Player profile

Obando Guzman, Soren Federico

Standard: 2150 Rapid: 2119 Blitz: 2151 (last updated 2026-11-02)

FIDE ID: 4431081 (view FIDE profile)

Federation: COL Sex: M Birth Year: 1997 Age: 29

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

Games: 187 Wins: 119 (64%) Draws: 29 (16%) Losses: 35 (19%) Other: 4

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Dossier

153 of 187 games analyzed.

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Openings

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As White 83 games 57W 11D 14L

Queen's Gambit Declined 11 games 9W 1D 1L

(unspecified) 5 games 3W 1D 1L

Exchange Variation 2 games 2W 0D 0L

Reshevsky Variation 2 games 2W 0D 0L

Modern Variation 1 game 1W 0D 0L

(unspecified) 1 game 1W 0D 0L

Ragozin Defense 1 game 1W 0D 0L

(unspecified) 1 game 1W 0D 0L

Orthodox Defense 1 game 1W 0D 0L

Bd3 Line 1 game 1W 0D 0L

Semi-Tarrasch Defense 1 game 1W 0D 0L

Pillsbury Variation 1 game 1W 0D 0L

King's Indian Defense 11 games 8W 1D 2L

Fianchetto Variation 5 games 4W 0D 1L

Larsen Defense 2 games 1W 0D 1L

Yugoslav System 1 game 1W 0D 0L

Panno Variation 1 game 1W 0D 0L

(unspecified) 1 game 1W 0D 0L

Semi-Averbakh System 2 games 1W 0D 1L

(unspecified) 2 games 1W 0D 1L

Makogonov Variation 2 games 1W 1D 0L

(unspecified) 2 games 1W 1D 0L

Normal Variation 1 game 1W 0D 0L

Rare Defenses 1 game 1W 0D 0L

Karpov System 1 game 1W 0D 0L

(unspecified) 1 game 1W 0D 0L

Zukertort Opening 8 games 5W 1D 2L

Sicilian Invitation 2 games 1W 0D 1L

(unspecified) 2 games 1W 0D 1L

(unspecified) 2 games 0W 1D 1L

Black Mustang Defense 1 game 1W 0D 0L

(unspecified) 1 game 1W 0D 0L

Kingside Fianchetto 1 game 1W 0D 0L

(unspecified) 1 game 1W 0D 0L

Dutch Variation 1 game 1W 0D 0L

(unspecified) 1 game 1W 0D 0L

Queenside Fianchetto Variation 1 game 1W 0D 0L

(unspecified) 1 game 1W 0D 0L

King's Indian Attack 5 games 1W 0D 4L

Symmetrical Defense 2 games 1W 0D 1L

(unspecified) 2 games 1W 0D 1L

Spassky Variation 1 game 0W 0D 1L

(unspecified) 1 game 0W 0D 1L

Sicilian Variation 1 game 0W 0D 1L

(unspecified) 1 game 0W 0D 1L

Neo-Grünfeld Defense 4 games 4W 0D 0L

Classical Variation 4 games 4W 0D 0L

Original Defense 4 games 4W 0D 0L

Catalan Opening 4 games 4W 0D 0L

Closed 2 games 2W 0D 0L

(unspecified) 2 games 2W 0D 0L

Open Defense 2 games 2W 0D 0L

(unspecified) 1 game 1W 0D 0L

Classical Line 1 game 1W 0D 0L

Grünfeld Defense 4 games 2W 2D 0L

Flohr Variation 2 games 1W 1D 0L

(unspecified) 2 games 1W 1D 0L

Exchange Variation 2 games 1W 1D 0L

(unspecified) 1 game 1W 0D 0L

Modern Exchange Variation 1 game 0W 1D 0L

Indian Defense 3 games 1W 1D 1L

Dzindzi-Indian Defense 1 game 0W 1D 0L

(unspecified) 1 game 0W 1D 0L

Budapest Gambit Accepted 1 game 0W 0D 1L

Main Line 1 game 0W 0D 1L

Knights Variation 1 game 1W 0D 0L

(unspecified) 1 game 1W 0D 0L

Semi-Slav Defense 3 games 2W 1D 0L

(unspecified) 3 games 2W 1D 0L

Réti Opening 3 games 2W 0D 1L

Anglo-Slav Variation 3 games 2W 0D 1L

with g3 3 games 2W 0D 1L

English Opening 3 games 2W 1D 0L

Agincourt Defense 2 games 1W 1D 0L

Tarrasch Defense 1 game 1W 0D 0L

Neo-Catalan Declined 1 game 0W 1D 0L

Anglo-Indian Defense 1 game 1W 0D 0L

Scandinavian Defense 1 game 1W 0D 0L

Nimzo-Indian Defense 3 games 3W 0D 0L

Spielmann Variation 2 games 2W 0D 0L

(unspecified) 2 games 2W 0D 0L

Leningrad Variation 1 game 1W 0D 0L

(unspecified) 1 game 1W 0D 0L

Dutch Defense 3 games 3W 0D 0L

(unspecified) 2 games 2W 0D 0L

Queen's Knight Variation 1 game 1W 0D 0L

(unspecified) 1 game 1W 0D 0L

Queen's Indian Defense 3 games 1W 0D 2L

Fianchetto Variation 1 game 0W 0D 1L

Nimzowitsch Variation 1 game 0W 0D 1L

Yates Variation 1 game 0W 0D 1L

(unspecified) 1 game 0W 0D 1L

Classical Variation 1 game 1W 0D 0L

Traditional Variation 1 game 1W 0D 0L

Queen's Pawn Game 2 games 1W 1D 0L

Symmetrical Variation 1 game 1W 0D 0L

Pseudo-Catalan 1 game 1W 0D 0L

Modern Defense 1 game 0W 1D 0L

(unspecified) 1 game 0W 1D 0L

Bogo-Indian Defense 2 games 1W 0D 1L

Retreat Variation 2 games 1W 0D 1L

(unspecified) 2 games 1W 0D 1L

Queen's Gambit Accepted 2 games 2W 0D 0L

Gunsberg Defense 1 game 1W 0D 0L

(unspecified) 1 game 1W 0D 0L

Richter-Veresov Attack 2 games 1W 0D 0L

Two Knights System 1 game 1W 0D 0L

(unspecified) 1 game 1W 0D 0L

Boyce Defense 1 game 0W 0D 0L

(unspecified) 1 game 0W 0D 0L

Van Geet Opening 2 games 2W 0D 0L

Napoleon Attack 2 games 2W 0D 0L

(unspecified) 2 games 2W 0D 0L

Benoni Defense 1 game 0W 1D 0L

Benoni Gambit 1 game 0W 1D 0L

Schlenker Defense 1 game 0W 1D 0L

French Defense 1 game 1W 0D 0L

Schlechter Variation 1 game 1W 0D 0L

(unspecified) 1 game 1W 0D 0L

Slav Defense 1 game 1W 0D 0L

Quiet Variation 1 game 1W 0D 0L

Schallopp Defense 1 game 1W 0D 0L

Owen Defense 1 game 0W 1D 0L

(unspecified) 1 game 0W 1D 0L

King's Indian Attack, with e6 1 game 1W 0D 0L

(unspecified) 1 game 1W 0D 0L

As Black 83 games 52W 16D 14L

Sicilian Defense 36 games 25W 2D 9L

Najdorf Variation 10 games 7W 0D 3L

English Attack 4 games 3W 0D 1L

Lipnitsky Attack 2 games 1W 0D 1L

(unspecified) 1 game 1W 0D 0L

Yates Variation 1 game 0W 0D 1L

Zagreb Variation 1 game 1W 0D 0L

Petronić Attack 1 game 1W 0D 0L

Pin Variation 4 games 2W 1D 1L

(unspecified) 3 games 2W 1D 0L

