[Event "13th Chennai Open 2022"]
[Site "Chennai"]
[Date "2022.06.20"]
[Round "1.1"]
[White "Thapa, Ganesh Bahadur"]
[Black "Savchenko, Boris"]
[Result "0-1"]
[ECO "B30"]
[WhiteElo "1422"]
[BlackElo "2524"]
[Annotator "TA"]
[PlyCount "82"]
[EventDate "2022.06.19"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 9,82,-11,3,-23,-22,-22,-8,-23,-14,-48,-18,-25,-5,-19,-18,-15,-6,-57,-48,-121,-112,-124,-99,-147,-123,-193,-152,-266,-218,-352,-341,-368,-326,-253,-216,-372,-362,-416,-408,-537,-504,-551,-541,-584,-591,-589,-591,-587,-574,-556,-568,-522,-474,-499,-492,-896,-893,-877,-857,-837,-812,-1579,-1566,-29971,-29972,-29984,-29985,-29983,-29984,-29995,-29992,-29992,-29993,-29993,-29994]} 1. e4 {[%emt 0:00:03]} c5 {[%emt 0:00:07]} 2. Nc3 {[%emt 0:01:08]} g6 {[%emt 0:00:07]} 3. Nf3 {[%emt 0:02:35]} Bg7 {[%emt 0:00:21]} 4. Bc4 {[%emt 0:01:31]} Nc6 {[%emt 0:00:22]} 5. h3 {[%emt 0:00:49]} a6 {[%emt 0:00:33]} 6. a3 {[%emt 0:01:41] B30: Sicilian: 2...Nc6 3 Bb5, lines without ...g6.} e6 {[%emt 0:00:09]} 7. O-O {[%emt 0:02:12]} Nge7 {[%emt 0:00:09] [#]} 8. Re1 $146 {[%emt 0:02:42] The position is equal.} ({Predecessor:} 8. d3 d5 9. exd5 exd5 10. Ba2 O-O 11. Bg5 Be6 12. Qd2 Re8 13. Rfe1 Qd7 14. Kh2 {0-1 (28) Mishra,A (1431)-Bharadwaj,N (1811) Chess.com INT 2021}) 8... O-O {[%emt 0:00:11]} 9. Bf1 {[%emt 0:02:03]} d5 {[%emt 0:00:16]} 10. d3 {[%emt 0:00:54]} h6 {[%emt 0:00:09]} 11. Bd2 {[%emt 0:01:19]} b5 {[%emt 0:00:19]} 12. Qc1 {[%emt 0:00:48]} Kh7 {[%emt 0:00:13]} 13. Nh2 {[%emt 0:01:28]} ({White should try} 13. exd5 $11 exd5 14. b4) 13... f5 {[%emt 0:00:16]} 14. exf5 {[%emt 0:04:23] Black converts the advantage convincingly.} (14. exd5 $15 exd5 15. g3) 14... Nxf5 $17 {[%emt 0:00:16]} 15. Rb1 {[%emt 0:01:52]} Ra7 {[%emt 0:00:33]} 16. Ne2 {[%emt 0:01:41] [#]} (16. b4 $142) 16... Raf7 $1 {[%emt 0:00:21] Black is much more active. The white rooks are badly placed.} 17. c3 {[%emt 0:02:04]} (17. b3 $17) 17... e5 {[%emt 0:00:20]} 18. g3 {[%emt 0:02:30]} (18. b3 $17 {was necessary.}) 18... Nfe7 {[%emt 0:00:29]} 19. f4 {[%emt 0:00:21]} (19. b3 {might work better.}) 19... exf4 {[%emt 0:00:51]} 20. Nxf4 {[%emt 0:00:42]} Qd6 {[%emt 0:00:17] Prevents Ne6.} ({Worse is} 20... g5 21. Ne6 Bxe6 22. Rxe6 $17) 21. Bg2 {[%emt 0:00:52]} Bf5 {[%emt 0:01:28]} 22. Re3 $2 {[%emt 0:04:03]} (22. b4 {was worth a try.}) 22... d4 {[%emt 0:01:38]} 23. Rf3 {[%emt 0:00:13]} Ne5 {[%emt 0:00:43]} 24. Rf1 {[%emt 0:02:41]} Nxd3 {[%emt 0:00:19]} 25. Nxd3 {[%emt 0:01:47]} Bxd3 {[%emt 0:00:10][%mdl 64] [#] Discovered Attack} 26. Rxf7 {[%emt 0:00:52]} Rxf7 {[%emt 0:00:08]} 27. Bf4 {[%emt 0:00:19]} Rxf4 {[%emt 0:00:10]} 28. gxf4 {[%emt 0:00:45]} dxc3 {[%emt 0:00:34]} 29. bxc3 {[%emt 0:00:17]} Bxb1 {[%emt 0:00:09]} 30. Qxb1 {[%emt 0:00:02]} Qxf4 {[%emt 0:00:23]} 31. Qe1 {[%emt 0:02:55]} Nf5 {[%emt 0:00:28][%cal Ob5b4]} 32. Ng4 {[%emt 0:01:01]} (32. Nf1 $142) 32... h5 $19 {[%emt 0:00:19]} 33. Nf2 {[%emt 0:00:37]} Qg3 {[%emt 0:00:10] Strongly threatening ...Ne3.} 34. Qe4 {[%emt 0:02:14]} Bxc3 {[%emt 0:00:42]} 35. Nd3 {[%emt 0:00:20]} Bd4+ {[%emt 0:00:12]} 36. Kh1 {[%emt 0:00:07]} c4 {[%emt 0:00:24] Black mates.} 37. Ne1 {[%emt 0:01:14]} Qd6 {[%emt 0:00:22]} 38. Qb7+ {[%emt 0:00:35]} Kh6 {[%emt 0:00:21]} 39. Be4 {[%emt 0:00:23]} Qf4 {[%emt 0:00:16]} 40. Nf3 {[%emt 0:00:04]} Ng3+ {[%emt 0:00:10]} 41. Kg2 {[%emt 0:00:26]} Nxe4 {[%emt 0:00:08] Weighted Error Value: White=0.74/Black=0.11 (very precise)} 0-1

[Event "13th Chennai Open 2022"]
[Site "Chennai"]
[Date "2022.06.20"]
[Round "1.2"]
[White "Fedorov, Alexei"]
[Black "Aswinika Mani R"]
[Result "1-0"]
[ECO "B90"]
[WhiteElo "2529"]
[BlackElo "1408"]
[Annotator "TA"]
[PlyCount "59"]
[EventDate "2022.06.19"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 10,59,28,0,0,0,3,0,47,25,33,70,95,89,93,104,111,27,132,130,147,64,85,85,81,89,95,85,91,32,87,83,131,133,480,504,537,528,597,608,562,561,661,665,685,685,678,675,614,591,700,685]} 1. e4 {[%emt 0:00:03]} c5 {[%emt 0:00:19]} 2. Nf3 {[%emt 0:00:15]} d6 {[%emt 0:00:08]} 3. d4 {[%emt 0:00:27]} cxd4 {[%emt 0:00:16]} 4. Nxd4 {[%emt 0:00:03]} Nf6 {[%emt 1:31:47]} 5. Nc3 {[%emt 0:00:05]} a6 {[%emt 0:00:00]} 6. Qf3 {[%emt 1:32:37]} g6 {[%emt 0:00:00] B90: Sicilian Najdorf: Unusual White 6th moves, 6 Be3 Ng4 and 6 Be3 e5.} 7. h3 {[%emt 0:00:00]} Bg7 {[%emt 0:00:00]} 8. Be3 {[%emt 0:00:00]} Nbd7 {[%emt 0:02:00]} (8... Bd7 $11 {is superior.}) 9. g4 {[%emt 0:01:30]} O-O {[%emt 0:00:00]} 10. O-O-O {[%emt 0:00:00]} Ne5 {[%emt 0:00:00]} 11. Qg2 Nc6 {[%emt 0:01:30]} 12. f4 {[%emt 0:00:00][%cal Oe4e5]} Nd7 {[%emt 0:00:30] [#] Prevents e5.} 13. e5 $146 {[%emt 0:00:00]} (13. h4 $16) ({Predecessor:} 13. h4 Nxd4 14. Bxd4 e5 15. fxe5 Nxe5 16. g5 Be6 17. Kb1 Rc8 18. h5 Re8 19. hxg6 hxg6 {½-½ (46) Mchedlishvili,M (2637)-Magalashvili,D (2521) Tbilisi 2013}) 13... Rb8 {[%emt 0:00:00]} (13... dxe5 $11 14. Nxc6 bxc6) 14. exd6 $16 {[%emt 0:00:00] White is much more active. The black rooks are badly placed.} (14. Nxc6 bxc6 15. Bc4 (15. exd6 Bxc3 16. bxc3 exd6 $17) (15. Qxc6 $2 Bb7 $19) 15... d5 $11) 14... exd6 {[%emt 0:01:00]} 15. Bc4 {[%emt 0:00:00]} (15. Nxc6 bxc6 16. Qd2 (16. Rxd6 Qa5 $17) (16. Qxc6 $2 Bb7 $19) 16... c5 $17) (15. Qf2 $16) 15... Nxd4 {[%emt 0:00:00]} 16. Bxd4 {[%emt 0:00:00]} Bxd4 {[%emt 0:00:00]} 17. Rxd4 {[%emt 0:00:00]} b5 {[%emt 0:00:00]} 18. Bd5 {[%emt 0:00:00]} Nf6 {[%emt 0:02:00]} 19. Rhd1 {[%emt 0:00:00]} (19. Bc6 $16) 19... Nxd5 {[%emt 0:00:30]} (19... b4 $1 $14 20. Ne2 Nxd5 21. Qxd5 Bb7) 20. Qxd5 {[%emt 0:00:00]} ({But not} 20. Rxd5 $6 Bb7 $11) 20... Be6 {[%emt 0:00:00]} (20... Bb7 $142 21. Qg5 (21. Qxd6 Qh4 $16) 21... f5) 21. Qxd6 {[%emt 0:00:00]} Qh4 {[%emt 0:00:00][%mdl 8192] Loses the game.} (21... Qxd6 $16 22. Rxd6 a5) 22. Ne4 $18 {[%emt 0:00:00] White is clearly winning.} Rbe8 {[%emt 0:00:00]} 23. f5 {[%emt 0:00:00] [#] Threatens to win with g5.} Bc4 {[%emt 0:00:00]} 24. Nf6+ {[%emt 0:00:00]} Kg7 {[%emt 0:00:00]} 25. Nxe8+ {[%emt 0:08:00]} Rxe8 {[%emt 0:00:00]} 26. b3 {[%emt 0:00:00]} Be2 {[%emt 0:00:00]} 27. f6+ {[%emt 0:00:00]} Qxf6 {[%emt 0:00:00]} 28. Qxf6+ {[%emt 0:00:00]} Kxf6 {[%emt 0:00:00]} 29. Re1 {[%emt 0:00:00]} Re6 {[%emt 0:00:00]} 30. Kd2 {[%emt 0:00:00] Weighted Error Value: White=0.14 (very precise) /Black=0.62} 1-0

[Event "13th Chennai Open 2022"]
[Site "Chennai"]
[Date "2022.06.20"]
[Round "1.3"]
[White "Aman Khinvasara"]
[Black "Tran, Tuan Minh"]
[Result "0-1"]
[ECO "A45"]
[WhiteElo "1418"]
[BlackElo "2533"]
[Annotator "TA"]
[PlyCount "44"]
[EventDate "2022.06.19"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 9,44,-7,-11,-6,-10,-7,-12,-6,0,-67,-68,-70,0,-26,-31,-478,-502,-554,-551,-625,-597,-626,-619,-622,-619,-696,-696,-676,-703,-691,-694,-778,-770,-849,-800,-1330,-1309]} 1. d4 {[%emt 0:00:01]} Nf6 {[%emt 0:00:22]} 2. Bf4 {[%emt 0:00:07]} c5 {[%emt 0:00:05]} 3. c3 {[%emt 0:00:10]} Qb6 {[%emt 0:00:16]} 4. Qb3 {[%emt 0:00:41]} cxd4 {[%emt 0:00:07]} 5. Qxb6 {[%emt 0:00:16]} axb6 {[%emt 0:00:30]} 6. cxd4 {[%emt 0:00:11] A45: Trompowsky Attack.} Nc6 {[%emt 0:00:04]} 7. e3 {[%emt 0:03:06]} Nb4 {[%emt 0:00:11][%cal Bc6b4,Bb4a2,Ba2c3,Bc3a4,Ba4b6][%mdl 32] [#] Hoping for ...Nc2+.} 8. Kd1 {[%emt 0:00:47] [#] Against Nc2. The position is equal.} Ne4 $146 {[%emt 0:02:42]} ({Predecessor:} 8... Rxa2 9. Rxa2 Nxa2 10. Bb5 e6 11. f3 Nd5 12. Ne2 Nxf4 13. Nxf4 Nb4 14. Nd2 Bd6 {0-1 (46) Bohnstorff,M (2050)-Sebastian,D (2445) Lueneburg 2017}) 9. Bg3 {[%emt 0:00:22]} (9. Nh3 $11) 9... Nxa2 $15 {[%emt 0:08:36][%cal Oa2c3] Black is more active.} 10. Ke1 {[%emt 0:01:16] And now Bc4 would win.} Ra5 {[%emt 0:05:20]} (10... d5 $1 $15 11. Nf3 e6) 11. Bc7 {[%emt 0:06:33] Threatens to win with f3.} (11. Na3 $5 {[%cal Ra1a2]} Nb4 12. Rc1 $11) 11... e5 $36 {[%emt 0:06:07][%mdl 2048] ...Bb4+ is the strong threat. Black has the initiative.} 12. Bxb6 $2 {[%emt 0:04:33][%mdl 8192] Now White is beyond hope.} ({White should play} 12. Bc4 $15 Nb4 13. Rxa5 bxa5 14. dxe5) 12... Bb4+ $19 {[%emt 0:00:06] Black is clearly winning.} 13. Nc3 {[%emt 0:00:27]} Ra4 {[%emt 0:00:23]} 14. Bb5 {[%emt 0:11:37]} Naxc3 {[%emt 0:00:21][%cal Ra4a1]} 15. Bxa4 {[%emt 0:00:36]} Nxa4+ {[%emt 0:00:04][%mdl 64] [#] Discovered Attack. Pair of Knights!} 16. Ke2 {[%emt 0:00:13]} Nxb6 {[%emt 0:00:05]} 17. f3 {[%emt 0:00:41]} Nd2 {[%emt 0:00:29]} 18. dxe5 {[%emt 0:00:36]} O-O {[%emt 0:00:07]} 19. Nh3 {[%emt 0:02:34]} Ndc4 {[%emt 0:00:45][%csl LRb2,LRe5]} 20. f4 {[%emt 0:00:44]} d6 {[%emt 0:00:12]} 21. exd6 {[%emt 0:00:11]} Bg4+ {[%emt 0:00:49]} 22. Kd3 {[%emt 0:01:40]} Rd8 {[%emt 0:00:41] Weighted Error Value: White=1.00/Black=0.08 (flawless)} 0-1

[Event "13th Chennai Open 2022"]
[Site "Chennai"]
[Date "2022.06.20"]
[Round "1.4"]
[White "Aronyak Ghosh"]
[Black "Dipesh Seeraj K S"]
[Result "1-0"]
[ECO "D33"]
[WhiteElo "2494"]
[BlackElo "1418"]
[Annotator "TA"]
[PlyCount "41"]
[EventDate "2022.06.19"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 14,41,43,24,46,43,78,71,208,216,195,195,303,246,274,272,568,564,578,479,475,469,458,457,860,724,918,908,3100,2120]} 1. c4 {[%emt 0:00:45]} Nf6 {[%emt 0:00:11]} 2. Nc3 {[%emt 0:00:36]} c5 {[%emt 0:00:49]} 3. g3 {[%emt 0:02:52]} Nc6 {[%emt 0:04:05]} 4. Bg2 {[%emt 0:00:13]} e6 {[%emt 0:02:27]} 5. Nf3 {[%emt 0:00:35]} d5 {[%emt 0:01:03]} 6. cxd5 {[%emt 0:00:26]} exd5 {[%emt 0:00:09]} 7. d4 {[%emt 0:00:17]} cxd4 {[%emt 0:05:07] is cutting edge theory.} 8. Nxd4 {[%emt 0:00:21]} Bb4 {[%emt 0:03:24] D33: Tarrasch Defence: 6 g3 sidelines.} 9. O-O {[%emt 0:06:55]} Bxc3 {[%emt 0:05:09]} 10. bxc3 {[%emt 0:01:25][%cal Bb2c3,Bc3c4][%mdl 32]} h6 {[%emt 0:16:55]} (10... O-O $16 {is a better defense.}) 11. Nxc6 $18 {[%emt 0:12:25]} bxc6 {[%emt 0:00:24] [#]} 12. Ba3 $1 {[%emt 0:00:06] [#] Qd4 is the strong threat.} Qc7 $146 {[%emt 0:09:39]} (12... Qa5 {keeps fighting.}) ({Predecessor:} 12... Bf5 13. Qd4 Qc7 14. c4 O-O-O 15. cxd5 Nxd5 16. Rac1 Rhe8 17. Qc4 Kb7 18. Rfd1 Be6 {1-0 (36) Friedrich,J (2189)-Andreadakis,L (1957) Siebenlehn 2010}) 13. Qd4 {[%emt 0:01:51] Black must now prevent c4.} Be6 {[%emt 0:07:58]} 14. Rab1 {[%emt 0:03:29]} Kd7 $2 {[%emt 0:08:27]} (14... Rc8 15. Bc5 Rg8) 15. c4 {[%emt 0:02:32] aiming for cxd5. White is clearly winning.} Rhb8 {[%emt 0:02:21]} 16. e4 {[%emt 0:01:40][%cal Be2e4,Be4d5][%mdl 32]} Rxb1 {[%emt 0:06:05]} 17. Rxb1 {[%emt 0:00:05]} Rb8 {[%emt 0:02:59]} 18. Rd1 {[%emt 0:00:28]} ({Less strong is} 18. Rxb8 Qxb8 19. cxd5 cxd5 $18) 18... Ke8 {[%emt 0:01:18]} (18... Qa5 $142 19. exd5 cxd5) 19. cxd5 {[%emt 0:03:58]} cxd5 {[%emt 0:00:20]} 20. exd5 {[%emt 0:04:29]} Bd7 {[%emt 0:03:15]} 21. Qe3+ {[%emt 0:00:46] White took control after the opening.  Weighted Error Value: White=0.18 (very precise) /Black=0.76} 1-0

[Event "13th Chennai Open 2022"]
[Site "Chennai"]
[Date "2022.06.20"]
[Round "1.5"]
[White "Gairick Saha"]
[Black "Deepan Chakkravarthy J."]
[Result "0-1"]
[ECO "A40"]
[WhiteElo "1368"]
[BlackElo "2478"]
[Annotator "TA"]
[PlyCount "72"]
[EventDate "2022.06.19"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 9,72,24,38,27,46,59,52,43,41,35,44,36,31,25,28,33,37,31,26,43,44,13,18,20,28,3,27,31,37,37,41,20,20,0,0,-64,0,-56,0,-40,0,-436,-436,-436,-436,-397,-421,-775,-793,-779,-732,-829,-795,-806,-793,-792,-785,-901,-666,-781,-782,-800,-810,-775,-430]} 1. d4 {[%emt 0:00:30]} e6 {[%emt 0:00:30]} 2. c4 {[%emt 0:00:30]} Bb4+ {[%emt 0:00:30]} 3. Bd2 {[%emt 0:00:30]} a5 {[%emt 0:00:30]} 4. a3 {[%emt 0:00:30]} Bxd2+ {[%emt 0:00:30]} 5. Qxd2 {[%emt 0:00:30]} d6 {[%emt 0:00:30]} 6. Nf3 {[%emt 0:00:30] A40: Unusual replies to 1 d4.} Ne7 {[%emt 0:00:30]} 7. Nc3 {[%emt 0:00:30]} O-O {[%emt 0:00:30]} 8. e3 {[%emt 0:00:30] [#] White is slightly better.} b6 $146 {[%emt 0:00:30]} ({Predecessor:} 8... a4 9. Qc2 Bd7 10. Bd3 h6 11. g4 e5 12. Rg1 exd4 13. exd4 Ng6 14. O-O-O Nh4 15. Nxh4 Qxh4 {0-1 (43) Aymerich Verdaguer,E (2164)-Lopez Martinez,J (2549) Mollet del Valles 2016}) 9. Bd3 {[%emt 0:00:30]} Bb7 {[%emt 0:00:30]} 10. Qe2 {[%emt 0:00:30]} Nd7 {[%emt 0:00:30]} 11. O-O {[%emt 0:00:30]} Ng6 {[%emt 0:00:30]} 12. Rad1 {[%emt 0:00:30]} f5 {[%emt 0:00:30]} 13. Rfe1 {[%emt 0:00:30]} Qe7 {[%emt 0:00:30]} 14. Bb1 {[%emt 0:00:30]} Rae8 {[%emt 0:00:30]} 15. d5 {[%emt 0:00:30]} e5 {[%emt 0:00:30] Against Nd4} 16. Nb5 {[%emt 0:00:30]} Nc5 {[%emt 0:00:30]} 17. b4 {[%emt 0:00:30]} axb4 {[%emt 0:00:30]} 18. axb4 {[%emt 0:00:30]} Na6 {[%emt 0:00:30]} 19. Qb2 {[%emt 0:00:30]} Bc8 {[%emt 0:00:30]} 20. Na7 {[%emt 0:00:30]} Bd7 {[%emt 0:00:30]} 21. Qa3 {[%emt 0:00:30]} Nb8 {[%emt 0:00:30]} 22. Ba2 {[%emt 0:00:30]} ({Better is} 22. Qa2 $11) 22... f4 {[%emt 0:00:30]} ({Black should play} 22... e4 $1 $15 23. Nd4 Qg5) 23. c5 {[%emt 0:00:30]} (23. Bb1 $11) 23... Kh8 {[%emt 0:00:30]} (23... bxc5 $15 24. bxc5 Bg4) 24. cxb6 {[%emt 0:00:30]} cxb6 {[%emt 0:00:30]} 25. b5 $2 {[%emt 0:00:30][%mdl 8192] [#]} (25. e4 $11 {and White stays safe.}) 25... Bg4 $1 $19 {[%emt 0:00:30] And now ...Bxf3 would win.} 26. e4 {[%emt 0:00:30]} Bxf3 {[%emt 0:00:30]} 27. gxf3 {[%emt 0:00:30]} Nd7 {[%emt 0:00:30][%cal Bb8d7,Bd7c5,Bc5e4][%mdl 32]} ({Don't blunder} 27... Qg5+ $2 28. Kf1 Nd7 29. Ra1 $19) 28. Nc6 {[%emt 0:00:30]} (28. Kh1 $142 Ra8 29. Bc4) 28... Qg5+ {[%emt 0:00:30]} 29. Kf1 {[%emt 0:00:30]} Ra8 {[%emt 0:00:30]} 30. Qb2 {[%emt 0:00:30]} Nh4 {[%emt 0:00:30]} 31. Ke2 {[%emt 0:00:30]} Qh5 {[%emt 0:00:30]} 32. Rd3 {[%emt 0:00:30]} Nc5 {[%emt 0:00:30][%csl LRd3,LRe4]} 33. Ra3 {[%emt 0:00:30]} Nxe4 {[%emt 0:00:30] [#] aiming for ...Rxa3. Pair of Knights!} 34. Kd1 {[%emt 0:00:30]} Nc5 {[%emt 0:00:30]} 35. Bc4 {[%emt 0:00:30]} Rxa3 {[%emt 0:00:30]} 36. Qxa3 {[%emt 0:00:30]} Qxf3+ {[%emt 0:00:30] Weighted Error Value: White=0.58/Black=0.13 (very precise)} 0-1

[Event "13th Chennai Open 2022"]
[Site "Chennai"]
[Date "2022.06.20"]
[Round "1.6"]
[White "Stupak, Kirill"]
[Black "Madhesh Kumar S"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "2440"]
[BlackElo "1461"]
[Annotator "TA"]
[PlyCount "95"]
[EventDate "2022.06.19"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 15,94,13,21,10,24,30,33,32,54,32,68,39,43,55,66,27,47,20,54,50,82,91,137,146,162,158,160,114,154,156,520,494,510,526,517,532,511,537,515,538,534,541,520,534,534,529,544,541,632,636,617,545,527,451,770,747,855,851,840,832,1011,1001,988,993,2663,2722,2397,2023,2451,1920,2208,1939,29990,29991,29996,29997,29997,29998,29998,29999,29999]} 1. d4 {[%emt 0:00:01]} d5 {[%emt 0:00:15]} 2. c4 {[%emt 0:00:06]} e6 {[%emt 0:00:04]} 3. Nf3 {[%emt 0:00:04]} Nf6 {[%emt 0:00:18]} 4. g3 {[%emt 0:00:03]} Bd6 {[%emt 0:01:12]} 5. Bg2 {[%emt 0:00:05]} b6 {[%emt 0:00:57]} 6. O-O {[%emt 0:00:25]} Bb7 {[%emt 0:00:40]} 7. cxd5 {[%emt 0:00:05]} exd5 {[%emt 0:00:13]} 8. Nc3 {[%emt 0:00:03]} O-O $1 {[%emt 0:00:13] The main line 8...0-0 scores better than 8...a6.} 9. Nb5 {[%emt 0:01:13] D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4.} Ne4 {[%emt 0:01:12]} 10. Nxd6 {[%emt 0:00:10]} Qxd6 {[%emt 0:00:15]} 11. Bf4 {[%emt 0:00:02] White is slightly better.} Qe7 {[%emt 0:01:39]} 12. Rc1 {[%emt 0:00:04]} c6 {[%emt 0:00:05]} 13. Ne5 {[%emt 0:00:41]} f6 {[%emt 0:00:14]} 14. Nd3 {[%emt 0:00:09]} Nd7 {[%emt 0:00:39] [#]} 15. Qb3 $146 {[%emt 0:00:35] next Nb4 is good for White.} ({Predecessor:} 15. b4 a5 16. b5 cxb5 17. Rc7 Ba6 18. Qb3 Qf7 19. Rxd7 Qxd7 20. Bxe4 Rfd8 21. Bf3 {½-½ (40) Bugalski,L (2084)-Szadkowski,K (2165) Lublin 2006}) 15... g5 {[%emt 0:10:00]} 16. Be3 {[%emt 0:00:19]} (16. f3 $5 {[%cal Rf3e4]} Nec5 17. dxc5 gxf4 18. Nxf4 $11) 16... Kh8 {[%emt 0:00:29]} 17. Nb4 {[%emt 0:03:09]} Rac8 {[%emt 0:01:34]} 18. Qa4 {[%emt 0:00:30][%csl LRa7,LRc6][%cal Rb4c6]} a6 {[%emt 0:05:59]} (18... b5 $142 19. Qxa7 Nd6) 19. Nxc6 $16 {[%emt 0:01:26]} Qe6 {[%emt 0:09:28][%cal Rc8c6]} 20. Nb4 {[%emt 0:00:32]} a5 {[%emt 1:05:04]} 21. Nd3 {[%emt 0:00:39]} (21. Bxe4 $142 {[%cal Oe4d3] Hoping for Bd3!} dxe4 22. d5 Bxd5 23. Rxc8 Rxc8 24. Nxd5 Qxd5 25. Rd1) 21... Bc6 {[%emt 0:00:00]} 22. Qb3 {[%emt 0:01:19]} Nd6 $2 {[%emt 0:00:00] [#] Black cannot hold the game after this.} (22... Ba8 $16 23. Rxc8 Rxc8) 23. Rxc6 $1 $18 {[%emt 0:00:23][%mdl 512]} Rxc6 {[%emt 0:00:00]} 24. Bxd5 {[%emt 0:00:03][%cal Bg2d5,Bd5e6,Be6d7][%mdl 32]} a4 {[%emt 0:00:00][%cal Oe6f5]} 25. Bxe6 {[%emt 0:00:27] This bishop pair is nice.} axb3 {[%emt 0:00:00]} 26. Bxd7 {[%emt 0:00:07]} Rc7 {[%emt 0:00:00]} 27. Be6 {[%emt 0:00:02]} bxa2 {[%emt 0:00:00]} 28. Bxa2 {[%emt 0:00:03]} Re8 {[%emt 0:00:00]} 29. Nb4 {[%emt 0:00:06]} Kg7 {[%emt 0:00:00]} 30. Bb3 {[%emt 0:00:19]} b5 {[%emt 0:00:00]} 31. Nd5 {[%emt 0:00:49]} Rcc8 {[%emt 0:00:00]} 32. Ra1 {[%emt 0:00:29]} Ra8 {[%emt 0:00:00]} 33. Rd1 {[%emt 0:00:09]} Rac8 {[%emt 0:00:00]} 34. Kf1 {[%emt 0:00:28]} Rcd8 {[%emt 0:00:00]} (34... Nc4 $142 35. Bc1 Re6) 35. Nc7 {[%emt 0:00:06]} Re7 {[%emt 0:00:00]} 36. Ne6+ {[%emt 0:00:04]} Rxe6 {[%emt 0:00:00]} 37. Bxe6 {[%emt 0:00:05]} h6 {[%emt 0:00:00]} 38. Ra1 {[%emt 0:00:14]} Kg6 {[%emt 0:00:00]} 39. Ra7 {[%emt 0:00:11]} Ne4 {[%emt 0:00:00]} 40. g4 {[%emt 0:00:14][%csl Gg4][%cal Re6f5]} Nd6 {[%emt 0:00:00] Prevents Bf5+.} 41. d5 {[%emt 0:00:08] Bc5 is the strong threat.} h5 {[%emt 0:00:00]} 42. h3 {[%emt 0:00:01] Black must now prevent Bc5.} hxg4 {[%emt 0:00:00]} 43. hxg4 {[%emt 0:00:01]} Kh6 {[%emt 0:00:00]} 44. Bc5 {[%emt 0:00:09] White mates.} Ne4 {[%emt 0:00:00] [#]} 45. Bf5 $1 {[%emt 0:00:04][%csl Gf5][%cal Ra7h7]} Nd2+ {[%emt 0:00:00]} 46. Kg2 {[%emt 0:00:03][%csl Gf5][%cal Ra7h7]} Rh8 {[%emt 0:00:00] [#]} 47. Bf8+ $1 {[%emt 0:00:03]} Rxf8 {[%emt 0:00:00]} 48. Rh7# {[%emt 0:00:02] Weighted Error Value: White=0.07 (flawless) /Black=0.31} 1-0

[Event "13th Chennai Open 2022"]
[Site "Chennai"]
[Date "2022.06.20"]
[Round "1.7"]
[White "Tarun K C"]
[Black "Ajay Karthikeyan"]
[Result "0-1"]
[ECO "E90"]
[WhiteElo "1363"]
[BlackElo "2436"]
[Annotator "TA"]
[PlyCount "84"]
[EventDate "2022.06.19"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 13,84,20,48,35,29,14,26,15,27,0,0,0,0,0,4,-103,-121,-100,0,-30,-20,-16,-15,-16,-20,-12,-22,-194,-186,-186,-175,-234,-241,-275,-269,-272,-273,-270,-273,-279,-275,-281,-264,-260,-263,-402,-268,-480,-471,-447,-492,-478,-440,-492,-478,-531,-516,-511,-504,-481,-481,-622,-616,-599,-552,-990,-971,-983,-991,-884,-904,-833,-747]} 1. d4 {[%emt 0:00:03]} Nf6 {[%emt 0:00:11]} 2. c4 {[%emt 0:00:06]} g6 {[%emt 0:00:58]} 3. Nc3 {[%emt 0:00:15]} Bg7 {[%emt 0:00:16]} 4. e4 {[%emt 0:00:23]} d6 {[%emt 0:00:05]} 5. h3 {[%emt 0:00:11]} O-O {[%emt 0:01:00]} 6. Be3 {[%emt 0:00:21]} Na6 {[%emt 0:00:51]} 7. Nf3 {[%emt 0:05:36]} c5 {[%emt 0:11:32]} 8. d5 {[%emt 0:01:32] E90: King's Indian: Classical: Early deviations and 6 h3.} e6 {[%emt 0:02:37] 8...e6 is better than 8...Nc7.} 9. Be2 {[%emt 0:04:23]} exd5 {[%emt 0:06:18]} 10. cxd5 {[%emt 0:03:30] White has an edge.} Nc7 {[%emt 0:01:50]} 11. O-O {[%emt 0:00:28]} Re8 {[%emt 0:03:03]} 12. Nd2 {[%emt 0:01:05]} b5 {[%emt 0:10:30][%cal Bb7b5,Bb5b4][%mdl 32]} 13. Qc2 {[%emt 0:11:47] [#]} Bd7 $146 {[%emt 0:05:16]} ({Predecessor:} 13... a6 14. a3 Rb8 15. b4 c4 16. Rad1 Na8 17. Nf3 Qe7 18. Nd4 Bb7 19. Bf3 Nc7 {1-0 (41) Da Silva,J (1762)-Santos Filho,T (2086) Florianopolis 2019}) 14. Bf4 {[%emt 0:01:57]} (14. a3 $11) 14... b4 $17 {[%emt 0:01:37]} 15. Nd1 {[%emt 0:03:14]} Bb5 {[%emt 0:13:21]} (15... Nfxd5 $17 16. Bxd6 Ne6 $1) 16. Bc4 {[%emt 0:01:34]} Bxc4 {[%emt 0:03:18]} 17. Qxc4 {[%emt 0:00:53]} Qe7 {[%emt 0:00:02][%cal Rf6e4]} 18. Bg5 $1 {[%emt 0:06:52]} h6 {[%emt 0:01:17]} 19. Bxf6 {[%emt 0:00:13]} Qxf6 {[%emt 0:00:06]} 20. Nf3 $2 {[%emt 0:01:15] [#] Inhibits Qd4. This costs White the game.} (20. Rb1 $11 {and White has nothing to worry.}) 20... Qf4 $1 $36 {[%emt 0:07:08][%mdl 2048] White is under strong pressure.} 21. Re1 {[%emt 0:04:19] [#]} f5 $1 {[%emt 0:00:15]} 22. Rb1 {[%emt 0:02:58]} (22. a3 {is a better defense.}) 22... Rxe4 {[%emt 0:01:21]} 23. Rxe4 {[%emt 0:00:10]} Qxe4 {[%emt 0:04:35]} 24. Qxe4 {[%emt 0:00:18]} fxe4 {[%emt 0:00:06]} 25. Nd2 {[%emt 0:00:20]} Nxd5 {[%emt 0:00:04]} 26. Nxe4 {[%emt 0:00:33]} Re8 {[%emt 0:02:20]} 27. f3 {[%emt 0:00:47]} Bd4+ {[%emt 0:00:04]} 28. Kf1 {[%emt 0:00:40]} Re6 {[%emt 0:02:01]} 29. b3 {[%emt 0:00:50]} (29. a3 $142) 29... Kf8 {[%emt 0:01:52]} 30. Ndf2 $2 {[%emt 0:01:01]} (30. Rc1 {was necessary.}) 30... Ne3+ {[%emt 0:02:07] Black is clearly winning.} 31. Kg1 {[%emt 0:00:54]} d5 {[%emt 0:19:59]} 32. Ng3 {[%emt 0:00:40]} Nf5 {[%emt 0:00:00]} 33. Nxf5 {[%emt 0:00:36]} gxf5 {[%emt 0:00:00][%mdl 4096] Endgame KRB-KRN} 34. Kf1 {[%emt 0:00:05] Against Re2} Ra6 {[%emt 0:00:00]} 35. Nd3 {[%emt 0:00:41]} Rxa2 {[%emt 0:00:00]} 36. Nf4 {[%emt 0:00:11]} Kf7 {[%emt 0:00:00] Against Ne6} 37. Rd1 {[%emt 0:02:18]} Rf2+ {[%emt 0:00:00]} 38. Ke1 {[%emt 0:00:30][%cal Od1d4] aiming for Rxd4!} Rb2 {[%emt 0:00:00]} 39. Rd3 {[%emt 0:00:53]} Bc3+ {[%emt 0:00:00]} 40. Kf1 {[%emt 0:03:58]} d4 {[%emt 0:00:00]} 41. Rd1 {[%emt 0:01:28]} Rxb3 {[%emt 0:00:00] Hoping for ...c4.} 42. Nd3 {[%emt 0:00:13]} Ra3 {[%emt 0:00:00] Weighted Error Value: White=0.48/Black=0.09 (flawless)} 0-1

[Event "13th Chennai Open 2022"]
[Site "Chennai"]
[Date "2022.06.20"]
[Round "1.8"]
[White "Nitin, S.."]
[Black "Ritwik Mallavarapu"]
[Result "1-0"]
[ECO "C62"]
[WhiteElo "2399"]
[BlackElo "1344"]
[Annotator "TA"]
[PlyCount "71"]
[EventDate "2022.06.19"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 12,71,41,12,21,20,24,36,56,41,49,44,41,66,54,31,49,51,80,-5,41,36,131,132,226,204,198,154,190,187,190,205,193,167,154,177,164,156,154,151,231,175,229,227,227,218,231,234,289,296,302,281,257,285,271,171,158,134,216,224,218,203]} 1. e4 {[%emt 0:00:30]} e5 {[%emt 0:00:30]} 2. Nf3 {[%emt 0:00:30]} Nc6 {[%emt 0:00:30]} 3. Nc3 {[%emt 0:00:30]} Nf6 {[%emt 0:00:30]} 4. Bb5 {[%emt 0:00:30]} d6 {[%emt 0:00:30]} 5. d4 {[%emt 0:00:30]} exd4 {[%emt 0:00:30]} 6. Nxd4 {[%emt 0:00:30]} Bd7 {[%emt 0:00:30]} 7. Bg5 {[%emt 0:00:30]} Be7 {[%emt 0:00:30][%cal Of6e4] C62: Ruy Lopez: Steinitz Defence.} 8. Qd2 {[%emt 0:00:30]} h6 {[%emt 0:00:30]} 9. Bf4 {[%emt 0:00:30]} a6 {[%emt 0:00:30] [#] White is slightly better.} 10. Bxc6 $146 {[%emt 0:00:30]} ({Predecessor:} 10. Nxc6 bxc6 11. Bc4 Be6 12. Bxe6 fxe6 13. O-O e5 14. Bg3 O-O 15. f4 Nh5 16. f5 Nxg3 17. hxg3 {0-1 (75) Konal,E (1353)-Ozeler,N (1639) Antalya 2018}) 10... bxc6 {[%emt 0:00:30]} 11. O-O-O {[%emt 0:00:30]} O-O {[%emt 0:00:30]} 12. f3 {[%emt 0:00:30]} Nh7 {[%emt 0:00:30]} 13. Be3 {[%emt 0:00:30]} Rb8 {[%emt 0:00:30]} 14. g4 {[%emt 0:00:30][%cal Oh2h4]} c5 {[%emt 0:00:30]} 15. Nde2 {[%emt 0:00:30] White is more active.} (15. Nf5 $16) 15... Bf6 {[%emt 0:00:30]} (15... Re8 $11) 16. Qe1 $14 {[%emt 0:00:30]} Qc8 {[%emt 0:00:30] [#]} ({Black should play} 16... Bb5 $14) 17. h4 $1 $16 {[%emt 0:00:30][%cal Og4g5]} Be7 {[%emt 0:00:30] Inhibits g5.} (17... Qb7 18. b3 $16) (17... Be5 $16 {is a better defense.}) 18. Nd5 {[%emt 0:00:30]} Re8 {[%emt 0:00:30]} 19. Ng3 {[%emt 0:00:30][%cal Og4g5] Black must now prevent g5!} Be6 {[%emt 0:00:30]} ({Less strong is} 19... Qb7 20. b3 $16) 20. Nxe7+ {[%emt 0:00:30]} Rxe7 {[%emt 0:00:30]} 21. g5 {[%emt 0:00:30][%cal Bg4g5,Bg5h6][%mdl 32]} Qb7 {[%emt 0:00:30]} 22. Qc3 {[%emt 0:00:30] [#] And now Nh5 would win.} Qb4 {[%emt 0:00:30]} 23. Qxb4 {[%emt 0:00:30]} ({Don't take} 23. gxh6 $6 Qxc3 24. bxc3 g6 $14) 23... cxb4 {[%emt 0:00:30]} 24. gxh6 {[%emt 0:00:30]} g6 {[%emt 0:00:30]} 25. Rhg1 {[%emt 0:00:30]} f6 {[%emt 0:00:30]} (25... Rb5 $16 26. Ne2 Nf8) 26. Ne2 {[%emt 0:00:30][%cal Bg3e2,Be2f4,Bf4d3,Bd3e5][%mdl 32]} Kf7 {[%emt 0:00:30]} (26... Nf8 $142 27. Bd4 Rh7) 27. Nf4 $18 {[%emt 0:00:30]} Rg8 {[%emt 0:00:30]} 28. Rd2 {[%emt 0:00:30]} g5 {[%emt 0:00:30]} 29. Rdg2 {[%emt 0:00:30]} Ree8 {[%emt 0:00:30]} (29... gxf4 $2 30. Rxg8 Bxa2 31. Bxf4 $18) 30. Nd3 {[%emt 0:00:30]} c5 {[%emt 0:00:30]} 31. hxg5 {[%emt 0:00:30]} fxg5 {[%emt 0:00:30]} 32. f4 {[%emt 0:00:30][%cal Rf4g5]} g4 {[%emt 0:00:30]} 33. Bd2 {[%emt 0:00:30]} Nf6 {[%emt 0:00:30] White is clearly better.} 34. e5 {[%emt 0:00:30]} dxe5 {[%emt 0:00:30]} (34... Nd7 $16 {was called for.} 35. exd6 Bf5) 35. Nxe5+ {[%emt 0:00:30]} Ke7 {[%emt 0:00:30]} 36. Be3 {[%emt 0:00:30] Weighted Error Value: White=0.16 (very precise) /Black=0.23 (precise)} 1-0

[Event "13th Chennai Open 2022"]
[Site "Chennai"]
[Date "2022.06.20"]
[Round "1.9"]
[White "Tarun N"]
[Black "Srihari L R"]
[Result "0-1"]
[ECO "A41"]
[WhiteElo "1403"]
[BlackElo "2404"]
[Annotator "TA"]
[PlyCount "110"]
[EventDate "2022.06.19"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 9,109,14,28,15,28,14,24,20,2,0,0,0,27,-15,0,-14,-10,-19,44,-48,-39,-98,-89,-117,-72,-113,-110,-95,-119,-130,-112,-261,-266,-270,-254,-255,-257,-433,-438,-449,-435,-428,-433,-396,-341,-325,-262,-259,-266,-268,-271,-261,-256,-546,-246,-241,-58,-340,-333,-474,-472,-526,-431,-408,-321,-432,-373,-684,-684,-672,-669,-660,-652,-635,-504,-614,-433,-501,-483,-737,-477,-1370,-1344,-1097,-968,-29940,-6379,-5422,-10539,-5945,-5579,-29977,-29978,-29982,-29979,-29978,-29979,-29979,-29980,-29993,-29994,-29999]} 1. d4 {[%emt 0:00:05]} d6 {[%emt 0:00:11]} 2. c4 {[%emt 0:00:07]} e5 {[%emt 0:00:04]} 3. d5 {[%emt 0:01:14]} g6 {[%emt 0:00:21]} 4. Nc3 {[%emt 0:01:05]} Bg7 {[%emt 0:00:02]} 5. g3 {[%emt 0:03:26]} Nd7 {[%emt 0:01:48]} 6. Bg2 {[%emt 0:02:56] A41: 1 d4 d6: Tartakower System and Modern Defence.} Nh6 {[%emt 0:01:15]} 7. e4 {[%emt 0:03:08]} O-O {[%emt 0:00:42]} 8. Nf3 {[%emt 0:10:44] [#] White has an edge.} a5 $146 {[%emt 0:01:13]} ({Predecessor:} 8... f5 9. h4 f4 10. Ng5 Nf6 11. gxf4 exf4 12. Ne2 Nhg4 13. Qb3 Nh5 14. Bf3 Be5 {1-0 (40) Milos,G (2510)-Psakhis,L (2565) Palma de Mallorca 1989}) 9. h3 {[%emt 0:06:33]} f5 {[%emt 0:03:18]} 10. Bg5 {[%emt 0:03:35]} Nf6 {[%emt 0:00:20]} 11. Qd2 {[%emt 0:06:08]} (11. exf5 {with more complications.} Nxf5 12. g4 Nd4 13. Nxd4 exd4 14. Qxd4 h6 15. Bxf6 Qxf6 16. Qxf6 Bxf6 17. Nb5) 11... Nf7 {[%emt 0:01:42]} 12. exf5 {[%emt 0:08:35]} gxf5 {[%emt 0:01:07]} 13. O-O-O {[%emt 0:02:49]} Bd7 {[%emt 0:05:30]} (13... a4 $11) 14. h4 {[%emt 0:04:29]} ({Better is} 14. Be3 $1 $14) 14... a4 $15 {[%emt 0:10:35][%cal Ba5a4,Ba4a3][%mdl 32]} 15. h5 {[%emt 0:02:47]} ({White should try} 15. a3 $15) 15... h6 $17 {[%emt 0:02:40]} 16. Be3 {[%emt 0:00:40]} Ng4 {[%emt 0:01:09]} 17. Nh4 {[%emt 0:03:41]} a3 {[%emt 0:01:35]} 18. b3 {[%emt 0:01:45]} Qf6 {[%emt 0:00:10]} 19. Ng6 {[%emt 0:04:46]} Rfe8 {[%emt 0:01:29]} 20. Bf1 {[%emt 0:04:07] [#]} (20. Bh3 $17 {is a better defense.}) 20... f4 $1 $19 {[%emt 0:03:29]} 21. gxf4 {[%emt 0:01:55]} Nxe3 {[%emt 0:00:07][%mdl 64] Remove Defender} ({Stronger than} 21... exf4 22. Bd4 Qxd4 23. Qxd4 Bxd4 24. Rxd4 $15) 22. fxe3 {[%emt 0:02:00]} exf4 {[%emt 0:00:06][%mdl 64] Discovered Attack} 23. Qd4 {[%emt 0:01:08]} (23. exf4 Qxc3+ 24. Qxc3 Bxc3 25. Rg1) 23... Qg5 {[%emt 0:01:36]} 24. exf4 {[%emt 0:05:35]} Bxd4 {[%emt 0:00:08] This bishop pair is nice.} 25. fxg5 {[%emt 0:00:07]} Bxc3 {[%emt 0:00:07]} 26. gxh6 {[%emt 0:00:26]} Bb2+ {[%emt 0:00:13]} 27. Kd2 {[%emt 0:00:31]} Nxh6 {[%emt 0:00:12]} 28. Bd3 {[%emt 0:00:53]} Bf5 {[%emt 0:00:17]} 29. Rhg1 {[%emt 0:00:42]} Bxd3 {[%emt 0:00:41]} 30. Kxd3 {[%emt 0:01:07]} Kh7 {[%emt 0:00:01]} 31. Rd2 $2 {[%emt 0:01:41]} (31. Rdf1) 31... Rg8 {[%emt 0:01:13]} (31... Nf5 $142 32. Rgd1 Re3+ 33. Kc2 Kh6) 32. Rf2 {[%emt 0:00:52]} Rg7 $2 {[%emt 0:00:59]} (32... Rae8 $19 {And now ...Rg7 would win.} 33. Rf4 c6) 33. Rgf1 $2 {[%emt 0:02:22][%mdl 8192]} (33. Rf8 $1 $15 Rg8 34. Rgf1) 33... Ng4 {[%emt 0:00:26]} 34. Nf8+ {[%emt 0:02:17]} (34. Rf4 {was necessary.} Ne5+ 35. Nxe5 Bxe5 36. Rf7) 34... Kg8 {[%emt 0:00:44]} 35. Rf4 {[%emt 0:00:33]} Ne5+ {[%emt 0:00:05]} 36. Ke4 {[%emt 0:00:39]} Nd7 {[%emt 0:01:04]} 37. Ng6 {[%emt 0:05:02]} Re8+ {[%emt 0:02:36]} 38. Kf5 $2 {[%emt 0:00:46]} (38. Kd3) 38... Ne5 {[%emt 0:00:26]} 39. Kg5 {[%emt 0:01:52] [#] Strongly threatening Rf8+.} Nxg6 {[%emt 0:02:32]} 40. hxg6 {[%emt 0:00:09]} Rge7 {[%emt 0:00:05]} 41. Rf7 {[%emt 0:01:44]} Bg7 {[%emt 0:00:17]} 42. R1f2 {[%emt 0:00:46]} c6 {[%emt 0:00:06]} 43. dxc6 {[%emt 0:01:31]} bxc6 {[%emt 0:00:02]} 44. R7f5 {[%emt 0:00:20]} (44. Rxe7 $142 Rxe7 45. Rd2) 44... Re5 {[%emt 0:00:14]} 45. Rxe5 {[%emt 0:00:17]} (45. c5 $142 Rxc5 46. Rxc5 dxc5 47. Kh4) 45... dxe5 {[%emt 0:00:23][%cal Bd6e5,Be5e4,Be4e3][%mdl 4128] Endgame KRB-KR} 46. Re2 {[%emt 0:00:17]} e4 {[%emt 0:00:04]} 47. Re3 {[%emt 0:00:46]} Bd4 {[%emt 0:00:08]} 48. Re2 {[%emt 0:00:20]} c5 {[%emt 0:00:05] ( -> ...e3)} 49. Kf4 {[%emt 0:00:45]} e3 {[%emt 0:00:06] Threatens to win with ...Rf8+.} 50. Kf5 {[%emt 0:00:42]} Kg7 {[%emt 0:00:14] Black mates.} 51. Kg5 {[%emt 0:00:18]} Rf8 {[%emt 0:00:05]} 52. Rh2 {[%emt 0:00:15]} Rf2 {[%emt 0:00:22]} 53. Rh7+ {[%emt 0:00:07]} Kg8 {[%emt 0:00:06]} 54. Re7 {[%emt 0:00:30]} Bf6+ {[%emt 0:00:04]} 55. Kh6 {[%emt 0:00:41]} Rh2# {[%emt 0:00:05] Weighted Error Value: White=0.62/Black=0.35} 0-1

[Event "13th Chennai Open 2022"]
[Site "Chennai"]
[Date "2022.06.19"]
[Round "1.10"]
[White "Laxman, R.R."]
[Black "Rajesh, Anirudh"]
[Result "1/2-1/2"]
[ECO "D11"]
[WhiteElo "2420"]
[BlackElo "1575"]
[Annotator "TA"]
[PlyCount "69"]
[EventDate "2022.06.19"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 9,69,22,30,2,8,0,0,0,20,-20,19,27,33,6,0,2,37,0,0,0,0,0,0,-37,0,0,0,0,25,10,28,15,27,-14,0,-29,-20,-54,-14,-50,-42,-81,-85,-79,-91,-79,-10,-10,0,-12,0,-69,-45,-42,-41,-56,-45,-87,-87,-188,-171,-262]} 1. d4 {[%emt 0:00:03]} d5 {[%emt 0:00:09]} 2. Nf3 {[%emt 0:00:06]} Nf6 {[%emt 0:00:06]} 3. c4 {[%emt 0:00:05]} c6 {[%emt 0:00:03]} 4. e3 {[%emt 0:00:09]} Bg4 {[%emt 0:00:26]} 5. h3 {[%emt 0:00:46]} Bh5 {[%emt 0:00:07]} 6. cxd5 {[%emt 0:00:47] D11: Slav Defence: 3 Nf3 sidelines and 3...Nf6 4 e3 Bg4.} cxd5 {[%emt 0:00:03]} 7. Qb3 {[%emt 0:00:08]} Qc7 {[%emt 0:06:46]} 8. Nc3 {[%emt 0:00:34] The position is equal.} e6 {[%emt 0:01:04]} 9. Bd2 {[%emt 0:04:01] [#]} (9. g4 {keeps more tension.} Bg6 10. Ne5 a6 11. h4) 9... a6 $146 {[%emt 0:07:18]} ({Predecessor:} 9... Bxf3 10. gxf3 Be7 11. O-O-O Nc6 12. Kb1 a6 13. Na4 b5 14. Nc5 O-O 15. Rc1 Rfc8 {½-½ (45) Neale,M (2130)-Olano Aizpurua,J (2176) ICCF email 2016}) 10. Rc1 {[%emt 0:01:12][%cal Oc3d5] [#] Black must now prevent Nxd5!} Nc6 $1 {[%emt 0:00:33]} 11. g4 {[%emt 0:08:41]} (11. Ne5 $5) 11... Bg6 {[%emt 0:01:03]} 12. Ne5 {[%emt 0:00:17]} Bd6 {[%emt 0:08:35]} 13. Nxg6 {[%emt 0:00:45]} hxg6 {[%emt 0:00:22]} 14. g5 {[%emt 0:01:56]} Ng8 {[%emt 0:02:56][%cal Bf6g8,Bg8e7,Be7f5,Bf5h4,Bh4f3][%mdl 32]} 15. Bd3 {[%emt 0:04:25]} Nge7 {[%emt 0:02:54]} 16. Ne2 {[%emt 0:00:21][%cal Bc3e2,Be2g1,Bg1f3][%mdl 32]} Rd8 {[%emt 0:18:18]} 17. f4 {[%emt 0:00:46]} Nf5 {[%emt 0:06:13]} 18. Kf2 {[%emt 0:00:46]} Qd7 {[%emt 0:01:49]} 19. Ng1 {[%emt 0:02:21]} f6 {[%emt 0:01:04]} 20. Nf3 {[%emt 0:00:11]} Kf7 {[%emt 0:00:43]} 21. a3 {[%emt 0:01:02]} Nh4 {[%emt 0:01:27]} 22. Be2 {[%emt 0:02:19]} Nxf3 {[%emt 0:03:15]} 23. Bxf3 {[%emt 0:00:05]} Rh4 {[%emt 0:01:00]} 24. gxf6 {[%emt 0:01:56]} gxf6 {[%emt 0:00:19][%cal Bg7f6,Bf6f5][%mdl 32]} 25. Bg4 {[%emt 0:00:41]} Rdh8 {[%emt 0:01:35]} 26. Kg2 {[%emt 0:00:08]} f5 {[%emt 0:01:25]} 27. Bf3 {[%emt 0:00:02]} Rg8 {[%emt 0:07:24]} (27... R4h7 $17) 28. Be1 $11 {[%emt 0:00:42]} Rh7 {[%emt 0:00:16]} 29. h4 {[%emt 0:00:09]} Be7 {[%emt 0:00:40]} 30. Bg3 {[%emt 0:00:17]} (30. Rc2 $11) 30... Rgh8 $36 {[%emt 0:01:03][%cal Re7h4][%mdl 2048] Black fights for an advantage.} (30... Na5 $5 {[%cal Ra5b3]} 31. Qc3 Nc4 $11) 31. Rh3 {[%emt 0:00:02]} Na5 {[%emt 0:01:31]} 32. Qc3 {[%emt 0:02:49]} Nc4 {[%emt 0:02:31]} 33. Rch1 {[%emt 0:00:02]} Rc8 {[%emt 0:01:45][%cal Oc4a3]} 34. h5 {[%emt 0:00:39]} (34. Be2 $17) 34... g5 $19 {[%emt 0:00:23]} 35. Be2 {[%emt 1:08:47][%mdl 32768] Weighted Error Value: White=0.21 (precise) /Black=0.13 (very precise) . An unexpected result.} (35. fxg5 $142 Bxg5 36. Bf4 Bxf4 37. exf4) 1/2-1/2

[Event "13th Chennai Open 2022"]
[Site "Chennai"]
[Date "2022.06.20"]
[Round "2.1"]
[White "Savchenko, Boris"]
[Black "Mrithyunjay Mahadevan"]
[Result "1-0"]
[ECO "B51"]
[WhiteElo "2524"]
[BlackElo "1661"]
[Annotator "TA"]
[PlyCount "65"]
[EventDate "2022.06.19"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 9,65,23,33,33,27,22,19,23,41,38,58,42,63,20,32,4,41,45,51,47,55,48,54,53,62,61,70,59,58,47,60,13,35,0,37,35,168,192,252,182,389,389,572,575,562,551,616,453,876,814,2135,2142,2321,2256,2117,2017,1547,1128]} 1. e4 {[%emt 0:01:21]} c5 {[%emt 0:00:06]} 2. Nf3 {[%emt 0:00:08]} d6 {[%emt 0:00:08]} 3. Bb5+ {[%emt 0:00:34]} Nd7 {[%emt 0:00:14]} 4. O-O {[%emt 0:00:56]} a6 {[%emt 0:00:08]} 5. Bd3 {[%emt 0:00:25][%cal Bb5d3,Bd3c2,Bc2b3,Bb3c4][%mdl 32]} g6 {[%emt 0:10:00]} 6. c3 {[%emt 0:00:16] B51: Sicilian: Moscow Variation (3 Bb5+) without 3...Bd7.} Bg7 {[%emt 0:00:09]} 7. a4 {[%emt 0:01:12]} e5 {[%emt 0:09:48]} 8. Bc2 {[%emt 0:02:01] [#] The position is equal.} Qc7 $146 {[%emt 0:00:49]} ({Predecessor:} 8... Ne7 9. d4 O-O 10. d5 b6 11. Na3 h6 12. Nc4 Qc7 13. Qe2 f5 14. Nfd2 Rb8 {0-1 (42) Manukian,A (2196)-Hanley,C (2447) Chess.com INT 2021}) 9. d4 {[%emt 0:00:18]} Ne7 {[%emt 0:02:30]} 10. dxe5 {[%emt 0:03:02]} Nxe5 {[%emt 0:00:56]} 11. Nbd2 {[%emt 0:09:50]} O-O {[%emt 0:03:45]} 12. Bb3 {[%emt 0:03:48]} Rb8 {[%emt 0:03:33]} 13. Nxe5 {[%emt 0:02:57]} dxe5 {[%emt 0:00:51]} 14. a5 {[%emt 0:04:27]} Nc6 {[%emt 0:01:45]} 15. Nc4 $1 {[%emt 0:00:19]} Be6 {[%emt 0:00:22]} 16. Be3 {[%emt 0:01:36]} Bxc4 {[%emt 0:18:59]} 17. Bxc4 {[%emt 0:00:11]} Nxa5 {[%emt 0:00:07]} 18. Bd5 {[%emt 0:00:24] White is more active.} Rfd8 {[%emt 0:00:15]} 19. Qa4 {[%emt 0:11:43][%mdl 1024] Inhibits Nc4. White has compensation.} Nc6 {[%emt 0:00:25]} 20. Qc4 {[%emt 0:01:37]} (20. Bxc5 $14 Ne7 21. Bxe7 Qxe7 22. g3) 20... Bf8 $11 {[%emt 0:03:56]} 21. Kh1 {[%emt 0:12:43]} ({Wrong is} 21. Bxc5 $2 b5 22. Bxf7+ Qxf7 $17) 21... Rbc8 {[%emt 0:10:45]} 22. f4 {[%emt 0:03:49][%cal Bf2f4,Bf4f5][%mdl 32] Hoping for f5.} Rd7 {[%emt 0:04:31] [#] A mistake that costs the game.} (22... Bh6 $1 $14) 23. f5 $1 $18 {[%emt 0:00:53]} Kg7 {[%emt 0:03:38]} (23... Na5 {is a better defense.} 24. Rxa5 Qxa5) 24. Rf3 {[%emt 0:02:26] aiming for Raf1.} Nd8 $2 {[%emt 0:05:28]} (24... Nd4 {was necessary.}) 25. Raf1 {[%emt 0:03:30]} b5 {[%emt 0:03:51]} (25... Kg8 $142 26. fxg6 hxg6) 26. Qe2 {[%emt 0:00:21] White is clearly winning.} Rxd5 {[%emt 0:04:44]} 27. exd5 {[%emt 0:00:35]} Qd6 {[%emt 0:00:30]} 28. Bg5 {[%emt 0:01:25] [#] Strongly threatening fxg6.} Rc7 {[%emt 0:01:06]} (28... Kg8 $142 29. fxg6 hxg6 30. Bxd8 Rxd8 31. Rxf7 Qxd5) 29. Qe4 {[%emt 0:04:43]} Rd7 {[%emt 0:04:22]} 30. fxg6 {[%emt 0:00:49]} hxg6 {[%emt 0:00:12]} 31. Bf6+ {[%emt 0:00:08]} Kg8 {[%emt 0:00:12]} 32. Qh4 {[%emt 0:00:10][%csl Gf6][%cal Rh4h8]} Bg7 {[%emt 0:05:23] Inhibits Qh8+.} 33. Rh3 {[%emt 0:00:25] Weighted Error Value: White=0.17 (very precise) /Black=0.44} 1-0

