Player profile

Janse, Jan Jaap

Standard: 2115 Rapid: 2206 Blitz: 2225 (last updated 2026-11-02)

FIDE ID: 1010344 (view FIDE profile)

Federation: NED Sex: M Birth Year: 1974 Age: 52

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

Games: 14 Wins: 2 (14%) Draws: 4 (29%) Losses: 8 (57%)

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Dossier

13 of 14 games analyzed.

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Openings

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As White 4 games 1W 1D 2L

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

Austrian Defense 1 game 0W 0D 1L

(unspecified) 1 game 0W 0D 1L

Trompowsky Attack 1 game 1W 0D 0L

(unspecified) 1 game 1W 0D 0L

Tarrasch Defense 1 game 0W 1D 0L

Symmetrical Variation 1 game 0W 1D 0L

(unspecified) 1 game 0W 1D 0L

Queen's Pawn Game 1 game 0W 0D 1L

Modern Defense 1 game 0W 0D 1L

(unspecified) 1 game 0W 0D 1L

As Black 7 games 1W 3D 3L

Scandinavian Defense 2 games 0W 1D 1L

Gubinsky-Melts Defense 2 games 0W 1D 1L

(unspecified) 2 games 0W 1D 1L

Caro-Kann Defense 1 game 0W 0D 1L

Accelerated Panov Attack 1 game 0W 0D 1L

Open Variation 1 game 0W 0D 1L

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

Modern Variation 1 game 1W 0D 0L

(unspecified) 1 game 1W 0D 0L

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

Chigorin Defense 1 game 0W 1D 0L

Tartakower Gambit 1 game 0W 1D 0L

Tarrasch Defense 1 game 0W 1D 0L

(unspecified) 1 game 0W 1D 0L

Ruy Lopez 1 game 0W 0D 1L

Exchange Variation 1 game 0W 0D 1L

Normal Variation 1 game 0W 0D 1L

Blunders Top 4 of 59

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

2025.12.31 · 81... Kc4 (−47.5% win chance) 1/2-1/2

Janse, Jan Jaap

Kim, Changhoon

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2025.12.31 · 79... Ke4 (−46.9% win chance) 1/2-1/2

Janse, Jan Jaap

Kim, Changhoon

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2025.12.31 · 73... Nb4 (−39.2% win chance) 1/2-1/2

Janse, Jan Jaap

Kim, Changhoon

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2025.12.31 · 58... Ke4 (−37.5% win chance) 1/2-1/2

Janse, Jan Jaap

Kim, Changhoon

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Games Showing all 14 games

Date	Event	Round	Opponent	Result	Accuracy %	First moves
2026.08.03	Open Geraardsbergen 26	3.2	2026.08.03 Miezis, Normunds (11600136) (2399)	0	87.60%	1. c4 c6 2. e4 e5 3. Nf3 Qc7
2026.01.02	Round 9: Ashton, Alannah - Janse, Jan Jaap	9.25	2026.01.02 Ashton, Alannah (480681) (1984)	0	82.60%	1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd6
2026.01.01	Round 8: Janse, Jan Jaap - Liu,Yiyi	8.21	2026.01.01 Liu,Yiyi (8617171) (1809)	0	56.60%	1. d4 d5 2. c4 c5 3. cxd5 Qxd5
2026.01.01	Round 7: Fryer, David W - Janse, Jan Jaap	7.24	2026.01.01 Fryer, David W (406384) (1902)	1	89.50%	1. b3 e5 2. Bb2 Nc6 3. e3 d5
2025.12.31	Round 6: Kim, Changhoon - Janse, Jan Jaap	6.27	2025.12.31 Kim, Changhoon (34117234) (1874)	½	77.40%	1. d4 d5 2. c4 Nc6 3. Nc3 e5
2025.12.30	Round 5: Janse, Jan Jaap - Dewangan, Aayush	5.32	2025.12.30 Dewangan, Aayush (469700) (1981)	1	97.80%	1. d4 Nf6 2. Bg5 d5 3. Bxf6 gxf6
2025.12.30	Round 4: Rayner, Francis - Janse, Jan Jaap	4.28	2025.12.30 Rayner, Francis (1800132) (1983)	½	81.00%	1. c4 e6 2. Nc3 d5 3. d4 c5
2025.12.29	Round 3: Janse, Jan Jaap - Siddharth, Gopakumar	3.20	2025.12.29 Siddharth, Gopakumar (5053463) (1864)	½	91.60%	1. Nf3 d5 2. e3 c5 3. c4 e6
2025.12.29	Round 2: Gorskovs, Andrejs - Janse, Jan Jaap	2.19	2025.12.29 Gorskovs, Andrejs (343426751) (1920)	½	92.00%	1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd6
2025.12.28	Round 1: Janse, Jan Jaap - Kovchan, Alexander	1.9	2025.12.28 Kovchan, Alexander (14103052) (2447)	0	89.20%	1. d4 g6 2. Nf3 Bg7 3. g3 c5
2025.03.15	Round 1: Vrolijk, Liam - Janse, Jan Jaap	1.5	2025.03.15 Vrolijk, Liam (1048333) (2521)	0	-	1. e4 e5 2. Nf3 Nc6 3. Bb5 a6
2023.07.08	Round 7: Jan Jaap Janse - Thomas Beerdsen		2023.07.08 Thomas Beerdsen	0	83.30%	1. Nf3 Nf6 2. b3 c5 3. Bb2 b6
2023.07.08	Round 2: Benjamin Bok - Jan Jaap Janse		2023.07.08 Benjamin Bok	0	91.30%	1. Nf3 d5 2. g3 Nf6 3. Bg2 c5
2023.06.24	Round 3: Jan Jaap Janse - Khoi Pham		2023.06.24 Khoi Pham	0	89.40%	1. Nf3 d5 2. e3 Nf6 3. c4 c6