[Event "13th Chennai Open 2022"]
[Site "Chennai"]
[Date "2022.06.21"]
[Round "4.1"]
[White "Savchenko, Boris"]
[Black "Hirthickkesh PR"]
[Result "1-0"]
[ECO "E20"]
[WhiteElo "2524"]
[BlackElo "2232"]
[Annotator "TA"]
[PlyCount "83"]
[EventDate "2022.06.19"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 9,83,0,16,0,31,29,44,33,33,0,0,12,102,102,87,83,89,76,74,53,61,69,61,55,51,56,59,51,55,55,57,73,72,60,171,180,201,60,62,68,116,109,328,328,408,406,392,360,370,299,338,326,353,368,452,450,619,241,320,289,289,239,666,662,789,768,5085,4718,2071,474,460,466,464,450,415,422]} 1. d4 {[%emt 0:00:22]} Nf6 {[%emt 0:00:09]} 2. c4 {[%emt 0:00:18]} e6 {[%emt 0:00:08]} 3. Nc3 {[%emt 0:00:12]} Bb4 {[%emt 0:00:44]} 4. g3 {[%emt 0:05:37]} O-O {[%emt 0:02:08]} 5. Bg2 {[%emt 0:00:41]} d6 {[%emt 0:03:55]} 6. e3 {[%emt 0:10:04] [#] E20: Nimzo-Indian: 4 g3 and 4 f3.} e5 $146 {[%emt 0:09:43]} ({Predecessor:} 6... Bxc3+ 7. bxc3 Nbd7 8. Nf3 {½-½ (8) Levin,F (2503)-Maiorov,N (2537) Cesenatico 2015}) 7. Nge2 {[%emt 0:00:17]} e4 {[%emt 0:10:01]} 8. O-O {[%emt 0:00:20] White is slightly better.} Re8 {[%emt 0:01:45]} 9. Nd5 {[%emt 0:00:44]} Nxd5 {[%emt 0:02:03]} 10. cxd5 {[%emt 0:00:08]} Bg4 {[%emt 0:15:20]} (10... Ba5 $11 {keeps the balance.}) 11. h3 $1 $16 {[%emt 0:01:23]} Bxe2 {[%emt 0:01:45]} 12. Qxe2 {[%emt 0:00:06]} Ba5 {[%emt 0:00:40]} 13. b4 {[%emt 0:04:53]} Bb6 {[%emt 0:00:04]} 14. Bd2 {[%emt 0:09:45]} a5 {[%emt 0:10:16]} 15. a4 {[%emt 0:07:20]} axb4 {[%emt 0:03:31]} 16. Qb5 $36 {[%emt 0:01:41][%mdl 2048] Strongly threatening a5. White fights for an advantage.} c5 $1 {[%emt 0:22:35]} 17. dxc6 {[%emt 0:00:53]} Nxc6 {[%emt 0:00:58]} 18. Bxb4 {[%emt 0:00:11][%cal Oa4a5]} Nxb4 {[%emt 0:03:04]} 19. Qxb4 {[%emt 0:00:09]} d5 {[%emt 0:02:05]} 20. Rfc1 {[%emt 0:06:39]} h5 {[%emt 0:03:29]} 21. h4 {[%emt 0:02:58]} g5 {[%emt 0:03:12]} (21... Re7 $14) 22. hxg5 $18 {[%emt 0:00:21]} Re6 {[%emt 0:00:24]} 23. a5 {[%emt 0:02:48]} ({White should play} 23. Bh3 $1 $18 {[%cal Rh3e6]} Ba5 24. Qxb7) 23... Bxa5 $14 {[%emt 0:01:45]} 24. Qb5 {[%emt 0:05:30] White is more active.} b6 {[%emt 0:00:11] [#]} (24... Rb6 $14 25. Qe2 Rg6) 25. Rc6 $1 $16 {[%emt 0:00:22]} (25. Bh3 Rg6 $14) 25... Rxc6 $2 {[%emt 0:02:30] Black cannot hold the game after this.} (25... Qxg5 $16 26. Rxe6 fxe6) 26. Qxc6 $18 {[%emt 0:00:07]} Rc8 {[%emt 0:00:13]} 27. Qh6 {[%emt 0:00:23] Hoping for Bh3.} Qf8 {[%emt 0:00:29]} 28. Qxh5 {[%emt 0:00:12] g6 is the strong threat.} Qg7 {[%emt 0:00:20] Against g6} 29. g6 {[%emt 0:01:51]} Qxg6 {[%emt 0:00:11]} 30. Qxd5 {[%emt 0:00:07]} Re8 {[%emt 0:00:08]} 31. Rc1 {[%emt 0:00:34] Black must now prevent Rc6.} Kg7 {[%emt 0:01:24]} 32. Rc6 {[%emt 0:04:38]} Qg4 {[%emt 0:00:07] [#]} 33. Qb3 {[%emt 0:09:55]} (33. Bh3 $1 {[%mdl 512]} Qxh3 34. Qg5+ Kh7 35. Rf6) 33... Be1 {[%emt 0:00:40] ( -> ...Qe2)} 34. Qb2 {[%emt 0:01:05] Against Qe2} (34. Qxb6 Qe2 35. Rf6 Re6 36. Rxe6 Bxf2+ 37. Kh2 Qg4 $11) 34... Qf5 {[%emt 0:00:58]} 35. d5+ {[%emt 0:06:21]} f6 $2 {[%emt 0:00:07]} (35... Qe5 36. Qa2 (36. Rxb6 Ba5 $18) (36. Qxb6 Rb8 $14) 36... Ba5) 36. d6 {[%emt 0:04:27]} Re5 {[%emt 0:00:39]} 37. Rc1 {[%emt 0:01:27]} Ba5 {[%emt 0:00:47]} 38. Rc7+ {[%emt 0:01:38]} Kh6 {[%emt 0:00:01]} 39. Re7 {[%emt 0:01:17]} (39. d7 $142 Rd5 40. Qa3 (40. Bxe4 $2 Rd1+ 41. Kg2 Qxe4+ 42. f3 Qe6 $19) 40... Rd1+ 41. Kh2 Rxd7 42. Qf8+ Kg5 43. Qg8+ Qg6 44. Qxg6+ Kxg6 45. Rxd7) 39... Rxe7 {[%emt 0:00:55]} 40. dxe7 {[%emt 0:00:06]} Qe6 {[%emt 0:00:02]} 41. e8=Q {[%emt 0:00:10]} Qxe8 {[%emt 0:00:05]} 42. Qxf6+ {[%emt 0:00:06] Weighted Error Value: White=0.48/Black=0.44} 1-0

[Event "13th Chennai Open 2022"]
[Site "Chennai"]
[Date "2022.06.21"]
[Round "4.2"]
[White "Ziatdinov, Raset"]
[Black "Stupak, Kirill"]
[Result "0-1"]
[ECO "C15"]
[WhiteElo "2224"]
[BlackElo "2440"]
[Annotator "TA"]
[PlyCount "78"]
[EventDate "2022.06.19"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 15,78,0,32,0,0,-22,-16,-84,-19,-41,-37,-39,-39,-55,-54,-47,-43,-76,-72,-72,-55,-49,-49,-69,-62,-85,-32,-104,-66,-84,-20,-23,-23,-83,7,-62,-85,-200,-181,-236,-221,-296,-281,-281,-214,-306,-302,-285,-302,-307,-266,-429,-429,-459,-449,-605,-395,-939,-212,-205,229,-631,-379,-405,-267]} 1. e4 {[%emt 0:07:44]} e6 {[%emt 0:00:07]} 2. d4 {[%emt 0:00:06]} d5 {[%emt 0:00:02]} 3. Nc3 {[%emt 0:00:05]} Bb4 {[%emt 0:00:02]} 4. a3 {[%emt 0:00:18]} Bxc3+ {[%emt 0:00:06]} 5. bxc3 {[%emt 0:00:03]} dxe4 {[%emt 0:00:05]} 6. Qg4 {[%emt 0:00:06]} Nf6 {[%emt 1:33:08]} 7. Qxg7 {[%emt 0:00:07]} Rg8 {[%emt 0:00:00]} 8. Qh6 {[%emt 1:26:01]} Nbd7 {[%emt 0:00:00]} 9. h3 {[%emt 0:00:00] C15: French: 3 Nc3 Bb4: Unusual White 4th moves.} b6 {[%emt 0:00:00]} 10. g4 {[%emt 0:01:00]} Bb7 {[%emt 0:00:00] [#]} 11. Be3 $146 {[%emt 0:00:30]} (11. Ne2 $11 {keeps the balance.}) ({Predecessor:} 11. Bg2 Qe7 12. g5 Qf8 13. Qxf8+ Nxf8 14. h4 h6 15. f4 O-O-O 16. Ne2 Nh5 17. Be3 {1-0 (46) Vorotnikov,V (2475)-Uhlmann,W (2505) Leningrad 1984}) 11... Rg6 {[%emt 0:00:00]} (11... Qe7 $17) 12. Qh4 $11 {[%emt 0:00:00]} Nd5 {[%emt 0:00:00]} 13. Qxd8+ {[%emt 0:00:00]} Rxd8 {[%emt 0:00:00]} 14. c4 {[%emt 0:00:00]} Nxe3 {[%emt 0:00:00]} 15. fxe3 {[%emt 0:00:00]} c5 {[%emt 0:00:00]} 16. Ne2 {[%emt 0:00:00]} cxd4 {[%emt 0:00:00]} 17. exd4 {[%emt 0:00:00]} Rc8 {[%emt 0:00:00]} 18. Nf4 {[%emt 0:00:00]} Rg5 {[%emt 0:00:00]} 19. Ng2 {[%emt 0:00:00]} f5 {[%emt 0:00:00] Black is more active.} 20. Be2 {[%emt 0:00:00]} Ba6 {[%emt 0:00:00]} (20... e5 $17 {Strongly threatening ...f4.} 21. dxe5 Nxe5) 21. Nf4 {[%emt 0:00:00]} ({White should play} 21. Rf1 $1 $15) 21... Nf8 {[%emt 0:00:00]} 22. h4 {[%emt 0:05:30]} Rg8 $36 {[%emt 0:00:00][%mdl 2048] Black fights for an advantage.} (22... Rg7 $17 23. gxf5 exf5) 23. gxf5 {[%emt 0:00:00]} exf5 {[%emt 0:00:00]} 24. Nd5 {[%emt 0:00:00] [#]} (24. Rf1 $1 $11 {remains equal.}) 24... Nd7 {[%emt 0:00:00]} (24... Rg7 $1 $17) 25. Bh5+ {[%emt 0:00:00]} (25. Rf1 $11) 25... Kd8 $1 $15 {[%emt 0:00:00]} 26. c5 {[%emt 0:00:00]} ({Avoid the trap} 26. Bf7 $2 Rg7 27. Be6 Bxc4 $19) (26. Be2 $17 {was necessary.}) 26... Bb7 $19 {[%emt 0:00:00]} ({Not} 26... bxc5 27. O-O-O) 27. Nf4 {[%emt 0:00:00]} (27. Ne3 $142) 27... bxc5 {[%emt 0:00:00]} 28. O-O-O {[%emt 0:00:00]} Ke7 {[%emt 0:11:00]} 29. Rhf1 {[%emt 0:03:30]} Nf6 {[%emt 0:00:30]} 30. d5 {[%emt 0:00:30]} (30. Be2 $142) 30... Nxh5 {[%emt 0:00:00]} 31. Nxh5 {[%emt 0:00:00]} Rcf8 {[%emt 0:01:00]} 32. Nf4 {[%emt 0:01:00]} Rf6 {[%emt 0:00:00]} 33. c4 $2 {[%emt 0:00:30] [#]} (33. Rg1 Rg4 34. Nh5 Rxg1 35. Rxg1) 33... Kd6 {[%emt 0:00:00]} 34. Ne6 {[%emt 0:00:00]} Rg4 {[%emt 0:00:00] ...Ba6 is the strong threat.} 35. Nf4 {[%emt 0:00:00]} h6 {[%emt 0:00:00]} 36. Rg1 $2 {[%emt 0:00:00]} (36. Kd2) 36... Rxg1 $2 {[%emt 0:00:00]} (36... Rxf4 37. Kd2 Ba6) 37. Rxg1 {[%emt 0:00:00]} Ba6 $4 {[%emt 0:00:00][%mdl 8192]} (37... e3 $19 {avoids the disaster. White must now prevent ...Ke5.} 38. Rg7 Ke5) 38. Rg7 $4 {[%emt 0:00:00][%mdl 8192]} (38. Nh5 $18 Ke5 39. Nxf6 Kxf6 40. d6) 38... Ke5 {[%emt 0:00:00]} 39. Nh5 {[%emt 0:00:00]} Rb6 {[%emt 0:00:00] Weighted Error Value: White=0.70/Black=0.69} 0-1