Koch Variation 1 game 0W 0D 1L

Closed 4 games 3W 1D 0L

(unspecified) 3 games 2W 1D 0L

Traditional 1 game 1W 0D 0L

Moscow Variation 4 games 3W 0D 1L

(unspecified) 3 games 3W 0D 0L

Main Line 1 game 0W 0D 1L

Alapin Variation 3 games 2W 0D 1L

Smith-Morra Declined 2 games 1W 0D 1L

(unspecified) 1 game 1W 0D 0L

Four Knights Variation 2 games 2W 0D 0L

Exchange Variation 2 games 2W 0D 0L

O'Kelly Variation 1 game 1W 0D 0L

Normal System 1 game 1W 0D 0L

McDonnell Attack 1 game 1W 0D 0L

(unspecified) 1 game 1W 0D 0L

Scheveningen Variation 1 game 1W 0D 0L

English Attack, with f3 1 game 1W 0D 0L

French Variation 1 game 1W 0D 0L

Normal 1 game 1W 0D 0L

Kan Variation 1 game 0W 0D 1L

Maróczy Bind, Réti Variation 1 game 0W 0D 1L

Delayed Alapin Variation 1 game 0W 0D 1L

with d6 1 game 0W 0D 1L

Modern Variations 1 game 1W 0D 0L

Tartakower 1 game 1W 0D 0L

Keres Variation 1 game 0W 0D 1L

(unspecified) 1 game 0W 0D 1L

Bowdler Attack 1 game 1W 0D 0L

(unspecified) 1 game 1W 0D 0L

English Opening 9 games 7W 2D 0L

Symmetrical Variation 6 games 5W 1D 0L

(unspecified) 3 games 3W 0D 0L

Three Knights, Fianchetto Variation 2 games 1W 1D 0L

Ultra-Symmetrical Variation 1 game 1W 0D 0L

King's English Variation 3 games 2W 1D 0L

Taimanov Variation 1 game 0W 1D 0L

(unspecified) 1 game 1W 0D 0L

Two Knights Variation, Keres Variation 1 game 1W 0D 0L

Queen's Indian Defense 7 games 5W 2D 0L

Fianchetto Variation 4 games 3W 1D 0L

Nimzowitsch Variation 2 games 1W 1D 0L

Sämisch Variation 1 game 1W 0D 0L

Check Variation, Intermezzo Line 1 game 1W 0D 0L

Kasparov-Petrosian Variation 2 games 1W 1D 0L

Hedgehog Variation 2 games 1W 1D 0L

(unspecified) 1 game 1W 0D 0L

Queen's Pawn Game 5 games 1W 3D 1L

Barry Attack 2 games 0W 2D 0L

(unspecified) 1 game 0W 1D 0L

Tarzan Attack 1 game 0W 1D 0L

Zukertort Variation 1 game 0W 1D 0L

(unspecified) 1 game 0W 1D 0L

(unspecified) 1 game 0W 0D 1L

Symmetrical Variation 1 game 1W 0D 0L

Pseudo-Catalan 1 game 1W 0D 0L

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

(unspecified) 2 games 1W 0D 1L

Four Pawns Attack 2 games 1W 0D 1L

Normal Attack 1 game 0W 0D 1L

Dynamic Attack 1 game 1W 0D 0L

Normal Variation 1 game 0W 1D 0L

King's Knight Variation 1 game 0W 1D 0L

Van't Kruijs Opening 3 games 2W 1D 0L

(unspecified) 3 games 2W 1D 0L

Réti Opening 2 games 0W 1D 1L

Advance Variation 1 game 0W 0D 1L

(unspecified) 1 game 0W 0D 1L

Anglo-Slav Variation 1 game 0W 1D 0L

Gurevich System 1 game 0W 1D 0L

Trompowsky Attack 2 games 1W 1D 0L

Classical Defense 1 game 0W 1D 0L

Big Center Variation 1 game 0W 1D 0L

Poisoned Pawn Variation 1 game 1W 0D 0L

(unspecified) 1 game 1W 0D 0L

Modern Defense 2 games 2W 0D 0L

(unspecified) 2 games 2W 0D 0L

Indian Defense 2 games 1W 1D 0L

Accelerated London System 1 game 0W 1D 0L

(unspecified) 1 game 0W 1D 0L

Knights Variation 1 game 1W 0D 0L

(unspecified) 1 game 1W 0D 0L

Torre Attack 2 games 2W 0D 0L

Classical Defense 2 games 2W 0D 0L

Nimzowitsch Variation 2 games 2W 0D 0L

Rapport-Jobava System 1 game 1W 0D 0L

(unspecified) 1 game 1W 0D 0L

Nimzo-Indian Defense 1 game 0W 1D 0L

Classical Variation 1 game 0W 1D 0L

Berlin Variation 1 game 0W 1D 0L

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

Three Knights 1 game 0W 0D 0L

Vienna Variation 1 game 0W 0D 0L

Slav Defense 1 game 0W 1D 0L

Exchange Variation 1 game 0W 1D 0L

(unspecified) 1 game 0W 1D 0L

Catalan Opening 1 game 1W 0D 0L

Open Defense 1 game 1W 0D 0L

(unspecified) 1 game 1W 0D 0L

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

(unspecified) 1 game 1W 0D 0L

Zukertort Opening 1 game 0W 0D 1L

(unspecified) 1 game 0W 0D 1L

Benoni Defense 1 game 1W 0D 0L

Benoni-Indian Defense 1 game 1W 0D 0L

Kingside Move Order 1 game 1W 0D 0L

Blunders Top 4 of 713

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

2026.04.04 · 41. Kh2 (−95.1% win chance) 1-0

Castro Lombana, Juan Pablo

Obando Guzman, Soren Federico

Engine View game

2023.08.06 · 39... Bf8 (−95.1% win chance) 1/2-1/2

Soren Federico Obando Guzman

Helvert Hernandez Pinzon

Engine View game

2025.05.01 · 43... Qe7 (−88.6% win chance) 0-1

Obando Guzman, Soren Federico

Marulanda, Carlos Andres

Engine View game

2025.05.01 · 48... Kf6 (−86.1% win chance) 0-1

Obando Guzman, Soren Federico

Rubio Junguito, Andres

Engine View game

View blunders & mistakes

Games Showing all 187 games

Date	Event	Round	Opponent	Result	Accuracy %	First moves
2026.10.12	Round 7: Obando Guzman, Soren Federico - Pinzon, Jairo David	7.1	2026.10.12 Pinzon, Jairo David (4404386) (2156)	½	81.30%	1. d4 Nf6 2. c4 e6 3. Nf3 a6
2026.10.12	Round 6: Pinzon, Jairo David - Obando Guzman, Soren Federico	6.3	2026.10.12 Pinzon, Jairo David (4404386) (2156)	1	55.30%	1. e3 g6 2. c4 Bg7 3. Nc3 c5
2026.10.12	Round 5: Obando Guzman, Soren Federico - Pinzon, Jairo David	5.3	2026.10.12 Pinzon, Jairo David (4404386) (2156)	0	80.00%	1. Nf3 Nf6 2. g3 b5 3. Bg2 Bb7
2026.10.12	Round 4: Mesa Baez, Samuel - Obando Guzman, Soren Federico	4.3	2026.10.12 Mesa Baez, Samuel (4451848) (2023)	½	85.50%	1. e4 c5 2. Nf3 e6 3. d4 cxd4
2026.10.12	Round 3: Obando Guzman, Soren Federico - Mesa Baez, Samuel	3.3	2026.10.12 Mesa Baez, Samuel (4451848) (2023)	1	-	1. d4 d5 2. Nf3 Nf6 3. g3 Bf5
