[Event "USA Girls Junior-ch TB 2022"]
[Site "Saint Louis"]
[Date "2022.07.19"]
[Round "1.1"]
[White "Yu, Jennifer"]
[Black "Morris-Suzuki, Sophie"]
[Result "1-0"]
[ECO "A34"]
[WhiteElo "2268"]
[BlackElo "2055"]
[Annotator "TA"]
[PlyCount "109"]
[EventDate "2022.07.07"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "180+2"]

{[%evp 11,109,23,51,50,52,58,63,55,60,48,53,53,67,54,47,38,43,41,57,35,46,35,81,93,83,89,87,91,86,56,89,57,66,27,97,91,162,150,160,180,189,152,178,141,212,204,262,262,294,290,268,268,345,372,345,299,316,193,426,407,642,171,175,0,0,0,0,0,41,30,848,830,29979,29980,5139,527,575,522,2056,1786,1601,1068,1047,1043,966,940,988,557,2570,1789,2252,1771,1641,1526,1679,1642,29997,29998,29998,29999]} 1. c4 {[%emt 0:00:00]} b6 {[%emt 0:00:00]} 2. Nc3 {[%emt 0:00:00]} c5 {[%emt 0:00:00]} 3. e4 {[%emt 0:00:00]} Bb7 {[%emt 0:00:00]} 4. Nf3 {[%emt 0:00:00]} e6 {[%emt 0:00:00]} 5. d4 {[%emt 0:00:00]} cxd4 {[%emt 0:00:00]} 6. Nxd4 {[%emt 0:00:00]} a6 {[%emt 0:00:00]} 7. Be3 {[%emt 0:00:00] A34: Symmetrical English: 2 Nc3, lines with ...d5.} Qc7 {[%emt 0:00:00]} 8. Be2 {[%emt 0:00:00]} Nf6 {[%emt 0:00:00]} 9. f3 {[%emt 0:00:00] White is slightly better.} Be7 {[%emt 0:00:00]} 10. Rc1 {[%emt 0:00:00]} O-O {[%emt 0:00:00]} 11. Qd2 {[%emt 0:00:00]} d6 {[%emt 0:00:00]} 12. O-O {[%emt 0:00:00]} Nbd7 {[%emt 0:00:00]} 13. b3 {[%emt 0:00:00]} Rac8 {[%emt 0:00:00]} 14. Bf2 {[%emt 0:00:00]} Qb8 {[%emt 0:00:00]} 15. Rfd1 {[%emt 0:00:00]} Rfe8 {[%emt 0:00:00]} 16. Nc2 {[%emt 0:00:00]} Bd8 {[%emt 0:00:00]} (16... h6 $14) 17. Bg3 $16 {[%emt 0:00:00]} (17. Qxd6 Bc7 18. Qd2 Bxh2+ 19. Kf1 Red8 $15) 17... Ne5 {[%emt 0:00:00]} 18. Qxd6 {[%emt 0:03:38]} Bc7 {[%emt 0:00:00]} 19. Qd2 {[%emt 0:00:00]} Nh5 {[%emt 0:00:00]} 20. f4 {[%emt 0:00:00]} (20. Bf2 {with more complications.} f5 21. Qg5 Nf6 22. exf5 h6 23. Qh4) 20... Nxg3 {[%emt 0:00:00]} 21. hxg3 {[%emt 0:00:00]} Ng6 {[%emt 0:00:00]} 22. Bf3 {[%emt 0:00:00] [#]} f6 $146 {[%emt 0:00:00] Against e5} (22... b5 $1 $11 {keeps the balance.}) ({Predecessor:} 22... Ne7 23. e5 Bxf3 24. gxf3 f6 25. exf6 gxf6 26. Ne4 Kf7 27. Qh2 Kg7 28. Nd4 {1-0 (28) Rojas,S (2002)-Hepler Ramirez,N (1759) Lima 2017}) 23. Qe2 {[%emt 0:00:00]} b5 {[%emt 0:00:00] [#]} (23... Bd6 $16) 24. c5 $1 $18 {[%emt 0:00:00]} (24. cxb5 Bb6+ 25. Ne3 Qa7 $11) 24... Ne7 {[%emt 0:00:00]} 25. b4 {[%emt 0:00:00] White is more active.} Nc6 {[%emt 0:00:00]} 26. a3 {[%emt 0:00:00]} Rcd8 {[%emt 0:00:00]} 27. Qe3 {[%emt 0:00:00]} e5 {[%emt 0:00:00]} (27... Kf8 $16 28. Rxd8 Nxd8) 28. Nd5 {[%emt 0:00:00]} exf4 {[%emt 0:00:00]} 29. gxf4 {[%emt 0:00:00][%cal Bg3f4,Bf4f5][%mdl 32]} Ne7 {[%emt 0:00:00]} 30. Nxc7 {[%emt 0:00:00]} Qxc7 {[%emt 0:00:00]} 31. Nd4 {[%emt 0:00:00]} Ng6 {[%emt 0:00:00]} 32. Qb3+ {[%emt 0:00:00]} Kh8 {[%emt 0:00:00]} 33. Ne6 {[%emt 0:00:00]} Qf7 {[%emt 0:00:15]} 34. f5 {[%emt 0:00:00]} ({Resist} 34. Rxd8 Rxd8 35. c6 Bc8 $18) 34... Nf4 $2 {[%emt 0:00:32]} (34... Ne5 35. Qc3 (35. Rxd8 Rxd8 36. Rd1 Rd7 $16) 35... Rxd1+ 36. Rxd1 Bc8) 35. Rd6 {[%emt 0:00:00]} ({Don't do} 35. Rxd8 Rxd8 36. c6 Bc8 $18) 35... Bxe4 {[%emt 0:00:44]} (35... Bc8 $142 36. Nd4 (36. Rxd8 Rxd8 37. Nd4 Qxb3 $16) 36... Qc7 37. Rxd8 Rxd8) 36. Qe3 $2 {[%emt 0:00:12]} (36. Rxd8 {[%cal Oe6f4]} Rxd8 37. Qe3) 36... Rxd6 {[%emt 0:00:32]} 37. cxd6 $2 {[%emt 0:00:02]} (37. Qxf4 $18 Bxf5 38. Nxg7) 37... Bxf5 $11 {[%emt 0:00:03]} 38. Qxf4 {[%emt 0:00:18]} Qxe6 {[%emt 0:00:14]} 39. Rc7 {[%emt 0:00:02][%cal Oc7e7] Hoping for Re7!