[Event "U20 Pan-American Chess Championship"]
[Site "Volta Redonda - Rio de Janeir"]
[Date "2023.11.08"]
[Round "4.1"]
[White "Ivan Excender Soriano Quispe"]
[Black "Pablo Castro Salgado"]
[Result "1-0"]
[ECO "A21"]
[WhiteElo "2214"]
[BlackElo "2150"]
[Annotator "Stockfish 16"]
[PlyCount "133"]
[EventDate "2023.11.06"]
[EventRounds "9"]
[EventCountry "BRA"]

{[%evp 0,133,26,-59,-58,-46,34,-19,36,1,20,20,11,21,46,9,10,6,9,6,25,31,13,7,
19,-11,22,45,48,-14,0,4,-3,2,57,20,22,7,35,-13,2,-46,11,-54,-76,-168,-168,-168,
-181,-176,-143,-175,-120,-143,-96,-125,-134,-169,-136,-128,-109,-167,-129,-125,
-122,-128,-111,-110,-73,-111,-101,-100,-77,-64,-84,-102,-73,-100,-117,-121,
-117,-118,-127,-129,-121,-91,-90,-94,-94,-141,-123,-124,-114,-184,-138,-120,
-97,-207,-186,-178,-176,-156,-106,-109,-130,-170,-74,-95,-29,-6,49,-73,116,-35,
98,324,324,324,581,823,831,851,853,580,918,918,978,1060,1060,1179,1380,29988,
29989,29990,29997,29998]} 1. c4 e5 2. Nc3 Bb4 3. g3 Bxc3 4. bxc3 d6 5. Bg2 Nc6
6. Rb1 Nge7 7. d3 O-O 8. Nf3 Rb8 9. O-O f5 10. d4 e4 11. Nd2 $6 {Inaccuracy.
Nh4 was best.} (11. Nh4 Na5 12. f3 e3 13. Bxe3 h6 14. Bc1 g5 15. Nxf5 Bxf5 16.
e4 Be6 17. f4 Bxc4) 11... Na5 12. e3 Be6 13. Qe2 Qd7 14. Ba3 b6 15. f3 exf3 16.
Bxf3 c5 17. e4 Rbe8 18. Bb2 $6 {Inaccuracy. Rbe1 was best.} (18. Rbe1 f4 19.
Bh5 Ng6 20. Bxg6 hxg6 21. gxf4 Qa4 22. Bc1 cxd4 23. cxd4 Nxc4 24. Nf3 d5) 18...
Qa4 19. d5 Bf7 20. Qd1 Qd7 21. Rf2 Bg6 22. Ra1 $4 {Blunder. Qe2 was best.} (22.
Qe2 fxe4) 22... fxe4 23. Nxe4 Nxc4 24. Bc1 Ne5 $6 {Inaccuracy. Bxe4 was best.}
(24... Bxe4 25. Bxe4 Rxf2 26. Kxf2 Ng6 27. Bg2 Qf5+ 28. Kg1 Qe5 29. Bd2 Ne3 30.
Qe2 Nxg2 31. Qxg2) 25. Bg2 Rxf2 26. Nxf2 Nf5 27. Bf4 Nc4 28. Bh3 Qe7 $6 {
Inaccuracy. Qb7 was best.} (28... Qb7 29. Qf3 Nfe3 30. Bxe3 Rxe3 31. Qg4 Ne5
32. Qf4 Rf3 33. Be6+ Kh8 34. Qg5 Rf8 35. Qe3) 29. Qf3 $6 {Inaccuracy. Qa4 was
best.} (29. Qa4 Ne5) 29... h6 30. Bf1 $6 {Inaccuracy. Rf1 was best.} (30. Rf1
Qe2 31. Qxe2 Rxe2 32. Bg4 Re8 33. Nd1 h5 34. Bh3 b5 35. Kf2 Kf7 36. Re1 Ne5)
30... Ne5 $6 {Inaccuracy. Nfe3 was best.} (30... Nfe3 31. Re1 Qf7 32. Re2 Nxf1
33. Rxe8+ Qxe8 34. Kxf1 b5 35. h4 a5 36. g4 Bb1 37. a3) 31. Qd1 Qf7 32. Bb5 Re7
33. Be2 Kh7 34. Rc1 Qe8 35. Ra1 Nf7 36. Bd3 Ne5 37. Be2 Qf7 38. Qd2 b5 39. Rf1
$6 {Inaccuracy. Bxe5 was best.} (39. Bxe5 Rxe5 40. Bxb5 Ne3 41. Re1 Qxd5 42.
Qxd5 Nxd5 43. Rxe5 dxe5 44. Nd1 Bf7 45. a3 Kg6) 39... Qe8 40. Qc1 a6 41. a3 Qa8
42. Qd1 Qd8 43. h4 Kh8 44. Qc1 $2 {Mistake. h5 was best.} (44. h5 Bh7) 44...
Bh7 45. h5 Nc4 $2 {Mistake. Qe8 was best.} (45... Qe8 46. Ng4 Nc4 47. Bxc4 bxc4
48. Nf2 Re2 49. Qd1 a5 50. g4 Nh4 51. Kh2 Nf3+ 52. Kg3) 46. Bf3 $4 {Blunder.
Bxc4 was best.} (46. Bxc4 bxc4 47. Re1 Bg8 48. Rxe7 Qxe7 49. g4 Nh4 50. Qe3
Qxe3 51. Bxe3 Nf3+ 52. Kg2 Bxd5) 46... Ne5 $6 {Inaccuracy. Qe8 was best.} (
46... Qe8 47. Ng4 a5 48. Kg2 a4 49. Kg1 Qf7 50. Kg2 Qxh5 51. Nxh6 Re2+ 52. Bxe2
Qxe2+ 53. Rf2) 47. Be2 Nc4 $6 {Inaccuracy. Qe8 was best.} (47... Qe8 48. g4 Nf7
49. Bf3 Ne3 50. Re1 Nc4 51. Rxe7 Qxe7 52. Bg2 Qf6 53. Nh3 Qh4 54. Nf2) 48. Bf3
$2 {Mistake. Bxc4 was best.} (48. Bxc4 bxc4) 48... Nfe3 49. Re1 Nc2 $6 {
Inaccuracy. Qe8 was best.} (49... Qe8 50. Ng4 Nc2 51. Rxe7 Qxe7 52. Qf1 N2xa3
53. Be2 a5 54. Bd3 Bxd3 55. Qxd3 Qe1+ 56. Kg2) 50. Re6 Rxe6 $4 {Blunder. Bf5
was best.} (50... Bf5 51. Bg4 Bxe6 52. dxe6 N2xa3 53. Nd3 b4 54. Bg5 hxg5 55.
Qxg5 Ne5 56. Nxe5 dxe5 57. Bf5) 51. dxe6 Qe7 52. Bg4 $6 {Inaccuracy. Bd5 was
best.} (52. Bd5 N2xa3 53. Bxh6 gxh6 54. Qxh6 Nb6 55. Be4 Nc8 56. Bxh7 Qxh7 57.
Qf8+ Qg8 58. Qf6+ Qg7) 52... N2xa3 53. Qd1 a5 54. Qd5 b4 $4 {Blunder. a4 was
best.} (54... a4 55. Qc6 Na5 56. Qxd6 Qxd6 57. Bxd6 Bg8 58. Ne4 N3c4 59. Bxc5
Bxe6 60. Bxe6 a3 61. Bxa3) 55. cxb4 $4 {Blunder. Qc6 was best.} (55. Qc6 Qf8
56. Qc7 Bg8 57. e7 Qe8 58. Qd8 Bf7 59. Bd7 Qg8 60. cxb4 cxb4 61. Be6 Bxe6)
55... axb4 56. Qc6 Qf6 $4 {Blunder. Na5 was best.} (56... Na5 57. Qxd6 Qxd6 58.
Bxd6 Nb5 59. Bxc5 b3 60. Nd1 Be4 61. Nb2 Nb7 62. e7 N5d6 63. Bb4) 57. Qe8+ Bg8
58. e7 b3 $4 {Checkmate is now unavoidable. Nb5 was best.} (58... Nb5 59. Qxg8+
Kxg8 60. e8=Q+ Kh7 61. Be6 Qxe6 62. Qxe6 Ne5 63. Qf5+ Kh8 64. Qc8+ Kh7 65. Kh1)
59. Qxg8+ Kxg8 60. e8=Q+ Kh7 61. Ne4 Qa1+ 62. Kh2 Qb2+ 63. Kh3 Ne3 64. Bxe3 Qe5
65. Qg6+ Kg8 66. Be6+ Kh8 67. Qe8+ 1-0

