Player profile
Guevara Ruiz, Marvin Andres
Dossier
92 of 107 games analyzed.
Accuracy: 87.9%
Opened e4: 35/44Opened d4: 6/44Opened c4: 3/44
Castled kingside: 69Same-side castling: 63Did not castle: 11Opposite-side castling: 4Castled queenside: 4
Played in the center: 28Fianchettoed kingside: 22Played on the kingside: 18Played on the queenside: 17Fianchettoed queenside: 15
Active pieces: 55Sacrificed material: 49Kept the bishop pair: 49Space advantage: 48Backward pawn: 47Initiated exchanges: 47Isolated pawn: 33Missed tactics: 24Avoided exchanges: 16Played gambits: 11
Openings
Click "+" to add that group to the games list below. Multiple groups can be added at once.
As White 51 games 23W 13D 15L
Sicilian Defense 21 games 7W 6D 8L
Lasker-Pelikan Variation 3 games 0W 1D 2L
Sveshnikov Variation, Chelyabinsk Variation
3 games
0W
1D
2L
Najdorf Variation 3 games 1W 0D 2L
Opocensky Variation
2 games
1W
0D
1L
Opocensky Variation, Modern Line
1 game
0W
0D
1L
Modern Variations 2 games 1W 1D 0L
(unspecified)
2 games
1W
1D
0L
Alapin Variation 2 games 0W 1D 1L
Barmen Defense
2 games
0W
1D
1L
Four Knights Variation 2 games 1W 0D 1L
(unspecified)
2 games
1W
0D
1L
Classical Variation 2 games 0W 2D 0L
(unspecified)
2 games
0W
2D
0L
Accelerated Dragon 2 games 1W 0D 1L
Maróczy Bind
2 games
1W
0D
1L
Scheveningen Variation 1 game 1W 0D 0L
Classical Variation
1 game
1W
0D
0L
Chekhover Variation 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Kan Variation 1 game 1W 0D 0L
Modern Variation
1 game
1W
0D
0L
Kalashnikov Variation 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
Löwenthal Variation 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Caro-Kann Defense 7 games 4W 1D 2L
Advance Variation 4 games 3W 1D 0L
(unspecified)
2 games
1W
1D
0L
Tal Variation
2 games
2W
0D
0L
Maróczy Variation 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Panov Attack 1 game 0W 0D 1L
Modern Defense
1 game
0W
0D
1L
Exchange Variation 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
French Defense 7 games 4W 1D 2L
Rubinstein Variation 2 games 2W 0D 0L
(unspecified)
1 game
1W
0D
0L
Fort Knox Variation
1 game
1W
0D
0L
Classical Variation 2 games 0W 1D 1L
Burn Variation
2 games
0W
1D
1L
Hecht-Reefschläger Variation 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Paulsen Variation 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
McCutcheon Variation 1 game 0W 0D 1L
Lasker Variation
1 game
0W
0D
1L
Italian Game 4 games 3W 0D 1L
Classical Variation 3 games 2W 0D 1L
Giuoco Pianissimo, with a4 a5
1 game
1W
0D
0L
Giuoco Pianissimo, with h6
1 game
1W
0D
0L
Giuoco Pianissimo
1 game
0W
0D
1L
Two Knights Defense 1 game 1W 0D 0L
Modern Bishop's Opening
1 game
1W
0D
0L
Bogo-Indian Defense 2 games 0W 1D 1L
Retreat Variation 2 games 0W 1D 1L
(unspecified)
2 games
0W
1D
1L
King's Indian Defense 2 games 1W 1D 0L
Orthodox Variation 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Makogonov Variation 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
Catalan Opening 2 games 0W 1D 1L
Open Defense 2 games 0W 1D 1L
(unspecified)
1 game
0W
0D
1L
Classical Line
1 game
0W
1D
0L
Pirc Defense 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Modern Defense 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
Neo-Grünfeld Defense 1 game 0W 1D 0L