[Event "13th Chennai Open 2022"]
[Site "Chennai"]
[Date "2022.06.21"]
[Round "4.3"]
[White "Ajay Karthikeyan"]
[Black "Murali Krishnan B T"]
[Result "1/2-1/2"]
[ECO "C10"]
[WhiteElo "2436"]
[BlackElo "2208"]
[Annotator "TA"]
[PlyCount "71"]
[EventDate "2022.06.19"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 20,71,34,40,44,30,36,34,36,19,24,28,28,32,31,23,30,17,18,21,30,24,50,51,66,56,89,59,70,42,49,39,29,3,114,21,68,71,78,79,74,-215,-201,-208,-193,-185,-186,-188,0,0,0,-167,0,0]} 1. e4 {[%emt 0:00:07]} e6 {[%emt 0:00:42]} 2. d4 {[%emt 0:00:05]} d5 {[%emt 0:00:04]} 3. Nc3 {[%emt 0:00:04]} dxe4 {[%emt 0:00:12]} 4. Nxe4 {[%emt 0:00:05]} Bd7 {[%emt 0:00:04]} 5. Nf3 {[%emt 0:00:56]} Bc6 {[%emt 0:00:08]} 6. Bd3 {[%emt 0:00:03]} Nd7 {[%emt 0:00:08]} 7. c3 {[%emt 0:00:04]} Be7 {[%emt 0:01:51]} 8. O-O {[%emt 0:01:15]} Ngf6 {[%emt 0:00:04]} 9. Nxf6+ {[%emt 0:00:05]} Bxf6 {[%emt 0:00:57]} 10. Re1 {[%emt 0:02:58]} O-O {[%emt 0:01:06]} 11. Bf4 {[%emt 0:00:56]} g6 {[%emt 0:08:34] C10: French with 3 Nc3: Unusual Black 3rd moves and 3...dxe4.} 12. Qe2 {[%emt 0:10:46]} Bxf3 {[%emt 0:05:28]} 13. Qxf3 {[%emt 0:00:27]} c6 {[%emt 0:00:05] [#] White is slightly better.} 14. Bc4 $146 {[%emt 0:17:02]} ({Predecessor:} 14. Rad1 Re8 15. Bc2 Qb6 16. Re2 Bg7 17. Rde1 a5 18. Kh1 Qb5 19. a4 Qd5 {½-½ (19) Ferrer Roig,J (2130)-Tscharotschkin,M (2290) Benidorm 2007}) 14... Bg5 {[%emt 0:03:06]} 15. Rad1 {[%emt 0:11:42]} Qf6 {[%emt 0:09:49]} 16. Bxg5 {[%emt 0:00:49]} Qxg5 {[%emt 0:00:06]} 17. g3 {[%emt 0:00:43]} Rad8 {[%emt 0:02:29]} 18. h4 {[%emt 0:01:03]} Qf5 {[%emt 0:03:57]} 19. Qe3 {[%emt 0:09:40]} Nf6 {[%emt 0:07:51]} 20. Kg2 {[%emt 0:08:15]} Kg7 {[%emt 0:01:18]} 21. Qc1 {[%emt 0:03:09]} Nd7 {[%emt 0:03:25] Against Re5} 22. Rd3 {[%emt 0:06:42]} c5 {[%emt 0:13:54]} 23. Rf3 {[%emt 0:04:10]} Qh5 {[%emt 0:00:38]} 24. Qf4 {[%emt 0:09:25]} cxd4 $1 {[%emt 0:08:27]} 25. Qxd4+ {[%emt 0:00:33]} Kg8 {[%emt 0:00:23]} 26. Qf4 {[%emt 0:02:32] And now b4 would win.} Qc5 {[%emt 0:06:46] [#]} (26... Qf5 $1 $11 {remains equal.}) 27. Bb3 {[%emt 0:01:13]} (27. b4 $1 $16 {[%cal Rb4c5]} Qc6 28. h5) 27... Kg7 {[%emt 0:09:04]} (27... a6 $11) 28. h5 $14 {[%emt 0:00:32]} g5 {[%emt 0:02:30] [#]} 29. Qe4 {[%emt 0:05:06] Black must now prevent Bc2. White is more active.} h6 {[%emt 0:03:28]} (29... Qc6 $2 30. h6+ Kh8 31. Qg4 $18) 30. Rxf7+ $2 {[%emt 0:04:18][%mdl 8192]} Rxf7 $19 {[%emt 0:00:28]} 31. Qg6+ {[%emt 0:00:02]} Kf8 {[%emt 0:01:24]} 32. Qxh6+ {[%emt 0:00:08]} Kg8 {[%emt 0:00:40]} 33. Qg6+ {[%emt 0:01:25]} Kf8 {[%emt 0:00:05]} 34. Qh6+ {[%emt 0:00:28]} Kg8 {[%emt 0:00:08]} 35. Qg6+ {[%emt 0:00:38]} Kf8 $2 {[%emt 0:00:07]} ({Black should play} 35... Rg7 $19 36. Qxe6+ Kh8) 36. Qh6+ {[%emt 0:00:25] Weighted Error Value: White=0.28 (precise) /Black=0.28 (precise)} 1/2-1/2

[Event "13th Chennai Open 2022"]
[Site "Chennai"]
[Date "2022.06.21"]
[Round "4.4"]
[White "Luong Phuong Hanh"]
[Black "Nitin, S.."]
[Result "0-1"]
[ECO "A04"]
[WhiteElo "2169"]
[BlackElo "2399"]
[Annotator "TA"]
[PlyCount "106"]
[EventDate "2022.06.19"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 15,106,0,0,-12,10,-30,9,-29,-22,-39,0,0,0,0,0,0,0,-17,20,0,70,56,126,130,134,143,124,52,33,-29,0,-80,-81,-61,-47,-266,-265,-302,-303,-292,-269,-281,-268,-264,-270,-587,-602,-575,-595,-577,-597,-633,-625,-594,-600,-681,-659,-707,-668,-1066,-763,-1147,-1144,-1120,-1101,-1077,-1083,-1702,-1702,-3593,-3193,-2842,-2832,-2864,-2036,-2368,-1837,-2507,-2486,-2151,-827,-29963,-6885,-29965,-29960,-29966,-29965,-29969,-29961,-29977,-29978,-29973,-29964]} 1. d4 {[%emt 0:00:05]} g6 {[%emt 0:00:33]} 2. Nf3 {[%emt 0:00:10]} Bg7 {[%emt 0:00:12]} 3. g3 {[%emt 0:00:06]} c5 {[%emt 0:00:47]} 4. Bg2 {[%emt 0:00:26]} cxd4 {[%emt 0:00:58]} 5. Nxd4 {[%emt 0:00:08]} Nc6 {[%emt 0:00:17]} 6. Nb3 {[%emt 0:00:31]} Nf6 {[%emt 0:01:33]} 7. Nc3 {[%emt 0:00:32]} O-O {[%emt 0:00:59]} 8. O-O {[%emt 0:00:09]} d6 {[%emt 0:02:41]} 9. Bf4 {[%emt 0:03:32] A04: Unusual lines after 1 Nf3 and King's Indian Attack.} h6 {[%emt 0:05:36]} 10. h3 {[%emt 0:06:24] [#]} a5 $146 {[%emt 0:04:09][%cal Ba7a5,Ba5a4,Ba4a3][%mdl 32]} ({Predecessor:} 10... Kh7 11. Qd2 Be6 12. Kh2 Rc8 13. Rab1 a6 14. Rfd1 b5 15. Ne4 Nh5 16. Be3 Qc7 {0-1 (32) Zhelesny,S (2266)-Taimanov,M (2425) Saint Vincent 2002}) 11. Be3 {[%emt 0:05:03] The position is equal.} a4 {[%emt 0:10:25]} 12. Nd4 {[%emt 0:01:19]} a3 {[%emt 0:03:34]} 13. b3 {[%emt 0:03:57]} ({Don't go for} 13. Bxc6 $2 bxc6 14. b3 (14. Nxc6 $2 Qc7 $19) 14... Bxh3 $19) 13... Nxd4 {[%emt 0:20:01]} 14. Bxd4 {[%emt 0:00:24]} ({Reject} 14. Qxd4 Ng4 $1 15. Qd2 Nxe3 16. Qxe3 Qa5 $17) 14... e5 {[%emt 0:00:16]} 15. Be3 {[%emt 0:00:11]} Be6 {[%emt 0:00:06]} 16. Qd2 {[%emt 0:08:14]} Qc8 {[%emt 0:13:03]} 17. Kh2 {[%emt 0:09:58]} Kh7 {[%emt 0:02:05]} (17... d5 $11 18. Nxd5 Nxd5 19. Bxd5 Bxd5 20. Qxd5 Qxc2) 18. Na4 {[%emt 0:03:17]} d5 {[%emt 0:02:03]} (18... Rxa4 $1 $14 19. bxa4 d5) 19. Nb6 $1 $16 {[%emt 0:01:03][%csl LRa8,LRc8,LRd5]} Qd8 {[%emt 0:00:53] [#] Threatens to win with ...Ra6.} 20. Bc5 $1 {[%emt 0:00:47]} Rb8 {[%emt 0:07:43][%cal Ba8b8,Bb8c8,Bc8c2,Bc2e2][%mdl 32]} 21. Bxf8 {[%emt 0:06:42]} (21. Rad1 $16) 21... Bxf8 $14 {[%emt 0:00:48] [#]} 22. Na4 {[%emt 0:09:21]} (22. Nxd5 $1 $14 Bxd5 23. Rfd1) 22... Qc7 {[%emt 0:05:37] ...b5 is the strong threat.} (22... b5 $5 23. Nc3 Qa5 $11) 23. Qc3 {[%emt 0:09:35]} (23. e4 $1 $11) 23... Qxc3 $17 {[%emt 0:01:09] Black is more active.} 24. Nxc3 {[%emt 0:00:04]} Rc8 {[%emt 0:00:06]} 25. Nd1 {[%emt 0:10:14] Loses the game.} ({White must play} 25. Nb5 $15) 25... Rxc2 $19 {[%emt 0:00:19]} 26. Ne3 {[%emt 0:00:50]} Rxe2 {[%emt 0:00:51]} 27. Kg1 {[%emt 0:00:46]} e4 {[%emt 0:05:39]} 28. Rfe1 {[%emt 0:02:56]} Rb2 {[%emt 0:12:07]} 29. Reb1 {[%emt 0:00:40]} d4 {[%emt 0:00:00]} 30. Nd1 {[%emt 0:04:53]} (30. Nc4 Bxc4 31. bxc4) 30... Rd2 {[%emt 0:00:00]} 31. Rc1 {[%emt 0:00:26]} b6 {[%emt 0:00:00]} 32. Rc6 {[%emt 0:00:18]} Bc5 {[%emt 0:00:00]} 33. b4 {[%emt 0:00:23]} Bxb4 {[%emt 0:00:00]} 34. Rxb6 {[%emt 0:00:07]} Bf8 {[%emt 0:00:00]} 35. Bf1 {[%emt 0:01:20]} e3 {[%emt 0:00:00] And now ...e2 would win.} 36. fxe3 {[%emt 0:00:42]} dxe3 {[%emt 0:00:00]} 37. Nc3 {[%emt 0:01:33]} e2 {[%emt 0:00:00] White must now prevent ...Bc5+.} 38. Rxe6 {[%emt 0:00:54]} Bc5+ {[%emt 0:01:00]} 39. Kh1 {[%emt 0:00:05]} exf1=Q+ {[%emt 0:04:30]} 40. Rxf1 {[%emt 0:00:07]} fxe6 {[%emt 0:00:30]} 41. Rxf6 {[%emt 0:00:09][%mdl 4096] Endgame KRB-KRN} Bd4 {[%emt 0:00:00]} 42. Rf3 {[%emt 0:00:20]} Bxc3 {[%emt 0:00:00]} 43. Rxc3 {[%emt 0:00:04]} Rxa2 {[%emt 0:00:00] KR-KR} 44. Rc7+ {[%emt 0:00:15]} Kg8 {[%emt 0:00:00] ( -> ...Rb2)} 45. Ra7 {[%emt 0:00:08]} Kf8 {[%emt 0:00:00]} 46. Kg1 {[%emt 0:00:11]} h5 {[%emt 0:00:00]} 47. Kf1 {[%emt 0:00:02]} Ke8 {[%emt 0:00:03]} (47... Ra1+ $142 48. Kg2 a2) 48. h4 {[%emt 0:00:06]} Kd8 {[%emt 0:01:35]} (48... Ra1+ $142 49. Kg2 a2 50. Ra8+ Kd7 51. Ra6 e5 52. Ra4 e4 53. Ra7+ Kc6 54. Ra6+ Kb5 55. Ra8 e3 56. Kf3 Rf1+ 57. Kxe3 a1=Q 58. Rxa1 Rxa1 59. Kf3 Ra3+ 60. Kf4 Kc6 61. Ke5 Rxg3 62. Kf4 Rg4+ 63. Kf3 Rxh4 64. Ke3 g5 65. Ke2 Rf4 66. Kd2 h4 67. Ke3 h3 68. Ke2 h2 69. Kd3 h1=Q 70. Kd2 Rf3 71. Ke2 Qg2+ 72. Ke1 Rf1#) 49. Kg1 {[%emt 0:00:03]} Kc8 {[%emt 0:00:16] Black mates.} 50. Kf1 {[%emt 0:00:07]} Kb8 {[%emt 0:00:35]} 51. Ra6 {[%emt 0:00:11]} Kb7 {[%emt 0:00:07]} 52. Rxe6 {[%emt 0:00:28]} Rb2 {[%emt 0:00:15]} 53. Re7+ {[%emt 0:00:10]} Kc6 {[%emt 0:00:29] Weighted Error Value: White=1.17/Black=0.39} 0-1

