Player profile
Dehn, Marcus
Dossier
21 of 21 games analyzed.
Accuracy: 88.4%
Opened d4: 10/10
Castled kingside: 17Same-side castling: 13Did not castle: 3Opposite-side castling: 2Castled queenside: 1
Fianchettoed kingside: 13Played on the queenside: 7Fianchettoed queenside: 6Played in the center: 5Played on the kingside: 5
Active pieces: 15Kept the bishop pair: 12Initiated exchanges: 12Space advantage: 10Missed tactics: 10Sacrificed material: 10Backward pawn: 10Isolated pawn: 6Avoided exchanges: 6
Openings
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As White 10 games 6W 2D 2L
Queen's Pawn Game 6 games 4W 0D 2L
(unspecified) 4 games 3W 0D 1L
(unspecified)
4 games
3W
0D
1L
Symmetrical Variation 2 games 1W 0D 1L
Pseudo-Catalan
2 games
1W
0D
1L
Marienbad System 1 game 0W 1D 0L
(unspecified) 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
Indian Defense 1 game 1W 0D 0L
Accelerated London System 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Slav Defense 1 game 0W 1D 0L
Quiet Variation 1 game 0W 1D 0L
Schallopp Defense
1 game
0W
1D
0L
As Black 11 games 6W 0D 5L
Zukertort Opening 2 games 2W 0D 0L
Old Indian Attack 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Pirc Invitation 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Pirc Defense 2 games 1W 0D 1L
(unspecified) 2 games 1W 0D 1L
(unspecified)
2 games
1W
0D
1L
Queen's Indian Defense 2 games 1W 0D 1L
Classical Variation 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Kasparov-Petrosian Variation 1 game 1W 0D 0L
Marco Defense
1 game
1W
0D
0L
Queen's Pawn Game 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Scandinavian Defense 1 game 0W 0D 1L
Valencian Variation 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Bogo-Indian Defense 1 game 1W 0D 0L
Nimzowitsch Variation 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Nimzo-Larsen Attack 1 game 1W 0D 0L
Indian Variation 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Nimzo-Indian Defense 1 game 0W 0D 1L
Normal Variation 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Blunders Top 4 of 92
This player's costliest moves in analyzed games. Can you find the winning move?
Games Showing all 21 games
| Date | Event | Round | Color | Opponent | Result | Accuracy % | First moves |
|---|---|---|---|---|---|---|---|
| 2026.10.18 | Round 7: Doescher, Thorsten - Dehn, Marcus | 7.9 | 2026.10.18 Doescher, Thorsten (24658286) (2064) | 1 | 92.90% | 1. Nf3 d5 2. d3 Nf6 3. c4 dxc4 | |
| 2026.10.17 | Round 6: Dehn, Marcus - Subenko, Alexander | 6.13 | 2026.10.17 Subenko, Alexander (533017077) (1739) | 1 | 79.80% | 1. d4 d5 2. g3 Nf6 3. Bg2 e6 | |
| 2026.10.17 | Round 5: Holtwessels, Jan - Dehn, Marcus | 5.8 | 2026.10.17 Holtwessels, Jan (34639560) (2137) | 0 | 80.20% | 1. e4 d6 2. d4 Nf6 3. Nc3 e5 | |
