[Event "V Magistral Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.17"]
[Round "1.1"]
[White "Lima, Darcy"]
[Black "Tristan, Leonardo"]
[Result "1-0"]
[ECO "C96"]
[WhiteElo "2535"]
[BlackElo "2493"]
[Annotator "TA"]
[PlyCount "73"]
[EventDate "2019.02.17"]
[EventType "tourn"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,73,43,0,58,63,62,78,69,54,136,127,153,137,171,102,109,39,99,95,75,87,92,32,48,8,24,26,22,0,0,0,0,0,0,0,0,0,0,0,0,-41,0,0,0,-34,1134,918,734,233,29995,29996,29999,-1665]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Na5 10. Bc2 c5 11. d4 Nd7 12. b3 cxd4 {C96: Closed Ruy Lopez: Chigorin Defence: 11 d4, replies other than 11...Qc7} (12... exd4 $11 13. cxd4 Nc6) (12... exd4 13. cxd4 Nc6 14. Nc3 Bf6 15. Be3 cxd4 16. Nxd4 Nxd4 17. Bxd4 Bb7 18. Rc1 Rc8 19. Bb1 b4 20. Ne2 Rxc1 21. Qxc1 {½-½ (31) Kulaots,K (2566)-Howell,D (2671) Gjakova 2016}) 13. cxd4 $14 Nc6 14. Nc3 Nb6 {White is better.} 15. Be3 Qc7 $146 (15... Nxd4 $14 16. Nxd4 exd4 17. Qxd4 (17. Bxd4 Bf6 $14) 17... Bf6) ({Predecessor:} 15... Bf6 16. Rc1 Rb8 17. Bb1 Nxd4 18. Nxd4 exd4 19. Bxd4 Bb7 20. Be3 {½-½ (50) Kargin,A (2406)-Turova,I (2385) Budapest 2005}) 16. Rc1 $16 exd4 17. Nxd4 Nxd4 18. Bxd4 (18. Qxd4 $18 {And now e5 would win.} Bf6 19. e5 (19. Qxb6 Qxb6 20. Bxb6 Bxc3 $14) 19... Bxe5 20. Qh4 (20. Qxb6 Qxb6 21. Bxb6 Bxc3 $14)) 18... Bg5 19. Rb1 ({White should try} 19. Be3 $16 Bxe3 20. Rxe3) 19... Be6 ({Better is} 19... b4 $14 20. Nd5 Nxd5 21. exd5 Qd8) 20. Qd3 {Strongly threatening e5.} g6 21. Qg3 Bh6 22. Re2 (22. f4 $16) 22... Rac8 $1 $14 23. Rd1 Bg7 $1 {[%cal Rg7d4]} 24. Bxg7 Kxg7 25. Rxd6 Qxc3 26. Rxb6 Qa1+ 27. Kh2 Qxa2 28. Qe5+ Kg8 29. Rxe6 fxe6 30. Qxe6+ Kg7 31. Qd7+ Kh6 (31... Kh8 $5 {[%cal Rc8c2]} 32. Qd4+ Kg8 $15) 32. Qd2+ Kg7 33. e5 Rfd8 $2 {[%mdl 8192]} (33... Qa3 $15) 34. Qg5 $18 Qa3 {[#]} 35. Bf5 $2 (35. Bxg6 $1 {[%mdl 512] Intending Qf6+ and mate.} hxg6 36. Qf6+ Kg8 37. Qxg6+ Kf8 38. Re4) 35... Rb8 $2 (35... Qf8 $18 36. Bxc8 Rxc8) 36. Qf6+ Kh6 (36... Kg8 37. Qd6 $4 {[%mdl 40960] Accuracy: White = 37%, Black = 48%. . An unexpected result.} (37. Be6# {was the only winning move.})) 37. Re4 1-0

[Event "V Magistral Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.17"]
[Round "1.2"]
[White "Roselli Mailhe, Bernardo"]
[Black "Hungaski, Robert"]
[Result "1-0"]
[ECO "D56"]
[WhiteElo "2434"]
[BlackElo "2520"]
[Annotator "TA"]
[PlyCount "95"]
[EventDate "2019.02.17"]
[EventType "tourn"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,95,18,14,15,11,23,16,4,8,19,0,15,0,0,0,0,0,0,-4,-12,-25,-10,-11,-12,-6,-10,-22,-5,0,0,0,8,8,69,0,0,-68,0,0,0,0,0,4,23,24,26,27,10,68,77,61,125,109,117,109,152,155,155,147,298,297,314,315,282,238,238,238,238,238,238,238,879,855,1000,973,881,917,1891,1860,29994,2401,29995,29996]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. Bg5 h6 6. Bh4 O-O 7. e3 Nbd7 8. Rc1 c5 {D63: Queen's Gambit Declined: Classical: 7 Rc1} 9. dxc5 dxc4 (9... Nxc5 10. cxd5 g5 11. Bg3 Nxd5 12. Nxd5 Qxd5 13. Qxd5 exd5 14. Nd4 Bd7 15. Be2 Rac8 16. O-O {½-½ (31) Ivanchuk,V (2710)-Yu,Y (2765) Batumi 2018}) 10. Bxc4 Nxc5 {The position is equal.} 11. O-O a6 12. Be2 b5 13. Nd4 {Hoping for b4.} Bb7 14. Bf3 Qb6 15. Bxb7 Qxb7 {[#]} 16. Qe2 $146 ({Predecessor:} 16. Bxf6 Bxf6 17. Ncxb5 axb5 18. Rxc5 Bxd4 19. Qxd4 Ra7 {½-½ (40) Piket,J (2615)-Graf,A (2515) Manila 1992}) 16... Rfc8 17. Rfd1 Ncd7 18. Qf3 Qxf3 19. gxf3 Bb4 (19... g5 $5 20. Bg3 $8 Bb4 $11) 20. Ne4 Nxe4 21. fxe4 Ne5 22. Bg3 Nc4 23. Rc2 Rd8 (23... e5 $11 24. Nf5 Rd8) 24. Ra1 (24. b3 $14 Na3 25. Rc6) 24... Rac8 $11 25. b3 (25. Rac1 $11) 25... Na3 ({Black should try} 25... Nd2 $1 $15 26. Rxc8 Rxc8) 26. Rc6 Rxc6 27. Nxc6 Bc3 28. Rc1 $36 {[%mdl 2048] White fights for an advantage.} Bb2 29. Ne7+ Kf8 30. Rc7 Rd1+ 31. Kg2 g5 32. Nc6 Nc2 (32... Rd2 $14) 33. Be5 Bxe5 34. Nxe5 $16 {[%mdl 4096] Endgame KRN-KRN} Rd2 35. Rxf7+ Ke8 36. Kg3 Nb4 $2 {[#]} (36... h5 $16 {was called for.} 37. a4 h4+ 38. Kg4 Na1) 37. Rh7 Rxa2 38. Rxh6 Ke7 39. Rh7+ Ke8 40. Rg7 Rb2 41. Rxg5 Rxb3 42. h4 Rb1 $2 (42... Nd3 43. Nf3 Rb1) 43. Kg2 $18 Rc1 44. h5 Kf8 45. Nd7+ Kf7 46. h6 {[#] Threatening mate with Rg7+.} Nd3 47. Rg7+ Ke8 48. h7 {Accuracy: White = 67%, Black = 51%.} 1-0

[Event "V Magistral Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.17"]
[Round "1.3"]
[White "Hoffman, Alejandro"]
[Black "Lopez Azambuja, Nicolas"]
[Result "1/2-1/2"]
[ECO "E10"]
[WhiteElo "2461"]
[BlackElo "2320"]
[Annotator "TA"]
[PlyCount "162"]
[EventDate "2019.02.17"]
[EventType "tourn"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 30,162,0,-25,0,-23,-10,-39,-31,-35,0,0,0,0,-4,7,41,32,39,0,-20,-21,0,0,105,64,62,60,73,50,58,59,62,47,54,56,78,60,81,33,33,7,7,19,29,4,18,7,16,0,3,10,18,14,20,21,50,22,29,20,40,14,35,7,8,8,11,4,4,4,4,4,6,0,0,0,0,0,6,-50,-53,-45,-11,-9,-10,-59,-50,-164,-164,-168,-97,-164,-164,-164,-164,-164,-53,-53,-53,-164,-53,-164,-164,-157,-53,-53,-56,-157,-157,-157,-157,-157,-157,-154,-154,-142,-24,-24,-5,-8,-5,-5,0,0,0,0,0,0,0,0,0,0,8,8,8]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. e3 Be7 5. b3 O-O 6. Bd3 c5 7. O-O Nc6 8. Bb2 cxd4 9. exd4 b6 10. Nbd2 Bb7 11. Rc1 Rc8 12. Qe2 Re8 13. Rfd1 Bf8 14. h3 g6 {E14: Queen's Indian: Classical Variation (4 e3)} 15. Qe3 Bg7 (15... Qe7 16. Ne5 dxc4 17. Nxc6 Bxc6 18. bxc4 Bg7 19. Bf1 Qb7 20. Qb3 Red8 21. Nb1 Rc7 22. d5 exd5 23. Bxf6 Bxf6 24. cxd5 {0-1 (54) Shaposhnikov,E (2563)-Jakovenko,D (2730) Khanty-Mansiysk 2017}) 16. Ne5 {LiveBook: 14 Games} Qe7 {Black has an edge.} 17. f4 Bh6 $146 ({Predecessor:} 17... dxc4 18. bxc4 Qb4 19. Ba1 Qa4 20. Ndf3 Nb4 21. Be2 Nh5 22. Ne1 {½-½ (34) Smejkal,J (2555)-Ogaard,L (2435) Kiel 1978}) 18. Nxc6 Bxc6 19. c5 Nh5 20. g3 bxc5 21. Rxc5 Bb7 22. b4 Qf6 23. Nb3 $36 {[%mdl 2048] White fights for an advantage.} Bf8 24. Ra5 ({White should try} 24. Rxc8 $14 Rxc8 25. a3) 24... Bxb4 $11 25. Rxa7 Ba8 26. Rb1 Bc3 {[#]} (26... Rb8 $11 {keeps the balance.}) 27. Rxa8 $1 {[%mdl 512]} Rxa8 28. Bxc3 Rxa2 29. Nc1 {[%cal Bb3c1,Bc1e2,Be2c3,Bc3b5][%mdl 32]} Ra7 30. Ne2 Rc8 31. Be1 Qd8 32. g4 Ng7 33. Nc3 Rca8 34. Nb5 Ra1 35. Qc1 Rxb1 36. Qxb1 Qb8 37. Qc1 Qc8 38. Qc5 Qb8 39. Bd2 Qd8 40. Kg2 Qh4 41. Qc3 Qd8 42. Be1 Qb8 43. Bg3 Qc8 44. Qc5 Qd8 45. Kf3 (45. Na7 {is more complex.} Ne8 46. Nc6 Ra2+ 47. Bf2 Qc7 48. Ne5) 45... Rc8 46. Bh4 Rxc5 47. Bxd8 Rc1 48. Bb6 Rh1 49. Kg2 Rd1 50. Be2 Rb1 51. Bc5 Rb2 52. Kf2 Rb3 53. Bf1 Ne8 54. Na3 (54. Be7 $11) 54... Nf6 $15 55. Bg2 Ne4+ 56. Bxe4 $1 dxe4 57. Nc4 Rxh3 58. Ne3 (58. g5 $15) 58... Rf3+ 59. Ke2 Rxf4 (59... f6 $19 60. g5 Rxf4 61. gxf6 Rxf6) 60. Bd6 (60. d5 $17 {keeps fighting.} exd5 61. Nxd5) 60... Rf3 $19 61. g5 f6 62. gxf6 Rxf6 63. Ng4 $1 {[%cal Rg4f6]} Rf3 64. Nf2 ({Better is} 64. Be5 $1 $15) 64... Rb3 (64... h6 $1 $19 65. Nxe4 Rh3) 65. Nxe4 (65. Bf4 $1 $15) 65... h6 $1 66. Nc5 Rb2+ ({Black should play} 66... Rb6 $17 67. Bc7 Rb2+ 68. Ke3 Kf7) 67. Kf3 $1 $15 Kf7 68. Nd3 (68. Bc7 $15) 68... Ra2 $17 69. Ne5+ {[#]} Kg7 $1 70. Nd7 {[#] White wants to play Bf8+.} g5 $1 71. Bf8+ Kg6 72. Ne5+ Kf5 (72... Kh7 $17 73. Be7 Kg7) 73. Bxh6 $11 Ra3+ 74. Kg2 {The position is equal.} Ra4 75. Nf3 g4 76. Nh4+ Ke4 77. Bg7 Kf4 {Hoping for ...Kg5.} 78. Ng6+ Kf5 79. Ne7+ Ke4 80. Kg3 Ra7 81. Bf6 Rxe7 {Precision: White = 47%, Black = 49%.} 1/2-1/2

[Event "V Magistral Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.17"]
[Round "1.4"]
[White "Larrea, Manuel"]
[Black "Carbone, Diego"]
[Result "1/2-1/2"]
[ECO "C54"]
[WhiteElo "2269"]
[BlackElo "2256"]
[Annotator "TA"]
[PlyCount "43"]
[EventDate "2019.02.17"]
[EventType "tourn"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,43,14,20,25,27,10,12,14,22,17,31,-4,14,-13,19,22,18,-4,21,21,21,13,22,-25,-20,-25,-16,-22,-22,-27,-4,-7,0,-25]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 d6 6. O-O a6 7. a4 {C54: Giuoco Piano: 4 c3 Nf6, main lines with 5 d4 and 5 d3} Ba7 (7... O-O 8. Bg5 h6 9. Bh4 g5 10. Bg3 Ba7 11. Nbd2 Nh7 12. h3 h5 13. d4 h4 14. Bh2 g4 15. hxg4 Bxg4 16. dxe5 dxe5 {1-0 (45) Duda,J (2738)-Kramnik,V (2777) Wijk aan Zee 2019}) 8. Bb3 h6 9. Be3 O-O 10. Nbd2 Ne7 11. Bc2 $146 ({Predecessor:} 11. Bxa7 Rxa7 12. d4 Ng6 13. Re1 Ra8 14. Nf1 Re8 {1-0 (40) Barua,D (2555)-Ibragimov,I (2611) Guntur 2000}) 11... Ng6 12. h3 Re8 13. d4 Nh5 14. Nc4 Be6 15. d5 Bd7 16. Bxa7 Rxa7 17. Nfxe5 Nxe5 18. Nxe5 Rxe5 19. f4 Nxf4 $1 20. Rxf4 Qg5 21. Qf3 f6 22. Kh2 {Accuracy: White = 48%, Black = 34%.} 1/2-1/2

[Event "V Magistral Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.17"]
[Round "1.5"]
[White "Lujan, Carolina"]
[Black "Gemy, Jose Daniel"]
[Result "0-1"]
[ECO "C50"]
[WhiteElo "2357"]
[BlackElo "2391"]
[Annotator "RC"]
[PlyCount "76"]
[EventDate "2019.02.17"]
[EventType "tourn"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:00:42]} e5 {[%emt 0:11:42]} 2. Nf3 {[%emt 0:00:07]} Nc6 {[%emt 0:00:05]} 3. Bc4 {[%emt 0:00:05]} Bc5 {[%emt 0:00:06]} 4. O-O {[%emt 0:00:30]} Nf6 {[%emt 0:00:05]} 5. d3 {[%emt 0:00:03]} O-O {[%emt 0:01:02]} 6. Bb3 {[%emt 0:00:11]} d6 {[%emt 0:01:18]} 7. c3 {[%emt 0:00:12]} a6 {[%emt 0:01:22]} 8. h3 {[%emt 0:06:51]} h6 {[%emt 0:00:37]} 9. Re1 {[%emt 0:00:17]} Be6 {[%emt 0:00:17]} 10. Bc2 {[%emt 0:04:17]} d5 {[%emt 0:02:30]} 11. exd5 {[%emt 0:03:44]} Qxd5 {[%emt 0:00:14]} 12. b4 {[%emt 0:14:18]} Ba7 {[%emt 0:01:58]} 13. Nbd2 {[%emt 0:01:31]} Bf5 {[%emt 0:27:45]} 14. Qe2 {[%emt 0:26:34]} Bh7 {[%emt 0:06:26]} 15. Ne4 {[%emt 0:05:15]} Qe6 {[%emt 0:06:45]} 16. Nc5 {[%emt 0:07:25]} Bxc5 {[%emt 0:08:43]} 17. bxc5 {[%emt 0:00:04]} Qd5 {[%emt 0:00:25]} 18. Qe3 {[%emt 0:08:05]} Rad8 {[%emt 0:05:47]} 19. Rd1 {[%emt 0:00:59]} Rfe8 {[%emt 0:04:19]} 20. Ba3 {[%emt 0:04:28]} Qd7 {[%emt 0:03:21]} 21. Ba4 {[%emt 0:00:44]} Nd5 {[%emt 0:04:06]} 22. Qd2 {[%emt 0:06:43]} Nf4 {[%emt 0:01:20]} 23. d4 {[%emt 0:01:13]} Nxh3+ {[%emt 0:03:35]} 24. Kh2 {[%emt 0:05:32]} Qg4 {[%emt 0:02:52]} 25. gxh3 {[%emt 0:00:28]} Qxf3 {[%emt 0:00:06]} 26. Rg1 {[%emt 0:01:09]} exd4 {[%emt 0:00:34]} 27. Bxc6 {[%emt 0:01:24]} bxc6 {[%emt 0:00:14]} 28. Rg3 {[%emt 0:00:26]} dxc3 {[%emt 0:00:29]} 29. Qxc3 {[%emt 0:00:18]} Qxf2+ {[%emt 0:00:42]} 30. Rg2 {[%emt 0:00:01]} Qf4+ {[%emt 0:00:21]} 31. Kg1 {[%emt 0:00:13]} Qe3+ {[%emt 0:01:09]} 32. Qxe3 {[%emt 0:00:01]} Rxe3 {[%emt 0:00:04]} 33. Bb2 {[%emt 0:00:07]} Bg6 {[%emt 0:00:46]} 34. h4 {[%emt 0:00:23]} Rh3 {[%emt 0:00:38]} 35. Rg4 {[%emt 0:02:03]} h5 {[%emt 0:00:11]} 36. Rb4 {[%emt 0:00:23]} Rd2 {[%emt 0:00:34]} 37. Re1 {[%emt 0:00:25]} Rhh2 {[%emt 0:01:29]} 38. Re8+ {[%emt 0:00:39]} Kh7 {[%emt 0:00:02]} 0-1

[Event "V Magistral Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.18"]
[Round "2.1"]
[White "Tristan, Leonardo"]
[Black "Gemy, Jose Daniel"]
[Result "1-0"]
[ECO "A45"]
[WhiteElo "2493"]
[BlackElo "2391"]
[Annotator "TA"]
[PlyCount "85"]
[EventDate "2019.02.17"]
[EventType "tourn"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,85,6,0,-13,-4,12,1,3,5,44,45,42,41,49,46,39,89,70,42,47,42,69,60,98,44,77,51,54,53,70,70,68,70,76,74,128,120,127,129,138,143,145,139,130,138,193,183,186,180,321,325,347,309,381,368,357,377,341,341,360,245,245,245,245,245,462,456,2357,2274,29983,29984,29984,29985,29985,1328]} 1. d4 Nf6 2. Bf4 g6 3. Nc3 d5 4. Nb5 (4. e3 Bg7 5. h4 c6 6. Be2 h5 7. Nf3 Bg4 8. Ne5 Bxe2 9. Qxe2 Nbd7 10. O-O-O Rc8 11. f3 {0-1 (60) Nabaty,T (2692)-Rodshtein,M (2674) Czech Republic 2019}) 4... Na6 5. e3 Bg7 6. Nf3 {A45: Trompowsky Attack} O-O 7. Be2 {LiveBook: 20 Games} Nh5 8. Bg5 {The position is equal.} h6 $146 ({Predecessor:} 8... f6 9. Bh4 g5 10. Nd2 gxh4 11. Bxh5 c6 12. Nc3 e5 13. Nf3 {½-½ (62) Balog,I (2539)-Nagy,G (2472) Hungary 2018}) 9. Bh4 g5 10. Ne5 Nf6 11. Bg3 Ne4 12. Nc3 Nxg3 13. hxg3 Nb4 14. a3 Nc6 15. Nxc6 bxc6 16. f4 e6 17. Na4 Qe7 18. Bd3 ({Better is} 18. Qd3 $16) 18... f6 19. Qh5 {aiming for Qg6.} e5 20. Qg6 {[#] Hoping for fxe5.} e4 21. Be2 $40 {[%mdl 128] White has some attack.} Qf7 22. Qxf7+ Kxf7 23. c4 Ke7 ({Black should play} 23... a5) 24. Rc1 Kd6 25. cxd5 cxd5 26. Bb5 {Strongly threatening Rc6+.} Bd7 27. Bxd7 Kxd7 28. f5 {[%cal Bf4f5,Bf5e6][%mdl 32]} Rfe8 (28... Kd6 $16 29. Rc2 c6) 29. Nc5+ Kd6 30. Ne6 Rxe6 (30... Bf8 $142 31. Nxc7 Rec8) 31. fxe6 $18 {[%mdl 4096] Endgame KRR-KRB} Rb8 32. b4 c6 33. Rc5 Rb6 34. O-O Kxe6 35. Rfc1 Kd6 36. b5 cxb5 37. Rc7 Bf8 38. Rxa7 Ke6 $2 (38... Rc6 {was necessary.} 39. Rxc6+ Kxc6) 39. Rc8 b4 (39... Bd6 $142 40. g4 Rb8) 40. g4 b3 41. Re8+ {White mates.} Kd6 42. Rxf8 {[%cal Rf8f6]} Ke6 43. Raf7 {Precision: White = 74%, Black = 40%.} (43. Rh7 $142 Rb5 44. Ra8 Rb6 45. Re8+ Kd6 46. Rf8 Ke6 {[#]} 47. Rxf6+ $1 {[%mdl 512]} Kxf6 48. Rxh6+ Kf7 49. Rxb6) 1-0