[Event "13th Chennai Open 2022"]
[Site "Chennai"]
[Date "2022.06.21"]
[Round "4.5"]
[White "Srihari L R"]
[Black "Tiwari, Arjun"]
[Result "1-0"]
[ECO "E63"]
[WhiteElo "2404"]
[BlackElo "2163"]
[Annotator "TA"]
[PlyCount "73"]
[EventDate "2022.06.19"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 16,73,37,38,43,31,42,32,41,34,56,51,53,54,56,49,59,53,59,42,56,69,91,92,193,189,229,222,225,218,306,307,296,284,285,277,398,388,541,557,554,535,549,526,523,527,652,637,625,625,1460,1637,1548,1545,1545,1475,1465,1467,842,706]} 1. d4 {[%emt 0:00:20]} Nf6 {[%emt 0:00:11]} 2. c4 {[%emt 0:00:10]} g6 {[%emt 0:00:06]} 3. g3 {[%emt 0:00:08]} Bg7 {[%emt 0:00:06]} 4. Bg2 {[%emt 0:00:07]} O-O {[%emt 0:00:06]} 5. Nc3 {[%emt 0:00:06]} d6 {[%emt 0:00:06]} 6. Nf3 {[%emt 0:00:08]} Nc6 {[%emt 0:00:16]} 7. O-O {[%emt 0:00:09]} a6 {[%emt 0:00:07] 7...e5 gains popularity.} 8. b3 {[%emt 0:00:08]} e5 {[%emt 0:00:31]} 9. dxe5 {[%emt 0:07:33]} dxe5 {[%emt 0:06:35] E63: King's Indian: Fianchetto: Panno Variation with 7...a6.} 10. Ba3 {[%emt 0:11:50]} Re8 {[%emt 0:00:31]} 11. Qxd8 {[%emt 0:00:23]} Nxd8 {[%emt 0:00:21] White is slightly better.} 12. Rad1 {[%emt 0:00:21][%cal Of3e5] [#]} Bg4 $146 {[%emt 0:04:19]} ({Predecessor:} 12... e4 13. Nd4 b6 14. e3 Bb7 15. Rd2 c5 16. Nde2 Bf8 17. Nf4 Ne6 18. Nfd5 Nxd5 19. Nxd5 Bxd5 20. Rxd5 {½-½ (35) Iskusnyh,S (2473)-Anton Guijarro,D (2673) Chess.com INT 2021}) 13. Nd2 {[%emt 0:08:45]} h5 {[%emt 0:02:49]} 14. h3 {[%emt 0:03:38]} Bf5 {[%emt 0:05:05]} 15. Nd5 {[%emt 0:02:21]} Nxd5 {[%emt 0:02:24]} 16. cxd5 {[%emt 0:00:35]} e4 {[%emt 0:05:45]} 17. Rc1 {[%emt 0:13:59]} Rc8 {[%emt 0:05:55]} 18. e3 {[%emt 0:01:01]} b5 {[%emt 0:19:07] White leaves nothing to chance now.} 19. Bb4 {[%emt 0:18:50][%cal Og3g4]} c6 {[%emt 0:13:59] [#]} (19... Nb7 $16) 20. g4 $1 $18 {[%emt 0:00:51]} hxg4 {[%emt 0:15:09]} 21. hxg4 {[%emt 0:00:14][%cal Bh3g4,Bg4g5,Bg5f6][%mdl 32]} Bd7 {[%emt 0:00:49]} 22. Nxe4 {[%emt 0:00:37] Hoping for Nd6.} a5 {[%emt 0:00:29]} (22... Nb7 $142 23. Nd6 Nxd6) 23. Bxa5 {[%emt 0:02:34]} Nb7 {[%emt 0:01:38] Inhibits Nd6.} 24. dxc6 {[%emt 0:00:29]} Bxc6 {[%emt 0:06:02]} 25. Bb4 {[%emt 0:00:09][%cal Oe4f6] And now Nf6+! would win.} Bd7 {[%emt 0:01:33]} (25... Bxe4 {was worth a try.} 26. Rxc8 Rxc8) 26. g5 {[%emt 0:01:36]} Bb2 {[%emt 0:03:15]} 27. Nf6+ {[%emt 0:01:13] White is clearly winning.} Bxf6 {[%emt 0:00:04]} 28. gxf6 {[%emt 0:00:10]} Nd8 {[%emt 0:00:40]} 29. Rxc8 {[%emt 0:00:10]} Bxc8 {[%emt 0:00:02]} 30. Rc1 {[%emt 0:00:33]} Bf5 {[%emt 0:01:29]} 31. a4 {[%emt 0:01:17]} bxa4 {[%emt 0:00:07]} 32. bxa4 {[%emt 0:00:04][%cal Bb3a4,Ba4a5,Ba5a6][%mdl 32]} Be4 {[%emt 0:01:02]} 33. Rc8 {[%emt 0:00:07] Be7 is the strong threat.} Bf5 {[%emt 0:03:09]} 34. Rb8 {[%emt 0:00:07] Threatens to win with a5.} Bd7 {[%emt 0:00:02]} 35. a5 {[%emt 0:00:09] aiming for a6.} Nc6 {[%emt 0:00:09]} 36. Rxe8+ {[%emt 0:00:05]} Bxe8 {[%emt 0:00:05] [#]} 37. a6 $1 {[%emt 0:00:04] Weighted Error Value: White=0.02 (flawless) /Black=0.38} 1-0

[Event "13th Chennai Open 2022"]
[Site "Chennai"]
[Date "2022.06.21"]
[Round "4.6"]
[White "Srijit Paul"]
[Black "Nguyen, Thanh Thuy Tien"]
[Result "1-0"]
[ECO "B92"]
[WhiteElo "2399"]
[BlackElo "1996"]
[Annotator "TA"]
[PlyCount "49"]
[EventDate "2022.06.19"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 16,49,12,13,20,27,18,0,23,7,14,7,110,113,95,99,128,131,135,133,292,285,521,425,591,583,669,670,1174,1143,29990,29991,29995,29996,29996,29997]} 1. e4 {[%emt 1:31:00]} c5 {[%emt 0:00:07]} 2. Nf3 {[%emt 1:31:21]} d6 {[%emt 0:00:08]} 3. d4 {[%emt 0:00:18]} cxd4 {[%emt 0:00:09]} 4. Nxd4 {[%emt 0:00:05]} Nf6 {[%emt 0:00:12]} 5. Nc3 {[%emt 0:00:06]} a6 {[%emt 0:00:21]} 6. Be2 {[%emt 0:00:37]} e5 {[%emt 0:00:19]} 7. Nf3 {[%emt 0:02:41]} h6 {[%emt 0:00:16]} 8. O-O {[%emt 0:00:13]} Be6 {[%emt 0:00:54]} 9. Re1 {[%emt 0:00:38]} Nbd7 {[%emt 0:01:25] B92: Sicilian Najdorf: 6 Be2.} 10. a4 {[%emt 0:00:14][%cal Ba2a4,Ba4a5][%mdl 32]} Rc8 {[%emt 0:01:37][%cal Oc8c3]} 11. Bf1 {[%emt 0:07:00] [#]} Nb6 $146 {[%emt 0:04:15] The position is equal.} ({Predecessor:} 11... Be7 12. g3 O-O 13. Bg2 Nb6 14. h3 Qc7 15. Nh4 Rfd8 16. a5 Nc4 17. Nd5 Nxd5 18. exd5 {½-½ (29) Van der Wiel,J (2535)-Van Gaalen,B (2375) Netherlands 1996}) 12. Qd3 {[%emt 1:24:20]} (12. a5 $5 {[%cal Ra5b6]} Nbd7 13. Nd5 $11) 12... Qc7 {[%emt 0:03:16]} 13. a5 {[%emt 0:03:26]} Nc4 {[%emt 0:06:41]} (13... Nbd7 $1 $11) 14. Nd5 $16 {[%emt 0:00:10]} Bxd5 {[%emt 0:01:02]} 15. exd5 {[%emt 0:00:05]} e4 {[%emt 0:18:23]} 16. Nd2 $36 {[%emt 0:11:20][%mdl 2048] White has strong initiative.} Nxd2 {[%emt 0:05:06]} 17. Bxd2 {[%emt 0:00:41][%cal Bc1d2,Bd2c3,Bc3f6][%mdl 32]} Qxc2 $2 {[%emt 0:10:52]} (17... Be7 $16 18. Qe3 O-O) 18. Qh3 $18 {[%emt 0:08:02]} ({Much less strong is} 18. Rac1 $6 Qxd3 19. Rxc8+ Kd7 $18) 18... Rd8 $2 {[%emt 0:07:01] [#]} (18... Be7 {was worth a try.} 19. Rec1 Qxd2 20. Qxc8+ Bd8 21. Qxb7 O-O) 19. Bc3 $1 {[%emt 0:01:40]} Be7 {[%emt 0:02:24]} 20. Bc4 {[%emt 0:00:28] Inhibits Qb3.} e3 {[%emt 0:07:02]} 21. Rxe3 {[%emt 0:07:16]} Qg6 {[%emt 0:05:38]} 22. Rae1 {[%emt 0:00:06]} Rd7 {[%emt 0:00:52] [#]} 23. Rxe7+ $1 {[%emt 0:00:15][%mdl 512] White mates.} Kd8 {[%emt 0:00:46]} (23... Kf8 24. Qxd7) 24. Bxf6 {[%emt 0:00:11][%csl Ge7][%cal Rh3d7]} Rxe7 {[%emt 0:00:24]} 25. Rxe7 {[%emt 0:00:26] White took control after the opening.  Weighted Error Value: White=0.02 (flawless) /Black=1.04} 1-0

[Event "13th Chennai Open 2022"]
[Site "Chennai"]
[Date "2022.06.21"]
[Round "4.7"]
[White "Ravichandran, Siddharth"]
[Black "Pawar, Harshit"]
[Result "1/2-1/2"]
[ECO "C00"]
[WhiteElo "2352"]
[BlackElo "1961"]
[Annotator "TA"]
[PlyCount "66"]
[EventDate "2022.06.19"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 16,66,0,0,0,-5,11,-7,14,0,4,20,14,0,0,0,0,0,0,0,20,25,61,0,0,0,0,0,26,26,39,24,27,17,20,28,40,37,53,53,54,14,14,14,14,21,29,2,2,2,2,-3,5]} 1. e4 {[%emt 0:00:10]} e6 {[%emt 0:00:06]} 2. d3 {[%emt 0:00:40]} d5 {[%emt 0:00:04]} 3. Nd2 {[%emt 0:00:04]} c5 {[%emt 0:00:03]} 4. Ngf3 {[%emt 0:00:10]} Nc6 {[%emt 0:00:05]} 5. g3 {[%emt 0:00:08]} Nf6 {[%emt 0:00:16]} 6. Bg2 {[%emt 0:00:05]} Be7 {[%emt 0:00:13]} 7. O-O {[%emt 0:00:10]} b6 {[%emt 0:00:34]} 8. Re1 {[%emt 0:01:12]} Bb7 {[%emt 0:00:05]} 9. c3 {[%emt 0:01:14]} a6 {[%emt 0:06:12] C00: French: Unusual White 2nd moves.} 10. a3 {[%emt 0:06:46]} b5 {[%emt 0:02:40]} 11. Qe2 {[%emt 0:34:21]} Qc7 {[%emt 0:06:17] [#]} 12. exd5 $146 {[%emt 0:09:48]} ({Predecessor:} 12. e5 Nd7 13. h4 h6 14. Nf1 O-O-O 15. h5 Rdg8 16. b4 c4 17. d4 Nb6 18. Bd2 {0-1 (56) Lebedukhin,A (2081)-Seryogin,P (2178) Gagarin 2009}) 12... Nxd5 {[%emt 0:03:39]} 13. Ne4 {[%emt 0:02:06]} O-O {[%emt 0:04:01]} 14. b4 {[%emt 0:09:31]} cxb4 {[%emt 0:09:31]} 15. axb4 {[%emt 0:00:05]} a5 {[%emt 0:02:39]} 16. bxa5 {[%emt 0:00:20]} Nxa5 {[%emt 0:00:51]} 17. Bb2 {[%emt 0:01:18]} Nf6 {[%emt 0:02:53]} 18. Nd4 {[%emt 0:03:33]} Qb6 {[%emt 0:04:05]} 19. Rab1 {[%emt 0:06:00] White is more active.} (19. Ba3 $14 Nxe4 20. Bxe4 (20. Bxe7 Nxc3 21. Qe5 Bxg2 $14) 20... Bxa3 21. Rxa3) 19... Nxe4 $1 $11 {[%emt 0:07:29]} 20. Bxe4 {[%emt 0:00:11]} Bxe4 {[%emt 0:02:17]} 21. dxe4 {[%emt 0:00:51]} Rab8 {[%emt 0:04:22]} 22. Bc1 {[%emt 0:02:53][%cal Rb1b5]} Qc5 {[%emt 0:10:32]} 23. Nxb5 {[%emt 0:01:40] Hoping for Ba3.} Nc4 {[%emt 0:00:12] Inhibits Ba3.} 24. Rb4 {[%emt 0:04:12]} Rfc8 {[%emt 0:02:04] [#]} 25. Na7 {[%emt 0:01:37]} Qxa7 {[%emt 0:12:29]} (25... Rxb4 26. Nxc8) 26. Rxc4 {[%emt 0:00:08]} Bc5 {[%emt 0:00:25][%cal Oc5f2] Strongly threatening ...Bxf2+!} 27. Be3 {[%emt 0:01:47]} Bxe3 {[%emt 0:00:10]} 28. Rxc8+ {[%emt 0:01:11]} Rxc8 {[%emt 0:00:02]} 29. Qxe3 $14 {[%emt 0:00:06] KQR-KQR} Qa5 {[%emt 0:00:20]} 30. Rd1 {[%emt 0:03:49]} h6 {[%emt 0:00:34]} 31. Rc1 {[%emt 0:06:49]} Rc4 {[%emt 0:00:10] The position is equal.} 32. Qd3 {[%emt 0:00:09]} Qc7 {[%emt 0:00:11]} 33. Qe3 {[%emt 0:02:31]} Qc6 {[%emt 0:00:06] Weighted Error Value: White=0.09 (flawless) /Black=0.08 (flawless)} 1/2-1/2