[Event "13th Chennai Open 2022"]
[Site "Chennai"]
[Date "2022.06.20"]
[Round "2.2"]
[White "Anupam M Sreekumar"]
[Black "Fedorov, Alexei"]
[Result "0-1"]
[ECO "B30"]
[WhiteElo "1673"]
[BlackElo "2529"]
[Annotator "TA"]
[PlyCount "88"]
[EventDate "2022.06.19"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 9,88,17,24,16,0,-35,0,-12,0,-25,-27,-36,-22,-19,-15,-28,-4,-17,-30,-28,-19,-33,-9,-37,-25,-39,-24,-47,-42,-45,-55,-52,-49,-59,-53,-62,-68,-59,-60,-50,-33,-36,22,-43,-53,-62,-35,-82,-60,-60,-65,-51,-65,-98,-102,-97,-99,-126,-118,-137,-108,-107,-94,-249,-249,-289,-285,-708,-723,-856,-587,-551,-502,-469,-425,-632,-590,-1739,-1137,-29997,-345]} 1. e4 {[%emt 0:00:07]} c5 {[%emt 0:00:04]} 2. Nf3 {[%emt 0:00:09]} Nc6 {[%emt 0:00:06]} 3. Bb5 {[%emt 0:00:20]} e6 {[%emt 0:00:04]} 4. O-O {[%emt 0:00:28]} Nge7 {[%emt 0:00:05]} 5. Re1 {[%emt 0:01:07]} Ng6 {[%emt 0:05:38]} 6. d4 {[%emt 0:10:06] B30: Sicilian: 2...Nc6 3 Bb5, lines without ...g6.} cxd4 {[%emt 0:00:22]} 7. Bxc6 {[%emt 0:02:38]} bxc6 {[%emt 0:04:19]} 8. Qxd4 {[%emt 0:01:15] The position is equal.} Qb6 {[%emt 0:07:35] [#]} 9. Qxb6 $146 {[%emt 0:10:39]} ({Predecessor:} 9. Be3 Qxd4 10. Bxd4 f6 11. e5 c5 12. Bc3 Bb7 13. Nbd2 Kf7 14. Rad1 Bd5 15. b3 {0-1 (69) Derraugh,G (2169)-Weetik,V (2423) Chess.com INT 2020}) 9... axb6 {[%emt 0:00:03]} 10. Be3 {[%emt 0:03:20]} Ra6 {[%emt 0:02:18]} 11. c4 {[%emt 0:05:18]} Be7 {[%emt 0:02:26]} 12. Nc3 {[%emt 0:02:11]} O-O {[%emt 0:00:12]} 13. a3 {[%emt 0:01:48]} Bb7 {[%emt 0:03:00]} 14. Rad1 {[%emt 0:02:14]} d6 {[%emt 0:02:18]} 15. h3 {[%emt 0:09:33]} c5 {[%emt 0:00:56]} 16. Bc1 {[%emt 0:07:20]} Bc6 {[%emt 0:06:23]} 17. Rd3 {[%emt 0:06:34]} Rd8 {[%emt 0:02:17]} 18. Kh2 {[%emt 0:02:42]} Ra7 {[%emt 0:00:49]} 19. Red1 {[%emt 0:02:27]} Rad7 {[%emt 0:00:35]} 20. b3 {[%emt 0:01:32]} h6 {[%emt 0:04:22]} 21. Re1 {[%emt 0:04:56]} Bf6 {[%emt 0:00:47]} 22. Bb2 {[%emt 0:24:46]} Nf4 {[%emt 0:12:48]} 23. Rd2 {[%emt 0:00:00]} Bxc3 {[%emt 0:05:00]} 24. Bxc3 {[%emt 0:00:00]} e5 {[%emt 0:00:39]} 25. b4 {[%emt 0:00:00]} f6 {[%emt 0:08:00]} ({Black should try} 25... Ba4 $15) 26. Nh4 {[%emt 0:00:00]} (26. b5 $11 Bb7 27. a4) 26... Ra8 $15 {[%emt 0:06:59]} 27. Bb2 {[%emt 0:00:00]} Ra4 {[%emt 0:11:01] Black is more active.} 28. b5 {[%emt 0:00:00]} (28. Nf5 $15 {might be stronger.}) 28... Ba8 {[%emt 0:01:54]} 29. Nf5 {[%emt 0:00:00]} Rxc4 {[%emt 0:00:23]} 30. Nxd6 {[%emt 0:00:00]} ({Avoid the trap} 30. Rxd6 $2 Rxd6 31. Nxd6 Rc2 $19) 30... Ra4 {[%emt 0:00:43][%cal Bc4a4,Ba4a5,Ba5a3][%mdl 32]} 31. Red1 {[%emt 0:00:00]} Rd8 {[%emt 0:01:20] Inhibits Nc8.} 32. f3 {[%emt 0:00:00] Hoping for Nf5.} Ne6 {[%emt 0:13:04]} 33. Nf5 {[%emt 0:05:30] [#]} Nd4 $1 {[%emt 0:00:00]} 34. Kg3 {[%emt 0:00:00]} Ra5 {[%emt 0:00:00]} 35. Bxd4 {[%emt 0:00:00]} exd4 {[%emt 0:00:00]} 36. Rb2 $2 {[%emt 0:00:27] This move loses the game for White.} (36. Nxd4 $17 Rxd4 37. Rxd4 cxd4 38. Rxd4) 36... Rxa3 $19 {[%emt 0:00:00]} 37. Kf4 {[%emt 0:00:25]} Kf7 {[%emt 0:02:30]} 38. e5 $2 {[%emt 0:00:47]} (38. h4) 38... fxe5+ {[%emt 0:00:00]} 39. Kxe5 {[%emt 0:01:21]} Rd5+ {[%emt 0:00:00]} 40. Kf4 {[%emt 0:00:00]} Kf6 {[%emt 0:00:00]} 41. Ng3 {[%emt 0:00:00]} Re5 {[%emt 0:00:00]} 42. Rbb1 {[%emt 0:00:29]} (42. Nf1 $142) 42... Bd5 {[%emt 0:00:00] [#] ...g5+ is the strong threat.} 43. Ne4+ {[%emt 0:00:51]} Bxe4 {[%emt 0:00:00]} 44. fxe4 {[%emt 0:00:07]} g5+ {[%emt 0:00:00] Weighted Error Value: White=0.64/Black=0.28 (precise)} 0-1

[Event "13th Chennai Open 2022"]
[Site "Chennai"]
[Date "2022.06.20"]
[Round "2.3"]
[White "Tran, Tuan Minh"]
[Black "Kanishka S"]
[Result "1/2-1/2"]
[ECO "A14"]
[WhiteElo "2533"]
[BlackElo "1723"]
[Annotator "TA"]
[PlyCount "110"]
[EventDate "2022.06.19"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 14,110,14,-15,-12,-27,0,-22,8,5,26,15,16,10,25,14,37,0,9,8,17,30,47,32,49,41,49,32,85,63,47,31,81,50,66,39,27,17,16,-22,-16,-98,-87,-94,-95,-100,-55,-113,-122,-142,-134,-157,-135,-153,-30,-32,-13,-31,-35,-45,-31,-31,-31,-31,-31,-40,0,0,0,-8,19,-37,0,0,0,0,0,0,0,0,0,0,29,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. Nf3 {[%emt 0:00:30]} d5 {[%emt 0:00:21]} 2. c4 {[%emt 0:00:10]} e6 {[%emt 0:00:17]} 3. g3 {[%emt 0:00:12]} Nf6 {[%emt 0:00:08]} 4. Bg2 {[%emt 0:00:05]} Be7 {[%emt 0:00:08]} 5. O-O {[%emt 0:00:06]} O-O {[%emt 0:00:13]} 6. b3 {[%emt 0:00:13]} b6 {[%emt 0:00:50] 6...d4 is the modern continuation.} 7. Bb2 {[%emt 0:00:09]} Bb7 {[%emt 0:00:12]} 8. Qc2 {[%emt 0:00:34]} c5 {[%emt 0:01:01] A14: English Opening: 1...e6 with b3 by White.} 9. cxd5 {[%emt 0:01:34]} Nxd5 {[%emt 0:03:46]} 10. a3 {[%emt 0:00:37]} Nd7 {[%emt 0:03:23]} 11. Rd1 {[%emt 0:02:11] [#]} Qc7 $146 {[%emt 0:04:29]} ({Predecessor:} 11... Rc8 12. d3 Bf6 13. Nbd2 Bxb2 14. Qxb2 b5 15. Ne4 Qe7 16. Ne5 Rc7 17. Rac1 Rfc8 {1-0 (60) Bornholdt,J (1890)-Gillmeister,G (1599) Magdeburg 2019}) 12. d3 {[%emt 0:01:26]} Rac8 {[%emt 0:01:11]} 13. Nbd2 {[%emt 0:00:08]} Qb8 {[%emt 0:03:07]} 14. Rac1 {[%emt 0:03:31]} Rfd8 {[%emt 0:02:29]} 15. Qb1 {[%emt 0:00:16]} (15. e4 $5 {[%cal Re4d5]} N5f6 16. Nc4 $11) 15... Qa8 {[%emt 0:00:41]} 16. Nc4 {[%emt 0:02:22]} N5f6 {[%emt 0:14:13]} 17. b4 {[%emt 0:00:45]} cxb4 {[%emt 0:04:11]} 18. axb4 {[%emt 0:00:10]} Nd5 {[%emt 0:00:43]} 19. b5 {[%emt 0:02:16]} N5f6 {[%emt 0:15:18]} 20. Qa2 {[%emt 0:03:30]} Nc5 {[%emt 0:05:39]} (20... a6 $14) 21. Ba3 {[%emt 0:06:01] Threatens to win with d4.} Bf8 {[%emt 0:07:08][%cal Oc5d3]} 22. d4 {[%emt 0:13:10]} Nce4 {[%emt 0:00:13]} (22... Ncd7 $14) 23. Bxf8 {[%emt 0:00:07]} Rxf8 {[%emt 0:02:55]} 24. Nfe5 {[%emt 0:00:49] Hoping for f3.} (24. Qa3 $5 {[%cal Rf3e5]}) 24... Bd5 {[%emt 0:08:16][%cal Oe4f2]} 25. Bf3 {[%emt 0:09:01]} Rc7 $1 {[%emt 0:08:45]} 26. Qa3 {[%emt 0:02:30][%cal Oe5c6]} Rfc8 {[%emt 0:01:08][%cal Rd5c4]} 27. Nc6 {[%emt 0:26:03]} (27. Qa4 $1 $11) 27... Bxc6 $17 {[%emt 0:04:01]} 28. bxc6 {[%emt 0:00:17]} Qxc6 {[%emt 0:01:03]} 29. Kg2 {[%emt 0:00:36]} b5 {[%emt 0:03:09]} 30. Ne5 {[%emt 0:02:44] [#]} (30. Nd2 $1 $15 Qd6 31. Qxd6 Nxd6 32. Ra1) 30... Qb6 $1 {[%emt 0:01:25]} (30... Qxc1 $6 31. Rxc1 Rxc1 32. Qxa7 $14) 31. Rxc7 {[%emt 0:23:57]} Rxc7 {[%emt 0:00:05]} (31... Qxc7 32. Ra1 $11) 32. Bxe4 {[%emt 0:00:00]} Nxe4 {[%emt 0:00:09]} 33. Qf3 {[%emt 0:00:00] [#]} Qb7 {[%emt 0:02:18]} (33... f5 $1 $17 {aiming for ...a5.} 34. Qb3 Nc3) 34. d5 $1 $11 {[%emt 0:00:00]} Ng5 {[%emt 0:03:13]} (34... Nc3 $2 35. d6 Qxf3+ 36. Kxf3 $18) 35. Qf4 {[%emt 0:00:00]} f6 {[%emt 0:00:57]} 36. h4 {[%emt 0:00:00] [#]} exd5 $1 {[%emt 0:00:27] ...Ne6 is the strong threat.} 37. hxg5 {[%emt 0:00:00]} fxe5 {[%emt 0:00:02]} 38. Qxe5 $15 {[%emt 0:00:00][%cal Re5e8][%mdl 4096] Endgame KQR-KQR} Re7 {[%emt 0:00:14] Prevents Qe8+.} 39. Qd6 {[%emt 0:00:00]} ({Avoid the trap} 39. Qxd5+ $2 Qxd5+ 40. Rxd5 Rb7 $19) 39... Qd7 {[%emt 0:00:58]} (39... d4+ $5 40. Kh2 Qd7 $17) 40. Qc5 {[%emt 0:00:00]} Rxe2 {[%emt 0:00:59]} 41. Rxd5 {[%emt 0:00:08]} Qb7 {[%emt 0:00:14]} 42. Qd4 {[%emt 0:04:20] Against Rd2} (42. Kf1 $11 Re8 43. Qxb5 Qxb5+ 44. Rxb5) 42... Re8 {[%emt 0:00:17]} 43. Kh2 {[%emt 0:00:06]} Rf8 {[%emt 0:01:04]} 44. f4 {[%emt 0:00:46] And now Rd7 would win.} Qc6 {[%emt 0:00:28]} 45. Rc5 {[%emt 0:00:44]} Qe6 {[%emt 0:00:11]} 46. Re5 {[%emt 0:00:36] Active counter play!} Qa2+ {[%emt 0:00:13]} 47. Kh3 {[%emt 0:00:07]} Qb1 {[%emt 0:00:37] Strongly threatening ...Qh1+.} 48. Qd5+ {[%emt 0:01:07]} (48. Re7 $5 Qg6 49. Qd5+ (49. Qxa7 Re8 $11) (49. Rxa7 Qh5+ 50. Kg2 Qe2+ 51. Qf2 Qe4+ 52. Qf3 Qc4 $11) 49... Kh8 50. Qxb5 $14) 48... Kh8 {[%emt 0:00:00] The position is equal.} 49. Qxb5 {[%emt 0:00:33]} Qh1+ {[%emt 0:00:07]} 50. Kg4 {[%emt 0:00:04]} g6 {[%emt 0:01:08][%csl Gg6][%cal Rh1h5]} 51. f5 {[%emt 0:00:27]} gxf5+ {[%emt 0:00:33]} 52. Rxf5 {[%emt 0:00:08]} Qd1+ {[%emt 0:00:24]} 53. Kh4 {[%emt 0:00:22] White threatens Qe5+ and mate.} Qh1+ {[%emt 0:00:07]} 54. Kg4 {[%emt 0:00:01] White wants to mate with Qe5+.} Qd1+ {[%emt 0:00:06]} 55. Kh4 {[%emt 0:00:06] Qe5+ would kill now.} Qh1+ {[%emt 0:02:46] Weighted Error Value: White=0.15 (very precise) /Black=0.14 (very precise)} 1/2-1/2

[Event "13th Chennai Open 2022"]
[Site "Chennai"]
[Date "2022.06.20"]
[Round "2.4"]
[White "Arora Honi"]
[Black "Aronyak Ghosh"]
[Result "0-1"]
[ECO "B13"]
[WhiteElo "1679"]
[BlackElo "2494"]
[Annotator "TA"]
[PlyCount "82"]
[EventDate "2022.06.19"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 20,82,26,12,20,0,0,0,0,0,22,2,17,-8,0,-25,-19,-52,-64,-56,-45,-62,-2,0,24,27,55,54,67,10,16,-43,-66,-82,-72,-67,-77,-61,-70,-210,-201,-210,-191,-190,-202,-199,-194,-190,-199,-190,-190,-238,-237,-237,-206,-286,-273,-1009,-947,-29985,-29986,-29985,-29986,-29987,-29988]} 1. d4 {[%emt 0:00:03]} d5 {[%emt 0:00:55]} 2. Bf4 {[%emt 0:00:08]} c5 {[%emt 0:02:43]} 3. e3 {[%emt 0:00:12]} Nc6 {[%emt 0:01:32]} 4. Nf3 {[%emt 0:00:08]} Bg4 {[%emt 0:03:42]} 5. Nbd2 {[%emt 0:06:15]} e6 {[%emt 0:01:18]} 6. c3 {[%emt 0:00:27]} cxd4 {[%emt 0:02:20]} 7. exd4 {[%emt 0:00:41]} Bd6 {[%emt 0:00:10]} 8. Bxd6 {[%emt 0:04:15]} Qxd6 {[%emt 0:00:02]} 9. Bd3 {[%emt 0:02:31]} Nf6 {[%emt 0:00:41]} 10. O-O {[%emt 0:03:32]} O-O {[%emt 0:00:07]} 11. Qb3 {[%emt 0:03:24]} Rab8 {[%emt 0:08:45] B13: Caro-Kann: Exchange Variation and Panov-Botvinnik Attack.} 12. Rae1 {[%emt 0:04:13]} Bxf3 {[%emt 0:01:56]} 13. Nxf3 {[%emt 0:00:38]} b5 {[%emt 0:00:17] The position is equal.} 14. a3 {[%emt 0:06:38]} (14. Bxb5 $2 a6 15. Qc2 Rxb5 $19) 14... Nd7 {[%emt 0:04:50]} 15. Re3 {[%emt 0:05:19] [#]} ({But not} 15. Bxb5 $2 a6 16. a4 axb5 17. axb5 Na7 $19) 15... h6 $146 {[%emt 0:00:46]} ({Predecessor:} 15... Na5 16. Qc2 Nc4 17. Bxc4 bxc4 18. Ng5 Nf6 19. Rf3 h6 20. Rxf6 hxg5 21. Rf3 Rb7 22. Rh3 g6 23. Rg3 Rfb8 24. Rb1 Qxa3 25. Rxg5 Rxb2 26. Rxg6+ Kf8 {0-1 (26) Krstulovic,A (2395)-Jobava,B (2588) Chess.com INT 2022}) 16. Rfe1 {[%emt 0:02:08]} ({Avoid the trap} 16. Bxb5 $2 a6 17. a4 axb5 18. axb5 Na5 $19) 16... a5 {[%emt 0:05:16]} 17. Bb1 {[%emt 0:08:56]} Rfc8 {[%emt 0:02:49][%cal Bf8c8,Bc8c4,Bc4f4][%mdl 32]} 18. Ne5 {[%emt 0:02:28]} Ncxe5 {[%emt 0:05:21]} 19. dxe5 {[%emt 0:00:19]} Qe7 {[%emt 0:00:52]} 20. Rg3 {[%emt 0:03:19]} Nf8 {[%emt 0:05:55]} ({Black should try} 20... b4 $1 $15) 21. Qd1 {[%emt 0:03:24]} Rc4 {[%emt 0:04:14]} 22. Bd3 {[%emt 0:10:56]} Rf4 {[%emt 0:05:48]} 23. Qd2 {[%emt 0:03:34]} Qh4 {[%emt 0:00:47]} 24. Rh3 {[%emt 0:05:48]} (24. Rge3 $14) 24... Qg5 $11 {[%emt 0:00:05] [#]} 25. g3 {[%emt 0:07:03] [#]} (25. Rh5 $1 $11 Qxh5 26. Qxf4) 25... Re4 $1 $15 {[%emt 0:02:59]} 26. f4 {[%emt 0:00:08]} (26. Qd1 Rxe1+) 26... Rxe1+ {[%emt 0:00:08]} 27. Qxe1 {[%emt 0:00:07]} Qd8 {[%emt 0:02:18]} 28. g4 {[%emt 0:03:23]} d4 {[%emt 0:02:53]} 29. Qg3 {[%emt 0:03:46] White does not recover from this.} ({Better is} 29. cxd4 $15 Qxd4+ 30. Qf2) 29... dxc3 $19 {[%emt 0:00:29]} 30. bxc3 {[%emt 0:00:08] [#]} b4 $1 {[%emt 0:02:20]} 31. axb4 {[%emt 0:05:13]} axb4 {[%emt 0:00:03]} 32. cxb4 {[%emt 0:01:32]} Rxb4 {[%emt 0:00:08] Threatens to win with ...Ng6.} 33. Qe3 {[%emt 0:00:52]} Ng6 {[%emt 0:01:03]} 34. Rf3 {[%emt 0:01:54] [#]} Nh4 $1 {[%emt 0:02:12]} 35. Rh3 {[%emt 0:00:38]} (35. Rf2 $142) 35... g5 {[%emt 0:04:48]} 36. fxg5 {[%emt 0:01:08]} hxg5 {[%emt 0:00:08]} ({Weaker is} 36... Rxg4+ 37. Rg3 Rxg5 38. Qf4 $17) 37. Rg3 {[%emt 0:01:14]} Rf4 {[%emt 0:00:31] Strongly threatening ...Qa8.} 38. Bc2 $2 {[%emt 0:01:21]} (38. h3) 38... Qa5 {[%emt 0:00:41] ( -> ...Qa1+)} 39. h3 {[%emt 0:00:42]} Qa1+ {[%emt 0:00:33] Black mates.} 40. Kh2 {[%emt 0:00:07]} Qf1 {[%emt 0:00:16]} 41. Qg1 {[%emt 0:01:30]} Qe2+ {[%emt 0:00:39] Weighted Error Value: White=0.74/Black=0.05 (flawless)} 0-1

[Event "13th Chennai Open 2022"]
[Site "Chennai"]
[Date "2022.06.20"]
[Round "2.5"]
[White "Deepan Chakkravarthy J."]
[Black "Ashwin Sairam"]
[Result "1-0"]
[ECO "A07"]
[WhiteElo "2478"]
[BlackElo "1670"]
[Annotator "TA"]
[PlyCount "65"]
[EventDate "2022.06.19"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 9,65,0,0,0,8,7,14,11,10,8,10,0,0,8,22,6,18,9,15,16,46,27,41,42,81,80,87,79,87,90,86,61,46,19,15,18,127,122,126,135,129,145,212,206,204,210,658,651,632,631,893,881,1015,1031,1022,1023,952,868]} 1. Nf3 {[%emt 0:00:23]} d5 {[%emt 0:00:11]} 2. g3 {[%emt 0:00:04]} Nf6 {[%emt 0:00:08]} 3. Bg2 {[%emt 0:00:04]} c6 {[%emt 0:00:18]} 4. O-O {[%emt 0:00:07]} Bg4 {[%emt 0:00:07]} 5. b3 {[%emt 0:01:14]} e6 {[%emt 0:06:36]} 6. Bb2 {[%emt 0:00:32] A07: Réti Opening: New York and Capablanca Systems.} Bd6 {[%emt 0:00:44]} 7. h3 {[%emt 0:00:55]} Bxf3 {[%emt 0:00:24]} 8. Bxf3 {[%emt 0:01:07] The position is equal.} O-O {[%emt 0:00:28]} 9. d3 {[%emt 0:00:22] [#]} e5 $146 {[%emt 0:01:54]} ({Predecessor:} 9... Nbd7 10. Nd2 Qb6 11. c4 Bxg3 12. e3 Bd6 13. cxd5 cxd5 14. Kh1 Rac8 15. Rc1 Qa6 16. d4 Qxa2 17. Rxc8 Rxc8 18. Qa1 Qxa1 19. Rxa1 {0-1 (34) Secondi,A (661)-Trevis,R (987) LSS email 2011}) 10. Nd2 {[%emt 0:00:07]} Nbd7 {[%emt 0:00:18]} 11. Bg2 {[%emt 0:02:03]} Qe7 {[%emt 0:00:30]} 12. a4 {[%emt 0:03:04]} a5 {[%emt 0:01:27]} 13. e4 {[%emt 0:00:24]} dxe4 {[%emt 0:13:26]} 14. dxe4 {[%emt 0:02:41]} Nc5 {[%emt 0:08:02]} 15. Qe2 {[%emt 0:12:50]} Rfe8 {[%emt 0:03:30]} 16. Rad1 {[%emt 0:04:52]} Rad8 {[%emt 0:02:58]} 17. Nc4 {[%emt 0:01:28]} Bc7 {[%emt 0:01:17]} 18. Ba3 {[%emt 0:01:18]} b6 {[%emt 0:04:09]} 19. Qe3 {[%emt 0:01:15][%cal Oc4a5]} Nfd7 {[%emt 0:02:40]} 20. h4 {[%emt 0:02:09] White is more active.} b5 $1 {[%emt 0:05:47]} 21. Nxa5 {[%emt 0:06:42]} Bxa5 {[%emt 0:01:32]} 22. b4 {[%emt 0:00:02]} Nxa4 {[%emt 0:02:13]} 23. bxa5 $16 {[%emt 0:00:03][%mdl 64] Discovered Attack} b4 {[%emt 0:00:07] [#]} 24. Qb3 $36 {[%emt 0:00:04][%csl LRa4,LRb4][%mdl 2048] White is in control.} bxa3 {[%emt 0:01:16]} 25. Qxa4 {[%emt 0:00:04]} Qc5 {[%emt 0:01:31]} (25... Ra8 $16 {keeps fighting.}) 26. Rd3 $18 {[%emt 0:59:36]} Nf6 {[%emt 0:02:40]} 27. Qxa3 {[%emt 0:00:00]} ({Don't take} 27. Rxa3 $6 Ra8 28. a6 Reb8) 27... Qxc2 {[%emt 0:01:19]} (27... Qxa3 28. Rxa3 Re7) 28. Rxd8 {[%emt 0:00:00] White is clearly winning.} Rxd8 {[%emt 0:00:05]} 29. a6 {[%emt 0:00:00][%cal Ba5a6,Ba6a7][%mdl 32]} Qd2 {[%emt 0:07:12]} 30. a7 {[%emt 0:00:00]} Ra8 {[%emt 0:00:03]} 31. Rb1 {[%emt 0:00:00] [#] White wants to mate with Rb8+.} Qd8 {[%emt 0:00:28] Inhibits Rb8.} 32. Rb7 {[%emt 0:00:00]} Qe8 {[%emt 0:12:06]} 33. Qd6 {[%emt 0:00:00] Weighted Error Value: White=0.03 (flawless) /Black=0.35} 1-0

[Event "13th Chennai Open 2022"]
[Site "Chennai"]
[Date "2022.06.20"]
[Round "2.6"]
[White "Shravan Swaminathan"]
[Black "Stupak, Kirill"]
[Result "0-1"]
[ECO "A48"]
[WhiteElo "1662"]
[BlackElo "2440"]
[Annotator "TA"]
[PlyCount "114"]
[EventDate "2022.06.19"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 9,114,0,18,-28,-40,-37,-25,-17,11,-25,0,0,0,12,8,17,18,-42,-42,-62,-63,-163,-160,-173,-161,-221,-204,-464,-458,-425,-444,-453,-427,-398,-262,-259,-259,-234,-199,-200,-191,-200,-188,-431,-425,-417,-412,-600,-351,-323,-254,-378,-287,-424,-405,-402,-408,-372,-376,-4814,-548,-645,-610,-662,-653,-576,-645,-636,-638,-608,-629,-596,-562,-579,-577,-779,-761,-743,-674,-810,-782,-757,-700,-29985,-29986,-29986,-29987,-29987,-29978,-29988,-29989,-29989,-29990,-29992,-29993,-29993,-29994,-29994,-29995,-29995,-29996,-29996,-29997,-29997,-29998,-29998,-29999]} 1. d4 {[%emt 0:00:05]} g6 {[%emt 0:00:22]} 2. Nf3 {[%emt 0:00:14]} Bg7 {[%emt 0:00:03]} 3. Bf4 {[%emt 0:00:19]} c5 {[%emt 0:01:16]} 4. e3 {[%emt 0:00:16]} Nf6 {[%emt 0:00:25]} 5. h3 {[%emt 0:00:31]} Qb6 {[%emt 1:30:54]} 6. b3 {[%emt 0:01:10] A48: 1 d4 Nf6 2 Nf3 g6: Torre, London and Colle Systems.} (6. Nc3 $142) 6... Nc6 $11 {[%emt 0:02:41]} 7. c3 {[%emt 0:00:28]} O-O {[%emt 0:00:42]} 8. Be2 {[%emt 0:00:42] Black has an edge.} d5 {[%emt 0:02:57]} 9. O-O {[%emt 0:01:13]} Bf5 {[%emt 0:00:09]} 10. Nbd2 {[%emt 0:03:03]} Rac8 {[%emt 0:02:38]} 11. Rc1 {[%emt 0:10:34]} cxd4 {[%emt 0:03:17]} 12. exd4 {[%emt 0:02:22] [#]} Rfd8 $146 {[%emt 0:02:27]} ({Predecessor:} 12... Nd8 13. a4 Ne6 14. Be3 Qc7 15. Re1 Nf4 16. Bf1 Nd3 17. Bxd3 Bxd3 18. c4 Bf5 {½-½ (53) Broniek,M (2485)-Badolati,S (2518) ICCF email 2019}) 13. Ne5 {[%emt 0:00:59]} (13. b4 $11) 13... Nxe5 $15 {[%emt 0:07:38]} 14. Bxe5 {[%emt 0:07:46]} Qa5 {[%emt 0:00:59]} 15. c4 {[%emt 0:02:09] Black converts the advantage convincingly.} (15. g4 $15 Bd7 16. c4) 15... Bh6 $19 {[%emt 0:02:22]} (15... Qxa2 16. g4 (16. Ra1 Qb2 $17) 16... Be6 17. f4 $15 (17. Ra1 Qb2 $17)) 16. f4 {[%emt 0:04:10] [#]} Nd7 $1 {[%emt 0:00:34]} ({Weaker is} 16... Qxa2 17. g4 (17. Ra1 $2 Qb2 $17) 17... Be6 18. g5 $11) 17. g4 {[%emt 0:08:53]} (17. cxd5 $142 Nxe5 18. dxe5) 17... Nxe5 {[%emt 0:02:08]} 18. dxe5 $2 {[%emt 0:02:50] [#]} (18. gxf5 Nc6 19. Bg4) 18... dxc4 $1 {[%emt 0:01:41]} 19. gxf5 {[%emt 0:52:16]} (19. Qe1 Rxd2) 19... Rxd2 {[%emt 0:00:35]} 20. Qe1 {[%emt 0:00:27]} Qb6+ {[%emt 0:02:34]} 21. Kh1 {[%emt 0:02:26]} Qe3 {[%emt 0:00:45]} 22. Bg4 {[%emt 0:01:44]} Qxe1 {[%emt 0:00:20]} ({Not} 22... Bxf4 23. Qxe3 Bxe3 24. fxg6 $14) 23. Rfxe1 {[%emt 0:07:14]} gxf5 {[%emt 0:00:39]} (23... Bxf4 24. fxg6 Rc6 25. gxf7+ Kf8 26. Rxc4 Rxc4 27. bxc4 $11) 24. Bxf5 {[%emt 0:00:09]} e6 {[%emt 0:00:04]} 25. Be4 {[%emt 0:38:13]} c3 {[%emt 0:00:31]} ({Inferior is} 25... Rxa2 26. Bxb7 Bxf4 27. Bxc8) 26. Bxb7 $2 {[%emt 0:03:32]} (26. Re3) 26... Rc7 {[%emt 0:01:52]} 27. Be4 {[%emt 0:10:00]} Bxf4 {[%emt 0:00:23] And now ...c2 would win.} 28. Bc2 {[%emt 0:00:45]} (28. Rc2 $142) 28... Rc5 {[%emt 0:02:35]} 29. Re4 {[%emt 0:02:06]} Bh6 {[%emt 0:05:40]} 30. Rh4 {[%emt 0:06:02]} (30. Rg1+ $142 Kf8 31. Rg2) 30... Bg7 {[%emt 0:00:01]} 31. Bxh7+ {[%emt 0:01:22]} (31. Rc4 $142 Rxc4 32. bxc4) 31... Kf8 {[%emt 0:56:10]} 32. Rc4 {[%emt 0:01:26]} Rxc4 {[%emt 0:00:22]} 33. bxc4 {[%emt 0:00:11]} Bxe5 {[%emt 0:00:02][%mdl 4096] Endgame Hoping for ...f5. KRB-KRB} 34. Rc2 $2 {[%emt 0:00:45]} (34. Bc2) 34... Rd1+ {[%emt 0:00:01]} (34... f5 $142 35. Rxc3 Bxc3) 35. Kg2 {[%emt 0:00:11]} f5 {[%emt 0:00:09] Against Be4} 36. Bg6 {[%emt 0:00:00]} Rd3 {[%emt 0:01:33]} 37. Bh5 {[%emt 0:00:00]} Rg3+ {[%emt 0:00:01]} 38. Kf2 {[%emt 0:00:00]} Rxh3 {[%emt 0:00:02] ( -> ...Rh2+)} 39. Bf3 {[%emt 0:00:00]} Bd4+ {[%emt 0:57:59]} 40. Kg2 {[%emt 0:00:00]} Rh7 {[%emt 0:00:02]} 41. c5 {[%emt 0:00:00]} Rc7 {[%emt 0:00:12]} 42. c6 {[%emt 0:00:00]} e5 {[%emt 0:00:08]} 43. Bd5 {[%emt 0:00:00]} Ke7 {[%emt 0:00:01]} 44. Kf3 {[%emt 0:00:00]} Kd6 {[%emt 0:00:03]} 45. Bb3 {[%emt 0:00:00]} Rg7 {[%emt 0:02:32] aiming for ...Rg4.} 46. Ba4 {[%emt 0:00:00]} e4+ {[%emt 0:00:02] Black mates.} 47. Ke2 {[%emt 0:00:00]} Rg2+ {[%emt 0:00:17]} 48. Kd1 {[%emt 0:00:00]} Rg1+ {[%emt 0:00:02]} 49. Ke2 {[%emt 0:00:00]} f4 {[%emt 0:00:02][%csl Ge4][%cal Rf4f3]} 50. Rxc3 {[%emt 0:07:30]} Bxc3 {[%emt 0:00:06]} 51. Bc2 {[%emt 0:00:00]} Rg2+ {[%emt 0:59:58]} 52. Kd1 {[%emt 0:00:00]} e3 {[%emt 0:00:02]} 53. Be4 {[%emt 0:00:00]} e2+ {[%emt 0:00:07]} 54. Kc2 {[%emt 0:00:00]} e1=Q+ {[%emt 1:01:09]} 55. Bxg2 {[%emt 0:00:00]} Qd2+ {[%emt 0:00:06]} 56. Kb3 {[%emt 0:00:00]} Kc5 {[%emt 0:00:04]} 57. c7 {[%emt 0:00:00]} Qb2+ {[%emt 0:00:03] Weighted Error Value: White=0.65/Black=0.37} 0-1

[Event "13th Chennai Open 2022"]
[Site "Chennai"]
[Date "2022.06.20"]
[Round "2.7"]
[White "Ajay Karthikeyan"]
[Black "Tejaswini G"]
[Result "1-0"]
[ECO "B90"]
[WhiteElo "2436"]
[BlackElo "1666"]
[Annotator "TA"]
[PlyCount "147"]
[EventDate "2022.06.19"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 13,146,8,14,4,97,92,84,86,89,92,89,92,104,90,122,116,118,114,108,100,98,106,116,49,175,158,163,180,175,151,149,158,181,158,142,147,293,294,263,286,287,288,264,253,293,285,275,245,245,223,225,182,233,241,307,246,308,308,306,300,293,292,295,293,314,324,314,319,307,217,217,217,427,441,424,422,411,314,650,513,552,439,643,654,644,611,652,635,535,447,447,404,406,290,447,290,432,358,960,432,624,450,7546,7625,6845,6851,6851,6851,6544,6544,5956,5835,6055,5925,5591,5591,29988,29989,29989,29990,29990,29991,29991,29992,29992,29993,29993,29994,29996,29997,29997,29998,29998,29999,29999]} 1. e4 {[%emt 0:00:03]} c5 {[%emt 0:00:22]} 2. Nf3 {[%emt 0:00:13]} d6 {[%emt 0:00:05]} 3. d4 {[%emt 0:00:11]} cxd4 {[%emt 0:00:07]} 4. Nxd4 {[%emt 0:00:05]} Nf6 {[%emt 0:00:09]} 5. Nc3 {[%emt 0:00:06]} a6 {[%emt 0:00:06]} 6. Rg1 {[%emt 0:02:11]} e5 {[%emt 0:00:12]} 7. Nb3 {[%emt 0:00:04]} Be6 {[%emt 0:06:44]} 8. g4 {[%emt 0:00:05][%cal Bg2g4,Bg4g5][%mdl 32] B90: Sicilian Najdorf: Unusual White 6th moves, 6 Be3 Ng4 and 6 Be3 e5.} Qc7 {[%emt 0:04:37]} (8... d5 $11 {keeps the balance.}) 9. g5 $16 {[%emt 0:02:40]} Nfd7 {[%emt 0:00:08]} 10. Be3 {[%emt 0:07:26] [#] White is better.} Be7 $146 {[%emt 0:02:46]} ({Predecessor:} 10... Nc6 11. Qd2 Rc8 12. Nd5 Bxd5 13. exd5 Ne7 14. c3 Nf5 15. O-O-O Be7 16. Bh3 Nh4 {0-1 (57) Djokic,M (1832)-Milosevic,M (2082) Kragujevac 2016}) 11. h4 {[%emt 0:09:06]} Nb6 {[%emt 0:03:34]} 12. Qd2 {[%emt 0:05:06]} N8d7 {[%emt 0:07:54]} 13. O-O-O {[%emt 0:03:03]} Nc4 {[%emt 0:05:39]} 14. Bxc4 {[%emt 0:01:06]} Qxc4 {[%emt 0:00:19]} 15. Na5 {[%emt 0:08:30][%csl LRb7,LRc4]} Qc7 {[%emt 0:02:01]} 16. Nd5 {[%emt 0:00:57]} Bxd5 {[%emt 0:00:10]} 17. Qxd5 {[%emt 0:00:09]} ({Much weaker is} 17. exd5 $6 O-O $11) 17... Rc8 {[%emt 0:00:15][%csl Gc8][%cal Rc7c2] [#]} 18. c3 {[%emt 0:01:04] White is much more active.} ({White should play} 18. Rd2 $1 $16) 18... b5 {[%emt 0:13:53] A mistake that costs the game.} (18... O-O $1 $14) 19. Nb7 $18 {[%emt 0:04:56]} b4 {[%emt 0:12:01]} 20. Nxd6+ {[%emt 0:03:43]} Bxd6 {[%emt 0:00:24]} 21. Qxd6 {[%emt 0:00:05]} bxc3 {[%emt 0:02:01] [#]} 22. b3 {[%emt 0:01:26]} c2 {[%emt 0:04:23]} 23. Rd5 {[%emt 0:04:16]} Qxd6 {[%emt 0:03:17]} 24. Rxd6 {[%emt 0:00:05]} Ra8 {[%emt 0:01:03]} (24... Nb8 $16 {keeps fighting.} 25. Rd2 Ke7) 25. Kxc2 {[%emt 0:00:44]} Ke7 {[%emt 0:00:09]} 26. Rgd1 {[%emt 0:01:45]} Rhc8+ {[%emt 0:00:08]} 27. Kb2 {[%emt 0:00:30]} Rc7 {[%emt 0:00:08]} 28. R6d5 {[%emt 0:02:17] Prevents Nc5.} a5 {[%emt 0:01:41]} 29. Bd2 {[%emt 0:05:44]} a4 {[%emt 0:05:15]} 30. Bb4+ {[%emt 0:04:07]} Ke8 {[%emt 0:00:09]} 31. bxa4 {[%emt 0:06:06]} Rxa4 {[%emt 0:01:55]} 32. a3 {[%emt 0:03:05]} Ra8 {[%emt 0:01:35]} (32... Ra6 {was called for.} 33. Rd6 Rxd6 34. Rxd6 (34. Bxd6 Rc6 $16) 34... Nf8) 33. h5 {[%emt 0:01:31][%cal Bh4h5,Bh5h6][%mdl 32]} Rac8 {[%emt 0:01:54]} 34. f3 {[%emt 0:00:37]} Ra8 {[%emt 0:01:27]} 35. h6 {[%emt 0:06:17]} g6 {[%emt 0:00:09]} 36. R1d3 {[%emt 0:02:24]} Ra6 {[%emt 0:01:54]} 37. Rd6 {[%emt 0:01:10]} Ra8 {[%emt 0:00:31]} 38. Rc3 {[%emt 0:01:57]} Rb7 {[%emt 0:01:43]} 39. Rdc6 {[%emt 0:01:30] Threatening mate with Rc8+.} Kd8 {[%emt 0:01:05] Prevents Rc8+.} 40. Kc2 {[%emt 0:00:35]} Rba7 {[%emt 0:00:49]} 41. Kd2 {[%emt 0:01:30]} Rb7 {[%emt 0:00:54]} 42. Ke3 {[%emt 0:01:51]} Rba7 $2 {[%emt 0:00:16]} (42... Rb6 43. Rxb6 Nxb6) 43. f4 {[%emt 0:02:33]} exf4+ {[%emt 0:00:17]} 44. Kxf4 {[%emt 0:00:06]} Rb7 {[%emt 0:00:57]} 45. e5 {[%emt 0:02:22]} Nb6 $2 {[%emt 0:01:27]} (45... Rb6 46. R3c4 Rba6) 46. Rd6+ {[%emt 0:00:45]} Ke8 {[%emt 0:00:44]} 47. Rcd3 {[%emt 0:01:36]} Nc4 {[%emt 0:01:51]} (47... Nd7 $142 48. e6 Nf8 49. exf7+ Kxf7) 48. Rc6 {[%emt 0:00:35]} Nb6 {[%emt 0:01:07]} 49. e6 {[%emt 0:01:36]} fxe6 {[%emt 0:00:07]} 50. Rxe6+ {[%emt 0:00:32]} Kf7 {[%emt 0:00:10]} 51. Re4 {[%emt 0:00:32]} Rc8 {[%emt 0:00:54]} 52. Kg4 {[%emt 0:00:37]} Rbc7 {[%emt 0:01:42]} 53. Rd6 {[%emt 0:02:17]} Nc4 {[%emt 0:00:23]} (53... Rb7 $142 54. Bc5 Nd7) 54. Rf6+ {[%emt 0:00:12]} Kg8 {[%emt 0:00:16]} 55. Rfe6 {[%emt 0:00:07]} Kf7 $2 {[%emt 0:00:32]} (55... Nb2 56. Kf3 Rf7+ 57. Ke2 Rfc7) 56. Re7+ {[%emt 0:00:09]} (56. Kf4 $142 {Black must now prevent Re2.} Kg8 57. Re7) 56... Kg8 {[%emt 0:00:46]} 57. Kg3 {[%emt 0:03:15] aiming for a4.} Nb6 {[%emt 0:04:12]} (57... Nxa3 $142 58. Bxa3 Rxe7 59. Bxe7 Re8) 58. Rxc7 {[%emt 0:00:36]} Rxc7 {[%emt 0:00:07][%mdl 4096] Endgame KRB-KRN} 59. Re8+ {[%emt 0:00:05]} Kf7 {[%emt 0:00:10]} 60. Rf8+ {[%emt 0:00:02]} Ke6 {[%emt 0:00:10]} 61. Rf6+ {[%emt 0:00:02]} Kd5 {[%emt 0:00:25]} 62. Rxb6 {[%emt 0:00:08] KRB-KR} Ra7 {[%emt 0:00:05]} 63. Kf4 {[%emt 0:00:20]} Rf7+ {[%emt 0:00:16]} 64. Rf6 {[%emt 0:00:02]} Rxf6+ {[%emt 0:00:10]} 65. gxf6 {[%emt 0:00:04] KB-KPP. White mates.} Ke6 {[%emt 0:00:03]} 66. Kg5 {[%emt 0:00:06]} Kf7 {[%emt 0:00:06]} 67. a4 {[%emt 0:00:26]} Ke6 {[%emt 0:00:08]} 68. a5 {[%emt 0:00:05]} Kf7 {[%emt 0:00:05]} 69. a6 {[%emt 0:00:04]} Ke6 {[%emt 0:00:29]} 70. a7 {[%emt 0:00:03]} Kf7 {[%emt 0:00:05]} 71. a8=Q {[%emt 0:00:08]} Ke6 {[%emt 0:00:05]} 72. Qc6+ {[%emt 0:00:11]} Kf7 {[%emt 0:00:06]} 73. Qd7+ {[%emt 0:00:03]} Kg8 {[%emt 0:00:05]} 74. Qg7# {[%emt 0:00:06] Weighted Error Value: White=0.31/Black=0.40} 1-0

[Event "13th Chennai Open 2022"]
[Site "Chennai"]
[Date "2022.06.20"]
[Round "2.8"]
[White "Gandhi, Aakash"]
[Black "Nitin, S.."]
[Result "0-1"]
[ECO "E61"]
[WhiteElo "1698"]
[BlackElo "2399"]
[Annotator "TA"]
[PlyCount "90"]
[EventDate "2022.06.19"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 16,90,33,20,29,25,49,41,68,53,48,43,71,45,38,44,50,62,66,72,81,0,0,0,0,0,37,0,0,-23,-4,-45,-15,-15,-19,-94,-28,-134,0,0,0,0,0,-53,-62,-78,0,-197,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-670,-596,-552,-381]} 1. d4 {[%emt 0:00:07]} g6 {[%emt 0:01:44]} 2. c4 {[%emt 0:00:30]} Bg7 {[%emt 0:00:30]} 3. Nf3 {[%emt 0:00:30]} d6 {[%emt 0:00:30]} 4. Nc3 {[%emt 0:00:30]} Nf6 {[%emt 0:00:30]} 5. Bg5 {[%emt 0:00:30][%cal Bc1g5,Bg5h4,Bh4g3][%mdl 32]} h6 {[%emt 0:00:30]} 6. Bh4 {[%emt 0:00:30]} O-O {[%emt 0:00:30]} 7. e3 {[%emt 0:00:30]} Nbd7 {[%emt 0:00:30]} 8. Be2 {[%emt 0:00:30]} g5 {[%emt 0:00:30]} 9. Bg3 {[%emt 0:00:30]} Nh5 {[%emt 0:00:30] E61: King's Indian: Early deviations for White, including Smyslov System.} 10. Qc2 {[%emt 0:00:30][%cal Of3g5] aiming for Nxg5!} e6 {[%emt 0:00:30]} 11. O-O-O {[%emt 0:00:30]} Qe7 {[%emt 0:00:30] White is slightly better.} 12. Nd2 {[%emt 0:00:30]} Nxg3 {[%emt 0:00:30]} 13. hxg3 {[%emt 0:00:30] [#]} f5 $146 {[%emt 0:00:30]} ({Predecessor:} 13... c5 14. d5 Nb6 15. Rh5 Bd7 16. Rdh1 f5 17. dxe6 Bxe6 18. Bf3 Qf7 19. e4 Rae8 20. exf5 Bxf5 {0-1 (20) Szymczak,Z (2295)-Lercel,M (2123) Polanica Zdroj 1999}) 14. Bd3 {[%emt 0:00:30]} Nf6 {[%emt 0:00:30]} 15. e4 {[%emt 0:00:30][%cal Re4f5]} Ng4 {[%emt 0:00:30][%csl LRd4,LRf2]} 16. Nf3 {[%emt 0:00:30]} c6 {[%emt 0:00:30]} 17. Rde1 {[%emt 0:00:30] exf5 is the strong threat.} Qd8 {[%emt 0:00:30]} 18. c5 {[%emt 0:00:30]} (18. Kb1 $16) 18... dxc5 $11 {[%emt 0:00:30]} 19. exf5 {[%emt 0:00:30]} exf5 {[%emt 0:00:30]} (19... cxd4 20. fxe6 Re8 21. Na4 $16 (21. Bh7+ Kh8 $11)) 20. dxc5 {[%emt 0:00:30]} b5 {[%emt 0:00:30]} 21. cxb6 {[%emt 0:00:30]} axb6 {[%emt 0:00:30]} 22. Bc4+ {[%emt 0:00:30]} (22. Re2 $5 {[%cal Rh1d1]}) 22... Kh8 {[%emt 0:00:30]} 23. Be6 {[%emt 0:00:30]} b5 {[%emt 0:00:30] And now ...Bxe6 would win.} 24. Bxc8 {[%emt 0:00:30]} Rxc8 {[%emt 0:00:30]} 25. Re6 {[%emt 0:00:30]} (25. Kb1 $11) 25... b4 {[%emt 0:00:30]} (25... Ra8 $1 $17 {White must now prevent ...b4.} 26. Qb3 (26. Rxc6 Qd7 $17) 26... Nxf2 27. Rhxh6+ Bxh6 28. Rxh6+ Kg7 29. Rxc6 (29. Qe6 $2 Rf6 $19) 29... b4) 26. Rd1 {[%emt 0:00:30]} (26. Nd1 $1 $11) 26... Qb6 {[%emt 0:00:30]} ({And not} 26... bxc3 27. Rxd8 cxb2+ 28. Kb1 Rfxd8 29. Re7 $11) (26... Qa5 $1 $17 27. Na4 Nxf2 $1 {[%mdl 512]} 28. Qxf2 Qxa4) 27. Nd5 {[%emt 0:00:30]} Qa5 {[%emt 0:00:30]} 28. Ne7 {[%emt 0:00:30] Strongly threatening Ng6+.} Qxa2 {[%emt 0:00:30]} 29. Ng6+ {[%emt 0:00:30] Pair of Knights!} (29. Rdd6 $1 $11) 29... Kg8 $1 $15 {[%emt 0:00:30]} 30. Nxf8 {[%emt 0:00:30][%cal Od1d7] Hoping for Rd7!} Rxf8 {[%emt 0:00:30] Chess con chili.} (30... b3 $1 $17 {[%cal Rb3c2]} 31. Qb1 Qa6 32. Qxf5 Nxf2) 31. Rxc6 {[%emt 0:00:30] [#]} (31. Re7 $11) 31... Nxf2 $1 {[%emt 0:00:30][%mdl 512]} 32. Qxf2 $11 {[%emt 0:00:30]} Qa1+ {[%emt 0:00:30]} 33. Kd2 {[%emt 0:00:30]} Rd8+ {[%emt 0:00:30] [#]} 34. Nd4 $1 {[%emt 0:00:30]} Qxb2+ {[%emt 0:00:30]} 35. Ke1 {[%emt 0:00:30]} Qxf2+ {[%emt 0:00:30]} 36. Kxf2 {[%emt 0:00:30]} Rxd4 {[%emt 0:00:30]} 37. Rxd4 {[%emt 0:00:30]} Bxd4+ {[%emt 0:00:30][%mdl 4096] Endgame KR-KB} 38. Ke2 {[%emt 0:00:30]} b3 {[%emt 0:00:30][%cal Bb4b3,Bb3b2][%mdl 32]} 39. Rc7 {[%emt 0:00:30]} b2 {[%emt 0:00:30]} 40. Rb7 {[%emt 0:00:30]} Bg7 {[%emt 0:00:30]} 41. Kd3 {[%emt 0:00:30]} Kh7 {[%emt 0:00:30]} 42. Rb6 {[%emt 0:00:30] [#]} Bf6 $1 {[%emt 0:00:30]} 43. Kc4 {[%emt 0:00:30]} (43. Rb7+ Kg6) 43... Kg6 {[%emt 0:00:30]} 44. Kd5 $2 {[%emt 0:00:30][%mdl 8192] [#]} (44. Kd3 $11) 44... Kh5 $1 $19 {[%emt 0:00:30]} 45. Ke6 {[%emt 0:00:30]} Bd4 {[%emt 0:00:30] Weighted Error Value: White=0.46/Black=0.21 (precise)} 0-1

[Event "13th Chennai Open 2022"]
[Site "Chennai"]
[Date "2022.06.20"]
[Round "2.9"]
[White "Srihari L R"]
[Black "Jai Sankar Subramanian"]
[Result "1-0"]
[ECO "A15"]
[WhiteElo "2404"]
[BlackElo "1635"]
[Annotator "TA"]
[PlyCount "66"]
[EventDate "2022.06.19"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 9,66,-29,-15,-43,-21,-8,-21,-21,-16,-18,0,-89,9,-13,0,-58,-47,-57,-52,-69,4,0,0,0,0,15,0,17,30,38,45,38,93,59,43,68,106,91,119,113,113,113,111,108,164,154,164,166,164,166,182,170,173,89,104,0,992,977,1063]} 1. Nf3 {[%emt 0:00:16]} Nf6 {[%emt 0:00:03]} 2. c4 {[%emt 0:00:10]} g6 {[%emt 0:00:06]} 3. b4 {[%emt 0:00:08]} Bg7 {[%emt 0:00:10]} 4. Bb2 {[%emt 0:00:08]} O-O {[%emt 0:00:13]} 5. g3 {[%emt 0:00:08]} d5 {[%emt 0:00:31]} 6. Na3 {[%emt 0:02:55] A15: English Opening: 1...Nf6.} a5 {[%emt 0:02:04]} 7. b5 {[%emt 0:03:03]} c6 {[%emt 0:01:40]} 8. Bg2 {[%emt 0:01:45] The position is equal.} dxc4 {[%emt 0:01:00]} 9. bxc6 {[%emt 0:01:08]} Nxc6 {[%emt 0:00:03]} 10. O-O {[%emt 0:05:27]} (10. Nxc4 $11 {remains equal.} Be6 11. Ne3) 10... Nb4 {[%emt 0:08:49] [#]} (10... Be6 $1 $17) 11. Ne5 $146 {[%emt 0:15:10]} ({Predecessor:} 11. Nxc4 Be6 12. d3 Rc8 13. a3 Nc6 14. Qb3 Qc7 15. Ng5 Bxc4 16. Qxc4 h6 17. Nf3 {½-½ (77) Will,M (2025)-Schaefer,S (2001) Germany 2018}) 11... Rb8 {[%emt 0:14:51] ...b5 is the strong threat.} 12. Nexc4 {[%emt 0:07:46]} (12. Naxc4 $11 b5 13. Ne3) 12... Be6 {[%emt 0:06:51]} 13. Be5 {[%emt 0:01:43]} Rc8 {[%emt 0:01:53]} 14. d3 {[%emt 0:00:24]} Bd5 {[%emt 0:01:26]} (14... Rc5 $1 $15 15. Bb2 (15. Bxb7 Rxe5 16. Nxe5 Qb8 $17) 15... b5) 15. Bh3 {[%emt 0:11:51]} e6 {[%emt 0:03:42]} 16. Qb1 {[%emt 0:05:44]} Ne8 {[%emt 0:17:19]} 17. Qb2 {[%emt 0:02:37]} Bxe5 {[%emt 0:08:13]} 18. Nxe5 {[%emt 0:09:28][%cal Bc4e5,Be5g4,Bg4e3][%mdl 32]} Nc6 {[%emt 0:10:52]} 19. Ng4 {[%emt 0:01:14][%cal Rg4h6]} h5 {[%emt 0:04:37]} 20. Ne3 {[%emt 0:04:17]} Qf6 {[%emt 0:11:13]} (20... Ne7 $14) 21. Rab1 {[%emt 0:06:17]} Qxb2 {[%emt 0:03:21]} 22. Rxb2 {[%emt 0:00:01]} Rc7 {[%emt 0:00:38]} 23. Nb5 {[%emt 0:04:14]} Re7 {[%emt 0:01:09]} 24. Nxd5 {[%emt 0:01:06]} exd5 {[%emt 0:00:01]} 25. Rfb1 {[%emt 0:00:09]} Nf6 {[%emt 0:01:23]} 26. Nd6 {[%emt 0:00:29]} Nb4 {[%emt 0:00:40]} (26... Kg7 $16) 27. a3 $18 {[%emt 0:00:16]} Nc6 {[%emt 0:00:32]} 28. e3 {[%emt 0:00:42][%cal Be2e3,Be3e4][%mdl 32]} Ne5 {[%emt 0:00:31]} 29. Bf1 {[%emt 0:00:32]} (29. Rxb7 $6 Rxb7 30. Rxb7 Rd8 31. Nxf7 Nxf7 $14) 29... d4 {[%emt 0:00:27]} 30. e4 {[%emt 0:00:24]} ({Don't play} 30. Nxb7 $6 dxe3 31. fxe3 a4 $11) ({But not} 30. exd4 Nf3+ 31. Kg2 Nxd4 $16) ({Much less strong is} 30. Rxb7 $6 Rxb7 31. Nxb7 (31. Rxb7 Rd8 $14) 31... dxe3 $14) 30... Rc7 {[%emt 0:00:25] [#]} 31. Rxb7 {[%emt 0:16:28]} ({White should play} 31. f4 $1 $18 {[%cal Rf4e5]} Neg4 32. Rxb7) 31... Rc2 {[%emt 0:00:45] [#]} 32. R7b3 {[%emt 0:00:30]} (32. R7b2 $1 $16 {[%cal Rb2c2]} Rxb2 33. Rxb2) 32... Rb2 {[%emt 0:00:27][%mdl 8192]} 33. R3xb2 {[%emt 0:00:00]} Rd8 {[%emt 0:00:01] Weighted Error Value: White=0.21 (precise) /Black=0.24 (precise)} 1-0