[Event "U20 Pan-American Chess Championship"]
[Site "Volta Redonda - Rio de Janeir"]
[Date "2023.11.08"]
[Round "4.2"]
[White "Ivan Varillas Jimenez"]
[Black "Faustino Oro"]
[Result "0-1"]
[ECO "B40"]
[WhiteElo "1985"]
[BlackElo "2377"]
[Annotator "Stockfish 16"]
[PlyCount "70"]
[EventDate "2023.11.06"]
[EventRounds "9"]
[EventCountry "BRA"]

{[%evp 0,70,20,19,60,60,60,47,47,47,78,54,51,62,53,66,37,7,14,0,1,-51,-63,-54,
-46,-66,-66,-67,-67,-66,-66,-102,-79,-64,-32,-43,-21,-20,-17,-22,-3,15,48,-2,
103,66,111,42,54,54,49,54,63,10,45,27,41,14,14,-87,51,27,53,31,41,65,-58,-85,
-85,-558,-355,-29989,-29990]} 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Bc5 $6 {
Inaccuracy. Nf6 was best.} (4... Nf6 5. Nc3 Nc6 6. Bf4 d6 7. Ndb5 e5 8. Bg5 a6
9. Na3) 5. Nb3 Bb6 6. Nc3 Ne7 7. Qf3 $6 {Inaccuracy. Bf4 was best.} (7. Bf4 d5
8. Qh5 O-O 9. O-O-O Nd7 10. exd5 Nf6 11. Qf3 Nexd5) 7... O-O 8. Be3 f5 9. O-O-O
Nbc6 10. Qe2 $6 {Inaccuracy. Bxb6 was best.} (10. Bxb6 axb6 11. exf5 Nxf5 12.
Kb1 d5 13. Qh5 Bd7 14. a3 d4 15. Nb5 e5 16. Bd3 Nh6) 10... fxe4 11. Nxe4 d5 12.
Nc3 e5 13. Bxb6 axb6 14. a3 Be6 15. g3 d4 16. Ne4 $6 {Inaccuracy. Bg2 was best.
} (16. Bg2 Qc8 17. Nb5 Kh8 18. Kb1 Nd5 19. Rd2 Qd7 20. Re1 Bg8 21. Be4 Na5 22.
Nxa5 bxa5) 16... Qc8 $6 {Inaccuracy. Nd5 was best.} (16... Nd5) 17. Kb1 Bd5 $6
{Inaccuracy. Kh8 was best.} (17... Kh8) 18. Bg2 Qf5 19. Rhf1 Rad8 20. Nc1 Na5
$6 {Inaccuracy. Qg6 was best.} (20... Qg6 21. Rde1) 21. Nd3 Nec6 $6 {
Inaccuracy. Nc4 was best.} (21... Nc4 22. f4) 22. b3 $6 {Inaccuracy. f4 was
best.} (22. f4 exf4) 22... Rfe8 23. Rfe1 $4 {Blunder. f4 was best.} (23. f4 Qf8
24. Kb2 Kh8 25. Ng5 Bxg2 26. Qxg2 Nc4+ 27. bxc4 Na5 28. Qe4 Nxc4+ 29. Kc1 Qxa3+
) 23... Qf8 24. Kb2 Ra8 $2 {Mistake. b5 was best.} (24... b5 25. Ra1 Nc4+ 26.
Kc1 Nxa3 27. Qf3 Qe7 28. Qh5 Rf8 29. Qg5 Qxg5+ 30. Nxg5 Bxg2 31. Rxa3) 25. Ra1
Kh8 26. Bh1 $2 {Mistake. f4 was best.} (26. f4 b5 27. Ng5 Bxg2 28. Qxg2 h6 29.
Nf3 e4 30. Nh4 Qd6 31. Rxe4 Nc4+ 32. bxc4 bxc4) 26... Bg8 $6 {Inaccuracy. b5
was best.} (26... b5 27. Nd2) 27. Nd2 $6 {Inaccuracy. Qh5 was best.} (27. Qh5)
27... b5 28. Qh5 Bf7 29. Qg5 Qd6 30. f4 Qc7 31. Ne4 $6 {Inaccuracy. Bxc6 was
best.} (31. Bxc6 Qxc6) 31... Rac8 32. Rac1 $4 {Blunder. f5 was best.} (32. f5
Ne7 33. Nb4 h6 34. Qg4 d3 35. f6 gxf6 36. Qf3 f5 37. Rac1 Qb6 38. Nxd3 fxe4)
32... Nc4+ 33. bxc4 bxc4 34. Nb4 $6 {Inaccuracy. Nec5 was best.} (34. Nec5 cxd3
35. Qf5 Na5 36. Bxb7 Qxc5 37. Qxf7 d2 38. Bxc8 Nc4+ 39. Qxc4 Qxc4 40. Rxe5)
34... Nxb4 35. axb4 $2 {Checkmate is now unavoidable. Rb1 was best.} (35. Rb1
c3+ 36. Kc1 Nxc2 37. Nf6 Nxe1 38. Qf5 gxf6 39. Be4 Be6 40. Qxf6+ Qg7 41. Qxg7+
Kxg7) 35... c3+ 0-1

