Player profile

Leht, Karl Samuel

Standard: 1825 Rapid: 1997 Blitz: 2010 (last updated 2026-11-02)

FIDE ID: 4520840 (view FIDE profile)

Federation: EST Sex: M Birth Year: 2013 Age: 13

Title: — Women's title: — Other title: — FOA title: —

Games: 25 Wins: 6 (24%) Draws: 5 (20%) Losses: 14 (56%)

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Dossier

23 of 25 games analyzed.

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Openings

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As White 10 games 3W 2D 5L

Sicilian Defense 4 games 0W 1D 3L

Sozin Attack 1 game 0W 0D 1L

Main Line 1 game 0W 0D 1L

Lasker-Pelikan Variation 1 game 0W 1D 0L

Sveshnikov Variation, Chelyabinsk Variation 1 game 0W 1D 0L

Najdorf Variation 1 game 0W 0D 1L

English Attack 1 game 0W 0D 1L

Classical Variation 1 game 0W 0D 1L

(unspecified) 1 game 0W 0D 1L

Italian Game 3 games 3W 0D 0L

Classical Variation 2 games 2W 0D 0L

Greco Gambit, Anderssen Variation 1 game 1W 0D 0L

(unspecified) 1 game 1W 0D 0L

Evans Gambit 1 game 1W 0D 0L

McDonnell Defense 1 game 1W 0D 0L

Queen's Gambit Declined 2 games 0W 1D 1L

Harrwitz Attack 1 game 0W 0D 1L

Fianchetto Defense 1 game 0W 0D 1L

Traditional Variation 1 game 0W 1D 0L

(unspecified) 1 game 0W 1D 0L

Queen's Pawn Game 1 game 0W 0D 1L

London System 1 game 0W 0D 1L

with e6 1 game 0W 0D 1L

As Black 8 games 1W 3D 4L

Italian Game 2 games 1W 0D 1L

Scotch Gambit 1 game 1W 0D 0L

Double Gambit Accepted 1 game 1W 0D 0L

Classical Variation 1 game 0W 0D 1L

Giuoco Pianissimo 1 game 0W 0D 1L

Caro-Kann Defense 2 games 0W 2D 0L

Tartakower Variation 2 games 0W 2D 0L

(unspecified) 2 games 0W 2D 0L

Queen's Pawn Game 1 game 0W 0D 1L

Colle System 1 game 0W 0D 1L

(unspecified) 1 game 0W 0D 1L

Dutch Defense 1 game 0W 0D 1L

Leningrad Variation 1 game 0W 0D 1L

Warsaw Variation 1 game 0W 0D 1L

Sicilian Defense 1 game 0W 1D 0L

Kan Variation 1 game 0W 1D 0L

Polugaevsky Variation 1 game 0W 1D 0L

Scotch Game 1 game 0W 0D 1L

Classical Variation 1 game 0W 0D 1L

Intermezzo Variation 1 game 0W 0D 1L

Blunders Top 4 of 151

This player's costliest moves in analyzed games. Can you find the winning move?