2026.10.12	Round 2: Bejarano, Dany Andres - Obando Guzman, Soren Federico	2.4	2026.10.12 Bejarano, Dany Andres (4401700) (1983)	½	-	1. e4 c5 2. Nc3 a6 3. g3 b5
2026.10.12	Round 1: Obando Guzman, Soren Federico - Bejarano, Dany Andres	1.4	2026.10.12 Bejarano, Dany Andres (4401700) (1983)	1	-	1. d4 Nf6 2. g3 g6 3. Bg2 Bg7
2026.10.11	Round 7: Obando Guzman, Soren Federico - Pinzon, Jairo David	7.2	2026.10.11 Pinzon, Jairo David (4404386) (2111)	½	93.00%	1. d4 c5 2. dxc5 Na6 3. Nc3 Nxc5
2026.10.10	Round 4: Suarez Vera, Angel Antonio - Obando Guzman, Soren Federico	4.3	2026.10.10 Suarez Vera, Angel Antonio (144434901) (1741)	1	91.50%	1. e4 c5 2. Nf3 d6 3. d4 cxd4
2026.10.09	Round 2: Rua Palacio, Nora - Obando Guzman, Soren Federico	2.1	2026.10.09 Rua Palacio, Nora (4401930) (1763)	1	89.20%	1. d4 Nf6 2. Bf4 g6 3. Nc3 d5
2026.10.08	Round 6: Ramirez, Carlos - Obando Guzman, Soren Federico	6.1	2026.10.08 Ramirez, Carlos (4400127) (2116)	½	96.90%	1. d4 Nf6 2. c4 e6 3. Nc3 Bb4
2026.10.08	Round 5: Obando Guzman, Soren Federico - Pacheco Gutierrez, Johnny Rafael	5.1	2026.10.08 Pacheco Gutierrez, Johnny Rafael (3956172) (1967)	1	90.60%	1. d4 e6 2. c4 Nf6 3. Nc3 d5
2026.10.08	Round 3: Obando Guzman, Soren Federico - Longas Serrano, Edgar	3.1	2026.10.08 Longas Serrano, Edgar (4426398) (1838)	½	85.50%	1. d4 d5 2. c4 e6 3. Nc3 c6
2026.10.08	Round 1: Obando Guzman, Soren Federico - Higuera Camargo, Esteban	1.1	2026.10.08 Higuera Camargo, Esteban (144439350) (1616)	1	86.00%	1. d4 d5 2. c4 e6 3. Nc3 Nf6
2026.06.08	Round 2: Mosqueda Caldera, Jose Felix - Obando Guzman, Soren Federico	2.20	2026.06.08 Mosqueda Caldera, Jose Felix (144423322)	½	-	1. e3 g6 2. Be2 Bg7 3. Bf3 c5
2026.06.07	Round 8: Obando Guzman, Soren Federico - Mena Cordoba, Yamil Octavio	8.3	2026.06.07 Mena Cordoba, Yamil Octavio (4422376) (1838)	1	96.90%	1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7
2026.06.07	Round 7: Obando Guzman, Soren Federico - Montilla Rodriguez, Camilo	7.5	2026.06.07 Montilla Rodriguez, Camilo (144424590) (1875)	1	98.20%	1. Nf3 Nf6 2. g3 d5 3. c4 c6
2026.06.07	Round 6: Garcia Mendez, Engels Vladimir - Obando Guzman, Soren Federico	6.7	2026.06.07 Garcia Mendez, Engels Vladimir (4409566) (1889)	½	83.00%	1. Nc3 d5 2. Nf3 Nf6 3. d4 g6
2026.06.07	Round 5: Obando Guzman, Soren Federico - Rincon Dimate, Justin Said	5.12	2026.06.07 Rincon Dimate, Justin Said (144441100) (1638)	1	92.50%	1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7
2026.06.07	Round 4: Romero Tavera, Manuel Fernando - Obando Guzman, Soren Federico	4.20	2026.06.07 Romero Tavera, Manuel Fernando (144440170)	1	79.60%	1. d4 Nf6 2. c4 g6 3. Nc3 c5
2026.06.07	Round 3: Obando Guzman, Soren Federico - Nicolas Rico Castro	3.30	2026.06.07 Nicolas Rico Castro	1	89.90%	1. e4 e6 2. d4 d5 3. Bd3 Nf6
2026.06.07	Round 1: Galan Fuquene, Ivan Nicolas - Obando Guzman, Soren Federico	1.2	2026.06.07 Galan Fuquene, Ivan Nicolas (144479352)	*	-	1. d4 d5 2. c4 dxc4 3. Nc3 Nf6
2026.05.03	Round 7: Obando Guzman, Soren Federico - Gomez Morales, Juan Sebastian	7.10	2026.05.03 Gomez Morales, Juan Sebastian (4440358) (1858)	1	-	1. Nf3 Nf6 2. g3 d5 3. c4 e6
2026.05.03	Round 6: Martinez Romero, Martin - Obando Guzman, Soren Federico	6.19	2026.05.03 Martinez Romero, Martin (4404025) (2395)	0	86.40%	1. e4 c5 2. Nf3 d6 3. d4 cxd4
2026.05.02	Round 5: Vargas Cristopulus, Daniel Felipe - Obando Guzman, Soren Federico	5.11	2026.05.02 Vargas Cristopulus, Daniel Felipe (4472411) (1906)	1	84.20%	1. e4 c5 2. Nc3 a6 3. g3 b5
2026.05.02	Round 4: Ramirez Vega, German Leonardo - Obando Guzman, Soren Federico	4.20	2026.05.02 Ramirez Vega, German Leonardo (4446879)	1	-	1. e4 c5 2. Nf3 a6 3. d4 cxd4
2026.05.02	Round 2: Gomez, Frank - Obando Guzman, Soren Federico	2.1	2026.05.02 Gomez, Frank (4420942) (2140)	1	-	1. e4 c5 2. Nf3 d6 3. d4 cxd4
2026.05.01	Round 3: Duque Pinzon, Manuel Santiago - Obando Guzman, Soren Federico	3.10	2026.05.01 Duque Pinzon, Manuel Santiago (4435150) (2018)	0	75.10%	1. Nf3 d5 2. c4 d4 3. b4 a5
2026.05.01	Round 1: Obando Guzman, Soren Federico - Ruiz Cruz, Marco Antonio	1.1	2026.05.01 Ruiz Cruz, Marco Antonio (4427181) (1783)	1	89.90%	1. d4 d5 2. c4 c6 3. Nf3 Nf6
2026.04.26	Round 8: Obando Guzman, Soren Federico - Aponte Monsalve, Jorge Enrique	8.6	2026.04.26 Aponte Monsalve, Jorge Enrique (4411161) (2005)	1	86.30%	1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7
2026.04.26	Round 7: Baez Guerrero, Santiago - Obando Guzman, Soren Federico	7.11	2026.04.26 Baez Guerrero, Santiago (144441541) (1674)	1	92.60%	1. e4 c5 2. Nf3 e6 3. d4 cxd4
2026.04.26	Round 6: Obando Guzman, Soren Federico - Mena Cordoba, Yamil Octavio	6.6	2026.04.26 Mena Cordoba, Yamil Octavio (4422376) (1969)	0	78.90%	1. d4 Nf6 2. c4 e5 3. dxe5 Ng4
2026.04.26	Round 5: Valle, Efrain - Obando Guzman, Soren Federico	5.2	2026.04.26 Valle, Efrain (4401387) (2095)	0	84.70%	1. e4 c5 2. Nf3 d6 3. d4 cxd4
2026.04.26	Round 4: Obando Guzman, Soren Federico - Rodriguez Munoz, Cesar Esteban	4.4	2026.04.26 Rodriguez Munoz, Cesar Esteban (4462211) (1905)	1	92.10%	1. d4 Nf6 2. c4 e6 3. Nc3 d5
2026.04.26	Round 3: Jimenez Vargas, Juan Carlos - Obando Guzman, Soren Federico	3.8	2026.04.26 Jimenez Vargas, Juan Carlos (144463545) (1688)	1	93.90%	1. e4 c5 2. f4 a6 3. Nf3 b5
2026.04.26	Round 2: Obando Guzman, Soren Federico - Casas Ospina, Favio	2.17	2026.04.26 Casas Ospina, Favio (4440250) (1797)	1	87.30%	1. Nf3 c5 2. g3 Nc6 3. Bg2 e5
