{"text_format":"1","workbook":"xlsx","n_sheets":4,"sheets":["XL_Chess","Library","License","Misc"],"not_rendered":{"charts":0,"images":4,"macros":1,"external_links":0,"defined_names":66,"comments":0,"pivot_tables":0},"unopened":[],"bounds":{"document_bytes":16777216,"sheet_cells":100000,"rows_first":2000,"rows_last":500,"rows_between":2000,"halvings":0,"cell_chars":16384,"cell_head_chars":4096},"cells_cut":0,"cells_raw":0,"read":"whole","date_system":"1900"}

{"sheet":"XL_Chess","index":0,"n_rows":9,"n_cols":11,"rows_kept":9,"cut":false,"hidden":false,"merged":[]}
[8,"♜","♞","♝","♛","♚","♝","♞","♜",null,"XL Chess"]
[7,"♟","♟","♟","♟","♟","♟","♟","♟",null," History"]
[6]
[5]
[4]
[3]
[2,"♟","♟","♟","♟","♟","♟","♟","♟",null," Search status"]
[1,"♜","♞","♝","♛","♚","♝","♞","♜"]
[null,"A","B","C","D","E","F","G","H"]

{"sheet":"Library","index":1,"n_rows":201,"n_cols":15,"rows_kept":201,"cut":false,"hidden":false,"merged":[]}
["PE2→E4","PE7→E5","NG1→F3","NB8→C6","BF1→B5","NC6→D4",null,null,null,null,null,null,null,"Spanish Opening","Bird Defense"]
["PE2→E4","PE7→E5","NG1→F3","NB8→C6","BF1→B5","BF8→C5",null,null,null,null,null,null,null,"Spanish Opening","Classic Defense"]
["PE2→E4","PE7→E5","NG1→F3","NB8→C6","BF1→B5","PF7→F5",null,null,null,null,null,null,null,"Spanish Opening","Jaenisch Gambit"]
["PE2→E4","PE7→E5","NG1→F3","NB8→C6","BF1→B5","NG8→E7",null,null,null,null,null,null,null,"Spanish Opening","Larsen Defense"]
["PE2→E4","PE7→E5","NG1→F3","NB8→C6","BF1→B5","PG7→G6",null,null,null,null,null,null,null,"Spanish Opening","Smyslov Defense"]
["PE2→E4","PE7→E5","NG1→F3","NB8→C6","BF1→B5","PD7→D6",null,null,null,null,null,null,null,"Spanish Opening","Steinitz Variation"]
["PE2→E4","PE7→E5","NG1→F3","NB8→C6","BF1→B5","NG8→F6",null,null,null,null,null,null,null,"Spanish Opening","Berlin Defense"]
["PE2→E4","PE7→E5","NG1→F3","NB8→C6","BF1→B5","PA7→A6","BB5→A4","NG8→F6","KE1→G1","BF8→E7","NB1→C3",null,null,"Spanish Opening","Morphy Attack"]
["PE2→E4","PE7→E5","NG1→F3","NB8→C6","BF1→B5","PA7→A6","BB5→A4","NG8→F6","KE1→G1","PB7→B5","BA4→B3","BC8→B7",null,"Spanish Opening","Archangelsk Variation"]
["PE2→E4","PE7→E5","NG1→F3","NB8→C6","BF1→B5","PA7→A6","BB5→A4","NG8→F6","KE1→G1","NF6→PE4",null,null,null,"Spanish Opening","Open Variation"]
["PE2→E4","PE7→E5","NG1→F3","NB8→C6","BF1→C4","BF8→C5","PB2→B4","BC5→PB4","PC2→C3",null,null,null,null,"Italian Game","Evans Gambit"]
["PE2→E4","PE7→E5","NG1→F3","NB8→C6","BF1→C4","BF8→C5","PC2→C3","QD8→E7","PD2→D4","BC5→B6",null,null,null,"Italian Game","Variation 1"]
["PE2→E4","PE7→E5","NG1→F3","NB8→C6","BF1→C4","BF8→C5","PC2→C3","NG8→F6","PD2→D4","PE5→PD4","PC3→PD4","BC5→B4",null,"Italian Game","Variation 2"]
["PE2→E4","PE7→E5","NG1→F3","NB8→C6","BF1→C4","BF8→C5","NB1→C3","NG8→F6","PD2→D3",null,null,null,null,"Italian Game","Giuoco pianissimo"]
["PE2→E4","PE7→E5","NG1→F3","NB8→C6","BF1→C4","BF8→C5","PD2→D4",null,null,null,null,null,null,"Italian Game","Rosentreter Gambit"]
["PE2→E4","PE7→E5","NG1→F3","NB8→C6","BF1→C4","NG8→F6","PD2→D4","PE5→PD4","PE4→E5",null,null,null,null,"Two Knights Defense","Classic Variation"]
["PE2→E4","PE7→E5","NG1→F3","NB8→C6","BF1→C4","NG8→F6","PD2→D4","PE5→PD4","KE1→G1","BF8→C5","PE4→E5",null,null,"Two Knights Defense","Max Lange Attack"]
["PE2→E4","PE7→E5","NG1→F3","NB8→C6","BF1→C4","NG8→F6","NF3→G5","BF8→C5",null,null,null,null,null,"Two Knights Defense","Traxler Counterattack"]
["PE2→E4","PE7→E5","NG1→F3","NB8→C6","BF1→C4","NG8→F6","NF3→G5","PD7→D5","PE4→PD5","NF6→PD5","NG5→PF7",null,null,"Two Knights Defense","Fried Liver Attack"]