[Event "13th Chennai Open 2022"]
[Site "Chennai"]
[Date "2022.06.21"]
[Round "4.9"]
[White "Vijay, Anand M."]
[Black "Baghdasaryan, Vahe"]
[Result "0-1"]
[ECO "B30"]
[WhiteElo "1735"]
[BlackElo "2267"]
[Annotator "TA"]
[PlyCount "78"]
[EventDate "2022.06.19"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 10,78,16,20,14,14,27,27,30,19,24,21,67,61,77,80,88,94,75,21,78,0,-14,-7,0,0,0,0,-7,-89,-85,-88,-96,-91,-87,-65,-93,-77,-34,-40,-42,-40,0,-272,-281,-263,-282,-292,-302,-290,-279,-303,-300,-447,-435,-400,-402,-434,-416,-504,-496,-589,-579,-556,-491,-570,-566,-749,-733,-728,-690]} 1. e4 {[%emt 0:00:16]} c5 {[%emt 0:00:12]} 2. Nc3 {[%emt 0:00:08]} Nc6 {[%emt 0:00:20]} 3. Bb5 {[%emt 0:00:09]} Nd4 {[%emt 0:01:15]} 4. Nf3 {[%emt 0:00:08]} e6 {[%emt 0:00:36]} 5. O-O {[%emt 0:00:21]} a6 {[%emt 0:01:21]} 6. Bd3 {[%emt 0:00:20]} Nc6 {[%emt 0:00:06] B30: Sicilian: 2...Nc6 3 Bb5, lines without ...g6.} 7. b3 {[%emt 0:02:39] 7.e5 is more advanced technology.} g5 {[%emt 0:00:08]} 8. Bb2 {[%emt 1:30:29][%cal Oc3d5]} Bg7 {[%emt 0:00:10] White has an edge.} 9. Na4 {[%emt 0:07:01][%csl LRc5,LRg7]} Bxb2 {[%emt 0:03:01]} 10. Nxb2 {[%emt 0:00:06]} g4 {[%emt 0:05:50]} (10... h5 $11) 11. Ne1 $14 {[%emt 0:00:28] [#]} Nf6 $146 {[%emt 0:01:15]} ({Predecessor:} 11... h5 12. c3 Nge7 13. f4 d5 14. Qe2 Qc7 15. Bc2 b6 16. exd5 exd5 17. Nbd3 Rh6 {1-0 (35) Martinez Duany,L (2528)-Nagy,G (2474) Famalicao 2018}) 12. c3 {[%emt 0:05:38]} d5 {[%emt 0:21:48]} 13. Qe2 {[%emt 0:00:00]} dxe4 {[%emt 0:07:19]} 14. Bc2 {[%emt 0:01:00]} ({White should play} 14. Bxe4 $16 Nxe4 15. Qxe4) 14... e5 {[%emt 0:05:51]} (14... h5 $11) 15. d3 {[%emt 0:00:00]} (15. Na4 $16) 15... Nd5 $11 {[%emt 0:00:28]} 16. Nd1 {[%emt 0:00:00]} exd3 {[%emt 0:18:21]} 17. Nxd3 {[%emt 0:00:00]} Qe7 $36 {[%emt 0:00:08][%mdl 2048] next ...e4 is good for Black. White is under pressure.} 18. Re1 {[%emt 0:00:00][%cal Rd3e5]} f6 $1 {[%emt 0:00:10]} ({Don't do} 18... Bf5 19. Nxe5 (19. c4 Bxd3 20. Qxd3 Nf4 $17) 19... Bxc2 20. Nxc6 bxc6 21. c4 Qxe2 22. Rxe2+ Kd7 23. Rxc2 $16) 19. Qd2 {[%emt 0:00:00]} (19. f4 $11 {remains equal.}) 19... Be6 $17 {[%emt 0:00:29]} 20. Ne3 {[%emt 0:00:00]} O-O-O $1 {[%emt 0:00:39][%cal Ba8d8,Bd8d5,Bd5d2][%mdl 32] White must now prevent ...Nf4.} 21. Nxd5 {[%emt 0:00:00]} Rxd5 {[%emt 0:01:28]} 22. Qe3 {[%emt 0:00:00][%cal Od3f4]} Rhd8 {[%emt 0:01:56]} 23. Nf4 {[%emt 0:00:00]} exf4 {[%emt 0:01:52]} 24. Qxe6+ {[%emt 0:00:00]} Qxe6 {[%emt 0:00:05]} 25. Rxe6 {[%emt 0:00:00]} f5 {[%emt 0:00:11]} 26. c4 $2 {[%emt 0:00:00][%mdl 8192] [#]} (26. Rf6 $11) 26... Rd2 $1 $19 {[%emt 0:00:04]} 27. Bxf5 {[%emt 0:00:00] [#] Rxc6+ is the strong threat.} Nd4 {[%emt 0:28:57][%csl LRe6,LRf5]} 28. Bxg4 {[%emt 0:00:00] And now Re2+ would win.} Nxe6 {[%emt 0:00:11]} 29. Bxe6+ {[%emt 0:00:00][%mdl 4096] Endgame KRR-KRB} Kc7 {[%emt 0:00:02] ( -> ...Rd1+)} 30. Bd5 {[%emt 0:00:00]} Re8 {[%emt 0:00:15][%cal Od2a2] Hoping for ...Rxa2!} 31. g3 {[%emt 0:00:00]} (31. a4 {was necessary.}) 31... Ree2 {[%emt 0:00:26][%csl LRa2,LRf2]} 32. Rf1 {[%emt 0:00:00]} fxg3 {[%emt 0:00:35]} 33. hxg3 {[%emt 0:00:00]} Rxa2 {[%emt 0:00:08]} 34. f4 {[%emt 0:00:00]} Re3 {[%emt 0:28:10] Black is clearly winning.} 35. Bf3 {[%emt 0:00:00]} Rxb3 {[%emt 0:01:09]} 36. f5 {[%emt 0:00:00]} Raa3 {[%emt 0:03:31]} 37. Bd5 {[%emt 0:00:00]} Rxg3+ {[%emt 0:00:13]} 38. Kf2 {[%emt 0:00:00]} Rg5 {[%emt 0:02:33]} 39. Ke2 {[%emt 0:00:00]} Rh5 {[%emt 0:00:12] Weighted Error Value: White=0.47/Black=0.08 (flawless)} 0-1

[Event "13th Chennai Open 2022"]
[Site "Chennai"]
[Date "2022.06.21"]
[Round "4.10"]
[White "Jubin Jimmy"]
[Black "Majumder Shrayan"]
[Result "1-0"]
[ECO "D31"]
[WhiteElo "2259"]
[BlackElo "1741"]
[Annotator "TA"]
[PlyCount "83"]
[EventDate "2022.06.19"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 9,83,22,19,25,28,20,23,23,30,37,25,27,42,11,35,21,18,-18,-22,-13,-17,-28,-10,-7,-8,6,-2,-52,-47,-45,-50,-60,-60,-61,-65,-61,-64,-62,-25,-27,-26,-40,-37,-29,-32,-19,-36,-76,-83,-76,0,-91,-18,-27,-22,-27,-37,-32,-16,-10,0,0,0,0,1751,1725,1521,1507,1179,1092,5073,5065,5065,5057,4133,1594]} 1. d4 {[%emt 0:00:07]} d5 {[%emt 0:00:15]} 2. c4 {[%emt 0:00:08]} e6 {[%emt 0:00:10]} 3. Nc3 {[%emt 0:00:09]} a6 {[%emt 0:00:11]} 4. cxd5 {[%emt 0:01:11]} exd5 {[%emt 0:00:08]} 5. Bf4 {[%emt 0:00:56]} Nf6 {[%emt 0:00:24]} 6. e3 {[%emt 0:00:11] D31: Queen's Gambit Declined: Semi-Slav without ...Nf6 (+ Marshall Gambit and Noteboom) and Exchange Variation lines without ...Nf6.} Bd6 {[%emt 0:00:46]} 7. Bg5 {[%emt 0:00:11]} c6 {[%emt 0:03:08]} 8. Bd3 {[%emt 0:00:32] White has an edge.} Be6 {[%emt 0:00:33] 8...Nbd7 is the modern continuation.} 9. Nge2 {[%emt 0:00:37]} Nbd7 {[%emt 0:01:03]} 10. Qc2 {[%emt 0:00:43]} Qc7 {[%emt 0:01:25] [#]} 11. h3 $146 {[%emt 0:00:36]} ({Predecessor:} 11. f3 O-O-O 12. O-O-O Kb8 13. Kb1 h6 14. Bh4 Rhe8 15. e4 dxe4 16. fxe4 g5 17. Bg3 Bxg3 18. Nxg3 {1-0 (42) Laurusas,T (2511)-Pantzar,M (2417) Chess.com INT 2020}) 11... h6 {[%emt 0:01:05]} (11... Nh5 $5 {[%cal Rh7h6]}) 12. Bh4 {[%emt 0:00:05]} Nh5 {[%emt 0:13:19][%cal Bf6h5,Bh5g7,Bg7f5][%mdl 32]} 13. Bf5 {[%emt 0:10:27]} Bxf5 {[%emt 0:09:51]} 14. Qxf5 {[%emt 0:00:07]} g6 {[%emt 0:03:56]} 15. Qf3 {[%emt 0:00:06]} Ng7 {[%emt 0:02:18]} 16. e4 {[%emt 0:06:01]} dxe4 {[%emt 0:02:36]} 17. Qxe4+ {[%emt 0:00:19]} Kf8 {[%emt 0:01:59]} 18. O-O {[%emt 0:04:07]} (18. g4 $11) 18... Nf5 $15 {[%emt 0:05:53] Threatens to win with ...Re8.} 19. Bg3 {[%emt 0:00:36]} Kg7 {[%emt 0:01:56]} 20. Qf3 {[%emt 0:03:58]} Nf6 {[%emt 0:02:20]} 21. Rad1 {[%emt 0:04:04]} Rad8 {[%emt 0:01:42]} 22. Rd3 {[%emt 0:05:17]} Rhe8 {[%emt 0:01:11]} 23. Rfd1 {[%emt 0:02:58][%cal Og3e5]} Qe7 {[%emt 0:16:01] Against Be5} 24. Be5 {[%emt 0:17:34]} Bxe5 {[%emt 0:09:45]} 25. dxe5 {[%emt 0:00:48]} Nd7 {[%emt 0:00:07][%cal Bf6d7,Bd7c5,Bc5e6][%mdl 32]} 26. Qf4 {[%emt 0:03:07] Qd2 is the strong threat.} Nc5 {[%emt 0:00:09]} 27. Rxd8 {[%emt 0:02:16]} Rxd8 {[%emt 0:00:30]} 28. g4 {[%emt 0:08:46]} Rxd1+ {[%emt 0:03:00]} 29. Nxd1 {[%emt 0:00:08] [#]} Qd8 {[%emt 0:00:05]} (29... Nh4 $1 $17) 30. Ne3 {[%emt 0:07:23] [#]} (30. gxf5 $11 {remains equal.} Qxd1+ 31. Kh2 Qxe2 32. fxg6) 30... Ne6 {[%emt 0:04:04]} ({Reject} 30... Nxe3 $6 31. Qxe3 Qd1+ 32. Kh2 $11) ({Black should try} 30... Nh4 $1 $17 31. Qb4 b6) 31. Nxf5+ $11 {[%emt 0:00:24]} gxf5 {[%emt 0:00:03][%mdl 4096] Endgame KQN-KQN} 32. Qe3 {[%emt 0:00:13]} fxg4 {[%emt 0:01:20]} 33. hxg4 {[%emt 0:00:02]} Qd1+ {[%emt 0:01:16]} 34. Kh2 {[%emt 0:00:32]} Qc2 {[%emt 0:04:44]} 35. Ng3 {[%emt 0:04:32]} Qxb2 {[%emt 0:01:54]} 36. Nf5+ {[%emt 0:01:31]} Kf8 $2 {[%emt 0:01:59][%mdl 8192]} (36... Kg8 $11) 37. Qxh6+ $18 {[%emt 0:00:31] White is clearly winning.} Ke8 {[%emt 0:00:07]} 38. Nd6+ {[%emt 0:00:08]} Kd7 {[%emt 0:00:17]} 39. Qf6 {[%emt 0:00:05]} Qxa2 {[%emt 0:01:14]} 40. Qxf7+ {[%emt 0:00:21]} Kd8 {[%emt 0:00:12]} 41. Nxb7+ {[%emt 0:00:25]} Kc8 {[%emt 0:00:05]} 42. Nc5 {[%emt 0:00:28] Weighted Error Value: White=0.11 (very precise) /Black=0.11 (very precise)} (42. Nd6+ $142 Kd8 43. Qa7) 1-0

