Player profile
Mons, Leon
Dossier
60 of 63 games analyzed.
Accuracy: 93.1%
Opened Nf3: 8/22Opened c4: 5/22Opened e4: 4/22Opened d4: 4/22Opened g3: 1/22
Castled kingside: 38Same-side castling: 34Did not castle: 10Opposite-side castling: 4Castled queenside: 3
Played on the queenside: 17Played in the center: 15Fianchettoed kingside: 15Fianchettoed queenside: 13Played on the kingside: 12
Active pieces: 35Kept the bishop pair: 33Backward pawn: 30Space advantage: 30Initiated exchanges: 29Sacrificed material: 24Isolated pawn: 21Avoided exchanges: 10Played gambits: 8Accepted short draws: 8
Openings
Click "+" to add that group to the games list below. Multiple groups can be added at once.
As White 24 games 11W 11D 2L
English Opening 6 games 3W 3D 0L
Anglo-Indian Defense 4 games 1W 3D 0L
King's Knight Variation
2 games
0W
2D
0L
King's Indian Formation
1 game
0W
1D
0L
Anti-Anti-Grünfeld
1 game
1W
0D
0L
(unspecified) 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Agincourt Defense 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Zukertort Opening 4 games 1W 2D 1L
(unspecified) 2 games 1W 0D 1L
(unspecified)
2 games
1W
0D
1L
Dutch Variation 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
Sicilian Invitation 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
? 2 games 1W 1D 0L
(unspecified) 2 games 1W 1D 0L
(unspecified)
2 games
1W
1D
0L
Queen's Pawn Game 2 games 1W 1D 0L
Accelerated London System 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
Symmetrical Variation 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Catalan Opening 2 games 0W 2D 0L
Open Defense 2 games 0W 2D 0L
(unspecified)
2 games
0W
2D
0L
Réti Opening 2 games 2W 0D 0L
Anglo-Slav Variation 2 games 2W 0D 0L
with g3
2 games
2W
0D
0L
Bird Opening 1 game 1W 0D 0L
Sturm Gambit 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Owen Defense 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Caro-Kann Defense 1 game 1W 0D 0L
Two Knights Attack 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Ruy Lopez 1 game 0W 1D 0L
Morphy Defense 1 game 0W 1D 0L
Steinitz Deferred
1 game
0W
1D
0L
Sicilian Defense 1 game 0W 0D 1L
Smith-Morra Gambit 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
King's Indian Defense 1 game 0W 1D 0L
Petrosian Variation 1 game 0W 1D 0L
Stein Defense
1 game
0W
1D
0L
As Black 30 games 4W 16D 10L
Italian Game 4 games 0W 2D 2L
Classical Variation 4 games 0W 2D 2L
Giuoco Pianissimo
3 games
0W
2D
1L
Giuoco Pianissimo, with h6
1 game
0W
0D
1L
? 3 games 0W 1D 2L
(unspecified) 3 games 0W 1D 2L
(unspecified)
3 games
0W
1D
2L
Ruy Lopez 3 games 0W 1D 2L
Closed 3 games 0W 1D 2L
Delayed Exchange
1 game
0W
0D
1L
Anti-Marshall
1 game
0W
0D
1L
Martinez Variation
1 game
0W
1D
0L
Four Knights Game 3 games 0W 3D 0L
Scotch Variation Accepted 2 games 0W 2D 0L
Main Line
2 games
0W
2D
0L
Spanish Variation 1 game 0W 1D 0L
Symmetrical Variation
1 game
0W
1D
0L
Sicilian Defense 2 games 1W 1D 0L
Nyezhmetdinov-Rossolimo Attack 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
Open 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
English Opening 2 games 0W 1D 1L
Agincourt Defense 1 game 0W 0D 1L
Neo-Catalan Declined
1 game
0W
0D
1L
King's English Variation 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
Catalan Opening 1 game 0W 1D 0L
Open Defense 1 game 0W 1D 0L
Classical Line
1 game
0W
1D
0L
Bird Opening 1 game 0W 0D 1L
Myers Defense 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Hungarian Opening 1 game 0W 1D 0L
Symmetrical Variation 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
French Defense 1 game 0W 0D 1L
Rubinstein Variation 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
King's Indian Attack 1 game 1W 0D 0L
Sicilian Variation 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Scandinavian Defense 1 game 0W 1D 0L
Main Line 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
Queen's Gambit Declined 1 game 0W 1D 0L
Semi-Tarrasch Defense 1 game 0W 1D 0L
Exchange Variation
1 game
0W
1D
0L
Indian Defense 1 game 0W 1D 0L
London System 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
Vienna Game 1 game 0W 1D 0L
Vienna Gambit 1 game 0W 1D 0L
Bardeleben Variation
1 game
0W
1D
0L
Nimzo-Indian Defense 1 game 1W 0D 0L
Classical Variation 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Pseudo Queen's Indian Defense 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Bogo-Indian Defense 1 game 0W 1D 0L
Retreat Variation 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
Zukertort Opening 1 game 0W 0D 1L
Sicilian Invitation 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Blunders Top 4 of 110
This player's costliest moves in analyzed games. Can you find the winning move?
