Hedgehog variation: WIM Solozhenkina Elizaveta - GM Ponkratov Pavel, Rapid chess

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Tal Memorial Rapid, 2019, Riga

The Hedgehog is a pawn formation in chess adopted usually by Black that can arise from several openings. Black exchanges his pawn on c5 for White's pawn on d4, and then places pawns on squares a6, b6, d6, and e6. These pawns form a row of "spines" behind which Black develops his forces. Typically, the bishops are placed on b7 and e7, knights on d7 and f6, queen on c7, and rooks on c8 and e8 (or c8 and d8). Although Black's position is cramped, it has great latent energy, which may be released if Black is able to play ...b5 or ...d5 at some point. These pawn breaks are particularly effective because White usually places his own pawns on c4 and e4 (the Maróczy Bind).

WIM Solozhenkina, Elizaveta - GM Ponkratov, Pavel
1. e4 c5 2. Nf3 b6 3. d4 cxd4 4. Nxd4 Bb7 5. Bd3 g6 6. O-O Bg7 7. Nb3 d6 8. a4 Nf6 9. Re1 a6 10. Nc3 O-O 11. Be3 Nbd7 12. f3 Rc8 13. Qe2 Ra8 14. Qf2 Qc7 15. Nd2 d5 16. exd5 Nxd5 17. Nxd5 Bxd5 18. c3 e5 19. c4 Bc6 20. Nb3 Rfe8 21. a5 bxa5 22. Nxa5 e4 23. fxe4 Bxe4 24. Bf4 Qc5 25. Bxe4 Bd4 26. Be3 Rxe4 27. Bxd4 Qxd4 28. Qxd4 Rxd4 29. Rad1 Rxd1 30. Rxd1 Ne5 31. Rd5 f6 32. Rd6 Kf7 33. b3 h5 34. Rb6 Rd8 35. Rxa6 Ng4 36. Ra7+ Ke6 37. Kf1 Rd2 38. c5 Ne3+ 39. Ke1 Rc2 40. c6 Nxg2+ 41. Kd1 Ne3+ 42. Ke1 f5 43. c7 Kd7 44. Ra6
Blitz chess (also known as speed or fast chess) is a type of chess in which each player is given less time to consider their moves than normal tournament time controls allow. Openings, tactics and strategy are same.

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