[Event "V Magistral Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.18"]
[Round "2.2"]
[White "Carbone, Diego"]
[Black "Lujan, Carolina"]
[Result "1/2-1/2"]
[ECO "D76"]
[WhiteElo "2256"]
[BlackElo "2357"]
[Annotator "TA"]
[PlyCount "80"]
[EventDate "2019.02.17"]
[EventType "tourn"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,80,31,30,43,10,18,9,31,29,35,0,0,-16,0,-18,-33,-27,0,-14,0,0,35,34,27,27,49,56,50,51,44,44,41,54,86,93,110,21,29,22,28,29,83,8,85,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 d5 5. cxd5 Nxd5 6. Nf3 O-O 7. O-O Nb6 8. Nc3 Nc6 9. e3 a5 10. b3 Bf5 {D76: Fianchetto Grünfeld: Main Line with 7...Nb6} (10... e5 11. dxe5 Nxe5 12. Nxe5 Bxe5 13. Bb2 c6 14. Qc2 Qe7 15. Rad1 Bg4 16. f3 Be6 17. f4 Bg7 18. e4 {0-1 (78) Giri,A (2734)-Le,Q (2703) Beijing 2013}) 11. Ba3 Nb4 $146 ({Predecessor:} 11... Re8 12. Rc1 Nb4 13. Ne5 f6 14. Nf3 c6 15. Qd2 e5 16. h3 e4 17. Nh2 N4d5 18. Bc5 Nxc3 19. Bxb6 Qxb6 20. Qxc3 {½-½ (61) Najdorf,M-Ljubojevic,L Manila 1973}) 12. Rc1 Bd3 13. Re1 Ba6 14. Bxb4 axb4 15. Ne4 {[%cal Bc3e4,Be4d2,Bd2c4][%mdl 32]} Nd5 16. Qc2 b6 17. Ne5 Bb5 18. Nd2 c5 19. Ndc4 {Strongly threatening Bxd5.} e6 20. dxc5 bxc5 21. Red1 {e4 is the strong threat.} Qc7 22. Bxd5 exd5 23. Rxd5 Rfd8 24. Rcd1 Rxd5 25. Rxd5 Bxc4 26. Nxc4 Qa7 27. g4 ({White should play} 27. Qd3 $16) 27... Qb7 $11 28. Qd2 Bc3 29. Rd8+ Rxd8 (29... Kg7 $11 {keeps the balance.} 30. Qd5 Qxd5 31. Rxd5 Rxa2) 30. Qxd8+ $16 Kg7 {[#]} 31. Nd6 (31. Qd1 $1 $16) 31... Qf3 $1 $11 {The position is equal.} 32. Ne8+ Kf8 33. Nf6+ Kg7 34. Ne8+ Kf8 35. g5 Qg4+ 36. Kf1 {White wants to mate with Nf6+.} Qh3+ {[%mdl 64] [#] Double Attack} 37. Kg1 {Intending Nf6+ and mate.} Qg4+ 38. Kf1 {White threatens Nf6+ and mate.} Qh3+ {[%mdl 64] Double Attack} 39. Kg1 Qg4+ 40. Kf1 {Threatening mate with Nf6+.} Qh3+ {[%mdl 64] Double Attack. Accuracy: White = 42%, Black = 57%.} 1/2-1/2

[Event "V Magistral Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.18"]
[Round "2.3"]
[White "Lopez Azambuja, Nicolas"]
[Black "Larrea, Manuel"]
[Result "1-0"]
[ECO "D35"]
[WhiteElo "2320"]
[BlackElo "2269"]
[Annotator "TA"]
[PlyCount "91"]
[EventDate "2019.02.17"]
[EventType "tourn"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,91,27,50,-44,-34,-44,-45,-40,-20,-11,6,2,14,12,23,15,52,46,33,41,36,35,27,0,0,-7,156,137,183,203,287,293,317,317,294,288,322,299,368,393,384,386,355,214,214,217,222,188,220,173,213,210,208,0,190,128,141,103,129,70,69,0,129,68,72,79,114,57,77,40,323,286,462,452,454,439]} 1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. cxd5 exd5 5. Bg5 c6 6. e3 Nbd7 7. Qc2 Bd6 8. Bd3 Nf8 9. Nge2 Ng6 10. h3 {D36: Queen's Gambit Declined: Exchange Variation: Main line (5 Bg5 c6 6 Qc2)} (10. f3 $14) (10. O-O-O O-O 11. Bxg6 hxg6 12. f3 b5 13. g4 b4 14. Na4 Ba6 15. Nf4 Bb5 16. Nc5 Qe7 17. Rhe1 Bxc5 18. dxc5 {1-0 (50) Morozevich,A (2755)-Savchenko,B (2583) Moscow 2007}) 10... h6 $146 11. Bxg6 {[#] Hoping for Bxf6.} hxg5 12. Bd3 {Black is slightly better.} Be6 13. O-O-O b5 14. Kb1 a5 15. f3 Rc8 16. e4 dxe4 17. fxe4 {aiming for e5.} Be7 18. Qd2 O-O 19. Qe3 ({But not} 19. Qxg5 Nxe4 20. Qf4 (20. Qh5 g6 $15) 20... Nxc3+ 21. Nxc3 g6 $15) 19... Re8 20. d5 ({Reject} 20. Qxg5 b4 $17) 20... cxd5 21. Bxb5 Nd7 $2 (21... Bd7 $1 $11) 22. Nxd5 $16 {[%cal Bc3d5,Bd5c7,Bc7b5][%mdl 32]} Bc5 23. Qg3 Rb8 (23... Bf8 $142 24. Rhf1 Rc5) 24. Nc7 $18 Bf2 25. Qd6 ({Not} 25. Qxf2 Qxc7 26. Nd4 Red8 $16) 25... Rxb5 26. Nxb5 {Nc7 is the strong threat.} Qa8 27. Nec3 {Strongly threatening Nc7.} Nf6 28. Nc7 Nxe4 29. Nxa8 Nxd6 30. Rxd6 Rxa8 31. Rhd1 Kh7 32. g4 Bg3 33. Rb6 a4 34. Ne4 Bf4 35. Nc3 $2 (35. Nc5 $18) 35... Be5 $2 (35... Bg3 $1 $11 {and Black stays safe.}) 36. a3 ({White should try} 36. Rb4 $18) 36... Bb3 $16 37. Re1 f6 38. Rb4 (38. Ne4 $16) 38... Kg6 $14 39. Rb6 (39. Rf1 $14) 39... Kh7 $1 $16 40. Rc6 (40. Ne4 $16) 40... Rd8 $14 41. Ne4 Bd5 42. Rc2 (42. Ra6 $16) 42... Kg6 43. Nc5 Bc6 $2 {[%mdl 8192] [#]} (43... Rh8 $14) 44. Nd3 $1 $18 {[%cal Rd3e5][%mdl 512]} Bg3 $2 (44... Bd5 {was worth a try.} 45. Nxe5+ fxe5 46. Rxe5 Bb3 47. Rc6+ Kh7) (44... Rxd3 45. Rxc6) 45. Rxc6 Bxe1 46. Nxe1 {Accuracy: White = 59%, Black = 38%.} 1-0

[Event "V Magistral Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.18"]
[Round "2.4"]
[White "Hungaski, Robert"]
[Black "Hoffman, Alejandro"]
[Result "1/2-1/2"]
[ECO "D79"]
[WhiteElo "2520"]
[BlackElo "2461"]
[Annotator "TA"]
[PlyCount "22"]
[EventDate "2019.02.17"]
[EventType "tourn"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,22,22,0,6,0,12]} 1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. Nf3 c6 6. O-O d5 7. cxd5 cxd5 8. Nc3 Nc6 9. Ne5 e6 10. f4 Ne7 {D79: Fianchetto Grünfeld: Symmetrical Variation (6 0-0 c6 7 cxd5 cxd5)} 11. e3 $146 ({Predecessor:} 11. g4 b6 12. b3 Ba6 13. Ba3 Rc8 14. Qd2 Re8 15. Rfc1 Nd7 16. Rc2 f5 17. g5 Nxe5 18. dxe5 {1-0 (48) Zhang,Z (2617)-Wang,P (2383) Canberra 2008}) 11... Ne8 1/2-1/2

[Event "V Magistral Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.18"]
[Round "2.5"]
[White "Lima, Darcy"]
[Black "Roselli Mailhe, Bernardo"]
[Result "1-0"]
[ECO "E94"]
[WhiteElo "2535"]
[BlackElo "2434"]
[Annotator "TA"]
[PlyCount "219"]
[EventDate "2019.02.17"]
[EventType "tourn"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,219,60,43,54,43,36,40,44,44,67,28,37,29,35,1,41,50,41,41,41,47,73,73,69,64,68,23,29,28,37,41,68,0,0,0,28,23,46,54,42,56,90,75,555,552,750,175,177,179,181,178,178,182,347,326,329,325,381,381,585,563,504,490,656,522,658,636,584,577,550,528,589,545,464,398,333,322,1341,1219,29954,29949,4747,602,2307,2288,5056,5069,3522,3341,2895,2386,5583,3025,8517,11858,11507,6629,12751,4962,29961,1817,1068,280,280,280,280,280,280,280,280,280,280,280,280,280,280,280,280,245,280,280,280,280,238,238,238,238,238,0,280,280,280,280,280,280,280,238,280,280,321,1198,280,280,29965,29968,29969,280,280,0,29960,29970,29968,29969,29963,29971,29963,29966,29976,280,280,280,280,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,280,283,281,280,281,273,281,281,283,237,283,290,290,290,297,297,29982,29983,29983,29983]} 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. O-O Na6 8. d5 Nc5 9. Qc2 a5 10. Bg5 h6 11. Be3 Ne8 12. Nd2 f5 {E94: King's Indian: Classical: 6 Be2 e5 7 0-0: Various Black 7th moves} 13. exf5 (13. f3 Bd7 14. b3 Nf6 15. a3 fxe4 16. fxe4 Ng4 17. Bxg4 Bxg4 18. b4 axb4 19. axb4 Rxf1+ 20. Rxf1 {1-0 (39) Vescovi,G (2631)-Perdomo,L (2389) Sao Paolo 2011}) 13... gxf5 14. f4 Qe7 {White is slightly better.} 15. Nf3 $146 ({Predecessor:} 15. Rae1 e4 16. Nb3 b6 17. Nd4 Bd7 18. Kh1 Kh8 19. Bg1 Nf6 20. h3 Nh5 21. Bxh5 {1-0 (21) Dobrev,N (2374)-Cangiotti,C (2220) Dos Hermanas 2003}) 15... Ne4 16. Nxe4 {Black must now prevent Nc3.} (16. fxe5 $5 {[%cal Re5e6]} Nxc3 17. bxc3 (17. Qxc3 dxe5 18. Nd2 f4 $11) 17... dxe5 18. c5 $14) 16... fxe4 17. Nd2 Bf5 18. Nxe4 {With the idea Bd3.} exf4 19. Rxf4 {Threatens to win with Bg4.} Be5 20. Rxf5 $1 Rxf5 21. Bg4 Ng7 22. Bxf5 Nxf5 23. Bf2 Qg7 24. Rf1 Rf8 25. Qd2 Bxb2 26. Qxa5 Nd4 27. Kh1 ({White should try} 27. Ng3 $14) 27... Qg4 $11 28. Ng3 {And now Qd2 would win.} Ne2 29. Qe1 Re8 30. Qb1 Bg7 31. Nf5 Nc3 32. Qd3 $1 Re2 $2 {[%mdl 8192]} (32... Qe2 $16 {is more resistant.} 33. Qxe2 Nxe2) 33. Nxg7 $18 Ne4 {[#]} 34. h3 $2 (34. Nf5 $1 Nxf2+ (34... Qxf5 35. Qxe2) 35. Rxf2 $1 {[%mdl 512]} Re1+ 36. Rf1 Rxf1+ 37. Qxf1) 34... Nxf2+ 35. Rxf2 Re1+ 36. Kh2 Qxg7 {[%mdl 4096] Endgame KQR-KQR} 37. Rf3 Qe5+ $2 (37... Kh8 38. Qf5 Re8) 38. Rg3+ Kf8 39. Qh7 {[%mdl 64] Double Attack} h5 40. Qxc7 Re4 (40... Qf4 {keeps fighting.} 41. Qc8+ (41. Qxb7 Re5 $18) 41... Re8 42. Qxb7 Re5) 41. Qb8+ Ke7 42. Qxb7+ Kd8 43. Qg7 Qxg7 44. Rxg7 Rxc4 {KR-KR} 45. Rg5 h4 46. Rg4 Rc5 47. Rxh4 Rxd5 48. Rh7 Ra5 49. Kg3 Rxa2 $2 (49... Ke8 50. h4 d5) 50. h4 Ra4 51. h5 Ke8 52. Rg7 (52. Rc7 $142 Kf8 53. Kf3) 52... Kf8 53. Rg4 Ra3+ 54. Kh4 Kf7 55. Rg6 d5 56. Rd6 Rd3 57. g4 Ke7 58. Ra6 d4 59. h6 {h7 would kill now.} Rd1 60. Kg5 d3 61. h7 (61. Ra3 $142 d2 62. Rd3 Rc1 63. h7 Rh1 64. Kg6 d1=Q 65. Rxd1 Rxd1 66. h8=Q) 61... Rh1 {[#]} 62. Rh6 $2 (62. Ra1 $3 {[%mdl 512]} Rxa1 63. h8=Q Ra5+ 64. Kf4) 62... Rxh6 63. Kxh6 {KPP-KP} d2 64. h8=Q {Intending Qd4 and mate.} d1=Q {KQ-KQ} 65. Qg7+ Ke6 66. Qf8 Qh1+ 67. Kg6 Ke5 {intending ...Qc6+.} 68. Qf6+ Kd5 69. g5 Kc4 70. Kg7 Kb3 71. g6 Kc2 72. Qf5+ Kc1 73. Qc5+ Kb1 74. Kf6 Qh4+ 75. Kg7 $2 ({Better is} 75. Kf7 $18 Qf4+ 76. Kg8) 75... Qd8 $2 {[%mdl 8192]} (75... Qh1 $1 $11 {and Black is okay.} 76. Kf6 Qh4+ 77. Qg5 Qd4+ 78. Qe5 Qh4+ 79. Ke6 Qc4+ 80. Kf5 Qc8+ 81. Kg5 Qd8+ 82. Qf6 Qd2+ 83. Qf4 Qd8+ 84. Kg4 Qd1+ 85. Qf3 Qg1+ 86. Kf5 Qc5+ 87. Ke6 Qb6+ 88. Kf5 Qc5+ 89. Ke6 Qc8+ 90. Ke5 Qb8+ 91. Kf5 Qc8+ 92. Kf4 Qc1+ 93. Qe3 Qc7+ 94. Qe5 Qc1+ 95. Kf5 Qc8+ 96. Kf4 Qc1+ 97. Kg4 Qg1+ 98. Kf5 Qf2+ 99. Ke6 Qb6+ 100. Kf5 Qf2+ 101. Qf4 Qc5+ 102. Qe5 Qc8+) 76. Qb4+ Kc1 77. Qf4+ Kb1 78. Qe4+ Kc1 79. Kh7 Qc7+ 80. g7 Qh2+ 81. Kg6 Qg3+ 82. Kf6 {Hoping for Qc4+.} Qc3+ $2 (82... Qd6+ $18 83. Kg5 Qg3+ 84. Qg4 Qe5+ 85. Kh6 Qh2+ 86. Kg6 Qd6+ 87. Kh5 Qh2+ 88. Kg6 Qd6+ 89. Kg5 Qd5+ 90. Qf5 Qg2+ 91. Qg4 Qd5+ 92. Kh4 Qh1+ 93. Qh3 Qe4+ 94. Kg5 Qe5+ 95. Kg6 Qe8+ 96. Kh6 Qc6+ 97. Kg5 Qd5+ 98. Qf5 Qd8+ 99. Kh6 Qd6+ 100. Kh5 Qh2+ 101. Kg5 Qg2+ 102. Qg4 Qd5+) 83. Qe5 $1 Qc6+ 84. Qe6 $2 (84. Kf5 Qc2+ 85. Qe4 Qc5+ 86. Qe5 Qc2+ 87. Kg4 Qg2+ 88. Qg3 Qe2+ 89. Kf5 Qc2+ 90. Kg5 Qc5+ 91. Kg4 Qc8+ 92. Kh4) 84... Qc3+ 85. Qe5 $2 (85. Kg6 $18 Qc2+ 86. Qf5 Qc6+ 87. Kg5 Qg2+ 88. Kh6 Qh1+ 89. Kg5 Qg2+ 90. Kh6 Qh1+ 91. Kg6 Qc6+ 92. Kg5 Qg2+) 85... Qc6+ $1 86. Kf5 Qc2+ 87. Kg4 Qg2+ 88. Qg3 Qe2+ 89. Kf5 Qc2+ 90. Kf6 $2 (90. Kg5 {mates} Qc5+ 91. Kg4 Qc8+ 92. Kg5 Qc5+ 93. Kg4 Qc8+ 94. Kh4 Qc4+ 95. Qg4) 90... Qc6+ 91. Kg5 $1 Qd5+ 92. Kg6 $2 ({White should play} 92. Kh4 $18 {White wants to mate with Qg5+.} Qc4+ 93. Qg4) 92... Qe4+ $1 $11 93. Kh6 Qh1+ 94. Kg6 Qe4+ $1 95. Kf6 Qc6+ 96. Ke7 Qb7+ 97. Ke6 Qc8+ 98. Kf7 Qc4+ 99. Kf6 Qc6+ $1 100. Kg5 $2 {[%mdl 8192]} (100. Kf5 $11 Qd7+ 101. Kg6 Qe8+ 102. Kh6 Qc6+ 103. Kg5 Qd5+ 104. Kg6 Qe6+ 105. Kh5 Qf7+ 106. Kh4 Qc4+ 107. Kh5 Qe2+ 108. Kh6 Qe6+ 109. Kh5 Qe2+ 110. Kh4 Qe4+ 111. Kg5 Qe7+ 112. Kh6 Qe6+ 113. Kg5 Qe7+ 114. Kh5 Qe8+ 115. Kh4 Qe4+ 116. Kg5 Qd5+) 100... Qd5+ $18 101. Kh4 $1 Qh1+ 102. Qh3 $1 {[%cal Rh3h1]} Qe4+ 103. Qg4 Qh1+ {[#]} 104. Kg5 $1 ({Weaker is} 104. Kg3 Qg1+ 105. Kh4 Qh1+ 106. Qh3 Qe4+ 107. Kg5 Qe5+ 108. Kg6 Qe4+ 109. Qf5 Qc6+ 110. Kg5 Qg2+ 111. Kf6 Qc6+ 112. Qe6 Qc3+ 113. Qe5 $18) 104... Qd5+ 105. Kh6 Qc6+ {[#]} 106. Qg6 $1 {[%cal Rg6c6]} ({Less strong is} 106. Kh7 Qc2+ 107. Qg6 Qc7 $18) 106... Qh1+ 107. Qh5 Qc6+ 108. Kh7 Qe4+ $2 (108... Qc2+ $18 109. Qg6 Qc7) 109. Qg6 Qb7 110. Qg1+ {Accuracy: White = 68%, Black = 50%.} 1-0