[Event "13th Chennai Open 2022"]
[Site "Chennai"]
[Date "2022.06.20"]
[Round "2.10"]
[White "Srijit Paul"]
[Black "Swapna C N"]
[Result "1-0"]
[ECO "B33"]
[WhiteElo "2399"]
[BlackElo "1628"]
[Annotator "TA"]
[PlyCount "53"]
[EventDate "2022.06.19"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 24,53,0,-160,0,0,0,0,0,0,0,0,234,237,236,245,243,234,214,217,204,203,205,240,245,220,1928,1773,29985,29986,29986,29987]} 1. e4 {[%emt 0:00:09]} c5 {[%emt 0:00:14]} 2. Nf3 {[%emt 0:00:09][%cal Bg1f3,Bf3d4,Bd4b5][%mdl 32]} Nc6 {[%emt 0:00:13]} 3. d4 {[%emt 0:00:45]} cxd4 {[%emt 0:00:23]} 4. Nxd4 {[%emt 0:00:07]} e5 {[%emt 0:00:38]} 5. Nb5 {[%emt 0:00:07]} d6 {[%emt 0:00:09]} 6. N1c3 {[%emt 0:00:53][%cal Bb1c3,Bc3d5,Bd5f6][%mdl 32]} a6 {[%emt 0:00:30]} 7. Na3 {[%emt 0:00:06]} Nf6 {[%emt 0:01:09]} 8. Bg5 {[%emt 0:00:38]} b5 {[%emt 0:00:06]} 9. Bxf6 {[%emt 0:00:05]} gxf6 {[%emt 0:00:08]} 10. Nd5 {[%emt 0:00:04]} f5 {[%emt 0:00:38]} 11. Bxb5 {[%emt 0:08:10]} axb5 {[%emt 0:00:15]} 12. Nxb5 {[%emt 0:00:03]} Ra4 {[%emt 0:00:37]} 13. c4 $2 {[%emt 0:00:10] [#]} ({White should play} 13. Nbc7+ $11 Kd7 14. O-O) 13... Qa5+ $2 {[%emt 0:10:40] B33: Sicilian: Pelikan and Sveshnikov Variations.} ({Black should try} 13... Rxc4 $17 14. O-O Be7) 14. b4 $1 $11 {[%emt 0:00:08]} Nxb4 {[%emt 0:01:48]} 15. Nf6+ {[%emt 0:06:00] Pair of Knights!} Kd8 {[%emt 0:04:16] The position is equal.} 16. O-O {[%emt 0:00:07] [#]} Qa6 $146 {[%emt 0:05:39] [#] Threatens to win with ...Be7.} (16... Rxa2 17. Rxa2 Nxa2 18. Nxd6 $16) ({Predecessor:} 16... Bd7 17. Nxd6 Bxd6 18. Qxd6 Qc7 19. Qd2 Kc8 20. a3 Nc6 21. Nd5 Qa7 22. Rab1 Ra6 {1-0 (33) Potrata,J-Zatsch,A ICCF corr 1983}) 17. a3 {[%emt 0:06:29] The board is on fire.} Be6 $2 {[%emt 0:09:03]} (17... Be7 $11 {and Black is okay.} 18. axb4 Rxa1 19. Qxa1 Qxa1 20. Rxa1 Bxf6) 18. axb4 $18 {[%emt 0:05:14]} Rxa1 {[%emt 0:04:01]} 19. Qxa1 {[%emt 0:00:21]} Qxa1 {[%emt 0:00:26]} 20. Rxa1 {[%emt 0:00:05]} Bxc4 {[%emt 0:00:45]} 21. Ra8+ {[%emt 0:00:41]} Ke7 {[%emt 0:00:44]} 22. Nd5+ {[%emt 0:00:05]} Bxd5 {[%emt 0:03:44]} 23. exd5 {[%emt 0:00:11]} h5 {[%emt 0:07:07]} 24. Na7 {[%emt 0:00:05]} e4 $2 {[%emt 0:07:12]} (24... Bg7 $2 25. Nc6+ Kf6 26. Rxh8 Bxh8 27. b5 $18) (24... Kd7 25. Nc6 Kc7) 25. Nc6+ {[%emt 0:00:11]} Kd7 {[%emt 0:04:03]} 26. Ra7+ {[%emt 0:00:07]} Ke8 {[%emt 0:01:29]} 27. b5 {[%emt 0:00:05] Black got outplayed after the opening.  Weighted Error Value: White=0.22 (precise) /Black=1.14} 1-0

[Event "13th Chennai Open 2022"]
[Site "Chennai"]
[Date "2022.06.20"]
[Round "2.11"]
[White "Vengatesh Krishnan C"]
[Black "Nguyen, Duc Hoa"]
[Result "0-1"]
[ECO "A35"]
[WhiteElo "1581"]
[BlackElo "2398"]
[Annotator "RC"]
[PlyCount "40"]
[EventDate "2022.06.19"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 {[%emt 0:00:05]} Nf6 {[%emt 0:00:06]} 2. c4 {[%emt 0:00:09]} g6 {[%emt 0:00:05]} 3. Nc3 {[%emt 0:00:13]} d5 {[%emt 0:00:07]} 4. Nf3 {[%emt 0:00:59]} Bg7 {[%emt 0:00:11]} 5. e3 {[%emt 0:00:53]} O-O {[%emt 0:00:29]} 6. Be2 {[%emt 0:01:05]} c5 {[%emt 0:01:56]} 7. O-O {[%emt 0:02:39]} cxd4 {[%emt 0:03:10]} 8. Nxd4 {[%emt 0:03:22]} Nc6 {[%emt 0:08:57]} 9. cxd5 {[%emt 0:14:58]} Nxd5 {[%emt 0:01:13]} 10. Nxd5 {[%emt 0:02:15]} Qxd5 {[%emt 0:00:08]} 11. Bf3 {[%emt 0:00:52]} Qc5 {[%emt 0:01:04]} 12. Nxc6 {[%emt 0:07:31]} bxc6 {[%emt 0:00:09]} 13. Qa4 {[%emt 0:02:34]} Rb8 {[%emt 0:00:35]} 14. Rb1 {[%emt 0:15:58]} Rd8 {[%emt 0:15:08]} 15. b4 {[%emt 0:13:08]} Qc4 {[%emt 0:03:16]} 16. Bxc6 {[%emt 0:19:51]} Bg4 {[%emt 0:06:19]} 17. Ba3 {[%emt 0:05:44]} Rb6 {[%emt 0:07:48]} 18. Rfc1 {[%emt 0:04:48]} Qa6 {[%emt 0:00:16]} 19. Qxa6 {[%emt 0:01:57]} Rxa6 {[%emt 0:00:05]} 20. Bb2 {[%emt 0:00:40]} Bxb2 {[%emt 0:00:08]} 0-1

[Event "13th Chennai Open 2022"]
[Site "Chennai"]
[Date "2022.06.20"]
[Round "2.12"]
[White "Harsh Suresh"]
[Black "Arjun Sidharth S"]
[Result "1/2-1/2"]
[ECO "A02"]
[WhiteElo "2392"]
[BlackElo "1623"]
[Annotator "TA"]
[PlyCount "103"]
[EventDate "2022.06.19"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 14,103,-18,-37,-30,-33,-30,-60,-27,-78,-15,-32,-23,-60,-41,-58,-27,-45,-41,-63,-46,-45,-44,-40,0,0,0,-6,0,-27,-28,-21,-18,-57,-49,-48,-60,-48,-68,-59,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-26,0,0,0,0,0,0,0,0,0,0,0,0,0,0,8,8,8,0,0,0,8,0,0,0]} 1. f4 {[%emt 0:00:03]} Nf6 {[%emt 0:01:38]} 2. Nf3 {[%emt 0:00:24]} g6 {[%emt 0:00:45]} 3. b3 {[%emt 0:00:27]} Bg7 {[%emt 0:00:22]} 4. Bb2 {[%emt 0:00:01]} d6 {[%emt 0:01:07]} 5. e3 {[%emt 0:00:16]} O-O {[%emt 0:00:56]} 6. Be2 {[%emt 0:00:22]} c5 $1 {[%emt 0:00:58] The main line 6...c5 scores better than 6...Nc6.} 7. O-O {[%emt 0:00:20]} Nc6 {[%emt 0:04:06]} 8. h3 {[%emt 0:00:55]} e5 {[%emt 0:09:37] [#] A02: Bird's Opening.} 9. fxe5 $146 {[%emt 0:22:14]} ({Predecessor:} 9. g4 Ne4 10. Qe1 Ng3 11. Qxg3 exf4 12. exf4 Bxb2 13. Nc3 Bxa1 14. Rxa1 d5 15. f5 Re8 16. fxg6 hxg6 {0-1 (24) Hansen,C-Light,B Randers 1990}) 9... Ne4 {[%emt 0:00:47]} 10. Qe1 {[%emt 0:05:24] Against Ng3} dxe5 {[%emt 0:03:54] Black is slightly better.} 11. a4 {[%emt 0:25:30]} (11. Na3 $11) 11... Ng5 {[%emt 0:09:19]} (11... Nd6 $17) 12. Nxg5 {[%emt 0:03:56]} Qxg5 {[%emt 0:00:10]} 13. Kh2 {[%emt 0:00:06]} Nb4 {[%emt 0:08:32]} 14. Na3 {[%emt 0:01:53]} e4 {[%emt 0:01:01]} 15. Bxg7 {[%emt 0:03:40]} Kxg7 {[%emt 0:00:02]} 16. Bc4 {[%emt 0:08:05]} Qe5+ {[%emt 0:03:49]} 17. Qg3 {[%emt 0:01:10]} Qxg3+ {[%emt 0:00:52]} 18. Kxg3 {[%emt 0:00:02]} a6 {[%emt 0:05:41][%cal Ba7a6,Ba6a5][%mdl 32]} 19. c3 {[%emt 0:08:21]} Nc6 {[%emt 0:03:22]} 20. Bd5 {[%emt 0:00:03]} f5 {[%emt 0:01:18]} 21. Nc4 {[%emt 0:05:37]} Ne7 {[%emt 0:09:26]} 22. Nb6 {[%emt 0:00:08]} Rb8 $1 {[%emt 0:00:20] Hoping for ...Rf6.} 23. c4 {[%emt 0:01:38]} a5 $1 {[%emt 0:06:52]} 24. d3 {[%emt 0:04:08]} exd3 {[%emt 0:02:57]} ({Reject} 24... Nxd5 25. cxd5 exd3 26. Rfd1 $11) 25. Rad1 {[%emt 0:00:59]} Rf6 {[%emt 0:04:41]} 26. Nxc8 {[%emt 0:00:16]} Rxc8 {[%emt 0:00:44]} (26... Nxd5 $15 27. cxd5 Rxc8) 27. Rxd3 $11 {[%emt 0:00:40]} Rd8 {[%emt 0:00:29]} 28. Rfd1 {[%emt 0:00:20]} Rfd6 {[%emt 0:00:35]} 29. e4 {[%emt 0:02:04]} (29. h4 {keeps more tension.} Nc6 30. e4 R8d7 31. exf5 gxf5 32. Re3) 29... fxe4 {[%emt 0:00:10]} 30. Bxe4 {[%emt 0:00:13]} Rxd3+ {[%emt 0:00:12]} 31. Rxd3 {[%emt 0:00:43]} Rxd3+ {[%emt 0:00:20]} 32. Bxd3 {[%emt 0:00:02][%mdl 4096] Endgame KB-KN} b6 {[%emt 0:01:32]} 33. Be4 {[%emt 0:01:34]} Kf6 {[%emt 0:00:19] [#] ...Ke5 is the strong threat.} 34. Kf4 {[%emt 0:00:13]} Nc8 {[%emt 0:00:44]} 35. h4 {[%emt 0:00:45]} h6 {[%emt 0:00:21]} 36. Bd3 {[%emt 0:01:14]} Nd6 {[%emt 0:00:20]} 37. Bc2 {[%emt 0:00:31]} Nf7 {[%emt 0:05:59]} 38. Bb1 {[%emt 0:01:27]} Nd6 {[%emt 0:03:56]} 39. Bd3 {[%emt 0:00:15]} g5+ {[%emt 0:01:02]} 40. Kg4 {[%emt 0:00:33]} Nf7 {[%emt 0:03:33] [#] And now ...Ne5+ would win.} (40... gxh4 $5 {[%cal Rf6e5]} 41. Kf4 Nf7 $15) 41. Be4 {[%emt 0:00:59] The position is equal.} Nd6 {[%emt 0:00:55]} 42. Bc2 {[%emt 0:00:34]} Nf7 {[%emt 0:01:07]} 43. Be4 {[%emt 0:00:18]} Nd6 {[%emt 0:00:30]} 44. Bc2 {[%emt 0:00:15]} Nf7 {[%emt 0:00:34]} 45. Kh5 {[%emt 0:01:22]} gxh4 {[%emt 0:01:07]} 46. Kxh4 {[%emt 0:00:03]} Ng5 {[%emt 0:00:28]} 47. Kh5 {[%emt 0:00:15]} Kg7 {[%emt 0:00:13]} 48. Bf5 {[%emt 0:00:09]} Nf7 {[%emt 0:00:18]} 49. Be4 {[%emt 0:00:18]} Ng5 {[%emt 0:00:47]} 50. Bf5 {[%emt 0:01:35]} Nf7 {[%emt 0:00:17]} 51. Be4 {[%emt 0:00:17]} Ng5 {[%emt 0:00:07]} 52. Bf5 {[%emt 0:00:12] Weighted Error Value: White=0.08 (flawless) /Black=0.07 (flawless)} 1/2-1/2

[Event "13th Chennai Open 2022"]
[Site "Chennai"]
[Date "2022.06.20"]
[Round "2.13"]
[White "Ashvath Mittal"]
[Black "Nguyen, Van Huy"]
[Result "*"]
[ECO "B12"]
[WhiteElo "1419"]
[BlackElo "2405"]
[Annotator "TA"]
[PlyCount "42"]
[EventDate "2022.06.19"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 11,42,27,35,0,42,23,30,27,39,39,55,54,91,31,93,81,95,7,10,14,33,45,46,19,13,13,14,11,16,19,2,19,22]} 1. e4 {[%emt 0:00:03]} c6 {[%emt 0:00:12]} 2. d4 {[%emt 0:00:05]} d5 {[%emt 0:00:09]} 3. e5 {[%emt 0:00:04]} Bf5 {[%emt 0:00:19]} 4. Nf3 {[%emt 0:00:08]} e6 {[%emt 0:00:11]} 5. Be2 {[%emt 0:00:05]} Nd7 {[%emt 0:00:37]} 6. O-O {[%emt 0:00:07]} Ne7 {[%emt 0:00:06]} 7. h3 {[%emt 0:00:03] B12: Caro-Kann: Advance Variation.} Nc8 {[%emt 0:01:55]} 8. b3 {[%emt 0:00:22]} Be7 {[%emt 0:03:48]} 9. c4 {[%emt 0:00:05][%cal Bc2c4,Bc4c5][%mdl 32] White has an edge.} O-O {[%emt 0:02:58]} 10. Nc3 {[%emt 0:00:04] [#]} a5 $146 {[%emt 0:03:54]} ({Predecessor:} 10... a6 11. Bb2 b5 12. cxd5 cxd5 13. Bd3 Bxd3 14. Qxd3 Na7 15. Rfe1 Nc6 16. Nh2 Qb6 {0-1 (47) Torella,R (1984)-Mahia,G (2364) Buenos Aires 2011}) 11. Bd3 {[%emt 0:04:01]} Bg6 {[%emt 0:03:47]} 12. a3 {[%emt 0:08:03]} ({White should play} 12. Bxg6 $16 hxg6 13. Qd3) 12... Qb6 {[%emt 0:10:12]} (12... Bxd3 $14 13. Qxd3 Re8) 13. c5 {[%emt 0:01:29]} Qa7 {[%emt 0:00:46] [#]} 14. Be3 {[%emt 0:05:52] White is more active.} (14. Bxg6 $1 $16 hxg6 15. Bd2) 14... Bxd3 $1 $11 {[%emt 0:07:24]} 15. Qxd3 {[%emt 0:00:06]} Qa6 {[%emt 0:00:07]} (15... b6 {is more complex.} 16. cxb6 Qxb6 17. Na4 Qb5) 16. Qxa6 {[%emt 0:00:37]} Rxa6 {[%emt 0:00:29]} 17. Nd2 {[%emt 0:02:51]} f6 {[%emt 0:02:18] The position is equal.} 18. f4 {[%emt 0:00:10]} fxe5 {[%emt 0:00:59]} 19. fxe5 {[%emt 0:01:09]} b6 {[%emt 0:01:18][%cal Rb6c5]} 20. b4 {[%emt 0:00:32]} axb4 {[%emt 0:04:37]} 21. axb4 {[%emt 0:00:13]} Rxf1+ {[%emt 0:00:00] Weighted Error Value: White=0.23 (precise) /Black=0.13 (very precise)} *

[Event "13th Chennai Open 2022"]
[Site "Chennai"]
[Date "2022.06.20"]
[Round "2.14"]
[White "Hari Madhavan N B"]
[Black "Hari Ganesh T"]
[Result "1-0"]
[ECO "E05"]
[WhiteElo "2374"]
[BlackElo "1609"]
[Annotator "TA"]
[PlyCount "99"]
[EventDate "2022.06.19"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 13,99,8,2,1,17,10,15,2,9,0,9,4,24,16,16,22,28,29,22,22,22,24,24,24,20,26,26,8,11,18,39,22,27,30,29,14,20,12,9,11,156,156,165,160,165,165,172,165,165,165,164,166,167,168,167,151,151,151,220,220,224,231,165,166,246,247,250,170,169,161,161,161,80,80,89,89,29966,29964,29965,29965,29973,29974,29976,29977,29977,29978,29975,29958]} 1. d4 {[%emt 0:00:04]} Nf6 {[%emt 0:00:15]} 2. Nf3 {[%emt 0:00:07]} e6 {[%emt 0:00:10]} 3. c4 {[%emt 0:00:06]} d5 {[%emt 0:00:22]} 4. g3 {[%emt 0:00:08]} Be7 {[%emt 0:01:14]} 5. Bg2 {[%emt 0:00:07]} O-O {[%emt 0:00:57]} 6. O-O {[%emt 0:00:06]} dxc4 {[%emt 0:00:19]} 7. Qc2 {[%emt 0:00:11]} b5 {[%emt 0:00:14]} 8. a4 {[%emt 0:00:10] E05: Open Catalan: 5 Nf3 Be7.} b4 {[%emt 0:00:06]} 9. Nbd2 {[%emt 0:00:05]} Bb7 {[%emt 0:00:25]} 10. Nxc4 {[%emt 0:00:08] The position is equal.} Be4 {[%emt 0:02:32] 10...c5 is the fancy move.} 11. Qd1 {[%emt 0:00:41]} c5 {[%emt 0:01:58]} 12. dxc5 {[%emt 0:07:58]} Bxc5 {[%emt 0:00:18]} 13. Qxd8 {[%emt 0:06:10]} Rxd8 {[%emt 0:00:03]} 14. Bg5 {[%emt 0:00:10] [#]} h6 $146 {[%emt 0:00:20]} ({Predecessor:} 14... Nbd7 15. Nfd2 Bxg2 16. Kxg2 Be7 17. Na5 Rdc8 18. Rfc1 h6 19. Be3 Rxc1 20. Rxc1 Nd5 {0-1 (45) Grabarczyk,M (2466)-Warakomski,T (2498) Warsaw 2014}) 15. Bxf6 {[%emt 0:00:10]} gxf6 {[%emt 0:00:03]} 16. Nfd2 {[%emt 0:01:40]} Bxg2 {[%emt 0:00:14]} 17. Kxg2 {[%emt 0:00:06]} Nc6 {[%emt 0:10:59]} 18. Nb3 {[%emt 0:00:24] Pair of Knights!} Be7 {[%emt 0:00:33][%cal Bc5e7,Be7g5,Bg5f6][%mdl 32]} 19. Rfd1 {[%emt 0:00:19]} f5 {[%emt 0:00:45]} 20. Rxd8+ {[%emt 0:10:25]} Rxd8 {[%emt 0:00:07]} 21. Rc1 {[%emt 0:00:13]} Bg5 {[%emt 0:21:35]} 22. Rc2 {[%emt 0:01:11]} Nd4 {[%emt 0:04:48]} 23. Nxd4 {[%emt 0:00:23]} Rxd4 $11 {[%emt 0:00:03][%mdl 4096] Endgame KRB-KRN} 24. b3 {[%emt 0:03:48]} Rd1 {[%emt 0:07:34]} 25. Ne5 {[%emt 0:01:20]} Bf6 {[%emt 0:05:26]} 26. Nc6 {[%emt 0:00:17]} Bc3 {[%emt 0:01:23]} (26... Rb1 $11) 27. Nxa7 $16 {[%emt 0:00:17]} Rb1 {[%emt 0:00:03]} 28. Nb5 {[%emt 0:00:09] Black must now prevent Ra2.} Rxb3 {[%emt 0:00:04]} 29. a5 {[%emt 0:00:06]} Rb1 {[%emt 0:00:21]} 30. Nxc3 {[%emt 0:09:18]} bxc3 {[%emt 0:00:04]} 31. Rxc3 $18 {[%emt 0:00:06] Threatens to win with Ra3. KR-KR} Ra1 {[%emt 0:01:23] Against Ra3} 32. Rc8+ {[%emt 0:02:09]} Kg7 {[%emt 0:00:07]} 33. Ra8 {[%emt 0:00:02]} Ra2 {[%emt 0:00:14]} 34. Kf3 {[%emt 0:00:06]} Ra3+ {[%emt 0:04:34]} 35. e3 {[%emt 0:00:30]} Ra2 {[%emt 0:05:06]} (35... Kf6 $16 36. a6 h5) 36. a6 {[%emt 0:00:28][%cal Ba5a6,Ba6a7][%mdl 32]} e5 {[%emt 0:00:21]} 37. h3 {[%emt 0:01:45]} e4+ {[%emt 0:00:57] [#]} 38. Kg2 $1 {[%emt 0:00:06]} h5 {[%emt 0:00:07]} 39. a7 {[%emt 0:01:26]} Ra1 {[%emt 0:00:13]} 40. g4 {[%emt 0:00:32]} fxg4 {[%emt 0:21:33]} 41. hxg4 {[%emt 0:00:10]} hxg4 {[%emt 0:00:01]} 42. Kg3 {[%emt 0:00:11]} f5 {[%emt 0:00:07]} 43. Kf4 {[%emt 0:58:12]} Ra5 {[%emt 0:00:06]} 44. Kg5 {[%emt 0:00:00]} Ra2 $2 {[%emt 0:00:59][%mdl 8192] [#] This move loses the game for Black.} (44... Kh7 $16) 45. Kxf5 {[%emt 0:00:00] White mates.} Rxf2+ {[%emt 0:00:15]} 46. Kxe4 {[%emt 0:00:00]} Ra2 {[%emt 0:00:14]} 47. Kf4 {[%emt 0:00:00]} Ra4+ {[%emt 0:00:03]} 48. e4 {[%emt 0:00:00][%cal Be3e4,Be4e5][%mdl 32]} Kh7 {[%emt 0:00:09]} 49. Kg3 {[%emt 0:00:00]} Kg7 {[%emt 0:00:15]} 50. e5 {[%emt 0:00:00] Weighted Error Value: White=0.04 (flawless) /Black=0.19 (very precise)} 1-0

[Event "13th Chennai Open 2022"]
[Site "Chennai"]
[Date "2022.06.20"]
[Round "2.15"]
[White "Badrinarayanan N"]
[Black "Gusain, Himal"]
[Result "0-1"]
[ECO "A21"]
[WhiteElo "1574"]
[BlackElo "2396"]
[Annotator "TA"]
[PlyCount "92"]
[EventDate "2022.06.19"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 9,91,-27,-31,-28,-31,-43,-34,-89,-68,-71,-43,-78,-77,-68,-62,-64,-65,-65,-56,-146,-146,-154,-149,-149,-155,-157,-166,-166,-165,-155,-155,-176,-183,-202,-166,-199,-192,-335,-325,-337,-284,-411,-412,-412,-412,-406,-403,-411,-393,-462,-445,-658,-652,-714,-718,-705,-697,-883,-858,-867,-866,-836,-829,-782,-486,-697,-696,-832,-806,-6031,-1395,-2808,-908,-29980,-29981,-29982,-29983,-29991,-29990,-29995,-29996,-29996,-29997,-29999]} 1. g3 {[%emt 0:00:02]} e5 {[%emt 0:01:39]} 2. Bg2 {[%emt 0:00:05]} f5 {[%emt 0:00:17]} 3. c4 {[%emt 0:00:11]} Nf6 {[%emt 0:00:46]} 4. Nc3 {[%emt 0:00:09]} Bb4 {[%emt 0:00:11]} 5. e3 {[%emt 0:00:06]} Bxc3 {[%emt 0:00:08]} 6. bxc3 {[%emt 0:00:07] A21: English Opening: 1...e5 2 Nc3.} d6 {[%emt 0:00:22]} 7. d4 {[%emt 0:00:30] [#]} c5 $146 {[%emt 0:00:18]} ({Predecessor:} 7... Qe7 8. Ba3 c5 9. Ne2 O-O 10. Rb1 Nc6 11. O-O Nd8 12. Qc2 Be6 13. d5 Bd7 {0-1 (26) Lepigoche,C (1879)-Blum,N (2180) La Roche sur Yon 2008}) 8. Ne2 {[%emt 0:05:31]} (8. Nf3 $15) 8... Qc7 {[%emt 0:00:43]} 9. O-O {[%emt 0:01:13]} Nc6 {[%emt 0:00:34]} 10. Ba3 {[%emt 0:04:32]} b6 {[%emt 0:00:09]} 11. Nc1 {[%emt 0:11:50]} O-O {[%emt 0:03:06]} 12. Nb3 {[%emt 0:02:29]} Ba6 {[%emt 0:02:39]} 13. Nd2 $1 {[%emt 0:00:45]} Rad8 {[%emt 0:03:27][%cal Ba8d8,Bd8d7,Bd7e7][%mdl 32]} 14. Rb1 {[%emt 0:06:59] White is now going downhill.} ({Better is} 14. Qf3 $15 Na5 15. Qxf5) 14... Na5 $17 {[%emt 0:00:35]} ({Inferior is} 14... exd4 15. cxd4 cxd4 16. exd4 $11) 15. Qa4 {[%emt 0:02:14]} Qd7 {[%emt 0:00:33]} 16. Qxd7 {[%emt 0:04:01]} Rxd7 {[%emt 0:00:04]} 17. Rfd1 {[%emt 0:02:41]} Nxc4 {[%emt 0:00:11]} ({Stronger than} 17... Bxc4 18. Nxc4 Nxc4 19. Bc1 $17) 18. Nxc4 {[%emt 0:00:46]} Bxc4 {[%emt 0:00:05]} 19. Rb2 {[%emt 0:01:00]} e4 {[%emt 0:02:01]} 20. Rbd2 {[%emt 0:00:58]} Bd3 {[%emt 0:00:46]} 21. f3 {[%emt 0:02:32]} Re7 {[%emt 0:02:23]} 22. f4 {[%emt 0:05:19]} Rd8 {[%emt 0:03:00]} 23. c4 {[%emt 0:02:16]} (23. Rc1 $142) 23... cxd4 $19 {[%emt 1:18:03]} ({Worse is} 23... Bxc4 24. dxc5 bxc5 25. Bxc5 $15) 24. exd4 {[%emt 0:02:32]} Bxc4 {[%emt 0:00:00]} 25. Bf1 {[%emt 0:06:30]} (25. Rc1 $142 b5 26. Bb4) 25... Bxf1 {[%emt 0:00:00]} 26. Kxf1 {[%emt 0:00:41]} Rc7 {[%emt 0:00:00]} 27. d5 {[%emt 0:00:59]} Kf7 {[%emt 0:00:00]} 28. Ke2 {[%emt 0:03:16]} Ke7 {[%emt 0:00:00]} 29. Rg1 {[%emt 0:01:10]} Rdc8 {[%emt 0:00:00] White must now prevent ...Ng4.} 30. h3 {[%emt 0:00:15]} (30. Rg2 $142) 30... Rc2 {[%emt 0:00:00]} 31. g4 {[%emt 0:00:54]} fxg4 {[%emt 0:00:00]} 32. hxg4 {[%emt 0:00:06]} Nxd5 {[%emt 0:00:00]} 33. f5 {[%emt 0:01:16]} e3 {[%emt 0:00:00]} 34. Rxc2 {[%emt 0:01:04]} Rxc2+ {[%emt 0:00:00][%mdl 4096] Endgame KRB-KRN} 35. Kf3 {[%emt 0:00:19]} Rxa2 {[%emt 0:00:00]} 36. Bc1 {[%emt 0:00:17]} Ra4 {[%emt 0:00:00]} 37. Bb2 {[%emt 0:01:32]} (37. Rd1 $142 Rf4+ 38. Kg3) 37... g6 {[%emt 0:00:00][%cal Bg7g6,Bg6f5][%mdl 32]} 38. Rh1 {[%emt 0:02:41]} gxf5 {[%emt 0:00:00]} 39. Rh4 {[%emt 0:30:12]} h6 40. Rxh6 {[%emt 0:00:00]} Kd7 {[%emt 0:00:00] [#] ( -> ...Rf4+)} 41. g5 {[%emt 0:00:00]} Rf4+ {[%emt 0:00:00] Black mates.} 42. Ke2 {[%emt 0:00:00]} Rf2+ {[%emt 0:00:00]} 43. Ke1 {[%emt 0:00:00]} Rxb2 {[%emt 0:00:00]} 44. g6 {[%emt 0:00:00]} Nf4 {[%emt 0:00:00][%cal Rb2b1]} 45. Rh7+ {[%emt 0:00:00]} Kc6 {[%emt 0:00:00][%cal Rb2b1]} 46. Re7 {[%emt 0:00:00]} Rb1# {[%emt 0:00:00] Weighted Error Value: White=0.81/Black=0.34} 0-1

[Event "13th Chennai Open 2022"]
[Site "Chennai"]
[Date "2022.06.20"]
[Round "2.16"]
[White "Girinath, P.D.S."]
[Black "Sujay B M"]
[Result "1-0"]
[ECO "B06"]
[WhiteElo "2361"]
[BlackElo "1603"]
[Annotator "TA"]
[PlyCount "68"]
[EventDate "2022.06.19"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 12,68,0,0,235,0,8,-15,-15,-16,-16,-12,-9,-47,-41,-58,-50,-69,-16,-56,-46,-50,-11,-54,-35,-79,-65,-79,-69,-81,-63,-142,-116,-88,-29,-80,-77,-79,0,0,92,85,94,79,89,86,77,66,87,90,95,84,60,66,76,53,84,76,88]} 1. e4 {[%emt 0:00:05]} c5 {[%emt 0:00:44]} 2. Nf3 {[%emt 0:00:15]} g6 {[%emt 0:00:27]} 3. c3 {[%emt 0:01:22]} d5 {[%emt 0:00:55]} 4. exd5 {[%emt 0:02:15]} Qxd5 {[%emt 0:00:17]} 5. d4 {[%emt 0:00:30]} Bg7 {[%emt 0:00:49]} 6. Be3 {[%emt 0:02:23]} cxd4 {[%emt 0:05:51]} 7. cxd4 {[%emt 0:00:25]} Nh6 $2 {[%emt 0:02:47] [#] B06: Modern Defence.} (7... Qa5+ $11 8. Nc3 Nh6) 8. Nc3 $2 {[%emt 0:00:53]} ({Only move:} 8. Qc1 $1 $18 {[%cal Rc1c8]} Bg4 9. Bxh6 Bxh6 10. Qxh6 Bxf3 11. gxf3) 8... Qa5 $11 {[%emt 0:01:26]} 9. Qd2 {[%emt 0:19:22]} Nf5 {[%emt 0:18:35] The position is equal.} 10. Nb5 {[%emt 0:07:31]} Qxd2+ {[%emt 0:06:41]} 11. Bxd2 {[%emt 0:02:11] Hoping for Nc7+.} Na6 {[%emt 0:00:38] [#] Inhibits Nc7+.} 12. g4 $146 {[%emt 0:41:25]} ({Predecessor:} 12. Bd3 O-O 13. O-O Bd7 14. Rfe1 Bc6 15. Bc3 Rfd8 16. Rad1 e6 17. Ne5 Bd5 18. Bb1 {0-1 (37) Ker,A (2337)-Kulaots,K (2557) Turin 2006}) 12... Nd6 {[%emt 0:12:36]} 13. Nxd6+ {[%emt 0:01:55]} exd6 {[%emt 0:05:00]} 14. h3 {[%emt 0:00:07]} O-O {[%emt 0:06:13]} (14... h5 $15 15. gxh5 (15. Bb5+ Kf8 $15) 15... Rxh5) 15. Bg2 {[%emt 0:02:19]} Re8+ {[%emt 0:03:40]} 16. Be3 {[%emt 0:02:41]} Bd7 {[%emt 0:11:17]} (16... Nb4 {looks sharper.} 17. Kd2 Bd7 18. Ne1 Rac8) 17. Kd2 {[%emt 0:08:06]} Bc6 {[%emt 0:05:57]} (17... Nb4 {is interesting.} 18. Ne1 Rac8 19. Bxb7 Rc7) 18. Rhe1 {[%emt 0:00:12]} Nc7 {[%emt 0:02:44]} 19. Rac1 {[%emt 0:04:34]} Ne6 {[%emt 0:04:47]} 20. Kd3 {[%emt 0:00:28]} Rac8 {[%emt 0:02:35]} 21. Nh4 {[%emt 0:01:15]} ({White should play} 21. Bh1 $15) 21... Bb5+ {[%emt 0:06:27]} 22. Kd2 {[%emt 0:00:02]} Bf6 {[%emt 0:00:32]} ({Much worse is} 22... Bxd4 $6 23. Rxc8 Rxc8 24. Bxb7 Bxe3+ 25. Rxe3 $15) (22... Nxd4 $17 {...Nc6 is the strong threat.} 23. Bxb7 Rb8) 23. Nf3 {[%emt 0:01:09]} (23. Rxc8 $11 Rxc8 24. Nf3) 23... Bc6 $17 {[%emt 0:00:19]} 24. Bh1 {[%emt 0:00:09][%cal Bg2h1,Bh1f3,Bf3b7][%mdl 32]} Bxf3 {[%emt 0:00:41]} ({Black should try} 24... a5 $17) 25. Bxf3 $11 {[%emt 0:00:06]} Bxd4 {[%emt 0:00:29]} (25... Nxd4 $11 {remains equal.} 26. Bxb7 (26. Bxd4 Bxd4 27. Rxc8 Rxc8 $11) 26... Rb8) 26. Bxd4 $16 {[%emt 0:01:14]} ({Much weaker is} 26. Bxb7 Bxe3+ 27. Rxe3 Rb8 $15) 26... Nxd4 {[%emt 0:00:01]} 27. Bxb7 {[%emt 0:00:11]} Rb8 {[%emt 0:00:59] [#] Strongly threatening ...Rxe1.} 28. Rxe8+ {[%emt 0:00:09]} Rxe8 {[%emt 0:00:01][%mdl 4096] Endgame KRB-KRN} 29. Rc8 {[%emt 0:00:57]} Nf3+ {[%emt 0:00:58]} 30. Kd3 {[%emt 0:00:22]} Rxc8 {[%emt 0:00:29]} 31. Bxc8 {[%emt 0:00:07]} Ng1 {[%emt 0:00:20]} 32. h4 {[%emt 0:00:50] Threatens to win with Ke3.} Nf3 {[%emt 0:00:40]} 33. h5 {[%emt 0:00:15]} Kg7 {[%emt 0:00:28]} 34. hxg6 {[%emt 0:00:22]} fxg6 {[%emt 0:00:35] Weighted Error Value: White=0.27 (precise) /Black=0.40} 1-0

[Event "13th Chennai Open 2022"]
[Site "Chennai"]
[Date "2022.06.20"]
[Round "2.17"]
[White "Jaivant R"]
[Black "Rajesh, V A V"]
[Result "1/2-1/2"]
[ECO "C54"]
[WhiteElo "1565"]
[BlackElo "2358"]
[Annotator "TA"]
[PlyCount "141"]
[EventDate "2022.06.19"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 17,141,0,0,6,0,-17,-27,-22,-18,-19,0,0,-2,-31,-49,-68,-74,-60,-54,-54,-63,-49,-54,-70,-56,-265,-265,-283,-267,-280,-279,-276,-248,-258,-266,-252,-252,-267,-252,-235,-263,-264,-268,-286,-273,-345,-347,-347,-335,-347,-347,-347,-347,-347,-347,-412,-383,-386,-402,-587,-587,-587,-584,-697,-676,-600,-591,-620,-681,-715,-730,-755,-737,-658,-631,-818,-817,-877,-712,-733,-856,-1303,-1299,-999,-796,-786,-667,-1428,-1257,-2149,-1980,-1714,-1427,-29970,-29971,-29971,-29971,-29971,-29971,-29971,-29974,-29975,-29975,-29974,-29973,-29975,-29975,-29976,-29977,-29977,-29977,-29976,-29978,-29978,-29979,-29979,-29980,-29979,-8,-8,-8,-8,-8,-8,-8,-8]} 1. e4 {[%emt 0:00:05]} e5 {[%emt 0:00:07]} 2. Nf3 {[%emt 0:00:16]} Nc6 {[%emt 0:00:06]} 3. Bc4 {[%emt 0:00:09]} Bc5 {[%emt 0:00:17]} 4. c3 {[%emt 0:00:19]} Nf6 {[%emt 0:00:06]} 5. d4 {[%emt 0:00:03]} exd4 {[%emt 0:00:26]} 6. e5 {[%emt 0:00:05]} d5 {[%emt 0:00:33]} 7. Bb5 {[%emt 0:00:07]} Ne4 {[%emt 0:00:34]} 8. cxd4 {[%emt 0:00:05]} Bb6 {[%emt 0:01:32]} 9. Nc3 {[%emt 0:00:52]} O-O {[%emt 0:02:10]} 10. Be3 {[%emt 0:03:23] C54: Giuoco Piano: 4 c3 Nf6, main lines with 5 d4 and 5 d3.} Bg4 {[%emt 0:03:42]} 11. Be2 {[%emt 0:00:49]} f5 {[%emt 0:05:38] And now ...f4 would win.} 12. exf6 {[%emt 0:05:39] Black has an edge.} Nxf6 {[%emt 0:03:49]} ({Resist} 12... Qxf6 13. Nxd5 Qd6 14. Nc3 $14) 13. O-O {[%emt 0:02:58]} Ne7 {[%emt 0:03:04]} 14. Ne5 {[%emt 0:09:18]} Bxe2 {[%emt 0:01:57]} 15. Nxe2 {[%emt 0:00:13]} Nf5 {[%emt 0:00:20] [#]} 16. Nf4 $146 {[%emt 0:00:42]} ({Predecessor:} 16. Ng3 Nxe3 17. fxe3 c6 18. Qb3 Qe7 19. a4 Rab8 20. Nf5 Qe6 21. Nh4 Bc7 22. Nhf3 {0-1 (35) Nitish,B (2316)-Mitsis,G (2322) Anogia 2018}) 16... Qd6 {[%emt 0:02:44] Prevents Ne6.} (16... Ne4 {feels hotter.} 17. Ne6 Nxe3 18. fxe3 Rxf1+ 19. Qxf1 Qe7) 17. Qa4 {[%emt 0:06:55]} Rae8 {[%emt 0:06:03][%cal Of5d4]} 18. Nfd3 {[%emt 0:02:30]} Nxe3 {[%emt 0:02:39]} 19. fxe3 {[%emt 0:00:15]} c5 {[%emt 0:07:11] [#] ...cxd4 is the strong threat.} 20. Rae1 {[%emt 0:09:03]} c4 {[%emt 0:05:29]} 21. Qb4 $2 {[%emt 0:03:44]} ({White should try} 21. Nf2 $15) 21... Qc7 $19 {[%emt 0:15:31]} 22. Nf4 {[%emt 0:12:11]} Ba5 {[%emt 0:03:54]} 23. Qa3 {[%emt 0:02:54]} Bxe1 {[%emt 0:00:34]} 24. Rxe1 {[%emt 0:00:06]} a6 {[%emt 0:04:22]} 25. h4 {[%emt 0:02:53]} Rxe5 {[%emt 0:04:08]} 26. dxe5 {[%emt 0:01:33]} Qxe5 {[%emt 0:00:05] Strongly threatening ...d4.} 27. Qc3 {[%emt 0:01:14] Prevents d4.} Re8 {[%emt 0:00:52]} 28. Qxe5 {[%emt 0:00:52]} Rxe5 {[%emt 0:00:05][%mdl 4096] Endgame KRN-KRN} 29. Kf2 {[%emt 0:00:27]} h6 {[%emt 0:00:15][%cal Bh7h6,Bh6g5][%mdl 32]} 30. Ng6 {[%emt 0:03:08]} Re8 {[%emt 0:03:36]} 31. Re2 {[%emt 0:03:24]} Kf7 {[%emt 0:00:26]} 32. Nf4 {[%emt 0:02:00]} g5 {[%emt 0:00:08]} 33. hxg5 {[%emt 0:00:03]} hxg5 {[%emt 0:00:05]} 34. Nh3 {[%emt 0:00:09]} Kg6 {[%emt 0:00:12]} 35. Ke1 {[%emt 0:01:30]} Ne4 {[%emt 0:00:20]} 36. Kd1 {[%emt 0:01:38]} b5 {[%emt 0:01:25]} 37. Re1 {[%emt 0:04:45]} Nc5 {[%emt 0:02:51]} 38. Nf2 {[%emt 0:02:34]} (38. Re2 {was called for.}) 38... Rf8 {[%emt 0:00:06]} 39. Re2 {[%emt 0:05:21]} Nd3 {[%emt 0:03:29]} 40. Ng4 {[%emt 0:00:12]} Rf1+ {[%emt 0:00:21]} 41. Kc2 {[%emt 0:01:05]} Nb4+ {[%emt 0:00:37]} 42. Kc3 {[%emt 0:00:05]} Nxa2+ {[%emt 0:00:14]} 43. Kd4 {[%emt 0:00:29]} Kf5 {[%emt 0:06:26]} 44. Rf2+ {[%emt 0:05:15]} Rxf2 {[%emt 0:00:12]} 45. Nxf2 {[%emt 0:00:03] KN-KN} Nb4 {[%emt 0:01:00]} 46. g4+ {[%emt 0:01:05]} Ke6 {[%emt 0:00:17]} 47. e4 {[%emt 0:00:09]} Nc2+ {[%emt 0:03:16]} 48. Kc3 {[%emt 0:02:10]} Ne1 {[%emt 0:00:53] aiming for ...Nf3.} 49. Kd4 {[%emt 0:00:42]} Nf3+ {[%emt 0:07:11]} 50. Ke3 {[%emt 0:00:11]} Nh2 {[%emt 0:01:01]} 51. Kd4 {[%emt 0:01:47]} dxe4 {[%emt 0:00:07]} 52. Nxe4 {[%emt 0:00:04]} Nxg4 {[%emt 0:00:39]} 53. Nxg5+ {[%emt 0:00:06]} Kd6 {[%emt 0:00:06]} 54. Ne4+ {[%emt 0:00:25]} Kc6 {[%emt 0:00:05] Threatens to win with ...a5.} 55. b3 {[%emt 0:01:43]} cxb3 {[%emt 0:00:34]} 56. Kc3 {[%emt 0:00:07]} Kd5 {[%emt 0:00:52]} 57. Nd2 {[%emt 0:00:11]} Ne5 {[%emt 0:00:10]} 58. Nxb3 {[%emt 0:00:24]} Nc6 {[%emt 0:00:04]} 59. Nc1 {[%emt 0:00:45]} a5 {[%emt 0:00:27]} 60. Nd3 {[%emt 0:01:28]} Ne5 {[%emt 0:00:41]} 61. Nf4+ {[%emt 0:00:26]} Kc6 {[%emt 0:00:18]} 62. Ne6 {[%emt 0:00:14]} Kb6 {[%emt 0:00:53]} 63. Nd4 {[%emt 0:01:21]} Nc6 {[%emt 0:00:11]} 64. Ne6 {[%emt 0:00:48]} a4 {[%emt 0:00:35]} 65. Nf4 {[%emt 0:00:54]} b4+ {[%emt 0:02:49]} 66. Kc4 {[%emt 0:00:18]} Ka5 {[%emt 0:02:01]} 67. Nd3 {[%emt 0:00:15] [#]} a3 $2 {[%emt 0:00:25]} (67... b3 $1 {mates} 68. Kc3 Kb5 69. Nf2 Na5 70. Ne4 Nc4 71. Ng5 b2 72. Kc2 a3 73. Ne4 Kb4 74. Nc3 b1=Q+ 75. Kxb1 Kxc3 76. Ka2 Kb4 77. Ka1 Ne3 78. Kb1 Kc3 79. Kc1 Nc2 80. Kb1 Kb3 81. Kc1 a2 82. Kd2 a1=Q 83. Ke2 Qf6 84. Kd3 Qf3+ 85. Kd2 Qe3+ 86. Kd1 Qe1#) 68. Nxb4 $1 $11 {[%emt 0:00:07] The position is equal.} Nxb4 {[%emt 0:00:22]} 69. Kb3 {[%emt 0:00:06]} a2 {[%emt 0:00:21]} 70. Kb2 {[%emt 0:00:04]} Ka4 {[%emt 0:00:27]} 71. Ka1 {[%emt 0:02:20] Weighted Error Value: White=0.46/Black=0.01 (flawless)} 1/2-1/2

[Event "13th Chennai Open 2022"]
[Site "Chennai"]
[Date "2022.06.20"]
[Round "2.18"]
[White "Ravichandran, Siddharth"]
[Black "Praveen K B"]
[Result "1-0"]
[ECO "B52"]
[WhiteElo "2352"]
[BlackElo "1574"]
[Annotator "TA"]
[PlyCount "55"]
[EventDate "2022.06.19"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 9,55,8,22,0,0,0,10,0,24,32,22,0,0,0,0,0,6,6,36,37,31,23,14,12,15,16,50,24,89,84,111,111,114,112,118,119,105,122,111,117,114,114,127,127,113,119,531,527]} 1. e4 {[%emt 0:00:06]} c5 {[%emt 0:00:20]} 2. Nf3 {[%emt 0:00:10]} d6 {[%emt 0:00:37]} 3. Bb5+ {[%emt 0:01:24]} Bd7 {[%emt 0:00:46]} 4. Bxd7+ {[%emt 0:00:09]} Qxd7 {[%emt 0:00:43]} 5. O-O {[%emt 0:00:18]} Nc6 {[%emt 0:01:23]} 6. Qe2 {[%emt 0:02:13] B52: Sicilian: Moscow Variation with 3...Bd7.} g6 {[%emt 0:04:53] is the legacy move (6...Nf6).} 7. c3 {[%emt 0:00:59]} Bg7 {[%emt 0:00:12] Against d4} 8. Rd1 {[%emt 0:00:22] The position is equal.} d5 {[%emt 0:05:04]} 9. exd5 {[%emt 0:04:13]} Qxd5 {[%emt 0:00:48]} 10. d4 {[%emt 0:00:11] [#]} Rd8 $146 {[%emt 0:12:19]} ({Predecessor:} 10... Nf6 11. Qb5 cxd4 12. Qxb7 Rb8 13. Qa6 Ne4 14. cxd4 e5 15. Qe2 Rd8 16. Nc3 Nxc3 17. bxc3 {1-0 (41) Cimer,E (2306)-Nejanky,M (2027) Villa Martelli 2017}) 11. Be3 {[%emt 0:05:42]} cxd4 {[%emt 0:02:56]} 12. Nxd4 {[%emt 0:15:59]} Bxd4 {[%emt 0:14:16]} 13. Bxd4 {[%emt 0:04:05]} Nxd4 {[%emt 0:07:01]} 14. Rxd4 {[%emt 0:00:11]} Qa5 {[%emt 0:00:18]} 15. Rxd8+ {[%emt 0:02:07]} Qxd8 {[%emt 0:02:12]} 16. Na3 {[%emt 0:00:18]} Nf6 {[%emt 0:07:29]} 17. Rd1 {[%emt 0:00:36]} Qa5 {[%emt 0:00:42]} 18. Qe3 {[%emt 0:19:44]} (18. Qf3 $5 {[%cal Rf3b7]}) 18... Qa4 {[%emt 0:16:49] Against Nc4} (18... h5 $11) 19. Rd4 $16 {[%emt 0:04:32]} Qa6 {[%emt 0:00:57]} 20. h3 {[%emt 0:11:12] White is more active.} h5 {[%emt 0:07:50]} 21. Qe5 $40 {[%emt 0:03:15][%cal Re5b8][%mdl 128] [#] White goes for the king.} O-O {[%emt 0:02:43]} 22. Qxe7 {[%emt 0:00:10] Strongly threatening Rd6.} Re8 {[%emt 0:00:41]} 23. Rd8 {[%emt 0:00:12]} Rxd8 {[%emt 0:00:50]} 24. Qxd8+ {[%emt 0:00:06]} Kg7 {[%emt 0:00:39]} 25. Qd4 {[%emt 0:00:25]} Qe6 {[%emt 0:03:14]} 26. Nc4 {[%emt 0:04:25]} b5 {[%emt 0:05:57]} 27. Nd6 {[%emt 0:00:26]} Qxa2 $2 {[%emt 0:01:32][%mdl 8192] [#]} (27... a6 $16 28. a4 bxa4) 28. Ne8+ {[%emt 0:21:00] Weighted Error Value: White=0.05 (flawless) /Black=0.44} 1-0

[Event "13th Chennai Open 2022"]
[Site "Chennai"]
[Date "2022.06.20"]
[Round "3.1"]
[White "Manigandan, S S"]
[Black "Savchenko, Boris"]
[Result "0-1"]
[ECO "E15"]
[WhiteElo "2122"]
[BlackElo "2524"]
[Annotator "TA"]
[PlyCount "90"]
[EventDate "2022.06.19"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 16,90,0,12,35,8,39,37,62,50,62,46,85,96,63,0,78,65,83,77,65,65,60,70,62,44,32,35,37,36,72,34,48,20,25,31,23,0,0,-6,-5,0,-6,-8,0,0,0,0,0,-36,-36,-36,-36,-58,-36,-47,-43,-69,-53,-109,-111,-304,-58,-291,-308,-307,-307,-299,-287,-289,-293,-279,-261,-788,-781,-766,-736]} 1. d4 {[%emt 0:00:04]} Nf6 {[%emt 0:00:29]} 2. c4 {[%emt 0:00:13]} e6 {[%emt 0:00:10]} 3. Nf3 {[%emt 0:00:07]} b6 {[%emt 0:00:12]} 4. g3 {[%emt 0:00:12]} Ba6 {[%emt 0:00:11]} 5. Qa4 {[%emt 0:04:26]} Bb7 {[%emt 0:00:16]} 6. Bg2 {[%emt 0:00:07]} c5 {[%emt 0:00:05]} 7. dxc5 {[%emt 0:01:39]} Bxc5 {[%emt 0:00:24]} 8. O-O {[%emt 0:01:53]} O-O {[%emt 0:02:01]} 9. Nc3 {[%emt 0:03:04]} Qe7 {[%emt 0:03:50] E15: Queen's Indian: 4 g3 sidelines, 4 g3 Ba6 and 4 g3 Bb7 early deviations.} 10. Bf4 {[%emt 0:11:48]} d5 {[%emt 0:00:22]} 11. cxd5 {[%emt 0:01:17] [#]} exd5 $146 {[%emt 0:01:00] White is slightly better.} ({Predecessor:} 11... Nxd5 12. Nxd5 Bxd5 13. Be5 Nd7 14. Bc3 a6 15. Rfd1 b5 16. Qf4 Nf6 17. Bxf6 Qxf6 18. Qxf6 gxf6 {½-½ (33) Borgula,R (2223)-Kolodziejski,P (2048) Sypniewo 2021}) 12. Rfd1 {[%emt 0:14:29]} Nbd7 {[%emt 0:05:55]} 13. Nd4 {[%emt 0:05:21]} a6 {[%emt 0:06:01]} 14. Nf5 {[%emt 0:21:12]} Qe6 {[%emt 0:00:28]} 15. Nd4 {[%emt 0:00:45]} (15. Ne3 $14) 15... Qg4 {[%emt 0:00:46]} (15... Qe7 $1 $11 {remains equal.}) 16. h3 {[%emt 0:04:12]} Qg6 {[%emt 0:00:09]} 17. b4 {[%emt 0:00:19]} b5 {[%emt 0:01:05]} 18. Qb3 {[%emt 0:04:20]} Bxd4 {[%emt 0:02:42]} 19. Rxd4 {[%emt 0:00:12]} Nb6 {[%emt 0:01:25]} 20. a4 {[%emt 0:13:31]} bxa4 {[%emt 0:01:06]} 21. Nxa4 {[%emt 0:00:02]} Nxa4 {[%emt 0:00:27]} 22. Qxa4 {[%emt 0:08:07]} h6 {[%emt 0:00:59]} 23. Rc1 {[%emt 0:01:49]} Rfc8 {[%emt 0:00:25]} 24. Rdd1 {[%emt 0:00:09]} Ne4 {[%emt 0:01:10]} 25. Qd7 {[%emt 0:01:21]} Bc6 {[%emt 0:00:28]} 26. Bxe4 {[%emt 0:00:12]} dxe4 {[%emt 0:00:12]} 27. Qd6 {[%emt 0:00:09]} Qxd6 {[%emt 0:00:45]} 28. Bxd6 {[%emt 0:01:17]} Ba4 {[%emt 0:00:29]} 29. Re1 {[%emt 0:01:20]} Rd8 {[%emt 0:00:15]} 30. Bc5 {[%emt 0:01:15]} Rd2 {[%emt 0:00:09]} 31. g4 {[%emt 0:00:36]} Bb5 {[%emt 0:00:22]} 32. Kf1 {[%emt 0:00:31]} Rad8 {[%emt 0:01:15]} 33. Bb6 {[%emt 0:00:27]} R8d7 {[%emt 0:00:27]} 34. Bc5 {[%emt 0:00:32]} g5 {[%emt 0:00:33]} 35. Bb6 {[%emt 0:00:30]} Rb2 {[%emt 0:01:02]} 36. Bc5 {[%emt 0:00:29]} Kg7 {[%emt 0:01:05] Black is more active.} 37. Rc3 {[%emt 0:00:31] [#]} ({White should try} 37. Kg2 $15) 37... Rxe2 $1 $17 {[%emt 0:00:24]} 38. Rxe2 {[%emt 0:00:30]} (38. Rcc1 $17) 38... Rd1+ $19 {[%emt 0:00:08][%mdl 64] Deflection} 39. Kg2 {[%emt 0:00:10]} Bxe2 {[%emt 0:00:07][%mdl 4096] Endgame KRB-KRB} 40. f3 {[%emt 0:00:50]} Bxf3+ {[%emt 0:02:05]} 41. Kf2 {[%emt 0:00:06]} Rd2+ {[%emt 0:01:27]} 42. Ke1 {[%emt 0:00:50]} Rh2 {[%emt 0:07:35]} 43. Bd4+ {[%emt 0:00:12]} Kf8 {[%emt 1:01:34]} 44. Rc7 $2 {[%emt 0:00:50]} (44. Ra3) 44... e3 {[%emt 0:00:00][%cal Rh2h1] [#]} 45. Bc5+ {[%emt 0:00:31]} Kg8 {[%emt 0:00:00] Weighted Error Value: White=0.29 (precise) /Black=0.11 (very precise)} 0-1

[Event "13th Chennai Open 2022"]
[Site "Chennai"]
[Date "2022.06.20"]
[Round "3.2"]
[White "Fedorov, Alexei"]
[Black "Vignesh B"]
[Result "1/2-1/2"]
[ECO "C54"]
[WhiteElo "2529"]
[BlackElo "2072"]
[Annotator "TA"]
[PlyCount "59"]
[EventDate "2022.06.19"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 11,59,6,16,0,3,0,0,0,0,0,0,0,12,0,0,-3,-8,-10,27,25,0,-19,-4,-2,0,-6,-4,-1,-12,-12,-12,-6,-6,-16,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-6]} 1. e4 {[%emt 0:00:03]} e5 {[%emt 0:04:15]} 2. Nf3 {[%emt 0:00:43]} Nc6 {[%emt 0:00:09]} 3. Bc4 {[%emt 0:00:15]} Bc5 {[%emt 0:00:30]} 4. c3 {[%emt 0:00:34]} Nf6 {[%emt 1:27:36]} 5. d3 {[%emt 0:00:06]} d6 {[%emt 0:00:00]} 6. Nbd2 {[%emt 0:03:09]} O-O {[%emt 0:00:00] 6...a5 is a critical line.} 7. h3 {[%emt 0:01:45] C54: Giuoco Piano: 4 c3 Nf6, main lines with 5 d4 and 5 d3.} a5 {[%emt 0:00:00]} 8. Nf1 {[%emt 0:01:13]} Be6 {[%emt 0:02:00]} 9. Bxe6 {[%emt 0:04:24]} fxe6 {[%emt 0:00:00]} 10. Ng3 {[%emt 0:00:06]} a4 {[%emt 0:01:00]} 11. O-O {[%emt 1:23:42] [#]} Bb6 $146 {[%emt 0:00:30]} ({Predecessor:} 11... Ba7 12. d4 exd4 13. cxd4 Qe8 14. Be3 d5 15. e5 Nh5 16. Ne2 Rxf3 17. gxf3 {1-0 (17) Oratovsky,M (2467)-Mikhalevski,V (2565) Ramat Gan 2018}) 12. d4 {[%emt 0:00:30]} Qe8 {[%emt 0:00:00]} 13. Be3 {[%emt 0:00:30]} exd4 {[%emt 0:01:00]} 14. cxd4 {[%emt 0:00:30]} Nh5 {[%emt 0:00:00]} 15. Nxh5 {[%emt 0:00:00]} Qxh5 {[%emt 0:00:00]} 16. a3 {[%emt 0:01:00] The position is equal.} Qg6 {[%emt 0:00:00]} 17. d5 {[%emt 0:00:00] [#] And now Bxb6 would win.} Bxe3 {[%emt 0:00:00]} 18. fxe3 {[%emt 0:00:00]} Ne7 {[%emt 0:02:30][%cal Bc6e7,Be7f5,Bf5g3][%mdl 32]} 19. Qd4 {[%emt 0:00:00]} exd5 {[%emt 0:00:00]} 20. exd5 {[%emt 0:00:00]} Nf5 {[%emt 0:00:00]} 21. Qd3 {[%emt 0:00:00]} Rae8 {[%emt 0:00:00]} 22. Rae1 {[%emt 0:00:00]} Ng3 {[%emt 0:00:00]} 23. Qxg6 {[%emt 0:00:00]} hxg6 {[%emt 0:00:00]} 24. Rf2 {[%emt 0:00:00]} Ne4 {[%emt 0:00:00]} 25. Rc2 {[%emt 0:00:00]} Rf7 {[%emt 0:00:00]} 26. Rc4 {[%emt 0:00:00]} Rxf3 {[%emt 0:00:00]} 27. Rxe4 {[%emt 0:00:00]} Rxe4 {[%emt 0:00:00]} 28. gxf3 {[%emt 0:00:00]} Rc4 {[%emt 0:00:00] Strongly threatening ...Rc2.} 29. Re2 {[%emt 0:00:00] Prevents Rc2.} Kf7 {[%emt 0:00:00]} 30. Kf2 {[%emt 0:00:00] An even fight not without its subleties.  Weighted Error Value: White=0.03 (flawless) /Black=0.04 (flawless)} 1/2-1/2

