[Event "Round 9: Faustino Oro - Diego Saul Rodri"]
[Site "lichess.org"]
[Date "2023.11.11"]
[Round "9.1"]
[White "Faustino Oro"]
[Black "Diego Saul Rodri Flores Quilla"]
[Result "0-1"]
[ECO "A04"]
[WhiteElo "2377"]
[BlackElo "2414"]
[Annotator "Stockfish 16"]
[PlyCount "104"]
[EventDate "2023.??.??"]
{[%evp 0,104,-6,-5,110,-1,70,-45,16,-20,23,-78,67,-87,34,-19,19,-7,0,-44,8,-8,
9,-1,31,20,13,2,36,39,30,34,35,18,16,8,29,23,26,-7,50,42,76,48,47,43,43,35,57,
47,38,32,57,14,34,19,32,-4,30,7,25,-70,0,0,0,0,9,-5,-1,-1,-10,-18,-15,-50,-35,
-29,0,-154,-95,-95,-101,-40,-61,-50,-53,-56,-53,-47,-60,-63,-67,-62,-58,-58,
-85,-187,-228,-342,-361,-439,-439,-582,-633,-633,-635,-659,-663]} 1. Nf3 c5 2.
b3 d6 3. c4 Nf6 4. d4 cxd4 5. Nxd4 g6 6. e3 Bg7 7. Bb2 O-O 8. Be2 Nc6 9. O-O
Bd7 10. Nd2 Rc8 11. Bf3 a6 12. Nxc6 Bxc6 13. Qe2 a5 14. Rfd1 Qb6 15. Bd4 Qa6
16. Bxc6 bxc6 17. Nf3 Rfe8 18. Qc2 Rb8 19. Rab1 Rb4 20. Bc3 Rb7 21. e4 a4 22.
e5 axb3 23. axb3 dxe5 24. Bxe5 c5 25. h3 Qc6 26. Rd3 Rd7 27. Re3 Bh6 28. Re2
Rb7 29. Rbe1 Nh5 30. Nh2 Nf4 31. Bxf4 Bxf4 32. Ng4 h5 $4 {Blunder. Bg5 was
best.} (32... Bg5 33. Qc3 Rd8 34. h4 Bf6 35. Nxf6+ Qxf6 36. Qxf6 exf6 37. Re3
Kg7 38. g3 Ra8 39. Re7) 33. Ne5 $4 {Blunder. Re6 was best.} (33. Re6 Qc8 34.
Nf6+ Kf8 35. R6e4 Rd8 36. Nh7+ Kg7 37. Rxf4 f6 38. Ng5 fxg5 39. Qc3+ Kg8) 33...
Bxe5 34. Rxe5 e6 35. R1e3 Qd6 36. Rg5 Rd8 37. Qe4 Ra7 38. Reg3 $6 {Inaccuracy.
Re1 was best.} (38. Re1) 38... Ra1+ 39. Kh2 Kf8 40. Qe5 $6 {Inaccuracy. h4 was
best.} (40. h4 Ra2) 40... Qxe5 41. Rxe5 Rdd1 42. Rge3 h4 43. g3 Rh1+ 44. Kg2
Rag1+ 45. Kf3 Rxh3 46. Kg4 Rh2 47. Rxc5 $4 {Blunder. Rf3 was best.} (47. Rf3
hxg3 48. Rxg3 Rf1 49. Rxc5 Rhxf2 50. Rc7 Kg7 51. Re3 Rf4+ 52. Kg3 Kh6 53. Ra7
g5) 47... Rxf2 48. Kxh4 Kg7 49. Kg4 Kh6 50. Rf3 f5+ 51. Kf4 Re2 52. Re3 Rf1+
0-1
[Event "Round 9: Lucas Costamilan Tomiello - Iva"]
[Site "lichess.org"]
[Date "2023.11.11"]
[Round "9.2"]
[White "Lucas Costamilan Tomiello"]
[Black "Ivan Excender Soriano Quispe"]
[Result "1-0"]
[ECO "C77"]
[WhiteElo "2279"]
[BlackElo "2214"]
[Annotator "Stockfish 16"]
[PlyCount "85"]
[EventDate "2023.??.??"]
{[%evp 0,85,26,18,18,18,18,11,17,-6,4,4,5,-19,3,6,3,-34,-21,-30,4,-3,-4,-16,-6,
-26,-16,-18,5,10,7,2,33,23,30,-18,-1,16,30,42,48,34,34,42,45,43,43,53,56,33,44,
34,34,34,19,9,32,22,98,101,101,101,163,198,163,151,161,161,169,211,304,287,325,
324,324,324,327,314,342,332,350,367,371,376,383,329,425,432]} 1. e4 e5 2. Nf3
Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d3 d6 6. c3 g6 7. O-O Bg7 8. Re1 O-O 9. Nbd2 Nd7
10. Nf1 Nc5 11. Bc2 Ne6 12. Ng3 Qf6 13. Be3 Nf4 14. h3 h5 15. d4 h4 $6 {
Inaccuracy. Bh6 was best.} (15... Bh6) 16. Nf1 Bd7 17. dxe5 $6 {Inaccuracy.