[Event "V Magistral Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.19"]
[Round "3.1"]
[White "Roselli Mailhe, Bernardo"]
[Black "Tristan, Leonardo"]
[Result "0-1"]
[ECO "D38"]
[WhiteElo "2434"]
[BlackElo "2493"]
[Annotator "TA"]
[PlyCount "132"]
[EventDate "2019.02.17"]
[EventType "tourn"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,132,14,15,2,2,-2,4,-16,0,0,0,0,0,-62,-72,-79,-68,-75,-73,-60,-75,-106,-86,-111,-106,-112,-93,-223,-218,-220,-172,-183,-150,-217,-200,-210,-209,-217,-219,-200,-213,-207,-206,-206,-214,-219,-203,-226,-228,-225,-208,-227,-214,-263,-277,-255,-266,-253,-134,-140,-109,-129,-127,-219,-220,-219,-217,-212,-214,-239,-265,-267,-267,-265,-260,-288,-306,-298,-281,-250,-230,-234,-239,-245,-214,-576,-566,-625,-629,-639,-639,-1941,-2484,-2345,-2425,-2501,-2435,-1545,-1860,-2533,-2124,-2567,-2356,-2571,-524,-4570,-2684,-29977,-29976,-29976,-29976,-29976,-29977,-29977,-29978,-29978,-29979,-29979,-29980,-29980,-29981,-29980,-29981]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Bb4 5. Qa4+ Nc6 6. e3 O-O 7. a3 {D38: Queen's Gambit Declined: Ragozin Defence (4 Nf3 Bb4)} (7. Qc2 Re8 8. Bd2 Bd6 9. h3 a6 10. a3 Bd7 11. Be2 dxc4 12. Bxc4 h6 13. g4 e5 14. g5 b5 {1-0 (36) Radjabov,T (2757)-Vidit,S (2695) Wijk aan Zee 2019}) 7... Bxc3+ 8. bxc3 Re8 9. Be2 {The position is equal.} e5 {[%cal Be6e5,Be5e4][%mdl 32]} 10. O-O $146 ({Predecessor:} 10. cxd5 Nxd5 11. Bb2 e4 12. Ne5 Nxe5 13. dxe5 Rxe5 {½-½ (80) Fischer,A (2022)-Meyner,H (2251) Hofheim 2013}) 10... Bg4 11. h3 Bh5 $36 {[%mdl 2048] Black is pushing.} 12. Qc2 (12. Bd1 $11) 12... e4 $15 13. Ne1 Bxe2 14. Qxe2 Na5 15. cxd5 Qxd5 16. Rb1 a6 17. a4 Qc6 18. Bd2 Qxa4 19. Rb4 (19. c4 $17) 19... Qa2 $19 {Hoping for ...c5!} 20. Qd1 Nd5 21. Ra4 Qb3 22. Qc2 {[#]} (22. Nd3 $17 Qxd1 23. Rxd1) 22... Qxc2 $1 23. Nxc2 Nb3 24. Be1 a5 {[%cal Ba6a5,Ba5a4][%mdl 32]} 25. c4 Nb6 26. Ra3 a4 27. c5 Nc4 28. Ra2 b6 29. cxb6 cxb6 30. Bb4 Red8 31. Rd1 b5 32. f3 f5 33. fxe4 fxe4 34. d5 Ra7 (34... Ne5 $19 35. Be7 Rd7) 35. d6 $17 Rad7 36. Rd5 Nxd6 37. Bxd6 (37. Na3 $17 {keeps fighting.}) 37... Rxd6 $19 38. Rxb5 Rd1+ 39. Kh2 Nd2 40. h4 Nf1+ 41. Kh3 R1d2 42. Ra1 {[#]} Rf8 $1 43. Nd4 {Ne6 is the strong threat.} Rd3 44. Nc2 Rc3 45. Rb2 Nxe3 46. Nxe3 Rxe3+ {[%mdl 4096] Endgame KRR-KRR} 47. Kh2 a3 48. Rba2 $2 (48. Rb4 {nothing else works.}) 48... Ra8 49. Rb1 Rd3 50. Kg1 e3 51. Rba1 Rd2 52. Kf1 Rxa2 53. Rxa2 {KR-KR} Kf7 54. Ke2 Ke6 55. Kxe3 Kf5 56. Kf3 h5 57. g3 Ra4 (57... Ra6 $142 58. Kf2 Ke4) 58. Kf2 Ke4 59. Re2+ Kd4 {Black mates.} 60. Kf3 Ra6 61. Re4+ Kd5 62. Re1 a2 63. Ra1 Kc4 64. Kf4 Kb3 65. Kg5 Ra5+ 66. Kg6 Kb2 {Precision: White = 44%, Black = 75%.} 0-1

[Event "V Magistral Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.19"]
[Round "3.2"]
[White "Hoffman, Alejandro"]
[Black "Lima, Darcy"]
[Result "1/2-1/2"]
[ECO "E47"]
[WhiteElo "2461"]
[BlackElo "2535"]
[Annotator "ChessBase"]
[PlyCount "18"]
[EventDate "2019.02.17"]
[EventType "tourn"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 c5 6. a3 Bxc3+ 7. bxc3 d6 8. Ne2 Nc6 9. O-O e5 1/2-1/2

[Event "V Magistral Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.19"]
[Round "3.3"]
[White "Larrea, Manuel"]
[Black "Hungaski, Robert"]
[Result "0-1"]
[ECO "C41"]
[WhiteElo "2269"]
[BlackElo "2520"]
[Annotator "TA"]
[PlyCount "82"]
[EventDate "2019.02.17"]
[EventType "tourn"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,82,28,29,33,38,27,41,29,45,16,29,9,19,18,29,17,68,69,64,69,66,67,86,25,41,0,0,-24,-25,-89,-77,-83,-92,-102,-90,-80,0,-18,66,-4,104,104,69,12,63,63,333,313,465,456,443,464,600,581,574,579,789,787,666,151,122,122,112,162,156,125,131,-161,-157,-1912,-1828,-29996,-29997]} 1. e4 e5 2. Nf3 d6 3. d4 exd4 4. Nxd4 Nf6 5. Nc3 Be7 6. g3 O-O 7. Bg2 {C41: Philidor Defence} Re8 8. O-O Bf8 9. Bf4 {White is slightly better.} Nbd7 10. Qd2 Ne5 11. Rad1 c6 12. h3 Ng6 $146 ({Predecessor:} 12... b5 13. b3 b4 14. Na4 c5 {1-0 (48) Vachier Lagrave,M (2731)-Rapport,R (2671) Biel 2015}) 13. Be3 h6 (13... Bd7 $11) 14. f4 $14 Qc7 15. Qf2 Bd7 16. g4 Nh7 17. Qg3 (17. Nf3 $16) 17... b5 $1 $11 {[%cal Bb7b5,Bb5b4][%mdl 32]} 18. h4 b4 19. Nb1 Nf6 20. f5 (20. h5 $11 Nh8 21. g5 hxg5 22. fxg5 Nxh5 23. Qh4) 20... Nxe4 $17 21. Bxe4 Rxe4 22. Nd2 Rxe3 $1 23. Qxe3 Ne5 (23... Nxh4 $17 24. Qg3 Qd8) 24. g5 c5 (24... h5 $11) 25. Ne2 ({White should play} 25. N4f3 $1 $14) 25... hxg5 (25... Re8 $11 {remains equal.}) 26. hxg5 $16 Re8 27. Qg3 (27. Qf4 $14) 27... Qc8 (27... Qb7 $11) 28. Qf4 $1 $14 Bb5 $2 {[%mdl 8192] [#]} ({Black should try} 28... c4 $14) 29. Rf2 $1 $18 d5 (29... Be7 $142 30. Rh2 Bxg5 31. Qxg5 Bxe2) 30. Ng3 c4 {Strongly threatening ...Bc5.} 31. Rh2 Qc5+ 32. Kh1 {Threatening mate with Qh4.} f6 {If only Black now had time for ...fxg5....} 33. g6 Bd6 34. Qh4 {[%csl Gh2][%cal Rh4h8]} Kf8 35. Nde4 $2 (35. Nh5 $18 {and White stays clearly on top.} Bc6 {[#]} 36. Nxg7 $1 {[%mdl 512]} d4+ 37. Kg1 Nxg6 38. Qxf6+ {[%mdl 64] Double Attack} (38. fxg6 Bxh2+ 39. Kf1 Re5 $11) 38... Kg8 39. Qxg6 (39. fxg6 $2 Bxh2+ 40. Kxh2 Rf8 $19) 39... Bxh2+ 40. Kf1 (40. Kxh2 Qe5+ 41. Kh3 Qe3+ 42. Kh4 Qf4+ 43. Kh5 Bf3+ 44. Nxf3 Qxf3+ 45. Kh6 Qf4+ 46. Qg5 Qxg5+ 47. Kxg5 Kxg7 $18)) 35... dxe4 $16 36. Qh8+ Ke7 37. Qxg7+ Kd8 {Hoping for ...Ng4.} 38. Qxf6+ Kc7 {And now ...e3 would win.} 39. Rh7+ $2 {[%mdl 8192]} ({But not} 39. Nxe4 $2 Bc6 $19) (39. Rxd6 $16 {and life is bright.} Qxd6 40. Qxd6+ Kxd6 41. Nxe4+ Kc6 42. g7) 39... Nd7 40. Nh5 $2 (40. Qf7 $17 Qe5 41. Rxd6 (41. Rd5 $2 Qxg3 42. Qxe8 Bc6 $19) 41... Qxd6 42. Kh2 (42. Qxe8 Qxg3 43. g7 Bc6 $19)) 40... e3 $19 41. Ng7 Bc6+ {Accuracy: White = 36%, Black = 32%.} 0-1

[Event "V Magistral Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.19"]
[Round "3.4"]
[White "Lujan, Carolina"]
[Black "Lopez Azambuja, Nicolas"]
[Result "1/2-1/2"]
[ECO "C67"]
[WhiteElo "2357"]
[BlackElo "2320"]
[Annotator "TA"]
[PlyCount "55"]
[EventDate "2019.02.17"]
[EventType "tourn"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,55,18,18,18,19,19,14,19,18,13,16,23,16,4,5,29,29,29,5,0,0,13,7,31,0,0,0,0,0,0,0,0,0,16,-10,-20,-48,-34,-66]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. Re1 Nd6 6. Nxe5 Nxe5 7. Rxe5+ Be7 8. Bf1 O-O 9. d4 Bf6 10. Re1 Re8 {C67: Ruy Lopez: Berlin Defence: 4 0-0 Nxe4} 11. c3 Rxe1 12. Qxe1 Nf5 {The position is equal.} 13. Bf4 c6 14. Nd2 d5 15. Bd3 g6 {[#]} 16. h3 $146 ({Predecessor:} 16. Qe2 Ng7 17. Re1 Bf5 18. Bxf5 Nxf5 {½-½ (31) Swiercz,D (2636)-Melkumyan,H (2668) Saint Louis 2018}) 16... Nd6 17. Qe3 Bf5 18. Re1 Bxd3 19. Qxd3 Qf8 20. g4 Qd8 21. b3 Bg5 22. Qe3 Bxf4 23. Qxf4 Kg7 24. Kg2 Qf6 25. Qg3 b5 26. h4 h5 27. f3 a5 28. g5 {Accuracy: White = 58%, Black = 68%.} 1/2-1/2

[Event "V Magistral Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.19"]
[Round "3.5"]
[White "Gemy, Jose Daniel"]
[Black "Carbone, Diego"]
[Result "1/2-1/2"]
[ECO "C56"]
[WhiteElo "2391"]
[BlackElo "2256"]
[Annotator "TA"]
[PlyCount "62"]
[EventDate "2019.02.17"]
[EventType "tourn"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,62,0,-14,0,0,0,0,0,0,6,8,6,6,2,4,8,8,5,4,6,0,6,0,0,0,0,0,0,0,0,-3,0,-8,0,-5,-6,-5,-5,-8,0,0,0,0,0,-14,-14,-14,-14,-40,0]} 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Nf6 5. O-O Nxe4 6. Re1 d5 7. Bxd5 Qxd5 {[#]} 8. Nc3 $1 {[%cal Rc3d5][%mdl 576] Pin} Qd7 {C56: Two Knights: 4 d4 exd4 5 0-0 Nxe4} (8... dxc3 9. Qxd5) (8... Qh5 9. Nxe4 Be6 10. Bg5 Bd6 11. Nxd6+ cxd6 12. Bf4 Qd5 13. c3 O-O 14. Nxd4 Nxd4 15. Qxd4 Qxd4 16. cxd4 d5 17. Rac1 Rfc8 18. Rxc8+ Rxc8 19. Rc1 Rxc1+ 20. Bxc1 f6 21. Bf4 a6 22. a3 Bd7 23. Bd2 Bc6 24. Bc3 Bd7 25. Bd2 Bc6 26. Bc3 Bd7 27. Bd2 {½-½ (27) Wei,Y (2743)-Wen,Y (2605) Shenzhen 2017}) 9. Nxe4 Be7 $1 10. Bg5 O-O {The position is equal.} 11. Bxe7 Nxe7 12. Qxd4 Qxd4 13. Nxd4 Nf5 14. Rad1 Nxd4 15. Rxd4 Bf5 16. Ng3 Rfe8 $146 ({Predecessor:} 16... Be6 17. h3 Rfd8 18. Rdd1 {½-½ (41) Baumeister,W (1881)-Mainik,P (1716) Ditzingen 2010}) 17. Rxe8+ Rxe8 $11 {[%mdl 4096] Endgame KRB-KRN} 18. f4 Bxc2 19. Rc4 $1 {[%cal Rc4c2]} Bb1 20. Rxc7 Bxa2 21. Rxb7 Ra8 22. Nf5 g6 23. Nd6 a5 24. b3 a4 25. bxa4 Rxa4 26. g3 Be6 27. Rb8+ Kg7 28. Ne8+ Kh6 29. h4 Ra1+ 30. Kf2 Ra2+ 31. Kg1 Ra1+ {Accuracy: White = 51%, Black = 70%.} (31... Bh3 $5 {[%cal Ra2g2]} 32. Rb3 Rg2+ 33. Kh1 Re2 $17) 1/2-1/2

[Event "V Magistral Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.19"]
[Round "4.1"]
[White "Tristan, Leonardo"]
[Black "Carbone, Diego"]
[Result "1/2-1/2"]
[ECO "A45"]
[WhiteElo "2493"]
[BlackElo "2256"]
[Annotator "TA"]
[PlyCount "131"]
[EventDate "2019.02.17"]
[EventType "tourn"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,131,-15,4,0,5,0,5,5,9,5,4,0,0,0,0,8,2,0,4,0,89,76,85,83,114,118,145,133,213,122,118,106,125,125,120,54,66,62,100,96,89,49,45,45,40,31,38,35,62,62,58,58,73,68,80,80,88,80,80,80,88,88,120,120,182,123,166,157,182,93,93,88,92,93,92,88,88,88,92,48,48,48,48,8,157,157,157,157,157,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,0,8,0,8,8,8,0,0,0,8,0]} 1. d4 Nf6 2. Bf4 g6 3. Nc3 d5 4. Nb5 (4. e3 Bg7 5. h4 c6 6. Be2 h5 7. Nf3 Bg4 8. Ne5 Bxe2 9. Qxe2 Nbd7 10. O-O-O Rc8 11. f3 {0-1 (60) Nabaty,T (2692)-Rodshtein,M (2674) Czech Republic 2019}) 4... Na6 5. e3 Bg7 6. Nf3 {A45: Trompowsky Attack} c6 7. Nc3 Qb6 8. Rb1 Bg4 9. Be2 Nd7 $146 ({Predecessor:} 9... O-O 10. O-O Bxf3 11. Bxf3 c5 12. dxc5 Nxc5 13. b4 {½-½ (34) Bukal,V (2387)-Bratovic,B (2348) Zadar 2017}) 10. O-O Bxf3 11. Bxf3 e5 12. dxe5 Nxe5 13. Be2 O-O 14. b4 $36 {[%cal Bb2b4,Bb4c5][%mdl 2080] White is pushing.} Nc4 (14... Qd8 $11) 15. Na4 $16 Qb5 16. c3 Rfd8 17. Qb3 {Strongly threatening Rfd1.} c5 18. bxc5 Qxb3 (18... Qc6 $16) 19. Rxb3 ({Better is} 19. axb3 $18 Ne5 20. Bxa6 bxa6 21. Rfd1) 19... Rac8 20. Bg5 Re8 21. Rxb7 Nxc5 22. Rxa7 (22. Nxc5 $16 Rxc5 23. Rxa7) 22... Ne4 23. Bf4 Ra8 24. Rxa8 Rxa8 25. Bxc4 dxc4 26. Nb6 Rxa2 27. Nxc4 Nxc3 28. Be5 h5 29. Bxc3 Bxc3 $14 {[%mdl 4096] Endgame KRB-KRN} 30. g3 Kg7 31. Kg2 Ra4 32. Nb6 Ra1 33. Rxa1 Bxa1 $16 {KB-KN} 34. Nd5 Be5 35. f4 Bd6 36. e4 Bc5 (36... f6 $16 {was called for.} 37. h3 Kf7) 37. Kf3 (37. e5 $18) 37... Bd4 38. e5 Bc5 {[#]} 39. h3 ({White should try} 39. Nc3 $1 $18) 39... Bd4 40. Nc7 Bb6 41. Ne8+ Kf8 42. Nd6 Bd4 43. Nb5 Bb6 44. f5 gxf5 45. Kf4 Bf2 $1 46. h4 Kg7 (46... f6 $11) 47. Nd6 Kg6 48. Nxf5 Bc5 49. g4 ({White must play} 49. Ke4 $16) 49... Ba3 $11 {The position is equal.} 50. Ng3 Bc1+ 51. Kf3 hxg4+ 52. Kxg4 {And now h5+ would win.} Bb2 53. h5+ Kh6 54. Nf5+ Kh7 55. Kf4 Bc1+ 56. Ke4 Bb2 57. Ng3 {[#] aiming for Kf5.} Kh6 58. Kf4 Bc1+ 59. Kf5 {Black must now prevent Kf6.} Bb2 60. Kf6 Bc3 61. Kf5 Bb2 62. Ke4 {Threatens to win with Kf5.} Bc1 63. Ne2 Bb2 64. Ng3 {Kf5 is the strong threat.} Bc1 65. Ne2 Bb2 66. Ng3 {Accuracy: White = 59%, Black = 69%.} 1/2-1/2