} Rd8 {[%emt 0:00:16]} 40. Re7 $40 {[%emt 0:00:04][%mdl 192] [#] Deflection. White has some attack.} Qc4 {[%emt 0:00:32][%mdl 8192] This costs Black the game.} 41. Qxf5 $18 {[%emt 0:00:03]} Qc1+ {[%emt 0:00:02]} 42. Kh2 {[%emt 0:00:02]} Qh6+ {[%emt 0:00:04]} 43. Qh3 {[%emt 0:00:02]} (43. Kg3 $142 {White threatens d7 and mate.} Qd2 44. Qe6 Qg5+ 45. Bg4) 43... Qf4+ {[%emt 0:00:03]} 44. Qg3 {[%emt 0:00:02]} Qh6+ {[%emt 0:00:03]} 45. Kg1 {[%emt 0:00:02] d7 would kill now.} Qc1+ {[%emt 0:00:02]} 46. Re1 {[%emt 0:00:05]} Qd2 {[%emt 0:00:10]} 47. Rd1 {[%emt 0:00:02]} Qe3+ {[%emt 0:00:02]} 48. Qf2 {[%emt 0:00:02]} Qe6 {[%emt 0:00:09]} 49. Qe2 {[%emt 0:00:02]} Qc8 {[%emt 0:00:29]} 50. Qe4 {[%emt 0:00:02][%cal Od6d7] aiming for d7!} f5 {[%emt 0:00:10]} 51. Qc6 {[%emt 0:00:02]} Qe6 {[%emt 0:00:05] Against Re1} 52. d7 {[%emt 0:00:02]} Qe3+ {[%emt 0:00:02]} 53. Kf1 {[%emt 0:00:02] Intending Qc7 and mate.} g5 {[%emt 0:00:07]} 54. Qf6+ {[%emt 0:00:02]} Kg8 {[%emt 0:00:02]} 55. Bd5+ {[%emt 0:00:02] Weighted Error Value: White=0.54/Black=0.49} 1-0

[Event "USA Girls Junior-ch TB 2022"]
[Site "Saint Louis"]
[Date "2022.07.19"]
[Round "2.1"]
[White "Cervantes Landeiro, Thalia"]
[Black "Yu, Jennifer"]
[Result "1-0"]
[ECO "D12"]
[WhiteElo "2234"]
[BlackElo "2268"]
[Annotator "TA"]
[PlyCount "63"]
[EventDate "2022.07.07"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "180+2"]

{[%evp 15,63,8,41,18,27,18,21,0,0,1,0,-11,-10,-24,0,-10,0,-31,20,-3,0,0,0,0,0,0,0,0,35,35,145,151,360,360,326,214,218,76,87,68,75,58,68,75,72,76,71,60,109,99]} 1. d4 {[%emt 0:00:00]} d5 {[%emt 0:00:00]} 2. c4 {[%emt 0:00:00]} c6 {[%emt 0:00:00]} 3. Nf3 {[%emt 0:00:00]} Nf6 {[%emt 0:00:00]} 4. e3 {[%emt 0:00:00]} Bf5 {[%emt 0:00:00]} 5. Nc3 {[%emt 0:00:00]} e6 {[%emt 0:00:00]} 6. Nh4 {[%emt 0:00:00]} Be4 {[%emt 0:00:00]} 7. Qb3 {[%emt 0:00:00]} Qc7 {[%emt 0:00:00]} 8. f3 {[%emt 0:00:00]} Bg6 {[%emt 0:00:00]} 9. Nxg6 {[%emt 0:00:00] D12: Slav Defence: 3 Nf3 Nf6 4 e3 Bf5.} hxg6 {[%emt 0:00:00]} 10. Bd2 $1 {[%emt 0:00:00] 10.Bd2 is better than 10.g3.} Nbd7 {[%emt 0:00:00]} 11. O-O-O {[%emt 0:00:00] The position is equal.} dxc4 {[%emt 0:00:00]} 12. Bxc4 {[%emt 0:00:00]} b5 {[%emt 0:00:00]} 13. Be2 {[%emt 0:00:00][%cal Bc4e2,Be2f3,Bf3d5][%mdl 32]} Rxh2 {[%emt 0:00:00]} 14. f4 {[%emt 0:00:00]} Rxh1 {[%emt 0:00:00]} (14... Rxg2 {is more complex.} 15. Bf1 Rf2 16. Be1 Rf3) 15. Rxh1 {[%emt 0:00:00]} a6 {[%emt 0:00:00]} 16. Bf3 {[%emt 0:00:00] [#]} Rc8 $146 {[%emt 0:00:00]} (16... Nb6 $15) ({Predecessor:} 16... O-O-O 17. g4 c5 18. g5 cxd4 19. exd4 Nd5 20. Kb1 N7b6 21. Nxd5 exd5 22. Ba5 Kb7 23. Bxb6 Kxb6 {½-½ (33) Lazavik,D (2442)-Kovalev,D (2487) Lichess.org INT 2021}) 17. Kb1 {[%emt 0:00:00]} c5 {[%emt 0:00:00]} (17... Nb6 {looks sharper.