Player profile

Van Dael, Siem

Standard: 2337 Rapid: 2233 Blitz: 2236 (last updated 2026-11-02)

FIDE ID: 1049771 (view FIDE profile)

Federation: NED Sex: M Birth Year: 2004 Age: 22

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

Games: 85 Wins: 37 (44%) Draws: 16 (19%) Losses: 31 (36%) Other: 1

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Dossier

81 of 85 games analyzed.

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Openings

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As White 18 games 6W 4D 8L

Sicilian Defense 10 games 3W 2D 5L

Najdorf Variation 4 games 1W 0D 3L

English Attack 4 games 1W 0D 3L

Alapin Variation 4 games 1W 2D 1L

(unspecified) 3 games 0W 2D 1L

Barmen Defense 1 game 1W 0D 0L

Taimanov Variation 1 game 0W 0D 1L

Bastrikov Variation, English Attack 1 game 0W 0D 1L

Kalashnikov Variation 1 game 1W 0D 0L

(unspecified) 1 game 1W 0D 0L

Caro-Kann Defense 3 games 1W 2D 0L

Tartakower Variation 3 games 1W 2D 0L

(unspecified) 3 games 1W 2D 0L

French Defense 2 games 2W 0D 0L

Classical Variation 2 games 2W 0D 0L

Burn Variation, Morozevich Line 2 games 2W 0D 0L

Scandinavian Defense 1 game 0W 0D 1L

Gubinsky-Melts Defense 1 game 0W 0D 1L

(unspecified) 1 game 0W 0D 1L

Philidor Defense 1 game 0W 0D 1L

Lion Variation 1 game 0W 0D 1L

(unspecified) 1 game 0W 0D 1L

Kádas Opening 1 game 0W 0D 1L

(unspecified) 1 game 0W 0D 1L

As Black 21 games 8W 3D 9L

Sicilian Defense 7 games 2W 1D 4L

Najdorf Variation 2 games 0W 1D 1L

Adams Attack 1 game 0W 0D 1L

Amsterdam Variation 1 game 0W 1D 0L

Moscow Variation 2 games 0W 0D 2L

Main Line 2 games 0W 0D 2L

Lasker-Pelikan Variation 2 games 1W 0D 1L

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

(unspecified) 1 game 0W 0D 1L

Scheveningen Variation 1 game 1W 0D 0L

Classical Variation 1 game 1W 0D 0L

King's Indian Defense 5 games 2W 1D 2L

Normal Variation 2 games 1W 0D 1L

Standard Development 1 game 0W 0D 1L

Rare Defenses 1 game 1W 0D 0L

Orthodox Variation 2 games 0W 1D 1L

Gligoric-Taimanov System 1 game 0W 0D 1L

(unspecified) 1 game 0W 1D 0L

Semi-Averbakh System 1 game 1W 0D 0L

(unspecified) 1 game 1W 0D 0L

King's Indian Attack 2 games 2W 0D 0L

Symmetrical Defense 2 games 2W 0D 0L

(unspecified) 2 games 2W 0D 0L

Italian Game 1 game 0W 0D 1L

Two Knights Defense 1 game 0W 0D 1L

Steinitz Variation 1 game 0W 0D 1L

English Opening 1 game 0W 0D 0L

Agincourt Defense 1 game 0W 0D 0L

