[Event "POR-ch 2020"]
[Site "Portimao"]
[Date "2020.09.07"]
[Round "1.1"]
[White "Fernandes, Antonio"]
[Black "Rocha, Sergio"]
[Result "1/2-1/2"]
[ECO "B11"]
[WhiteElo "2359"]
[BlackElo "2341"]
[Annotator "ChessBase"]
[PlyCount "33"]
[EventDate "2020.09.07"]
[EventType "tourn"]
[EventCountry "POR"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:00:00]} c6 {[%emt 0:00:00]} 2. Nc3 {[%emt 0:04:45]} d5 {[%emt 0:00:34]} 3. Nf3 {[%emt 0:00:09]} Bg4 {[%emt 0:00:17]} 4. h3 {[%emt 0:00:10]} Bxf3 {[%emt 0:00:07]} 5. Qxf3 {[%emt 0:00:02]} e6 {[%emt 0:00:16]} 6. d4 {[%emt 0:11:39]} Qb6 {[%emt 0:05:23]} 7. Bd3 {[%emt 0:12:26]} Nf6 {[%emt 0:01:21]} 8. O-O {[%emt 0:00:49]} Nbd7 {[%emt 0:05:24]} 9. e5 {[%emt 0:12:34]} Ng8 {[%emt 0:00:16]} 10. Ne2 {[%emt 0:00:12]} Ne7 {[%emt 0:01:21]} 11. Be3 {[%emt 0:21:01]} Ng6 {[%emt 0:03:41]} 12. Rfd1 {[%emt 0:15:58]} Be7 {[%emt 0:01:17]} 13. g3 {[%emt 0:00:07]} c5 {[%emt 0:07:28]} 14. c4 {[%emt 0:10:30]} dxc4 {[%emt 0:11:29]} 15. Bxc4 {[%emt 0:00:03]} O-O {[%emt 0:02:55]} 16. Qe4 {[%emt 0:05:37]} cxd4 {[%emt 0:07:14]} 17. Bxd4 {[%emt 0:00:04]} 1/2-1/2

[Event "POR-ch 2020"]
[Site "Portimao"]
[Date "2020.09.07"]
[Round "1.2"]
[White "Santos, Antonio P"]
[Black "Reis, Luis Sousa"]
[Result "0-1"]
[ECO "E10"]
[WhiteElo "2160"]
[BlackElo "2154"]
[Annotator "ChessBase"]
[PlyCount "70"]
[EventDate "2020.09.07"]
[EventType "tourn"]
[EventCountry "POR"]
[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 0:00:17]} 3. Nf3 {[%emt 0:00:06]} c5 {[%emt 0:00:35]} 4. d5 {[%emt 0:00:10]} b5 {[%emt 0:00:38]} 5. Bg5 {[%emt 0:00:12]} exd5 {[%emt 0:01:21]} 6. cxd5 {[%emt 0:00:12]} h6 {[%emt 0:02:25]} 7. Bxf6 {[%emt 0:09:52]} Qxf6 {[%emt 0:00:22]} 8. Qc2 {[%emt 0:00:13]} Be7 {[%emt 0:07:03]} 9. e4 {[%emt 0:00:24]} Qb6 {[%emt 0:01:00]} 10. a4 {[%emt 0:07:11]} b4 {[%emt 0:04:46]} 11. Nbd2 {[%emt 0:00:17]} O-O {[%emt 0:01:59]} 12. Nc4 {[%emt 0:21:05]} Qc7 {[%emt 0:01:35]} 13. Bd3 {[%emt 0:13:03]} d6 {[%emt 0:05:37]} 14. O-O {[%emt 0:05:16]} Nd7 {[%emt 0:07:12]} 15. Rad1 {[%emt 0:07:52]} Ba6 {[%emt 0:04:37]} 16. Ne3 {[%emt 0:02:44]} Bxd3 {[%emt 0:01:13]} 17. Qxd3 {[%emt 0:00:08]} Bf6 {[%emt 0:01:54]} 18. Nc4 {[%emt 0:07:22]} Rfe8 {[%emt 0:01:39]} 19. Rfe1 {[%emt 0:03:59]} Nb6 {[%emt 0:07:54]} 20. Nxb6 {[%emt 0:06:02]} axb6 {[%emt 0:00:39]} 21. b3 {[%emt 0:00:02]} c4 {[%emt 0:06:13]} 22. bxc4 {[%emt 0:05:54]} Bc3 {[%emt 0:01:48]} 23. Re2 {[%emt 0:01:32]} Rxa4 {[%emt 0:06:41]} 24. Nh4 {[%emt 0:01:07]} Ra3 {[%emt 0:03:24]} 25. Nf5 {[%emt 0:03:02]} Be5 {[%emt 0:01:03]} 26. Qd2 {[%emt 0:00:10]} Qxc4 {[%emt 0:03:02]} 27. f4 {[%emt 0:00:12]} Bxf4 {[%emt 0:06:25]} 28. Qxf4 {[%emt 0:00:49]} Qxe2 {[%emt 0:00:24]} 29. Rf1 {[%emt 0:00:10]} Qxe4 {[%emt 0:10:49]} 30. Qxd6 {[%emt 0:00:18]} Qe5 {[%emt 0:01:47]} 31. Qxb4 {[%emt 0:00:18]} Ra1 {[%emt 0:00:27]} 32. Rxa1 {[%emt 0:02:17]} Qxa1+ {[%emt 0:00:13]} 33. Kf2 {[%emt 0:00:04]} Qf6 {[%emt 0:01:24]} 34. Qf4 {[%emt 0:00:21]} Qb2+ {[%emt 0:02:06]} 35. Kg3 {[%emt 0:01:59]} Qb3+ {[%emt 0:01:20]} 0-1

[Event "POR-ch 2020"]
[Site "Portimao"]
[Date "2020.09.07"]
[Round "1.3"]
[White "Fidalgo, Andre Neves"]
[Black "Dias, Paulo"]
[Result "0-1"]
[ECO "E04"]
[WhiteElo "2268"]
[BlackElo "2341"]
[Annotator "ChessBase"]
[PlyCount "152"]
[EventDate "2020.09.07"]
[EventType "tourn"]
[EventCountry "POR"]
[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]} d5 {[%emt 0:00:37]} 4. Nf3 {[%emt 0:00:09]} dxc4 {[%emt 0:00:07]} 5. Bg2 {[%emt 0:00:44]} c5 {[%emt 0:00:25]} 6. O-O {[%emt 0:02:06]} Nc6 {[%emt 0:00:06]} 7. Qa4 {[%emt 0:01:41]} Bd7 {[%emt 0:00:27]} 8. Qxc4 {[%emt 0:03:38]} b5 {[%emt 0:01:00]} 9. Qd3 {[%emt 0:02:59]} c4 {[%emt 0:01:23]} 10. Qd1 {[%emt 0:01:14]} Rc8 {[%emt 0:01:16]} 11. Bg5 {[%emt 0:04:58]} Be7 {[%emt 0:02:54]} 12. Nc3 {[%emt 0:01:52]} b4 {[%emt 0:08:39]} 13. Bxf6 {[%emt 0:03:54]} gxf6 {[%emt 0:02:47]} 14. Ne4 {[%emt 0:03:04]} O-O {[%emt 0:03:13]} 15. Rc1 {[%emt 0:07:54]} Na5 {[%emt 0:07:33]} 16. d5 {[%emt 0:22:53]} exd5 {[%emt 0:26:22]} 17. Qxd5 {[%emt 0:01:16]} f5 {[%emt 0:01:19]} 18. Neg5 {[%emt 0:08:49]} Be6 {[%emt 0:02:59]} 19. Qe5 {[%emt 0:12:22]} Bxg5 {[%emt 0:13:40]} 20. Nxg5 {[%emt 0:00:08]} Qxg5 {[%emt 0:00:16]} 21. Qxa5 {[%emt 0:00:07]} Qd2 {[%emt 0:00:48]} 22. Qe5 {[%emt 0:04:34]} Rfd8 {[%emt 0:03:04]} 23. Bb7 {[%emt 0:03:53]} Rb8 {[%emt 0:00:47]} 24. Ba6 {[%emt 0:02:25]} Qd4 {[%emt 0:04:40]} 25. Qxd4 {[%emt 0:00:34]} Rxd4 {[%emt 0:00:02]} 26. e3 {[%emt 0:00:11]} Rd2 {[%emt 0:02:54]} 27. Bxc4 {[%emt 0:00:08]} Bxc4 {[%emt 0:01:52]} 28. Rxc4 {[%emt 0:00:08]} Rxb2 {[%emt 0:00:09]} 29. Ra1 {[%emt 0:00:08]} Rd8 {[%emt 0:04:25]} 30. Rd4 {[%emt 0:07:37]} Rxd4 {[%emt 0:04:11]} 31. exd4 {[%emt 0:00:07]} Kf8 {[%emt 0:00:32]} 32. Kg2 {[%emt 0:00:42]} Ke7 {[%emt 0:00:57]} 33. Kf3 {[%emt 0:01:59]} Kd6 {[%emt 0:00:05]} 34. Ke3 {[%emt 0:01:08]} Kd5 {[%emt 0:01:01]} 35. h4 {[%emt 0:00:12]} a5 {[%emt 0:01:17]} 36. h5 {[%emt 0:01:51]} h6 {[%emt 0:01:35]} 37. f3 {[%emt 0:01:35]} a4 {[%emt 0:00:35]} 38. Kd3 {[%emt 0:00:17]} Rf2 {[%emt 0:00:39]} 39. Rb1 {[%emt 0:00:35]} Rxf3+ {[%emt 0:01:47]} 40. Ke2 {[%emt 0:00:06]} Rxg3 {[%emt 0:00:18]} 41. Rxb4 {[%emt 0:00:05]} Ra3 {[%emt 0:01:28]} 42. Rb6 {[%emt 0:00:09]} Kxd4 {[%emt 0:01:02]} 43. Rxh6 {[%emt 0:00:08]} Rxa2+ {[%emt 0:01:12]} 44. Kf3 {[%emt 0:00:28]} Ke5 {[%emt 0:00:48]} 45. Ra6 {[%emt 0:00:09]} Rh2 {[%emt 0:00:43]} 46. h6 {[%emt 0:01:38]} Rh3+ {[%emt 0:00:11]} 47. Kg2 {[%emt 0:00:11]} Rh5 {[%emt 0:00:16]} 48. Kg3 {[%emt 0:00:38]} a3 {[%emt 0:00:23]} 49. Rxa3 {[%emt 0:00:41]} Rxh6 {[%emt 0:00:11]} 50. Ra5+ {[%emt 0:00:38]} Kf6 {[%emt 0:00:02]} 51. Kf4 {[%emt 0:00:38]} Rh4+ {[%emt 0:00:06]} 52. Kf3 {[%emt 0:00:03]} Rc4 {[%emt 0:00:14]} 53. Rb5 {[%emt 0:00:37]} Kg5 {[%emt 0:00:48]} 54. Ra5 {[%emt 0:00:21]} Rc3+ {[%emt 0:00:19]} 55. Kf2 {[%emt 0:00:16]} Rb3 {[%emt 0:01:13]} 56. Ra7 {[%emt 0:00:31]} f6 {[%emt 0:00:09]} 57. Ra5 {[%emt 0:00:19]} Kg4 {[%emt 0:00:23]} 58. Ra6 {[%emt 0:00:08]} Rb2+ {[%emt 0:00:22]} 59. Kf1 {[%emt 0:00:36]} Kg5 {[%emt 0:01:25]} 60. Ra5 {[%emt 0:00:16]} Rb6 {[%emt 0:00:21]} 61. Kf2 {[%emt 0:00:17]} Kg4 {[%emt 0:00:16]} 62. Ra4+ {[%emt 0:01:25]} f4 {[%emt 0:00:06]} 63. Ra3 {[%emt 0:01:19]} f5 {[%emt 0:01:06]} 64. Rc3 {[%emt 0:00:24]} Rb2+ {[%emt 0:00:55]} 65. Kf1 {[%emt 0:00:06]} Rh2 {[%emt 0:00:30]} 66. Ra3 {[%emt 0:00:41]} Rh3 {[%emt 0:00:30]} 67. Ra8 {[%emt 0:00:16]} Rb3 {[%emt 0:00:22]} 68. Kf2 {[%emt 0:00:17]} Rb2+ {[%emt 0:00:03]} 69. Kf1 {[%emt 0:00:06]} Kg3 {[%emt 0:00:26]} 70. Rg8+ {[%emt 0:03:08]} Kf3 {[%emt 0:00:07]} 71. Kg1 {[%emt 0:00:08]} Rb1+ {[%emt 0:00:24]} 72. Kh2 {[%emt 0:00:09]} Kf2 {[%emt 0:00:37]} 73. Rg2+ {[%emt 0:00:55]} Ke3 {[%emt 0:00:12]} 74. Rg8 {[%emt 0:00:14]} f3 {[%emt 0:00:27]} 75. Re8+ {[%emt 0:00:05]} Kf4 {[%emt 0:00:39]} 76. Ra8 {[%emt 0:01:28]} f2 {[%emt 0:00:32]} 0-1

[Event "POR-ch 2020"]
[Site "Portimao"]
[Date "2020.09.07"]
[Round "1.4"]
[White "Martins, Bruno Andre Leite"]
[Black "Sousa, Andre Ventura"]
[Result "1-0"]
[ECO "A45"]
[WhiteElo "2248"]
[BlackElo "2378"]
[Annotator "TA"]
[PlyCount "93"]
[EventDate "2020.09.07"]
[EventType "tourn"]
[EventCountry "POR"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,92,-11,16,20,18,15,50,46,49,7,5,23,109,101,158,140,216,219,328,319,364,366,377,347,368,303,300,309,320,314,305,309,410,386,406,410,403,389,387,371,406,384,476,477,458,467,467,466,457,433,439,431,430,425,561,550,642,659,691,664,831,844,1060,1023,1269,1222,1456,1409,1351,1267,1420,1403,1711,1689,1671,1663,1523,1595,29987,29988,29988,29979,29994,29995,29999]} 1. d4 Nf6 2. Bf4 g6 3. Nc3 d5 4. e3 Bg7 5. h4 a6 6. Be2 {A45: Trompowsky Attack.} h6 7. Nf3 c5 8. Ne5 {White is slightly better.} Be6 9. Bf3 {[#]} cxd4 $146 ({Predecessor:} 9... Qa5 10. Qd2 Nc6 11. O-O-O O-O 12. Kb1 Qd8 13. dxc5 h5 14. Nxc6 bxc6 15. e4 Qc8 16. exd5 cxd5 {0-1 (41) Alexakis,G (2160)-Giannoulakis,L (2306) Kavala 2019}) 10. exd4 b5 (10... h5 $11) 11. Qe2 {White stays focused until the end.} Qc8 (11... Qb6 $142) 12. O-O-O $16 h5 {[#]} (12... Nc6 $16) 13. Rhe1 $1 $18 b4 (13... O-O $142 14. Nxg6 {[%mdl 64] Double Attack} Re8) 14. Na4 {Hoping for Nb6.} Ne4 15. Nb6 Qb7 16. Nxa8 ({Resist} 16. Bxe4 dxe4 17. Nxa8 Qxa8 $18) 16... Qxa8 17. Bxe4 dxe4 18. d5 Bxd5 19. Qd2 e6 20. Qxb4 Bxe5 21. Bxe5 Nc6 22. Qd6 Nxe5 23. Qxe5 O-O 24. b3 Rc8 25. Kb2 a5 26. c4 Bc6 27. Rd4 Qa7 28. Red1 {[#] Rd8+ would kill now.} Qe7 29. Qg5 Qxg5 30. hxg5 {[%mdl 4096] Endgame KRR-KRB} Kg7 31. a3 {[%cal Ba2a3,Ba3b4,Bb4b5][%mdl 32]} h4 32. b4 axb4 33. axb4 e5 34. R4d2 Bb7 {and the idea ...e3 leaves Black hopeful.} 35. Kb3 h3 36. gxh3 Rh8 37. b5 Rxh3+ 38. Kb4 e3 39. fxe3 Rxe3 40. c5 Re4+ 41. Ka5 Rc4 42. Kb6 Bf3 43. Re1 f6 44. Rd7+ {White mates.} Kf8 45. c6 Ke8 46. Ra1 {[%cal Ra1a8]} fxg5 47. Ra8# {Accuracy: White = 96%, Black = 44%.} 1-0

[Event "POR-ch 2020"]
[Site "Portimao"]
[Date "2020.09.07"]
[Round "1.5"]
[White "Diogo, Vasco"]
[Black "Veiga, Jose Francisco R P N"]
[Result "0-1"]
[ECO "C44"]
[WhiteElo "2207"]
[BlackElo "2344"]
[Annotator "ChessBase"]
[PlyCount "66"]
[EventDate "2020.09.07"]
[EventType "tourn"]
[EventCountry "POR"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:00:00]} e5 {[%emt 0:00:00]} 2. Nf3 {[%emt 0:00:00]} Nc6 {[%emt 0:00:00]} 3. c3 {[%emt 0:01:11]} Nf6 {[%emt 0:10:50]} 4. d4 {[%emt 0:03:42]} exd4 {[%emt 0:10:19]} 5. e5 {[%emt 0:03:33]} Nd5 {[%emt 0:03:51]} 6. Bb5 {[%emt 0:03:21]} Be7 {[%emt 0:10:09]} 7. Nxd4 {[%emt 0:05:11]} Nxd4 {[%emt 0:06:41]} 8. Qxd4 {[%emt 0:01:36]} Nb6 {[%emt 0:07:20]} 9. Bf4 {[%emt 0:04:14]} O-O {[%emt 0:06:12]} 10. Nd2 {[%emt 0:07:08]} f6 {[%emt 0:11:18]} 11. Bc4+ {[%emt 0:10:07]} Kh8 {[%emt 0:02:51]} 12. Bd3 {[%emt 0:05:23]} c5 {[%emt 0:06:13]} 13. Qe3 {[%emt 0:07:42]} f5 {[%emt 0:03:32]} 14. Bg3 {[%emt 0:09:15]} d5 {[%emt 0:03:46]} 15. exd6 {[%emt 0:04:00]} Bxd6 {[%emt 0:02:28]} 16. Bxd6 {[%emt 0:01:16]} Qxd6 {[%emt 0:00:49]} 17. O-O-O {[%emt 0:01:26]} Be6 {[%emt 0:02:11]} 18. Bb1 {[%emt 0:06:48]} Qc6 {[%emt 0:02:38]} 19. Rhe1 {[%emt 0:01:32]} Rae8 {[%emt 0:00:49]} 20. Qh3 {[%emt 0:01:19]} Qa4 {[%emt 0:00:54]} 21. Re5 {[%emt 0:11:07]} Bxa2 {[%emt 0:02:40]} 22. Bxf5 {[%emt 0:01:38]} Bg8 {[%emt 0:00:33]} 23. Rxe8 {[%emt 0:04:00]} Rxe8 {[%emt 0:00:12]} 24. Qg4 {[%emt 0:00:30]} Qa1+ {[%emt 0:01:06]} 25. Kc2 {[%emt 0:00:26]} Qa2 {[%emt 0:00:03]} 26. Qf3 {[%emt 0:01:59]} Rf8 {[%emt 0:01:50]} 27. Qe4 {[%emt 0:02:28]} h6 {[%emt 0:01:20]} 28. g4 {[%emt 0:00:10]} Nc4 {[%emt 0:00:25]} 29. Nxc4 {[%emt 0:00:34]} Bxc4 {[%emt 0:00:02]} 30. Qxb7 {[%emt 0:00:43]} Qa4+ {[%emt 0:01:09]} 31. Kc1 {[%emt 0:00:13]} Bb3 {[%emt 0:00:38]} 32. Qe7 {[%emt 0:00:49]} Rxf5 {[%emt 0:01:16]} 33. Rd8+ {[%emt 0:00:34]} Kh7 {[%emt 0:00:05]} 0-1

[Event "POR-ch 2020"]
[Site "Portimao"]
[Date "2020.09.08"]
[Round "2.1"]
[White "Rocha, Sergio"]
[Black "Veiga, Jose Francisco R P N"]
[Result "1-0"]
[ECO "A48"]
[WhiteElo "2341"]
[BlackElo "2344"]
[Annotator "ChessBase"]
[PlyCount "69"]
[EventDate "2020.09.07"]
[EventType "tourn"]
[EventCountry "POR"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. Nf3 {[%emt 0:00:00]} Nf6 {[%emt 0:03:48]} 2. d4 {[%emt 0:00:00]} g6 {[%emt 0:00:07]} 3. e3 {[%emt 0:00:00]} Bg7 {[%emt 0:00:06]} 4. Bd3 {[%emt 0:00:01]} O-O {[%emt 0:00:12]} 5. b3 {[%emt 0:00:41]} d6 {[%emt 0:00:43]} 6. Bb2 {[%emt 0:00:08]} Nbd7 {[%emt 0:00:44]} 7. Nbd2 {[%emt 0:01:19]} e5 {[%emt 0:02:03]} 8. c4 {[%emt 0:02:55]} Re8 {[%emt 0:11:04]} 9. Bc2 {[%emt 0:03:33]} c6 {[%emt 0:02:15]} 10. Qb1 {[%emt 0:02:22]} Qe7 {[%emt 0:03:08]} 11. b4 {[%emt 0:07:21]} e4 {[%emt 0:10:19]} 12. Ng1 {[%emt 0:01:49]} d5 {[%emt 0:00:58]} 13. b5 {[%emt 0:01:59]} dxc4 {[%emt 0:07:59]} 14. bxc6 {[%emt 0:04:10]} bxc6 {[%emt 0:00:18]} 15. Ne2 {[%emt 0:00:32]} Nd5 {[%emt 0:13:43]} 16. O-O {[%emt 0:02:14]} Ba6 {[%emt 0:05:45]} 17. Re1 {[%emt 0:20:43]} f5 {[%emt 0:07:18]} 18. Qc1 {[%emt 0:00:57]} Qb4 {[%emt 0:11:38]} 19. a4 {[%emt 0:06:47]} Rab8 {[%emt 0:03:24]} 20. Ba3 {[%emt 0:02:34]} Qa5 {[%emt 0:00:06]} 21. Bd6 {[%emt 0:06:02]} Rb7 {[%emt 0:01:00]} 22. g4 {[%emt 0:01:04]} c5 {[%emt 0:03:07]} 23. gxf5 {[%emt 0:00:33]} gxf5 {[%emt 0:00:26]} 24. Ng3 {[%emt 0:00:17]} cxd4 {[%emt 0:01:19]} 25. exd4 {[%emt 0:02:56]} N5f6 {[%emt 0:01:34]} 26. Ndf1 {[%emt 0:03:26]} Qd5 {[%emt 0:04:59]} 27. Qf4 {[%emt 0:00:39]} Nf8 {[%emt 0:01:15]} 28. Ne3 {[%emt 0:01:40]} Qe6 {[%emt 0:01:01]} 29. Nexf5 {[%emt 0:01:59]} Ng6 {[%emt 0:00:08]} 30. Qg5 {[%emt 0:01:26]} Rb2 31. Bxe4 {[%emt 0:03:48]} c3 {[%emt 0:03:55]} 32. Nxg7 {[%emt 0:05:49]} Kxg7 {[%emt 0:00:51]} 33. Be5 {[%emt 0:00:21]} Kf7 {[%emt 0:00:40]} 34. Bxf6 {[%emt 0:03:08]} Qxf6 {[%emt 0:00:36]} 35. Bd5+ {[%emt 0:00:10]} 1-0

