| | Final Ranking | won | lst | gf | ga | points | ratio | | 1. | Levski-Spartak Sofia | 20 | 0 | 60: | 12 | ---/--- | -.--- | | 2. | CSKA Sofia | 13 | 7 | 46: | 31 | ---/--- | -.--- | | 3. | Akademik Varna | 11 | 9 | 44: | 35 | ---/--- | -.--- | | 4. | Slavia Sofia | 11 | 9 | 42: | 34 | ---/--- | -.--- | | Group 5-8. | | 5. | Akademik Sofia | 16 | 10 | 56: | 37 | ---/--- | -.--- | | 6. | Pernik | 12 | 14 | 43: | 49 | ---/--- | -.--- | | 7. | Dunav Russe | 7 | 19 | 29: | 62 | ---/--- | -.--- | | 8. | Shumen | 2 | 24 | 14: | 74 | ---/--- | -.--- |
| Format | | 1. Regular Season. Double Home/Away Round Robin. First 4 to Final Group. Rest to Group 5-8. | | 2. Final Group - 2 Round Robin Tournaments. | | 3. Group 5-8 - 4 Round Robin Tournaments. |
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| | | 2 Round Robin Tournaments. |
| Ranking Final Group | won | lst | gf | ga | points | ratio | | 1. Levski-Spartak Sofia | 6 | 0 | 18: | 6 | | | 2. CSKA Sofia | 3 | 3 | 11: | 13 | | | 3. Akademik Varna | 2 | 4 | 12: | 13 | | | 4. Slavia Sofia | 1 | 5 | 7: | 16 | |
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| Team | Levs | CSKA | Akad | Slav | | Levski-Spartak Sofia | --- | 3:0 | 3:1 | 3:0 | | CSKA Sofia | 1:3 | --- | 3:2 | 3:1 | | Akademik Varna | 2:3 | 1:3 | --- | 3:0 | | Slavia Sofia | 2:3 | 3:1 | 1:3 | --- |
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| date | team 1 | score | team 2 | points | set 1 | set 2 | set 3 | set 4 | set 5 | | Tournament 1 | | Fri 09.03.90 | Levski-Spartak Sofia | 3-0 | CSKA Sofia | | | Fri 09.03.90 | Levski-Spartak Sofia | 3-1 | Akademik Varna | | | Fri 09.03.90 | Levski-Spartak Sofia | 3-0 | Slavia Sofia | | | Fri 09.03.90 | CSKA Sofia | 3-2 | Akademik Varna | | | Fri 09.03.90 | CSKA Sofia | 3-1 | Slavia Sofia | | | Fri 09.03.90 | Akademik Varna | 3-0 | Slavia Sofia | | | Tournament 2 | | Fri 16.03.90 | Levski-Spartak Sofia | 3-1 | CSKA Sofia | | | Fri 16.03.90 | Levski-Spartak Sofia | 3-2 | Akademik Varna | | | Fri 16.03.90 | CSKA Sofia | 3-1 | Akademik Varna | | | Fri 16.03.90 | Levski-Spartak Sofia | 3-2 | Slavia Sofia | | | Fri 16.03.90 | Slavia Sofia | 3-1 | CSKA Sofia | | | Fri 16.03.90 | Akademik Varna | 3-1 | Slavia Sofia | |
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| | | 4 Round Robin Tournaments. |
| Ranking Group 5-8 | won | lst | gf | ga | points | ratio | | 5. Akademik Sofia | 9 | 3 | 32: | 13 | | | 6. Pernik | 9 | 3 | 29: | 14 | | | 7. Dunav Russe | 5 | 7 | 17: | 24 | | | 8. Shumen | 1 | 11 | 6: | 33 | |
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| Team | Akad | Pern | Duna | Shum | | Akademik Sofia | --- | 1:3 | 3:0 | 3:0 | | --- | 3:2 | 3:2 | 3:0 | | Pernik | 3:2 | --- | 3:0 | 3:0 | | 3:2 | --- | 3:0 | 3:0 | | Dunav Russe | 0:3 | 3:0 | --- | 3:2 | | 0:3 | 0:3 | --- | 3:0 | | Shumen | 0:3 | 3:0 | 1:3 | --- | | 0:3 | 0:3 | 0:3 | --- |
