[Event "NSV chessemy IM 2022"]
[Site "Braunschweig"]
[Date "2022.08.03"]
[Round "5.1"]
[White "von Mettenheim, Johannes"]
[Black "Brynell, Stellan"]
[Result "0-1"]
[ECO "A62"]
[WhiteElo "2253"]
[BlackElo "2387"]
[Annotator "TA"]
[PlyCount "80"]
[EventDate "2022.07.30"]
[EventType "tourn"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

{[%evp 19,80,15,12,14,50,45,37,53,60,52,56,58,59,59,58,52,65,46,31,12,14,0,19,11,25,18,39,-12,-11,-41,-30,-18,-9,-76,-66,-76,-100,-83,-91,-84,-83,-122,-62,-62,-61,-61,-61,-66,-62,-50,-29,-269,-291,-281,-298,-6070,-5860,-29985,-29986,-29986,-29985,-29986,-29986]} 1. d4 {[%emt 0:00:08]} Nf6 {[%emt 0:00:09]} 2. c4 {[%emt 0:00:13]} e6 {[%emt 0:00:07]} 3. g3 {[%emt 0:00:07]} c5 {[%emt 0:00:28]} 4. d5 {[%emt 0:00:42]} exd5 {[%emt 0:00:06]} 5. cxd5 {[%emt 0:00:08]} d6 {[%emt 0:00:05]} 6. Nc3 {[%emt 0:00:12]} g6 {[%emt 0:00:05]} 7. Bg2 {[%emt 0:00:17]} Bg7 {[%emt 0:00:06]} 8. Nf3 {[%emt 0:00:06]} O-O {[%emt 0:00:06][%cal Bh8f8,Bf8e8,Be8e4,Be4b4][%mdl 32]} 9. O-O {[%emt 0:00:05]} Re8 {[%emt 0:00:04]} 10. Re1 {[%emt 0:00:48]} a6 {[%emt 0:03:12]} 11. a4 {[%emt 0:00:25] A62: Modern Benoni: Fianchetto Variation without early ...Nbd7.} Ne4 {[%emt 0:00:19]} 12. Nxe4 {[%emt 0:00:39]} Rxe4 {[%emt 0:00:05]} 13. Qc2 {[%emt 0:00:47] White is slightly better.} Rb4 {[%emt 0:08:00]} 14. Ra2 {[%emt 0:00:27]} b5 {[%emt 0:02:58]} 15. axb5 {[%emt 0:03:49]} Nd7 {[%emt 0:04:04]} 16. e4 {[%emt 0:12:48]} Rxb5 {[%emt 0:08:47]} 17. Bf1 {[%emt 0:16:28] [#]} Ra5 $146 {[%emt 0:03:22]} ({Predecessor:} 17... Rb6 18. Bg5 Qe8 19. Bc4 Ne5 20. Nxe5 Bxe5 21. Be3 Bd7 22. f4 Bg7 23. e5 Bb5 {0-1 (47) Verat,L (2300)-Grimberg,G (2230) Clichy 1998}) 18. Rxa5 {[%emt 0:08:55]} Qxa5 {[%emt 0:00:07]} 19. Bf4 {[%emt 0:02:42]} Ne5 {[%emt 0:03:01]} 20. Nd2 {[%emt 0:00:30]} Bd7 {[%emt 0:08:56]} 21. Re3 {[%emt 0:01:42]} Bb5 {[%emt 0:00:55]} 22. Ra3 {[%emt 0:21:42]} Qd8 {[%emt 0:01:57]} 23. Bxb5 {[%emt 0:10:09]} ({White should play} 23. b3 $14) 23... axb5 $11 {[%emt 0:00:14]} 24. Qb3 {[%emt 0:00:17] Hoping for Rxa8.} Rxa3 {[%emt 0:13:57]} 25. Qxa3 {[%emt 0:00:23]} h6 {[%emt 0:02:14]} 26. Qa6 {[%emt 0:06:03]} (26. h4 $11) 26... Nd3 $1 $17 {[%emt 0:01:31]} 27. Be3 {[%emt 0:00:21]} ({Of course not} 27. Bxd6 Nb4 28. Qxb5 Qxd6 $17) 27... Qb8 {[%emt 0:01:58] Black is more active.