} 18. Rh8 Kd7 19. e4 Nc4) 18. d5 {[%emt 0:00:00]} c4 {[%emt 0:00:00]} 19. Qc2 {[%emt 0:00:00]} exd5 {[%emt 0:00:00]} 20. Nxd5 {[%emt 0:00:00]} Nxd5 {[%emt 0:00:00]} 21. Bxd5 {[%emt 0:00:00]} Nf6 {[%emt 0:00:00] Prevents Qe4+.} 22. Bf3 {[%emt 0:00:00][%mdl 1024] White has compensation. A strong pair of Bishops.} Qd7 {[%emt 0:00:00]} (22... a5 $14) 23. Rh8 $16 {[%emt 0:00:00] [#] Hoping for Bb4.} Qe6 $2 {[%emt 0:00:00]} (23... Qe7 $16 24. a3 Nd7) 24. Bb4 $18 {[%emt 0:00:00]} Nd7 {[%emt 0:00:00]} 25. e4 {[%emt 0:00:05][%cal Be3e4,Be4e5][%mdl 32] Strongly threatening Qd2.} Nc5 {[%emt 0:00:21]} 26. Qc3 {[%emt 0:00:24]} (26. Qd1 $18 {Black must now prevent Qd4.} a5 27. Bxa5) 26... Qd6 $16 {[%emt 0:01:20]} 27. Bg4 {[%emt 0:01:13]} Rc6 {[%emt 0:01:36]} 28. a3 {[%emt 0:01:07] White is more active.} (28. Qxg7 {gets mated.} Qd3+ 29. Kc1 {[#]} Nb3+ $1 {[%mdl 512]} 30. axb3 cxb3+) 28... f6 {[%emt 0:00:33]} 29. e5 {[%emt 0:00:14]} Qd3+ {[%emt 0:00:10]} 30. Ka2 {[%emt 0:00:12] aiming for Qe1. Dancing on a razor blade.} Qxc3 {[%emt 0:00:01]} 31. bxc3 {[%emt 0:00:02]} Kf7 {[%emt 0:00:02]} (31... a5 $14 {deserves consideration.} 32. Bf3 (32. Bxa5 Nd3 $14) 32... Rc8 33. Bxa5 fxe5) 32. Bf3 {[%emt 0:00:49] Weighted Error Value: White=0.18 (very precise) /Black=0.28 (precise)} 1-0

[Event "USA Girls Junior-ch TB 2022"]
[Site "Saint Louis"]
[Date "2022.07.19"]
[Round "3.1"]
[White "Morris-Suzuki, Sophie"]
[Black "Cervantes Landeiro, Thalia"]
[Result "1-0"]
[ECO "C52"]
[WhiteElo "2055"]
[BlackElo "2234"]
[Annotator "TA"]
[PlyCount "101"]
[EventDate "2022.07.07"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "180+2"]

{[%evp 14,101,-10,-26,-23,-36,-23,-36,0,0,62,62,62,74,67,74,95,90,158,154,306,147,191,201,284,262,270,279,270,285,247,177,218,218,275,230,340,180,370,335,295,210,200,213,282,87,190,179,185,129,158,156,384,384,719,264,680,700,645,697,678,665,645,650,662,477,657,655,649,639,600,547,511,408,743,686,981,971,1169,1322,1997,2001,29979,29980,29986,29987,29987,29988,29988,29989]} 1. e4 {[%emt 0:00:00]} e5 {[%emt 0:00:00]} 2. Nf3 {[%emt 0:00:00]} Nc6 {[%emt 0:00:00]} 3. Bc4 {[%emt 0:00:00]} Bc5 {[%emt 0:00:00]} 4. b4 {[%emt 0:00:00]} Bxb4 {[%emt 0:00:00]} 5. c3 {[%emt 0:00:00]} Ba5 {[%emt 0:00:00]} 6. d4 {[%emt 0:00:00]} d6 {[%emt 0:00:00]} 7. Qb3 {[%emt 0:00:00]} Qd7 {[%emt 0:00:00]} 8. O-O $1 {[%emt 0:00:00][%mdl 4] now scores much better than the old 8.dxe5.} Bb6 {[%emt 0:00:00] C52: Evans Gambit Accepted: 5 c3 Ba5.} 9. Nbd2 {[%emt 0:00:00][%cal Bb1d2,Bd2c4,Bc4e5,Be5f3,Bf3d4][%mdl 32]} Na5 {[%emt 0:00:00]} 10. Qc2 {[%emt 0:00:00]} Nxc4 {[%emt 0:00:00] Black is slightly better.} 11. Nxc4 {[%emt 0:00:00]} Ne7 {[%emt 0:00:00]} (11... Qc6 $11 12. Nxb6 axb6) 12. a4 $14 {[%emt 0:00:00][%cal Ba2a4,Ba4a5][%mdl 32]} Qc6 {[%emt 0:00:00] [#]} 13. Nfxe5 $146 {[%emt 0:00:00] White is more active.} ({Predecessor:} 13. Qe2 a6 14. d5 Qd7 15. Nxb6 cxb6 16. Nd2 Qc7 17. Nc4 Bd7 18. Ba3 Nc8 19. f4 {0-1 (39) Zhigalko,S (2572)-Kollars,D (2622) Chess.com INT 2021}) 13... dxe5 {[%emt 0:00:00]} 14. Nxe5 {[%emt 0:00:00]} Qf6 {[%emt 0:00:00] White must now prevent ...c5.