[Event "POR-ch 2020"]
[Site "Portimao"]
[Date "2020.09.08"]
[Round "2.2"]
[White "Sousa, Andre Ventura"]
[Black "Diogo, Vasco"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "2378"]
[BlackElo "2207"]
[Annotator "TA"]
[PlyCount "95"]
[EventDate "2020.09.07"]
[EventType "tourn"]
[EventCountry "POR"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,95,61,63,66,54,47,39,59,67,84,85,138,77,93,84,112,60,65,50,71,71,170,16,20,9,9,7,177,171,166,119,128,131,116,122,141,113,83,0,0,0,343,348,351,324,326,318,330,189,498,456,839,833,775,750,716,279,283,165,272,28,130,137,166,154,469,466,446,110,171,146,162,158,209,212,210,209,452,452,6116,6103,6075,5241,5114,5081]} 1. e4 d5 2. exd5 Nf6 3. d4 Bg4 4. Bb5+ Nbd7 5. f3 Bf5 6. Nc3 a6 7. Ba4 b5 {B01: Scandinavian Defence.} 8. Bb3 Nb6 $1 {[%cal Rb6d5]} 9. Nge2 b4 {White is slightly better.} 10. Ne4 Nxe4 11. fxe4 Bxe4 {[#]} 12. Nf4 $146 (12. c4 $142 $1) ({Predecessor:} 12. c4 bxc3 13. Nxc3 Bxg2 14. Rg1 Bh3 15. Qf3 Qd7 16. d6 Qf5 17. Ba4+ Kd8 18. dxc7+ {1-0 (28) Nikolova,A (2303)-Bukhteeva,V (2165) Vratsa 2014}) 12... a5 {White should prevent ...a4.} 13. Qe2 Bf5 14. c4 (14. a4 $16) 14... bxc3 $14 15. bxc3 {aiming for Ne6!} a4 16. Bd1 $1 Qd7 (16... g6 $16) 17. Qf3 $2 ({White should try} 17. g4 $18 Bg6 18. Qf3) 17... g5 $11 18. Nh5 $36 {[%mdl 2048] 0-0 is the strong threat. Black is under pressure.} Qxd5 19. O-O Bg6 $2 (19... Qxf3 $1 $11 {and Black has nothing to worry.} 20. Bxf3 Ra5) 20. Qg3 $1 $18 {[%cal Rg3c7]} O-O-O 21. Bf3 ({Inferior is} 21. Qxg5 Qxg5 22. Bxg5 Rd5 $17) 21... Qb5 22. Bxg5 Rg8 23. Bf4 Nd5 24. c4 Qxc4 25. Rac1 (25. Kh1 $16 Bxh5 26. Qh3+ {[%mdl 64] Double Attack} (26. Qxg8 Bxf3 27. Qxf7 Be2 $16) 26... e6 27. Bxh5 Qxd4 28. Bg3 Rxg3 29. Qxg3) 25... Qxd4+ $11 26. Kh1 Nxf4 $4 {[%mdl 8192]} (26... Bxh5 $1 $11 27. Bxd5 Rxg3 28. Rxc7+ Kb8 29. Rb7+ Ka8 30. Rb8+ Ka7 31. Rxd8 Rd3 32. Ra8+ Kb6 33. Rb1+ Rb3 $1 {[%mdl 512]} 34. axb3 a3 35. Rb8+ Ka6 36. Ra8+ (36. Rxf8 Qxd5 37. Ra1 Bf3 $17) 36... Kb6 37. Rb8+ Ka7 38. Ra8+ Kb6) 27. Nxf4 $18 {Black must now prevent Ne6!} e5 28. Qh3+ Qd7 29. Bg4 $1 {[%cal Rg4d7]} f5 30. Qf3 (30. Be2 $142 Bb4 31. Ba6+ Kb8 32. Nd3) 30... e4 $2 (30... Qb5) 31. Qe2 {Threatening mate with Qa6+.} Re8 (31... Qd6 $142 32. Rfd1 Qb6) 32. Qa6+ Kd8 33. Be2 Bd6 34. Bb5 $2 (34. Rfd1 Re5 35. Qa8+ Ke7 36. Qxg8) 34... Qc8 {And now ...Qxa6 would win.} 35. Qxa4 (35. Qa5 $142 Bxf4 36. Rxf4) 35... Re5 (35... Ke7 $142 36. Nd5+ (36. Bxe8 Qxe8 37. Qb3 Kf6 $16) 36... Kf7) 36. Bc4 $2 ({White must play} 36. Rfd1 $1 $18 {[%cal Rd1d6]} Qb8 37. Bc4) 36... Rf8 (36... Rg7 $11) 37. Rfd1 $16 {Hoping for Qa7.} Qd7 38. Qb3 Bf7 $2 (38... Ke7 $16 {is more resistant.}) 39. Bxf7 $18 Rxf7 {[#]} 40. Nd5 $2 (40. Rxd6 $1 $18 {[%mdl 512] has better winning chances.} cxd6 41. Qb8+ Ke7 42. Rc7) 40... Rxd5 (40... Qe6 $16 {might work better.}) 41. Qxd5 Ke7 42. Qd4 Qe6 {[#]} (42... h5 $16 43. a4 h4) 43. a4 $1 {[%cal Ba2a4,Ba4a5][%mdl 32]} Qh6 {[%csl Gd6][%cal Rh6h2] [#]} 44. g3 $1 {[%mdl 512]} Rg7 $2 (44... Qf6 45. Qd5 Qe5 46. Qxe5+ Bxe5) (44... Bxg3 45. Qd8+) 45. a5 {White is clearly winning.} Rxg3 {[#]} (45... Qf6 $142 46. Qa7 Qe6) 46. Rxc7+ $1 {[%mdl 576] Decoy} Bxc7 47. Qd7+ {[%mdl 64] Double Attack} Kf6 {[#]} 48. Rd6+ $1 {[%mdl 576] Skewer. Accuracy: White = 54%, Black = 43%.} 1-0

[Event "POR-ch 2020"]
[Site "Portimao"]
[Date "2020.09.08"]
[Round "2.3"]
[White "Dias, Paulo"]
[Black "Martins, Bruno Andre Leite"]
[Result "1/2-1/2"]
[ECO "A81"]
[WhiteElo "2341"]
[BlackElo "2248"]
[Annotator "ChessBase"]
[PlyCount "65"]
[EventDate "2020.09.07"]
[EventType "tourn"]
[EventCountry "POR"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 {[%emt 0:02:56]} f5 {[%emt 0:00:32]} 2. g3 {[%emt 0:02:50]} Nf6 {[%emt 0:00:13]} 3. Bg2 {[%emt 0:00:08]} d6 {[%emt 0:00:21]} 4. c3 {[%emt 0:04:28]} g6 {[%emt 0:01:24]} 5. Nd2 {[%emt 0:02:15]} Bg7 {[%emt 0:06:15]} 6. e4 {[%emt 0:01:16]} fxe4 {[%emt 0:03:06]} 7. Nxe4 {[%emt 0:00:45]} Nxe4 {[%emt 0:00:37]} 8. Bxe4 {[%emt 0:00:07]} c6 {[%emt 0:02:06]} 9. h4 {[%emt 0:03:29]} O-O {[%emt 0:08:14]} 10. h5 {[%emt 0:05:06]} d5 {[%emt 0:04:11]} 11. Bd3 {[%emt 0:11:35]} Bf5 {[%emt 0:13:01]} 12. hxg6 {[%emt 0:05:10]} hxg6 {[%emt 0:00:35]} 13. Bxf5 {[%emt 0:05:06]} Rxf5 {[%emt 0:03:04]} 14. Qg4 {[%emt 0:02:49]} Qd6 {[%emt 0:06:40]} 15. Bf4 {[%emt 0:05:51]} Qe6+ {[%emt 0:06:24]} 16. Kf1 {[%emt 0:00:27]} Nd7 {[%emt 0:05:08]} 17. Nf3 {[%emt 0:01:42]} Nf8 {[%emt 0:07:51]} 18. Re1 {[%emt 0:02:14]} Qf7 {[%emt 0:04:14]} 19. Kg2 {[%emt 0:07:50]} Ne6 {[%emt 0:02:11]} 20. Bh6 {[%emt 0:10:01]} Rf8 {[%emt 0:04:04]} 21. Re3 {[%emt 0:01:36]} c5 {[%emt 0:08:03]} 22. Bxg7 {[%emt 0:01:11]} Nxg7 {[%emt 0:02:32]} 23. Rh6 {[%emt 0:05:27]} cxd4 {[%emt 0:00:53]} 24. cxd4 {[%emt 0:01:14]} Rf6 {[%emt 0:01:27]} 25. Qh4 {[%emt 0:06:12]} Nh5 {[%emt 0:01:23]} 26. Qg5 {[%emt 0:01:20]} Ng7 {[%emt 0:01:23]} 27. Qh4 {[%emt 0:03:14]} Nh5 {[%emt 0:00:12]} 28. Qg4 {[%emt 0:05:33]} Ng7 {[%emt 0:02:44]} 29. Qh4 {[%emt 0:01:36]} Nh5 {[%emt 0:00:12]} 30. Qg5 {[%emt 0:00:56]} Ng7 {[%emt 0:00:16]} 31. Ne5 Rxf2+ 32. Kh3 Qf5+ 33. Qxf5 1/2-1/2

[Event "POR-ch 2020"]
[Site "Portimao"]
[Date "2020.09.08"]
[Round "2.4"]
[White "Reis, Luis Sousa"]
[Black "Fidalgo, Andre Neves"]
[Result "0-1"]
[ECO "B31"]
[WhiteElo "2154"]
[BlackElo "2268"]
[Annotator "ChessBase"]
[PlyCount "104"]
[EventDate "2020.09.07"]
[EventType "tourn"]
[EventCountry "POR"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. Nf3 {[%emt 0:00:13]} c5 {[%emt 0:00:00]} 2. e4 {[%emt 0:02:37]} Nc6 {[%emt 0:00:00]} 3. Bb5 {[%emt 0:01:44]} g6 {[%emt 0:00:11]} 4. O-O {[%emt 0:02:31]} Bg7 {[%emt 0:00:16]} 5. Bxc6 {[%emt 0:02:19]} bxc6 {[%emt 0:00:40]} 6. d3 {[%emt 0:04:28]} Nh6 {[%emt 0:02:21]} 7. Nc3 {[%emt 0:05:03]} O-O {[%emt 0:01:43]} 8. Be3 {[%emt 0:02:38]} d6 {[%emt 0:04:38]} 9. h3 {[%emt 0:10:59]} f5 {[%emt 0:00:39]} 10. Qd2 {[%emt 0:01:11]} Nf7 {[%emt 0:00:51]} 11. Ng5 {[%emt 0:17:27]} Nxg5 {[%emt 0:21:55]} 12. Bxg5 {[%emt 0:00:15]} Rb8 {[%emt 0:00:09]} 13. Rab1 {[%emt 0:02:44]} Rf7 {[%emt 0:04:12]} 14. Rfe1 {[%emt 0:08:33]} Qf8 {[%emt 0:02:40]} 15. exf5 {[%emt 0:00:18]} Bxf5 {[%emt 0:06:10]} 16. Ne4 {[%emt 0:08:07]} e5 {[%emt 0:13:41]} 17. Be3 {[%emt 0:03:42]} Rfb7 {[%emt 0:01:47]} 18. c4 {[%emt 0:02:03]} Rb4 {[%emt 0:04:54]} 19. b3 {[%emt 0:01:40]} a5 {[%emt 0:05:56]} 20. Qc2 {[%emt 0:06:39]} Qd8 {[%emt 0:04:16]} 21. Bg5 {[%emt 0:03:17]} Qc7 {[%emt 0:00:11]} 22. Bd2 {[%emt 0:01:34]} R4b7 {[%emt 0:00:08]} 23. Nc3 {[%emt 0:01:30]} Qf7 {[%emt 0:00:42]} 24. Ne4 {[%emt 0:00:32]} Qc7 {[%emt 0:02:41]} 25. Nc3 {[%emt 0:00:09]} Qd8 {[%emt 0:00:52]} 26. Ne4 {[%emt 0:00:53]} Bf8 {[%emt 0:00:34]} 27. Bg5 {[%emt 0:01:36]} Qc7 {[%emt 0:00:34]} 28. Nc3 {[%emt 0:01:04]} Qf7 {[%emt 0:01:25]} 29. Na4 {[%emt 0:00:33]} Ra8 {[%emt 0:02:37]} 30. Rbd1 {[%emt 0:00:24]} h6 {[%emt 0:00:29]} 31. Be3 {[%emt 0:00:52]} g5 {[%emt 0:00:12]} 32. Qe2 {[%emt 0:00:18]} Qg6 {[%emt 0:01:30]} 33. f3 {[%emt 0:01:07]} Rf7 {[%emt 0:01:52]} 34. Bc1 {[%emt 0:01:01]} Be7 {[%emt 0:01:10]} 35. Nc3 {[%emt 0:01:07]} Raf8 {[%emt 0:00:23]} 36. Ne4 {[%emt 0:00:13]} Be6 {[%emt 0:01:01]} 37. Bd2 {[%emt 0:00:56]} h5 {[%emt 0:03:13]} 38. Nf2 {[%emt 0:03:10]} g4 {[%emt 0:02:44]} 39. hxg4 {[%emt 0:00:26]} hxg4 {[%emt 0:00:06]} 40. Nxg4 {[%emt 0:00:10]} Bxg4 {[%emt 0:00:36]} 41. fxg4 {[%emt 0:00:05]} Bh4 {[%emt 0:00:21]} 42. g3 {[%emt 0:01:46]} Bxg3 {[%emt 0:00:09]} 43. Qe4 {[%emt 0:01:18]} Qg7 {[%emt 0:00:07]} 44. Rf1 {[%emt 0:00:42]} Bf2+ {[%emt 0:02:49]} 45. Kg2 {[%emt 0:00:48]} d5 {[%emt 0:03:43]} 46. Qe2 {[%emt 0:00:15]} Qg6 {[%emt 0:01:15]} 47. Be1 {[%emt 0:01:43]} Rf4 {[%emt 0:01:18]} 48. Bxf2 {[%emt 0:00:42]} Rxg4+ {[%emt 0:00:08]} 49. Qxg4 {[%emt 0:00:06]} Qxg4+ {[%emt 0:00:06]} 50. Bg3 {[%emt 0:00:57]} Qe2+ {[%emt 0:00:09]} 51. Kg1 {[%emt 0:00:15]} Rf3 {[%emt 0:00:56]} 52. Bf2 {[%emt 0:00:43]} Rxf2 {[%emt 0:00:21]} 0-1

[Event "POR-ch 2020"]
[Site "Portimao"]
[Date "2020.09.08"]
[Round "2.5"]
[White "Fernandes, Antonio"]
[Black "Santos, Antonio P"]
[Result "1-0"]
[ECO "B30"]
[WhiteElo "2359"]
[BlackElo "2160"]
[Annotator "TA"]
[PlyCount "75"]
[EventDate "2020.09.07"]
[EventType "tourn"]
[EventCountry "POR"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,75,-4,20,19,20,0,29,15,30,35,101,64,70,77,68,29,78,85,73,58,62,60,94,81,91,91,79,87,89,82,87,88,94,109,108,100,107,119,145,140,149,136,296,286,289,287,287,276,319,314,316,314,343,351,618,607,677,696,614,589,1112,1078,3370,3166,2851,878,2543,2384]} 1. e4 c5 2. Nf3 Nc6 3. Bb5 e6 4. O-O Nge7 5. c4 a6 6. Ba4 {B30: Sicilian: 2...Nc6 3 Bb5, lines without ...g6.} Ng6 7. Nc3 Be7 8. d4 {White has an edge.} cxd4 9. Nxd4 {[#]} Qb6 $146 (9... Qc7 $14) ({Predecessor:} 9... O-O 10. Be3 Nce5 11. Bb3 d6 12. f4 Nc6 13. Nxc6 bxc6 14. Qh5 f5 15. Rad1 fxe4 16. Nxe4 {½-½ (41) Vezzosi,P (2280)-Nemet,I (2410) Forli 1993}) 10. Nb3 O-O 11. Be3 Qc7 12. Qe2 Na5 13. Nxa5 Qxa5 14. a3 Bf6 15. b4 Qe5 16. Rac1 b5 17. Bb3 bxc4 18. Bxc4 Bb7 {With the idea ...d5.} 19. f4 Qb8 20. e5 Be7 {[#]} 21. Na4 $1 {[%cal Bc3a4,Ba4b6,Bb6c8][%mdl 32]} Nh4 22. Rf2 Nf5 23. Nb6 Nxe3 24. Qxe3 Qa7 {Hoping for ...Bd8.} 25. Rc3 $36 {[%mdl 2048] White is on the roll.} Rad8 $2 {[#] A mistake that costs the game.} (25... Rae8 $16 {might work better.}) 26. Nc8 $1 {[%mdl 512]} Qxe3 (26... Bxc8 27. Qxa7) 27. Nxe7+ Kh8 28. Rxe3 {And now f5 would win.} Rfe8 29. Rd2 Rxe7 30. Rd6 Ra8 31. Rb6 Bc8 $2 (31... Bd5) 32. Rc3 $18 {White is clearly winning.} d5 33. exd6 Re8 34. Be2 Kg8 35. Bf3 Ra7 36. Rb8 Bd7 37. Rxe8+ {[%mdl 64] Overworked Piece} Bxe8 {[#]} 38. Rc8 $1 {Accuracy: White = 96%, Black = 44%.} 1-0

[Event "POR-ch 2020"]
[Site "Portimao"]
[Date "2020.09.09"]
[Round "3.1"]
[White "Santos, Antonio P"]
[Black "Rocha, Sergio"]
[Result "0-1"]
[ECO "E11"]
[WhiteElo "2160"]
[BlackElo "2341"]
[Annotator "TA"]
[PlyCount "50"]
[EventDate "2020.09.07"]
[EventType "tourn"]
[EventCountry "POR"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,50,44,37,28,37,2,8,6,8,2,28,18,22,6,11,4,33,22,43,41,41,42,38,15,47,35,29,0,0,-22,-18,-120,-122,-254,-244,-357,-363,-362,-345,-353,-355,-340,-345]} 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 Qe7 5. e3 O-O 6. Be2 {E11: Bogo-Indian.} d6 {[#]} 7. Qb3 $146 ({Predecessor:} 7. O-O Bxd2 8. Nxd2 e5 9. d5 e4 10. Nb3 Nbd7 11. f4 exf3 12. gxf3 Ne5 13. Nd4 Bh3 14. Rf2 {1-0 (45) Ragnarsson,D (2249)-Jonsson,G (2100) Reykjavik 2018}) 7... a5 8. O-O {The position is equal.} Bxd2 9. Bxd2 Ne4 10. Qc2 f5 11. Bd3 Nxd2 12. Nxd2 e5 13. c5 Nc6 14. cxd6 cxd6 15. dxe5 dxe5 16. Bb5 Bd7 17. Nb3 Rfc8 18. Qc4+ Be6 19. Qc5 {[#]} b6 $1 $36 {[%mdl 2560] Black is pushing.} 20. Qxb6 (20. Qxe7 $11 Nxe7 21. Nd2) 20... Rab8 $17 21. Qc5 {White does not recover from this.} ({Wrong is} 21. Qa6 $2 Nb4 $19) (21. Qxc6 $17 Rxc6 22. Bxc6) 21... Bxb3 $1 $19 22. Qxe7 (22. Rfc1 $142 Qxc5 23. Rxc5) 22... Nxe7 23. Bd7 Rc7 24. axb3 {[#] And now Be6+ would win.} Rxd7 25. Rxa5 e4 {Accuracy: White = 59%, Black = 81%.} 0-1