[Event "13th Chennai Open 2022"]
[Site "Chennai"]
[Date "2022.06.21"]
[Round "4.11"]
[White "Prasannaa.s"]
[Black "Fedorov, Alexei"]
[Result "0-1"]
[ECO "B22"]
[WhiteElo "2164"]
[BlackElo "2529"]
[Annotator "TA"]
[PlyCount "104"]
[EventDate "2022.06.19"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 16,104,18,17,17,13,26,15,10,-9,-6,-5,0,-5,0,0,35,11,30,3,41,-12,-13,-20,-22,0,0,-27,-31,-21,0,-28,-7,-12,-7,-9,-12,-12,0,-70,-72,-62,-68,-92,-63,-89,-45,-85,-27,-92,-75,-85,-76,-56,-43,-92,-92,-92,-92,-92,-92,-112,-103,-106,-101,-111,-108,-112,-100,-804,-728,-693,-638,-577,-295,-29964,-29966,-29970,-554,-29977,-29978,-29978,-29979,-29979,-29978,-29981,-29978,-29979,-29980,-29980,-29981]} 1. e4 {[%emt 0:00:03]} c5 {[%emt 0:00:06]} 2. c3 {[%emt 0:00:05][%cal Bc2c3,Bc3d4,Bd4e5][%mdl 32]} Nf6 {[%emt 0:00:13]} 3. e5 {[%emt 0:00:05]} Nd5 {[%emt 0:00:05]} 4. d4 {[%emt 0:00:02]} cxd4 {[%emt 0:00:06]} 5. Nf3 {[%emt 0:00:08]} d6 {[%emt 0:02:04]} 6. cxd4 {[%emt 0:00:17]} Nc6 {[%emt 0:00:50]} 7. Bc4 {[%emt 0:00:04]} Nb6 {[%emt 0:01:01]} 8. Bb5 {[%emt 0:00:05]} Bd7 {[%emt 0:00:13]} 9. Nc3 {[%emt 0:01:06] The main line 9.Nc3 scores better than 9.exd6.} dxe5 {[%emt 0:01:43] B22: Sicilian: 2 c3.} 10. dxe5 {[%emt 0:04:41]} g6 {[%emt 0:00:12]} 11. O-O {[%emt 0:06:29]} Bg7 {[%emt 0:00:19] The position is equal.} 12. Bf4 {[%emt 0:00:22]} O-O {[%emt 0:00:30]} 13. Qe2 {[%emt 0:00:39]} a6 {[%emt 0:04:08]} 14. Bxc6 {[%emt 0:00:13]} Bxc6 {[%emt 0:00:05]} 15. Rfd1 {[%emt 0:01:02]} Qc7 {[%emt 0:05:20] [#]} 16. Nd4 $146 {[%emt 0:00:34]} ({Predecessor:} 16. Rac1 Rad8 17. Nd4 e6 18. Ne4 Bxe5 19. Nf6+ {1-0 (19) Froehlich,R-Muenz,H GER corr 1986}) 16... Rac8 {[%emt 0:22:23]} 17. Bg3 {[%emt 0:02:31]} Nd5 {[%emt 0:03:10]} (17... Ba4 $5 {[%cal Ra4d1]} 18. Rd3 Qc5 $14) 18. Nxc6 {[%emt 0:11:03]} (18. e6 $14 Nxc3 19. bxc3) 18... Nxc3 $11 {[%emt 0:02:18]} 19. Nxe7+ $1 {[%emt 0:00:15]} Qxe7 {[%emt 0:00:04]} 20. bxc3 {[%emt 0:00:09]} Rxc3 {[%emt 0:00:19]} 21. Rac1 {[%emt 0:00:44]} Rxc1 {[%emt 0:04:28]} 22. Rxc1 {[%emt 0:00:07]} h5 {[%emt 0:05:23]} 23. f4 {[%emt 0:01:59]} Bh6 {[%emt 0:01:58]} 24. Rf1 {[%emt 0:05:35]} Rc8 {[%emt 0:04:00]} 25. f5 {[%emt 0:24:33]} Qc5+ {[%emt 0:04:19]} 26. Bf2 {[%emt 0:00:12]} Qc2 {[%emt 0:01:32]} 27. Qf3 {[%emt 0:02:29]} ({White should try} 27. Qxc2 $1 $11 Rxc2 28. fxg6) 27... Qxf5 $15 {[%emt 0:00:24]} 28. Qxb7 {[%emt 0:00:09][%cal Of2c5]} Qe6 {[%emt 0:03:15]} 29. a4 {[%emt 0:06:47]} Rc2 {[%emt 0:11:07]} 30. a5 {[%emt 0:06:44]} Qc6 {[%emt 0:05:55]} 31. Qb8+ {[%emt 0:05:03]} Qc8 {[%emt 0:01:23]} ({Better is} 31... Bf8 $17) 32. Qb6 {[%emt 0:04:32]} (32. Qxc8+ $11 Rxc8 33. Bd4) 32... Bg7 {[%emt 0:03:50]} (32... Qa8 $6 33. e6 $11) 33. Re1 {[%emt 0:03:39]} Rc1 {[%emt 0:02:52] aiming for ...Qc3.} (33... Qa8 $6 34. e6 fxe6 35. Qxe6+ Kh7 36. h3 $11) 34. Qe3 {[%emt 0:02:06]} Rc6 {[%emt 0:01:43]} 35. Qg5 {[%emt 0:01:29]} (35. h3 $15 {feels stronger.}) 35... Re6 $17 36. Bd4 {[%emt 0:00:30]} Qc7 $40 {[%mdl 128] Black goes for the king.} 37. Bb6 {[%emt 0:00:30]} Qc3 {[%cal Rc3e1]} (37... Rxe5 $6 38. Bxc7 Rxg5 39. Re8+ Kh7 40. Ra8 $11) 38. Rc1 {[%emt 0:00:30]} Qb2 ({Much weaker is} 38... Qxe5 $6 39. Rc8+ Kh7 40. Qxe5 Bxe5 41. Rf8 $15 (41. Ra8 g5 $15)) 39. Qd8+ {[%emt 0:00:30]} Kh7 40. Rf1 {[%emt 0:00:30]} Rxe5 ({Don't play} 40... Bxe5 $6 41. Rxf7+ Bg7 42. Qd1 $11) 41. Qd3 {[%emt 0:00:30]} Re2 ({And not} 41... Rg5 42. Rf2 Qa1+ 43. Qf1 $15) 42. Bf2 $2 {[%emt 0:00:30][%mdl 8192] [#] This costs White the game.} (42. Qd5 $17) 42... Rxf2 $1 $19 {[%mdl 512]} 43. Rxf2 {[%emt 0:00:30][%mdl 4096] Endgame KQR-KQB} Bd4 {[%mdl 64] Pin} 44. Qf1 {[%emt 0:00:30]} h4 {( -> ...Qd2)} 45. g3 $2 {[%emt 0:00:30]} (45. Qe1 $19) 45... hxg3 46. hxg3 {[%emt 0:00:30]} Kh6 (46... Kg7 $142 47. Kg2 Bxf2 48. Kh3 Qd2 49. Kg2 Bd4+ 50. Kf3 Qc3+ 51. Kg2 Qxa5 52. Kh3 Qh5+ 53. Kg2 Qd5+ 54. Kh2 a5 55. Qh3 a4 56. g4 Qe5+ 57. Qg3 Qxg3+ 58. Kxg3 a3 59. Kh4 a2 60. Kh3 a1=Q 61. Kg2 g5 62. Kf3 Qe1 63. Kg2 Qf2+ 64. Kh3 Qf1+ 65. Kh2 Be5#) 47. Kg2 {[%emt 0:00:30]} Qxf2+ {Black mates.} 48. Qxf2 {[%emt 0:00:30]} Bxf2 49. Kxf2 {[%emt 0:00:30]} Kg5 50. Kf3 {[%emt 0:00:30]} Kf5 51. g4+ {[%emt 0:00:30]} Kg5 52. Kg3 {[%emt 0:00:30]} f6 {Weighted Error Value: White=0.60/Black=0.29 (precise)} 0-1

[Event "13th Chennai Open 2022"]
[Site "Chennai"]
[Date "2022.06.21"]
[Round "4.12"]
[White "Tran, Tuan Minh"]
[Black "Allahverdiyeva, Ayan"]
[Result "*"]
[ECO "D38"]
[WhiteElo "2533"]
[BlackElo "2120"]
[Annotator "TA"]
[PlyCount "57"]
[EventDate "2022.06.19"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 16,56,14,22,19,20,36,50,43,46,53,50,254,193,265,236,1143,757,754,670,662,647,656,651,641,525,912,917,908,908,891,891,1047,872,1636,1521,1477,1039,6419,1750,29984,29985,29999]} 1. d4 {[%emt 0:00:06]} Nf6 {[%emt 0:00:44]} 2. c4 {[%emt 0:00:07]} e6 {[%emt 0:00:02]} 3. Nf3 {[%emt 0:00:11]} d5 {[%emt 0:00:12]} 4. Nc3 {[%emt 0:00:05]} Bb4 {[%emt 0:00:06]} 5. cxd5 {[%emt 0:03:24]} exd5 {[%emt 0:00:04]} 6. Bg5 {[%emt 0:00:35]} Nbd7 {[%emt 0:03:57]} 7. e3 {[%emt 0:00:42]} c5 {[%emt 0:00:04]} 8. Bb5 {[%emt 1:29:20]} Qa5 {[%emt 0:14:15]} 9. O-O {[%emt 0:00:41]} Bxc3 {[%emt 0:00:57] D38: Queen's Gambit Declined: Ragozin Defence (4 Nf3 Bb4).} 10. Bxd7+ {[%emt 0:00:06]} Bxd7 {[%emt 0:15:12]} 11. Bxf6 {[%emt 0:07:49]} Bxb2 {[%emt 0:00:42] [#] White is slightly better.} 12. Bxg7 $146 {[%emt 0:02:52]} ({Predecessor:} 12. Rb1 Ba3 13. Bxg7 Rg8 14. Bf6 Qa6 15. Bh4 Bf5 16. Ne5 Be4 17. f3 Bxb1 18. Qxb1 {½-½ (53) Baryshpolets,A (2450)-Hammer,J (2636) Chotowa 2010}) 12... Rg8 {[%emt 0:05:24]} 13. Rb1 {[%emt 0:00:05] [#] aiming for Be5.} Bc3 $2 {[%emt 0:00:54]} (13... Rxg7 $14 14. Rxb2 Bb5) 14. Be5 $18 {[%emt 0:07:13]} Bb5 {[%emt 0:09:56]} (14... c4 $142 15. Qc2 (15. Rxb7 Qa6 $16) 15... Bb4) 15. Qb3 {[%emt 0:05:24]} Bxf1 {[%emt 0:02:40]} (15... Bb4 16. a3 (16. Qxd5 Bc6 $14) 16... Bxf1 17. axb4 Qxb4 18. Kxf1 (18. Qxb4 cxb4 19. Kxf1 a5 $11) 18... Qxb3 19. Rxb3 cxd4 20. Nxd4 (20. Rxb7 dxe3 21. Bd6 Rd8 $16) 20... b6) 16. Qxb7 {[%emt 0:01:54]} Qd8 {[%emt 0:13:33]} 17. Qc6+ {[%emt 0:04:12]} Kf8 {[%emt 0:00:09]} 18. Qxc5+ {[%emt 0:00:20]} Ke8 {[%emt 0:00:27] Threatens to win with ...Rc8.} 19. Qc6+ {[%emt 0:00:21]} ({Less strong is} 19. Kxf1 Rc8 20. Qxa7 Rg6 $16) 19... Kf8 {[%emt 0:00:06][%cal Og8g6]} 20. Kxf1 {[%emt 0:01:46] Hoping for Bd6+.} Rc8 {[%emt 0:03:58]} 21. Qh6+ {[%emt 0:00:12]} Ke8 {[%emt 0:00:35]} 22. Qxh7 {[%emt 0:00:14]} Rf8 {[%emt 0:06:35]} 23. Bg7 {[%emt 0:53:17]} Qc7 {[%emt 0:21:28]} 24. g3 {[%emt 0:00:44]} a5 {[%emt 0:00:31]} 25. Bxf8 {[%emt 0:00:18]} Kxf8 {[%emt 0:00:01]} 26. Kg2 {[%emt 0:00:16]} a4 {[%emt 0:00:19]} 27. Rb5 {[%emt 0:00:07]} Qd7 {[%emt 0:00:51] [#]} 28. Ne5 $1 {[%emt 0:00:12]} Qxb5 {[%emt 0:00:17]} (28... Qc7 29. Qh8+) 29. Qxf7# {[%emt 0:00:06] Black got outplayed after the opening.  Weighted Error Value: White=0.23 (precise) /Black=0.59} *