} 15. a5 {[%emt 0:00:00]} Bxd4 {[%emt 0:00:00]} 16. cxd4 $16 {[%emt 0:00:00][%cal Bc3d4,Bd4d5][%mdl 32]} Nc6 $2 {[%emt 0:00:00]} (16... O-O $16 17. Ba3 (17. Qxc7 Nc6 $18) 17... Re8 18. Qxc7 Nc6) 17. Bb2 {[%emt 0:00:00]} (17. Ba3 $18 {is the precise move to win.}) 17... O-O {[%emt 0:00:00]} 18. Nf3 {[%emt 0:00:00]} Qg6 {[%emt 0:00:00]} (18... Nb4 $142 19. Qxc7 Nd3) 19. d5 $18 {[%emt 0:00:00]} Nb4 {[%emt 0:00:00]} 20. Qc3 {[%emt 0:00:00]} ({Don't do} 20. Qxc7 $6 Nd3 $16) 20... Na6 {[%emt 0:00:00]} 21. Rfe1 {[%emt 0:00:00]} f6 {[%emt 0:00:00]} 22. Nd4 {[%emt 0:00:00]} Bd7 {[%emt 0:00:00]} 23. Re3 {[%emt 0:00:00]} Rae8 {[%emt 0:00:00]} 24. Rae1 {[%emt 0:00:00]} Qf7 {[%emt 0:00:08]} (24... Kh8 $142 25. f4 Qf7) 25. f4 {[%emt 0:00:00]} (25. Ba3 $142) 25... Rc8 $2 {[%emt 0:00:02]} (25... c5) 26. Nf3 {[%emt 0:00:00]} Bg4 {[%emt 0:00:12]} 27. h3 {[%emt 0:00:00]} Bxf3 {[%emt 0:00:02]} 28. Rxf3 {[%emt 0:00:00]} Rfe8 {[%emt 0:00:08]} 29. Qd2 $2 {[%emt 0:00:00]} (29. Rg3 $18 {and White stays clearly on top.}) 29... Nc5 {[%emt 0:00:03]} (29... Rcd8 $16) 30. Qd4 {[%emt 0:00:00]} b6 {[%emt 0:00:26]} 31. e5 {[%emt 0:00:00]} (31. Rg3 $18) 31... Rcd8 {[%emt 0:00:02]} 32. e6 $36 {[%emt 0:00:00][%mdl 2048] White is really pushing.} Qg6 {[%emt 0:00:06] Loses the game.} (32... Nxe6 $16 33. Rxe6 (33. dxe6 Rxd4 34. exf7+ Kxf7 $16) 33... Qxe6 34. dxe6 Rxd4 35. Bxd4 Rxe6 36. axb6 axb6) 33. f5 {[%emt 0:00:00]} Qh5 {[%emt 0:00:13]} (33... Qh6 34. Ba3 Qg5) 34. Ref1 $2 {[%emt 0:00:00]} (34. axb6 cxb6 35. d6) 34... Re7 {[%emt 0:00:21]} (34... Nxe6 35. fxe6 Qxd5) 35. Rg3 {[%emt 0:00:00] [#] Intending Qxf6 and mate.} Rf8 {[%emt 0:00:02]} 36. Ba3 {[%emt 0:00:00]} Qe2 {[%emt 0:00:31]} 37. Bxc5 {[%emt 0:00:07]} bxc5 {[%emt 0:00:02]} 38. Qxc5 {[%emt 0:00:02]} Rfe8 {[%emt 0:00:03]} 39. Qxa7 {[%emt 0:00:47]} c6 {[%emt 0:00:21]} 40. Qe3 {[%emt 0:00:30]} Qxe3+ {[%emt 0:00:11]} 41. Rxe3 {[%emt 0:00:02]} cxd5 {[%emt 0:00:02][%mdl 4096] Endgame KRR-KRR} 42. Rd3 {[%emt 0:00:05]} g6 {[%emt 0:00:09]} 43. g4 {[%emt 0:00:08]} h5 {[%emt 0:00:19]} (43... Kf8 $142 44. Rxd5 h6) 44. Rxd5 {[%emt 0:00:11]} hxg4 {[%emt 0:00:02]} 45. hxg4 {[%emt 0:00:02][%cal Bh3g4,Bg4f5][%mdl 32] And now Rfd1 would win.} gxf5 {[%emt 0:00:02]} 46. gxf5 {[%emt 0:00:02] aiming for Rfd1.} Rg7+ {[%emt 0:00:07]} 47. Kf2 {[%emt 0:00:02]} Rb8 {[%emt 0:00:05]} 48. Rfd1 {[%emt 0:00:11] White mates.} Rg5 {[%emt 0:00:49]} 49. Rd8+ {[%emt 0:00:08]} Rxd8 {[%emt 0:00:02]} 50. Rxd8+ {[%emt 0:00:02]} Kh7 {[%emt 0:00:10]} 51. e7 {[%emt 0:00:11] Weighted Error Value: White=0.37/Black=0.72} 1-0

[Event "USA Girls Junior-ch TB 2022"]
[Site "Saint Louis"]
[Date "2022.07.19"]
[Round "4.1"]
[White "Morris-Suzuki, Sophie"]
[Black "Yu, Jennifer"]
[Result "0-1"]
[ECO "D31"]
[WhiteElo "2055"]
[BlackElo "2268"]
[Annotator "TA"]
[PlyCount "80"]
[EventDate "2022.07.07"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "180+2"]