Games Showing all 63 games
| Date | Event | Round | Color | Opponent | Result | Accuracy % | First moves |
|---|---|---|---|---|---|---|---|
| 2026.10.20 | Round 4: Csonka, Balazs - Mons, Leon | 4.1 | 2026.10.20 Csonka, Balazs (742910) (2470) | 0 | 85.40% | 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 | |
| 2026.10.18 | Round 2: Mons, Leon - Maurizzi, MarcAndria | 2.1 | 2026.10.18 Maurizzi, MarcAndria (36083534) (2624) | 0 | 84.40% | 1. Nf3 d5 2. e3 Nf6 3. c4 e6 | |
| 2026.04.05 | Round 7: Duong, Quang Bach - Mons, Leon | 7.44 | 2026.04.05 Duong, Quang Bach (16287045) (2282) | 0 | 84.10% | 1. d4 d5 2. f3 f6 3. e4 c6 | |
| 2026.04.05 | Round 6: Mons, Leon - Jeitz, Christian | 6.62 | 2026.04.05 Jeitz, Christian (4000803) (2155) | 1 | 95.80% | 1. g3 g6 2. d4 d5 3. e3 O-O | |
| 2026.04.03 | Round 3: Nebolsina, Vera - Mons, Leon | 3.43 | 2026.04.03 Nebolsina, Vera (4163591) (2193) | 0 | 81.50% | 1. d4 c5 2. dxc5 Na6 3. Nb3 e6 | |
| 2026.04.03 | Round 2: Mons, Leon - Mueller, Adrian | 2.63 | 2026.04.03 Mueller, Adrian (12965987) (2076) | ½ | 82.40% | 1. c4 c5 2. d3 d6 3. Nbc3 Nbc6 | |
| 2026.04.03 | Round 1: Hofmann, Lorenz - Mons, Leon | 1.52 | 2026.04.03 Hofmann, Lorenz (12995509) (2093) | ½ | 92.50% | 1. d4 d5 2. Ng3 Nf6 3. c4 dxc4 | |
| 2025.12.10 | Round 1: Nisipeanu, Liviu-Dieter - Mons, Leon | 1.36 | 2025.12.10 Nisipeanu, Liviu-Dieter (1202758) (2582) | ½ | 94.30% | 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 | |
| 2025.12.02 | Round 5: Postny, Evgeny - Mons, Leon | 5.1 | 2025.12.02 Postny, Evgeny (2804344) (2546) | ½ | 97.60% | 1. d4 Nf6 2. c4 e6 3. g3 d5 | |
| 2025.12.02 | Round 4: Mons, Leon - Kozul, Zdenko | 4.1 | 2025.12.02 Kozul, Zdenko (14502879) (2500) | ½ | 96.40% | 1. Nf3 Nf6 2. c4 g6 3. b3 Bg7 | |
| 2025.12.02 | Round 3: Idani, Pouya - Mons, Leon | 3.1 | 2025.12.02 Idani, Pouya (12510130) (2611) | 0 | 88.50% | 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 | |
| 2025.12.02 | Round 2: Mons, Leon - Harshavardhan G B | 2.1 | 2025.12.02 Harshavardhan G B (25059009) (2477) | ½ | 92.90% | 1. Nf3 Nf6 2. c4 e6 3. b3 b6 | |
| 2025.11.16 | Round 11: Mons, Leon - Kueppers, Timo | 11.6 | 2025.11.16 Kueppers, Timo (16205820) (2197) | 1 | - | 1. f4 d5 2. c4 dxc4 | |
| 2025.11.16 | Round 9: Mons, Leon - Schnabel, Ralf | 9.7 | 2025.11.16 Schnabel, Ralf (4613040) (2143) | 1 | 90.70% | 1. e4 b6 2. Nc3 c5 3. f4 e6 | |
| 2025.11.15 | Round 8: Peyrer, Konstantin - Mons, Leon | 8.5 | 2025.11.15 Peyrer, Konstantin (1640879) (2475) | 0 | - | 1. f4 b5 2. b3 f5 | |
