[Event "5th GRENKE Chess Classic 2018"] [Site "Baden-Baden"] [Date "2018.03.31"] [Round "1"] [White "Bluebaum, Matthias"] [Black "Vitiugov, Nikita"] [Result "0-1"] [ECO "D12"] [WhiteElo "2616"] [BlackElo "2735"] [Annotator "TA"] [PlyCount "50"] [EventDate "2018.??.??"] [EventType "tourn"] [EventCountry "GER"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 17,50,12,14,8,27,12,22,-124,0,-7,0,-3,-9,-10,0,-8,-10,-4,-4,-12,-8,-16,-8,-20,-30,-115,-122,-113,-102,-101,-102,-221,-223,-804,-804]} 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 Bf5 5. Nc3 e6 6. Nh4 Bg6 7. Bd2 {D12: Slav Defence: 3 Nf3 Nf6 4 e3 Bf5} Nbd7 8. Nxg6 hxg6 9. c5 (9. Qb3 Rb8 10. cxd5 cxd5 11. Bd3 a6 12. e4 dxe4 13. Nxe4 Nxe4 14. Bxe4 Rh4 15. f4 Bd6 {½-½ (32) Krasenkow,M (2651)-Sasikiran,K (2677) Germany 2017}) 9... e5 {LiveBook: 3 Games} 10. b4 Be7 11. b5 O-O $146 ({Predecessor:} 11... exd4 12. exd4 Nf8 13. bxc6 bxc6 14. Qa4 Qd7 {½-½ (45) Baumgartner,U (2381)-Mauro,L (2325) ICCF email 2016}) 12. Qa4 (12. bxc6 $11 bxc6 13. Be2) 12... Re8 (12... exd4 $17 13. exd4 Re8) 13. bxc6 $11 bxc6 {...exd4 is the strong threat.} 14. Be2 exd4 15. exd4 Nxc5 16. dxc5 d4 17. O-O ({Reject} 17. Qxc6 dxc3 18. Bxc3 Rc8 $17) 17... dxc3 18. Bxc3 Bxc5 19. Bf3 Rc8 $36 {[%mdl 2048] Black is more active.} 20. Bxc6 {Threatens to win with Rad1.} (20. Qc4 {keeps more tension.} Bb6 21. Rfe1 Qc7 22. Rxe8+ Rxe8 23. a4) 20... Re2 21. Bf3 {[#]} (21. Be1 $11 {remains equal.}) 21... Rxf2 $1 $17 {[%mdl 512]} 22. Rxf2 Bxf2+ 23. Kxf2 {Strongly threatening Bd4.} Rxc3 24. Qxa7 {[#]} (24. Rd1 $17 Qe7 25. Kf1) 24... Ne4+ $1 $19 {[%mdl 512]} 25. Kg1 $2 {[#]} (25. Bxe4 Qh4+ 26. Kg1 Qxe4 27. Rf1) 25... Ra3 $1 {[%mdl 512] Precision: White = 30%, Black = 66%.} 0-1 [Event "5th GRENKE Chess Classic 2018"] [Site "Baden-Baden"] [Date "2018.04.02"] [Round "3"] [White "Bluebaum, Matthias"] [Black "Carlsen, Magnus"] [Result "1/2-1/2"] [ECO "E92"] [WhiteElo "2631"] [BlackElo "2843"] [Annotator "TA"] [PlyCount "120"] [EventDate "2018.??.??"] [EventType "tourn"] [EventCountry "GER"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 26,120,18,16,10,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-5,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,8,8,8,0,0,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8]} 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. Be3 