with g3 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
Queen's Pawn Game 1 game 1W 0D 0L
Symmetrical Variation 1 game 1W 0D 0L
Pseudo-Catalan
1 game
1W
0D
0L
Richter-Veresov Attack 1 game 1W 0D 0L
Richter Variation 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
King's Pawn Game 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
As Black 47 games 15W 11D 21L
Sicilian Defense 21 games 8W 3D 10L
Kan Variation 4 games 2W 0D 2L
Modern Variation
2 games
1W
0D
1L
Knight Variation
1 game
0W
0D
1L
Maróczy Bind, Réti Variation
1 game
1W
0D
0L
Nyezhmetdinov-Rossolimo Attack 4 games 1W 0D 3L
(unspecified)
2 games
0W
0D
2L
Fianchetto Variation
2 games
1W
0D
1L
Old Sicilian 3 games 0W 0D 3L
(unspecified)
3 games
0W
0D
3L
Taimanov Variation 2 games 1W 1D 0L
(unspecified)
1 game
0W
1D
0L
Bastrikov Variation
1 game
1W
0D
0L
Closed 2 games 0W 1D 1L
(unspecified)
1 game
0W
1D
0L
Traditional
1 game
0W
0D
1L
Delayed Alapin Variation 1 game 1W 0D 0L
with e6
1 game
1W
0D
0L
Kalashnikov Variation 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Grand Prix Attack 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Smith-Morra Gambit Accepted 1 game 1W 0D 0L
Kan Formation
1 game
1W
0D
0L
Alapin Variation 1 game 0W 1D 0L
Smith-Morra Declined
1 game
0W
1D
0L
Czerniak Attack 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
English Opening 3 games 0W 1D 2L
Caro-Kann Defensive System 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
Neo-Catalan 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Agincourt Defense 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Queen's Pawn Game 3 games 0W 2D 1L
Symmetrical Variation 1 game 0W 1D 0L
Pseudo-Catalan
1 game
0W
1D
0L
(unspecified) 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
London System 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
Catalan Opening 3 games 1W 1D 1L
Closed 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
(unspecified) 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
Open Defense 1 game 1W 0D 0L
Classical Line
1 game
1W
0D
0L
Philidor Defense 2 games 1W 0D 1L
Lion Variation 2 games 1W 0D 1L
(unspecified)
2 games
1W
0D
1L
Indian Defense 2 games 1W 1D 0L
(unspecified) 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
Spielmann-Indian 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Tarrasch Defense 2 games 1W 0D 1L
Symmetrical Variation 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Two Knights Variation 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Queen's Gambit Declined 1 game 0W 0D 1L
Charousek Variation 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Benoni Defense 1 game 0W 0D 1L
Knight's Tour Variation 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Réti Opening 1 game 0W 1D 0L
Anglo-Slav Variation 1 game 0W 1D 0L
with g3
1 game
0W
1D
0L
Caro-Kann Defense 1 game 0W 1D 0L
Two Knights Attack 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
Pirc Defense 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Queen's Gambit Accepted 1 game 1W 0D 0L
Classical Defense 1 game 1W 0D 0L
Rubinstein Variation
1 game
1W
0D
0L
Rat Defense 1 game 0W 0D 1L
Harmonist 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Zukertort Opening 1 game 1W 0D 0L
Sicilian Invitation 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