[Event "13th Chennai Open 2022"]
[Site "Chennai"]
[Date "2022.06.21"]
[Round "4.13"]
[White "Deepan Chakkravarthy J."]
[Black "Ghosh Samriddhaa"]
[Result "1-0"]
[ECO "E04"]
[WhiteElo "2478"]
[BlackElo "1844"]
[Annotator "TA"]
[PlyCount "191"]
[EventDate "2022.06.19"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 20,191,25,22,27,22,14,10,12,0,15,19,17,22,24,18,33,12,18,8,11,5,10,8,7,10,16,8,17,7,9,0,2,4,8,0,0,0,0,0,8,8,7,5,16,11,17,14,16,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-8,-8,-8,-8,-8,0,0,0,0,0,0,0,0,8,8,8,0,0,0,8,8,8,8,8,8,9,16,16,0,16,0,16,8,8,8,16,16,16,16,29972,29973,29973,0,29975,29976,29976,29977,29977,29978,29978,29978,29979,29979,29981,29982,29981,29979,29978,29977,29977,29978,29978,29977,29979,29980,29980,29981,29981,29982,29982,29983,29985,29986,29988,29987,29987,29988,29988,29988,29988,29989,29989,29984,29985,29986,29986,29987,29987,29984,29984,29985,29985,29986,29986,29987,29988,29988,29988,29989,29989,29990,29990,29991,29991,528,29992,29993,29995,29996,29996,29997]} 1. Nf3 {[%emt 0:01:39]} d5 {[%emt 0:00:18]} 2. g3 {[%emt 0:01:19]} Nf6 {[%emt 0:00:58]} 3. Bg2 {[%emt 0:00:05]} c5 {[%emt 0:01:34]} 4. O-O {[%emt 0:00:10]} Nc6 {[%emt 0:00:54]} 5. d4 {[%emt 0:04:28]} e6 {[%emt 0:01:49]} 6. c4 {[%emt 0:00:04]} dxc4 {[%emt 0:01:59]} 7. dxc5 {[%emt 0:00:09]} Qxd1 {[%emt 0:02:06]} 8. Rxd1 {[%emt 0:00:02]} Bxc5 {[%emt 0:01:04]} 9. Nbd2 {[%emt 0:00:03]} c3 {[%emt 0:00:48]} 10. bxc3 {[%emt 0:00:03]} O-O {[%emt 0:03:35]} 11. Nb3 {[%emt 0:01:35]} Be7 {[%emt 0:01:26] E04: Open Catalan: 5 Nf3.} 12. Bb2 {[%emt 0:04:24]} Bd7 {[%emt 0:15:58]} 13. c4 {[%emt 0:08:24]} Rfd8 {[%emt 0:02:35] The position is equal.} 14. Ne5 {[%emt 0:02:04]} Be8 {[%emt 0:18:03]} 15. Nxc6 {[%emt 0:08:42]} Bxc6 {[%emt 0:00:17]} 16. Bxc6 {[%emt 0:02:02]} bxc6 {[%emt 0:00:06]} 17. Na5 {[%emt 0:00:20]} Rac8 {[%emt 0:10:14]} 18. Bxf6 {[%emt 0:27:34]} Bxf6 {[%emt 0:09:57] [#]} 19. Nb7 $146 {[%emt 0:01:24]} ({Predecessor:} 19. Rab1 g6 20. c5 Rd5 21. Nb3 Rcd8 22. Rdc1 Be7 23. Rc4 f5 24. Rbc1 Kg7 25. Ra4 {1-0 (44) Senthil,M (2208)-Brunner,N (2427) Chess.com INT 2022}) 19... Rxd1+ {[%emt 0:06:11]} 20. Rxd1 $11 {[%emt 0:01:32][%mdl 4096] Endgame KRB-KRN} Rc7 {[%emt 0:00:41] Inhibits Rd7.} 21. Na5 {[%emt 0:00:12]} Be7 {[%emt 0:03:16] Inhibits Rd6.} 22. Rb1 {[%emt 0:00:25]} f6 {[%emt 0:00:33]} 23. Kg2 {[%emt 0:05:06]} Kf7 {[%emt 0:00:14]} 24. Kf3 {[%emt 0:00:17]} e5 {[%emt 0:02:02]} 25. g4 {[%emt 0:01:10]} Ke6 {[%emt 0:01:44]} 26. Rb8 {[%emt 0:00:18]} g6 {[%emt 0:07:35]} 27. a4 {[%emt 0:00:38]} f5 {[%emt 0:04:02]} 28. gxf5+ {[%emt 0:00:29]} gxf5 {[%emt 0:00:06]} 29. e4 {[%emt 0:00:06]} Bc5 {[%emt 0:02:24]} 30. Re8+ {[%emt 0:19:25]} Kf6 {[%emt 0:00:12]} 31. Nb3 {[%emt 0:00:05]} fxe4+ {[%emt 0:01:59]} 32. Kxe4 {[%emt 0:00:03]} Bxf2 {[%emt 0:00:56]} 33. Rf8+ {[%emt 0:00:13]} Rf7 {[%emt 0:00:03]} 34. Rxf7+ {[%emt 0:00:03]} Kxf7 {[%emt 0:00:03] KB-KN} 35. Na5 {[%emt 0:00:03]} Ke6 {[%emt 0:01:14]} 36. Nxc6 {[%emt 0:00:06]} Bg1 {[%emt 0:00:38]} 37. h4 {[%emt 0:04:27] h5 is the strong threat.} h5 {[%emt 0:00:28]} 38. Nxe5 {[%emt 0:00:09]} Bf2 {[%emt 0:00:08]} 39. Ng6 {[%emt 0:06:48]} Kd6 {[%emt 0:00:30]} 40. Kd3 {[%emt 0:01:12]} Kc5 {[%emt 0:00:39]} 41. Kc3 {[%emt 0:00:06]} Be1+ {[%emt 0:00:22]} 42. Kb3 {[%emt 0:00:12]} a5 {[%emt 0:00:33]} 43. Nf4 {[%emt 0:00:10] Nd3+ would kill now.} Bxh4 {[%emt 0:00:05] Strongly threatening ...Bf6.} 44. Nxh5 {[%emt 0:00:10]} Be1 {[%emt 0:01:00]} 45. Nf4 {[%emt 0:00:13] Threatening mate with Nd3+.} Bd2 {[%emt 0:00:23]} 46. Ne6+ {[%emt 0:01:15]} Kd6 {[%emt 0:00:29]} 47. Kc2 {[%emt 0:00:16]} Bh6 {[%emt 0:00:35]} 48. Nd8 {[%emt 0:00:06]} Kc5 {[%emt 0:00:41]} 49. Kb3 {[%emt 0:00:01]} Bd2 {[%emt 0:00:23]} 50. Nb7+ {[%emt 0:00:17]} Kb6 {[%emt 0:00:53]} 51. Nd6 {[%emt 0:00:05]} Bf4 {[%emt 0:00:25]} 52. Ne4 {[%emt 0:00:03]} Be3 {[%emt 0:00:40]} 53. Kc3 {[%emt 0:00:02]} Kc6 {[%emt 0:00:17]} 54. Kd3 {[%emt 0:00:01]} Bg1 {[%emt 0:00:18]} 55. Kc3 {[%emt 0:01:28]} Ba7 {[%emt 0:00:29]} 56. Nd2 {[%emt 0:00:20]} Bf2 {[%emt 0:00:29]} 57. Nb3 {[%emt 0:00:06]} Be1+ {[%emt 0:00:39]} 58. Kd4 $1 {[%emt 0:01:14] Intending c5 and mate.} Bf2+ $1 {[%emt 0:00:30]} 59. Ke5 {[%emt 0:00:19]} Be1 {[%emt 0:00:08]} 60. Ke4 {[%emt 0:00:11]} Bb4 $2 {[%emt 0:00:22][%mdl 8192] White leaves nothing to chance now.} (60... Bc3 $11) 61. Kd4 {[%emt 0:00:15]} Be1 {[%emt 0:01:25] [#]} 62. c5 $1 {[%emt 0:00:02]} Bb4 $2 {[%emt 0:00:31][%mdl 8192]} (62... Bf2+ $11 63. Kc4 Be1 64. Nd4+ Kb7) 63. Kc4 {[%emt 0:00:03]} Be1 {[%emt 0:00:24]} 64. Nd4+ {[%emt 0:00:04]} Kc7 {[%emt 0:00:38]} 65. Kb5 {[%emt 0:00:05]} Bf2 {[%emt 0:00:29]} 66. Nb3 {[%emt 0:00:10]} Kb7 {[%emt 0:01:03]} 67. Nxa5+ {[%emt 0:00:06]} Ka7 {[%emt 0:00:00]} 68. Nc6+ {[%emt 0:00:24]} Ka8 {[%emt 0:00:25]} 69. Nb4 {[%emt 0:00:18]} Ka7 {[%emt 0:00:33]} 70. Nd5 {[%emt 0:00:13]} Bg3 {[%emt 0:00:28]} 71. Ne3 {[%emt 0:03:52]} Bf4 {[%emt 0:00:28]} 72. Nc4 {[%emt 0:00:02]} Bg3 {[%emt 0:00:25]} 73. Kc6 {[%emt 0:00:23]} Bf2 {[%emt 0:00:39]} 74. Na5 {[%emt 0:02:01]} Ka6 {[%emt 0:00:24]} 75. Nb3 {[%emt 0:00:33]} Ka7 {[%emt 0:00:29]} 76. Kd7 {[%emt 0:00:06]} Kb8 {[%emt 0:00:37]} 77. c6 {[%emt 0:00:16]} Bb6 {[%emt 0:00:11] [#]} 78. Nd4 $1 {[%emt 0:00:29][%mdl 512]} Ba5 {[%emt 0:00:50]} (78... Bc7 79. Ne6) 79. Nb5 {[%emt 0:00:19]} Bb6 {[%emt 0:00:25]} 80. c7+ {[%emt 0:00:33]} Bxc7 {[%emt 0:00:06]} 81. Nxc7 {[%emt 0:00:03]} Kb7 {[%emt 0:00:46]} 82. Nd5 {[%emt 0:00:07]} Ka6 {[%emt 0:00:30]} 83. Kc6 {[%emt 0:00:04]} Ka5 {[%emt 0:00:31]} 84. Nc3 {[%emt 0:00:04]} Ka6 {[%emt 0:00:06]} 85. Kc5 {[%emt 0:00:05]} Ka5 {[%emt 0:00:19]} 86. Kc4 {[%emt 0:00:05]} Ka6 {[%emt 0:00:19]} 87. Kb4 {[%emt 0:00:02]} Kb6 {[%emt 0:00:06]} 88. a5+ {[%emt 0:00:05][%cal Ba4a5,Ba5a6,Ba6a7][%mdl 32]} Ka6 {[%emt 0:00:04]} 89. Ka4 {[%emt 0:00:04]} Ka7 {[%emt 0:00:14]} 90. Kb5 {[%emt 0:00:03]} Kb7 {[%emt 0:00:05]} 91. a6+ {[%emt 0:00:05]} Ka7 {[%emt 0:00:03]} 92. Ka5 {[%emt 0:00:03]} Ka8 {[%emt 0:00:24]} 93. Kb6 {[%emt 0:00:03]} Kb8 {[%emt 0:00:05]} 94. Nb5 {[%emt 0:00:04] White mates.} Ka8 {[%emt 0:00:12]} 95. Nc7+ {[%emt 0:00:05]} Kb8 {[%emt 0:00:05]} 96. a7+ {[%emt 0:00:07] Weighted Error Value: White=0.03 (flawless) /Black=0.19 (very precise)} 1-0

[Event "13th Chennai Open 2022"]
[Site "Chennai"]
[Date "2022.06.21"]
[Round "4.14"]
[White "Vignesh B"]
[Black "Nguyen, Van Huy"]
[Result "1-0"]
[ECO "A06"]
[WhiteElo "2072"]
[BlackElo "2405"]
[Annotator "TA"]
[PlyCount "65"]
[EventDate "2022.06.19"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 9,65,-27,-8,-9,16,-18,-19,-29,-14,-8,-6,-6,-1,-34,-34,-62,-55,-42,0,-19,-2,-6,26,16,28,29,33,28,155,158,151,160,339,336,340,326,324,327,329,328,314,314,383,360,403,343,350,353,359,354,351,319,359,356,345,304,437,439]} 1. Nf3 {[%emt 0:00:09]} Nf6 {[%emt 1:31:00]} 2. b3 {[%emt 0:00:29]} d5 {[%emt 1:31:16]} 3. Bb2 {[%emt 0:00:05]} Bg4 {[%emt 0:00:19]} 4. Ne5 {[%emt 0:01:06]} Bh5 {[%emt 0:01:18]} 5. d4 {[%emt 0:06:09]} e6 {[%emt 0:03:10]} 6. Qd3 {[%emt 0:06:58] [#] A06: Réti Opening: 1 Nf3 d5.} Nfd7 $146 {[%emt 0:14:57]} ({Predecessor:} 6... Bb4+ 7. c3 Bd6 8. Qh3 O-O 9. e3 Nbd7 10. f4 Bg6 11. Nxg6 hxg6 12. Bd3 c5 {1-0 (75) Alatortsev,V-Rauzer,V Leningrad 1936}) 7. Nxd7 {[%emt 0:02:12]} Nxd7 {[%emt 1:13:43]} 8. e3 {[%emt 0:00:49] The position is equal.} Bd6 {[%emt 0:01:08]} 9. Be2 {[%emt 0:14:01]} Bg6 {[%emt 0:02:02]} 10. Qd1 {[%emt 0:00:39]} O-O {[%emt 0:01:07]} 11. Nd2 {[%emt 0:01:44]} c5 {[%emt 1:10:23]} 12. c4 {[%emt 0:09:52]} cxd4 {[%emt 0:03:59]} 13. exd4 {[%emt 0:02:50]} e5 {[%emt 0:10:59]} 14. cxd5 {[%emt 0:04:59]} exd4 {[%emt 0:02:36]} 15. Bxd4 {[%emt 0:02:47]} Nb6 {[%emt 0:04:59]} 16. O-O {[%emt 0:04:48]} Nxd5 {[%emt 0:04:43]} 17. Nc4 {[%emt 0:01:17][%cal Od4g7]} Bc7 {[%emt 0:01:52]} 18. Bf3 {[%emt 0:02:06][%cal Od4g7]} Nb4 {[%emt 0:02:59] [#] White now steadily converts the win.} (18... Qh4 19. g3 Qd8 20. Bc5 $16) (18... Qg5 $1 $11 {keeps the balance.}) 19. Bc5 $1 $16 {[%emt 0:03:12]} ({Inferior is} 19. Bxb7 Rb8 20. Bf3 Nc2 21. Bxa7 Nxa1 22. Qxd8 (22. Bxb8 Qxb8 23. Qxa1 Bxh2+ 24. Kh1 Qf4 $11) 22... Rbxd8 $11) 19... Nc2 {[%emt 0:01:35]} 20. Rc1 {[%emt 0:10:18]} ({Don't take} 20. Bxb7 Nxa1 21. Bxa8 Qxd1 22. Rxd1 Rxa8 $16) 20... Qg5 $2 {[%emt 0:06:26]} (20... Re8 $16 21. Rxc2 Qxd1 22. Bxd1 Bxc2 23. Bxc2 b6) 21. Bxf8 $18 {[%emt 0:00:52]} ({Avoid the trap} 21. Bxb7 $2 Rad8 22. Bxf8 (22. Bd6 $2 Bxd6 23. Nxd6 Qe7 $19) 22... Rxd1 23. Rcxd1 Kxf8 $19) 21... Rxf8 {[%emt 0:00:37]} 22. Rxc2 {[%emt 0:00:12]} Bxc2 {[%emt 0:01:04]} 23. Qxc2 {[%emt 0:00:05]} Qf4 {[%emt 0:31:46][%csl Gc7][%cal Rf4h2] [#]} 24. Re1 {[%emt 0:01:18]} Qxh2+ {[%emt 0:00:10]} 25. Kf1 {[%emt 0:00:04]} b5 {[%emt 0:01:36]} 26. Ne3 {[%emt 0:00:09]} h5 {[%emt 0:01:00]} 27. Ke2 {[%emt 0:01:18]} g6 {[%emt 0:00:20]} 28. Rd1 {[%emt 0:00:41]} Bb6 {[%emt 0:01:33]} 29. Rd7 {[%emt 0:02:32] Bd5 is the strong threat.} Qe5 {[%emt 0:00:20]} 30. Qe4 {[%emt 0:00:37]} Qb2+ {[%emt 0:00:10]} 31. Rd2 {[%emt 0:00:11]} Qa1 {[%emt 0:00:33]} 32. Nd5 {[%emt 0:02:21]} Bc5 {[%emt 0:00:01]} (32... Bd8 {was worth a try.} 33. Qe3 a5) 33. b4 {[%emt 0:01:47] Weighted Error Value: White=0.09 (flawless) /Black=0.30} 1-0