| 2025.11.15 | Round 7: Mons, Leon - Spiess, Gunter | 7.7 | 2025.11.15 Spiess, Gunter (4615000) (2329) | 1 | 95.40% | 1. c4 b6 2. b3 e6 | |
| 2025.11.15 | Round 6: Kluehs, Gustaf - Mons, Leon | 6.4 | 2025.11.15 Kluehs, Gustaf (16228936) | ½ | 83.60% | 1. g3 g6 2. c4 c5 3. Nc3 Nc6 | |
| 2025.11.15 | Round 5: Mons, Leon - Maier, Christian | 5.7 | 2025.11.15 Maier, Christian (4601955) (2209) | ½ | 96.90% | 1. d4 d5 2. Bf4 Bf5 3. c3 Bxb1 | |
| 2025.11.13 | Round 10: Tabatabaei, M. Amin - Mons, Leon | 10.1 | 2025.11.13 Tabatabaei, M. Amin (12521213) (2568) | 0 | 92.10% | 1. d4 d5 2. Nc3 e6 3. e4 dxe4 | |
| 2025.05.24 | Round 9: Schlegel, Igor - Mons, Leon | 9.1 | 2025.05.24 Schlegel, Igor (1334956) (2271) | ½ | 99.10% | 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 | |
| 2025.05.24 | Round 8: Mons, Leon - Oberhofer, Cedric | 8.1 | 2025.05.24 Oberhofer, Cedric (12941220) (2274) | ½ | - | 1. Nf3 Nf6 2. c4 c5 3. g3 g6 | |
| 2025.05.24 | Round 7: Heinemann, Josefine - Mons, Leon | 7.1 | 2025.05.24 Safarli, Josefine (12900460) (2321) | ½ | 98.20% | 1. e4 c5 2. Nf3 Nc6 3. Bb5 d6 | |
| 2025.05.24 | Round 6: Mons, Leon - Boehme, Sebastian | 6.1 | 2025.05.24 Boehme, Sebastian (16221788) (2279) | 1 | 96.30% | 1. Nf3 Nf6 2. c4 g6 3. Nc3 Bg7 | |
| 2025.05.24 | Round 5: Nestorovic, Nikola - Mons, Leon | 5.1 | 2025.05.24 Nestorovic, Nikola (934526) (2449) | ½ | 99.40% | 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 | |
| 2025.05.24 | Round 4: Mons, Leon - Miller, Eduard | 4.1 | 2025.05.24 Miller, Eduard (24687022) (2338) | 1 | 96.30% | 1. e4 c6 2. Nf3 d5 3. Nc3 dxe4 | |
| 2025.05.24 | Round 3: Platzgummer, Fabian - Mons, Leon | 3.1 | 2025.05.24 Platzgummer, Fabian (1617222) (2295) | 1 | 97.10% | 1. Nf3 d5 2. g3 c5 3. Bg2 g6 | |
| 2025.05.24 | Round 2: Mons, Leon - Atoyan, Alberto | 2.1 | 2025.05.24 Atoyan, Alberto (13314831) (2266) | 1 | 97.70% | 1. c4 e6 2. Nc3 d5 3. e3 Nf6 | |
| 2025.05.22 | Round 1: Bogdanov, Artyom - Mons, Leon | 1.1 | 2025.05.22 Bogdanov, Artyom (13749200) (2370) | ½ | 96.30% | 1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 | |
| 2025.04.06 | Round 11: Horvath, Dominik - Mons, Leon | 11.31 | 2025.04.06 Horvath, Dominik (1642561) (2543) | 0 | 81.00% | 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 | |
| 2025.04.05 | Round 10: Mons, Leon - Costa, Leonardo | 10.7 | 2025.04.05 Costa, Leonardo (16213955) (2510) | ½ | 96.70% | 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 | |