[Event "U20 Pan-American Chess Championship"]
[Site "Volta Redonda - Rio de Janeir"]
[Date "2023.11.08"]
[Round "4.3"]
[White "Nathan Felipe Filgueiras"]
[Black "Juan Martin Ibarra"]
[Result "1/2-1/2"]
[ECO "B12"]
[WhiteElo "2323"]
[BlackElo "2213"]
[Annotator "Stockfish 16"]
[PlyCount "108"]
[EventDate "2023.11.06"]
[EventRounds "9"]
[EventCountry "BRA"]

{[%evp 0,108,20,19,82,61,59,62,70,52,48,41,69,37,33,-1,56,47,3,-51,-28,-56,-53,
-53,-49,-49,-43,-37,-44,-56,-37,-35,-43,-46,-32,-61,-51,-66,-61,-52,-42,-41,
-15,-45,-43,-45,-49,-43,-38,-43,-21,-51,-28,-23,-7,-9,0,43,47,47,23,0,-10,-10,
-16,-11,0,3,15,31,57,29,70,37,64,70,81,96,99,52,40,43,76,63,56,56,61,58,52,52,
58,31,58,63,50,50,50,46,61,17,17,20,20,0,0,0,0,0,0,0,0]} 1. e4 c6 2. d4 d5 3.
e5 Bf5 4. Nf3 e6 5. Be2 c5 6. Be3 Qb6 7. Nc3 Nc6 8. Rb1 $2 {Mistake. O-O was
best.} (8. O-O Qxb2 9. Qe1 cxd4 10. Bxd4 Nxd4 11. Nxd4 Bb4 12. Rb1 Bxc3) 8...
Bg4 9. Bb5 Bxf3 10. gxf3 cxd4 11. Qxd4 Qxd4 12. Bxd4 Nge7 13. Ne2 Nf5 14. c3
Be7 15. f4 O-O 16. O-O Rac8 17. Be3 f6 18. exf6 Rxf6 19. Rbd1 Nd6 20. Bd3 a6
21. Rfe1 Nf5 22. Ng3 Nxe3 23. fxe3 Bc5 24. Kg2 Rcf8 25. Bc2 g6 26. b4 Ba7 27.
Bb3 Rc8 28. e4 Ne7 29. exd5 Nxd5 30. Bxd5 exd5 31. Rxd5 Rf7 32. Ne4 Bb8 33. Ng5
Rxf4 34. Re7 Rcf8 35. Ne4 Rg4+ 36. Ng3 Rgf4 37. Rdd7 Rf2+ 38. Kh3 $6 {
Inaccuracy. Kg1 was best.} (38. Kg1 R2f7 39. Rxb7 Be5 40. Ne4 Rf1+ 41. Kg2 Bxc3
42. Rxh7 Bd4 43. Rhd7 Rg1+ 44. Kh3 Be5) 38... R8f7 39. Rxb7 Rxe7 40. Rxe7 Bxg3
41. hxg3 Rxa2 42. c4 Rc2 43. c5 Rc4 44. Rb7 g5 45. g4 h6 46. Kg3 Kf8 47. Kf3
Ke8 48. Rb6 Kd7 49. Rd6+ Kc7 50. Rxa6 Rxb4 51. Rxh6 Rf4+ 52. Kg3 Rc4 53. Kf3
Rf4+ 54. Kg3 Rc4 1/2-1/2

[Event "U20 Pan-American Chess Championship"]
[Site "Volta Redonda - Rio de Janeir"]
[Date "2023.11.08"]
[Round "4.4"]
[White "Mateus Costamilan Tomiello"]
[Black "Diego Saul Rodri Flores Quill"]
[Result "0-1"]
[ECO "A29"]
[WhiteElo "2145"]
[BlackElo "2414"]
[Annotator "Stockfish 16"]
[PlyCount "106"]
[EventDate "2023.11.06"]
[EventRounds "9"]
[EventCountry "BRA"]