(unspecified) 1 game 0W 0D 0L

Benoni Defense 1 game 1W 0D 0L

King's Pawn Line 1 game 1W 0D 0L

with Nge2 1 game 1W 0D 0L

Barnes Defense 1 game 0W 0D 1L

(unspecified) 1 game 0W 0D 1L

Queen's Gambit Accepted 1 game 0W 1D 0L

Classical Defense 1 game 0W 1D 0L

Main Line 1 game 0W 1D 0L

French Defense 1 game 1W 0D 0L

Winawer Variation 1 game 1W 0D 0L

Advance Variation, with h4 1 game 1W 0D 0L

Ruy Lopez 1 game 0W 0D 1L

Morphy Defense 1 game 0W 0D 1L

Modern Steinitz Defense 1 game 0W 0D 1L

Blunders Top 4 of 358

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

2026.03.28 · 38... Rf8 (−56.6% win chance) 0-1

Van Dael, Siem

Kokje, Joris

Engine View game

2023.03.17 · 42. a7 (−56.1% win chance) 0-1

Strikovic, Aleksa

Van Dael, Siem

Engine View game

2024.02.10 · 27. Rd7 (−49.8% win chance) 1/2-1/2

Richard A Bates

Siem Van Dael

Engine View game

2023.08.27 · 9. Qxg6 (−46.6% win chance) 1-0

Helbig, Mark

Van Dael, Siem

Engine View game

View blunders & mistakes

Games Showing all 85 games

Date	Event	Round	Opponent	Result	Accuracy %	First moves
øøøø.øø.øø	new tournament description	9.38	øøøø.øø.øø Hoffmann, Sebastian (12954535) (2189)	0	86.60%	1. d4 Nf6 2. c4 g6 3. Nc3 Bg7
øøøø.øø.øø	new tournament description	8.51	øøøø.øø.øø Szakolczai, Peter (705624) (2155)	½	77.40%	1. e4 c5 2. c3 g6 3. d4 cxd4
øøøø.øø.øø	Grenke Open	7.30	øøøø.øø.øø Wiechert, Hans (4643410) (2167)	1	96.00%	1. d4 Nf6 2. Nf3 g6 3. b4 a5
2026.10.31	Round 3: L'Ami, Erwin - Van Dael, Siem	3.1	2026.10.31 L'Ami, Erwin (1007998) (2579)	0	87.40%	1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6
2026.10.06	Meesterklasse 2026-2027	2.9	2026.10.06 Van Dam, Niels (1012762) (2081)	½	-	1. e4 c6 2. d4 d5 3. Nd2 dxe4
2026.10.03	Round 2: Van Dael, Siem - Van Dam, Niels	1.7	2026.10.03 Van Dam, Niels (1012762) (2081)	½	-	1. e4 c6 2. d4 d5 3. Nd2 dxe4
2026.09.19	Round 1: Breukelman, Jan - Van Dael, Siem	1.7	2026.09.19 Breukelman, Jan (1015583) (2403)	1	87.30%	1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7
2026.05.17	Round 5: Van Dael, Siem - Milanovic, Danilo	5.19	2026.05.17 Milanovic, Danilo (915483) (2439)	0	84.30%	1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd6
2026.05.15	Round 9: Van Dael, Siem - Kadric, Denis	9.20	2026.05.15 Kadric, Denis (14403803) (2497)	0	90.40%	1. e4 d6 2. d4 Nf6 3. Nc3 e5
2026.05.15	Round 2: Van Dael, Siem - Santos Latasa, Jaime	2.9	2026.05.15 Santos Latasa, Jaime (2293307) (2600)	0	86.80%	1. e4 c5 2. Nf3 d6 3. d4 cxd4