French Defense 1 game 0W 0D 1L
Steiner Variation 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Rapport-Jobava System 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
King's Indian Attack 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
Blunders Top 4 of 415
This player's costliest moves in analyzed games. Can you find the winning move?
Games Showing all 107 games
| Date | Event | Round | Color | Opponent | Result | Accuracy % | First moves |
|---|---|---|---|---|---|---|---|
| 2026.09.27 | Olymp 2026 Open | 11.244 | 2026.09.27 Anas Khwaira (8117683) (2210) | 0 | 81.80% | 1. d4 d5 2. c4 e6 3. Nc3 Be7 | |
| 2026.09.25 | Olymp 2026 Open | 9.248 | 2026.09.25 Zaman Sohail (7812744) (1935) | 0 | 86.20% | 1. d4 Nf6 2. c4 c5 3. d5 e6 | |
| 2026.09.24 | Olymp 2026 Open | 8.12 | 2026.09.24 Laylo, Darwin (5201330) (2347) | ½ | 90.20% | 1. c4 c6 2. Nf3 Nf6 3. Nc3 d5 | |
| 2026.09.23 | Olymp 2026 Open | 7.132 | 2026.09.23 Ashwath Kaushik (33387230) (2303) | 0 | 92.50% | 1. d4 Nf6 2. Nf3 d5 3. c4 e6 | |
| 2026.09.20 | Olymp 2026 Open | 5.260 | 2026.09.20 Amako, Marc Arnold (20802676) (1915) | 1 | 92.20% | 1. e4 d6 2. d4 Nf6 3. Nc3 e5 | |
| 2026.09.19 | Olymp 2026 Open | 4.20 | 2026.09.19 Nikolovski, Nikola (15002314) (2393) | ½ | 92.00% | 1. e4 g6 2. d4 Bg7 3. c4 c5 | |
| 2026.09.18 | Olymp 2026 Open | 3.216 | 2026.09.18 Smirin, Ilia (2801990) (2578) | 0 | 89.10% | 1. e4 c5 2. Nf3 e6 3. d4 cxd4 | |
| 2026.09.17 | Olymp 2026 Open | 2.28 | 2026.09.17 Espinosa Veloz, Ermes (3507424) (2460) | ½ | 97.40% | 1. d4 d5 2. Nf3 Nf6 3. g3 Bf5 | |
| 2026.09.11 | Round 2: Guevara Ruiz, Marvin Andres - Cordero Medrano, Dennis Matheus | 2.4 | 2026.09.11 Cordero Medrano, Dennis Matheus (7308159) (1774) | 0 | 86.90% | 1. e4 c6 2. d4 d5 3. f3 dxe4 | |
| 2026.09.11 | Round 1: Juarez Meza, Brayan - Guevara Ruiz, Marvin Andres | 1.5 | 2026.09.11 Juarez Meza, Brayan (8409633) (1789) | 0 | - | ||
| 2026.09.10 | Round 5: Lopez Escobar, Jose David - Guevara Ruiz, Marvin Andres | 5.11 | 2026.09.10 Lopez Escobar, Jose David (7304862) (2047) | ½ | 93.50% | 1. c4 c6 2. g3 d5 3. Bg2 Nf6 | |
| 2026.09.09 | Round 4: Guevara Ruiz, Marvin Andres - Fabrega Van Der Laat, Jose Bernardo | 4.2 | 2026.09.09 Fabrega Van Der Laat, Jose Bernardo (6609686) (1998) | 0 | 74.70% | 1. c4 c6 2. e4 d5 3. exd5 cxd5 | |
| 2026.09.09 | Round 3: Guevara Ruiz, Marvin Andres - Zhen Cen, Jia Jun | 3.12 | 2026.09.09 Zhen Cen, Jia Jun (6556264) (1605) | ½ | 87.80% | 1. e4 c5 2. Nf3 d6 3. Nc3 Nf6 | |
| 2026.09.08 | Round 2: Jimenez Lopez, Javier Jesus - Guevara Ruiz, Marvin Andres | 2.7 | 2026.09.08 Jimenez Lopez, Javier Jesus (6110045) (1666) | 1 | - | 1. e4 c5 2. Nf3 e6 3. c3 d5 | |
| 2026.09.08 | Round 1: Guevara Ruiz, Marvin Andres - Puerto, Victor | 1.6 | 2026.09.08 Puerto, Victor (8414645) (1691) | 1 | - | 1. c4 Nf6 2. Nc3 g6 3. e4 d6 | |
| 2026.08.30 | Round 7: Guevara Ruiz, Marvin Andres - Juarez Meza, Brayan | 7.3 | 2026.08.30 Juarez Meza, Brayan (8409633) (1800) | 1 | 87.30% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2026.08.29 | Round 6: Arias, Lemnys A. - Guevara Ruiz, Marvin Andres | 6.1 | 2026.08.29 Arias, Lemnys A. (6700284) (2209) | 0 | - | 1. e4 d6 2. d4 Nf6 3. Nc3 e5 | |