{[%evp 0,106,20,4,-23,-30,-22,-19,-19,-30,-8,-28,-18,-40,-58,-24,-24,-27,10,5,
20,20,20,20,48,20,37,54,60,-10,1,12,0,8,-4,-3,-40,-21,-31,-37,-32,-33,-53,-41,
-41,-48,-48,-51,-53,-77,-66,-75,-62,-60,-25,-33,-29,-33,-33,-29,-38,-38,-29,
-47,-47,-48,-51,-50,-35,-50,-52,-52,-47,-54,-53,-46,-42,-66,-43,-100,-106,-97,
-95,-109,-117,-124,-120,-134,-136,-164,-164,-244,-247,-242,-264,-281,-270,-319,
-316,-457,-491,-1465,-1544,-1719,-1780,-29985,-29986,-29987,-29988]} 1. c4 e5
2. Nc3 Nf6 3. Nf3 Nc6 4. g3 Bb4 5. Bg2 O-O 6. Qc2 Re8 7. O-O e4 8. Ng5 Bxc3 9.
bxc3 Qe7 10. d3 exd3 11. exd3 d6 12. Rb1 Qe2 13. Bd2 Ne5 14. Rfe1 $2 {Mistake.
d4 was best.} (14. d4 Nxc4 15. Rbe1 Qxd2 16. Rxe8+ Nxe8 17. Qxh7+ Kf8 18. Qh5
g6 19. Qh8+ Ke7 20. Qh4 Nf6) 14... Qxd3 15. Qxd3 Nxd3 16. Rxe8+ Nxe8 17. Bd5
Nf6 18. Bxf7+ Kf8 19. Bd5 h6 20. Ne6+ Bxe6 21. Bxe6 b6 22. Bf5 Ne5 23. Bf4 Nxc4
24. Rd1 Re8 25. Kf1 Ne5 26. h4 h5 $6 {Inaccuracy. a5 was best.} (26... a5) 27.
Bc2 Re7 28. Kg2 Ned7 29. Kf3 Ne5+ 30. Kg2 Neg4 31. Bg5 Re2 32. Rd2 Rxd2 33.
Bxd2 Kf7 $6 {Inaccuracy. Ne5 was best.} (33... Ne5) 34. f3 Ne5 35. Bb3+ d5 36.
Bd1 c5 37. Kf2 Ke6 38. Bg5 b5 39. Ke3 $6 {Inaccuracy. a4 was best.} (39. a4
bxa4) 39... a5 40. Be2 $6 {Inaccuracy. Ke2 was best.} (40. Ke2 b4 41. Bd2 Nc4
42. Be1 Nd6 43. Ba4 d4 44. cxd4 c4 45. Bc6 Nf5 46. Bf2 Nd5) 40... b4 41. cxb4
axb4 42. Kd2 g6 43. Bf4 c4 44. Ke3 $6 {Inaccuracy. Be3 was best.} (44. Be3 Nc6)
44... Nc6 45. Bh6 $2 {Mistake. Kd2 was best.} (45. Kd2 Nd7) 45... d4+ 46. Kd2
d3 47. Bd1 $6 {Inaccuracy. Bxd3 was best.} (47. Bxd3 cxd3) 47... Ne5 48. Bf8
Nd5 49. f4 $6 {Inaccuracy. Ke1 was best.} (49. Ke1 c3) 49... c3+ 50. Kc1 d2+
51. Kb1 Nc4 52. Bb3 $6 {Checkmate is now unavoidable. Kc2 was best.} (52. Kc2)
52... Na3+ 53. Ka1 c2 0-1

[Event "U20 Pan-American Chess Championship"]
[Site "Volta Redonda - Rio de Janeir"]
[Date "2023.11.08"]
[Round "4.5"]
[White "Lucas Fonseca Piccoli"]
[Black "Luigy Lira De Siqueira"]
[Result "1/2-1/2"]
[ECO "C50"]
[WhiteElo "2225"]
[BlackElo "2179"]
[Annotator "Stockfish 16"]
[PlyCount "139"]
[EventDate "2023.11.06"]
[EventRounds "9"]
[EventCountry "BRA"]

{[%evp 0,139,20,19,24,24,19,19,17,17,17,3,17,-36,-19,-50,-21,-14,-12,-12,-15,
-35,5,4,-1,7,23,-10,25,12,10,11,34,-10,60,41,29,45,60,42,95,45,76,44,36,48,49,
1,26,-33,-15,-22,-47,-40,-35,-33,99,33,54,-27,-44,-116,-45,-45,-33,-25,80,-19,
67,56,56,-74,-7,-37,-13,-67,-80,-76,-74,-101,28,-140,-41,-184,-184,-618,-618,
-572,-210,-260,-245,-245,-241,-252,-263,-247,-228,-228,-242,-289,-194,-207,
-197,-197,-177,-177,-182,-182,-42,-40,-40,-40,-40,-40,-40,-40,-40,-47,-45,-46,
-43,-54,-44,-54,-44,-44,-4,-40,-2,0,0,-43,-33,-33,-35,-35,-39,-17,-43,-46,0,0]
} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. d3 Nf6 5. Bg5 h6 6. Bh4 d6 7. c3 Be6 8.
Bxe6 fxe6 9. b4 Bb6 10. a4 a6 11. Nbd2 O-O 12. O-O Qe8 13. Nc4 Ba7 14. b5 Ne7
15. Rb1 axb5 16. axb5 Bb8 17. Re1 g5 $6 {Inaccuracy. Ng6 was best.} (17... Ng6
18. Bg3 Nh5 19. d4 exd4 20. cxd4 Ngf4 21. Qb3 Qf7 22. Kh1 Ba7 23. Ra1 g5 24. h3
) 18. Bg3 Qg6 19. Qe2 Nh5 20. d4 Nf4 21. Qd1 exd4 22. cxd4 Qh5 23. Re3 $6 {
Inaccuracy. Bxf4 was best.} (23. Bxf4 Rxf4) 23... Neg6 24. Ra1 $6 {Inaccuracy.
Kh1 was best.} (24. Kh1 g4 25. Ng1 d5 26. Ne5 Nxe5 27. dxe5 d4 28. Reb3 Qg6 29.
Bxf4 Rxf4 30. Rg3 h5) 24... Rxa1 25. Qxa1 g4 26. Nfd2 Qxb5 27. Rb3 Qh5 $2 {
Mistake. Qa6 was best.} (27... Qa6 28. Ra3) 28. Qd1 $2 {Mistake. Rxb7 was best.
} (28. Rxb7 d5) 28... b5 29. Ne3 Ba7 30. Ndf1 $6 {Inaccuracy. d5 was best.} (
30. d5 exd5 31. Rxb5 Ne5 32. Nxd5 Nfd3 33. Qb3 Qf7 34. Ne7+ Kh7 35. Qxf7+ Rxf7
36. Nf5 c6) 30... Qg5 31. d5 h5 32. Rxb5 Ne5 $6 {Inaccuracy. Bb6 was best.} (
32... Bb6 33. Bxf4) 33. Rb2 $6 {Inaccuracy. dxe6 was best.} (33. dxe6 Nf3+)
33... h4 34. Bxf4 Qxf4 35. Qe2 $6 {Inaccuracy. dxe6 was best.} (35. dxe6 Qxe4)
35... Qxe4 36. dxe6 Re8 37. Qb5 Rxe6 38. Rb4 Qg6 39. Qd5 Kh7 40. Qd1 Rf6 41. h3
Rxf2 42. Rb7 $4 {Blunder. Kxf2 was best.} (42. Kxf2 Nd3+ 43. Ke2 Nxb4 44. hxg4
Qe4 45. Qa4 Bb6 46. Qd7+ Kg6 47. Qc8 Nc6 48. Qg8+ Kf6) 42... Rxg2+ 43. Kh1 Ra2
$4 {Blunder. Bxe3 was best.} (43... Bxe3) 44. Rxc7+ Kh6 45. Nxg4+ Nxg4 46. Qxg4
Qxg4 47. hxg4 Bc5 48. Rf7 Kg5 49. Nh2 Ra1+ 50. Kg2 Rg1+ 51. Kf3 Rg3+ 52. Ke4
Re3+ 53. Kd5 Re2 $4 {Blunder. Rd3+ was best.} (53... Rd3+) 54. Rf5+ Kg6 55. Nf3
h3 56. Rh5 Rg2 57. Rxh3 Rxg4 58. Rh8 Kg7 59. Rh4 Rg2 60. Rf4 Rf2 61. Ke6 Re2+
62. Kd5 Re3 63. Kc6 Rd3 64. Ng5 Kg6 65. Ne6 Ba3 66. Rd4 Rc3+ 67. Kd5 Kf6 68.
Rf4+ Ke7 69. Nd4 Rd3 70. Rf3 1/2-1/2