N1h2 was best.} (17. N1h2 Rfd8 18. Qd2 Na5 19. b3 b5 20. Kh1 c5 21. d5 Nb7 22.
g3 Nxh3 23. Kg2 b4) 17... Nxe5 18. Nxe5 Qxe5 19. Nh2 $6 {Inaccuracy. Qd2 was
best.} (19. Qd2 Bh6 20. Kh1 Qf6 21. Nh2 Rfe8 22. Rg1 Bg5 23. Rae1 Rad8 24. Ref1
c5 25. g3 Nxh3) 19... Qg5 20. Qf3 Be5 21. Kh1 Qf6 22. Rad1 Rad8 23. Bb3 Kg7 24.
Rd2 Rh8 25. Qd1 Qg5 26. Rg1 Bc6 27. Rd4 Rde8 $6 {Inaccuracy. Bd7 was best.} (
27... Bd7 28. a4 b6 29. Nf3 Qe7 30. Rd2 a5 31. Bd5 c5 32. Re1 g5 33. Nh2 Nxd5
34. Rxd5) 28. Qd2 Qf6 $6 {Inaccuracy. Bb5 was best.} (28... Bb5 29. a4) 29. Ng4
Qg5 30. Bd5 Bd7 31. Nxe5 dxe5 32. Bxf7 exd4 $6 {Inaccuracy. Ref8 was best.} (
32... Ref8 33. Rxd7 Rxf7 34. Rxf7+ Kxf7 35. Bxf4 exf4 36. Rd1 Re8 37. Qd7+ Re7
38. Qd8 Qe5 39. f3) 33. Bxf4 dxc3 34. Qxd7 Re7 35. Qd4+ Qf6 36. e5 Qb6 37. Qxb6
cxb6 38. e6 Rd8 39. bxc3 Rd5 40. Be3 b5 41. Bd4+ Kf8 42. Rd1 b4 43. Bg7+ 1-0
[Event "Round 9: Juan Martin Ibarra - Ilan Schna"]
[Site "lichess.org"]
[Date "2023.11.11"]
[Round "9.3"]
[White "Juan Martin Ibarra"]
[Black "Ilan Schnaider"]
[Result "0-1"]
[ECO "B94"]
[WhiteElo "2213"]
[BlackElo "2333"]
[Annotator "Stockfish 16"]
[PlyCount "90"]
[EventDate "2023.??.??"]
{[%evp 0,90,26,18,45,45,91,61,67,30,26,21,56,52,67,52,55,59,49,-18,-20,-29,48,
5,22,0,-26,-18,-18,-5,6,-58,22,-39,-54,-58,-54,-72,-63,-98,-70,-112,-107,-137,
-7,93,-41,-28,-52,-26,-26,-48,58,-35,-41,0,0,0,0,0,0,0,0,0,0,0,0,-25,-54,-43,
-10,-60,-36,-36,-26,-21,-59,-71,17,25,28,-47,0,0,0,-795,-937,-533,-1605,-29985,
-29986,-29987,-29988]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6.
Bg5 Nbd7 7. Bc4 Qb6 8. Bb3 e6 9. Bxf6 Nxf6 10. Qd2 Nd7 11. O-O-O Nc5 12. f4 Bd7
13. Kb1 Be7 14. f5 Bf6 15. g4 $6 {Inaccuracy. Nf3 was best.} (15. Nf3 O-O-O 16.
Rhe1 Kb8 17. Ng5 Rdf8 18. Nf3) 15... O-O-O 16. Rhf1 h6 17. Nde2 Bc6 18. Nf4 $6
{Inaccuracy. Nd4 was best.} (18. Nd4 Rhe8 19. fxe6 fxe6 20. Rxf6 gxf6 21. Qxh6
Bxe4 22. Nxe4 Nxe4 23. Nxe6 Nc3+ 24. bxc3 Rxe6) 18... Rhe8 19. Nh5 $6 {
Inaccuracy. Qe3 was best.} (19. Qe3 Kb8) 19... Be5 20. fxe6 fxe6 21. Rf7 a5 $2
{Mistake. Rf8 was best.} (21... Rf8 22. Rdf1) 22. Nxg7 a4 23. Nxe8 Bxe8 24. Rf8
$6 {Inaccuracy. Rh7 was best.} (24. Rh7 axb3) 24... axb3 25. axb3 $6 {
Inaccuracy. cxb3 was best.} (25. cxb3 Qb4) 25... Kc7 26. Rdf1 $6 {Inaccuracy.
b4 was best.} (26. b4 Qa6) 26... Ra8 $4 {Blunder. Qa6 was best.} (26... Qa6)
27. R1f7+ Nd7 28. Re7 Qa5 29. Nb5+ Qxb5 30. Rexe8 Rxe8 31. Rxe8 Nc5 32. Re7+
Kb8 33. Qxh6 Qf1+ 34. Qc1 $2 {Mistake. Ka2 was best.} (34. Ka2 Nxb3 35. cxb3
Qa6+ 36. Kb1 Qd3+ 37. Kc1 Bd4 38. Qf8+ Ka7 39. Rxb7+ Kxb7 40. Qe7+ Kc6) 34...