[Event "13th Chennai Open 2022"]
[Site "Chennai"]
[Date "2022.06.20"]
[Round "3.3"]
[White "Aronyak Ghosh"]
[Black "Nguyen, Thanh Thuy Tien"]
[Result "0-1"]
[ECO "A13"]
[WhiteElo "2494"]
[BlackElo "1996"]
[Annotator "TA"]
[PlyCount "84"]
[EventDate "2022.06.19"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 14,84,10,4,30,0,0,0,0,-16,0,-31,0,0,0,-38,-31,-29,-14,-23,35,35,35,33,37,22,22,24,33,33,37,0,0,0,0,0,0,0,0,0,511,-220,-168,-666,-663,-656,-651,-635,-543,-985,-968,-1252,-1243,-1150,0,-952,-867,-840,-793,-2110,-2018,-5306,-3243,-29975,-29975,-29976,-29977,-29976,-29977,-29975,-29973,-29988,-29989]} 1. Nf3 {[%emt 0:00:48]} Nf6 {[%emt 0:00:58]} 2. c4 {[%emt 0:01:12]} e6 {[%emt 0:00:23]} 3. g3 {[%emt 0:00:54]} d5 {[%emt 0:00:14]} 4. Bg2 {[%emt 0:00:07]} d4 {[%emt 0:02:43]} 5. O-O {[%emt 0:01:13]} c5 {[%emt 0:01:23]} 6. e3 {[%emt 0:00:36]} Nc6 {[%emt 0:00:26]} 7. exd4 {[%emt 0:01:53]} cxd4 {[%emt 0:00:12]} 8. d3 {[%emt 0:00:18]} h6 {[%emt 0:02:28] A13: English Opening: 1...e6.} 9. Re1 {[%emt 0:00:26]} (9. Bf4 $142) 9... Bd6 $11 {[%emt 0:00:29]} 10. b3 {[%emt 0:01:58]} O-O {[%emt 0:06:41] The position is equal.} 11. Ba3 {[%emt 0:00:18]} Re8 {[%emt 0:00:59]} 12. c5 {[%emt 0:05:00]} Bf8 {[%emt 0:03:03] [#]} 13. Nbd2 $146 {[%emt 0:03:00]} ({Predecessor:} 13. b4 a5 14. Qa4 Nxb4 15. Bxb4 Bd7 16. Qc2 axb4 17. Nxd4 Ba4 18. Qc4 Ra5 19. Nd2 Rxc5 20. Qxb4 {1-0 (41) Nikitenko,M (2452)-Todorovic,G (2425) Novi Sad 2021}) 13... Nd5 {[%emt 0:03:40]} 14. Ne5 {[%emt 0:03:57]} Nxe5 {[%emt 0:09:06]} 15. Rxe5 {[%emt 0:00:07][%cal Be1e5,Be5d5,Bd5d8][%mdl 32]} Qc7 {[%emt 0:00:54]} 16. Nc4 {[%emt 0:02:27]} f6 {[%emt 0:04:44]} (16... Nc3 $11 17. Qh5 Rd8) 17. Qh5 $14 {[%emt 0:09:41]} Rd8 {[%emt 0:12:37] [#]} 18. Bxd5 $1 {[%emt 0:11:23]} exd5 {[%emt 0:08:59]} (18... fxe5 19. Be4 g5 20. Nd6 $16 (20. Qg6+ Qg7 $14)) 19. Rxd5 {[%emt 0:00:05]} Bg4 {[%emt 0:00:22] [#]} 20. Rxd8 $1 {[%emt 0:01:09]} Bxh5 {[%emt 0:00:07]} 21. Rxa8 {[%emt 0:00:03] And now c6 would win.} Kf7 $1 {[%emt 0:01:14]} 22. Re1 {[%emt 0:14:53] Black must now prevent Ree8.} (22. Rxa7 $5 {[%cal Rc4d6]} Bf3 23. Nd2 $14) 22... Bxc5 {[%emt 0:03:07]} 23. Bxc5 {[%emt 0:01:19]} Qxc5 {[%emt 0:00:07] Dancing on a razor blade.} 24. Rc8 {[%emt 0:00:18]} Qb4 {[%emt 0:09:06]} 25. Rc7+ $1 {[%emt 0:00:18]} Kg6 {[%emt 0:00:27]} 26. Ree7 {[%emt 0:05:22]} Bf3 {[%emt 0:01:28][%mdl 8192]} (26... b5 $1 $11 27. a3 (27. Rxg7+ Kf5 $11) 27... Qxb3 28. Rxg7+ Kf5 29. Rc5+ Ke6 30. Rc6+ Kf5 31. Nd6+ Ke5) 27. Kf1 $4 {[%emt 0:07:11][%mdl 8192]} (27. Rxg7+ $18 {was the only winning move.} Kh5 {[#]} 28. Nd2 $1 {[%mdl 512]}) 27... b5 $40 {[%emt 0:03:13][%mdl 128] Black goes for the king.} 28. Ne5+ {[%emt 0:02:14]} (28. Rxg7+ Kf5 29. Rcd7 (29. g4+ $2 Bxg4 30. Rb7 a6 $19) 29... bxc4 30. Rxd4) 28... fxe5 {[%emt 0:00:37]} 29. Rxg7+ {[%emt 0:00:04]} Kh5 {[%emt 0:04:24]} 30. Rcf7 {[%emt 0:00:06][%cal Rf7f5]} Bg4 {[%emt 0:00:23] Prevents Rf5+.} 31. Kg2 {[%emt 0:00:07]} Qe1 {[%emt 0:00:31][%cal Og4h3] ...Bh3+! is the strong threat.} 32. Rf6 {[%emt 0:02:41] [#]} Bh3+ $1 {[%emt 0:03:31][%mdl 512]} 33. Kf3 {[%emt 0:00:05]} Bg4+ {[%emt 0:04:43]} 34. Kg2 {[%emt 0:00:13]} e4 {[%emt 0:03:06][%cal Og4h3] ( -> ...Bh3+!)} 35. Rxg4 {[%emt 0:06:07]} Kxg4 {[%emt 0:00:09]} 36. dxe4 {[%emt 0:00:04][%mdl 4096] Endgame KQ-KR} Kg5 {[%emt 0:00:55]} 37. e5 {[%emt 0:00:20]} Qe4+ {[%emt 0:01:30]} 38. Kh3 {[%emt 0:00:25]} Qxe5 {[%emt 0:01:03] Black mates.} 39. f4+ {[%emt 0:00:05]} Kxf6 {[%emt 0:00:09]} 40. fxe5+ {[%emt 0:00:04]} Kxe5 {[%emt 0:00:07]} 41. Kg2 {[%emt 0:00:01]} Ke4 {[%emt 0:00:55]} 42. h4 {[%emt 0:01:14]} Ke3 {[%emt 0:00:16] Weighted Error Value: White=1.07/Black=0.44} 0-1

[Event "13th Chennai Open 2022"]
[Site "Chennai"]
[Date "2022.06.20"]
[Round "3.4"]
[White "Prasannaa.s"]
[Black "Deepan Chakkravarthy J."]
[Result "1/2-1/2"]
[ECO "B22"]
[WhiteElo "2164"]
[BlackElo "2478"]
[Annotator "TA"]
[PlyCount "108"]
[EventDate "2022.06.19"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 17,108,32,21,0,0,-8,0,0,0,6,5,-7,-4,-10,-21,-15,-16,-49,-35,-74,-54,-86,-63,-61,-41,-44,-42,-57,-36,-52,-18,-32,-18,-58,-41,-37,-34,-27,-16,-43,-31,-29,-28,-35,-31,-26,-25,-36,-47,-60,-62,-71,-68,-83,-27,-36,-31,-33,-33,-53,-53,-61,-60,-102,-60,-127,-54,-54,-54,-137,-54,-54,0,0,0,0,0,-8,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 {[%emt 0:00:04]} c5 {[%emt 0:00:49]} 2. c3 {[%emt 0:00:08]} Nf6 {[%emt 0:01:17]} 3. e5 {[%emt 0:00:07]} Nd5 {[%emt 0:00:03]} 4. d4 {[%emt 0:00:04]} cxd4 {[%emt 0:00:06]} 5. Nf3 {[%emt 0:00:02]} Nc6 {[%emt 0:00:47]} 6. cxd4 {[%emt 0:00:06]} d6 {[%emt 0:00:07]} 7. Bc4 {[%emt 0:00:05]} Nb6 {[%emt 0:01:29]} 8. Bb5 {[%emt 0:00:07]} e6 {[%emt 0:00:14]} 9. O-O {[%emt 0:02:45]} Bd7 {[%emt 0:00:16][%cal Oc6e5] 9...Be7 is not played anymore.} 10. exd6 {[%emt 0:03:46] B22: Sicilian: 2 c3.} Bxd6 {[%emt 0:00:10]} 11. Nc3 {[%emt 0:00:03]} O-O $1 {[%emt 0:02:52] The main line 11...0-0 scores better than 11...Nb4.} 12. Re1 {[%emt 0:04:16]} Ne7 {[%emt 0:15:30][%cal Bc6e7,Be7f5,Bf5e3][%mdl 32]} 13. Bd3 {[%emt 0:00:48][%cal Od3h7]} Nbd5 {[%emt 0:08:47] [#]} 14. Ne5 $146 {[%emt 0:26:10]} ({Predecessor:} 14. Qe2 Bc6 15. Ne5 Bxe5 16. dxe5 Nxc3 17. bxc3 Qd5 18. f3 Rfd8 19. Bg5 Qxd3 20. Bxe7 Qxe2 21. Rxe2 Rd3 22. Rc1 {1-0 (57) Abdrlauf,E (2373)-Vitiugov,N (2722) Chess.com INT 2020}) 14... Bxe5 {[%emt 0:13:45]} 15. Rxe5 {[%emt 0:01:01]} Bc6 {[%emt 0:00:07]} 16. Rh5 {[%emt 0:05:47]} g6 {[%emt 0:01:58]} 17. Rh3 {[%emt 0:01:45]} Nf5 {[%emt 0:00:58]} 18. Ne4 {[%emt 0:03:50]} Nb4 {[%emt 0:05:58] Pair of Knights!} (18... Nxd4 $5 {[%cal Re6e5]} 19. Bh6 e5 $1 $15) 19. Be3 {[%emt 0:11:31]} Nxe3 {[%emt 0:12:13]} 20. fxe3 {[%emt 0:00:11]} Kg7 {[%emt 0:11:56][%cal Oe6e5]} 21. Bb1 {[%emt 0:06:48]} Nd5 {[%emt 0:06:02]} 22. Qd2 {[%emt 0:01:09]} h5 {[%emt 0:02:47][%cal Oe6e5]} (22... e5 {seems wilder.} 23. Bc2 f5 24. Nc5 Re8) 23. Bd3 {[%emt 0:00:51]} Ne7 {[%emt 0:00:40]} 24. Nc3 {[%emt 0:05:17]} Qd6 {[%emt 0:01:52]} 25. Rf1 {[%emt 0:01:01]} Rad8 {[%emt 0:00:44]} 26. Qf2 {[%emt 0:00:59] Qf6+ is the strong threat.} e5 {[%emt 0:01:20]} 27. Ne2 {[%emt 0:04:25]} f5 {[%emt 0:06:10][%cal Bf7f5,Bf5f4][%mdl 32]} 28. Qh4 {[%emt 0:05:33]} Qf6 {[%emt 0:02:21] Inhibits Qg5. Strongly threatening ...Qxh4.} 29. Qg3 {[%emt 0:00:20]} f4 {[%emt 0:00:17]} 30. dxe5 $1 {[%emt 0:06:12]} fxg3 {[%emt 0:00:40][%csl Gf8][%cal Rf6f1][%mdl 64] Discovered Attack} 31. exf6+ {[%emt 0:00:04]} Rxf6 {[%emt 0:00:08]} 32. Nd4 {[%emt 0:02:40]} gxh2+ {[%emt 0:01:11]} 33. Kxh2 {[%emt 0:00:06]} Rxf1 {[%emt 0:00:38]} 34. Bxf1 {[%emt 0:00:19] aiming for Ne6+.} Bd7 {[%emt 0:01:52] Against Ne6+} 35. Rh4 {[%emt 0:00:50]} Nc6 {[%emt 0:01:18]} (35... Nd5 $17 36. Re4 Nf6 37. Ne6+ (37. Re7+ $2 Kf8 $19) 37... Bxe6 38. Rxe6 Ng4+ 39. Kg3 Rd2) 36. Re4 {[%emt 0:00:56]} Re8 {[%emt 0:00:15]} 37. Rxe8 {[%emt 0:03:39]} Bxe8 {[%emt 0:00:01]} 38. Nxc6 {[%emt 0:00:37]} Bxc6 $15 {[%emt 0:00:03][%mdl 4096] Endgame KB-KB} 39. Be2 {[%emt 0:00:13]} Kf6 {[%emt 0:00:32]} 40. Bf3 {[%emt 0:01:40]} Kf5 {[%emt 0:01:39]} 41. Kg3 {[%emt 0:00:08] [#]} ({White should play} 41. Bd1 $15) 41... Be4 {[%emt 0:00:31]} (41... Bxf3 $1 $17 42. gxf3 g5) 42. Kh4 {[%emt 0:01:48]} b6 $1 {[%emt 0:00:15]} 43. b4 {[%emt 0:01:10] [#]} (43. b3 $15) 43... Bd3 {[%emt 0:00:25]} (43... Bxf3 $1 $17 44. gxf3 b5) 44. a3 {[%emt 0:01:16]} a5 {[%emt 0:00:09]} ({Black should try} 44... Bb5 $15) 45. bxa5 $11 {[%emt 0:00:03] The position is equal.} bxa5 {[%emt 0:00:02]} 46. Bc6 {[%emt 0:01:14]} Be2 {[%emt 0:00:10]} 47. Bf3 {[%emt 0:00:07]} Bxf3 {[%emt 0:01:26]} 48. gxf3 {[%emt 0:00:04] K3P-K3P} a4 {[%emt 0:00:02]} 49. Kh3 {[%emt 0:02:15]} g5 {[%emt 0:00:07]} 50. Kg3 {[%emt 0:00:02]} Ke5 {[%emt 0:01:26]} 51. f4+ {[%emt 0:00:10]} gxf4+ {[%emt 0:00:49]} 52. exf4+ {[%emt 0:00:04]} Kf5 {[%emt 0:00:27]} (52... Ke4 $5) 53. Kh4 {[%emt 0:00:04]} Kxf4 {[%emt 0:00:03] ( -> ...Ke5)} 54. Kxh5 {[%emt 0:00:05]} Ke5 {[%emt 0:01:46] Weighted Error Value: White=0.12 (very precise) /Black=0.12 (very precise)} 1/2-1/2

[Event "13th Chennai Open 2022"]
[Site "Chennai"]
[Date "2022.06.20"]
[Round "3.5"]
[White "Stupak, Kirill"]
[Black "Daakshin Arun"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "2440"]
[BlackElo "2016"]
[Annotator "TA"]
[PlyCount "85"]
[EventDate "2022.06.19"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 16,85,40,11,11,-3,97,88,114,85,80,85,90,88,85,94,95,64,79,17,17,14,24,10,16,20,84,88,81,24,31,22,39,33,32,29,112,116,121,121,275,264,268,268,262,228,236,161,262,258,328,318,316,314,649,589,636,622,606,587,585,552,900,833,845,764,861,589,940,833,29993,29994]} 1. d4 {[%emt 0:00:01]} Nf6 {[%emt 0:00:12]} 2. g3 {[%emt 0:00:01]} g6 {[%emt 0:00:34]} 3. Bg2 {[%emt 0:00:02]} Bg7 {[%emt 0:00:38]} 4. e4 {[%emt 0:00:02]} d6 {[%emt 0:00:08]} 5. Nc3 {[%emt 0:00:02]} O-O {[%emt 0:00:22]} 6. Nge2 {[%emt 0:00:02]} c5 {[%emt 0:00:28]} 7. dxc5 {[%emt 0:00:04]} dxc5 {[%emt 0:00:47]} 8. Qxd8 {[%emt 0:00:03]} Rxd8 {[%emt 0:00:06]} 9. Be3 {[%emt 0:00:02]} Na6 {[%emt 0:02:54] B07: Pirc Defence: Miscellaneous Systems.} 10. h3 {[%emt 0:00:01] Prevents Ng4.} Nd7 {[%emt 0:04:11]} (10... Ne8 $11) 11. O-O-O $1 $16 {[%emt 0:00:21] [#]} Re8 $146 {[%emt 0:02:12] White is better.} ({Predecessor:} 11... b6 12. e5 Rb8 13. f4 Bb7 14. Bxb7 Rxb7 15. Rd2 Re8 16. Rhd1 Nab8 17. Ne4 Bh6 {1-0 (34) Pel,B (2247)-Van Foreest,M (1989) Groningen 2017}) 12. Nb5 {[%emt 0:05:12]} Nb6 {[%emt 0:03:13]} 13. b3 {[%emt 0:03:02] Against Nc4} Bd7 {[%emt 0:06:38]} 14. c4 {[%emt 0:00:13]} Bxb5 {[%emt 0:06:00]} 15. cxb5 {[%emt 0:00:05]} Nc7 {[%emt 0:00:25]} 16. a4 $1 {[%emt 0:05:07]} (16. Bxc5 $6 Rac8 17. Kb1 Nxb5 $11) 16... c4 {[%emt 0:03:29]} 17. e5 {[%emt 0:03:17]} (17. a5 cxb3 18. axb6 axb6 $14) (17. Kc2 $1 $16) 17... cxb3 $11 {[%emt 0:01:21]} 18. Bxb7 {[%emt 0:00:11]} Rab8 {[%emt 0:04:07]} 19. Bc6 {[%emt 0:01:26] Hoping for Bxb6. A strong pair of Bishops.} Rec8 {[%emt 0:01:15]} 20. Bxb6 {[%emt 0:02:30]} Rxb6 {[%emt 0:03:15]} (20... axb6 $11 {keeps the balance.} 21. f4 Ne6) 21. f4 $16 {[%emt 0:00:17]} f6 {[%emt 0:04:18]} 22. Bd7 {[%emt 0:00:27] White is more active.} ({White should play} 22. Kb1 $16) 22... Rf8 $11 {[%emt 0:02:30]} 23. e6 {[%emt 0:01:41][%cal Of4f5] f5! is the strong threat.} f5 {[%emt 0:00:41]} (23... Nxe6 $2 24. a5 Rxb5 25. Bxb5 $18) 24. Nd4 {[%emt 0:04:52][%cal Be2d4,Bd4c6,Bc6e7][%mdl 32]} b2+ {[%emt 0:04:07]} 25. Kb1 {[%emt 0:01:03][%cal Bc1b1,Bb1c2,Bc2b2][%mdl 32] Threatening Nc6.} (25. Kxb2 Rd6 26. Kc3 Nd5+ 27. Kb3 Ne3 $15) 25... Nd5 {[%emt 0:01:20] [#]} (25... Rd6 $2 26. Nc6 Rxd1+ 27. Rxd1 $18) (25... Bf6 $1 $11) 26. Nc6 $1 $36 {[%emt 0:10:18][%mdl 2048] White is on the roll.} ({Reject} 26. Kxb2 $6 Ne3 $11) 26... Nc3+ {[%emt 0:00:06]} 27. Kc2 {[%emt 0:00:01]} Nxd1 $2 {[%emt 0:06:09] This costs Black the game.} (27... Bf6 $16 {keeps fighting.}) 28. Nxe7+ $18 {[%emt 0:00:04]} Kh8 {[%emt 0:00:04]} 29. Rxd1 {[%emt 0:00:06] Black must now prevent Nc6.} Bf6 {[%emt 0:01:55]} 30. Nc6 {[%emt 0:07:49]} Rb7 {[%emt 0:00:37]} 31. Ne5 {[%emt 0:01:14]} ({Worse is} 31. e7 {[#]} Bxe7 $1 32. Kxb2 (32. Nxe7 Rf7 $16) 32... Bc5 $15) 31... Kg7 {[%emt 0:06:09]} (31... a6 {was worth a try.}) 32. Kxb2 {[%emt 0:01:36]} Rd8 {[%emt 0:00:20]} 33. Kb3 {[%emt 0:00:47]} Bxe5 {[%emt 0:00:42]} 34. e7 {[%emt 0:00:40]} ({Not} 34. fxe5 Kf8 $16) 34... Rdb8 {[%emt 0:03:12]} (34... Re8) 35. fxe5 {[%emt 0:01:05][%mdl 4096] Endgame KRR-KRB} Kf7 {[%emt 0:00:15]} 36. e8=Q+ {[%emt 0:00:11]} Rxe8 {[%emt 0:00:05]} 37. Bxe8+ {[%emt 0:00:08]} Kxe8 {[%emt 0:00:04] KR-KR} 38. Kb4 {[%emt 0:00:07]} Ke7 {[%emt 0:01:15]} 39. Rd6 {[%emt 0:00:12]} Rc7 {[%emt 0:02:30]} 40. a5 {[%emt 0:00:12]} Rc1 {[%emt 0:00:06]} 41. b6 {[%emt 0:00:42]} a6 {[%emt 0:01:20]} 42. Rd3 {[%emt 0:00:31] White threatens b7 and mate.} Rc5 {[%emt 0:00:43]} 43. Kxc5 {[%emt 0:00:07] Weighted Error Value: White=0.18 (very precise) /Black=0.61} 1-0

[Event "13th Chennai Open 2022"]
[Site "Chennai"]
[Date "2022.06.20"]
[Round "3.6"]
[White "Rohit S"]
[Black "Ajay Karthikeyan"]
[Result "0-1"]
[ECO "B06"]
[WhiteElo "2141"]
[BlackElo "2436"]
[Annotator "TA"]
[PlyCount "62"]
[EventDate "2022.06.19"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 9,62,41,40,47,43,24,41,5,46,45,18,-85,-87,-160,-146,-138,-122,-117,-87,-256,-256,-223,-218,-208,-127,-258,-103,-166,-165,-217,-174,-198,-216,-203,-219,-220,-200,-375,-371,-387,-402,-403,-394,-593,-589,-567,-575,-622,-611,-618,-609,-775,-757,-723,-711]} 1. e4 {[%emt 0:00:01]} g6 {[%emt 0:02:04]} 2. d4 {[%emt 0:00:11]} Bg7 {[%emt 0:00:06]} 3. Nc3 {[%emt 0:00:12]} d6 {[%emt 0:00:03]} 4. Be3 {[%emt 0:00:19]} a6 {[%emt 0:01:17]} 5. g4 {[%emt 0:00:17][%cal Bg2g4,Bg4g5][%mdl 32]} Nf6 {[%emt 0:09:24]} 6. f3 {[%emt 0:06:32] B06: Modern Defence.} h5 {[%emt 0:01:00][%cal Rh5g4]} 7. g5 {[%emt 0:03:00]} Nfd7 {[%emt 0:00:22]} 8. f4 {[%emt 0:03:10] White is slightly better.} b5 {[%emt 0:04:50] [#]} 9. Nf3 $146 {[%emt 0:05:31]} ({Predecessor:} 9. Nge2 Nb6 10. Qd3 b4 11. Nd1 a5 12. b3 Ba6 13. Qd2 c5 14. f5 Bb7 15. fxg6 fxg6 {1-0 (31) Rudzinska,M (1867)-Paziak,P (1792) Darlowko 2017}) 9... Bb7 {[%emt 0:14:57]} 10. b4 {[%emt 0:11:48]} (10. d5 $11 {keeps the balance.}) 10... c5 $17 {[%emt 0:03:11]} 11. a3 {[%emt 0:02:56]} ({White should try} 11. bxc5 dxc5 12. Bg2) 11... Nc6 {[%emt 0:04:01]} 12. Qd2 {[%emt 0:04:30]} cxd4 {[%emt 0:04:14]} (12... cxb4 13. axb4 Nxb4 14. Rb1 $17) 13. Nxd4 {[%emt 0:01:13]} Rc8 {[%emt 0:00:35]} 14. f5 $2 {[%emt 0:09:04]} (14. Rg1 $17) 14... Nxd4 {[%emt 0:12:58]} 15. Bxd4 {[%emt 0:00:02]} Bxd4 {[%emt 0:00:36]} 16. Qxd4 {[%emt 0:00:07]} O-O {[%emt 0:08:48] Strongly threatening ...Qc7.} 17. O-O-O {[%emt 0:04:20] [#]} (17. Rg1 $17) 17... Ne5 $2 {[%emt 0:07:03]} (17... Qc7 $1 $19 {[%cal Rc7c3]} 18. Rd3 gxf5) 18. fxg6 {[%emt 0:01:44]} (18. Nd5 $17) 18... Qc7 $19 {[%emt 0:06:03]} ({Inferior is} 18... fxg6 19. Bh3 $15) (18... Nxg6 19. Kb2 $15) 19. g7 {[%emt 0:04:22]} (19. Kb2 {was worth a try.} Bxe4 20. g7 (20. gxf7+ $2 Rxf7 21. Qxe4 Qxc3+ 22. Kb1 Rf2 $19) 20... Bxh1 21. gxf8=B Rxf8 22. Be2) 19... Kxg7 {[%emt 0:05:52]} ({Weaker is} 19... Qxc3 20. Qxc3 Rxc3 21. gxf8=Q+ Kxf8 22. Kb2 $14) 20. Kb2 {[%emt 0:02:27] [#]} Qxc3+ $1 {[%emt 0:02:47][%mdl 512]} 21. Qxc3 {[%emt 0:00:10]} Rxc3 {[%emt 0:00:04]} 22. Kxc3 {[%emt 0:00:04]} Bxe4 {[%emt 0:00:05]} 23. Rg1 $2 {[%emt 0:01:06]} (23. Bd3 Rc8+ 24. Kb2 Bxh1 25. Rxh1) 23... Rc8+ {[%emt 0:00:34]} 24. Kb2 {[%emt 0:01:25]} Rxc2+ {[%emt 0:00:05]} 25. Ka1 {[%emt 0:00:49]} Rxh2 {[%emt 0:00:40]} 26. Rc1 {[%emt 0:01:16]} (26. a4 $142) 26... h4 {[%emt 0:04:53][%cal Bh5h4,Bh4h3,Bh3h2][%mdl 32] Black is clearly winning.} 27. a4 {[%emt 0:00:39]} Rd2 {[%emt 0:00:51]} 28. axb5 {[%emt 0:00:16]} axb5 {[%emt 0:00:08]} 29. Bxb5 {[%emt 0:00:51]} h3 {[%emt 0:02:41] ...h2 is the strong threat.} 30. Ba6 {[%emt 0:00:54]} h2 {[%emt 0:00:41]} 31. Rge1 {[%emt 0:00:04]} Bd5 {[%emt 0:00:53] Weighted Error Value: White=0.60/Black=0.16 (very precise)} 0-1

[Event "13th Chennai Open 2022"]
[Site "Chennai"]
[Date "2022.06.20"]
[Round "3.7"]
[White "Nitin, S.."]
[Black "Arpith S Bijoy"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "2399"]
[BlackElo "1713"]
[Annotator "RC"]
[PlyCount "59"]
[EventDate "2022.06.19"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:00:33]} c6 {[%emt 0:00:14]} 2. d4 {[%emt 0:01:09]} d5 {[%emt 0:00:49]} 3. e5 {[%emt 0:00:09]} Bf5 {[%emt 0:01:01]} 4. Be3 {[%emt 0:00:26]} e6 {[%emt 0:01:27]} 5. Nd2 {[%emt 0:00:36]} Qb6 {[%emt 0:05:51]} 6. Nb3 {[%emt 0:05:16]} Nd7 {[%emt 0:02:41]} 7. Nf3 {[%emt 0:03:46]} h6 {[%emt 0:03:30]} 8. Be2 {[%emt 0:05:38]} Bh7 {[%emt 0:02:50]} 9. O-O {[%emt 0:01:16]} Ne7 {[%emt 0:01:51]} 10. a4 {[%emt 0:01:42]} Qc7 {[%emt 0:07:04]} 11. a5 {[%emt 0:00:43]} Nf5 {[%emt 0:01:22]} 12. Bd2 {[%emt 0:02:23]} Be7 {[%emt 0:01:39]} 13. c4 {[%emt 0:00:44]} dxc4 {[%emt 0:04:18]} 14. Bxc4 {[%emt 0:00:31]} O-O {[%emt 0:00:10]} 15. Qe2 {[%emt 0:02:08]} Rfe8 {[%emt 0:09:16]} 16. Rac1 {[%emt 0:01:08]} Rad8 {[%emt 0:08:06]} 17. a6 {[%emt 0:06:12]} b6 {[%emt 0:00:17]} 18. Bd3 {[%emt 0:02:08]} Nb8 {[%emt 0:01:41]} 19. Be4 {[%emt 0:03:11]} Bf8 {[%emt 0:03:48]} 20. Qd3 {[%emt 0:04:15]} Bg6 {[%emt 0:02:32]} 21. d5 {[%emt 0:01:40]} Qc8 {[%emt 0:02:46]} 22. d6 {[%emt 0:01:10]} Nxd6 {[%emt 0:01:12]} 23. exd6 {[%emt 0:04:34]} f5 {[%emt 0:01:04]} 24. Bxc6 {[%emt 0:00:52]} Nxc6 {[%emt 0:00:13]} 25. Qb5 {[%emt 0:00:36]} Bxd6 {[%emt 0:08:25]} 26. Rxc6 {[%emt 0:02:36]} Qd7 {[%emt 0:00:03]} 27. Bc3 {[%emt 0:00:41]} Bh5 {[%emt 0:02:29]} 28. Ne5 {[%emt 0:00:52]} Bxe5 {[%emt 0:00:31]} 29. Qxe5 {[%emt 0:00:21]} Re7 {[%emt 0:00:13]} 30. Nd4 {[%emt 0:00:30]} 1-0

[Event "13th Chennai Open 2022"]
[Site "Chennai"]
[Date "2022.06.20"]
[Round "3.8"]
[White "Dinesh Kumar Jaganathan"]
[Black "Srihari L R"]
[Result "0-1"]
[ECO "B11"]
[WhiteElo "1974"]
[BlackElo "2404"]
[Annotator "TA"]
[PlyCount "80"]
[EventDate "2022.06.19"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 9,80,-14,-7,-5,-18,-35,-8,-7,-14,-41,-41,-48,-40,-52,-29,-38,-32,-33,-6,-11,-11,-15,0,0,0,-4,18,15,11,8,11,-3,0,0,0,0,10,12,18,27,11,0,0,0,-2,-18,-20,-20,-20,-20,-18,-68,-68,-64,-64,-114,-100,-155,-166,-165,-155,-220,-197,-218,-144,-218,-208,-218,-215,-223,-213,-209,-179]} 1. Nc3 {[%emt 0:00:30]} d5 {[%emt 0:00:30]} 2. e4 {[%emt 0:00:30]} c6 {[%emt 0:00:30]} 3. Nf3 {[%emt 0:00:30]} Bg4 {[%emt 0:00:30]} 4. exd5 {[%emt 0:00:30]} cxd5 {[%emt 0:00:30]} 5. Bb5+ {[%emt 0:00:30]} Nc6 {[%emt 0:00:30]} 6. d4 {[%emt 0:00:30] B11: Caro-Kann: Two Knights Variation.} e6 {[%emt 0:00:30]} 7. Qd3 {[%emt 0:00:30]} Bxf3 {[%emt 0:00:30]} 8. Qxf3 {[%emt 0:00:30] The position is equal.} Bd6 {[%emt 0:00:30] [#]} 9. Ne2 $146 {[%emt 0:00:30]} ({Predecessor:} 9. O-O Qh4 10. h3 Qxd4 11. Rd1 Qf6 12. Qe2 Qe5 13. Qxe5 Bxe5 14. Bd2 a6 15. Bd3 {0-1 (45) Zak,P (1328)-Paliszewski,D (1621) Szczyrk 2014}) 9... Qa5+ {[%emt 0:00:30]} 10. Nc3 {[%emt 0:00:30]} Nge7 {[%emt 0:00:30][%cal Bg8e7,Be7c6,Bc6a5,Ba5c4][%mdl 32]} 11. O-O {[%emt 0:00:30]} Qc7 {[%emt 0:00:30]} 12. h3 {[%emt 0:00:30]} a6 {[%emt 0:00:30]} 13. Bxc6+ {[%emt 0:00:30]} Nxc6 {[%emt 0:00:30]} 14. Ne2 {[%emt 0:00:30][%cal Bc3e2,Be2f4,Bf4h5][%mdl 32]} O-O {[%emt 0:00:30]} 15. c3 {[%emt 0:00:30]} Na5 {[%emt 0:00:30]} 16. Nf4 {[%emt 0:00:30]} Nc4 {[%emt 0:00:30]} 17. Nh5 {[%emt 0:00:30] [#] Strongly threatening b3.} f6 {[%emt 0:00:30]} 18. Re1 {[%emt 0:00:30]} Qf7 {[%emt 0:00:30]} 19. b3 {[%emt 0:00:30]} Nb6 {[%emt 0:00:30]} 20. a4 {[%emt 0:00:30]} Rac8 {[%emt 0:00:30]} 21. Ba3 {[%emt 0:00:30]} Bxa3 {[%emt 0:00:30]} 22. Rxa3 {[%emt 0:00:30]} Rc6 {[%emt 0:00:30]} 23. Raa1 {[%emt 0:00:30]} Rfc8 {[%emt 0:00:30][%cal Bf8c8,Bc8c3,Bc3b3,Bb3b4][%mdl 32]} 24. Re3 {[%emt 0:00:30]} Nd7 {[%emt 0:00:30]} 25. Rae1 {[%emt 0:00:30]} e5 {[%emt 0:00:30] Against Nf4} 26. dxe5 {[%emt 0:00:30]} Nxe5 {[%emt 0:00:30]} 27. Qd1 {[%emt 0:00:30]} (27. Qf5 {is interesting.} Rxc3 28. Rd1 R8c7 29. Rxc3 Rxc3 30. f4) 27... Rxc3 {[%emt 0:00:30]} 28. Rxc3 {[%emt 0:00:30]} Rxc3 {[%emt 0:00:30]} 29. Nf4 {[%emt 0:00:30] Against Rd3} Qd7 {[%emt 0:00:30]} 30. Qd4 {[%emt 0:00:30]} (30. Qd2 $11 Rxb3 31. Qa2) 30... Rxb3 $15 {[%emt 0:00:30] Black is more active.} 31. Rd1 $1 {[%emt 0:00:30]} Nc6 {[%emt 0:00:30]} 32. Qxd5+ {[%emt 0:00:30]} (32. Qc5 $15) 32... Qxd5 $17 {[%emt 0:00:30]} 33. Rxd5 $15 {[%emt 0:00:30][%mdl 4096] Endgame KRN-KRN} ({White should try} 33. Nxd5 Kf7 34. Kf1) 33... Rb4 $17 {[%emt 0:00:30] Black is clearly better.} 34. Ne6 {[%emt 0:00:30]} Rxa4 {[%emt 0:00:30] And now ...Kf7 would win.} 35. Rd7 {[%emt 0:00:30]} (35. Nd8 $17) 35... Re4 $19 {[%emt 0:00:30]} ({And not} 35... Ra1+ 36. Kh2 Re1 37. Nc5 $17) 36. Nc5 {[%emt 0:00:30]} Re1+ {[%emt 0:00:30]} 37. Kh2 {[%emt 0:00:30] [#]} Re7 $1 {[%emt 0:00:30]} 38. Rxe7 {[%emt 0:00:30]} Nxe7 {[%emt 0:00:30]} 39. Nxb7 {[%emt 0:00:30]} Nf5 {[%emt 0:00:30]} 40. Kg1 {[%emt 0:00:30]} Nd4 {[%emt 0:00:30] Weighted Error Value: White=0.09 (flawless) /Black=0.04 (flawless)} 0-1

[Event "13th Chennai Open 2022"]
[Site "Chennai"]
[Date "2022.06.20"]
[Round "3.9"]
[White "Priyankara, Chamil"]
[Black "Srijit Paul"]
[Result "0-1"]
[ECO "A80"]
[WhiteElo "1938"]
[BlackElo "2399"]
[Annotator "TA"]
[PlyCount "50"]
[EventDate "2022.06.19"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 9,50,-34,-24,-42,-34,-76,-44,-65,-66,-130,-152,-141,-156,-154,-160,-211,-204,-196,-133,-131,-139,-142,-129,-190,-156,-162,-162,-277,-292,-285,-236,-284,-281,-280,-236,-370,-355,-744,-344,-718,-710,-29985,-5404]} 1. d4 {[%emt 0:12:14]} f5 {[%emt 0:00:06]} 2. g4 {[%emt 1:19:16]} d5 {[%emt 0:00:07]} 3. gxf5 {[%emt 0:00:00]} Bxf5 {[%emt 0:00:07]} 4. c4 {[%emt 0:00:00] [#]} e6 $146 {[%emt 0:01:31]} ({Predecessor:} 4... Nc6 5. Nf3 Nf6 6. Nc3 Qd7 7. Ne5 Nxe5 8. dxe5 d4 9. Nb5 Ne4 10. f3 a6 11. fxe4 Bxe4 {0-1 (45) Teske,H (2518)-Kadziolka,B (2295) Bad Wiessee 2007}) 5. Nc3 {[%emt 0:00:00]} Nc6 {[%emt 0:01:06][%cal Bb8c6,Bc6d4,Bd4e2][%mdl 32]} 6. a3 {[%emt 0:00:00] Inhibits Nb4. A80: Dutch Defence: Unusual White second moves.} Nf6 {[%emt 0:10:16]} 7. Bg5 {[%emt 0:00:00]} h6 {[%emt 0:02:48]} 8. Bxf6 {[%emt 0:00:00] Black is slightly better.} Qxf6 {[%emt 0:00:07]} (8... gxf6 9. cxd5 exd5 10. e3 $14) 9. cxd5 {[%emt 0:00:00]} (9. e3 $15) 9... Nxd4 $17 {[%emt 0:00:25] Strongly threatening ...Nc2+.} 10. e4 {[%emt 0:00:00] Qa4+ is the strong threat.} Bg6 {[%emt 0:05:24] Threatens to win with ...Bc5. Active counter play!} 11. Qa4+ {[%emt 0:00:00]} c6 {[%emt 0:00:06]} 12. O-O-O {[%emt 0:00:00] [#]} (12. dxc6 $17 {is a better defense.} Nxc6 13. Bb5) 12... Bc5 $1 $19 {[%emt 0:00:15][%cal Bf8c5,Bc5e3,Be3d4][%mdl 32]} 13. dxc6 {[%emt 0:00:00]} bxc6 {[%emt 0:07:40]} ({And not} 13... Nxc6 14. Qc4 Bxf2 15. Bh3 $17) ({Black should try} 13... O-O $19 {[%cal Og6e4] Hoping for ...Bxe4!} 14. Kb1 (14. cxb7 $2 Rab8 $17) 14... Nxc6) 14. Nge2 $17 {[%emt 0:00:00]} Nxe2+ {[%emt 0:00:06]} 15. Bxe2 {[%emt 0:00:00]} O-O {[%emt 0:00:11]} 16. f3 {[%emt 0:00:00]} (16. Qc4 $17 Bxf2 17. Kb1) 16... Kh8 {[%emt 0:09:57]} 17. Qc4 {[%emt 0:00:00]} Be3+ {[%emt 0:00:22]} 18. Kc2 {[%emt 0:00:00] [#]} (18. Kb1 $142) 18... e5 $1 $19 {[%emt 0:00:23]} 19. Rd7 {[%emt 0:00:00]} Bf7 {[%emt 0:01:04]} 20. Qa6 {[%emt 0:00:00]} Rab8 {[%emt 0:04:18]} 21. Rb7 {[%emt 0:00:00]} Bd4 {[%emt 0:00:34] A strong pair of Bishops.} 22. Rf1 {[%emt 0:00:00]} (22. Rd1 {was necessary.}) 22... Qf4 {[%emt 0:02:56]} 23. Qxc6 {[%emt 0:02:58]} (23. h3) 23... Qe3 {[%emt 0:15:19]} (23... Bxc3 $142 24. bxc3 Qxh2) 24. Re1 $2 {[%emt 0:01:53]} (24. Bb5 Qg5 25. Re1 (25. Kb1 $2 Bxc3 26. Rxb8 Rxb8 $19)) 24... Bxc3 {[%emt 0:00:21]} 25. bxc3 {[%emt 0:00:18] [#]} Rfd8 $1 {[%emt 0:00:08] Weighted Error Value: White=0.85/Black=0.25 (precise)} 0-1

[Event "13th Chennai Open 2022"]
[Site "Chennai"]
[Date "2022.06.20"]
[Round "3.10"]
[White "Nguyen, Duc Hoa"]
[Black "Daksh Goyal"]
[Result "0-1"]
[ECO "B90"]
[WhiteElo "2398"]
[BlackElo "1795"]
[Annotator "TA"]
[PlyCount "72"]
[EventDate "2022.06.19"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 9,72,12,19,6,0,-2,7,-10,0,-3,41,24,39,33,36,0,0,-43,-43,-39,-41,-47,-40,-37,-47,-32,-43,-239,-247,-237,-230,-288,-270,-248,-227,-363,-377,-323,-296,-277,-266,-617,-549,-1247,-1223,-1096,-1222,-1957,-1856,-1527,-716,-699,-650,-731,-718,-692,-618,-29977,-29978,-29975,-1568,-29978,-29978,-29992,-29993]} 1. e4 {[%emt 0:00:06]} c5 {[%emt 0:00:06]} 2. Nf3 {[%emt 0:00:37]} d6 {[%emt 0:00:40]} 3. d4 {[%emt 0:00:09]} cxd4 {[%emt 0:00:06]} 4. Nxd4 {[%emt 0:00:05]} Nf6 {[%emt 0:00:09]} 5. Nc3 {[%emt 0:00:07]} a6 {[%emt 0:00:04]} 6. h4 {[%emt 0:02:19] B90: Sicilian Najdorf: Unusual White 6th moves, 6 Be3 Ng4 and 6 Be3 e5.} e5 {[%emt 0:06:48]} 7. Nb3 {[%emt 0:00:21]} Be7 {[%emt 0:03:59]} 8. Be2 {[%emt 0:01:26] The position is equal.} Be6 {[%emt 0:04:50]} 9. f4 {[%emt 0:04:57] [#]} h5 $146 {[%emt 0:14:55]} ({Predecessor:} 9... b5 10. fxe5 dxe5 11. Qxd8+ Bxd8 12. Bf3 Nbd7 13. Bd2 Rc8 14. O-O-O Nb6 15. Bg5 b4 {½-½ (73) Martinez Alcantara,J (2598)-So,W (2772) Chess.com INT 2022}) 10. f5 {[%emt 0:00:44]} Bc8 {[%emt 0:02:14][%cal Od6d5]} 11. Bg5 {[%emt 0:10:00]} Nbd7 {[%emt 0:01:56][%cal Bb8d7,Bd7f6,Bf6e4][%mdl 32]} 12. g3 {[%emt 0:11:05]} b5 {[%emt 0:20:04]} 13. a4 {[%emt 0:10:11]} Bb7 {[%emt 0:06:54] And now ...b4 would win.} 14. axb5 {[%emt 0:02:46]} axb5 {[%emt 0:00:52] aiming for ...b4.} 15. Bxf6 {[%emt 0:00:35]} Nxf6 {[%emt 0:02:28]} 16. Bxb5+ {[%emt 0:00:04]} Kf8 {[%emt 0:00:09]} 17. Rxa8 {[%emt 0:03:14]} Qxa8 {[%emt 0:04:34]} 18. Kd2 $2 {[%emt 0:14:45] Now White is beyond hope.} (18. O-O $15) 18... Nxe4+ $19 {[%emt 0:07:36]} 19. Nxe4 {[%emt 0:00:06]} Bxe4 {[%emt 0:00:03]} 20. Rh2 {[%emt 0:07:58]} Qd5+ {[%emt 0:04:19]} 21. Bd3 {[%emt 0:00:04]} Bf3 {[%emt 0:01:28]} 22. Qg1 {[%emt 0:06:31]} (22. Qf1 {is the only way for White.}) 22... e4 {[%emt 0:03:35]} 23. Qa7 {[%emt 0:00:06] Threatening mate with Qb8+.} Bd8 {[%emt 0:01:08]} 24. Qd7 {[%emt 0:01:36][%cal Rd7d8]} Bb6 {[%emt 0:07:36] Chess con chili.} 25. Qc8+ $2 {[%emt 0:17:23]} (25. Qb5 Qxb5 26. Bxb5) 25... Ke7 {[%emt 0:06:27]} 26. Qxh8 {[%emt 0:00:33]} exd3 {[%emt 0:00:00]} 27. f6+ {[%emt 0:03:06]} gxf6 {[%emt 0:00:00]} 28. Qc8 {[%emt 0:01:59]} dxc2+ {[%emt 0:00:00]} 29. Kxc2 {[%emt 0:00:04]} Bd1+ {[%emt 0:00:51] This bishop pair is nice.} (29... Qd1+ $142 30. Kc3 Bd5) 30. Kb1 {[%emt 0:01:58]} Qxb3 {[%emt 0:00:53]} 31. Rd2 {[%emt 0:00:31]} Bg4 {[%emt 0:00:38]} 32. Qb7+ {[%emt 0:00:25]} Kf8 {[%emt 0:00:32] ( -> ...Bf5+)} 33. Qb8+ {[%emt 0:00:06]} Kg7 {[%emt 0:00:12]} 34. Qxd6 {[%emt 0:00:06]} Be3 {[%emt 0:00:47]} (34... Bf5+ $142 35. Ka1 {[#]} Qc4 $1 36. g4 hxg4 $1 37. Qe7 Bc5 38. Qxc5 Qxc5 39. Ka2 Qa5+ 40. Kb3 Qxd2 41. Kc4 g3 42. h5 g2 43. b3 g1=Q 44. h6+ Kxh6 45. Kb5 Qdd4 46. Ka5 Qc5+ 47. Ka6 Bc8#) 35. Rd5 {[%emt 0:00:25]} Qc4 {[%emt 0:00:31]} 36. Rd1 {[%emt 0:01:30]} Bf5+ {[%emt 0:00:23] Weighted Error Value: White=1.10/Black=0.49} 0-1

[Event "13th Chennai Open 2022"]
[Site "Chennai"]
[Date "2022.06.20"]
[Round "3.11"]
[White "Pawar, Harshit"]
[Black "Hari Madhavan N B"]
[Result "1-0"]
[ECO "D23"]
[WhiteElo "1961"]
[BlackElo "2374"]
[Annotator "TA"]
[PlyCount "75"]
[EventDate "2022.06.19"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 18,75,0,12,27,8,34,26,31,30,28,22,22,-2,0,-1,13,17,35,27,103,122,141,115,107,137,173,170,166,156,193,170,168,164,147,42,42,41,32,42,36,22,265,260,256,229,262,275,269,131,264,234,241,170,365,279,444,411,453,364]} 1. d4 {[%emt 0:03:04]} d5 {[%emt 0:00:07]} 2. c4 {[%emt 0:00:11]} c6 {[%emt 0:00:18]} 3. Nf3 {[%emt 0:00:21]} Nf6 {[%emt 0:00:06]} 4. Qc2 {[%emt 0:00:04]} dxc4 {[%emt 0:00:16]} 5. Qxc4 {[%emt 0:00:33]} Bf5 {[%emt 0:00:07]} 6. g3 {[%emt 0:00:24]} e6 {[%emt 0:00:07]} 7. Bg2 {[%emt 0:00:07]} Nbd7 {[%emt 0:00:08]} 8. O-O {[%emt 0:02:08]} Be7 {[%emt 0:00:09]} 9. Nc3 {[%emt 0:00:06]} O-O {[%emt 0:00:09]} 10. e3 {[%emt 0:06:17]} Qc7 {[%emt 0:11:25] D23: Queen's Gambit Accepted: 3 Nf3 Nf6 sidelines.} 11. Qe2 {[%emt 0:02:35]} Bg4 {[%emt 0:02:32]} 12. h3 {[%emt 0:00:12] [#]} Bxf3 $146 {[%emt 0:00:09] White has an edge.} ({Predecessor:} 12... Bh5 13. g4 Bg6 14. e4 c5 15. d5 exd5 16. e5 Ne4 17. Nxd5 Qd8 18. Nh2 f5 19. gxf5 Rxf5 20. Qxe4 {1-0 (26) Tebelmann,L (2069)-Demir,B (2047) Bayern 2019}) 13. Qxf3 {[%emt 0:00:05]} e5 {[%emt 0:00:09]} 14. dxe5 {[%emt 0:00:41]} Nxe5 {[%emt 0:00:10]} 15. Qf5 {[%emt 0:00:01]} Rad8 {[%emt 0:01:29]} 16. Qc2 {[%emt 0:00:28]} h5 {[%emt 0:07:03]} 17. Bd2 {[%emt 0:02:19]} h4 {[%emt 0:01:27]} 18. g4 {[%emt 0:00:17]} Nfxg4 {[%emt 0:22:26]} 19. hxg4 $16 {[%emt 0:00:14]} h3 {[%emt 0:00:16]} 20. Be4 {[%emt 0:00:48]} Nxg4 {[%emt 0:00:09][%csl Gg4][%cal Rc7h2]} 21. f4 {[%emt 0:00:20]} Bc5 {[%emt 0:02:18][%cal Od8d2] White must now prevent ...Rxd2!} 22. Rae1 {[%emt 0:07:18]} Qe7 {[%emt 0:05:21]} 23. Kh1 {[%emt 0:02:34]} Qh4 {[%emt 0:07:08]} 24. Bc1 {[%emt 0:04:22]} Rfe8 {[%emt 0:01:02]} 25. Qe2 {[%emt 0:06:15]} Re7 {[%emt 0:00:53]} 26. Qf3 {[%emt 0:07:25]} (26. f5 $1 $16 {Threatens to win with Rf4.} Nf6 27. Rf4) 26... Rde8 $1 $14 {[%emt 0:01:11]} 27. Re2 {[%emt 0:00:57] And now Rg1 would win.} g6 {[%emt 0:01:08]} 28. f5 {[%emt 0:11:39]} g5 {[%emt 0:04:42] aiming for ...Nf6.} 29. Bd2 {[%emt 0:14:13][%cal Bc1d2,Bd2e1,Be1f2][%mdl 32] Hoping for Be1.} Rxe4 $2 {[%emt 0:00:38] [#]} 30. Be1 $1 $18 {[%emt 0:00:06]} (30. Nxe4 {[#]} Rxe4 $1 31. Be1 (31. Qxe4 $2 Nf2+ 32. Rexf2 Qxe4+ 33. Kg1 g4 $19) 31... Ne5 32. Bxh4 Nxf3 33. Rxf3 Rxh4 $11) 30... Nf2+ {[%emt 0:02:43]} 31. Bxf2 {[%emt 0:00:27]} Qg4 {[%emt 0:00:06]} 32. Qxg4 {[%emt 0:00:12]} Rxg4 {[%emt 0:00:05]} 33. e4 {[%emt 0:00:08]} (33. Kh2 $18 {and the rest is easy.}) 33... Bb4 {[%emt 0:00:11] This move loses the game for Black.} (33... Rf4 $16 {is a better defense.}) 34. Rg1 {[%emt 0:01:50]} (34. Bxa7 $6 Bxc3 35. bxc3 Rgxe4 36. Rxe4 Rxe4 $18) 34... Rxg1+ {[%emt 0:00:12]} 35. Kxg1 {[%emt 0:00:10] e5 is the strong threat.} g4 $2 {[%emt 0:00:35]} (35... Bd6 {was worth a try.} 36. Bd4 (36. Bxa7 Be5 $18) 36... Bc7) 36. Kh2 {[%emt 0:00:35]} ({Weaker is} 36. Bxa7 f6 37. Bd4 Kf7 $18) 36... Bd6+ {[%emt 0:00:09]} (36... f6 $142 37. Bg3 (37. Bxa7 Bd6+ 38. Kg1 Bf4 $16) 37... Rd8) 37. Bg3 {[%emt 0:00:01]} Bb4 {[%emt 0:00:21]} 38. Bf4 {[%emt 0:00:31] Weighted Error Value: White=0.18 (very precise) /Black=0.45} 1-0

[Event "13th Chennai Open 2022"]
[Site "Chennai"]
[Date "2022.06.20"]
[Round "3.12"]
[White "Gusain, Himal"]
[Black "Apoorv Kamble"]
[Result "1/2-1/2"]
[ECO "D00"]
[WhiteElo "2396"]
[BlackElo "1846"]
[Annotator "TA"]
[PlyCount "100"]
[EventDate "2022.06.19"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 9,100,4,9,-3,9,8,11,22,23,13,7,0,0,-16,-13,-21,-11,-22,-10,-33,-16,-29,-1,0,-6,-15,0,0,7,0,0,0,0,0,0,0,0,-2,0,0,0,0,0,0,0,0,0,0,0,0,0,-7,0,0,0,-20,0,0,0,0,0,0,0,-91,-103,-81,-68,-92,-90,-146,-43,-167,-139,-146,-13,-26,0,-272,-272,-273,-268,-418,-411,-401,-397,-383,-230,-182,-17,-17,-17,-18,-18]} 1. d4 {[%emt 0:00:05]} Nf6 {[%emt 0:00:09]} 2. Nc3 {[%emt 0:00:39]} d5 {[%emt 0:00:11]} 3. Bf4 {[%emt 0:00:10]} Bf5 {[%emt 0:00:11]} 4. e3 {[%emt 0:00:44]} e6 {[%emt 0:00:22]} 5. Bd3 {[%emt 0:00:19]} Bg6 {[%emt 0:00:20]} 6. h4 {[%emt 0:00:45][%cal Bh2h4,Bh4h5,Bh5h6][%mdl 32] D00: 1 d4 d5: Unusual lines.} Bd6 {[%emt 0:04:20]} 7. h5 {[%emt 0:02:51]} Bxd3 {[%emt 0:02:00]} 8. Qxd3 {[%emt 0:00:04]} Bxf4 {[%emt 0:00:20]} 9. exf4 {[%emt 0:00:06] [#]} Qd6 $146 {[%emt 0:00:11]} ({Predecessor:} 9... O-O 10. Nf3 c5 11. dxc5 Na6 12. O-O-O Rc8 13. h6 g6 14. Ne5 Qe7 15. a3 Qxc5 {1-0 (30) Erigaisi,A (2681)-Sjugirov,S (2696) Chess.com INT 2022}) 10. Nb5 {[%emt 0:04:13]} Qb6 {[%emt 0:01:17]} (10... Qxf4 $2 11. Ne2 (11. g3 Qe4+ 12. Qxe4 Nxe4 $18) 11... Qe4 12. Qxe4 (12. Nxc7+ Kd7 $18) 12... Nxe4 13. Nxc7+ Ke7 14. Nxa8 $18) 11. h6 {[%emt 1:26:04]} g6 {[%emt 1:26:39]} 12. Nf3 {[%emt 0:00:30]} Nbd7 {[%emt 0:00:30]} 13. Ne5 {[%emt 0:00:30]} c5 {[%emt 0:00:30]} 14. a4 {[%emt 0:00:30] [#] Threatens to win with a5.} a6 {[%emt 0:00:30]} 15. Nxd7 $1 {[%emt 0:00:30]} Nxd7 {[%emt 0:00:30]} (15... Kxd7 {keeps more tension.} 16. dxc5 Qa5+ 17. Nc3 Qxc5 18. O-O-O Rac8) 16. dxc5 {[%emt 0:00:30]} Qxc5 {[%emt 0:00:30]} 17. Nd4 {[%emt 0:00:30]} Qc4 {[%emt 0:00:30]} 18. Qd2 {[%emt 0:00:30]} Rc8 19. Rh3 {[%emt 0:00:30]} O-O {[%emt 0:01:00]} 20. Rc3 {[%emt 0:00:30]} Qb4 {[%emt 0:00:30]} 21. Rxc8 {[%emt 0:00:30]} Qxd2+ {[%emt 0:00:30]} 22. Kxd2 {[%emt 0:00:30]} Rxc8 $11 {[%emt 0:00:30][%mdl 4096] Endgame KRN-KRN} 23. b3 {[%emt 0:00:30]} b6 {[%emt 0:00:30]} 24. g4 {[%emt 0:00:30]} Kf8 {[%emt 0:00:30]} 25. Re1 $1 {[%emt 0:00:30]} Ke7 {[%emt 0:00:30]} 26. f5 {[%emt 0:00:30]} gxf5 {[%emt 0:00:30]} 27. gxf5 {[%emt 0:00:30]} e5 {[%emt 0:00:30]} 28. f4 $1 {[%emt 0:00:30]} e4 {[%emt 0:00:30]} 29. Rg1 {[%emt 0:00:30] Prevents Rg8.} Nf6 {[%emt 0:00:30]} 30. Rg7 {[%emt 0:00:30]} Nh5 {[%emt 0:00:30][%csl LRf4,LRg7]} 31. Rg5 {[%emt 0:00:30]} Nf6 {[%emt 0:00:30]} 32. Ne2 {[%emt 0:00:30]} Rb8 {[%emt 0:00:30]} 33. Ke3 {[%emt 0:00:30]} b5 {[%emt 0:00:30]} 34. axb5 {[%emt 0:00:30]} axb5 {[%emt 0:00:30]} 35. b4 {[%emt 0:00:30]} Ra8 {[%emt 0:00:30]} 36. c3 {[%emt 0:00:30]} (36. Nd4 $11 {keeps the balance.}) 36... Ra1 $17 {[%emt 0:00:30]} 37. Nd4 {[%emt 0:00:30]} Rh1 {[%emt 0:00:30]} 38. Nxb5 {[%emt 0:00:30]} Rxh6 {[%emt 0:00:30] And now ...Rh3+ would win.} 39. Rg3 {[%emt 0:00:30] Against Rh3} (39. Nd4 $142) 39... Rh4 {[%emt 0:00:30]} (39... Rh1 $17 {...h5 is the strong threat.} 40. Nd4 h5 41. Nc6+ Kf8) 40. Rg1 {[%emt 0:00:30]} (40. Kd4 $1 $15) 40... Rh3+ $19 {[%emt 0:00:30]} 41. Kd2 {[%emt 0:00:30] [#]} Rh2+ {[%emt 0:00:30]} (41... Nh5 $1 $17 42. Rg4 Rd3+ 43. Kc2 Rf3 44. f6+ Kxf6) 42. Ke3 $11 {[%emt 0:00:30]} Rh3+ {[%emt 0:00:30]} 43. Kd4 $2 {[%emt 0:00:30][%mdl 8192]} (43. Kd2 $1 $11 {and White has nothing to worry.}) 43... Rd3+ $19 {[%emt 0:00:30]} 44. Kc5 {[%emt 0:00:30]} e3 {[%emt 0:00:30]} 45. Re1 {[%emt 0:00:30]} (45. Kc6 {was forced.}) 45... Ne4+ {[%emt 0:00:30]} 46. Kc6 {[%emt 0:00:30]} Kf6 {[%emt 0:00:30]} 47. Nc7 {[%emt 0:00:30]} Rxc3+ {[%emt 0:00:30]} 48. Kxd5 {[%emt 0:00:30] Black must now prevent Nb5.} Rxc7 {[%emt 0:00:30]} (48... Nd2 $19 49. b5 Rxc7 50. Rxe3 Kxf5) 49. Kxe4 $11 {[%emt 0:00:30]} Rc4+ {[%emt 0:00:30]} 50. Kxe3 {[%emt 0:00:30]} Rxb4 {[%emt 0:00:30] Weighted Error Value: White=0.28 (precise) /Black=0.24 (precise)} 1/2-1/2