[Event "POR-ch 2020"]
[Site "Portimao"]
[Date "2020.09.09"]
[Round "3.2"]
[White "Fidalgo, Andre Neves"]
[Black "Fernandes, Antonio"]
[Result "1/2-1/2"]
[ECO "E10"]
[WhiteElo "2268"]
[BlackElo "2359"]
[Annotator "TA"]
[PlyCount "54"]
[EventDate "2020.09.07"]
[EventType "tourn"]
[EventCountry "POR"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,54,8,43,52,61,6,7,-52,-56,-24,-29,-24,-20,-40,8,0,30,25,31,0,0,-8,0,0,0,0,0,0,0,0,0,0,0,0,0,0,6,0,29,17,90]} 1. d4 Nf6 2. c4 e6 3. Nf3 Be7 4. g3 O-O 5. Bg2 d5 6. O-O dxc4 7. Qc2 a6 8. a4 $1 {8.a4 is better than 8.Qxc4.} b6 9. Ne5 $1 {E05: Open Catalan: 5 Nf3 Be7.} Nd5 {[#]} 10. e4 $146 ({White should try} 10. Qxc4 $14 a5 11. Nc3) ({Predecessor:} 10. Nc3 Bb7 11. Nxd5 Bxd5 12. e4 Bb7 13. Rd1 Qc8 14. d5 exd5 15. exd5 a5 16. Be4 h6 {1-0 (24) Kuzmin,Y (2219)-Slavic,N (1912) Senta 2019}) 10... Nb4 $11 11. Qc3 (11. Qxc4 $11 a5 12. Rd1) 11... c5 $15 12. dxc5 Bxc5 13. Nxc4 Ra7 14. Be3 Bxe3 15. Nxe3 ({Wrong is} 15. Qxe3 $2 Nc2 $19) 15... Qe7 16. Na3 Rc7 17. Qb3 N8c6 18. Rac1 Rd7 19. Nac2 a5 (19... Rd3 $5 20. Qc4 $8 a5 $11) 20. Nxb4 Nxb4 21. Rfd1 Ba6 22. Nc4 Rxd1+ 23. Rxd1 Qc5 24. Bf1 h6 25. Qe3 Qxe3 26. Nxe3 Bxf1 27. Kxf1 b5 {Accuracy: White = 81%, Black = 80%.} (27... g5 $11 {remains equal.}) 1/2-1/2

[Event "POR-ch 2020"]
[Site "Portimao"]
[Date "2020.09.09"]
[Round "3.3"]
[White "Martins, Bruno Andre Leite"]
[Black "Reis, Luis Sousa"]
[Result "1-0"]
[ECO "B90"]
[WhiteElo "2248"]
[BlackElo "2154"]
[Annotator "TA"]
[PlyCount "73"]
[EventDate "2020.09.07"]
[EventType "tourn"]
[EventCountry "POR"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,73,8,14,9,7,11,13,4,13,10,8,0,0,13,12,10,2,-26,-20,-20,-16,-5,-2,-38,-46,-45,-28,-38,-9,-12,-14,-22,-21,-17,8,12,38,22,14,14,64,64,81,9,9,9,7,8,45,8,9,14,58,43,39,38,320,274,441,434,427,419,1338,1205]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bd3 e5 7. Nf5 {B90: Sicilian Najdorf: Unusual White 6th moves, 6 Be3 Ng4 and 6 Be3 e5.} Bxf5 8. exf5 d5 9. Bg5 {The position is equal.} Bb4 10. O-O Bxc3 11. bxc3 Nbd7 12. c4 dxc4 (12... h6 $5 {[%cal Rh6g5]} 13. Bxf6 Nxf6 $11) 13. Bxc4 {[#]} O-O $146 ({Predecessor:} 13... Qc7 14. Qe2 O-O 15. Bb3 h6 16. Bh4 Qc5 17. Rad1 Rac8 18. Kh1 Rc6 19. f3 b5 {0-1 (58) Novotny,M-Huliak,P Slovakia 2002}) 14. Bd5 (14. Bb3 {looks sharper.} h6 15. Bc1 Qc7 16. Qf3 Nc5 17. Bb2) 14... Qc7 15. c4 Nxd5 16. cxd5 Qd6 17. Qf3 Rfc8 18. Rab1 $1 b5 19. Rbc1 Rc4 20. Rxc4 bxc4 21. Bc1 Nf6 22. Rd1 e4 23. Qc3 Ng4 24. g3 Rc8 25. h3 Ne5 (25... Nf6 {keeps more tension.} 26. g4 h5 27. g5 Nd7 28. Bb2 f6) 26. Bf4 f6 27. Bxe5 (27. Qe3 $16) 27... Qxe5 $11 28. Qxe5 fxe5 $16 {[%mdl 4096] Endgame KR-KR} 29. d6 c3 30. Kf1 Kf7 31. d7 c2 {[#]} 32. Rc1 $1 {[%mdl 512]} Rd8 33. Rxc2 {aiming for Rd2.} Kf6 $2 {[%mdl 8192] Loses the game.} (33... Rxd7 $14 34. Rc6 a5) 34. Rc6+ Kxf5 $2 {[#]} (34... Ke7 35. Re6+ (35. Rxa6 Rxd7 36. a4 Rd2 $18) 35... Kf7 36. Rxe5 (36. Rxa6 Rxd7 37. a4 Rd1+ 38. Ke2 Ra1 $18) 36... Rxd7 37. Rxe4 Rd5) 35. Rd6 $1 $18 e3 36. f3 h5 (36... e4 $142 37. f4 g5 38. fxg5 Kxg5) 37. h4 {Accuracy: White = 79%, Black = 67%.} 1-0

[Event "POR-ch 2020"]
[Site "Portimao"]
[Date "2020.09.09"]
[Round "3.4"]
[White "Diogo, Vasco"]
[Black "Dias, Paulo"]
[Result "1/2-1/2"]
[ECO "B12"]
[WhiteElo "2207"]
[BlackElo "2341"]
[Annotator "TA"]
[PlyCount "53"]
[EventDate "2020.09.07"]
[EventType "tourn"]
[EventCountry "POR"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,53,-42,-52,-66,-67,-53,-38,-47,-35,-55,-12,-31,-7,-7,0,-11,25,-42,33,-61,13,-48,37,36,89,77,118,-32,13,15,84,93,77,74,82,86,135,0,0,0,0,0,0,0,0,0]} 1. e4 c6 2. d4 d5 3. c4 dxe4 4. Nc3 Nf6 5. Be3 Bf5 {[#]} 6. h3 $146 {B12: Caro-Kann: Advance Variation.} ({Predecessor:} 6. Be2 e6 7. Rc1 Be7 8. Nh3 h6 9. g4 Bh7 10. Rg1 g5 11. Rg2 Rg8 12. Kf1 {1-0 (57) Zala,G (2023)-Kron,G (1860) Budapest 2011}) 6... h5 7. Qc2 Na6 8. a3 {Black is slightly better.} Qa5 9. O-O-O e6 10. Kb1 O-O-O 11. Nge2 Kb8 12. Ng3 {[%cal Rc3e4]} Be7 13. Be2 ({White should try} 13. Nxf5 $11 exf5 14. Be2) 13... Ka8 (13... Bg6 $15) 14. Rd2 (14. Nxf5 $14 exf5 15. Bf4) 14... Nc7 (14... Bg6 $15) 15. Rhd1 ({White should play} 15. Nxf5 $11 Qxf5 16. Rf1) 15... h4 (15... Bg6 $15) 16. Nxf5 $14 exf5 (16... Qxf5 $14 17. f3 exf3 18. Qxf5 exf5 19. Bxf3 Rde8) 17. f3 $16 Rhe8 18. Bf4 (18. fxe4 $16 {Strongly threatening e5.} fxe4 19. Qb3) 18... Bd6 (18... Ne6 $5 {[%cal Re6f4]} 19. Bh2 e3 $15) 19. Bg5 $1 Ne6 (19... e3 $11 20. Rd3 Ne6 21. Bxe3 Nf4) 20. Bxf6 $1 gxf6 21. fxe4 {Black must now prevent d5.} Bf4 22. Rd3 Bg5 {[#]} 23. Bf3 (23. d5 $1 $16 {[%cal Rd5e6]} fxe4 24. Nxe4) 23... Nf4 $36 {[%mdl 2048] Black has the initiative.The position is equal.} 24. R3d2 Ne6 25. Rd3 Nf4 26. R3d2 Ne6 27. Rd3 {Accuracy: White = 61%, Black = 36%.} 1/2-1/2

[Event "POR-ch 2020"]
[Site "Portimao"]
[Date "2020.09.09"]
[Round "3.5"]
[White "Veiga, Jose Francisco R P N"]
[Black "Sousa, Andre Ventura"]
[Result "1/2-1/2"]
[ECO "C84"]
[WhiteElo "2344"]
[BlackElo "2378"]
[Annotator "TA"]
[PlyCount "95"]
[EventDate "2020.09.07"]
[EventType "tourn"]
[EventCountry "POR"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,95,12,14,3,12,16,9,0,7,0,0,0,0,0,18,0,16,0,7,-10,2,0,0,-17,-21,-20,-18,-21,-18,-18,-18,-18,-10,-11,-11,-13,-9,-9,-5,-8,-8,-12,-12,-10,-14,-45,-40,-68,-56,-89,-15,-41,-4,-4,-5,-6,-14,-7,6,4,25,8,15,8,0,0,0,0,10,0,9,0,0,0,18,13,25,-2,-2,-2,-2,-2,-2,-2]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. d3 b5 7. Bb3 d6 8. a3 {is the new trend. C84: Closed Ruy Lopez: Unusual White 6th moves.} Na5 9. Ba2 c5 10. Bg5 O-O 11. Nc3 Be6 12. Bxf6 Bxf6 13. Nd5 Nc6 14. c3 g6 15. Qd2 Rc8 16. b4 Bg7 17. h3 Ne7 18. Nxe7+ Qxe7 19. Bxe6 Qxe6 20. a4 d5 21. axb5 axb5 22. Ra5 {[#]} Rfd8 $146 {[#] And now ...cxb4 would win.} ({Predecessor:} 22... dxe4 23. dxe4 Qc4 24. Rd1 cxb4 25. cxb4 Qxe4 26. Rxb5 Rc2 27. Qe1 Re2 28. Qf1 Rb2 {½-½ (41) Mischuk,D (2363)-Kazantsev,N (2177) Cheliabinsk 2018}) 23. Qa2 cxb4 24. cxb4 Qc6 25. Ra7 Ra8 26. Rxa8 Rxa8 27. exd5 Qb7 28. Qb3 Rd8 29. d6 Rxd6 30. Rc1 Qd7 31. Ne1 Qa7 (31... Bf8 $17 32. Qa2 Rc6 33. Rxc6 Qxc6) 32. Rc5 Qa1 33. Kf1 Bh6 34. Qc3 (34. Rc7 {is more complex.} Re6 35. Qc3 Qxc3 36. Rxc3 Bf8 37. Rc8) 34... Qxc3 35. Rxc3 $11 {[%mdl 4096] Endgame KRB-KRN} Rd5 36. Ke2 Kf8 37. Nc2 Ke7 38. Rc7+ Ke6 39. Ne3 Rd4 40. Nc2 Rd7 41. Rc5 Rd5 {White should prevent ...Rxc5.} 42. Rc7 Bg5 43. Ne3 Rd7 44. Rc5 Rb7 45. d4 exd4 {[#] ...Be7 is the strong threat.The position is equal.} 46. Nc2 Be7 47. Nxd4+ Kf6 48. Rxb5 {Accuracy: White = 87%, Black = 92%.} 1/2-1/2

[Event "POR-ch 2020"]
[Site "Portimao"]
[Date "2020.09.10"]
[Round "4.1"]
[White "Rocha, Sergio"]
[Black "Sousa, Andre Ventura"]
[Result "0-1"]
[ECO "D76"]
[WhiteElo "2341"]
[BlackElo "2378"]
[Annotator "TA"]
[PlyCount "122"]
[EventDate "2020.09.07"]
[EventType "tourn"]
[EventCountry "POR"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,122,9,17,20,23,0,-1,-17,0,-31,-35,-39,-32,-31,-27,-29,-19,-36,-29,-32,-32,-52,-30,-19,-21,-9,-11,-24,-11,-66,-68,-60,-61,-62,-65,-77,-56,-53,-22,-21,-14,-20,-11,-13,-10,0,0,-22,-16,-29,-28,-129,-131,-130,-127,-114,-121,-91,-77,-136,-129,-114,0,-116,-65,-82,-44,-58,0,0,0,0,0,0,0,0,0,0,0,-595,-582,-664,-638,-899,-889,-29976,-29978,-29946,-524,-404,-348,-11157,-9793,-7875,-6372,-29959,-29961,-29969,-29962,-12799,-4235,-12792,-12687,-6529,-7371,-2492,0,-5181,-2341,-1566,-1518]} 1. Nf3 Nf6 2. d4 g6 3. g3 Bg7 4. Bg2 d5 5. c4 O-O 6. cxd5 Nxd5 7. O-O Nb6 {[#]} 8. Bd2 $146 {D76: Fianchetto Grünfeld: Main Line with 7...Nb6.} ({Predecessor:} 8. Nc3 Nc6 9. e3 a5 10. Qe2 a4 11. Rd1 Nb4 12. e4 Bg4 13. Be3 Qd7 14. Rac1 a3 15. b3 Ra5 16. d5 e6 17. h3 Bxf3 18. Bxf3 exd5 19. Nxd5 N6xd5 20. exd5 {1-0 (55) Vachier Lagrave,M (2778)-Melkumyan,H (2663) chess.com INT 2020}) 8... Nc6 9. Bc3 Nd5 10. Nbd2 {The position is equal.} e5 11. dxe5 Nxc3 12. bxc3 Nxe5 13. Nxe5 Bxe5 14. Qc2 c6 15. Rfd1 Qe7 16. Nf3 Bg7 17. Nd4 a6 18. e3 c5 19. Ne2 Bf5 20. Qb3 Bg4 21. Rd2 (21. Qc4 $11 h5 22. a4) 21... Rad8 $15 22. Rxd8 Rxd8 23. Nf4 b5 24. h3 Bf5 {Hoping for ...c4.} 25. Nd5 Qe5 {And now ...c4 would win.} 26. Rd1 Be4 $36 {[%mdl 2048] White must now prevent ...c4. Black has good play.} 27. c4 Bxg2 28. Kxg2 Qe4+ 29. f3 bxc4 30. Qa4 Qe6 31. Qxc4 {[#]} Bd4 $1 {[%mdl 512]} 32. exd4 (32. e4 $11 {remains equal.}) 32... Rxd5 $11 {[%mdl 4096] Endgame KQR-KQR} 33. a4 a5 34. Kf2 Qd7 35. Ke3 Qd6 36. g4 ({White should play} 36. h4) 36... Qe6+ $17 37. Kf2 Qd6 38. Ke3 $1 g5 (38... Qe7+ $17 39. Kf2 Qd6) 39. Rd3 $1 $15 Qf4+ 40. Ke2 $1 Rxd4 (40... Qh2+ $15 41. Kd1 Qd6) 41. Qxc5 $11 Qh2+ ({But not} 41... Rxa4 $2 42. Rd8+ Kg7 43. Qf8+ Kg6 44. Rd6+ Qxd6 45. Qxd6+ $18) 42. Ke3 Qg1+ 43. Ke2 Qg2+ 44. Ke3 Rxd3+ 45. Kxd3 Qxf3+ {KQ-KQ} 46. Kc4 $2 {[%mdl 8192] Black continues to play with concentration.} (46. Kd2 $11) 46... Qf1+ $19 47. Kd5 Qd1+ 48. Ke5 Qxa4 49. Kf6 Qf4+ 50. Ke7 Qe4+ (50... Qb4 $142 51. Kd6 Qxc5+ 52. Kxc5 f5 53. gxf5 h5 54. Kb5 Kf7 55. Kxa5 g4 56. hxg4 hxg4 57. Kb4 Kf6 58. Kc4 g3 59. Kd4 g2 60. Kc4 Kxf5 61. Kc5 g1=Q+ 62. Kd5 Qb6 63. Kc4 Ke4 64. Kc3 Qd4+ 65. Kc2 Qb4 66. Kd1 Kd3 67. Kc1 Qb5 68. Kd1 Qb1#) 51. Kd8 Qa8+ 52. Kd7 $2 (52. Kc7 h6 53. Qa3) 52... h6 53. h4 gxh4 54. g5 Qb7+ 55. Ke8 Qe4+ 56. Kd8 Qd3+ 57. Ke8 Qe2+ 58. Kd8 Qd2+ 59. Ke8 Qe2+ 60. Kd8 $1 {[#]} Qh5 $1 61. Ke8 hxg5 {Accuracy: White = 66%, Black = 80%.} 0-1

[Event "POR-ch 2020"]
[Site "Portimao"]
[Date "2020.09.10"]
[Round "4.2"]
[White "Dias, Paulo"]
[Black "Veiga, Jose Francisco R P N"]
[Result "1/2-1/2"]
[ECO "A05"]
[WhiteElo "2341"]
[BlackElo "2344"]
[Annotator "TA"]
[PlyCount "88"]
[EventDate "2020.09.07"]
[EventType "tourn"]
[EventCountry "POR"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,88,36,47,22,17,28,25,0,0,-10,0,-7,0,0,0,0,0,0,0,0,0,-4,-4,-4,0,0,0,0,0,0,0,0,0,0,0,-25,-24,-218,-118,-116,-53,-184,-19,-19,0,0,0,-19,-19,-19,-19,-19,-19,-19,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. Nf3 Nf6 2. c4 g6 3. d4 Bg7 4. g3 O-O 5. Bg2 c5 6. O-O cxd4 7. Nxd4 Nc6 8. Nc3 Nxd4 9. Qxd4 d6 10. Qd3 a6 11. Bd2 Rb8 12. Rac1 Bd7 13. b3 {A39: Symmetrical English vs ...g6: 4 Bg2 Bg7 5 Nf3 Nf6 6 0-0 0-0 7 d4.} b5 14. Rfd1 Qb6 15. Nd5 {White has an edge.} (15. Be3 {looks sharper.} bxc4 16. Qxc4 Qa5 17. Qd3 Rfc8 18. Bd2) 15... Nxd5 16. cxd5 b4 {[#]} 17. Qe4 $146 ({Predecessor:} 17. Be3 Qa5 18. Rc2 Rfc8 19. Bg5 Rxc2 20. Qxc2 Rc8 21. Qe4 Bf8 22. Bf3 Qxa2 23. Qxb4 {0-1 (33) Frois,A (2274)-Veiga,J (2322) Penafiel 2020}) 17... Bf6 18. Rc4 {[%cal Rc4b4]} a5 19. Rdc1 Rbc8 20. h4 Rxc4 (20... h5 {seems wilder.} 21. Bg5 Bxg5 22. hxg5 Bf5 23. Qf4 Bd7) 21. Rxc4 Rc8 22. Bg5 {Threatens to win with Rxc8+.} Rxc4 23. Qxc4 Bxg5 24. hxg5 Qc5 25. Qa6 $1 Bc8 26. Qa8 {Hoping for Bh3.} Kg7 27. Bf3 h6 28. gxh6+ Kxh6 29. e4 Kg7 30. Qb8 $2 {[#]} (30. Kg2 $11 {and White has nothing to worry.}) 30... Qc3 (30... Bh3 $1 $19 31. Qd8 Qc3) 31. Bg2 $17 {[#]} Bg4 $1 {And now ...Qe1+ would win.} 32. Qa7 $1 Qc1+ $2 ({Black should play} 32... Qa1+ $19 33. Kh2 Qxa2 34. Qd4+ Kg8) 33. Kh2 $11 {The position is equal.} Qh6+ 34. Kg1 Qc1+ 35. Kh2 Qc5 36. Qxe7 Qxf2 37. e5 $1 dxe5 38. Qxe5+ Kh7 {( -> ...Bf3)} 39. Qe7 Be2 40. d6 Bf1 {[%csl Gf1][%cal Rf2g2]} 41. Qb7 Bxg2 42. Qxg2 Qd4 43. Qc6 Qf2+ 44. Qg2 Qd4 {Accuracy: White = 81%, Black = 86%.} 1/2-1/2