| 2025.04.04 | Round 9: Nguyen, Thai Dai Van - Mons, Leon | 9.25 | 2025.04.04 Nguyen, Thai Dai Van (358878) (2668) | 0 | 86.00% | 1. Nf3 d5 2. g3 Nf6 3. Bg2 e6 | |
| 2025.04.03 | Round 7: Dragnev, Valentin - Mons, Leon | 7.19 | 2025.04.03 Dragnev, Valentin (1634852) (2538) | ½ | 98.10% | 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 | |
| 2025.04.02 | Round 6: Mons, Leon - Vachier-Lagrave, Maxime | 6.19 | 2025.04.02 Vachier-Lagrave, Maxime (623539) (2722) | 0 | 84.30% | 1. e4 c5 2. d4 cxd4 3. Qxd4 Nc6 | |
| 2024.08.18 | Round 9: Mons, Leon - Kekelidze, Mikheil | 9.2 | 2024.08.18 Kekelidze, Mikheil (13600818) (2350) | ½ | 96.70% | 1. d4 d5 2. c4 e6 3. Nf3 Nf6 | |
| 2024.08.17 | Round 8: Baenziger, Fabian - Mons, Leon | 8.4 | 2024.08.17 Baenziger, Fabian (1330110) (2421) | ½ | 98.70% | 1. d4 Nf6 2. c4 e6 3. Nf3 d5 | |
| 2024.08.15 | Round 6: Costa, Leonardo - Mons, Leon | 6.3 | 2024.08.15 Costa, Leonardo (16213955) (2481) | 0 | 82.90% | 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 | |
| 2024.08.15 | Round 5: Mons, Leon - Maksimenko, Andrei | 5.4 | 2024.08.15 Maksimenko, Andrei (14100584) (2410) | ½ | 98.70% | 1. c4 e6 2. Nf3 d5 3. d4 Nf6 | |
| 2024.08.14 | Round 4: Braeuer, Franz - Mons, Leon | 4.2 | 2024.08.14 Braeuer, Franz (24634468) (2413) | ½ | 99.40% | 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 | |
| 2024.08.13 | Round 3: Mons, Leon - Eugene, Floryan | 3.5 | 2024.08.13 Eugene, Floryan (20694784) (2421) | ½ | 95.40% | 1. Nf3 f5 2. d3 Nc6 3. e4 e5 | |
| 2024.08.13 | Round 2: Buckels, Valentin - Mons, Leon | 2.1 | 2024.08.13 Buckels, Valentin (12942766) (2468) | ½ | 95.20% | 1. d4 Nf6 2. Nf3 e6 3. Bf4 c5 | |
| 2024.08.12 | Round 1: Krastev, Alexander - Mons, Leon | 1.5 | 2024.08.12 Krastev, Alexander (12989983) (2410) | ½ | 98.40% | 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 | |
| 2023.11.12 | Deutsche Schnellschach-Einzelmeisterschaft 2023 | 9.1 | 2023.11.12 Ehmann, Thilo (12940968) (2358) | ½ | 95.70% | 1. Nf3 c5 2. b3 d6 3. d4 cxd4 | |
| 2023.11.12 | Deutsche Schnellschach-Einzelmeisterschaft 2023 | 8.1 | 2023.11.12 Weber, Samuel (12924008) (2335) | ½ | 92.70% | 1. e4 e5 2. Nc3 Nf6 3. f4 d5 | |
| 2023.11.12 | Deutsche Schnellschach-Einzelmeisterschaft 2023 | 7.1 | 2023.11.12 Zelbel, Patrick (24624322) (2468) | ½ | 94.70% | 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 | |
| 2023.11.12 | Deutsche Schnellschach-Einzelmeisterschaft 2023 | 6.1 | 2023.11.12 Fridman, Daniel (2563) | 1 | 97.90% | 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 | |