[Event "V Magistral Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.19"]
[Round "4.2"]
[White "Lopez Azambuja, Nicolas"]
[Black "Gemy, Jose Daniel"]
[Result "1/2-1/2"]
[ECO "E15"]
[WhiteElo "2320"]
[BlackElo "2391"]
[Annotator "TA"]
[PlyCount "120"]
[EventDate "2019.02.17"]
[EventType "tourn"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,120,8,20,0,0,2,4,0,0,-20,9,-16,1,0,1,0,0,-12,0,-8,-10,-13,0,14,0,0,0,0,0,0,-5,-42,0,-8,3,0,23,26,23,24,28,25,30,0,5,0,9,7,10,-5,-4,-2,15,14,12,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,8,0,0,0,-4,-32,-39,-1058,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-29989,5693]} 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6 5. Qa4 Be7 6. Bg2 O-O 7. Nc3 Bb7 8. O-O Ne4 9. Nxe4 Bxe4 10. Rd1 d6 11. Qb3 {E17: Queen's Indian: 4 g3 Bb7 5 Bg2 Be7} Nd7 {[%cal Bb8d7,Bd7c5,Bc5e4][%mdl 32]} 12. Qe3 $146 ({Predecessor:} 12. Bh3 Kh8 13. Qe3 d5 14. b3 c6 15. Bb2 b5 16. Nd2 Bg6 17. Bg2 Rb8 18. c5 a5 {0-1 (49) Richter,C (2442)-Ackermann,H (2339) Germany 2007}) 12... d5 13. Bd2 {The position is equal.} c5 14. cxd5 Bxd5 15. Bc3 Qc7 16. dxc5 Nxc5 17. Rac1 {Threatens to win with b4.} Qb7 18. Ne1 Ne4 19. Be5 {Hoping for Bxe4.} Rac8 20. b3 Bc5 (20... Bg5 {is interesting.} 21. f4 Be7 22. Nd3 f5 23. Bd4 Rfd8) 21. Bd4 Ba3 22. Rxc8 Rxc8 23. Bf3 f6 24. Ba1 Bc5 25. Bd4 Bf8 26. Bb2 Bc6 27. Rc1 {Strongly threatening Bxe4.} f5 28. Nd3 Bd5 29. Bd4 Rxc1+ 30. Qxc1 Qc6 31. Qxc6 (31. Qb2 {looks sharper.} Qd7 32. Nf4 Bb7 33. Bxe4 Bxe4 34. f3) 31... Bxc6 32. Be5 a6 33. Bd4 b5 34. Bxe4 Bxe4 $11 {[%mdl 4096] Endgame KBB-KBN} 35. Nc5 e5 36. Nxe4 exd4 {KB-KN} 37. Nd2 Kf7 38. Nf3 Bc5 39. Kf1 Ke6 40. Ke1 Bb4+ 41. Kd1 Kd5 42. Kc2 Be7 43. Kd3 Bf6 44. Ne1 g5 45. Nc2 a5 46. f4 g4 47. a3 h5 48. b4 a4 49. Ne1 h4 50. Nc2 h3 51. e3 $2 {[%mdl 8192] [#]} (51. Ne1 $15) 51... dxe3 $2 (51... Bh4 $1 $19 {[%mdl 512] ...Bxg3! is the strong threat.} 52. Nxd4 {[#]} (52. gxh4 g3) 52... Bxg3 $1 {[%mdl 512]} 53. Nxf5 Bxh2 54. e4+ Ke6 55. Nd4+ Kf7) 52. Nxe3+ Ke6 {aiming for ...Bb2.} 53. Nc2 Kd5 {Threatening ...Bb2.} 54. Ne3+ Ke6 {White must now prevent ...Bb2.} 55. Nc2 Kd5 {Black wants to play ...Bb2.} 56. Ne3+ Ke6 57. Nc2 Kd5 {With the idea ...Bb2.} (57... Bb2 $5 58. Nd4+ $8 Bxd4 59. Kxd4 Kd6 $11) 58. Ne3+ Ke6 {And now ...Bb2 would win.} 59. Nc2 Kd5 {White should prevent ...Bb2.} (59... Bb2 $5) 60. Nd4 $2 {[%mdl 8192]} (60. Ne3+ $11 Ke6) 60... Bh4 $4 {[%mdl 40960] Accuracy: White = 51%, Black = 63%. . An unexpected result.} (60... Bxd4 {and life is good for Black.} 61. Kd2 Bg1 62. Ke2 Bxh2 63. Kf2 Ke4 64. Kf1 Bxg3 65. Kg1 Kxf4 66. Kh1 Kf3 67. Kg1 Bf4 68. Kh1 g3 69. Kg1 h2+ 70. Kh1 g2#) 1/2-1/2

[Event "V Magistral Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.19"]
[Round "4.3"]
[White "Hungaski, Robert"]
[Black "Lujan, Carolina"]
[Result "0-1"]
[ECO "D96"]
[WhiteElo "2520"]
[BlackElo "2357"]
[Annotator "TA"]
[PlyCount "76"]
[EventDate "2019.02.17"]
[EventType "tourn"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,76,11,51,14,11,9,30,0,0,0,0,0,0,0,0,0,0,7,0,0,0,2,12,0,17,6,16,13,36,28,52,-10,-4,-20,-20,-39,-34,-71,-12,-6,-10,-15,20,20,25,19,14,8,8,0,0,0,0,0,0,-19,-19,-18,-18,-68,-65,-88,-67,-586,-605,-585,-574]} 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qb3 dxc4 6. Qxc4 Be6 (6... O-O {feels hotter.} 7. e4 b6 8. Bf4 c5 9. dxc5 Ba6) 7. Qa4+ {D96: Grünfeld: Russian System (5 Qb3): sidelines} Bd7 8. Qa3 Bc6 9. Bf4 $146 {White has an edge.} ({Predecessor:} 9. e3 Nbd7 10. Be2 O-O 11. O-O Nd5 12. Rd1 e6 13. Bd2 a6 14. Rac1 f5 15. Nxd5 Bxd5 {½-½ (53) Abhishek,K (2387)-Zubov,A (2613) Palic 2016}) 9... Bxf3 10. gxf3 Qxd4 11. Bxc7 {And now Rd1 would win.} O-O 12. e3 Qd7 13. Bg3 Nc6 14. Bg2 Qd3 15. Rd1 $36 {[%mdl 2048] White is more active.} Qc4 16. Qa4 Qxa4 17. Nxa4 Rfd8 18. Ke2 Nd5 19. f4 e6 20. Bh4 Re8 21. f5 (21. Rd2 $14) 21... gxf5 22. Nc5 Ne5 23. Bxd5 exd5 24. Bg3 {[#]} Ng6 ({Black should play} 24... d4 $1 $17 {[%mdl 512]} 25. exd4 (25. Rxd4 Ng6) 25... Nc4+ 26. Kf3 Nxb2) 25. Kf3 $11 d4 26. Nxb7 f4 27. exf4 Reb8 28. Nd6 {Threatening Rhe1.} Rxb2 29. f5 Ne5+ 30. Bxe5 Bxe5 31. Nc4 Rb5 32. Rhg1+ Kf8 33. Rg5 {Strongly threatening f6!} Bf6 34. Rh5 $1 Rd8 35. Rd3 Rc5 36. Nb2 $1 Rc3 {White must now prevent ...Rb8.} 37. Ke2 $2 {[%mdl 8192]} (37. Kg2 $1 $15) 37... Rc2+ $19 38. Rd2 {[#]} Rxb2 $1 {[%mdl 576] Remove Defender. Accuracy: White = 48%, Black = 78%.} 0-1

[Event "V Magistral Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.19"]
[Round "4.4"]
[White "Lima, Darcy"]
[Black "Larrea, Manuel"]
[Result "1-0"]
[ECO "D35"]
[WhiteElo "2535"]
[BlackElo "2269"]
[Annotator "TA"]
[PlyCount "85"]
[EventDate "2019.02.17"]
[EventType "tourn"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,85,15,22,38,0,2,-7,80,82,99,100,89,103,121,112,133,118,138,131,127,137,135,134,134,135,131,129,152,127,142,133,170,148,148,148,148,148,151,146,143,139,213,218,452,481,494,493,488,461,497,389,377,422,416,414,392,379,308,287,276,279,277,274,321,318,336,332,301,304,289,278,311,277,366,0,431,420]} 1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. cxd5 exd5 5. Bg5 c6 6. e3 Nbd7 {D35: Queen's Gambit Declined: Exchange Variation} (6... Be7 7. Bd3 Nbd7 8. Nge2 Nf8 9. O-O Ne6 10. Bh4 g6 11. b4 a6 12. Na4 O-O 13. Nc5 Ng7 14. Rc1 Nfe8 15. Bxe7 Qxe7 16. a4 Nd6 {½-½ (43) Ding,L (2813)-Fedoseev,V (2724) Wijk aan Zee 2019}) 7. Nge2 Bd6 $146 ({Predecessor:} 7... Be7 8. Ng3 O-O 9. Nf5 Nb6 10. Nxe7+ Qxe7 11. Qc2 Be6 12. Bd3 Nbd7 13. Bxh7+ Kh8 {0-1 (22) Dang,D-Le,T Vietnam 2002}) 8. Ng3 Nf8 (8... h6 $11 9. Nf5 {[%mdl 64] Double Attack} Bf8) 9. Nh5 $16 Ne6 10. Bxf6 gxf6 11. Bd3 f5 {[%mdl 64] [#] Decoy} 12. Bxf5 Qg5 13. g4 $36 {[%mdl 2048] White is in control.} Ng7 14. h4 Qh6 15. Nxg7+ Qxg7 16. Bxc8 Rxc8 17. Qf3 O-O 18. O-O-O b5 19. Kb1 Qg6+ 20. Ka1 a5 21. h5 Qg5 22. h6 a4 23. Rh5 Qg6 24. Rf5 a3 25. b3 Bb4 (25... Kh8 $16 26. Ne2 Rg8) 26. Ne2 $18 {[%cal Bc3e2,Be2f4,Bf4d3][%mdl 32]} Rfe8 $2 (26... f6 {was called for.} 27. Nf4 Qe8) 27. Nf4 Qd6 28. Kb1 Ba5 29. Nd3 Qxh6 30. Rxf7 Rf8 31. Rf5 Bc7 32. Rh1 Qg6 33. Qh3 {[#] White threatens Rg5 and mate.} Rf7 34. Qh5 {Rg5 is the strong threat.} Rxf5 35. gxf5 ({But not} 35. Qxf5 $6 Qxf5 36. gxf5 Kg7 $18) 35... Qxh5 36. Rxh5 {[%mdl 4096] Endgame KRB-KRN} Kg7 37. Kc2 Bd6 38. b4 Rf8 39. f3 Re8 40. Kd2 h6 41. Rh4 Rh8 42. Rh5 $2 ({White should try} 42. Rg4+ $18 Kf8 43. Rg6) 42... Kf6 $2 {[%mdl 8192]} (42... Re8 $1 $11 {and Black has nothing to worry.}) 43. e4 {Accuracy: White = 76%, Black = 34%.} 1-0

[Event "V Magistral Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.19"]
[Round "4.5"]
[White "Roselli Mailhe, Bernardo"]
[Black "Hoffman, Alejandro"]
[Result "0-1"]
[ECO "B06"]
[WhiteElo "2434"]
[BlackElo "2461"]
[Annotator "TA"]
[PlyCount "86"]
[EventDate "2019.02.17"]
[EventType "tourn"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,86,53,55,52,59,38,29,47,40,42,33,18,49,-70,-50,-47,-47,-47,-46,-127,-131,-133,-106,-187,-193,-182,-152,-156,-71,-78,-56,-165,-25,-156,-103,-128,-135,-195,-127,-163,-119,-178,-197,-219,-209,-218,-143,-141,-101,-194,-139,-122,-28,-232,-101,-106,-92,-167,-167,-167,-147,-128,-125,-372,-364,-361,-360,-292,-351,-475,-473,-472,-443,-454,-412]} 1. e4 g6 2. d4 Bg7 3. Nf3 d6 4. Nc3 a6 5. a4 Nd7 (5... Nf6 6. Be2 O-O 7. O-O Nc6 8. h3 e5 9. d5 Ne7 10. a5 Nh5 11. Re1 h6 12. Bf1 Nf4 13. Ra3 g5 14. Ne2 Neg6 15. Ng3 Ne7 16. c4 f5 {1-0 (54) Matlakov,M (2694)-Mamedov,R (2688) Tallinn 2016}) 6. Bc4 {B06: Modern Defence} e6 7. Bg5 Ne7 {LiveBook: 6 Games} 8. a5 {White is slightly better.} h6 9. Bf4 $146 ({Predecessor:} 9. Be3 Nf6 10. Bb3 d5 11. Qd3 O-O 12. O-O Bd7 13. e5 Nh7 14. Qd2 Nf5 15. Bf4 Rc8 16. Nd1 Bb5 17. Re1 g5 {½-½ (17) Van Cappellen,J (2059)-Ghyselen,W (2000) Houffalize 2011}) 9... g5 10. Be3 Nf6 11. h4 g4 12. Nh2 h5 13. Qe2 (13. Bb3 $14) 13... d5 14. exd5 exd5 15. Bb3 O-O 16. O-O-O (16. Nf1 $15) 16... c6 $36 {[%mdl 2048] Black is on the roll.} 17. Qd2 Nf5 18. Bf4 (18. Kb1 $17) 18... Qxa5 $19 19. Kb1 Qd8 ({But not} 19... Nxh4 20. Bg5 $15) 20. f3 Ne7 ({Don't take} 20... Nxh4 21. Bg5 $15) (20... a5 $142 {Hoping for ...gxf3.} 21. fxg4 a4 22. Nxa4 hxg4) 21. Rde1 Ng6 22. Be5 (22. Bg5 $15) 22... Nxe5 ({Black should try} 22... a5 $19 23. Bxf6 Qxf6 24. fxg4 Qxd4 25. Qxd4 Bxd4 26. gxh5 Nxh4) 23. Rxe5 (23. dxe5 $11 Nd7 24. fxg4) 23... Qd6 ({Better is} 23... a5 $1 24. Rg5 b5 25. fxg4 a4 26. Bxd5 Nxd5 27. gxh5 f6) 24. Nf1 Nh7 25. Re2 (25. Rxh5 $17 {keeps fighting.} Qg6 26. Re5) 25... Bd7 (25... b5 $1 $19 {Threatens to win with ...a5.} 26. Na2 a5) 26. Ne3 f5 27. fxg4 (27. Ncxd5 $17 cxd5 28. Nxd5) 27... hxg4 ({Resist} 27... fxg4 28. Ne4 $17) 28. Na4 Rae8 $1 29. Nc5 Bc8 30. Rhe1 {Black must now prevent Nxd5.} Nf6 {[#] aiming for ...b6.} 31. Qd3 (31. Nxb7 $1 $17 {[%mdl 512] was the only defense.} Qh2 (31... Bxb7 32. Nxf5) 32. Nc5) 31... b6 (31... Ne4 $19 32. c3 Qd8 33. Nxe4 fxe4) 32. Na4 $17 b5 (32... Re4 $17 33. Rf1 f4 34. Nxd5 cxd5 35. Rxe4 Nxe4 36. Qxe4 Kh8) 33. Nc5 $2 (33. Nb6 $1 $11 {and White is okay.} Be6 34. Nxf5 Bxf5 35. Qxf5) 33... Nh5 (33... Ne4 $19 {is more deadly. Strongly threatening ...Kh8.} 34. Qd1 Kh8) 34. Nxd5 Rxe2 35. Nf4+ {[#]} (35. Ne7+ $17 {is a better defense.} Kh7 36. Rxe2 Qxd4 37. Qxd4 Bxd4 38. Nd3) 35... Kh8 $1 $19 36. Nxe2 {[#]} f4 $1 37. Ne4 Qg6 {...f3 is the strong threat.} 38. Ng5 $2 (38. Rf1 $17) 38... Qxd3 39. cxd3 f3 40. gxf3 gxf3 {[%cal Bg4f3,Bf3e2][%mdl 32]} 41. Bf7 fxe2 {Black is clearly winning.} 42. Bxh5 Rf1 43. Nf3 Be6 {Precision: White = 29%, Black = 44%.} 0-1

[Event "V Magistral Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.20"]
[Round "5.1"]
[White "Hoffman, Alejandro"]
[Black "Tristan, Leonardo"]
[Result "1/2-1/2"]
[ECO "D37"]
[WhiteElo "2461"]
[BlackElo "2493"]
[Annotator "TA"]
[PlyCount "46"]
[EventDate "2019.02.17"]
[EventType "tourn"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,46,24,24,21,35,31,31,12,19,0,0,0,0,0,0,0,-2,-9,0,-12,0,0,0,0,0,0,0,0,0,0,0,8,27,27,19,19,31,0,0]} 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Nc3 a6 5. cxd5 exd5 6. Bg5 {D37: Queen's Gambit Declined: 5 Bf4} Be6 7. e3 Nbd7 8. Be2 {White is slightly better.} (8. Bd3 Bd6 9. O-O c6 10. Qc2 Qc7 11. Rfe1 O-O 12. a3 Bg4 13. Bh4 Bh5 {0-1 (35) Mamedyarov,S (2817)-Maghsoodloo,P (2688) St Petersburg 2018}) 8... Bd6 9. a3 $146 ({Predecessor:} 9. O-O h6 10. Bh4 O-O 11. a3 c6 12. Qb3 Rb8 13. Rac1 Re8 {0-1 (56) Dobrov,V (2515)-Georgiev,K (2623) Riadh 2017}) 9... c6 10. Qc2 Qc7 11. Bh4 h6 12. Bg3 Bxg3 13. hxg3 O-O 14. b4 b6 15. O-O Rfc8 16. Rfc1 a5 17. Na4 {[%cal Bc3a4,Ba4b2,Bb2d3][%mdl 32]} axb4 18. axb4 Ne4 19. Nb2 Rxa1 20. Rxa1 Ndf6 21. Nd3 Ng4 22. Rc1 Bf5 {[#] aiming for ...Nexf2!} 23. Nh4 Be6 {Accuracy: White = 70%, Black = 67%.} 1/2-1/2

[Event "V Magistral Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.20"]
[Round "5.2"]
[White "Larrea, Manuel"]
[Black "Roselli Mailhe, Bernardo"]
[Result "1/2-1/2"]
[ECO "C54"]
[WhiteElo "2269"]
[BlackElo "2434"]
[Annotator "TA"]
[PlyCount "97"]
[EventDate "2019.02.17"]
[EventType "tourn"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,97,11,13,13,21,24,24,21,24,23,28,29,32,22,26,16,26,14,19,14,23,20,16,17,4,14,33,38,35,32,33,22,41,32,80,89,104,85,103,62,125,133,137,138,129,126,101,79,75,27,102,100,112,107,412,116,112,119,177,99,81,47,34,46,29,50,51,39,47,22,17,17,21,17,21,17,28,24,760,55,66,0,9,0,0,0,0,0,0,0]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 d6 6. a4 {C54: Giuoco Piano: 4 c3 Nf6, main lines with 5 d4 and 5 d3} a6 7. O-O Ba7 (7... O-O 8. Bg5 h6 9. Bh4 g5 10. Bg3 Ba7 11. Nbd2 Nh7 12. h3 h5 13. d4 h4 14. Bh2 g4 15. hxg4 Bxg4 16. dxe5 dxe5 {1-0 (45) Duda,J (2738)-Kramnik,V (2777) Wijk aan Zee 2019}) 8. Re1 {White has an edge.} h6 9. Nbd2 Ng4 10. Re2 O-O 11. h3 Nf6 12. Re1 Be6 13. Bxe6 fxe6 14. b4 Nh5 15. Nf1 Qf6 16. Be3 Nf4 17. Kh2 $146 ({Predecessor:} 17. Bxa7 Rxa7 {0-1 (38) Ni,S (2450)-Tan,Z (2508) China 2017}) 17... Ne7 (17... Qg6 {seems wilder.} 18. Ng3 Qf6 19. Ra2 Ne7 20. Nf1 Qg6) 18. Bxa7 Rxa7 19. Re3 Raa8 20. g3 Nfg6 21. Kg2 d5 22. N1h2 h5 23. Ra2 Rad8 24. Qb3 dxe4 (24... Nh8 $14) 25. dxe4 $16 Nh8 26. h4 Nf7 27. Rd2 Rd6 28. Rxd6 cxd6 29. b5 a5 (29... axb5 $11 30. Qxb5 d5) 30. c4 b6 31. Qd1 Rc8 $2 {[%mdl 8192]} (31... Qg6 $16) 32. Nd2 $2 (32. Ng5 $1 $18 {is the precise move to win.}) 32... Qh6 33. Nhf3 Ng6 {[#]} (33... Qg6 $16) 34. Rd3 (34. Rc3 $1 $18) 34... Nf8 35. Ng5 {[%mdl 64] Deflection} Nxg5 36. hxg5 Qxg5 37. Rxd6 h4 $1 38. Nf3 $36 {[%mdl 2048] White is more active.} Qg4 39. Nxh4 Qxe4+ 40. Qf3 Qxc4 41. Rxb6 {Threatens to win with Rb7.} e4 $1 {[%cal Re4f3]} 42. Qf4 Qd5 {Hoping for ...g5.} 43. Rd6 g5 $2 {[%mdl 8192] [#]} (43... Qc5 $11 44. Rd1 Qh5) 44. Rxd5 $2 (44. Qf6 $1 $18 Qb7 45. Ng6 e3+ 46. Rc6 {[%mdl 64] Decoy} Rxc6 47. Ne7+ (47. Qxf8+ Kh7 $11) 47... Qxe7 48. Qxe7) 44... gxf4 $14 45. Rg5+ ({White should try} 45. Rd4 $1 $14) 45... Kf7 $11 {The position is equal.} 46. gxf4 Rc4 47. b6 Rxa4 48. Rb5 {Black must now prevent b7.} Rb4 49. Rxa5 {Accuracy: White = 55%, Black = 48%.} 1/2-1/2