2026.04.05	Round 10: Gonzalez Mojica, Renan Arturo - Obando Guzman, Soren Federico	10.2	2026.04.05 Gonzalez Mojica, Renan Arturo (4482379) (2101)	½	96.10%	1. d4 d5 2. c4 c6 3. cxd5 cxd5
2026.04.04	Round 9: Obando Guzman, Soren Federico - Castro Lombana, Juan Pablo	9.2	2026.04.04 Castro Lombana, Juan Pablo (144402147) (2152)	1	56.60%	1. d4 d5 2. c4 e6 3. Nf3 Nf6
2026.04.04	Round 8: Mesa Baez, Samuel - Obando Guzman, Soren Federico	8.3	2026.04.04 Mesa Baez, Samuel (4451848) (2005)	1	92.70%	1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7
2026.04.03	Round 6: Obando Guzman, Soren Federico - Rodriguez Velasco, German Enrique	6.3	2026.04.03 Rodriguez Velasco, German Enrique (4411080) (2114)	1	96.30%	1. d4 Nf6 2. c4 e6 3. Nf3 d5
2026.04.03	Round 5: Obando Guzman, Soren Federico - Gonzalez Mojica, Renan Arturo	5.2	2026.04.03 Gonzalez Mojica, Renan Arturo (4482379) (2101)	1	94.10%	1. d4 d5 2. c4 c6 3. Nf3 Nf6
2026.04.02	Round 4: Castro Lombana, Juan Pablo - Obando Guzman, Soren Federico	4.2	2026.04.02 Castro Lombana, Juan Pablo (144402147) (2152)	½	92.80%	1. c4 e5 2. Nc3 Nc6 3. g3 g6
2026.04.02	Round 3: Obando Guzman, Soren Federico - Mesa Baez, Samuel	3.3	2026.04.02 Mesa Baez, Samuel (4451848) (2005)	1	85.20%	1. d4 Nf6 2. c4 g6 3. Nc3 Bg7
2026.04.01	Round 7: Obando Guzman, Soren Federico - Casares Contreras, Jose Gabriel	7.1	2026.04.01 Casares Contreras, Jose Gabriel (3960315) (2011)	½	89.50%	1. Nf3 d5 2. c4 e6 3. g3 Nf6
2026.04.01	Round 2: Casares Contreras, Jose Gabriel - Obando Guzman, Soren Federico	2.1	2026.04.01 Casares Contreras, Jose Gabriel (3960315) (2011)	0	83.50%	1. e4 c5 2. Nf3 e6 3. d4 cxd4
2026.04.01	Round 1: Rodriguez Velasco, German Enrique - Obando Guzman, Soren Federico	1.3	2026.04.01 Rodriguez Velasco, German Enrique (4411080) (2114)	1	94.50%	1. d4 Nf6 2. c4 e6 3. g3 d5
2026.03.29	Round 8: Ladino Hernandez, Angel Joel - Obando Guzman, Soren Federico	8.4	2026.03.29 Ladino Hernandez, Angel Joel (4496701) (1985)	1	88.20%	1. c4 c5 2. Nf3 g6 3. g3 Bg7
2026.03.29	Round 7: Obando Guzman, Soren Federico - Garcia Diaz, Juan Manuel	7.5	2026.03.29 Garcia Diaz, Juan Manuel (4411226) (1947)	1	94.10%	1. Nf3 Nf6 2. d4 e6 3. c4 d5
2026.03.29	Round 6: Castro Lombana, Juan Pablo - Obando Guzman, Soren Federico	6.1	2026.03.29 Castro Lombana, Juan Pablo (144402147) (2188)	0	88.30%	1. d4 Nf6 2. c4 c5 3. d5 g6
2026.03.29	Round 5: Obando Guzman, Soren Federico - Pinzon, Jairo David	5.3	2026.03.29 Pinzon, Jairo David (4404386) (2148)	½	83.30%	1. e4 b6 2. d4 Bb7 3. Nc3 e6
2026.03.29	Round 4: Cardozo Munar, Carlos Eduardo - Obando Guzman, Soren Federico	4.3	2026.03.29 Cardozo Munar, Carlos Eduardo (4409477) (2081)	½	94.30%	1. d4 Nf6 2. Bg5 e6 3. e4 h6
2026.03.29	Round 3: Obando Guzman, Soren Federico - Garcia Mendez, Engels Vladimir	3.3	2026.03.29 Garcia Mendez, Engels Vladimir (4409566) (2054)	1	96.10%	1. Nf3 Nc6 2. g3 d5 3. c4 d4
2026.03.29	Round 2: Gutierrez Pinzon, Cristian Gustavo - Obando Guzman, Soren Federico	2.3	2026.03.29 Gutierrez Pinzon, Cristian Gustavo (4433963) (1857)	1	-	1. e4 g6 2. d4 c6 3. c4 d5
2026.03.29	Round 1: Obando Guzman, Soren Federico - Gaitan Santos, Daniela	1.3	2026.03.29 Gaitan Santos, Daniela (144478739) (1666)	1	84.40%	1. Nf3 d5 2. c4 Nf6 3. e3 dxc4
2026.03.28	Round 7: Ordonez Gonzalez, Gabriel - Obando Guzman, Soren Federico	7.3	2026.03.28 Ordonez Gonzalez, Gabriel (4435400) (2061)	1	82.10%	1. d4 Nf6 2. c4 e6 3. g3 c5
2026.03.28	Round 5: Mesa Baez, Samuel - Obando Guzman, Soren Federico	5.2	2026.03.28 Mesa Baez, Samuel (4451848) (2072)	1	94.90%	1. e4 g6 2. d4 c6 3. Nf3 d5
2026.03.28	Round 4: Obando Guzman, Soren Federico - Rodriguez Sanchez, Diego Eduardo	4.3	2026.03.28 Rodriguez Sanchez, Diego Eduardo (4421230) (2021)	1	96.90%	1. d4 Nf6 2. c4 e6 3. Nc3 Bb4
2026.03.28	Round 3: Duque Pinzon, Manuel Santiago - Obando Guzman, Soren Federico	3.3	2026.03.28 Duque Pinzon, Manuel Santiago (4435150) (2004)	1	88.40%	1. Nf3 c5 2. c4 g6 3. d4 Bg7
2026.03.28	Round 2: Obando Guzman, Soren Federico - Schneider, Leonard	2.4	2026.03.28 Schneider, Leonard (533014264) (1829)	1	95.50%	1. d4 f5 2. Bf4 Nf6 3. e3 e6
2026.03.28	Round 1: Paez Colmenares, Adolfo - Obando Guzman, Soren Federico	1.4	2026.03.28 Paez Colmenares, Adolfo (4417216) (1642)	1	89.00%	1. e4 c6 2. d4 g6 3. Nd2 d5
2026.02.22	Round 6: Lopez Ramirez, Jorge Hernan - Obando Guzman, Soren Federico	6.2	2026.02.22 Lopez Ramirez, Jorge Hernan (4426720) (1875)	1	95.40%	1. e4 c5 2. c3 Nf6 3. e5 Nd5
2026.02.22	Round 5: Obando Guzman, Soren Federico - Garcia Diaz, Juan Manuel	5.4	2026.02.22 Garcia Diaz, Juan Manuel (4411226) (1922)	1	87.50%	1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7
2026.02.22	Round 4: Duque Pinzon, Manuel Santiago - Obando Guzman, Soren Federico	4.4	2026.02.22 Duque Pinzon, Manuel Santiago (4435150) (1996)	½	95.70%	1. Nf3 d5 2. c4 c6 3. e3 Nf6
2026.02.22	Round 3: Obando Guzman, Soren Federico - Marulanda, Carlos Andres	3.8	2026.02.22 Marulanda, Carlos Andres (4428129) (1913)	1	-	1. d4 d5 2. c4 dxc4 3. Nf3 c5
2026.02.22	Round 2: Obando Guzman, Soren Federico - Carrillo, William Alexander	2.1	2026.02.22 Carrillo, William Alexander (4412877) (1960)	½	89.40%	1. d4 g6 2. c4 Bg7 3. Nc3 c5