["PE2→E4","PE7→E5","NG1→F3","NB8→C6","BF1→C4","PH7→H6",null,null,null,null,null,null,null,"Two Knights Defense","Anti-Fried Liver Defense"]
["PE2→E4","PE7→E5","NG1→F3","NB8→C6","NB1→C3","NG8→F6","BF1→B5","NC6→D4",null,null,null,null,null,"Four Knights Game","Classic Variation"]
["PE2→E4","PE7→E5","NG1→F3","NB8→C6","NB1→C3","NG8→F6","BF1→B5","BF8→C5",null,null,null,null,null,"Four Knights Game","Variation 1"]
["PE2→E4","PE7→E5","NG1→F3","NB8→C6","NB1→C3","NG8→F6","PD2→D4","PE5→PD4","NC3→D5",null,null,null,null,"Four Knights Game","Belgrade Gambit"]
["PE2→E4","PE7→E5","NG1→F3","NB8→C6","NB1→C3","NG8→F6","PD2→D4","PE5→PD4","NC3→D5","PB7→B5",null,null,null,"Four Knights Game","Ulvestad Variation"]
["PE2→E4","PE7→E5","NG1→F3","NB8→C6","PD2→D4","PE5→PD4","PC2→C3","PD4→PC3",null,null,null,null,null,"Scotch Game","Classic Variation"]
["PE2→E4","PE7→E5","NG1→F3","NB8→C6","PD2→D4","PE5→PD4","PC2→C3","PD7→D5",null,null,null,null,null,"Scotch Game","Variation 1"]
["PE2→E4","PE7→E5","NG1→F3","NB8→C6","PD2→D4","PE5→PD4","BF1→C4",null,null,null,null,null,null,"Scotch Game","Scotch Gambit"]
["PE2→E4","PE7→E5","NG1→F3","NB8→C6","PC2→C3","NG8→F6","PD2→D4","NF6→PE4","PD4→D5",null,null,null,null,"Ponziani Opening","Jaenisch Variation"]
["PE2→E4","PE7→E5","NG1→F3","NB8→C6","PC2→C3","PD7→D5","QD1→A4","NG8→F6","NF3→PE5",null,null,null,null,"Ponziani Opening","Leonhardt Variation"]
["PE2→E4","PE7→E5","NG1→F3","NB8→C6","PC2→C3","PD7→D5","QD1→A4","PF7→F6","BF1→B5",null,null,null,null,"Ponziani Opening","Steinitz Variation"]
["PE2→E4","PE7→E5","NG1→F3","NB8→C6","PC2→C3","PF7→F5","PD2→D4","PF5→PE4","NF3→PE5",null,null,null,null,"Ponziani Opening","Ponziani Countergambit"]
["PE2→E4","PE7→E5","NG1→F3","PD7→D6","PD2→D4","PF7→F5",null,null,null,null,null,null,null,"Philidor Defense","Philidor Gambit"]
["PE2→E4","PE7→E5","NG1→F3","PD7→D6","PD2→D4","NG8→F6","PD4→PE5","NF6→PE4",null,null,null,null,null,"Philidor Defense","Variation 1"]
["PE2→E4","PE7→E5","NG1→F3","NG8→F6","PD2→D4","PE5→PD4","PE4→E5","NF6→E4","QD1→E2",null,null,null,null,"Petrov Defense","Steinitz Variation"]
["PE2→E4","PE7→E5","NG1→F3","NG8→F6","NB1→C3",null,null,null,null,null,null,null,null,"Petrov Defense","Three Knights Game"]
["PE2→E4","PE7→E5","NG1→F3","NG8→F6","BF1→C4",null,null,null,null,null,null,null,null,"Petrov Defense","Italian Variation"]
["PE2→E4","PE7→E5","NG1→F3","NG8→F6","NF3→PE5","PD7→D6","NE5→F3","NF6→PE4","PD2→D4",null,null,null,null,"Petrov Defense","Classic Variation"]
["PE2→E4","PE7→E5","NG1→F3","NG8→F6","NF3→PE5","PD7→D6","NE5→C4",null,null,null,null,null,null,"Petrov Defense","Paulsen Variation"]
["PE2→E4","PE7→E5","NG1→F3","NG8→F6","NF3→PE5","PD7→D6","NE5→D3",null,null,null,null,null,null,"Petrov Defense","Karklin Attack"]
["PE2→E4","PE7→E5","NG1→F3","NG8→F6","NF3→PE5","PD7→D6","NE5→PF7","KE8→NF7","PD2→D4",null,null,null,null,"Petrov Defense","Cochrane Gambit"]
["PE2→E4","PE7→E5","NG1→F3","PF7→F5",null,null,null,null,null,null,null,null,null,"Latvian Gambit","Classic Variation"]
["PE2→E4","PE7→E5","PF2→F4","BF8→C5",null,null,null,null,null,null,null,null,null,"King's Gambit","King's Gambit Declined"]
["PE2→E4","PE7→E5","PF2→F4","PD7→D5",null,null,null,null,null,null,null,null,null,"King's Gambit","Falkbeer Countergambit"]
["PE2→E4","PE7→E5","PF2→F4","PE5→PF4","NB1→C3",null,null,null,null,null,null,null,null,"King's Gambit","Steinitz Gambit"]
["PE2→E4","PE7→E5","PF2→F4","PE5→PF4","BF1→C4",null,null,null,null,null,null,null,null,"King's Gambit","Bishop's Gambit"]
["PE2→E4","PE7→E5","PF2→F4","PE5→PF4","NG1→F3","PD7→D5",null,null,null,null,null,null,null,"King's Gambit","Scandinavian Variation"]