exd4 8. Nxd4 Re8 9. f3 c6 10. Bf2 d5 11. exd5 cxd5 12. O-O Nc6 13. c5 a6 {E92: King's Indian: Classical: 6 Be2 e5: 7 dxe5, 7 Be3 and Petrosian System without 7...Nbd7} (13... Bf8 14. Kh1 Bd7 15. Qd2 Rc8 16. Nb3 d4 17. Nxd4 Bxc5 18. Nxc6 Rxc6 19. Bxc5 Rxc5 20. Rad1 Qe7 21. Qd4 {½-½ (38) Inarkiev,E (2732)-Radjabov,T (2722) Monzon 2016}) 14. Qd2 {LiveBook: 4 Games. The position is equal.} Qa5 15. Rfe1 $146 ({Predecessor:} 15. Nb3 Qb4 16. Rfd1 Bf5 17. Bf1 Rac8 18. Rac1 Be6 19. Qc2 Bh6 20. a3 Qf4 21. Nd4 {0-1 (48) Taras,I (2239)-Lloveras Rebell,J (2200) ICCF email 2006}) 15... Qxc5 16. Ne6 Qa5 17. Nxg7 Kxg7 18. a3 d4 19. Bxd4 Nxd4 20. Qxd4 Rd8 21. Qe3 Bd7 22. Rad1 Be6 23. Rxd8 Rxd8 24. Rd1 Rxd1+ 25. Bxd1 Qd8 26. Be2 Qd6 27. f4 Bd7 28. Bf3 Bc6 29. Bxc6 Ng4 30. Qg3 Qc5+ $1 31. Kf1 Ne3+ 32. Ke2 Nf5 33. Qf2 Qxc6 34. g4 Qc4+ 35. Kd2 Nd4 36. Qe3 Nc6 37. Ne2 h5 38. h3 hxg4 39. hxg4 {[#]} g5 $1 {[%mdl 512]} 40. fxg5 Qxg4 41. Qc3+ Kg8 42. Qf6 Qg2 43. Ke3 Qh3+ 44. Kd2 Qd7+ 45. Kc2 Ne7 46. Nc3 Ng6 47. b4 (47. Qf3 {seems wilder.} Ne5 48. Qe4 Qc7 49. Qd5 Nc4 50. Kb3) 47... Nf8 48. Qe5 Qe6 49. Qxe6 (49. Qf4 {looks sharper.} b5 50. Qf6 Qc8 51. Kb2 Qe6 52. Qxe6 Nxe6 53. Ne4) 49... Nxe6 $11 {[%mdl 4096] Endgame KN-KN} 50. Ne4 Kg7 51. a4 b6 52. Kc3 Kg6 53. Kc4 {next b5 is good for White.} Nxg5 54. Nd6 {And now b5 would win.} f5 {[#]} 55. Nxf5 $1 {[%mdl 512]} Kxf5 {KN-KPP} 56. Kd5 Nf3 {Hoping for ...Ne5.} 57. Kc6 {[#]} b5 $1 58. axb5 Nd4+ 59. Kc5 Nxb5 60. Kb6 Ke5 {Precision: White = 79%, Black = 90%.} 1/2-1/2 [Event "5th GRENKE Chess Classic 2018"] [Site "Baden-Baden"] [Date "2018.04.04"] [Round "4"] [White "Bluebaum, Matthias"] [Black "Meier, Georg"] [Result "1/2-1/2"] [ECO "A40"] [WhiteElo "2616"] [BlackElo "2636"] [Annotator "TA"] [PlyCount "88"] [EventDate "2018.??.??"] [EventType "tourn"] [EventCountry "GER"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 21,88,19,20,7,8,14,18,0,0,0,0,0,16,11,15,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-3,-4,-8,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-8,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 e6 3. g3 Bb4+ 4. Bd2 Bxd2+ 5. Qxd2 d5 6. Bg2 c6 7. Nf3 Nbd7 8. O-O b6 9. Ne5 Bb7 10. Nc3 O-O 11. Rac1 Qe7 {The position is equal.