| Rk | Final Ranking | | 1. | Spartak Sofia | | 2. | Lokomotiv Sofia | | 3. | Akademik Sofia | | 4. | Balkan Botevgrad | | 5. | CSKA Ch. Zname Sofia | | 6. | Nikolay Laskov Yambol | | 7. | Minyor Pernik | | 8. | Slavia Sofia | | 9. | Dunav Ruse | | 10. | Haskovo |
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| Balkan Botevgrad played as Sofiyski Okrag. | | Dunav Ruse played as Rusenski Okrag. | | Minyor Pernik played as Pernishki Okrag. | | Nikolay Laskov Yambol played as Yambolski Okrag. | | Dimitar Kanev Haskovo played as Haskovski Okrag. | | All matches played at Slivnitsa hall, Sofia. |
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| Nikolay Laskov: Valcho Yordanov, Milcho Totev, Petar Abadzhiev, Dimo Dimov, Yordan Aleksandrov, Rosen Sabev, Atanas Petkov, Ivan Atanasov. |
| Rk | Group A | won | lst | pf | pa | p+- | ratio | | 1. | Spartak Sofia | 4 | 0 | 336: | 264 | +72 | 1.273 | | 2. | Akademik Sofia | 3 | 1 | 360: | 238 | +122 | 1.513 | | 3. | Pernik | 1 | 3 | 268: | 332 | -64 | 0.807 | | 4. | Nikolay Laskov Yambol | 1 | 3 | 262: | 326 | -64 | 0.804 | | 5. | Haskovo | 1 | 3 | 219: | 285 | -66 | 0.768 |
| Team | Spar | Akad | Niko | Pern | Hask | | Spartak Sofia | ----- | 73:70 | 96:77 | 95:61 | 72:56 | | Akademik Sofia | | ----- | 105:55 | 100:60 | 85:50 | | Nikolay Laskov Yambol | | | ----- | 78:71 | | | Pernik | | | | ----- | 76:59 | | Haskovo | | | 54:52 | | ----- |
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| date | team 1 _________ | score | team 2 _________ | HT | | Sat 22.10.66 | Spartak Sofia | 72-56 | Haskovo | | | Sat 22.10.66 | Akademik Sofia | 105-55 | Nikolay Laskov Yambol | | | Sun 23.10.66 | Spartak Sofia | 95-61 | Pernik | | | Sun 23.10.66 | Akademik Sofia | 85-50 | Haskovo | | | Mon 24.10.66 | Akademik Sofia | 100-60 | Pernik | | | Mon 24.10.66 | Haskovo | 54-52 | Nikolay Laskov Yambol | | | Tue 25.10.66 | Spartak Sofia | 73-70 | Akademik Sofia | | | Tue 25.10.66 | Lokomotiv Sofia | 68-67 | Sofiyski Okrag | | | Wed 26.10.66 | Spartak Sofia | 96-77 | Nikolay Laskov Yambol | | | Wed 26.10.66 | Pernik | 76-59 | Haskovo | |
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| Rk | Group B | won | lst | pf | pa | p+- | ratio | | 1. | Lokomotiv Sofia | 4 | 0 | 326: | 277 | +49 | 1.177 | | 2. | Balkan Botevgrad | 3 | 1 | 296: | 273 | +23 | 1.084 | | 3. | CSKA Ch. Zname Sofia | 1 | 3 | 280: | 290 | -10 | 0.966 | | 4. | Slavia Sofia | 1 | 3 | 251: | 275 | -24 | 0.913 | | 5. | Dunav Ruse | 1 | 3 | 290: | 328 | -38 | 0.884 |
| Team | Loko | Sofi | CSKA | Slav | Duna | | Lokomotiv Sofia | ----- | 68:67 | 76:69 | 96:64 | 86:77 | | Balkan Botevgrad | | ----- | 81:70 | 61:58 | 87:77 | | CSKA Ch. Zname Sofia | | | ----- | 63:52 | | | Slavia Sofia | | | | ----- | 77:55 | | Dunav Ruse | | | 81:78 | | ----- |
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| date | team 1 _________ | score | team 2 _________ | HT | | Sat 22.10.66 | Lokomotiv Sofia | 76-69 | CSKA Ch. Zname Sofia | | | Sat 22.10.66 | Sofiyski Okrag | 61-58 | Slavia Sofia | | | Sun 23.10.66 | Lokomotiv Sofia | 96-64 | Slavia Sofia | | | Sun 23.10.66 | Sofiyski Okrag | 87-77 | Dunav Ruse | | | Mon 24.10.66 | Lokomotiv Sofia | 86-77 | Dunav Ruse | | | Mon 24.10.66 | CSKA Ch. Zname Sofia | 63-52 | Slavia Sofia | | | Tue 25.10.66 | Nikolay Laskov Yambol | 78-71 | Pernik | | | Tue 25.10.66 | Dunav Ruse | 81-78 | CSKA Ch. Zname Sofia | | | Wed 26.10.66 | Slavia Sofia | 77-55 | Dunav Ruse | | | Wed 26.10.66 | Sofiyski Okrag | 81-70 | CSKA Ch. Zname Sofia | |
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