2026.07.18 | Round 3: Gaybullayev, Sanjar - Efimov, Leonid | 3.7 | 2026.07.18 Gaybullayev, Sanjar (14006553) (2022) | 0 | - | 1. d4 Nf6 2. c4 e6 3. Nf3 d5 | |
| 2026.07.18 | Round 2: Efimov, Leonid - Yang, Siyuan | 2.8 | 2026.07.18 Yang, Siyuan (8631166) (2091) | ½ | 90.20% | 1. g3 Nf6 2. Bg2 d5 3. Nf3 g6 | |
| 2026.07.16 | Round 4: Efimov, Leonid - Dang Anh Minh | 4.16 | 2026.07.16 Dang Anh Minh (12415472) (2157) | 0 | - | 1. d4 Nf6 2. c4 e6 3. g3 Bb4+ | |
| 2026.07.15 | Round 8: Efimov, Leonid - Banh Gia Huy | 8.1 | 2026.07.15 Banh Gia Huy (12424714) (2451) | ½ | 94.40% | 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 | |
| 2026.06.26 | Round 11: Abdallah, Mohamed Khalil - Efimov, Leonid | 11.23 | 2026.06.26 Abdallah, Mohamed Khalil (5529506) (2257) | 1 | 90.90% | 1. d4 d5 2. Nf3 Nf6 3. c4 e6 | |
| 2026.06.25 | Round 10: Efimov, Leonid - Bayantas, Asman | 10.22 | 2026.06.25 Bayantas, Asman (13725254) (2263) | ½ | 96.60% | 1. d4 Nf6 2. c4 e6 3. Nf3 d5 | |
| 2026.06.24 | Round 9: Dumanuly, Sultanbeibarys - Efimov, Leonid | 9.16 | 2026.06.24 Dumanuly, Sultanbeibarys (13731963) (2257) | 0 | 86.90% | 1. e4 c5 2. Nc3 Nc6 3. Bb5 Nd4 | |
| 2026.06.23 | World Youth Chess Championship 2026 U18 Open | 8.9 | 2026.06.23 Kvaloy, Aksel Bu (1528815) (2483) | 0 | 91.80% | 1. d4 Nf6 2. c4 e6 3. Nf3 a6 | |
| 2026.06.22 | Round 7: Gut, Raphael - Efimov, Leonid | 7.14 | 2026.06.22 Gut, Raphael (1339974) (2245) | 1 | 92.70% | 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 | |
| 2026.06.20 | Round 6: Efimov, Leonid - Imomkuzieva, Nilufarkhon | 6.19 | 2026.06.20 Imomkuzieva, Nilufarkhon (14216736) (2235) | 1 | 97.10% | 1. c4 e6 2. g3 Nf6 3. d4 d5 | |
| 2026.06.19 | Round 5: Valpas, Jami - Efimov, Leonid | 5.28 | 2026.06.19 Valpas, Jami (517046) (2111) | 1 | 94.30% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2026.06.18 | Round 4: Efimov, Leonid - Barnes, Oliver | 4.39 | 2026.06.18 Barnes, Oliver (2517604) (2000) | 1 | 93.20% | 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 | |
| 2026.06.17 | Round 3: Pironti, Francisco Ferrari - Efimov, Leonid | 3.28 | 2026.06.17 Pironti, Francisco Ferrari (22782311) (2121) | 0 | 90.60% | 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 | |
| 2026.06.16 | Round 2: Efimov, Leonid - Bazilius, Augustinas | 2.18 | 2026.06.16 Bazilius, Augustinas (12832251) (2240) | 0 | 89.30% | 1. c4 c6 2. g3 d5 3. Nf3 g6 | |
| 2026.06.15 | Round 1: Folin, Giorgio - Efimov, Leonid | 1.23 | 2026.06.15 Folin, Giorgio (2870970) (2072) | 1 | 97.20% | 1. e4 c5 2. Nc3 Nc6 3. Nge2 g6 | |
| 2025.10.15 | Round 11: Ilamparthi A R - Efimov, Leonid | 11.3 | 2025.10.15 Ilamparthi A R (45015775) (2518) | 0 | 84.00% | 1. e4 c5 2. Nc3 Nc6 3. f4 g6 | |
| 2025.10.14 | Round 10: Efimov, Leonid - Puzyrevsky, Semyon | 10.12 | 2025.10.14 Puzyrevsky, Semyon (24240931) (2255) | 1 | 97.40% | 1. d4 d5 2. c4 c6 3. Nf3 Nf6 | |
