Win with Petroff Defense for Black with IM Marcin Sieciechowicz

IM Marcin Sieciechowicz is here with his latest 10-hour-long exclusive training, Petroff Defense for Black, that not only shows the EXCITING side of
IM Marcin Sieciechowicz is here with his latest 10-hour-long exclusive training, Petroff Defense for Black, that not only shows the EXCITING side of the opening (with illustrative games) but also covers rare lines that your opponents never saw before - more power to you as Black.

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