1 INTRODUCTION  
2 DES Y1 DATA  
3 SAMPLE SELECTION  
3.1 Completeness and Color Outliers Cuts  
3.2 Star-Galaxy Separation  
3.3 Selecting Red Luminous Galaxies  
3.4 Optimization of the Color and Magnitude Cuts for BAO  
4 PHOTOMETRIC REDSHIFTS  
4.1 COSMOS Validation  
4.2 Sample Variance Correction  
4.3 Photo z Validation Results  
5 ANGULAR MASK  
6 MITIGATION OF OBSERVATIONAL SYSTEMATIC EFFECTS  
7 TWO-POINT CLUSTERING  
8 CONCLUSIONS