} 12. Nxd7 {E16: Queen's Indian: 4 g3 Bb7 5 Bg2 Bb4+} (12. cxd5 cxd5 13. Nb5 a6 14. Rc7 Rab8 15. Rxb7 Rxb7 16. Nc6 Qe8 17. Nd6 Qa8 18. Rc1 Nb8 19. Nxb7 Qxb7 {1-0 (57) Radjabov,T (2724)-Bruzon Batista,L (2664) Tromsoe 2014}) 12... Qxd7 13. b3 $146 ({Predecessor:} 13. Rfd1 dxc4 14. e4 Rfd8 15. Qe2 b5 16. e5 Nd5 17. Ne4 Qe7 18. Nd6 {0-1 (38) Khenkin,I (2570)-Granda Zuniga,J (2605) Elenite 1993}) 13... Ba6 14. cxd5 cxd5 15. Qb2 Qe7 16. Rc2 Rac8 17. Rfc1 h6 18. Nb1 Rfd8 19. Rxc8 Rxc8 20. Rxc8+ Bxc8 21. Bf1 Ba6 22. e3 Bxf1 23. Kxf1 Ne4 24. Nd2 Nd6 25. Qc2 Qd7 26. a4 f6 27. Nf3 Kf7 28. Kg2 Qc8 29. Qxc8 Nxc8 $11 {[%mdl 4096] Endgame KN-KN} 30. Nd2 $1 Ne7 31. Kf3 Nc6 32. Ke2 e5 33. dxe5 fxe5 34. e4 Ke6 35. Kd3 g5 36. exd5+ Kxd5 37. Nc4 h5 38. Ne3+ Ke6 39. Ke4 Nd4 40. b4 g4 41. Nd5 Nf3 42. Nc7+ Kd7 43. Nd5 Ke6 44. Nc7+ Kd7 {Precision: White = 77%, Black = 81%.} 1/2-1/2 [Event "5th GRENKE Chess Classic 2018"] [Site "Baden-Baden"] [Date "2018.04.06"] [Round "6"] [White "Bluebaum, Matthias"] [Black "Anand, Viswanathan"] [Result "1-0"] [ECO "D30"] [WhiteElo "2616"] [BlackElo "2776"] [Annotator "TA"] [PlyCount "89"] [EventDate "2018.??.??"] [EventType "tourn"] [EventCountry "GER"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 17,89,27,42,21,26,26,19,19,19,19,19,15,22,16,18,15,30,7,20,18,27,20,103,98,97,116,105,106,98,108,103,96,118,118,89,78,78,81,78,88,98,93,171,177,163,119,240,235,225,158,233,215,215,215,215,200,336,294,336,329,329,299,299,0,310,299,406,415,703,703,703,696,870,849]} 1. d4 d5 2. c4 e6 3. Nf3 dxc4 4. e3 b5 5. a4 b4 6. Bxc4 {D21: Queen's Gambit Accepted: 3 Nf3 sidelines} Nf6 7. a5 (7. O-O Be7 8. Qe2 O-O 9. b3 Bb7 10. Bb2 Nbd7 11. Nbd2 c5 12. Rac1 Rc8 {½-½ (27) Bu,X (2730)-Inarkiev,E (2689) Riadh 2017}) 7... a6 8. Nbd2 Bb7 9. O-O c5 {LiveBook: 4 Games} 10. Nb3 Nbd7 11. dxc5 $146 ({Find the theoretical novelty and annotate with similar games:} 11. Qe2 Bd6 12. Rd1 {0-1 (38) Alfaro,W (2181)-Quesada Perez,Y (2541) Managua 2017}) 11... Nxc5 12. Nxc5 Bxc5 13. Qa4+ Qd7 14. Qxd7+ Nxd7 15. Bd2 Ke7 16. Rac1 Rhc8 17. Nd4 Ne5 18. Be2 {Threatens to win with Rxc5!} Bd6 19. Rfd1 Bd5 (19... Nc6 $11) 20. Rxc8 $16 Rxc8 21. Bxa6 Ra8 22. Bf1 Rxa5 23. Nb5 $1 {[%cal Rb5d6]} Bc5 24. Rc1 Ra2 25. Rxc5 Rxb2 26. e4 Rxd2 27. exd5 exd5 28. Rc1 b3 29. Rb1 b2 {[#]} (29... Nc4 $16) 30. Nc3 $1 $18 Nc4 {[#] Strongly threatening ...Na3.} 31. Nxd5+ $1 {[%mdl 512]} Rxd5 (31... Kd6 $16 32. Bxc4 Rc2 33. Rxb2 Rxb2) 32. Bxc4 {[%mdl 4096] Endgame KRB-KR} Rc5 33. Re1+ Kf6 (33... Kd6 $16 {might work better.