Learn crucial chess strategy in this 14-minute video lesson where Grandmaster Igor Smirnov reveals three key scenarios for identifying poisoned pawns - seemingly safe pawns whose capture leads to material loss or positional disadvantage. Master this strategic concept through analysis of high-profile matches including Spassky vs. Fischer, Nepomniachtchi vs. Carlsen, and Mamedyarov vs. Carlsen. Study practical examples and scenarios that demonstrate when pawns are poisoned, why they shouldn't be captured, and how to both avoid these traps and set them for opponents. Includes a puzzle segment and student Q&A to reinforce understanding of this important tactical element.