2026.02.22	Round 1: Higuera Camargo, Esteban - Obando Guzman, Soren Federico	1.2	2026.02.22 Higuera Camargo, Esteban (144439350) (1671)	1	92.20%	1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7
2026.02.20	Round 8: Castillo Rodriguez, Edward Andres - Obando Guzman, Soren Federico	8.1	2026.02.20 Castillo Rodriguez, Edward Andres (4497694) (2044)	½	96.70%	1. c4 c5 2. Nf3 g6 3. Nc3 Bg7
2026.02.20	Round 7: Obando Guzman, Soren Federico - Garcia Mendez, Engels Vladimir	7.1	2026.02.20 Garcia Mendez, Engels Vladimir (4409566) (2032)	1	93.10%	1. d4 Nc6 2. Nf3 d5 3. c4 e6
2026.02.14	Round 6: Obando Guzman, Soren Federico - Castro Lombana, Juan Pablo	6.1	2026.02.14 Castro Lombana, Juan Pablo (144402147) (2188)	0	82.90%	1. d4 d5 2. c4 e6 3. Nf3 Nf6
2025.12.23	Round 6: Cardozo Munar, Carlos Eduardo - Obando Guzman, Soren Federico	6.1	2025.12.23 Cardozo Munar, Carlos Eduardo (4409477) (2059)	½	-	1. d4 d5 2. Nf3 c6 3. e3 Bg4
2025.12.23	Round 5: Obando Guzman, Soren Federico - Duque Pinzon, Manuel Santiago	5.3	2025.12.23 Duque Pinzon, Manuel Santiago (4435150) (1943)	1	-	1. d4 Nf6 2. c4 e6 3. Nc3 Bb4
2025.12.23	Round 7: Obando Guzman, Soren Federico - Dominguez Rincon, Miller Duvan	7.2	2025.12.23 Dominguez Rincon, Miller Duvan (4406583) (1996)	1	-	1. d4 d5 2. c4 e6 3. Nf3 Nf6
2025.12.23	Round 4: Castro Lombana, Juan Pablo - Obando Guzman, Soren Federico	4.2	2025.12.23 Castro Lombana, Juan Pablo (144402147) (2125)	½	-	1. d4 Nf6 2. c4 e6 3. Nf3 b6
2025.12.23	Round 3: Obando Guzman, Soren Federico - Vargas Diaz, David Alejandro	3.2	2025.12.23 Vargas Diaz, David Alejandro (4463900) (1872)	1	-	1. d4 Nf6 2. c4 e6 3. Nc3 Bb4
2025.12.23	Round 2: Nunez Vargas, Alexander - Obando Guzman, Soren Federico	2.2	2025.12.23 Nunez Vargas, Alexander (144423349)	1	-	1. e4 c5 2. Nf3 e6 3. d4 cxd4
2025.12.23	Round 1: Obando Guzman, Soren Federico - Murcia Molina, Manuel Hernando	1.3	2025.12.23 Murcia Molina, Manuel Hernando (4490053) (1724)	1	-	1. d4 Nf6 2. c4 e6 3. Nc3 d5
2025.11.23	Round 7: Cuesta Cifuentes, Jair Alfonso - Obando Guzman, Soren Federico	7.6	2025.11.23 Cuesta Cifuentes, Jair Alfonso (4406575) (2023)	1	82.90%	1. d4 Nf6 2. Bg5 c5 3. d5 Qb6
2025.11.23	Round 6: Obando Guzman, Soren Federico - Dominguez Rincon, Miller Duvan	6.2	2025.11.23 Dominguez Rincon, Miller Duvan (4406583) (1996)	½	91.60%	1. d4 d5 2. c4 e6 3. Nc3 Nf6
2025.11.23	Round 5: Obando Guzman, Soren Federico - Ladino Hernandez, Angel Joel	5.5	2025.11.23 Ladino Hernandez, Angel Joel (4496701) (1781)	1	96.40%	1. d4 Nf6 2. c4 g6 3. Nf3 d5
2025.11.23	Round 4: Gomez Boada, Alfredo - Obando Guzman, Soren Federico	4.11	2025.11.23 Gomez Boada, Alfredo (4426363) (1756)	1	90.80%	1. e4 c5 2. Nf3 e6 3. d4 cxd4
2025.11.21	Round 3: Obando Guzman, Soren Federico - Guerra, Alvaro	3.1	2025.11.21 Guerra, Alvaro (4440366) (1827)	0	95.00%	1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7
2025.11.21	Round 2: Bustos Acosta, Isauro - Obando Guzman, Soren Federico	2.1	2025.11.21 Bustos Acosta, Isauro (4499913) (1776)	1	94.10%	1. e4 c5 2. Nf3 e6 3. d4 cxd4
2025.11.17	Round 6: Gonzalez Mojica, Renan Arturo - Obando Guzman, Soren Federico	6.4	2025.11.17 Gonzalez Mojica, Renan Arturo (4482379) (2068)	½	90.80%	1. d4 Nf6 2. c4 e6 3. Nf3 b6
2025.11.16	Round 5: Obando Guzman, Soren Federico - Cuesta Cifuentes, Jair Alfonso	5.6	2025.11.16 Cuesta Cifuentes, Jair Alfonso (4406575) (2023)	1	90.10%	1. d4 Nf6 2. c4 e6 3. Nf3 d5
2025.11.16	Round 4: Gonzalez, Guillermo - Obando Guzman, Soren Federico	4.7	2025.11.16 Gonzalez, Guillermo (4477448) (1845)	1	96.10%	1. e4 c5 2. Nf3 d6 3. d4 cxd4
2025.11.15	Round 3: Obando Guzman, Soren Federico - Gallego, Julian Andres	3.5	2025.11.15 Gallego, Julian Andres (4441192) (2198)	0	79.90%	1. d4 Nf6 2. c4 e6 3. Nf3 b6
2025.11.15	Round 2: Mesa Baez, Samuel - Obando Guzman, Soren Federico	2.9	2025.11.15 Mesa Baez, Samuel (4451848) (2015)	1	92.70%	1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7
2025.11.14	Round 1: Obando Guzman, Soren Federico - Casares Ugueto, Santiago de Jesus	1.4	2025.11.14 Casares Ugueto, Santiago de Jesus (3973620) (2267)	0	89.90%	1. Nf3 d5 2. g3 Nd7 3. d4 Nb6
2025.11.06	Round 7: Obando Guzman, Soren Federico - Martinez Romero, Martin	7.1	2025.11.06 Martinez Romero, Martin (4404025) (2384)	½	95.80%	1. d4 Nf6 2. c4 g6 3. Nc3 d5
2025.09.16	Ronda 2: Obando Guzman, Soren Federico - Bustos Acosta, Isauro	2.3	2025.09.16 Bustos Acosta, Isauro (4499913) (1781)	1	-	1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7
2025.09.16	Ronda 7: Obando Guzman, Soren Federico - Soto, Cristian Camilo	7.1	2025.09.16 Soto, Cristian Camilo (4407008) (2070)	1	-	1. d4 f5 2. Bf4 d6 3. e3 Nf6
2025.09.16	Ronda 6: Obando Guzman, Soren Federico - Santos Rios, Carlos Gabriel	6.3	2025.09.16 Santos Rios, Carlos Gabriel (4497295) (1821)	1	-	1. Nf3 d5 2. g3 Nf6 3. Bg2 e6
2025.09.16	Ronda 5: Rodriguez Sanchez, Diego Eduardo - Obando Guzman, Soren Federico	5.2	2025.09.16 Rodriguez Sanchez, Diego Eduardo (4421230) (1868)	½	-	1. d4 Nf6 2. Bf4 e6 3. Nc3 c5
2025.09.16	Ronda 4: Obando Guzman, Soren Federico - Valle, Efrain	4.3	2025.09.16 Valle, Efrain (4401387) (2028)	½	-	1. Nf3 Nf6 2. g3 d6 3. Bg2 Nbd7
2025.09.16	Ronda 3: Salazar Celis, Alejandro - Obando Guzman, Soren Federico	3.3	2025.09.16 Salazar Celis, Alejandro (4490100)	1	-	1. c4 e5 2. g3 Nc6 3. Bg2 g6