} ({Reject} 27... Nxb2 28. Qxb5 Nd1 29. Qd3 $11) 28. b3 {[%emt 0:00:44]} Nb4 $1 {[%emt 0:01:26] Against Qa2} 29. Qa5 {[%emt 0:00:27] [#]} Nc2 $1 {[%emt 0:01:58]} 30. Nf1 {[%emt 0:01:13]} c4 {[%emt 0:05:00]} (30... Nxe3 $17 31. Nxe3 Qe8) 31. bxc4 $15 {[%emt 0:04:56]} bxc4 {[%emt 0:00:13][%cal Bb5c4,Bc4c3,Bc3c2][%mdl 32]} 32. Qa4 $1 {[%emt 0:01:11][%csl LRc2,LRc4]} Nxe3 {[%emt 0:02:06]} 33. Nxe3 {[%emt 0:00:07][%mdl 4096] Endgame KQB-KQN} Qb1+ {[%emt 0:01:23]} 34. Kg2 $1 {[%emt 0:00:40]} Qxe4+ {[%emt 0:00:23]} 35. Kh3 $2 {[%emt 0:00:04] Loses the game.} (35. Kg1 $1 $11 {and White is okay.}) 35... g5 $19 {[%emt 0:00:38] Threatens to win with ...Kh7.} ({Don't go for} 35... Qf3 $2 36. Qxc4 Qxf2 37. Ng4 $19) 36. Qd7 {[%emt 0:02:14] [#]} c3 $1 {[%emt 0:09:33]} 37. Qxd6 $2 {[%emt 0:00:30]} (37. Qg4 Qd3 38. Qd7) 37... Bd4 {[%emt 0:05:21]} 38. Qd8+ {[%emt 0:04:02]} Kg7 {[%emt 0:00:31] Black mates.} 39. Qc8 {[%emt 0:01:28]} Bxe3 {[%emt 0:02:40]} 40. fxe3 {[%emt 0:00:07]} c2 {[%emt 0:00:24] Weighted Error Value: White=0.60/Black=0.07 (flawless)} 0-1

[Event "NSV chessemy IM 2022"]
[Site "Braunschweig"]
[Date "2022.08.03"]
[Round "5.2"]
[White "Voege, Tobias"]
[Black "Colbow, Collin"]
[Result "0-1"]
[ECO "E13"]
[WhiteElo "2272"]
[BlackElo "2325"]
[Annotator "TA"]
[PlyCount "70"]
[EventDate "2022.07.30"]
[EventType "tourn"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

{[%evp 21,70,-11,-21,-17,-21,-18,-19,-13,-15,-47,-59,-71,-73,-124,-103,-124,-98,-87,-100,-154,-155,-136,-151,-166,-163,-222,-229,-283,-275,-316,-283,-332,-324,-622,-304,-898,-850,-1132,-851,-1118,-1131,-1153,-1012,-1112,-1054,-5185,-5084,-1930,-1022,-29989,-29990]} 1. d4 {[%emt 0:00:03]} Nf6 {[%emt 0:00:22]} 2. c4 {[%emt 0:00:05]} e6 {[%emt 0:00:11]} 3. Nf3 {[%emt 0:00:05]} b6 {[%emt 0:00:05]} 4. Nc3 {[%emt 0:00:11]} Bb4 {[%emt 0:00:15]} 5. Bg5 {[%emt 0:00:06]} Bb7 {[%emt 0:00:40]} 6. e3 {[%emt 0:00:05]} h6 {[%emt 0:00:05]} 7. Bh4 {[%emt 0:00:03]} g5 {[%emt 0:00:07]} 8. Bg3 {[%emt 0:00:04]} Ne4 {[%emt 0:00:07]} 9. Qc2 {[%emt 0:00:04]} Bxc3+ {[%emt 0:02:06]} 10. bxc3 {[%emt 0:00:05]} d6 {[%emt 0:00:05]} 11. Bd3 {[%emt 0:00:07]} f5 {[%emt 0:00:04]} 12. Qb3 {[%emt 0:00:04][%cal Oc4c5] E13: Queen's Indian/Nimzo-Indian hybrid: 4 Nc3 Bb7 5 Bg5 h6 6 Bh4 Bb4.