Qe2 $2 {Mistake. Qf8 was best.} (34... Qf8 35. Qg5 Bf6 36. Re8+ Qxe8 37. Qxf6
Nxe4 38. Qf4 Qg6 39. h4 e5 40. Qf8+ Kc7 41. g5) 35. Re8+ Kc7 36. Re7+ $2 {
Mistake. h4 was best.} (36. h4 Qxe4 37. Qf1 Nxb3 38. Qb5 Qh1+ 39. Ka2 Qa1+ 40.
Kxb3 Qxb2+ 41. Ka4 Qa1+ 42. Kb3) 36... Kd8 37. Rf7 Nxe4 38. c4 Nd2+ 39. Ka2 Kc8
$4 {Blunder. Ne4 was best.} (39... Ne4 40. Kb1) 40. Qc2 Qe3 41. c5 dxc5 42. g5
$4 {Checkmate is now unavoidable. b4 was best.} (42. b4 Ne4 43. Qc4 Nc3+ 44.
bxc3 Qd2+ 45. Kb1 Qd1+ 46. Kb2 Qd2+) 42... c4 43. Rf8+ Kd7 44. Qh7+ Kc6 45.
Rc8+ Kb6 0-1
[Event "Round 9: Luigy Lira De Siqueira - Fabian"]
[Site "lichess.org"]
[Date "2023.11.11"]
[Round "9.4"]
[White "Luigy Lira De Siqueira"]
[Black "Fabian Ricardo Reyes Zavaleta"]
[Result "0-1"]
[ECO "B81"]
[WhiteElo "2179"]
[BlackElo "2122"]
[Annotator "Stockfish 16"]
[PlyCount "52"]
[EventDate "2023.??.??"]
{[%evp 0,52,26,18,45,49,78,77,78,21,26,24,92,61,54,12,17,8,-3,1,-7,2,7,10,11,
20,20,-30,13,21,68,86,40,44,44,112,113,27,30,52,0,0,0,-56,104,-162,-170,-125,0,
-253,-339,-425,-410,-647,-647]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5.
Nc3 e6 6. g4 h6 7. h4 Nc6 8. Rg1 d5 9. exd5 Nxd5 10. Nxd5 Qxd5 11. Bg2 Qc4 12.
Nxc6 bxc6 13. Be3 Ba6 14. c3 Qb5 $4 {Blunder. Rd8 was best.} (14... Rd8 15. Qc2
) 15. Qf3 $6 {Inaccuracy. a4 was best.} (15. a4 Qb7 16. Qd4 e5 17. Qxe5+ Be7
18. Bd4 Bc4 19. O-O-O O-O-O 20. Be4 g6 21. Bxc6 Qxc6) 15... Rc8 16. O-O-O Be7
17. g5 hxg5 18. hxg5 Qa4 19. g6 f5 $6 {Inaccuracy. f6 was best.} (19... f6 20.
Qe4 Qxe4 21. Bxe4 Bc4 22. Rd4 Bb5 23. Bc2 c5 24. Re4 e5 25. f4 Bc6 26. Ba4) 20.
Rh1 $6 {Inaccuracy. Rd4 was best.} (20. Rd4 Qxa2 21. Qxc6+ Rxc6 22. Bxc6+ Kf8
23. Rgd1 Qa5 24. Ra4 Qc7 25. Rxa6 Qc8 26. Bb5 f4) 20... Rg8 $4 {Blunder. Rxh1
was best.} (20... Rxh1 21. Rxh1 Qxa2 22. Rh8+ Kd7 23. Qd1+ Bd6 24. Qd4 Qa1+ 25.
Kc2 Bd3+ 26. Kxd3 e5 27. Bxc6+) 21. Rd4 Qxa2 22. Rhd1 $4 {Blunder. Qxc6+ was
best.} (22. Qxc6+) 22... Bb5 23. Qf4 c5 $2 {Mistake. Rf8 was best.} (23... Rf8
24. Bf1 Bxf1 25. Rd7 Ba3 26. bxa3 Qxa3+ 27. Kc2 Qa2+ 28. Kc1 Qa1+ 29. Kc2) 24.
Re4 $4 {Blunder. Bf1 was best.} (24. Bf1 Bc6) 24... Rf8 25. Rxe6 $6 {
Inaccuracy. Rc4 was best.} (25. Rc4 Qa1+ 26. Kc2 Qa6 27. Bf1 Rf6 28. Bc1 Rxg6
29. Be2 Rg4 30. Bxg4 Bxc4 31. Bh5+ Kf8) 25... Qxe6 26. Re1 $6 {Inaccuracy. Bd5
was best.} (26. Bd5 Qxg6 27. Re1 Kd7 28. c4 Bd6 29. Qf3 Bc6 30. Rd1 Bxd5 31.
