Player profile

Koellner, Aaron Noah

Standard: 2165 Rapid: 2079 Blitz: 2141 (last updated 2026-11-02)

FIDE ID: 12993085 (view FIDE profile)

Federation: GER Sex: M Birth Year: 2002 Age: 24

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

Games: 58 Wins: 19 (33%) Draws: 16 (28%) Losses: 22 (38%) Other: 1

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Dossier

57 of 58 games analyzed.

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Openings

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As White 18 games 3W 7D 8L

Queen's Pawn Game 11 games 3W 4D 4L

Colle System 7 games 3W 1D 3L

(unspecified) 5 games 3W 1D 1L

Anti-Colle 2 games 0W 0D 2L

Zukertort Variation 3 games 0W 2D 1L

(unspecified) 3 games 0W 2D 1L

(unspecified) 1 game 0W 1D 0L

Indian Defense 2 games 0W 1D 1L

Knights Variation 1 game 0W 0D 1L

(unspecified) 1 game 0W 0D 1L

(unspecified) 1 game 0W 1D 0L

Trompowsky Attack 2 games 0W 1D 1L

(unspecified) 2 games 0W 1D 1L

Torre Attack 1 game 0W 0D 1L

Classical Defense 1 game 0W 0D 1L

Nimzowitsch Variation 1 game 0W 0D 1L

Pseudo Queen's Indian Defense 1 game 0W 0D 1L

(unspecified) 1 game 0W 0D 1L

East Indian Defense 1 game 0W 1D 0L

(unspecified) 1 game 0W 1D 0L

As Black 14 games 7W 3D 4L

Sicilian Defense 5 games 2W 1D 2L

Richter-Rauzer Variation 2 games 0W 1D 1L

Neo-Modern Variation 2 games 0W 1D 1L

Closed 1 game 1W 0D 0L

(unspecified) 1 game 1W 0D 0L

Staunton-Cochrane Variation 1 game 1W 0D 0L

(unspecified) 1 game 1W 0D 0L

Modern Variations 1 game 0W 0D 1L

(unspecified) 1 game 0W 0D 1L

Queen's Pawn Game 3 games 3W 0D 0L

Colle System 1 game 1W 0D 0L

(unspecified) 1 game 1W 0D 0L

London System 1 game 1W 0D 0L

with e6 1 game 1W 0D 0L

Accelerated London System 1 game 1W 0D 0L

(unspecified) 1 game 1W 0D 0L

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

Exchange Variation 1 game 1W 0D 0L

Reshevsky Variation 1 game 1W 0D 0L

Chigorin Defense 1 game 0W 1D 0L

Main Line 1 game 0W 1D 0L

Scandinavian Defense 1 game 1W 0D 0L

Bronstein Variation 1 game 1W 0D 0L

(unspecified) 1 game 1W 0D 0L

Slav Defense 1 game 0W 0D 1L

Czech Variation 1 game 0W 0D 1L

Krause Attack 1 game 0W 0D 1L

Zukertort Opening 1 game 0W 0D 1L

(unspecified) 1 game 0W 0D 1L

Nimzo-Larsen Attack 1 game 0W 1D 0L

Symmetrical Variation 1 game 0W 1D 0L

(unspecified) 1 game 0W 1D 0L

Blunders Top 4 of 285

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

2023.05.29 · 21. Bg5 (−59.2% win chance) *

Krivenko, Dion

Koellner, Aaron Noah

Engine View game

2026.02.15 · 44... Bg6 (−44.1% win chance) 0-1

Koellner, Aaron Noah

Eberhart, Erik

Engine View game

2023.05.28 · 40... Qa2 (−38.7% win chance) 1/2-1/2

Koellner, Aaron Noah

Dobrosmyslov, Artem

