| Date | Players & Opening | Result | ECO | View | 
|---|---|---|---|---|
| 2024.05.25 | Guzman Ortiz, Carlos M. (1966)  vs (2340) Park, Evan XVII Campeonato Continental Absoluto de Ajedrez de las Americas 2024 Jorge Vega Spanish Modern Steinitz  | 
                                                                                                                                                0-1 | C75 | |
| 2024.05.24 | Gomez Araque, Laura Sofia (1551)  vs (1966) Guzman Ortiz, Carlos M. XVII Campeonato Continental Absoluto de Ajedrez de las Americas 2024 Jorge Vega French - Exchange  | 
                                                                                                                                                0-1 | C01 | |
| 2014.04.05 | Almedina Ortiz, Edgardo J. (2286)  vs (2111) Guzman Ortiz, Carlos M. Campeonato de Puerto Rico 2014 French Tarrasch  | 
                                                                                                                                                1-0 | C03 | |
| 2014.03.30 | Guzman Ortiz, Carlos M. (2111)  vs (1947) Jimenez Acosta, Jorge Campeonato de Puerto Rico 2014 Caro-Kann - Advance (Short)  | 
                                                                                                                                                1-0 | B12 | |
| 2014.03.30 | Zilleruelo Irizarry, Diego (2058)  vs (2111) Guzman Ortiz, Carlos M. Campeonato de Puerto Rico 2014 Sicilian - Chekhover  | 
                                                                                                                                                1/2-1/2 | B53 | |
| 2014.03.29 | Guzman Ortiz, Carlos M. (2111)  vs (1690) Padin Rivera, Juan R. Campeonato de Puerto Rico 2014 Indian East Przepiorka - Szabo  | 
                                                                                                                                                1-0 | E62 | |
| 2014.03.29 | Matta Calvente, Marcel (1800)  vs (2111) Guzman Ortiz, Carlos M. Campeonato de Puerto Rico 2014 English Anglo-Indian  | 
                                                                                                                                                0-1 | A15 | |
| 2014.03.28 | Guzman Ortiz, Carlos M. (2111)  vs (1782) Davila Blanco, Juan Jose Campeonato de Puerto Rico 2014 Irregular Queen's Pawn - Franco-Indian  | 
                                                                                                                                                1-0 | A40 | |
| 2014.01.18 | Almedina Ortiz, Edgardo J. (2277)  vs (2067) Guzman Ortiz, Carlos M. Narciso Rabell Méndez In Memoriam French Tarrasch (Guimard) - Byrne  | 
                                                                                                                                                1-0 | C04 | |
| 2014.01.18 | Aneses Bocanegra, Omar (1934)  vs (2067) Guzman Ortiz, Carlos M. Narciso Rabell Méndez In Memoriam Irregular Queen's Pawn - Franco-Indian  | 
                                                                                                                                                0-1 | A40 | |
| 2014.01.17 | Guzman Ortiz, Carlos M. (2067)  vs (2568) Corrales Jimenez, Fidel Narciso Rabell Méndez In Memoriam Sicilian O'Kelly  | 
                                                                                                                                                0-1 | B28 | |
| 2012.02.26 | Guzman Ortiz, Carlos M. (2086)  vs (2225) Montalvo Rosario, Alejandro I TORNEO ABIERTO DE GUAYNABO Irregular King's Pawn - Owen  | 
                                                                                                                                                1-0 | B00 | |
| 2012.02.26 | Zapata Ramirez, Alonso (2479)  vs (2086) Guzman Ortiz, Carlos M. I TORNEO ABIERTO DE GUAYNABO French Tarrasch (Guimard)  | 
                                                                                                                                                1-0 | C04 | |
| 2012.02.25 | Guzman Ortiz, Carlos M. (2086)  vs Colon Melendez, Edgar I TORNEO ABIERTO DE GUAYNABO Sicilian  | 
                                                                                                                                                1-0 | B50 | |
| 2009.07.15 | Berrios Echevarria, Gabriel (2161)  vs (2084) Guzman Ortiz, Carlos M. Nacional Absoluto 2009 Queen's Indian Classical - Anti-Queen's Indian  | 
                                                                                                                                                1-0 | E19 | |
| 2009.07.12 | Guzman Ortiz, Carlos M. (2084)  vs (2147) Vazquez Reyes, Raul Nacional Absoluto 2009 Sicilian Moscow  | 
                                                                                                                                                1-0 | B52 | |
| 2009.07.11 | Guzman Ortiz, Carlos M. (2084)  vs (2159) Santana Alvarado, Miguel Nacional Absoluto 2009 Sicilian Nimzovich  | 
                                                                                                                                                0-1 | B29 | 
| Date | Players & Opening | Result | ECO | View | 
|---|---|---|---|---|
| 1997.01.01 | Soln, P. vs Guzman Ortiz, C. WCh-tt U-26 Roque Saenz P Irregular Queen's Pawn - Franco-Indian  | 
                                                                                                                                                1-0 | A40 | |
| 1997.01.01 | Maia, L. vs Guzman Ortiz, C. WCh-tt U-26 Roque Saenz P English Mikenas - Flohr  | 
                                                                                                                                                1/2-1/2 | A18 | |
| 1997.01.01 | Guzman Ortiz, C. vs Aponte, A. WCh-tt U-26 Roque Saenz P Queen's Pawn Zukertort  | 
                                                                                                                                                0-1 | D02 | |
| 1997.01.01 | Guzman Ortiz, C. vs Zambrana, O. WCh-tt U-26 Roque Saenz P Indian Knight  | 
                                                                                                                                                0-1 | A46 | |
| 1997.01.01 | Guzman Ortiz, C. vs Jodorcovsky, P. WCh-tt U-26 Roque Saenz P Queen's Pawn Zukertort  | 
                                                                                                                                                0-1 | D02 | |
| 1997.01.01 | Guzman Ortiz, C. vs Singh, G. WCh-tt U-26 Roque Saenz P French Advance Winawer - Bogolubov  | 
                                                                                                                                                0-1 | C17 | |
| 1997.01.01 | Crosa, M. vs Guzman Ortiz, C. WCh-tt U-26 Roque Saenz P French Winawer  | 
                                                                                                                                                1-0 | C15 | |
| 1997.01.01 | Bastidas, E. vs Guzman Ortiz, C. WCh-tt U-26 Roque Saenz P Reti Symmetrical  | 
                                                                                                                                                1-0 | A05 | |
| 1997.01.01 | Bancod, R. vs Guzman Ortiz, C. WCh-tt U-26 Roque Saenz P French - Hanham  | 
                                                                                                                                                1-0 | C00 |