2026.05.14	Round 5: Henriquez Villagra, Cristobal - Van Dael, Siem	5.19	2026.05.14 Henriquez Villagra, Cristobal (3409350) (2605)	0	84.60%	1. e4 c5 2. Nf3 d6 3. d4 cxd4
2026.05.14	Round 3: Subelj, Jan - Van Dael, Siem	3.19	2026.05.14 Subelj, Jan (14618583) (2536)	0	92.80%	1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7
2026.04.11	Round 9: Vrolijk, Liam - Van Dael, Siem	1.6	2026.04.11 Vrolijk, Liam (1048333) (2529)	0	89.60%	1. d4 Nf6 2. c4 g6 3. Nc3 Bg7
2026.04.06	Grenke Chess Festival 2026 Open	9.16	2026.04.06 Pajeken, Jakob Leon (12942839) (2452)	*	-	1. c4 e6 2. g3 d5 3. Bg2 d4
2026.04.06	Grenke Chess Festival 2026 Open	8.57	2026.04.06 Karacsonyi, Kata (769584) (2134)	1	98.30%	1. e4 c5 2. c3 d5 3. exd5 Qxd5
2026.04.05	Grenke Chess Festival 2026 Open	7.73	2026.04.05 Dobrosmyslov, Artem (24139521) (2221)	1	93.40%	1. d4 Nf6 2. c4 g6 3. Nc3 Bg7
2026.04.05	Grenke Chess Festival 2026 Open	6.14	2026.04.05 Zeng, Chongsheng (8603847) (2546)	0	76.50%	1. e4 c5 2. Nf3 e6 3. d4 cxd4
2026.04.04	Grenke Chess Festival 2026 Open	5.9	2026.04.04 Beerdsen, Thomas (1030108) (2524)	½	91.50%	1. e4 c5 2. Nf3 d6 3. d4 cxd4
2026.04.04	Grenke Chess Festival 2026 Open	4.75	2026.04.04 Fuchs, Dominik (1270260) (2004)	1	90.00%	1. e4 e6 2. d4 d5 3. Nc3 Nf6
2026.03.28	Round 6: Kokje, Joris - Van Dael, Siem	6.2	2026.03.28 Kokje, Joris (1051024) (2269)	1	81.20%	1. d4 Nf6 2. c4 g6 3. f3 Bg7
2026.03.07	Round 8: Van Dael, Siem - Van Rootselaar, Rik	8.7	2026.03.07 Van Rootselaar, Rik (1088572) (2211)	1	94.30%	1. e4 c5 2. Nf3 Nc6 3. d4 cxd4
2026.02.07	Round 7: Ritzerveld, Noah - Van Dael, Siem	7.1	2026.02.07 Ritzerveld, Noah (1085760) (2236)	1	96.60%	1. e4 c5 2. Nf3 d6 3. d4 cxd4
2025.11.22	Round 4: Rijnaarts, Sjef - Van Dael, Siem	4.10	2025.11.22 Rijnaarts, Sjef (1014870) (2270)	1	94.10%	1. e4 c5 2. Nf3 Nc6 3. d4 cxd4
2025.10.04	Round 2: Heemskerk, Wim - Van Dael, Siem	1.6	2025.10.04 Heemskerk, Wim (1001000) (2167)	1	91.90%	1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7
2025.05.13	KNSB Meesterklasse 2024-2025	9.7	2025.05.13 Labruyere, Roger (1059505) (2290)	½	-	1. e4 c5 2. c3 Nf6 3. e5 Nd5
2025.04.05	Round 8: Van der Werf, Mark - Van Dael, Siem	8.3	2025.04.05 Van der Werf, Mark (1000470) (2388)	0	90.20%	1. d4 Nf6 2. c4 g6 3. Nc3 Bg7
2025.03.08	Round 7: Van Dael, Siem - Pham, Khoi	7.5	2025.03.08 Pham, Khoi (1054988) (2386)	0	90.70%	1. e4 c5 2. Nf3 d6 3. d4 cxd4