} Nd7 {[%emt 0:02:02] Against c5} 13. c5 {[%emt 0:00:39]} Qe7 {[%emt 0:01:44]} 14. cxd6 {[%emt 0:01:07] The position is equal.} cxd6 {[%emt 0:03:09]} 15. Bxe4 {[%emt 0:04:34]} (15. O-O {with more complications.} Ndf6 16. a4 O-O 17. a5) 15... Bxe4 {[%emt 0:09:22]} (15... fxe4 16. Nd2 $14) 16. Qa3 {[%emt 0:07:45]} e5 {[%emt 0:11:46]} 17. dxe5 {[%emt 0:11:12]} (17. O-O-O $142) 17... Bxf3 $17 {[%emt 0:00:47]} ({Of course not} 17... dxe5 $6 18. Qxe7+ Kxe7 19. Nxe5 $11) (17... Nxe5 18. Nxe5 dxe5 19. Qxe7+ Kxe7 20. Bxe5 $14 (20. f3 f4 $14)) 18. exd6 {[%emt 0:02:44] [#]} Qe6 {[%emt 0:07:59]} 19. gxf3 {[%emt 0:00:12] Threatens to win with 0-0-0.} f4 $1 {[%emt 0:00:07] [#]} 20. Bxf4 $146 {[%emt 0:03:48]} ({Predecessor:} 20. Rd1 fxg3 21. hxg3 Nc5 22. Rd4 Rh7 23. O-O O-O-O 24. Rfd1 Rhd7 25. Qb4 Rxd6 26. a4 Rxd4 27. cxd4 {½-½ (54) Dunjic,D (2122)-Savicevic,V (2321) Belgrade 2012}) 20... gxf4 {[%emt 0:00:16]} 21. O-O-O {[%emt 0:00:26]} O-O $36 {[%emt 0:08:09][%mdl 2048] White is under strong pressure.} 22. Rhg1+ {[%emt 0:07:29]} Kh8 {[%emt 0:00:37]} 23. exf4 {[%emt 0:14:11]} (23. Qb3 $142 Qxb3 24. axb3) 23... Rxf4 $19 {[%emt 0:10:59]} 24. Rde1 {[%emt 0:04:44]} Qf6 {[%emt 0:03:57]} 25. Rg3 {[%emt 0:11:15]} Rc8 {[%emt 0:07:37]} ({Wrong is} 25... Rxf3 $2 26. Rxf3 Qxf3 27. Qb2 $19) 26. Re3 {[%emt 0:02:13]} b5 {[%emt 0:06:03] White must now prevent ...Rfc4.} 27. Kd2 $2 {[%emt 0:05:57]} (27. Qb2) 27... Rfc4 {[%emt 0:10:29]} (27... b4 $142 28. Qb3 bxc3+ 29. Ke2 c2) 28. f4 $2 {[%emt 0:04:15]} (28. Qb3) 28... b4 {[%emt 0:00:30]} 29. Qxa7 {[%emt 0:05:23]} Qxd6+ {[%emt 0:04:26]} 30. Rd3 {[%emt 0:02:53]} bxc3+ {[%emt 0:00:40]} 31. Ke2 {[%emt 0:07:59]} Qe6+ {[%emt 0:00:41]} 32. Rde3 {[%emt 0:00:35]} Qf7 {[%emt 0:03:36] [#] ( -> ...c2)} 33. Qa3 {[%emt 0:03:11]} c2 {[%emt 0:00:43]} 34. Qb2+ {[%emt 0:00:05]} Qf6 {[%emt 0:03:44]} 35. Re6 {[%emt 0:00:57]} c1=Q {[%emt 0:01:26] Weighted Error Value: White=1.10/Black=0.54} ({Resist} 35... Qxb2 36. Rxh6#) 0-1

[Event "NSV chessemy IM 2022"]
[Site "Braunschweig"]
[Date "2022.08.03"]
[Round "5.3"]
[White "Chennaoui, Yasin"]
[Black "Knuedel, Torben"]
[Result "0-1"]
[ECO "C41"]
[WhiteElo "2127"]
[BlackElo "2210"]
[Annotator "TA"]
[PlyCount "126"]
[EventDate "2022.07.30"]
[EventType "tourn"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

