[Event "U20 Pan-American Chess Championship Ope"]
[Site "lichess.org"]
[Date "2023.11.09"]
[Round "6.1"]
[White "Diego Saul Rodri Flores Quilla"]
[Black "Ivan Excender Soriano Quispe"]
[Result "1-0"]
[ECO "B36"]
[WhiteElo "2414"]
[BlackElo "2214"]
[Annotator "Stockfish 16"]
[PlyCount "125"]
[EventDate "2023.??.??"]

{[%evp 0,125,80,23,41,52,41,20,21,16,73,22,32,37,22,18,45,14,24,23,8,5,40,39,
39,20,20,7,-2,4,18,27,27,-1,4,9,2,-4,-4,7,6,3,21,-17,7,-26,8,15,55,29,67,7,32,
7,18,18,54,48,48,48,75,48,77,70,58,70,54,62,58,75,77,77,88,85,57,21,41,24,82,
24,82,21,106,21,105,0,105,113,124,106,134,134,134,134,134,134,183,142,145,172,
213,211,211,211,217,221,230,237,220,220,242,232,218,279,286,273,247,239,240,
246,242,246,270,250,250,276,431,449]} 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6
5. c4 Nf6 6. Nc3 d6 7. f3 Nxd4 8. Qxd4 Bg7 9. Be3 O-O 10. Qd2 a5 11. Bd3 a4 12.
Rb1 Be6 13. Nb5 Nd7 14. Nd4 Nc5 15. Be2 Bd7 16. O-O Qa5 17. Rfd1 Rfc8 18. Bf1
Qxd2 19. Rxd2 Be5 20. g3 h5 21. Kf2 Bg7 22. Rc1 Ne6 23. Ne2 Nc5 24. Nc3 Bc6 25.
Rdc2 Kf8 26. Ke2 Ra6 27. Nd5 Bxd5 28. cxd5 Rb6 29. Rb1 Ra8 30. Kd2 Rb4 31. a3
Rb6 32. Bc4 Bf6 33. Ke2 Rc8 34. f4 Bg7 35. Kf3 $6 {Inaccuracy. Kf1 was best.} (
35. Kf1) 35... Bf6 $6 {Inaccuracy. f5 was best.} (35... f5 36. exf5 gxf5 37.
Bd3 Rb3 38. Bxf5 Ra8 39. Ke2 b5 40. Bd2 Kf7 41. Bc3 Rb8 42. Bxg7) 36. h3 Bg7
37. g4 hxg4+ 38. hxg4 $6 {Inaccuracy. Kxg4 was best.} (38. Kxg4 Nxe4 39. Bxb6
Rxc4 40. Rbc1 f5+ 41. Kf3 Rxc2 42. Rxc2 Kf7 43. Bd8 b5 44. Bb6 Bh8) 38... Kg8
$4 {Blunder. g5 was best.} (38... g5 39. Bf2 Rc7 40. Be3 Rc8) 39. Kg2 $4 {
Blunder. g5 was best.} (39. g5) 39... Kf8 $2 {Mistake. g5 was best.} (39... g5
40. Kf3 Bh8 41. Bf2 Bf6 42. Be3 Bg7 43. Rg2 Bc3 44. Rc2 Bg7) 40. Kf3 $2 {
Mistake. g5 was best.} (40. g5 f6) 40... Kg8 $2 {Mistake. g5 was best.} (40...
g5 41. Bf2 gxf4 42. Kxf4 Ra6 43. Bxa6 Ne6+ 44. dxe6 Rxc2 45. Bxb7 Rxf2+ 46. Ke3
Rxb2 47. Rxb2) 41. Bf2 $2 {Mistake. g5 was best.} (41. g5 Rc7 42. Kg2 f6 43.
gxf6 exf6 44. Bd4 g5 45. Rh1 gxf4 46. Rh5 f5 47. e5 Nd7) 41... Kf8 $2 {Mistake.
g5 was best.} (41... g5 42. Be3 Kf8 43. Bg1 Kg8 44. Be3) 42. Re2 $2 {Mistake.
g5 was best.} (42. g5 Kg8 43. Kg4 f6 44. gxf6 exf6 45. f5 Re8 46. Bxc5 dxc5 47.
fxg6 Rxe4+ 48. Kf3 f5) 42... Kg8 $2 {Mistake. g5 was best.} (42... g5 43. Rc2
Bh8 44. Rh1 Bg7) 43. g5 Kf8 44. e5 Rc7 $6 {Inaccuracy. dxe5 was best.} (44...
dxe5 45. fxe5 Nd7 46. Bxb6 Rxc4 47. b3 axb3 48. Rxb3 Bxe5 49. Re4 Rc2 50. Bd4
Bxd4 51. Rxd4) 45. Rc1 Rc8 46. Rec2 Rc7 $6 {Inaccuracy. Kg8 was best.} (46...
Kg8 47. Bd4) 47. Bd4 Kg8 48. Ke3 Rc8 49. Rh1 Nd7 50. Bxb6 Nxb6 51. exd6 exd6
52. Kd3 Nd7 53. Bb5 Nc5+ 54. Ke2 Rc7 $6 {Inaccuracy. Ra8 was best.} (54... Ra8
55. Kd1 Ra5 56. Bf1 Bd4 57. Rhh2 Bg1 58. Rh3 Bd4 59. Rd2 Bg7 60. Re3 Kf8 61.
Bc4) 55. Re1 f6 56. gxf6 $6 {Inaccuracy. Kd1 was best.} (56. Kd1 fxg5 57. Re8+
Bf8 58. fxg5 Re7 59. Rf2 Rf7 60. Rxf7 Kxf7 61. Re2 Be7 62. Rg2 Bd8) 56... Bxf6
57. Kf3 Rf7 58. Re8+ Kg7 59. Kg4 Bd4 60. Rce2 Bf6 61. Ra8 Bd4 62. Rd8 Bg1 $6 {
Inaccuracy. Bf6 was best.} (62... Bf6 63. Rc8 Re7 64. Rxe7+ Bxe7 65. Ra8 Bf6
66. Bxa4 Bxb2 67. Bc2 Nd7 68. a4 Nf6+ 69. Kf3) 63. Rxd6 1-0

[Event "U20 Pan-American Chess Championship Ope"]
[Site "lichess.org"]
[Date "2023.11.09"]
[Round "6.2"]
[White "Juan Martin Ibarra"]
[Black "Faustino Oro"]
[Result "1-0"]
[ECO "B33"]
[WhiteElo "2213"]
[BlackElo "2377"]
[Annotator "Stockfish 16"]
[PlyCount "137"]
[EventDate "2023.??.??"]