["PE2→E4","PE7→E5","PF2→F4","PE5→PF4","NG1→F3","PD7→D6",null,null,null,null,null,null,null,"King's Gambit","Fischer Variation"]
["PE2→E4","PE7→E5","PF2→F4","PE5→PF4","NG1→F3","BF8→E7",null,null,null,null,null,null,null,"King's Gambit","Cunningham Variation"]
["PE2→E4","PE7→E5","PD2→D4","PE5→PD4","QD1→PD4","NB8→C6","QD4→E3",null,null,null,null,null,null,"Center Game","Classic Variation"]
["PE2→E4","PE7→E5","PD2→D4","PE5→PD4","QD1→PD4","NB8→C6","QD4→A4",null,null,null,null,null,null,"Center Game","Variation 1"]
["PE2→E4","PE7→E5","PD2→D4","PE5→PD4","PC2→C3",null,null,null,null,null,null,null,null,"Center Game","Danish Gambit"]
["PE2→E4","PE7→E5","NB1→C3","NG8→F6","PF2→F4","PD7→D5","PF4→PE5","NF6→PE4",null,null,null,null,null,"Vienna Game","Classic Variation"]
["PE2→E4","PE7→E5","NB1→C3","NG8→F6","BF1→C4","NF6→PE4","QD1→H5","NE4→D6",null,null,null,null,null,"Vienna Game","Variation 1"]
["PE2→E4","PE7→E5","NB1→C3","NG8→F6","PF2→F4","PE5→PF4",null,null,null,null,null,null,null,"Vienna Game","Variation 2"]
["PE2→E4","PE7→E5","NB1→C3","NG8→F6","PG2→G3",null,null,null,null,null,null,null,null,"Vienna Game","Variation 3"]
["PE2→E4","PE7→E5","NB1→C3","NB8→C6","PG2→G3",null,null,null,null,null,null,null,null,"Vienna Game","Variation 4"]
["PE2→E4","PE7→E5","BF1→C4","NG8→F6","PD2→D3","PC7→C6","NG1→F3","PD7→D5","BC4→B3",null,null,null,null,"Bishop's Opening","Classic Variation"]
["PE2→E4","PE7→E5","BF1→C4","NG8→F6","PD2→D3","NB8→C6","NG1→F3",null,null,null,null,null,null,"Bishop's Opening","Variation 1"]
["PE2→E4","PC7→C5","PD2→D4","PC5→PD4","PC2→C3",null,null,null,null,null,null,null,null,"Sicilian Defense","Morra Gambit"]
["PE2→E4","PC7→C5","PC2→C3",null,null,null,null,null,null,null,null,null,null,"Sicilian Defense","Alapine Variation"]
["PE2→E4","PC7→C5","NB1→C3",null,null,null,null,null,null,null,null,null,null,"Sicilian Defense","Closed Sicilian"]
["PE2→E4","PC7→C5","NG1→F3","PA7→A6",null,null,null,null,null,null,null,null,null,"Sicilian Defense","O'Kefly Variation"]
["PE2→E4","PC7→C5","NG1→F3","NG8→F6",null,null,null,null,null,null,null,null,null,"Sicilian Defense","Nimzowitsch Variation"]
["PE2→E4","PC7→C5","NG1→F3","NB8→C6","PC2→C3",null,null,null,null,null,null,null,null,"Sicilian Defense","Other Variation"]
["PE2→E4","PC7→C5","NG1→F3","NB8→C6","BF1→B5",null,null,null,null,null,null,null,null,"Sicilian Defense","Rossolimo Attack"]
["PE2→E4","PC7→C5","NG1→F3","NB8→C6","PD2→D4","PC5→PD4","NF3→PD4","PG7→G6","PC2→C4",null,null,null,null,"Sicilian Defense","Maroczy Bind"]
["PE2→E4","PC7→C5","NG1→F3","NB8→C6","PD2→D4","PC5→PD4","NF3→PD4","NG8→F6","NB1→C3","PE7→E5",null,null,null,"Sicilian Defense","Svechnikov Variation"]
["PE2→E4","PC7→C5","NG1→F3","PE7→E6","PD2→D4","PC5→PD4","NF3→PD4","PA7→PA6",null,null,null,null,null,"Sicilian Defense","Paulsen Variation"]
["PE2→E4","PC7→C5","NG1→F3","PE7→E6","PD2→D4","PC5→PD4","NF3→PD4","NB8→C6",null,null,null,null,null,"Sicilian Defense","Taimanov Variation"]
["PE2→E4","PC7→C5","NG1→F3","PD7→D6","PD2→D4","PC5→PD4","NF3→PD4","NG8→F6","NB1→C3","NB8→C6","BF1→C4",null,null,"Sicilian Defense","Sozine Attack"]
["PE2→E4","PC7→C5","NG1→F3","PD7→D6","PD2→D4","PC5→PD4","NF3→PD4","NG8→F6","NB1→C3","NB8→C6","BF1→E2","PE7→E5",null,"Sicilian Defense","Boleslavsky Variation"]
["PE2→E4","PC7→C5","NG1→F3","PD7→D6","PD2→D4","PC5→PD4","NF3→PD4","NG8→F6","NB1→C3","NB8→C6","BC1→G5",null,null,"Sicilian Defense","Richter-Rauzer Attack"]
["PE2→E4","PC7→C5","NG1→F3","PD7→D6","PD2→D4","PC5→PD4","NF3→PD4","NG8→F6","NB1→C3","PG7→G6",null,null,null,"Sicilian Defense","Dragon Variation"]
["PE2→E4","PC7→C5","NG1→F3","PD7→D6","PD2→D4","PC5→PD4","NF3→PD4","NG8→F6","NB1→C3","PE7→E6",null,null,null,"Sicilian Defense","Scheveningue Variation"]