| 2023.11.11 | Deutsche Schnellschach-Einzelmeisterschaft 2023 | 5.2 | 2023.11.11 Kuegel, Tobias (4636295) (2246) | 1 | 97.90% | 1. Nf3 d5 2. e3 c5 3. c4 e6 | |
| 2023.11.11 | Deutsche Schnellschach-Einzelmeisterschaft 2023 | 4.2 | 2023.11.11 Hess, Max (24656666) (2352) | ½ | 93.60% | 1. c4 e5 2. Nc3 d6 3. Nf3 f5 | |
| 2023.11.11 | Deutsche Schnellschach-Einzelmeisterschaft 2023 | 3.3 | 2023.11.11 Muckle, Julius (12942430) (2345) | 1 | 83.80% | 1. c4 c6 2. Nf3 d5 3. g3 Nf6 | |
| 2023.11.11 | Deutsche Schnellschach-Einzelmeisterschaft 2023 | 2.6 | 2023.11.11 Ochs, Daniel Elias (16226160) (2057) | 1 | 93.20% | 1. d4 Nf6 2. Nf3 b6 3. g3 Bb7 | |
| 2023.04.03 | Reykjavik Open 2023 | 8.15 | 2023.04.03 Fitzsimons, David (2501961) (2338) | ½ | 98.60% | 1. d4 Nf6 2. c4 e6 3. g3 d5 | |
| 2023.04.02 | Reykjavik Open 2023 | 7.3 | 2023.04.02 Yilmaz, Mustafa (2629) | 0 | 91.30% | 1. d4 Nf6 2. c4 e6 3. Nf3 d5 | |
| 2023.04.01 | Reykjavik Open 2023 | 6.11 | 2023.04.01 Adams, Henry (1859) | 1 | 97.40% | 1. Nf3 Nf6 2. g3 e6 3. Bg2 Be7 | |
| 2023.03.31 | Reykjavik Open | 4 | 2023.03.31 Tari, Aryan (1510045) (2649) | ½ | 97.30% | 1. d4 Nf6 2. c4 e6 3. Nf3 d5 | |
| 2023.03.30 | Reykjavik Open 2023 | 3.10 | 2023.03.30 Kushko, Dmitriy (14162261) (2379) | 1 | 93.90% | 1. Nf3 d5 2. g3 b6 3. Bg2 Bb7 | |
| 2023.03.30 | Reykjavik Open 2023 | 2.18 | 2023.03.30 Karthik, Rajaa (2302) | 1 | 96.80% | 1. Nf3 Nf6 2. g3 b5 3. Bg2 Bb7 | |
| 2023.03.29 | Reykjavik Open 2023 | 1.23 | 2023.03.29 Ornolfsson, Magnus P. (2301016) (2153) | 1 | 95.90% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| ????.??.?? | Deutsche Schnellschach-Einzelmeisterschaft 2023 | 1.2 | ????.??.?? Stein, Robert (12921084) (2275) | ½ | 93.20% | 1. Nf3 d5 2. e3 Nf6 3. c4 e6 | |
| ????.??.?? | Reykjavik Open 2023 | 9.15 | ????.??.?? Braun, Vitali (4684915) (2356) | 1 | 95.30% | 1. d4 Nf6 2. c4 b6 3. Nf3 Bb7 | |
| 2023.12.16 | Round 5: Amit Doshi Moksh - Leon Mons | 2023.12.16 Amit Doshi Moksh (2366) | ½ | 92.60% | 1. d4 Nf6 2. c4 e6 3. Nf3 d5 | ||
| 2023.12.15 | Round 4: Leon Mons - Xavier Mompel Ferruz | 2023.12.15 Xavier Mompel Ferruz (2224) | 1 | 94.90% | 1. Nf3 d5 2. g3 Nf6 3. Bg2 Bf5 | ||
| 2023.12.14 | Round 3: Francisco Fiorito - Leon Mons | 2023.12.14 Francisco Fiorito (2370) | 0 | 91.30% | 1. Nf3 c5 2. b3 d6 3. c4 e5 | ||
| 2023.12.13 | Round 2: Leon Mons - Zachary Dukic | 2023.12.13 Zachary Dukic (2266) | 1 | 96.70% | 1. d4 Nf6 2. Nf3 d5 3. c3 c5 | ||
| 2023.12.13 | Round 1: Filip Bjorkman - Leon Mons | 2023.12.13 Filip Bjorkman (2046) | 1 | 96.70% | 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 |