{[%evp 9,80,16,19,19,35,31,46,20,29,34,33,32,35,31,39,32,42,0,0,0,0,-23,0,-86,-27,-125,-97,-96,-90,-110,-102,-105,-111,-291,-287,-283,-272,-808,-797,-29985,-973,-29987,-513,-1227,-1219,-29982,-29983,-5668,-1356,-29987,-1245,-2337,-980,-655,-629,-1161,-719,-1092,-1085,-1056,-1067,-1002,-976,-1197,-1184,-1766,-1765,-1541,-1492,-1223,-760,-700,-695]} 1. d4 {[%emt 0:00:04]} d5 {[%emt 0:00:04]} 2. c4 {[%emt 0:00:02]} e6 {[%emt 0:00:02]} 3. Nc3 {[%emt 0:00:02]} a6 {[%emt 0:00:02]} 4. cxd5 {[%emt 0:00:02]} exd5 {[%emt 0:00:02]} 5. Bf4 {[%emt 0:00:02]} Nf6 {[%emt 0:00:02]} 6. e3 {[%emt 0:00:02] D31: Queen's Gambit Declined: Semi-Slav without ...Nf6 (+ Marshall Gambit and Noteboom) and Exchange Variation lines without ...Nf6.} Be6 {[%emt 0:00:04]} 7. Bd3 {[%emt 0:00:02]} Bd6 {[%emt 0:00:06]} 8. Bg5 {[%emt 0:00:02] White is slightly better.} Nbd7 {[%emt 0:00:02]} 9. f4 {[%emt 0:00:04]} h6 {[%emt 0:00:15]} 10. Bh4 {[%emt 0:00:02] f5 is the strong threat.} g5 {[%emt 0:00:24]} 11. fxg5 {[%emt 0:00:02]} hxg5 {[%emt 0:00:57]} 12. Bxg5 {[%emt 0:00:03]} Bxh2 {[%emt 0:00:13] aiming for ...Bg3+.} 13. Nf3 {[%emt 0:00:14]} (13. Nce2 $5 {[%cal Rg1f3]} Ke7 14. Nf3 $11) 13... Bg3+ {[%emt 0:00:03]} 14. Kd2 {[%emt 0:00:02]} Rg8 {[%emt 0:00:31] [#]} 15. Ne2 $146 {[%emt 0:00:19]} ({Predecessor:} 15. Qb3 Qe7 16. Qxb7 Rb8 17. Qxa6 Rxb2+ 18. Kc1 Qb4 19. Nd1 Rxg2 20. a3 Qd6 21. Qc8+ Ke7 22. Qxg8 Qc6+ 23. Kb1 Qb6+ 24. Kc1 Qc6+ 25. Kb1 Qb6+ {½-½ (25) Palliser,R (2411)-Ris,R (2457) England 2019}) 15... Bd6 {[%emt 0:00:05]} 16. Nf4 {[%emt 0:00:08]} (16. Bh7 $11 Rg7 17. Bd3) 16... Qe7 {[%emt 0:00:04]} (16... Bg4 $17 {Threatens to win with ...Rxg5.} 17. Bxf6 Nxf6) 17. Nh5 {[%emt 0:00:44]} (17. Qb3 $11) 17... Bg4 {[%emt 0:00:05]} ({But not} 17... Bb4+ $6 18. Kc2 Bg4 19. Nxf6+ Nxf6 20. Qf1 $11) 18. Nxf6+ {[%emt 0:00:11]} Nxf6 {[%emt 0:00:02]} 19. Qa4+ {[%emt 0:00:23]} Bd7 {[%emt 0:00:16]} 20. Qb3 {[%emt 0:00:02] [#]} O-O-O {[%emt 0:00:06][%cal Og8g5] And now ...Rxg5! would win.} 21. Rh6 $2 {[%emt 0:00:07] White does not recover from this.} (21. Rag1 $17 {was called for.}) 21... Ne4+ $19 {[%emt 0:00:06]} 22. Bxe4 {[%emt 0:00:03]} Qxe4 {[%emt 0:00:02] Really sharp!} 23. Qd3 $2 {[%emt 0:00:22] [#]} (23. Bxd8 Rxg2+ 24. Kc1 Ba4 25. Rh8 Bxb3 26. Bg5+ Kd7 27. Rd8+ Kc6 28. Rxd6+ cxd6 29. Ne1 Rc2+ 30. Kd1 Qg4+) (23. Rg1 Rde8 24. Kc1) 23... Rxg5 $1 {[%emt 0:00:06][%mdl 512]} 24. Nxg5 {[%emt 0:00:46]} (24. Rg1 Bb4+) 24... Qxg2+ (24... Bb4+ $142 25. Kc2 Ba4+ 26. b3 Qxg2+ 27. Kc1 Bb5 28. Rh2 Qxh2 29. Qf5+ Kb8 30. Qc2 Ba3+ 31. Kd1 Qg1+ 32. Kd2 Qf2+ 33. Kd1 Qf1+ 34. Kd2 Qe2+ 35. Kc3 Qxe3+ 36. Qd3 Qxd3#) 25. Qe2 {[%emt 0:00:00]} Qxg5 {[%emt 0:00:04]} (25... Bb4+ $142 26. Kd1 Bg4 27. Qxg4+ Qxg4+ 28. Kc1 Qxg5 29. a3 Qxh6 30. Kb1 Qh7+ 31. Ka2 {[#]} Qc2 $1 32. axb4 Rh8 33. Rg1 Rh2 34. Rg8+ Kd7 35. Rg2 Qa4+ 36. Kb1 Rh1+ 37. Rg1 Rxg1#) 26. Rh5 {[%emt 0:00:00]} (26. Rah1 $142) 26... Qg6 {[%emt 0:00:02]} 27. Rhh1 {[%emt 0:00:00]} Bb4+ {[%emt 0:00:02]} 28. Kc1 {[%emt 0:00:00]} Bg4 {[%emt 0:00:05]} (28... Bf5 $142 29. b3 Bc3) 29. Qc2 {[%emt 0:00:00]} Qe6 {[%emt 0:00:02]} (29... Bf5 $142 30. e4 Qg5+ 31. Kb1 Bxe4 32. a3 Bxc2+ 33. Kxc2 Qd2+ 34. Kb3 Qd3+ 35. Ka2 Qc4+ 36. Kb1 Bd2 37. a4 Qxd4 38. Rh2 Re8 39. Rh1 Bb4 40. Rc1 Re2 41. Ra2 Qd2 42. Rh1 Re1+ 43. Rxe1 Qxe1+ 44. Kc2 Qe2+ 45. Kc1 Qd2+ 46. Kb1 Qd1#) 30. Qf2 {[%emt 0:00:00] Black is clearly winning.