{[%evp 16,125,41,40,47,43,71,62,59,47,56,43,19,26,33,41,50,46,48,31,57,29,70,52,42,68,103,0,0,-18,-6,-6,-7,-8,0,-8,0,0,0,0,0,0,0,0,2,0,0,0,0,0,62,0,104,0,0,0,8,-1182,-1168,-1152,-1150,-977,-946,-1789,-1789,-1789,-1787,-29960,-29962,-29955,-29961,-29960,-29964,-29957,-5044,-29972,-29973,-29981,-29982,-29982,-29983,-29983,-29983,-29984,-29985,-29987,-29988,-29988,-29989,-29989,-29990,-29990,-29989,-29991,-29992,-29992,-29991,-29991,-29992,-29992,-29993,-29994,-29994,-29995,-29996,-29996,-29997,-29997,-29998,-29998,-29999,-29999]} 1. e4 {[%emt 0:00:03]} e5 {[%emt 0:00:04]} 2. Nc3 {[%emt 0:00:04]} c6 {[%emt 0:02:12]} 3. Nf3 {[%emt 0:01:03]} d6 {[%emt 0:02:52]} 4. d4 {[%emt 0:02:06]} Nd7 {[%emt 0:00:34]} 5. a4 {[%emt 0:06:29]} Be7 {[%emt 0:00:35]} 6. Bc4 {[%emt 0:00:06]} Ngf6 {[%emt 0:04:16][%cal Bg8f6,Bf6h5,Bh5f4][%mdl 32]} 7. O-O {[%emt 0:00:25]} O-O {[%emt 0:00:14] 7...h6 deserves study.} 8. Ba2 {[%emt 0:02:57]} Qc7 {[%emt 0:08:30]} 9. Qe2 {[%emt 0:01:13] was the old line (9.Re1).} h6 {[%emt 0:04:26] C41: Philidor Defence.} 10. Rd1 {[%emt 0:04:07] [#]} Nh5 $146 {[%emt 0:05:27]} ({Predecessor:} 10... exd4 11. Nxd4 Re8 12. Bf4 Ne5 13. Bg3 Bf8 14. h3 a5 15. Rab1 Ng6 16. Qd3 Ne5 17. Qe2 Ng6 {0-1 (44) Martinez Romero,M (2477)-Valderrama Quiceno,E (2542) Quibdo 2015}) 11. Be3 {[%emt 0:02:51][%cal Of3e5]} Ndf6 {[%emt 0:04:31][%cal Bd7f6,Bf6g4,Bg4e3][%mdl 32] White is slightly better.} 12. a5 {[%emt 0:04:44]} Ng4 {[%emt 0:03:58]} 13. d5 {[%emt 0:17:01]} Nxe3 {[%emt 0:05:00]} 14. Qxe3 {[%emt 0:02:18][%cal Oa5a6]} Nf4 {[%emt 0:11:00]} 15. a6 {[%emt 0:02:28]} c5 {[%emt 0:04:18]} 16. axb7 {[%emt 0:01:01]} Qxb7 {[%emt 0:01:11]} 17. Bc4 {[%emt 0:00:35]} Bg4 {[%emt 0:04:02]} (17... Qxb2 $2 18. Rdb1 Qxc2 19. Ne1 Qxb1 20. Rxb1 $18) 18. h3 {[%emt 0:05:16]} Bh5 {[%emt 0:00:50]} 19. Kh2 {[%emt 0:00:35]} (19. Ra6 $5 {[%cal Rd1a1]}) 19... Bg5 {[%emt 0:12:15][%cal Of4g2] Hoping for ...Nxg2!} (19... Qxb2 $2 20. Rdb1 Qxc2 21. Ra2 Qxb1 22. Nxb1 $18) 20. g4 {[%emt 0:19:41]} Bg6 {[%emt 0:03:12][%cal Of4h3]} 21. h4 {[%emt 0:05:09]} (21. Nxg5 $16 {Nf3 is the strong threat.} hxg5 22. Ra6) 21... Ng2 $11 {[%emt 0:01:10]} 22. Qd3 {[%emt 0:03:50]} Nxh4 {[%emt 0:00:13]} 23. Nxg5 {[%emt 0:00:06]} hxg5 {[%emt 0:00:11]} 24. Ra6 {[%emt 0:00:37]} Qe7 {[%emt 0:03:21]} 25. Qe3 {[%emt 0:05:12]} f5 {[%emt 0:03:59]} 26. exf5 {[%emt 0:01:59]} Bxf5 {[%emt 0:00:07]} 27. gxf5 {[%emt 0:00:05]} Nxf5 {[%emt 0:00:08]} 28. Qh3 {[%emt 0:02:57]} Rf6 $1 {[%emt 0:00:36]} 29. Kg1 {[%emt 0:01:07]} Raf8 {[%emt 0:02:47][%cal Og5g4] aiming for ...g4!