[Event "V Magistral Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.20"]
[Round "5.3"]
[White "Lujan, Carolina"]
[Black "Lima, Darcy"]
[Result "0-1"]
[ECO "B11"]
[WhiteElo "2357"]
[BlackElo "2535"]
[Annotator "RC"]
[PlyCount "144"]
[EventDate "2019.02.17"]
[EventType "tourn"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:00:35]} c6 {[%emt 0:00:02]} 2. Nc3 {[%emt 0:00:08]} d5 {[%emt 0:00:08]} 3. Nf3 {[%emt 0:00:06]} Bg4 {[%emt 0:00:49]} 4. h3 {[%emt 0:00:39]} Bh5 {[%emt 0:00:26]} 5. exd5 cxd5 {[%emt 0:00:08]} 6. Bb5+ {[%emt 0:00:36]} Nc6 {[%emt 0:00:09]} 7. g4 {[%emt 0:01:13]} Bg6 {[%emt 0:00:08]} 8. h4 {[%emt 0:04:07]} f6 {[%emt 0:17:03]} 9. d4 {[%emt 0:08:07]} e6 {[%emt 0:01:51]} 10. Qe2 {[%emt 0:02:12]} Qd7 {[%emt 0:01:15]} 11. a3 {[%emt 0:02:07]} a6 {[%emt 0:07:03]} 12. h5 {[%emt 0:03:28]} Be4 {[%emt 0:05:58]} 13. Bxc6 {[%emt 0:03:32]} Qxc6 {[%emt 0:00:05]} 14. Rh3 {[%emt 0:00:20]} Bxf3 {[%emt 0:06:01]} 15. Rxf3 {[%emt 0:00:59]} Kd7 {[%emt 0:00:07]} 16. Bf4 {[%emt 0:04:01]} Ne7 {[%emt 0:16:23]} 17. O-O-O {[%emt 0:03:23]} Re8 {[%emt 0:03:12]} 18. Na2 {[%emt 0:07:51]} Qc4 {[%emt 0:01:20]} 19. Qd2 {[%emt 0:09:11]} Nc6 {[%emt 0:06:32]} 20. Kb1 {[%emt 0:00:46]} e5 {[%emt 0:14:12]} 21. dxe5 {[%emt 0:10:43]} fxe5 {[%emt 0:00:03]} 22. Be3 {[%emt 0:01:16]} d4 {[%emt 0:00:11]} 23. c3 {[%emt 0:00:59]} Bc5 {[%emt 0:07:06]} 24. cxd4 {[%emt 0:05:03]} exd4 {[%emt 0:00:05]} 25. Rc1 {[%emt 0:01:08]} Qd5 {[%emt 0:00:38]} 26. Rf5 {[%emt 0:01:58]} Qe4+ {[%emt 0:00:45]} 27. Ka1 {[%emt 0:00:12]} Bd6 {[%emt 0:01:24]} 28. Bf4 {[%emt 0:02:38]} Rhf8 {[%emt 0:01:53]} 29. Bxd6 {[%emt 0:03:34]} Rxf5 {[%emt 0:00:10]} 30. gxf5 {[%emt 0:00:09]} Kxd6 {[%emt 0:00:04]} 31. Nb4 {[%emt 0:02:38]} Rc8 {[%emt 0:02:42]} 32. Re1 {[%emt 0:03:02]} Qh4 {[%emt 0:01:48]} 33. f4 {[%emt 0:03:59]} Rd8 {[%emt 0:01:17]} 34. Re6+ {[%emt 0:04:50]} Kc7 {[%emt 0:00:04]} 35. Nxc6 {[%emt 0:00:07]} bxc6 {[%emt 0:00:36]} 36. Qa5+ {[%emt 0:03:02]} Kd7 {[%emt 0:00:47]} 37. Qb4 {[%emt 0:00:31]} Kc7 {[%emt 0:01:57]} 38. Re7+ {[%emt 0:00:48]} Rd7 {[%emt 0:00:04]} 39. Qa5+ {[%emt 0:02:15]} Kc8 {[%emt 0:00:04]} 40. Qxa6+ {[%emt 0:00:10]} Kd8 {[%emt 0:00:03]} 41. Rxd7+ {[%emt 0:01:19]} Kxd7 {[%emt 0:00:06]} 42. Qa7+ {[%emt 0:00:04]} Ke8 {[%emt 0:00:25]} 43. Qxd4 {[%emt 0:00:18]} Qxh5 {[%emt 0:00:05]} 44. Qe5+ {[%emt 0:00:45]} Kf8 {[%emt 0:01:11]} 45. Qd6+ {[%emt 0:00:48]} Kf7 {[%emt 0:00:05]} 46. Qd7+ {[%emt 0:01:27]} Kf8 {[%emt 0:00:02]} 47. a4 {[%emt 0:00:48]} Qe8 {[%emt 0:02:15]} 48. Qd6+ {[%emt 0:00:48]} Qe7 {[%emt 0:00:16]} 49. Qxc6 {[%emt 0:01:00]} h5 {[%emt 0:00:06]} 50. a5 {[%emt 0:00:33]} Qe1+ {[%emt 0:00:04]} 51. Ka2 {[%emt 0:00:05]} Qxa5+ {[%emt 0:00:04]} 52. Kb3 {[%emt 0:00:06]} Qxf5 {[%emt 0:00:06]} 53. Qd6+ {[%emt 0:00:29]} Kf7 {[%emt 0:00:24]} 54. Qc7+ {[%emt 0:01:06]} Kg6 {[%emt 0:00:09]} 55. Qd6+ {[%emt 0:00:25]} Kh7 {[%emt 0:00:09]} 56. Ka4 {[%emt 0:01:26]} h4 {[%emt 0:00:46]} 57. b4 {[%emt 0:00:08]} h3 {[%emt 0:00:32]} 58. Qd2 {[%emt 0:00:13]} Qe4 {[%emt 0:00:36]} 59. Ka5 {[%emt 0:01:01]} Qa8+ {[%emt 0:00:23]} 60. Kb6 {[%emt 0:00:17]} Qg2 {[%emt 0:00:08]} 61. Qd1 {[%emt 0:00:25]} Qg6+ {[%emt 0:00:16]} 62. Kc7 {[%emt 0:00:16]} h2 {[%emt 0:00:43]} 63. b5 {[%emt 0:00:17]} Qf7+ {[%emt 0:00:50]} 64. Kc6 {[%emt 0:01:23]} Qxf4 {[%emt 0:01:12]} 65. Qd3+ {[%emt 0:00:38]} Kh6 {[%emt 0:01:18]} 66. Qh3+ {[%emt 0:00:10]} Kg5 {[%emt 0:00:06]} 67. Qg2+ {[%emt 0:00:18]} Kh4 {[%emt 0:00:18]} 68. b6 {[%emt 0:00:28]} Qc1+ {[%emt 0:00:06]} 69. Kd7 {[%emt 0:00:10]} h1=Q {[%emt 0:00:19]} 70. Qf2+ {[%emt 0:00:09]} Kg5 {[%emt 0:02:51]} 71. Qg3+ {[%emt 0:00:05]} Kf5 {[%emt 0:00:21]} 72. Qd3+ {[%emt 0:00:17]} Qe4 {[%emt 0:00:08]} 0-1

[Event "V Magistral Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.20"]
[Round "5.4"]
[White "Gemy, Jose Daniel"]
[Black "Hungaski, Robert"]
[Result "0-1"]
[ECO "D25"]
[WhiteElo "2391"]
[BlackElo "2520"]
[Annotator "RC"]
[PlyCount "126"]
[EventDate "2019.02.17"]
[EventType "tourn"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. Nf3 {[%emt 0:10:03]} d5 {[%emt 0:00:00]} 2. d4 {[%emt 0:00:10]} Nf6 {[%emt 0:00:00]} 3. c4 {[%emt 0:00:05]} dxc4 {[%emt 0:00:00]} 4. e3 {[%emt 0:00:06]} Bg4 {[%emt 0:00:07]} 5. Bxc4 {[%emt 0:00:10]} e6 {[%emt 0:00:07]} 6. Nbd2 {[%emt 0:00:56]} Nbd7 {[%emt 0:00:34]} 7. O-O {[%emt 0:00:23]} Bd6 {[%emt 0:00:49]} 8. h3 {[%emt 0:00:42]} Bh5 {[%emt 0:00:16]} 9. b3 {[%emt 0:00:05]} O-O {[%emt 0:03:32]} 10. Bb2 {[%emt 0:00:13]} Qe7 {[%emt 0:00:52]} 11. a3 {[%emt 0:01:12]} e5 {[%emt 0:01:35]} 12. dxe5 {[%emt 0:02:33]} Nxe5 {[%emt 0:00:21]} 13. Be2 {[%emt 0:00:07]} Rfd8 {[%emt 0:10:28]} 14. Nxe5 {[%emt 0:06:43]} Bxe2 15. Nc6 {[%emt 0:06:18]} Bxd1 {[%emt 0:04:17]} 16. Nxe7+ {[%emt 0:00:11]} Bxe7 {[%emt 0:02:12]} 17. Rfxd1 {[%emt 0:00:16]} Rd3 {[%emt 0:02:55]} 18. Kf1 {[%emt 0:00:16]} Rad8 {[%emt 0:10:15]} 19. Ke2 {[%emt 0:00:41]} R3d7 {[%emt 0:01:02]} 20. b4 {[%emt 0:03:13]} Nd5 {[%emt 0:15:15]} 21. Nc4 {[%emt 0:05:37]} c6 {[%emt 0:03:12]} 22. g4 {[%emt 0:11:57]} f6 {[%emt 0:03:07]} 23. f4 {[%emt 0:02:50]} Kf7 {[%emt 0:00:37]} 24. Kf3 {[%emt 0:01:09]} Nc7 {[%emt 0:09:17]} 25. Rxd7 {[%emt 0:12:07]} Rxd7 {[%emt 0:00:05]} 26. Na5 {[%emt 0:00:18]} Ne6 {[%emt 0:03:52]} 27. Ke2 {[%emt 0:03:55]} Bd8 {[%emt 0:01:11]} 28. Nb3 {[%emt 0:00:26]} Bb6 {[%emt 0:00:38]} 29. f5 {[%emt 0:09:30]} Ng5 {[%emt 0:05:20]} 30. h4 {[%emt 0:02:12]} Ne4 {[%emt 0:00:07]} 31. Bd4 {[%emt 0:01:02]} h5 {[%emt 0:04:53]} 32. Kf3 {[%emt 0:04:13]} Nd6 {[%emt 0:00:53]} 33. Bxb6 {[%emt 0:08:21]} hxg4+ {[%emt 0:00:04]} 34. Kxg4 {[%emt 0:00:13]} axb6 {[%emt 0:00:04]} 35. Rd1 {[%emt 0:00:09]} Ke7 {[%emt 0:01:22]} 36. a4 {[%emt 0:02:05]} Rd8 {[%emt 0:03:08]} 37. Rd4 {[%emt 0:02:14]} Rc8 {[%emt 0:02:07]} 38. Rd1 {[%emt 0:03:24]} Nc4 {[%emt 0:05:32]} 39. Kf3 {[%emt 0:00:54]} Ra8 {[%emt 0:03:14]} 40. Ra1 {[%emt 0:00:49]} Ne5+ {[%emt 0:03:39]} 41. Ke4 {[%emt 0:00:22]} Rh8 {[%emt 0:00:41]} 42. Rh1 {[%emt 0:00:01]} Kd6 {[%emt 0:01:10]} 43. Rd1+ {[%emt 0:01:37]} Kc7 {[%emt 0:00:05]} 44. Rh1 {[%emt 0:00:01]} Rh5 {[%emt 0:01:33]} 45. Nd4 {[%emt 0:00:46]} Kd6 {[%emt 0:00:09]} 46. Ne6 {[%emt 0:01:28]} g6 {[%emt 0:00:27]} 47. Nd4 {[%emt 0:00:56]} g5 {[%emt 0:00:50]} 48. Nf3 {[%emt 0:00:23]} Nxf3 {[%emt 0:00:12]} 49. Kxf3 {[%emt 0:00:13]} Rxh4 {[%emt 0:00:34]} 50. Rd1+ {[%emt 0:00:54]} Ke5 {[%emt 0:00:17]} 51. Rd7 {[%emt 0:00:18]} Kxf5 {[%emt 0:01:07]} 52. b5 {[%emt 0:00:20]} Rxa4 {[%emt 0:00:27]} 53. Rxb7 {[%emt 0:00:10]} cxb5 {[%emt 0:00:18]} 54. Rxb6 {[%emt 0:00:01]} Rb4 {[%emt 0:00:35]} 55. Kg3 {[%emt 0:00:18]} Rb3 {[%emt 0:00:48]} 56. Kf3 {[%emt 0:00:11]} g4+ {[%emt 0:00:49]} 57. Kf2 {[%emt 0:00:01]} Ke5 {[%emt 0:00:25]} 58. Rb8 {[%emt 0:00:09]} b4 {[%emt 0:00:43]} 59. Re8+ {[%emt 0:00:15]} Kf5 {[%emt 0:00:16]} 60. Rb8 {[%emt 0:00:05]} Rb1 {[%emt 0:00:47]} 61. Kg3 {[%emt 0:00:25]} b3 {[%emt 0:00:22]} 62. Rb5+ {[%emt 0:00:04]} Ke4 {[%emt 0:00:13]} 63. Kxg4 {[%emt 0:01:04]} b2 {[%emt 0:00:10]} 0-1

[Event "V Magistral Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.20"]
[Round "5.5"]
[White "Carbone, Diego"]
[Black "Lopez Azambuja, Nicolas"]
[Result "1/2-1/2"]
[ECO "A40"]
[WhiteElo "2256"]
[BlackElo "2320"]
[Annotator "NA RC"]
[PlyCount "107"]
[EventDate "2019.02.17"]
[EventType "tourn"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 {[%emt 0:00:00]} Nf6 {[%emt 0:00:00]} 2. c4 {[%emt 0:00:00]} e6 {[%emt 0:00:00]} 3. g3 {[%emt 0:00:00]} Bb4+ {[%emt 0:00:10]} 4. Bd2 {[%emt 0:00:05]} c5 {[%emt 0:00:10]} 5. Bxb4 cxb4 {[%emt 0:00:31]} 6. Bg2 {[%emt 0:00:30]} O-O {[%emt 0:00:13]} 7. e4 {[%emt 0:00:29]} d6 {[%emt 0:00:22]} 8. Ne2 {[%emt 0:00:07]} e5 {[%emt 0:00:22]} 9. a3 {[%emt 0:00:33]} Qb6 {[%emt 0:00:31]} 10. O-O {[%emt 0:15:51]} a5 {[%emt 0:00:25]} 11. axb4 {[%emt 0:03:20]} Qxb4 {[%emt 0:00:18]} 12. Na3 {[%emt 0:01:23]} Bg4 {[%emt 0:02:16]} 13. f3 {[%emt 0:14:52]} Bd7 {[%emt 0:01:16]} 14. Qd3 {[%emt 0:00:38]} Nc6 {[%emt 0:10:31]} 15. h3 {[%emt 0:21:29]} exd4 {[%emt 0:26:36]} 16. f4 {[%emt 0:00:06]} Qc5 {[%emt 0:01:39]} 17. Rad1 {[%emt 0:02:42]} Rfe8 {[%emt 0:19:35]} 18. Kh2 {[%emt 0:00:07]} Qh5 {[%emt 0:03:41]} 19. Nc2 {[%emt 0:16:29]} Bf5 {[%emt 0:21:55]} 20. g4 {[%emt 0:09:32]} Bxg4 {[%emt 0:01:46]} 21. Ng3 {[%emt 0:00:05]} Qh4 {[%emt 0:00:50]} 22. Rde1 {[%emt 0:00:05]} Be6 {[%emt 0:01:41]} 23. Rf3 {[%emt 0:05:39]} Rac8 {[%emt 0:02:01]} 24. b3 {[%emt 0:01:45]} Ng4+ {[%emt 0:01:01]} 25. Kg1 {[%emt 0:00:36]} Nf6 {[%emt 0:00:12]} 26. Kh2 {[%emt 0:03:40]} g5 {[%emt 0:00:28]} 27. e5 {[%emt 0:02:54]} dxe5 {[%emt 0:01:18]} 28. fxg5 {[%emt 0:00:29]} Nh5 {[%emt 0:00:58]} 29. Nxh5 {[%emt 0:00:32]} Qxh5 {[%emt 0:00:03]} 30. Rg3 {[%emt 0:00:14]} Kh8 {[%emt 0:01:46]} 31. Bf3 {[%emt 0:00:28]} Qh4 {[%emt 0:00:15]} 32. Be4 {[%emt 0:00:38]} Rg8 {[%emt 0:00:16]} 33. Reg1 {[%emt 0:00:05]} Rg7 {[%emt 0:00:16]} 34. Ne1 {[%emt 0:00:25]} Qf4 {[%emt 0:00:28]} 35. Ng2 {[%emt 0:01:00]} Qf2 {[%emt 0:00:20]} 36. Rf1 {[%emt 0:00:26]} Qb2 {[%emt 0:00:09]} 37. Bxc6 {[%emt 0:00:37]} bxc6 {[%emt 0:00:12]} 38. Qe4 {[%emt 0:00:12]} d3 {[%emt 0:00:37]} 39. Qxd3 {[%emt 0:00:30]} Qd4 {[%emt 0:00:31]} 40. Qe2 {[%emt 0:00:17]} e4 {[%emt 0:00:30]} 41. Rf4 {[%emt 0:00:21]} f5 {[%emt 0:01:00]} 42. gxf6 {[%emt 0:00:49]} Rxg3 {[%emt 0:00:04]} 43. Kxg3 {[%emt 0:00:22]} Rg8+ {[%emt 0:00:42]} 44. Kh2 {[%emt 0:00:37]} Qc3 {[%emt 0:00:27]} 45. f7 {[%emt 0:00:59]} Rf8 {[%emt 0:01:17]} 46. Qxe4 {[%emt 0:00:27]} Qxh3+ {[%emt 0:00:27]} 47. Kg1 {[%emt 0:00:05]} Rxf7 {[%emt 0:00:27]} 48. Rxf7 {[%emt 0:00:54]} Bxf7 {[%emt 0:00:05]} 49. Qxc6 {[%emt 0:00:25]} Qxb3 {[%emt 0:00:21]} 50. Qf6+ {[%emt 0:00:22]} Kg8 {[%emt 0:00:31]} 51. Qd8+ {[%emt 0:00:05]} Kg7 {[%emt 0:00:06]} 52. Qg5+ {[%emt 0:00:04]} Kf8 {[%emt 0:01:22]} 53. Qd8+ {[%emt 0:00:19]} Kg7 {[%emt 0:01:24]} 54. Qg5+ {[%emt 0:00:05]} 1/2-1/2

[Event "V Magistral Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.21"]
[Round "6.1"]
[White "Tristan, Leonardo"]
[Black "Lopez Azambuja, Nicolas"]
[Result "1/2-1/2"]
[ECO "C01"]
[WhiteElo "2493"]
[BlackElo "2320"]
[Annotator "TA"]
[PlyCount "94"]
[EventDate "2019.02.17"]
[EventType "tourn"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,94,6,25,32,30,15,31,11,5,10,26,25,49,41,51,38,87,83,104,60,81,91,166,157,158,154,170,188,167,143,184,133,131,102,102,95,98,93,200,193,197,197,188,195,191,165,162,81,79,77,77,79,77,70,67,43,44,34,149,160,476,460,445,395,551,564,561,561,564,564,509,509,477,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 e6 2. d4 d5 3. exd5 exd5 4. Nf3 Nf6 5. Bd3 c5 6. O-O {C01: French: Exchange Variation} c4 7. Be2 (7. Re1+ Be7 8. Be2 O-O 9. b3 cxb3 10. axb3 Nc6 11. c3 Re8 12. Nbd2 Bd6 13. Bd3 Bg4 14. Rxe8+ Qxe8 {0-1 (52) Fontaine,R (2563)-Carlsen,M (2834) chess.com INT 2018}) 7... Nc6 8. b3 {White is slightly better.} cxb3 9. axb3 Be7 10. Ne5 Qb6 $146 ({Predecessor:} 10... O-O 11. Nxc6 bxc6 12. Bf4 Re8 13. Nc3 {½-½ (25) Hollan,P (2292)-Livaic,L (2444) Prague 2016}) 11. Be3 $36 {[%mdl 2048] White has some pressure.} O-O 12. c4 Nb4 13. c5 Qd8 14. Ra4 Nc6 15. Nc3 Be6 (15... a5 $16) 16. Nxc6 $18 bxc6 17. b4 Ne4 18. Nxe4 dxe4 19. Ra6 Bd5 20. Qa4 ({Better is} 20. b5 $18) 20... f5 $16 {White should prevent ...f4.} 21. f4 exf3 22. Bxf3 f4 23. Bf2 Bxf3 (23... Rc8 $16 {keeps fighting.}) 24. gxf3 $18 Rf6 25. Rxc6 Qd5 26. Rxf6 Bxf6 27. Rb1 Bxd4 {[#]} 28. Qb3 (28. Rd1 $1 $18 {[%cal Rd1d4]} Bxf2+ 29. Kxf2) 28... Bxf2+ $16 29. Kxf2 Qxb3 30. Rxb3 {[%mdl 4096] Endgame KR-KR} Kf7 31. Rd3 Ke6 32. Rd4 g5 33. Ke2 Rc8 (33... Rf8 $14) 34. Kd3 a5 $2 (34... h5 $16 35. Kc4 Rf8) 35. bxa5 $18 {[%cal Bb4a5,Ba5a6][%mdl 32]} Rxc5 36. Ra4 Rc7 37. a6 {a7 is the strong threat.} Ra7 38. Ke4 Kf6 39. h4 h6 {[#]} 40. h5 $1 Ke6 {intending ...Kd6.} 41. Kd4 $2 ({White should play} 41. Ra5 $18 {And now Ra2 would win.} Ke7 42. Kf5) 41... Kd6 $11 {The position is equal.} 42. Ke4 Kc6 43. Ra1 Kb5 44. Rb1+ Kc5 45. Ra1 Kb5 46. Rb1+ Kc5 47. Ra1 Kb5 {Accuracy: White = 71%, Black = 43%.} 1/2-1/2