[Event "13th Chennai Open 2022"]
[Site "Chennai"]
[Date "2022.06.21"]
[Round "4.15"]
[White "Jani Kushal R"]
[Black "Gusain, Himal"]
[Result "1/2-1/2"]
[ECO "A37"]
[WhiteElo "1800"]
[BlackElo "2396"]
[Annotator "TA"]
[PlyCount "87"]
[EventDate "2022.06.19"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 11,87,0,3,2,0,4,3,0,69,13,47,-12,37,28,68,-15,-15,-9,-8,-30,0,-53,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,7,7,7,7,8,8,8,8,8,8,8,4,4,3,3,3,3,3,3,3,3,0,0,0,0,0]} 1. Nf3 {[%emt 0:00:03]} c5 {[%emt 0:01:26]} 2. g3 {[%emt 0:00:13]} Nc6 {[%emt 0:00:05]} 3. Bg2 {[%emt 0:00:24]} g6 {[%emt 0:00:21]} 4. O-O {[%emt 0:00:42]} Bg7 {[%emt 0:00:04]} 5. c4 {[%emt 0:00:07]} e5 {[%emt 0:01:27]} 6. Nc3 {[%emt 0:00:22]} d6 {[%emt 0:00:06]} 7. e3 {[%emt 0:03:03][%cal Od2d4] A37: Symmetrical English vs ...g6: 4 Bg2 Bg7 5 Nf3.} Be6 {[%emt 0:00:22]} 8. d4 {[%emt 0:06:36] [#] Strongly threatening d5.} Bxc4 {[%emt 0:01:29]} 9. Re1 {[%emt 0:01:09] [#]} Ba6 $146 {[%emt 0:06:08]} ({Don't play} 9... cxd4 10. exd4 Nge7 11. dxe5 (11. d5 Nb8 $11) 11... dxe5 12. Qa4 $14) (9... Nge7 $11) ({Predecessor:} 9... Nge7 10. Qa4 Be6 11. dxc5 d5 12. Ng5 e4 13. Nxe6 fxe6 14. Rd1 Qb8 15. f3 exf3 16. Bxf3 {½-½ (90) Arfan,A (2274)-Bilguun,S (2454) Tornelo INT 2021}) 10. dxc5 {[%emt 0:07:36]} (10. Qa4 $1 $14 Kf8 11. dxc5) 10... dxc5 $11 {[%emt 0:00:05]} 11. Ne4 {[%emt 0:08:51]} (11. Qa4 $14) 11... Qxd1 {[%emt 0:04:15]} (11... Qe7 $11 12. Qc2 Nb4 13. Qa4+ (13. Qxc5 Qxc5 14. Nxc5 Nc2 $15) 13... Kf8) 12. Rxd1 $14 {[%emt 0:00:09]} Bf8 {[%emt 0:00:03]} 13. b4 {[%emt 0:07:54] White is more active.} (13. b3 $1 $14) 13... cxb4 $11 {[%emt 0:02:03]} 14. Bb2 {[%emt 0:01:28][%cal Bc1b2,Bb2a3,Ba3d6][%mdl 32]} f6 {[%emt 0:00:07]} 15. a3 {[%emt 0:06:33]} Be2 {[%emt 0:06:05]} 16. Rdc1 {[%emt 0:01:13]} (16. Rd2 $11 Bxf3 17. Bxf3) 16... bxa3 {[%emt 0:05:20]} (16... Rd8 $1 $15) 17. Bxa3 {[%emt 0:02:52] The position is equal.} f5 {[%emt 0:02:02] [#] And now ...Bxa3 would win.} 18. Nd6+ {[%emt 0:05:48]} Bxd6 {[%emt 0:00:10]} 19. Bxd6 {[%emt 0:00:03]} Bxf3 {[%emt 0:03:39]} 20. Bxf3 {[%emt 0:00:06] This bishop pair is nice.} e4 {[%emt 0:00:14]} 21. Be2 {[%emt 0:00:37] Rab1 is the strong threat.} Nge7 {[%emt 0:00:35]} 22. Rab1 {[%emt 0:02:19]} Rd8 {[%emt 1:05:24]} 23. Bxe7 {[%emt 0:15:46]} Kxe7 {[%emt 0:00:00]} 24. Rxb7+ {[%emt 0:00:06]} Rd7 {[%emt 0:00:00]} 25. Rxd7+ {[%emt 0:04:51]} Kxd7 {[%emt 0:00:00][%mdl 4096] Endgame KRB-KRN} 26. Bb5 {[%emt 0:00:02]} Rc8 {[%emt 0:00:00]} 27. Ra1 {[%emt 0:00:18]} Ke6 {[%emt 0:00:00]} 28. Ra6 {[%emt 0:00:49]} Kd5 {[%emt 0:00:00]} 29. Bxc6+ {[%emt 0:00:59]} Rxc6 {[%emt 0:00:00]} 30. Rxa7 {[%emt 0:00:08] KR-KR} h6 {[%emt 0:00:00]} 31. Kg2 {[%emt 0:00:06]} g5 {[%emt 0:00:00][%cal Bg6g5,Bg5f4,Bf4e3][%mdl 32]} 32. Ra5+ {[%emt 0:00:53]} Ke6 {[%emt 0:00:00]} 33. h3 {[%emt 0:00:40]} Rc2 {[%emt 0:00:00]} 34. Ra6+ {[%emt 0:00:29]} Kf7 {[%emt 0:00:00]} 35. Rxh6 {[%emt 0:00:57]} f4 $1 {[%emt 0:00:00]} 36. gxf4 {[%emt 0:00:33]} gxf4 {[%emt 0:00:00]} 37. Rh4 {[%emt 0:02:27]} fxe3 {[%emt 0:00:00]} 38. Rf4+ {[%emt 0:00:05]} Kg6 {[%emt 0:00:00]} 39. Rxe4 {[%emt 0:00:05]} Rxf2+ {[%emt 0:00:00]} 40. Kg3 {[%emt 0:00:12]} Re2 {[%emt 0:00:00]} 41. Kf3 {[%emt 0:00:05]} Rh2 {[%emt 0:00:00]} 42. Rxe3 {[%emt 0:00:06]} Rxh3+ {[%emt 0:00:00]} 43. Ke2 {[%emt 0:00:05]} Rxe3+ {[%emt 0:00:00]} 44. Kxe3 {[%emt 0:00:04] Weighted Error Value: White=0.15 (very precise) /Black=0.09 (flawless)} 1/2-1/2

[Event "13th Chennai Open 2022"]
[Site "Chennai"]
[Date "2022.06.21"]
[Round "4.16"]
[White "Apoorv Kamble"]
[Black "Rajesh, V A V"]
[Result "0-1"]
[ECO "C54"]
[WhiteElo "1846"]
[BlackElo "2358"]
[Annotator "TA"]
[PlyCount "74"]
[EventDate "2022.06.19"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 10,73,12,16,38,0,27,14,17,25,20,0,0,0,18,6,18,-36,-57,-57,-60,-33,21,20,15,-19,0,-20,0,-21,-19,-31,-12,-60,-11,-10,-9,-18,-10,-38,-49,-32,-59,-41,-16,-81,-95,-316,-319,-435,-427,-717,-659,-649,-637,-936,-922,-1310,-1128,-29991,-29992,-29995,-29996,-29997,-29998,-29999]} 1. e4 {[%emt 0:00:03]} e5 {[%emt 0:00:20]} 2. Nf3 {[%emt 0:00:13]} Nc6 {[%emt 0:00:09]} 3. Bc4 {[%emt 0:00:06]} Bc5 {[%emt 0:00:05]} 4. c3 {[%emt 0:00:10]} Nf6 {[%emt 0:00:03]} 5. d3 {[%emt 0:00:08]} d6 {[%emt 0:00:06]} 6. Nbd2 {[%emt 0:00:11][%cal Bb1d2,Bd2f1,Bf1g3][%mdl 32]} h6 {[%emt 0:01:03] C54: Giuoco Piano: 4 c3 Nf6, main lines with 5 d4 and 5 d3.} 7. h3 {[%emt 0:00:26]} (7. b4 $5 {[%cal Rb4c5]} Bb6 8. a4 $11) 7... a6 {[%emt 0:01:16]} 8. Bb3 {[%emt 0:00:08]} Ba7 $1 {[%emt 0:03:53] The position is equal. 8...Ba7 is better than 8...0-0.} 9. Nf1 {[%emt 0:00:19]} d5 {[%emt 0:07:46]} 10. Qe2 {[%emt 0:00:58]} O-O {[%emt 0:00:20]} 11. Ng3 {[%emt 0:00:10]} Re8 {[%emt 0:01:41]} 12. O-O {[%emt 0:00:14]} Be6 {[%emt 0:01:15]} 13. Nh4 {[%emt 0:00:58] [#]} (13. Rd1 $11) 13... Nxe4 $1 $15 {[%emt 0:19:09]} 14. dxe4 {[%emt 0:09:02]} Qxh4 {[%emt 0:03:19]} 15. exd5 {[%emt 0:00:02]} Bxd5 {[%emt 0:02:18]} (15... Bxh3 $15 16. Be3 Bg4) 16. Bxd5 $11 {[%emt 0:00:02]} Qxg3 {[%emt 0:00:14] [#]} 17. Be3 $146 {[%emt 0:00:05]} ({Predecessor:} 17. Kh1 Qg6 18. Be3 Bb6 19. Bxb6 cxb6 20. Qe3 b5 21. Qb6 Rad8 22. Bb3 Rd7 23. a4 bxa4 24. Bxa4 {½-½ (43) Jiang,B (1954)-Estrada Nieto,J (2280) Chess.com INT 2020}) 17... Qg6 {[%emt 0:09:35][%cal Oc6d4]} 18. Rad1 {[%emt 0:00:07] Prevents Nd4.} Bb6 {[%emt 0:03:29]} 19. Qf3 {[%emt 0:02:36]} e4 {[%emt 0:07:11]} 20. Qf4 {[%emt 0:01:19]} Re7 {[%emt 0:00:39]} 21. Rfe1 {[%emt 0:01:59]} (21. Bxb6 $11 cxb6 22. Rde1) 21... Rae8 {[%emt 0:00:20]} (21... Bxe3 $15 22. Qxe3 Rd8) 22. Bxb6 {[%emt 0:09:24]} cxb6 {[%emt 0:00:08]} 23. Re3 {[%emt 0:00:09]} Kh8 {[%emt 0:10:06]} 24. Rg3 {[%emt 0:28:03]} Qh5 {[%emt 0:02:15]} 25. Bb3 {[%emt 0:02:03]} Qe5 {[%emt 0:02:37]} 26. Qh4 {[%emt 0:02:43]} Rd8 {[%emt 0:03:43] Prevents Rd5.} 27. Re1 {[%emt 0:05:39]} (27. Rxd8+ $11 Nxd8 28. Re3) 27... Rd2 {[%emt 0:04:33] Hoping for ...f5. Black is more active.} 28. Rg4 $2 {[%emt 0:04:58] This costs White the game.} (28. Rge3 $17 {was worth a try.} f5 29. R3e2 Rxe2 30. Rxe2) 28... f5 $19 {[%emt 0:01:24]} ({But not} 28... Rxb2 29. Rgxe4 Qf6 30. Qxf6 Rxe4 31. Qxf7 $1 (31. Rxe4 gxf6 32. Bxf7 b5 $11) 31... Rxe1+ 32. Kh2 Rxb3 33. Qxb3 $18) 29. Rg6 {[%emt 0:00:10][%cal Og6h6] Intending Rxh6+! and mate.} Kh7 {[%emt 0:00:59]} (29... Rxb2 $2 {[#] gets mated.} 30. Rxh6+ $1 {[%mdl 512]} gxh6 31. Qxh6+ Rh7 32. Qf8#) 30. Qh5 {[%emt 0:02:08]} (30. Rg3 $142 f4 31. Rg4) 30... Qf4 {[%emt 0:01:30]} 31. Rf1 {[%emt 0:09:00]} Ne5 {[%emt 0:01:16]} 32. Rxb6 {[%emt 0:00:18]} g6 {[%emt 0:00:27][%cal Bg7g6,Bg6h5][%mdl 32]} 33. g3 {[%emt 0:00:01]} Nf3+ {[%emt 0:01:10]} 34. Kg2 {[%emt 0:00:02]} gxh5 {[%emt 0:00:11] Black mates.} 35. gxf4 {[%emt 0:00:08]} Rg7+ {[%emt 0:00:03]} 36. Kh1 {[%emt 0:02:48] [#]} Rxf2 $3 {[%emt 0:00:13][%cal Rf2f1][%mdl 512]} 37. Rxb7 {[%emt 0:00:02]} (37. Bg8+ Kxg8) 37... Rxf1# {[%emt 0:00:08] Weighted Error Value: White=0.71/Black=0.09 (flawless)} 0-1