} 30. Be2 {[%emt 0:02:03] Threatens to win with Bg4.} Rh6 {[%emt 0:05:24]} 31. Qg2 {[%emt 0:00:52]} Nh4 {[%emt 0:01:40]} 32. Qg3 {[%emt 0:00:42]} Rf4 {[%emt 0:00:56]} (32... Nf5 $11 33. Qg4 Nd4) 33. Bg4 {[%emt 0:00:35]} ({Better is} 33. Rda1 $14 Nf5 34. Qg2 (34. Rxa7 Nxg3 35. Rxe7 Rh1+ 36. Kg2 Rxa1 $16)) 33... Rhf6 {[%emt 0:01:43] [#]} (33... e4 $11) 34. Rf1 {[%emt 0:00:56]} ({White should try} 34. Ra4 $1 $16) 34... e4 $1 {[%emt 0:02:38][%cal Oe4e3] And now ...e3! would win.} 35. Ra4 $1 {[%emt 0:02:15]} Qe5 {[%emt 0:00:18][%cal Of4g4] White must now prevent ...Rxg4!} 36. Ne2 $2 {[%emt 0:01:12][%mdl 8192] [#] White does not recover from this.} (36. Rxa7 {[#]} Rxg4 $1 {[%mdl 512]} 37. Qxg4 Nf3+) (36. Be6+ $11 Rxe6 37. dxe6 Qxe6 38. Rxe4 (38. Rxa7 $2 Rg4 $19) 38... Rxe4 39. Nxe4 Qxe4 40. f4) 36... Rxg4 $1 $19 {[%emt 0:00:35][%mdl 576] Remove Defender} 37. Qxg4 {[%emt 0:00:12]} Nf3+ {[%emt 0:00:06]} 38. Qxf3 {[%emt 0:00:22]} Rxf3 {[%emt 0:00:40]} 39. Kg2 {[%emt 0:00:31]} Qxd5 {[%emt 0:00:44]} 40. Nc3 {[%emt 0:00:09]} Qf5 {[%emt 0:00:45]} 41. Nxe4 {[%emt 0:30:15]} Qg4+ {[%emt 0:30:39]} 42. Ng3 {[%emt 0:00:00]} Rxg3+ {[%emt 0:00:00]} 43. fxg3 {[%emt 0:00:00]} Qxa4 {[%emt 0:00:00] KQ-KR} 44. Rf2 {[%emt 0:00:00]} c4 {[%emt 0:00:00] ( -> ...Qc6+)} 45. Rd2 {[%emt 0:00:00]} Qc6+ {[%emt 0:00:00] Black mates.} 46. Kh2 {[%emt 0:00:00]} c3 {[%emt 0:00:00]} 47. bxc3 {[%emt 0:00:00]} a5 {[%emt 0:00:00]} 48. c4 {[%emt 0:00:00]} a4 {[%emt 0:00:00]} 49. Rd3 {[%emt 0:00:00]} Qxc4 {[%emt 0:00:00]} 50. Rxd6 {[%emt 0:00:00]} a3 {[%emt 0:00:00]} 51. Rd8+ {[%emt 0:00:00]} Kh7 {[%emt 0:00:00]} 52. Ra8 {[%emt 0:00:00]} a2 {[%emt 0:00:00]} 53. c3 {[%emt 0:00:00]} g4 {[%emt 0:00:00]} 54. Ra3 {[%emt 0:00:00]} Qe2+ {[%emt 0:00:00]} 55. Kg1 {[%emt 0:00:00]} Qb2 {[%emt 0:00:00]} 56. Ra8 {[%emt 0:00:00]} a1=R+ {[%emt 0:00:00]} 57. Rxa1 {[%emt 0:00:00]} Qxa1+ {[%emt 0:00:00]} 58. Kg2 {[%emt 0:00:00]} Qb2+ {[%emt 0:00:00]} 59. Kf1 {[%emt 0:00:00]} Kg6 {[%emt 0:00:00]} 60. c4 {[%emt 0:00:00]} Kf5 {[%emt 0:00:00]} 61. c5 {[%emt 0:00:00]} Ke4 {[%emt 0:00:00]} 62. c6 {[%emt 0:00:00]} Kf3 {[%emt 0:00:00][%cal Rb2a1]} 63. c7 {[%emt 0:00:00]} Qa1# {[%emt 0:00:00] Weighted Error Value: White=0.74/Black=0.12 (very precise)} 0-1