[Event "POR-ch 2020"]
[Site "Portimao"]
[Date "2020.09.10"]
[Round "4.3"]
[White "Reis, Luis Sousa"]
[Black "Diogo, Vasco"]
[Result "1-0"]
[ECO "A52"]
[WhiteElo "2154"]
[BlackElo "2207"]
[Annotator "TA"]
[PlyCount "103"]
[EventDate "2020.09.07"]
[EventType "tourn"]
[EventCountry "POR"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,103,22,28,30,35,39,41,23,44,-12,0,0,0,0,-12,-16,0,-12,14,20,18,19,25,18,12,-2,0,-9,0,0,0,-43,0,0,0,-12,0,-9,0,-14,0,0,0,-38,-43,-61,-52,-115,-87,-126,0,0,0,0,0,0,311,308,301,289,298,297,388,388,630,598,1619,1541,29965,1234,1120,1291,1295,1295,1246,1231,1249,1098,1279,1205,2133,2127,1992,2088,1975,2683,2632,2553,2440,2435,29985,29986,29986,29986]} 1. d4 Nf6 2. c4 e5 3. dxe5 Ng4 4. e4 Nxe5 5. f4 Ng6 6. Be3 Bb4+ 7. Nd2 {A52: Budapest Gambit.} Qe7 8. Qc2 Nc6 9. O-O-O {[#] White is slightly better.} a5 $146 {[%cal Ba7a5,Ba5a4,Ba4a3][%mdl 32]} ({Predecessor:} 9... Bxd2+ 10. Bxd2 d6 11. g3 Bg4 12. Re1 O-O-O 13. h3 Bd7 14. Bg2 f6 15. Ne2 Rhe8 {½-½ (38) Parks,J (1822)-McGovern,P (1696) Dundee 2013}) 10. Ngf3 ({White should play} 10. Ne2 $14) 10... a4 $11 11. Nd4 Nxd4 12. Bxd4 Nxf4 {Black wants to play ...Ne6.} 13. Bxg7 Rg8 14. Bc3 a3 15. b3 Bxc3 ({Don't blunder} 15... Nxg2 $2 16. Rg1 $18) 16. Qxc3 d6 17. g3 Ng6 18. Nf3 Bg4 19. Bg2 Bxf3 20. Bxf3 Ne5 21. Rhf1 b6 $40 {[%mdl 128] Black mounts an attack.} (21... h5 $5) 22. Be2 Rg6 23. Rf5 Rg5 24. Rdf1 Rxf5 25. exf5 Qg5+ 26. Kc2 Kf8 27. h4 Qf6 28. b4 c5 $1 29. b5 (29. Rf4 $15) 29... Ra4 $17 30. Rf4 {[#]} Nd7 (30... d5 $1 $17 {[%mdl 512] Hoping for ...d4.} 31. Qb3 {[#]} (31. cxd5 Rxf4) 31... Nxc4 $1 {[%mdl 512]} 32. Bxc4 Rxc4+ 33. Rxc4 dxc4 34. Qxc4 Qb2+ 35. Kd3 Qb1+ 36. Ke3 Qxf5) 31. Qxf6 $11 Nxf6 {[%mdl 4096] Endgame KRB-KRN} 32. Kb3 Ra7 33. Bf3 Nd7 $2 {[%mdl 8192] White leaves nothing to chance now.} (33... Re7 $11) 34. f6 $18 Ne5 {intending ...Nd3.} 35. Be4 h6 36. g4 Ke8 37. g5 hxg5 $2 (37... h5 38. Bf3 Nxf3 39. Rxf3 Kd7) 38. hxg5 Rc7 39. Rh4 {Threatening mate with Rh8+.} d5 40. Bxd5 (40. Bf5 $142 dxc4+ 41. Kc3 Nd7 42. Bxd7+ Kxd7 43. g6 Rc8 44. g7 Re8 45. Rh8 Re3+ 46. Kxc4 Re4+ 47. Kd5 Rd4+ 48. Ke5) 40... Kd7 41. Rh7 Kd6 42. Kxa3 Rd7 43. Kb3 Rc7 44. a4 Ra7 45. Rg7 Rd7 {[#]} 46. a5 $1 bxa5 47. Ka4 Rd8 48. Bxf7 Rh8 49. Bd5 Rh2 50. Kxa5 Nd7 {[#]} 51. Rxd7+ $1 Kxd7 52. Kb6 {Accuracy: White = 80%, Black = 65%.} 1-0

[Event "POR-ch 2020"]
[Site "Portimao"]
[Date "2020.09.10"]
[Round "4.4"]
[White "Fernandes, Antonio"]
[Black "Martins, Bruno Andre Leite"]
[Result "1/2-1/2"]
[ECO "C06"]
[WhiteElo "2359"]
[BlackElo "2248"]
[Annotator "TA"]
[PlyCount "42"]
[EventDate "2020.09.07"]
[EventType "tourn"]
[EventCountry "POR"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,29,-48,-49,-65,-85,-60,-117,-165,-149,-192,-166]} 1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. Bd3 c5 6. c3 Nc6 7. Ne2 cxd4 8. cxd4 f6 9. f4 fxe5 10. fxe5 Nxd4 11. O-O Qb6 {Threatens to win with ...Nxe2+. C06: French Tarrasch: 3...Nf6 4 e5 Nfd7 5 Bd3 main lines.} 12. Kh1 {And now Nxd4 would win.} Nxe5 13. Nf4 {[#]} (13. Nxd4 $15 Qxd4 14. Bb5+ Bd7 15. Bxd7+ Kxd7 16. Qb3) 13... g6 $1 $17 14. Nb3 Nxb3 15. axb3 {[#] White got outplayed after the opening} {Predecessor:} Bg7 $146 16. Nh5 Rg8 17. Nxg7+ Rxg7 18. Bf4 Nf7 19. Qe2 Bd7 20. Be5 Kf8 21. Qf3 Be8 {½-½ (38) Gurtner,D (2110)-Dgebuadze,A (2487) Geneve 2014} 1/2-1/2

[Event "POR-ch 2020"]
[Site "Portimao"]
[Date "2020.09.10"]
[Round "4.5"]
[White "Santos, Antonio P"]
[Black "Fidalgo, Andre Neves"]
[Result "1-0"]
[ECO "D86"]
[WhiteElo "2160"]
[BlackElo "2268"]
[Annotator "TA"]
[PlyCount "167"]
[EventDate "2020.09.07"]
[EventType "tourn"]
[EventCountry "POR"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,167,6,35,7,0,1,17,15,10,1,0,0,0,0,0,0,0,-7,10,16,22,0,0,-27,29,0,0,0,0,0,0,-20,-17,-64,-75,-60,-70,-61,-27,-29,-30,-46,-27,-37,-32,-33,-4,0,-4,-53,0,0,0,16,22,21,25,21,37,23,35,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,2,0,0,-6,0,0,8,0,0,0,0,0,9,8,17,30,118,97,160,76,76,76,80,80,161,8,8,8,8,8,8,8,8,8,70,8,8,0,0,0,0,0,8,8,108,108,112,112,29963,29960,29980,29981,29980,29981,29982,29978,29981,29975,29979,29978,29971,29971,29982,29982,29982,29983,29983,29984,29984,29985,29985,29986,29986,29987]} 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Bc4 c5 8. Ne2 O-O 9. O-O Nc6 10. Be3 b6 {The modern move.} 11. Rb1 {D87: Exchange Grünfeld: Classical Line: Variations without ...cxd4.} cxd4 12. cxd4 Bb7 13. Qa4 {The position is equal.} Na5 14. Bd3 e6 15. Rfd1 Qh4 16. f3 Rfd8 {[#]} 17. Bd2 $146 ({Predecessor:} 17. Bf2 Qe7 18. Be1 Nc6 19. Bb5 Rac8 20. d5 exd5 21. exd5 Na5 22. Bxa5 bxa5 23. Kh1 Rxd5 24. Rxd5 Bxd5 {½-½ (41) Riha,J-Kantor,K Brno 1961}) 17... Nc6 {[%cal Rc6d4]} 18. Be1 Qg5 {[%cal Rc6d4]} 19. Bb5 Rac8 20. Bf2 Na5 21. Be1 Nc6 (21... a6 $142 22. Bd3 Nc6) 22. Bf2 Qe7 23. Rdc1 {[%cal Rb5c6]} Na5 24. Rxc8 Rxc8 25. Be1 Qd8 26. Rd1 a6 27. Bxa5 bxa5 28. Bc4 Qc7 (28... Bc6 $5 {[%cal Rc6a4]} 29. Qb3 Rb8 $11) 29. Bd3 Bc6 30. Qc4 Bb5 (30... Qd8 {keeps more tension.} 31. Qb3 a4 32. Qb1 Bb5 33. Bxb5 axb5 34. Qxb5 Rc2) 31. Qxc7 Rxc7 32. Kf1 Bh6 33. f4 Bf8 34. g3 Ba3 (34... Bxd3 $15 35. Rxd3 Rc2) 35. Kf2 $11 Kf8 36. Ke3 Ke7 37. Rb1 Bb4 38. g4 h6 39. h3 Kd7 40. f5 gxf5 41. gxf5 exf5 42. e5 Bxd3 43. Kxd3 {[%mdl 4096] Endgame KRB-KRN} f6 44. exf6 Rc6 45. Rf1 Rxf6 46. Ng3 Ke6 47. Nh5 Rf7 48. Nf4+ Kd7 49. Kc4 Bd6 50. Kd5 Bc7 51. a4 Rf6 52. Nd3 f4 53. Ke4 Rb6 54. Nxf4 Rf6 55. Rf3 Bd6 (55... Bxf4 $1 $11 {keeps the balance.} 56. Rxf4 Re6+ 57. Kd3 Rb6) 56. Nd3 Re6+ {[#]} (56... Rxf3 $142 57. Kxf3 Bb4) 57. Ne5+ (57. Kd5 $142 $1) 57... Bxe5 $16 58. dxe5 {aiming for Rf7+. KR-KR} Rb6 59. Kf5 Rb4 {[#]} (59... Ke7 $16) 60. Rf4 $2 (60. Kf6 $1 $18) 60... Ke7 $11 61. Rg4 h5 62. Rg5 Rxa4 63. Rxh5 Rb4 64. Rh7+ Ke8 (64... Kd8 $11) 65. Rh6 (65. Kf6 $1 $14 Rf4+ 66. Ke6) 65... a4 $1 66. Rxa6 Rh4 $1 67. Ra8+ Ke7 68. Ra7+ Ke8 69. Ke6 {[%cal Ra7a8]} Rh6+ (69... Kd8 $1 $11) 70. Kd5 $16 Kd8 71. Rxa4 {h4 is the strong threat.} Ke7 $2 {[%mdl 8192] Black cannot hold the game after this.} (71... Rxh3 $16 72. Kd6 Rd3+ 73. Ke6 Re3 74. Ra8+ Kc7 75. Ra7+ Kd8 76. Ra8+ Kc7) 72. h4 {White mates.} Ke8 73. e6 Ke7 74. Ra7+ Kf6 75. Rf7+ Kg6 76. Rf4 Rh7 77. Kd6 Ra7 {[#]} 78. h5+ $1 Kxh5 79. e7 Ra6+ 80. Ke5 Ra5+ 81. Ke6 Ra6+ 82. Kf7 Kg5 83. Rf1 Ra7 84. Kf8 {Accuracy: White = 81%, Black = 78%.} 1-0

[Event "POR-ch 2020"]
[Site "Portimao"]
[Date "2020.09.11"]
[Round "5.1"]
[White "Fidalgo, Andre Neves"]
[Black "Rocha, Sergio"]
[Result "0-1"]
[ECO "E16"]
[WhiteElo "2268"]
[BlackElo "2341"]
[Annotator "TA"]
[PlyCount "132"]
[EventDate "2020.09.07"]
[EventType "tourn"]
[EventCountry "POR"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,132,22,22,33,35,44,0,12,5,5,11,8,0,1,-18,-21,-14,35,-16,33,0,0,-2,0,-6,-17,-5,0,0,0,0,0,0,44,7,75,72,79,83,83,83,100,69,89,83,76,71,90,68,65,0,88,-144,-132,-128,-146,-185,-185,-185,-183,-189,-141,-148,0,-185,-185,-217,-193,-204,-204,-264,-217,-239,-204,-236,-240,-222,-203,-179,-179,-206,-179,-183,-101,-191,-174,-244,-233,-237,-220,-459,-460,-470,-470,-463,-448,-371,-204,-274,-224,-2024,-2049,-12837,-6310,-29978,-29978,-29977,-29979,-29982,-29983,-29983,-29984,-29984,-29985,-29988,-29983,-29983,-29983]} 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 Qe7 5. g3 Nc6 6. Bg2 Bxd2+ 7. Nbxd2 d6 8. O-O a5 9. Rc1 e5 {E11: Bogo-Indian.} 10. d5 {[#]} Nb4 $146 ({Predecessor:} 10... Nb8 11. c5 O-O 12. Nc4 Nbd7 13. c6 Nc5 14. Nxa5 Rxa5 15. b4 Rxa2 16. bxc5 dxc5 17. Qb3 Ra7 18. cxb7 Bxb7 19. e4 {½-½ (19) Teske,H (2487)-Dubiel,J (2423) Germany 2016}) 11. Ne1 Bd7 {The position is equal.} 12. a3 Na6 13. b3 h5 14. e4 h4 15. Nd3 hxg3 16. hxg3 Ng4 17. Re1 ({White should play} 17. b4 $14) 17... Kf8 18. f3 Nf6 19. Kf2 g6 20. Qe2 Kg7 21. Rh1 Nc5 22. Nxc5 dxc5 23. a4 Nh5 24. Qe3 Qf6 25. Nb1 Qb6 (25... Rh7 $11 {keeps the balance.}) 26. Bh3 $16 Nf6 27. Bxd7 Nxd7 28. Na3 Nf6 29. Qc3 Qd6 30. Rcd1 Qe7 31. Qd2 Qd7 32. Qg5 Qe7 {Strongly threatening ...Nxe4+!} 33. Kg2 (33. Qe3 $14) 33... Rad8 (33... Nxd5 $1 $11 34. Qxe7 Nxe7) 34. Nc2 $2 (34. Qd2 $16 {and life is bright.}) 34... Nxd5 $1 $17 {[%mdl 64] Discovered Attack} 35. Qxe7 Nxe7 36. Rhe1 Nc6 37. Rd5 {[#]} b6 $1 38. Rb1 Ne7 39. Rdd1 Nc6 40. Rd5 $1 Nd4 41. Nxd4 exd4 42. Rxd8 Rxd8 $19 {[%mdl 4096] Endgame KR-KR} 43. Rd1 Kf6 44. f4 c6 45. Kf3 Rh8 46. Kg2 Ke6 47. Ra1 Kd6 48. Ra2 Kc7 49. Ra1 Ra8 ({Better is} 49... f6 $19 50. Re1 Kd7) 50. Rc1 {[#]} (50. Rh1 $17) 50... b5 $1 {[%mdl 512]} 51. cxb5 (51. Rh1 $142) (51. axb5 cxb5) 51... Kb6 52. bxc6 Kxc6 53. Ra1 $2 (53. Rd1) 53... Rb8 54. Ra3 c4 55. bxc4 Kc5 56. Ra1 Kxc4 (56... d3 $142 57. Kf3 Rb2) 57. Rc1+ Kd3 {aiming for ...Ke2.} 58. Rc5 $2 (58. Kf3 Rb4 59. Rc7) 58... Ke3 59. f5 d3 60. Rxa5 d2 {Black mates.} 61. Rd5 Rb1 62. fxg6 fxg6 63. Rxd2 Kxd2 64. Kf3 Kd3 65. e5 Rf1+ 66. Kg4 Rf5 {Accuracy: White = 56%, Black = 75%.} 0-1

[Event "POR-ch 2020"]
[Site "Portimao"]
[Date "2020.09.10"]
[Round "5.2"]
[White "Martins, Bruno Andre Leite"]
[Black "Santos, Antonio P"]
[Result "1-0"]
[ECO "B90"]
[WhiteElo "2248"]
[BlackElo "2160"]
[Annotator "TA"]
[PlyCount "49"]
[EventDate "2020.09.07"]
[EventType "tourn"]
[EventCountry "POR"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,49,19,29,10,10,13,11,6,13,4,0,-1,13,4,0,0,0,5,16,6,10,0,0,10,29,25,58,53,37,46,223,231,354,347,398,419,494,482,503,413]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bd3 e5 7. Nf5 {B90: Sicilian Najdorf: Unusual White 6th moves, 6 Be3 Ng4 and 6 Be3 e5.} Bxf5 8. exf5 d5 9. Bg5 {The position is equal.} Bb4 10. O-O Bxc3 11. bxc3 Nbd7 12. c4 dxc4 13. Bxc4 {[#]} O-O $146 ({Predecessor:} 13... Qc7 14. Qe2 O-O 15. Bb3 h6 16. Bh4 Qc5 17. Rad1 Rac8 18. Kh1 Rc6 19. f3 b5 {0-1 (58) Novotny,M-Huliak,P Slovakia 2002}) 14. Qf3 Qc7 15. Bb3 e4 16. Qh3 Qe5 17. Rad1 Rac8 18. Be3 Rc3 19. g4 {[#] g5 is the strong threat.} h6 20. Qg2 Rfc8 $2 {This costs Black the game.} (20... Rxe3 $14 21. fxe3 Qc3) 21. h4 $18 ({Not} 21. Bd4 Qf4 $11) 21... Qe7 {[#]} (21... Rxb3 $142 22. cxb3 h5) 22. g5 $1 Nh5 23. f6 Ndxf6 24. gxf6 Qxf6 25. Qg4 {Accuracy: White = 100%, Black = 63%.} 1-0

[Event "POR-ch 2020"]
[Site "Portimao"]
[Date "2020.09.11"]
[Round "5.3"]
[White "Diogo, Vasco"]
[Black "Fernandes, Antonio"]
[Result "0-1"]
[ECO "B96"]
[WhiteElo "2207"]
[BlackElo "2359"]
[Annotator "TA"]
[PlyCount "100"]
[EventDate "2020.09.07"]
[EventType "tourn"]
[EventCountry "POR"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 25,100,45,40,24,84,0,-7,-41,-21,-59,0,-29,-30,-43,-25,-36,0,-31,0,0,0,0,0,0,0,0,0,0,0,0,0,-21,-28,-45,-17,-82,-66,-77,-52,-115,-113,-137,-132,-191,-176,-178,-148,-187,-218,-236,-224,-216,-199,-359,-247,-279,-245,-451,-397,-985,-964,-845,-726,-711,-695,-642,-337,-329,-324,-327,-272,-424,-400,-29976,-29972,-29986,-29987]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 b5 8. e5 dxe5 9. fxe5 Qc7 10. exf6 Qe5+ 11. Be2 Qxg5 12. O-O Ra7 $1 {12...Ra7 scores better than 12...Qe5.} 13. Qd3 Rd7 {And now ...Rxd4! would win.} 14. Ne4 {B96: Sicilian Najdorf: 6 Bg5 e6 7 f4, lines other than 7...Qb6 and 7...Be7.} Qe5 (14... Qg6 $1 $11 {keeps the balance.}) 15. c3 (15. Nf3 $1 $16 {[%cal Rf3e5]} Qxb2 16. Qe3) 15... Bb7 $11 16. Bf3 {The position is equal.} Bxe4 $1 17. Bxe4 Bd6 (17... gxf6 $15 18. Rad1 Bc5) 18. g3 (18. Qh3 $5 {[%cal Ra1e1]}) 18... gxf6 19. Kg2 {[#]} Bc5 $146 {[%cal Rc5d4]} ({Predecessor:} 19... h5 20. Nc6 Qc5 21. b4 Qb6 22. Qf3 f5 23. Nxb8 Rc7 24. Bxf5 exf5 25. Rad1 h4 26. Qxf5 {0-1 (37) Jarecki,M (2142)-Tanti,J (2119) ICCF email 2011}) 20. Rad1 Qg5 21. a4 bxa4 (21... f5 {is interesting.} 22. Bf3 bxa4 23. Qc4 Bxd4 24. Rxd4 O-O) 22. Qc4 {Threatens to win with Nxe6!} Bxd4 $1 23. Rxd4 Rxd4 24. Qxd4 Qe5 25. Qxa4+ Kf8 26. Rd1 Kg7 27. Bf3 Rc8 28. Rd4 f5 29. Rd2 a5 30. Re2 {[#]} (30. g4 $11) 30... Qc5 $1 $17 31. Qf4 h6 32. Rd2 {Black continues to play with concentration.} (32. g4 $15) 32... Nc6 33. Re2 {[#]} Ne7 $1 34. h3 (34. Bh5 $17) 34... Ng6 $19 35. Qd2 Qb6 36. Kh2 Rd8 37. Qc2 f4 38. gxf4 Nxf4 39. Re1 $2 (39. Rd2) 39... Rb8 40. Rg1+ Kf8 41. Qe4 $2 (41. Bg2) 41... Qd6 42. Rd1 $2 (42. Kh1 Rxb2 43. Qa8+ Rb8 44. Qc6 Qxc6 45. Bxc6) 42... Rxb2+ 43. Kh1 Nd5 {[%csl Gb2][%cal Rd6h2]} 44. Bg2 Qg3 {...Rxg2! is the strong threat.} 45. Rg1 Qxc3 46. Qh4 {White threatens Qd8+ and mate.} Qf6 47. Qc4 Ne7 48. Qa6 (48. Qd3 $142) 48... Qe5 49. Qa7 (49. Qd3 $19 Ng6 50. Qd7) 49... Nf5 50. Rc1 Ng3+ {Accuracy: White = 44%, Black = 68%.} 0-1