{[%evp 0,137,15,28,52,52,52,21,16,17,36,36,41,41,65,43,43,59,60,39,53,50,61,53,
30,43,35,9,46,17,57,32,45,39,39,23,12,18,28,-3,28,12,13,18,0,2,9,-35,-52,-56,
-68,-70,-73,-52,-37,-65,-55,-57,-61,-44,-46,-66,-50,-57,-39,-21,4,-21,-12,-32,
-21,-56,-66,-63,18,16,10,12,68,56,36,12,30,98,98,114,80,82,169,151,211,222,224,
225,238,238,237,240,236,248,255,250,250,258,258,262,265,258,265,266,273,279,
291,279,330,291,327,304,331,303,329,303,312,233,261,228,261,301,329,327,340,
346,364,364,378,379,386,352,367,376]} 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4
Nf6 5. Nc3 e5 6. Ndb5 d6 7. Nd5 Nxd5 8. exd5 Nb8 9. c4 Be7 10. Bd3 O-O 11. O-O
a6 12. Nc3 f5 13. f3 Nd7 14. a3 Bg5 15. Qc2 g6 16. b4 b6 17. Na4 Bb7 $6 {
Inaccuracy. Bf6 was best.} (17... Bf6) 18. Bxg5 Qxg5 19. Qc1 Qxc1 20. Raxc1
Rac8 21. Rb1 Rc7 22. Rfc1 Rfc8 23. c5 $6 {Inaccuracy. Rd1 was best.} (23. Rd1
Rb8) 23... b5 24. c6 bxa4 25. Bc4 Nb8 26. cxb7 Rxb7 27. Be2 Rbc7 28. Rxc7 Rxc7
29. Bd1 Rc3 30. Ra1 Nd7 31. Bxa4 Nb6 32. Bc6 Rb3 33. Bb7 Nc4 34. Bxa6 Nxa3 35.
Rc1 Rxb4 36. Rc6 e4 37. fxe4 fxe4 38. Kf2 Rb3 39. Rxd6 Nc2 40. Rd8+ Kg7 41. d6
e3+ 42. Kf3 Nd4+ 43. Ke4 Ne6 $4 {Blunder. Rb6 was best.} (43... Rb6) 44. Re8
Nc5+ 45. Kd4 Nxa6 46. d7 Nb8 $6 {Inaccuracy. Nb4 was best.} (46... Nb4 47. Kc4)
47. d8=Q Nc6+ 48. Kc4 Nxd8 49. Kxb3 Nc6 50. Rxe3 Kf6 51. Kc4 h5 52. Kd5 Ne7+
53. Ke4 Nf5 54. Ra3 Kg5 55. Ke5 h4 56. Rb3 Nh6 57. Ke6 Nf5 58. Kf7 Nd6+ 59. Kg7
Ne8+ 60. Kf8 Nd6 61. Rb6 Nc4 62. Ra6 Kf5 63. Kg7 g5 64. Kh6 g4 65. Kh5 Ne3 66.
Ra5+ Kf4 67. Ra4+ Kf5 68. g3 hxg3 69. hxg3 1-0

[Event "U20 Pan-American Chess Championship Ope"]
[Site "lichess.org"]
[Date "2023.11.09"]
[Round "6.3"]
[White "Ilan Schnaider"]
[Black "Luigy Lira De Siqueira"]
[Result "1/2-1/2"]
[ECO "C45"]
[WhiteElo "2333"]
[BlackElo "2179"]
[Annotator "Stockfish 16"]
[PlyCount "114"]
[EventDate "2023.??.??"]

{[%evp 0,114,28,40,26,18,37,8,27,11,38,4,-22,1,-4,-36,-49,-35,8,-6,-29,15,4,11,
16,15,36,20,49,38,18,6,45,0,0,50,40,24,26,23,-85,-108,-107,-101,-114,-125,-128,
-112,-124,-166,-158,-194,-126,-148,-132,-121,-26,-54,-55,-55,-69,-64,-86,-64,
-58,-56,-14,-41,-30,-24,-11,-18,-29,-35,-28,0,78,73,84,0,-8,0,29,49,92,-41,-36,
-40,-41,-37,-37,-32,-28,-32,-34,-36,-38,-64,-53,-53,-73,-86,-30,-62,-77,-85,
-85,-104,-19,-78,-79,-78,-46,-48,-35,-32,-24]} 1. e4 e5 2. Nf3 Nc6 3. d4 exd4
4. Nxd4 Bc5 5. Nb3 Bb6 6. Nc3 Nf6 7. Qe2 O-O 8. Bg5 Nd4 9. Qd2 Nxb3 10. axb3 h6
11. Be3 Bxe3 12. Qxe3 d6 13. f3 Nd7 14. Rxa7 Rxa7 15. Qxa7 Nb6 16. Be2 Qh4+ 17.
g3 Qh3 $6 {Inaccuracy. Qg5 was best.} (17... Qg5) 18. Bf1 $6 {Inaccuracy. Kd2
was best.} (18. Kd2) 18... Qh5 19. Bg2 $4 {Blunder. Kf2 was best.} (19. Kf2 f5)
19... Qc5 $4 {Blunder. Bh3 was best.} (19... Bh3 20. Bxh3 Qxf3 21. Rf1 Qe3+ 22.
Kd1 Ra8 23. Qxa8+ Nxa8 24. Bd7 Nb6 25. Be8 f6 26. Bg6) 20. Qa3 $4 {Blunder.
Qa1 was best.} (20. Qa1 d5 21. Qd1 dxe4 22. fxe4 Nd7 23. Qd2 Ne5 24. Qf2 Qa5
25. O-O c6 26. h3 Rd8) 20... Qe3+ 21. Ne2 Bh3 22. Bxh3 Ra8 23. Qxa8+ Nxa8 24.
Bg2 Nb6 25. Kd1 Nd7 26. Re1 Ne5 27. Rf1 c5 $6 {Inaccuracy. h5 was best.} (27...
h5 28. Nc3 h4 29. Nd5 Qd4+ 30. Kc1 Kf8 31. c3 Qa7 32. Kd2 Qa6 33. Re1 h3 34.
Bh1) 28. Nc3 c4 29. b4 Qa7 30. Kd2 Nc6 31. Nd5 b5 32. f4 Kf8 $2 {Mistake. Qa2
was best.} (32... Qa2 33. Kc3 Kf8 34. Bf3 g6 35. Bg2 h5 36. Bh1 Qa7 37. Kd2
Qd4+ 38. Kc1 h4 39. gxh4) 33. c3 Ne7 34. Ne3 Kg8 35. h4 g6 36. g4 Kh7 37. Nc2
f5 $6 {Inaccuracy. g5 was best.} (37... g5) 38. exf5 gxf5 39. gxf5 Kg7 40. Nd4
Kf6 41. Be4 Qa2 42. Kc2 d5 43. Bf3 Nxf5 44. Nxf5 Kxf5 45. Bxd5 Qa4+ 46. Kd2 Qa7
47. Bc6 Qb6 48. Bg2 Qd6+ 49. Kc1 Kg4 50. f5 Qf6 51. Rh1 Qe5 52. h5 Kxf5 53. Bc6
Kg5 54. Kb1 Qe6 55. Bb7 Qd7 56. Be4 Kf4 57. Bg6 Kg3 1/2-1/2

[Event "U20 Pan-American Chess Championship Ope"]
[Site "lichess.org"]
[Date "2023.11.09"]
[Round "6.4"]
[White "Lucas Costamilan Tomiello"]
[Black "Henry Richard Vasquez Vargas"]
[Result "1-0"]
[ECO "B03"]
[WhiteElo "2279"]
[BlackElo "2216"]
[Annotator "Stockfish 16"]
[PlyCount "171"]
[EventDate "2023.??.??"]