[Event "NSV chessemy IM 2022"]
[Site "Braunschweig"]
[Date "2022.08.03"]
[Round "5.4"]
[White "Fischer, Daniel"]
[Black "Pubantz, Jan"]
[Result "0-1"]
[ECO "B12"]
[WhiteElo "2351"]
[BlackElo "2269"]
[Annotator "TA"]
[PlyCount "74"]
[EventDate "2022.07.30"]
[EventType "tourn"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

{[%evp 10,74,13,9,13,15,22,10,15,0,0,0,0,0,0,0,0,-2,25,9,25,27,56,19,13,7,34,0,0,-150,-141,-233,-225,-366,-376,-418,-413,-431,-409,-462,-477,-460,-467,-527,-523,-721,-695,-816,-789,-920,-659,-845,-729,-722,-720,-678,-687,-686,-671,-766,-751,-675,-534,-885,-880,-993,-952]} 1. e4 {[%emt 0:00:04]} c6 {[%emt 0:00:02]} 2. d4 {[%emt 0:00:08]} d5 {[%emt 0:00:01]} 3. e5 {[%emt 0:00:09]} Bf5 {[%emt 0:00:01]} 4. Nd2 {[%emt 0:00:22]} e6 {[%emt 0:01:07]} 5. Nb3 {[%emt 0:00:06]} Nd7 {[%emt 0:00:16]} 6. Nf3 {[%emt 0:00:10]} Qc7 {[%emt 0:00:17] B12: Caro-Kann: Advance Variation.} 7. Be2 {[%emt 0:00:40]} c5 {[%emt 0:00:55]} 8. dxc5 {[%emt 0:00:18]} Bxc5 {[%emt 0:00:46] The position is equal.} 9. Nxc5 {[%emt 0:00:28]} Qxc5 {[%emt 0:00:29]} 10. c3 {[%emt 0:00:34]} Ne7 {[%emt 0:07:11]} 11. O-O {[%emt 0:00:12] 11.Nd4 is a critical line.} O-O {[%emt 0:04:55]} 12. Re1 {[%emt 0:00:51]} Qc7 {[%emt 0:04:14]} 13. Bf4 {[%emt 0:11:58] [#]} Be4 $146 {[%emt 0:21:33]} ({Predecessor:} 13... Ng6 14. Bg3 Bg4 15. Nd4 Bxe2 16. Qxe2 a6 17. h4 Ne7 18. h5 h6 19. Bf4 Nc6 {½-½ (45) Gledura,B (2605)-Lupulescu,C (2631) Hungary 2017}) 14. Bf1 {[%emt 0:15:44]} a6 {[%emt 0:22:36]} 15. Nd4 {[%emt 0:11:09]} Nc6 {[%emt 0:03:32]} 16. Bg3 {[%emt 0:08:24]} Bg6 {[%emt 0:02:37]} (16... Ndxe5 $2 17. f3 $18) 17. Rc1 {[%emt 0:07:18]} Nxd4 {[%emt 0:05:26]} (17... Ncxe5 $2 18. Qe2 $18) 18. Qxd4 {[%emt 0:01:41]} (18. cxd4 $5 {[%cal Rc1c7]} Qb6 19. Qd2 $11) 18... b5 {[%emt 0:00:44][%cal Bb7b5,Bb5a4][%mdl 32]} 19. a4 {[%emt 0:06:10] [#] Black continues to play with concentration.} ({Better is} 19. f3 $11) 19... Nc5 $1 $17 {[%emt 0:04:24]} 20. Qb4 {[%emt 0:08:50] Against Nb3} (20. Qd1 $17) 20... bxa4 $19 {[%emt 0:01:58]} 21. c4 {[%emt 0:02:01]} (21. Qa3 $142) 21... d4 {[%emt 0:02:31][%cal Bd5d4,Bd4d3][%mdl 32]} 22. Rcd1 {[%emt 0:03:17]} Rfd8 {[%emt 0:00:09]} 23. Bh4 {[%emt 0:01:58]} Rd7 {[%emt 0:00:15]} 24. Qd2 {[%emt 0:01:15]} Rb8 {[%emt 0:02:10] Black is clearly winning.