2024.12.14	Round 5: Dreelinck, Adriaan - Van Dael, Siem	5.2	2024.12.14 Dreelinck, Adriaan (250503) (2213)	1	95.70%	1. d4 Nf6 2. c4 g6 3. Nc3 Bg7
2024.11.23	KNSB Meesterklasse 2024-2025	4.9	2024.11.23 Lommers, Frank (1010107) (2214)	0	88.80%	1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7
2024.11.09	Round 3: Van Dael, Siem - Beerdsen, Thomas	3.5	2024.11.09 Beerdsen, Thomas (1030108) (2508)	1	91.70%	1. e4 c6 2. d4 d5 3. Nd2 dxe4
2024.11.02	Round 9: Govoreanu, Matei - Van Dael, Siem	9.16	2024.11.02 Govoreanu, Matei (258059) (2147)	0	87.10%	1. e4 f6 2. d4 g6 3. Nc3 Nh6
2024.11.01	Round 8: Van Dael, Siem - Markuszewski, Maksymilian	8.22	2024.11.01 Markuszewski, Maksymilian (651018306) (2110)	1	87.80%	1. e4 c5 2. Nf3 d6 3. d4 cxd4
2024.10.31	Round 7: Vaupot, Luka - Van Dael, Siem	7.20	2024.10.31 Vaupot, Luka (14627671) (2140)	½	96.10%	1. d4 d5 2. c4 dxc4 3. e3 Nf6
2024.10.30	Round 6: Van Dael, Siem - Kukushkin, Ivan	6.13	2024.10.30 Kukushkin, Ivan (11634103) (2084)	0	77.10%	1. h4 d5 2. b3 e5 3. Bb2 Bd6
2024.10.30	Round 5: Madularea, David - Van Dael, Siem	5.9	2024.10.30 Madularea, David (1070215) (2151)	0	89.10%	1. e4 c5 2. Nf3 Nc6 3. d4 cxd4
2024.10.29	Round 4: Van Dael, Siem - Yasmo, Daniil	4.13	2024.10.29 Yasmo, Daniil (14199165) (2156)	1	94.70%	1. e4 e6 2. d4 d5 3. Nc3 Nf6
2024.10.28	Round 3: Verheij, Dana - Van Dael, Siem	3.23	2024.10.28 Verheij, Dana (1063790) (1972)	1	93.60%	1. e4 e6 2. d4 d5 3. Nc3 Bb4
2024.10.27	Round 2: Van Dael, Siem - Bruggink, Tycho	2.18	2024.10.27 Bruggink, Tycho (1050028) (1992)	0	91.80%	1. e4 c5 2. Nf3 d6 3. d4 cxd4
2024.10.12	Round 2: De Winter, Arthur - Van Dael, Siem	2.1	2024.10.12 De Winter, Arthur (1069020) (2435)	0	89.80%	1. e4 e5 2. Nf3 Nc6 3. Bb5 a6
2024.03.17	Round 8: Chow, Samuel - Van Dael, Siem		2024.03.17 Chow, Samuel (3202992) (2356)	½	93.70%	1. d4 Nf6 2. c4 g6 3. Nc3 Bg7
2024.03.16	Round 7: Van Dael, Siem - Khoury, Theo		2024.03.16 Khoury, Theo (480703) (2113)	0	89.80%	1. e4 c5 2. c3 Nf6 3. e5 Nd5
2023.10.28	Hoogeveen Open 2023	9.3	2023.10.28 Van Foreest, Machteld (1051563) (2266)	1	93.00%	1. e4 c5 2. Nf3 e6 3. d4 cxd4
2023.10.27	Hoogeveen Open 2023	8.2	2023.10.27 Zwirs, Nico (1036432) (2451)	½	98.60%	1. e4 c5 2. Nc3 d6 3. Bb5+ Bd7
2023.10.26	Hoogeveen Open 2023	7.5	2023.10.26 De Boer, Eelke (1048120) (2327)	1	92.00%	1. e4 e6 2. d4 d5 3. Nc3 Nf6