| 2025.10.13 | Round 9: Talgatov, Nazar - Efimov, Leonid | 9.11 | 2025.10.13 Talgatov, Nazar (13743694) (2254) | ½ | 98.00% | 1. e4 c5 2. Nf3 e6 3. g3 Nc6 | |
| 2025.10.09 | Round 6: Efimov, Leonid - Laignel, Quentin | 6.12 | 2025.10.09 Laignel, Quentin (45169128) (2229) | ½ | 96.60% | 1. c4 e6 2. g3 Nf6 3. Bg2 d5 | |
| 2025.10.05 | Round 2: Efimov, Leonid - Heino, Pessi | 2.12 | 2025.10.05 Heino, Pessi (517011) (2201) | ½ | 90.50% | 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ | |
| 2025.09.01 | Round 9: Xie, Felix - Efimov, Leonid | 9.39 | 2025.09.01 Xie, Felix (4308174) (2383) | ½ | 86.40% | 1. c4 e6 2. g3 d5 3. Bg2 Nf6 | |
| 2025.07.13 | Round 9: Efimov, Leonid - Ozen, Metehan | 9.13 | 2025.07.13 Ozen, Metehan (34596054) (2154) | ½ | 84.80% | 1. c4 e6 2. g3 d5 3. Bg2 Nf6 | |
| 2025.07.12 | Round 8: Yakubbaeva, Nilufar - Efimov, Leonid | 8.14 | 2025.07.12 Yakubbaeva, Nilufar (14204487) (2161) | ½ | 99.00% | 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 | |
| 2025.07.11 | Round 7: Efimov, Leonid - Kavri, Yusuf Eren | 7.14 | 2025.07.11 Kavri, Yusuf Eren (34591044) (2142) | ½ | 85.10% | 1. c4 e6 2. g3 Nf6 3. Bg2 d5 | |
| 2025.07.10 | Round 6: Bacak, Muhammed Kaan - Efimov, Leonid | 6.14 | 2025.07.10 Bacak, Muhammed Kaan (6339085) (2075) | ½ | 96.30% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2025.07.10 | Round 5: Efimov, Leonid - Ravshanov, Sheralijon | 5.23 | 2025.07.10 Ravshanov, Sheralijon (14212170) (2156) | 1 | 95.40% | 1. c4 Nf6 2. Nc3 d5 3. cxd5 Nxd5 | |
| 2025.07.09 | Round 4: Karademir, Bugra - Efimov, Leonid | 4.19 | 2025.07.09 Karademir, Bugra (34569405) (2142) | ½ | 93.00% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2025.07.08 | Round 3: Efimov, Leonid - Suyarov, Mukhammadzokhid | 3.6 | 2025.07.08 Suyarov, Mukhammadzokhid (14210495) (2473) | 0 | 90.10% | 1. d4 d5 2. c4 e6 3. Nf3 Nf6 | |
| 2025.07.08 | Round 2: Faizrakhmanov, Ramil - Efimov, Leonid | 2.6 | 2025.07.08 Faizrakhmanov, Ramil (24103209) (2426) | ½ | 90.60% | 1. d4 Nf6 2. c4 e6 3. Nf3 d5 | |
| 2025.07.07 | Round 1: Efimov, Leonid - Yilmazyerli, Mert | 1.4 | 2025.07.07 Yilmazyerli, Mert (6305962) (2515) | 1 | 87.20% | 1. d4 Nf6 2. c4 e6 3. g3 d5 | |
| 2024.12.07 | Round 4: Chaqryan, Erik - Efimov, Leonid | 4.12 | 2024.12.07 Chaqryan, Erik (13312340) (2325) | 0 | 84.60% | 1. d4 d5 2. c4 e6 3. Nf3 Nf6 | |
| 2024.12.06 | Round 2: Sukiasyan, Vahe A. - Efimov, Leonid | 2.9 | 2024.12.06 Sukiasyan, Vahe A. (13317245) (2368) | 0 | 89.00% | 1. d4 d5 2. c4 e6 3. g3 Nf6 | |
| 2024.06.20 | Round 9: Dinh Nho Kiet - Efimov, Leonid | 2024.06.20 Dinh Nho Kiet (12424730) (2129) | 1 | 96.60% | 1. d4 d5 2. c4 e6 3. Nc3 c6 | ||
| 2024.06.20 | Round 8: Efimov, Leonid - Arca, Christian Gian Karlo | 2024.06.20 Arca, Christian Gian Karlo (5258138) (2279) | 0 | 70.20% | 1. d4 d5 2. c4 c6 3. Nf3 Nf6 | ||