["PE2→E4","PC7→C5","NG1→F3","PD7→D6","PD2→D4","PC5→PD4","NF3→PD4","NG8→F6","NB1→C3","PA7→A6",null,null,null,"Sicilian Defense","Najdorf Variation"]
["PE2→E4","PE7→E6","PD2→D3",null,null,null,null,null,null,null,null,null,null,"French Defense","Classic Variation"]
["PE2→E4","PE7→E6","PD2→D4","PD7→D5","PE4→PD5","PE6→PD5",null,null,null,null,null,null,null,"French Defense","Exchange Variation"]
["PE2→E4","PE7→E6","PD2→D4","PD7→D5","PE4→E5",null,null,null,null,null,null,null,null,"French Defense","Advance Variation"]
["PE2→E4","PE7→E6","PD2→D4","PD7→D5","NB1→D2",null,null,null,null,null,null,null,null,"French Defense","Tarrasch Variation"]
["PE2→E4","PE7→E6","PD2→D4","PD7→D5","NB1→C3","NG8→F6",null,null,null,null,null,null,null,"French Defense","Classic Variation"]
["PE2→E4","PE7→E6","PD2→D4","PD7→D5","NB1→C3","PD5→PE4",null,null,null,null,null,null,null,"French Defense","Rubinstein Variation"]
["PE2→E4","PE7→E6","PD2→D4","PD7→D5","NB1→C3","BF8→B4",null,null,null,null,null,null,null,"French Defense","Winawe Variation"]
["PE2→E4","PD7→D5","PE4→PD5","NG8→F6",null,null,null,null,null,null,null,null,null,"Scandinavian Defense","Classic Variation"]
["PE2→E4","PD7→D5","PE4→PD5","QD8→PD5","NB1→C3","QD5→D8",null,null,null,null,null,null,null,"Scandinavian Defense","Variation 1"]
["PE2→E4","PD7→D5","PE4→PD5","QD8→PD5","NB1→C3","QD5→A5",null,null,null,null,null,null,null,"Scandinavian Defense","Variation 2"]
["PE2→E4","PC7→C6","PD2→D3",null,null,null,null,null,null,null,null,null,null,"Caro-Kann Defense","Closed Variation"]
["PE2→E4","PC7→C6","PD2→D4","PD7→D5","PE4→E5",null,null,null,null,null,null,null,null,"Caro-Kann Defense","Advance Variation"]
["PE2→E4","PC7→C6","PD2→D4","PD7→D5","PE4→PD5","PC6→PD5","PC2→C4",null,null,null,null,null,null,"Caro-Kann Defense","Panov Attack"]
["PE2→E4","PC7→C6","PD2→D4","PD7→D5","NB1→C3","PD5→PE4","NC3→PE4","NG8→F6","NE4→NF6","PG7→NF6",null,null,null,"Caro-Kann Defense","Larsen Variation"]
["PE2→E4","PC7→C6","PD2→D4","PD7→D5","NB1→C3","PD5→PE4","NC3→PE4","NB8→D7",null,null,null,null,null,"Caro-Kann Defense","Nimzowitsch Variation"]
["PE2→E4","PC7→C6","PD2→D4","PD7→D5","NB1→C3","PD5→PE4","NC3→PE4","BC8→F5",null,null,null,null,null,"Caro-Kann Defense","Classic Variation"]
["PE2→E4","NG8→F6","PE4→E5","NF6→D5","PC2→C4","ND5→B6","PC4→C5","NB6→D5",null,null,null,null,null,"Alekhine Defense","Hunt Variation"]
["PE2→E4","NG8→F6","PE4→E5","NF6→D5","PD2→D4","PD7→D6","PC2→C4","ND5→B6","PF2→F4",null,null,null,null,"Alekhine Defense","Four Pawns Attack"]
["PE2→E4","NG8→F6","PE4→E5","NF6→D5","PD2→D4","PD7→D6","NG1→F3",null,null,null,null,null,null,"Alekhine Defense","Modern Variation"]
["PE2→E4","NB8→C6","NG1→F3",null,null,null,null,null,null,null,null,null,null,"Nimzowitsch Defense","Declined Variation"]
["PE2→E4","NB8→C6","NG1→F3","PD7→D6",null,null,null,null,null,null,null,null,null,"Nimzowitsch Defense","Williams Variation"]
["PE2→E4","NB8→C6","NG1→F3","PF7→F5","PE4→PF5",null,null,null,null,null,null,null,null,"Nimzowitsch Defense","Colorado Counter Accepted"]
["PE2→E4","NB8→C6","PD2→D4","PE7→E5","PD4→D5",null,null,null,null,null,null,null,null,"Nimzowitsch Defense","Linksspringer Variation"]
["PE2→E4","NB8→C6","PD2→D4","PD7→D5","PE4→E5",null,null,null,null,null,null,null,null,"Nimzowitsch Defense","Advance Variation"]
["PE2→E4","NB8→C6","PD2→D4","PD7→D5","PE4→PD5","QD8→PD5",null,null,null,null,null,null,null,"Nimzowitsch Defense","Exchange Variation"]
["PE2→E4","PG7→G6","PD2→D4","BF8→G7","NB1→C3","PD7→D6","PF2→F4","PC7→C6","NG1→F3","BC8→G4",null,null,null,"Robatsch Defense","Classic Variation"]