} Re8 {[%emt 0:00:02]} (30... Bf5 $142 31. Rg1 Bg6) 31. a3 {[%emt 0:00:14]} Bd6 {[%emt 0:00:03]} 32. Re1 {[%emt 0:00:00]} f5 {[%emt 0:00:02]} 33. Kb1 {[%emt 0:00:00]} f4 {[%emt 0:00:02]} 34. Ka2 {[%emt 0:00:00]} fxe3 {[%emt 0:00:02]} 35. Qg2 {[%emt 0:00:00]} e2 {[%emt 0:00:02] White must now prevent ...Bf4.} 36. Rac1 {[%emt 0:00:00]} Qe4 {[%emt 0:00:02]} 37. Qh1 {[%emt 0:00:06]} Qxh1 38. Rxh1 {[%emt 0:00:02]} Bg3 {[%emt 0:00:09]} 39. Rhg1 {[%emt 0:00:02]} e1=Q {[%emt 0:00:00]} 40. Rcxe1 {[%emt 0:00:02]} Rxe1 {[%emt 0:00:00] Weighted Error Value: White=1.70/Black=1.13} 0-1

[Event "USA Girls Junior-ch TB 2022"]
[Site "Saint Louis"]
[Date "2022.07.19"]
[Round "5.1"]
[White "Yu, Jennifer"]
[Black "Cervantes Landeiro, Thalia"]
[Result "1-0"]
[ECO "D28"]
[WhiteElo "2268"]
[BlackElo "2234"]
[Annotator "TA"]
[PlyCount "75"]
[EventDate "2022.07.07"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "180+2"]

{[%evp 16,75,23,38,26,0,2,0,0,0,0,0,12,0,0,0,-14,0,0,0,8,8,21,2,20,27,31,43,73,13,96,87,93,102,391,391,391,385,368,390,385,383,380,344,378,369,402,373,537,485,4902,461,460,454,475,458,29995,29996,29996,29997,29998,29999]} 1. d4 {[%emt 0:00:04]} d5 {[%emt 0:00:09]} 2. c4 {[%emt 0:00:02]} dxc4 {[%emt 0:00:02]} 3. Nf3 {[%emt 0:00:02]} Nf6 {[%emt 0:00:02]} 4. e3 {[%emt 0:00:03]} e6 {[%emt 0:00:02]} 5. Bxc4 {[%emt 0:00:03]} c5 {[%emt 0:00:02]} 6. Nc3 {[%emt 0:00:05]} Nc6 {[%emt 0:00:20]} 7. O-O {[%emt 0:00:03]} a6 {[%emt 0:00:02]} 8. Qe2 {[%emt 0:00:06]} b5 {[%emt 0:00:12]} 9. Bb3 {[%emt 0:00:03][%cal Od4d5]} ({Don't play} 9. Ne5 Bb7 10. Bb3 (10. Nxc6 Bxc6 11. Bd3 b4 $15) 10... Qb6 11. Nxc6 Qxc6 $15) 9... Be7 {[%emt 0:00:27] D28: Queen's Gambit Accepted: Classical main line: 7 Qe2 with early ...Nc6.} 10. Rd1 {[%emt 0:00:02]} (10. dxc5 $5 {[%cal Re3e4]} O-O 11. e4 $14) 10... Qc7 {[%emt 0:00:05]} 11. d5 {[%emt 0:00:22]} exd5 {[%emt 0:00:02] The position is equal.} 12. Nxd5 {[%emt 0:00:02]} Nxd5 {[%emt 0:00:03]} 13. Bxd5 {[%emt 0:00:02][%cal Of3e5]} O-O {[%emt 0:00:05]} 14. e4 {[%emt 0:00:14]} Bb7 {[%emt 0:00:02]} 15. Be3 {[%emt 0:00:09] [#]} c4 $146 {[%emt 0:00:07]} ({Predecessor:} 15... Nb4 16. Bxb7 Qxb7 17. a3 Nc6 18. Rd5 Rad8 19. Rad1 c4 20. Bg5 Bxg5 21. Nxg5 h6 {½-½ (53) Kim,S (2295)-Estrada Nieto,J (2263) Chess.com INT 2022}) 16. b3 {[%emt 0:00:43]} c3 {[%emt 0:00:18]} 17. a3 {[%emt 0:00:03]} Na5 {[%emt 0:00:09]} 18. Qc2 {[%emt 0:00:17]} Rac8 {[%emt 0:00:19]} 19. Rd3 {[%emt 0:00:14]} Bf6 {[%emt 0:00:12]} 20. Bd4 {[%emt 0:00:16]} Bxd4 {[%emt 0:00:08]} 21. Nxd4 {[%emt 0:00:02]} Rfd8 {[%emt 0:00:12]} 22. b4 {[%emt 0:00:16] White is more active.} (22. Rad1 $16) 22... Bxd5 {[%emt 0:00:04]} (22... Nc4 $11) 23. exd5 $16 {[%emt 0:00:02]} Nc4 {[%emt 0:00:29]} 24. Nc6 {[%emt 0:00:02]} Rxd5 {[%emt 0:00:10][%mdl 8192] [#] Black cannot hold the game after this.