[Event "POR-ch 2020"]
[Site "Portimao"]
[Date "2020.09.10"]
[Round "5.4"]
[White "Veiga, Jose Francisco R P N"]
[Black "Reis, Luis Sousa"]
[Result "1-0"]
[ECO "C63"]
[WhiteElo "2344"]
[BlackElo "2154"]
[Annotator "TA"]
[PlyCount "105"]
[EventDate "2020.09.07"]
[EventType "tourn"]
[EventCountry "POR"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,105,0,0,0,68,67,63,66,64,69,74,50,70,66,85,82,91,91,92,87,89,97,96,97,134,135,134,134,134,131,143,135,150,137,136,97,97,97,120,121,135,90,91,83,93,94,112,89,90,89,100,45,96,58,106,106,111,106,152,152,166,158,158,118,106,115,116,109,110,114,330,315,563,530,679,672,635,653,2205,2100,2290,2217,2164,1927,1867,1580,6045,6033]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 f5 4. Nc3 fxe4 5. Nxe4 Nf6 6. Nxf6+ Qxf6 7. O-O Be7 8. Qe2 O-O 9. Bxc6 dxc6 10. Qxe5 Bg4 {[#]} 11. Re1 $146 {C63: Ruy Lopez: Schliemann/Jaenisch Defence.} ({Predecessor:} 11. Qxf6 Bxf6 12. Re1 Bxf3 13. gxf3 Bg5 14. Kg2 Rf5 15. d4 Raf8 16. Re5 Bxc1 17. Rxf5 Rxf5 18. Rxc1 Rg5+ 19. Kf1 Rf5 20. Kg2 Rg5+ 21. Kf1 Rf5 22. Re1 Rxf3 23. Re8+ Rf8 24. Re7 Rf7 {½-½ (24) Neiksans,A (2502)-Johannessen,L (2515) Porto Carras 2011}) 11... Bxf3 (11... Rfe8 $11) 12. Qxe7 $14 Qg6 {[%csl Gf3][%cal Rg6g2]} 13. Qe6+ {White is slightly better.} Qxe6 14. Rxe6 Bd1 15. c4 Rfe8 16. Re3 Rad8 {[#]} 17. d4 $1 {[%mdl 512]} Kf7 (17... Rxd4 18. Rxe8+) 18. Rxe8 Rxe8 $16 {[%cal Re8e1][%mdl 4096] Endgame KRB-KRB} 19. Be3 Be2 20. Rc1 Ke6 21. f3 b5 22. cxb5 Bxb5 23. Bf4 Kd7 24. Be5 g6 25. Kf2 a6 26. Ke3 a5 27. a4 Bxa4 28. Ra1 Bc2 29. Rxa5 Rb8 30. Kd2 Bf5 31. Kc3 Rb7 32. Ra8 h5 33. h3 Be6 34. b4 Bd5 35. Bg7 (35. Bf6 $16) 35... Ke6 (35... c5 $14) 36. Bh6 Kf7 37. Bf8 Ke6 38. Bc5 Kf7 39. h4 Kf6 40. Rf8+ Kg7 41. Kd3 Ra7 42. Rc8 Ra2 43. Rxc7+ Kf6 {[#]} 44. Rd7 $1 {Threatens to win with b5!} Rb2 $2 {This costs Black the game.} (44... Ra3+ $16 45. Ke2 Ra2+ 46. Kf1 g5) 45. Kc3 $18 Rxg2 $2 (45... Rb3+ {might work better.} 46. Kc2 Bc4 47. Rd6+ Kf5 48. Rxc6 Bb5 49. g4+ hxg4 50. fxg4+ (50. Kxb3 Bxc6 51. fxg4+ Kxg4 $18) 50... Ke4 51. Re6+ Kd5 52. Rxg6 Rh3) 46. Rd6+ {White is clearly winning.} Kf5 {[#]} 47. b5 $1 {[%cal Bb4b5,Bb5c6,Bc6c7][%mdl 544]} Bxf3 (47... cxb5 48. Rxd5+) 48. bxc6 Rg4 49. c7 Bb7 50. Rb6 Bc8 51. Rb8 Ba6 52. Kb4 Rg1 53. Ka5 {Accuracy: White = 87%, Black = 60%.} 1-0

[Event "POR-ch 2020"]
[Site "Portimao"]
[Date "2020.09.11"]
[Round "5.5"]
[White "Sousa, Andre Ventura"]
[Black "Dias, Paulo"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "2378"]
[BlackElo "2341"]
[Annotator "TA"]
[PlyCount "73"]
[EventDate "2020.09.07"]
[EventType "tourn"]
[EventCountry "POR"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,73,14,4,8,49,36,58,62,49,56,79,45,42,37,55,48,84,91,92,89,108,87,114,90,112,0,85,0,122,108,106,106,97,100,102,123,189,177,159,120,287,282,409,382,446,462,456,479,481,41,28,34,38,13,155,143,2901,2473]} 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Nge2 Bg7 5. g3 O-O 6. Bg2 e5 7. O-O Nc6 8. d5 Ne7 9. f4 exf4 10. Bxf4 {B07: Pirc Defence: Miscellaneous Systems.} Ng4 11. Qd2 Re8 {[#]} 12. h3 $146 {White is slightly better.} ({Predecessor:} 12. Rae1 c6 13. h3 Ne5 14. dxc6 bxc6 15. Kh2 Ba6 16. Rd1 Qa5 17. b3 Rad8 18. Nd5 Qxd2 19. Nxe7+ Rxe7 20. Rxd2 {0-1 (49) Makaj,M (2153)-Biti,O (2356) Opatija 2003}) 12... Ne5 13. b3 Bd7 14. Nd4 c6 15. dxc6 bxc6 16. Rad1 Rc8 17. Nde2 d5 18. Kh2 Be6 19. Nd4 ({Of course not} 19. exd5 $6 Nxd5 20. Nxd5 Bxd5 $11) 19... Bd7 20. Bg5 {[%cal Re4d5]} Be6 21. Bf4 Bd7 $1 22. Bg5 {[%cal Re4d5]} Be6 $1 ({Don't play} 22... c5 $6 23. Nf3 $16) 23. Kh1 Qd6 24. Qf4 Qc5 25. Na4 Qd6 26. c4 Rcd8 (26... Bd7 $16 {was necessary.}) 27. exd5 cxd5 28. Nc3 {[%cal Ba4c3,Bc3e4,Be4f6][%mdl 32]} dxc4 $2 (28... Qb4 $16) 29. Ne4 $18 Qb6 (29... Qa6 $142) 30. Nf6+ Bxf6 31. Bxf6 {[#] Qh6 would kill now.} Nd7 32. Nxe6 Qxe6 33. Ba1 $2 (33. Bc3 $18 Nf5 34. Rfe1 (34. bxc4 Qe3 $15 {[%mdl 64] Double Attack})) 33... Nf5 $14 34. g4 $40 {[%mdl 128] White is up to no good.} Ne3 35. Rde1 {Threatens to win with Rxe3!} c3 (35... f6 $1 $11) 36. Bxc3 $16 {aiming for Rxe3!} Rc8 $2 {[%mdl 8192] [#]} (36... f6 $16) 37. Rxe3 $1 {[%mdl 512] Accuracy: White = 78%, Black = 44%.} 1-0

[Event "POR-ch 2020"]
[Site "Portimao"]
[Date "2020.09.11"]
[Round "6.1"]
[White "Rocha, Sergio"]
[Black "Dias, Paulo"]
[Result "1-0"]
[ECO "A61"]
[WhiteElo "2341"]
[BlackElo "2341"]
[Annotator "TA"]
[PlyCount "50"]
[EventDate "2020.09.07"]
[EventType "tourn"]
[EventCountry "POR"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,50,19,49,14,8,18,8,0,-7,0,42,22,29,33,21,32,29,0,0,0,0,0,2,21,0,0,0,31,145,148,137,135,152,145,158,152,377,390,1782]} 1. d4 Nf6 2. Nf3 c5 3. d5 d6 4. c4 e6 5. Nc3 exd5 6. cxd5 g6 7. h3 {7.Nd2 is the modern continuation.} Bg7 8. Bf4 {A61: Modern Benoni: Nf3 without early e4.} O-O 9. e3 Na6 10. Be2 {The position is equal.} Nc7 11. O-O b5 12. Nxb5 Nxb5 13. Bxb5 Rb8 14. a4 a6 15. Bc6 $36 {[%mdl 2048] White has the initiative.} Rxb2 16. Nd2 Rb4 17. Rc1 {[#]} a5 $146 ({Predecessor:} 17... Nh5 18. Bh2 f5 19. Re1 f4 20. e4 Bb2 21. Rc2 Qf6 22. Nf3 Be5 23. a5 Ng7 {½-½ (78) Zoler,D (2509)-Porat,S (2471) Israel 2011}) 18. Nc4 Ba6 19. Bb5 Bxb5 20. axb5 Rxb5 (20... a4 $14) 21. Bxd6 $16 Re8 22. Qa4 Rb4 23. Qc6 Re4 24. Nd2 Rb6 $2 (24... Re8 $16) 25. Bc7 $18 {[%mdl 64] [#] Double Attack} Rf4 $2 {Accuracy: White = 85%, Black = 63%.} (25... Rxc6 26. Bxd8 Re8 27. dxc6 Rxd8 28. Rxc5 Bf8) 1-0

[Event "POR-ch 2020"]
[Site "Portimao"]
[Date "2020.09.11"]
[Round "6.2"]
[White "Reis, Luis Sousa"]
[Black "Sousa, Andre Ventura"]
[Result "0-1"]
[ECO "E32"]
[WhiteElo "2154"]
[BlackElo "2378"]
[Annotator "TA"]
[PlyCount "98"]
[EventDate "2020.09.07"]
[EventType "tourn"]
[EventCountry "POR"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,98,2,11,-5,-18,-7,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-7,-22,335,354,343,337,356,272,305,267,264,261,259,249,285,282,289,278,275,279,296,289,304,264,472,456,545,520,491,501,476,311,275,0,7,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-1407,0,-12833,-12833,-12841,-12841,-12842,-12843,-12845,-12846,-12846,-12847,-12847,-12845]} 1. c4 e6 2. d4 Nf6 3. Nc3 Bb4 4. Qc2 O-O 5. a3 Bxc3+ 6. Qxc3 d5 7. Nf3 dxc4 8. Qxc4 b6 9. Bf4 {E36: Nimzo-Indian: Classical: 4...d5 5 a3.} Ba6 10. Qc2 c5 11. dxc5 {The position is equal.} bxc5 12. Qxc5 Nbd7 {[#]} 13. Qc7 $146 (13. Qc6 {seems wilder.} Nb6 14. Rd1 Rc8 15. Rxd8 Rxc6 16. Nd4) ({Predecessor:} 13. Qc6 Nb6 14. Bc7 {½-½ (14) Dreev,A (2649)-Postny,E (2595) Sibenik 2010}) 13... Qxc7 14. Bxc7 Rfc8 15. Bf4 Rc2 16. b4 Rac8 17. Nd4 R2c4 18. e4 e5 $1 {[%mdl 64] [#] Double Attack} ({Reject} 18... Rxd4 19. Bxa6 Rxe4+ 20. Be3 $16) 19. Bxc4 Bxc4 $4 {[%mdl 8192]} (19... Rxc4 $11 {and Black stays safe.} 20. b5 exf4) 20. Nf5 $18 Rc7 21. Bg3 Nxe4 22. f3 Nxg3 23. hxg3 Be6 24. Ne3 f5 25. Kd2 f4 26. gxf4 exf4 27. Ng4 Bxg4 28. fxg4 {[%mdl 4096] Endgame KRR-KRN} Nf6 29. Rac1 Rd7+ 30. Ke2 g5 $2 (30... Re7+ 31. Kf3 Re3+ 32. Kxf4 Nd5+ 33. Kf5 Ne7+ 34. Kg5 h6+ 35. Kh5 Re5+ 36. Kh4 Re3) 31. Rc8+ Kg7 32. Rhc1 Re7+ 33. Kf1 Nd5 34. Re1 {Strongly threatening Rxe7+.} Ne3+ 35. Rxe3 $2 (35. Kg1 $18) 35... fxe3 {KR-KR} 36. Ke2 Kf6 37. Rc5 Re4 38. Rf5+ Kg6 39. Ra5 Rxg4 40. Rxa7 Rxg2+ 41. Kxe3 Rb2 42. Ra6+ Kh5 43. Kf3 $2 {[%mdl 8192]} (43. Kd4 $11) 43... Rb3+ $2 ({Black should play} 43... g4+ $19 44. Kf4 Rf2+ 45. Ke3 Rf3+ 46. Kd2 g3) 44. Kg2 $2 {[%mdl 8192] [#]} (44. Ke2 $11) 44... g4 $1 $19 {Black is clearly winning.} 45. a4 Rxb4 46. a5 Ra4 47. Ra8 Kh4 48. a6 Ra2+ 49. Kf1 g3 {Quite a comeback for Black. Accuracy: White = 81%, Black = 86%.} 0-1

[Event "POR-ch 2020"]
[Site "Portimao"]
[Date "2020.09.11"]
[Round "6.3"]
[White "Fernandes, Antonio"]
[Black "Veiga, Jose Francisco R P N"]
[Result "1/2-1/2"]
[ECO "A05"]
[WhiteElo "2359"]
[BlackElo "2344"]
[Annotator "TA"]
[PlyCount "150"]
[EventDate "2020.09.07"]
[EventType "tourn"]
[EventCountry "POR"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,150,43,6,39,53,46,48,71,22,44,35,29,33,39,-3,-10,-9,6,-20,30,26,37,45,50,47,39,36,64,64,95,63,75,62,57,52,58,56,66,64,58,2,50,41,50,37,37,32,37,38,43,40,133,134,136,129,128,127,133,125,155,136,138,102,92,94,124,100,94,94,94,68,223,223,231,0,0,0,231,238,383,376,546,290,1533,1618,1743,1664,1211,587,568,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d4 c5 6. c4 d6 7. dxc5 dxc5 8. Bf4 Nc6 9. Nc3 {[%cal Bb1c3,Bc3d5,Bd5e3,Be3g4,Bg4e5][%mdl 32]} Qa5 {9...Nh5 is the modern continuation.} 10. Bd2 Bd7 {E65: King's Indian: Fianchetto: 6...c5 7 0-0 without d5 by White.} 11. Nd5 Qd8 12. Bc3 Ne8 {[#] White is slightly better.} 13. Qb3 $146 ({Predecessor:} 13. Bxg7 Nxg7 14. Qd2 Bg4 15. Rad1 Bxf3 16. Bxf3 e6 17. Nc3 Qxd2 18. Rxd2 Ne5 19. Bxb7 Nxc4 {1-0 (52) Esposito,A-Scanavino,E Buenos Aires 1963}) 13... Bxc3 14. Qxc3 e6 15. Ne3 Qf6 16. Qd2 Rd8 17. Ng4 Qg7 18. Qe3 Nd4 19. Rad1 $36 {[%cal Rf3d4][%mdl 2048] White is pushing.} Bc6 20. Nge5 {[%cal Rf3d4]} Bxf3 21. Nxf3 b6 22. Nxd4 cxd4 23. Qa3 Rd7 24. b4 Qe5 25. c5 bxc5 26. bxc5 {[%cal Bb4c5,Bc5c6][%mdl 32]} Nf6 27. c6 Rc7 28. Qb2 Nd5 29. Qxd4 (29. Rxd4 $14 Rxc6 30. Bxd5 exd5 31. e3) 29... Qxd4 30. Rxd4 Rxc6 31. Bxd5 exd5 $14 {[%mdl 4096] Endgame KRR-KRR} 32. Rfd1 Rc2 33. R1d2 Rxd2 34. Rxd2 {KR-KR} Rc8 (34... Rd8 $14) 35. Rxd5 $16 Rc2 36. Ra5 Rxe2 37. Rxa7 Kg7 38. h4 h5 39. Kg2 Kf6 40. a4 Ra2 41. Kf3 Rb2 42. a5 Ra2 43. a6 Ra4 44. Ke3 Ra2 $2 ({Better is} 44... g5 $1 $14) 45. f3 $18 Ke5 46. Re7+ $2 ({Resist} 46. Rxf7 Ra3+ 47. Ke2 Ra2+ 48. Ke3 Ra3+ 49. Ke2 Ra2+ 50. Ke3 $16) (46. Ra8 $18) 46... Kf6 $1 $11 {[%cal Rf6e7]} 47. Ra7 $2 (47. Re4 $11) 47... Ke5 $18 48. Kd3 (48. Rxf7 Ra3+ 49. Kd2 Ra2+ 50. Ke1 Ra1+ 51. Kf2 Ra2+ 52. Ke3 Ra3+ 53. Kf2 Ra2+ 54. Kg1 Ra1+ 55. Kh2 Ra2+ 56. Kh3 Rxa6 $16) 48... Ra3+ (48... Kd5 $142 49. Kc3 (49. Rxf7 Rxa6 50. Re7 Ra1 $16) 49... f6) 49. Kc4 Rxf3 (49... Ra2 {keeps fighting.} 50. Kb5 Rb2+ 51. Kc4 Ra2) 50. Re7+ Kf6 $2 (50... Kd6 51. a7 Ra3 52. Rxf7 Kc6) 51. Re4 Rxg3 52. Kb5 Rd3 53. a7 (53. Rf4+ $142 Ke6 54. Rb4) 53... Rd8 {[#]} 54. Ra4 $2 (54. Rf4+ $1 $18 Ke6 55. Rb4) 54... Ra8 $11 {The position is equal.} 55. Rf4+ Kg7 56. Kb6 {Black must now prevent Rf1.} g5 $1 {[%cal Rg5f4]} 57. hxg5 Kg6 58. Kb7 Re8 59. Re4 Rd8 $1 60. Re5 h4 61. a8=Q Rxa8 62. Kxa8 {KR-KPP} h3 63. Kb7 h2 64. Re1 {[#] Rh1 is the strong threat.} Kxg5 65. Rh1 Kg4 66. Rxh2 {KR-KP} f5 67. Rg2+ Kf3 68. Ra2 {White threatens Kc6 and mate.} f4 69. Kc6 Kg3 70. Kd5 {White wants to mate with Ke4.} f3 71. Ra3 {Ke4 would kill now.} Kg2 72. Ke4 f2 73. Ra2 {Threatening mate with Ke3.} Kg1 74. Ra1+ f1=R 75. Ra8 Rf7 {Black escapes into a draw. Accuracy: White = 73%, Black = 65%.} 1/2-1/2

[Event "POR-ch 2020"]
[Site "Portimao"]
[Date "2020.09.11"]
[Round "6.4"]
[White "Santos, Antonio P"]
[Black "Diogo, Vasco"]
[Result "0-1"]
[ECO "E98"]
[WhiteElo "2160"]
[BlackElo "2207"]
[Annotator "TA"]
[PlyCount "82"]
[EventDate "2020.09.07"]
[EventType "tourn"]
[EventCountry "POR"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,82,51,64,60,75,64,61,48,63,40,78,38,39,18,36,35,50,-28,-23,-19,-15,-25,-14,-24,-14,-29,-30,-83,-75,-177,-179,-187,-177,-244,-246,-262,-187,-315,-353,-359,-352,-344,-259,-248,-234,-286,-270,-291,-288,-285,-283,-259,-283,-352,-353,-285,-280,-478,-484,-473,-458,-1006,-991]} 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. O-O Nc6 8. d5 Ne7 9. Ne1 Ne8 10. Nd3 f5 11. f3 f4 12. Bd2 {E98: King's Indian: Classical Main Line: 9 Ne1.} h5 13. c5 g5 14. cxd6 {White is slightly better.} cxd6 15. Nf2 Kh8 16. Qc2 Ng8 17. Rfc1 a6 18. a4 {[#]} Nh6 $146 ({Predecessor:} 18... Rf6 19. Ra3 Rg6 20. h3 Nh6 21. Ncd1 g4 22. fxg4 hxg4 23. hxg4 Nxg4 24. Nxg4 Bxg4 25. Bxg4 Rxg4 {0-1 (44) Nicolas,T (1938)-Lagunes,J (2095) France 2008}) 19. h3 (19. Qd1 $14) 19... Bf6 $11 20. Ncd1 Rg8 21. Ra3 Bd7 22. Be1 Rg7 23. Rc3 Qb8 24. b4 (24. Qb3 $11 {keeps the balance.}) 24... Bd8 $17 25. b5 (25. a5 $17 {might work better.}) 25... Ba5 $19 26. bxa6 Bxc3 27. Nxc3 (27. Qxc3 $142 bxa6 28. Qa3) 27... bxa6 28. Rb1 Qa7 29. a5 (29. Qb3 $142) 29... g4 30. hxg4 hxg4 31. Rb6 gxf3 32. Bxf3 Qc7 33. Qd3 Qc8 34. Kf1 Nf7 35. Bh5 Kg8 36. Be2 Nc7 37. Qf3 Ng5 38. Qh5 Ne8 39. Ng4 $2 {[#]} (39. Qh6) 39... Nf7 {Black is clearly winning.} 40. Nf2 Nf6 41. Qf3 (41. Qh1 $142 Qc5 42. Qh4 Qxa5 43. Rxd6 {[%mdl 64] Decoy} Nxd6 44. Qxf6) 41... Rg3 {White did not feel at home in the position after the opening. Accuracy: White = 51%, Black = 89%.} 0-1