[Event "V Magistral Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.21"]
[Round "6.2"]
[White "Hungaski, Robert"]
[Black "Carbone, Diego"]
[Result "1/2-1/2"]
[ECO "C54"]
[WhiteElo "2520"]
[BlackElo "2256"]
[Annotator "TA"]
[PlyCount "88"]
[EventDate "2019.02.17"]
[EventType "tourn"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,88,0,5,0,0,0,0,0,0,0,0,0,29,-33,-26,-44,-58,-61,-44,-73,-6,-16,0,-6,0,0,0,0,0,0,0,-7,-4,-4,-5,-4,-4,-40,-16,-16,0,0,0,0,0,0,0,-8,-8,-8,-8,-8,11,11,11,11,45,0,0,0,0,0,0,0,0,0,22]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. e5 d5 7. Bb5 Ne4 8. cxd4 Bb6 9. Nc3 O-O 10. Be3 {C54: Giuoco Piano: 4 c3 Nf6, main lines with 5 d4 and 5 d3} Bf5 (10... Bg4 11. h3 Bh5 12. Qc2 Nxc3 13. bxc3 f6 14. exf6 Qxf6 15. Be2 Rae8 16. O-O Kh8 17. a4 Bg6 {1-0 (41) Jones,G (2682)-Jakovenko,D (2735) St Petersburg 2018}) 11. Qb3 Ne7 12. O-O c6 {LiveBook: 3 Games. aiming for ...Nxc3.} 13. Bd3 {[#]} Nd2 $1 {[%mdl 512]} 14. Nxd2 $146 (14. Bxd2 Bxd3) ({Predecessor:} 14. Bxd2 Bxd3 15. Rfe1 Bg6 16. Bg5 h6 {0-1 (49) Krupa,M (2229)-Matras,A (2219) Wroclaw 2009}) 14... Bxd3 15. Rfe1 Bg6 16. Na4 Nf5 17. Nxb6 Qxb6 18. Qxb6 (18. Qc3 $11) 18... axb6 $15 19. a4 Ra6 20. g4 Nxe3 21. Rxe3 Rfa8 ({Black should play} 21... f6 $17 {And now ...fxe5 would win.} 22. e6 Rfa8) 22. Rea3 $11 h5 23. h3 hxg4 24. hxg4 c5 25. f4 Bc2 {[%cal Rc2a4]} 26. dxc5 bxc5 27. Rc3 Bxa4 {Strongly threatening ...Bc6.} 28. Rxc5 Bc6 29. Rxa6 Rxa6 {[%mdl 4096] Endgame KRB-KRN} 30. b3 Ra2 31. Nf3 d4 32. Nxd4 Rg2+ 33. Kf1 $1 Rxg4 34. Ne2 Bf3 35. Rc4 g5 36. f5 Rxc4 37. bxc4 Bxe2+ (37... Be4 {is more complex.} 38. Ng3 Bd3+ 39. Ke1 Bxc4 40. Ne4 Bd3) 38. Kxe2 {K3P-K3P} f6 39. e6 $1 Kf8 40. c5 Ke8 {The position is equal.} 41. Kf3 Ke7 42. Ke4 Ke8 43. Kd4 Kd8 44. Kd5 Ke7 {Precision: White = 51%, Black = 65%.} 1/2-1/2

[Event "V Magistral Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.21"]
[Round "6.3"]
[White "Lima, Darcy"]
[Black "Gemy, Jose Daniel"]
[Result "1-0"]
[ECO "C47"]
[WhiteElo "2535"]
[BlackElo "2391"]
[Annotator "TA"]
[PlyCount "53"]
[EventDate "2019.02.17"]
[EventType "tourn"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,53,0,-4,13,23,13,24,45,16,89,70,89,86,149,139,198,185,302,264,276,265,342,337,419,416,358,352,347,331,523,68,65,70,68,4,1282,1281,1995,1719,29987,29988,29988,29989,29989,795]} 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. g3 d5 5. exd5 Nxd5 6. Bg2 Nde7 {C47: Scotch Four Knights and Four Knights with 4 g3} (6... Nxc3 7. bxc3 Bd6 8. O-O O-O 9. Rb1 Rb8 10. d3 Bf5 11. h3 b6 12. Ng5 Qd7 13. g4 Bg6 14. h4 f6 15. h5 Be8 16. Ne4 h6 17. Ng3 {0-1 (45) Chigaev,M (2560)-Kuzubov,Y (2689) Batumi 2018}) 7. O-O g6 8. b4 {[%cal Bb2b4,Bb4b5][%mdl 32]} Bg7 {White has an edge.} 9. Rb1 f5 $146 (9... Nd4 $11) ({Predecessor:} 9... a6 10. a4 O-O 11. Re1 Bf5 12. d3 b5 13. axb5 axb5 14. Nh4 {1-0 (30) Glek,I (2531)-Pisakov,I (2341) Perm 2007}) 10. b5 $16 Nd4 11. Nxd4 exd4 ({Black should play} 11... Qxd4 12. Bb2 Qd6) 12. Ne2 g5 (12... O-O $16) 13. c3 Be6 (13... d3 {might work better.}) 14. Nxd4 Bxd4 15. cxd4 {Threatens to win with Re1.} Bd5 16. Qh5+ Ng6 17. Re1+ Kf7 18. Re5 Bxg2 19. Rxf5+ ({Don't play} 19. Kxg2 Kg7) 19... Ke6 (19... Kg7 $142 20. Kxg2 h6) 20. Qg4 $2 {[#]} ({Inferior is} 20. Kxg2 Kxf5 21. Qf3+ Ke6 $11) (20. Rxg5 $18 Be4 21. Rb3 (21. Re5+ Nxe5 22. Qxe5+ {[%mdl 64] Double Attack} Kd7 $16)) 20... h5 $14 21. Re5+ $1 {[%mdl 1024] White has compensation.} Kf7 22. Qf5+ (22. Qe6+ $14 Kg7 23. Kxg2) 22... Kg7 $2 {[%mdl 8192]} (22... Qf6 $11) 23. Re6 $18 Nf8 24. d5 {Bb2+ would kill now.} Qxd5 25. Bb2+ {[%mdl 64] [#] Skewer. White mates.} Kg8 26. Rg6+ Nxg6 27. Qxg6+ {Accuracy: White = 61%, Black = 25%.} 1-0

[Event "V Magistral Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.21"]
[Round "6.4"]
[White "Roselli Mailhe, Bernardo"]
[Black "Lujan, Carolina"]
[Result "1-0"]
[ECO "B08"]
[WhiteElo "2434"]
[BlackElo "2357"]
[Annotator "TA"]
[PlyCount "95"]
[EventDate "2019.02.17"]
[EventType "tourn"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,95,31,41,8,19,12,-5,14,70,0,23,-28,-39,-45,54,7,22,0,39,6,54,0,20,-5,0,-27,0,-10,0,-7,89,60,75,89,81,84,85,83,107,59,91,33,147,141,131,121,121,0,0,0,4,6,6,6,31,-4,25,37,35,0,8,0,306,285,705,685,4790,29954,6087,4718,2470,2144,1749,1710,1319,1018,29985,29986,29986,29987,29987,29988,29992,29993]} 1. d4 Nf6 2. Nf3 g6 3. Nc3 d6 4. e4 Bg7 5. Be3 c6 6. Qd2 b5 7. Bd3 Bg4 8. Bh6 {B08: Pirc Defence: Classical System} (8. e5 b4 9. Ne4 Nd5 10. Bh6 O-O 11. h4 Bxf3 12. gxf3 dxe5 13. h5 Bh8 14. Ng5 Bf6 15. Nxh7 Kxh7 16. hxg6+ Kg8 17. g7 Re8 18. O-O-O {1-0 (18) Fressinet,L (2650)-Almasi,Z (2682) Germany 2018}) 8... Bxh6 9. Qxh6 {White wants to play Ng5.} Bxf3 $1 10. gxf3 {The position is equal.} Qa5 ({Better is} 10... Nbd7 $11) 11. O-O-O ({White should try} 11. O-O $14) 11... b4 12. Nb1 (12. Ne2 $142) 12... Nbd7 $146 ({Predecessor:} 12... Qxa2 13. e5 dxe5 14. dxe5 Nh5 {1-0 (24) Stefanova,A (2410)-Weeramantry,S (2265) Honolulu 1997}) 13. Rhe1 O-O-O (13... Qxa2 $15 14. e5 dxe5 15. dxe5 Nd5) 14. Bc4 d5 15. Bb3 e6 16. Nd2 Qb5 17. Qe3 (17. Re3 $1 $14) 17... a5 {[%cal Ba7a5,Ba5a4][%mdl 32] aiming for ...a4.} 18. c4 (18. a4 $5 {[%cal Ra4b5]} Qb6 19. c4 $11) 18... bxc3 $1 19. Qxc3 Kb7 (19... a4 $5 {[%cal Ra4b3]} 20. Bc2 Kc7 $11) 20. Kb1 a4 21. Bc2 c5 (21... Ra8 $11) 22. dxc5 Rc8 23. Qd4 Qxc5 24. Qxa4 Nb6 25. Qb3 Qxf2 26. exd5 Nfxd5 27. Be4 (27. Ne4 $16 Qxh2 28. Nc3 Nxc3+ 29. bxc3) 27... Rhd8 {[#]} (27... Rc7 $14) 28. Bxd5+ $1 $16 Rxd5 29. Ne4 Qxh2 {[#]} 30. a4 (30. Rc1 $1 $16 {[%cal Rc1c8] Threatens to win with Rxc8.} Rxc1+ 31. Rxc1) 30... Ka7 {Hoping for ...Nc4.} 31. Nc3 Rdc5 32. Rh1 Qf4 $132 {[%mdl 2048] Black is not keeping still} 33. Rxh7 Nd5 (33... Rxc3 $5 34. bxc3 Nd5 35. Rxd5 exd5 36. Qxd5 Rb8+ 37. Kc2 Qxa4+ 38. Kd2 Rb2+ 39. Ke3 Qe8+ 40. Kf4 Qb8+ 41. Ke4 Qe8+ 42. Kf4 Qb8+ 43. Ke4 Qe8+ 44. Kf4 $11) 34. Nxd5 Rxd5 35. Rxd5 exd5 $14 {[%mdl 4096] Endgame KQR-KQR} 36. a5 Rc6 37. Ka2 Qf5 $2 {[%mdl 8192]} (37... Rf6 $11) 38. Rh8 $18 Qe5 $2 (38... Qf4 39. Rd8 (39. Qxd5 Qa4+ 40. Kb1 Qc2+ 41. Ka2 Qa4+ 42. Kb1 Qc2+ 43. Ka2 Qa4+ $11) 39... Qc4) 39. Rd8 {Threatening mate with Rd7+.} Qc7 40. Qxd5 Ka6 41. Qd3+ Kxa5 42. Qa3+ Kb6 43. Ra8 {[%cal Ra3b4]} Kb5 44. Ra4 {[%csl Ga4][%cal Ra3b4]} Rc5 45. Qb3+ {White mates.} Kc6 46. Ra6+ Kd7 47. Qxf7+ {[%mdl 64] Double Attack} Kc8 48. Qe8+ {Accuracy: White = 48%, Black = 38%.} 1-0

[Event "V Magistral Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.21"]
[Round "6.5"]
[White "Hoffman, Alejandro"]
[Black "Larrea, Manuel"]
[Result "0-1"]
[ECO "D41"]
[WhiteElo "2461"]
[BlackElo "2269"]
[Annotator "TA"]
[PlyCount "80"]
[EventDate "2019.02.17"]
[EventType "tourn"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,80,26,6,54,40,37,62,44,47,50,59,37,56,59,74,68,36,45,24,25,52,59,64,75,38,82,84,87,79,93,87,74,76,95,89,107,104,125,117,147,140,138,131,203,141,137,83,147,62,70,77,68,28,47,44,48,68,42,0,0]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c5 5. cxd5 Nxd5 6. e3 cxd4 7. exd4 Be7 8. Bd3 O-O 9. O-O Nc6 10. Re1 Bf6 11. Be4 Nce7 12. h4 b6 {D42: Queen's Gambit Declined: Semi-Tarrasch: 5 cxd5 Nxd5 6 e3 Nc6 7 Bd3} 13. Qd3 g6 14. Bg5 Bxg5 {White is slightly better.} 15. hxg5 Bb7 16. Ne5 Nf5 17. Qd2 f6 18. gxf6 Rxf6 19. Rad1 $146 ({Predecessor:} 19. Rac1 Nd6 20. Bf3 Rf8 {½-½ (38) Ravi,T (2385)-Lada,I (2182) Biel 2000}) 19... Rc8 20. g3 Nxc3 21. bxc3 Bxe4 22. Rxe4 Nd6 23. Ree1 Nc4 24. Qe2 Qd5 25. Ng4 $1 {[%cal Rg4f6]} Rf3 26. Qxe6+ Qxe6 27. Rxe6 h5 28. Nh2 Rxc3 29. Rxg6+ Kf7 30. Rh6 Ra3 31. Rxh5 Rxa2 32. Nf3 {Re1 is the strong threat.} Kg6 (32... Rc6 $16) 33. Rg5+ Kf6 {[#]} 34. g4 (34. Rg4 $142 $1) 34... Nd6 {[#]} (34... Re2 $142) 35. Rd5 (35. Rh5 $1 $16 {aiming for Re1.} Kg7 36. Re1) 35... Ne4 $14 36. Rf5+ Kg7 37. Nh4 {Threatens to win with Re1.} Rcc2 {[%cal Re4f2]} 38. Re1 Re2 39. Rxe2 Rxe2 40. d5 a5 {[%mdl 32768] Accuracy: White = 52%, Black = 68%. . Loss on time!?} 0-1

[Event "V Magistral Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.22"]
[Round "7.1"]
[White "Larrea, Manuel"]
[Black "Tristan, Leonardo"]
[Result "0-1"]
[ECO "C54"]
[WhiteElo "2269"]
[BlackElo "2493"]
[Annotator "ChessBase"]
[PlyCount "52"]
[EventDate "2019.02.17"]
[EventType "tourn"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:00:00]} e5 {[%emt 0:04:13]} 2. Nf3 {[%emt 0:00:00]} Nc6 {[%emt 0:00:12]} 3. Bc4 {[%emt 0:00:00]} Bc5 {[%emt 0:00:07]} 4. c3 {[%emt 0:00:01]} Nf6 {[%emt 0:00:16]} 5. d3 {[%emt 0:00:15]} d6 {[%emt 0:01:11]} 6. a4 {[%emt 0:00:51]} a5 {[%emt 0:00:07]} 7. O-O {[%emt 0:05:55]} h6 {[%emt 0:03:11]} 8. Na3 {[%emt 0:05:23]} O-O {[%emt 0:02:32]} 9. Nc2 {[%emt 0:00:05]} Be6 {[%emt 0:06:39]} 10. Bxe6 {[%emt 0:14:36]} fxe6 {[%emt 0:00:18]} 11. Be3 {[%emt 0:03:46]} Bxe3 {[%emt 0:01:04]} 12. Nxe3 {[%emt 0:02:05]} d5 {[%emt 0:06:53]} 13. Qb3 {[%emt 0:08:36]} Qd7 {[%emt 0:02:58]} 14. Rad1 {[%emt 0:03:11]} Kh8 {[%emt 0:03:19]} 15. exd5 {[%emt 0:02:17]} exd5 {[%emt 0:00:04]} 16. d4 {[%emt 0:00:16]} exd4 {[%emt 0:00:12]} 17. Nxd4 {[%emt 0:00:10]} Nxd4 {[%emt 0:00:05]} 18. Rxd4 {[%emt 0:00:23]} c6 {[%emt 0:00:04]} 19. Rfd1 {[%emt 0:13:03]} Qf7 {[%emt 0:01:44]} 20. Rf4 {[%emt 0:00:56]} Qc7 {[%emt 0:00:41]} 21. Rf3 {[%emt 0:14:09]} Ne4 {[%emt 0:01:00]} 22. Rxf8+ {[%emt 0:01:26]} Rxf8 {[%emt 0:00:06]} 23. f3 {[%emt 0:01:29]} Nc5 {[%emt 0:00:53]} 24. Qa3 {[%emt 0:06:27]} Qb6 {[%emt 0:00:07]} 25. Kf2 {[%emt 0:10:53]} Re8 {[%emt 0:10:56]} 26. b4 {[%emt 0:03:18]} Na6 {[%emt 0:07:19]} 0-1

[Event "V Magistral Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.22"]
[Round "7.2"]
[White "Lujan, Carolina"]
[Black "Hoffman, Alejandro"]
[Result "1/2-1/2"]
[ECO "B72"]
[WhiteElo "2357"]
[BlackElo "2461"]
[Annotator "ChessBase"]
[PlyCount "84"]
[EventDate "2019.02.17"]
[EventType "tourn"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:00:00]} c5 {[%emt 0:00:34]} 2. Nf3 {[%emt 0:00:00]} d6 {[%emt 0:00:07]} 3. d4 cxd4 {[%emt 0:00:08]} 4. Nxd4 {[%emt 0:00:00]} Nf6 {[%emt 0:00:06]} 5. Nc3 {[%emt 0:00:00]} g6 {[%emt 0:00:07]} 6. Be2 {[%emt 0:01:10]} Bg7 {[%emt 0:00:48]} 7. Be3 {[%emt 0:00:38]} O-O {[%emt 0:00:15]} 8. Qd2 {[%emt 0:00:18]} Nc6 {[%emt 0:00:22]} 9. O-O-O {[%emt 0:00:24]} Nxd4 {[%emt 0:03:33]} 10. Bxd4 {[%emt 0:00:25]} Be6 {[%emt 0:00:50]} 11. h4 {[%emt 0:08:34]} Qa5 {[%emt 0:12:47]} 12. Qg5 Qxg5+ {[%emt 0:03:59]} 13. hxg5 {[%emt 0:04:07]} Nd7 {[%emt 0:00:07]} 14. f4 {[%emt 0:13:57]} Bxd4 {[%emt 0:08:35]} 15. Rxd4 {[%emt 0:00:06]} f6 {[%emt 0:00:38]} 16. gxf6 {[%emt 0:07:26]} Rxf6 {[%emt 0:00:24]} 17. g3 {[%emt 0:09:43]} g5 {[%emt 0:00:09]} 18. Bc4 {[%emt 0:05:19]} gxf4 {[%emt 0:08:23]} 19. Bxe6+ {[%emt 0:01:19]} Rxe6 {[%emt 0:00:03]} 20. gxf4 {[%emt 0:00:13]} Rf8 {[%emt 0:00:23]} 21. Nd5 {[%emt 0:08:55]} Nf6 {[%emt 0:04:07]} 22. Nxf6+ {[%emt 0:00:53]} Rfxf6 {[%emt 0:00:11]} 23. f5 {[%emt 0:02:18]} Re5 {[%emt 0:00:06]} 24. Rh4 {[%emt 0:02:11]} Kg7 {[%emt 0:01:43]} 25. Rg4+ {[%emt 0:00:39]} Kf7 {[%emt 0:00:54]} 26. Rh4 {[%emt 0:00:12]} h6 {[%emt 0:00:08]} 27. c4 {[%emt 0:05:48]} Rc5 {[%emt 0:02:29]} 28. b3 {[%emt 0:00:25]} Rc8 {[%emt 0:01:04]} 29. Rd2 {[%emt 0:05:49]} b5 {[%emt 0:02:46]} 30. Rc2 {[%emt 0:00:03]} Rc5 {[%emt 0:01:40]} 31. Kb2 {[%emt 0:04:28]} a5 {[%emt 0:01:08]} 32. Kc3 {[%emt 0:02:06]} bxc4 {[%emt 0:03:22]} 33. bxc4 {[%emt 0:01:17]} e6 {[%emt 0:00:23]} 34. Rf2 {[%emt 0:03:02]} exf5 {[%emt 0:00:16]} 35. Rxf5 {[%emt 0:00:38]} Rfxf5 {[%emt 0:00:31]} 36. exf5 {[%emt 0:00:04]} d5 {[%emt 0:00:08]} 37. Rxh6 {[%emt 0:00:35]} Rxc4+ {[%emt 0:00:07]} 38. Kd3 {[%emt 0:01:48]} Ra4 {[%emt 0:00:09]} 39. Rd6 {[%emt 0:01:07]} Ra3+ {[%emt 0:00:06]} 40. Kd4 {[%emt 0:00:18]} Rxa2 {[%emt 0:00:07]} 41. Rxd5 {[%emt 0:00:32]} Rd2+ {[%emt 0:00:06]} 42. Kc4 {[%emt 0:00:07]} Rxd5 {[%emt 0:00:06]} 1/2-1/2