| 2026.08.29 | Round 5: Guevara Ruiz, Marvin Andres - Guevara Sanchez, Erick Marvin | 5.2 | 2026.08.29 Guevara Sanchez, Erick Marvin (6700136) (2067) | 1 | 85.60% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2026.08.29 | Round 4: Guevara Ruiz, Santiago Jose - Guevara Ruiz, Marvin Andres | 4.3 | 2026.08.29 Guevara Ruiz, Santiago Jose (6708870) (2121) | ½ | 97.80% | 1. e4 c6 2. Nf3 d5 3. Nc3 dxe4 | |
| 2026.08.29 | Round 3: Guevara Ruiz, Marvin Andres - Alonzo, Jose | 3.3 | 2026.08.29 Alonzo, Jose (8402361) (1940) | 1 | 92.70% | 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 | |
| 2026.08.29 | Round 2: Gradiz Menjivar, Oscar - Guevara Ruiz, Marvin Andres | 2.4 | 2026.08.29 Gradiz Menjivar, Oscar (8410046) (1776) | 1 | 92.10% | 1. e4 c5 2. Nf3 e6 3. d4 cxd4 | |
| 2026.08.29 | Round 1: Guevara Ruiz, Marvin Andres - Esquivel Noriega, Emilio Alejandro | 1.4 | 2026.08.29 Esquivel Noriega, Emilio Alejandro (7308868) (1576) | 1 | 98.10% | 1. e4 c5 2. Nf3 e6 3. d4 cxd4 | |
| 2026.08.09 | Round 9: Guevara Ruiz, Marvin Andres - Martinez Flores, Matias | 9.10 | 2026.08.09 Martinez Flores, Matias (5174309) (1934) | 0 | 79.10% | 1. e4 c5 2. c3 d5 3. exd5 Qxd5 | |
| 2026.08.08 | Round 8: Leal Escamilla, Daniel Zinedine - Guevara Ruiz, Marvin Andres | 8.8 | 2026.08.08 Leal Escamilla, Daniel Zinedine (5169810) (1992) | 0 | 81.10% | 1. e4 c5 2. Nf3 Nc6 3. Nc3 e6 | |
| 2026.08.08 | Round 7: Guevara Ruiz, Marvin Andres - Ramirez, Daniel | 7.10 | 2026.08.08 Ramirez, Daniel (8410259) (1975) | 1 | 97.30% | 1. e4 c5 2. Nf3 d6 3. Nc3 Nf6 | |
| 2026.08.07 | Round 6: Patel, Maahir M - Guevara Ruiz, Marvin Andres | 6.7 | 2026.08.07 Patel, Maahir M (30995612) (2192) | 0 | 82.20% | 1. e4 c5 2. Nf3 e6 3. d4 cxd4 | |
| 2026.08.06 | Round 5: Guevara Ruiz, Marvin Andres - Huallpa Fernandez, Hector Manuel | 5.5 | 2026.08.06 Huallpa Fernandez, Hector Manuel (3858880) (2025) | ½ | 91.30% | 1. e4 c5 2. Nf3 e6 3. d4 cxd4 | |
| 2026.08.06 | Round 4: Zacarias Rodriguez, Santiago - Guevara Ruiz, Marvin Andres | 4.2 | 2026.08.06 Zacarias Rodriguez, Santiago (5148367) (2208) | 0 | 92.10% | 1. e4 d6 2. d4 Nf6 3. Nd2 e5 | |
| 2026.08.05 | Round 3: Guevara Ruiz, Marvin Andres - Quesada Fallas, Esteban | 3.6 | 2026.08.05 Quesada Fallas, Esteban (6513743) (2033) | 1 | 96.70% | 1. e4 c5 2. Nf3 e6 3. d4 cxd4 | |
| 2026.08.04 | Round 2: Jain, Aayush - Guevara Ruiz, Marvin Andres | 2.8 | 2026.08.04 Jain, Aayush (7404697) (1944) | 1 | 57.10% | 1. e4 d6 2. d4 Nf6 3. Nc3 e5 | |
| 2026.08.04 | Round 1: Guevara Ruiz, Marvin Andres - Gavarrete, Jonathan Ariel | 1.9 | 2026.08.04 Gavarrete, Jonathan Ariel (8407398) (1598) | 1 | 91.90% | 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 | |
| 2026.07.04 | Round 9: Guevara Ruiz, Marvin Andres - Medrano, Daniel | 9.3 | 2026.07.04 Medrano, Daniel (6703402) (1865) | ½ | 87.00% | 1. d4 d5 2. Nf3 Nf6 3. g3 g6 | |
| 2026.06.27 | Round 7: Guevara Ruiz, Marvin Andres - Garcia, Angie | 7.3 | 2026.06.27 Garcia, Angie (6702503) (2001) | 1 | 76.90% | 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 | |
| 2026.06.22 | Round 6: Fang Juan - Guevara Ruiz, Marvin Andres | 6.4 | 2026.06.22 Fang Juan (6708854) (1933) | 1 | - | 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 | |
| 2026.06.20 | Round 5: Zabdiel Neftaly Torres Perez - Guevara Ruiz, Marvin Andres | 5.7 | 2026.06.20 Zabdiel Neftaly Torres Perez (6709613) (1780) | 1 | 95.60% | 1. d4 d5 2. c4 dxc4 3. e3 Nf6 | |