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| date | team 1 | score | team 2 | points | set 1 | set 2 | set 3 | set 4 | set 5 | | Tournament 1 | | Fri 09.03.90 | Akademik Sofia | 3-0 | Dunav Russe | | | Fri 09.03.90 | Akademik Sofia | 3-0 | Shumen | | | Fri 09.03.90 | Pernik | 3-2 | Akademik Sofia | | | Fri 09.03.90 | Pernik | 3-0 | Dunav Russe | | | Fri 09.03.90 | Dunav Russe | 3-2 | Shumen | | | Fri 09.03.90 | Shumen | 3-0 | Pernik | | | Tournament 2 | | Fri 16.03.90 | Pernik | 3-0 | Shumen | | | Fri 16.03.90 | Dunav Russe | 3-0 | Pernik | | | Fri 16.03.90 | Akademik Sofia | 3-2 | Dunav Russe | | | Fri 16.03.90 | Akademik Sofia | 3-0 | Shumen | | | Fri 16.03.90 | Pernik | 3-2 | Akademik Sofia | | | Fri 16.03.90 | Dunav Russe | 3-0 | Shumen | | | Tournament 3 | | Mon 26.03.90 | Pernik | 3-1 | Akademik Sofia | | | Mon 26.03.90 | Akademik Sofia | 3-0 | Dunav Russe | | | Mon 26.03.90 | Akademik Sofia | 3-0 | Shumen | | | Mon 26.03.90 | Dunav Russe | 3-1 | Shumen | | | Mon 26.03.90 | Pernik | 3-0 | Dunav Russe | | | Mon 26.03.90 | Pernik | 3-0 | Shumen | | | Tournament 4 | | Fri 30.03.90 | Akademik Sofia | 3-2 | Pernik | | | Fri 30.03.90 | Akademik Sofia | 3-0 | Dunav Russe | | | Fri 30.03.90 | Pernik | 3-0 | Dunav Russe | | | Fri 30.03.90 | Akademik Sofia | 3-0 | Shumen | | | Fri 30.03.90 | Pernik | 3-0 | Shumen | | | Fri 30.03.90 | Dunav Russe | 3-0 | Shumen | |
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| | | Double Home/Away Round Robin. | | First 4 to Final Group. Rest to Group 5-8. | | In December 1989 CSKA Sept. Zname Sofia was renamed to CSKA Sofia and Levski-Spartak Sofia to Levski Sofia. |
| Ranking Regular Season | won | lst | gf | ga | points | ratio | | 1. Levski-Spartak Sofia | 14 | 0 | 42: | 6 | | | 2. CSKA Sofia | 10 | 4 | 35: | 18 | | | 3. Slavia Sofia | 10 | 4 | 35: | 18 | | | 4. Akademik Varna | 9 | 5 | 32: | 22 | | | 5. Akademik Sofia | 7 | 7 | 24: | 24 | | | 6. Pernik | 3 | 11 | 14: | 35 | | | 7. Dunav Russe | 2 | 12 | 12: | 38 | | | 8. Shumen | 1 | 13 | 8: | 41 | |
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| Team | Levs | CSKA | Slav | Akad | Akad | Pern | Duna | Shum | | Levski-Spartak Sofia | --- | 3:0 | 3:0 | 3:0 | 3:1 | 3:0 | 3:0 | 3:0 | | CSKA Sofia | 2:3 | --- | 1:3 | 3:1 | 3:1 | 3:0 | 3:1 | 3:0 | | Slavia Sofia | 1:3 | 2:3 | --- | 2:3 | 3:0 | 3:0 | 3:2 | 3:1 | | Akademik Varna | 2:3 | 3:2 | 2:3 | --- | 0:3 | 3:1 | 3:0 | 3:1 | | Akademik Sofia | 0:3 | 1:3 | 0:3 | 0:3 | --- | 3:1 | 3:0 | 3:0 | | Pernik | 0:3 | 0:3 | 0:3 | 0:3 | 1:3 | --- | 3:0 | 3:1 | | Dunav Russe | 0:3 | 0:3 | 0:3 | 1:3 | 0:3 | 3:2 | --- | 2:3 | | Shumen | 0:3 | 0:3 | 0:3 | 0:3 | 1:3 | 1:3 | 0:3 | --- |
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| date | team 1 | score | team 2 | points | set 1 | set 2 | set 3 | set 4 | set 5 | | | Levski-Spartak Sofia | 3-0 | CSKA Sofia | | | | Levski-Spartak Sofia | 3-0 | Slavia Sofia | | | | Levski-Spartak Sofia | 3-0 | Akademik Varna | | | | Levski-Spartak Sofia | 3-1 | Akademik Sofia | | | | Levski-Spartak Sofia | 3-0 | Pernik | | | | Levski-Spartak Sofia | 3-0 | Dunav Russe | | | | Levski-Spartak Sofia | 3-0 | Shumen | | | | CSKA Sofia | 2-3 | Levski-Spartak Sofia | | | | CSKA Sofia | 1-3 | Slavia Sofia | | | | CSKA Sofia | 3-1 | Akademik Varna | | | | CSKA Sofia | 3-1 | Akademik Sofia | | | | CSKA Sofia | 3-0 | Pernik | | | | CSKA Sofia | 3-1 | Dunav Russe | | | | CSKA Sofia | 3-0 | Shumen | | | | Slavia Sofia | 1-3 | Levski-Spartak Sofia | | | | Slavia Sofia | 2-3 | CSKA Sofia | | | | Slavia Sofia | 2-3 | Akademik Varna | | | | Slavia Sofia | 3-0 | Akademik Sofia | | | | Slavia Sofia | 3-0 | Pernik | | | | Slavia Sofia | 3-2 | Dunav Russe | | | | Slavia Sofia | 3-1 | Shumen | | | | Akademik Varna | 2-3 | Levski-Spartak Sofia | | | | Akademik Varna | 3-2 | CSKA Sofia | | | | Akademik Varna | 2-3 | Slavia Sofia | | | | Akademik