{[%evp 0,171,26,37,49,57,78,74,69,16,22,13,56,68,79,64,74,45,80,73,123,84,106,
99,83,-19,124,96,102,79,86,77,83,90,91,81,98,64,54,58,87,75,87,60,64,64,58,20,
18,10,38,-22,33,-14,-10,3,2,-24,32,40,33,-103,37,26,0,0,63,35,65,68,69,68,68,
29,46,49,73,24,29,40,36,-3,13,-31,0,0,0,0,0,0,0,0,34,0,42,-8,0,-21,-10,-75,-75,
-91,0,0,84,104,64,46,48,89,48,45,45,45,45,45,53,77,77,99,113,47,55,54,58,72,74,
54,76,129,287,303,309,133,309,134,229,121,127,127,116,142,148,162,120,120,154,
113,111,78,59,63,79,62,104,71,88,70,88,103,110,129,199,223,246,273,345,387,507,
517,517,537,537,547]} 1. e4 Nf6 2. e5 Nd5 3. c4 Nb6 4. d4 d6 5. f4 g6 6. Nc3
Bg7 7. Be3 Be6 8. d5 Bc8 9. Nf3 c6 10. Be2 O-O 11. O-O Bg4 12. e6 $6 {
Inaccuracy. exd6 was best.} (12. exd6 exd6 13. Bd4 Bxd4+ 14. Qxd4 cxd5 15. cxd5
N8d7 16. f5 Bxf3 17. Rxf3 Ne5 18. Rf2 Rc8) 12... f5 $4 {Blunder. fxe6 was best.
} (12... fxe6 13. Ng5) 13. Bd4 $2 {Mistake. a4 was best.} (13. a4 Na6 14. a5
Nc8 15. h3 Bxf3 16. Bxf3 cxd5 17. cxd5 Rb8 18. g4 b6 19. Qe2 Nc5) 13... Bxf3 $6
{Inaccuracy. Bxd4+ was best.} (13... Bxd4+ 14. Qxd4 Na6 15. Kh1 Rc8 16. h3 Bxf3
17. Rxf3 cxd5 18. cxd5 Na8 19. Bxa6 bxa6 20. Qxa7) 14. Bxf3 $6 {Inaccuracy.
Rxf3 was best.} (14. Rxf3) 14... Bxd4+ 15. Qxd4 cxd5 16. cxd5 Na6 17. Rac1 Rc8
18. Nb5 Rc5 19. Rxc5 Nxc5 20. Nc3 $6 {Inaccuracy. b4 was best.} (20. b4 Nca4)
20... Qc7 $6 {Inaccuracy. Nc8 was best.} (20... Nc8 21. h4) 21. Rc1 $6 {
Inaccuracy. Nb5 was best.} (21. Nb5) 21... Na6 22. Ne2 Qb8 23. g4 $6 {
Inaccuracy. a4 was best.} (23. a4 Rc8) 23... fxg4 24. Bxg4 Rc8 25. Rd1 Qc7 26.
f5 Qc5 27. Qxc5 Rxc5 28. Nc3 gxf5 $6 {Inaccuracy. Nc7 was best.} (28... Nc7)
29. Bxf5 Nc7 30. Kh1 $2 {Mistake. Be4 was best.} (30. Be4 Ne8 31. Kf2 Nf6 32.
Bf3 Rc4 33. Rd3 Kg7 34. b3 Rc5 35. Bg2 Kg6 36. Rg3+ Kh6) 30... h6 $4 {Blunder.
Nbxd5 was best.} (30... Nbxd5) 31. Be4 Ne8 $6 {Inaccuracy. Kg7 was best.} (
31... Kg7 32. Rf1 Nbxd5 33. Nxd5 Nxd5 34. Rf7+ Kg8 35. Kg2 b5 36. Kf3 b4 37.
Bxd5 Rxd5 38. Rxe7) 32. Rg1+ Kh8 33. Rg6 Rc8 34. Rxh6+ Kg8 35. Rg6+ Kh8 36. Bf3
Nf6 37. h4 Nc4 38. Rg2 $6 {Inaccuracy. Kg2 was best.} (38. Kg2 Nxb2) 38... Nxb2
39. Ne4 Nxe4 40. Bxe4 $6 {Inaccuracy. Rxb2 was best.} (40. Rxb2 Nc5 41. Rb4 Rf8
42. Kg2 a5 43. Rb5 Rf5 44. Rxa5 Nxe6 45. Ra8+ Rf8 46. Rxf8+ Nxf8) 40... Nc4 41.
Rg5 Ne5 42. Rh5+ Kg8 43. Kg2 b5 44. Rg5+ Kh8 45. Kf2 b4 46. Ke3 a5 47. h5 Rc3+
48. Kf4 Rh3 $4 {Blunder. a4 was best.} (48... a4 49. Rg2 a3 50. h6 b3 51. axb3
Rxb3 52. Rc2 Rb8 53. Ra2 Rf8+ 54. Bf5 Ra8 55. Bc2) 49. Bf5 $4 {Blunder. Rxe5
was best.} (49. Rxe5) 49... Rh2 50. Bb1 $6 {Inaccuracy. Kg3 was best.} (50. Kg3
) 50... Rf2+ $6 {Inaccuracy. a4 was best.} (50... a4 51. Rf5) 51. Ke3 Rb2 52.
Rxe5 Rxb1 53. Rf5 Rd1 $6 {Inaccuracy. a4 was best.} (53... a4 54. Rf8+ Kg7 55.
Rf7+ Kh6 56. Rxe7 Kxh5 57. Rg7 b3 58. axb3 axb3 59. Kd2 b2 60. Rb7) 54. Ke4
Re1+ 55. Kd4 Rd1+ 56. Kc4 Rc1+ 57. Kd3 $6 {Inaccuracy. Kb5 was best.} (57. Kb5
Rc5+ 58. Kb6 a4 59. Rf4 b3 60. Rxa4 bxa2 61. Rxa2 Kg7 62. Ra5 Rc3 63. Ra7 Kf6)
57... Rd1+ $2 {Mistake. Rc7 was best.} (57... Rc7 58. Rf8+ Kg7 59. Ra8 Rc3+ 60.
Kd4 Rh3 61. h6+ Rxh6 62. Kc4 Kf6 63. Kb5 Rh1 64. Rxa5) 58. Kc2 Rd4 59. Kb3 Rd2
$6 {Inaccuracy. Rd3+ was best.} (59... Rd3+ 60. Ka4) 60. Rf8+ Kg7 61. Rf7+ Kh6
62. Rxe7 Rxd5 63. Re8 Re5 64. e7 Kg7 $4 {Blunder. Kh7 was best.} (64... Kh7)
65. h6+ Kh7 $6 {Inaccuracy. Kxh6 was best.} (65... Kxh6 66. Rh8+ Kg5 67. e8=R
Rc5 68. Rh2 a4+ 69. Kxa4 Rc4 70. Rf8 Kg6 71. Rg2+ Kh7 72. Rf5) 66. Kc4 $4 {
Blunder. Ka4 was best.} (66. Ka4 Re2 67. Kxa5 Rxa2+ 68. Kxb4 Re2 69. Kb5 Re1
70. Kc6 d5 71. Kd7 Kxh6 72. Rg8 Re3) 66... Rc5+ $4 {Blunder. d5+ was best.} (
66... d5+) 67. Kd4 $4 {Blunder. Kb3 was best.} (67. Kb3) 67... Re5 68. Kd3 $4 {
Blunder. Kc4 was best.} (68. Kc4) 68... Rd5+ 69. Ke3 Re5+ 70. Kd4 a4 71. Kc4 b3
72. axb3 a3 $4 {Blunder. axb3 was best.} (72... axb3) 73. Kc3 $2 {Mistake. b4
was best.} (73. b4) 73... Re1 $2 {Mistake. Re3+ was best.} (73... Re3+ 74. Kd4)
74. Ra8 $4 {Blunder. b4 was best.} (74. b4) 74... Rxe7 75. Rxa3 Kxh6 76. Ra6
Rd7 77. Kc4 Kg5 78. Rb6 d5+ $4 {Blunder. Kf6 was best.} (78... Kf6 79. Kd5 Ke7
80. Rb8 Rc7 81. b4 Kd7 82. Rb6 Rc1 83. Rxd6+ Kc7 84. Rg6 Kb7 85. Re6) 79. Kd4
Kf5 $6 {Inaccuracy. Rf7 was best.} (79... Rf7) 80. b4 Rd8 $6 {Inaccuracy. Re7
was best.} (80... Re7 81. b5) 81. b5 Rd7 82. Rc6 Rb7 83. b6 Rd7 84. Rc7 Rd6 85.
Kc5 Rd8 86. b7 1-0

