Tata Steel Chess 2019: IM Elisabeth Paehtz gegen den 14-jährigen IM Vincent Keymer – LIVE

[Event "81st Tata Steel Challengers 2019"] [White "Paehtz, Elisabeth"] [Black "Keymer, Vincent"] [Site "Wijk aan Zee"] [Round "1"] [Annotator ""] [Result "1/2-1/2"] [Date "2019.01.12"] [WhiteElo "2477"] [BlackElo "2500"] [PlyCount "84"] 1. e4 {[%emt 0:0:0]} c5 {[%emt 0:0:0]} 2. Nf3 {[%emt 0:0:0]} d6 {[%emt 0:0:0]} 3. d4 {[%emt 0:0:0]} cxd4 {[%emt 0:0:0]} 4. Nxd4 {[%emt 0:0:0]} Nf6 {[%emt 0:0:0]} 5. Nc3 {[%emt 0:0:0]} a6 {[%emt 0:0:0]} 6. Be3 {[%emt 0:0:0]} e5 {[%emt 0:0:3]} 7. Nb3 {[%emt 0:0:0]} Be6 {[%emt 0:0:11]} 8. f3 {[%emt 0:0:0]} h5 {[%emt 0:0:30]} 9. Qd2 {[%emt 0:0:10]} Nbd7 {[%emt 0:0:26]} 10. 0-0-0 {[%emt 0:1:49]} Be7 {[%emt 0:6:26]} 11. Kb1 {[%emt 0:1:37]} b5 {[%emt 0:7:13] B90: Sicilian Najdorf: Unusual White 6th moves, 6 Be3 Ng4 and 6 Be3 e5} 12. a3 {[%emt 0:0:5]} (12. h4 0-0 13. Bg5 Rc8 14. a3 Qc7 15. g4 hxg4 16. fxg4 Nb6 17. Bxf6 Bxf6 18. g5 {½-½ (70) Yu,Y (2751)-Vachier Lagrave,M (2789) Riadh 2017} )Rc8 {[%emt 0:9:36]} 13. h4 {[%emt 0:6:30]} Nb6 {[%emt 0:24:32]} 14. Bg5 {[%emt 0:7:23]} Qc7 {[%emt 0:13:59]} 15. Bxf6 {[%emt 0:15:30]} gxf6 {[%emt 0:1:26][#]} 16. Nd5 $0 $146 {[%emt 0:0:38]} ({Predecessor:} 16. Na5 Rg8 17. g4 hxg4 18. fxg4 Rxg4 19. h5 Rg8 {1-0 (27) Demchenko,A (2645)-Areshchenko,A (2652) Tbilisi 2017} )Bxd5 {[%emt 0:3:50]} 17. exd5 {[%emt 0:0:4]} Nc4 {[%emt 0:0:6]} 18. Qf2 {[%emt 0:9:50]} f5 {[%emt 0:3:46]} 19. g3 {[%emt 0:3:32]} Bf6 {[%emt 0:14:35]} 20. c3 {[%emt 0:1:48]} a5 {[%emt 0:0:18]} 21. Bd3 {[%emt 0:6:28]} a4 {[%emt 0:1:52]} 22. Na1 {[%emt 0:6:20]} f4 {[%emt 0:1:22]} (22... Qc5 $0 $11 { remains equal.} 23. Qg1 {[#]} Nxa3+ $1 {} 24. Ka2 (24. bxa3 Qxa3 25. Rd2 e4 $0 $17 )Nc4 25. Bxf5 Rb8 26. Qxc5 dxc5 )23. gxf4 {[%emt 0:1:55]} exf4 {[%emt 0:0:8]} (23... Qc5 $0 $14 24. Qe2 Kf8 )24. Bxc4 {[%emt 0:0:27]} bxc4 {[%emt 0:3:11]} 25. Nc2 {[%emt 0:1:54]} Rg8 {[%emt 0:3:25]} 26. Nb4 {[%emt 0:9:37]} Qc5 {[%emt 0:3:6]} 27. Qc2 {[%emt 0:0:33]} Kf8 {[%emt 0:7:51]} 28. Qf5 {[%emt 0:1:7]} ({ But not} 28. Qxa4 $6 Rg2 $0 $11 )Rg2 $1 {[%emt 0:1:20]} 29. Rhf1 {[%emt 0:11:23]} Kg7 {[%emt 0:2:49]} 30. Qxf4 {[%emt 0:9:8]} Re8 $1 {[%emt 0:0:22]} 31. Rd2 {[%emt 0:1:56]} Rxd2 {[%emt 0:0:41]} 32. Qxd2 {[%emt 0:0:4]} Qe3 $1 {[%emt 0:0:8]} 33. Qh2 {[%emt 0:3:52]} Qe5 {[%emt 0:0:50]} 34. Qg2+ {[%emt 0:1:51]} Kh6 {[%emt 0:0:23]} 35. Qd2+ {[%emt 0:3:30]} Qe3 {[%emt 0:0:45]} 36. Qh2 {[%emt 0:0:33]} Be5 {[%emt 0:0:55]} (36... Qe5 $0 $11 { keeps the balance.} 37. Qh3 Qf4 )37. Qc2 {[%emt 0:0:5]} Qf4 {[%emt 0:1:4]} ({ Black should try} 37... Rg8 )38. Qxa4 {[%emt 0:0:52]} Rg8 {[%emt 0:0:7]} 39. Qc2 {[%emt 0:1:45]} Qxh4 {[%emt 0:0:33]} 40. a4 {[%emt 0:0:0]} Qh3 {[%emt 0:0:0]} 41. Qc1+ {[%emt 0:10:15]} Kh7 {[%emt 0:1:56]} 42. f4 {[%emt 0:2:18]} Bf6 $0 $16 {[%emt 0:3:17]} 1/2-1/2