Varna | 0-3 | Akademik Sofia | | | | Akademik Varna | 3-1 | Pernik | | | | Akademik Varna | 3-0 | Dunav Russe | | | | Akademik Varna | 3-1 | Shumen | | | | Akademik Sofia | 0-3 | Levski-Spartak Sofia | | | | Akademik Sofia | 1-3 | CSKA Sofia | | | | Akademik Sofia | 0-3 | Slavia Sofia | | | | Akademik Sofia | 0-3 | Akademik Varna | | | | Akademik Sofia | 3-1 | Pernik | | | | Akademik Sofia | 3-0 | Dunav Russe | | | | Akademik Sofia | 3-0 | Shumen | | | | Pernik | 0-3 | Levski-Spartak Sofia | | | | Pernik | 0-3 | CSKA Sofia | | | | Pernik | 0-3 | Slavia Sofia | | | | Pernik | 0-3 | Akademik Varna | | | | Pernik | 1-3 | Akademik Sofia | | | | Pernik | 3-0 | Dunav Russe | | | | Pernik | 3-1 | Shumen | | | | Dunav Russe | 0-3 | Levski-Spartak Sofia | | | | Dunav Russe | 0-3 | CSKA Sofia | | | | Dunav Russe | 0-3 | Slavia Sofia | | | | Dunav Russe | 1-3 | Akademik Varna | | | | Dunav Russe | 0-3 | Akademik Sofia | | | | Dunav Russe | 3-2 | Pernik | | | | Dunav Russe | 2-3 | Shumen | | | | Shumen | 0-3 | Levski-Spartak Sofia | | | | Shumen | 0-3 | CSKA Sofia | | | | Shumen | 0-3 | Slavia Sofia | | | | Shumen | 0-3 | Akademik Varna | | | | Shumen | 1-3 | Akademik Sofia | | | | Shumen | 1-3 | Pernik | | | | Shumen | 0-3 | Dunav Russe | |
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Qualification Round | | 4 groups with 4 teams played quadruple round robin. First 2 from each group advanced to A1. Rest to A2. |
| | Group ? Round 10 | won | lst | sf | sa | | 1. | Levski-Spartak Sofia | 10 | 0 | 30: | 2 | | 2. | Dunav Ruse | 5 | 5 | 19: | 16 | | 3. | Dobrudzha Tolbuhin | 4 | 6 | 14: | 22 | | 4. | Feniks Vratsa | 1 | 9 | 6: | 29 |
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| Levski-Spartak Sofia and Dunav Ruse advanced to A1. | | Dovrudzha Tolbuhin and Feniks Vratsa advanced to A2. |
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| date | team 1 | score | team 2 | points | set 1 | set 2 | set 3 | set 4 | set 5 | | Fri 10.11.89 | Dobrudzha Tolbuhin | 3-0 | Feniks Vratsa | 48-27 | 15-5 | 15-7 | 18-16 | | | Fri 10.11.89 | Levski-Spartak Sofia | 3-1 | Dunav Ruse | 58-43 | 15-9 | 15-10 | 13-15 | 15-9 | |
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| | Group ? Final | won | lst | sf | sa | s rat | | 1. | Akademik Varna | 10 | 2 | 33: | 7 | | | 2. | Shumen | 7 | 5 | 23: | 20 | 1.19 | | 3. | Lokomotiv Sofia | 7 | 5 | 21: | 21 | 1.14 | | 4. | Perun Pazardzhik | 0 | 12 | 4: | 36 | |
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| Akademik Varna and Shumen advanced to A1. | | Lokomotiv Sofia and Perun Pazardzhik advanced to A2. |
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| date | team 1 | score | team 2 | points | set 1 | set 2 | set 3 | set 4 | set 5 | | played in Varna | | Thu 09.11.89 | Akademik Varna | --- | Shumen | | | Thu 09.11.89 | Lokomotiv Sofia | 3-0 | Perun Pazardzhik | 45-8 | 15-3 | 15-5 | 15-0 | | | Fri 10.11.89 | Shumen | 3-1 | Perun Pazardzhik | 57-31 | 12-15 | 15-4 | 15-6 | 15-6 | | | Fri 10.11.89 | Akademik Varna | 3-0 | Lokomotiv Sofia | 45-30 | 15-10 | 15-7 | 15-13 | |
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| In other 2 groups CSKA Sept. Zname, Akademik Sofia, Slavia and Pernik advanced to A1. | | Elektron Pleven, Maritsa Plovdiv, Rodopa Smolyan and 9-may Cherven Bryag advanced to A2. |
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