2023.10.25	Hoogeveen Open 2023	6.3	2023.10.25 De Winter, Arthur (1069020) (2397)	½	95.40%	1. e4 c5 2. Nf3 d6 3. d4 cxd4
2023.10.25	Hoogeveen Open 2023	5.6	2023.10.25 Swati Ghate (5003474) (1995)	1	92.20%	1. e4 c5 2. c3 Nf6 3. e5 Nd5
2023.10.24	Hoogeveen Open 2023	4.6	2023.10.24 Labruyere, Roger (1059505) (2148)	1	94.60%	1. e4 c6 2. d4 d5 3. e5 Bf5
2023.10.23	Hoogeveen Open 2023	3.3	2023.10.23 Lodici, Lorenzo (884189) (2537)	0	79.70%	1. e4 c5 2. Nf3 d6 3. d4 cxd4
2023.10.21	Hoogeveen Open 2023	1.11	2023.10.21 Hoffman, Ron (1007599) (2032)	1	88.50%	1. e4 c6 2. d4 d5 3. e5 c5
2023.10.01	European Chess Club Cup 2023	1.15	2023.10.01 Nguyen, Thai Dai Van (358878) (2606)	0	87.70%	1. e4 c5 2. Nf3 d6 3. d4 cxd4
2023.08.28	WRTC	12.19	2023.08.28 Adly, Ahmed (10601619) (2557)	½	87.40%	1. e4 c5 2. Nf3 Nf6 3. Nc3 Nc6
2023.08.28	WRTC	11.55	2023.08.28 Kraus, Sebastian (24690260) (1904)	1	94.00%	1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7
2023.08.28	WRTC	10.25	2023.08.28 Yelisieiev, Yevhenii (14139642) (2320)	0	87.90%	1. d4 Nf6 2. Nf3 g6 3. g3 Bg7
2023.08.28	WRTC	9.13	2023.08.28 Zuferi, Enis (24692530) (2296)	1	96.40%	1. e4 c5 2. Nf3 d6 3. d4 cxd4
2023.08.27	WRTC	8.25	2023.08.27 Helbig, Mark (4675622) (2307)	1	80.10%	1. e4 c6 2. d4 d5 3. e5 c5
2023.08.27	WRTC	7.37	2023.08.27 Haasler, Andreas (4658906) (2211)	0	88.90%	1. Nf3 Nf6 2. g3 g6 3. b3 Bg7
2023.08.27	WRTC	6.43	2023.08.27 Pak, Alexander (4164717) (2099)	0	82.40%	1. b3 Nf6 2. Bb2 g6 3. Nf3 Bg7
2023.08.27	WRTC	5.37	2023.08.27 Rendle, Thomas E (408760) (2402)	1	96.00%	1. e4 e6 2. d4 d5 3. Nc3 Nf6
2023.08.26	WRTC	4.37	2023.08.26 Namale, Ben Nguku (10800263) (2015)	1	93.00%	1. e4 c6 2. d4 d5 3. e5 c5
2023.08.26	WRTC	3.43	2023.08.26 Rodshtein, Maxim (2806851) (2615)	½	90.20%	1. d4 Nf6 2. c4 g6 3. Nc3 Bg7
2023.08.26	WRTC	2.55	2023.08.26 Li, Yunqi (34610618) (1730)	1	93.00%	1. d4 Nf6 2. Nf3 g6 3. c4 Bg7
2023.08.26	WRTC	1.31	2023.08.26 Caruana, Fabiano (2020009) (2763)	½	90.00%	1. e4 c5 2. Nf3 Nc6 3. d4 cxd4
2023.08.06	12. Split Open 05.-13.08.2023.	2.20	2023.08.06 Krnic, Ivan (1972)	0	87.30%	1. e4 c5 2. b4 b6 3. bxc5 bxc5
2023.08.05	12. Split Open 05.-13.08.2023.	1.22	2023.08.05 Erceg, Slobodan (14510650) (1753)	1	90.60%	1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd8
2023.03.22	Hit Open 2023	8.11	2023.03.22 Caruso, Augusto (801763) (2149)	1	93.90%	1. e4 e6 2. d4 d5 3. Nc3 Bb4
2023.03.21	Hit Open 2023	7.9	2023.03.21 Kozlovic, Jernej (14638541) (1878)	0	80.60%	1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7