| 2026.06.14 | Round 4: Guevara Ruiz, Marvin Andres - Rivera Mario Alfredo | 4.9 | 2026.06.14 Rivera Mario Alfredo (6706070) (1719) | 1 | - | 1. e4 e6 2. d4 d5 3. Nc3 dxe4 | |
| 2026.06.13 | Round 8: Guevara Sanchez, Erick Marvin - Guevara Ruiz, Marvin Andres | 8.1 | 2026.06.13 Guevara Sanchez, Erick Marvin (6700136) (2067) | 0 | - | 1. f4 d6 2. e4 e5 3. Nf3 Nc6 | |
| 2026.05.16 | Round 8: Wang, Nathan Zian - Guevara Ruiz, Marvin Andres | 8.5 | 2026.05.16 Wang, Nathan Zian (2638681) (1957) | 0 | 80.70% | 1. e4 c5 2. Nf3 Nc6 3. Bb5 e6 | |
| 2026.05.16 | Round 7: Reyes Zavaleta, Cristhian Yamil - Guevara Ruiz, Marvin Andres | 7.3 | 2026.05.16 Reyes Zavaleta, Cristhian Yamil (3844340) (2261) | 0 | 91.70% | 1. d4 d5 2. c4 e6 3. Nf3 Nf6 | |
| 2026.05.15 | Round 6: Guevara Ruiz, Marvin Andres - Ramos Rodriguez, Daniel | 6.5 | 2026.05.15 Ramos Rodriguez, Daniel (6511635) (1984) | 1 | 95.50% | 1. e4 e6 2. d4 d5 3. Nc3 Nc6 | |
| 2026.05.14 | Round 5: Ibarra Carlos Roberto - Guevara Ruiz, Marvin Andres | 5.2 | 2026.05.14 Ibarra Carlos Roberto (6707173) (2202) | ½ | 94.90% | 1. d4 Nf6 2. e3 e6 3. Bd3 b6 | |
| 2026.05.14 | Round 4: Guevara Ruiz, Marvin Andres - Montilla Rodriguez, Camilo | 4.8 | 2026.05.14 Montilla Rodriguez, Camilo (144424590) (1804) | 1 | 94.60% | 1. e4 c6 2. d4 d5 3. e5 Bf5 | |
| 2026.05.13 | Round 3: Levano Loayza, Adriano Jaffet - Guevara Ruiz, Marvin Andres | 3.6 | 2026.05.13 Levano Loayza, Adriano Jaffet (3865584) (2072) | ½ | 91.80% | 1. e4 c5 2. Nf3 e6 3. d4 cxd4 | |
| 2026.04.02 | Campeonato Centroamericano y del Caribe SUB 20 2026 | 9.12 | 2026.04.02 Miranda Flores, Samy Manuel (6535852) (1676) | 1 | 94.80% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2026.04.01 | Campeonato Centroamericano y del Caribe SUB 20 2026 | 8.11 | 2026.04.01 Ulloa Jimenez, Santiago (6559328) (1825) | ½ | 89.90% | 1. Nc3 c5 2. e4 e6 3. f4 a6 | |
| 2026.04.01 | Campeonato Centroamericano y del Caribe SUB 20 2026 | 7.11 | 2026.04.01 Cardoza Diaz, Aaron (3531627) (1896) | ½ | 91.70% | 1. c4 Nf6 2. Nc3 g6 3. e4 d6 | |
| 2026.03.31 | Campeonato Centroamericano y del Caribe SUB 20 2026 | 6.5 | 2026.03.31 Mendez Machado, Andre (6603793) (2188) | 0 | 88.70% | 1. e4 c5 2. Nf3 Nc6 3. Bb5 e6 | |
| 2026.03.30 | Campeonato Centroamericano y del Caribe SUB 20 2026 | 5.4 | 2026.03.30 Lizano Quiros, Matias Haziel (6543863) (2244) | ½ | 90.40% | 1. e4 c6 2. d4 d5 3. e5 Bf5 | |
| 2026.03.29 | Campeonato Centroamericano y del Caribe SUB 20 2026 | 3.9 | 2026.03.29 Vargas Arguedas, Caleb (6524869) (2032) | ½ | 96.40% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2026.03.28 | Campeonato Centroamericano y del Caribe SUB 20 2026 | 2.3 | 2026.03.28 Leon Infante, Bryan (3536173) (2174) | ½ | 89.50% | 1. d4 Nf6 2. Bf4 d5 3. e3 c5 | |
| 2026.03.28 | Campeonato Centroamericano y del Caribe SUB 20 2026 | 1.17 | 2026.03.28 Castillo Mendez, Carlos Rafael (6524133) (1629) | 1 | - | 1. e4 c6 2. d4 d5 3. exd5 cxd5 | |
| 2026.03.01 | Round 9: Guevara Ruiz, Marvin Andres - Romero, Wilbert | 9.7 | 2026.03.01 Romero, Wilbert (6704565) (1872) | 1 | 91.80% | 1. e4 e6 2. d4 d5 3. Nc3 c6 | |
| 2026.02.28 | Round 8: Arabia, Carlos - Guevara Ruiz, Marvin Andres | 8.10 | 2026.02.28 Arabia, Carlos (6708153) (1699) | 1 | 97.50% | 1. Nf3 c5 2. d3 d5 3. g3 Nc6 | |