["PE2→E4","PD7→D6","PD2→D4","NG8→F6","NB1→C3","PC7→C6",null,null,null,null,null,null,null,"Pirc Defense","Classic Variation"]
["PE2→E4","PD7→D6","PD2→D4","NG8→F6","NB1→C3","PG7→G6","BC1→G5",null,null,null,null,null,null,"Pirc Defense","Variation 1"]
["PE2→E4","PD7→D6","PD2→D4","NG8→F6","NB1→C3","PG7→G6","BC1→E3",null,null,null,null,null,null,"Pirc Defense","Variation 2"]
["PE2→E4","PD7→D6","PD2→D4","NG8→F6","NB1→C3","PG7→G6","PF2→F3",null,null,null,null,null,null,"Pirc Defense","Variation 3"]
["PE2→E4","PD7→D6","PD2→D4","NG8→F6","NB1→C3","PG7→G6","PG2→G3",null,null,null,null,null,null,"Pirc Defense","Variation 4"]
["PE2→E4","PD7→D6","PD2→D4","NG8→F6","NB1→C3","PG7→G6","NG1→F3",null,null,null,null,null,null,"Pirc Defense","Two Knights Variation"]
["PE2→E4","PD7→D6","PD2→D4","NG8→F6","NB1→C3","PG7→G6","PF2→F4",null,null,null,null,null,null,"Pirc Defense","Austrian Attack"]
["PD2→D4","NG8→F6","PC2→C4","PD7→D6","NB1→C3","PE7→E5","PD4→PE5","PD6→PE5","QD1→QD8","KE8→QD8",null,null,null,"Old Indian Defense","Classic Variation"]
["PD2→D4","NG8→F6","PC2→C4","PD7→D6","NB1→C3","PE7→E5","PD4→D5",null,null,null,null,null,null,"Old Indian Defense","Variation 1"]
["PD2→D4","NG8→F6","PC2→C4","PD7→D6","NB1→C3","PE7→E5","NG1→F3","PE5→E4",null,null,null,null,null,"Old Indian Defense","Variation 2"]
["PD2→D4","NG8→F6","PC2→C4","PD7→D6","NB1→C3","PE7→E5","NG1→F3","NB1→D7","BC1→G5","BF8→E7","PE2→E3",null,null,"Old Indian Defense","Variation 3"]
["PD2→D4","NG8→F6","PC2→C4","PD7→D6","NB1→C3","PE7→E5","NG1→F3","NB1→D7","PG2→G3",null,null,null,null,"Old Indian Defense","Variation 4"]
["PD2→D4","NG8→F6","PC2→C4","PD7→D6","NB1→C3","PE7→E5","NG1→F3","NB1→D7","PE2→E4","BF8→E7",null,null,null,"Old Indian Defense","Variation 5"]
["PD2→D4","NG8→F6","PC2→C4","PE7→E5","PD4→PE5","NF6→E4",null,null,null,null,null,null,null,"Budapest Gambit","Fajarowiz Variation"]
["PD2→D4","NG8→F6","PC2→C4","PE7→E5","PD4→PE5","NF6→G4",null,null,null,null,null,null,null,"Budapest Gambit","Variation 1"]
["PD2→D4","NG8→F6","PC2→C4","PG7→G6","NB1→C3","PD7→D5","PC4→PD5","NF6→PD5","PE2→E4",null,null,null,null,"Grünfeld Defense","Exchange Variation"]
["PD2→D4","NG8→F6","PC2→C4","PG7→G6","NB1→C3","PD7→D5","NG1→F3","BF8→G7","QD1→B3",null,null,null,null,"Grünfeld Defense","Russian System"]
["PD2→D4","NG8→F6","PC2→C4","PG7→G6","NB1→C3","PD7→D5","NG1→F3","BF8→G7","BC1→G5",null,null,null,null,"Grünfeld Defense","Taimanov Variation"]
["PD2→D4","NG8→F6","PC2→C4","PG7→G6","PF2→F3","PD7→D5",null,null,null,null,null,null,null,"Neo-Grünfeld Defense","Classic Variation"]
["PD2→D4","NG8→F6","PC2→C4","PG7→G6","PG2→G3","PD7→D5",null,null,null,null,null,null,null,"Neo-Grünfeld Defense","Kemeri Variation"]
["PD2→D4","NG8→F6","PC2→C4","PE7→E6","PG2→G3","PD7→D5","BF1→G2","PD5→PC4","NG1→F3","PC7→C5",null,null,null,"Catalan Opening","Classic Variation"]
["PD2→D4","NG8→F6","PC2→C4","PE7→E6","PG2→G3","PD7→D5","BF1→G2","BF8→E7","NG1→F3","KE8→G8","KE1→G1","PD5→PC4",null,"Catalan Opening","Open Catalan"]
["PD2→D4","NG8→F6","PC2→C4","PE7→E6","PG2→G3","PD7→D5","BF1→G2","BF8→E7","NG1→F3","KE8→G8","KE1→G1","PC7→C6",null,"Catalan Opening","Closed Catalan"]
["PD2→D4","NG8→F6","PC2→C4","PE7→E6","NG1→F3","PC7→C5","PD4→D5","PB7→B5","BC1→G5",null,null,null,null,"Blumenfeld Gambit","Classic Variation"]
["PD2→D4","NG8→F6","PC2→C4","PE7→E6","NG1→F3","BF8→B4","NB1→D2",null,null,null,null,null,null,"Bogo-Indian Defense","Classic Variation"]
["PD2→D4","NG8→F6","PC2→C4","PE7→E6","NG1→F3","BF8→B4","BC1→D2",null,null,null,null,null,null,"Bogo-Indian Defense","Variation 1"]