[Event "13th Chennai Open 2022"]
[Site "Chennai"]
[Date "2022.06.20"]
[Round "3.13"]
[White "Majumder Shrayan"]
[Black "Girinath, P.D.S."]
[Result "1-0"]
[ECO "A85"]
[WhiteElo "1741"]
[BlackElo "2361"]
[Annotator "TA"]
[PlyCount "63"]
[EventDate "2022.06.19"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 10,63,18,1,34,31,57,41,59,41,55,49,72,17,57,65,135,44,36,0,0,0,0,0,0,0,0,0,0,0,118,43,235,230,211,215,307,289,387,393,364,169,609,616,670,643,627,615,1028,1007,872,786,785,718,698,679]} 1. d4 {[%emt 0:00:10]} e6 {[%emt 0:02:41]} 2. c4 {[%emt 0:00:09]} f5 {[%emt 0:00:42]} 3. Nc3 {[%emt 0:00:31]} Nf6 {[%emt 0:00:09]} 4. e3 {[%emt 0:00:58]} b6 {[%emt 0:03:43]} 5. Bd3 {[%emt 0:00:09]} Bb7 {[%emt 0:00:07]} 6. f3 {[%emt 0:00:06]} Nh5 {[%emt 0:10:28] A85: Dutch Defence: 2 c4 Nf6 3 Nc3.} 7. Nge2 {[%emt 0:17:56]} Qh4+ {[%emt 0:16:10]} 8. g3 {[%emt 0:01:37] [#]} Qe7 $146 {[%emt 0:00:10] White is slightly better.} ({Predecessor:} 8... Qh3 9. Kf2 Nf6 10. e4 fxe4 11. Nf4 Qf5 12. g4 Qa5 13. Nxe4 Nxe4+ 14. Bxe4 Bxe4 15. fxe4 {0-1 (56) Suleymanli,A (2091)-Balajayeva,K (2180) Nakhchivan 2016}) 9. O-O {[%emt 0:04:29]} g6 {[%emt 0:00:49]} 10. e4 {[%emt 0:01:44]} Nc6 {[%emt 0:12:53]} 11. g4 {[%emt 0:08:09]} (11. Be3 $16) 11... fxg4 {[%emt 0:05:27]} 12. fxg4 {[%emt 0:00:15]} Nf6 {[%emt 0:00:01]} ({Black should try} 12... Ng7 $1 $14) 13. Bg5 {[%emt 0:04:03]} (13. Nb5 $16 Nxg4 14. Nxc7+ Kd8 15. Nxa8) 13... Bg7 $14 {[%emt 0:00:10]} 14. Nb5 {[%emt 0:14:34]} O-O {[%emt 0:18:36] ...a6 is the strong threat.} 15. e5 $36 {[%emt 0:12:36][%mdl 2048] White has good play.} Nxe5 {[%emt 0:15:30]} 16. dxe5 {[%emt 0:00:07]} Qc5+ {[%emt 0:01:37]} 17. Ned4 {[%emt 0:00:51]} Qxe5 {[%emt 0:02:27]} 18. Bf4 {[%emt 0:01:24]} Qc5 {[%emt 0:00:17][%cal Of6g4] And now ...Nxg4! would win.} 19. Be3 $1 {[%emt 0:13:27][%cal Od4f5] Black must now prevent Nf5!} ({Avoid the trap} 19. Bxc7 $2 Nd5 $1 20. Rxf8+ Rxf8 $19) 19... Kh8 {[%emt 0:02:49]} (19... Qe5 $11 {remains equal.} 20. Bf4 Qc5) 20. Be2 {[%emt 0:02:59]} ({White should play} 20. Qe2 $16) 20... e5 $2 {[%emt 0:05:00] [#] Loses the game.} ({Better is} 20... Rad8 $14) 21. Nc2 $1 $18 {[%emt 0:08:54]} Qc6 {[%emt 0:00:32][%csl Gb7][%cal Rc6g2]} 22. Bf3 {[%emt 0:00:06] Against Qg2+} e4 {[%emt 0:00:21]} (22... Ne4 $142 23. Qd5 Qxd5 24. cxd5 Nf6) 23. Be2 {[%emt 0:00:27]} d5 {[%emt 0:00:09]} 24. g5 {[%emt 0:02:52]} Nh5 {[%emt 0:00:49]} 25. Ncd4 {[%emt 0:01:46]} (25. Qxd5 $142 Bxb2 26. Rad1) 25... Qd7 $2 {[%emt 0:00:25]} (25... Rxf1+ 26. Bxf1 (26. Qxf1 Qd7 $16) 26... Qd7) 26. Rxf8+ {[%emt 0:00:16] White is clearly winning.} Rxf8 {[%emt 0:00:11]} 27. Bg4 {[%emt 0:00:15] Prevents Qh3.} Qe7 {[%emt 0:00:46]} 28. Ne6 {[%emt 0:00:29] Against Nf4} dxc4 {[%emt 0:00:34]} 29. Nxf8 {[%emt 0:00:25]} Qxf8 {[%emt 0:00:36]} 30. Bxh5 {[%emt 0:00:22]} gxh5 {[%emt 0:00:11]} 31. Qxh5 {[%emt 0:00:22] g6 would kill now.} Qf3 {[%emt 0:01:01]} 32. Qe8+ {[%emt 0:00:53] Weighted Error Value: White=0.24 (precise) /Black=0.79} 1-0

[Event "13th Chennai Open 2022"]
[Site "Chennai"]
[Date "2022.06.20"]
[Round "3.14"]
[White "Swayham P Das"]
[Black "Ravichandran, Siddharth"]
[Result "0-1"]
[ECO "B28"]
[WhiteElo "1825"]
[BlackElo "2352"]
[Annotator "TA"]
[PlyCount "58"]
[EventDate "2022.06.19"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 12,58,-6,-14,6,19,37,29,30,0,49,-15,0,0,32,-46,-44,-39,-36,-28,-32,-112,-100,-147,-162,-235,-242,-387,-390,-694,-675,-1239,-1220,-1806,-1812,-1789,-1791,-1733,-1728,-1696,-1640,-2647,-2608,-2127,-1954,-2385,-2314,-1747,-1060]} 1. e4 {[%emt 0:00:06]} c5 {[%emt 0:01:00]} 2. Nf3 {[%emt 0:00:09]} a6 {[%emt 0:00:11]} 3. d4 {[%emt 0:00:08]} cxd4 {[%emt 0:00:10]} 4. Nxd4 {[%emt 0:00:06]} Nf6 {[%emt 0:00:08]} 5. Nc3 {[%emt 0:00:11]} e5 {[%emt 0:00:42]} 6. Nb3 {[%emt 0:00:10]} Bb4 {[%emt 0:00:28]} 7. Qf3 {[%emt 0:14:43]} d5 {[%emt 0:07:12] B28: Sicilian: 2 Nf3 a6 (O'Kelly Variation).} 8. exd5 {[%emt 0:00:45]} Bg4 {[%emt 0:06:47]} 9. Qg3 {[%emt 0:01:14]} O-O {[%emt 0:15:43] White has an edge.} (9... Qxd5 $2 10. f3 $18) ({Don't play} 9... Bxc3+ 10. bxc3 O-O 11. c4 $16 (11. Qxe5 $2 Re8 $19)) 10. Bd2 {[%emt 0:04:00]} Bxc3 {[%emt 0:01:43] [#]} (10... Re8 $11) 11. Qxc3 $146 {[%emt 0:00:11]} (11. Bxc3 $14 Qxd5 12. Bd3 (12. f3 Bh5 $11)) ({Predecessor:} 11. Bxc3 Qxd5 12. Bd3 Nc6 13. O-O Nd4 14. h3 Bh5 15. f4 Be2 16. Rf2 exf4 17. Qxf4 Nxb3 18. axb3 Bxd3 {1-0 (49) Moll Pons,J (1768)-Carrasco Gomez,A (1544) Salobrena 2021}) 11... Qxd5 {[%emt 0:04:27]} 12. f3 {[%emt 0:00:48]} Bf5 {[%emt 0:01:56]} (12... Rc8 $5 {[%cal Rc8c3]} 13. Qd3 Be6 $11) 13. Qc5 {[%emt 0:03:59]} (13. O-O-O $1 $14) 13... Qd7 {[%emt 0:02:17] Strongly threatening ...Rc8.} 14. c3 {[%emt 0:02:26]} ({Reject} 14. Bb4 Rc8 15. Rd1 Qe8 $17) 14... Rc8 {[%emt 0:04:38]} 15. Qf2 {[%emt 0:00:34]} e4 {[%emt 0:06:35]} 16. Qd4 {[%emt 0:05:27]} ({White should try} 16. Be2 $15) 16... Qe6 $36 {[%emt 0:07:31][%mdl 2048] Black is on the roll.} 17. Kf2 {[%emt 0:10:36]} ({White should play} 17. fxe4 Bxe4 18. Be2) 17... Nc6 {[%emt 0:03:16][%cal Bb8c6,Bc6e5,Be5g4][%mdl 32]} 18. Qe3 {[%emt 0:00:10]} (18. Qc4 $142) 18... Re8 $19 {[%emt 0:04:49]} 19. c4 {[%emt 0:04:00]} (19. Re1 {might work better.}) 19... Ne5 {[%emt 0:03:11] [#] ...exf3 is the strong threat.} 20. Nd4 {[%emt 0:00:57]} (20. h3 exf3 21. gxf3) 20... Qd7 {[%emt 0:00:35] Hoping for ...exf3. Black is clearly winning.} 21. Nxf5 {[%emt 0:01:54] Black must now prevent Qg5.} exf3 {[%emt 0:05:23]} 22. Qf4 {[%emt 0:06:54]} Neg4+ {[%emt 0:01:19] Pair of Knights!} 23. Kxf3 {[%emt 0:00:08]} Qc6+ {[%emt 0:00:10]} 24. Kg3 {[%emt 0:00:07]} Nh5+ {[%emt 0:00:12]} 25. Kxg4 {[%emt 0:00:06]} Nxf4 {[%emt 0:00:07]} 26. Bxf4 {[%emt 0:00:43]} Qg6+ {[%emt 0:00:14][%mdl 64] [#] Deflection} 27. Kf3 {[%emt 0:00:42]} Qxf5 {[%emt 0:00:09]} 28. h4 {[%emt 0:00:38] Prevents g5.} h5 {[%emt 0:00:42] ( -> ...Qg4+)} 29. g3 {[%emt 0:02:07]} Qe4+ {[%emt 0:00:08] Weighted Error Value: White=0.94/Black=0.07 (flawless)} 0-1

[Event "13th Chennai Open 2022"]
[Site "Chennai"]
[Date "2022.06.20"]
[Round "3.15"]
[White "Karthikeyan, P.."]
[Black "Patil Priyanshu"]
[Result "1/2-1/2"]
[ECO "A48"]
[WhiteElo "2361"]
[BlackElo "1796"]
[Annotator "TA"]
[PlyCount "63"]
[EventDate "2022.06.19"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 9,63,8,13,12,35,7,14,25,23,16,35,35,24,34,34,34,39,16,27,18,16,39,29,27,32,26,41,18,14,-14,-18,-18,-16,-36,0,0,0,-9,9,9,12,0,0,-10,-20,-104,-120,-114,-115,-120,-114,-116,0,0,0,-122]} 1. Nf3 {[%emt 0:00:12]} c5 {[%emt 0:00:18]} 2. e3 {[%emt 0:01:00]} g6 {[%emt 0:01:16]} 3. d4 {[%emt 0:00:02]} Bg7 {[%emt 0:00:40]} 4. Nbd2 {[%emt 0:02:47]} Nf6 {[%emt 0:06:01]} 5. dxc5 {[%emt 0:02:34]} Qa5 {[%emt 0:00:30]} 6. a3 {[%emt 0:00:40] A48: 1 d4 Nf6 2 Nf3 g6: Torre, London and Colle Systems.} Nc6 {[%emt 0:01:54]} 7. c4 {[%emt 0:01:47]} O-O {[%emt 0:05:52]} 8. Be2 {[%emt 0:07:09]} Qxc5 {[%emt 0:04:18]} 9. b4 {[%emt 0:00:17] [#]} Qb6 $146 {[%emt 0:00:35][%cal Of6e4]} ({Predecessor:} 9... Qf5 10. Bb2 d6 11. O-O a5 12. e4 Qd7 13. Qb3 Qc7 14. b5 Nd8 15. e5 Nd7 16. exd6 Qxd6 17. Bxg7 Kxg7 {1-0 (51) Palacios de la Prida,E-Bellon Lopez,J Malaga 1972}) 10. c5 {[%emt 0:05:23]} Qc7 {[%emt 0:00:35]} 11. Bb2 {[%emt 0:00:03]} d6 {[%emt 0:09:02]} 12. cxd6 {[%emt 0:08:00]} Qxd6 {[%emt 0:00:25]} 13. b5 {[%emt 0:02:45]} Na5 {[%emt 0:04:56]} 14. Be5 {[%emt 0:04:16]} Qe6 {[%emt 0:03:03]} 15. Bc3 {[%emt 0:01:24]} b6 {[%emt 0:00:30]} 16. Bxa5 {[%emt 0:04:22]} bxa5 {[%emt 0:00:02]} 17. Nd4 {[%emt 0:00:07]} Qd7 {[%emt 0:02:27]} 18. Bf3 {[%emt 0:01:05]} Bb7 {[%emt 0:05:50]} 19. Bc6 {[%emt 0:02:20]} Bxc6 {[%emt 0:11:45]} 20. bxc6 {[%emt 0:00:16]} Qd5 {[%emt 0:00:36]} 21. Qf3 {[%emt 0:05:06]} e5 {[%emt 0:01:48]} 22. Qxd5 {[%emt 0:01:40]} Nxd5 {[%emt 0:00:02][%cal Bf6d5,Bd5e7,Be7c6][%mdl 32]} 23. Nb5 {[%emt 0:02:11]} a6 {[%emt 0:02:02]} 24. Nd6 {[%emt 0:04:24]} Rad8 {[%emt 0:07:32][%cal Ba8d8,Bd8d7,Bd7c7][%mdl 32]} 25. N2c4 {[%emt 0:05:32] [#] And now 0-0 would win. Pair of Knights!} Ne7 $1 {[%emt 0:01:47]} 26. c7 {[%emt 0:12:35]} Rd7 {[%emt 0:00:20]} 27. e4 {[%emt 0:01:03]} (27. O-O $11 {remains equal.} Rxc7 28. Rfd1) 27... Rxc7 $17 {[%emt 0:00:56]} 28. Nxa5 {[%emt 0:00:13][%cal Bc4a5,Ba5b7,Bb7c5][%mdl 32]} Rd8 {[%emt 0:02:45]} 29. Rd1 {[%emt 0:02:22]} Nc6 {[%emt 0:27:13]} 30. Nab7 {[%emt 0:02:10] [#]} Rdd7 {[%emt 0:00:00]} (30... Rb8 $1 $17 {Hoping for ...Nd4.} 31. Nc5 Ra8) 31. Nc5 $11 {[%emt 0:01:38][%csl LRa6,LRd7]} Rd8 {[%emt 0:00:00]} ({Black should play} 31... Re7 $11 32. Nxa6 Ra7) 32. Ncb7 $1 {[%emt 0:00:25] Weighted Error Value: White=0.12 (very precise) /Black=0.07 (flawless)} 1/2-1/2

[Event "13th Chennai Open 2022"]
[Site "Chennai"]
[Date "2022.06.20"]
[Round "3.16"]
[White "Krishna Raaju J"]
[Black "Abdyjapar, Asyl"]
[Result "0-1"]
[ECO "E63"]
[WhiteElo "1777"]
[BlackElo "2346"]
[Annotator "TA"]
[PlyCount "84"]
[EventDate "2022.06.19"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 21,84,25,29,0,9,-25,-33,-16,-24,-31,-33,-129,-96,-93,-90,-99,-99,-85,-81,-120,-118,-124,-120,-150,-155,-153,-146,-200,-177,-185,-153,-139,-144,-170,-166,-212,-184,-600,-584,-756,-743,-740,-731,-713,-632,-627,-619,-683,-654,-646,-631,-737,-725,-29993,-815,-6287,-965,-2189,-2157,-1760,-1722,-29983,-471,-29984,-29984]} 1. d4 {[%emt 0:00:12]} Nf6 {[%emt 0:00:04]} 2. Nf3 {[%emt 0:00:06]} g6 {[%emt 0:00:45]} 3. g3 {[%emt 0:00:14]} Bg7 {[%emt 0:00:05]} 4. Bg2 {[%emt 0:00:03]} O-O {[%emt 0:00:07]} 5. O-O {[%emt 0:00:13]} d6 {[%emt 0:00:09]} 6. c4 {[%emt 0:04:59]} Nc6 {[%emt 0:00:34]} 7. Nc3 {[%emt 0:02:40]} a6 {[%emt 0:00:05]} 8. h3 {[%emt 0:08:17]} Bd7 {[%emt 0:03:04]} 9. e4 {[%emt 0:00:57]} e5 {[%emt 0:00:32]} 10. Be3 {[%emt 0:09:52]} exd4 {[%emt 0:01:56]} 11. Nxd4 {[%emt 0:00:24]} Re8 {[%emt 0:00:30][%cal Ob7b5]} 12. Qd2 {[%emt 0:03:25] E63: King's Indian: Fianchetto: Panno Variation with 7...a6.} Qc8 {[%emt 0:00:51]} 13. Kh2 {[%emt 0:00:39]} Ne5 {[%emt 0:03:20]} 14. Qe2 {[%emt 0:03:59] Black is slightly better.} c5 {[%emt 0:02:05] [#]} 15. Nc2 $146 {[%emt 0:04:45]} ({Predecessor:} 15. Nb3 Be6 16. Nd5 Bxd5 17. cxd5 b5 18. Nd2 Ned7 19. Rac1 Qb7 20. b3 Rac8 21. f4 {1-0 (46) Kaabi,M (2342)-El Jawich,A (2139) Doha 2011}) 15... b5 {[%emt 0:03:25]} 16. b3 {[%emt 0:07:33]} (16. cxb5 $15 axb5 17. Bg5) 16... bxc4 {[%emt 0:03:19]} 17. bxc4 {[%emt 0:00:02] [#]} Nfg4+ $1 {[%emt 0:01:51]} 18. Kh1 {[%emt 0:08:11]} Nxe3 {[%emt 0:00:44] Black is more active.} 19. Nxe3 {[%emt 0:00:16]} Bxh3 {[%emt 0:00:47] A strong pair of Bishops.} 20. Rad1 {[%emt 0:01:45]} Nc6 {[%emt 0:00:57]} 21. Ncd5 {[%emt 0:07:16]} Rb8 {[%emt 0:03:59] Against Nb6} 22. Rb1 {[%emt 0:01:06]} Bxg2+ {[%emt 0:01:09]} 23. Kxg2 {[%emt 0:01:24]} Rxe4 {[%emt 0:00:33]} 24. Rxb8 {[%emt 0:04:22]} (24. Qc2 $17 Re8 25. Rxb8 Nxb8 26. Rb1) 24... Qxb8 $19 {[%emt 0:00:38]} 25. Qc2 {[%emt 0:00:13]} Re8 {[%emt 0:05:58]} 26. Rb1 {[%emt 0:01:49] [#]} Qc8 {[%emt 0:02:25]} 27. Qa4 {[%emt 0:01:27]} Nd4 {[%emt 0:01:22]} 28. Nc7 {[%emt 0:03:21]} (28. Qd1 {was necessary.}) 28... Rd8 {[%emt 0:05:39]} 29. Nxa6 {[%emt 0:13:43]} (29. Qa5) 29... Qe6 {[%emt 0:01:01]} 30. Rb8 {[%emt 0:04:24]} Qe4+ {[%emt 0:00:35]} 31. Kh2 {[%emt 0:01:21]} Rxb8 {[%emt 0:01:58]} 32. Nxb8 {[%emt 0:00:03]} Nf3+ {[%emt 0:00:44]} 33. Kg2 {[%emt 0:05:13]} Ne5+ {[%emt 0:00:34]} 34. Kh2 {[%emt 0:00:23]} Bh6 {[%emt 0:01:10]} 35. Nd7 {[%emt 0:01:28] aiming for Nf6+.} Nf3+ {[%emt 0:04:29]} 36. Kh3 {[%emt 0:00:41] Hoping for Nf6+.} Kg7 {[%emt 0:00:48] Inhibits Nf6. ( -> ...Ne1)} 37. Ng2 {[%emt 0:01:35]} Bg5 {[%emt 0:01:01]} (37... Ne1 $142 38. Nh4 Qh1+ 39. Kg4 Bd2 40. f4 h5+ 41. Kg5 Qh3 42. Nf6 Qxg3+ 43. Ng4 Qxg4#) 38. Qb5 {[%emt 0:00:33]} Qe6+ {[%emt 0:00:35]} (38... Ne1 $142 39. Qb2+ f6) 39. g4 {[%emt 0:00:07]} h5 {[%emt 0:00:16][%csl Gh5][%cal Re6g4]} 40. Qb2+ {[%emt 0:00:34]} Nd4 {[%emt 0:00:39]} 41. Nb6 {[%emt 0:00:47]} Qxg4+ {[%emt 0:00:07]} 42. Kh2 {[%emt 0:00:07]} Bf6 {[%emt 0:00:14] Weighted Error Value: White=1.23/Black=0.46} 0-1

[Event "13th Chennai Open 2022"]
[Site "Chennai"]
[Date "2022.06.20"]
[Round "3.17"]
[White "Konguvel, Ponnuswamy"]
[Black "Madhavan R Munjanattu"]
[Result "1/2-1/2"]
[ECO "C42"]
[WhiteElo "2331"]
[BlackElo "1779"]
[Annotator "TA"]
[PlyCount "77"]
[EventDate "2022.06.19"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 11,77,8,50,33,93,46,40,25,33,16,41,43,49,29,47,48,48,44,43,43,43,35,65,27,26,29,39,18,94,99,138,120,109,122,111,93,93,48,57,26,35,40,19,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 {[%emt 0:00:05]} e5 {[%emt 0:00:03]} 2. Nf3 {[%emt 0:00:10]} Nf6 {[%emt 0:00:09]} 3. Nxe5 {[%emt 0:00:28]} d6 {[%emt 0:00:20]} 4. Nf3 {[%emt 0:00:06]} Nxe4 {[%emt 0:00:09]} 5. Nc3 {[%emt 0:00:05]} Nxc3 {[%emt 0:02:07]} 6. dxc3 {[%emt 0:00:07]} Bg4 {[%emt 0:00:30]} 7. h3 {[%emt 0:01:50] C42: Petroff Defence: 3 Nxe5 and unusual White 3rd moves.} (7. Qd5 {feels hotter.} Nc6 8. Bb5 Bd7 9. O-O) 7... Bf5 {[%emt 0:01:31]} ({Black should play} 7... Bd7 $14) 8. Be3 {[%emt 0:05:34]} ({But not} 8. Bg5 Be7 9. Be3 Nc6 $11) (8. Qd5 $16 Bxc2 9. Qxb7) 8... Nc6 $14 {[%emt 0:04:47] [#]} 9. Bb5 $146 {[%emt 0:07:00] White is slightly better.} ({Predecessor:} 9. Qd2 Qd7 10. O-O-O Be7 11. Be2 O-O-O 12. Rhe1 h5 13. Bb5 a6 14. Bxc6 Qxc6 15. Nd4 {½-½ (23) Szegi,T (2228)-Riabov,A (2075) Slovakia 2012}) 9... a6 {[%emt 0:02:24]} 10. Ba4 {[%emt 0:00:25]} Be7 {[%emt 0:04:31]} 11. Nd4 {[%emt 0:14:13]} Bd7 {[%emt 0:01:54]} 12. Bxc6 {[%emt 0:00:38]} Bxc6 {[%emt 0:03:47]} 13. Nxc6 {[%emt 0:04:13]} bxc6 {[%emt 0:01:25]} 14. Qf3 {[%emt 0:00:03]} Qd7 {[%emt 0:01:00]} 15. O-O $36 {[%emt 0:00:52][%mdl 2048] White has the initiative.} O-O {[%emt 0:01:21]} 16. Rad1 {[%emt 0:00:03][%cal Ba1d1,Bd1d3,Bd3e3][%mdl 32]} f5 {[%emt 0:06:03]} 17. c4 {[%emt 0:02:07] White is more active.} Bf6 {[%emt 0:06:34]} 18. b3 {[%emt 0:01:32]} g6 {[%emt 0:01:13]} 19. Rd3 {[%emt 0:00:55]} Qe8 {[%emt 0:03:45]} (19... Rae8 $11) 20. Bh6 $16 {[%emt 0:07:09]} Bg7 {[%emt 0:00:39]} 21. Re3 {[%emt 0:06:59]} Qd7 {[%emt 0:01:04]} 22. Bxg7 {[%emt 0:00:39]} Kxg7 {[%emt 0:00:08]} 23. Rfe1 {[%emt 0:00:02] [#] And now Re7+ would win.} Rae8 {[%emt 0:01:05] Against Re7+} 24. h4 {[%emt 0:00:55]} Kf7 {[%emt 0:02:03]} 25. Kf1 {[%emt 0:11:56][%cal Oc4c5,Bg1f1,Bf1e1,Be1d2][%mdl 32]} Rxe3 $1 {[%emt 0:02:58]} 26. Qxe3 $11 {[%emt 0:01:18][%mdl 4096] Endgame KQR-KQR} Re8 {[%emt 0:08:53]} 27. Qa7 {[%emt 0:02:22] [#] Hoping for Rxe8. The position is equal.} Rxe1+ {[%emt 0:00:10]} 28. Kxe1 {[%emt 0:00:01] KQ-KQ} Qc8 {[%emt 0:06:35]} 29. Kd2 {[%emt 0:02:29]} c5 {[%emt 0:01:37]} 30. a3 {[%emt 0:00:12]} Ke6 {[%emt 0:00:30]} 31. b4 {[%emt 0:00:38]} cxb4 {[%emt 0:00:06]} 32. axb4 {[%emt 0:00:03]} Kd7 {[%emt 0:00:15]} 33. Qd4 {[%emt 0:00:30]} Qb7 {[%emt 0:05:17][%csl LRb4,LRg2]} 34. Qg7+ {[%emt 0:04:07]} Ke6 {[%emt 0:01:14]} 35. Qg8+ {[%emt 0:05:27]} Kf6 {[%emt 0:00:13]} 36. Qf8+ {[%emt 0:00:53]} Ke6 {[%emt 0:00:09]} 37. Qe8+ {[%emt 0:05:46]} Kf6 {[%emt 0:00:06]} 38. Qh8+ {[%emt 0:02:34]} Ke6 {[%emt 0:00:12]} 39. Qe8+ {[%emt 0:01:52] Weighted Error Value: White=0.12 (very precise) /Black=0.12 (very precise)} 1/2-1/2

[Event "13th Chennai Open 2022"]
[Site "Chennai"]
[Date "2022.06.20"]
[Round "3.18"]
[White "Parekh Vishrut"]
[Black "Aaryan Varshney"]
[Result "1/2-1/2"]
[ECO "E18"]
[WhiteElo "1774"]
[BlackElo "2308"]
[Annotator "TA"]
[PlyCount "91"]
[EventDate "2022.06.19"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 14,91,68,67,65,58,58,50,77,74,83,84,79,37,42,40,43,27,35,40,48,29,47,34,42,31,56,42,34,16,37,35,75,69,130,107,102,111,113,88,94,72,75,48,95,65,67,68,69,68,79,77,74,74,74,74,75,40,51,33,35,22,18,21,34,41,52,22,27,27,37,0,0,0,0,0,4,3,4,8]} 1. d4 {[%emt 0:00:09]} Nf6 {[%emt 0:03:32]} 2. c4 {[%emt 0:00:20]} e6 {[%emt 0:00:04]} 3. Nf3 {[%emt 0:00:21]} b6 {[%emt 0:00:12]} 4. g3 {[%emt 0:01:06]} Bb7 {[%emt 0:00:40]} 5. Bg2 {[%emt 0:00:10]} Be7 {[%emt 0:00:30]} 6. O-O {[%emt 0:00:53]} O-O {[%emt 0:00:11]} 7. d5 {[%emt 0:01:07]} d6 {[%emt 0:22:24]} 8. Nc3 {[%emt 0:01:33]} e5 {[%emt 0:00:16] E18: Queen's Indian: Old Main Line (4 g3 Bb7 5 Bg2 Be7 6 0-0 0-0 7 Nc3).} 9. Nh4 {[%emt 0:02:21]} g6 {[%emt 0:00:41]} 10. e4 {[%emt 0:03:46]} Ne8 {[%emt 0:01:11] White is slightly better.} 11. Nf3 {[%emt 0:09:00]} Nd7 {[%emt 0:01:05] [#]} 12. Bh6 $146 {[%emt 0:00:34]} ({Predecessor:} 12. Ne1 Ng7 13. Nd3 f5 14. Bh6 Rf7 15. f3 Nc5 16. Qe2 Bf6 17. Rab1 a5 18. Nxc5 bxc5 {½-½ (25) Luksza,A (2085)-Nogueiras Santiago,J (2521) Montreal 2003}) 12... Ng7 {[%emt 0:00:10]} 13. Nd2 {[%emt 0:00:50]} Bg5 {[%emt 0:01:37]} 14. Bxg5 {[%emt 0:03:03]} Qxg5 {[%emt 0:02:19]} 15. Qe2 {[%emt 0:16:22]} f5 {[%emt 0:04:35]} 16. exf5 {[%emt 0:01:12]} gxf5 {[%emt 0:02:08]} 17. Rae1 {[%emt 0:01:41]} a6 {[%emt 0:07:52]} 18. f4 {[%emt 0:02:13]} Qh6 {[%emt 0:04:51]} 19. fxe5 {[%emt 0:01:28]} dxe5 {[%emt 0:01:26]} 20. Qe3 {[%emt 0:01:48]} (20. g4 {looks sharper.} Kh8 21. gxf5 Rxf5 22. Nde4) 20... Qd6 {[%emt 0:02:13]} 21. Nf3 {[%emt 0:02:21]} Rae8 {[%emt 0:02:17]} 22. Nh4 {[%emt 0:01:45]} e4 {[%emt 0:07:45] [#]} 23. Bh3 $1 {[%emt 0:01:18][%cal Rh4f5]} Ne5 {[%emt 0:00:41]} (23... Re5 $14) 24. Bxf5 {[%emt 0:04:00]} Nxc4 {[%emt 0:04:24]} 25. Qd4 {[%emt 0:01:18]} b5 {[%emt 0:05:52]} 26. Rxe4 {[%emt 0:06:15] Dancing on a razor blade.} Qb6 {[%emt 0:05:11]} 27. Qxb6 {[%emt 0:02:41]} Nxb6 {[%emt 0:00:51]} 28. Rd4 {[%emt 0:02:38]} Rd8 {[%emt 0:02:51]} (28... Nxf5 $14 29. Nxf5 Bc8) 29. Rdf4 {[%emt 0:04:00][%cal Of5h7] 0x0.00207b3c2896dp-1022s more active pieces.} Kh8 {[%emt 0:04:10]} 30. Be6 {[%emt 0:02:03]} Rxf4 {[%emt 0:01:36]} 31. Rxf4 {[%emt 0:00:06]} Nxe6 {[%emt 0:00:38]} 32. dxe6 {[%emt 0:00:03]} Re8 {[%emt 0:00:15]} 33. Rf7 {[%emt 0:01:07] Black must now prevent Nf5.} b4 {[%emt 0:01:13] [#]} 34. Ne2 {[%emt 0:07:21] Hoping for Nf5.} ({Weaker is} 34. Rxc7 bxc3 35. bxc3 (35. Rxb7 $2 c2 $19) 35... Be4 $17) 34... Bd5 {[%emt 0:00:29]} 35. Rxc7 {[%emt 0:01:47] Strongly threatening Nf4.} (35. Nf4 {feels hotter.} Bxe6 36. Nxe6 Rxe6 37. Rxc7 Re2 38. Rc6) 35... Bxe6 {[%emt 0:00:32]} 36. Rb7 {[%emt 0:02:40]} Bxa2 {[%emt 0:01:19][%cal Oa6a5]} 37. Rxb6 {[%emt 0:00:19]} Rxe2 {[%emt 0:00:09]} 38. Rxb4 $14 {[%emt 0:00:06][%mdl 4096] Endgame KRB-KRN} Bd5 {[%emt 0:00:34]} 39. Nf5 {[%emt 0:00:54] Rb8+ is the strong threat.} h5 {[%emt 0:00:39]} 40. Nh4 {[%emt 0:01:21] Against Rg2+} Kh7 {[%emt 0:02:34]} 41. Rb6 {[%emt 0:00:44]} Bc4 {[%emt 0:00:48]} 42. Ng6 {[%emt 0:01:45]} Bb5 {[%emt 0:00:32] The position is equal.} 43. Nf4 {[%emt 0:01:33][%csl LRe2,LRh5]} Rxb2 {[%emt 0:00:08]} 44. Nxh5 {[%emt 0:00:43]} Rb1+ {[%emt 0:01:39]} 45. Kf2 {[%emt 0:00:04]} Rb2+ {[%emt 0:00:05]} 46. Ke3 {[%emt 0:14:41] Weighted Error Value: White=0.11 (very precise) /Black=0.07 (flawless)} 1/2-1/2

[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

[Event "13th Chennai Open 2022"]
[Site "Chennai"]
[Date "2022.06.22"]
[Round "5.1"]
[White "Srijit Paul"]
[Black "Savchenko, Boris"]
[Result "1/2-1/2"]
[ECO "B81"]
[WhiteElo "2399"]
[BlackElo "2524"]
[Annotator "TA"]
[PlyCount "109"]
[EventDate "2022.06.19"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 15,109,27,42,41,41,41,43,51,47,45,39,48,126,126,133,114,118,99,99,100,99,94,100,100,155,147,142,154,135,138,145,157,164,140,173,138,168,127,138,116,152,146,181,186,181,111,131,112,110,100,322,174,234,114,123,125,196,141,219,200,244,206,201,165,172,178,357,254,257,195,194,199,195,195,189,175,212,192,191,110,119,132,246,246,242,237,254,239,230,143,118,0,219,0,114,0]} 1. e4 {[%emt 0:08:03]} c5 {[%emt 0:08:00]} 2. Nf3 {[%emt 0:00:11]} d6 {[%emt 0:00:07]} 3. d4 {[%emt 0:00:07]} cxd4 {[%emt 0:00:05]} 4. Nxd4 {[%emt 0:00:09]} Nf6 {[%emt 0:00:04]} 5. Nc3 {[%emt 0:00:08]} a6 {[%emt 0:00:04]} 6. h3 {[%emt 0:00:25]} e6 {[%emt 0:00:07]} 7. g4 {[%emt 0:00:04]} h6 {[%emt 0:00:04]} 8. Bg2 {[%emt 0:00:05]} Nc6 {[%emt 0:01:48]} 9. Nxc6 {[%emt 0:04:23] B81: Sicilian Scheveningen: Keres Attack.} bxc6 {[%emt 0:00:08]} 10. e5 {[%emt 0:00:03]} dxe5 {[%emt 0:19:12]} 11. Bxc6+ {[%emt 0:06:46] White is slightly better.} Bd7 {[%emt 0:00:07]} 12. Bxa8 {[%emt 0:03:05]} Qxa8 {[%emt 0:00:08]} 13. Rg1 {[%emt 0:00:23] [#]} h5 $146 {[%emt 0:07:44]} ({Black should try} 13... Bc6 $14) ({Predecessor:} 13... Nd5 14. Nxd5 exd5 15. Qf3 Bd6 16. Bd2 Bc6 17. Qg3 d4 18. O-O-O O-O 19. g5 h5 {½-½ (47) Van Leeuwen,E (2493)-Genga,S (2436) ICCF email 2016}) 14. g5 $16 {[%emt 1:13:38]} Nd5 {[%emt 0:06:20]} 15. Bd2 {[%emt 0:00:00]} Ne7 {[%emt 0:18:58]} 16. Qe2 {[%emt 0:00:00]} Ng6 {[%emt 0:00:48]} 17. O-O-O {[%emt 0:00:00]} Bc6 {[%emt 0:00:52] Inhibits Ne4.} 18. Qc4 {[%emt 0:00:00]} Be7 {[%emt 0:00:31]} 19. Be3 {[%emt 0:00:00]} O-O {[%emt 0:00:27]} (19... Bf3 $142) 20. Bc5 {[%emt 0:00:00]} Bxc5 {[%emt 0:07:50]} 21. Qxc5 {[%emt 0:00:00]} Bg2 {[%emt 0:00:49]} 22. Qe3 {[%emt 0:00:00]} h4 {[%emt 0:05:27]} 23. Ne2 {[%emt 0:00:00]} Rc8 {[%emt 0:05:53]} 24. Rd2 {[%emt 0:00:00]} Kh7 {[%emt 0:06:55]} 25. Re1 {[%emt 0:00:00]} Bf3 {[%emt 0:01:43]} 26. Ng1 {[%emt 0:00:00]} Bd5 {[%emt 0:01:24]} 27. Kb1 {[%emt 0:00:00]} a5 {[%emt 0:00:21]} 28. Ne2 {[%emt 0:00:00]} Bf3 {[%emt 0:00:49]} 29. Nc3 {[%emt 0:00:00]} Qc6 {[%emt 0:00:31] [#]} 30. Qa7 {[%emt 0:00:00] Against Rb8} (30. Nb5 $1 $18 {[%mdl 512] And now Na7 would win.} Bd5 31. a4 (31. Na7 Qc4 $16)) 30... Bg2 {[%emt 0:01:50]} 31. Re3 {[%emt 0:00:00]} ({Wrong is} 31. Qxf7 $2 Rc7 32. Qxc7 Qxc7 $19) 31... Qc4 {[%emt 0:02:36]} 32. Ne2 {[%emt 0:04:10] Threatens to win with Rc3.} ({But not} 32. Qxa5 $6 Qf1+ 33. Rd1 Qxf2 $11) 32... Ra8 $2 {[%emt 0:02:07]} (32... Qc5 $16 33. Qd7 (33. Qxf7 Rf8 $16) 33... Rc7) 33. Qd7 {[%emt 0:00:23]} (33. Qxf7 $142 Bd5 34. b3) 33... a4 {[%emt 0:01:18]} (33... Kg8 $142 34. a3 a4) 34. Qd3 {[%emt 0:01:03]} (34. Rc3 $18 Qb4 35. Qxf7) 34... Qxd3 {[%emt 0:00:49]} 35. Rdxd3 {[%emt 0:00:36]} e4 {[%emt 0:00:57]} (35... Nf4 $16) 36. Rd7 {[%emt 0:01:20]} (36. Ra3 $18) 36... Ne5 {[%emt 0:00:04]} (36... Rf8 $16 37. Kc1 e5) 37. Rc7 $18 {[%emt 0:00:04]} Rd8 {[%emt 0:00:37]} 38. Kc1 {[%emt 0:00:09] Inhibits Rd1+.} Bf3 {[%emt 0:01:56]} 39. b4 {[%emt 0:01:46]} axb3 {[%emt 0:00:00]} 40. axb3 {[%emt 0:00:04]} Ra8 $2 {[%emt 0:00:18]} (40... Kg6 41. Rc5 f6) 41. Kb2 {[%emt 0:00:14] aiming for Nc3.} Kg6 {[%emt 0:00:39]} 42. Nd4 {[%emt 0:00:47]} Bg2 {[%emt 0:00:06]} 43. Rc5 $1 {[%emt 0:01:04]} Nd7 {[%emt 0:00:16]} 44. Rb5 {[%emt 0:00:40]} e5 {[%emt 0:00:12]} 45. Nc6 {[%emt 0:00:05] Rd5 is the strong threat.} f6 {[%emt 0:00:56]} 46. gxf6 {[%emt 0:00:33]} Kxf6 {[%emt 0:00:21]} 47. Nb4 {[%emt 0:00:25]} (47. Rd5 $18 Ke6 48. Rxd7 $1 {[%mdl 512]} Kxd7 49. Nxe5+ Ke6 50. Ng6) 47... g5 {[%emt 0:00:58][%cal Og5g4]} 48. Nd5+ {[%emt 0:00:58]} Kg6 {[%emt 0:00:10]} (48... Kf7 $16) 49. Rb7 $1 {[%emt 0:00:16]} Rd8 {[%emt 0:00:20][%cal Og5g4]} 50. Ne7+ {[%emt 0:00:14]} Kf6 {[%emt 0:01:05] [#]} 51. Nc6 {[%emt 0:01:36]} Rc8 {[%emt 0:00:03]} 52. Na7 {[%emt 0:00:05]} Rd8 {[%emt 0:00:04] [#]} 53. Nc6 {[%emt 0:00:18]} (53. b4 $1 $16) 53... Rc8 {[%emt 0:00:04]} 54. Na7 {[%emt 0:01:13]} (54. Rxd7 $18 Rxc6 55. b4) 54... Rd8 $16 {[%emt 0:00:04]} 55. Nc6 {[%emt 0:01:44] Weighted Error Value: White=0.30/Black=0.26 (precise)} (55. b4 $16) 1/2-1/2

[Event "13th Chennai Open 2022"]
[Site "Chennai"]
[Date "2022.06.22"]
[Round "5.2"]
[White "Stupak, Kirill"]
[Black "Abdyjapar, Asyl"]
[Result "1/2-1/2"]
[ECO "D17"]
[WhiteElo "2440"]
[BlackElo "2346"]
[Annotator "TA"]
[PlyCount "100"]
[EventDate "2022.06.19"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 13,100,3,4,-5,-9,-25,-34,-14,-20,-29,0,0,0,-14,20,8,17,13,32,10,17,0,8,0,31,24,23,10,45,29,47,19,32,27,25,0,36,33,25,-5,-1,-1,-1,-2,-10,-11,0,0,0,0,13,18,38,38,62,20,66,0,31,31,31,31,31,0,31,31,31,0,31,0,31,31,31,31,31,0,31,31,31,31,31,8,31,31,46,31,33,31,57]} 1. d4 {[%emt 0:06:49]} d5 {[%emt 0:01:19]} 2. Nf3 {[%emt 0:00:17]} Nf6 {[%emt 0:00:05]} 3. c4 {[%emt 0:00:04]} c6 {[%emt 1:30:36]} 4. Nc3 {[%emt 0:00:04]} dxc4 {[%emt 0:00:00]} 5. a4 {[%emt 0:00:11]} Bf5 {[%emt 0:00:00]} 6. Ne5 {[%emt 0:00:40]} Nbd7 $1 {[%emt 0:00:00] 6...Nbd7 scores better than 6...e6.} 7. Nxc4 {[%emt 0:00:05]} Qc7 {[%emt 0:00:00]} 8. Qd2 {[%emt 0:00:52] D17: Slav Defence: 5 a4 Bf5: Lines with 6 Nh4 and 6 Ne5.} g6 {[%emt 0:00:00]} 9. Qf4 {[%emt 1:25:58]} Qxf4 {[%emt 0:00:00]} 10. Bxf4 {[%emt 0:00:00] Black is slightly better.} Bg7 {[%emt 0:00:00]} 11. e3 {[#]} O-O $146 {[%emt 0:00:00]} (11... Nh5 $5 {[%cal Rh5f4]}) ({Predecessor:} 11... Nd5 12. Nxd5 cxd5 13. Na5 O-O 14. Nxb7 e5 15. dxe5 Nxe5 16. Nd6 Nd3+ 17. Bxd3 Bxd3 {1-0 (41) Wojtaszek,R (2734)-Svane,R (2543) Berlin 2015}) 12. Be2 Nd5 {[%emt 0:04:30]} 13. Bg3 {[%emt 0:00:00]} a5 {[%emt 0:00:00]} 14. O-O {[%emt 0:00:00]} Rfc8 {[%emt 0:00:00]} 15. Rfd1 {[%emt 0:00:00]} Nb4 {[%emt 0:00:00]} 16. Rd2 {[%emt 0:00:00]} Be6 {[%emt 0:00:00]} 17. Rad1 {[%emt 0:00:00]} f5 {[%emt 0:00:00]} 18. Rc1 {[%emt 0:00:00]} g5 {[%emt 0:00:00]} 19. Rdd1 {[%emt 0:00:00]} Nd5 {[%emt 0:03:30]} 20. Nxd5 {[%emt 0:00:00]} Bxd5 {[%emt 0:00:00]} 21. Bd3 {[%emt 0:00:00]} Be6 {[%emt 0:00:00]} 22. b3 {[%emt 0:00:00]} Bf6 {[%emt 0:00:00]} 23. h3 {[%emt 0:00:00]} h5 {[%emt 0:00:00]} 24. Kf1 {[%emt 0:00:00]} h4 {[%emt 0:00:00]} 25. Bh2 {[%emt 0:00:00]} Kg7 {[%emt 0:00:00]} 26. f4 {[%emt 0:00:00]} gxf4 {[%emt 0:00:00]} 27. Bxf4 {[%emt 0:00:00]} b5 {[%emt 0:00:00]} 28. axb5 {[%emt 0:00:00]} cxb5 {[%emt 0:00:00]} 29. Nd2 {[%emt 0:00:00]} Rxc1 {[%emt 0:00:00]} 30. Rxc1 {[%emt 0:00:00]} a4 {[%emt 0:00:00]} 31. Bxb5 {[%emt 0:00:00]} axb3 {[%emt 0:00:00] [#]} 32. Nxb3 {[%emt 0:00:00]} Bxb3 {[%emt 0:00:00]} (32... Nb6 33. Nc5) 33. Bxd7 {[%emt 0:00:00]} Kg6 {[%emt 0:00:00]} 34. Bb5 {[%emt 0:00:00]} (34. Rc5 $5 {[%cal Rd7f5]}) 34... Bd5 {[%emt 0:00:00]} (34... e6 $11 {is more appropriate.}) 35. Be2 {[%emt 0:00:00]} (35. Bc6 $14 Rc8 {[#]} 36. Bc7 $1 (36. Bxd5 Rxc1+ 37. Ke2 Bg5 $17) 36... Bxc6 37. Rxc6) 35... Ra2 {[%emt 0:00:00][%cal Od5g2]} 36. Bf3 {[%emt 0:00:00]} Bxf3 {[%emt 0:00:00]} 37. gxf3 $14 {[%emt 0:00:00][%mdl 4096] Endgame KRB-KRB} Rb2 {[%emt 0:00:00]} 38. Re1 {[%emt 0:00:00]} Ra2 {[%emt 0:00:00]} 39. Re2 {[%emt 0:00:00]} Ra1+ {[%emt 0:00:00]} 40. Re1 {[%emt 0:00:00]} Ra2 {[%emt 0:00:00]} 41. Re2 {[%emt 0:00:00]} Ra1+ {[%emt 0:00:00]} 42. Kg2 {[%emt 0:00:00]} Rd1 {[%emt 0:00:00]} 43. Rc2 {[%emt 0:00:00]} Rb1 {[%emt 0:00:00]} 44. Re2 {[%emt 0:00:00]} Rd1 {[%emt 0:00:00]} 45. Kf2 {[%emt 0:00:00]} Rb1 {[%emt 0:00:00]} 46. Rd2 {[%emt 0:00:00]} Ra1 {[%emt 0:00:00]} 47. Ke2 {[%emt 0:00:00]} Rb1 {[%emt 0:00:00]} ({Don't do} 47... Rh1 48. Rd1 Rxd1 49. Kxd1 $16) 48. Ra2 {[%emt 0:00:00] White is slightly better.} Kh7 {[%emt 0:00:00]} 49. Kf2 {[%emt 0:00:00]} Kg6 {[%emt 0:00:00]} 50. Rc2 {[%emt 0:16:21]} Rb4 {[%emt 0:00:00] Weighted Error Value: White=0.13 (very precise) /Black=0.09 (flawless)} 1/2-1/2

[Event "13th Chennai Open 2022"]
[Site "Chennai"]
[Date "2022.06.22"]
[Round "5.3"]
[White "Nitin, S.."]
[Black "Jubin Jimmy"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "2399"]
[BlackElo "2259"]
[Annotator "TA"]
[PlyCount "125"]
[EventDate "2022.06.19"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 9,125,0,0,0,0,0,115,132,137,17,16,10,30,23,93,86,95,91,122,110,116,115,113,126,119,119,100,7,8,9,9,12,26,52,127,120,132,133,132,127,132,129,133,131,120,124,129,124,133,93,100,96,115,110,108,102,93,34,52,53,51,45,120,120,116,38,82,89,150,162,161,152,147,113,86,78,112,0,0,0,0,-5,0,0,0,0,21,0,28,0,0,0,0,0,0,0,68,80,90,0,0,0,510,427,1341,572,562,562,547,289,2555,2504,2087,2011,29986,29987,29984,6502]} 1. e4 {[%emt 0:00:42]} c6 {[%emt 0:00:08]} 2. d4 {[%emt 0:00:11]} d5 {[%emt 0:00:07]} 3. e5 {[%emt 0:00:06]} c5 {[%emt 0:00:44]} 4. dxc5 {[%emt 0:00:10]} e6 {[%emt 0:00:06]} 5. a3 {[%emt 0:00:06]} Bxc5 {[%emt 0:01:11]} 6. Qg4 {[%emt 0:00:14] B12: Caro-Kann: Advance Variation.} Ne7 {[%emt 0:00:22]} 7. Nf3 {[%emt 0:00:15]} Nd7 {[%emt 0:05:37]} (7... Ng6 $11 {remains equal.}) 8. b4 $16 {[%emt 0:09:17] White is better.} ({Much worse is} 8. Qxg7 $6 Ng6 9. Bb5 Bf8 $11) 8... Bb6 {[%emt 0:00:06]} 9. Bd3 {[%emt 0:00:22]} (9. Qxg7 $16 Rf8 10. Qxh7) 9... Bc7 $11 {[%emt 0:12:20]} 10. Bb2 {[%emt 0:04:22]} Ng6 {[%emt 0:01:28] [#]} 11. O-O $146 {[%emt 0:04:55]} ({Predecessor:} 11. h4 Kf8 12. Qg3 f5 13. h5 f4 14. Qg5 Qxg5 15. Nxg5 Bxe5 16. Bxe5 Ngxe5 17. Nxe6+ {1-0 (29) Werner,C (2200)-Leeb,S (2219) Bayern 2020}) 11... h5 {[%emt 0:24:42]} (11... O-O $11 {keeps the balance.}) 12. Qg3 $16 {[%emt 0:02:04]} h4 {[%emt 0:00:08]} 13. Qg4 {[%emt 0:01:24]} Ndxe5 {[%emt 0:01:57]} 14. Nxe5 {[%emt 0:00:29]} Bxe5 {[%emt 0:00:02]} 15. Bxe5 {[%emt 0:01:37][%mdl 64] Remove Defender} Nxe5 {[%emt 0:00:03]} 16. Qxg7 {[%emt 0:00:11]} Rh5 {[%emt 0:00:02][%cal Bh8h5,Bh5f5,Bf5f6][%mdl 32]} 17. Be2 {[%emt 0:10:11]} Rf5 {[%emt 0:02:02]} 18. Nc3 {[%emt 0:01:16]} (18. c4 $16) 18... Qf6 $1 $11 {[%emt 0:10:51]} 19. Qxf6 {[%emt 0:11:26]} Rxf6 {[%emt 0:00:03]} 20. f4 {[%emt 0:00:18][%cal Bf2f4,Bf4f5][%mdl 32]} Ng6 {[%emt 0:09:51]} 21. f5 $36 {[%emt 0:05:52][%mdl 2048] White has the initiative.} Ne7 {[%emt 0:00:55]} (21... Rxf5 $14 22. Rxf5 exf5) 22. Nb5 $1 $16 {[%emt 0:03:26][%cal Bc3b5,Bb5d6,Bd6f7,Bf7e5][%mdl 32] And now Nc7+ would win.} Kd8 {[%emt 0:01:58] Inhibits Nc7.} 23. fxe6 {[%emt 0:00:19]} Rxf1+ {[%emt 0:00:04]} 24. Rxf1 {[%emt 0:00:11]} Bxe6 {[%emt 0:00:25]} 25. Nd6 $1 {[%emt 0:03:27]} Kc7 {[%emt 0:01:22]} 26. Nxf7 {[%emt 0:00:12] White is much more active.} Rg8 {[%emt 0:00:04]} 27. Bd3 {[%emt 0:03:19] Against Nf5} Nc6 {[%emt 0:09:44]} 28. b5 {[%emt 0:04:06]} Ne7 {[%emt 0:00:06]} 29. Re1 {[%emt 0:05:55]} Kd7 {[%emt 0:00:25]} 30. Ne5+ {[%emt 0:00:20]} Kd6 {[%emt 0:00:03]} 31. Nf3 $1 {[%emt 0:01:10]} h3 {[%emt 0:01:45]} 32. g3 {[%emt 0:03:24]} Bf5 {[%emt 0:04:31] [#]} 33. Nd4 {[%emt 0:11:20]} (33. Rxe7 $1 $16 Bxd3 34. Rxb7 Bxc2 35. Rxa7) 33... Bxd3 $14 {[%emt 0:01:53]} 34. cxd3 {[%emt 0:00:02][%mdl 4096] Endgame KRN-KRN} Rg4 {[%emt 0:00:24]} 35. Nc2 {[%emt 0:00:05]} Ra4 {[%emt 0:06:56]} (35... Nf5 $14) 36. Kf2 $16 {[%emt 0:01:10]} Nf5 {[%emt 0:01:24]} 37. Kf3 {[%emt 0:01:43]} ({Better is} 37. Re8 $1 $16) 37... Nh6 {[%emt 0:00:32]} 38. Re2 {[%emt 0:01:53]} Ng4 {[%emt 0:01:17]} (38... b6 $142) 39. d4 {[%emt 0:03:02]} Nf6 {[%emt 0:00:03]} 40. Kf4 {[%emt 0:01:23]} Ne4 {[%emt 0:00:21] [#]} 41. g4 $1 {[%emt 0:04:57]} Nc3 {[%emt 0:00:23][%csl LRb5,LRe2]} 42. Re3 {[%emt 0:02:37]} Rc4 {[%emt 0:01:59]} 43. Kf5 {[%emt 0:01:57]} ({Resist} 43. b6 axb6 44. g5 Ne4 $14) (43. g5 $16) 43... Nxb5 $11 {[%emt 0:00:26][%mdl 64] Discovered Attack} 44. Nb4 {[%emt 0:00:30]} Nxd4+ {[%emt 0:00:50]} 45. Kf6 {[%emt 0:00:02]} Rc1 {[%emt 0:01:27] aiming for ...Rf1+.} 46. Rxh3 {[%emt 0:00:48]} Rf1+ {[%emt 0:00:10]} 47. Kg6 {[%emt 0:00:21]} Rg1 {[%emt 0:00:52]} 48. Rh6 {[%emt 0:00:31]} Kc5 {[%emt 0:00:29]} 49. g5 {[%emt 0:00:24]} Nf3 {[%emt 0:00:29] White must now prevent ...a5.} 50. h4 {[%emt 0:00:17]} Rh1 {[%emt 0:00:42]} 51. h5 {[%emt 0:00:29]} Rg1 {[%emt 0:00:05]} 52. Kf5 {[%emt 0:00:03]} Nh4+ {[%emt 0:01:18]} (52... Nxg5 $2 53. Rg6 Rg3 54. Rxg5 $18) (52... Rxg5+ $2 53. Kf4 $18) (52... a5 $11) 53. Kf4 $14 {[%emt 0:00:52] Threatens to win with Rh8.} a5 {[%emt 0:00:03] [#]} 54. Nd3+ {[%emt 0:00:44]} ({White should play} 54. Nc2 $1 $16) 54... Kd4 $11 {[%emt 0:00:04]} 55. Nf2 {[%emt 0:00:03]} Rf1 $2 {[%emt 0:00:25][%mdl 8192]} (55... Ng2+ $11 56. Kg4 Ne3+ 57. Kf4 Ng2+ 58. Kg4 Ne3+ 59. Kf4 Ng2+) 56. Kg4 $18 {[%emt 0:01:16] Strongly threatening Rf6.} Ng2 {[%emt 0:00:04]} (56... Rxf2 $142 57. Kxh4 Ke5) 57. Kg3 {[%emt 0:00:15]} (57. Rf6 $142 Ne3+ 58. Kh4) 57... Ne3 {[%emt 0:00:18]} 58. Rf6 {[%emt 0:00:02] Hoping for h6.} Rg1+ {[%emt 0:00:49]} 59. Kh4 {[%emt 0:01:05]} Ke5 $2 {[%emt 0:00:20]} (59... Ng2+ 60. Kh3 Ne3) 60. h6 {[%emt 0:00:24][%cal Bh5h6,Bh6h7][%mdl 32] h7 is the strong threat.} Ng2+ {[%emt 0:02:05]} 61. Kh5 {[%emt 0:00:54] h7 would kill now.} Ne1 {[%emt 0:00:40]} 62. h7 {[%emt 0:00:27]} Rg2 {[%emt 0:00:02]} 63. Ng4+ {[%emt 0:00:10] Weighted Error Value: White=0.25 (precise) /Black=0.41} (63. Kg6 $142 Rh2 64. Ng4+ Kd4 65. Nxh2 Nc2 66. h8=Q Kd3 67. Rf3+ Ne3 68. Qe5) 1-0