| 2026.02.22 | Round 7: Guevara Ruiz, Marvin Andres - Pacheco, Julio | 7.4 | 2026.02.22 Pacheco, Julio (6700764) (1954) | 0 | 85.70% | 1. e4 e6 2. d4 d5 3. Nc3 Nf6 | |
| 2026.02.21 | Round 6: Velasquez, Jose Eduardo - Guevara Ruiz, Marvin Andres | 6.9 | 2026.02.21 Velasquez, Jose Eduardo (6709362) (1824) | 1 | 83.10% | 1. e4 c5 2. Nc3 Nc6 3. f4 g6 | |
| 2026.02.14 | Round 5: Guevara Ruiz, Marvin Andres - Alvarenga, Juan | 5.11 | 2026.02.14 Alvarenga, Juan (6700489) (1759) | 1 | 91.20% | 1. e4 e6 2. d4 d5 3. Nc3 dxe4 | |
| 2026.02.08 | Round 4: Tobar, Jorge - Guevara Ruiz, Marvin Andres | 4.6 | 2026.02.08 Tobar, Jorge (6700497) (1874) | 0 | 59.80% | 1. e4 e6 2. c4 c5 3. Nc3 Nc6 | |
| 2026.02.07 | Round 3: Guevara Ruiz, Marvin Andres - Escobar Flamenco, Kilmar Ademir | 3.8 | 2026.02.07 Escobar Flamenco, Kilmar Ademir (6709753) (1818) | 1 | 84.10% | 1. d4 Nf6 2. Nf3 d5 3. g3 e6 | |
| 2026.02.07 | Round 2: Nerio, Carlos Salvador - Guevara Ruiz, Marvin Andres | 2.10 | 2026.02.07 Nerio, Carlos Salvador (6710310) (1672) | 1 | - | 1. e4 c5 2. d4 cxd4 3. c3 dxc3 | |
| 2026.01.11 | Tercer Torneo Internacional Club Caissa Guatemala | 9.15 | 2026.01.11 Ordonez Bonilla, Ricardo Andres (7307659) (2134) | ½ | 83.70% | 1. d4 d5 2. c4 e6 3. Nf3 Nf6 | |
| 2026.01.10 | Tercer Torneo Internacional Club Caissa Guatemala | 7.14 | 2026.01.10 Kaufman, Raymond (2015056) (2259) | 0 | 90.20% | 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 | |
| 2026.01.09 | Tercer Torneo Internacional Club Caissa Guatemala | 5.13 | 2026.01.09 Sanchez Alvarez, Roberto Carlos (3508684) (2364) | ½ | 84.10% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2026.01.07 | Tercer Torneo Internacional Club Caissa Guatemala | 1.5 | 2026.01.07 Gonzalez Vidal, Yuri (3503321) (2525) | 0 | 89.00% | 1. d4 Nf6 2. c4 e6 3. g3 d5 | |
| 2025.12.09 | Round 9: Guevara Ruiz, Marvin Andres - Bedi, Vaibhav | 9.1 | 2025.12.09 Bedi, Vaibhav (7501900) (1870) | ½ | 79.00% | 1. e4 c5 2. Nf3 Nc6 3. c3 d5 | |
| 2025.12.09 | Round 8: Sinckler, Mileke - Guevara Ruiz, Marvin Andres | 8.1 | 2025.12.09 Sinckler, Mileke (11105950) (1814) | ½ | 47.20% | 1. d4 Nf6 2. c4 e6 3. g3 d5 | |
| 2025.12.09 | Round 7: Harvey, Corbin - Guevara Ruiz, Marvin Andres | 7.1 | 2025.12.09 Harvey, Corbin (7404794) (1813) | ½ | 82.40% | 1. e4 c5 2. d4 cxd4 3. c3 Nf6 | |
| 2025.12.09 | Round 6: Guevara Ruiz, Marvin Andres - Ramirez, Daniel | 6.1 | 2025.12.09 Ramirez, Daniel (8410259) (1800) | 0 | 85.70% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2025.12.09 | Round 5: Clarke, Noah - Guevara Ruiz, Marvin Andres | 5.1 | 2025.12.09 Clarke, Noah (11106654) (1783) | 1 | 88.40% | 1. e4 e6 2. d4 c5 3. Nf3 cxd4 | |
| 2025.12.09 | Round 4: Guevara Ruiz, Marvin Andres - Samuel Bisnath, Kael | 4.1 | 2025.12.09 Samuel Bisnath, Kael (7706880) (1940) | 1 | 93.80% | 1. d4 Nf6 2. Nc3 d5 3. Bg5 Bf5 | |
| 2025.12.09 | Round 3: Guevara Ruiz, Marvin Andres - Pedrosa Rivera, Joshua | 3.1 | 2025.12.09 Pedrosa Rivera, Joshua (3110850) (1940) | 1 | 87.30% | 1. e4 c6 2. d4 d5 3. e5 Bf5 | |
| 2025.12.09 | Round 2: Reynoso Almonte, Emir - Guevara Ruiz, Marvin Andres | 2.1 | 2025.12.09 Reynoso Almonte, Emir (6435041) (1796) | 1 | 95.60% | 1. d4 Nf6 2. Bf4 g6 3. Nc3 d5 | |