[Event "U20 Pan-American Chess Championship"]
[Site "Volta Redonda - Rio de Janeir"]
[Date "2023.11.08"]
[Round "4.6"]
[White "Christopher Munoz Ramos"]
[Black "Henry Richard Vasquez Vargas"]
[Result "0-1"]
[ECO "E98"]
[WhiteElo "2038"]
[BlackElo "2216"]
[Annotator "Stockfish 16"]
[PlyCount "106"]
[EventDate "2023.11.06"]
[EventRounds "9"]
[EventCountry "BRA"]

{[%evp 0,106,20,20,11,6,36,43,37,49,42,33,44,46,56,38,65,79,82,55,68,23,48,34,
31,31,20,33,68,67,122,91,83,121,112,77,77,87,67,67,67,-10,59,52,97,19,19,13,21,
10,4,22,84,-42,47,97,76,-2,51,76,76,25,72,-13,-159,-163,-290,-407,-394,-394,
-388,-430,-430,-430,-430,-358,-290,-417,-396,-435,-442,-453,-550,-550,-585,
-542,-542,-704,-436,-428,-460,-465,-460,-986,-1123,-1234,-1453,-2677,-29990,
-29991,-29992,-29993,-29992,-29993,-29994,-29997,-29998,-29999,-30000]} 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 Nd7 10. Be3 f5 11. f3 f4 12. Bf2 g5 13. b4 Rf7 14. c5 Bf8 15. cxd6 $6 {
Inaccuracy. a4 was best.} (15. a4 Nf6) 15... cxd6 16. Nb5 Nf6 17. Rc1 Ng6 18.
Nxa7 Bd7 19. a4 g4 20. a5 g3 21. Bb6 Qe7 $6 {Inaccuracy. Qe8 was best.} (21...
Qe8 22. Rc7 Nh5 23. Qd2 gxh2+ 24. Kxh2 Ng3 25. Rxb7 Qe7 26. Kg1 Qh4 27. Nc6 Bh6
28. Nd3) 22. Bb5 gxh2+ 23. Kxh2 Bxb5 24. Nxb5 Nh5 25. Nd3 Rg7 26. Nf2 $6 {
Inaccuracy. Nc7 was best.} (26. Nc7) 26... Qg5 27. Kg1 Ng3 28. Nh3 Qh5 29. Rf2
Nh4 30. Kh2 Rg6 31. Rc4 $4 {Blunder. Nc7 was best.} (31. Nc7 Nxg2 32. Rxg2 Rxa5
33. bxa5 Qxh3+ 34. Kxh3 Rh6+ 35. Kg4 Rg6+) 31... Nxg2 32. Rxg2 Rh6 33. Kg1 $6 {
Inaccuracy. Rxg3+ was best.} (33. Rxg3+ fxg3+ 34. Kxg3 Qh4+ 35. Kg2 Rg6+ 36.
Kf1 Qxh3+ 37. Ke2 Rg3 38. Kd3 Rxf3+ 39. Kc2 Qg2+) 33... Qxh3 34. Kf2 Rg6 35.
Rc2 $6 {Inaccuracy. Rg1 was best.} (35. Rg1 Ra6 36. Ke1 Rxb6 37. Nc3 Qh2 38.
Ne2 Ra6 39. Rc8 b6 40. Qd3 Qxe2+ 41. Qxe2 Nxe2) 35... Nxe4+ 36. Kg1 Ng3 37. Kf2
Be7 38. Ke1 Bh4 39. Rcf2 Nf5 40. Rxg6+ hxg6 41. Kd2 Bxf2 42. Bxf2 Rc8 43. Qg1
Kf7 44. Qg4 Qh2 45. Qg1 Qh8 46. Nc3 $6 {Inaccuracy. Qg4 was best.} (46. Qg4 Qh2
47. Qg1 Qxg1 48. Bxg1 Rc4 49. Nc3 Rxb4 50. Bb6 Ke8 51. Ne4 Rb3 52. Ng5 Ke7)
46... e4 47. Qc1 $2 {Checkmate is now unavoidable. Bc5 was best.} (47. Bc5 e3+
48. Kc2 dxc5 49. Ne2 Nd4+ 50. Nxd4 cxb4+ 51. Nc6 bxc6 52. d6 Qc3+ 53. Kb1 Qd3+)
47... e3+ 48. Bxe3 fxe3+ 49. Kd3 Qd4+ 50. Ke2 Ng3+ 51. Ke1 Rxc3 52. Qb2 Qd3 53.
Qxc3 Qe2# 0-1

[Event "U20 Pan-American Chess Championship"]
[Site "Volta Redonda - Rio de Janeir"]
[Date "2023.11.08"]
[Round "4.7"]
[White "Labussiere, Yago"]
[Black "Reyes Zavaleta, Fabian Ricardo"]
[Result "0-1"]
[ECO "A16"]
[WhiteElo "2185"]
[BlackElo "2122"]
[PlyCount "90"]
[EventDate "2023.11.06"]
[EventRounds "9"]
[EventCountry "BRA"]