[Event "U20 Pan-American Chess Championship Ope"]
[Site "lichess.org"]
[Date "2023.11.09"]
[Round "6.5"]
[White "Facundo Vazquez"]
[Black "Fabian Ricardo Reyes Zavaleta"]
[Result "0-1"]
[ECO "E60"]
[WhiteElo "2407"]
[BlackElo "2122"]
[Annotator "Stockfish 16"]
[PlyCount "132"]
[EventDate "2023.??.??"]

{[%evp 0,132,26,20,29,-20,33,3,6,0,13,-5,3,9,9,22,64,12,20,14,54,21,-6,9,34,24,
2,-1,2,-19,1,12,17,8,-19,-19,-17,-36,-52,-41,-9,-75,-76,-50,-49,-57,-90,-79,
-90,-95,-93,-103,-95,-69,-69,-71,-33,-32,8,9,-9,4,23,-61,-41,-41,-35,-28,16,
-62,-96,-99,-91,-141,-99,-99,-96,-99,-110,-98,-85,-97,-93,-89,-89,-95,-103,-88,
-88,-87,-139,-154,-154,-154,-154,-154,-152,-161,-176,-192,-182,-260,-268,-258,
-256,-421,-270,-288,-182,-136,-120,-115,-115,-115,-113,-115,-196,-202,-202,
-221,-197,-198,-210,-212,-234,-229,-237,-370,-378,-395,-409,-454,-450,-448,
-461]} 1. d4 Nf6 2. c4 g6 3. e3 Bg7 4. Nf3 O-O 5. Be2 c5 6. d5 d6 7. Nc3 e6 8.
O-O exd5 9. cxd5 Bg4 10. Nd2 Bxe2 11. Qxe2 Nbd7 12. e4 Re8 13. Nc4 $6 {
Inaccuracy. a4 was best.} (13. a4 a6 14. f3 Rc8 15. Nc4 Ne5 16. Nxe5 Rxe5 17.
a5 Re8 18. Bg5 Qc7 19. Kh1 Rb8) 13... Nb6 14. Bg5 a6 $6 {Inaccuracy. h6 was
best.} (14... h6 15. Nxb6 Qxb6 16. Bxf6 Bxf6 17. Rae1 Re7 18. g3 Rae8 19. h4 a6
20. Qd2 Qa5 21. Qxh6) 15. Nd2 Qc8 16. Rad1 $6 {Inaccuracy. Be3 was best.} (16.
Be3 Ng4) 16... Qg4 17. Qxg4 Nxg4 18. h3 Ne5 19. Ndb1 Nc8 20. a4 Nc4 21. Bc1 Rb8
22. Rfe1 b5 23. axb5 axb5 24. Nd2 Nxd2 25. Rxd2 b4 26. Nd1 Nb6 27. Rde2 c4 28.
Bf4 Red8 29. Ne3 Rbc8 30. Ra1 c3 $6 {Inaccuracy. b3 was best.} (30... b3) 31.
b3 Bd4 32. Nc2 Bc5 33. Ra6 Nc4 $6 {Inaccuracy. Rb8 was best.} (33... Rb8 34.
Kf1 f6 35. Ne1 Ra8 36. Rea2 f5 37. Rxa8 Nxa8 38. Bg5 Re8 39. e5 dxe5 40. Ra6)
34. Nxb4 $6 {Inaccuracy. bxc4 was best.} (34. bxc4) 34... Bxb4 35. bxc4 Rxc4
36. Rc6 Rxc6 37. dxc6 Rc8 38. Rc2 Rxc6 39. f3 f5 40. Kf2 $6 {Inaccuracy. exf5
was best.} (40. exf5) 40... Rc4 41. Ke3 d5 42. Kd3 fxe4+ 43. fxe4 Rxe4 44. Be3
Rc4 45. Bd4 Kf7 46. Re2 Rc6 47. g4 $6 {Inaccuracy. Re1 was best.} (47. Re1 Rc4
48. Re2 h5 49. Re1 g5 50. Re2 Rc6 51. Re1 Rc7 52. Rf1+ Ke8 53. Be3 Be7) 47...
Ra6 48. h4 Ra1 49. Be3 Rh1 50. Rf2+ Ke6 51. Bg5 Rg1 52. Rf4 $6 {Inaccuracy.
Re2+ was best.} (52. Re2+ Kd7 53. Bh6 Kc6 54. h5 Rxg4 55. hxg6 hxg6 56. Re6+
Kb5 57. Re5 Rg3+ 58. Kd4 Ka4) 52... Rg3+ 53. Kd4 Be7 54. Bxe7 Kxe7 55. Kxd5 c2
56. Re4+ Kf7 57. Rc4 Rxg4 58. Rxc2 $6 {Inaccuracy. Rc7+ was best.} (58. Rc7+
Kf6 59. h5 Rg5+ 60. Ke4 Rxh5 61. Kf4 Rf5+ 62. Kg3 h5 63. Rxc2 Kg5 64. Rg2 h4+)
58... Rxh4 59. Ke5 Rh5+ 60. Kf4 Rf5+ 61. Kg4 h5+ 62. Kh4 Rf4+ 63. Kg5 Rg4+ 64.
Kh6 h4 65. Rh2 Kf6 66. Rf2+ Ke5 0-1

[Event "U20 Pan-American Chess Championship Ope"]
[Site "lichess.org"]
[Date "2023.11.09"]
[Round "6.6"]
[White "Yago Labussiere"]
[Black "Nathan Felipe Filgueiras"]
[Result "1-0"]
[ECO "A22"]
[WhiteElo "2185"]
[BlackElo "2323"]
[Annotator "Stockfish 16"]
[PlyCount "83"]
[EventDate "2023.??.??"]

