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| chess openings and defense theory | 1.18 | 0.5 | 8934 | 33 | 97 |
| modern chess opening theory | 0.62 | 1 | 2268 | 27 | 4 |
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| chess openings and strategy | 1.18 | 0.5 | 4270 | 27 | 13 |
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| opening principles for chess | 1.15 | 1 | 9143 | 28 | 46 |
| learn openings and chess theory | 0.45 | 0.7 | 6097 | 31 | 42 |