Rxd5 Rc6 32. Bf4 Rd8) 26... Qa2 0-1
[Event "Round 9: Kaua Marques Silva - Pranav Sat"]
[Site "lichess.org"]
[Date "2023.11.11"]
[Round "9.5"]
[White "Kaua Marques Silva"]
[Black "Pranav Sathish"]
[Result "0-1"]
[ECO "B40"]
[WhiteElo "2235"]
[BlackElo "2412"]
[Annotator "Stockfish 16"]
[PlyCount "92"]
[EventDate "2023.??.??"]
{[%evp 0,92,26,18,49,37,51,10,32,-14,26,-1,-5,-3,-11,-15,-10,-17,2,0,0,-13,-9,
-4,3,-4,0,4,17,17,5,15,17,17,11,23,43,33,36,32,112,105,110,78,78,89,94,61,89,
28,11,12,19,16,45,5,28,29,49,46,48,-83,-103,-90,-95,-77,-120,-103,-75,-42,-52,
-107,-113,-113,-98,-219,-232,-285,-305,-282,-354,-363,-335,-433,-481,-503,-477,
-497,-449,-492,-252,-288,-249,-445,-463]} 1. e4 c5 2. Nf3 e6 3. g3 Nc6 4. Bg2
Nf6 5. Qe2 e5 6. O-O Be7 7. c3 O-O 8. Re1 Re8 9. d3 d6 10. Bg5 h6 11. Bxf6 Bxf6
12. Nbd2 Be6 13. Nc4 d5 14. exd5 Bxd5 15. Ne3 Be6 16. Nd2 Qd7 17. h4 Be7 18.
Ndc4 f6 19. Be4 f5 $6 {Inaccuracy. b5 was best.} (19... b5 20. Qf3 Rac8 21. Nd2
Bd8 22. a4 b4 23. g4 Ne7 24. Bb7 Rb8 25. Ba6 c4 26. Ndxc4) 20. Bxc6 Qxc6 21.
Nxe5 Qc7 22. f4 $6 {Inaccuracy. Ng6 was best.} (22. Ng6 Qd7 23. Qf3 Bd6 24. h5
Rad8 25. c4 b5 26. b3 Kh7 27. Rad1 Bc7 28. Nd5 Bxd5) 22... Bf6 23. Nc2 $6 {
Inaccuracy. d4 was best.} (23. d4) 23... Bd5 $6 {Inaccuracy. Rad8 was best.} (
23... Rad8) 24. Qe3 $6 {Inaccuracy. Ne3 was best.} (24. Ne3) 24... Rad8 25. c4
Bc6 26. Re2 Bxe5 27. fxe5 f4 28. gxf4 Qf7 29. d4 Qxc4 30. Qb3 $2 {Mistake. Rd2
was best.} (30. Rd2 Qf7) 30... Qxb3 31. axb3 cxd4 32. Rf2 d3 33. Ne3 g5 $6 {
Inaccuracy. Rf8 was best.} (33... Rf8 34. Nc4 Rd4 35. Raf1 Bd7 36. Kh2 Bg4 37.
Kg3 Be2 38. Ra1 Rc8 39. f5 h5 40. e6) 34. Ng4 $6 {Inaccuracy. hxg5 was best.} (
34. hxg5 hxg5) 34... Kg7 35. fxg5 hxg5 36. Rf5 gxh4 37. Raf1 $6 {Inaccuracy.
Kh2 was best.} (37. Kh2 Re6) 37... Re6 38. Kh2 $6 {Inaccuracy. Rf7+ was best.}
(38. Rf7+ Kg8 39. R7f4 d2 40. Rd1 Rg6 41. Kf2 h3 42. Ke3 Kg7 43. b4 Rd5 44.
Rxd2 Rxd2) 38... d2 39. Ne3 Rd3 40. Rf7+ Kg6 41. Nd1 Rxe5 42. R7f6+ Kg5 43.
R6f2 Bd7 44. Rg2+ Rg3 $6 {Inaccuracy. Kh5 was best.} (44... Kh5 45. Rf8 Re8 46.
Rxe8 Bxe8 47. Rg7 Bc6 48. Kg1 Bf3 49. Nf2 Rxb3 50. Rh7+ Kg5 51. Rg7+) 45. Rxd2
Bc6 46. Rdf2 $6 {Inaccuracy. Rg1 was best.} (46. Rg1 Rxg1) 46... Bb5 0-1
[Event "Round 9: Henry Richard Vasquez Vargas - "]
[Site "lichess.org"]
[Date "2023.11.11"]
[Round "9.6"]
[White "Henry Richard Vasquez Vargas"]
[Black "Facundo Vazquez"]
[Result "1/2-1/2"]
[ECO "D01"]
[WhiteElo "2216"]
[BlackElo "2407"]
[Annotator "Stockfish 16"]
[PlyCount "80"]
[EventDate "2023.??.??"]