{[%evp 0,83,37,-14,-21,-12,-14,-17,13,10,76,3,51,0,0,14,36,21,26,25,37,25,34,
39,39,34,36,49,46,45,55,52,38,44,46,46,53,38,90,80,79,79,83,58,64,73,102,84,78,
52,125,46,112,93,118,131,129,138,120,57,165,71,330,88,726,502,839,951,29989,
563,563,294,332,108,29995,918,1324,1753,29977,29978,29979,29980,29981,29982,
29983,29984]} 1. c4 e5 2. Nc3 Nf6 3. Nf3 e4 $6 {Inaccuracy. Nc6 was best.} (
3... Nc6 4. e3 Bb4 5. Qc2 O-O 6. Nd5 Re8 7. Ng5 g6 8. Nxf6+) 4. Ng5 b5 5. d3
bxc4 6. dxc4 $6 {Inaccuracy. dxe4 was best.} (6. dxe4 Nc6 7. e3 h6 8. Nf3 Bb4
9. Bxc4 O-O 10. Bd2 Bxc3) 6... Bb4 $6 {Inaccuracy. Bb7 was best.} (6... Bb7 7.
Qb3 Bc6 8. Qc2 Qe7 9. a3 a5 10. Be3 Ng4 11. Bf4) 7. Bd2 Bxc3 8. Bxc3 h6 9. Nh3
O-O 10. e3 d6 11. Nf4 Nc6 12. Be2 Qe7 13. O-O Bb7 14. Rc1 Ne5 15. Nd5 Qd8 $6 {
Inaccuracy. Nxd5 was best.} (15... Nxd5 16. cxd5 Qg5 17. h4 Qf5 18. Bxe5 Qxe5
19. b3 Bxd5 20. Rxc7 a5 21. Bc4 Be6 22. Bxe6) 16. Qd2 Nfd7 17. Rfd1 Re8 18. b4
f5 $6 {Inaccuracy. a5 was best.} (18... a5 19. bxa5) 19. c5 dxc5 20. bxc5 $6 {
Inaccuracy. Bxe5 was best.} (20. Bxe5 Nxe5 21. Rxc5 c6 22. Nf4 Qxd2 23. Rxd2 a5
24. bxa5 Ba6 25. Bh5 Nd3 26. Rxf5 Re7) 20... Kh7 21. Ba5 Rc8 $2 {Mistake. Bxd5
was best.} (21... Bxd5) 22. Nb4 $4 {Blunder. Nxc7 was best.} (22. Nxc7 Rg8 23.
Qd6 Qf6 24. Bb5 Bc6 25. Bxc6 Nxc6 26. Qxd7 Nxa5 27. Nd5 Qe5 28. Qxa7 Nc6) 22...
Re6 23. c6 Nxc6 24. Qd5 Qf6 $2 {Mistake. Re5 was best.} (24... Re5 25. Nxc6
Rxd5 26. Nxd8 Rxd8 27. Rxd5 Bxd5 28. Bxc7 Rf8 29. a4 Bb7 30. Bb5 Nf6 31. Be5)
25. Nxc6 $2 {Mistake. Qxd7 was best.} (25. Qxd7 Nxa5 26. Nd5 Qe5 27. Nf4 Re7
28. Qa4 Ree8 29. Bh5 Red8 30. Rxd8 Rxd8 31. h4 Bc8) 25... Bxc6 $6 {Inaccuracy.
Nb6 was best.} (25... Nb6 26. Bxb6 cxb6 27. Qd7 Rexc6 28. Rxc6 Qxc6 29. Qxf5+
Qg6 30. Qd7 Rc2 31. Qxb7 Rxe2 32. Qxa7) 26. Rxc6 Rxc6 27. Qxd7 Rb8 28. Bf1 $6 {
Inaccuracy. g3 was best.} (28. g3 Qg6) 28... Rb2 29. g3 Rxa2 $6 {Inaccuracy.
Rc5 was best.} (29... Rc5 30. Rd5 Rxd5 31. Qxd5 c6 32. Qc5 Qe6 33. a4 Ra2 34.
Bb4 Qd5 35. Qxa7 Ra1 36. Bc3) 30. Bb4 a5 $2 {Mistake. Rcc2 was best.} (30...
Rcc2 31. Bh3 Kg6 32. Qe8+ Kh7 33. Be1 Rc5 34. Qc8 Kg6 35. Kg2 Rb2 36. Rd7 Rbb5
37. Qe8+) 31. Bf8 $6 {Inaccuracy. Bh3 was best.} (31. Bh3 axb4 32. Bxf5+ Qg6
33. Bxg6+ Rxg6 34. Qf5 Ra8 35. h4 Kh8 36. Qxg6 Rg8 37. Qxe4 c5) 31... Rcc2 $4 {
Blunder. a4 was best.} (31... a4 32. Bxg7 Qe6 33. Qxe6 Rxe6 34. Bc4 Rc6 35.
Bxa2 Kxg7 36. Rd4 a3 37. Ra4 Rc3 38. Kg2) 32. Bxg7 Qc6 $2 {Checkmate is now
unavoidable. Rd2 was best.} (32... Rd2 33. Bxf6+ Rxd7 34. Rxd7+ Kg6 35. Be5 h5
36. Bc4 f4 37. Bxa2 fxe3 38. fxe3 c6 39. Bf4) 33. Qe7 $2 {Lost forced
checkmate sequence. Qf7 was best.} (33. Qf7 Qg6 34. Qf8 Qd6 35. Rxd6 cxd6 36.
Bd4 Rc7 37. Bc4 Ra1+ 38. Bxa1 d5 39. Qxf5+ Kg8) 33... Rxf2 $2 {Checkmate is
now unavoidable. Kg6 was best.} (33... Kg6 34. h4) 34. Be5+ $2 {Lost forced
checkmate sequence. Bf6+ was best.} (34. Bf6+ Kg6 35. Qg7+ Kh5 36. g4+ fxg4 37.
Qf7#) 34... Kg6 35. Qg7+ Kh5 36. Bf6 $6 {Inaccuracy. g4+ was best.} (36. g4+
fxg4 37. Bf4 Rad2 38. Qf7+ Qg6 39. Qd5+ Rxd5 40. Rxd5+ Qg5 41. Bxg5 g3 42. Bf4+
Kg4) 36... Qe8 $4 {Checkmate is now unavoidable. Qe6 was best.} (36... Qe6 37.
h3 c6 38. Be5 Rac2 39. Bf4 a4 40. Qf8 a3 41. Qxa3 Rfd2 42. Rxd2 Rxd2 43. Qc3)
37. Bh3 $2 {Lost forced checkmate sequence. g4+ was best.} (37. g4+ fxg4 38.
Rd5+ Qe5 39. Qf7#) 37... Qg6 $2 {Checkmate is now unavoidable. Rg2+ was best.}
(37... Rg2+ 38. Bxg2 Qg6 39. Qe7 Re2 40. Rf1 Rxe3 41. Rf4 Re1+ 42. Kf2 Qg8 43.
Kxe1) 38. g4+ fxg4 39. Rd5+ Rf5 40. Rxf5+ Qxf5 41. Qf7+ Qg6 42. Bxg4+ 1-0

[Event "U20 Pan-American Chess Championship Open 2023"]
[Site "Sede Social CFCSN - Rua Gen. Oswaldo P. da Veiga, 231 - 3º Andar - Volta Redonda"]
[Date "2023.11.09"]
[Round "6"]
[Board "7"]
[White "Ribeiro, Matheus Mendes Domingues"]
[Black "Montes Orozco, Miguel Angel"]
[Result "1/2-1/2"]
[ECO "A12"]
[WhiteElo "2150"]
[BlackElo "2097"]
[PlyCount "44"]
[EventDate "2023.11.06"]
[EventRounds "9"]
[EventCountry "BRA"]