[Event "13th Chennai Open 2022"]
[Site "Chennai"]
[Date "2022.06.21"]
[Round "4.17"]
[White "Madhavan R Munjanattu"]
[Black "Karthikeyan, P.."]
[Result "1/2-1/2"]
[ECO "A44"]
[WhiteElo "1779"]
[BlackElo "2361"]
[Annotator "TA"]
[PlyCount "67"]
[EventDate "2022.06.19"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 9,67,96,106,87,88,54,51,54,66,63,72,45,47,48,70,58,102,105,100,91,109,113,112,105,108,106,103,56,109,106,127,110,119,64,64,54,83,29,89,89,102,102,92,102,140,129,133,124,118,86,112,54,53,0,0,0,0,0,0,0]} 1. d4 {[%emt 0:00:04]} c5 {[%emt 0:00:46]} 2. d5 {[%emt 0:00:38]} e5 {[%emt 0:01:04]} 3. e4 {[%emt 0:01:19]} d6 {[%emt 0:00:07]} 4. Nc3 {[%emt 0:00:36]} a6 {[%emt 0:01:05]} 5. a4 {[%emt 0:00:05]} g6 {[%emt 0:00:07]} 6. g3 {[%emt 0:01:38] A44: Semi-Benoni.} Bg7 {[%emt 0:00:48]} 7. Bh3 {[%emt 0:05:14]} Bxh3 {[%emt 0:01:35]} 8. Nxh3 {[%emt 0:00:05] White is slightly better.} Qc8 {[%emt 0:00:41]} 9. Ng5 {[%emt 0:00:05] [#]} Nf6 $146 {[%emt 0:02:58]} ({Predecessor:} 9... h6 10. Nf3 Ne7 11. Nd2 Nd7 12. Nc4 Qc7 13. O-O Rb8 14. a5 O-O 15. f4 exf4 16. Bxf4 {0-1 (35) Stefanopoulos,O (2246)-Managadze,N (2444) Athens 2006}) 10. Be3 {[%emt 0:03:38]} O-O {[%emt 0:02:11]} 11. Nf3 {[%emt 0:02:35]} Nbd7 {[%emt 0:06:15][%cal Ob7b5]} 12. Nd2 {[%emt 0:00:32]} Ne8 {[%emt 0:02:00] [#]} 13. g4 $1 {[%emt 0:01:09]} b6 {[%emt 0:02:12]} 14. f3 {[%emt 0:02:36]} Qd8 {[%emt 0:05:32]} 15. h4 {[%emt 0:02:06]} Bf6 {[%emt 0:00:50]} 16. h5 {[%emt 0:07:15]} ({Don't play} 16. g5 Be7 $14) 16... Bg5 {[%emt 0:03:23]} 17. Bxg5 {[%emt 0:03:04]} Qxg5 {[%emt 0:00:25]} 18. Nc4 {[%emt 0:03:00]} ({White should play} 18. Qe2 $16) 18... Rb8 {[%emt 0:02:42]} (18... f5 $14) 19. Qd2 $16 {[%emt 0:02:30]} Qxd2+ {[%emt 0:16:12]} 20. Kxd2 {[%emt 0:00:17]} Kg7 {[%emt 0:02:04]} 21. hxg6 {[%emt 0:09:17]} (21. Nd1 $16) 21... fxg6 $14 {[%emt 0:01:32]} 22. Ke3 {[%emt 0:00:41]} Ndf6 {[%emt 0:05:37]} 23. Ra3 {[%emt 0:03:25]} (23. g5 $16) 23... Rf7 {[%emt 0:03:35]} (23... h6 $11 {remains equal.}) 24. g5 {[%emt 0:06:32]} Nh5 {[%emt 0:05:26]} 25. Rb3 {[%emt 0:00:33] Active counter play!} Rfb7 {[%emt 0:00:09][%cal Bf7b7,Bb7b6,Bb6a6][%mdl 32]} (25... Ng3 $2 26. Rh3 Nh5 27. Rxb6 Rxb6 28. Nxb6 $18) 26. Ne2 {[%emt 0:04:25]} b5 {[%emt 0:02:09]} 27. axb5 {[%emt 0:04:45]} axb5 {[%emt 0:00:19]} 28. Na5 {[%emt 0:00:05]} Rb6 {[%emt 0:00:15]} 29. Nc6 {[%emt 0:00:35]} Ra8 {[%emt 0:00:14]} 30. Rb1 {[%emt 0:00:15]} ({White should try} 30. f4 $16) 30... Nc7 {[%emt 0:02:35]} 31. Ra3 {[%emt 0:00:49]} (31. Rc3 $14) 31... Rxa3+ $11 {[%emt 0:00:59] The position is equal.} 32. bxa3 {[%emt 0:00:01] [#] aiming for c4.} Ra6 {[%emt 0:00:43]} 33. Rb3 {[%emt 0:00:46][%cal Oc2c4] Hoping for c4!} c4 {[%emt 0:03:09]} 34. Rc3 {[%emt 0:01:14] Weighted Error Value: White=0.14 (very precise) /Black=0.12 (very precise)} 1/2-1/2

[Event "13th Chennai Open 2022"]
[Site "Chennai"]
[Date "2022.06.21"]
[Round "4.18"]
[White "Patil Priyanshu"]
[Black "Konguvel, Ponnuswamy"]
[Result "1/2-1/2"]
[ECO "B27"]
[WhiteElo "1796"]
[BlackElo "2331"]
[Annotator "TA"]
[PlyCount "86"]
[EventDate "2022.06.19"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 14,86,16,12,14,17,11,14,12,16,10,0,20,28,59,30,53,29,46,58,54,0,0,-12,-10,-11,-17,-48,-25,-137,-105,-172,-146,-181,-160,-147,-84,-69,-68,-85,-12,-28,-10,-13,0,-25,10,14,12,0,0,0,0,0,0,-39,0,0,0,0,0,0,102,103,97,107,100,99,92,77,348,348,322,247,184]} 1. e4 {[%emt 0:00:04]} c5 {[%emt 0:00:13]} 2. Nc3 {[%emt 0:00:08]} g6 {[%emt 0:00:47]} 3. d4 {[%emt 0:00:06]} cxd4 {[%emt 0:00:36]} 4. Qxd4 {[%emt 0:00:03]} Nf6 {[%emt 0:00:08]} 5. Nf3 {[%emt 0:00:05]} Nc6 {[%emt 0:00:16]} 6. Qa4 {[%emt 0:00:02]} d6 {[%emt 0:00:39]} 7. e5 {[%emt 0:00:02]} dxe5 {[%emt 0:00:48]} 8. Nxe5 {[%emt 0:00:03] With the idea Bc4.} Bg7 {[%emt 0:00:47] B27: Sicilian: 2 Nf3, unusual Black 2nd moves.} 9. Bb5 {[%emt 0:00:10]} O-O {[%emt 0:00:30]} 10. Nxc6 {[%emt 0:00:05]} bxc6 {[%emt 0:00:04] The position is equal.} 11. Bxc6 {[%emt 0:00:05]} Bd7 {[%emt 0:01:03]} 12. O-O {[%emt 0:04:48]} Bxc6 {[%emt 0:07:24]} 13. Qxc6 {[%emt 0:00:13]} Rb8 {[%emt 0:00:36][%cal Ba8b8,Bb8b4,Bb4d4][%mdl 32]} 14. Rb1 {[%emt 0:15:51]} Qa5 {[%emt 0:03:54] [#]} 15. Bf4 $146 {[%emt 0:08:05]} ({Predecessor:} 15. Qf3 Nd7 16. Bf4 e5 17. Bd2 Rfc8 18. Nd5 Qd8 19. Bb4 Nc5 20. Rfd1 a5 21. Bxa5 Qxa5 {1-0 (38) Ruperez Benito,A (2329)-Librelato,K (2100) Escaldes 2018}) 15... Rfc8 {[%emt 0:19:27]} 16. Qf3 {[%emt 0:00:36]} Rb4 {[%emt 0:07:00]} 17. Qh3 {[%emt 0:19:22]} ({White should play} 17. Bd2 $14) 17... e6 $11 {[%emt 0:04:35]} 18. Bd2 {[%emt 0:08:17]} Rd4 {[%emt 0:12:00][%mdl 1024] Black has compensation.} 19. Be3 {[%emt 0:01:10]} Rdc4 {[%emt 0:01:29]} 20. Rfd1 {[%emt 0:06:09]} Ng4 {[%emt 0:02:02]} 21. Rd3 {[%emt 0:11:44]} (21. Bd2 $1 $11) 21... Be5 {[%emt 0:09:05]} (21... Bxc3 22. bxc3 Qxa2 23. Rf1 $17) 22. Rbd1 {[%emt 0:10:17]} (22. g3 $17) 22... Bxh2+ {[%emt 0:01:17]} (22... Bxc3 23. bxc3 Nxe3 24. Qxe3 $17) 23. Kf1 {[%emt 0:00:17]} Be5 {[%emt 0:00:41]} 24. Bd4 {[%emt 0:00:33]} Bxd4 {[%emt 0:06:13]} (24... h5 $142 $1 {Strongly threatening ...Bxd4.} 25. Bxe5 Nxe5) 25. Rxd4 $17 {[%emt 0:00:03]} Qf5 {[%emt 0:00:10][%csl Gg4][%cal Rf5f2]} 26. Qg3 {[%emt 0:04:52]} Nf6 {[%emt 0:00:13]} ({Black should try} 26... h5 $17 {...h4 is the strong threat.} 27. Rxc4 Rxc4) 27. Qd3 $11 {[%emt 0:00:48]} Rxd4 {[%emt 0:07:01]} 28. Qxd4 {[%emt 0:00:02]} Ng4 {[%emt 0:00:36][%cal Oc8c4] White must now prevent ...Rc4!} 29. Rd2 {[%emt 0:02:44]} Rc5 {[%emt 0:03:40]} (29... Qh5 $5 {[%cal Rh5h1]}) 30. f3 {[%emt 0:02:38]} Nf6 {[%emt 0:01:13]} 31. Qd3 {[%emt 0:01:15]} Qh5 {[%emt 0:01:10]} 32. Qd8+ {[%emt 0:00:41]} (32. Qd4 $5 {[%cal Rd4f6]} Qg5 33. Rd1 $11) 32... Kg7 {[%emt 0:00:01] Hoping for ...Qh1+.} 33. Qd4 $1 {[%emt 0:00:06]} Re5 {[%emt 0:03:04]} 34. Kf2 {[%emt 0:00:01]} a5 {[%emt 0:01:42]} (34... Rf5 $5 {[%cal Re6e5]} 35. Kg1 Qh6 $15) 35. Re2 {[%emt 0:01:52]} Rg5 {[%emt 0:03:09] aiming for ...Qh1.} 36. Ne4 {[%emt 0:02:35]} Qh4+ {[%emt 0:00:36]} 37. Kf1 {[%emt 0:00:01] Really sharp!} ({Of course not} 37. g3 Qh2+ 38. Kf1 (38. Ke1 Qh1+ 39. Kf2 e5 $17) 38... Qh1+ 39. Kf2 Qh2+ 40. Ke1 Qh1+ 41. Kf2 (41. Kd2 $2 Rd5 $19) 41... e5 $17) 37... e5 {[%emt 0:00:13] [#]} (37... Qh1+ $11 {remains equal.} 38. Qg1 Nxe4 $1 39. Rxe4 Qxg1+ 40. Kxg1 Rd5) 38. Qf2 $1 $36 {[%emt 0:03:37][%mdl 2048] Keeping Black busy. White is more active.} Qh1+ {[%emt 0:00:51]} 39. Qg1 {[%emt 0:00:00]} Nxe4 {[%emt 0:02:22]} 40. Qxh1 {[%emt 0:00:00]} Ng3+ {[%emt 0:00:08]} 41. Kg1 {[%emt 0:00:00][%cal Oh1h4] Threatens to win with Qh4!} Nxe2+ $4 {[%emt 0:00:53][%mdl 8192]} ({Less strong is} 41... Rh5 {[#]} 42. Qxh5 $1 Nxe2+ 43. Kf2 gxh5 44. Kxe2 $16) (41... Nxh1 $16 {keeps fighting.} 42. Kxh1 Kf6) 42. Kf2 $18 {[%emt 0:00:00]} Nf4 {[%emt 0:02:54]} 43. g4 {[%emt 0:02:30]} f5 {[%emt 0:00:30] Never resign too early!  Weighted Error Value: White=0.16 (very precise) /Black=0.30} 1/2-1/2