[Event "POR-ch 2020"]
[Site "Portimao"]
[Date "2020.09.11"]
[Round "6.5"]
[White "Fidalgo, Andre Neves"]
[Black "Martins, Bruno Andre Leite"]
[Result "1/2-1/2"]
[ECO "A88"]
[WhiteElo "2268"]
[BlackElo "2248"]
[Annotator "TA"]
[PlyCount "107"]
[EventDate "2020.09.07"]
[EventType "tourn"]
[EventCountry "POR"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,107,-7,16,11,16,5,15,-27,-18,-47,-16,-80,-70,-106,4,-29,16,-23,-22,-23,-25,-76,69,0,0,0,542,0,0,0,0,0,-12,-97,-59,-335,-318,-704,-475,-661,-694,-688,-649,-632,-658,-617,-293,-308,-291,-296,-301,-274,0,0,0,0,0,0,0,0,0,0,0,-18,-9,-85,-93,-80,-66,-84,-86,-218,-218,-208,-141,-730,-701,-493,-508,-1215,0,0,0,0,0,0,0,0,0,0]} 1. d4 f5 2. c4 Nf6 3. Nf3 g6 4. g3 Bg7 5. Bg2 O-O 6. O-O d6 7. Nc3 c6 8. d5 e5 9. dxe6 Bxe6 10. Qd3 Ng4 11. Ng5 {A88: Dutch Defence: Leningrad System: 5 Nf3 0-0 6 0-0 d6 7 Nc3 c6.} Bc8 12. Qc2 Na6 13. a3 {[#]} Nc5 $146 ({Predecessor:} 13... Qf6 14. Bd2 h6 15. Nh3 Be6 16. b3 Rad8 17. Nf4 Bf7 18. Rad1 Nc7 19. e4 a6 20. exf5 gxf5 {1-0 (41) Pham,M (2479)-Spraggett,K (2591) France 2008}) 14. Nh3 h6 15. Nf4 (15. b4 $11 Ne6 16. Bb2) 15... g5 $17 16. Nd3 Ne6 ({Better is} 16... Nxd3 $17 17. exd3 f4) 17. e3 $11 Qe8 18. Ne2 Qh5 {[%csl Gg4][%cal Rh5h2]} 19. h3 Ne5 20. f4 (20. Nxe5 $11 dxe5 21. Rb1) 20... Ng6 (20... Nxd3 $1 $17 21. Qxd3 Nc5) 21. Bd2 (21. Re1 $14) 21... Qxe2 22. Bf3 {[#]} Nexf4 $2 {[%mdl 8192]} (22... Nd4 $1 $11 23. exd4 Bxd4+ 24. Kh1 Qe7) 23. exf4 $2 (23. gxf4 $18 Qxf1+ 24. Rxf1) 23... Bd4+ 24. Kh1 Qe7 25. Rae1 Qf6 26. fxg5 (26. Bh5 $11) 26... hxg5 $17 27. Qc1 $2 {[%mdl 8192] [#]} (27. Bg2 $15) 27... Qh8 $1 {[%cal Rh8h3]} 28. Kg2 $2 (28. Bg2 f4 29. Bc3) 28... g4 29. hxg4 fxg4 {[%csl Gc8,Gg4][%cal Rh8h3]} 30. Bd5+ cxd5 {[%csl Gc8,Gg4][%cal Rh8h3]} 31. Rxf8+ Nxf8 {[%csl Gc8,Gg4][%cal Rh8h3]} 32. Bh6 {intending Qg5+.} Bf5 (32... Qf6 $142 33. Be3 Bxe3 34. Qxe3 dxc4) 33. Qg5+ $19 {[#]} Bg6 $1 ({Weaker is} 33... Bg7 34. Qxf5 Qxh6 35. Qxd5+ Ne6 36. Qxe6+ Qxe6 37. Rxe6 $14) 34. Re7 Qf6 35. Qxd5+ Kh8 $2 (35... Ne6 $19 36. Rxe6 Bf7 {[%mdl 64] Skewer} 37. Rxf6 Bxd5+ 38. cxd5 Bxf6) 36. Bg7+ $11 Qxg7 $1 37. Rxg7 Bxg7 38. Nf4 Bh7 39. Qxb7 Re8 {Hoping for ...Be4+.} 40. Qxa7 Bxb2 41. a4 Be4+ 42. Kf2 (42. Kf1 $11 {remains equal.}) 42... Kg8 $17 43. a5 Ba3 44. Qc7 Bc5+ 45. Ke1 (45. Kf1 $17) 45... Ng6 $19 46. Nh5 {[%csl Gh5][%cal Rc7g7]} Re7 47. Qb8+ $2 {[%mdl 8192]} (47. Qc8+ $17 Kf7 48. Kd1) 47... Kf7 48. Kd2 Ne5 49. Qh8 {[#]} (49. a6 $142 Bd4 50. Nf4) 49... Nxc4+ $2 ({Black should try} 49... Nf3+ $1 $19 50. Kd1 Bd4) 50. Kc3 $1 $11 {[%cal Rc3c4] The position is equal.} Ne5 {White must now prevent ...Nc6.} 51. Qf6+ $1 Ke8 52. Qh8+ Kf7 {And now ...Nc6 would win.} 53. Qf6+ $1 Ke8 {Threatens to win with ...Kd7.} 54. Qh8+ {What a bad dream for Black. Accuracy: White = 42%, Black = 60%.} 1/2-1/2

[Event "POR-ch 2020"]
[Site "Portimao"]
[Date "2020.09.12"]
[Round "7.1"]
[White "Martins, Bruno Andre Leite"]
[Black "Rocha, Sergio"]
[Result "1/2-1/2"]
[ECO "D00"]
[WhiteElo "2248"]
[BlackElo "2341"]
[Annotator "TA"]
[PlyCount "20"]
[EventDate "2020.09.07"]
[EventType "tourn"]
[EventCountry "POR"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,20,12,0,7,-7,-2,-6,0,-2,5,7,42]} 1. d4 d5 2. Bf4 Nf6 3. e3 c6 4. c3 Bf5 5. Bd3 e6 6. Nf3 {The position is equal.} Bd6 {D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4.} 7. Ne5 Bxd3 8. Qxd3 Nh5 {[#]} 9. Qe2 $146 ({Predecessor:} 9. Bg3 Qe7 10. Nd2 Nd7 11. Nxd7 Qxd7 12. Bxd6 Qxd6 13. O-O O-O 14. c4 dxc4 15. Qxc4 {1-0 (67) Podvrsnik,M (2205)-Kovac,M (2090) Celje 2006}) 9... g6 10. Nd2 Qe7 {An uneventful encounter.} 1/2-1/2

[Event "POR-ch 2020"]
[Site "Portimao"]
[Date "2020.09.12"]
[Round "7.2"]
[White "Diogo, Vasco"]
[Black "Fidalgo, Andre Neves"]
[Result "0-1"]
[ECO "B30"]
[WhiteElo "2207"]
[BlackElo "2268"]
[Annotator "ChessBase"]
[PlyCount "84"]
[EventDate "2020.09.07"]
[EventType "tourn"]
[EventCountry "POR"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:00:00]} c5 {[%emt 0:00:00]} 2. Nf3 {[%emt 0:00:00]} Nc6 {[%emt 0:00:00]} 3. d3 {[%emt 0:01:50]} g6 {[%emt 0:00:00]} 4. g3 {[%emt 0:00:03]} Bg7 {[%emt 0:00:00]} 5. Bg2 {[%emt 0:00:05]} d6 {[%emt 0:00:05]} 6. O-O {[%emt 0:00:08]} Nf6 {[%emt 0:00:06]} 7. Re1 {[%emt 0:00:45]} O-O {[%emt 0:00:39]} 8. c3 {[%emt 0:00:11]} e5 {[%emt 0:00:07]} 9. a3 {[%emt 0:02:12]} h6 {[%emt 0:01:05]} 10. b4 {[%emt 0:00:20]} Be6 {[%emt 0:04:34]} 11. h3 {[%emt 0:03:47]} Qd7 {[%emt 0:01:09]} 12. Kh2 {[%emt 0:00:11]} b6 {[%emt 0:00:49]} 13. Nbd2 {[%emt 0:03:27]} Rad8 {[%emt 0:04:06]} 14. Rb1 {[%emt 0:01:21]} Nh7 {[%emt 0:02:34]} 15. Nf1 {[%emt 0:15:20]} f5 {[%emt 0:11:48]} 16. exf5 {[%emt 0:11:48]} gxf5 {[%emt 0:02:15]} 17. d4 {[%emt 0:07:31]} exd4 {[%emt 0:04:11]} 18. cxd4 {[%emt 0:01:22]} Ba2 {[%emt 0:07:06]} 19. Rb2 {[%emt 0:04:39]} Bf7 {[%emt 0:00:11]} 20. dxc5 {[%emt 0:01:33]} dxc5 {[%emt 0:05:06]} 21. Rd2 {[%emt 0:01:42]} Qc8 {[%emt 0:00:06]} 22. b5 {[%emt 0:02:56]} Nd4 {[%emt 0:05:27]} 23. Nxd4 {[%emt 0:09:37]} cxd4 {[%emt 0:00:46]} 24. Rc2 {[%emt 0:04:14]} Qd7 25. Bc6 Qd6 {[%emt 0:01:36]} 26. Qd3 {[%emt 0:00:40]} Ng5 {[%emt 0:03:10]} 27. Bf4 {[%emt 0:01:02]} Qg6 {[%emt 0:00:11]} 28. Nd2 {[%emt 0:01:58]} Ne6 {[%emt 0:00:25]} 29. Be5 {[%emt 0:01:15]} Nc5 {[%emt 0:02:06]} 30. Qf3 {[%emt 0:07:21]} f4 {[%emt 0:00:51]} 31. Rcc1 {[%emt 0:04:14]} fxg3+ {[%emt 0:00:27]} 32. Bxg3 {[%emt 0:01:12]} Be6 {[%emt 0:05:23]} 33. Qe2 {[%emt 0:00:33]} Qf5 {[%emt 0:01:49]} 34. Rxc5 {[%emt 0:00:22]} Qxh3+ {[%emt 0:01:26]} 35. Kg1 {[%emt 0:00:03]} bxc5 {[%emt 0:00:44]} 36. Qxe6+ {[%emt 0:00:24]} Qxe6 {[%emt 0:00:08]} 37. Rxe6 {[%emt 0:00:03]} d3 {[%emt 0:01:01]} 38. Kf1 {[%emt 0:02:54]} c4 {[%emt 0:01:32]} 39. Re7 {[%emt 0:05:43]} Bf6 {[%emt 0:03:16]} 40. Rxa7 {[%emt 0:02:09]} c3 {[%emt 0:00:09]} 41. Nb3 {[%emt 0:00:53]} d2 {[%emt 0:00:32]} 42. Bf3 {[%emt 0:01:02]} c2 {[%emt 0:00:11]} 0-1

[Event "POR-ch 2020"]
[Site "Portimao"]
[Date "2020.09.12"]
[Round "7.3"]
[White "Veiga, Jose Francisco R P N"]
[Black "Santos, Antonio P"]
[Result "1-0"]
[ECO "B48"]
[WhiteElo "2344"]
[BlackElo "2160"]
[Annotator "TA"]
[PlyCount "79"]
[EventDate "2020.09.07"]
[EventType "tourn"]
[EventCountry "POR"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,79,43,42,52,16,25,8,65,49,52,30,118,129,154,139,133,98,102,100,99,100,103,51,232,253,244,246,242,244,242,231,275,281,482,479,598,443,456,427,546,250,603,129,205,0,0,-23,-26,-127,-120,-114,0,0,0,-30,-29,-505,-496,-399,-82,-730,-397,-635,479,470,1405,1235]} 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e6 5. Nc3 Qc7 6. Be3 a6 7. Qd2 b5 8. O-O-O Bb7 {B48: Sicilian: Taimanov: 5 Nc3 Qc7 6 Be3 a6 without Be2.} 9. f3 Nf6 10. g4 d6 (10... b4 $11 11. Na4 Nxd4 12. Bxd4 (12. Qxd4 d5 $11) 12... d5) 11. g5 Nd7 12. h4 Nc5 {[#]} (12... Nce5 $11 {keeps the balance.}) 13. Bxb5 $146 ({Predecessor:} 13. h5 b4 14. Nce2 Nxd4 15. Nxd4 a5 {1-0 (15) Doknjas,N-Plesca,C Maribor 2012}) 13... axb5 14. Ndxb5 {[%mdl 64] Double Attack} Qd8 15. Bxc5 dxc5 16. Qh2 $36 {[%mdl 2048] White is in control.} Nd4 17. Nc7+ {[%mdl 64] Double Attack} Kd7 18. Nxa8 (18. N3b5 $1 $16 {[%cal Rb5d4]} Kc6 19. c3) 18... Qxa8 $2 (18... Bd6 $14 19. e5 Be7) 19. Nb5 $1 $18 {[%cal Rb5d4]} Kc6 20. c4 $1 {[%csl Gb5][%cal Rh2c7]} (20. Nxd4+ cxd4 21. Kb1 Bd6 $14) 20... Qd8 21. Qe5 {[%cal Rb5d4]} Bd6 22. Qxg7 ({Stronger than} 22. Nxd6 Qxd6 23. Qxg7 Qf4+ 24. Kb1 Qxf3 $17) (22. Nxd4+ $6 cxd4 23. Qxg7 (23. Qb5+ Kc7 $16) 23... e5 $16) 22... Bf4+ 23. Kb1 e5 $2 (23... Rf8 24. Nxd4+ cxd4 25. Rxd4 Qb8) 24. Qxf7 Ba6 25. Nxd4+ cxd4 26. b4 Bc8 27. Rhg1 (27. Rd3 $142) 27... Qd6 $2 (27... Qd7 28. Qf6+ {[%mdl 64] Double Attack} Qd6 29. b5+ Kd7) 28. Qd5+ $2 (28. c5 $18 {is more deadly.} Qe6 29. Qa7) 28... Qxd5 (28... Kc7 $16 {was worth a try.}) 29. cxd5+ $2 (29. exd5+ $18 Kd6 30. Kb2) 29... Kb5 $11 30. h5 Kxb4 31. g6 (31. Rg2 $1 $11) 31... hxg6 32. hxg6 Ba6 ({Better is} 32... Kc3 $1 $17) 33. g7 Rg8 34. Rg2 d3 {And now ...Kc3 would win.} 35. d6 $2 {[%mdl 8192] [#]} (35. Kb2 $11 {and White has nothing to worry.}) 35... Kc3 $1 $19 36. d7 d2 $2 (36... Bc4 $19 {and Black stays clearly on top.} 37. Rb2 Bg5) 37. Rg6 $2 {[%mdl 8192]} (37. d8=Q $17 Rxd8 38. g8=Q Rxg8 39. Rxg8) 37... Bd3+ 38. Ka1 Kc2 $4 {[%mdl 8192] [#]} (38... Be3 $19 {and all is fine.} 39. Rd6 Rd8 40. Rc6+ Bc4) 39. Rb1 $1 $18 {Threatens to win with Rc6+.} Kc3 (39... Be3 $142 40. Rc6+ Bc4 41. Rxc4+ Kd3) 40. Rb3+ {What a fight! Accuracy: White = 51%, Black = 42%.} 1-0

[Event "POR-ch 2020"]
[Site "Portimao"]
[Date "2020.09.12"]
[Round "7.4"]
[White "Sousa, Andre Ventura"]
[Black "Fernandes, Antonio"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "2378"]
[BlackElo "2359"]
[Annotator "TA"]
[PlyCount "221"]
[EventDate "2020.09.07"]
[EventType "tourn"]
[EventCountry "POR"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,221,0,19,3,12,13,14,15,22,11,25,26,38,38,40,31,50,52,54,32,41,31,73,73,70,28,66,28,80,35,71,62,80,48,74,76,82,95,107,63,125,68,88,58,51,0,0,3,18,11,102,98,154,152,207,197,207,207,207,207,207,207,207,207,207,207,207,207,209,209,209,200,200,195,200,195,195,195,195,170,170,179,209,200,209,164,209,179,209,68,92,0,68,70,209,0,141,108,106,106,195,172,209,209,209,209,209,209,209,209,209,208,209,195,195,195,195,195,195,195,195,195,195,171,195,171,172,171,271,271,271,271,271,271,271,271,271,271,271,271,271,271,271,271,271,245,271,271,271,271,271,272,272,221,229,229,229,196,171,102,95,92,613,568,675,642,2443,1912,2150,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,16,2,268,228,1871,715,1376,1560,1376,1398,1120,450,554,518,6531,4025,29979,29980,29980,29981,29981,29982,29982,29983,29983,29984]} 1. e4 c6 2. d4 d5 3. e5 Bf5 4. h4 h5 5. Bd3 Bxd3 6. Qxd3 e6 7. Bg5 {B12: Caro-Kann: Advance Variation.} Be7 8. Nf3 Nh6 9. Bxh6 {The position is equal.} Rxh6 10. Nbd2 Na6 11. a3 c5 12. c3 {[#]} c4 $146 ({Predecessor:} 12... Rc8 13. b4 cxd4 14. cxd4 Kf8 15. Ke2 g6 16. Qb5 Rc7 17. Rac1 Nb8 18. Nb3 a6 {1-0 (59) Sutovsky,E (2625)-David,A (2574) Novi Sad 2016}) 13. Qe3 Nc7 14. Ng5 Rh8 15. Rh3 Qd7 16. Rg3 f6 17. Ngf3 Rh7 18. Kf1 O-O-O 19. Kg1 Kb8 (19... Qa4 $11) 20. Qe1 Bf8 21. Qb1 Rh8 22. a4 Ka8 23. b3 Qc6 24. Rg6 f5 25. Qa2 {[%cal Rb3c4]} Rc8 (25... Qe8 $14 26. Rg3 cxb3 27. Qxb3 f4) 26. Rb1 (26. bxc4 $16 dxc4 27. Nxc4 (27. Qxc4 Qe8 $11)) 26... Rh6 27. Rxh6 gxh6 28. b4 (28. bxc4 $14 dxc4 29. Qxc4 (29. Nxc4 Nd5 $11)) 28... Qd7 $11 29. Nf1 Qf7 30. b5 Ne8 (30... f4 $11) 31. Ng3 $1 $16 Qg6 (31... Ng7 $142) 32. Ne2 Ng7 (32... f4 $16) 33. g3 Be7 34. Nf4 Qf7 35. a5 Rd8 36. Kf1 Kb8 37. Qd2 Kc8 38. Ne1 Kd7 39. Neg2 Ke8 40. Ne3 Kf8 41. Nd1 Kg8 42. Qe2 Kh7 43. Nb2 Rc8 44. Na4 Qe8 45. Qc2 Kg8 46. Kg1 Qf7 47. Kh2 Qe8 48. Kh3 Qf7 49. Qd2 Kh7 50. Ne2 (50. Qb2 $18) 50... Qg6 $1 $14 51. Rf1 {[#]} ({White should try} 51. Qf4 $16) 51... Qe8 (51... Bxh4 $1 $11 {[%mdl 512]} 52. gxh4 Qg4+ 53. Kh2 Qxh4+ 54. Kg2 Qg4+ 55. Kh2 Qh4+ 56. Kg1 Qg4+ 57. Kh2 Qh4+) 52. Qb2 $1 Qg6 (52... b6 $14) 53. Qc2 $2 {[#]} (53. b6 $18 a6 54. Nf4) 53... Kg8 (53... Bxh4 $1 $11 {[%mdl 512] remains equal.} 54. Nf4 (54. gxh4 Qg4+ 55. Kh2 Qxh4+ 56. Kg2 Qg4+ 57. Kh2 Qh4+ 58. Kg2 Qg4+ 59. Kh2 Qh4+ $11) 54... Qg4+ 55. Kg2 Be7) 54. Nf4 Qe8 55. Qb2 Kh7 (55... b6 $16) 56. Ra1 Qd8 57. Qb1 Qe8 58. Ra2 Qf7 59. Kg2 Kg8 60. Kf1 Kh7 61. Ke1 Kg8 62. Nb2 Qe8 63. Nd1 Qf7 64. Ne3 Bd8 65. Nc2 Qe8 66. Qb4 Be7 67. Qa4 Kh7 68. Nb4 Rd8 69. Kd2 Qf8 (69... Rb8 $142 70. Nc2 Kg8) 70. a6 $18 b6 {Black hopes to continue with ...Bxb4.} 71. Nc6 {[%mdl 64] Double Attack} Rd7 72. Qd1 Qe8 73. Qf3 Bf8 74. Ra1 Rc7 75. Re1 Rd7 76. Kc2 Kg8 77. Rg1 Kh7 78. Kb1 Qf7 79. Qd1 Rc7 80. Qc2 Kg8 81. Rf1 Qe8 82. f3 Qf7 83. Qg2 Be7 84. Ka1 Qe8 85. g4 ({White should play} 85. Kb2 $18) 85... fxg4 $16 86. fxg4 {Threatens to win with Nxh5.} hxg4 $2 {[%mdl 8192]} (86... Bxh4 $16 87. gxh5 Bg5) 87. Qxg4 $18 Rxc6 {[#]} 88. Rg1 $1 {[%csl Gg1][%cal Rg4g7][%mdl 512]} Bf8 89. Nh5 Qe7 90. Qxg7+ $2 (90. Kb1 $18 Qa3 91. bxc6 Qb3+ 92. Kc1 $1 {[%mdl 512]} Qxc3+ 93. Kd1 $1 {[%mdl 512]}) 90... Bxg7 $11 91. Rxg7+ Qxg7 92. Nxg7 $18 {[%mdl 4096] Endgame KR-KN} Rc8 93. Nxe6 Kf7 94. Nf4 Rd8 95. Kb2 Ke7 96. Kc2 Rd7 97. Kd2 Kf8 98. Ke3 Kg7 99. Kf3 Rf7 $2 {[%mdl 8192]} (99... Kf8 $1 $11 {and Black has nothing to worry.}) 100. Kg4 Rd7 $2 (100... Kf8 101. Nxd5 Rf2) 101. Nh5+ (101. e6 $142 Rd8 102. Kf5) 101... Kf8 102. Kf5 Rf7+ {[#]} 103. Nf6 $1 Ke7 104. Kg6 (104. h5 $142 Rf8 105. Kg6) 104... h5 105. Nxd5+ Ke6 (105... Kf8 $142 106. Kxh5 Rg7) 106. Nf6 Rf8 107. d5+ {White mates.} Kxe5 108. Nd7+ {[%mdl 64] Double Attack} Kxd5 109. Nxf8 Ke4 110. Nd7 Kd3 {[#]} 111. Nxb6 $1 {[%mdl 64] Promotion. Accuracy: White = 75%, Black = 60%.} 1-0