1. Nf3 d5 2. g3 Nf6 3. Bg2 Bf5 4. O-O e6 5. c4 c6 6. b3 Be7 7. Bb2 O-O 8. d3 h6 9.
Nbd2 Bh7 10. Ne5 a5 11. Ndf3 Na6 12. a3 Qb6 13. Rb1 Rfd8 14. Qc2 Ne8 15. Bh3 Nec7
16. cxd5 cxd5 17. Bd4 Qd6 18. b4 axb4 19. axb4 Nxb4 20. Rxb4 Qxb4 21. Qxc7 Rdc8 22.
Qd7 Rd8  1/2-1/2

[Event "U20 Pan-American Chess Championship Open 2023"]
[Site "Sede Social CFCSN - Rua Gen. Oswaldo P. da Veiga, 231 - 3º Andar - Volta Redonda"]
[Date "2023.11.09"]
[Round "6"]
[Board "8"]
[White "Sathish, Pranav"]
[Black "Castro Salgado, Pablo"]
[Result "1-0"]
[ECO "A06"]
[WhiteElo "2412"]
[BlackElo "2150"]
[PlyCount "91"]
[EventDate "2023.11.06"]
[EventRounds "9"]
[EventCountry "BRA"]

1. Nf3 d5 2. b3 Bg4 3. Bb2 Nd7 4. e3 e6 5. h3 Bh5 6. d3 c6 7. Nbd2 a5 8. a3 Ngf6
9. Be2 h6 10. Nh4 Bxe2 11. Qxe2 Bd6 12. e4 Be5 13. d4 Nxe4 14. Nxe4 Qxh4 15. dxe5
Qxe4 16. Qxe4 dxe4 17. O-O-O a4 18. b4 c5 19. Rhe1 cxb4 20. Rxe4 b3 21. Rc4 b6 22.
Rd6 Ke7 23. Rc7 Rhd8 24. cxb3 Ke8 25. b4 Rab8 26. Bd4 b5 27. Kc2 Nf8 28. Rxd8+ Rxd8
29. Bc5 Ng6 30. Bd6 Rb8 31. g3 Rb6 32. Kc3 Rb8 33. Kd4 h5 34. Rxf7 Kxf7 35. Bxb8
Ne7 36. Kc5 Nd5 37. Kxb5 Nc3+ 38. Ka5 Ke8 39. Ba7 h4 40. gxh4 Kd7 41. Bd4 Ne2 42.
Be3 Nc3 43. b5 Kc7 44. Ka6 Nd5 45. Ba7 Kc8 46. b6  1-0

[Event "U20 Pan-American Chess Championship Open 2023"]
[Site "Sede Social CFCSN - Rua Gen. Oswaldo P. da Veiga, 231 - 3º Andar - Volta Redonda"]
[Date "2023.11.09"]
[Round "6"]
[Board "9"]
[White "Casalaspro, Mathias Andre"]
[Black "Silva, Kaua Marques"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "2060"]
[BlackElo "2235"]
[PlyCount "52"]
[EventDate "2023.11.06"]
[EventRounds "9"]
[EventCountry "BRA"]

1. d4 Nf6 2. Nc3 d5 3. Bf4 c5 4. e4 cxd4 5. Qxd4 Nc6 6. Bb5 Bd7 7. Bxc6 Bxc6 8. e5
Nd7 9. e6 fxe6 10. Nf3 Qb6 11. Qd2 g5 12. Be3 Qxb2 13. O-O Qa3 14. Nd4 Bg7 15. Ndb5
Bxb5 16. Nxb5 Qa4 17. Nc7+ Kf8 18. f4 Bxa1 19. c3 Qc6 20. fxg5+ Kg7 21. g6 hxg6 22.
Bd4+ Nf6 23. Nxa8 Qd6 24. Qg5 Qxh2+ 25. Kf2 Rh5 26. Qd2 e5  0-1

[Event "U20 Pan-American Chess Championship Open 2023"]
[Site "Sede Social CFCSN - Rua Gen. Oswaldo P. da Veiga, 231 - 3º Andar - Volta Redonda"]
[Date "2023.11.09"]
[Round "6"]
[Board "10"]
[White "Piccoli, Lucas Fonseca"]
[Black "Varillas Jimenez, Ivan"]
[Result "1-0"]
[ECO "A14"]
[WhiteElo "2225"]
[BlackElo "1985"]
[PlyCount "119"]
[EventDate "2023.11.06"]
[EventRounds "9"]
[EventCountry "BRA"]

1. c4 e6 2. Nf3 d5 3. b3 Nf6 4. g3 Be7 5. Bg2 O-O 6. O-O c5 7. Bb2 Nc6 8. e3 d4 9.
exd4 cxd4 10. Re1 Re8 11. d3 Bf8 12. Ba3 e5 13. Bxf8 Kxf8 14. Na3 h6 15. Nc2 a5 16.
h3 Bf5 17. g4 Bh7 18. Nh4 e4 19. Nf5 Bxf5 20. gxf5 e3 21. fxe3 dxe3 22. d4 Qd7 23.
d5 Ne7 24. Nxe3 Nxf5 25. Nxf5 Qxf5 26. Qd4 Nd7 27. Rf1 Qe5 28. Qf2 Qe3 29. d6 Nc5
30. Rad1 Rad8 31. Rfe1 Qxf2+ 32. Kxf2 Rxe1 33. Kxe1 Ke8 34. a3 Nxb3 35. Bxb7 Kd7
36. Rd5 Rb8 37. Ba6 Kc6 38. Bb5+ Kb6 39. d7 Rd8 40. Re5 Nd4 41. Re8 Kc7 42. Ba4 Ne6
43. Re7 Nc5 44. Bb5 Nxd7 45. c5 Kc8 46. c6 Nb8 47. c7 Rd5 48. cxb8=Q+ Kxb8 49. a4
g5 50. Rxf7 h5 51. Rh7 h4 52. Ke2 Rf5 53. Rg7 Ka8 54. Ke3 Kb8 55. Ke4 Rc5 56. Rf7
Kc8 57. Rf5 Rc3 58. Bd3 Rc1 59. Rxg5 Rh1 60. Kf4  1-0

[Event "U20 Pan-American Chess Championship Open 2023"]
[Site "Sede Social CFCSN - Rua Gen. Oswaldo P. da Veiga, 231 - 3º Andar - Volta Redonda"]
[Date "2023.11.09"]
[Round "6"]
[Board "11"]
[White "Tomiello, Mateus Costamilan"]
[Black "Nascimento, Kaio Vinicius Da Trindade"]
[Result "1-0"]
[ECO "D34"]
[WhiteElo "2145"]
[BlackElo "1310"]
[PlyCount "67"]
[EventDate "2023.11.06"]
[EventRounds "9"]
[EventCountry "BRA"]