} 25. f3 {[%emt 0:01:46]} Nb3 {[%emt 0:02:15]} 26. Qf2 {[%emt 0:02:42]} d3 {[%emt 0:00:59]} 27. Qg3 {[%emt 0:00:45]} Qxc4 {[%emt 0:05:24]} 28. Bg5 {[%emt 0:00:05]} Qc2 {[%emt 0:01:06] aiming for ...d2.} 29. Be2 {[%emt 0:03:19]} Rd5 {[%emt 0:02:20]} 30. h4 {[%emt 0:01:22]} Qc5+ {[%emt 0:01:16]} 31. Kh2 {[%emt 0:00:04]} dxe2 {[%emt 0:00:09]} 32. Rxd5 {[%emt 0:00:04]} Qxd5 {[%emt 0:00:10]} 33. Rxe2 {[%emt 0:00:05]} Qc4 {[%emt 0:01:19]} 34. Re1 {[%emt 0:01:02]} h5 {[%emt 0:00:52] Inhibits Qg4.} 35. Qf2 {[%emt 0:00:43]} Qd4 {[%emt 0:00:58]} 36. Qe2 {[%emt 0:01:03]} Nc5 {[%emt 0:00:29]} 37. Rd1 {[%emt 0:01:00]} Nd3 {[%emt 0:00:27] Weighted Error Value: White=0.52/Black=0.19 (very precise)} 0-1

[Event "NSV chessemy IM 2022"]
[Site "Braunschweig"]
[Date "2022.08.03"]
[Round "5.5"]
[White "Sumets, Andrey"]
[Black "Sriram, Jha"]
[Result "1-0"]
[ECO "D15"]
[WhiteElo "2542"]
[BlackElo "2361"]
[Annotator "TA"]
[PlyCount "93"]
[EventDate "2022.07.30"]
[EventType "tourn"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

{[%evp 9,93,28,33,19,19,4,2,0,0,5,16,31,16,15,16,12,12,11,16,20,24,17,17,18,17,22,17,9,6,5,10,0,4,8,20,14,18,18,18,18,18,9,50,0,0,0,0,0,0,0,0,0,0,0,0,0,155,180,183,158,600,322,633,316,293,270,440,438,1049,1049,1008,999,924,899,811,809,881,800,6412,6171,5069,3280,6644,7923,29948,6271]} 1. d4 {[%emt 0:00:03]} d5 {[%emt 0:01:11]} 2. c4 {[%emt 0:00:07]} c6 {[%emt 0:00:02]} 3. Nc3 {[%emt 0:00:09]} Nf6 {[%emt 0:00:04]} 4. e3 {[%emt 0:00:03]} a6 {[%emt 0:00:54]} 5. Nf3 {[%emt 0:00:05]} Bf5 {[%emt 0:02:06]} 6. Bd2 {[%emt 0:04:56] D15: Slav Defence: 4 Nc3 a6 and gambit lines after 4 Nc3 dxc4.} e6 {[%emt 0:03:35]} 7. Nh4 {[%emt 0:01:01]} Bg4 {[%emt 0:05:18]} 8. Qb3 {[%emt 0:00:15] The position is equal.} b5 {[%emt 0:06:45]} 9. cxd5 {[%emt 0:00:08]} cxd5 {[%emt 0:00:19]} 10. h3 {[%emt 0:01:04]} Bh5 {[%emt 0:00:44]} 11. g4 {[%emt 0:02:55]} Bg6 {[%emt 0:07:44]} 12. Nxg6 {[%emt 0:02:45]} hxg6 {[%emt 0:00:02]} 13. g5 {[%emt 0:01:40]} Nfd7 {[%emt 0:01:18]} 14. Rc1 {[%emt 0:00:24]} Be7 {[%emt 0:01:53] [#]} (14... Qxg5 $2 {[#]} 15. Nxb5 $1 {[%mdl 512]} axb5 16. Rc8+ Ke7 17. e4 $18 (17. Bxb5 Qg2 $11)) 15. h4 $146 {[%emt 0:32:23]} ({Predecessor:} 15. f4 Nb6 16. a4 b4 17. Nd1 a5 18. Nf2 f6 19. gxf6 gxf6 20. e4 Kf7 21. f5 gxf5 22. exf5 {1-0 (41) Predke,A (2611)-Krstulovic,A (2351) Skopje 2019}) 15... Nb6 {[%emt 0:24:25]} ({Much less strong is} 15... Bxg5 16. Nxd5 Ra7 17. Bg2 Rxh4 18. Rxh4 Bxh4 19. Nf4 $16) 16. a4 {[%emt 0:00:23]} b4 {[%emt 0:06:26]} 17. Nd1 {[%emt 0:02:06]} a5 {[%emt 0:00:19] White must now prevent ...Bxg5.