Engine View game

2023.03.07 · 51. Kg3 (−38.2% win chance) 0-1

Arghyadip Das

Aaron Noah Koellner

Engine View game

View blunders & mistakes

Games Showing all 58 games

Date	Event	Round	Opponent	Result	Accuracy %	First moves
2026.08.20	Round 6: Koellner, Aaron Noah - Humer, Wolfgang	6.16	2026.08.20 Humer, Wolfgang (1600370) (2051)	0	85.70%	1. d4 Nf6 2. Nf3 e6 3. Bg5 h6
2026.08.18	Round 4: Koellner, Aaron Noah - Wu, Chenshan	4.12	2026.08.18 Wu, Chenshan (1681907) (2064)	0	89.60%	1. d4 Nf6 2. Nf3 e6 3. Nbd2 c5
2026.08.17	Round 3: Huber, Guenther - Koellner, Aaron Noah	3.18	2026.08.17 Huber, Guenther (1609165) (1973)	1	90.00%	1. d4 d5 2. Nf3 Nf6 3. e3 e6
2026.08.16	Round 2: Koellner, Aaron Noah - Szvetits, Rene	2.16	2026.08.16 Szvetits, Rene (1620282) (2032)	0	85.90%	1. d4 Nf6 2. Bg5 d5 3. e3 c5
2026.08.15	Round 1: Ertl, Taliesin - Koellner, Aaron Noah	1.17	2026.08.15 Ertl, Taliesin (1691252) (1942)	1	-	1. d4 d5 2. c4 e6 3. Nc3 Nf6
2026.06.07	Round 7: Koellner, Aaron Noah - Kanyamarala, Tarun	7.2	2026.06.07 Kanyamarala, Tarun (45004714) (2426)	0	83.80%	1. d4 d5 2. Nf3 Nf6 3. e3 Bf5
2026.06.06	Round 6: Koellner, Aaron Noah - Hentze, Jakob	6.11	2026.06.06 Hentze, Jakob (16249879) (1927)	1	96.40%	1. d4 d5 2. Nf3 Nf6 3. e3 c5
2026.06.06	Round 5: Konstantinowskij, Dimitrij - Koellner, Aaron Noah	5.13	2026.06.06 Konstantinowskij, Dimitrij (24682500) (1980)	1	96.70%	1. d4 d5 2. Nf3 Nf6 3. Bf4 e6
2026.06.05	Round 3: Majumdar, Rajit - Koellner, Aaron Noah	3.11	2026.06.05 Majumdar, Rajit (533017212) (2019)	½	84.50%	1. d4 d5 2. c4 Nc6 3. Nf3 Bg4
2026.06.04	Round 2: Koellner, Aaron Noah - Faulhaber, Tobias	2.15	2026.06.04 Faulhaber, Tobias (1271914) (1902)	1	95.80%	1. d4 d5 2. Nf3 Nf6 3. e3 c5
2026.06.04	Round 1: Gomilar, Gaetan - Koellner, Aaron Noah	1.18	2026.06.04 Gomilar, Gaetan (533042020) (1752)	1	94.60%	1. e4 a6 2. d4 d5 3. exd5 Qxd5
2026.05.25	Runde 7: Koellner, Aaron Noah - Poetsch, Hagen	7.3	2026.05.25 Poetsch, Hagen (24615137) (2466)	½	97.70%	1. d4 Nf6 2. Nd2 d5 3. Ngf3 Bf5
2026.04.05	Grenke Chess Festival 2026 Open	6.66	2026.04.05 Barria, Jose (1939300) (2373)	0	89.50%	1. e4 c5 2. Nf3 d6 3. d4 cxd4
2026.04.04	Grenke Chess Festival 2026 Open	5.69	2026.04.04 Papasimakopoulos, Alexandros (4244125) (2352)	½	91.70%	1. d4 d6 2. Nf3 f5 3. Nc3 Nf6
2026.02.17	5. Int. Baden-Badener Faschingsopen	9.3	2026.02.17 Poetsch, Hagen (24615137) (2433)	0	87.80%	1. d4 Nf6 2. Nf3 b6 3. e3 Bb7
2026.02.17	5. Int. Baden-Badener Faschingsopen	8.5	2026.02.17 Kurt, Sascha (1082647) (2275)	½	97.50%	1. e4 c5 2. Nf3 d6 3. d4 cxd4
2026.02.16	5. Int. Baden-Badener Faschingsopen	6.10	2026.02.16 Haugner, Jan (24655244) (2115)	1	96.10%	1. e4 c5 2. Nc3 Nc6 3. g3 g6