1. c4 Nf6 2. Nc3 d5 3. cxd5 Nxd5 4. Nf3 g6 5. h4 Bg7 6. h5 Nc6 7. d4 Bf5 8. Rh4
Bf6 9. g4 Bxh4 10. gxf5 e6 11. fxe6 fxe6 12. Qd3 Qe7 13. Qe4 Bf6 14. Bh3 Nxc3
15. bxc3 O-O-O 16. Rb1 Rhe8 17. d5 Bxc3+ 18. Kf1 Na5 19. Qe3 Qf6 20. Qxa7 Rxd5
21. Bg5 Rxg5 22. Nxg5 Qxg5 23. Rd1 Nc6 24. Qa8+ Nb8 25. Rb1 b6 26. Bg2 Kd7 27.
Rd1+ Ke7 28. Qb7 Qc5 29. hxg6 hxg6 30. Qe4 Rf8 31. Bf3 Qf5 32. Qh4+ Qf6 33.
Qh7+ Qg7 34. Qh4+ g5 35. Qc4 Be5 36. Bg4 Qh6 37. e3 Bd6 38. Ke2 Rf6 39. Qe4 Qg6
40. Qa4 Qh7 41. Rf1 Nd7 42. Bf3 Nc5 43. Qc4 Qh4 44. Bg4 Nd7 45. Qe4 Ne5 0-1

[Event "U20 Pan-American Chess Championship"]
[Site "Volta Redonda - Rio de Janeir"]
[Date "2023.11.08"]
[Round "4.8"]
[White "Vazquez, Facundo"]
[Black "Montes Orozco, Miguel Angel"]
[Result "1/2-1/2"]
[ECO "E04"]
[WhiteElo "2407"]
[BlackElo "2097"]
[PlyCount "91"]
[EventDate "2023.11.06"]
[EventRounds "9"]
[EventCountry "BRA"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 dxc4 5. Bg2 a6 6. O-O Nc6 7. e3 Bd7 8. Qe2
b5 9. b3 cxb3 10. axb3 Be7 11. Rd1 O-O 12. Bb2 Re8 13. Nc3 Nb4 14. Ne5 Nbd5 15.
Ne4 Nxe4 16. Bxe4 c6 17. Rdc1 Qc7 18. Qh5 g6 19. Qf3 f6 20. Bxd5 exd5 21. Qxd5+
cxd5 22. Rxc7 Bf5 23. g4 Bc8 24. Nd3 Bxg4 25. b4 Rac8 26. Rac1 Bf5 27. Rxc8
Rxc8 28. Nc5 Rc6 29. f3 Kf7 30. Ra1 Bxc5 31. dxc5 Re6 32. Kf2 Bd3 33. Rd1 Bc4
34. Rd4 f5 35. Rd2 g5 36. Bd4 f4 37. Rd1 Kg6 38. Rg1 Kf5 39. h4 h6 40. hxg5
hxg5 41. Rh1 fxe3+ 42. Bxe3 d4 43. Bxd4 Kf4 44. Re1 Rxe1 45. Kxe1 Kxf3 46. c6
1/2-1/2

[Event "U20 Pan-American Chess Championship"]
[Site "Volta Redonda - Rio de Janeir"]
[Date "2023.11.08"]
[Round "4.9"]
[White "Ribeiro, Matheus Mendes Domi"]
[Black "Sathish, Pranav"]
[Result "1/2-1/2"]
[ECO "A88"]
[WhiteElo "2150"]
[BlackElo "2412"]
[PlyCount "51"]
[EventDate "2023.11.06"]
[EventRounds "9"]
[EventCountry "BRA"]

1. c4 f5 2. Nf3 Nf6 3. Nc3 g6 4. g3 Bg7 5. Bg2 O-O 6. O-O d6 7. d4 c6 8. d5 e5
9. dxe6 Bxe6 10. Qd3 Kh8 11. Bf4 d5 12. cxd5 Nxd5 13. Rfd1 Na6 14. Nxd5 Bxd5
15. Be5 Qe7 16. Qc3 Rfe8 17. Bd4 Rad8 18. e3 Nc7 19. Bxg7+ Qxg7 20. Qxg7+ Kxg7
21. Nd4 Kf6 22. Bxd5 Rxd5 23. Kf1 g5 24. Ne2 Red8 25. Nc3 Rxd1+ 26. Rxd1
1/2-1/2

[Event "U20 Pan-American Chess Championship"]
[Site "Volta Redonda - Rio de Janeir"]
[Date "2023.11.08"]
[Round "4.10"]
[White "Schnaider, Ilan"]
[Black "Reyes Zavaleta, Cristhian Yamil"]
[Result "1-0"]
[ECO "C09"]
[WhiteElo "2333"]
[BlackElo "1804"]
[PlyCount "47"]
[EventDate "2023.11.06"]
[EventRounds "9"]
[EventCountry "BRA"]

1. e4 e6 2. d4 d5 3. Nd2 c5 4. Ngf3 Nc6 5. exd5 exd5 6. Bb5 Qe7+ 7. Be2 Qc7 8.
O-O Nf6 9. Re1 Be6 10. dxc5 Bxc5 11. Nb3 Bd6 12. h3 Ne4 13. Nbd4 Nxd4 14. Nxd4
O-O 15. Bd3 Bh2+ 16. Kf1 Rae8 17. Qf3 Qe5 18. Qe3 Bd7 19. Nf3 Qc7 20. Qd4 Bd6
21. Be3 Bc6 22. Qxa7 Ra8 23. Qb6 Qc8 24. Nd4 1-0

[Event "U20 Pan-American Chess Championship"]
[Site "Volta Redonda - Rio de Janeir"]
[Date "2023.11.08"]
[Round "4.11"]
[White "Casalaspro, Mathias Andre"]
[Black "Tomiello, Lucas Costamilan"]
[Result "0-1"]
[ECO "B21"]
[WhiteElo "2060"]
[BlackElo "2279"]
[PlyCount "62"]
[EventDate "2023.11.06"]
[EventRounds "9"]
[EventCountry "BRA"]

1. e4 c5 2. d4 cxd4 3. Qxd4 Nc6 4. Qd3 Nf6 5. Nc3 g6 6. Nf3 Bg7 7. Bg5 h6 8.
Bf4 d6 9. Be2 O-O 10. O-O Be6 11. Rfd1 Rc8 12. Qd2 g5 13. Be3 Ng4 14. Nd4 Nxe3
15. Nxe6 fxe6 16. Qxe3 Bxc3 17. Qxc3 Qb6 18. Bg4 Qxf2+ 19. Kh1 Rf6 20. e5 dxe5
21. Qc4 Rcf8 22. Bxe6+ Kh8 23. h3 Nd4 24. Bd5 Nf5 25. Qc3 g4 26. Qe1 Ne3 27.
Rd3 g3 28. Qxf2 Rxf2 29. Bf3 R8xf3 30. gxf3 g2+ 31. Kh2 Rf1 0-1