["PD2→D4","NG8→F6","PC2→C4","PE7→E6","NG1→F3","PB7→B6","PE2→E3",null,null,null,null,null,null,"West Indian Defense","Classic Variation"]
["PD2→D4","NG8→F6","PC2→C4","PE7→E6","NG1→F3","PB7→B6","BC1→F4",null,null,null,null,null,null,"West Indian Defense","Variation 1"]
["PD2→D4","NG8→F6","PC2→C4","PE7→E6","NG1→F3","PB7→B6","PA2→A3",null,null,null,null,null,null,"West Indian Defense","Petrossian Variation"]
["PD2→D4","NG8→F6","PC2→C4","PE7→E6","NG1→F3","PB7→B6","PG2→G3","BC8→A6",null,null,null,null,null,"West Indian Defense","Variation 2"]
["PD2→D4","NG8→F6","PC2→C4","PE7→E6","NG1→F3","PB7→B6","PG2→G3","BC8→B7",null,null,null,null,null,"West Indian Defense","Variation 3"]
["PD2→D4","NG8→F6","PC2→C4","PE7→E6","NG1→F3","PB7→B6","NB1→C3","BC8→B7","BC1→G5","PH7→H6","BG5→H4","BF8→B4",null,"West Indian Defense","Kasparov Variation"]
["PD2→D4","NG8→F6","PC2→C4","PE7→E6","NB1→C3","BF8→B4","QD1→C2",null,null,null,null,null,null,"Nimzo-Indian Defense","Classic Variation"]
["PD2→D4","NG8→F6","PC2→C4","PE7→E6","NB1→C3","BF8→B4","PG2→G3",null,null,null,null,null,null,"Nimzo-Indian Defense","Romanichine Variation"]
["PD2→D4","NG8→F6","PC2→C4","PE7→E6","NB1→C3","BF8→B4","BC1→G5",null,null,null,null,null,null,"Nimzo-Indian Defense","Leningrad Variation"]
["PD2→D4","NG8→F6","PC2→C4","PE7→E6","NB1→C3","BF8→B4","QD1→B3",null,null,null,null,null,null,"Nimzo-Indian Defense","Spielmann Variation"]
["PD2→D4","NG8→F6","PC2→C4","PE7→E6","NB1→C3","BF8→B4","PA2→A3",null,null,null,null,null,null,"Nimzo-Indian Defense","Sämisch Variation"]
["PD2→D4","NG8→F6","PC2→C4","PE7→E6","NB1→C3","BF8→B4","PE2→E3",null,null,null,null,null,null,"Nimzo-Indian Defense","Rubinstein Variation"]
["PD2→D4","NG8→F6","PC2→C4","PC7→C5","PD4→D5","PE7→E5",null,null,null,null,null,null,null,"Benoni Defense","Czech Benoni"]
["PD2→D4","NG8→F6","PC2→C4","PC7→C5","PD4→D5","PE7→E6",null,null,null,null,null,null,null,"Benoni Defense","Modern Benoni"]
["PD2→D4","NG8→F6","NG1→F3","PG7→G6","BC1→G5",null,null,null,null,null,null,null,null,"East Indian Defense","Tore Attack"]
["PD2→D4","NG8→F6","NG1→F3","PG7→G6","BC1→F4",null,null,null,null,null,null,null,null,"East Indian Defense","London System"]
["PD2→D4","NG8→F6","NG1→F3","PG7→G6","PG2→G3",null,null,null,null,null,null,null,null,"East Indian Defense","Fianchetto without c4"]
["PD2→D4","NG8→F6","BC1→G5","PE7→E6","PE2→E4",null,null,null,null,null,null,null,null,"Trompowsky Attack","Big Center Variation"]
["PD2→D4","NG8→F6","BC1→G5","NF6→E4","BG5→H4",null,null,null,null,null,null,null,null,"Trompowsky Attack","Edge Variation"]
["PD2→D4","NG8→F6","BC1→G5","NF6→E4","PH2→H4",null,null,null,null,null,null,null,null,"Trompowsky Attack","Raptor Variation"]
["PD2→D4","NG8→F6","BC1→G5","PC7→C5","PD4→D5","QD8→B6","NB1→C3",null,null,null,null,null,null,"Trompowsky Attack","Poisoned Pawn Variation"]
["PD2→D4","PF7→F5","BC1→G5",null,null,null,null,null,null,null,null,null,null,"Dutch Defense","Classic Variation"]
["PD2→D4","PF7→F5","PE2→E4",null,null,null,null,null,null,null,null,null,null,"Dutch Defense","Staunton Gambit"]
["PD2→D4","PF7→F5","PC2→C4","NG8→F6","NG1→F3","PG7→G6",null,null,null,null,null,null,null,"Dutch Defense","Leningrad Variation"]
["PD2→D4","PF7→F5","PC2→C4","NG8→F6","NG1→F3","PE7→E6","PG2→G3","PD7→D6",null,null,null,null,null,"Dutch Defense","Variation 1"]
["PD2→D4","PF7→F5","PC2→C4","PE7→E6","NG1→F3","PD7→D5",null,null,null,null,null,null,null,"Dutch Defense","Stonewall Variation"]
["PD2→D4","PD7→D5","PC2→C4","PE7→E5",null,null,null,null,null,null,null,null,null,"Queen's Gambit","Albin Countergambit"]
["PD2→D4","PD7→D5","PC2→C4","NB8→C6",null,null,null,null,null,null,null,null,null,"Queen's Gambit","Chigorin Defense"]