[Event "POR-ch 2020"]
[Site "Portimao"]
[Date "2020.09.12"]
[Round "7.5"]
[White "Dias, Paulo"]
[Black "Reis, Luis Sousa"]
[Result "1-0"]
[ECO "C88"]
[WhiteElo "2341"]
[BlackElo "2154"]
[Annotator "TA"]
[PlyCount "137"]
[EventDate "2020.09.07"]
[EventType "tourn"]
[EventCountry "POR"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,137,0,0,0,0,0,1,0,0,0,0,0,0,-103,-85,-71,-48,-56,-42,-76,-62,-118,-106,-131,-114,-229,-223,-215,0,0,0,0,0,0,0,0,0,-16,-21,0,47,37,56,20,8,14,14,14,8,0,20,20,47,38,39,39,45,46,39,39,47,47,47,47,50,18,40,0,48,51,157,157,157,157,157,150,139,8,30,4,3,7,8,8,8,8,8,8,61,61,66,43,47,25,40,52,110,110,29978,29979,29979,29980,29980,29981,29981,29982,29986,29987,29987,29984,29988,29989,29989,29990,29990,29991]} 1. e4 Nc6 2. Nf3 e5 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Be7 7. Re1 O-O 8. d4 Nxd4 9. Nxd4 exd4 10. e5 Ne8 11. Qxd4 c5 12. Qe4 Rb8 13. c4 {C88: Closed Ruy Lopez: Anti-Marshall Systems.} Bb7 14. Qe2 d6 15. Bf4 {[#] The position is equal.} bxc4 $146 ({Predecessor:} 15... dxe5 16. Bxe5 Bd6 17. Nc3 b4 18. Na4 Qc7 19. Rad1 Rc8 20. Qh5 Qc6 21. Qh3 f5 {1-0 (40) Ivanov,A (2525)-Drkulec,V Chicago 1993}) 16. Bxc4 d5 17. Rd1 Nc7 18. Bg3 (18. Nc3 $11 {keeps the balance.}) 18... Ne6 19. Bd3 Qb6 20. b3 $1 Qb4 21. Nd2 a5 22. Rac1 (22. Qf1 $15) 22... a4 $17 23. Rb1 axb3 24. Rxb3 (24. axb3 $17 {was worth a try.} Ra8 25. Nf1) 24... Qa5 $19 25. Rdb1 Nd4 $2 {[#]} (25... Qc7 $19 26. Bf5 c4) 26. Bxh7+ $1 $11 {[%mdl 512]} Kxh7 27. Qd3+ Kg8 28. Rxb7 Rxb7 29. Rxb7 Bg5 30. Nf3 Nxf3+ 31. gxf3 Qxa2 (31... c4 $5 {[%cal Rc4d3]} 32. Qf5 Qa6 $11) 32. Qf5 Bh6 33. Rc7 Qc4 34. e6 fxe6 35. Qxe6+ Kh7 $1 $132 {[%mdl 2048] Black has counterplay} 36. Qd6 Ra8 {( -> ...Ra1+)} 37. Qe5 Qc1+ 38. Kg2 {And now Qf5+ would win.} Qg5 39. Rxc5 Qxe5 $1 40. Bxe5 $14 {[%mdl 4096] Endgame KRB-KRB} Rd8 41. Bd4 Kg6 42. Rc7 Kf5 43. h4 Rd6 44. Kf1 Kg6 45. Kg2 Kf5 46. Re7 Rd8 ({Black should play} 46... Rc6 $14) 47. Re5+ $16 Kg6 48. Kg3 Kf7 49. Kg4 g6 {aiming for ...Bg7.} 50. Re1 (50. h5 $1 $16) 50... Ra8 {Threatens to win with ...Ra4.} 51. Bc5 (51. Rd1 {seems wilder.} Bf8 52. Bb6 Ke6 53. Re1+ Kf7 54. f4) 51... Ra4+ 52. Kh3 Rc4 53. Bd6 Rc6 54. Be5 Re6 55. Kg4 Ra6 (55... Bg7 $11 56. f4 Re8) 56. f4 $14 Bf8 57. Rc1 Bd6 58. Rc8 Ke6 59. Re8+ Kf7 {[#]} ({Better is} 59... Be7 $14) 60. Rd8 $1 $16 {[%cal Rd8d6]} Ke6 $2 {[%mdl 8192]} (60... Be7 $16 61. Rxd5 Ra2) 61. Rxd6+ {[%mdl 64] Overworked Piece. White mates.} Rxd6 62. Bxd6 Kxd6 {[#]} 63. f5 $1 {[%cal Rf5g6]} ({Weaker is} 63. Kg5 d4 $11) 63... gxf5+ 64. Kxf5 {KPP-KP} Kc5 65. h5 d4 66. Ke4 Kc4 67. h6 d3 68. Ke3 Kc3 69. h7 {A wild game. Accuracy: White = 77%, Black = 80%.} 1-0

[Event "POR-ch 2020"]
[Site "Portimao"]
[Date "2020.09.13"]
[Round "8.1"]
[White "Rocha, Sergio"]
[Black "Reis, Luis Sousa"]
[Result "1/2-1/2"]
[ECO "D34"]
[WhiteElo "2341"]
[BlackElo "2154"]
[Annotator "TA"]
[PlyCount "178"]
[EventDate "2020.09.07"]
[EventType "tourn"]
[EventCountry "POR"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,178,6,33,6,27,0,31,0,0,0,0,-34,-27,-33,-34,-34,-30,-32,-36,-30,-27,-35,-8,-20,-11,-20,-7,-15,-12,-14,-10,-28,-27,-31,-30,-51,-29,-29,-14,-16,-2,-45,-2,-40,-17,-35,-35,-47,-35,-35,-32,-35,-40,-43,-30,-25,-15,-16,-16,-16,-16,-38,-38,-39,-39,-41,-39,-41,-39,-37,-9,-27,-37,-29,-43,-40,-27,-28,-35,-37,614,588,614,575,1010,852,1183,1183,1175,1175,1167,1137,1140,1025,788,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. d4 c5 5. cxd5 exd5 6. Bg2 Nc6 7. O-O Be7 8. Nc3 O-O 9. Bg5 Be6 10. Rc1 c4 11. Ne5 Rc8 12. Nxc6 {D34: Tarrasch Defence: 6 g3 Nf6 7 Bg2 Be7.} bxc6 13. Na4 Qa5 14. Bxf6 {White is slightly better.} Bxf6 15. b3 {[#]} Be7 $146 ({Predecessor:} 15... Rfd8 16. e3 Be7 17. Qc2 c5 18. dxc5 Bxc5 19. Nxc5 Qxc5 20. Rfd1 {½-½ (21) Kamenskaja,O (2241)-Kolganova,N (2139) Slaviansk na Kubani 2002}) 16. Qc2 {[%cal Rb3c4]} c5 17. Qc3 Qxc3 18. Nxc3 cxd4 19. Nxd5 Bxd5 20. Bxd5 c3 21. Rfd1 Bc5 22. Rd3 Rfd8 23. Bc4 Kf8 24. Kf1 Ba3 25. Rc2 Bb2 26. Rf3 Rc7 27. Rf5 Rd6 28. Bd3 h6 29. h4 Ke7 30. Bc4 f6 31. Ke1 Kd7 32. Kd1 Kc6 33. a4 Re7 34. Ra5 Kb7 35. Rb5+ $1 Kc8 36. Rc5+ Kb8 37. Bd3 Re5 38. Rc4 a5 39. b4 axb4 40. Rxb4+ Ka7 41. Rbxb2 cxb2 42. Rxb2 $11 {[%mdl 4096] Endgame KRR-KRB} Rc5 43. Kd2 Rb6 44. Bb5 $1 Rf5 45. f3 g5 46. hxg5 Rxg5 47. g4 f5 48. gxf5 $1 h5 49. Rb1 Rxf5 50. Rh1 $1 Rfxb5 $2 {[%mdl 8192]} (50... Rh6 $15) 51. axb5 $18 Rxb5 $15 {KR-KR} 52. Kd3 Re5 53. Rh2 Kb6 54. Kxd4 Ra5 55. e4 Kc6 56. Rg2 Kd6 57. Rg6+ Ke7 58. f4 $2 (58. Ke3 $18 {Black must now prevent Kf4.} Kf7 59. Rc6) 58... Ra4+ $11 {The position is equal.} 59. Ke3 {[#] Strongly threatening f5.} Ra3+ 60. Kf2 Ra4 61. Kf3 Ra3+ 62. Kg2 {aiming for e5.} Ra4 63. Kg3 {[#] Threatens to win with e5.} Rxe4 64. Rh6 Kf7 65. Rxh5 Kg6 66. Rh1 Kf5 67. Rh5+ Kg6 68. Rh8 Re1 69. Rf8 Rg1+ 70. Kf2 {Intending Rg8+ and mate.} Ra1 71. Kg2 Rb1 72. Kh2 Rf1 73. Kh3 Rh1+ 74. Kg3 Rg1+ 75. Kf2 {Threatening mate with Rg8+.} Ra1 76. Rb8 Kf5 77. Rf8+ Kg6 78. Re8 Kf5 79. Kf3 Rf1+ 80. Kg3 Rg1+ 81. Kf3 Rf1+ 82. Kg3 Rg1+ 83. Kf2 Rg4 84. Ke3 Rg3+ 85. Kf2 Rg4 86. Rf8+ Ke4 87. f5 Rf4+ 88. Kg3 {White wants to mate with Re8+.} Rxf5 89. Rxf5 Kxf5 {Blacks defense is rewarded with a draw. Accuracy: White = 91%, Black = 83%.} 1/2-1/2

[Event "POR-ch 2020"]
[Site "Portimao"]
[Date "2020.09.13"]
[Round "8.2"]
[White "Fernandes, Antonio"]
[Black "Dias, Paulo"]
[Result "1/2-1/2"]
[ECO "A05"]
[WhiteElo "2359"]
[BlackElo "2341"]
[Annotator "TA"]
[PlyCount "206"]
[EventDate "2020.09.07"]
[EventType "tourn"]
[EventCountry "POR"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,206,12,19,-26,28,40,27,20,36,-7,45,43,56,50,42,39,47,39,52,21,33,22,31,23,17,10,0,3,34,18,18,29,19,-59,-47,-59,-65,-63,-59,-74,-76,-68,0,0,0,0,0,-59,-70,-81,-91,-87,-21,-22,-19,-14,-14,-28,-39,-46,-36,-45,-43,-56,-26,-61,0,0,0,0,0,0,0,0,0,0,0,-10,-10,-10,4,12,16,16,16,16,18,18,51,27,27,16,24,20,127,127,127,127,127,127,127,127,127,127,208,208,208,208,208,127,127,127,127,127,127,127,127,127,127,127,127,0,127,127,127,127,127,127,127,127,127,127,127,127,127,127,127,127,127,0,0,0,127,127,127,127,127,127,127,127,127,127,127,0,127,127,127,127,127,127,131,12,104,15,16,0,0,0,0,0,0,0,0,0,0,0,8,8,8,8,12,8,8,8,8,0,0,0,0,0,0,0,0,0,0]} 1. Nf3 Nf6 2. g3 d5 3. Bg2 e6 4. O-O Be7 5. d4 b6 6. c4 O-O 7. Ne5 Bb7 8. Qa4 {E06: Closed Catalan: Early deviations.} Nfd7 (8... c5 $142) 9. cxd5 $11 exd5 10. Nc3 {White has an edge.} c6 11. Rd1 {[#]} b5 $146 (11... Nxe5 $11 12. dxe5 Nd7) ({Predecessor:} 11... f5 12. Qb3 Nf6 13. Bh3 Nfd7 14. Bg2 Nf6 15. Bg5 Kh8 16. Rac1 Nbd7 17. Bxf6 Bxf6 18. f4 {1-0 (52) Bitoon,R (2430)-Lioe,D (2387) Jakarta 2012}) 12. Qc2 $14 b4 13. Nxd7 Nxd7 14. Na4 Re8 15. b3 Bf8 16. Be3 Rc8 17. Rac1 g6 18. Qd2 Ba6 19. Bf3 Bb5 20. Nb2 Nf6 21. Bg5 Qd6 22. Bxf6 Qxf6 23. Bg4 (23. h4 $11) 23... h5 $1 $15 {[%cal Rh5g4]} 24. Bxc8 {Threatens to win with Nd3.} Rxe2 {[%mdl 64] ( -> ...Qxf2+). Double Attack} 25. Qf4 Qxf4 26. gxf4 {And now Nd3 would win.} Rxb2 27. Bd7 Bd6 (27... Be2 $15 28. Re1 Bg7 29. Bxc6 Bxd4 30. Bxd5 Bc3) 28. Bxc6 $11 Be2 29. Re1 Bf3 $1 30. Bb7 ({White should play} 30. f5 $11) 30... Rxa2 31. Rc8+ Kg7 32. Rd8 {[#]} Bxf4 ({Better is} 32... Be7 $1 $17 {[%cal Re7d8][%mdl 512]} 33. Bxd5 (33. Rxe7 Ra1+) 33... Bxd8 34. Bxf3 Rb2) 33. Bxd5 Bd2 34. Rb1 Bg4 35. Re8 Bc3 36. Re7 Bxd4 37. Rxf7+ Kh6 38. Rf4 Rd2 39. Re1 Bxf2+ (39... g5 $15 40. Rf7 Kg6) 40. Rxf2 Rxd5 $15 {[%mdl 4096] Endgame KRR-KRB} 41. Ra2 Bd1 42. Rxa7 Bxb3 43. Rb1 Rg5+ 44. Kf2 Bd5 45. Ra5 Rg2+ 46. Ke3 Bf7 47. Rf1 Ba2 (47... Bc4 {seems wilder.} 48. Rf2 Rxf2 49. Kxf2 b3 50. Ra4 Bf7) 48. Rf2 Rxf2 49. Kxf2 $11 {KR-KB} Be6 50. Ra6 Bd5 51. Rd6 {[%mdl 1024] White has compensation.} Bf7 52. Rb6 b3 53. h4 Kg7 (53... b2 $1 $11) 54. Kg3 Kf8 55. Kf4 Kg7 56. Kg5 Kh7 {[#]} 57. Rb7 $1 {[%mdl 512]} Kg7 58. Rd7 b2 (58... Kg8 $16 59. Kf6 b2) 59. Rb7 $18 b1=Q 60. Rxb1 Bd5 61. Rd1 Be6 62. Rc1 {Hoping for Rc7+.} Bf5 63. Rc7+ Kg8 64. Kh6 Kf8 65. Rg7 Be4 66. Rh7 Kg8 67. Rg7+ Kf8 68. Rd7 Bf5 69. Ra7 Kg8 70. Kg5 Kf8 71. Kf6 {White wants to mate with Ra8+.} Kg8 72. Rc7 Be4 73. Rg7+ Kh8 74. Kf7 Bf5 75. Kf8 Bc2 76. Rg8+ Kh7 77. Rg7+ Kh8 $1 78. Rc7 Bf5 79. Kf7 Kh7 80. Kf6+ Kg8 81. Kg5 Kf8 82. Rh7 Kg8 83. Kh6 (83. Re7 $16) 83... Kf8 (83... Be4 $1 $11 {keeps the balance.}) 84. Rh8+ $16 Kf7 85. Ra8 Be4 86. Rb8 Bf5 {[#]} 87. Kh7 (87. Kg5 $1 $16) 87... Kf6 {[#]} (87... g5+ $1 $11 {remains equal.} 88. Kh6 {[%mdl 64] Double Attack} gxh4) 88. Rf8+ (88. Rb6+ $1 $16 Ke5 89. Kg7) 88... Ke5 $11 {The position is equal.} 89. Kg7 Kf4 90. Rb8 Kg3 91. Rb4 Bg4 92. Rb3+ Kxh4 {Threatening ...Kg5.} 93. Kxg6 Bd1 94. Rc3 (94. Ra3 {with more complications.} Kg4 95. Ra1 Bc2+ 96. Kh6 h4 97. Rg1+) 94... Bg4 95. Kf6 Bd7 96. Ke5 Kg5 97. Rc7 Bf5 98. Rg7+ Bg6 99. Rg8 h4 100. Rh8 Kg4 101. Rg8 Kg5 102. Rh8 Kg4 103. Rg8 Kg5 {White really could win this. Accuracy: White = 86%, Black = 83%.} 1/2-1/2

[Event "POR-ch 2020"]
[Site "Portimao"]
[Date "2020.09.13"]
[Round "8.3"]
[White "Santos, Antonio P"]
[Black "Sousa, Andre Ventura"]
[Result "0-1"]
[ECO "D86"]
[WhiteElo "2160"]
[BlackElo "2378"]
[Annotator "TA"]
[PlyCount "130"]
[EventDate "2020.09.07"]
[EventType "tourn"]
[EventCountry "POR"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,130,21,39,3,29,23,44,0,44,38,56,55,55,38,63,40,56,23,29,21,47,40,58,56,64,26,43,52,51,37,34,35,37,47,54,65,226,172,339,312,335,336,311,282,262,261,221,203,191,181,93,70,58,0,10,9,18,-99,-93,-93,-82,-103,-99,-95,-97,-167,-144,-238,-119,-120,0,-238,-228,-285,-97,-120,0,-276,-202,-266,-246,-308,-314,-298,-165,-186,-151,-220,-143,-240,-250,-248,-248,-252,-235,-210,-156,-166,-137,-159,-239,-199,-170,-952,-715,-750,-689,-12845,-12845,-12846,-12846]} 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Bc4 c5 8. Ne2 O-O 9. O-O Nc6 10. Be3 Bg4 11. f3 Bd7 $1 {[%mdl 4] is more profitable than 11...Na5 at the moment. Played by Ian Nepomniachtchi in August 2020.} 12. Qd2 {D87: Exchange Grünfeld: Classical Line: Variations without ...cxd4.} Qc7 13. Rac1 Rad8 {[#]} 14. Bf4 $146 {White is slightly better.} ({Predecessor:} 14. Bd3 Bc8 15. f4 cxd4 16. cxd4 Qa5 17. Qxa5 Nxa5 18. d5 b6 19. Rc7 f5 20. Rfc1 fxe4 21. Bxe4 {1-0 (45) Vishnu,P (2493)-Belov,V (2598) Moscow 2019}) 14... Qc8 15. Bh6 b6 16. Bxg7 Kxg7 17. Bd3 Na5 18. Qe3 Qc7 19. d5 c4 20. Bc2 e5 21. dxe6 Bxe6 22. f4 Rfe8 23. Qf3 Kh8 24. f5 gxf5 25. exf5 Bd5 26. Qh5 Rg8 27. Rf2 {f6 is the strong threat.} Qe5 28. Nf4 Nc6 $2 (28... Qe3 $14 29. Rb1 Be4 30. Bxe4 Qxe4) 29. Rd1 f6 $2 (29... Bxg2 30. Nxg2 Rxd1+ 31. Bxd1 (31. Qxd1 Qxc3 32. f6 Qe5 $16) 31... Qe1+ 32. Rf1 Qd2) 30. Qh6 $18 {Threatens to win with Ng6+.} Bf7 {Black wants to play ...Rxd1+.} 31. Rxd8 Nxd8 32. Ng6+ Bxg6 33. fxg6 {[%csl Gc2,Gg6][%cal Rh6h7]} Rg7 34. Qd2 Nc6 35. Re2 ({Much less strong is} 35. gxh7 $6 Re7 $16) 35... Qc5+ 36. Kh1 {Intending Re8+ and mate.} hxg6 37. Re8+ Kh7 {With the idea ...Re7.} 38. Qe1 {Threatening mate with Qh4+.} Qg5 39. h3 (39. h4 $11 {was the only way to keep the balance.} Qf4 40. h5) 39... Ne5 $17 40. Qe4 Rd7 41. Kh2 Kg7 $1 42. Ba4 Rc7 43. Qa8 (43. Bc2 $17) 43... Qf4+ $19 44. Kh1 (44. Kg1 $17 {was necessary.}) 44... Qc1+ ({Black should play} 44... Kh6 $1 $19 {Strongly threatening ...Rh7.} 45. Rd8 Re7 46. Rh8+ Kg5) 45. Kh2 $17 Qf4+ (45... Nf7 $1 $17 46. Rg8+ Kh7) 46. Kh1 $19 Kh6 $1 47. Qd5 Qf1+ (47... Rc5 $19 {has better winning chances.} 48. Qd6 Nd3 49. Qxf4+ (49. Rh8+ $2 Kg5 $19) 49... Nxf4) 48. Kh2 $17 Qf4+ $2 $40 {[%mdl 128] Black attacks.} (48... Qd3 $17 49. Qd8 Qxd8 50. Rxd8 Nd3) 49. Kh1 $19 Rh7 50. Qd4 Kg5 51. Qxf4+ Kxf4 {[%mdl 4096] Endgame KRB-KRN} 52. Re6 Kf5 (52... Kg3 $142 53. Rxf6 Rh4) 53. Rd6 Rc7 54. Bc2+ (54. g3 $17 {is a better defense.}) 54... Kg5 55. Kh2 {[#]} (55. g3 $17) 55... Rd7 $1 {[%cal Rd7d6]} 56. Rxd7 Nxd7 {KB-KN} 57. Kg3 f5 58. h4+ Kf6 59. Kf4 Nc5 60. g3 b5 {[%cal Bb6b5,Bb5b4][%mdl 32]} 61. Kf3 Ke5 {White must now prevent ...Ne4.} 62. g4 $2 (62. Ke3) 62... fxg4+ {Black is clearly winning.} 63. Kxg4 {[#]} Ne4 $1 64. Bxe4 Kxe4 65. Kg5 {[#]} b4 $1 {[%mdl 512] Quite a comeback for Black. Accuracy: White = 54%, Black = 68%.} 0-1

