Player profile

Coetsee, Dewald

Standard: 1959 Rapid: 1646 Blitz: 1697 (last updated 2026-10-02)

FIDE ID: 14334453 (view FIDE profile)

Federation: RSA Sex: M Birth Year: 2008 Age: 18

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

Games: 27 Wins: 11 (41%) Draws: 3 (11%) Losses: 13 (48%)

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Dossier

25 of 27 games analyzed.

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Openings

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As White 11 games 4W 2D 5L

Sicilian Defense 8 games 2W 1D 5L

Lasker-Pelikan Variation 1 game 0W 0D 1L

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

Accelerated Dragon 1 game 0W 1D 0L

Maróczy Bind 1 game 0W 1D 0L

Open 1 game 0W 0D 1L

(unspecified) 1 game 0W 0D 1L

Kalashnikov Variation 1 game 0W 0D 1L

(unspecified) 1 game 0W 0D 1L

Scheveningen Variation 1 game 0W 0D 1L

Classical Main Line 1 game 0W 0D 1L

Taimanov Variation 1 game 1W 0D 0L

Bastrikov Variation 1 game 1W 0D 0L

Kan Variation 1 game 1W 0D 0L

Knight Variation 1 game 1W 0D 0L

Dragon Variation 1 game 0W 0D 1L

Yugoslav Attack, Main Line 1 game 0W 0D 1L

Ruy Lopez 2 games 2W 0D 0L

Closed 1 game 1W 0D 0L

Yates Variation 1 game 1W 0D 0L

Morphy Defense 1 game 1W 0D 0L

Norwegian Variation 1 game 1W 0D 0L

Owen Defense 1 game 0W 1D 0L

(unspecified) 1 game 0W 1D 0L

As Black 8 games 3W 0D 5L

Sicilian Defense 5 games 1W 0D 4L

Taimanov Variation 2 games 1W 0D 1L

(unspecified) 2 games 1W 0D 1L

Scheveningen Variation 1 game 0W 0D 1L

Classical Variation 1 game 0W 0D 1L

French Variation 1 game 0W 0D 1L

(unspecified) 1 game 0W 0D 1L

Blackmar-Diemer Gambit Accepted 1 game 1W 0D 0L

Euwe Defense 1 game 1W 0D 0L

Duthilleul Gambit 1 game 1W 0D 0L

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

Tarrasch Defense 1 game 1W 0D 0L

Pseudo-Tarrasch 1 game 1W 0D 0L

Benoni Defense 1 game 0W 0D 1L

Taimanov Variation 1 game 0W 0D 1L

(unspecified) 1 game 0W 0D 1L

Blunders Top 4 of 115

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

2025.04.29 · 30... Nxf3 (−55.6% win chance) 1-0

Coetsee, Dewald

Mbedza, Richard

Engine View game

2025.07.03 · 33. Qh4 (−48.5% win chance) 0-1

Mankga, Thabang

Coetsee, Dewald

Engine View game

2026.06.25 · 58. Rg8+ (−42% win chance) 0-1

Menahem, Adi

Coetsee, Dewald

Engine View game

2023.08.17 · 13. Bxf6 (−40.9% win chance) 0-1

Arthur Mwase

Dewald Coetsee

Engine View game

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Games Showing all 27 games

Date	Event	Round	Opponent	Result	Accuracy %	First moves
2026.06.25	Round 10: Coetsee, Dewald - Menahem, Adi	10.47	2026.06.25 Menahem, Adi (2847027) (2316)	0	86.70%	1. e4 c5 2. Nf3 Nc6 3. d4 cxd4
2026.06.24	Round 9: Coetsee, Dewald - Testelecs, Ilja Kuprijans	9.57	2026.06.24 Testelecs, Ilja Kuprijans (11613530) (1867)	1	91.50%	1. e4 e5 2. Nf3 Nc6 3. Bb5 a6
2026.06.23	World Youth Chess Championship 2026 U18 Open	8.50	2026.06.23 Angulo Perez, Sebastian (6544045) (2182)	0	87.60%	1. e4 c5 2. Nf3 e6 3. d4 cxd4