} 25. Rxd5 $18 {[%emt 0:00:04]} Qxc6 {[%emt 0:00:02]} 26. Rc5 {[%emt 0:00:02]} Qd7 {[%emt 0:00:02]} 27. Rxc8+ {[%emt 0:00:05]} Qxc8 {[%emt 0:00:02]} 28. Qxc3 {[%emt 0:00:30][%mdl 4096] Endgame KQR-KQN} h6 {[%emt 0:00:02]} 29. Re1 {[%emt 0:00:00]} Qf5 {[%emt 0:00:02]} 30. h3 {[%emt 0:00:00]} h5 {[%emt 0:00:05]} 31. Qg3 {[%emt 0:00:00]} Qc2 {[%emt 0:00:04]} (31... Kh7 $142 32. Qc3 Kh6) 32. Qf3 {[%emt 0:00:00] [#] Threatening mate with Re8+.} g6 {[%emt 0:00:02]} (32... Qg6 $142 33. Qd5 Kh7) 33. Re8+ {[%emt 0:00:04]} (33. Qf6 $142 {White wants to mate with Re8+.} Nd6 34. Qxd6) 33... Kg7 {[%emt 0:00:02]} 34. Re7 {[%emt 0:00:04]} Qb1+ {[%emt 0:00:02]} 35. Kh2 {[%emt 0:00:02]} Qb2 {[%emt 0:00:02]} (35... Qf5 $18 36. Qxf5 gxf5) 36. Qxf7+ {[%emt 0:00:02] White mates.} Kh6 {[%emt 0:00:02]} 37. Qf8+ {[%emt 0:00:02]} Kg5 {[%emt 0:00:02]} 38. h4+ {[%emt 0:00:06] Weighted Error Value: White=0.29 (precise) /Black=0.56} 1-0

[Event "USA Girls Junior-ch TB 2022"]
[Site "Saint Louis"]
[Date "2022.07.19"]
[Round "6.1"]
[White "Cervantes Landeiro, Thalia"]
[Black "Morris-Suzuki, Sophie"]
[Result "1-0"]
[ECO "D37"]
[WhiteElo "2234"]
[BlackElo "2055"]
[Annotator "TA"]
[PlyCount "121"]
[EventDate "2022.07.07"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "180+2"]

{[%evp 13,121,10,22,16,30,15,32,31,66,85,84,22,31,23,18,-18,-14,-4,12,0,16,35,24,10,24,38,31,22,52,0,22,-104,-118,-113,-108,-109,-52,-85,-7,-9,-15,-12,88,-52,-45,-281,-269,-1133,-20,-27,-25,-38,-8,-11,66,-12,0,0,35,0,0,0,43,49,108,97,109,112,133,114,262,137,137,95,144,137,247,88,203,81,80,23,123,75,77,82,72,60,73,67,747,710,5517,5573,29974,29975,29975,29976,29975,29974,29983,29983,29984,29985,29986,29987,29988,29989,29989,29988]} 1. d4 {[%emt 0:00:04]} d5 {[%emt 0:00:04]} 2. c4 {[%emt 0:00:02]} e6 {[%emt 0:00:02]} 3. Nc3 {[%emt 0:00:02]} Nf6 {[%emt 0:00:02]} 4. Nf3 {[%emt 0:00:02]} Be7 {[%emt 0:00:02]} 5. Bf4 {[%emt 0:00:02]} O-O {[%emt 0:00:02]} 6. e3 {[%emt 0:00:02]} b6 {[%emt 0:00:02]} 7. Rc1 {[%emt 0:00:02]} Bb7 {[%emt 0:00:05]} 8. cxd5 {[%emt 0:00:03] D37: Queen's Gambit Declined: 5 Bf4.} exd5 {[%emt 0:00:04]} 9. Be2 {[%emt 0:00:07]} a6 {[%emt 0:00:02] Inhibits Nb5.} 10. O-O {[%emt 0:00:03] White is slightly better.} c5 {[%emt 0:00:02]} 11. Ne5 {[%emt 0:00:08] [#]} Nc6 $146 {[%emt 0:00:04]} ({Predecessor:} 11... Nbd7 12. Nxd7 Qxd7 13. Na4 Qc6 14. dxc5 bxc5 15. Nxc5 Bxc5 16. b4 Rac8 17. bxc5 Ne4 18. Qd4 Nxc5 19. Bg4 f5 20. Bh5 g6 21. Bf3 Ne6 22. Rxc6 Nxd4 23. Bxd5+ {1-0 (23) Krutous,A (2271)-Snezhko,A ICCF email 2019}) 12. Nxc6 {[%emt 0:00:10] White is more active.} ({White should play} 12. dxc5 $16 bxc5 13. Bf3) 12... Bxc6 $11 {[%emt 0:00:02]} 13. dxc5 {[%emt 0:00:02]} bxc5 {[%emt 0:00:03]} 14. Na4 {[%emt 0:00:04]} Qa5 {[%emt 0:00:11]} 15. Nc3 {[%emt 0:00:43]} Rad8 {[%emt 0:00:02]} 16. Bf3 {[%emt 0:00:12]} Ba8 {[%emt 0:00:13]} 17. Qa4 {[%emt 0:00:03]} Qb6 {[%emt 0:00:06]} 18. Qa3 {[%emt 0:00:05]} Rc8 {[%emt 0:00:50]} 19. Rfd1 {[%emt 0:00:24][%cal Rf3d5]} Rfd8 {[%emt 0:00:02]} 20. h3 {[%emt 0:00:07]} h6 {[%emt 0:00:02]} 21. b3 {[%emt 0:00:11]} (21. Be5 $14) 21... Qa7 {[%emt 0:00:04]} (21... Qe6 $5 {[%cal Rg7g5]}) 22. Qb2 {[%emt 0:00:08]} (22. Na4 $11) 22... d4 $17 {[%emt 0:00:07]} 23. exd4 {[%emt 0:00:08]} Bxf3 {[%emt 0:00:03]} 24. gxf3 {[%emt 0:00:02]} cxd4 {[%emt 0:00:03]} (24... Nh5 $1 $17 {[%cal Rh5f4]} 25. Bh2 (25. Ne2 $2 Nxf4 26. Nxf4 Bg5 $19) 25... Bg5) 25. Ne4 {[%emt 0:00:07]} Nd5 {[%emt 0:00:14]} (25... Rxc1 $1 $17 26. Qxc1 Nxe4 27. fxe4 Qb6) 26. Rxc8 {[%emt 0:00:09]} Rxc8 {[%emt 0:00:02]} 27. Be5 {[%emt 0:00:04]} f5 {[%emt 0:00:39]} (27... Nb4 $11) 28. Bxd4 {[%emt 0:00:13]} ({Weaker is} 28. Rxd4 Nb4 29. Nc3 Qb7 $15) (28. Ng3 $1 $16) 28... Qb7 $15 {[%emt 0:00:02]} 29. Ng3 {[%emt 0:00:04]} (29. Bxg7 $15 fxe4 30. Qe5) 29... Nf4 $1 $19 {[%emt 0:00:05][%csl LRf3,LRh3]} 30. Ne2 $2 {[%emt 0:00:12]} (30. Nxf5 {is a self mate.} Qxf3 $1 31. Ne3 Nxh3+ 32. Kh2 Nxf2 33. Nc4 Ng4+ 34. Kg1 Qxd1+ 35. Kg2 Rf8) (30. b4 Qxf3 31. Qb3+ Qxb3 32. axb3) 30... Nxh3+ $2 {[%emt 0:00:11]} (30... Qxf3 $19 {[%csl Gf4][%cal Rf3g2]} 31. Nxf4 Qxd1+ 32. Kg2 Rc2) 31. Kg2 $11 {[%emt 0:00:08]} Ng5 {[%emt 0:00:02]} 32. Ng1 {[%emt 0:00:03]} Rd8 {[%emt 0:00:08]} 33. Qe2 {[%emt 0:00:02] Inhibits Ne6.} Qd7 {[%emt 0:00:10]} (33... Kf7 $11) 34. Rd2 {[%emt 0:00:02]} (34. Qxa6 $14 Qe6 35. Qe2) 34... Ne6 {[%emt 0:00:02] Strongly threatening ...Nf4+.} 35. Be3 {[%emt 0:00:02] Against Nf4+} Qc8 {[%emt 0:00:07]} 36. Rxd8+ {[%emt 0:00:02]} (36. Rc2 {is more complex.} Qb7 37. Bxh6 Kf7 38. Bc1) 36... Bxd8 {[%emt 0:00:02]} 37. Qd3 {[%emt 0:00:02]} f4 {[%emt 0:00:06]} 38. Bd2 {[%emt 0:00:02]} Ng5 {[%emt 0:00:07]} ({Better is} 38... Qc6 $14) 39. Qd5+ {[%emt 0:00:02]} Kh8 {[%emt 0:00:02]} 40. Bxf4 {[%emt 0:00:05]} Ne6 {[%emt 0:00:02]} 41. Be5 {[%emt 0:00:02]} Bc7 {[%emt 0:00:02] [#]} (41... Bf6 $16 {is a better defense.}) 42. Bxc7 {[%emt 0:00:03]} ({White has to play} 42. Qc6 $1 $18) 42... Nxc7 $18 {[%emt 0:00:02][%mdl 4096] Endgame KQN-KQN} 43. Qc4 {[%emt 0:00:02]} Qd7 {[%emt 0:00:02]} (43... Qb7 $142) 44. Ne2 $16 {[%emt 0:00:02]} Ne6 {[%emt 0:00:02]} (44... Qd6 $16 {might work better.} 45. Nf4 a5) 45. Qe4 $2 {[%emt 0:00:02]} (45. Qxa6 $18 {And now Qc4 would win.} Qd5 46. Qc8+ Kh7 47. Qc2+ Kg8 48. a4) 45... Qe7 {[%emt 0:00:02] [#]} (45... Ng5 $16 46. Qg4 Qf7) 46. Ng3 {[%emt 0:00:03]} (46. Qa8+ $1 $18 {and White stays clearly on top.} Kh7 47. Qxa6) 46... Qf6 {[%emt 0:00:02]} 47. Qf5 {[%emt 0:00:02]} (47. b4 $16) 47... Qe7 {[%emt 0:00:02]} (47... Nf4+ $11 {keeps the balance.} 48. Kh2 Qxf5 49. Nxf5 Kg8) 48. Qe5 {[%emt 0:00:02]} ({White should try} 48. b4) 48... Qf7 {[%emt 0:00:02]} 49. Qb8+ {[%emt 0:00:02]} Kh7 {[%emt 0:00:02]} 50. Qd6 {[%emt 0:00:02]} Nf4+ {[%emt 0:00:02]} 51. Kh2 {[%emt 0:00:02]} Qe8 $2 {[%emt 0:00:02][%mdl 8192]} 52. Qxf4 $18 {[%emt 0:00:03] Intending Qe4+ and mate.} Qg6 {[%emt 0:00:02]} 53. Qe4 {[%emt 0:00:02] Threatening mate with Kh3.} Qxe4 {[%emt 0:00:03]} 54. fxe4 {[%emt 0:00:02] KN-K3P. White mates.} g5 {[%emt 0:00:02]} 55. e5 {[%emt 0:00:02]} Kg6 {[%emt 0:00:02]} 56. Kg2 {[%emt 0:00:02]} Kf7 {[%emt 0:00:02]} 57. Kf3 {[%emt 0:00:02]} Ke6 {[%emt 0:00:02]} 58. Ke4 {[%emt 0:00:02]} g4 {[%emt 0:00:02]} 59. Nh5 {[%emt 0:00:02]} a5 {[%emt 0:00:02]} 60. a4 {[%emt 0:00:02]} Ke7 {[%emt 0:00:02]} 61. Kf5 {[%emt 0:00:06] Both players deserved the win here.  Weighted Error Value: White=0.48/Black=0.51} 1-0