2026.02.15	5. Int. Baden-Badener Faschingsopen	5.2	2026.02.15 Schlosser, Philipp (4600169) (2459)	0	89.00%	1. d4 d5 2. Nf3 Nf6 3. e3 Bf5
2026.02.15	5. Int. Baden-Badener Faschingsopen	4.7	2026.02.15 Eberhart, Erik (16239970) (2044)	1	92.90%	1. e4 c5 2. c4 Nc6 3. Ne2 e5
2024.08.09	Round 7: Koellner, Aaron Noah - Nijboer, Friso	7.36	2024.08.09 Nijboer, Friso (1000063) (2466)	½	93.10%	1. d4 Nf6 2. Nf3 g6 3. Nbd2 Bg7
2024.08.05	Round 1: Cukrowski, Filip - Koellner, Aaron Noah	1.35	2024.08.05 Cukrowski, Filip (1171097) (2409)	0	87.00%	1. d4 d5 2. c4 c6 3. Nf3 Nf6
2024.08.04	Round 10: Tadic, Stefan - Koellner, Aaron Noah	10.32	2024.08.04 Tadic, Stefan (958980) (2329)	0	85.40%	1. Nf3 d5 2. e3 Nf6 3. c4 c6
2024.08.04	Round 9: Koellner, Aaron Noah - Stanciu, Alexandru-Ovidiu	9.29	2024.08.04 Stanciu, Alexandru-Ovidiu (1217674) (2327)	½	93.30%	1. d4 Nf6 2. Nf3 d5 3. e3 g6
2024.08.04	Round 8: Dragomirescu, Robin-Alexandru - Koellner, Aaron Noah	8.29	2024.08.04 Dragomirescu, Robin-Alexandru (1213849) (2337)	½	96.30%	1. b3 b6 2. Bb2 Bb7 3. c4 Nf6
2024.08.04	Round 5: Koellner, Aaron Noah - Salinas Herrera, Pablo	5.24	2024.08.04 Salinas Herrera, Pablo (3407128) (2424)	0	84.40%	1. d4 d5 2. Nf3 e6 3. e3 c5
2024.08.03	Round 2: Balog, Imre - Koellner, Aaron Noah	2.4	2024.08.03 dr. Balog, Imre (728446) (2633)	0	85.80%	1. e4 c5 2. Nf3 d6 3. b3 Nc6
2024.04.14	Oberliga W?rttemberg Schlussrunde 2024	9.28	2024.04.14 Stiepan, Hans-Michael (4683501) (2120)	½	95.80%	1. d4 e6 2. Nf3 Nf6 3. Nbd2 d5
2024.03.28	Grenke Chess Open 2024	1.37	2024.03.28 Gharibyan, Mamikon (13308300) (2493)	0	81.50%	1. d4 d5 2. Nf3 Nf6 3. e3 c5
2024.03.24	SK Schwäbisch Hall - SF Deizisau 2	8.3	2024.03.24 Velikic, Adela (913553) (2258)	1	93.00%	1. d4 d5 2. Nf3 e6 3. e3 Nf6
2024.02.18	SF Deizisau 2 - TG Biberach	6.4	2024.02.18 Birkenmaier, Rainer (4661117) (2107)	½	89.80%	1. d4 Nf6 2. Bg5 d5 3. e3 c6
2024.01.21	SF Pfullingen - SF Deizisau 2	5.5	2024.01.21 Guess, Cornel-Andreas (16277457) (1938)	½	89.80%	1. d4 d5 2. Nf3 e6 3. e3 Nf6
2023.12.10	SF Deizisau 2 - SC Böblingen	4.5	2023.12.10 Vujic, Branimir (14400723) (2227)	1	91.40%	1. d4 d5 2. Bf4 Nf6 3. e3 e6
2023.10.15	SF Deizisau 2 - Stuttgarter SF	2.4	2023.10.15 Strunski, Andreas (24606073) (2307)	0	86.70%	1. d4 d5 2. c4 c6 3. cxd5 cxd5
2023.09.17	SG Schwäbisch Gmünd - SF Deizisau 2	1.7	2023.09.17 Lang, Thomas (12982520) (2030)	½	87.80%	1. d4 Nf6 2. Nf3 g6 3. Nbd2 Bg7
2023.06.06	1st Munich Pfingst Open	9	2023.06.06 Tarhan, Adar (34544712) (2317)	½	92.50%	1. d4 d5 2. Nf3 Nf6 3. e3 c5
2023.06.05	1st Munich Pfingst Open	8	2023.06.05 Bracker, Frank (24614343) (2311)	1	91.70%	1. d4 Nf6 2. Bg5 e6 3. Nf3 c5
2023.06.02	1st Munich Pfingst Open	3	2023.06.02 Deepan Chakkravarthy J. (5011132) (2435)	0	88.20%	1. d4 d5 2. Nf3 Nf6 3. c3 e6