[Event "V Magistral Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.22"]
[Round "7.3"]
[White "Gemy, Jose Daniel"]
[Black "Roselli Mailhe, Bernardo"]
[Result "1/2-1/2"]
[ECO "C09"]
[WhiteElo "2391"]
[BlackElo "2434"]
[Annotator "TA"]
[PlyCount "150"]
[EventDate "2019.02.17"]
[EventType "tourn"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,150,52,35,30,6,21,4,2,0,30,28,40,39,59,59,59,58,58,62,84,84,83,84,86,62,70,37,133,10,10,9,22,11,71,70,83,80,89,78,82,19,6,0,20,22,18,28,42,34,48,52,45,45,52,45,45,45,122,122,198,214,214,210,212,214,214,214,214,143,177,172,343,336,384,368,336,191,191,196,189,120,135,128,128,0,0,0,128,120,120,20,6424,128,128,136,229,229,120,0,148,143,148,139,1229,309,305,8,8,8,8,8,8,8,8,8,8,8,8,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 e6 2. d4 d5 3. Nd2 c5 4. Ngf3 Nc6 5. exd5 exd5 6. Bb5 Bd6 7. dxc5 Bxc5 8. O-O Nge7 9. Nb3 Bd6 10. c3 O-O 11. Bg5 Re8 {C09: French Tarrasch: 3...c5 4 exd5 exd5 5 Ngf3 Nc6} (11... a6 12. Bd3 Bg4 13. Bh4 h6 14. Bg3 Bc7 15. Bxc7 Qxc7 16. Be2 Ng6 17. Nfd4 Bxe2 18. Nxe2 Rad8 19. Re1 Nce5 20. Nbd4 Nc4 21. Qc2 Qb6 {½-½ (59) Ankit,R (2455)-Istratescu,A (2671) Graz 2014}) 12. Bh4 Bg4 13. Re1 $146 ({Predecessor:} 13. Bg3 Bxg3 14. hxg3 Qb6 15. Nbd4 a6 16. Ba4 h6 17. Re1 Qxb2 18. Rb1 Qxc3 19. Rxb7 Bxf3 20. Nxf3 {1-0 (33) Galassi,F (2145)-Maggi,F (2003) Lodi 2008}) 13... Qb6 14. Bxe7 Rxe7 15. Qxd5 Rxe1+ 16. Rxe1 {Ng5 is the strong threat.} Ne7 17. Qd4 Bxf3 $1 18. Qxb6 $1 axb6 19. gxf3 g6 20. Rd1 Rd8 21. Kf1 Kf8 22. Ke2 Nf5 23. Bd3 Re8+ (23... Ng7 $14) 24. Be4 (24. Kf1 $16) 24... Bxh2 $11 25. Rh1 Be5 26. Rxh7 Nd6 (26... Bg7 $11) 27. Kd3 Rd8 28. Kc2 $1 Bg7 29. Rh1 Re8 30. Kd3 ({Better is} 30. Bd3 $16) 30... Re5 31. c4 Rh5 32. Rb1 Rh2 33. Bd5 Rxf2 34. Nd4 Bh6 35. Ne2 Rh2 36. a4 Rh5 37. b4 {[%cal Bb2b4,Bb4c5][%mdl 32]} Re5 38. f4 Rh5 ({Black should play} 38... Re7 $1 $14) 39. Rh1 $1 $16 Ke7 (39... Rxh1 $16 40. Bxh1 f5) 40. Rxh5 $18 gxh5 {[%mdl 4096] Endgame KBN-KBN} 41. c5 bxc5 42. bxc5 Nc8 43. Bxb7 Na7 44. Ke4 Kd7 45. Bd5 f6 $2 (45... h4 {might work better.} 46. Bxf7 Kc6) 46. Nd4 Bf8 47. Ne6 Be7 48. Kd4 (48. f5 $142) 48... h4 49. Kc4 h3 50. f5 (50. Nd4 $18) 50... h2 51. Nd4 Bd8 52. Be6+ (52. Bg2 $16) 52... Kc7 (52... Ke7 $11 53. Bd5 Kd7) 53. Bd5 $16 Kd7 $1 54. Bh1 Bc7 55. Nb5 (55. Bg2 $16) 55... Bb8 $2 {[%mdl 8192]} (55... Nc6 $11) 56. Nc3 $2 (56. Nxa7 $18 {and the rest is easy. White wants to mate with Nc6.} Bxa7 57. a5) 56... Be5 57. Nd5 Nc6 (57... Ke8 $16 58. a5 Kd7) 58. Nb6+ $18 Kc7 59. Nd5+ Kd7 60. Kb5 Nd4+ {[#]} 61. Kb6 $1 Nxf5 $2 {[%mdl 8192]} (61... Nb3 $16) 62. Kb7 $2 (62. a5 {Black must now prevent a6.} Bd4 63. Kb5) 62... Nd4 {[#]} 63. a5 $2 ({White has to play} 63. c6+ $1 $18 {[%mdl 512]} Kd8 (63... Nxc6 64. Nb6+) 64. c7+ Bxc7 65. Nxc7) 63... Nb3 $132 {[%mdl 2048] The position is equal. Black has counterplay} 64. c6+ Kd6 65. Kb6 Nxa5 66. Kxa5 Kxc6 67. Nxf6+ Kc5 {aiming for ...Bc3+.} 68. Ng4 Kd4 69. Nxe5 Kxe5 {KB-KP} 70. Kb4 {And now Kc4 would win.} Kd4 71. Bg2 Ke3 72. Kc3 Kf2 73. Bd5 Kg1 74. Kd2 h1=Q 75. Bxh1 Kxh1 {Accuracy: White = 50%, Black = 49%.} 1/2-1/2

[Event "V Magistral Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.22"]
[Round "7.4"]
[White "Carbone, Diego"]
[Black "Lima, Darcy"]
[Result "0-1"]
[ECO "A40"]
[WhiteElo "2256"]
[BlackElo "2535"]
[Annotator "TA"]
[PlyCount "78"]
[EventDate "2019.02.17"]
[EventType "tourn"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,78,66,90,42,41,34,42,34,30,0,5,-7,13,-13,0,-7,0,-5,-5,-5,-5,-5,0,-18,-13,-13,-5,-10,-12,-9,-14,-12,-7,-12,-11,-16,-7,-17,0,-46,-41,-43,-47,-44,-28,-33,-63,-35,-40,-178,-145,-146,-141,-570,-556,-989,-963]} 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Nf3 c5 5. Bg2 Nc6 6. O-O Be7 7. dxc5 Bxc5 8. cxd5 Nxd5 9. Qc2 Be7 10. Rd1 {E06: Closed Catalan: Early deviations} Bd7 11. e4 (11. Nc3 Nxc3 12. bxc3 O-O 13. Bf4 Qc8 14. Rab1 Rd8 15. Bg5 h6 16. Bxe7 Nxe7 17. Ne5 Bc6 18. Rxd8+ Qxd8 19. Nxc6 bxc6 {1-0 (85) Miton,K (2601)-Kovalenko,I (2653) Wroclaw 2014}) 11... Nb6 12. Nc3 {[%cal Bb1c3,Bc3e4,Be4d6][%mdl 32]} O-O {LiveBook: 5 Games} 13. e5 $146 ({Predecessor:} 13. Bf4 Qe8 14. Qe2 f6 15. Be3 Rd8 {½-½ (15) Filip,L (2480)-Foisor,O (2405) Mamaia 2012}) 13... Qb8 14. Bg5 h6 15. Bxe7 Nxe7 16. Ne4 Bc6 (16... Ba4 $5 17. b3 $8 Bc6 $11) 17. Nd6 Nbc8 18. Ne4 Ng6 {[%cal Be7g6,Bg6e5,Be5g4,Bg4e3][%mdl 32]} 19. Nd4 Nxe5 20. f4 Ng4 21. Nxc6 bxc6 22. Qxc6 Nb6 23. Qd6 (23. Rd3 {seems wilder.} Nd5 24. Rb3 Qd8 25. Bf3 Nge3 26. Qc5) 23... Ne3 24. Qxb8 Raxb8 25. Rdc1 Nbd5 26. b3 Nxg2 27. Kxg2 Rfd8 28. Rc6 Nb4 29. Rc7 a6 {[%cal Ba7a6,Ba6a5][%mdl 32]} 30. Rc4 Rd3 31. Kh3 a5 32. Nc5 {[#] aiming for a3.} Rd2 33. a3 Nd5 $36 {[%mdl 2048] Black has good play.} 34. Rac1 $1 g5 35. fxg5 hxg5 36. Rg4 (36. R4c2 $15 Rxc2 37. Rxc2) 36... f6 {[#] Strongly threatening ...Kf7.} 37. Nxe6 {White wants to play Rd4.} Ne3 {White must now prevent ...Kf7.} 38. Nxg5 $2 {[%mdl 8192]} (38. Re4 $17 {is a better chance.} Rxb3 39. Rc8+ Kf7 40. Rc7+ Kg6 41. Rg7+ Kf5 42. Rd4) 38... Nxg4 $19 ({Less strong is} 38... fxg5 39. Rxg5+ Kf7 40. Rc7+ Kf6 41. Rh5 $17) 39. Nf3 Nf2+ {Precision: White = 36%, Black = 67%.} 0-1

[Event "V Magistral Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.22"]
[Round "7.5"]
[White "Lopez Azambuja, Nicolas"]
[Black "Hungaski, Robert"]
[Result "1/2-1/2"]
[ECO "D20"]
[WhiteElo "2320"]
[BlackElo "2520"]
[Annotator "TA"]
[PlyCount "133"]
[EventDate "2019.02.17"]
[EventType "tourn"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,133,21,27,0,10,0,0,0,19,0,17,0,0,0,0,0,-4,-8,22,0,-1,0,-19,-26,0,0,8,9,12,8,14,16,40,37,16,20,59,27,33,33,33,0,0,0,0,0,22,9,33,27,14,0,0,14,42,18,35,39,44,37,62,63,82,87,69,62,53,35,355,356,329,332,443,448,447,404,489,363,329,301,273,131,112,100,102,118,116,100,95,88,175,154,230,218,181,56,56,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 d5 2. c4 dxc4 3. e3 e5 4. Bxc4 exd4 5. exd4 Nf6 6. Nf3 Be7 7. h3 O-O 8. O-O Nbd7 {[%cal Bb8d7,Bd7b6,Bb6d5][%mdl 32]} 9. Nc3 Nb6 10. Bb3 Nbd5 11. Re1 c6 12. Ne5 {D20: Queen's Gambit Accepted: 3 e3 and 3 e4} Be6 13. Bc2 (13. Bg5 Re8 14. Na4 h6 15. Bh4 Bb4 16. Rf1 Nf4 17. a3 Qxd4 18. Qxd4 Ne2+ 19. Kh1 Nxd4 20. Bxe6 Rxe6 21. axb4 Rxe5 22. Nb6 Rae8 23. Bxf6 gxf6 24. Nd7 Rf5 25. Rxa7 Re2 26. Rxb7 Rxb2 27. f4 Kg7 {0-1 (27) Tkachiev,V (2642)-Carlsen,M (2801) Moscow 2009}) 13... Re8 $146 ({Predecessor:} 13... c5 14. Bg5 cxd4 15. Ne2 Nb4 16. Bb1 Nd7 17. Bxe7 Qxe7 18. Qxd4 {½-½ (19) Tairi,F (2443)-Svenn,G (2362) Sweden 2007}) 14. a3 Nd7 15. Qd3 Nf8 16. Ne4 f6 17. Nf3 Bf7 18. Nh4 Qd7 19. Bd2 b6 20. Ng3 g6 21. Nf3 Ne6 22. Rac1 Bf8 (22... Nef4 $5 {[%cal Rf4d3]} 23. Qa6 Kg7 $11) 23. Ne4 Bg7 24. Ba4 Rac8 25. b4 Red8 26. b5 {[%cal Rb5c6]} cxb5 27. Bxb5 Qe7 28. Bc4 Qf8 29. Qb3 Nec7 $1 30. a4 {[%cal Ba3a4,Ba4a5][%mdl 32]} Rd7 31. a5 b5 32. Bf1 ({But not} 32. Bxb5 $2 Rb8 $19) 32... a6 33. Nc5 Rdd8 34. Qd3 Re8 35. g3 Rxe1 36. Rxe1 Re8 37. Rc1 Rd8 38. Bg2 Rd6 39. Nb7 $36 {[%mdl 2048] And now Rxc7 would win. White is pushing.} Re6 40. h4 Qb8 41. Nc5 Re7 42. Bh3 Bf8 43. Nh2 Qa8 44. Ng4 Ne6 $2 {[%mdl 8192]} (44... Qe8 $14) 45. Bg2 $18 Bg7 {[#]} 46. Nxa6 $1 {[%mdl 576] Deflection} Qxa6 47. Bxd5 Rd7 48. Ne3 Nc7 49. Bxf7+ Kxf7 50. Qb3+ Qe6 51. Qxe6+ (51. d5 $18 {is more deadly.} Nxd5 52. Qxb5) 51... Nxe6 $16 52. d5 Nd4 53. Kg2 {Black must now prevent Rc8.} Nb3 54. Rc2 Nxd2 55. Rxd2 {[%mdl 4096] Endgame KRB-KRN} f5 {[#]} (55... Ra7 $16) 56. a6 $1 $18 b4 (56... Ra7 $16) 57. Nc4 b3 {[%cal Bb4b3,Bb3b2][%mdl 32]} 58. f4 (58. d6 $18) 58... Ra7 $14 59. Rd3 ({White should play} 59. d6 $1 $14 b2 60. Nxb2 Bxb2 61. Rxb2 Rxa6 62. Rb7+ Ke6 63. Rxh7) 59... b2 $11 {The position is equal.} 60. Rb3 {Ne5+ is the strong threat.} Rxa6 61. Ne5+ Bxe5 62. fxe5 {Threatens to win with Rb7+. KR-KR} Ra5 63. Rb7+ Kg8 64. Rxb2 Rxd5 65. Rb8+ Kf7 66. Rb7+ Ke6 67. Rxh7 {Accuracy: White = 60%, Black = 51%.} 1/2-1/2

[Event "V Magistral Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.23"]
[Round "8.1"]
[White "Tristan, Leonardo"]
[Black "Hungaski, Robert"]
[Result "1/2-1/2"]
[ECO "A80"]
[WhiteElo "2493"]
[BlackElo "2520"]
[Annotator "ChessBase"]
[PlyCount "25"]
[EventDate "2019.02.17"]
[EventType "tourn"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 {[%emt 0:04:53]} f5 {[%emt 0:04:40]} 2. Nc3 {[%emt 0:00:16]} Nf6 {[%emt 0:00:12]} 3. Bg5 {[%emt 0:00:09]} d5 {[%emt 0:00:15]} 4. Bxf6 exf6 {[%emt 0:00:06]} 5. e3 {[%emt 0:00:15]} c6 {[%emt 0:00:28]} 6. Bd3 {[%emt 0:00:09]} Qb6 {[%emt 0:00:51]} 7. Rb1 {[%emt 0:00:20]} Qc7 {[%emt 0:01:03]} 8. Qf3 {[%emt 0:00:44]} g6 {[%emt 0:00:11]} 9. Nge2 {[%emt 0:00:06]} Bd6 {[%emt 0:00:29]} 10. h4 {[%emt 0:00:25]} h5 {[%emt 0:00:26]} 11. Nf4 {[%emt 0:00:06]} Bxf4 {[%emt 0:00:32]} 12. Qxf4 {[%emt 0:00:06]} Qxf4 {[%emt 0:00:05]} 13. exf4 {[%emt 0:00:05]} 1/2-1/2

[Event "V Magistral Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.23"]
[Round "8.2"]
[White "Lima, Darcy"]
[Black "Lopez Azambuja, Nicolas"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "2535"]
[BlackElo "2320"]
[Annotator "TA"]
[PlyCount "49"]
[EventDate "2019.02.17"]
[EventType "tourn"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,49,7,2,-15,-10,-26,14,21,36,37,24,29,27,3,254,252,253,246,192,178,153,154,363,331,449,427,414,413,592,576,1013,716,753,752,734,732,879,869,29997,29998]} 1. g3 d5 2. Bg2 c6 3. f4 Nf6 4. d3 g6 5. Nf3 Bg7 6. O-O {A03: Bird's Opening with 1...d5} Qb6+ {LiveBook: 5 Games} (6... O-O 7. c3 Bg4 8. Ne5 Be6 9. Nd2 Nbd7 10. d4 Bf5 11. e3 h5 12. Qe2 Ne4 13. Nxe4 dxe4 14. Nxd7 Qxd7 15. b3 {0-1 (29) Bartel,M (2622)-Malakhov,V (2694) Berlin 2015}) 7. Kh1 Ng4 {And now ...Nf2+ would win.} 8. d4 {The position is equal.} Nh6 $146 ({Predecessor:} 8... h5 9. c3 Nd7 10. Ne5 Ndxe5 11. fxe5 h4 12. gxh4 Rxh4 13. h3 Bf5 {0-1 (30) Pang,Y (1981)-Blackburn,J (2185) Batumi 2018}) 9. Nc3 Nf5 10. e4 dxe4 11. Nxe4 Be6 12. g4 Nd6 $2 {[%mdl 8192]} (12... Bd5 $11 {and Black is okay.}) 13. Nxd6+ $18 exd6 {[#]} 14. f5 $1 {[%cal Rf5e6][%mdl 512]} Bd5 (14... gxf5 15. gxf5) 15. Qe1+ Kd7 16. Qg3 ({Don't do} 16. Bg5 $6 Re8 $14) 16... h6 $2 (16... Bxd4 $16 17. Nxd4 Qxd4) 17. Bf4 Bf8 18. fxg6 fxg6 19. g5 hxg5 (19... Kc7 {might work better.} 20. gxh6 Nd7 21. Qxg6 Be7) 20. Nxg5 Bc4 21. Rfe1 Na6 22. b3 Bg8 23. Bh3+ Kd8 24. c4 d5 {[#]} 25. Nf7+ $1 {[%mdl 512] Precision: White = 80%, Black = 12%.} 1-0

[Event "V Magistral Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.23"]
[Round "8.3"]
[White "Roselli Mailhe, Bernardo"]
[Black "Carbone, Diego"]
[Result "1/2-1/2"]
[ECO "A48"]
[WhiteElo "2434"]
[BlackElo "2256"]
[Annotator "TA"]
[PlyCount "41"]
[EventDate "2019.02.17"]
[EventType "tourn"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,41,0,0,-17,16,18,27,25,25,23,38,25,41,29,18,13,8,0,0,3,0,0,0,0,22,-15,0,0,5,-27,-27,-25,-17,-58]} 1. d4 Nf6 2. Nf3 g6 3. Bf4 Bg7 4. e3 O-O 5. Be2 d6 6. c4 {A48: 1 d4 Nf6 2 Nf3 g6: Torre, London and Colle Systems} (6. O-O c5 7. c3 b6 8. h3 Bb7 9. Nbd2 Nbd7 10. a4 a6 11. Bh2 Ne4 12. Nxe4 Bxe4 13. Bd3 Bxd3 14. Qxd3 Qc7 15. Rfd1 Rfc8 16. Qe2 Qb7 17. e4 cxd4 18. cxd4 Rc7 19. e5 {1-0 (61) Vachier Lagrave,M (2779)-Grischuk,A (2766) Saint Louis 2018}) 6... b6 7. Nc3 Bb7 8. Qc2 {White has an edge.} Nbd7 9. O-O Re8 10. Rad1 Qc8 11. h3 e5 12. Bh2 exd4 13. Nxd4 $146 ({Predecessor:} 13. exd4 Ne4 14. Rfe1 Ndf6 15. Nxe4 Bxe4 16. Qc1 Qb7 {1-0 (24) Koziak,V (2470)-Jacek,K (2055) Police 2010}) 13... Ne4 14. Nd5 c6 15. Nf4 a5 {[%cal Ba7a5,Ba5a4][%mdl 32]} 16. Bf3 Ndf6 17. Nb3 a4 18. Nd2 {[%cal Rd2e4]} d5 19. cxd5 (19. Bxe4 $5 dxe4 20. Bg3 $11) 19... cxd5 20. Qb1 Qc5 21. a3 {Accuracy: White = 32%, Black = 53%.} 1/2-1/2