2025.09.16	Ronda 1: Ramirez Mejia, Jose Gregorio - Obando Guzman, Soren Federico	1.3	2025.09.16 Ramirez Mejia, Jose Gregorio (144437455) (1467)	1	-	1. e4 c5 2. Nf3 d6 3. d4 cxd4
2025.06.30	Quarter-Finals \| Game 2: Obando Guzman, Soren Federico - Brizuela Abreu, Ronald Jesus	2.2	2025.06.30 Brizuela Abreu, Ronald Jesus (3903648) (2304)	0	82.60%	1. d4 e6 2. c4 Nf6 3. Nf3 Bb4+
2025.06.30	Quarter-Finals \| Game 1: Brizuela Abreu, Ronald Jesus - Obando Guzman, Soren Federico	1.2	2025.06.30 Brizuela Abreu, Ronald Jesus (3903648) (2304)	0	87.80%	1. Nf3 d5 2. e3 Bg4 3. c4 e6
2025.06.29	Round 6: Obando Guzman, Soren Federico - Ordonez Gonzalez, Gabriel	6.4	2025.06.29 Ordonez Gonzalez, Gabriel (4435400) (1981)	1	93.60%	1. d4 Nf6 2. c4 g6 3. Nc3 Bg7
2025.06.29	Round 5: Bejarano, Dany Andres - Obando Guzman, Soren Federico	5.6	2025.06.29 Bejarano, Dany Andres (4401700) (1917)	1	97.70%	1. e4 c5 2. Nf3 d6 3. d4 cxd4
2025.06.28	Round 4: Obando Guzman, Soren Federico - Guevara Rincon, Cristian Camilo	4.10	2025.06.28 Guevara Rincon, Cristian Camilo (4483537) (1818)	1	-	1. d4 Nf6 2. c4 g6 3. Nc3 d5
2025.06.28	IRT Clasico Kallpa Open 2025	3	2025.06.28 Torres Hernandez, Deivy Santiago (4498968) (1676)	1	-	1. d4 d5 2. c4 e6 3. Nc3 Nf6
2025.06.26	Round 1: Franco Torres, Jeronimo - Obando Guzman, Soren Federico	1.4	2025.06.26 Franco Torres, Jeronimo (144447612) (1655)	0	86.60%	1. e4 c5 2. Nf3 e6 3. d4 cxd4
2025.06.15	Round 7: Mena Cordoba, Yamil Octavio - Obando Guzman, Soren Federico	7.5	2025.06.15 Mena Cordoba, Yamil Octavio (4422376) (1989)	0	-
2025.06.15	Round 6: Obando Guzman, Soren Federico - Segura Bejarano, Fabio	6.7	2025.06.15 Segura Bejarano, Fabio (4490118) (1778)	1	95.20%	1. Nf3 g6 2. g3 Bg7 3. Bg2 c6
2025.06.15	Round 5: Castro Lombana, Juan Pablo - Obando Guzman, Soren Federico	5.3	2025.06.15 Castro Lombana, Juan Pablo (144402147) (2186)	0	70.90%	1. e4 c5 2. Nf3 d6 3. c3 Nf6
2025.06.15	Round 4: Obando Guzman, Soren Federico - Rodriguez Sanchez, Diego Eduardo	4.6	2025.06.15 Rodriguez Sanchez, Diego Eduardo (4421230) (2012)	1	93.80%	1. d4 d5 2. c4 e6 3. Nf3 Nf6
2025.06.15	Round 3: Rodriguez Munoz, Cesar Esteban - Obando Guzman, Soren Federico	3.2	2025.06.15 Rodriguez Munoz, Cesar Esteban (4462211) (1923)	½	79.70%	1. d4 Nf6 2. Nf3 g6 3. c4 Bg7
2025.06.15	Round 2: Obando Guzman, Soren Federico - Castillo, Samir	2.2	2025.06.15 Castillo, Samir (22797530) (1802)	1	93.60%	1. d4 Nf6 2. c4 g6 3. Nc3 Bg7
2025.06.15	Round 1: Angulo Ricardo, Milton - Obando Guzman, Soren Federico	1.2	2025.06.15 Angulo Ricardo, Milton (4497651) (1730)	1	95.70%	1. d4 Nf6 2. Nf3 e6 3. Bg5 h6
2025.06.08	Round 7: Obando Guzman, Soren Federico - Mesa Baez, Samuel	7.2	2025.06.08 Mesa Baez, Samuel (4451848) (2050)	1	95.10%	1. d4 Nf6 2. c4 g6 3. Nc3 Bg7
2025.06.08	Round 6: Pabon Sarmiento, David - Obando Guzman, Soren Federico	6.2	2025.06.08 Pabon Sarmiento, David (4408225) (1882)	1	89.70%	1. e4 c5 2. Nf3 d6 3. d4 cxd4
2025.06.08	Round 5: Obando Guzman, Soren Federico - Montilla Rodriguez, Camilo	5.3	2025.06.08 Montilla Rodriguez, Camilo (144424590) (1736)	1	92.20%	1. Nf3 c6 2. g3 Nf6 3. c4 d5
2025.06.08	Round 4: Mena Cordoba, Yamil Octavio - Obando Guzman, Soren Federico	4.1	2025.06.08 Mena Cordoba, Yamil Octavio (4422376) (1989)	0	79.80%	1. e4 c5 2. Nf3 d6 3. d4 cxd4
2025.06.08	Round 3: Obando Guzman, Soren Federico - Gutierrez Pinzon, Cristian Gustavo	3.1	2025.06.08 Gutierrez Pinzon, Cristian Gustavo (4433963) (1837)	1	93.10%	1. Nf3 c6 2. g3 d5 3. Bg2 Nf6
2025.06.08	Round 1: Obando Guzman, Soren Federico - Rua, Nora	1.1	2025.06.08 Rua Palacio, Nora (4401930) (1716)	1	-	1. Nf3 Nf6 2. d4 d5 3. c4 e6
2025.06.07	Round 2: Casares Contreras, Jose Gabriel - Obando Guzman, Soren Federico	2.1	2025.06.07 Casares Contreras, Jose Gabriel (3960315) (1815)	1	91.50%	1. e4 c5 2. Nf3 e6 3. d4 cxd4
2025.05.24	Round 7: Andrade Salcedo, Jorge Mario - Obando Guzman, Soren Federico	7.2	2025.05.24 Andrade Salcedo, Jorge Mario (4494997) (1996)	1	94.70%	1. d4 Nf6 2. Nf3 e6 3. g3 c5
2025.05.24	Round 6: Obando Guzman, Soren Federico - Bolanos Lopez, Juan Jacobo	6.3	2025.05.24 Bolanos Lopez, Juan Jacobo (4495276) (2070)	1	92.10%	1. d4 d5 2. c4 e6 3. Nf3 Nf6
2025.05.23	Round 4: Obando Guzman, Soren Federico - Valle, Efrain	4.2	2025.05.23 Valle, Efrain (4401387) (2038)	1	98.10%	1. d4 Nf6 2. Nf3 e6 3. g3 d5
2025.05.22	Round 3: Cuesta Cifuentes, Jair Alfonso - Obando Guzman, Soren Federico	3.3	2025.05.22 Cuesta Cifuentes, Jair Alfonso (4406575) (2030)	1	92.70%	1. d4 Nf6 2. c4 e6 3. Nf3 b6
2025.05.22	Round 2: Obando Guzman, Soren Federico - Luna Velandia, Juan Sebastian	2.3	2025.05.22 Luna Velandia, Juan Sebastian (4454448) (2020)	½	90.80%	1. d4 Nf6 2. c4 g6 3. Nc3 Bg7
2025.05.21	Round 5: Dominguez, Ramiro - Obando Guzman, Soren Federico	5.1	2025.05.21 Dominguez, Ramiro (4420055) (2185)	0	87.40%	1. e4 c5 2. Ne2 Nf6 3. Nbc3 d5
2025.05.01	Round 7: Obando Guzman, Soren Federico - Guevara Rincon, Cristian Camilo	7.8	2025.05.01 Guevara Rincon, Cristian Camilo (4483537) (1812)	½	-	1. d4 Nf6 2. c4 g6 3. Nc3 d5
2025.05.01	Round 6: Ayala Delgado, Sergio Alejandro - Obando Guzman, Soren Federico	6.4	2025.05.01 Ayala Delgado, Sergio Alejandro (4496396) (1972)	0	-	1. d4 Nf6 2. c4 g6 3. Nc3 c5
2025.05.01	Round 5: Obando Guzman, Soren Federico - Gomez, Jorge Leonardo	5.6	2025.05.01 Gomez, Jorge Leonardo (4426991) (1826)	1	90.10%	1. d4 f5 2. c4 Nf6 3. Nc3 e6