{[%evp 0,80,26,26,29,22,18,14,8,8,23,38,27,20,20,23,17,17,-2,2,-5,-5,-1,-20,
-24,-40,-33,-48,-58,-38,-38,-23,-25,-21,-20,-20,-17,-29,-50,-50,-54,-48,-48,
-57,-44,-54,-57,-54,-45,-42,-46,-62,-73,-64,-69,-69,-63,-79,-81,-85,-77,-84,
-87,-75,-64,-87,-61,-61,-61,-61,-61,-51,-64,-77,-85,-81,-75,-75,-75,-75,-75,
-475,-75]} 1. d4 Nf6 2. Nc3 d5 3. Bf4 e6 4. e3 Bb4 5. Bd3 c5 6. dxc5 Nbd7 7.
Nge2 a6 8. Bg3 Nxc5 9. a3 Nxd3+ 10. Qxd3 Be7 11. O-O-O O-O 12. e4 dxe4 13. Nxe4
Qxd3 14. Nxf6+ Bxf6 15. Rxd3 b5 16. f3 Bb7 17. Rhd1 Rfc8 18. Nc3 Bxc3 19. Rxc3
Rxc3 20. bxc3 Bd5 21. Rd4 Rc8 22. Kd2 f6 23. a4 Kf7 24. axb5 axb5 25. Be1 Ra8
26. Rb4 Bc4 27. Rb1 Ra2 28. Rc1 e5 29. Bf2 Ke6 30. Bc5 $6 {Inaccuracy. h4 was
best.} (30. h4) 30... h5 $6 {Inaccuracy. Kf5 was best.} (30... Kf5) 31. h4 f5
32. g3 Bd5 33. Ke3 Ra4 34. Bb4 Ra2 35. f4 e4 36. Bf8 g6 37. Bb4 Bc4 38. Bf8 Ra8
39. Bb4 Ra2 40. Ba3 $4 {Blunder. Bc5 was best.} (40. Bc5 Kd7 41. Kd4 Be2 42.
Bb4 Kc6 43. Ke3 Bg4 44. Kd4 Ra4 45. Rb1 Ra8 46. c4 bxc4) 40... Be2 $4 {Blunder.
Rxa3 was best.} (40... Rxa3 41. Kd4 Kd6 42. g4 fxg4 43. Rd1 g3 44. Rg1 Be6 45.
Rxg3 Bf5 46. Rg1 e3 47. Rxg6+) 1/2-1/2
[Event "U20 Pan-American Chess Championship Open"]
[Site "Sede Social CFCSN - Rua Gen. O"]
[Date "2023.11.11"]
[Round "9.7"]
[White "Labussiere, Yago"]
[Black "Piccoli, Lucas Fonseca"]
[Result "1/2-1/2"]
[ECO "A30"]
[WhiteElo "2185"]
[BlackElo "2225"]
[PlyCount "91"]
[EventDate "2023.11.06"]
[EventRounds "9"]
[EventCountry "BRA"]
1. c4 e6 2. Nf3 Nf6 3. g3 b6 4. Bg2 Bb7 5. O-O c5 6. d4 cxd4 7. Qxd4 Be7 8. Nc3
d6 9. b3 O-O 10. Rd1 Nbd7 11. Bb2 a6 12. h3 Qc7 13. Rac1 Rac8 14. Qf4 Ne5 15.
Qe3 Ned7 16. g4 Rfd8 17. g5 Nh5 18. h4 Bf8 19. Ne1 Qb8 20. Nd3 b5 21. cxb5 Bxg2
22. Kxg2 axb5 23. Qf3 g6 24. e3 Bg7 25. a3 Nc5 26. Nxc5 Rxc5 27. e4 Rdc8 28.
Rd3 Be5 29. Kg1 b4 30. axb4 Qxb4 31. Kf1 Qxb3 32. Nd1 Qb5 33. Rxc5 Rxc5 34.
Bxe5 dxe5 35. Kg1 Rc1 36. Rd8+ Kg7 37. Qa3 Rxd1+ 38. Rxd1 Qe2 39. Rd8 Qe1+ 40.
Kg2 Nf4+ 41. Kf3 Qe2+ 42. Kg3 Nh5+ 43. Kg2 Nf4+ 44. Kg3 Nh5+ 45. Kg2 Nf4+ 46.
Kg3 1/2-1/2
[Event "U20 Pan-American Chess Championship Open"]
[Site "Sede Social CFCSN - Rua Gen. O"]
[Date "2023.11.11"]
[Round "9.8"]
[White "Castro Salgado, Pablo"]
[Black "Montes Orozco, Miguel Angel"]
[Result "1/2-1/2"]
[ECO "D38"]
[WhiteElo "2150"]
[BlackElo "2097"]
[PlyCount "104"]
[EventDate "2023.11.06"]
[EventRounds "9"]
[EventCountry "BRA"]
1. d4 Nf6 2. Nf3 e6 3. c4 d5 4. Nc3 Bb4 5. cxd5 exd5 6. Bg5 h6 7. Bh4 g5 8. Bg3
Ne4 9. Nd2 Nxg3 10. hxg3 c6 11. Qc2 Be6 12. a3 Be7 13. O-O-O Nd7 14. e4 Qb6 15.
f4 dxe4 16. Bc4 e3 17. Bxe6 exd2+ 18. Rxd2 fxe6 19. Qg6+ Kd8 20. Qxe6 Bf6 21.