[Event "V Magistral Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.23"]
[Round "8.4"]
[White "Hoffman, Alejandro"]
[Black "Gemy, Jose Daniel"]
[Result "1-0"]
[ECO "E18"]
[WhiteElo "2461"]
[BlackElo "2391"]
[Annotator "RC"]
[PlyCount "71"]
[EventDate "2019.02.17"]
[EventType "tourn"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 {[%emt 0:00:00]} Nf6 {[%emt 0:12:42]} 2. c4 {[%emt 0:00:00]} e6 {[%emt 0:00:06]} 3. Nf3 {[%emt 0:00:11]} b6 {[%emt 0:00:04]} 4. g3 {[%emt 0:00:19]} Bb7 {[%emt 0:03:23]} 5. Bg2 {[%emt 0:00:10]} Be7 {[%emt 0:00:07]} 6. O-O {[%emt 0:00:10]} O-O {[%emt 0:00:02]} 7. Nc3 {[%emt 0:00:18]} Ne4 {[%emt 0:00:19]} 8. Bd2 {[%emt 0:00:16]} d5 {[%emt 0:07:23]} 9. cxd5 {[%emt 0:08:09]} exd5 {[%emt 0:00:11]} 10. Rc1 {[%emt 0:03:14]} Na6 {[%emt 0:31:40]} 11. Ne5 {[%emt 0:05:35]} Nxc3 {[%emt 0:09:45]} 12. Bxc3 {[%emt 0:03:19]} c5 {[%emt 0:00:22]} 13. e3 {[%emt 0:04:28]} f6 {[%emt 0:03:12]} 14. Nd3 {[%emt 0:01:39]} c4 {[%emt 0:00:59]} 15. Nf4 {[%emt 0:00:26]} Nc7 {[%emt 0:00:04]} 16. b3 {[%emt 0:00:46]} g5 {[%emt 0:05:41]} 17. Nh5 {[%emt 0:00:31]} cxb3 {[%emt 0:01:42]} 18. Qxb3 {[%emt 0:05:26]} Ba6 {[%emt 0:00:31]} 19. Rfe1 {[%emt 0:00:30]} Bc4 {[%emt 0:01:14]} 20. Qb1 {[%emt 0:01:31]} Nb5 {[%emt 0:03:53]} 21. e4 {[%emt 0:04:57]} Ba3 {[%emt 0:02:36]} 22. Bb2 {[%emt 0:07:55]} Bb4 {[%emt 0:00:09]} 23. e5 {[%emt 0:00:33]} Bxe1 {[%emt 0:12:21]} 24. Rxe1 {[%emt 0:00:03]} Qe8 {[%emt 0:00:55]} 25. Nxf6+ {[%emt 0:02:35]} Rxf6 {[%emt 0:00:04]} 26. exf6 {[%emt 0:00:05]} Qg6 {[%emt 0:00:16]} 27. Qxg6+ {[%emt 0:00:40]} hxg6 {[%emt 0:00:01]} 28. Re7 {[%emt 0:00:15]} Rf8 {[%emt 0:01:24]} 29. a4 {[%emt 0:03:15]} Nd6 {[%emt 0:00:03]} 30. Rg7+ {[%emt 0:00:19]} Kh8 {[%emt 0:00:01]} 31. Rxg6 {[%emt 0:00:10]} Re8 {[%emt 0:03:43]} 32. h4 {[%emt 0:03:01]} gxh4 {[%emt 0:00:09]} 33. Ba3 {[%emt 0:00:35]} hxg3 {[%emt 0:00:20]} 34. fxg3 {[%emt 0:00:34]} Nf7 {[%emt 0:00:58]} 35. Rg7 {[%emt 0:01:07]} Re3 {[%emt 0:00:39]} 36. Be7 {[%emt 0:08:11]} 1-0

[Event "V Magistral Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.23"]
[Round "8.5"]
[White "Larrea, Manuel"]
[Black "Lujan, Carolina"]
[Result "1/2-1/2"]
[ECO "B09"]
[WhiteElo "2269"]
[BlackElo "2357"]
[Annotator "TA"]
[PlyCount "44"]
[EventDate "2019.02.17"]
[EventType "tourn"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,44,-7,-14,-77,-85,-95,-75,-82,-81,-92,-72,-94,-69,-106,-15,-15,-15,-15,-14,-21,-12,-14,-8]} 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Nf3 O-O 6. Bd3 Nc6 7. O-O e5 8. d5 Ne7 9. fxe5 dxe5 10. Nxe5 c6 11. Bg5 {B09: Pirc Defence: Austrian Attack} cxd5 12. exd5 Nexd5 {LiveBook: 5 Games} 13. Nc4 $146 (13. Qe2 $11 {keeps the balance.} Re8 14. Nxd5 Qxd5 15. Bxf6 Bxf6 16. Rxf6 Rxe5 17. Qf2) ({Predecessor:} 13. Nxd5 Qxd5 14. Qf3 Qxf3 15. Rxf3 Ng4 16. Nxg4 Bxg4 17. Rf4 Be6 18. Bf6 Bxf6 19. Rxf6 {0-1 (63) Jensson,E (2386)-Jones,G (2665) chess.com INT 2017}) 13... Nxc3 $17 14. bxc3 b5 15. Ne3 Qb6 16. Kh1 {[#]} Bb7 $1 17. Rb1 a6 18. c4 {[%cal Rc4b5]} Qc5 ({Better is} 18... Ne4 $17 19. cxb5 axb5 20. Rxb5 Qc6) 19. Bxf6 $11 {The position is equal.} Bxf6 20. Rxf6 {Strongly threatening Qg1.} Qxe3 21. Qf1 ({Not} 21. cxb5 $2 {[#]} Bxg2+ $1 {[%mdl 512]} 22. Kxg2 Qg5+ 23. Kh1 Qxf6 $19) 21... Qg5 {Threatens to win with ...Bxg2+!} 22. Rf2 Qe7 1/2-1/2

[Event "V Magistral Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.24"]
[Round "9.1"]
[White "Lujan, Carolina"]
[Black "Tristan, Leonardo"]
[Result "1/2-1/2"]
[ECO "C54"]
[WhiteElo "2357"]
[BlackElo "2493"]
[Annotator "TA"]
[PlyCount "31"]
[EventDate "2019.02.17"]
[EventType "tourn"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,22,18,12,-20,13,0,33,28,34,33,35]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 d6 6. O-O a6 7. Bb3 O-O 8. Be3 {C54: Giuoco Piano: 4 c3 Nf6, main lines with 5 d4 and 5 d3} Ba7 9. Nbd2 Be6 10. Bxe6 fxe6 11. Bxa7 Rxa7 {Predecessor:} 12. Qb3 $146 Qe8 13. d4 Nd7 14. Rad1 Kh8 15. h3 h6 16. Rfe1 {½-½ (42) Fedorov,A (2617)-Adams,M (2735) playchess.com INT 2006} 1/2-1/2

[Event "V Magistral Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.24"]
[Round "9.2"]
[White "Gemy, Jose Daniel"]
[Black "Larrea, Manuel"]
[Result "1/2-1/2"]
[ECO "B30"]
[WhiteElo "2391"]
[BlackElo "2269"]
[Annotator "TA"]
[PlyCount "43"]
[EventDate "2019.02.17"]
[EventType "tourn"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,43,40,30,50,10,50,48,48,48,96,47,49,42,45,50,50,45,50,45,38,24,28,0]} 1. e4 c5 2. Nf3 Nc6 3. c3 d5 4. exd5 Qxd5 5. d4 Bg4 6. Be2 cxd4 7. cxd4 e6 8. O-O Nf6 9. Nc3 Qd8 10. Be3 Be7 11. h3 Bh5 12. Qb3 a6 {B22: Sicilian: 2 c3} (12... Rb8 13. Rfd1 Nd5 14. Nxd5 exd5 15. Bf4 Bd6 16. Qxd5 Bxf4 17. Qxh5 O-O 18. d5 Ne7 19. d6 Ng6 20. d7 Qf6 {1-0 (56) Potapov,P (2493)-Debashis,D (2472) Doha 2016}) 13. Rfd1 {aiming for d5.} O-O (13... Na5 $5 {[%cal Ra5b3]} 14. Qc2 O-O $11) 14. d5 Na5 {White is slightly better.} 15. Qb6 exd5 16. Qxd8 Bxd8 17. Nxd5 Nxd5 $146 ({Predecessor:} 17... Nc6 18. Nf4 Re8 19. Nxh5 Nxh5 20. Rd7 {1-0 (57) Pinski,J (2245)-Javet,B (2085) Geneve 1997}) 18. Rxd5 Bg6 19. Ne5 Be4 $1 {[%cal Re4d5]} 20. Rd4 Bf5 21. Rc1 Re8 22. Nc4 1/2-1/2

[Event "V Magistral Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.24"]
[Round "9.3"]
[White "Hungaski, Robert"]
[Black "Lima, Darcy"]
[Result "1/2-1/2"]
[ECO "C17"]
[WhiteElo "2520"]
[BlackElo "2535"]
[Annotator "TA"]
[PlyCount "128"]
[EventDate "2019.02.17"]
[EventType "tourn"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,128,4,0,-25,59,50,37,0,62,13,22,6,31,-52,-37,-44,-37,-14,-41,-12,0,-139,-103,-95,-65,-116,-84,-74,-71,-189,-182,-136,-131,-130,-90,-116,-111,-114,0,-240,-145,-156,-142,-385,-388,-371,0,0,15,30,247,0,0,0,0,0,6203,23,24,23,20,2,2,-8,-8,-64,-53,-147,-149,-149,-145,-144,-93,-91,-94,-106,-99,-95,-71,-79,-58,-58,-58,-58,-63,-63,-58,-102,-94,-100,-78,-94,-92,-92,-91,-91,-87,-91,0,-91,-80,-93,-82,-115,-8,-8,0,0,0,0,0,0,0,0,0]} 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. Bd2 Bxc3 6. Bxc3 Ne7 {C17: French: 3 Nc3 Bb4 4 e5 c5 sidelines} (6... cxd4 7. Qxd4 Ne7 8. Qg4 Nf5 9. Nf3 Nc6 10. Bd3 h5 11. Qf4 Bd7 12. O-O-O g6 13. h3 Qe7 14. g4 Nh4 15. Nd4 {1-0 (43) Jovanovic,Z (2551)-Mrdja,M (2296) Mali Losinj 2018}) 7. dxc5 Nd7 8. Qg4 O-O {LiveBook: 9 Games} 9. O-O-O f5 $146 (9... Nxc5 $11 10. Bb4 b6) ({Predecessor:} 9... Nxc5 10. Nh3 Bd7 11. Bb4 Rc8 12. Bd3 Ng6 13. Bxg6 fxg6 14. Rhe1 {1-0 (44) Bednarek,S (2336)-Jedynak,R (2353) Jastrzebia Gora 2018}) 10. exf6 $14 Nxf6 11. Qe2 Qc7 (11... Ne4 $11) 12. f3 Qxc5 13. Nh3 Nc6 14. Nf4 (14. Nf2 $14) 14... Qd6 $1 $15 {[%cal Rd6f4]} 15. Nd3 d4 $1 {[%cal Rd4c3]} 16. Bd2 e5 17. Re1 {[%cal Rd3e5]} Re8 18. Qf2 (18. Nf2 $1 $11 {remains equal.}) 18... Bf5 19. g4 Bg6 20. h4 ({White should play} 20. g5 $15 Nd5 21. Kb1) 20... e4 21. fxe4 Nxe4 22. Qh2 (22. Qg2 $17 {was worth a try.}) 22... Qd5 $1 $19 {[%cal Rd5a2]} 23. h5 Qxa2 {[%cal Ra2a1]} 24. Kd1 Qb1+ 25. Bc1 Bf7 26. h6 {[#]} Bg6 (26... Nf6 $1 $17 27. hxg7 Bg6) 27. hxg7 $2 (27. Bg2 $1 $11 Rac8 28. Bxe4 Rxe4 29. Qd6) 27... Rad8 ({But not} 27... Kxg7 28. Qf4) 28. Qf4 Rd7 29. Rh2 $2 (29. Rh5 $17) 29... Rf7 30. Qh6 Rxg7 $2 (30... Ree7 $19 {Hoping for ...a6.} 31. Qh4 Kxg7) 31. Rhe2 $11 Rge7 {aiming for ...Nd8.} (31... Re6 $5 32. Bg2 $8 Rge7 $15) 32. Bg2 Nf6 $2 (32... Qa2 $1 $11) 33. Bxc6 $2 ({White has to play} 33. Rxe7 $18 Rxe7 34. Rxe7 Nxe7 35. Qg5) 33... Rxe2 $40 {[%mdl 128] Black attacks.} 34. Rxe2 Rxe2 {[%csl Ge2][%cal Rb1c2]} 35. Ba4 Re8 $2 {[%mdl 8192]} (35... Re3 $11 36. Bb3+ Bf7 37. Qxf6 (37. Qg5+ Kf8 $11) 37... Bxb3 38. Qd8+ Kf7 39. Qd7+ Kf8 40. Qf5+ Ke7 41. Qc5+ Kf7 42. Qc7+ Kf8 43. Qc8+ Kg7 44. Qd7+ Kg8 45. Qc8+ Kg7 46. Qd7+ Kf8 47. Qd8+ Re8 48. Qf6+ Kg8 49. Qg5+ Kh8 50. Qf6+ Kg8 51. Qg5+ Kf8 52. Qf5+ Bf7) 36. Bxe8 $2 (36. Bb3+ $18 Kh8 {[#]} 37. Ne5 $1 {[%mdl 512]} Bxc2+ 38. Bxc2 Qxc2+ 39. Kxc2) 36... Nxe8 37. Qg5 Qa2 38. Nf4 Qf7 39. Qe5 Qd7 40. Ne6 (40. Kd2 $11) 40... d3 41. c4 (41. cxd3 $15 Qxd3+ 42. Ke1) 41... Qa4+ $17 42. Ke1 {White wants to play Qc5.} Qxc4 43. Bf4 Qe4+ ({Better is} 43... Qc6 44. Ng5 Nf6 45. Qe6+ Qxe6+ 46. Nxe6 Nxg4) 44. Qxe4 Bxe4 {[%mdl 4096] Endgame KBN-KBN} 45. Nc5 Bf3 46. g5 Ng7 (46... Kf7 {is more complex.} 47. Nxd3 Ke6 48. Kf2 Bc6 49. Ne5 Kf5) 47. Nxd3 Ne6 {...Be4 is the strong threat.} 48. Be3 b6 49. Ne5 Be4 50. Nc4 Bc6 51. b4 Kg7 52. Kf2 Bb5 53. Nd6 Bd7 54. Kg3 Kg6 55. Kh4 Nc7 56. Bd2 Ne6 57. Be3 Nd8 58. Bd2 Nc6 59. Bc3 a5 (59... Be6 $17 60. Ne4 a6) 60. bxa5 $11 {The position is equal.} Nxa5 61. Bxa5 bxa5 62. Nc4 Kg7 {And now ...a4 would win.} 63. Nxa5 h6 64. gxh6+ Kxh6 {Precision: White = 38%, Black = 51%.} 1/2-1/2

[Event "V Magistral Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.24"]
[Round "9.4"]
[White "Lopez Azambuja, Nicolas"]
[Black "Roselli Mailhe, Bernardo"]
[Result "0-1"]
[ECO "E92"]
[WhiteElo "2320"]
[BlackElo "2434"]
[Annotator "TA"]
[PlyCount "96"]
[EventDate "2019.02.17"]
[EventType "tourn"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,96,42,89,34,73,64,110,95,91,86,91,77,78,68,80,71,82,64,100,112,97,95,88,95,91,90,110,109,120,-7,0,-6,40,42,53,29,27,14,10,0,0,0,0,0,2,-33,70,65,98,-26,-46,-37,-22,-128,-118,-115,-112,-152,-141,-177,-151,-192,-175,-299,-281,-306,-202,-226,-146,-146,-146,-146,-146,-429,-431,-409,-427,-415,-326,-672,-694,-670,-650]} 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. Be3 Nbd7 8. O-O a5 9. Re1 {E94: King's Indian: Classical: 6 Be2 e5 7 0-0: Various Black 7th moves} ({White should try} 9. dxe5 $16 Nxe5 10. Nxe5 dxe5 11. Qxd8 Rxd8 12. f3) (9. dxe5 dxe5 10. h3 c6 11. Qc2 Qe7 12. Na4 Nh5 13. c5 Nf4 14. Rad1 f5 15. Bxf4 exf4 16. exf5 Rxf5 17. Bd3 Rh5 {1-0 (32) Zhou,J (2609)-Sasikiran,K (2720) Zaozhuang 2012}) 9... c6 10. d5 c5 $146 ({Predecessor:} 10... Ne8 11. g3 cxd5 12. Nxd5 Nb6 13. Bg5 {½-½ (13) Gorczyca,P-Kwiatkowski,J Poland 1995}) 11. Bg5 {White is better.} h6 12. Bd2 Ne8 13. g3 Ndf6 14. Nh4 Bh3 15. Qc2 Kh7 16. Nd1 a4 17. Nc3 Nc7 18. a3 ({Don't play} 18. Nxa4 $6 Nxe4 19. Qxe4 Rxa4 $11) 18... Bd7 19. b3 axb3 20. Qxb3 Nfe8 21. Reb1 ({Of course not} 21. Qxb7 $6 Rb8 $11) 21... Ra7 22. Nb5 (22. Qb6 $16 Qb8 23. Ng2) 22... Nxb5 $11 23. cxb5 Bf6 24. Ng2 Bg5 25. Bc3 $36 {[%mdl 2048] White has good play.} f5 26. exf5 Bxf5 27. b6 Ra8 28. Rf1 h5 29. a4 Nf6 30. f3 {[#]} Nd7 (30... h4 $1 $15 {[%mdl 512]}) 31. a5 $1 $14 Nb8 32. a6 (32. h4 $16 Bh6 33. f4) 32... Nxa6 $11 33. Bxa6 bxa6 34. Ba5 (34. f4 $1 $11 {remains equal.} exf4 35. Nxf4) 34... Rb8 $17 35. Ne3 Bd7 36. Nc4 ({Don't go for} 36. b7 $2 Qe7 $19) 36... Bb5 37. Kg2 h4 38. Rf2 Qd7 39. Na3 (39. Nd2 {keeps fighting.}) 39... h3+ $19 40. Kh1 Bd8 41. Nc4 Rf6 42. Nd2 Bxb6 43. Ne4 Rf5 {aiming for ...c4.} 44. Qe3 $2 {[%mdl 8192]} (44. Bxb6 $17 Rxb6 45. f4) 44... Bxa5 45. Rxa5 Bc4 {[#] ( -> ...Rb1+)} 46. Ra1 Qe7 47. Rd2 $2 (47. Kg1) 47... Rb3 48. Nc3 Qf7 {Accuracy: White = 30%, Black = 55%.} 0-1

[Event "V Magistral Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.24"]
[Round "9.5"]
[White "Carbone, Diego"]
[Black "Hoffman, Alejandro"]
[Result "1/2-1/2"]
[ECO "D11"]
[WhiteElo "2256"]
[BlackElo "2461"]
[Annotator "TA"]
[PlyCount "33"]
[EventDate "2019.02.17"]
[EventType "tourn"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,18,41,21,33]} 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 Bg4 5. h3 Bxf3 6. Qxf3 e6 7. Nc3 Nbd7 8. Bd3 Bd6 9. O-O O-O {D11: Slav Defence: 3 Nf3 sidelines and 3...Nf6 4 e3 Bg4} {Predecessor:} 10. Rd1 $146 Qe7 11. Qe2 dxc4 12. Bxc4 e5 13. dxe5 Nxe5 14. Bb3 Ng6 15. Bd2 Rfe8 16. Be1 Qe5 17. g3 {½-½ (55) Bocharov,D (2611)-Vitiugov,N (2721) Sochi 2016} 1/2-1/2

