Player profile

Guillen Velandia, Juan Diego

Standard: 0 Rapid: 0 Blitz: 0 (last updated 2026-10-09)

FIDE ID: 144492561 (view FIDE profile)

Federation: COL Sex: M Birth Year: 2015 Age: 11

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

Games: 8 Wins: 1 (13%) Draws: 2 (25%) Losses: 4 (50%) Other: 1

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Dossier

7 of 8 games analyzed.

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Openings

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As White 4 games 1W 1D 2L

Italian Game 3 games 0W 1D 2L

Giuoco Pianissimo 1 game 0W 0D 1L

Italian Four Knights Variation 1 game 0W 0D 1L

Two Knights Defense 1 game 0W 1D 0L

Modern Bishop's Opening 1 game 0W 1D 0L

Paris Defense 1 game 0W 0D 1L

(unspecified) 1 game 0W 0D 1L

French Defense 1 game 1W 0D 0L

Advance Variation 1 game 1W 0D 0L

Nimzowitsch System 1 game 1W 0D 0L

As Black 4 games 0W 1D 2L

Pirc Defense 2 games 0W 0D 2L

Classical Variation 2 games 0W 0D 2L

(unspecified) 2 games 0W 0D 2L

Ruy Lopez 1 game 0W 1D 0L

Steinitz Defense 1 game 0W 1D 0L

(unspecified) 1 game 0W 1D 0L

King's Indian Defense 1 game 0W 0D 0L

Larsen Variation 1 game 0W 0D 0L

(unspecified) 1 game 0W 0D 0L

Blunders Top 4 of 55

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

2026.10.30 · 28. Qxh6 (−88.9% win chance) 0-1

Alvarez Tibaduiza, Simon

Guillen Velandia, Juan Diego

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2026.10.30 · 20. Ng5 (−50.7% win chance) 1/2-1/2

Ruiz Bernal, Juan Estiven

Guillen Velandia, Juan Diego

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2026.10.29 · 38... Nxg2+ (−37.5% win chance) 1-0

Guillen Velandia, Juan Diego

Ariza Medina, Thomas

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2026.10.29 · 40... Nxh3 (−33% win chance) 1-0

Guillen Velandia, Juan Diego

Ariza Medina, Thomas

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Games Showing all 8 games

Date	Event	Round	Opponent	Result	Accuracy %	First moves
2026.10.31	Round 9: Moreno Rodriguez, Isaac - Guillen Velandia, Juan Diego	9.2	2026.10.31 Moreno Rodriguez, Isaac (144471467)	½	92.70%	1. e4 e5 2. Nf3 Nc6 3. Bb5 d6
2026.10.30	Round 8: Guillen Velandia, Juan Diego - Alvarez Tibaduiza, Simon	8.2	2026.10.30 Alvarez Tibaduiza, Simon (144467281)	0	52.90%	1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5
2026.10.30	Round 7: Guillen Velandia, Juan Diego - Ruiz Bernal, Juan Estiven	7.2	2026.10.30 Ruiz Bernal, Juan Estiven (144483635)	½	71.90%	1. e4 e5 2. Nf3 Nc6 3. Bc4 Be7
2026.10.29	Round 5: Ariza Medina, Thomas - Guillen Velandia, Juan Diego	5.2	2026.10.29 Ariza Medina, Thomas (144492901)	0	81.40%	1. e4 g6 2. Nc3 d6 3. d4 Bg7
2026.10.28	Round 4: Lopez Vega, Santiago - Guillen Velandia, Juan Diego	4.2	2026.10.28 Lopez Vega, Santiago (144493339)	0	87.70%	1. e4 g6 2. d4 d6 3. Nf3 Nf6
2026.10.27	Round 3: Guillen Velandia, Juan Diego - Rodriguez Rodriguez, Thiago	3.1	2026.10.27 Rodriguez Rodriguez, Thiago (144440804) (1490)	1	88.50%	1. e4 e6 2. d4 d5 3. e5 c5
2026.10.27	Round 2: Guevara Garcia, Samuel Alejandro - Guillen Velandia, Juan Diego	2.10	2026.10.27 Guevara Garcia, Samuel Alejandro (144427468) (1482)	*	-	1. d4 Nf6 2. c4 g6 3. Nc3 Bg7
2026.10.27	Round 1: Guillen Velandia, Juan Diego - Barraza Castaneda, Samir Alejandro	1.10	2026.10.27 Barraza Castaneda, Samir Alejandro (144441550) (1559)	0	79.90%	1. e4 e5 2. Nf3 Nc6 3. Bc4 d6