2023.05.30	2nd Laim Pfingst Open	9	2023.05.30 Tebelmann, Lars (24613983) (2022)	1	96.90%	1. d4 d5 2. Nf3 Nf6 3. e3 e6
2023.05.29	2nd Laim Pfingst Open	6	2023.05.29 Krivenko, Dion (4508378) (2100)	*	67.80%	1. d4 Nf6 2. Bg5 Ne4 3. Bf4 d6
2023.05.28	2nd Laim Pfingst Open	5	2023.05.28 Dobrosmyslov, Artem (24139521) (2288)	½	86.40%	1. d4 d6 2. Nf3 Nf6 3. c4 Nbd7
2023.05.27	2nd Laim Pfingst Open	2	2023.05.27 Souhardo Basak (35092910) (2400)	0	91.70%	1. d4 d5 2. Nf3 Nf6 3. e3 e6
2023.10.29	Round 9: Johannes Semling - Aaron Noah Koellner		2023.10.29 Johannes Semling (2027)	0	89.80%	1. e4 c5 2. Nf3 e6 3. d4 cxd4
2023.10.28	Round 8: Aaron Noah Koellner - Jonas Eilenberg		2023.10.28 Jonas Eilenberg (2324)	0	86.40%	1. d4 d5 2. Bg5 f6 3. Bh4 Nh6
2023.10.27	Round 7: Jakub Kusa - Aaron Noah Koellner		2023.10.27 Jakub Kusa (2351)	½	91.30%	1. d4 d5 2. Nf3 Nf6 3. g3 c6
2023.10.26	Round 6: Aaron Noah Koellner - Bozhena Piddubna		2023.10.26 Bozhena Piddubna (1962)	1	92.80%	1. d4 Nf6 2. Bg5 d5 3. e3 c6
2023.10.26	Round 5: Aaron Noah Koellner - Mikhail Gusev		2023.10.26 Mikhail Gusev (2012)	1	97.30%	1. d4 Nf6 2. Nf3 c5 3. e3 d5
2023.10.25	Round 4: Daniel Rose - Aaron Noah Koellner		2023.10.25 Daniel Rose (1865)	1	92.30%	1. d4 d6 2. c4 e5 3. Nc3 exd4
2023.10.24	Round 3: Jared William Moeller - Aaron Noah Koellner		2023.10.24 Jared William Moeller (2030)	½	93.50%	1. d4 d5 2. c4 Nc6 3. Nf3 Bg4
2023.10.24	Round 2: Aaron Noah Koellner - Paul Oliver Kranz		2023.10.24 Paul Oliver Kranz (2056)	0	82.00%	1. d4 Nf6 2. Bg5 c5 3. d5 Ne4
2023.10.23	Round 1: Arthur Herrmann - Aaron Noah KÃ¶llner		2023.10.23 Arthur Herrmann (1930)	0	79.70%	1. e4 c5 2. Nf3 e6 3. d4 cxd4
2023.03.12	Round 9: Karl-Emil Elmer Nielsen-Refs - Aaron Noah Koellner		2023.03.12 Karl-Emil Elmer Nielsen-Refs	1	94.80%	1. d4 d6 2. e4 Nf6 3. Nc3 e5
2023.03.11	Round 8: Aaron Noah Koellner - Ruben Gideon Koellner		2023.03.11 Ruben Gideon Koellner	0	83.20%	1. Nf3 d5 2. e3 Nd7 3. c4 e6
2023.03.10	Round 7: Dennis Martin - Aaron Noah Koellner		2023.03.10 Dennis Martin	1	95.50%	1. d4 d6 2. c4 e5 3. dxe5 dxe5
2023.03.09	Round 6: Aaron Noah Koellner - Ahmad Siar Wahedi		2023.03.09 Ahmad Siar Wahedi	0	77.00%	1. d4 d6 2. Nf3 h6 3. e4 g5
2023.03.08	Round 5: Johanna Ehmann - Aaron Noah Koellner		2023.03.08 Johanna Ehmann	½	87.10%	1. e4 c5 2. Nf3 e6 3. d4 cxd4
2023.03.07	Round 4: Aaron Noah Koellner - Arghyadip Das		2023.03.07 Arghyadip Das	0	81.40%	1. d4 f5 2. Bg5 g6 3. h4 Bg7
2023.03.06	Round 3: Bommini Mounika Akshaya - Aaron Noah Koellner		2023.03.06 Bommini Mounika Akshaya (25019872)	1	98.10%	1. d4 d5 2. c4 c6 3. Nf3 Nf6
2023.03.05	Round 1: Aaron Noah Koellner - Martin, Dr. Launert		2023.03.05 Martin, Dr. Launert	1	96.50%	1. d4 d5 2. Nf3 Nf6 3. e3 c5