} 18. Bb5+ {[%emt 0:00:44]} N8d7 {[%emt 0:00:15] [#] And now ...Bxg5 would win.} 19. f4 {[%emt 0:01:43]} Rc8 {[%emt 0:00:47]} 20. Nf2 {[%emt 0:05:29]} Rxc1+ {[%emt 0:00:52]} 21. Bxc1 {[%emt 0:00:07]} Qc7 {[%emt 0:00:38]} 22. Qd1 {[%emt 0:29:41]} Nc8 {[%emt 0:04:51][%cal Bb6c8,Bc8d6,Bd6f5][%mdl 32]} 23. Bd2 {[%emt 0:00:28]} Nd6 {[%emt 0:00:26]} 24. Bd3 {[%emt 0:00:10]} Nf5 {[%emt 0:03:00]} 25. Rh3 {[%emt 0:00:28]} f6 {[%emt 0:03:00]} 26. h5 {[%emt 0:01:35]} (26. Qf3 $14) 26... fxg5 $11 {[%emt 0:03:23]} 27. hxg6 {[%emt 0:00:06]} Rxh3 {[%emt 0:00:06]} 28. Nxh3 {[%emt 0:00:03]} gxf4 {[%emt 0:00:41]} 29. Nxf4 {[%emt 0:00:36] Hoping for Qh5.} Bg5 {[%emt 0:03:54]} 30. Bxf5 {[%emt 0:01:49]} exf5 {[%emt 0:02:11]} 31. Qh5 {[%emt 0:00:20]} Bxf4 {[%emt 0:01:24]} 32. exf4 {[%emt 0:00:04][%mdl 4096] Endgame KQB-KQN} Nf8 $2 {[%emt 0:08:25]} ({Black should try} 32... Qc2 $11) 33. Qxf5 $16 {[%emt 0:00:08] Kf2 is the strong threat.} Qe7+ {[%emt 0:00:04]} 34. Kf2 {[%emt 0:03:29] Strongly threatening Qc8+.} Qd6 $2 {[%emt 0:04:09] This costs Black the game.} (34... Nd7 $16 35. Qxd5 Qh4+ 36. Kf1 Qh3+ 37. Ke2 Qg4+ 38. Kd3 Nf6 39. Qe5+ (39. Qxa5 Qf3+ 40. Kc2 Qe4+ 41. Kb3 Qd3+ 42. Ka2 Qxd2 $11) 39... Kf8) 35. Qf7+ $18 {[%emt 0:05:29]} Kd8 {[%emt 0:00:00]} 36. Qa7 {[%emt 0:02:22]} (36. Kf3 $142) 36... Nxg6 {[%emt 0:01:51]} 37. Qxa5+ {[%emt 0:00:05]} Kd7 $2 {[%emt 0:03:07]} (37... Kc8 {was necessary.} 38. Qa8+ Kd7 39. Qb7+ Kd8 40. Qxg7 b3) 38. Qa7+ {[%emt 0:01:04]} Qc7 {[%emt 0:00:48]} (38... Kc8 $142 39. Qxg7 Ne7) 39. Qxc7+ {[%emt 0:01:22]} Kxc7 {[%emt 0:00:00] KB-KN} 40. Ke3 {[%emt 0:01:20]} b3 {[%emt 0:00:40]} 41. Kd3 {[%emt 0:30:25]} Ne7 {[%emt 0:07:09]} 42. Kc3 {[%emt 0:00:00]} Nc6 {[%emt 0:00:15]} 43. Be3 {[%emt 0:00:00]} Na5 {[%emt 0:00:04]} 44. f5 {[%emt 0:00:00]} Kd7 {[%emt 0:02:00]} 45. Bf4 {[%emt 0:00:00] aiming for Be5.} Ke7 {[%emt 0:00:33]} 46. Be5 {[%emt 0:00:00]} Kf7 {[%emt 0:00:09]} 47. Kb4 {[%emt 0:00:00] Weighted Error Value: White=0.15 (very precise) /Black=0.55} 1-0