Re1 Kc7 22. Rc2 Rae8 23. Nd5+ Kd8 24. Nxb6 Rxe6 25. Rxe6 axb6 26. d5 cxd5 27.
f5 Re8 28. Rf2 Nc5 29. Rd6+ Kc7 30. Rxd5 Re1+ 31. Kd2 Rb1 32. Ke3 Rxb2 33. Rxb2
Bxb2 34. Kf3 Nd7 35. a4 Nf6 36. Rd2 Be5 37. g4 Ba1 38. Rd1 Bb2 39. Rb1 Bd4 40.
Rh1 Ng8 41. Rc1+ Bc5 42. Re1 Nf6 43. Rh1 Bf8 44. Rd1 Bc5 45. Rf1 Bb4 46. Rh1
Bf8 47. Rc1+ Kd7 48. Re1 Bc5 49. Re6 Bd4 50. Re1 Bc5 51. Rh1 Bf8 52. Rd1+ Bd6
1/2-1/2
[Event "U20 Pan-American Chess Championship Open"]
[Site "Sede Social CFCSN - Rua Gen. O"]
[Date "2023.11.11"]
[Round "9.9"]
[White "Filgueiras, Nathan Felipe"]
[Black "Munoz Ramos, Christopher"]
[Result "1-0"]
[ECO "B81"]
[WhiteElo "2323"]
[BlackElo "2038"]
[PlyCount "105"]
[EventDate "2023.11.06"]
[EventRounds "9"]
[EventCountry "BRA"]
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. h3 e6 7. g4 h6 8. Bg2
Be7 9. Be3 Nc6 10. Qd2 e5 11. Nde2 Be6 12. Ng3 h5 13. g5 Nd7 14. Nd5 Bxd5 15.
exd5 Na5 16. b3 g6 17. Ne4 b6 18. f4 O-O 19. fxe5 Nxe5 20. O-O Nb7 21. Nf6+ Kg7
22. Bd4 Qc7 23. Rae1 Rac8 24. Rf2 Rh8 25. Qf4 Rcf8 26. Rxe5 dxe5 27. Bxe5 Qc8
28. d6 Nxd6 29. Ne8+ Kh7 30. Nxd6 Qe6 31. c4 f6 32. gxf6 Bxd6 33. Bxd6 Rd8 34.
Be5 Rd1+ 35. Kh2 Re1 36. Bc3 Re3 37. Bd2 Re8 38. Bxe3 Qf7 39. Bd5 Qf8 40. f7
Rd8 41. Qh6+ Qxh6 42. Bxh6 Kxh6 43. f8=Q+ Rxf8 44. Rxf8 Kg7 45. Rb8 Kh6 46.
Rxb6 a5 47. c5 a4 48. c6 axb3 49. axb3 h4 50. c7 Kh7 51. c8=Q g5 52. Qc7+ Kh8
53. Rb8# 1-0
[Event "U20 Pan-American Chess Championship Open"]
[Site "Sede Social CFCSN - Rua Gen. O"]
[Date "2023.11.11"]
[Round "9.10"]
[White "Varillas Jimenez, Ivan"]
[Black "Ribeiro, Matheus Mendes Domin"]
[Result "1/2-1/2"]
[ECO "C15"]
[WhiteElo "1985"]
[BlackElo "2150"]
[PlyCount "40"]
[EventDate "2023.11.06"]
[EventRounds "9"]
[EventCountry "BRA"]
1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. Nge2 dxe4 5. a3 Bxc3+ 6. Nxc3 Nc6 7. d5 exd5 8.
Qxd5 Be6 9. Qxe4 Nf6 10. Qa4 Qd4 11. Bb5 Qxa4 12. Bxa4 O-O-O 13. Bxc6 bxc6 14.
Be3 Ng4 15. Nd1 f5 16. Bg5 Rd7 17. h3 Nf6 18. O-O Ne4 19. Be3 Rhd8 20. Rc1 a5
1/2-1/2
[Event "U20 Pan-American Chess Championship Open"]
[Site "Sede Social CFCSN - Rua Gen. O"]
[Date "2023.11.11"]
[Round "9.11"]
[White "Reyes Zavaleta, Cristhian Yamil"]
[Black "Casalaspro, Mathias Andre"]
[Result "1-0"]
[ECO "E94"]
[WhiteElo "1804"]
[BlackElo "2060"]
[PlyCount "107"]
[EventDate "2023.11.06"]
[EventRounds "9"]
[EventCountry "BRA"]
1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 Nbd7 7. O-O e5 8. dxe5
dxe5 9. b4 c6 10. c5 Re8 11. Qb3 Qc7 12. a4 Nf8 13. b5 Ne6 14. Qb4 Bf8 15. a5
Nxc5 16. Qb1 Ne6 17. Be3 c5 18. Bc4 Nd4 19. Ng5 Be6 20. Nxe6 fxe6 21. b6 Qd8
22. Na4 $11 a6 23. f3 Kh8 24. Qa2 Qd7 25. Rfc1 Rac8 26. Bf1 Rc6 27. Rc4 Rec8
28. Nb2 Qf7 29. Nd3 Nd7 30. Rac1 Bd6 31. Be2 Qf8 32. Bd1 Nxb6 33. axb6 Rxb6 34.
Qf2 Rbc6 35. f4 Qg7 36. Nxe5 Bxe5 37. fxe5 Qxe5 38. Rxd4 Qg7 39. Rdc4 b6 40.