2026.06.22	Round 7: Mukhamed, Nazir - Coetsee, Dewald	7.46	2026.06.22 Mukhamed, Nazir (14196239) (2136)	0	88.50%	1. e4 c5 2. Nf3 e6 3. g3 Nc6
2026.06.20	Round 6: Coetsee, Dewald - Valpas, Jami	6.49	2026.06.20 Valpas, Jami (517046) (2111)	½	98.30%	1. e4 c5 2. Nf3 g6 3. d4 cxd4
2026.06.19	Round 5: Leal Mendez, Jose Raul - Coetsee, Dewald	5.56	2026.06.19 Leal Mendez, Jose Raul (7309732) (1453)	1	96.80%	1. d4 d5 2. e4 dxe4 3. Nc3 Nf6
2026.06.18	Round 4: Coetsee, Dewald - Abdin, Mahmoud	4.42	2026.06.18 Abdin, Mahmoud (10653376) (2209)	0	88.80%	1. e4 c5 2. Nf3 Nc6 3. d4 cxd4
2026.06.17	Round 3: Tsai, Chia-Chen - Coetsee, Dewald	3.55	2026.06.17 Tsai, Chia-Chen (16305337) (1718)	1	83.70%	1. d4 d5 2. Nf3 e6 3. c4 c5
2026.06.16	Round 2: Coetsee, Dewald - Papaioannou, Dimitrios	2.38	2026.06.16 Papaioannou, Dimitrios (25865137) (2348)	0	88.00%	1. e4 c5 2. Nf3 Nc6 3. d4 cxd4
2026.06.15	Round 1: Kot, Emanuel - Coetsee, Dewald	1.34	2026.06.15 Kot, Emanuel (2640376) (2313)	0	90.00%	1. e4 c5 2. Nf3 e6 3. d4 cxd4
2025.07.04	B-section	10.4	2025.07.04 Prince Chidembo (11006374) (1905)	1	-	1. e4 e5 2. Nf3 Nc6 3. Bb5 a6
2025.07.03	B-section	8.4	2025.07.03 Mankga, Thabang (14334798) (1847)	0	85.90%	1. e4 c5 2. Nf3 e6 3. d4 cxd4
2025.07.02	B-section	7.4	2025.07.02 Ngcongo, Minenhle (14332370) (1952)	1	95.60%	1. e4 c5 2. Nf3 e6 3. d4 cxd4
2025.06.30	B-section	5.3	2025.06.30 Bulelani, Stephen (14368595) (1809)	0	88.60%	1. d4 Nf6 2. c4 e6 3. Nc3 c5
2025.06.29	B-section	4.4	2025.06.29 Meme, Chime	1	95.80%	1. e4 c5 2. Nf3 e6 3. d4 cxd4
2025.06.28	B-section	11.1	2025.06.28 Prince Chidembo (11006374) (1905)	1	93.70%	1. e4 c5 2. Nf3 e6 3. d4 cxd4
2025.04.29	Round 6: Mbedza, Richard - Coetsee, Dewald	6.6	2025.04.29 Mbedza, Richard (16400143) (1904)	0	74.40%	1. e4 c5 2. d3 Nc6 3. Nf3 g6
2025.04.28	Round 5: Coetsee, Dewald - Soojay, Jorah	5.10	2025.04.28 Soojay, Jorah (14328666) (1975)	½	86.70%	1. e4 b6 2. d4 Bb7 3. Bd3 e6
2025.04.27	Round 3: Coetsee, Dewald - Mnyasta, Tezihano	3.4	2025.04.27 Mnyasta, Tezihano (14339447) (1987)	0	-	1. e4 c5 2. Nf3 Nc6 3. d4 cxd4
2023.08.17	FIDE U16 Olympiad_boards_81-124	8	2023.08.17 Arthur Mwase	0	76.40%	1. e4 c6 2. d4 d5 3. exd5 cxd5
2023.08.17	FIDE U16 Olympiad_boards_81-124	7	2023.08.17 Viritpol Chunsukon	½	85.10%	1. e4 c5 2. Ne2 d6 3. Nbc3 Nf6
2023.08.16	FIDE U16 Olympiad_boards_81-124	6	2023.08.16 Shunji Hashimoto	1	94.70%	1. d4 d5 2. c4 e6 3. Nf3 Nf6
2023.08.15	FIDE U16 Olympiad_boards_81-124	5	2023.08.15 Mihailo Pusara	1	91.00%	1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6
2023.08.15	FIDE U16 Olympiad_boards_81-124	4	2023.08.15 Daniel Dokoria	1	98.10%	1. e4 c5 2. Nf3 e6 3. d4 cxd4
2023.08.14	FIDE U16 Olympiad_boards_81-124	3	2023.08.14 Thanneermalai Kannappan	1	91.00%	1. e4 c5 2. Nf3 d6 3. d4 cxd4
2023.08.14	FIDE U16 Olympiad_boards_81-124	2	2023.08.14 Iker Hernandez Mendez	0	78.40%	1. e4 c5 2. Nf3 e6 3. d4 cxd4
2023.08.13	FIDE U16 Olympiad_boards_81-124	1	2023.08.13 Ergit Ramaj	0	91.60%	1. e4 e5 2. Nf3 Nc6 3. Bb5 a6