Player profile
Orndahl, Mats
Dossier
12 of 15 games analyzed.
Accuracy: 84.1%
Opened d4: 6/6
Castled kingside: 8Same-side castling: 7Opposite-side castling: 3Did not castle: 2Castled queenside: 2
Played on the kingside: 5Played in the center: 5Fianchettoed queenside: 3Played on the queenside: 1
Space advantage: 8Initiated exchanges: 7Active pieces: 6Isolated pawn: 5Sacrificed material: 5Backward pawn: 5Kept the bishop pair: 3Avoided exchanges: 2Missed tactics: 1
Openings
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As White 7 games 1W 1D 5L
Queen's Pawn Game 4 games 0W 1D 3L
London System 3 games 0W 1D 2L
(unspecified)
3 games
0W
1D
2L
Accelerated London System 1 game 0W 0D 1L
Steinitz Countergambit
1 game
0W
0D
1L
London System 2 games 0W 0D 2L
(unspecified) 2 games 0W 0D 2L
(unspecified)
2 games
0W
0D
2L
Indian Defense 1 game 1W 0D 0L
Accelerated London System 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
As Black 7 games 3W 1D 3L
French Defense 4 games 2W 0D 2L
Tarrasch Variation 2 games 1W 0D 1L
Guimard Defense
1 game
1W
0D
0L
Guimard Defense, Main Line
1 game
0W
0D
1L
Winawer Variation 1 game 0W 0D 1L
Alekhine Gambit Accepted
1 game
0W
0D
1L
Exchange Variation 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Slav Defense 2 games 1W 0D 1L
Two Knights Attack 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Exchange Variation 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Réti Opening 1 game 0W 1D 0L
Anglo-Slav Variation 1 game 0W 1D 0L
with g3
1 game
0W
1D
0L
Blunders Top 4 of 69
This player's costliest moves in analyzed games. Can you find the winning move?
Games Showing all 15 games
| Date | Event | Round | Color | Opponent | Result | Accuracy % | First moves |
|---|---|---|---|---|---|---|---|
| 2026.10.04 | Round 9: Orndahl, Mats - Wernberg, Hugo | 9.7 | 2026.10.04 Wernberg, Hugo (1737511) (2197) | 0 | 88.10% | 1. d4 Nf6 2. Bf4 g6 3. Nf3 Bg7 | |
| 2026.10.03 | Round 5: Johansson, Ulf 1966 - Orndahl, Mats | 5.11 | 2026.10.03 Johansson, Ulf 1966 (1701380) (2085) | 0 | 59.80% | 1. e4 e6 2. d4 d5 3. Nc3 Bb4 | |
| 2026.09.28 | Round 2: Orndahl, Mats - Seo, Jung Min | 2.1 | 2026.09.28 Seo, Jung Min (1734687) (2553) | 0 | 83.70% | 1. d4 Nf6 2. Bf4 g6 3. Nf3 Bg7 | |
| 2025.11.01 | Round 11: Szatmary, Alex - Orndahl, Mats | 11.81 | 2025.11.01 Szatmary, Alex (2663333) (1682) | 1 | 97.40% | 1. e4 e6 2. d4 d5 3. Nd2 Nc6 | |
| 2025.10.31 | Round 10: Bottini, Paolo - Orndahl, Mats | 10.66 | 2025.10.31 Bottini, Paolo (814725) (1920) | 0 | 81.90% | 1. e4 e6 2. d4 d5 3. Nd2 Nc6 | |
| 2025.10.30 | Round 9: Orndahl, Mats - Rhine, Frederick | 9.52 | 2025.10.30 Rhine, Frederick (2097737) (1972) | 0 | 89.00% | 1. d4 d5 2. Bf4 c5 3. e3 Nc6 | |
| 2025.10.29 | Round 8: Frisen, Hakan - Orndahl, Mats | 8.69 | 2025.10.29 Frisen, Hakan (1724061) (1919) | 1 | 82.50% | 1. d4 d5 2. c4 c6 3. Nf3 Nf6 | |
| 2025.10.28 | Round 7: Orndahl, Mats - Fradkin, Benjamin | 7.68 | 2025.10.28 Fradkin, Benjamin (2625334) (1735) | ½ | 81.60% | 1. d4 Nf6 2. Bf4 d5 3. e3 c5 | |
| 2025.10.26 | Round 6: Moise, Octavian-Mirel - Orndahl, Mats | 6.49 | 2025.10.26 Moise, Octavian-Mirel (1204556) (1957) | 0 | - | 1. d4 d5 2. c4 c6 3. cxd5 cxd5 | |
| 2025.10.25 | Round 5: Orndahl, Mats - Baasanjav, Mijid | 5.33 | 2025.10.25 Baasanjav, Mijid (4903064) (1996) | 0 | 64.70% | 1. d4 d5 2. Bf4 Nf6 3. e3 e6 | |
| 2025.10.24 | Round 4: Resika, Nathan - Orndahl, Mats | 4.36 | 2025.10.24 Resika, Nathan (2008343) (1978) | ½ | 93.30% | 1. c4 c6 2. Nf3 Nf6 3. g3 d5 | |
| 2025.10.23 | Round 3: Orndahl, Mats - Povah, Nigel E | 3.12 | 2025.10.23 Povah, Nigel E (400467) (2230) | 0 | - | 1. d4 Nf6 2. Bf4 d5 3. e3 c5 | |
| 2025.10.22 | Round 2: Sedile, Giovanni Leonardo - Orndahl, Mats | 2.47 | 2025.10.22 Sedile, Giovanni Leonardo (871885) | 1 | 96.60% | 1. e4 e6 2. Nf3 d5 3. exd5 exd5 | |
| 2025.10.21 | Round 1: Orndahl, Mats - Foucaut, Vincent | 1.58 | 2025.10.21 Foucaut, Vincent (664189) (1882) | 1 | 90.60% | 1. d4 Nf6 2. Bf4 d5 3. e3 g6 | |
| Avenyn Open 2025 | 7.17 | Morell, Ludvig (1736779) (1962) | 0 | - | 1. e4 e6 2. d4 d5 3. exd5 exd5 |