} 34. Ba2 (34. Rd1+ Ke5 $17) 34... Ra5 35. Rd1+ Kc5 36. Rd5+ Kb6 37. Rxa5 Kxa5) 34. Bd3 Rd5 35. Bb1 ({Don't go for} 35. Bxh7 $2 g6 $19) 35... h5 36. g3 g5 (36... Rc5 {was necessary.} 37. Kf1 h4) 37. Kg2 g4 38. Re2 Rb5 39. Re8 Rd5 40. Re2 Rb5 41. h4 Kg7 42. Re7 Rd5 (42... Kf8 $142 43. Rc7 Ke8) 43. Rb7 {White is clearly winning.} Rd2 44. Ba2 Kh6 45. Bxf7 {Precision: White = 77%, Black = 55%.} 1-0 [Event "5th GRENKE Chess Classic 2018"] [Site "Baden-Baden"] [Date "2018.04.08"] [Round "8"] [White "Bluebaum, Matthias"] [Black "Vachier-Lagrave, Maxime"] [Result "1/2-1/2"] [ECO "A34"] [WhiteElo "2631"] [BlackElo "2789"] [Annotator "TA"] [PlyCount "89"] [EventDate "2018.??.??"] [EventType "tourn"] [EventCountry "GER"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 13,89,9,12,18,16,18,20,12,20,21,14,11,14,11,14,14,15,11,8,8,16,14,19,1,11,19,33,44,47,39,38,11,46,31,39,29,41,29,22,26,27,-7,0,-13,-13,-14,-10,-7,0,0,0,0,7,0,0,0,7,7,7,0,7,7,0,0,0,0,0,-57,-57,-207,-207,-207,-121,-121,-121,-121,0,0]} 1. Nf3 c5 2. c4 Nf6 3. Nc3 d5 4. cxd5 Nxd5 5. e3 Nxc3 6. dxc3 {A34: Symmetrical English: 2 Nc3, lines with ...d5} Qc7 (6... Qxd1+ 7. Kxd1 Nc6 8. e4 b6 9. Kc2 Bb7 10. Bf4 h6 11. Rd1 g5 12. Bg3 Bg7 13. h3 {½-½ (45) Harikrishna,P (2744)-Nepomniachtchi,I (2729) Riadh 2017}) 7. e4 Nc6 {LiveBook: 4 Games} 8. Qd2 e6 9. Qg5 f6 $146 ({Predecessor:} 9... h6 10. Qg3 Qxg3 11. hxg3 Bd6 12. Be3 b6 13. g4 {½-½ (42) Bluebaum,M (2640)-Tari,A (2599) Wijk aan Zee 2018}) 10. Qh5+ Qf7 11. Qxf7+ Kxf7 12. Be3 e5 13. Bc4+ Be6 14. Bxe6+ Kxe6 15. O-O-O Be7 16. Rd5 Rhd8 17. Rhd1 b6 18. g4 Na5 19. b3 Rxd5 20. exd5+ Kf7 21. c4 ({Much worse is} 21. d6 Bf8 $15) 21... Nb7 22. Nd2 Rh8 23. Rg1 Nd6 24. Kc2 Re8 25. Kd3 h5 {Hoping for ...hxg4.} 26. g5 f5 {White must now prevent ...f4.} 27. f4 e4+ 28. Ke2 g6 29. Rc1 Rc8 30. a4 Nb7 31. Nf1 Bf8 32. Bd2 Bg7 33. Ne3 a6 34. Bc3 Bd4 35. Kd2 Re8 36. Rc2 Nd6 37. Ra2 Nb7 $36 {[%mdl 2048] Black has good play.} 38. Rc2 Ke7 39. Ra2 Na5 40. Bxa5 ({White should play} 40. Rb2 $11) 40... bxa5 $15 41. Rc2 (41. Ng2 $15) 41... Rb8 $19 42. Rc3 h4 (42... Bxc3+ $19 43. Kxc3 Rh8) 43. h3 $17 Kd6 44. Kc2 Bxe3 (44... Bxc3 $2 45. Kxc3 Rb7 46. Kc2 $19) (44... Re8 $17 {And now ...Rb8 would win.} 45. Kd2 Bxc3+ 46. Kxc3 Re7) 45. Rxe3 {Precision: White = 64%, Black = 62%.} 1/2-1/2