1. c4 Nf6 2. g3 e6 3. Bg2 c5 4. Nf3 Nc6 5. O-O d5 6. cxd5 exd5 7. d4 Be6 8. Nc3 Be7
9. Be3 c4 10. Ne5 Qb6 11. b3 Bb4 12. Na4 Qa6 13. bxc4 dxc4 14. Rb1 Bd6 15. d5 Nxe5
16. dxe6 Rd8 17. exf7+ Kxf7 18. Rxb7+ Be7 19. Qc2 Rd7 20. Rxd7 Nexd7 21. Bd4 Rb8
22. e4 Bd6 23. f4 Rb4 24. Nc3 Bc5 25. Bxc5 Nxc5 26. e5 Nd3 27. exf6 Qb6+ 28. Kh1
Rb2 29. Qd1 g6 30. Ne4 Qd4 31. f5 Qe3 32. fxg6+ hxg6 33. Qg4 Ne5 34. Ng5+  1-0

[Event "U20 Pan-American Chess Championship Open 2023"]
[Site "Sede Social CFCSN - Rua Gen. Oswaldo P. da Veiga, 231 - 3º Andar - Volta Redonda"]
[Date "2023.11.09"]
[Round "6"]
[Board "12"]
[White "Nascimento, Nicolas Daniel Trindade"]
[Black "Munoz Ramos, Christopher"]
[Result "1/2-1/2"]
[ECO "D30"]
[WhiteElo "1797"]
[BlackElo "2038"]
[PlyCount "86"]
[EventDate "2023.11.06"]
[EventRounds "9"]
[EventCountry "BRA"]

1. Nf3 d5 2. d4 Nf6 3. c4 e6 4. cxd5 exd5 5. Bf4 Bd6 6. Bxd6 Qxd6 7. e3 O-O 8. Bd3
b6 9. O-O Nbd7 10. Nc3 Qe7 11. Rc1 Bb7 12. Bb1 c5 13. dxc5 Nxc5 14. Nd4 Rfd8 15.
Nce2 Rac8 16. Ng3 g6 17. a3 a6 18. Ba2 Nce4 19. Nge2 Qe5 20. Nf4 h5 21. Qe2 b5 22.
h3 Qd6 23. Nd3 Nd7 24. Bb1 Re8 25. Rxc8 Rxc8 26. Rc1 Rc4 27. Ba2 Rxc1+ 28. Nxc1 Qc7
29. Qc2 Qxc2 30. Nxc2 Nb6 31. Nd3 Kf8 32. Nd4 Ke7 33. f3 Ng5 34. b3 Kd6 35. Kf2 Nd7
36. Ke2 Nc5 37. Nxc5 Kxc5 38. b4+ Kd6 39. Nb3 Ne6 40. Kd3 Bc8 41. Nd4 Bd7 42. Bb3
Ke5 43. Nxe6 fxe6  1/2-1/2

[Event "U20 Pan-American Chess Championship Open 2023"]
[Site "Sede Social CFCSN - Rua Gen. Oswaldo P. da Veiga, 231 - 3º Andar - Volta Redonda"]
[Date "2023.11.09"]
[Round "6"]
[Board "13"]
[White "Lima, Carlos Eduardo I De Araujo"]
[Black "Cahuapaza Tarapaca, Leonardo"]
[Result "0-1"]
[ECO "D15"]
[WhiteElo "1857"]
[BlackElo "1818"]
[PlyCount "128"]
[EventDate "2023.11.06"]
[EventRounds "9"]
[EventCountry "BRA"]

1. d4 Nf6 2. c4 c6 3. Nc3 d5 4. Nf3 a6 5. cxd5 cxd5 6. e3 Nc6 7. h3 e6 8. Bd3 Be7
9. O-O O-O 10. Re1 b5 11. e4 dxe4 12. Nxe4 Nb4 13. Nxf6+ Bxf6 14. Be4 Nd5 15. Qd3
h6 16. Bd2 Bb7 17. Rad1 Qe7 18. Qe2 Rfd8 19. Bb1 Qf8 20. Ne5 g6 21. Qg4 Ne7 22. Ba5
h5 23. Qe2 Rdc8 24. Nd7 Qg7 25. Nb6 Bxd4 26. Nxa8 Bxa8 27. Rc1 Bxb2 28. Rxc8+ Nxc8
29. Qc2 Ne7 30. Rd1 Bd5 31. Qc7 Qf6 32. Qb8+ Kg7 33. Bd8 Qg5 34. g3 Bf6 35. Qd6 Nf5
36. Bxf6+ Qxf6 37. Qf4 Ne7 38. Qe3 Nc6 39. Be4 Bxe4 40. Qxe4 Ne5 41. Kg2 Nc4 42.
Rd7 e5 43. Qd3 Qc6+ 44. f3 Qf6 45. h4 Qc6 46. Rd8 Qf6 47. Ra8 Qb6 48. Qd7 Qe3 49.
Qd1 Nd6 50. Rd8 Nf5 51. Rd3 Qc5 52. Qe2 Nd4 53. Qe3 b4 54. f4 Qc6+ 55. Kf2 Nb5 56.
Qxe5+ f6 57. Qd5 Qb6+ 58. Kf3 Qg1 59. Qd7+ Kh6 60. Qc8 Qf1+ 61. Ke4 Qe2+ 62. Kd5
Qxd3+ 63. Ke6 Qd6+ 64. Kf7 Qc7+  0-1

[Event "U20 Pan-American Chess Championship Open 2023"]
[Site "Sede Social CFCSN - Rua Gen. Oswaldo P. da Veiga, 231 - 3º Andar - Volta Redonda"]
[Date "2023.11.09"]
[Round "6"]
[Board "14"]
[White "Reyes Zavaleta, Cristhian Yamil"]
[Black "Errazola, Mauricio"]
[Result "1-0"]
[ECO "E04"]
[WhiteElo "1804"]
[BlackElo "1725"]
[PlyCount "113"]
[EventDate "2023.11.06"]
[EventRounds "9"]
[EventCountry "BRA"]

1. d4 d5 2. c4 e6 3. g3 Nf6 4. Bg2 dxc4 5. Nf3 Bb4+ 6. Bd2 c5 7. Bxb4 cxb4 8. Ne5
O-O 9. O-O Nd5 10. Nxc4 b5 11. Ne5 Bb7 12. Nd3 a5 13. Nc5 Bc6 14. Nd2 Nd7 15. Rc1
Rc8 16. Nde4 N7b6 17. Nd3 Qe7 18. Ne5 Ba8 19. Nc5 Rfd8 20. Qd3 f6 21. Nf3 e5 22.
e4 Nc7 23. Bh3 Rb8 24. d5 Nc4 25. Nb3 Nxb2 26. Qc2 Nc4 27. Nxa5 Nxa5 28. Qxc7 Qxc7
29. Rxc7 Rb7 30. Rfc1 Nc4 31. Rxb7 Bxb7 32. Rb1 Nd6 33. Be6+ Kf8 34. Rxb4 Ra8 35.
Rb2 Ke7 36. Nd2 Kd8 37. Rc2 Ra4 38. f3 Bc8 39. Bxc8 Nxc8 40. Nb3 Nb6 41. Nc5 Ra7
42. Rb2 Nc4 43. Rxb5 Rxa2 44. Ne6+ Kd7 45. Rc5 Nd2 46. Rc7+ Kd6 47. Rc3 f5 48. Rc6+
Kd7 49. Rc7+ Kd6 50. Rc6+ Kd7 51. Rc3 fxe4 52. Nc5+ Ke7 53. Nxe4 Nb1 54. d6+ Ke6
55. Rd3 Kd7 56. Nc5+ Kd8 57. d7  1-0