[Event "13th Chennai Open 2022"]
[Site "Chennai"]
[Date "2022.06.22"]
[Round "5.4"]
[White "Baghdasaryan, Vahe"]
[Black "Srihari L R"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "2267"]
[BlackElo "2404"]
[Annotator "TA"]
[PlyCount "115"]
[EventDate "2022.06.19"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 14,115,10,0,0,0,0,-46,-31,-39,-50,-41,-54,-50,-52,-32,87,84,158,168,155,164,153,158,180,122,100,99,99,0,0,0,0,0,0,0,0,0,0,0,7,0,8,6,41,47,41,32,66,66,71,71,191,190,254,264,264,258,254,237,220,108,128,121,198,185,522,511,521,528,423,8,8,8,8,8,8,8,8,8,22,8,69,82,541,523,1132,1126,29983,29984,29984,29985,29985,29986,29986,29983,29987,29988,29988,29989,29989,29988,29996,29997]} 1. e4 {[%emt 0:03:01]} c6 {[%emt 0:00:23]} 2. d4 {[%emt 0:00:10]} d5 {[%emt 0:00:06]} 3. e5 {[%emt 0:00:19]} Bf5 {[%emt 0:00:08]} 4. h4 {[%emt 0:00:06]} h5 {[%emt 0:00:07]} 5. c4 {[%emt 0:00:05]} e6 {[%emt 0:00:20]} 6. Nc3 {[%emt 0:00:06]} dxc4 {[%emt 0:00:53]} 7. Bxc4 {[%emt 0:00:51]} Nd7 {[%emt 0:00:05]} 8. Nge2 {[%emt 0:00:35]} Be7 {[%emt 0:09:46] B12: Caro-Kann: Advance Variation.} 9. Ng3 {[%emt 0:04:48]} Bg6 {[%emt 0:00:46]} 10. Nce4 {[%emt 0:08:06]} (10. Nge2 $11) 10... Nh6 $15 {[%emt 0:04:19][%cal Bg8h6,Bh6f5,Bf5d4][%mdl 32] Black is slightly better.} 11. Bg5 {[%emt 0:09:22]} Bxe4 {[%emt 0:06:44]} 12. Nxe4 {[%emt 0:00:11]} Nf5 {[%emt 0:00:07] [#]} 13. Qb3 $146 {[%emt 0:23:32][%cal Oc4e6]} ({Predecessor:} 13. O-O Nb6 14. Bd3 Qxd4 15. Qf3 Qxe5 16. Bxe7 Nxe7 17. Rfe1 Nbd5 18. Ng5 Qf4 19. Qe2 Qxh4 20. Nxf7 Kxf7 21. Qxe6+ {1-0 (28) Kostolansky,S (2393)-Cajka,T (2136) Bratislava 2021}) 13... Nxd4 {[%emt 0:40:38]} 14. Qc3 {[%emt 0:01:27]} Bb4 {[%emt 0:10:58]} 15. Bxd8 $16 {[%emt 0:15:50]} ({Much worse is} 15. Nd6+ Bxd6 16. exd6 (16. Bxd8 Bb4 $15) 16... Qb6 $15) 15... Rxd8 {[%emt 0:00:28]} (15... Bxc3+ $142 16. bxc3 Nc2+ 17. Kd1 Nxa1) 16. Nd6+ {[%emt 0:00:03]} Kf8 {[%emt 0:03:51] [#]} 17. O-O-O $1 {[%emt 0:00:16]} Bxc3 {[%emt 0:00:09]} 18. bxc3 {[%emt 0:00:03]} Nf5 {[%emt 0:07:17]} 19. Nxf5 {[%emt 0:03:50]} (19. Nxb7 $18 Ke7 20. Nxd8 Rxd8 21. Rde1) 19... exf5 {[%emt 0:00:02]} 20. e6 {[%emt 0:00:05] White is more active.} fxe6 {[%emt 0:00:05] And now ...Ke7 would win.} 21. Bxe6 {[%emt 0:00:04]} (21. Rhe1 $1 $16) 21... Ke7 $36 {[%emt 0:00:16][%mdl 2048] Black is pushing.} 22. Rhe1 {[%emt 0:00:05]} Nc5 {[%emt 0:00:36]} 23. Bxf5+ {[%emt 0:05:07]} Kf6 {[%emt 0:00:13]} 24. Bc2 {[%emt 0:00:18]} Rxd1+ {[%emt 0:07:03]} 25. Rxd1 {[%emt 0:00:16][%mdl 4096] Endgame KRB-KRN} Re8 {[%emt 0:00:06]} 26. Rd4 {[%emt 0:06:30]} g5 {[%emt 0:04:39] Prevents Rf4+.} 27. Kd1 {[%emt 0:05:26]} Rf8 {[%emt 0:02:02]} 28. g3 {[%emt 0:00:31]} Re8 {[%emt 0:00:34]} 29. hxg5+ {[%emt 0:01:41]} Kxg5 {[%emt 0:00:01]} 30. Rh4 {[%emt 0:00:07]} Rd8+ {[%emt 0:01:22]} 31. Ke2 {[%emt 0:00:13]} Re8+ {[%emt 0:00:11]} 32. Kf1 {[%emt 0:00:08]} Nd7 {[%emt 0:01:39]} (32... b6 $16) 33. f4+ $1 $18 {[%emt 0:00:10]} Kh6 {[%emt 0:00:07]} (33... Kf6 $142) 34. g4 {[%emt 0:00:05]} Kg7 {[%emt 0:00:33]} 35. Rxh5 {[%emt 0:00:23] aiming for Rh7+.} Nf6 {[%emt 0:00:03] Inhibits Rh7+.} 36. Rg5+ {[%emt 0:00:06]} Kf8 {[%emt 0:00:05]} 37. Rf5 {[%emt 0:00:08]} (37. Kf2 $18 {and White stays clearly on top.}) 37... Kg7 $16 {[%emt 0:00:07]} 38. Bb3 {[%emt 0:01:12] Black must now prevent g5.} Re7 {[%emt 0:00:37] [#]} (38... Re3 $16 {is a better defense.}) 39. Rg5+ $1 $18 {[%emt 0:00:33]} Kh8 $2 {[%emt 0:00:05]} (39... Kh6 {is tougher.} 40. Kg2 Re3) 40. Rg6 {[%emt 0:00:52]} Ne4 {[%emt 0:01:35]} 41. f5 {[%emt 0:01:08]} Kh7 {[%emt 0:00:34]} 42. g5 $2 {[%emt 0:00:56]} (42. Bc2 $18) 42... Ng3+ $11 {[%emt 0:00:07]} 43. Kf2 {[%emt 0:00:22] White wants to mate with Rh6+.} Nxf5 {[%emt 0:00:08]} 44. Rf6 {[%emt 0:00:09]} Ne3 {[%emt 0:00:35] Inhibits Bc2+. Strongly threatening ...Ng4+.} 45. Kf3 {[%emt 0:00:36] Against Ng4} Kg7 {[%emt 0:00:26]} 46. Kf4 {[%emt 0:04:58]} a5 {[%emt 0:01:00]} 47. Be6 {[%emt 0:02:52]} Nd1 {[%emt 0:00:56]} ({Black should try} 47... Nd5+ $1 $11 48. Bxd5 cxd5) 48. c4 $14 {[%emt 0:00:11]} Nc3 $2 {[%emt 0:00:28][%mdl 8192] [#] Black cannot hold the game after this.} (48... Nb2 $16 {is more resistant.}) 49. Kf5 $1 $18 {[%emt 0:00:34]} Ne2 {[%emt 0:00:10]} 50. Rg6+ {[%emt 0:00:27]} Kh8 {[%emt 0:00:49]} 51. Rg8+ {[%emt 0:00:11] White mates.} Kh7 {[%emt 0:00:27]} 52. g6+ {[%emt 0:00:06]} Kh6 {[%emt 0:00:32]} 53. Rh8+ {[%emt 0:00:06]} Kg7 {[%emt 0:00:29]} 54. Rh7+ {[%emt 0:00:05]} Kf8 {[%emt 0:00:01]} 55. Kf6 {[%emt 0:02:55][%cal Rh7h8]} Rxe6+ {[%emt 0:02:12]} 56. Kxe6 {[%emt 0:00:08]} Nf4+ {[%emt 0:00:30]} 57. Kf5 {[%emt 0:00:21]} Nd3 {[%emt 0:00:00]} 58. Kf6 {[%emt 0:00:06] Weighted Error Value: White=0.21 (precise) /Black=0.58} 1-0

[Event "13th Chennai Open 2022"]
[Site "Chennai"]
[Date "2022.06.22"]
[Round "5.5"]
[White "Fedorov, Alexei"]
[Black "Ravichandran, Siddharth"]
[Result "1-0"]
[ECO "B28"]
[WhiteElo "2529"]
[BlackElo "2352"]
[Annotator "TA"]
[PlyCount "77"]
[EventDate "2022.06.19"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 10,77,36,30,51,43,50,33,50,38,36,44,44,33,29,22,37,39,38,22,42,26,41,-8,-4,-8,2,11,113,106,112,104,102,56,83,88,172,187,189,170,266,251,252,196,457,445,627,586,550,578,722,727,681,699,710,667,911,895,840,785,1093,1000,29982,29983,29982,29983,29982,29983,29982,4652]} 1. e4 {[%emt 0:00:04]} c5 {[%emt 0:00:10]} 2. Nf3 {[%emt 0:00:10][%cal Bg1f3,Bf3d4,Bd4f5,Bf5e3][%mdl 32]} a6 {[%emt 0:00:21]} 3. c4 {[%emt 0:00:13]} Nc6 {[%emt 0:00:12]} 4. d4 {[%emt 0:00:30]} cxd4 {[%emt 0:00:09]} 5. Nxd4 {[%emt 0:00:05]} e5 {[%emt 0:04:12]} 6. Nf5 {[%emt 0:00:36]} d6 {[%emt 0:00:13] B28: Sicilian: 2 Nf3 a6 (O'Kelly Variation).} 7. Ne3 {[%emt 0:01:02]} g6 {[%emt 0:01:00]} 8. Nc3 {[%emt 0:00:21]} Bg7 {[%emt 0:02:35] White is slightly better.} 9. Bd3 {[%emt 0:09:39]} Nge7 {[%emt 0:00:29]} 10. h4 {[%emt 0:01:32]} h5 {[%emt 0:03:21]} 11. Ned5 {[%emt 0:00:58]} Nxd5 {[%emt 0:02:08]} 12. Nxd5 {[%emt 0:00:19] [#]} Be6 $146 {[%emt 0:03:51]} ({Predecessor:} 12... O-O 13. Bg5 f6 14. Be3 Be6 15. O-O Rc8 16. g3 Qe8 17. Be2 Kh7 18. Bb6 Qf7 {½-½ (53) Kotronias,V (2611)-Krush,I (2479) Gausdal 2008}) 13. Bg5 {[%emt 0:03:38]} Qa5+ {[%emt 0:01:56]} 14. Kf1 {[%emt 0:04:54]} Bxd5 {[%emt 0:01:19]} 15. exd5 {[%emt 0:00:32]} Nd4 {[%emt 0:13:18]} 16. g4 {[%emt 0:16:12]} (16. Be3 $14 {feels stronger.}) 16... Qc7 $11 {[%emt 0:06:57]} 17. Be3 {[%emt 0:19:33]} O-O-O {[%emt 0:34:50]} 18. g5 {[%emt 0:03:46]} f5 {[%emt 0:05:38]} (18... Rhe8 $11) 19. Bxd4 $16 {[%emt 0:05:49]} exd4 {[%emt 0:00:05]} 20. b4 {[%emt 0:00:26]} Rhe8 {[%emt 0:05:05]} 21. Qf3 {[%emt 0:04:19] Prevents Re4.} ({White should play} 21. Rb1 $16) 21... Re5 $1 $14 {[%emt 0:05:13]} 22. Kg2 {[%emt 0:00:25] Black is now going downhill.} Qf7 {[%emt 0:04:06] [#]} (22... Rde8 $16 {is a better defense.}) 23. Rab1 $1 $18 {[%emt 0:04:52]} Kd7 {[%emt 0:00:50]} 24. Rhc1 {[%emt 0:07:52]} Ke7 {[%emt 0:00:44]} (24... Rc8 $142 25. a4 Rc7) 25. c5 {[%emt 0:00:57][%cal Bc4c5,Bc5c6][%mdl 32]} ({Weaker is} 25. Qf4 Kf8 $14) 25... Kf8 {[%emt 0:01:38]} 26. c6 {[%emt 0:00:42]} b5 $2 {[%emt 0:00:37]} (26... Kg8 27. cxb7 Qxb7) 27. a4 {[%emt 0:00:41]} Qc7 {[%emt 0:00:58]} (27... Rxd5 $142 28. axb5 axb5) 28. axb5 {[%emt 0:00:42]} axb5 {[%emt 0:00:01]} 29. Ra1 {[%emt 0:00:34]} Kg8 {[%emt 0:00:40]} 30. Ra5 {[%emt 0:00:16]} Rb8 {[%emt 0:00:38]} 31. Rca1 {[%emt 0:00:43][%cal Bc1a1,Ba1a5,Ba5a8][%mdl 32]} Re7 {[%emt 0:00:16]} 32. Ra8 {[%emt 0:03:56]} Kh7 {[%emt 0:00:09]} 33. R1a5 {[%emt 0:00:56]} Rxa8 {[%emt 0:01:00]} 34. Rxa8 {[%emt 0:00:06][%cal Of3h5] White threatens Qxh5+! and mate.} Re5 {[%emt 0:00:23]} 35. Ra5 {[%emt 0:00:23]} Re1 {[%emt 0:00:29] [#]} 36. Bxf5 $1 {[%emt 0:01:36][%mdl 512] White mates.} Qf7 {[%emt 0:00:07]} 37. Qxh5+ {[%emt 0:01:30]} Kg8 {[%emt 0:00:02]} 38. Ra8+ {[%emt 0:00:16]} Bf8 {[%emt 0:00:07]} 39. Qxg6+ {[%emt 0:00:16] Weighted Error Value: White=0.07 (flawless) /Black=0.52} (39. Bxg6 $142 Qxd5+ 40. f3 Re2+ 41. Kf1 Re7 {[#]} 42. Rxf8+ $1 {[%mdl 512]} Kxf8 43. Qh8+ Qg8 44. Qf6+ Qf7 45. Bxf7) 1-0

[Event "13th Chennai Open 2022"]
[Site "Chennai"]
[Date "2022.06.22"]
[Round "5.6"]
[White "Aaryan Varshney"]
[Black "Tran, Tuan Minh"]
[Result "0-1"]
[ECO "E15"]
[WhiteElo "2308"]
[BlackElo "2533"]
[Annotator "TA"]
[PlyCount "78"]
[EventDate "2022.06.19"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 22,78,19,8,17,5,27,6,17,0,0,0,21,16,41,24,41,0,23,-29,-20,-19,-11,-86,-85,-69,-66,-99,-96,-124,-83,-82,-18,-106,-74,-100,-91,-137,-98,-119,-106,-114,-117,-590,-597,-600,-609,-541,-529,-1186,-1178,-2509,-2424,-29996,-29996,-29996,-29997,-29998,-29999]} 1. d4 {[%emt 0:00:03]} Nf6 {[%emt 0:00:08]} 2. c4 {[%emt 0:00:08]} e6 {[%emt 0:00:04]} 3. Nf3 {[%emt 0:00:04]} b6 {[%emt 0:00:10]} 4. g3 {[%emt 0:00:07]} Ba6 {[%emt 0:00:05]} 5. b3 {[%emt 0:00:06]} Bb4+ {[%emt 0:00:05]} 6. Bd2 {[%emt 0:00:06]} Be7 {[%emt 0:00:04]} 7. Bg2 {[%emt 0:00:08]} O-O {[%emt 0:00:18]} 8. O-O {[%emt 0:00:07]} Bb7 {[%emt 0:00:10]} 9. Nc3 {[%emt 0:00:49]} d5 {[%emt 0:00:08]} 10. cxd5 {[%emt 0:00:10]} exd5 {[%emt 0:00:08]} 11. Qc2 {[%emt 0:00:19]} Na6 {[%emt 0:00:17]} 12. Rfd1 {[%emt 0:00:32]} Re8 {[%emt 0:00:49] E15: Queen's Indian: 4 g3 sidelines, 4 g3 Ba6 and 4 g3 Bb7 early deviations.} 13. Bf4 {[%emt 0:03:14]} Ne4 {[%emt 0:09:27] [#]} 14. Ne5 $146 {[%emt 0:05:25][%cal Rc3e4]} ({Predecessor:} 14. a3 Nxc3 15. Qxc3 c5 16. Qd3 Bd6 17. e3 Bxf4 18. exf4 Qd7 19. Re1 f6 20. Bf1 {½-½ (44) Alvebring,M-Krueger,H LSS email 2007}) 14... Nb4 {[%emt 0:03:24] The position is equal.} 15. Qb2 {[%emt 0:02:01]} f6 {[%emt 0:01:06]} 16. Nf3 {[%emt 0:03:04]} g5 {[%emt 0:10:39]} 17. Be3 {[%emt 0:07:02]} a5 {[%emt 0:01:05]} 18. a3 {[%emt 0:02:01]} Na6 {[%emt 0:04:53]} 19. Rac1 {[%emt 0:13:46]} Bd6 {[%emt 0:01:30]} 20. Nb5 {[%emt 0:15:18]} (20. Nxe4 $142 Rxe4 21. Rc2) 20... Bf8 $11 {[%emt 0:00:19]} 21. Bh3 {[%emt 0:06:32]} Qe7 {[%emt 0:01:41]} (21... c6 $5 22. Nc3 Nxc3 23. Rxc3 Nc7 $11) 22. a4 {[%emt 0:01:13]} (22. Bf5 $11) 22... c6 $17 {[%emt 0:01:38]} 23. Nc3 {[%emt 0:00:23]} Nd6 {[%emt 0:00:06]} 24. Re1 {[%emt 0:07:27]} Qg7 {[%emt 0:02:23] ...g4 is the strong threat.} 25. Bg2 {[%emt 0:06:25]} Nb4 {[%emt 0:01:48]} 26. Bd2 {[%emt 0:01:41]} Ne4 {[%emt 0:03:30]} ({Black should play} 26... Qg6 $17) 27. Rcd1 {[%emt 0:04:16]} (27. Nxe4 $11 dxe4 28. Bxb4 Bxb4 29. Nd2) 27... Ba6 {[%emt 0:02:48]} 28. Bf1 {[%emt 0:01:05]} Re6 {[%emt 0:01:52]} 29. Bc1 {[%emt 0:05:09]} ({Better is} 29. Nxe4 dxe4 30. d5 cxd5 31. Nd4) 29... Rae8 {[%emt 0:01:28]} 30. e3 {[%emt 0:01:00]} Bxf1 {[%emt 0:00:39] Black is much more active.} 31. Rxf1 {[%emt 0:00:33]} Qg6 {[%emt 0:00:49]} 32. Kg2 $2 {[%emt 0:01:57][%mdl 8192] [#] Loses the game.} (32. Ne1 $17 {is more resistant.}) 32... Nxc3 $1 $19 {[%emt 0:00:37]} 33. Qxc3 {[%emt 0:01:31]} Qe4 {[%emt 0:00:06] Threatens to win with ...g4.} 34. h3 {[%emt 0:01:28]} f5 {[%emt 0:01:08] White must now prevent ...g4.} 35. Kg1 {[%emt 0:01:34]} Qxf3 {[%emt 0:00:09]} 36. Rde1 {[%emt 0:00:46]} Rh6 {[%emt 0:00:10]} 37. Kh2 {[%emt 0:00:51] [#]} Rxh3+ $3 {[%emt 0:00:09][%mdl 512] Black mates.} 38. Kxh3 {[%emt 0:00:03]} Re6 {[%emt 0:00:03][%cal Re6h6]} 39. Kh2 {[%emt 0:00:03]} Rh6+ {[%emt 0:00:03] Weighted Error Value: White=0.89/Black=0.12 (very precise)} 0-1

[Event "13th Chennai Open 2022"]
[Site "Chennai"]
[Date "2022.06.22"]
[Round "5.7"]
[White "Murali Krishnan B T"]
[Black "Deepan Chakkravarthy J."]
[Result "1/2-1/2"]
[ECO "D76"]
[WhiteElo "2208"]
[BlackElo "2478"]
[Annotator "TA"]
[PlyCount "74"]
[EventDate "2022.06.19"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 18,74,26,8,18,-2,0,-7,0,-14,0,0,0,0,0,0,0,0,0,0,0,0,0,0,14,0,0,0,5,8,7,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 {[%emt 0:00:08]} Nf6 {[%emt 0:03:22]} 2. Nf3 {[%emt 0:01:17]} g6 {[%emt 0:00:13]} 3. c4 {[%emt 0:00:14]} Bg7 {[%emt 0:00:37]} 4. g3 {[%emt 0:00:15]} O-O {[%emt 0:01:53]} 5. Bg2 {[%emt 0:00:04]} d5 {[%emt 0:06:20]} 6. cxd5 {[%emt 0:05:34]} Nxd5 {[%emt 0:00:02]} 7. O-O {[%emt 0:00:13]} Nc6 {[%emt 0:00:02]} 8. Nc3 {[%emt 0:05:30]} Nb6 {[%emt 0:00:06]} 9. e3 {[%emt 0:00:51]} Re8 {[%emt 0:00:06]} 10. h3 {[%emt 0:08:42]} a5 {[%emt 0:01:49] The position is equal. D76: Fianchetto Grünfeld: Main Line with 7...Nb6.} 11. Na4 {[%emt 0:09:10]} (11. d5 $5 {[%cal Rd5c6]} Ne5 12. Nd4 $11) 11... Nxa4 {[%emt 0:10:48]} 12. Qxa4 {[%emt 0:00:18]} e5 {[%emt 0:20:20] [#]} 13. dxe5 $146 {[%emt 0:13:27]} ({Predecessor:} 13. Rd1 exd4 14. Nxd4 Nxd4 15. exd4 c6 16. d5 c5 17. Be3 b6 18. Qc2 Bf5 19. Qd2 {0-1 (50) Kuecher,W (2101)-Knoll,H (2341) St Johann im Pongau 2016}) 13... Nxe5 {[%emt 0:00:20]} 14. Nxe5 {[%emt 0:00:10]} Bxe5 {[%emt 0:00:28]} 15. Rd1 {[%emt 0:00:06]} Qe7 {[%emt 0:00:05]} 16. Bd2 {[%emt 0:09:04]} Bxb2 {[%emt 0:10:48] [#] White must now prevent ...Bd7.} 17. Rab1 {[%emt 0:00:17]} Be5 {[%emt 0:00:06]} ({Much less strong is} 17... Bd7 18. Qc2 Be5 19. Rxb7 $14) 18. Bxb7 {[%emt 0:00:17]} Bxb7 {[%emt 0:00:04]} 19. Rxb7 {[%emt 0:00:07]} Qe6 {[%emt 0:00:10]} 20. Kh2 {[%emt 0:09:05]} Qd5 {[%emt 0:02:01]} 21. Rbb1 {[%emt 0:05:58]} Qf3 {[%emt 0:00:06]} 22. Be1 {[%emt 0:00:30]} h5 {[%emt 0:00:49][%cal Oe5g3]} 23. Kg1 {[%emt 0:01:41]} Bd6 {[%emt 0:10:21]} 24. Qc4 {[%emt 0:05:04]} Rab8 {[%emt 0:16:57]} 25. h4 {[%emt 0:07:11]} Rb2 {[%emt 0:10:22]} 26. Rxb2 {[%emt 0:01:26]} Qxd1 {[%emt 0:00:02]} 27. Qe2 {[%emt 0:00:08]} Qxe2 {[%emt 0:03:22]} 28. Rxe2 $11 {[%emt 0:00:06][%mdl 4096] Endgame KRB-KRB} a4 {[%emt 0:00:03]} 29. Rb2 {[%emt 0:02:29][%cal Be2b2,Bb2b5,Bb5a5,Ba5a6][%mdl 32]} f5 {[%emt 0:00:36]} 30. Kf1 {[%emt 0:00:56]} Kf7 {[%emt 0:00:01]} 31. Ke2 {[%emt 0:00:15]} Ke6 {[%emt 0:00:06]} 32. Rb5 {[%emt 0:00:53]} Kd7 {[%emt 0:00:59]} 33. Kd3 {[%emt 0:01:40]} Kc6 {[%emt 0:00:12]} 34. Ra5 {[%emt 0:00:04]} a3 {[%emt 0:00:08]} 35. Ra6+ {[%emt 0:00:10]} Kb5 {[%emt 0:01:00]} 36. Ra5+ {[%emt 0:01:36]} Kb6 {[%emt 0:00:02]} 37. Ra4 {[%emt 0:00:15]} Kb5 {[%emt 0:01:55] A balanced but interesting game.  Weighted Error Value: White=0.02 (flawless) /Black=0.01 (flawless)} 1/2-1/2

[Event "13th Chennai Open 2022"]
[Site "Chennai"]
[Date "2022.06.22"]
[Round "5.8"]
[White "Pawar, Harshit"]
[Black "Ajay Karthikeyan"]
[Result "1/2-1/2"]
[ECO "B06"]
[WhiteElo "1961"]
[BlackElo "2436"]
[Annotator "TA"]
[PlyCount "94"]
[EventDate "2022.06.19"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 9,94,27,48,31,42,37,48,50,45,43,42,24,41,22,41,37,134,96,131,122,285,258,261,285,253,58,64,59,145,93,83,92,77,69,195,193,217,226,225,197,29967,281,1242,772,765,760,710,691,721,714,751,291,335,346,326,84,88,92,128,0,0,0,755,602,447,218,208,172,160,198,210,129,230,219,124,104,199,166,171,129,507,504,431,397,484,445,273]} 1. d4 {[%emt 0:00:30]} g6 {[%emt 0:00:30]} 2. e4 {[%emt 0:00:30]} Bg7 {[%emt 0:00:30]} 3. Nc3 {[%emt 0:00:30]} d6 {[%emt 0:00:30]} 4. Nf3 {[%emt 0:00:30]} a6 {[%emt 0:00:30]} 5. a4 {[%emt 0:00:30]} Bg4 {[%emt 0:00:30]} 6. Be2 {[%emt 0:00:30] B06: Modern Defence.} Nd7 {[%emt 0:00:30] has lost popularity (6...Nc6).} 7. Be3 {[%emt 0:00:30]} e5 {[%emt 0:00:30]} 8. h3 {[%emt 0:00:30] White is slightly better.} Bxf3 {[%emt 0:00:30]} 9. Bxf3 {[%emt 0:00:30]} Ne7 {[%emt 0:00:30]} 10. dxe5 {[%emt 0:00:30]} Nxe5 {[%emt 0:00:30] [#]} 11. Be2 $146 {[%emt 0:00:30]} ({Predecessor:} 11. O-O Nxf3+ 12. Qxf3 O-O 13. Rad1 Nc6 14. Qe2 f5 15. Qc4+ Kh8 16. exf5 Rxf5 17. Rd2 {½-½ (31) Lizak,J (1793)-Mroziak,M (2197) Polanica Zdroj 2012}) 11... O-O {[%emt 0:00:30]} 12. Qd2 {[%emt 0:00:30]} Kh8 {[%emt 0:00:30]} (12... Qc8 $14) 13. h4 {[%emt 0:00:30]} b5 {[%emt 0:00:30]} 14. h5 {[%emt 0:00:30]} (14. axb5 axb5 15. O-O b4 $14) 14... f5 $2 {[%emt 0:00:30]} (14... Qe8 $16) 15. Bg5 $18 {[%emt 0:00:30]} (15. axb5 axb5 16. Rxa8 Qxa8 $16) 15... Bf6 {[%emt 0:00:30]} 16. Bxf6+ {[%emt 0:00:30]} (16. axb5 axb5 17. Rxa8 Qxa8 $16) 16... Rxf6 {[%emt 0:00:30]} 17. Nd5 {[%emt 0:00:30]} (17. axb5 $6 axb5 18. Rxa8 Qxa8 $16) (17. f4 $18 Nd7 18. O-O-O (18. axb5 axb5 19. Rxa8 Qxa8 $16)) 17... Nxd5 $14 {[%emt 0:00:30]} 18. exd5 {[%emt 0:00:30]} g5 {[%emt 0:00:30]} (18... f4 $14) 19. axb5 {[%emt 0:00:30]} ({Better is} 19. Qxg5 Qe7 20. Qf4 (20. axb5 f4 $16)) 19... axb5 $16 {[%emt 0:00:30]} 20. Rxa8 {[%emt 0:00:30]} Qxa8 {[%emt 0:00:30]} 21. Qxg5 {[%emt 0:00:30]} Rf7 {[%emt 0:00:30]} (21... Rf8 $14) 22. h6 $18 {[%emt 0:00:30]} Qa5+ {[%emt 0:00:30]} 23. c3 {[%emt 0:00:30] White threatens Qd8+ and mate.} Qa1+ {[%emt 0:00:30]} 24. Bd1 {[%emt 0:00:30]} Ng6 $2 {[%emt 0:00:30]} (24... Qa8 $18 25. Bc2 f4) 25. O-O $2 {[%emt 0:00:30]} (25. Qd8+ {mates} Nf8 26. O-O Qc1 27. Bh5 Qxh6 28. Bxf7 f4 29. Re1 Kg7 30. Qxc7) 25... Qxb2 $2 {[%emt 0:00:30]} (25... Qa8 26. Bh5 Qe8) 26. Qd8+ {[%emt 0:00:30]} Rf8 {[%emt 0:00:30][%cal Bf7f8,Bf8g8,Bg8g7,Bg7a7][%mdl 32]} 27. Qxc7 {[%emt 0:00:30][%csl Gh6][%cal Rc7g7]} Rg8 {[%emt 0:00:30] Prevents Qg7+.} 28. Bh5 {[%emt 0:00:30]} Qd2 {[%emt 0:00:30]} 29. Bxg6 {[%emt 0:00:30]} hxg6 {[%emt 0:00:30][%mdl 4096] Endgame KQR-KQR} 30. h7 $2 {[%emt 0:00:30]} (30. Qxd6 {Strongly threatening Qe5+.} Qg5 31. Re1) 30... Rg7 {[%emt 0:00:30]} 31. Qxd6 {[%emt 0:00:30]} Qxc3 {[%emt 0:00:30]} 32. Qb8+ $2 {[%emt 0:00:30]} (32. Rd1 $18 {is more deadly. Black must now prevent Qd8+.} Kxh7 33. Qh2+ Kg8 34. Qb8+ Kh7 35. Qd8 (35. Qxb5 Re7 $16)) 32... Kxh7 $16 {[%emt 0:00:30]} 33. Qxb5 {[%emt 0:00:30]} (33. Rd1 {is more complex.} Qc2 34. Re1 Qd2 35. Qe5) 33... Ra7 {[%emt 0:00:30] Prevents Qa4.} 34. d6 {[%emt 0:00:30]} (34. Rd1 $16) 34... Qd4 $11 {[%emt 0:00:30]} 35. Qc6 {[%emt 0:00:30]} Qa4 $2 {[%emt 0:00:30][%mdl 8192]} (35... Ra2 $11) 36. Qd5 {[%emt 0:00:30]} Qe4 {[%emt 0:00:30]} 37. Qd2 {[%emt 0:00:30]} (37. Qxe4 $142 {[%cal Oe4e7] Qe7+! would kill now.} fxe4 38. Rd1) 37... Rd7 $18 {[%emt 0:00:30]} 38. Rd1 {[%emt 0:00:30] Threatens to win with Qc3.} Qe5 {[%emt 0:00:30] Inhibits Qc3.} 39. g3 {[%emt 0:00:30]} Kg7 {[%emt 0:00:30]} 40. Qc2 {[%emt 0:00:30]} Kf7 {[%emt 0:00:30] [#]} (40... g5 $16 41. Qc4 Kf6) 41. Qc6 $1 {[%emt 0:00:30]} Qe6 {[%emt 0:00:30]} 42. Rd4 {[%emt 0:00:30] White is more active.} Qe1+ {[%emt 0:00:30]} (42... g5 $16 {was necessary.} 43. Qf3 Kg6) 43. Kg2 {[%emt 0:00:30]} Qe6 {[%emt 0:00:30]} 44. Qc8 {[%emt 0:00:30] And now Rh4 would win.} Qe8 $2 {[%emt 0:00:30][%mdl 8192] [#]} (44... g5 $16 45. Qc3 g4) 45. Qxe8+ $1 {[%emt 0:00:30]} Kxe8 {[%emt 0:00:30]} 46. Kf3 {[%emt 0:00:30]} Kf7 {[%emt 0:00:30]} 47. Kf4 {[%emt 0:00:30] aiming for Ke5.} Kf6 {[%emt 0:00:30][%mdl 32768] Weighted Error Value: White=0.63/Black=0.82. An unexpected result.} 1/2-1/2

[Event "13th Chennai Open 2022"]
[Site "Chennai"]
[Date "2022.06.22"]
[Round "5.9"]
[White "Rajesh, V A V"]
[Black "Saravana, Krishnan P."]
[Result "1/2-1/2"]
[ECO "A01"]
[WhiteElo "2358"]
[BlackElo "2269"]
[Annotator "TA"]
[PlyCount "60"]
[EventDate "2022.06.19"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 9,60,11,17,-6,-10,-17,-13,-22,-16,-22,-3,-13,0,0,0,-6,-11,-12,0,-8,0,0,0,0,0,0,0,-4,0,0,0,0,0,0,0,0,0,-14,0,7,20,12,17,-29,-27,-16,54,37,60,70,57,28,15]} 1. b3 {[%emt 0:00:05]} d5 {[%emt 0:05:16]} 2. Bb2 {[%emt 0:00:06]} Bg4 {[%emt 0:00:31]} 3. h3 {[%emt 0:03:29]} Bh5 {[%emt 0:00:44]} 4. Nf3 {[%emt 0:02:04]} Bxf3 {[%emt 0:02:59]} 5. exf3 {[%emt 0:00:30]} Nf6 6. d4 {[%emt 0:00:12] A01: Nimzowitsch-Larsen Opening.} e6 {[%emt 0:02:41]} 7. Bd3 {[%emt 0:01:08]} c5 {[%emt 0:02:05]} 8. dxc5 {[%emt 0:01:46] The position is equal.} Bxc5 {[%emt 0:00:17] [#]} 9. O-O $146 {[%emt 0:00:05]} ({Predecessor:} 9. Nc3 O-O 10. Ne2 Ba3 11. Bxa3 Qa5+ 12. c3 Qxa3 13. Qd2 Nbd7 14. O-O Rac8 15. Qe3 {½-½ (36) Owens,J (2097)-Varkentin,W (1939) ICCF email 2016}) 9... O-O {[%emt 0:07:53]} 10. f4 {[%emt 0:11:52]} Nc6 {[%emt 0:02:19]} 11. Nd2 {[%emt 0:00:19][%cal Bb1d2,Bd2f3,Bf3d4][%mdl 32]} Bd4 {[%emt 0:00:47]} 12. Bxd4 {[%emt 0:10:46]} Nxd4 {[%emt 0:01:42]} 13. c3 {[%emt 0:00:06]} Nc6 {[%emt 0:03:10]} 14. Nf3 {[%emt 0:03:02]} Rc8 {[%emt 0:02:32]} 15. Re1 {[%emt 0:04:46]} Qa5 {[%emt 0:09:58]} 16. Qd2 {[%emt 0:06:04]} Rfd8 {[%emt 0:03:22]} 17. Qb2 {[%emt 0:02:06]} Ne7 {[%emt 0:11:31]} 18. Rac1 {[%emt 0:01:18]} a6 {[%emt 0:01:57]} 19. Nd4 {[%emt 0:04:52]} Qc7 {[%emt 0:02:47]} 20. g3 {[%emt 0:00:28]} Qd6 {[%emt 0:01:44]} 21. Qe2 {[%emt 0:02:05]} Nc6 {[%emt 0:06:24]} 22. Nf3 {[%emt 0:02:13]} Rc7 {[%emt 0:03:18]} 23. Qd2 {[%emt 0:08:31]} Qf8 {[%emt 0:04:32]} 24. f5 {[%emt 0:02:05]} Qd6 {[%emt 0:04:35]} 25. fxe6 {[%emt 0:05:54]} fxe6 {[%emt 0:00:07]} 26. Qg5 {[%emt 0:09:01] Against e5} (26. Rcd1 $142) 26... h6 $11 {[%emt 0:00:31]} 27. Qe3 {[%emt 0:00:45]} Re7 {[%emt 0:02:25]} (27... e5 $1 $11 28. Bf5 (28. Nxe5 Re8 $15) 28... e4) 28. Nd4 $14 {[%emt 0:03:51]} Nxd4 {[%emt 0:07:36]} 29. cxd4 {[%emt 0:00:06]} Nd7 {[%emt 0:00:20]} 30. Bb1 {[%emt 0:06:11]} e5 {[%emt 0:02:48] Weighted Error Value: White=0.06 (flawless) /Black=0.08 (flawless)} 1/2-1/2

[Event "13th Chennai Open 2022"]
[Site "Chennai"]
[Date "2022.06.22"]
[Round "5.10"]
[White "Laxman, R.R."]
[Black "Vignesh B"]
[Result "*"]
[WhiteElo "2420"]
[BlackElo "2072"]
[Annotator "TA"]
[PlyCount "29"]
[EventDate "2022.06.19"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 12,14,16,0,20]} 1. d4 {[%emt 0:00:03]} Nf6 {[%emt 0:00:06]} 2. Nf3 {[%emt 0:00:05]} e6 {[%emt 0:00:52]} 3. c4 {[%emt 0:00:08]} Bb4+ {[%emt 0:00:58]} 4. Bd2 {[%emt 0:00:07]} Bxd2+ {[%emt 0:00:37]} 5. Qxd2 {[%emt 0:00:50]} b6 {[%emt 0:00:33]} 6. Nc3 {[%emt 0:01:00]} Bb7 {[%emt 0:00:07]} 7. d5 {[%emt 0:03:24]} O-O {[%emt 0:02:24] [#] A rather calm draw. E11: Bogo-Indian.} {Predecessor:} 8. e4 $146 exd5 9. exd5 c6 10. Be2 cxd5 11. cxd5 Na6 12. O-O Nc7 13. d6 Ne6 14. Ne5 Rc8 15. h3 {1-0 (38) Ghaem Maghami,E (2525)-Toufighi,H (2436) Amol 2018} *

[Event "13th Chennai Open 2022"]
[Site "Chennai"]
[Date "2022.06.22"]
[Round "5.11"]
[White "Majumder Shrayan"]
[Black "Aronyak Ghosh"]
[Result "0-1"]
[ECO "D26"]
[WhiteElo "1741"]
[BlackElo "2494"]
[Annotator "TA"]
[PlyCount "72"]
[EventDate "2022.06.19"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 11,72,39,35,-3,-12,-16,-1,0,0,14,0,-2,0,-20,-18,-28,-37,-81,-82,-69,-80,-97,-93,-89,-89,-92,-98,-100,-89,-91,-81,-77,-75,-77,-25,-128,-118,-145,-143,-132,-145,-190,-191,-193,-180,-168,-171,-208,-202,-411,-374,-374,-277,-542,-460,-445,-333,-316,-323,-325,-318,-304,-304]} 1. d4 {[%emt 0:00:04]} d5 {[%emt 0:03:29]} 2. c4 {[%emt 0:00:13]} dxc4 {[%emt 0:00:19]} 3. e3 {[%emt 0:00:43]} Nf6 {[%emt 0:00:23]} 4. Bxc4 {[%emt 0:00:11]} e6 {[%emt 0:00:25]} 5. Nf3 {[%emt 0:00:39]} c5 {[%emt 0:00:09]} 6. O-O {[%emt 0:00:27]} Nc6 {[%emt 0:00:24]} 7. b3 {[%emt 0:03:23] D26: Queen's Gambit Accepted: 4 e3 e6 5 Bxc5 c5 sidelines.} cxd4 {[%emt 0:02:32]} 8. exd4 {[%emt 0:00:07]} Be7 {[%emt 0:02:31]} 9. Bb2 {[%emt 0:01:45] The position is equal.} O-O {[%emt 0:01:09] [#]} 10. Ne5 $146 {[%emt 0:01:50]} ({Predecessor:} 10. Nc3 a6 11. Re1 b5 12. Be2 Bb7 13. a4 b4 14. Nb1 Rc8 15. Nbd2 Nd5 16. Rc1 {1-0 (46) Beckmann,D (1999)-Bauland,T (1859) Germany 2017}) 10... Bd7 {[%emt 0:04:12]} 11. Nc3 {[%emt 0:03:04]} Be8 {[%emt 0:03:30]} 12. Ne2 {[%emt 0:05:16]} Qb6 {[%emt 0:07:51]} 13. Nf4 {[%emt 0:27:54]} Rd8 {[%emt 0:04:08]} 14. Qf3 {[%emt 0:08:41]} Nxd4 {[%emt 0:02:09]} 15. Qh3 {[%emt 0:00:07]} Bb5 {[%emt 0:11:32]} 16. Rad1 {[%emt 0:13:25]} Bc5 {[%emt 0:10:35]} 17. Bxb5 {[%emt 0:12:10]} Qxb5 {[%emt 0:02:48]} 18. Ng4 {[%emt 0:09:07]} Nxg4 {[%emt 0:04:56]} (18... Ne2+ $2 19. Nxe2 Bxf2+ 20. Nxf2 $18 (20. Kxf2 Qf5+ 21. Kg1 Qxg4 $18)) 19. Qxg4 {[%emt 0:00:07]} f5 {[%emt 0:00:12]} 20. Qg5 {[%emt 0:03:50]} h6 {[%emt 0:03:38]} 21. Qg3 {[%emt 0:00:37]} Qb6 {[%emt 0:00:49]} (21... e5 $6 22. Bxd4 Rxd4 23. Ne6 $11 (23. Rxd4 Bxd4 24. Ne6 Rf7 $17)) 22. Rde1 {[%emt 0:02:15]} Rde8 {[%emt 0:04:03]} ({Reject} 22... Bd6 23. Qxg7+ Kxg7 24. Bxd4+ Qxd4 25. Nxe6+ Kf6 26. Nxd4 $11) (22... Rf6 $17) 23. Nh5 {[%emt 0:01:11]} (23. Qg6 $11) 23... Rf7 $17 {[%emt 0:00:59][%cal Oe6e5]} 24. Qe5 {[%emt 0:01:54] And now Rc1 would win.} Nc6 {[%emt 0:01:45][%cal Bd4c6,Bc6b4,Bb4a2][%mdl 32]} 25. Qg3 {[%emt 0:00:46][%cal Rh5g7]} Bd4 {[%emt 0:00:25]} 26. Bc1 {[%emt 0:00:14] [#]} Kh7 $1 {[%emt 0:01:59]} 27. Nf4 {[%emt 0:00:29] [#]} e5 $1 {[%emt 0:01:20] Active counter play!} ({Inferior is} 27... Ne5 28. Be3 $15) 28. Qg6+ {[%emt 0:00:32]} Kg8 {[%emt 0:00:05]} 29. Nh5 {[%emt 0:02:58][%cal Oh5g7] Hoping for Nxg7!} Nb4 {[%emt 0:01:03][%csl LRa2,LRg6]} 30. Qg3 {[%emt 0:00:23]} (30. Qxb6 {keeps fighting.} axb6 31. Be3) 30... Kh7 {[%emt 0:00:40]} 31. Qh3 {[%emt 0:00:36]} Nxa2 {[%emt 0:03:02]} 32. Ba3 {[%emt 0:00:41]} (32. Be3) 32... Nc3 {[%emt 0:02:49]} 33. Ng3 {[%emt 0:00:16]} Qxb3 {[%emt 0:01:23]} 34. Nxf5 {[%emt 0:00:49] Black has a decisive advantage.} Ne2+ {[%emt 0:00:23]} ({But not} 34... Qxa3 $2 35. Nxd4 Qb2 36. Nf3 $19) 35. Rxe2 {[%emt 0:00:11]} Qxh3 {[%emt 0:00:04][%mdl 64] Remove Defender. Dancing on a razor blade.} 36. gxh3 {[%emt 0:00:06]} Rxf5 {[%emt 0:00:02] Weighted Error Value: White=0.31/Black=0.13 (very precise)} 0-1

[Event "13th Chennai Open 2022"]
[Site "Chennai"]
[Date "2022.06.22"]
[Round "5.12"]
[White "Nguyen, Duc Hoa"]
[Black "Jani Kushal R"]
[Result "1-0"]
[ECO "A64"]
[WhiteElo "2398"]
[BlackElo "1800"]
[Annotator "TA"]
[PlyCount "81"]
[EventDate "2022.06.19"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 23,81,0,0,-2,62,77,80,68,74,80,77,62,77,72,79,68,153,125,203,212,200,196,159,129,267,291,280,274,330,356,397,385,461,402,422,418,370,219,216,200,398,412,395,379,422,425,564,545,585,579,585,589,634,612,815,810,1067,1062,949,922]} 1. d4 {[%emt 0:00:03]} Nf6 {[%emt 0:00:24]} 2. c4 {[%emt 0:00:05]} g6 {[%emt 0:00:06]} 3. Nc3 {[%emt 0:00:10]} Bg7 {[%emt 0:00:05]} 4. Nf3 {[%emt 0:00:43]} O-O {[%emt 0:00:08]} 5. g3 {[%emt 0:00:03]} d6 {[%emt 0:00:15]} 6. Bg2 {[%emt 0:00:04]} c5 {[%emt 0:00:32]} 7. d5 {[%emt 0:03:46]} e6 {[%emt 0:01:31]} 8. O-O {[%emt 0:00:09]} exd5 {[%emt 0:00:04]} 9. cxd5 {[%emt 0:00:08]} Re8 {[%emt 0:01:11]} 10. Nd2 {[%emt 0:01:10]} a6 {[%emt 0:00:55]} 11. a4 {[%emt 0:00:07][%cal Ba2a4,Ba4a5][%mdl 32]} Nbd7 {[%emt 0:00:32]} 12. h3 {[%emt 0:01:49]} Rb8 {[%emt 0:03:55]} 13. Nc4 {[%emt 0:00:36] A64: Modern Benoni: Fianchetto Variation: 9...Nbd7 10 Nd2 a6 11 a4 Re8.} Qc7 {[%emt 0:02:26]} (13... Ne5 $11 14. Na3 b5 15. axb5 axb5 16. Naxb5 Qb6) 14. Bf4 $14 {[%emt 0:01:33] [#]} Ne5 $146 {[%emt 0:00:49]} ({Predecessor:} 14... Bf8 15. Na3 Ne5 16. Bd2 Bg7 17. f4 Ned7 18. e4 c4 19. Be3 Nxe4 20. Nxe4 f5 {0-1 (41) Stupak,K (2520)-Gumularz,S (2513) Chess.com INT 2020}) 15. Bxe5 {[%emt 0:00:32] White is better.} dxe5 {[%emt 0:00:10] [#]} 16. a5 $1 {[%emt 0:01:03]} e4 {[%emt 0:01:40]} 17. Qb3 {[%emt 0:09:28]} Bd7 {[%emt 0:12:11][%cal Oe4e3]} 18. Rfd1 {[%emt 0:05:16]} h5 {[%emt 0:06:53]} 19. e3 {[%emt 0:05:07]} h4 {[%emt 0:03:38] [#]} (19... Rbd8 $14) 20. g4 $1 $16 {[%emt 0:01:24]} (20. gxh4 $6 Bf5 $14) 20... Nxg4 {[%emt 0:07:15]} 21. hxg4 {[%emt 0:04:44]} Bxg4 {[%emt 0:00:11]} 22. d6 {[%emt 0:00:17]} (22. Nxe4 $6 h3 $14) 22... Qd8 {[%emt 0:03:11]} 23. d7 {[%emt 0:01:43]} (23. Nxe4 h3 24. d7 Re7) 23... Rf8 {[%emt 0:01:39] Black cannot hold the game after this.} (23... Re7 $16) 24. Nxe4 $18 {[%emt 0:00:46]} h3 {[%emt 0:02:35] [#]} 25. Bh1 {[%emt 0:00:32]} Qh4 {[%emt 0:01:33] [#]} (25... Qe7 26. Nb6) 26. Kh2 $1 {[%emt 0:13:07]} Be6 {[%emt 0:05:38]} (26... Qe7 27. Qb6) 27. f4 {[%emt 0:06:55]} Rfd8 {[%emt 0:05:18]} 28. Qc2 {[%emt 0:05:33]} Rxd7 {[%emt 0:04:11]} 29. Rxd7 {[%emt 0:00:41]} Bxd7 {[%emt 0:00:06]} 30. Qf2 {[%emt 0:00:53]} (30. Ng5 $142) 30... Qxf2+ {[%emt 0:01:33]} 31. Nxf2 {[%emt 0:00:48] Pair of Knights!} Re8 $2 {[%emt 0:03:26]} (31... Be6) 32. Bxb7 {[%emt 0:01:59]} Bb5 {[%emt 0:01:28]} 33. Nd6 {[%emt 0:01:08]} Rb8 {[%emt 0:00:37]} 34. Bd5 {[%emt 0:00:56] White is clearly winning.} Rd8 {[%emt 0:02:35]} 35. Bxf7+ {[%emt 0:00:31]} Kf8 {[%emt 0:00:19]} 36. Nfe4 {[%emt 0:00:39]} Bd3 {[%emt 0:01:09]} 37. Bc4 {[%emt 0:00:31]} Bxb2 {[%emt 0:01:00]} 38. Ra2 {[%emt 0:00:40]} Bxc4 {[%emt 0:00:42]} 39. Nxc4 {[%emt 0:00:12]} Bc1 {[%emt 0:00:30]} 40. Rc2 {[%emt 0:00:20]} Rd1 {[%emt 0:00:07]} 41. Nxc5 {[%emt 0:00:35] Weighted Error Value: White=0.11 (very precise) /Black=0.46} 1-0

[Event "13th Chennai Open 2022"]
[Site "Chennai"]
[Date "2022.06.22"]
[Round "5.13"]
[White "Nawin M S"]
[Black "Harsh Suresh"]
[Result "0-1"]
[ECO "B06"]
[WhiteElo "1714"]
[BlackElo "2392"]
[Annotator "TA"]
[PlyCount "142"]
[EventDate "2022.06.19"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 9,141,68,62,41,32,10,12,-13,-13,-13,-13,-13,-13,-20,-13,-13,-13,-11,-6,-7,-4,-20,-18,-25,-7,-7,-7,-9,-18,-23,-22,-20,-16,-22,-18,-18,-11,-12,0,0,0,-67,-33,-32,-41,-47,-41,-41,0,0,0,0,31,0,0,0,15,14,21,0,0,0,0,0,0,0,0,-10,0,-189,-166,-160,-148,-170,-180,-140,-171,-151,0,0,0,0,0,-50,-33,-504,-445,-1279,-1316,-1239,-1143,-1995,-1885,-2438,-2201,-29979,-29982,-29982,-29983,-29983,-29984,-29984,-29985,-29985,-29986,-29986,-29987,-29987,-29988,-29988,-29989,-29989,-29990,-29990,-29991,-29992,-29993,-29993,-29994,-29994,-29995,-29997,-29997,-29997,-29998,-29998,-29995,-29995,-29996,-29996,-29997,-29998,-29999,-29999]} 1. e4 {[%emt 0:00:10]} g6 {[%emt 0:00:01]} 2. d4 {[%emt 0:02:07]} Nf6 {[%emt 0:00:02]} 3. Nc3 {[%emt 0:01:20]} d5 {[%emt 0:00:09]} 4. e5 {[%emt 0:10:50]} Ne4 {[%emt 0:00:02]} 5. Nxe4 {[%emt 0:02:43]} dxe4 {[%emt 0:00:02]} 6. Be3 {[%emt 0:01:46] B06: Modern Defence.} Bg7 {[%emt 0:01:43][%cal Oc7c5]} 7. Ne2 {[%emt 0:01:37] [#]} O-O $146 {[%emt 0:01:00][%cal Oc7c5]} ({Predecessor:} 7... c5 8. dxc5 Qa5+ 9. c3 Bxe5 10. b4 Qc7 11. Nd4 O-O 12. Bc4 Nc6 13. Qc2 Bxd4 14. Bxd4 {1-0 (65) Ter Sahakyan,S (2640)-Indjic,A (2607) Chess.com INT 2021}) 8. Nc3 {[%emt 0:08:43] The position is equal.} c5 $1 {[%emt 0:00:11]} 9. Nxe4 {[%emt 0:05:00]} cxd4 {[%emt 0:00:02]} 10. Qxd4 {[%emt 0:00:58]} Qxd4 {[%emt 0:01:32]} 11. Bxd4 {[%emt 0:00:02]} Nc6 {[%emt 0:00:01][%csl LRd4,LRe5]} 12. Bc3 {[%emt 0:00:57]} Nxe5 {[%emt 0:07:29]} 13. O-O-O {[%emt 0:08:08]} Bf5 {[%emt 0:01:33]} 14. Ng3 {[%emt 0:04:37]} Be6 {[%emt 0:00:03]} 15. Be2 {[%emt 0:04:44]} Rac8 {[%emt 0:38:50]} 16. f4 {[%emt 0:04:33]} Ng4 {[%emt 0:02:02]} 17. Bxg4 {[%emt 0:03:47]} Bxg4 {[%emt 0:00:19]} 18. Bxg7 {[%emt 0:00:06]} Kxg7 {[%emt 0:00:10]} 19. Rde1 {[%emt 0:03:21]} Rc7 {[%emt 0:00:47]} 20. Rhf1 {[%emt 0:03:16]} Rfc8 {[%emt 0:02:12]} 21. c3 {[%emt 0:00:57]} Be6 {[%emt 0:11:37]} 22. a3 {[%emt 0:01:11]} Bd5 {[%emt 0:00:18]} 23. Rf2 {[%emt 0:03:16]} e6 {[%emt 0:00:54]} 24. Rd1 {[%emt 0:01:29]} h5 {[%emt 0:01:45][%cal Bh7h5,Bh5h4][%mdl 32]} 25. f5 {[%emt 0:06:54]} (25. Nf1 $11) 25... h4 {[%emt 0:01:33]} ({But not} 25... gxf5 {[#]} 26. Nxf5+ $1 Kg6 27. Rd3 $11) 26. f6+ {[%emt 0:00:18]} Kh6 {[%emt 0:05:22]} 27. Nf1 {[%emt 0:00:59]} Kg5 {[%emt 0:08:41]} 28. Re1 {[%emt 0:07:35]} Rc4 {[%emt 0:16:10]} 29. Re5+ {[%emt 0:01:10]} Kh6 {[%emt 0:00:00]} 30. Ne3 {[%emt 0:00:53]} Re4 {[%emt 0:00:00]} (30... Rd4 $5) 31. Rxe4 {[%emt 0:01:30]} (31. g3 {feels hotter.} Rc5 32. Rxe4 Bxe4 33. Rf4) 31... Bxe4 $14 {[%emt 0:00:00][%mdl 4096] Endgame KRB-KRN} 32. Rf4 {[%emt 0:00:19][%csl LRe4,LRh4]} Bf5 {[%emt 0:00:00]} 33. Rxh4+ {[%emt 0:03:12]} Kg5 {[%emt 0:00:00]} 34. Rd4 {[%emt 0:01:38]} Kxf6 {[%emt 0:00:00]} 35. g4 {[%emt 0:01:51]} e5 {[%emt 0:00:00]} 36. Rb4 {[%emt 0:00:24]} Be6 {[%emt 0:00:00]} 37. Rxb7 {[%emt 0:00:30]} Rh8 {[%emt 0:00:00]} 38. Rxa7 {[%emt 0:02:32]} Rxh2 {[%emt 0:00:00] And now ...Re2 would win.} 39. Rb7 $2 {[%emt 0:01:38]} (39. Ra4 $11 {and White is okay.}) 39... Re2 $19 {[%emt 0:00:00][%mdl 64] [#] Deflection} 40. Nc2 {[%emt 0:00:22]} Bxg4 {[%emt 0:00:00] Black is more active.} 41. a4 {[%emt 0:00:25]} Bf3 {[%emt 0:00:00]} 42. Rd7 {[%emt 0:01:17]} Rh2 {[%emt 0:00:00] aiming for ...Rh1+.} 43. Ne3 {[%emt 0:00:38]} g5 $2 {[%emt 0:00:00]} ({Black should try} 43... Ke6 $17 44. Ra7 Re2 45. Ra6+ Ke7 46. Ra7+ Kf6 47. Ra6+ Kg5) 44. Rd6+ $11 {[%emt 0:01:08]} Kg7 {[%emt 0:01:34]} 45. a5 {[%emt 0:00:53]} Rh1+ {[%emt 0:02:19]} 46. Kc2 {[%emt 0:00:18]} (46. Kd2 $1 $11) 46... g4 {[%emt 0:00:55][%cal Bg5g4,Bg4g3][%mdl 32] Hoping for ...Be4+.} 47. b4 $2 {[%emt 0:00:39][%mdl 8192] This move loses the game for White.} (47. Nf5+ $15 Kh7 48. Rf6) 47... Be4+ $19 {[%emt 0:00:19]} 48. Kb2 {[%emt 0:00:48]} (48. Kd2 $142 g3 49. Rd7) 48... g3 {[%emt 0:00:10] Threatens to win with ...Re1.} 49. Rd2 {[%emt 0:00:28]} f5 {[%emt 0:00:58][%cal Bf7f5,Bf5f4][%mdl 32]} 50. a6 {[%emt 0:00:51]} f4 {[%emt 0:00:30]} 51. Ng4 {[%emt 0:00:32]} f3 {[%emt 0:02:07]} 52. Ne3 {[%emt 0:00:37]} g2 {[%emt 0:01:06] Black mates.} 53. Nxg2 {[%emt 0:00:18]} fxg2 {[%emt 0:00:02]} 54. Rxg2+ {[%emt 0:00:30]} Bxg2 {[%emt 0:00:02]} 55. c4 {[%emt 0:00:12]} Bf1 {[%emt 0:01:04]} 56. a7 {[%emt 0:00:25]} Rh8 {[%emt 0:02:54]} 57. b5 {[%emt 0:00:19]} Bxc4 {[%emt 0:00:00]} 58. b6 {[%emt 0:00:02]} Bd5 {[%emt 0:00:00]} 59. Kc3 {[%emt 0:00:05]} Kf6 {[%emt 0:00:00]} 60. Kd2 {[%emt 0:00:05]} e4 {[%emt 0:00:00]} 61. Ke3 {[%emt 0:00:03]} Ke5 {[%emt 0:00:00]} 62. Ke2 {[%emt 0:00:05]} Kd4 {[%emt 0:00:00]} 63. b7 {[%emt 0:00:11]} Bxb7 {[%emt 0:00:00]} 64. a8=Q {[%emt 0:00:07]} Rxa8 {[%emt 0:00:00]} 65. Ke1 {[%emt 0:00:02]} Ra2 {[%emt 0:00:00]} 66. Kf1 {[%emt 0:00:05]} e3 {[%emt 0:00:00]} 67. Kg1 {[%emt 0:00:02]} Ra1+ {[%emt 0:00:00]} 68. Kh2 {[%emt 0:00:04]} e2 {[%emt 0:00:00]} 69. Kh3 {[%emt 0:00:03]} Rg1 {[%emt 0:00:00]} 70. Kh2 {[%emt 0:00:06]} e1=Q {[%emt 0:00:00][%csl Gg1][%cal Re1g3]} 71. Kh3 {[%emt 0:00:04]} Qg3# {[%emt 0:00:00] Weighted Error Value: White=0.59/Black=0.07 (flawless)} 0-1