2023.06.11 · 52... Qb6 (−88.1% win chance) 1-0

Leht, Karl Samuel

Zabelin, Platon

Engine View game

2024.11.17 · 81... c3 (−47.5% win chance) 1-0

Leht, Karl Samuel

Radnaev, Leo

Engine View game

2023.06.10 · 40. Be2 (−43.9% win chance) 1-0

Rahbar, Aihan

Leht, Karl Samuel

Engine View game

2024.11.26 · 54... Ne2 (−43.3% win chance) 1-0

Leht, Karl Samuel

Vorobyov, Radmir

Engine View game

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Games Showing all 25 games

Date	Event	Round	Opponent	Result	Accuracy %	First moves
2026.01.04	Round 5: Kristofer Kais - Leht, Karl Samuel	5.9	2026.01.04 Kristofer Kais	0	83.20%	1. d4 Nf6 2. Nf3 d5 3. e3 c5
2026.01.03	Round 4: Leht, Karl Samuel - Istratova, Nika	4.10	2026.01.03 Istratova, Nika (4520084) (1513)	1	89.50%	1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5
2026.01.02	Round 2: Leht, Karl Samuel - Kibe, Marten	2.8	2026.01.02 Kibe, Marten (4527615) (1519)	0	-	1. d4 Nf6 2. Nf3 e6 3. Bf4 d5
2026.01.02	Round 1: Kojus, Lukas - Leht, Karl Samuel	1.8	2026.01.02 Kojus, Lukas (4518250) (1403)	1	-	1. e4 e5 2. Nf3 Nc6 3. d4 exd4
2025.10.29	Round 1: Leht, Karl Samuel - Uzdemir, Ali Poyraz	1.7	2025.10.29 Uzdemir, Ali Poyraz (51619733) (2180)	0	90.60%	1. e4 c5 2. Nf3 d6 3. d4 cxd4
2024.11.26	Round 11: Vorobyov, Radmir - Leht, Karl Samuel	11.44	2024.11.26 Vorobyov, Radmir (518077) (2017)	0	83.90%	1. d4 f5 2. Nf3 Nf6 3. g3 g6
2024.11.25	Round 10: Leht, Karl Samuel - Bundan, Edward	10.46	2024.11.25 Bundan, Edward (34603042) (1905)	½	95.00%	1. e4 c5 2. Nf3 Nc6 3. d4 cxd4
2024.11.24	Round 9: Fadeev, Justin Michael - Leht, Karl Samuel	9.47	2024.11.24 Fadeev, Justin Michael (34602968) (1878)	½	95.90%	1. e4 c5 2. Nf3 e6 3. d4 cxd4
2024.11.23	Round 8: Leht, Karl Samuel - Kim, Minwoo	8.56	2024.11.23 Kim, Minwoo (13213580) (1501)	1	96.90%	1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5
2024.11.22	Round 7: Nicot, Valentin - Leht, Karl Samuel	7.47	2024.11.22 Nicot, Valentin (651002477) (2078)	0	88.00%	1. e4 e5 2. Nf3 Nc6 3. d4 exd4
2024.11.20	Round 6: Leht, Karl Samuel - Belyaletdinov, Leonard	6.40	2024.11.20 Belyaletdinov, Leonard (14641771) (1903)	0	81.80%	1. d4 d5 2. c4 e6 3. Nc3 Nf6
2024.11.19	Round 5: Chen, Jun-Wei - Leht, Karl Samuel	5.43	2024.11.19 Chen, Jun-Wei (16304128) (1907)	½	84.70%	1. e4 c6 2. d4 d5 3. Nd2 dxe4
2024.11.18	Round 4: Leht, Karl Samuel - Williams, Henry	4.63	2024.11.18 Williams, Henry (2530945)	1	93.50%	1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5
2024.11.17	Round 3: Radnaev, Leo - Leht, Karl Samuel	3.39	2024.11.17 Radnaev, Leo (1673688) (1990)	0	86.70%	1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5
2024.11.16	Round 2: Leht, Karl Samuel - Skytte, Robert	2.39	2024.11.16 Skytte, Robert (1471775) (1925)	½	80.90%	1. d4 d5 2. c4 e6 3. Nf3 Nf6
2024.11.15	Round 1: Fulgentini, Edoardo - Leht, Karl Samuel	1.27	2024.11.15 Fulgentini, Edoardo (28557050) (2075)	½	82.20%	1. e4 c6 2. d4 d5 3. Nc3 dxe4
2024.04.28	Round 1: Leht, Karl Samuel - Kleimenov, Nikolay		2024.04.28 Kleimenov, Nikolay (34414223) (2332)	0	80.80%	1. e4 c5 2. Nf3 d6 3. d4 cxd4
2024.04.27	Round 6: Leht, Karl Samuel - Hanache, Kai		2024.04.27 Hanache, Kai (490105) (2059)	0	85.10%	1. e4 c5 2. Nf3 d6 3. d4 cxd4
2023.06.11	U10 \| FIDE World Blitz Championship	9	2023.06.11 Zabelin, Platon (55722849) (1534)	0	60.90%	1. d4 d5 2. c4 e6 3. Nc3 Nf6
2023.06.11	U10 \| FIDE World Blitz Championship	8	2023.06.11 Deepak Ambattu, Rithvik (2410060) (1780)	0	81.10%	1. e4 e5 2. Nf3 Nc6 3. Bb5 a6
2023.06.10	boys-10	4.11	2023.06.10 Sason, Noam (371282346) (1562)	0	85.00%	1. e4 c5 2. Nf3 a6 3. d4 cxd4
2023.06.10	boys-10	1.11	2023.06.10 Rahbar, Aihan (36700363) (1665)	1	79.90%	1. e4 c5 2. Nf3 g6 3. d4 cxd4
	Round 2: Leht, Karl Samuel - Beniosev, Daniel	2.2	Beniosev, Daniel (11632674) (2193)	0	87.60%	1. e4 c5 2. Nf3 e6 3. d4 cxd4
	Round 1: Beniosev, Daniel - Leht, Karl Samuel	1.2	Beniosev, Daniel (11632674) (2193)	1	93.40%	1. e4 c6 2. d4 d5 3. exd5 cxd5
	Round 1: Leht, Karl Samuel - Develi, Kemal Cagan	1.1	Develi, Kemal Cagan (51604051) (1979)	0	84.90%	1. e4 e6 2. d4 d5 3. Nc3 Nf6