["PD2→D4","PD7→D5","PC2→C4","PC7→C6",null,null,null,null,null,null,null,null,null,"Queen's Gambit","Slav Defense"]
["PD2→D4","PD7→D5","PC2→C4","PD5→PC4",null,null,null,null,null,null,null,null,null,"Queen's Gambit","Queen's Gambit Accepted"]
["PD2→D4","PD7→D5","PC2→C4","PC7→C5",null,null,null,null,null,null,null,null,null,"Queen's Gambit","Symmetrical Defense"]
["PD2→D4","PD7→D5","PC2→C4","PE7→E6",null,null,null,null,null,null,null,null,null,"Queen's Gambit","Queen's Gambit Declined"]
["PD2→D4","PD7→D5","NB1→C3","NG8→F6","BC1→G5","NB8→D7","NG1→F3","PG7→G6",null,null,null,null,null,"Veresov Attack","Two Knights System"]
["PD2→D4","PD7→D5","NB1→C3","NG8→F6","BC1→G5","NF6→E4",null,null,null,null,null,null,null,"Veresov Attack","Boyce Defense"]
["PD2→D4","PD7→D5","NB1→C3","NG8→F6","BC1→G5","PE7→E6","NG1→F3",null,null,null,null,null,null,"Veresov Attack","Classic Defense"]
["PD2→D4","PD7→D5","NB1→C3","NG8→F6","BC1→G5","BC8→F5","PF2→F3",null,null,null,null,null,null,"Veresov Attack","Richter Variation"]
["PD2→D4","PD7→D5","NB1→C3","PF7→F5",null,null,null,null,null,null,null,null,null,"Veresov Attack","Dutch System"]
["PC2→C4","NG8→F6","NB1→C3","PD7→D5","PC4→PD5","NF6→PD5",null,null,null,null,null,null,null,"English Opening","Variation 1"]
["PC2→C4","NG8→F6","NB1→C3","PE7→E6","NG1→F3","BF8→B4",null,null,null,null,null,null,null,"English Opening","Variation 2"]
["PC2→C4","NG8→F6","NB1→C3","PE7→E6","PE2→E4",null,null,null,null,null,null,null,null,"English Opening","Mikenas Attack"]
["PC2→C4","PB7→B6",null,null,null,null,null,null,null,null,null,null,null,"English Opening","Classic Variation"]
["PC2→C4","PG7→G6",null,null,null,null,null,null,null,null,null,null,null,"English Opening","Variation 3"]
["PC2→C4","PF7→F5",null,null,null,null,null,null,null,null,null,null,null,"English Opening","Variation 4"]
["PC2→C4","PC7→C6",null,null,null,null,null,null,null,null,null,null,null,"English Opening","Variation 5"]
["PC2→C4","PE7→E6","NG1→F3","PD7→D5","PG2→G3",null,null,null,null,null,null,null,null,"English Opening","Variation 6"]
["PC2→C4","PE7→E5","NB1→C3","NG8→F6","PG2→G3","PC7→C6",null,null,null,null,null,null,null,"English Opening","Variation 7"]
["PC2→C4","PE7→E5","NB1→C3","NG8→F6","PG2→G3","BF8→B4",null,null,null,null,null,null,null,"English Opening","Variation 8"]
["PC2→C4","PE7→E5","NB1→C3","NG8→F6","PG2→G3","PG7→G6",null,null,null,null,null,null,null,"English Opening","Variation 9"]
["PC2→C4","PE7→E5","NB1→C3","NG8→F6","PG2→G3","PD7→D5",null,null,null,null,null,null,null,"English Opening","Variation 10"]
["PC2→C4","PE7→E5","NB1→C3","NG8→F6","NG1→F3","NB8→C6",null,null,null,null,null,null,null,"English Opening","English Four Knights'"]
["PC2→C4","PC7→C5","NB1→C3","NB8→C6","PG2→G3","PG7→G6",null,null,null,null,null,null,null,"English Opening","Symmetrical Defense"]
["PC2→C4","PC7→C5","NB1→C3","NG8→F6","PG2→G3","PD7→D5","PC4→PD5","NF6→PD5","BF1→G2","ND5→C7",null,null,null,"English Opening","Variation 11"]
["PC2→C4","PC7→C5","NG1→F3","NG8→F6","PD2→D4","PC5→PD4","NF3→PD4","PE7→E6","NB1→C3","NB8→C6",null,null,null,"English Opening","Variation 12"]
["PC2→C4","PC7→C5","NG1→F3","NG8→F6","PG2→G3","PB7→B6","BF1→G2","BC8→B7","KE1→G1","PE7→E6",null,null,null,"English Opening","Hedgehog System"]
["PC2→C4","PC7→C5","NG1→F3","NG8→F6","PG2→G3","PB7→B6","BF1→G2","BC8→B7","KE1→G1","PG7→G6",null,null,null,"English Opening","Double Fianchetto"]
["NG1→F3","PD7→D5","PB2→B3",null,null,null,null,null,null,null,null,null,null,"Réti Opening","Nimzowitsch Attack"]