[Event "13th Chennai Open 2022"]
[Site "Chennai"]
[Date "2022.06.22"]
[Round "5.14"]
[White "Gusain, Himal"]
[Black "Patil Priyanshu"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "2396"]
[BlackElo "1796"]
[Annotator "TA"]
[PlyCount "95"]
[EventDate "2022.06.19"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 11,95,0,0,-21,31,-12,-21,-18,-12,-27,-37,-23,27,-43,0,-41,-18,-22,-28,-33,0,-47,-25,-52,-52,-82,-56,-83,0,-73,-36,-42,-42,-39,-35,-41,-36,-53,-37,-79,-78,-72,-75,-206,-182,-250,-100,-127,-121,-130,152,124,183,183,183,183,175,182,379,360,531,525,520,518,480,374,341,354,585,574,560,400,620,471,1396,2379,4910,1864,29988,29988,29987,29988,29988,29989,29989,29990]} 1. d4 {[%emt 0:05:49]} Nf6 {[%emt 0:00:02]} 2. Nc3 {[%emt 0:00:05]} d5 {[%emt 0:00:16]} 3. Bf4 {[%emt 0:00:05]} g6 {[%emt 0:00:07]} 4. e3 {[%emt 0:01:44]} Bg7 {[%emt 0:00:02]} 5. Nf3 {[%emt 0:00:05]} O-O {[%emt 0:00:33]} 6. h3 {[%emt 0:00:03]} c5 {[%emt 0:06:18]} 7. Nb5 {[%emt 0:00:48] Strongly threatening Nc7. D00: 1 d4 d5: Unusual lines.} Na6 {[%emt 0:00:22] [#] Prevents Nc7.} (7... cxd4 $11 8. Bc7 (8. Qxd4 Ne4 $17) 8... Qd7) 8. Be5 $146 {[%emt 0:04:50]} ({Predecessor:} 8. a4 Bf5 9. c3 Nd7 10. Be2 Re8 11. O-O e5 12. Bh2 Qb6 13. dxe5 Be4 14. a5 Qc6 15. Nd6 Bxf3 16. Bxf3 Rxe5 17. Nxf7 Rf5 18. Ne5 {1-0 (18) Indjic,A (2604)-Puranik,A (2548) Kazan 2019}) 8... Ne4 {[%emt 0:12:14]} 9. Bxg7 {[%emt 0:01:43] The position is equal.} Kxg7 {[%emt 0:01:55]} 10. c3 {[%emt 0:00:32]} c4 {[%emt 0:05:26]} 11. Nd2 {[%emt 0:22:46]} f5 {[%emt 0:17:14]} (11... Nxd2 $142 12. Qxd2 Qb6) 12. Na3 {[%emt 0:02:25]} (12. b3 $11) 12... b5 {[%emt 0:11:10]} 13. Nc2 {[%emt 0:03:28] Prevents b4.} Rb8 {[%emt 0:04:04]} 14. a3 {[%emt 0:00:18] Against b4} Rb6 {[%emt 0:00:29]} 15. Be2 {[%emt 0:00:37]} Nc7 {[%emt 0:07:31]} 16. h4 {[%emt 0:03:36]} (16. Nf3 $11) 16... a5 {[%emt 0:04:36]} 17. f4 {[%emt 0:01:43]} Qd6 {[%emt 0:04:58]} 18. Bf3 {[%emt 0:03:58]} Qe6 {[%emt 0:03:37]} 19. h5 {[%emt 0:05:58]} Rd8 {[%emt 0:04:42]} ({Black should try} 19... g5 $17 20. h6+ Kh8 21. Bxe4 fxe4) 20. Bxe4 {[%emt 0:03:59]} (20. Be2 $11 {keeps the balance.}) 20... dxe4 {[%emt 0:00:21]} 21. Qe2 {[%emt 0:00:08]} Nd5 {[%emt 0:05:45]} 22. Qf2 {[%emt 0:00:46]} (22. a4 b4 23. Qf2 bxc3 24. bxc3 g5 25. Nxc4 Nxf4 $1 $17 {[%mdl 512]}) 22... Nf6 {[%emt 0:01:34]} 23. hxg6 {[%emt 0:00:24]} hxg6 {[%emt 0:00:28]} 24. Qg3 {[%emt 0:01:04]} Bd7 {[%emt 0:01:53]} 25. Qh4 {[%emt 0:03:45]} Rbb8 {[%emt 0:01:40] And now ...Rh8 would win.} 26. Qh6+ {[%emt 0:01:00]} Kf7 {[%emt 0:00:02]} 27. O-O-O {[%emt 0:02:09]} (27. Qh4 $17 {was necessary.}) 27... Rg8 {[%emt 0:01:24][%cal Ob5b4]} 28. Qg5 {[%emt 0:01:11]} (28. Qh2 $142) 28... Rg7 {[%emt 0:01:16]} (28... b4 $19 {is more deadly.} 29. axb4 Ba4 30. bxa5 Qc6) 29. d5 {[%emt 0:00:51]} Nxd5 {[%emt 0:01:14]} (29... Qxd5 30. Nf3 $1 {[%mdl 512]} Qxd1+ 31. Kxd1 $18) 30. Nd4 {[%emt 0:00:11] [#]} Qf6 {[%emt 0:00:36][%mdl 8192]} (30... Qd6 31. N2f3 exf3 32. Nxf3 $15) (30... Qb6 $1 $17 {and life is bright.} 31. Rh3 (31. Nxe4 $2 b4 $17) 31... Nf6) 31. Nxe4 $1 $16 {[%emt 0:00:12][%cal Bd2e4,Be4g5,Bg5h7][%mdl 96] Pin. White leaves nothing to chance now.} Qxg5 {[%emt 0:01:38]} (31... Qb6 $16) 32. Nxg5+ $18 {[%emt 0:00:07]} Kf6 {[%emt 0:01:00]} 33. Nh7+ {[%emt 0:10:14] Pair of Knights!} ({Resist} 33. Nxf5 Nxf4 34. exf4 (34. Rxd7 Nd3+ 35. Rxd3 gxf5 $11) 34... Bxf5 $16) 33... Kf7 {[%emt 0:00:52] [#]} 34. Nxf5 {[%emt 0:00:27]} Bxf5 {[%emt 0:01:18]} (34... Nxf4 35. Rxd7 (35. Ng5+ Kf6 $16) 35... Ne2+ 36. Kd2 gxf5) 35. Rxd5 {[%emt 0:00:11]} b4 {[%emt 0:00:33]} (35... Kg8 $142) 36. Ng5+ {[%emt 0:00:30]} Kg8 {[%emt 0:00:30]} 37. e4 {[%emt 0:01:09]} Bg4 {[%emt 0:00:06]} 38. Rxa5 {[%emt 0:04:33]} bxc3 {[%emt 0:00:19]} 39. bxc3 {[%emt 0:00:06]} e6 $2 {[%emt 0:00:23]} (39... e5 {was worth a try.}) 40. Rh4 {[%emt 0:01:02]} Be2 {[%emt 0:00:28]} 41. Nxe6 {[%emt 0:02:32]} Rgb7 {[%emt 0:00:30]} (41... Re7 $142 42. Ra6 Bd3) 42. Kd2 {[%emt 0:00:20]} Rd7+ {[%emt 0:00:52]} (42... Bd3 $142 43. Nc5 Rc7 44. Nxd3 cxd3) 43. Kxe2 {[%emt 0:03:37] Rh6 is the strong threat.} Rb2+ {[%emt 0:00:02]} 44. Ke1 {[%emt 0:00:06] White wants to mate with Ra8+.} Rdd2 {[%emt 0:00:55]} 45. Ra8+ {[%emt 0:00:41] White mates.} Kf7 {[%emt 0:00:02]} 46. Ng5+ {[%emt 0:00:16]} Ke7 {[%emt 0:01:05]} 47. Rh7+ {[%emt 0:00:06]} Kd6 {[%emt 0:00:07]} 48. Rd8+ {[%emt 0:01:12] Weighted Error Value: White=0.31/Black=0.65} 1-0

[Event "13th Chennai Open 2022"]
[Site "Chennai"]
[Date "2022.06.22"]
[Round "5.15"]
[White "Mithun Anand V"]
[Black "Girinath, P.D.S."]
[Result "1-0"]
[ECO "C01"]
[WhiteElo "1672"]
[BlackElo "2361"]
[Annotator "TA"]
[PlyCount "79"]
[EventDate "2022.06.19"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 14,79,21,21,20,25,18,15,24,33,29,33,42,35,39,4,16,0,0,0,0,-29,55,54,54,73,57,34,23,31,25,30,27,28,28,27,47,14,15,18,44,20,60,70,166,202,416,415,463,238,238,243,223,232,475,469,887,865,29991,29992,29992,2052,1795,1669,29997,29998,29998,29999]} 1. e4 {[%emt 0:00:02]} e6 {[%emt 0:01:19]} 2. d4 {[%emt 0:00:02]} d5 {[%emt 0:00:18]} 3. exd5 {[%emt 0:00:02]} exd5 {[%emt 0:00:09]} 4. Nf3 {[%emt 0:00:07]} Nf6 {[%emt 0:01:20]} 5. Bd3 {[%emt 0:00:03]} c5 {[%emt 0:00:31][%cal Bc7c5,Bc5c4][%mdl 32]} 6. O-O {[%emt 0:00:04]} c4 {[%emt 0:00:51]} 7. Re1+ {[%emt 0:00:03]} Be7 {[%emt 0:00:08]} 8. Bf1 {[%emt 0:00:04]} O-O {[%emt 0:00:26] C01: French: Exchange Variation.} 9. b3 {[%emt 0:00:02]} cxb3 {[%emt 0:00:23]} 10. axb3 {[%emt 0:00:02]} Bg4 {[%emt 0:05:00] The position is equal.} 11. h3 {[%emt 0:01:11] [#]} Bxf3 $146 {[%emt 0:01:21]} ({Predecessor:} 11... Bh5 12. Rxe7 Qxe7 13. Ba3 Qe4 14. Bxf8 Bxf3 15. Qxf3 Qxf3 16. gxf3 Kxf8 17. Bb5 Nbd7 18. c4 {½-½ (18) Bernadskiy,V (2588)-Razin,V (2379) Lutsk 2018}) 12. Qxf3 {[%emt 0:00:14]} Nc6 {[%emt 0:00:08]} 13. Rd1 {[%emt 0:20:15]} Re8 {[%emt 0:24:27]} 14. Na3 {[%emt 0:14:13]} Ne4 {[%emt 0:15:36]} 15. Bb2 {[%emt 0:11:56]} Bg5 {[%emt 0:11:27]} 16. Bd3 {[%emt 0:13:52]} Nb4 {[%emt 0:07:26]} 17. Nc4 {[%emt 0:09:29]} Bh4 {[%emt 0:15:06]} (17... a5 $11) 18. Bxe4 $14 {[%emt 0:11:24]} Rxe4 {[%emt 0:02:16]} 19. c3 {[%emt 0:02:02]} Nc6 {[%emt 0:06:06]} 20. Nd2 {[%emt 0:01:29]} Re6 {[%emt 0:00:51]} 21. g3 {[%emt 0:00:48]} Bg5 {[%emt 0:01:05]} 22. Nf1 {[%emt 0:01:15]} Na5 {[%emt 0:02:49]} 23. h4 {[%emt 0:01:50]} Bh6 {[%emt 0:00:12]} 24. Ra3 {[%emt 0:07:14]} Rc8 {[%emt 0:01:43]} 25. Nh2 {[%emt 0:00:43][%cal Oc3c4]} (25. Qh5 $5 {[%cal Rc3c4]}) 25... g6 $1 {[%emt 0:00:34]} 26. c4 $36 {[%emt 0:01:58][%mdl 2048] White fights for an advantage.} Bf8 $1 {[%emt 0:00:29]} 27. Ra4 {[%emt 0:01:29]} b5 {[%emt 0:01:13]} 28. cxb5 {[%emt 0:01:35]} (28. cxd5 $2 Rf6 29. Qe4 bxa4 $19) 28... Rc2 {[%emt 0:00:29]} ({Better is} 28... Rb8 $14) 29. Bc1 $18 {[%emt 0:00:30] Ng4 is the strong threat.} ({Don't take} 29. Bc3 Nxb3 30. Ng4 (30. Rxa7 Rf6 $11) 30... Qb6 $16) 29... Ree2 $2 {[%emt 0:00:38]} (29... Nb7 30. Ng4 (30. Rxa7 Qb8 $16) 30... Nd6 31. Qxd5 h5) 30. Be3 {[%emt 0:00:20]} f5 {[%emt 0:00:30]} 31. Rxa5 {[%emt 0:00:54]} Qxa5 {[%emt 0:00:06]} 32. Qxd5+ {[%emt 0:00:03]} Kg7 {[%emt 0:00:51] [#]} 33. Qe5+ {[%emt 0:00:52]} Kf7 $2 {[%emt 0:00:19]} (33... Kg8 34. Qe6+ Kg7) 34. Nf3 {[%emt 0:00:24] White threatens Ng5+ and mate.} ({Not} 34. Qd5+ Kg7 $16) 34... Be7 {[%emt 0:00:45]} (34... Rxe3 $142 35. Qxe3 Qxb5 36. Ng5+ Kg7) 35. Qd5+ {[%emt 0:00:19]} Ke8 {[%emt 0:00:14]} 36. Ne5 {[%emt 0:00:23]} Re1+ {[%emt 0:00:45]} 37. Rxe1 {[%emt 0:00:37]} (37. Kg2 $142 Rxf2+ 38. Kxf2 Re2+ 39. Kxe2 Qa2+ 40. Rd2 Qxd2+ 41. Bxd2 f4 42. Qg8+ Bf8 43. Qf7+ Kd8 44. Qd7#) 37... Qxe1+ {[%emt 0:00:06]} 38. Kg2 {[%emt 0:00:04] [#] Threatening mate with Qg8+.} ({Weaker is} 38. Kh2 Rxf2+ 39. Bxf2 Qxf2+ 40. Qg2 Qxd4 41. Qc6+ Kf8 $11) 38... Rc7 {[%emt 0:00:40]} 39. Qf7+ {[%emt 0:00:11]} Kd8 {[%emt 0:00:05]} 40. Qg8+ {[%emt 0:00:10] Weighted Error Value: White=0.12 (very precise) /Black=0.70} 1-0

[Event "13th Chennai Open 2022"]
[Site "Chennai"]
[Date "2022.06.22"]
[Round "5.16"]
[White "Karthikeyan, P.."]
[Black "Ayyappan P Santhana Prabu"]
[Result "1-0"]
[ECO "B31"]
[WhiteElo "2361"]
[BlackElo "1761"]
[Annotator "TA"]
[PlyCount "87"]
[EventDate "2022.06.19"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 12,87,13,16,25,25,30,28,35,32,30,35,38,35,69,45,55,56,47,61,102,79,85,45,60,41,48,50,50,51,52,47,116,131,190,196,140,126,197,68,113,111,111,96,141,128,185,181,175,175,212,205,1723,1689,1664,1667,1638,1560,29984,29982,29982,29983,29988,940,29989,29990,29990,29991,29991,29992,29993,29991,29991,29992,29994,29995,29995,29996]} 1. e4 {[%emt 0:02:51]} c5 {[%emt 0:00:31]} 2. Nf3 {[%emt 0:00:03]} Nc6 {[%emt 0:00:20]} 3. Bb5 {[%emt 0:00:36]} g6 {[%emt 0:00:22]} 4. O-O {[%emt 0:00:10]} Bg7 {[%emt 0:00:21]} 5. c3 {[%emt 0:00:03]} Nf6 {[%emt 0:04:07]} 6. Re1 {[%emt 0:00:13]} O-O {[%emt 0:01:40]} 7. h3 {[%emt 0:00:06]} h6 {[%emt 0:12:07] B31: Sicilian: 2...Nc6 3 Bb5 g6.} 8. d4 {[%emt 0:06:20]} cxd4 {[%emt 0:10:11]} 9. cxd4 {[%emt 0:00:03]} d5 {[%emt 0:04:29] White has an edge.} 10. e5 {[%emt 0:02:20]} Ne4 {[%emt 0:01:11]} 11. Bxc6 {[%emt 0:00:05]} bxc6 {[%emt 0:00:10] [#]} 12. Be3 $146 {[%emt 0:00:04]} ({Predecessor:} 12. Nbd2 c5 13. dxc5 Nxc5 14. Nd4 Nd3 15. Re3 Nxe5 16. Qe2 Qc7 17. Nb5 Qb8 18. Rb3 {0-1 (36) Toumaniantz,R (2188)-Guillon,C (2204) France 2006}) 12... Kh7 {[%emt 0:05:41]} 13. Qc1 {[%emt 0:04:37]} Bd7 {[%emt 0:00:45]} 14. Nc3 {[%emt 0:00:13]} Nxc3 {[%emt 0:06:46]} 15. Qxc3 {[%emt 0:00:31]} f6 {[%emt 0:01:21]} 16. e6 {[%emt 0:04:07]} Be8 {[%emt 0:02:03]} 17. Bf4 {[%emt 0:00:21] White is much more active. The black rooks are badly placed.} g5 {[%emt 0:04:22]} 18. Bh2 {[%emt 0:00:03]} Qb6 {[%emt 0:09:11]} 19. Nd2 {[%emt 0:04:48]} f5 {[%emt 0:08:06]} 20. Be5 {[%emt 0:02:14]} Bxe5 {[%emt 0:00:25]} 21. Rxe5 {[%emt 0:00:08]} g4 {[%emt 0:01:57]} (21... Rb8 $14) 22. Nb3 $16 {[%emt 0:03:42]} gxh3 {[%emt 0:02:29]} (22... Rb8 $16) 23. Qxh3 $18 {[%emt 0:01:34]} f4 {[%emt 0:00:22]} ({Black should try} 23... Qb4 $18 24. Qh4 (24. Rxf5 Rxf5 25. Qxf5+ Bg6 $16) 24... Rg8) 24. Rc1 {[%emt 0:08:03]} a5 {[%emt 0:09:06]} (24... Bg6 $16) 25. Rf5 {[%emt 0:11:36]} ({Better is} 25. Qh4 $18 Rf6 26. Nc5) 25... Bg6 {[%emt 0:06:04]} 26. Rxf8 {[%emt 0:00:30]} Rxf8 {[%emt 0:00:02]} 27. Qc3 $1 {[%emt 0:00:15][%csl LRa5,LRc6]} a4 {[%emt 0:00:20]} 28. Nc5 {[%emt 0:01:53][%cal Bb3c5,Bc5d7,Bd7f8][%mdl 32] Threatens to win with Nd7.} Qb5 {[%emt 0:00:31]} (28... Rg8 $16) 29. Nd7 $1 {[%emt 0:47:31][%csl LRc6,LRf8]} Rg8 {[%emt 0:00:12] aiming for ...Be4.} 30. Qa3 $1 {[%emt 0:00:00]} (30. Qxc6 Qxb2 31. Nf6+ (31. Qc5 $2 Be4 $19) 31... exf6 $15) 30... Re8 {[%emt 0:01:04] [#]} 31. Qf3 $1 {[%emt 0:00:00]} (31. Ne5 $6 Qe2 $16) 31... Be4 $2 {[%emt 0:05:57]} (31... Qxb2 $2 32. Qxf4 Rg8 33. Rxc6 Qb1+ 34. Kh2 (34. Rc1 Qf5 $16)) (31... Rc8 32. Qxf4 (32. Ne5 Be4 $16) 32... Qxb2) 32. Qxf4 {[%emt 0:00:00] Qf7+ would kill now.} Rg8 {[%emt 0:00:02]} 33. Nf8+ {[%emt 0:00:00]} Kg7 {[%emt 0:00:01] [#]} 34. Rc3 $1 {[%emt 0:00:00] White threatens Rg3+ and mate.} Bd3 {[%emt 0:03:24]} (34... Rxf8 35. Rg3+) 35. Qf7+ {[%emt 0:00:04]} (35. Nd7 Qxb2 36. Rxc6 (36. Rxd3 Qb1+ 37. Kh2 Qxd3 $11) 36... Qe2 $18) 35... Kh8 {[%emt 0:00:06]} 36. Qxe7 {[%emt 0:00:02]} Qxb2 {[%emt 0:01:31]} 37. Qf6+ {[%emt 0:00:07]} Rg7 {[%emt 0:00:03]} 38. e7 {[%emt 0:01:32] White mates.} Qb1+ {[%emt 0:00:07]} 39. Kh2 {[%emt 0:00:06]} Qb8+ {[%emt 0:00:06]} 40. f4 {[%emt 0:02:23]} Qb2 {[%emt 0:00:24] [#]} 41. Qxg7+ $3 {[%emt 0:00:37][%mdl 512]} Kxg7 {[%emt 0:00:01] [#]} 42. e8=Q $1 {[%emt 0:00:02]} Qxc3 {[%emt 0:00:02]} (42... Qe2 43. Ne6+) 43. Qe7+ {[%emt 0:00:05]} Kh8 {[%emt 0:01:39]} 44. Ne6 {[%emt 0:00:06] Weighted Error Value: White=0.08 (flawless) /Black=0.34} 1-0

[Event "13th Chennai Open 2022"]
[Site "Chennai"]
[Date "2022.06.22"]
[Round "5.17"]
[White "Konguvel, Ponnuswamy"]
[Black "Sivathanujan, S."]
[Result "1-0"]
[ECO "B42"]
[WhiteElo "2331"]
[BlackElo "1716"]
[Annotator "TA"]
[PlyCount "165"]
[EventDate "2022.06.19"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 16,165,38,49,45,29,34,33,38,30,34,37,77,18,26,14,16,5,24,0,0,0,0,-15,18,12,40,12,23,-37,0,-16,10,14,50,61,143,175,285,285,270,264,305,168,208,225,243,231,256,262,262,250,269,261,274,269,320,262,296,281,283,264,368,298,282,0,356,276,329,343,475,371,355,335,456,446,444,437,417,437,437,437,535,544,527,491,559,543,504,545,518,488,677,669,756,720,874,793,935,856,1606,1593,1061,710,4698,4706,29964,29957,29977,29978,29980,29981,29982,29981,29981,29978,29979,29979,29979,29980,29981,29980,29980,29980,29980,29981,29982,29982,29983,29984,29984,29985,29989,29987,29989,29989,29991,29987,29988,29987,29987,29988,29988,29989,29989,29990,29990,29991,29991,29992,29993,29994]} 1. e4 {[%emt 0:00:04]} c5 {[%emt 0:00:05]} 2. Nf3 {[%emt 0:00:18]} e6 {[%emt 0:00:06]} 3. d4 {[%emt 0:00:20]} cxd4 {[%emt 0:00:13]} 4. Nxd4 {[%emt 0:00:06]} a6 {[%emt 0:00:03]} 5. Bd3 {[%emt 0:00:27]} Qc7 {[%emt 0:01:36]} 6. O-O {[%emt 0:00:33]} Nf6 {[%emt 0:00:40]} 7. Qe2 {[%emt 0:00:38]} d6 {[%emt 0:01:30]} 8. c4 {[%emt 0:00:18]} Nbd7 {[%emt 0:01:11] is currently scoring better than 8...g6.} 9. f4 {[%emt 0:01:01]} Nc5 {[%emt 0:06:23] B42: Sicilian: Kan Variation: 5 Bd3.} 10. Nc3 {[%emt 0:13:43]} (10. Bc2 {feels hotter.} e5 11. Nf5 Bxf5 12. exf5 Ncd7 13. Nc3) 10... Nxd3 {[%emt 0:05:35]} 11. Qxd3 {[%emt 0:00:02]} Bd7 {[%emt 0:02:29] [#] White is slightly better.} 12. Bd2 $146 {[%emt 0:00:51]} ({Predecessor:} 12. Kh1 Be7 13. Be3 Rc8 14. Rac1 Qxc4 15. Qb1 Qb4 16. Nf3 Ng4 17. Bd4 O-O 18. h3 {0-1 (30) Johne,S (1862)-Schewe,H (1717) Bad Sooden-Allendorf 2003}) 12... Rc8 {[%emt 0:08:03]} 13. b3 {[%emt 0:00:32]} g6 {[%emt 0:08:27]} 14. Rac1 {[%emt 0:22:46] White is more active.} (14. e5 $16 dxe5 15. fxe5) 14... Bg7 $11 {[%emt 0:05:24]} 15. Kh1 {[%emt 0:00:04]} O-O {[%emt 0:02:10]} 16. Be3 {[%emt 0:00:30]} Qa5 {[%emt 0:13:24][%cal Ob7b5]} 17. Nde2 {[%emt 0:10:16]} Rfd8 {[%emt 0:07:16]} 18. a4 {[%emt 0:06:06] Prevents b5.} ({But not} 18. Qxd6 Bc6 19. Qc5 Qxc5 20. Bxc5 Nxe4 21. Nxe4 Bxe4 $17) 18... Qb4 {[%emt 0:13:05]} 19. Nd4 {[%emt 0:03:29]} ({Don't play} 19. e5 dxe5 20. fxe5 Bc6 $1 $17) 19... Qa5 {[%emt 0:10:40]} 20. Bg1 {[%emt 0:03:01]} Nh5 {[%emt 0:05:30]} (20... Be8 {is interesting.} 21. f5 d5 22. fxe6 dxc4 23. Qf3 cxb3 24. Nxb3 Qh5) 21. Nde2 {[%emt 0:02:08]} Bc6 {[%emt 0:01:29]} 22. Qe3 {[%emt 0:14:33]} ({White should try} 22. f5 $11) 22... Nf6 {[%emt 0:00:51]} 23. Rfd1 {[%emt 0:01:54]} h5 {[%emt 0:01:18]} 24. h3 {[%emt 0:00:24]} Bf8 {[%emt 0:02:38]} (24... Qb4 $5 {[%cal Rb4b3]}) 25. Nd4 {[%emt 0:03:14]} Be8 {[%emt 0:00:37]} ({Black should play} 25... Bh6 $14) 26. f5 $16 {[%emt 0:01:18]} exf5 {[%emt 0:01:03]} (26... e5 $142) 27. exf5 $18 {[%emt 0:00:07]} Qe5 {[%emt 0:00:42]} 28. fxg6 {[%emt 0:00:50]} fxg6 {[%emt 0:00:23]} 29. Ne6 {[%emt 0:02:02]} (29. Qf3 $142) 29... Qxe3 {[%emt 0:01:21]} 30. Bxe3 {[%emt 0:00:04]} Rd7 {[%emt 0:00:20] [#]} 31. Rf1 $1 {[%emt 0:05:23]} Be7 {[%emt 0:00:36]} 32. Bd4 {[%emt 0:00:16]} Nh7 {[%emt 0:00:41]} 33. Nd5 {[%emt 0:00:39][%cal Bc3d5,Bd5b6,Bb6c8][%mdl 32]} Bf7 {[%emt 0:00:31] [#]} 34. Nb6 $1 {[%emt 0:02:30][%csl LRc8,LRd7]} Bxe6 {[%emt 0:00:32]} 35. Nxc8 {[%emt 0:00:03] Threatens to win with Rce1.} Bh4 {[%emt 0:00:34] Prevents Rce1.} 36. Nb6 {[%emt 0:00:34]} Rd8 {[%emt 0:00:29]} 37. Nd5 {[%emt 0:00:14]} Bf5 {[%emt 0:00:32]} 38. Kh2 {[%emt 0:00:43] Strongly threatening g3.} Bd3 {[%emt 0:00:30]} 39. Rf3 {[%emt 0:01:46]} Be4 {[%emt 0:00:27]} 40. Rff1 {[%emt 0:00:33]} Bd3 $1 {[%emt 0:00:19] A strong pair of Bishops.} 41. Rfd1 {[%emt 0:00:26]} Be4 {[%emt 0:00:37]} 42. Rc3 {[%emt 0:00:47]} b5 {[%emt 0:00:27]} 43. axb5 {[%emt 0:01:05]} axb5 {[%emt 0:00:04]} 44. Ra1 {[%emt 0:00:27]} Rd7 {[%emt 0:01:03]} 45. Re3 {[%emt 0:00:24]} Bxd5 {[%emt 0:00:30]} 46. cxd5 {[%emt 0:00:11]} Bf6 {[%emt 0:00:12]} 47. Bxf6 {[%emt 0:01:16]} Nxf6 {[%emt 0:00:01][%mdl 4096] Endgame KRR-KRN} 48. Re6 {[%emt 0:00:08]} Nxd5 {[%emt 0:00:53]} 49. Rxg6+ {[%emt 0:00:06]} Kh7 {[%emt 0:00:20]} 50. Rg5 {[%emt 0:00:06][%csl LRd5,LRh5]} Nc3 {[%emt 0:00:11]} 51. Rxh5+ {[%emt 0:00:19]} Kg6 {[%emt 0:00:05]} 52. Rh4 {[%emt 0:00:06]} d5 {[%emt 0:00:16]} 53. Rd4 {[%emt 0:02:10]} Kf5 {[%emt 0:01:03]} 54. Re1 {[%emt 0:00:30]} Rb7 {[%emt 0:00:31]} 55. Re3 {[%emt 0:00:19]} b4 {[%emt 0:00:11]} 56. g4+ {[%emt 0:00:25]} Kf6 {[%emt 0:00:07]} 57. Kg3 {[%emt 0:00:22]} Ne4+ {[%emt 0:00:42]} 58. Rexe4 {[%emt 0:00:53]} dxe4 {[%emt 0:00:04]} 59. Rxe4 {[%emt 0:00:03] Hoping for h4. KR-KR} Kg6 {[%emt 0:00:11]} 60. h4 {[%emt 0:00:24][%cal Bh3h4,Bh4h5][%mdl 32] White wants to mate with h5+.} Rb5 {[%emt 0:00:33]} 61. Kf4 {[%emt 0:00:11] White mates.} Rb8 {[%emt 0:00:17]} 62. h5+ {[%emt 0:00:46]} Kh6 {[%emt 0:00:09]} 63. Re6+ {[%emt 0:00:03]} Kg7 {[%emt 0:00:15]} 64. g5 {[%emt 0:00:17]} Rf8+ {[%emt 0:00:34]} 65. Ke4 {[%emt 0:00:36]} Rf1 {[%emt 0:00:25]} 66. Re7+ {[%emt 0:00:07]} Kg8 {[%emt 0:00:30]} 67. Rb7 {[%emt 0:00:03]} Rh1 {[%emt 0:00:20]} 68. Kf5 {[%emt 0:00:13]} Rc1 {[%emt 0:00:18]} 69. Rxb4 {[%emt 0:00:44]} Rc5+ {[%emt 0:00:05]} 70. Kg4 {[%emt 0:00:06]} Rc7 {[%emt 0:00:09]} 71. Rb6 {[%emt 0:01:11]} Kg7 {[%emt 0:00:08]} 72. h6+ {[%emt 0:00:34]} Kh7 {[%emt 0:00:12]} 73. Kh5 {[%emt 0:00:02]} Rc8 {[%emt 0:00:09]} 74. Rb7+ {[%emt 0:00:15]} Kh8 {[%emt 0:00:07]} 75. b4 {[%emt 0:00:11][%cal Bb3b4,Bb4b5,Bb5b6,Bb6b7][%mdl 32]} Kg8 {[%emt 0:00:47]} 76. b5 {[%emt 0:00:06]} Rd8 {[%emt 0:00:56]} 77. Rc7 {[%emt 0:01:50]} Rb8 {[%emt 0:00:24]} 78. Kg6 {[%emt 0:01:24]} Kh8 {[%emt 0:00:24]} 79. Rc6 {[%emt 0:00:07]} Rg8+ {[%emt 0:00:12]} 80. Kh5 {[%emt 0:00:06]} Rb8 {[%emt 0:00:04]} 81. b6 {[%emt 0:00:05]} Kg8 {[%emt 0:00:11]} 82. Kg6 {[%emt 0:00:10]} Kh8 {[%emt 0:00:10]} 83. b7 {[%emt 0:00:08] Weighted Error Value: White=0.25 (precise) /Black=0.32} 1-0

[Event "13th Chennai Open 2022"]
[Site "Chennai"]
[Date "2022.06.22"]
[Round "5.18"]
[White "Kunal, M.."]
[Black "Madhavan R Munjanattu"]
[Result "1/2-1/2"]
[ECO "C42"]
[WhiteElo "2277"]
[BlackElo "1779"]
[Annotator "TA"]
[PlyCount "64"]
[EventDate "2022.06.19"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 20,64,11,10,21,14,16,8,30,0,5,5,0,0,0,0,10,0,0,0,0,0,0,0,0,-20,-31,-34,-29,-35,-49,-30,-18,-58,0,0,0,0,0,-18,0,0,0,0,0,0,0]} 1. e4 {[%emt 0:00:04]} e5 {[%emt 0:00:03]} 2. Nf3 {[%emt 0:00:05]} Nf6 {[%emt 0:00:03]} 3. Nxe5 {[%emt 0:00:06]} d6 {[%emt 0:00:01]} 4. Nf3 {[%emt 0:00:08]} Nxe4 {[%emt 0:00:05]} 5. d4 {[%emt 0:00:06]} d5 {[%emt 0:00:04]} 6. Bd3 {[%emt 0:00:05]} Bd6 {[%emt 0:00:09]} 7. O-O {[%emt 0:00:08]} O-O {[%emt 0:00:22]} 8. c4 {[%emt 0:00:06]} c6 {[%emt 0:00:10]} 9. Nc3 {[%emt 0:08:56]} Bf5 {[%emt 0:00:51]} 10. Re1 {[%emt 0:03:51]} Nxc3 {[%emt 0:03:00]} 11. bxc3 {[%emt 0:00:07]} Bxd3 {[%emt 0:00:03] C42: Petroff Defence: 3 Nxe5 and unusual White 3rd moves.} 12. Qxd3 {[%emt 0:00:08] Threatening Ng5.} dxc4 {[%emt 0:00:02]} 13. Qxc4 {[%emt 0:00:12]} h6 {[%emt 0:00:01] [#]} 14. a4 $146 {[%emt 0:03:59]} ({Predecessor:} 14. h3 Nd7 15. a4 Nb6 16. Qb3 Qc7 17. c4 c5 18. d5 Nd7 19. Bb2 b6 20. Re3 {0-1 (44) Rodchenkov,S (2346)-Riehle,M (2347) Chess.com INT 2021}) 14... Nd7 {[%emt 0:01:32]} 15. a5 {[%emt 0:01:07]} Qc7 {[%emt 0:00:15]} 16. Ba3 {[%emt 0:01:45]} Bxa3 {[%emt 0:04:02]} 17. Rxa3 {[%emt 0:00:06]} Qd6 {[%emt 0:00:25]} 18. Ra2 {[%emt 0:04:08]} Rfe8 {[%emt 0:01:49]} 19. Rae2 {[%emt 0:00:11]} Rxe2 {[%emt 0:00:11]} 20. Rxe2 {[%emt 0:00:07]} b5 {[%emt 0:02:07]} 21. Qb3 {[%emt 0:18:11]} Rb8 {[%emt 0:03:07]} 22. g3 {[%emt 0:02:19]} c5 {[%emt 0:00:55]} 23. Ne5 {[%emt 0:14:35]} Nxe5 {[%emt 0:02:13]} 24. Rxe5 {[%emt 0:06:19]} cxd4 {[%emt 0:00:11]} 25. cxd4 $15 {[%emt 0:00:04][%mdl 4096] Endgame KQR-KQR} b4 {[%emt 0:00:22]} 26. Rc5 {[%emt 0:05:04]} Rb7 {[%emt 0:03:43]} ({Black should play} 26... g5 $15) 27. Rc8+ $11 {[%emt 0:03:23] The position is equal.} Kh7 {[%emt 0:00:48]} 28. d5 {[%emt 0:00:04]} Rd7 {[%emt 0:04:59]} 29. Rc1 {[%emt 0:04:41]} g6 {[%emt 0:09:19]} 30. h4 {[%emt 0:00:35]} Qxd5 {[%emt 0:06:27]} 31. Qxb4 {[%emt 0:00:07]} Rb7 {[%emt 0:00:04]} 32. Qc5 {[%emt 0:00:39]} Rb5 {[%emt 0:00:59] Weighted Error Value: White=0.08 (flawless) /Black=0.06 (flawless)} 1/2-1/2

[Event "13th Chennai Open 2022"]
[Site "Chennai"]
[Date "2022.06.22"]
[Round "6.1"]
[White "Baghdasaryan, Vahe"]
[Black "Nitin, S.."]
[Result "0-1"]
[ECO "B99"]
[WhiteElo "2267"]
[BlackElo "2399"]
[Annotator "TA"]
[PlyCount "100"]
[EventDate "2022.06.19"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 22,100,60,45,47,29,29,59,39,0,0,-145,-161,-189,-209,-222,-202,-397,-321,-335,-315,-307,-300,-283,-246,-443,-415,-520,-527,-502,-496,-2495,-2280,-2280,-2868,-3220,-2787,-2429,-2379,-3530,-2292,-1512,-1287,-1301,-803,-732,-658,-5057,-1426,-1353,-920,-1423,-1306,-1224,-1037,-5072,-5057,-5072,-5065,-5065,-5065,-5065,-5065,-5065,-5065,-1975,-1193,-1171,-1122,-1122,-1114,-1016,-712,-647,-523,-562,-419,-2060,-729,-1008,-1008]} 1. e4 {[%emt 0:06:10]} c5 {[%emt 0:00:33]} 2. Nf3 {[%emt 0:00:08]} d6 {[%emt 0:00:08]} 3. d4 {[%emt 0:00:07]} cxd4 {[%emt 0:00:05]} 4. Nxd4 {[%emt 0:00:03]} Nf6 {[%emt 0:00:12]} 5. Nc3 {[%emt 0:00:04]} a6 {[%emt 0:00:08]} 6. Bg5 {[%emt 0:00:14]} e6 {[%emt 0:00:19]} 7. f4 {[%emt 0:00:12]} Be7 {[%emt 0:00:14]} 8. Qf3 {[%emt 0:00:17]} Qc7 {[%emt 0:00:14]} 9. O-O-O {[%emt 0:00:20]} Nbd7 {[%emt 0:00:09]} 10. g4 {[%emt 0:00:21][%cal Bg2g4,Bg4g5][%mdl 32]} h6 {[%emt 0:00:23]} 11. Bxf6 {[%emt 0:00:16]} Bxf6 {[%emt 0:00:56]} 12. h4 {[%emt 0:00:18]} Nb6 $1 {[%emt 0:01:04][%mdl 4] is more profitable than 12...Qb6 at the moment. B99: Sicilian Najdorf: 6 Bg5 e6 7 f4 Be7 8 Qf3 Qc7 9 0-0-0 Nbd7.} 13. g5 {[%emt 0:13:12]} Bxd4 {[%emt 0:00:16]} 14. Rxd4 {[%emt 0:00:02]} Qc5 {[%emt 0:00:08] White is slightly better.} 15. Qd3 {[%emt 0:10:45] Hoping for g6.} hxg5 {[%emt 0:09:18] [#]} 16. Rg1 $146 {[%emt 0:26:09]} (16. Rxd6 Nd5 $1 17. Rxd5 exd5 18. fxg5 dxe4 19. Qxe4+ Be6 $15) (16. fxg5 $11 Rxh4 17. Rxh4 Qxg5+ 18. Kb1 Qxh4 19. Rxd6 Qe1+ 20. Nd1) ({Predecessor:} 16. b4 Qc7 17. fxg5 Ke7 18. Be2 e5 19. Nd5+ Nxd5 20. Rc4 Qb6 21. exd5 Bd7 22. Qf3 {0-1 (54) Sankalp,G (2468)-Alsina Leal,D (2497) Barbera del Valles 2021}) 16... gxf4 $17 {[%emt 0:15:24]} (16... Rxh4 17. Rxg5 Qc7 18. Rxg7 $18 (18. Rxd6 g6 $16)) 17. Rg5 {[%emt 0:04:25]} e5 {[%emt 0:08:34]} 18. Rxd6 {[%emt 0:00:16] [#] aiming for Rd8+.} Be6 $1 {[%emt 0:01:02]} ({And not} 18... O-O 19. Kb1 $17) 19. Be2 $2 {[%emt 0:20:14]} (19. Qd1) 19... Ke7 {[%emt 0:20:10]} 20. Rxb6 {[%emt 0:00:08]} Qxb6 {[%emt 0:00:27] Chess con chili.} 21. Nd5+ {[%emt 0:00:08]} Bxd5 {[%emt 0:00:23]} 22. Qxd5 {[%emt 0:00:02]} Kf8 {[%emt 0:10:40]} ({Weaker is} 22... Rxh4 23. Qxe5+ Kd7 24. Bg4+ Rxg4 25. Qd5+ Ke7 26. Qe5+ (26. Rxg4 $2 {perishes.} Qe3+ 27. Qd2 Rh8 $19) 26... Qe6 27. Qxe6+ fxe6 28. Rxg4 $17) 23. Qxe5 $2 {[%emt 0:03:49]} (23. Bc4 {was called for.} Qe3+ 24. Kd1 Qd4+ 25. Qxd4 exd4 26. Rf5) 23... Qe3+ $19 {[%emt 0:05:09]} 24. Kd1 {[%emt 0:00:07]} Rd8+ {[%emt 0:01:16]} 25. Bd3 {[%emt 0:00:27]} f6 {[%emt 0:05:48][%cal Bf7f6,Bf6g5][%mdl 32]} 26. Qc7 {[%emt 0:01:27]} (26. Qc5+ $142 Qxc5 27. Rxc5) 26... Rxd3+ {[%emt 0:00:14]} 27. cxd3 {[%emt 0:00:01]} Qxd3+ {[%emt 0:00:10][%mdl 4096] Endgame KQR-KQR} 28. Kc1 {[%emt 0:00:01]} Qe3+ {[%emt 0:00:34]} 29. Kd1 {[%emt 0:00:06]} Qd4+ {[%emt 0:00:41]} 30. Kc1 {[%emt 0:00:04]} fxg5 {[%emt 0:00:22]} 31. Qc8+ {[%emt 0:00:12]} Kf7 {[%emt 0:00:46]} 32. Qxh8 {[%emt 0:00:03] KQ-KQ} Qc4+ {[%emt 0:03:16]} 33. Kd2 {[%emt 0:00:17]} Qxe4 {[%emt 0:02:05]} 34. hxg5 {[%emt 0:02:10]} Qd5+ {[%emt 0:00:12]} (34... Kg6 $142 35. Qh2 Qd4+ 36. Kc2 f3) 35. Ke1 {[%emt 0:01:02]} Qxg5 {[%emt 0:00:24] And now ...f3 would win.} 36. Qb8 {[%emt 0:00:07]} Qg1+ {[%emt 0:01:25]} 37. Ke2 {[%emt 0:02:49]} Qe3+ {[%emt 0:00:16]} 38. Kf1 {[%emt 0:00:11]} Qf3+ {[%emt 0:00:49]} 39. Kg1 {[%emt 0:00:05]} Qe4 {[%emt 0:00:46]} 40. Kf2 {[%emt 0:02:30]} Kg6 {[%emt 0:01:37]} 41. Qd6+ {[%emt 0:00:09]} Kh7 {[%emt 0:00:17]} 42. Qc7 {[%emt 0:00:14]} Qe3+ {[%emt 0:02:02]} 43. Kf1 {[%emt 0:00:05]} Qf3+ {[%emt 0:00:35]} 44. Ke1 {[%emt 0:02:33]} Qg3+ {[%emt 0:01:11]} 45. Kf1 {[%emt 0:01:19]} Qh3+ {[%emt 0:01:27]} 46. Ke1 {[%emt 0:00:14]} Qh1+ {[%emt 0:02:35]} 47. Kf2 {[%emt 0:01:16]} Qe4 {[%emt 0:01:14] Strongly threatening ...Qe3+.} 48. Qf7 {[%emt 0:00:26]} b5 {[%emt 0:01:23]} 49. b4 {[%emt 0:00:22]} (49. Qh5+ $142 Kg8 50. Qc5) 49... Qg6 {[%emt 0:00:33]} (49... Qc2+ $142 50. Kf3 Qd3+ 51. Kf2 Qe3+ 52. Kg2 Qe2+ 53. Kh3 Qf3+ 54. Kh2 Qg3+ 55. Kh1 Qg4) 50. Qe7 {[%emt 0:00:38]} Qg3+ {[%emt 0:00:12] Black took control after the opening.  Weighted Error Value: White=1.40/Black=0.55} 0-1

[Event "13th Chennai Open 2022"]
[Site "Chennai"]
[Date "2022.06.22"]
[Round "6.2"]
[White "Savchenko, Boris"]
[Black "Stupak, Kirill"]
[Result "1-0"]
[ECO "C02"]
[WhiteElo "2524"]
[BlackElo "2440"]
[Annotator "TA"]
[PlyCount "111"]
[EventDate "2022.06.19"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 16,111,-6,0,0,-9,0,0,0,0,0,0,0,0,0,0,0,0,19,15,27,31,52,29,44,34,41,39,50,32,46,43,29,25,74,63,64,68,58,51,57,88,87,35,18,-132,-159,-251,-247,-259,-249,-245,-237,-236,-235,-232,-199,-160,-152,-221,-33,-33,-34,-34,-35,-166,-35,-69,-43,-39,149,152,153,98,195,116,161,127,137,133,171,160,168,152,166,145,558,533,550,535,535,516,508,294,1269,1235,869,904]} 1. e4 {[%emt 0:00:43]} e6 {[%emt 0:00:16]} 2. d4 {[%emt 0:00:14]} d5 {[%emt 0:00:01]} 3. e5 {[%emt 0:00:08]} c5 {[%emt 0:00:04]} 4. c3 {[%emt 0:00:08]} Qb6 {[%emt 0:00:02]} 5. Nf3 {[%emt 0:00:07]} Nc6 {[%emt 1:32:37]} 6. a3 {[%emt 0:01:06]} c4 {[%emt 0:00:00]} 7. Nbd2 {[%emt 0:00:08]} Na5 {[%emt 0:00:00]} 8. Rb1 {[%emt 0:00:41]} Bd7 {[%emt 0:00:00]} 9. Be2 {[%emt 0:00:11]} Ne7 {[%emt 0:00:00] 9...Qc7 gains popularity. C02: French: Advance Variation.} 10. h4 {[%emt 0:00:11]} Qc7 {[%emt 0:00:00]} 11. h5 {[%emt 0:01:02][%cal Oh5h6]} h6 {[%emt 0:00:00] The position is equal.} 12. Nf1 {[%emt 0:00:08]} Nc8 {[%emt 0:00:00]} 13. Bf4 {[%emt 0:01:46][%cal Bc1f4,Bf4g3,Bg3h4][%mdl 32]} Nb6 {[%emt 0:00:00]} 14. Bg3 {[%emt 0:00:13]} Be7 {[%emt 0:00:00] [#]} 15. Qc1 $146 {[%emt 0:14:15]} ({Predecessor:} 15. Nh4 Nb3 16. Nd2 Ba4 17. Nxb3 Bxb3 18. Qd2 Na4 19. f4 O-O-O 20. O-O Kb8 21. Bg4 {½-½ (65) Dauletova,G (2285)-Tomilova,E (2338) Chess.com INT 2021}) 15... Ba4 {[%emt 0:00:00]} 16. Bd1 {[%emt 0:05:14]} Qc6 {[%emt 0:00:00]} 17. Bh4 {[%emt 0:04:19]} Bxd1 {[%emt 0:00:00]} 18. Qxd1 {[%emt 0:02:12]} Qa4 {[%emt 0:00:00]} 19. Qe2 {[%emt 0:07:16]} Nc6 {[%emt 0:00:00]} 20. Ne3 {[%emt 0:00:50]} O-O-O {[%emt 0:00:00]} 21. O-O {[%emt 0:05:05]} Kb8 {[%emt 0:00:00]} 22. Bxe7 {[%emt 0:03:39]} Nxe7 {[%emt 0:08:30]} 23. Nd2 {[%emt 0:00:50]} Rc8 {[%emt 0:00:00]} 24. Rfc1 {[%emt 0:11:13]} Qd7 {[%emt 0:00:00]} (24... Qe8 $11 {feels stronger.}) 25. b3 $1 $16 {[%emt 0:07:11]} cxb3 {[%emt 0:00:00]} 26. Nxb3 {[%emt 0:00:10]} Na4 {[%emt 0:00:00] Prevents Nc5.} 27. c4 {[%emt 0:01:17]} dxc4 {[%emt 0:00:00]} 28. Nxc4 {[%emt 0:00:14]} Qd5 {[%emt 0:00:00] [#]} 29. Qd3 {[%emt 0:15:27]} (29. Nd6 $2 Rxc1+ 30. Nxc1 Nc3 $19) (29. Qd2 $1 $16) 29... Nf5 $14 {[%emt 0:00:00][%cal Be7f5,Bf5h4,Bh4f3,Bf3e5,Be5d3][%mdl 32]} 30. g4 {[%emt 0:12:43]} ({White should play} 30. Nd6 $11 Nxd6 31. exd6) 30... Nh4 $17 {[%emt 0:00:00][%csl Gh4][%cal Rd5g2]} 31. Ne3 {[%emt 0:00:05] Against Qg2+} (31. Kf1 $17) 31... Nf3+ $19 {[%emt 0:00:00]} 32. Kf1 {[%emt 0:00:09]} Nxe5 $1 {[%emt 0:00:00]} 33. Nxd5 {[%emt 0:03:05]} Nxd3 {[%emt 0:00:00]} 34. Rxc8+ {[%emt 0:00:16]} Rxc8 {[%emt 0:00:00]} 35. Ne3 {[%emt 0:00:22]} Rc3 {[%emt 0:00:00]} 36. d5 {[%emt 0:00:09]} exd5 {[%emt 0:00:00]} 37. Nd4 {[%emt 0:01:04]} (37. Nxd5 $17 Rc2 38. Nd4 Rxf2+ 39. Kg1) 37... g6 $2 {[%emt 0:00:00]} ({Better is} 37... Rxa3 $19 38. Nxd5 Nac5 39. Nc6+ Kc8 40. Nce7+ Kd7) 38. g5 $1 $15 {[%emt 0:00:24]} hxg5 {[%emt 0:00:00]} 39. h6 {[%emt 0:01:05]} Nb6 {[%emt 0:00:47] ...Rc8 is the strong threat.} (39... Rxa3 $2 40. h7 Rc3 41. h8=Q+ $18) 40. Ng4 {[%emt 0:02:26]} (40. Nf3 $1 $15) 40... Rc8 {[%emt 0:00:58]} (40... Rxa3 $2 41. Nb5 Nc4 42. h7 $18) (40... Nf4 $1 $19 {Threatens to win with ...Rh3.} 41. f3 Rc8) 41. Nf3 $1 {[%emt 0:01:39]} Nd7 {[%emt 0:04:52] White must now prevent ...f6.} (41... Rh8 $5 {[%cal Rf7f5]} 42. Nxg5 f5 $15) 42. Nxg5 {[%emt 0:00:44]} f6 {[%emt 0:02:41]} (42... f5 $15 {keeps the upper hand.} 43. Rd1 Nf4) 43. Nf7 $1 $16 {[%emt 0:01:14]} Nf8 {[%emt 0:00:40]} 44. Nxf6 {[%emt 0:00:26]} (44. Nd6 $142 $1 {[%cal Rd6c8]} Rc1+ 45. Rxc1 Nxc1 46. Nxf6) 44... Rc7 {[%emt 0:00:30]} (44... Rc2 $16 45. Kg1 b6) 45. Ng5 {[%emt 0:00:24]} (45. h7 $2 Nxh7 46. Nxh7 Rxf7 $19) (45. Nd6 $1 $18) 45... Rc2 {[%emt 0:00:07]} 46. Ng4 {[%emt 0:00:42][%mdl 1024] White has strong compensation.} (46. Nxd5 $2 Rxf2+ 47. Kg1 Rf5 $19) 46... Rc4 {[%emt 0:00:52] [#]} 47. f3 {[%emt 0:00:14]} Rc3 {[%emt 0:00:29]} 48. Rd1 {[%emt 0:00:41]} (48. h7 $6 Nxh7 49. Nxh7 Rxa3 $11) 48... Kc8 {[%emt 0:00:27]} 49. Nf6 {[%emt 0:00:32]} ({But not} 49. h7 $6 Nxh7 50. Nxh7 Rxa3 $14) 49... Rxa3 {[%emt 0:00:32]} 50. Nxd5 {[%emt 0:00:27][%cal Og5e6]} Ne5 $2 {[%emt 0:01:05][%mdl 8192] [#]} (50... b5 $16 {is a better chance.} 51. Ke2 (51. h7 Nxh7 52. Nxh7 Nf4 $16) 51... Ne5) 51. Re1 $1 $18 {[%emt 0:00:37]} Nxf3 {[%emt 0:00:00]} 52. Re8+ {[%emt 0:00:26]} Kd7 {[%emt 0:01:00]} 53. Nf6+ {[%emt 0:00:07]} Kc6 {[%emt 0:00:00]} 54. Ne6 {[%emt 0:00:49]} ({Not} 54. h7 Nxh7 55. Ngxh7 a5 $11) 54... Nxe6 $2 {[%emt 0:00:27]} (54... Nh7) 55. Rxe6+ {[%emt 0:00:25]} Kb5 {[%emt 0:00:52]} 56. h7 {Quite a comeback for White.  Weighted Error Value: White=0.22 (precise) /Black=0.45} 1-0

[Event "13th Chennai Open 2022"]
[Site "Chennai"]
[Date "2022.06.22"]
[Round "6.3"]
[White "Tran, Tuan Minh"]
[Black "Fedorov, Alexei"]
[Result "1/2-1/2"]
[ECO "E73"]
[WhiteElo "2533"]
[BlackElo "2529"]
[Annotator "TA"]
[PlyCount "71"]
[EventDate "2022.06.19"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 11,71,44,38,30,29,-8,-21,-14,0,9,43,58,50,47,27,0,0,-59,-32,-63,-73,-74,-40,-45,-45,-47,-55,-47,-18,-47,-39,-36,0,0,0,0,0,0,0,0,0,0,0,-17,-17,-27,0,-11,-5,-7,0,-2,0,-4,0,-9,0,-10,0,-32,-33,-62]} 1. d4 {[%emt 0:00:03]} Nf6 {[%emt 0:00:05]} 2. c4 {[%emt 0:00:04]} g6 {[%emt 0:00:14]} 3. Nc3 {[%emt 0:00:04]} Bg7 {[%emt 0:00:04]} 4. e4 {[%emt 0:00:05][%cal Be2e4,Be4e5][%mdl 32]} d6 {[%emt 0:00:04]} 5. Be2 {[%emt 0:00:06]} O-O {[%emt 0:01:27]} 6. Be3 {[%emt 0:00:04]} c5 {[%emt 0:07:49]} 7. dxc5 {[%emt 0:01:55] E73: King's Indian: Averbakh Variation without 6...c5.} Qa5 {[%emt 0:00:06][%csl LRc5,LRe4] [#] White must now prevent ...Nxe4.} 8. Kf1 {[%emt 0:17:32]} ({Reject} 8. cxd6 Nxe4 9. Bd2 (9. dxe7 Re8 $15) 9... Nxc3 10. bxc3 exd6 $15) 8... dxc5 {[%emt 0:11:28]} 9. e5 {[%emt 0:00:10] [#] The position is equal.} Rd8 $146 {[%emt 0:06:25]} ({Predecessor:} 9... Nfd7 10. f4 Nc6 11. Nf3 a6 12. h4 b5 13. h5 bxc4 14. hxg6 hxg6 15. Bxc4 Nb6 {1-0 (26) Elissalt Cardenas,H (2279)-Schill,W (2147) Chess.com INT 2021}) 10. Bd2 {[%emt 0:15:10]} Bh6 {[%emt 0:06:22]} (10... Ng4 $5) 11. Nf3 {[%emt 0:12:04][%cal Bg1f3,Bf3d2,Bd2b3][%mdl 32]} Bxd2 {[%emt 0:10:49]} 12. Nxd2 {[%emt 0:00:07]} Nfd7 {[%emt 0:01:43][%cal Bf6d7,Bd7b6,Bb6a4][%mdl 32]} 13. f4 {[%emt 0:13:11]} Nb6 {[%emt 0:03:02]} 14. Qe1 {[%emt 0:15:43]} ({White should try} 14. a3 $11) 14... Nc6 $1 $15 {[%emt 0:01:44]} 15. Nb3 {[%emt 0:04:01]} Qb4 {[%emt 0:00:16]} 16. Ne4 {[%emt 0:00:11]} Na4 {[%emt 0:17:54]} 17. Nexc5 {[%emt 0:00:07]} Nxc5 {[%emt 0:00:42]} 18. Qxb4 {[%emt 0:00:05][%mdl 64] [#] Remove Defender} Nxb4 {[%emt 0:00:06]} 19. Nxc5 {[%emt 0:00:02]} b6 {[%emt 0:02:08]} (19... Rd2 {with more complications.} 20. Rb1 Bf5 21. Nb3 Rdd8) 20. Nb3 {[%emt 0:00:41]} a5 $1 {[%emt 0:05:24] Hoping for ...a4.} 21. a3 {[%emt 0:00:59]} Nd3 {[%emt 0:02:49]} (21... Nc2 $5 {[%cal Rc2a1]} 22. Rc1 Bf5 $11) 22. Rd1 {[%emt 0:00:07]} Bf5 {[%emt 0:00:18][%cal Bc8f5,Bf5d3,Bd3c4,Bc4b3][%mdl 32] And now ...a4 would win.} 23. Bxd3 {[%emt 0:00:26]} Bxd3+ {[%emt 0:00:25]} 24. Kf2 {[%emt 0:00:16]} Bxc4 {[%emt 0:00:36]} 25. Nd4 {[%emt 0:00:26]} Rac8 {[%emt 0:01:12] Inhibits Nc6.} 26. Rd2 {[%emt 0:03:30]} f6 {[%emt 0:02:01]} 27. Rhd1 {[%emt 0:05:27]} fxe5 {[%emt 0:01:14]} 28. fxe5 {[%emt 0:00:02]} Rf8+ {[%emt 0:01:23]} 29. Nf3 {[%emt 0:03:35]} Bb3 {[%emt 0:01:23]} 30. Re1 {[%emt 0:00:06]} Rc7 {[%emt 0:00:35]} 31. Kg3 {[%emt 0:00:18]} h6 {[%emt 0:06:45]} 32. Nd4 {[%emt 0:00:50]} Bd5 {[%emt 0:00:19]} 33. Ne2 {[%emt 0:00:49]} Bb3 {[%emt 0:00:40]} 34. Nd4 {[%emt 0:01:33]} Bd5 {[%emt 0:00:06]} 35. Nb5 {[%emt 0:00:28]} Rc5 {[%emt 0:00:17]} 36. Nc3 {[%emt 0:08:13] Weighted Error Value: White=0.12 (very precise) /Black=0.08 (flawless)} 1/2-1/2