Bg4 Rf8 41. Qe2 e5 42. Rf1 h5 43. Rxf8+ Qxf8 44. Bf3 b5 45. Rc1 c4 46. Rf1 Rf6
47. Qb2 Qe8 48. Bg5 Rd6 49. Be2 Kg7 50. Qc1 Qd7 51. Qe3 Re6 52. Qg3 Qd4+ 53.
Kh1 c3 54. Qf3 1-0
[Event "U20 Pan-American Chess Championship Open"]
[Site "Sede Social CFCSN - Rua Gen. O"]
[Date "2023.11.11"]
[Round "9.12"]
[White "Tomiello, Mateus Costamilan"]
[Black "Nascimento, Luiz Eduardo Da Trin"]
[Result "1-0"]
[ECO "A29"]
[WhiteElo "2145"]
[BlackElo "1877"]
[PlyCount "41"]
[EventDate "2023.11.06"]
[EventRounds "9"]
[EventCountry "BRA"]
1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 Bc5 5. Bg2 d6 6. O-O O-O 7. d3 a6 8. a3
Be6 9. b4 Ba7 10. Rb1 Ne7 11. Bg5 Ng6 12. Ne4 b5 13. Qc2 Rc8 14. h4 Bg4 15. Nh2
Bf5 16. h5 Bxe4 17. Bxe4 Ne7 18. Bxf6 gxf6 19. Qd2 c6 20. Ng4 f5 21. Qh6 1-0
[Event "U20 Pan-American Chess Championship Open"]
[Site "Sede Social CFCSN - Rua Gen. O"]
[Date "2023.11.11"]
[Round "9.13"]
[White "Lima, Carlos Eduardo I De "]
[Black "Seccafim, Caic Dos Santos"]
[Result "1-0"]
[ECO "E90"]
[WhiteElo "1857"]
[BlackElo "2062"]
[PlyCount "101"]
[EventDate "2023.11.06"]
[EventRounds "9"]
[EventCountry "BRA"]
1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. h3 O-O 6. Nf3 c5 7. d5 b5 8. cxb5 a6
9. a4 axb5 10. Bxb5 Ba6 11. Bg5 h6 12. Be3 Qa5 13. O-O Nbd7 14. Qd3 Rfb8 15.
Rfb1 Ne8 16. Kh2 Kh7 17. Nd2 Bxb5 18. Nxb5 Nc7 19. Nc4 Ne5 20. Nxe5 Bxe5+ 21.
f4 Bg7 22. Bd2 Qb6 23. Nxc7 Qxc7 24. Ra2 c4 25. Qc2 Qc5 26. Ra3 Ra6 27. a5 e6
28. dxe6 fxe6 29. e5 d5 30. Rg3 Qe7 31. Qxg6+ Kh8 32. Re1 Rxb2 33. f5 exf5 34.
Qxa6 Rxd2 35. Qa8+ Qf8 36. Qxf8+ Bxf8 37. Rb1 f4 38. Rg4 h5 39. Rxf4 Bh6 40.
Rf7 Bg7 41. Rb8+ Kh7 42. Rbb7 c3 43. Rxg7+ Kh6 44. Rbc7 c2 45. Rgd7 d4 46. h4
Kg6 47. a6 Kf5 48. a7 c1=Q 49. Rxc1 Ra2 50. Rc8 d3 51. a8=Q 1-0
[Event "U20 Pan-American Chess Championship Open"]
[Site "Sede Social CFCSN - Rua Gen. O"]
[Date "2023.11.11"]
[Round "9.14"]
[White "Errazola, Mauricio"]
[Black "Nascimento, Nicolas Daniel Trind"]
[Result "0-1"]
[ECO "D35"]
[WhiteElo "1725"]
[BlackElo "1797"]
[PlyCount "84"]
[EventDate "2023.11.06"]
[EventRounds "9"]
[EventCountry "BRA"]
1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. cxd5 exd5 5. Bg5 Nbd7 6. e3 Be7 7. Bd3 c6 8.
Nge2 O-O 9. O-O h6 10. Bh4 Re8 11. f3 c5 12. Bf2 cxd4 13. Nxd4 Ne5 14. Bc2 Nc4
15. Rb1 Bb4 16. Qd3 Ne5 17. Qe2 a6 18. Bb3 Bc5 19. Na4 Ba7 20. Rbc1 Neg4 21.
Qd3 Nxf2 22. Rxf2 Bd7 23. Nc5 Qe7 24. Nxd7 Qxd7 25. Rfc2 Qd6 26. Rc7 Qe5 27.