[Event "U20 Pan-American Chess Championship"]
[Site "Volta Redonda - Rio de Janeir"]
[Date "2023.11.08"]
[Round "4.12"]
[White "Nascimento, Nicolas Daniel Trin"]
[Black "Silva, Kaua Marques"]
[Result "1/2-1/2"]
[ECO "D30"]
[WhiteElo "1797"]
[BlackElo "2235"]
[PlyCount "198"]
[EventDate "2023.11.06"]
[EventRounds "9"]
[EventCountry "BRA"]

1. Nf3 Nf6 2. d4 e6 3. c4 d5 4. cxd5 exd5 5. Bf4 Bd6 6. Bxd6 Qxd6 7. e3 Bf5 8.
Bd3 Be4 9. Nc3 O-O 10. O-O Nbd7 11. Rc1 c6 12. Bxe4 dxe4 13. Nd2 Rfe8 14. h3
Nb6 15. a3 a5 16. Qb3 Qc7 17. Nc4 Nbd7 18. Rfd1 b5 19. Nd2 Qd6 20. Qc2 Qe7 21.
Ne2 Rac8 22. Nb3 a4 23. Nc5 Nb6 24. b3 axb3 25. Qxb3 Ra8 26. Nc3 Reb8 27. Ra1
Nbd7 28. Nxd7 Qxd7 29. Rdb1 Ra5 30. Qb4 Rba8 31. Ra2 g6 32. Rba1 Kg7 33. Qc5
Qe6 34. Qb4 R8a6 35. a4 Nd5 36. Nxd5 cxd5 37. Ra3 bxa4 38. Rxa4 Rxa4 39. Rxa4
Rb6 40. Qe1 Rb2 41. Rb4 Rc2 42. Rb1 Qc6 43. Qb4 Qf6 44. Rf1 h5 45. Qb3 Qc6 46.
Qb8 Qe6 47. Qb3 Qc6 48. Qb8 Qe6 49. Qb3 Rc4 50. Qb8 Qf5 51. Qd6 Rc2 52. Qb8 Rc6
53. Rb1 Rf6 54. Rf1 Qg5 55. Qd8 Qf5 56. Qb8 Kh7 57. Qc7 Qe6 58. Qb8 Rf5 59. Qg3
Qf6 60. Qc7 Qh4 61. Qd7 Kg7 62. Qc8 Qf6 63. Qc7 Kh7 64. Qb8 Rg5 65. Kh1 Rf5 66.
Kg1 Kg7 67. Qc7 g5 68. Qg3 Kg6 69. Qb8 Kh7 70. Qg3 Kg6 71. Qb8 Kg7 72. Qg3 Kh7
73. Qc7 g4 74. Qg3 Kg7 75. h4 Qd8 76. Rb1 Qc8 77. Qd6 Qe6 78. Qd8 Qf6 79. Qxf6+
Kxf6 80. Rb6+ Ke7 81. g3 Kd7 82. Rb5 Kc6 83. Rc5+ Kd6 84. Ra5 Rf6 85. Ra6+ Ke7
86. Rxf6 Kxf6 87. Kf1 Ke6 88. Ke2 Kd6 89. Kd2 Kc6 90. Kc2 Kb6 91. Kd1 Kb5 92.
Ke1 Kc4 93. Kf1 Kd3 94. Kg1 Kd2 95. Kh2 Ke1 96. Kg1 Ke2 97. Kg2 Kd2 98. Kh2 f6
99. Kh1 Ke1 1/2-1/2

[Event "U20 Pan-American Chess Championship"]
[Site "Volta Redonda - Rio de Janeir"]
[Date "2023.11.08"]
[Round "4.13"]
[White "Nascimento, Luiz Eduardo Da Tri"]
[Black "Da Fonseca Pinto, Joao Gabriel Alves"]
[Result "1/2-1/2"]
[ECO "C84"]
[WhiteElo "1877"]
[BlackElo "1762"]
[PlyCount "64"]
[EventDate "2023.11.06"]
[EventRounds "9"]
[EventCountry "BRA"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d3 b5 6. Bb3 Be7 7. O-O d6 8. Bg5
Na5 9. h3 Nxb3 10. axb3 c5 11. Nbd2 Be6 12. c4 O-O 13. Qc2 h6 14. Be3 Nh7 15.
Nh2 f5 16. f4 fxe4 17. Nxe4 exf4 18. Rxf4 Rxf4 19. Bxf4 d5 20. Nf2 dxc4 21.
bxc4 bxc4 22. dxc4 Qd4 23. Re1 Qxf4 24. Rxe6 Bd6 25. Nf3 Ng5 26. Nxg5 hxg5 27.
Qe4 Qc1+ 28. Qe1 Qxe1+ 29. Rxe1 Rb8 30. Re2 Rb4 31. Ne4 Bf4 32. Nxc5 Rxc4
1/2-1/2

[Event "U20 Pan-American Chess Championship"]
[Site "Volta Redonda - Rio de Janeir"]
[Date "2023.11.08"]
[Round "4.14"]
[White "Errazola, Mauricio"]
[Black "Lima, Carlos Eduardo I De"]
[Result "1-0"]
[ECO "D10"]
[WhiteElo "1725"]
[BlackElo "1857"]
[PlyCount "118"]
[EventDate "2023.11.06"]
[EventRounds "9"]
[EventCountry "BRA"]

1. d4 d5 2. c4 c6 3. cxd5 cxd5 4. Nc3 Nf6 5. Bf4 a6 6. e3 e6 7. Bd3 Nc6 8. Rc1
Qb6 9. Qd2 Bd7 10. Nf3 Nh5 11. Bg5 h6 12. Bh4 g5 13. Bg3 Nxg3 14. hxg3 Bg7 15.
Na4 Qb4 16. Nc5 Rb8 17. Qxb4 Nxb4 18. Bb1 b6 19. Nxd7 Kxd7 20. a3 Rbc8 21. Rxc8
Rxc8 22. Kd2 Nc6 23. Rc1 Rf8 24. Bd3 b5 25. Rc5 Rb8 26. g4 Kd6 27. b4 e5 28.
dxe5+ Bxe5 29. Rxc6+ Kxc6 30. Nxe5+ Kc7 31. Nxf7 Rb6 32. Bf5 Rf6 33. Ne5 Kd6
34. Nd3 h5 35. f3 hxg4 36. Bxg4 Rf8 37. Nc5 Ra8 38. Kd3 a5 39. Nb7+ Kc6 40.
Nxa5+ Kb6 41. Kd4 Rh8 42. Kxd5 Rh1 43. e4 Rd1+ 44. Ke6 Ra1 45. e5 Rxa3 46. Kf7
Ra4 47. e6 Rxb4 48. e7 Kxa5 49. e8=Q Rc4 50. Qa8+ Kb4 51. Bd7 Rc5 52. Qe4+ Kc3
53. Qe3+ Kc4 54. Qc1+ Kd4 55. Qb2+ Kc4 56. Be6+ Kd3 57. Qb4 Re5 58. Kf6 Re2 59.
Qxb5+ Ke3 1-0