2025.05.01	Round 4: Rubio Junguito, Andres - Obando Guzman, Soren Federico	4.8	2025.05.01 Rubio Junguito, Andres (4411463) (1863)	1	59.10%	1. d4 Nf6 2. Nf3 c5 3. d5 g6
2025.05.01	Round 3: Obando Guzman, Soren Federico - Gonzalez Mojica, Renan Arturo	3.1	2025.05.01 Gonzalez Mojica, Renan Arturo (4482379) (1994)	0	-	1. d4 Nf6 2. c4 g6 3. Nc3 Bg7
2025.05.01	Round 2: Marulanda, Carlos Andres - Obando Guzman, Soren Federico	2.1	2025.05.01 Marulanda, Carlos Andres (4428129) (1836)	1	50.30%	1. Nf3 Nf6 2. c4 e6 3. d4 b6
2025.05.01	Round 1: Obando Guzman, Soren Federico - Naranjo Rodriguez, Miguel Angel	1.1	2025.05.01 Naranjo Rodriguez, Miguel Angel (144433557) (1662)	1	94.70%	1. d4 d5 2. c4 c6 3. Nf3 Nf6
2025.04.27	Round 7: Luna Velandia, Juan Sebastian - Obando Guzman, Soren Federico	7.3	2025.04.27 Luna Velandia, Juan Sebastian (4454448) (2101)	1	88.50%	1. e4 c5 2. Nf3 d6 3. d4 cxd4
2025.04.27	Round 6: Obando Guzman, Soren Federico - Chaucanes, Lina Marcela	6.4	2025.04.27 Chaucanes, Lina Marcela (4402626) (1887)	1	97.80%	1. d4 Nf6 2. c4 g6 3. Nc3 Bg7
2025.04.27	Round 5: Melo Ramirez, Marlon Roman - Obando Guzman, Soren Federico	5.7	2025.04.27 Melo Ramirez, Marlon Roman (4427068) (1877)	1	-	1. c4 g6 2. Nc3 Bg7 3. g3 c5
2025.04.27	Round 4: Obando Guzman, Soren Federico - Guerrero, Javier Eduardo	4.1	2025.04.27 Guerrero, Javier Eduardo (4417801) (2043)	0	86.40%	1. Nf3 c5 2. b3 Nf6 3. Bb2 g6
2025.04.27	Round 3: Castillo Rodriguez, Edward Andres - Obando Guzman, Soren Federico	3.1	2025.04.27 Castillo Rodriguez, Edward Andres (4497694) (1976)	1	-	1. c4 c5 2. Nf3 g6 3. g3 Bg7
2025.04.27	Round 2: Obando Guzman, Soren Federico - Ladino Hernandez, Angel Joel	2.2	2025.04.27 Ladino Hernandez, Angel Joel (4496701) (1833)	1	-	1. Nf3 Nf6 2. c4 g6 3. g3 Bg7
2025.04.27	Round 1: Gomez Boada, Alfredo - Obando Guzman, Soren Federico	1.2	2025.04.27 Gomez Boada, Alfredo (4432509) (1695)	1	92.40%	1. e4 c5 2. Nc3 Nc6 3. Bc4 Na5
2024.12.22	Round 6: Obando Guzman, Soren Federico - Ferreira Angarita, Fabio Alexander	6.12	2024.12.22 Ferreira Angarita, Fabio Alexander (144423268) (1957)	1	85.50%	1. Nc3 d5 2. d4 Nf6 3. Bg5 Nbd7
2024.12.22	Round 7: Castillo Rodriguez, Edward Andres - Obando Guzman, Soren Federico	7.7	2024.12.22 Castillo Rodriguez, Edward Andres (4497694) (2051)	1	84.80%	1. Nf3 d5 2. d4 Nf6 3. g3 Bg4
2024.12.22	Round 5: Claverie, Raul - Obando Guzman, Soren Federico	5.4	2024.12.22 Claverie, Raul (110833) (2458)	0	84.50%	1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7
2024.12.22	Round 4: Obando Guzman, Soren Federico - Mena Cordoba, Yamil Octavio	4.7	2024.12.22 Mena Cordoba, Yamil Octavio (4422376) (2001)	1	82.80%	1. Nf3 f5 2. d4 e6 3. Bg5 Be7
2024.12.22	Round 3: Rodriguez Sanchez, Diego Eduardo - Obando Guzman, Soren Federico	3.4	2024.12.22 Rodriguez Sanchez, Diego Eduardo (4421230) (1939)	½	86.50%	1. d4 Nf6 2. Bf4 g6 3. Nc3 d5
2024.12.22	Round 2: Obando Guzman, Soren Federico - Casas Ospina, Favio	2.4	2024.12.22 Casas Ospina, Favio (4440250) (1816)	*	94.90%	1. d4 Nf6 2. Nc3 d5 3. Bg5 Ne4
2024.12.22	Round 1: Torres Millan, Kevin Gilberto - Obando Guzman, Soren Federico	1.4	2024.12.22 Torres Millan, Kevin Gilberto (144426283) (1672)	1	87.60%	1. e4 c5 2. Nf3 e6 3. d4 cxd4
2024.12.08	Round 9: Pinzon, Jairo David - Obando Guzman, Soren Federico	9.7	2024.12.08 Pinzon, Jairo David (4404386) (2062)	1	92.70%	1. e3 c5 2. b3 d5 3. Bb2 a6
2024.12.08	Round 8: Obando Guzman, Soren Federico - Arrieta Hernandez, Cristian	8.2	2024.12.08 Arrieta Hernandez, Cristian (4455207) (2282)	0	90.10%	1. d4 e6 2. c4 d5 3. Nf3 f5
2024.12.07	Round 7: Dominguez Rincon, Miller Duvan - Obando Guzman, Soren Federico	7.6	2024.12.07 Dominguez Rincon, Miller Duvan (4406583) (1999)	1	95.80%	1. d4 Nf6 2. c4 e6 3. Nf3 b6
2024.12.07	Round 6: Obando Guzman, Soren Federico - Cifuentes Camacho, Miguel Angel	6.7	2024.12.07 Cifuentes Camacho, Miguel Angel (4481615) (1980)	1	86.10%	1. d4 Nf6 2. c4 e6 3. Nf3 b6
2024.12.06	Round 5: Estrella Becerra, Fernando - Obando Guzman, Soren Federico	5.9	2024.12.06 Estrella Becerra, Fernando (4420900) (1869)	1	93.40%	1. c4 e5 2. Nc3 Nf6 3. g3 c6
2024.12.06	Round 4: Obando Guzman, Soren Federico - Blanco Fernandez, Lino Orlando	4.1	2024.12.06 Blanco Fernandez, Lino Orlando (3504395) (2297)	0	86.10%	1. Nf3 Nf6 2. g3 c5 3. Bg2 d5
2024.12.05	Round 3: Castro Diaz, Erick Andrey - Obando Guzman, Soren Federico	3.9	2024.12.05 Castro Diaz, Erick Andrey (4445031) (1872)	1	95.90%	1. e4 c5 2. Bc4 e6 3. Nf3 Nc6
2024.12.05	Round 2: Obando Guzman, Soren Federico - Figueroa Rincon, Cesar Fabian	2.10	2024.12.05 Figueroa Rincon, Cesar Fabian (144400748) (1830)	1	95.30%	1. d4 Nf6 2. Nf3 e6 3. c4 d5
2024.12.04	Round 1: Angulo Ricardo, Milton - Obando Guzman, Soren Federico	1.10	2024.12.04 Angulo Ricardo, Milton (4497651) (1699)	1	93.10%	1. d4 Nf6 2. Nf3 e6 3. Bg5 h6
2024.09.21	Round 7: Obando Guzman, Soren Federico - Ospina Castro, Santiago	7.8	2024.09.21 Ospina Castro, Santiago (4443160) (2106)	0	89.60%	1. Nf3 d5 2. g3 c5 3. Bg2 g6
2024.09.21	Round 6: Ramirez, Carlos - Obando Guzman, Soren Federico	6.9	2024.09.21 Ramirez, Carlos (4400127) (2142)	1	94.40%	1. d4 Nf6 2. c4 e6 3. Nf3 b6
2024.09.20	Round 5: Obando Guzman, Soren Federico - Gonzalez Mojica, Renan Arturo	5.10	2024.09.20 Gonzalez Mojica, Renan Arturo (4482379) (2000)	0	88.00%	1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7
