[Event "2nd Pl. World team ch. 2012/13"] [Site "?"] [Date "2012.??.??"] [Round "?"] [White "Pervakov , Oleg"] [Black "?"] [Result "*"] [SetUp "1"] [FEN "2q5/8/p1r5/3k4/1p1P3Q/1KbP4/4P3/2R5 w - - 0 1"] [PlyCount "25"] [EventDate "2012.??.??"] [SourceTitle "CI120 Studies by Afek"] [Source "Chess Informant"] [SourceDate "2014.06.07"] [SourceVersion "1"] [SourceVersionDate "2014.06.07"] [SourceQuality "1"] 1. Rg1 $1 (1. Qe4+ $2 Kd6 2. Qe5+ Kd7 3. Rg1 Qf8 $1 4. Rg7+ Kc8 $1 $11) 1... Qe6 $1 (1... Bxd4 2. Rg5+ Be5 3. Qe4+ Kc5 4. Qxb4+ Kd5 5. Qe4+ Kc5 6. Qe3+ Kb5 7. Rxe5+ $18) (1... Qe8 2. Rg5+ Kd6 3. Qg3+ Kd7 4. Rg7+ Kc8 5. Rg8 $18) 2. Rg5+ Kd6+ 3. d5 Qf7 $1 (3... Qxd5+ 4. Rxd5+ Kxd5 5. Qe7 $18) 4. d4 $1 Kc7 $1 (4... Bxd4 5. Qxd4 Rc7 6. Rg6+ Qxg6 7. Qb6+ $18) 5. Qg3+ $1 (5. Qh2+ $2 Kb7 $19) 5... Kb6 (5... Kb7 6. Rg7 $18) 6. Qb8+ Ka5 7. Qb7 $3 (7. Qd8+ $6 Rb6 $1 (7... Kb5 $2 8. Qb8+ Rb6 (8... Ka5 9. Qb7 $3 $18) 9. Qc8 $1 Ka5 10. Rf5 $1 $18) 8. Qc7 $3 Qf6 $1 $11 (8... Qxc7 $2 9. d6+ Qc5 $5 10. Rxc5+ $1 $18)) 7... Rf6 $1 (7... Qxb7 8. dxc6+ $18) 8. Qe7 $3 (8. Qc8 $2 Bxd4 9. Qc4 Rf3+ $1 10. exf3 Qxf3+ $11) 8... Qxe7 (8... Kb6 9. Qc5+ Kb7 10. Re5 $1 Kb8 11. Re7 $18) (8... Bxd4 9. Qxb4# ) 9. d6+ Qe5 $1 (9... Kb6 10. dxe7 Re6 11. Rg6 $1 $18) 10. dxe5 (10. Rxe5+ $2 Kb6 11. Rd5 Rf8 $11) 10... Bxe5 (10... Kb6 11. exf6 Bxf6 12. Rf5 $18) 11. d7 $1 (11. Rxe5+ $2 Kb6 12. Rd5 Rf8 $1 13. e4 Kc6 14. Kxb4 Rd8 $11) 11... Rd6 (11... Rf8 12. Rxe5+ Kb6 13. Re8 $18) 12. Rxe5+ Kb6 13. Re6 $1 $18 {Themes: Multiple quiet queen sacrifices, battery play, pinning, fight to secure promotion.} *