| 2025.12.09 | Round 1: Guevara Ruiz, Marvin Andres - Orr, Michael E. | 1.1 | 2025.12.09 Orr, Michael E. (3113973) (1687) | 1 | - | ||
| 2025.11.06 | Round 6: Guevara Ruiz, Marvin Andres - Vergara Rivera, Juan Sebastiaan | 6.12 | 2025.11.06 Vergara Rivera, Juan Sebastiaan (15901866) | ½ | 92.10% | 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 | |
| 2025.11.05 | Round 5: Delgado Caballero, Nigel Alejandro - Guevara Ruiz, Marvin Andres | 5.4 | 2025.11.05 Delgado Caballero, Nigel Alejandro (4492846) (1867) | ½ | 79.00% | 1. Nf3 Nf6 2. g3 d5 3. c4 d4 | |
| 2025.11.05 | Round 4: Miranda Samudio, Adrian Jafeth - Guevara Ruiz, Marvin Andres | 4.8 | 2025.11.05 Miranda Samudio, Adrian Jafeth (6611044) (2064) | 0 | 79.90% | 1. e4 c5 2. Nf3 Nc6 3. b3 Nf6 | |
| 2025.11.05 | Round 3: Arauz Espinoza, Douglas Ariel - Guevara Ruiz, Marvin Andres | 3.11 | 2025.11.05 Arauz Espinoza, Douglas Ariel (6110410) (1872) | 0 | 88.10% | 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 | |
| 2025.11.05 | Round 2: Allen Leydenz, Christian Gabriel - Guevara Ruiz, Marvin Andres | 2.4 | 2025.11.05 Allen Leydenz, Christian Gabriel (3977900) (2276) | 0 | - | 1. e4 c5 2. b3 Nf6 3. e5 Nd5 | |
| 2025.11.05 | Round 1: Guevara Ruiz, Marvin Andres - Ordonez Canales, Josue Fernando | 1.16 | 2025.11.05 Ordonez Canales, Josue Fernando (8411328) (1589) | 1 | - | 1. e4 c6 2. d4 d5 3. e5 Bf5 | |
| 2025.11.05 | Round 6: Guevara Ruiz, Marvin Andres - Colmenarez Rivero, Jheremias David | 6.5 | 2025.11.05 Colmenarez Rivero, Jheremia David (3993922) (2051) | 0 | 87.90% | 1. e4 e6 2. d4 d5 3. Nc3 Nf6 | |
| 2025.11.05 | Round 4: Lopez Murillo, Eliseo Josue - Guevara Ruiz, Marvin Andres | 4.9 | 2025.11.05 Lopez Murillo, Eliseo Josue (6109381) (1678) | 1 | 94.80% | 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 | |
| 2025.11.05 | Round 2: Briceno Campos, Angel Gabriel - Guevara Ruiz, Marvin Andres | 2.13 | 2025.11.05 Briceno Campos, Angel Gabriel (5199506) (1784) | 0 | 90.60% | 1. e4 c5 2. Nf3 Nc6 3. d3 g6 | |
| 2025.11.05 | Round 1: Guevara Ruiz, Marvin Andres - Delgado Caballero, Nigel Alejandro | 1.5 | 2025.11.05 Delgado Caballero, Nigel Alejandro (4492846) (1870) | 0 | 80.10% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2025.11.04 | Round 6: Delgado Caballero, Nigel Alejandro - Guevara Ruiz, Marvin Andres | 6.2 | 2025.11.04 Delgado Caballero, Nigel Alejandro (4492846) (2005) | 0 | 89.20% | 1. Nf3 Nf6 2. g3 d5 3. c4 e6 | |
| 2025.11.04 | Round 5: Guevara Ruiz, Marvin Andres - Espinoza Guerrero, Felix Alberto | 5.7 | 2025.11.04 Espinoza Guerrero, Felix Alberto (6104762) (2002) | 0 | 91.70% | 1. e4 c5 2. Nf3 g6 3. c4 Bg7 | |
| 2025.11.03 | Round 4: Colmenarez Rivero, Jheremias David - Guevara Ruiz, Marvin Andres | 4.7 | 2025.11.03 Colmenarez Rivero, Jheremia David (3993922) (2128) | 1 | 87.40% | 1. c4 Nf6 2. Nf3 e6 3. g3 d5 | |
| 2025.11.03 | Round 3: Guevara Ruiz, Marvin Andres - Monroy Lopez, Gustavo Adolfo | 3.3 | 2025.11.03 Monroy Lopez, Gustavo Adolfo (7306431) (1826) | 0 | 88.80% | 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 | |
| 2025.11.02 | Round 2: Polak, Delgion T. J. - Guevara Ruiz, Marvin Andres | 2.7 | 2025.11.02 Polak, Delgion T. J. (15901696) | 1 | - | 1. d4 Nf6 2. Nf3 c5 3. Nc3 cxd4 | |