Nf5 b5 28. R1c2 Bxe3+ 29. Nxe3 Qxe3+ 30. Qxe3 Rxe3 31. Rd2 Rd8 32. Kf2 Re6 33.
g4 g5 34. Re2 Rdd6 35. Rec2 Nd7 36. Rc8+ Kg7 37. Rd8 Ne5 38. Rcc8 Nd3+ 39. Kg3
Rxd8 40. Rxd8 Nf4 41. Bd1 Re1 42. Bb3 Re2 0-1
[Event "U20 Pan-American Chess Championship Open"]
[Site "Sede Social CFCSN - Rua Gen. O"]
[Date "2023.11.11"]
[Round "9.15"]
[White "Cahuapaza Tarapaca, Leonardo"]
[Black "Reyes Zavaleta, Sergio Gabriel"]
[Result "1-0"]
[ECO "D10"]
[WhiteElo "1818"]
[BlackElo "1287"]
[PlyCount "73"]
[EventDate "2023.11.06"]
[EventRounds "9"]
[EventCountry "BRA"]
1. d4 d5 2. Bf4 Nf6 3. e3 Bf5 4. c4 c6 5. Nc3 e6 6. Qb3 Qc8 7. h3 Nbd7 8. Nf3
Ne4 9. Rc1 Nxc3 10. bxc3 a5 11. a4 Be7 12. Be2 O-O 13. O-O b6 14. cxd5 exd5 15.
c4 dxc4 16. Bxc4 Qb7 17. Rfe1 Bb4 18. Re2 Nf6 19. Ne5 b5 20. Bd3 Be6 21. Qb1
bxa4 22. Nxc6 Bd5 23. Rec2 Bxc6 24. Rxc6 Rac8 25. Rc7 Rxc7 26. Rxc7 Qb6 27. Qa2
Bd6 28. Bxd6 Qxd6 29. Rc5 Rb8 30. Qxa4 Qe6 31. Rxa5 Qc8 32. Rc5 Qd8 33. e4 Ra8
34. Qc4 Ra1+ 35. Kh2 Ra8 36. g3 g6 37. Rc7 1-0
[Event "U20 Pan-American Chess Championship Open"]
[Site "Sede Social CFCSN - Rua Gen. O"]
[Date "2023.11.11"]
[Round "9.16"]
[White "Da Fonseca Pinto, Joao Gabriel Alves"]
[Black "Andriska, Matheus Jose Amante"]
[Result "1/2-1/2"]
[ECO "C66"]
[WhiteElo "1762"]
[BlackElo "1261"]
[PlyCount "90"]
[EventDate "2023.11.06"]
[EventRounds "9"]
[EventCountry "BRA"]
1. e4 e5 2. Nf3 Nc6 3. Bb5 d6 4. d4 Bd7 5. O-O Nf6 6. Re1 a6 7. Bxc6 Bxc6 8.
dxe5 dxe5 9. Qxd8+ Rxd8 10. Nxe5 Bb5 11. a4 Bd7 12. Nxd7 Rxd7 13. Bg5 Be7 14.
Nc3 O-O 15. Rad1 Rfd8 16. Rxd7 Rxd7 17. f3 h6 18. Bxf6 Bxf6 19. Rd1 Rxd1+ 20.
Nxd1 Kf8 21. Kf2 Ke7 22. Ke3 c5 23. Kd3 Kd6 24. Ne3 Kc6 25. b3 a5 26. Nd5 Bd4
27. Ne7+ Kd7 28. Nf5 Be5 29. Kc4 Kc6 30. h3 h5 31. g4 g6 32. Ne7+ Kd7 33. Nd5
Kc6 34. gxh5 gxh5 35. Ne7+ Kd7 36. Nf5 Kc6 37. Nh6 f6 38. Nf5 Bf4 39. Ng7 h4
40. Nf5 Bg5 41. Ne7+ Kd7 42. Nd5 Kc6 43. Ne7+ Kd7 44. Nf5 Kc6 45. Kd3 Kd7
1/2-1/2
[Event "U20 Pan-American Chess Championship Open"]
[Site "Sede Social CFCSN - Rua Gen. O"]
[Date "2023.11.11"]
[Round "9.17"]
[White "De Mattos, Pedro Benedito Flore"]
[Black "Nascimento, Kaio Vinicius Da Tri"]
[Result "0-1"]
[ECO "C42"]
[BlackElo "1310"]
[PlyCount "54"]
[EventDate "2023.11.06"]
[EventRounds "9"]
[EventCountry "BRA"]
1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Nf6 7. O-O Be7 8. h3
O-O 9. Bf4 Nbd7 10. Re1 Re8 11. Nbd2 Nf8 12. c3 Ne6 13. Bh2 c6 14. Qc2 h6 15.
Re2 Nf8 16. Rae1 Be6 17. Ne5 Bd6 18. Ndf3 Ne4 19. Bxe4 dxe4 20. Qxe4 Bxa2 21.
Qc2 Be6 22. Re3 Qc7 23. Nd3 Bxh2+ 24. Nxh2 Red8 25. Nf3 Ng6 26. Nde5 Nf4 27. c4
Qc8 0-1