2024.09.20	Round 4: Mora Munoz, Alejandro - Obando Guzman, Soren Federico	4.12	2024.09.20 Mora Munoz, Alejandro (4469844) (2092)	1	94.50%	1. e4 c5 2. Nf3 d6 3. d4 cxd4
2024.09.19	Round 3: Gutierrez Herrera, Jose Antonio - Obando Guzman, Soren Federico	3.13	2024.09.19 Gutierrez Herrera, Jose Antonio (4400100) (1971)	1	92.20%	1. c4 c5 2. Nc3 g6 3. Nf3 Bg7
2024.09.18	Round 1: Obando Guzman, Soren Federico - Rivera, Alberto	1.4	2024.09.18 Rivera, Alberto (3500390) (2290)	0	88.20%	1. Nf3 Nf6 2. g3 d5 3. c4 c6
2024.06.25	Round 5: Obando Guzman, Soren Federico - Burgos Munoz, Harold Andres	5.8	2024.06.25 Burgos Munoz, Harold Andres (4497660) (1871)	1	93.00%	1. Nf3 b6 2. g3 Bb7 3. Bg2 Nf6
2024.06.25	Round 4: Obando Guzman, Soren Federico - Salazar Perez, Nicolas David	4.13	2024.06.25 Salazar Perez, Nicolas David (144418450) (1718)	1	92.60%	1. Nc3 e5 2. Nf3 Nc6 3. d4 exd4
2024.06.25	Round 7: Chaucanes, Lina Marcela - Obando Guzman, Soren Federico	7.2	2024.06.25 Chaucanes, Lina Marcela (4402626) (1959)	1	84.70%	1. e4 c5 2. c3 Nf6 3. e5 Nd5
2024.06.25	Round 6: Ferreira Angarita, Fabio Alexander - Obando Guzman, Soren Federico	6.4	2024.06.25 Ferreira Angarita, Fabio Alexander (144423268) (1992)	1	88.50%	1. d4 Nf6 2. c4 g6 3. Nc3 c5
2024.06.25	Round 3: Acuna Romero, Vladimir - Obando Guzman, Soren Federico	3.22	2024.06.25 Acuna Romero, Vladimir (4459342) (1857)	1	88.70%	1. e4 c5 2. Nc3 a6 3. f4 b5
2024.06.25	Round 2: Naranjo Diaz, Juan Felipe - Obando Guzman, Soren Federico	2.3	2024.06.25 Naranjo Diaz, Juan Felipe (144406274) (1778)	0	85.20%	1. e4 c5 2. c3 Nf6 3. e5 Nd5
2024.06.25	Round 1: Obando Guzman, Soren Federico - Camacho Bernal, Juan Esteban	1.3	2024.06.25 Camacho Bernal, Juan Esteban (144424515) (1559)	1	97.60%	1. Nc3 Nc6 2. d4 e5 3. Nf3 d6
2023.10.16	Round 10: Henry Panesso Rivera - Soren Federico Obando Guzman		2023.10.16 Henry Panesso Rivera (2360)	0	91.00%	1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7
2023.10.16	Round 9: Soren Federico Obando Guzman - Daniel Fernando Palomino Escobar		2023.10.16 Daniel Fernando Palomino Escobar (1865)	1	96.90%	1. d4 d5 2. c4 e6 3. Nf3 Nf6
2023.10.15	Round 8: Alejandro Rios Parra - Soren Federico Obando Guzman		2023.10.15 Alejandro Rios Parra (2185)	½	94.10%	1. e4 c5 2. Nf3 d6 3. d4 cxd4
2023.10.15	Round 7: Soren Federico Obando Guzman - Anthony Javier Paredes Lagos		2023.10.15 Anthony Javier Paredes Lagos (2362)	0	78.90%	1. Nf3 c5 2. g3 Nc6 3. b3 d5
2023.10.14	Round 6: Soren Federico Obando Guzman - Brayan Steven Chavez		2023.10.14 Brayan Steven Chavez (1975)	1	91.60%	1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7
2023.10.14	Round 5: Angel Gabriel Cordoba Roa - Soren Federico Obando Guzman		2023.10.14 Angel Gabriel Cordoba Roa (2285)	0	85.10%	1. e4 c5 2. Nf3 d6 3. d4 cxd4
2023.10.13	Round 4: Soren Federico Obando Guzman - Miguel Angel Garavito		2023.10.13 Miguel Angel Garavito (2280)	1	87.20%	1. d4 Nf6 2. Bg5 Ne4 3. Bf4 d5
2023.10.13	Round 1: Jenny Astrid Chirivi C - Soren Federico Obando Guzman		2023.10.13 Jenny Astrid Chirivi C (2173)	1	92.00%	1. d4 Nf6 2. c4 e6 3. Nc3 Bb4
2023.10.13	Round 3: Jenny Astrid Chirivi C - Soren Federico Obando Guzman		2023.10.13 Jenny Astrid Chirivi C (2173)	*	97.80%	1. d4 Nf6 2. c4 e6 3. Nc3 Bb4
2023.10.12	Round 2: Soren Federico Obando Guzman - Wilson Guillermo Palencia Morales		2023.10.12 Wilson Guillermo Palencia Morales (2307)	*	85.10%	1. d4 d5 2. c4 dxc4 3. Nf3 Nf6
2023.08.07	Round 9: Silvana Pinillo Canon - Soren Federico Obando Guzman		2023.08.07 Silvana Pinillo Canon	1	92.30%	1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7
2023.08.07	Round 8: Soren Federico Obando Guzman - Darvi Abraham Crispin Ferreras		2023.08.07 Darvi Abraham Crispin Ferreras	0	80.50%	1. d4 Nf6 2. c4 e6 3. Nf3 d5
2023.08.06	Round 7: Helvert Hernandez Pinzon - Soren Federico Obando Guzman		2023.08.06 Helvert Hernandez Pinzon	½	54.00%	1. e4 c5 2. Nf3 d6 3. d4 cxd4
2023.08.06	Round 6: Soren Federico Obando Guzman - Wilson Guillermo Palencia Morales		2023.08.06 Wilson Guillermo Palencia Morales	0	84.70%	1. d4 d5 2. c4 dxc4 3. Nf3 Nf6
2023.08.05	Round 5: Nobel Alfredo Guarin Fonseca - Soren Federico Obando Guzman		2023.08.05 Nobel Alfredo Guarin Fonseca	1	95.40%	1. Nf3 g6 2. d4 Bg7 3. g3 b6
2023.08.05	Round 4: Soren Federico Obando Guzman - Fredy Alexander Jaimes		2023.08.05 Fredy Alexander Jaimes	1	94.20%	1. Nf3 d5 2. g3 Nf6 3. Bg2 c5
2023.08.05	Round 3: Jorge Luis Baules Rodriguez - Soren Federico Obando Guzman		2023.08.05 Jorge Luis Baules Rodriguez	0	88.00%	1. e4 c5 2. Nc3 a6 3. Nf3 d6
2023.08.04	Round 2: Soren Federico Obando Guzman - Juan Manuel Cuervo Velasquez		2023.08.04 Juan Manuel Cuervo Velasquez	1	92.80%	1. Nf3 Nf6 2. g3 g6 3. b3 Bg7
2023.07.21	Round 6: Nicolas Cuellar Canosa - Soren Federico Obando Guzman		2023.07.21 Nicolas Cuellar Canosa	0	78.00%	1. e4 c5 2. Nf3 d6 3. d4 cxd4
2023.07.21	Round 5: Soren Federico Obando Guzman - Juan Sebastian Luna Velandia		2023.07.21 Juan Sebastian Luna Velandia	1	96.00%	1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7
2023.07.20	Round 4: Sofia Alejandra Largo Chaparro - Soren Federico Obando Guzman		2023.07.20 Sofia Alejandra Largo Chaparro	1	95.40%	1. e4 c5 2. Nf3 e6 3. d4 cxd4