| 2025.11.02 | Round 1: Guevara Ruiz, Marvin Andres - Orocio Mendoza, Egbert David | 1.11 | 2025.11.02 Orocio Mendoza, Egbert David (5185602) (1855) | ½ | - | 1. e4 e6 2. d4 d5 3. Nc3 Nf6 | |
| 2025.07.26 | Round 3: Guevara Ruiz, Marvin Andres - Bazan Romero, Octavio Aaron | 3.1 | 2025.07.26 Bazan Romero, Octavio Aaron (20003943) (2317) | ½ | 97.90% | 1. c4 e6 2. g3 d5 3. Bg2 Nf6 | |
| 2025.04.14 | Round 2: Guevara Ruiz, Marvin Andres - Duran Vega, Sergio | 2.3 | 2025.04.14 Duran Vega, Sergio (6501311) (2310) | 0 | 83.70% | 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 | |
| 2024.09.22 | 45th FIDE Chess Olympiad | 11.140 | 2024.09.22 Marjanovic, Dejan (14402661) (2365) | 0 | 88.70% | 1. e4 c5 2. Nc3 Nc6 3. Bb5 Nd4 | |
| 2024.09.20 | 45th FIDE Chess Olympiad | 9.144 | 2024.09.20 Jaramillo Lopez, Ali Aaron (3943275) (2258) | 0 | 88.20% | 1. c4 e6 2. g3 d5 3. Bg2 Nf6 | |
| 2024.09.19 | 45th FIDE Chess Olympiad | 8.196 | 2024.09.19 Al-Kuwari, Hamad (12102679) (1574) | 1 | 89.80% | 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 | |
| 2024.09.18 | 45th FIDE Chess Olympiad | 7.240 | 2024.09.18 Khayat, Emad (21518076) (1907) | 0 | 89.40% | 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 | |
| 2024.09.16 | 45th FIDE Chess Olympiad | 6.232 | 2024.09.16 Depradine, Lawrence (11100907) (1782) | 1 | 97.00% | 1. c4 e6 2. Nf3 d5 3. e3 c5 | |
| 2024.09.15 | 45th FIDE Chess Olympiad | 5.148 | 2024.09.15 Zlatkov, Anton (15005402) (2346) | 0 | 88.10% | 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 | |
| 2024.09.14 | 45th FIDE Chess Olympiad | 4.180 | 2024.09.14 Hovhannisyan, Mher (13300865) (2414) | 0 | 89.80% | 1. d4 d5 2. c4 e6 3. Nc3 c5 | |
| 2024.09.12 | 45th FIDE Chess Olympiad | 2.216 | 2024.09.12 Piva, Michele (11800453) (1721) | 1 | - | 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 | |
| Round 9: Gonzalez Bolivar, Juan Jose - Guevara Ruiz, Marvin Andres | 9.26 | Gonzalez Bolivar, Juan Jose (4491467) (2090) | 0 | 76.30% | 1. e4 c5 2. Nf3 Nc6 3. c4 e5 | ||
| Round 8: Guevara Ruiz, Marvin Andres - Casqui Lopez, Pamela Grace | 8.10 | Casqui Lopez, Pamela Grace (3853829) (1768) | ½ | 99.00% | 1. e4 c5 2. Nf3 e6 3. d4 cxd4 | ||
| Round 7: Guevara Ruiz, Marvin Andres - Garzon Espitia, Nicolas Alejandro | 7.34 | Garzon Espitia, Nicolas Alejandro (144422768) (1834) | 0 | 82.50% | 1. c4 Nf6 2. Nf3 c5 3. e3 g6 | ||
| Round 1: Huertas Cabrera, Daniel - Guevara Ruiz, Marvin Andres | 1.22 | Huertas Cabrera, Daniel (144411073) (1630) | 1 | 94.00% | 1. b3 Nf6 2. Bb2 e6 3. Nf3 d5 | ||
| Round 6: Ramirez Aguilar, Julian Jose - Guevara Ruiz, Marvin Andres | 6.2 | Ramirez Aguilar, Julian Jose (6516629) (1815) | 1 | 91.10% | 1. e4 c5 2. Nf3 Nc6 3. Nc3 e6 | ||
| Round 5: Guevara Ruiz, Marvin Andres - Herrera Jimenez, Mateo | 5.34 | Herrera Jimenez, Mateo (144404018) (1898) | 0 | 87.60% | 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 | ||
| Round 4: Tabatadze, Erekle - Guevara Ruiz, Marvin Andres | 4.14 | Tabatadze, Erekle (13630024) (1901) | 0 | 89.70% | 1. d4 Nf6 2. c4 e6 3. Nf3 b6 | ||
| Round 3: Guevara Ruiz, Marvin Andres - Bedi, Vaibhav | 3.2 | Bedi, Vaibhav (7501900) (1751) | 1 | 93.80% | 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 | ||
| Round 2: Vaz, Ethan - Guevara Ruiz, Marvin Andres | 2.14 | Vaz, Ethan (25940783) (2235) | 0 | - | 1. e4 c5 2. Nf3 Nc6 3. Nc3 d6 |