[Event "POR-ch 2020"]
[Site "Portimao"]
[Date "2020.09.13"]
[Round "8.4"]
[White "Fidalgo, Andre Neves"]
[Black "Veiga, Jose Francisco R P N"]
[Result "1/2-1/2"]
[ECO "E67"]
[WhiteElo "2268"]
[BlackElo "2344"]
[Annotator "TA"]
[PlyCount "116"]
[EventDate "2020.09.07"]
[EventType "tourn"]
[EventCountry "POR"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,116,69,47,29,31,52,60,66,39,49,30,58,56,64,48,130,26,27,22,25,27,45,30,44,40,54,2,24,12,47,0,9,6,39,0,0,0,13,29,85,59,68,0,0,0,0,0,48,34,110,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,4,0,0]} 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 O-O 5. g3 d6 6. Bg2 Nbd7 7. O-O c5 8. e4 a6 9. Re1 cxd4 {E67: King's Indian: Fianchetto: 6...Nbd7.} 10. Nxd4 e6 {[#]} 11. b3 $146 ({Predecessor:} 11. Nc2 Qc7 12. Ne3 Rb8 13. Bf1 b6 14. f4 Bb7 15. Bg2 Rfd8 16. Bd2 Rbc8 17. b4 {½-½ (39) Brkic,A (2331)-Sertic,R (2118) Pula 2001}) 11... Qc7 {White is slightly better.} 12. Bb2 Rb8 13. h3 Rd8 14. Rc1 Qb6 15. Na4 Qa7 {[#]} (15... Qc7 $1 $14) 16. b4 (16. Nxe6 $1 $16 fxe6 17. Qxd6) 16... Nb6 17. c5 Nxa4 18. Qxa4 Bd7 19. Qa3 dxc5 20. bxc5 Rbc8 21. Qa5 ({Better is} 21. e5 $14 Ne8 22. Qa5) 21... Be8 22. Nb3 Bc6 23. Nd4 Be8 $1 24. Nf3 Bc6 (24... Nd7 $5 {[%cal Rg7b2]} 25. Bxg7 Kxg7 $11) 25. Nd4 Be8 26. Nb3 Qb8 27. Qb4 Nd7 (27... e5 $11) 28. Bxg7 $16 Kxg7 29. Na5 (29. e5 $1 $14) 29... Ne5 {White must now prevent ...Nd3.} 30. Red1 Rxd1+ 31. Rxd1 Nc6 32. Qb2+ Kg8 {[#]} (32... e5 $14 33. Nc4 (33. Nxb7 Na5 $15) 33... f6) 33. Nxb7 ({White must play} 33. Nc4 $1 $16) 33... Na5 {The position is equal.} 34. e5 {aiming for Qb6.} Nxb7 35. Qxb7 Qxb7 36. Bxb7 Rxc5 $11 {[%mdl 4096] Endgame KRB-KRB} 37. Rd8 Kf8 38. Rc8 Rxc8 39. Bxc8 {KB-KB} a5 40. f4 Ke7 41. Kf2 Kd8 42. Ba6 Kc7 43. Ke3 $1 Kb6 44. Bd3 Kc5 45. a3 Bb5 46. Bc2 Kc4 {next ...Kc3 is good for Black.} 47. Bd3+ Kc5 48. Bc2 Bc4 49. Ba4 Bb5 50. Bc2 Bf1 51. h4 Bg2 52. Bd3 Bd5 53. Be2 Bb3 54. Bd3 h6 55. g4 Bd1 56. g5 hxg5 57. hxg5 Bg4 58. Bc2 Kb5 {Accuracy: White = 80%, Black = 85%.} 1/2-1/2

[Event "POR-ch 2020"]
[Site "Portimao"]
[Date "2020.09.13"]
[Round "8.5"]
[White "Martins, Bruno Andre Leite"]
[Black "Diogo, Vasco"]
[Result "1-0"]
[ECO "A45"]
[WhiteElo "2248"]
[BlackElo "2207"]
[Annotator "TA"]
[PlyCount "52"]
[EventDate "2020.09.07"]
[EventType "tourn"]
[EventCountry "POR"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,52,45,44,10,26,4,7,-6,57,3,98,15,55,54,79,27,25,39,134,137,149,152,143,123,237,235,233,214,268,250,253,271,246,275,561,544,584,547,584,578,568,551,565,478,1460]} 1. d4 Nf6 2. Bf4 g6 3. Nc3 Bg7 4. e4 d6 5. Qd2 c6 6. O-O-O {B07: Pirc Defence: Miscellaneous Systems.} b5 7. f3 b4 8. Nce2 {The position is equal.} Nbd7 ({Black should try} 8... Qb6 $11) 9. g4 {[#]} (9. Qxb4 $14 Qb6 10. Qxb6 axb6 11. Kb1) 9... h6 $146 (9... Qa5 $11) ({Predecessor:} 9... Qb6 10. Bh6 Bxh6 11. Qxh6 c5 12. Nh3 Bb7 13. Kb1 O-O-O 14. Ng5 Rdf8 15. dxc5 Qxc5 {0-1 (44) Veselinov,R (1965)-Mastronardi,D (2062) ICCF email 2011}) 10. h4 ({White should play} 10. Qxb4 $16 Rb8 11. Qa3) 10... a5 11. Ng3 Nb6 12. g5 (12. h5 $16) 12... hxg5 $11 13. hxg5 Nh5 (13... Nh7 $14) 14. Nxh5 $1 $16 gxh5 15. Nh3 Be6 16. Kb1 $1 Na4 {[#]} (16... Qd7 $16) 17. Be3 $1 $18 Rb8 {[#]} 18. Ka1 $1 Qb6 19. Nf4 Bxa2 20. Kxa2 b3+ 21. Ka1 {aiming for c3.} Nxb2 $2 (21... bxc2 {was worth a try.} 22. Qxc2 Qxb2+ 23. Qxb2 Rxb2) 22. Rb1 {White is clearly winning.} bxc2 23. Qxc2 Bxd4 24. Bxd4 Qxd4 25. Ne2 Qe3 {[%cal Re3a3]} 26. Qc3 Qb6 {Accuracy: White = 70%, Black = 40%.} (26... Qxc3 $142 27. Nxc3 Kf8 28. Rxb2 Kg7) 1-0

[Event "POR-ch 2020"]
[Site "Portimao"]
[Date "2020.09.14"]
[Round "9.1"]
[White "Diogo, Vasco"]
[Black "Rocha, Sergio"]
[Result "1-0"]
[ECO "B10"]
[WhiteElo "2207"]
[BlackElo "2341"]
[Annotator "TA"]
[PlyCount "167"]
[EventDate "2020.09.07"]
[EventType "tourn"]
[EventCountry "POR"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,167,-20,0,0,19,0,0,0,6,-2,0,-56,-11,-54,-12,-11,-11,-17,0,-18,0,0,11,9,17,0,10,-37,-22,-35,-46,-56,-47,-97,8,0,0,0,0,0,0,-11,-17,-59,39,0,33,12,59,8,29,18,38,38,43,37,35,36,108,114,150,150,190,170,194,133,150,126,173,160,171,103,231,233,251,223,220,214,253,108,319,288,282,315,659,652,822,818,1294,963,853,695,695,688,656,618,616,0,611,581,1047,1037,828,803,679,657,658,627,405,0,563,549,328,1501,1072,1031,29984,29985,29985,0,29983,0,29985,29982,29981,29980,29979,29980,29979,29980,29986,29985,29985,29986,29978,1235,29994,5631,2611,1074,1071,1070,945,754,29973,29973,6087,6295,5531,5531,3134,2578,29989,29990,29990,29991,29998,29998,29998,29999]} 1. e4 c6 2. d3 d5 3. Nd2 e5 4. Ngf3 Bd6 5. g3 Ne7 6. Bg2 {B10: Caro-Kann: 2 d3 and 2 c4.} f6 7. O-O d4 {[#]} 8. c3 $146 {The position is equal.} ({Predecessor:} 8. Ne1 Be6 9. f4 Nd7 10. Bh3 Bxh3 11. Qh5+ Ng6 12. Qxh3 Qe7 13. f5 Ngf8 14. Nc4 {1-0 (35) Bravo Gonzalez,R (1999)-Janiga,G (1945) ICCF email 2014}) 8... c5 $1 9. Qb3 Nbc6 10. a4 (10. cxd4 $11 cxd4 11. Nc4) 10... Bg4 (10... Na5 $5 {[%cal Ra5b3]} 11. Qa2 Nec6 $15) 11. cxd4 cxd4 (11... Na5 $5 {[%cal Ra5b3]} 12. Qa2 cxd4 $15) 12. Nc4 Be6 13. Bd2 O-O 14. Rfc1 Qd7 15. a5 h6 16. Nh4 Rab8 17. Nf5 Bc7 18. g4 Kh7 19. Qa3 Ng6 20. b4 a6 21. Nb6 Qd8 (21... Bxb6 $1 $17 22. axb6 Nf4 23. Bxf4 exf4) 22. Nd5 $11 Bd6 23. Qa4 Na7 24. Qd1 Nb5 25. Rc2 Ne7 26. Qf3 Ng8 ({Better is} 26... Nxd5 $15 27. exd5 Bxf5 28. Qxf5+ g6) 27. Rac1 Rf7 28. h4 g6 29. Ng3 (29. Nxd6 $14 Qxd6 30. Qg3) 29... Qd7 30. Bh3 Rbf8 31. Nb6 Qe7 32. h5 $36 {[%mdl 2048] White is more active.} g5 $1 33. Nf5 Bxf5 (33... Qd8 $14) 34. exf5 $16 Rd8 35. Bg2 $1 Qf8 36. Rc4 Bb8 37. Qd1 (37. Rc8 $18 {aiming for Rxd8.} Nd6 38. Rxd8 Qxd8 39. Qd5) 37... Nd6 38. Rc5 Ne7 39. Qb3 Kg7 40. Qe6 ({White should play} 40. R5c2 $18) 40... Nc6 (40... e4 $16 {might work better.}) 41. Bxc6 $18 bxc6 42. Rxc6 Re7 43. Qb3 e4 {[#]} 44. Nd5 (44. Na4 $1 $18 {and the rest is easy.}) 44... Re5 $2 {[#]} (44... Qf7 $16) 45. Nc7 $1 {[%cal Rc7e6]} (45. Rxa6 Qf7 $11) 45... Bxc7 46. Rxc7+ Re7 $2 (46... Kh8 47. R7c6 Ra8 48. dxe4 Nxe4) 47. Qe6 Rxc7 48. Rxc7+ Nf7 49. dxe4 Re8 50. Qd5 Re7 51. Rxe7 Qxe7 52. Qxd4 Ne5 {And now ...Nf3+ would win.} 53. Kf1 $2 (53. Kg2 $18) 53... Qb7 $2 {[%mdl 8192]} (53... Nf3 $11 54. Qc3 (54. Qd5 Qxe4 55. Qd7+ Kh8 $11) 54... Qxe4) 54. Bc3 Nxg4 55. Qd5 Qc7 56. Qc5 Qh2 57. Qe7+ Kg8 {[%csl Gg4][%cal Rh2f2]} 58. Qe8+ Kg7 {[%csl Gg4][%cal Rh2f2]} 59. Qe7+ Kg8 $1 {[%csl Gg4][%cal Rh2f2]} 60. Bd4 Qh1+ 61. Ke2 {Qe8+ would kill now.} Qxh5 62. f3 Nh2 63. Qd8+ Kh7 64. Qe7+ Kg8 65. Qd8+ Kh7 66. Qc7+ Kg8 67. Qb8+ Kh7 68. Qb7+ Kg8 69. e5 g4 70. Qc8+ Kh7 71. Qd7+ Kg8 72. Qe6+ (72. e6 $142 Nxf3 73. e7 Nxd4+ 74. Kd3 Qxf5+ 75. Qxf5 Nxf5 76. e8=Q+ Kg7 77. b5) 72... Kh7 73. Qe7+ (73. exf6 $142 gxf3+ 74. Kd3 Qg5 75. Qd7+ Kh8 76. f7+ Kh7 77. f8=Q+ Qg7 78. Qfxg7#) 73... Kg8 74. Qxf6 (74. Qd8+ $142 Kh7 75. Qd7+ Kg8 76. e6 gxf3+ 77. Kd2 Qg5+ 78. Kc2 Qxf5+ 79. Kb2) 74... gxf3+ 75. Kd3 {White threatens e6 and mate.} f2 76. Qe6+ Kg7 77. f6+ Kh8 78. Qc8+ Kh7 79. Qb7+ Kg6 80. Qe4+ Kf7 81. e6+ {White mates.} Kg8 82. f7+ Kf8 83. Qa8+ Ke7 84. f8=Q+ {[%mdl 64] Double Attack. Accuracy: White = 71%, Black = 57%.} 1-0

[Event "POR-ch 2020"]
[Site "Portimao"]
[Date "2020.09.14"]
[Round "9.2"]
[White "Veiga, Jose Francisco R P N"]
[Black "Martins, Bruno Andre Leite"]
[Result "1/2-1/2"]
[ECO "B10"]
[WhiteElo "2344"]
[BlackElo "2248"]
[Annotator "TA"]
[PlyCount "110"]
[EventDate "2020.09.07"]
[EventType "tourn"]
[EventCountry "POR"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,110,25,28,27,-5,-7,0,42,38,38,29,38,2,0,0,0,-22,-2,-29,-18,-20,-2,-25,0,-6,37,43,33,33,61,61,59,62,62,62,61,60,75,68,64,64,64,64,64,63,87,29,28,44,58,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 c6 2. Nc3 d5 3. Nf3 dxe4 4. Nxe4 Nf6 5. Qe2 Nxe4 6. Qxe4 Qd5 {B11: Caro-Kann: Two Knights Variation.} 7. Qh4 Qe6+ 8. Be2 Qg4 9. Qg3 (9. Qxg4 {looks sharper.} Bxg4 10. h3 Bh5 11. d3 Nd7 12. Be3) 9... Qxg3 10. hxg3 g6 {[#]} 11. b3 $146 ({Predecessor:} 11. d4 h5 12. Bg5 Bg7 13. O-O-O Bg4 14. Rhe1 e6 15. Ne5 Bxe2 16. Rxe2 O-O 17. g4 hxg4 18. Nxg4 {½-½ (48) Mamedov,R (2659)-Nihal,S (2612) Moscow 2019}) 11... Bg7 12. d4 Bf5 13. c4 a5 14. Bb2 Na6 {[%cal Bb8a6,Ba6b4,Bb4d3][%mdl 32]} 15. Ne5 Nb4 {...Nc2+ is the strong threat.} 16. O-O Bxe5 17. dxe5 Bd3 18. Bxd3 Nxd3 19. Bd4 c5 20. Rfd1 O-O-O 21. Rxd3 Rxd4 22. Rxd4 cxd4 $14 {[%mdl 4096] Endgame KR-KR} 23. Kf1 Rd8 24. Ke2 d3+ 25. Kd2 Kd7 26. g4 Ke6 27. Rh1 a4 28. Rh3 ({Much worse is} 28. bxa4 $6 Rd4 $11) (28. g3 $16) 28... axb3 $11 29. axb3 Rd4 30. Rxh7 (30. f3 $1 $14) 30... Rxg4 {The position is equal.} 31. g3 Rd4 32. f4 b5 33. cxb5 Rd5 $1 34. Rh1 Rxb5 35. Rb1 g5 36. b4 gxf4 37. gxf4 Kf5 38. Kxd3 Kxf4 39. Kc4 Rxe5 40. Rf1+ Kg5 41. b5 f5 42. b6 Re4+ 43. Kb5 Rh4 44. b7 Rh8 45. Ra1 {[#] Threatens to win with Ra8.} Rb8 $1 {[%cal Rb8b7]} 46. Kc6 (46. Kb6 {keeps more tension.} f4 47. Rf1 Rf8 48. Rg1+ Kf5 49. Rf1) 46... f4 47. Kc7 (47. Ra8 {seems wilder.} Rxb7 48. Kxb7 f3 49. Rf8 Kg4 50. Kc6) 47... Rxb7+ $1 48. Kxb7 {KR-KPP} f3 49. Kc6 Kf4 50. Kd5 f2 51. Ke6 Kf3 52. Kxe7 Kg2 53. Ra2 Kg1 54. Ra1+ f1=Q 55. Rxf1+ Kxf1 {Accuracy: White = 87%, Black = 92%.} 1/2-1/2

[Event "POR-ch 2020"]
[Site "Portimao"]
[Date "2020.09.14"]
[Round "9.3"]
[White "Sousa, Andre Ventura"]
[Black "Fidalgo, Andre Neves"]
[Result "1/2-1/2"]
[ECO "A30"]
[WhiteElo "2378"]
[BlackElo "2268"]
[Annotator "TA"]
[PlyCount "41"]
[EventDate "2020.09.07"]
[EventType "tourn"]
[EventCountry "POR"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,41,18,37,20,87,78,81,46,50,56,32,0,0,0,4,-22,-22,-50,-19,-33,-6,-15,-25,-14,-9,-14]} 1. c4 c5 2. b3 Nf6 3. Bb2 e6 4. Nf3 Nc6 5. g3 d5 6. cxd5 exd5 7. Bg2 Be7 8. d4 b6 9. O-O O-O 10. Nc3 {D30: Queen's Gambit Declined: Systems without Nc3.} h6 (10... Ba6 $11) 11. Rc1 Be6 12. dxc5 {White is better.} bxc5 13. Na4 c4 {[#]} 14. Qd2 $146 ({Predecessor:} 14. Nd2 cxb3 15. Rxc6 Qd7 16. Rxe6 fxe6 17. axb3 Rab8 18. Bd4 Bb4 19. Nc5 Qc6 20. Nd3 {1-0 (37) Arancibia Guzman,E (2389)-Garcia Cardenas,P (2181) Santiago de Chile 2008}) 14... Rc8 15. Nd4 Nxd4 16. Qxd4 Qa5 17. h3 Rfd8 18. e3 Ne8 19. Bc3 Qa6 20. Qd2 Nf6 21. Qb2 {Accuracy: White = 66%, Black = 69%.} 1/2-1/2

[Event "POR-ch 2020"]
[Site "Portimao"]
[Date "2020.09.14"]
[Round "9.4"]
[White "Dias, Paulo"]
[Black "Santos, Antonio P"]
[Result "1-0"]
[ECO "A49"]
[WhiteElo "2341"]
[BlackElo "2160"]
[Annotator "TA"]
[PlyCount "35"]
[EventDate "2020.09.07"]
[EventType "tourn"]
[EventCountry "POR"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,35,41,31,44,0,0,0,10,13,92,86,160,132,170,171]} 1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. c4 c5 5. Bg2 cxd4 6. Nxd4 O-O 7. O-O Nc6 8. Nc3 Nxd4 9. Qxd4 d6 10. Qd3 a6 11. Bd2 Rb8 12. Rac1 b5 {A39: Symmetrical English vs ...g6: 4 Bg2 Bg7 5 Nf3 Nf6 6 0-0 0-0 7 d4.} 13. c5 Bf5 $1 {[%cal Rf5d3]} ({Don't play} 13... dxc5 14. Qxd8 Rxd8 15. Bf4 $16) 14. e4 dxc5 15. Qxd8 $1 {[#]} Rfxd8 $146 (15... Rbxd8 $11 {keeps the balance.} 16. Be3 Be6) ({Predecessor:} 15... Rbxd8 16. Be3 Be6 17. Bxc5 Rfe8 18. Rfd1 Nd7 19. Bb4 Ne5 20. Nd5 Bg4 21. Nxe7+ Kh8 22. Rxd8 Rxd8 {½-½ (33) Beikert,G (2424)-Kosten,A (2516) Naujac 2004}) 16. Bf4 $16 e5 (16... Be6 $142) 17. Bxe5 Nxe4 18. Bxg7 1-0

[Event "POR-ch 2020"]
[Site "Portimao"]
[Date "2020.09.14"]
[Round "9.5"]
[White "Reis, Luis Sousa"]
[Black "Fernandes, Antonio"]
[Result "1/2-1/2"]
[ECO "B81"]
[WhiteElo "2154"]
[BlackElo "2359"]
[Annotator "TA"]
[PlyCount "62"]
[EventDate "2020.09.07"]
[EventType "tourn"]
[EventCountry "POR"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,62,84,71,86,86,95,64,91,88,49,57,59,68,62,57,47,-46,-66,-49,-64,-58,-70,-94,-93,-141,-59,-71,-12,-22,-22,-73,0,-21,-8,-36,72,0,0,0,0,-36,-39,-112,8,15,8,8,77]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. g4 Nc6 7. g5 Nd7 8. Be3 a6 9. Qd2 Qc7 {B81: Sicilian Scheveningen: Keres Attack.} 10. O-O-O b5 11. f4 Bb7 {White is slightly better.} 12. a3 {[#]} Nc5 $146 {next ...b4 is good for Black.} ({Predecessor:} 12... b4 13. axb4 Nxb4 14. f5 Nc5 15. fxe6 fxe6 16. Bc4 Nxe4 17. Nxe4 Qxc4 18. b3 Qc8 19. Qxb4 Bxe4 20. Rhg1 e5 {½-½ (22) Thrish,K (2111)-Konnov,O (2311) Voronezh 2018}) 13. Bxb5 axb5 14. Ndxb5 {[%mdl 64] Double Attack} Qd8 15. Qf2 Qa5 $1 {Threatens to win with ...Nxe4!} 16. Nxd6+ ({Much worse is} 16. Bxc5 dxc5 17. f5 (17. Qd2 $2 Rd8 $19) 17... Be7 $17) (16. b4 $1 $14 Nxb4 17. axb4 Qxb4 18. Bxc5 Ra1+ 19. Kd2 Rxd1+ 20. Rxd1 Qxc5 21. Qxc5 dxc5 22. Rb1) 16... Bxd6 $15 17. Rxd6 Na4 18. Nxa4 Qxa4 19. Rhd1 {White wants to play Rd7.} O-O 20. Rd7 Rab8 (20... Ba6 $17 21. Bc5 Rfc8) 21. Bc5 {[#]} Rfd8 ({Black should try} 21... Rfe8 $1 $17 22. Qe2 Nd8) 22. Rxd8+ Nxd8 23. Rd4 (23. e5 $11) 23... Qe8 (23... Qa8 $17 {Hoping for ...e5.} 24. e5 Rc8) 24. e5 Nc6 25. Rd3 Ne7 {[#]} (25... Rc8 $15 {keeps the upper hand.}) 26. Bxe7 (26. Rb3 $1 $16) 26... Qxe7 $11 27. Qb6 Rc8 28. Rd4 Bd5 29. c3 ({Better is} 29. h4 $15) 29... f6 (29... h6 $17 30. h4 Rc6 31. Qb8+ Kh7) 30. gxf6 gxf6 31. exf6 Qf7 {Accuracy: White = 56%, Black = 51%.} (31... Qf8 $11) 1/2-1/2