2023.03.20	Hit Open 2023	6.11	2023.03.20 Cansu, Batuhan (51615819) (2014)	1	98.00%	1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6
2023.03.19	Hit Open 2023	5.14	2023.03.19 Devnani, Kush (2133)	1	95.90%	1. e4 c6 2. d4 d5 3. Nc3 dxe4
2023.03.19	27th HIT Open	4	2023.03.19 Brunello, Sabino (813613) (2512)	0	90.50%	1. d4 Nf6 2. c4 g6 3. Nc3 Bg7
2023.03.18	Hit Open 2023	3.10	2023.03.18 Perossa, Nicolas (2850520) (2141)	1	92.30%	1. e4 c5 2. Nf3 d6 3. d4 cxd4
2023.03.17	Hit Open 2023	2.2	2023.03.17 Strikovic, Aleksa (900150) (2446)	0	76.60%	1. e4 d6 2. d4 Nf6 3. Nc3 e5
2023.03.16	Hit Open 2023	9.11	2023.03.16 Gregoric, Andraz (14629461) (2206)	½	97.40%	1. e4 c5 2. Nf3 d6 3. d4 cxd4
2023.03.16	Hit Open 2023	1.16	2023.03.16 Praznik, Anton (14600382) (2078)	1	86.50%	1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7
2023.03.03	European Championship	1	2023.03.03 Rodshtein, Maxim (2806851) (2622)	0	88.00%	1. e4 c5 2. Nf3 Nc6 3. d4 cxd4
2023.01.29	Tata Steel Chess 2023 Qualifiers	9.2	2023.01.29 Pham, Khoi (2353)	0	87.00%	1. e4 c5 2. Nf3 d6 3. d4 cxd4
2023.01.28	Tata Steel Chess 2023 Qualifiers	8.2	2023.01.28 de Winter, Arthur (1069020) (2371)	1	92.30%	1. e4 c5 2. Nf3 d6 3. d4 cxd4
2023.01.27	Tata Steel Chess 2023 Qualifiers	7.4	2023.01.27 Culum, Sanjin (14420937) (2242)	1	92.10%	1. d4 Nf6 2. Nf3 g6 3. g3 Bg7
2023.01.25	Tata Steel Chess 2023 Qualifiers	6.1	2023.01.25 Lopez, Jasel (15900045) (2434)	1	98.60%	1. e4 c6 2. d4 d5 3. Nd2 dxe4
2023.01.24	Tata Steel Chess 2023 Qualifiers	5.2	2023.01.24 Beukema, Stefan (1024523) (2411)	½	88.00%	1. e4 c5 2. Nf3 d6 3. d4 cxd4
2023.01.23	Tata Steel Chess 2023 Qualifiers	4.3	2023.01.23 Pijpers, Arthur (1019554) (2445)	1	87.20%	1. e4 c5 2. Nf3 Nc6 3. d4 cxd4
2023.01.22	Tata Steel Chess 2023 Qualifiers	3.1	2023.01.22 van der Werf, Mark (1000470) (2412)	½	92.50%	1. d4 Nf6 2. c4 g6 3. Nc3 Bg7
2023.01.21	Tata Steel Chess 2023 Qualifiers	2.4	2023.01.21 Zwirs, Nico (1036432) (2467)	0	84.60%	1. e4 c5 2. Nf3 d6 3. d4 cxd4
2023.01.20	Tata Steel Chess 2023 Qualifiers	1.2	2023.01.20 Martins, Vinicius Tine (2112884) (2320)	1	89.70%	1. d4 Nf6 2. g3 g6 3. Bg2 Bg7
????.??.??	4NCL Division 1 2023-2024	6.22	????.??.?? Murphy, Conor E (421669) (2484)	0	87.90%	1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6
2024.02.10	4NCL Division 1 2023-2024	5.28	2024.02.10 Richard A Bates (2357)	½	74.50%	1. e4 c5 2. c3 d6 3. d4 Nf6