[Event "U20 Pan-American Chess Championship Open 2023"]
[Site "Sede Social CFCSN - Rua Gen. Oswaldo P. da Veiga, 231 - 3º Andar - Volta Redonda"]
[Date "2023.11.09"]
[Round "6"]
[Board "15"]
[White "Seccafim, Caic Dos Santos"]
[Black "De Mattos, Pedro Benedito Flores"]
[Result "1-0"]
[ECO "C33"]
[WhiteElo "2062"]
[BlackElo "0"]
[PlyCount "30"]
[EventDate "2023.11.06"]
[EventRounds "9"]
[EventCountry "BRA"]

1. e4 e5 2. f4 exf4 3. Bc4 Qh4+ 4. Kf1 Nf6 5. c3 d6 6. d3 Nc6 7. Nf3 Qh6 8. Qb3 g5
9. h4 Ne5 10. Nxg5 Nh5 11. Bxf7+ Nxf7 12. Nxf7 Ng3+ 13. Kg1 Qh5 14. Nxh8 Nxh1 15.
Bxf4 Bg7  1-0

[Event "U20 Pan-American Chess Championship Open 2023"]
[Site "Sede Social CFCSN - Rua Gen. Oswaldo P. da Veiga, 231 - 3º Andar - Volta Redonda"]
[Date "2023.11.09"]
[Round "6"]
[Board "16"]
[White "Reyes Zavaleta, Sergio Gabriel"]
[Black "Da Fonseca Pinto, Joao Gabriel Alves"]
[Result "1/2-1/2"]
[ECO "A45"]
[WhiteElo "1287"]
[BlackElo "1762"]
[PlyCount "118"]
[EventDate "2023.11.06"]
[EventRounds "9"]
[EventCountry "BRA"]

1. d4 Nf6 2. Bg5 Ne4 3. Bf4 d5 4. e3 e6 5. a3 c5 6. c3 Bd6 7. Bg3 Nc6 8. Nf3 O-O
9. Nbd2 Nxd2 10. Qxd2 c4 11. Be2 f5 12. Qc2 b5 13. O-O Bxg3 14. hxg3 Bd7 15. b3 Qc7
16. Nd2 a5 17. bxc4 bxc4 18. a4 Rfb8 19. Rfb1 Be8 20. Rb5 Rxb5 21. axb5 Na7 22. g4
g6 23. gxf5 exf5 24. Bf3 Bf7 25. b6 Qxb6 26. Nxc4 Qc7 27. Nxa5 Nb5 28. c4 Rxa5 29.
Rxa5 Qxa5 30. cxb5 Qxb5 31. Qc8+ Kg7 32. Qc7 h5 33. Qe5+ Kg8 34. Qg3 Kh7 35. Qg5
Qa5 36. g3 Qb5 37. Qe7 Kg8 38. Qd8+ Kg7 39. Qc7 Kg8 40. Qc5 Qb3 41. Kg2 Qa2 42. Qc8+
Kg7 43. Qb8 Qc4 44. Qe5+ Kg8 45. Qf6 Qa2 46. Qd8+ Kg7 47. Qc7 Kg8 48. Qe5 Qc4 49.
Qf6 Qa2 50. Qd8+ Kg7 51. Qc7 Kg8 52. Qc3 Kg7 53. Bd1 Qa8 54. Qb4 Qd8 55. Qc5 h4 56.
Bb3 hxg3 57. fxg3 Qd7 58. Qb4 Qe6 59. Bc2 Qxe3  1/2-1/2

[Event "U20 Pan-American Chess Championship Open 2023"]
[Site "Sede Social CFCSN - Rua Gen. Oswaldo P. da Veiga, 231 - 3º Andar - Volta Redonda"]
[Date "2023.11.09"]
[Round "6"]
[Board "17"]
[White "Nascimento, Luiz Eduardo Da Trindade"]
[Black "De Oliveira, Joao Pedro Almeida"]
[Result "1/2-1/2"]
[ECO "C60"]
[WhiteElo "1877"]
[BlackElo "0"]
[PlyCount "100"]
[EventDate "2023.11.06"]
[EventRounds "9"]
[EventCountry "BRA"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nge7 4. O-O g6 5. c3 a6 6. Ba4 b5 7. Bc2 d5 8. exd5 Qxd5
9. Re1 Bg7 10. d3 O-O 11. Be3 Nf5 12. h3 Bb7 13. Nbd2 Rad8 14. Qe2 Rfe8 15. Ne4 Nxe3
16. Qxe3 Ne7 17. Nfg5 Rf8 18. Bb3 Qc6 19. Qc5 Nd5 20. Qxc6 Bxc6 21. g3 h6 22. Nf3
Kh8 23. Rad1 g5 24. Nc5 Nxc3 25. bxc3 Bxf3 26. Rd2 e4 27. d4 a5 28. Bc2 Rfe8 29.
g4 b4 30. cxb4 axb4 31. Nb3 c5 32. Nxc5 Bxd4 33. Nxe4 Bxe4 34. Rxe4 Rxe4 35. Bxe4
Bb6 36. Rxd8+ Bxd8 37. Bd5 f6 38. f3 Kg7 39. Kf2 Bc7 40. Ke3 Bd6 41. Ke4 Kg6 42.
Be6 Be7 43. Bd7 Kg7 44. Kf5 Kf7 45. Be6+ Kg7 46. Bb3 Bc5 47. Ke6 Be3 48. Kd5 Bd2
49. Kc4 Kf8 50. Kd3 Bc3  1/2-1/2

[Event "U20 Pan-American Chess Championship Open 2023"]
[Site "Sede Social CFCSN - Rua Gen. Oswaldo P. da Veiga, 231 - 3º Andar - Volta Redonda"]
[Date "2023.11.09"]
[Round "6"]
[Board "18"]
[White "Andriska, Matheus Jose Amante"]
[Black "Reimberg, Arthur Bernardo"]
[Result "0-1"]
[ECO "C50"]
[WhiteElo "1261"]
[BlackElo "0"]
[PlyCount "70"]
[EventDate "2023.11.06"]
[EventRounds "9"]
[EventCountry "BRA"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. O-O Nf6 5. Nc3 d6 6. h3 O-O 7. d3 h6 8. Bd2 a6
9. a4 Be6 10. Bb3 Qd7 11. Ne2 d5 12. exd5 Bxd5 13. Bxd5 Nxd5 14. Ng3 Nf6 15. Re1
Rfe8 16. Bc3 Bd4 17. Bxd4 exd4 18. Rxe8+ Rxe8 19. Qd2 Ne5 20. Nxe5 Rxe5 21. b3 Qc6
22. Rc1 b5 23. a5 Qd6 24. b4 c5 25. bxc5 Rxc5 26. Qb4 Qd5 27. Ne2 Qh5 28. Nxd4 Rg5
29. Kf1 Rxg2 30. Kxg2 Qg5+ 31. Kf3 Qh5+ 32. Ke3 Nd5+ 33. Ke4 Nxb4 34. c4 Qg6+ 35.
Kf3 Qxd3+  0-1

