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Queen's Indian Defense: Petrosian Variation

44%7%50%
1.d4Nf62.c4e63.Nf3b64.a3
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Train with puzzlesБаза дебютов
80% Bb744%7%50%11% Ba647%7%47%3% d542%7%51%3% c543%6%51%2% Be742%6%52%1% a540%6%54%0% Ne445%6%49%0% g643%7%50%0% h640%6%54%0% d642%55%0% c650%45%0% Nc640%55%