["NG1→F3","PD7→D5","PG2→G3","NG8→F6","BF1→G2","PC7→C6","KE1→G1","BC8→F5",null,null,null,null,null,"Réti Opening","Variation 1"]
["NG1→F3","PD7→D5","PG2→G3","NG8→F6","BF1→G2","PC7→C6","KE1→G1","BC8→G4",null,null,null,null,null,"Réti Opening","Variation 2"]
["NG1→F3","PD7→D5","PC2→C4","PD5→D4","PB2→B4",null,null,null,null,null,null,null,null,"Réti Opening","Variation 3"]
["NG1→F3","PD7→D5","PC2→C4","PD5→D4","PE2→E3",null,null,null,null,null,null,null,null,"Réti Opening","Variation 4"]
["NG1→F3","PD7→D5","PE2→E4",null,null,null,null,null,null,null,null,null,null,"Réti Opening","Tennison Gambit"]
["NG1→F3","PF7→F5",null,null,null,null,null,null,null,null,null,null,null,"Réti Opening","Classic Variation"]
["NG1→F3","PC7→C5","PG2→G3","NB8→C6","BF1→G2","PG7→G6","PD2→D3",null,null,null,null,null,null,"Réti Opening","Variation 5"]
["NG1→F3","NG8→F6","PG2→G3","PB7→B5",null,null,null,null,null,null,null,null,null,"Réti Opening","Variation 6"]
["NG1→F3","NG8→F6","PG2→G3","PB7→B6",null,null,null,null,null,null,null,null,null,"Réti Opening","Variation 7"]
["PB2→B3","PD7→D5","BC1→B2","PC7→C5","PE2→E3",null,null,null,null,null,null,null,null,"Larsen's Opening","Classic Variation"]
["PB2→B3","PD7→D5","BC1→B2","BC8→G4",null,null,null,null,null,null,null,null,null,"Larsen's Opening","Variation 1"]
["PB2→B3","PE7→E5","BC1→B2","PD7→D6",null,null,null,null,null,null,null,null,null,"Larsen's Opening","Variation 2"]
["PB2→B3","PE7→E5","BC1→B2","NB8→C6","PC2→C4","NG8→F6",null,null,null,null,null,null,null,"Larsen's Opening","Variation 3"]
["PB2→B3","PE7→E5","BC1→B2","NB8→C6","PE2→E3","PD7→D5","BF1→B5","BC8→D7",null,null,null,null,null,"Larsen's Opening","Variation 4"]
["PG2→G3","PD7→D5","BF1→G2","PC7→C6","PD2→D3","NG8→F6","NB1→D2","PE7→E5","PE2→E4",null,null,null,null,"King's Fianchetto Opening","Classic Variation"]
["PG2→G3","PG7→G6","BF1→G2","BF8→G7","PE2→E4",null,null,null,null,null,null,null,null,"King's Fianchetto Opening","Variation 1"]
["PG2→G3","PE7→E5","BF1→G2","PD7→D5","PC2→C4",null,null,null,null,null,null,null,null,"King's Fianchetto Opening","Variation 2"]
[1,null,2,null,3,null,4,null,5,null,6]

{"sheet":"License","index":2,"n_rows":13,"n_cols":1,"rows_kept":13,"cut":false,"hidden":false,"merged":[]}
["XLChess - Copyright (c) 2014 - Jean-Marie BARONE"]
["distributed under zlib/libpng License."]
[]
["This software is provided 'as-is', without any express or implied warranty. In no event will the authors be held liable for any damages arising from the use of this software."]
[]
["Permission is granted to anyone to use this software for any purpose, including commercial applications, and to alter it and redistribute it freely, subject to the following restrictions:"]
[]
["1. The origin of this software must not be misrepresented; you must not claim that you wrote the original software."]
[" If you use this software in a product, an acknowledgment in the product documentation would be appreciated but is not required."]
[]
["2. Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software."]
[]
["3. This notice may not be removed or altered from any source distribution."]

{"sheet":"Misc","index":3,"n_rows":20,"n_cols":4,"rows_kept":20,"cut":false,"hidden":false,"merged":[]}
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["Some useful links for programming a chess engine :"]
["Board 0x88",null,null,"https://chessprogramming.wikispaces.com/0x88"]
["Evaluation",null,null,"http://chessprogramming.wikispaces.com/Evaluation"]
["Piece-Square Tables",null,null,"http://chessprogramming.wikispaces.com/Simplified+evaluation+function"]
["Negamax & Alpha-Beta Pruning",null,null,"http://en.wikipedia.org/wiki/Negamax"]