| 2026.10.16 | Round 4: Dehn, Marcus - Wendt, Felix | 4.14 | 2026.10.16 Wendt, Felix (34663592) (1870) | 1 | 87.20% | 1. d4 d5 2. Nf3 Nf6 3. g3 c5 | |
| 2026.10.16 | Round 3: Voege, Tobias - Dehn, Marcus | 3.5 | 2026.10.16 Voege, Tobias (1270513) (2313) | 0 | 84.30% | 1. c4 Nf6 2. Nf3 e6 3. g3 b6 | |
| 2026.10.15 | Round 2: Dehn, Marcus - Spiric, Igor | 2.6 | 2026.10.15 Spiric, Igor (916609) (2217) | ½ | 77.70% | 1. d4 Nf6 2. Nf3 b6 3. g3 Bb7 | |
| 2026.10.15 | Round 1: Hoppe, Benedikt - Dehn, Marcus | 1.19 | 2026.10.15 Hoppe, Benedikt (533088489) (1861) | 1 | 89.70% | 1. d4 Nf6 2. c4 e6 3. Nf3 b6 | |
| 2026.05.17 | Runde 7: Dehn, Marcus - Schoenrock, Elia | 7.14 | 2026.05.17 Schoenrock, Elia (533051208) (1908) | 1 | 93.60% | 1. d4 d5 2. g3 Nf6 3. Bg2 Bf5 | |
| 2026.05.16 | Runde 6: Grabowski, Joshua - Dehn, Marcus | 6.18 | 2026.05.16 Grabowski, Joshua (34678344) (1712) | 1 | 89.90% | 1. Nf3 d6 2. b3 Bg4 3. Bb2 Nf6 | |
| 2026.05.16 | Runde 5: Dehn, Marcus - Uz, Kaan | 5.26 | 2026.05.16 Uz, Kaan (533056439) (1695) | 1 | 94.70% | 1. d4 d5 2. g3 Nf6 3. Bg2 Bf5 | |
| 2026.05.15 | Runde 4: Dehn, Marcus - Brandt, Volker | 4.3 | 2026.05.15 Brandt, Volker (1270487) (1658) | 1 | 93.20% | 1. d4 e6 2. g3 c6 3. Bg2 h5 | |
| 2026.05.15 | Runde 3: Krain, Rafael - Dehn, Marcus | 3.22 | 2026.05.15 Krain, Rafael (12988766) (1746) | 0 | 81.80% | 1. d4 d6 2. Bf4 g6 3. Nf3 Bg7 | |
| 2026.05.14 | Runde 2: Dehn, Marcus - Grimm, Jakob | 2.17 | 2026.05.14 Grimm, Jakob (34635645) (1790) | 0 | 82.50% | 1. d4 d5 2. Nf3 Nf6 3. g3 e6 | |
| 2026.05.14 | Round 1: Gerdts, Martina - Dehn, Marcus | 1.18 | 2026.05.14 Gerdts, Martina (12930628) (1694) | 1 | 93.70% | 1. d4 d6 2. e4 g6 3. Nf3 Bg7 | |
| 2024.12.31 | Round 9: Glek, Igor - Dehn, Marcus | 9.4 | 2024.12.31 Glek, Igor (4100484) (2431) | 0 | 87.70% | 1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd8 | |
| 2024.12.30 | Round 8: Dehn, Marcus - Buergener, Richard | 8.8 | 2024.12.30 Buergener, Richard (16268768) (1857) | 1 | 90.60% | 1. d4 Nf6 2. Bf4 d5 3. e3 e6 | |
| 2024.12.30 | Round 7: Nyenhuis, Yannek - Dehn, Marcus | 7.9 | 2024.12.30 Nyenhuis, Yannek (16231538) (1943) | 1 | 92.80% | 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ | |
| 2024.12.29 | Round 6: Dehn, Marcus - Stelmaszyk, Nico | 6.5 | 2024.12.29 Stelmaszyk, Nico (16200462) (2403) | 0 | 85.50% | 1. d4 d5 2. g3 Nf6 3. Bg2 Bf5 | |
| 2024.12.29 | Round 5: Sayas Payyappat - Dehn, Marcus | 5.9 | 2024.12.29 Sayas Payyappat (25659260) (1823) | 1 | 96.30% | 1. b3 Nf6 2. Bb2 d6 3. Nf3 g6 | |
| 2024.12.28 | Round 4: Dehn, Marcus - Wilk, Clemens | 4.7 | 2024.12.28 Wilk, Clemens (34604740) (1869) | ½ | 94.20% | 1. d4 d5 2. Nf3 Nf6 3. e3 Bf5 | |
| 2024.12.28 | Round 3: Stopa, Jacek - Dehn, Marcus | 3.5 | 2024.12.28 Stopa, Jacek (1119591) (2323) | 0 | 88.90% | 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 |