[Event "U20 Pan-American Chess Championship"]
[Site "Volta Redonda - Rio de Janeir"]
[Date "2023.11.08"]
[Round "4.15"]
[White "Cahuapaza Tarapaca, Leonardo"]
[Black "De Mattos, Pedro Benedito Flor"]
[Result "1-0"]
[ECO "D05"]
[WhiteElo "1818"]
[PlyCount "53"]
[EventDate "2023.11.06"]
[EventRounds "9"]
[EventCountry "BRA"]

1. Nf3 d5 2. b3 Nf6 3. Bb2 e6 4. e3 Be7 5. d4 O-O 6. Bd3 c5 7. O-O Nbd7 8. Nbd2
b6 9. Ne5 Bb7 10. f4 Nxe5 11. fxe5 Ne4 12. Nxe4 dxe4 13. Bc4 Bg5 14. Qe2 Qc7
15. a4 Rad8 16. Rfe1 Bd5 17. Bb5 Be7 18. Red1 cxd4 19. exd4 f6 20. c4 Bb7 21.
d5 exd5 22. cxd5 Rxd5 23. Bc4 Rfd8 24. Qxe4 Qc6 25. Rxd5 Rxd5 26. Rd1 Kf8 27.
Bxd5 1-0

[Event "U20 Pan-American Chess Championship"]
[Site "Volta Redonda - Rio de Janeir"]
[Date "2023.11.08"]
[Round "4.16"]
[White "Seccafim, Caic Dos Santos"]
[Black "Reyes Zavaleta, Sergio Gabriel"]
[Result "1-0"]
[ECO "D05"]
[WhiteElo "2062"]
[BlackElo "1287"]
[PlyCount "48"]
[EventDate "2023.11.06"]
[EventRounds "9"]
[EventCountry "BRA"]

1. Nf3 e6 2. b3 c5 3. Bb2 Nf6 4. e3 d5 5. d4 Nc6 6. a3 Be7 7. Bd3 b6 8. Nbd2
Bb7 9. O-O cxd4 10. exd4 Bd6 11. Ne5 Bxe5 12. dxe5 Nd7 13. Re1 Ne7 14. Qg4 g6
15. Nf3 h5 16. Qg3 Nc5 17. Bb5+ Bc6 18. Nd4 Bxb5 19. Nxb5 Nf5 20. Qf4 g5 21.
Qf3 Nh4 22. Qd1 Nf5 23. Nd6+ Nxd6 24. exd6 Qxd6 1-0

[Event "U20 Pan-American Chess Championship"]
[Site "Volta Redonda - Rio de Janeir"]
[Date "2023.11.08"]
[Round "4.17"]
[White "Reimberg, Arthur Bernardo"]
[Black "Nascimento, Kaio Vinicius Da Tr"]
[Result "0-1"]
[ECO "C42"]
[BlackElo "1310"]
[PlyCount "90"]
[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 Be7 7. Nc3 Nxc3 8.
bxc3 O-O 9. O-O Bg4 10. h3 Bh5 11. Re1 Bf6 12. Bb2 Nd7 13. Bf1 c5 14. Qd3 Bg6
15. Qd2 Qc7 16. Bd3 c4 17. Bxg6 hxg6 18. a4 Rfe8 19. a5 Qc6 20. Ba3 Rxe1+ 21.
Rxe1 Qc7 22. Bb4 Nf8 23. Nh2 Ne6 24. Ng4 Bg5 25. Qe2 Bf4 26. Ne5 Bxe5 27. Qxe5
Qc6 28. Qd6 Qxd6 29. Bxd6 Rd8 30. Bb4 Rd7 31. f3 g5 32. Kf2 Kh7 33. g4 Kg6 34.
Kg3 Rd8 35. Re2 Rh8 36. Rh2 f5 37. Kf2 Nf4 38. Kg3 Re8 39. Rf2 Re3 40. Kh2 Kf6
41. Bd6 Rxc3 42. Bxf4 gxf4 43. gxf5 Kxf5 44. Kg2 Ra3 45. Re2 Rxa5 0-1

[Event "U20 Pan-American Chess Championship"]
[Site "Volta Redonda - Rio de Janeir"]
[Date "2023.11.08"]
[Round "4.18"]
[White "De Oliveira, Joao Pedro Almeida"]
[Black "Andriska, Matheus Jose Amante"]
[Result "0-1"]
[ECO "C55"]
[BlackElo "1261"]
[PlyCount "100"]
[EventDate "2023.11.06"]
[EventRounds "9"]
[EventCountry "BRA"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 h6 4. d3 Nf6 5. Nc3 Be7 6. O-O O-O 7. d4 exd4 8.
Nxd4 Nxd4 9. Qxd4 d6 10. h3 c5 11. Qd1 Bd7 12. Bf4 Re8 13. Re1 Bc6 14. a4 Bf8
15. Bd5 Bxd5 16. Nxd5 Nxe4 17. f3 Nf6 18. Rxe8 Nxe8 19. Qd2 Nf6 20. Rd1 Nxd5
21. Qxd5 Qb6 22. b3 Rd8 23. Be3 Re8 24. Kf2 Qb4 25. Qc4 Qxc4 26. bxc4 Be7 27.
a5 Rb8 28. Bf4 Rd8 29. g4 g5 30. Bg3 Kg7 31. Re1 Bf6 32. Rb1 Rd7 33. Ke2 Bc3
34. Be1 Re7+ 35. Kf2 Bxe1+ 36. Rxe1 Rxe1 37. Kxe1 Kf6 38. Ke2 Ke5 39. Ke3 d5
40. cxd5 Kxd5 41. Kd3 b5 42. axb6 axb6 43. c4+ Kc6 44. Ke4 b5 45. cxb5+ Kxb5
46. Kf5 c4 47. Kf6 c3 48. Kxf7 c2 49. Kg6 c1=Q 50. Kxh6 Qf4 0-1