| 2024.06.20 | Round 6: Mukhametkali, Merey - Efimov, Leonid | 2024.06.20 Mukhametkali, Merey (13727389) (1942) | ½ | 93.20% | 1. d4 d5 2. Nc3 Nf6 3. Bf4 c5 | ||
| 2024.06.20 | Round 5: Efimov, Leonid - Bolat, Inayat | 2024.06.20 Bolat, Inayat (13733125) (2071) | 1 | 82.90% | 1. d4 Nf6 2. c4 e6 3. g3 d5 | ||
| 2024.06.20 | Round 2: Amirkul, Alimzhan - Efimov, Leonid | 2024.06.20 Amirkul, Alimzhan (13718428) (1994) | 0 | 77.70% | 1. e4 c5 2. d4 cxd4 3. Qxd4 Nc6 | ||
| 2024.06.20 | Round 1: Efimov, Leonid - Chia, Yu Zhe Ashton | 2024.06.20 Chia, Yu Zhe Ashton (5821304) (1924) | 1 | 94.80% | 1. d4 Nf6 2. c4 e6 3. g3 Bb4+ | ||
| 2024.06.18 | Round 8: Dumanuly, Sultanbeibarys - Efimov, Leonid | 2024.06.18 Dumanuly, Sultanbeibarys (13731963) (2123) | 0 | 90.50% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | ||
| 2024.06.17 | Round 7: Efimov, Leonid - Goh, Zi Han | 2024.06.17 Goh, Zi Han (5819156) (2306) | ½ | 92.60% | 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 | ||
| 2024.06.16 | Round 6: Sapenov, Daniyal - Efimov, Leonid | 2024.06.16 Sapenov, Daniyal (13728911) (2339) | ½ | 90.70% | 1. d4 Nf6 2. Nf3 d5 3. c4 e6 | ||
| 2024.06.15 | Round 5: Efimov, Leonid - Maslovskiy, Vladimir | 2024.06.15 Maslovskiy, Vladimir (24273546) (2293) | 1 | 97.60% | 1. Nf3 Nf6 2. g3 b5 3. Bg2 Bb7 | ||
| 2024.06.14 | Round 3: Efimov, Leonid - Amangeldy, Ernur | 2024.06.14 Amangeldy, Ernur (13720244) (2223) | 0 | 88.90% | 1. d4 Nf6 2. c4 e6 3. g3 d5 | ||
| 2024.06.11 | Round 5: Efimov, Leonid - Goh, Zi Han | 2024.06.11 Goh, Zi Han (5819156) (2014) | ½ | 91.30% | 1. Nf3 Nf6 2. g3 g6 3. b3 Bg7 | ||
| 2024.06.10 | Round 2: Efimov, Leonid - Pham, Truong Phu | 2024.06.10 Pham, Truong Phu (12419761) (1971) | 0 | 84.70% | 1. d4 Nf6 2. c4 g6 3. Nc3 d5 | ||
| Round 8: Efimov, Leonid - Nazari, Arad | 8.51 | Nazari, Arad (12577324) (2401) | 1 | 97.50% | 1. d4 e6 2. c4 b6 3. e4 Bb4+ | ||
| Round 7: Kuru, Atilla - Efimov, Leonid | 7.33 | Kuru, Atilla (51607948) (2435) | 0 | 83.40% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | ||
| Round 6: Efimov, Leonid - Dushyant Sharma | 6.56 | Dushyant Sharma (25065130) (2376) | 1 | 93.90% | 1. d4 d5 2. c4 e6 3. Nf3 Nf6 | ||
| Round 5: Jain Kashish Manoj - Efimov, Leonid | 5.37 | Jain Kashish Manoj (35081098) (2408) | 0 | 92.20% | 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 | ||
| Round 4: Efimov, Leonid - Liyanage, Ranindu Dilshan | 4.39 | Liyanage, Ranindu Dilshan (9915834) (2410) | ½ | 98.10% | 1. d4 d5 2. c4 e6 3. Nf3 Nf6 | ||
| Round 3: Bukreev, Stanislav - Efimov, Leonid | 3.62 | Bukreev, Stanislav (34252347) (2370) | 1 | 96.80% | 1. d4 d5 2. c4 e6 3. Nf3 Nf6 | ||
| Round 2: Efimov, Leonid - Davtyan, Arsen | 2.37 | Davtyan, Arsen (13309315) (2421) | 0 | 87.60% | 1. d4 d5 2. c4 e6 3. Nf3 Nf6 | ||
| Round 1: Efimov, Leonid - Panesar Vedant | 1.60 | Panesar Vedant (35033018) (2419) | 1 | - |