[Event "13th Chennai Open 2022"]
[Site "Chennai"]
[Date "2022.06.22"]
[Round "6.4"]
[White "Vignesh B"]
[Black "Srijit Paul"]
[Result "1-0"]
[ECO "A80"]
[WhiteElo "2072"]
[BlackElo "2399"]
[Annotator "TA"]
[PlyCount "67"]
[EventDate "2022.06.19"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 9,67,16,24,15,17,0,14,13,39,9,6,-4,-10,-17,-16,-20,0,0,15,7,29,14,54,61,113,100,121,96,183,155,438,443,475,199,211,196,208,119,175,158,648,647,683,683,677,658,614,651,680,672,653,672,666,662,650,639,605,472,29985,29988]} 1. Nf3 {[%emt 0:00:09]} f5 {[%emt 0:01:48]} 2. b3 {[%emt 0:02:33]} d6 {[%emt 0:00:13]} 3. d4 {[%emt 0:00:30]} Nf6 {[%emt 0:00:08]} 4. Bb2 {[%emt 0:00:16]} g6 {[%emt 0:00:18]} 5. e3 {[%emt 0:01:16]} Bg7 {[%emt 0:00:06]} 6. Nbd2 {[%emt 0:01:34] A80: Dutch Defence: Unusual White second moves.} O-O {[%emt 0:02:00]} 7. Be2 {[%emt 0:01:43]} Nc6 {[%emt 0:05:04]} 8. O-O {[%emt 0:00:42] The position is equal.} Qe8 {[%emt 0:00:19] [#]} 9. Bb5 $146 {[%emt 0:02:49]} ({Predecessor:} 9. c4 e5 10. d5 Nd8 11. e4 fxe4 12. Ng5 Bf5 13. g4 h6 14. gxf5 hxg5 15. fxg6 Qxg6 {0-1 (29) Solovchuk,A (2321)-Nguyen,H (1697) Chess.com INT 2021}) 9... a6 {[%emt 0:01:50]} 10. Bxc6 {[%emt 0:00:44]} Qxc6 {[%emt 0:00:07]} 11. c4 {[%emt 0:00:17]} e6 {[%emt 0:00:06]} 12. Rc1 {[%emt 0:00:37]} b6 {[%emt 0:02:10] Against c5} 13. c5 {[%emt 0:18:32]} Bb7 {[%emt 0:04:18]} 14. Nc4 {[%emt 0:15:28]} dxc5 {[%emt 0:15:14]} (14... b5 $5 {[%cal Rb5c4]} 15. Na5 Qe4 $11) 15. Nce5 {[%emt 0:18:12]} Qe4 {[%emt 0:18:00]} 16. dxc5 {[%emt 0:00:48][%cal Bd4c5,Bc5c6][%mdl 32] And now c6 would win.} Rad8 {[%emt 0:00:06]} (16... Rfd8 $14) 17. Qe2 $1 $16 {[%emt 0:01:25]} Ng4 {[%emt 0:01:11][%cal Rg4e5] [#]} 18. c6 $1 {[%emt 0:10:54]} Bxe5 {[%emt 0:09:03]} (18... Nxe5 $16 {keeps fighting.} 19. Bxe5 Bxc6 20. Bxg7 Kxg7) 19. Nxe5 $18 {[%emt 0:07:45]} Ba8 $2 {[%emt 0:04:19] [#]} (19... Bc8 $16) 20. Rc4 $1 {[%emt 0:04:20]} Qd5 {[%emt 0:00:15]} 21. Nxg4 {[%emt 0:01:58]} (21. Rxg4 $142 fxg4 22. Qxg4 (22. Nxg4 h5 $14)) 21... fxg4 {[%emt 0:00:11]} 22. Qxg4 {[%emt 0:00:21]} ({Not} 22. Rxg4 Qd2 23. Qxd2 Rxd2 $14) 22... b5 {[%emt 0:09:12]} 23. Re4 $40 {[%emt 0:01:47][%mdl 128] White goes for the king.} ({Better is} 23. Rc2 $18) 23... Rde8 {[%emt 0:01:47]} (23... Qf5 $16 {was worth a try.}) 24. Rd4 {[%emt 0:01:34]} Qxc6 {[%emt 0:00:03]} (24... Qf5 $16 25. Qh4 e5) 25. Rc1 {[%emt 0:00:08]} Qb7 {[%emt 0:00:44]} 26. Rd7 {[%emt 0:01:23]} Rf7 {[%emt 0:00:05] Against Rg7+} 27. Rxf7 {[%emt 0:00:45]} Kxf7 {[%emt 0:00:01]} 28. Qf4+ {[%emt 0:00:17]} Kg8 {[%emt 0:00:11][%csl Ga8][%cal Rb7g2]} 29. f3 {[%emt 0:00:05] Intending Qe5 and mate.} e5 {[%emt 0:02:28]} 30. Bxe5 {[%emt 0:01:37] Threatens to win with Qf6.} Rf8 {[%emt 0:00:22] Inhibits Qf6.} 31. Qh6 {[%emt 0:01:35][%csl Ge5][%cal Rh6g7]} Rf7 {[%emt 0:00:46] Against Qg7+} 32. Rd1 {[%emt 0:00:05] Prevents Qd5. Rd8+ would kill now.} Qc8 {[%emt 0:00:07] Inhibits Rd8+.} 33. Qg5 {[%emt 0:00:05] White threatens Rd8+ and mate.} Rf8 {[%emt 0:01:12] Prevents Rd8.} (33... Rd7 $18) 34. Qe7 {[%emt 0:00:07] Weighted Error Value: White=0.18 (very precise) /Black=0.79} 1-0

[Event "13th Chennai Open 2022"]
[Site "Chennai"]
[Date "2022.06.22"]
[Round "6.5"]
[White "Abdyjapar, Asyl"]
[Black "Nguyen, Duc Hoa"]
[Result "1/2-1/2"]
[ECO "A13"]
[WhiteElo "2346"]
[BlackElo "2398"]
[Annotator "TA"]
[PlyCount "112"]
[EventDate "2022.06.19"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 14,112,17,17,39,12,4,-30,-27,-9,0,-16,-27,-55,-55,-67,-60,-65,-57,-78,-69,-74,-78,-85,-69,-94,-94,-107,-40,-33,-30,-14,-13,-10,-28,-128,-123,-129,-117,-136,-131,-140,-131,-141,-152,-131,-32,-31,-40,-126,-112,-100,-95,-114,-22,-12,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,8,8,8,8,8,8,8,8,47,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8]} 1. c4 {[%emt 0:00:14]} Nf6 {[%emt 0:04:44]} 2. g3 {[%emt 0:00:12]} e6 {[%emt 0:01:50]} 3. Bg2 {[%emt 0:00:09]} d5 {[%emt 0:00:08]} 4. Nf3 {[%emt 0:00:04]} d4 {[%emt 0:00:56]} 5. O-O {[%emt 0:00:30]} c5 {[%emt 0:00:09]} 6. e3 {[%emt 0:02:25]} Nc6 {[%emt 0:00:14]} 7. exd4 {[%emt 0:00:22]} cxd4 {[%emt 0:00:09]} 8. d3 {[%emt 0:00:25]} Bd6 {[%emt 0:01:35] A13: English Opening: 1...e6.} 9. a3 {[%emt 0:05:51]} a5 {[%emt 0:00:27]} 10. Qe2 {[%emt 0:01:14]} h6 {[%emt 0:05:08] Black has an edge.} 11. Nbd2 {[%emt 0:00:20]} O-O {[%emt 0:00:12]} 12. Rb1 {[%emt 0:00:12] [#]} Re8 $146 {[%emt 0:03:53]} ({Predecessor:} 12... e5 13. Ne1 Bf5 14. Nc2 a4 15. b4 axb3 16. Rxb3 Qc7 17. Ne4 Nxe4 18. Bxe4 Bxe4 19. Qxe4 {0-1 (38) Kreisl,R (2408)-Volke,K (2459) Rhodes 2013}) 13. Ne1 {[%emt 0:00:13]} e5 {[%emt 0:00:53]} 14. Nc2 {[%emt 0:00:29]} Bg4 {[%emt 0:05:02][%cal Bc8g4,Bg4h5,Bh5g6][%mdl 32]} 15. f3 {[%emt 0:03:10]} Bh5 {[%emt 0:02:11][%cal Oe5e4]} 16. g4 {[%emt 0:03:20]} Bg6 {[%emt 0:00:26]} 17. Ne4 {[%emt 0:00:17]} Be7 {[%emt 0:01:43]} 18. Bd2 {[%emt 0:07:37]} Qd7 {[%emt 0:06:27]} 19. h3 {[%emt 0:02:23]} Nd8 {[%emt 0:05:46]} 20. Nf2 {[%emt 0:06:59]} Nh7 {[%emt 0:01:53]} (20... Bd6 $17) 21. Rfe1 $15 {[%emt 0:03:51]} (21. Qxe5 $2 Bg5 22. Qxd4 Qxd4 23. Nxd4 Bxd2 $19) 21... Nc6 {[%emt 0:07:38]} (21... Ne6 $5 {[%cal Re7h4]}) 22. b4 $1 {[%emt 0:04:43]} axb4 {[%emt 0:01:41]} 23. axb4 {[%emt 0:02:15]} Ra2 {[%emt 0:15:18]} 24. b5 {[%emt 0:02:59]} (24. Qd1 $11 {remains equal.}) 24... Rxc2 $17 {[%emt 0:02:23]} 25. bxc6 {[%emt 0:00:05]} bxc6 {[%emt 0:00:12] [#] And now ...Bg5 would win.} ({Don't do} 25... Qxc6 26. Qd1 Rxd2 27. Qxd2 $16) 26. f4 {[%emt 0:04:34] Against Bg5} exf4 {[%emt 0:03:29]} 27. Qd1 {[%emt 0:04:05]} Ra2 {[%emt 0:01:02] White must now prevent ...Bh4.} 28. Bxf4 {[%emt 0:00:09]} Rea8 {[%emt 0:09:14]} 29. Re2 {[%emt 0:00:46]} Bd6 {[%emt 0:02:44]} (29... Bh4 $17 {Threatens to win with ...Ng5.} 30. Ne4 Rxe2 31. Qxe2 Qe7) 30. Rxa2 $1 $15 {[%emt 0:01:41]} Rxa2 {[%emt 0:00:06]} 31. Qf3 {[%emt 0:01:05]} (31. Bxd6 $1 $15 Qxd6 32. Qb3) 31... Ng5 {[%emt 0:05:24]} 32. Qg3 {[%emt 0:02:35]} Bxf4 {[%emt 0:00:38]} 33. Qxf4 {[%emt 0:00:07]} Ne6 {[%emt 0:02:36]} (33... Qe7 $17 {aiming for ...Qe3.} 34. h4 (34. Qb8+ $2 Kh7 $19) 34... Qe3 35. Qxe3 dxe3) 34. Qb8+ $11 {[%emt 0:02:57]} Kh7 {[%emt 0:00:37] ...Qe7 is the strong threat.} 35. Rb7 {[%emt 0:00:40]} Qd8 {[%emt 0:02:06]} 36. Qxd8 {[%emt 0:00:08]} Nxd8 {[%emt 0:00:02]} 37. Rd7 {[%emt 0:00:29][%csl LRd4,LRd8]} Ne6 {[%emt 0:00:21]} 38. Bxc6 {[%emt 0:01:35]} Nf4 {[%emt 0:00:19]} 39. Bf3 {[%emt 0:00:37]} Ra1+ {[%emt 0:07:15]} 40. Kh2 {[%emt 0:00:30]} Ra3 {[%emt 0:00:17]} 41. Rxd4 {[%emt 0:01:41]} Nxd3 {[%emt 0:00:09]} 42. Nxd3 {[%emt 0:00:40]} Rxd3 {[%emt 0:00:06]} 43. Rxd3 {[%emt 0:00:42]} Bxd3 {[%emt 0:00:05][%mdl 4096] Endgame KB-KB} 44. c5 {[%emt 0:00:58][%cal Bc4c5,Bc5c6,Bc6c7][%mdl 32]} Ba6 {[%emt 0:01:03]} 45. Ba8 {[%emt 0:00:28]} g6 {[%emt 0:01:44]} 46. c6 {[%emt 0:00:17]} f5 {[%emt 0:01:02]} 47. gxf5 {[%emt 0:03:07]} ({Not} 47. Bb7 Bb5 48. c7 Bd7 $18) 47... gxf5 {[%emt 0:00:06]} 48. Kg3 {[%emt 0:00:07]} Kg6 {[%emt 0:00:30]} 49. Kf4 {[%emt 0:00:12] Hoping for Ke5.} Kf6 {[%emt 0:00:09] The position is equal.} 50. Bb7 {[%emt 0:00:25]} Bb5 {[%emt 0:00:13]} 51. c7 {[%emt 0:00:12]} Bd7 {[%emt 0:00:04]} 52. h4 {[%emt 0:00:31]} Be6 {[%emt 0:00:27]} 53. h5 {[%emt 0:01:25]} Bd7 {[%emt 0:00:09]} 54. Ba6 {[%emt 0:00:16]} Be6 {[%emt 0:00:11] [#]} 55. Bc4 $1 {[%emt 0:00:25] Bxe6 would kill now.} Bc8 {[%emt 0:00:09]} 56. Bd5 {[%emt 0:00:04]} Bd7 {[%emt 0:00:16] Weighted Error Value: White=0.12 (very precise) /Black=0.12 (very precise)} 1/2-1/2

[Event "13th Chennai Open 2022"]
[Site "Chennai"]
[Date "2022.06.22"]
[Round "6.6"]
[White "Aronyak Ghosh"]
[Black "Murali Krishnan B T"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "2494"]
[BlackElo "2208"]
[Annotator "TA"]
[PlyCount "29"]
[EventDate "2022.06.19"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 9,29,33,42,26,31,26,35,27,20,17,16,27,16,16,24,14,29,7,17,7,14,19]} 1. d4 {[%emt 0:02:29]} d5 {[%emt 0:00:43]} 2. Bf4 {[%emt 0:00:19]} c6 {[%emt 0:02:16]} 3. e3 {[%emt 0:00:22]} Qb6 {[%emt 0:01:18]} 4. Qc1 {[%emt 0:00:45]} Bf5 {[%emt 0:01:58]} 5. c4 {[%emt 0:00:42]} Nf6 {[%emt 0:11:48]} 6. Nc3 {[%emt 0:00:20] D00: 1 d4 d5: Unusual lines.} Nbd7 {[%emt 0:01:02]} 7. Nf3 {[%emt 0:02:27]} e6 {[%emt 0:02:06]} 8. c5 {[%emt 0:05:06] White is slightly better.} Qd8 {[%emt 0:01:55]} 9. h3 {[%emt 0:00:23]} Ne4 {[%emt 0:03:17]} 10. b4 {[%emt 0:01:44]} g5 {[%emt 0:05:43]} 11. Bh2 {[%emt 0:06:50]} Bg7 {[%emt 0:00:50]} 12. Nxe4 {[%emt 0:01:28]} Bxe4 {[%emt 0:00:32] [#]} 13. Nd2 $146 {[%emt 0:02:12]} ({Predecessor:} 13. Bd6 Bf8 14. Bg3 Bg7 15. Qc3 O-O 16. Be2 e5 17. O-O Bxf3 18. Bxf3 f5 19. Bh2 exd4 20. exd4 {½-½ (41) Pappier,C (2495)-Poludnyakov,V (2388) ICCF email 2012}) 13... Bg6 {[%emt 0:01:10]} 14. Bd6 {[%emt 0:07:33]} Bf8 {[%emt 0:12:17]} 15. Bg3 {[%emt 0:00:30][%mdl 32768] Weighted Error Value: White=0.06 (flawless) /Black=0.00 (flawless) . Loss on time!?} 1-0

[Event "13th Chennai Open 2022"]
[Site "Chennai"]
[Date "2022.06.22"]
[Round "6.7"]
[White "Deepan Chakkravarthy J."]
[Black "Sonwani, Yashpal Singh"]
[Result "1-0"]
[ECO "A16"]
[WhiteElo "2478"]
[Annotator "TA"]
[PlyCount "101"]
[EventDate "2022.06.19"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 9,101,0,0,8,23,-15,0,0,41,10,31,42,49,58,108,113,109,97,94,104,141,139,197,139,136,137,134,133,134,141,144,143,147,153,159,155,161,156,154,157,245,250,257,247,268,265,281,260,260,248,251,195,199,197,245,214,252,283,288,285,264,257,294,304,318,314,342,296,362,354,347,334,390,344,347,321,652,649,685,698,693,671,562,541,925,956,1465,1400,1725,1663,29979,29980,29972,2693]} 1. c4 {[%emt 0:00:04]} Nf6 {[%emt 0:00:34]} 2. Nc3 {[%emt 0:00:04]} b6 {[%emt 0:02:28]} 3. e4 {[%emt 0:03:57][%cal Be2e4,Be4e5][%mdl 32]} Bb7 {[%emt 0:04:10]} 4. e5 {[%emt 0:02:32]} Ne4 {[%emt 0:00:16]} 5. Nxe4 {[%emt 0:03:35]} Bxe4 {[%emt 0:00:05]} 6. Qg4 {[%emt 0:00:03] A16: English Opening: 1...Nf6 with ...d5.} Bg6 {[%emt 0:11:47]} 7. Nf3 {[%emt 0:00:32]} Nc6 {[%emt 0:01:07] [#]} 8. Be2 $146 {[%emt 0:07:50] The position is equal.} ({Predecessor:} 8. a3 a5 9. Be2 e6 10. O-O d6 11. d4 dxe5 12. dxe5 Bc5 13. Bg5 h5 14. Qf4 {1-0 (22) Dargel,M (2260)-Ratzmann,S (1835) Goch 2007}) 8... d6 {[%emt 0:08:22]} 9. d4 {[%emt 0:11:50]} (9. Bd1 $5 {[%cal Rd1a4]} Nb4 10. O-O $14) 9... dxe5 {[%emt 0:01:21][%cal Rc6d4]} 10. d5 {[%emt 0:11:44]} Nd4 11. Nxe5 Nxe2 (11... Nc2+ $14 12. Kf1 Nxa1) 12. Qxe2 $16 {[%emt 0:19:41]} e6 {[%emt 0:53:17]} 13. O-O {[%emt 0:01:38] [#] Threatens to win with dxe6.} Bd6 14. dxe6 {[%emt 0:01:34] White is more active.} Bxe5 {[%emt 0:03:41]} 15. Qxe5 {[%emt 0:01:42]} Qd6 {[%emt 0:07:17]} (15... Qe7 $16) 16. exf7+ {[%emt 0:10:48]} (16. Qxg7 $18 O-O-O 17. Bg5 (17. exf7 Rhf8 $16)) 16... Kxf7 {[%emt 0:00:04] [#]} 17. Qxd6 {[%emt 0:00:04]} cxd6 {[%emt 0:00:13]} 18. Rd1 {[%emt 0:00:03] Prevents Bd3.} Rhe8 {[%emt 0:01:11]} 19. Be3 {[%emt 0:00:07]} Re6 {[%emt 0:00:18]} 20. Rd2 {[%emt 0:00:18]} Rc8 {[%emt 0:00:21]} 21. b3 {[%emt 0:00:03]} Be4 {[%emt 0:00:31]} 22. Bf4 {[%emt 0:01:33]} Rd8 {[%emt 0:02:13]} 23. f3 {[%emt 0:00:08]} Bc6 {[%emt 0:00:14]} 24. Rad1 {[%emt 0:00:04]} g5 {[%emt 0:01:40]} (24... b5 $16 25. cxb5 (25. Bxd6 bxc4 26. bxc4 Ba4 $16) 25... Bxb5) 25. Bxg5 $18 {[%emt 0:02:57]} Rg8 {[%emt 0:00:06]} 26. Bh4 {[%emt 0:00:03]} ({Stronger than} 26. Rxd6 Rxg5 27. Kf2 Rg7 $15) 26... Reg6 {[%emt 0:01:08]} 27. Bg3 {[%emt 0:01:14]} h5 {[%emt 0:00:23][%cal Oh5h4]} 28. Kf1 {[%emt 0:01:33]} b5 {[%emt 0:00:48]} 29. Rxd6 {[%emt 0:00:24]} bxc4 {[%emt 0:00:13]} 30. Rxg6 {[%emt 0:00:12]} Rxg6 {[%emt 0:00:03]} 31. bxc4 {[%emt 0:00:03][%mdl 4096] Endgame KRB-KRB} Ke7 {[%emt 0:00:47]} (31... Rg5 $142 32. Bf2 Ra5) 32. Kf2 {[%emt 0:00:45]} Bd7 {[%emt 0:00:20]} 33. Bh4+ {[%emt 0:02:03]} Ke8 {[%emt 0:00:18]} 34. Rd5 {[%emt 0:02:05]} Ra6 {[%emt 0:00:25]} 35. Re5+ {[%emt 0:00:01]} Kf8 {[%emt 0:00:08]} 36. a3 {[%emt 0:00:22]} ({But not} 36. Rxh5 Rxa2+ 37. Kg3 a5 38. Rh8+ Kg7) 36... Be6 {[%emt 0:00:24]} 37. c5 {[%emt 0:02:59]} ({Much less strong is} 37. Rxh5 Rxa3 38. c5 Ra2+ 39. Kg3 Rc2) 37... Bf7 {[%emt 0:00:03]} 38. Re3 {[%emt 0:00:17]} Be6 {[%emt 0:00:54]} 39. Bg3 {[%emt 0:00:48]} Kf7 {[%emt 0:00:04]} 40. Bd6 {[%emt 0:00:38]} h4 {[%emt 0:00:43]} 41. Rc3 {[%emt 0:03:10]} Bd5 {[%emt 0:00:14]} 42. g4 {[%emt 0:00:09]} Bc6 $2 {[%emt 0:00:59]} (42... hxg3+ 43. hxg3 Ra4) 43. Kg2 {[%emt 0:00:13]} Ra4 {[%emt 0:01:29]} 44. Kh3 {[%emt 0:00:03]} Rd4 {[%emt 0:00:36]} 45. Kxh4 {[%emt 0:00:04]} Rd2 {[%emt 0:00:23]} 46. h3 {[%emt 0:00:15]} a5 {[%emt 0:00:25]} 47. f4 {[%emt 0:00:05][%cal Bf3f4,Bf4f5][%mdl 32]} a4 {[%emt 0:00:16]} 48. Kg5 {[%emt 0:00:03]} Rb2 {[%emt 0:01:12]} 49. f5 {[%emt 0:00:07]} Rb3 {[%emt 0:00:55]} 50. Rxb3 {[%emt 0:00:06]} axb3 {[%emt 0:00:05]} 51. Be5 {[%emt 0:00:02] Weighted Error Value: White=0.08 (flawless) /Black=0.34} 1-0

[Event "13th Chennai Open 2022"]
[Site "Chennai"]
[Date "2022.06.22"]
[Round "6.8"]
[White "Ajay Karthikeyan"]
[Black "Tiwari, Arjun"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "2436"]
[BlackElo "2163"]
[Annotator "TA"]
[PlyCount "121"]
[EventDate "2022.06.19"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 9,121,7,22,14,29,33,40,22,35,33,39,0,0,0,0,-16,32,35,28,21,45,0,28,14,11,8,26,36,36,45,78,52,66,41,41,29,26,20,11,16,24,0,49,0,0,0,0,0,0,-3,6,4,8,2,82,104,109,82,754,0,0,0,10,-91,0,-43,0,0,237,0,0,0,0,0,0,0,36,0,5,7,28,22,90,10,27,0,19,29,47,55,324,9,16,19,41,36,933,933,893,892,798,162,29973,29973,29968,29969,29981,29982,29982,29983,29992,29993,29996,29997]} 1. d4 {[%emt 0:00:07]} Nf6 {[%emt 0:01:44]} 2. Nf3 {[%emt 0:00:34]} g6 {[%emt 0:00:28]} 3. Nbd2 {[%emt 0:00:21]} d5 {[%emt 0:00:27]} 4. b4 {[%emt 0:00:09]} Bg7 {[%emt 0:00:08]} 5. e3 {[%emt 0:00:21]} O-O {[%emt 0:05:00]} 6. Bb2 {[%emt 0:01:34] D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4.} Bf5 {[%emt 0:02:37]} 7. c4 {[%emt 0:00:56]} Ne4 {[%emt 0:12:48] [#]} 8. cxd5 $146 {[%emt 0:11:26] White is slightly better.} ({Predecessor:} 8. Qb3 a5 9. a3 axb4 10. axb4 Rxa1+ 11. Bxa1 dxc4 12. Bxc4 Nd6 13. Be2 Nd7 14. O-O c6 15. d5 Bxa1 16. Rxa1 cxd5 17. Qxd5 Qb6 18. Qd4 Rc8 19. h3 Be6 {0-1 (19) Cyborowski,L (2548)-Sadzikowski,D (2448) Wroclaw 2013}) 8... Qxd5 {[%emt 0:01:00]} 9. Bc4 {[%emt 0:01:02]} Qd6 {[%emt 0:00:55]} 10. Qb3 {[%emt 0:01:50]} Nxd2 {[%emt 0:03:59]} 11. Nxd2 {[%emt 0:01:13]} Nc6 {[%emt 0:01:34]} 12. a3 {[%emt 0:01:08]} e5 {[%emt 0:06:02]} (12... a5 $1 $11) 13. d5 $14 {[%emt 0:00:21]} Ne7 {[%emt 0:00:24]} 14. e4 {[%emt 0:00:44]} Bd7 {[%emt 0:00:45]} 15. Be2 {[%emt 0:01:42]} b5 {[%emt 0:00:50] Inhibits Nc4.} (15... c6 $5 {[%cal Rc6d5]}) 16. Rd1 {[%emt 0:02:25]} c6 {[%emt 0:02:47]} 17. dxc6 {[%emt 0:01:43]} Qxc6 {[%emt 0:04:31]} 18. Qg3 {[%emt 0:13:03]} Rfe8 {[%emt 0:02:49]} 19. Nb3 {[%emt 0:05:50]} (19. Bxe5 $2 Nf5 $1 {[%mdl 512]} 20. Qd3 Rxe5 $19) 19... Qc7 {[%emt 0:23:38]} 20. Nc5 {[%emt 0:01:01]} Bc6 {[%emt 0:00:01]} 21. O-O {[%emt 0:05:18] 0x0.00166d62a0c0dp-1022s more active pieces. The black rooks are badly placed.} (21. h4 $5 {[%cal Rh4h5]}) 21... a5 {[%emt 0:00:22]} 22. Rd2 {[%emt 0:02:38]} Nc8 {[%emt 0:03:14]} 23. Rfd1 {[%emt 0:06:54]} axb4 {[%emt 0:02:47]} 24. axb4 {[%emt 0:01:12]} Nb6 {[%emt 0:00:47]} 25. h4 {[%emt 0:02:32]} Na4 {[%emt 0:01:57]} (25... Nc4 $11) 26. Qe3 {[%emt 0:05:57]} (26. Nxa4 $1 $14 {deserves consideration.} bxa4 27. b5 Bxe4 28. Qe3) 26... Nxc5 {[%emt 0:02:04]} 27. Qxc5 {[%emt 0:00:02]} Bf8 {[%emt 0:00:20]} 28. Qc3 {[%emt 0:03:45]} Qb7 {[%emt 0:00:07]} 29. Qb3 {[%emt 0:00:21]} Ra7 {[%emt 0:03:53]} 30. h5 {[%emt 0:02:07]} Ra4 {[%emt 0:05:31]} 31. Bc3 {[%emt 0:02:48]} Be7 {[%emt 0:01:37]} (31... Qc7 $11) 32. hxg6 {[%emt 0:00:29]} (32. Bxe5 $6 Rxb4 33. Qh3 Rxe4 34. hxg6 fxg6 $11) 32... hxg6 {[%emt 0:00:01]} 33. Bxe5 {[%emt 0:00:53]} Bg5 $2 {[%emt 0:04:01][%mdl 8192] [#]} (33... Rxb4 $16 34. Qh3 Bh4) 34. f4 $2 {[%emt 0:04:14]} (34. Rd5 Bxd5 35. Rxd5 Qe7 $14) ({White must play} 34. Bb2 $1 $18 Bf4 (34... Bxd2 35. Rxd2) 35. Rd6 $1 {[%mdl 512]} Bxd6 36. Rxd6) 34... Rxe5 $1 $11 {[%emt 0:00:23][%mdl 64] Pin} 35. fxg5 {[%emt 0:01:14]} Qb6+ {[%emt 0:00:52]} (35... Rxg5 $2 36. Rd8+ Kg7 37. Qh3 $18) 36. Kh1 {[%emt 0:00:47]} (36. Kf1 $11 {remains equal.} Qb7 37. Bf3) 36... Ra8 {[%emt 0:00:08]} (36... Rxe4 $17 {( -> ...Rh4+)} 37. Bg4 (37. Rd8+ Be8 $17) 37... Ra8) 37. Qg3 {[%emt 0:00:43]} Rae8 {[%emt 0:02:12]} 38. Rd6 {[%emt 0:00:22] Threatens to win with Rc1.} Kg7 $2 {[%emt 0:00:38]} (38... Rxe4 $11 39. Bf3 Rc4) 39. R1d4 $2 {[%emt 0:01:24]} (39. Bg4 $1 $18) 39... Rh8+ {[%emt 0:01:58]} 40. Kg1 {[%emt 0:00:23]} Rxe4 {[%emt 0:01:05]} 41. Qf2 {[%emt 0:00:47] The board is on fire.} Rxd4 {[%emt 0:01:33]} 42. Rxd4 {[%emt 0:00:57]} Be8 {[%emt 0:01:07]} (42... Qc7 $2 43. Qf6+ Kg8 44. Rd8+ Qxd8 45. Qxd8+ $18) 43. Bg4 {[%emt 0:02:45]} Rh4 {[%emt 0:01:10][%cal Oe8d7]} 44. g3 {[%emt 0:00:12]} (44. Qxh4 $2 {is the wrong capture.} Qxd4+ 45. Kh2 Qxb4 $19) 44... Rh7 {[%emt 0:00:14]} 45. Bf3 {[%emt 0:02:26]} Kf8 {[%emt 0:00:28]} (45... Qc7 $11 {keeps the balance.}) 46. Qe3 {[%emt 0:04:09]} (46. Rh4 $16 Qxf2+ 47. Kxf2) 46... Qa7 {[%emt 0:00:39]} 47. Re4 {[%emt 0:04:02]} (47. Qf4 {is interesting.} f5 48. Kg2 Qc7 49. g4) 47... Qxe3+ {[%emt 0:01:32]} 48. Rxe3 {[%emt 0:00:01][%mdl 4096] Endgame KRB-KRB} f6 {[%emt 0:00:45]} 49. gxf6 {[%emt 0:00:19] Strongly threatening Rd3.} Rc7 $2 {[%emt 0:00:07][%mdl 8192] [#]} (49... Ra7 $1 $14) 50. Bd5 $2 {[%emt 0:01:56]} (50. Rd3 $1 $18 {[%cal Rd3d8]}) 50... Bf7 {[%emt 0:00:43]} 51. Re5 {[%emt 0:02:01]} Rc3 {[%emt 0:00:41] Against Bf3} 52. Kf2 {[%emt 0:00:24] g4 is the strong threat.} Be8 $2 {[%emt 0:00:24][%mdl 8192]} (52... Bxd5 $14 53. Rxd5 Kf7) 53. Re7 $18 {[%emt 0:03:10] Intending Rh7 and mate.} Rd3 {[%emt 0:00:11] [#]} 54. Be6 $1 {[%emt 0:00:32] White threatens Rh7 and mate.} Rd6 {[%emt 0:00:39]} 55. Kf3 $2 {[%emt 0:01:41]} (55. Ke3 {Kf4 would kill now.} Bc6 56. Kf4 Rxe6 57. Rxe6) 55... Rd1 $2 {[%emt 0:00:19]} (55... Bd7 $18) 56. Kf4 {[%emt 0:00:54] White mates.} Re1 {[%emt 0:00:46]} 57. g4 {[%emt 0:00:24][%cal Bg3g4,Bg4g5][%mdl 32]} Rf1+ {[%emt 0:00:46]} 58. Ke5 {[%emt 0:00:37]} Re1+ {[%emt 0:00:03]} 59. Kd6 {[%emt 0:00:18]} Rh1 {[%emt 0:00:34]} 60. Rg7 {[%emt 0:00:25][%csl Ge6][%cal Rg7g8]} Rh8 {[%emt 0:00:30]} 61. g5 {[%emt 0:00:13] Weighted Error Value: White=0.59/Black=0.46} 1-0

[Event "13th Chennai Open 2022"]
[Site "Chennai"]
[Date "2022.06.22"]
[Round "6.9"]
[White "Srihari L R"]
[Black "Manigandan, S S"]
[Result "1-0"]
[ECO "A15"]
[WhiteElo "2404"]
[BlackElo "2122"]
[Annotator "TA"]
[PlyCount "81"]
[EventDate "2022.06.19"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 11,81,1,15,10,10,3,33,20,28,17,12,18,33,3,12,0,0,-4,3,-9,-20,-7,4,10,25,15,18,12,33,27,28,31,35,42,61,90,87,50,120,115,200,194,202,208,197,207,201,204,217,214,260,239,296,308,481,471,531,516,579,478,597,599,534,497,621,579,542,452,443,468,747,724]} 1. Nf3 {[%emt 0:00:19]} Nf6 {[%emt 0:00:11]} 2. c4 {[%emt 0:00:07]} g6 {[%emt 0:01:32]} 3. b4 {[%emt 0:02:30]} Bg7 {[%emt 0:03:17]} 4. Bb2 {[%emt 0:00:11]} O-O {[%emt 0:06:12]} 5. e3 {[%emt 0:00:14]} b6 {[%emt 0:00:40]} 6. Be2 {[%emt 0:02:16]} Bb7 {[%emt 0:04:44]} 7. O-O {[%emt 0:07:15] A15: English Opening: 1...Nf6.} c5 {[%emt 0:03:30]} 8. a3 {[%emt 0:03:23] is the legacy move (8.b5).} d5 {[%emt 0:01:23]} 9. cxd5 {[%emt 0:02:52] [#] White is slightly better.} Qxd5 $146 {[%emt 0:02:19]} ({Predecessor:} 9... Nbd7 10. bxc5 Nxc5 11. d4 Nce4 12. Ne5 Nxd5 13. f3 Nxe3 14. Qc1 Nxf1 15. fxe4 Nxh2 16. Kxh2 Bxe4 {½-½ (34) Pal,P (2166)-Bubits,B (1971) Zalakaros 2008}) 10. Nc3 {[%emt 0:00:47]} Qf5 {[%emt 0:03:28]} 11. bxc5 {[%emt 0:06:03]} bxc5 {[%emt 0:01:45]} 12. Qb3 {[%emt 0:03:44]} Bc6 {[%emt 0:02:01]} 13. Rac1 {[%emt 0:15:37]} Nbd7 14. Qc2 Rab8 15. Ba1 {[%emt 0:11:36]} Qxc2 {[%emt 0:20:00]} 16. Rxc2 {[%emt 0:00:08]} e5 {[%emt 0:00:05]} 17. d3 {[%emt 0:04:34]} Rb3 {[%emt 0:25:03]} 18. Ra2 {[%emt 0:04:38]} Nd5 {[%emt 0:18:47]} 19. Ne4 {[%emt 0:02:14]} Rbb8 {[%emt 0:03:10]} 20. Rc1 {[%emt 0:01:15]} Ba4 {[%emt 0:01:40]} 21. Nfd2 {[%emt 0:02:10]} Rfc8 {[%emt 0:00:31]} 22. Bf3 {[%emt 0:00:48] Hoping for Nd6.} N5f6 {[%emt 0:00:39]} 23. Nd6 {[%emt 0:01:20]} Rc7 {[%emt 0:00:29]} 24. Bc3 {[%emt 0:00:26]} Bf8 {[%emt 0:00:17] White leaves nothing to chance now.} (24... Ne8 $14 25. N6c4 Bc6) 25. N6c4 $16 {[%emt 0:00:12] White is more active.} Bb3 {[%emt 0:00:45]} (25... Bg7 $16 {was necessary.} 26. h4 (26. Nxe5 Ne4 $16) 26... h5) 26. Rb2 $18 {[%emt 0:00:38]} Bxc4 {[%emt 0:00:20]} 27. Rxb8 {[%emt 0:00:06]} ({Don't play} 27. dxc4 $6 Rxb2 28. Bxb2 Ne8 $14) 27... Nxb8 {[%emt 0:00:12]} 28. Bxe5 {[%emt 0:00:32]} ({Much less strong is} 28. dxc4 $6 Nc6 29. Rb1 Nd7 $16) 28... Rc8 {[%emt 0:00:42][%cal Oc4d3]} 29. Nxc4 {[%emt 0:00:07]} Nbd7 {[%emt 0:00:09]} 30. Bf4 {[%emt 0:00:34]} h6 {[%emt 0:00:29]} 31. h4 {[%emt 0:00:14]} Rd8 {[%emt 0:00:13]} 32. Rb1 {[%emt 0:00:23]} Kg7 {[%emt 0:01:19]} (32... Nb6 {was called for.} 33. Nxb6 axb6 34. Rxb6 Nh5) 33. Bc7 {[%emt 0:00:26] White is clearly winning.} Rc8 {[%emt 0:00:28]} 34. Rb7 {[%emt 0:00:06]} a6 {[%emt 0:00:17]} 35. Kf1 {[%emt 0:00:12]} g5 {[%emt 0:00:09]} 36. hxg5 {[%emt 0:00:06]} hxg5 {[%emt 0:00:02]} 37. g4 {[%emt 0:00:11]} Re8 {[%emt 0:01:21]} 38. Ra7 {[%emt 0:00:35]} Re6 {[%emt 0:00:18]} 39. Ba5 {[%emt 0:00:26]} Nb8 {[%emt 0:00:24]} 40. Bc3 {[%emt 0:00:17] [#] Black must now prevent Rb7. This bishop pair is nice.} Kg6 {[%emt 0:00:56]} (40... Kg8 $142 41. Bb2 Nfd7) 41. Ne5+ {[%emt 0:00:06] Weighted Error Value: White=0.12 (very precise) /Black=0.31} 1-0

[Event "13th Chennai Open 2022"]
[Site "Chennai"]
[Date "2022.06.22"]
[Round "6.10"]
[White "Harsh Suresh"]
[Black "Chaithanyaa, K G"]
[Result "1/2-1/2"]
[ECO "B23"]
[WhiteElo "2392"]
[Annotator "TA"]
[PlyCount "93"]
[EventDate "2022.06.19"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 9,93,0,0,0,66,66,93,101,93,96,138,139,133,143,141,139,204,212,210,204,201,200,224,217,240,244,216,158,173,155,152,141,182,172,170,168,203,196,193,202,212,117,122,122,106,0,58,44,45,45,45,45,45,45,45,45,45,45,45,0,8,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 {[%emt 0:00:02]} c5 {[%emt 0:00:12]} 2. Nc3 {[%emt 0:00:02]} Nc6 {[%emt 0:00:18]} 3. Bb5 {[%emt 0:00:05]} Nd4 {[%emt 0:01:29]} 4. Bc4 {[%emt 0:00:02]} e6 {[%emt 0:00:21]} 5. Nge2 {[%emt 0:00:15]} Nf6 {[%emt 0:06:55]} 6. O-O {[%emt 0:00:20] B23: Closed Sicilian: Lines without g3.} d5 {[%emt 0:06:03]} (6... a6 $11) 7. exd5 $1 $14 {[%emt 0:01:02]} exd5 {[%emt 0:00:02] [#]} 8. Nxd5 {[%emt 0:00:19] White is better.} Nxd5 {[%emt 0:02:23]} 9. Nxd4 {[%emt 0:00:25]} Be7 {[%emt 0:06:45]} 10. Qf3 {[%emt 0:13:38]} cxd4 {[%emt 0:02:44]} 11. Bxd5 {[%emt 0:00:05][%cal Bc4d5,Bd5b7,Bb7e4][%mdl 32]} O-O {[%emt 0:00:14] [#]} 12. c4 $146 {[%emt 0:07:36] White is more active.} (12. Bxb7 Bxb7 13. Qxb7 Rc8 $16) ({Predecessor:} 12. d3 Qb6 13. Re1 Bf6 14. Bg5 Be6 15. Bxb7 Bxg5 16. Bxa8 Qxb2 17. Bd5 Qxc2 18. Rxe6 {1-0 (18) Li,H (2219)-Homer,S (2066) England 2018}) 12... Be6 {[%emt 0:10:37]} (12... Rb8 $16 13. d3 b5) 13. Bxb7 $18 {[%emt 0:14:35]} Rb8 {[%emt 0:00:24]} 14. d3 {[%emt 0:06:49]} Bd6 {[%emt 0:06:02]} 15. Be4 Qa5 16. b3 {[%emt 0:12:55]} Rxb3 {[%emt 0:06:37]} 17. axb3 {[%emt 0:01:07]} Qxa1 {[%emt 0:00:02]} 18. Bf4 {[%emt 0:00:09]} Qa3 {[%emt 0:01:11]} 19. Bxd6 {[%emt 0:00:03]} Qxd6 {[%emt 0:00:02]} 20. Ra1 {[%emt 0:00:27]} Qb6 {[%emt 0:05:56]} 21. g4 {[%emt 0:11:52]} a5 22. h3 {[%emt 0:02:51]} g6 23. Qf6 {[%emt 0:06:18]} Qxb3 {[%emt 0:16:30]} 24. Qxd4 {[%emt 0:07:05]} (24. Rxa5 Qb1+ 25. Kg2 Bxc4 $16) 24... a4 {[%emt 0:01:53]} 25. Qa7 {[%emt 0:00:39]} (25. Qd6 $18) 25... f5 $16 {[%emt 0:01:11]} 26. gxf5 {[%emt 0:00:12]} gxf5 {[%emt 0:02:18] [#]} 27. Qe7 {[%emt 0:07:01]} Bxc4 {[%emt 0:02:55]} ({Black should play} 27... Qb2 $1 $11 28. Qxe6+ Kh8) 28. dxc4 {[%emt 0:06:45]} fxe4 $11 {[%emt 0:00:02][%mdl 4096] Endgame KQR-KQR} 29. Ra3 {[%emt 0:00:16]} Qd1+ {[%emt 0:02:29]} 30. Kg2 {[%emt 0:00:03] White wants to mate with Rg3+. The board is on fire.} Rf3 {[%emt 0:01:55]} 31. Qe8+ {[%emt 0:00:48]} Kg7 {[%emt 0:00:02]} 32. Qxa4 {[%emt 0:00:35]} Qxa4 {[%emt 0:02:14]} 33. Rxa4 $14 {[%emt 0:00:01] KR-KR} Rc3 {[%emt 0:00:01]} 34. Ra7+ {[%emt 0:00:32]} (34. c5 $5) 34... Kg6 {[%emt 0:00:05] The position is equal.} 35. Rc7 {[%emt 0:00:10]} e3 {[%emt 0:18:08]} 36. f4 {[%emt 0:02:00][%cal Bf2f4,Bf4f5,Bf5f6][%mdl 32]} e2 {[%emt 0:00:00]} ({Resist} 36... Rc2+ 37. Kf3 $16) 37. Kf2 {[%emt 0:00:15]} Rxh3 {[%emt 0:00:00]} 38. Kxe2 {[%emt 0:00:29]} Kf5 {[%emt 0:01:30]} 39. Rf7+ {[%emt 0:01:09]} Ke4 {[%emt 0:00:00]} 40. f5 {[%emt 0:00:28]} Rh2+ {[%emt 0:00:00]} 41. Kf1 {[%emt 0:00:32]} Kd4 {[%emt 0:00:00]} 42. f6 {[%emt 0:00:29] Black must now prevent Rd7+.} Rh5 {[%emt 0:00:00]} 43. Rf8 {[%emt 0:00:51] Threatens to win with f7.} Rf5+ {[%emt 0:00:00]} 44. Ke2 {[%emt 0:00:16] f7 is the strong threat.} Ke5 {[%emt 0:00:00]} 45. f7 {[%emt 0:00:47] Re8+ would kill now.} Ke6 {[%emt 0:00:00]} 46. Re8+ {[%emt 0:00:23]} Kxf7 {[%emt 0:00:00]} 47. Re3 {[%emt 0:00:01] Blacks defense is rewarded with a draw.  Weighted Error Value: White=0.09 (flawless) /Black=0.12 (very precise)} 1/2-1/2

[Event "13th Chennai Open 2022"]
[Site "Chennai"]
[Date "2022.06.22"]
[Round "6.11"]
[White "Ziatdinov, Raset"]
[Black "Gusain, Himal"]
[Result "1/2-1/2"]
[ECO "B08"]
[WhiteElo "2224"]
[BlackElo "2396"]
[Annotator "TA"]
[PlyCount "98"]
[EventDate "2022.06.19"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 11,98,38,39,42,33,28,44,27,39,39,59,39,59,39,45,33,58,7,25,35,15,-43,-52,-29,-40,-122,-131,-111,-62,-103,-16,-34,-7,-147,-37,-70,-82,-83,-90,-66,-91,-93,-72,-111,-42,-51,244,242,528,514,481,442,29979,29978,29992,1820,1114,975,29991,0,0,20,14,22,14,0,8,-13,0,-403,0,-401,0,-398,-359,-350,-69,-69,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 {[%emt 0:00:05]} d6 {[%emt 0:06:46]} 2. d4 {[%emt 0:01:55]} Nf6 {[%emt 0:01:02]} 3. Nc3 {[%emt 0:00:07]} g6 {[%emt 0:00:05]} 4. Nf3 {[%emt 0:00:59]} Bg7 {[%emt 0:00:08]} 5. Be2 {[%emt 0:00:04]} O-O {[%emt 0:00:35]} 6. O-O {[%emt 0:00:06]} c6 {[%emt 0:03:08]} 7. Qd2 {[%emt 0:01:54] B08: Pirc Defence: Classical System.} b5 {[%emt 0:02:35] [#]} 8. e5 $146 {[%emt 0:00:59]} ({Predecessor:} 8. a3 a5 9. e5 dxe5 10. Nxe5 Bb7 11. Bf3 Qc7 12. Qf4 Qc8 13. Re1 Nbd7 14. Qh4 Nxe5 15. dxe5 {0-1 (60) Ganzer,M-Henke,S GER email 2007}) 8... dxe5 {[%emt 0:01:07]} 9. Nxe5 {[%emt 0:00:07] White is slightly better.} Qb6 {[%emt 0:02:22]} 10. Bf3 {[%emt 0:03:47]} Rd8 {[%emt 0:01:15]} 11. Rd1 {[%emt 0:01:33]} Nd5 {[%emt 0:02:13]} 12. Nxd5 {[%emt 0:15:19]} cxd5 {[%emt 0:00:20]} 13. a4 {[%emt 0:00:47]} bxa4 {[%emt 0:01:10]} 14. c4 {[%emt 0:05:14]} ({White should play} 14. Rxa4 $14 Nc6 15. Nxc6 Qxc6 16. b3) 14... Bb7 {[%emt 0:02:35]} (14... Bxe5 $5 15. dxe5 Nc6 $11) 15. c5 {[%emt 0:01:25]} Qc7 {[%emt 0:00:22]} 16. Qf4 {[%emt 0:07:02]} (16. Rxa4 $11 a5 17. Ng4) 16... Bxe5 $15 {[%emt 0:04:39]} 17. dxe5 {[%emt 0:00:15]} Nd7 {[%emt 0:01:12]} 18. Qh6 {[%emt 0:05:13]} (18. Rxa4 $15 Nxc5 19. Ra3) 18... Nxc5 {[%emt 0:02:30]} 19. Bf4 {[%emt 0:19:59][%cal Oe5e6]} Qd7 {[%emt 0:09:29]} (19... Ne6 $1 $17 20. Bg4 Nxf4 21. Qxf4 Bc6) 20. Bg5 {[%emt 0:03:01][%cal Og5f6] aiming for Bf6!} Qe6 {[%emt 0:02:50] Prevents Bf6.} (20... d4 $17 {...Bxf3 is the strong threat.} 21. Be2 Qe6) 21. Qh4 $11 {[%emt 0:07:11]} Re8 {[%emt 0:01:19]} (21... Qxe5 22. Bxe7 Rdc8 23. Bf6 $14) 22. Qf4 {[%emt 0:03:25]} (22. Be3 $11 Ne4 23. Bd4) 22... Ne4 {[%emt 0:00:34]} (22... Qb6 $1 $17 {Strongly threatening ...d4.} 23. Qh4 d4 24. Qxd4 Bxf3 25. gxf3 Nb3 26. Qxb6 axb6) 23. Bg4 {[%emt 0:03:49]} Qb6 {[%emt 0:00:15]} 24. Bd7 {[%emt 0:00:37][%cal Bg4d7,Bd7a4,Ba4c2,Bc2g6][%mdl 32]} Red8 {[%emt 0:01:08]} (24... Qxb2 $6 25. Rdb1 Qd4 26. Bxe8 Rxe8 27. Bh6 $11) 25. Bxa4 {[%emt 0:00:31]} Nxg5 {[%emt 0:04:34]} 26. Qxg5 {[%emt 0:00:04]} e6 {[%emt 0:02:42]} 27. Ra3 {[%emt 0:01:14]} Qb4 {[%emt 0:00:47]} (27... Qxb2 $17 28. Raa1 a5) 28. h4 $15 {[%emt 0:02:28]} h5 $2 {[%emt 0:03:38][%mdl 8192]} (28... Qxb2 29. Rf3 Qb4 30. Rxf7 Kxf7 31. Qf6+ Kg8 32. Qxe6+ Kh8 33. Qf6+ Kg8 34. Qe6+ Kh8 35. Qf6+ Kg8 36. Qe6+ $11) (28... Rdc8 $1 $15) 29. Bc2 $1 $18 {[%emt 0:01:24]} Qxb2 $2 {[%emt 0:04:35] [#]} (29... Qg4 {keeps fighting.}) 30. Bxg6 $1 {[%emt 0:01:16][%cal Og5f6][%mdl 512] Intending Qf6! and mate.} Qxa3 {[%emt 0:00:04]} 31. Rd3 $1 {[%emt 0:01:10]} Qa1+ {[%emt 0:06:24]} (31... Qxd3 $18 32. Bxd3+ Kf8 33. Qxh5 Ke7 34. Qg5+ Kd7) 32. Kh2 {[%emt 0:00:07]} Rd7 {[%emt 0:00:03] [#]} 33. Rg3 {[%emt 0:01:37]} Kf8 {[%emt 0:02:42]} 34. Qf6 {[%emt 0:02:07]} Ke8 {[%emt 0:01:39] [#]} 35. Bd3 $2 {[%emt 0:04:02]} (35. Bxf7+ $1 {[%mdl 512] mates} Rxf7 36. Qxe6+ Kf8 37. Qh6+ Rg7 38. Qxg7+ Ke8 39. Qg6+ Kd7 40. Qd6+ Ke8 41. Qe6+ Kd8 42. Rg8+ Kc7 43. Qd6#) 35... Re7 $1 $11 {[%emt 0:03:20]} 36. Bb5+ {[%emt 0:00:28]} Kd8 {[%emt 0:00:05]} 37. Rg8+ {[%emt 0:01:07][%mdl 64] Deflection} Kc7 {[%emt 0:00:04]} 38. Qxe7+ {[%emt 0:00:20]} Kb6 {[%emt 0:00:03]} 39. Rg5 {[%emt 0:00:26] The board is on fire.} Qd4 {[%emt 0:01:36] White must now prevent ...Qc5.} 40. Be2 $2 {[%emt 0:02:46][%mdl 8192]} (40. Bd7 $1 $11 a5 41. Rg7 Qxe5+ 42. g3 Qxg7 43. Qd6+ Ka7 44. Qc5+ Kb8 45. Qd6+ Ka7 46. Qc5+ Kb8 47. Qd6+ Ka7) 40... Qxh4+ $19 {[%emt 0:01:46]} (40... Bc6 41. Rxh5 Qf4+ 42. Kg1 $11) 41. Kg1 {[%emt 0:00:03] [#] Hoping for Qd6+.} Bc6 $2 {[%emt 0:00:28]} (41... a5 $1 $19 42. Bf1 (42. Qd6+ $2 Bc6 $19) 42... Bc6) 42. g3 $2 {[%emt 0:01:35][%mdl 8192]} (42. Qa3 $1 $11 {and White has nothing to worry.} Qxg5 43. Qb4+ Kc7 44. Qd6+ Kb7 45. Qb4+ Kc8 46. Qc5) 42... Qe4 {[%emt 0:00:31]} 43. Bf1 {[%emt 0:00:46]} h4 {[%emt 0:02:27]} ({Black should try} 43... a5 $19 44. Rxh5 (44. Qxf7 $2 d4 $19) 44... d4) 44. Rg7 $1 $15 {[%emt 0:01:21]} a5 {[%emt 0:06:47]} ({Much worse is} 44... hxg3 45. Rxg3 Qa4 46. Qxf7 $11) (44... h3 $1 $15 45. Rxf7 h2+ 46. Kxh2 Rh8+ 47. Bh3 a5 48. Qxe6 Re8) 45. Rxf7 $11 {[%emt 0:00:25] And now Qc7+ would win. The position is equal.} Qxe5 {[%emt 0:00:03]} (45... hxg3 $5 46. Qc7+ Kc5 47. Qd6+ (47. fxg3 $2 Qe3+ 48. Rf2 Qxg3+ 49. Bg2 Qe3 $19) 47... Kd4 48. Qxc6 gxf2+ 49. Rxf2 Rg8+ 50. Bg2 Qe1+ 51. Rf1 Qe3+ 52. Rf2 Qe1+ 53. Rf1 Qe3+ 54. Rf2 Qe1+ $11) 46. Qa3 {[%emt 0:01:02]} hxg3 {[%emt 0:05:26]} 47. Qb3+ {[%emt 0:00:08]} Kc5 {[%emt 0:00:10]} 48. Qa3+ {[%emt 0:00:06]} Kb6 {[%emt 0:00:11] Threatens to win with ...gxf2+.} 49. Qb3+ {[%emt 0:00:05]} Kc5 {[%emt 0:00:05] Quite a comeback for White.  Weighted Error Value: White=0.54/Black=0.90} 1/2-1/2

[Event "13th Chennai Open 2022"]
[Site "Chennai"]
[Date "2022.06.22"]
[Round "6.12"]
[White "Pawar, Harshit"]
[Black "Rajesh, V A V"]
[Result "1/2-1/2"]
[ECO "C29"]
[WhiteElo "1961"]
[BlackElo "2358"]
[Annotator "TA"]
[PlyCount "60"]
[EventDate "2022.06.19"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 11,60,0,28,19,15,25,13,0,-2,0,16,18,21,4,0,0,6,6,13,0,18,11,26,24,50,16,31,25,18,29,35,5,16,0,52,5,41,0,0,0,49,48,49,41,63,43,66,33,30,0,0]} 1. e4 {[%emt 0:00:29]} e5 {[%emt 0:02:49]} 2. Nc3 {[%emt 0:00:02]} Nf6 {[%emt 0:01:00]} 3. f4 {[%emt 0:00:02]} d5 {[%emt 0:02:57]} 4. fxe5 {[%emt 0:00:02]} Nxe4 {[%emt 0:02:01]} 5. Qf3 {[%emt 0:00:02]} Nxc3 {[%emt 0:04:02]} 6. bxc3 {[%emt 0:00:02]} Qh4+ {[%emt 0:10:56] 6...c5 gains popularity.} 7. g3 {[%emt 0:00:02] C29: Vienna Game: 2...Nf6 3 f4.} Qe4+ {[%emt 0:02:32]} 8. Qxe4 {[%emt 0:00:18]} dxe4 {[%emt 0:00:05]} 9. d4 {[%emt 0:00:54]} exd3 $1 {[%emt 0:00:34]} 10. cxd3 {[%emt 0:00:14]} Bd7 {[%emt 0:09:17] [#] ...Bc6 is the strong threat.} 11. Bg2 {[%emt 0:00:28]} Bc6 {[%emt 0:03:53] [#]} 12. Bxc6+ $146 {[%emt 0:00:02]} ({Predecessor:} 12. Nf3 Nd7 13. O-O Be7 14. d4 Nb6 15. Bd2 Nc4 16. Rf2 O-O 17. Bf1 Bd5 18. Bf4 {0-1 (40) Wittmann,K (2066)-Sattler,S (2098) Mittelfranken 2019}) 12... Nxc6 {[%emt 0:00:06]} 13. Nf3 {[%emt 0:00:16]} Be7 {[%emt 0:02:02]} 14. d4 {[%emt 0:02:08]} O-O {[%emt 0:09:44]} 15. Bf4 {[%emt 0:02:26]} Ba3 {[%emt 0:04:16]} 16. Rb1 {[%emt 0:00:27] Inhibits Bb2.} Na5 {[%emt 0:00:32]} 17. Ke2 {[%emt 0:01:33][%cal Be1e2,Be2d3,Bd3e4][%mdl 32]} c6 {[%emt 0:00:38]} 18. h4 {[%emt 0:01:40]} (18. c4 $5) 18... f6 {[%emt 0:03:41]} 19. Kd3 {[%emt 0:04:44]} fxe5 {[%emt 0:03:02]} 20. Nxe5 {[%emt 0:00:47]} Rad8 {[%emt 0:01:54]} 21. Rhd1 {[%emt 0:08:24]} Bd6 {[%emt 0:02:51]} 22. Re1 {[%emt 0:02:55]} b6 {[%emt 0:01:03]} (22... c5 $11) 23. a4 {[%emt 0:02:04]} (23. c4 $14 {was preferrable.}) 23... Rf5 {[%emt 0:11:11]} 24. Ke4 {[%emt 0:02:16]} Rff8 {[%emt 0:02:19]} 25. Kd3 {[%emt 0:00:07]} Bb8 {[%emt 0:05:40]} (25... Rf5 $11) 26. c4 $14 {[%emt 0:08:16]} Rfe8 {[%emt 0:00:44]} 27. Kc3 {[%emt 0:00:46]} Bd6 {[%emt 0:01:40]} 28. Re3 {[%emt 0:03:28] White is more active.} Be7 {[%emt 0:06:10]} 29. Rh1 {[%emt 0:03:26]} Bf6 {[%emt 0:00:18]} 30. g4 {[%emt 0:02:15]} Rf8 {[%emt 0:03:51] Weighted Error Value: White=0.14 (very precise) /Black=0.15 (very precise)} 1/2-1/2

[Event "13th Chennai Open 2022"]
[Site "Chennai"]
[Date "2022.06.22"]
[Round "6.13"]
[White "Daksh Goyal"]
[Black "Karthikeyan, P.."]
[Result "1/2-1/2"]
[ECO "A28"]
[WhiteElo "1795"]
[BlackElo "2361"]
[Annotator "TA"]
[PlyCount "60"]
[EventDate "2022.06.19"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 11,60,7,10,0,21,17,22,0,0,0,1,-15,-6,-2,-2,-4,-9,-10,-4,-10,-8,-31,18,0,28,20,17,31,112,104,209,98,182,0,217,70,82,47,27,39,31,37,-62,32,49,26,55,41,35,19,39]} 1. c4 {[%emt 0:05:01]} e5 {[%emt 0:00:36]} 2. Nc3 {[%emt 0:00:06]} Nf6 {[%emt 0:00:21]} 3. Nf3 {[%emt 0:00:10]} Nc6 {[%emt 0:00:14]} 4. e3 {[%emt 0:00:04]} Bb4 {[%emt 0:01:10]} 5. Qc2 {[%emt 0:00:08]} Bxc3 {[%emt 0:01:01]} 6. Qxc3 {[%emt 0:00:08]} Qe7 {[%emt 0:00:52]} 7. b3 {[%emt 0:00:40] A28: English Opening: Four Knights Variation.} d5 $1 {[%emt 0:00:33] 7...d5 is better than 7...0-0.} 8. d4 {[%emt 0:02:11]} Bf5 {[%emt 0:00:53]} 9. dxe5 {[%emt 0:12:13]} Ne4 {[%emt 0:03:32]} 10. Qb2 {[%emt 0:00:34]} (10. Qd3 $2 Nb4 11. Qe2 Nc3 $19) 10... O-O-O {[%emt 0:02:13]} 11. a3 {[%emt 0:08:17] [#] Prevents Qb4+.} Bg4 $146 {[%emt 0:12:23] [#] Strongly threatening ...dxc4.} ({Predecessor:} 11... Nc5 12. b4 Na4 13. Qb3 Nb6 14. c5 Nc4 15. Bb2 N4xe5 16. Nxe5 Nxe5 17. Be2 Nc6 {½-½ (93) Caruana,F (2828)-Harikrishna,P (2726) Saint Louis 2019}) 12. Be2 {[%emt 0:17:05]} dxc4 {[%emt 0:11:31]} 13. bxc4 {[%emt 0:06:16]} Bxf3 {[%emt 0:10:01]} 14. Bxf3 {[%emt 0:10:08]} Nc5 {[%emt 0:00:39]} 15. O-O {[%emt 0:06:57] [#] And now Bxc6 would win.} Nxe5 {[%emt 0:00:24]} 16. Be2 {[%emt 0:01:45]} f6 {[%emt 0:02:12]} (16... Ned3 $15 17. Bxd3 (17. Qxg7 Qe6 $11) 17... Nxd3) 17. Qc2 {[%emt 0:05:12]} Qd7 {[%emt 0:07:19]} 18. Rd1 {[%emt 0:02:55]} Qa4 {[%emt 0:06:32]} 19. Qf5+ {[%emt 0:05:23]} Kb8 {[%emt 0:01:53]} ({Black should play} 19... Ned7 $1 $14) 20. Bb2 $16 {[%emt 0:01:39]} Nb3 {[%emt 0:10:27]} (20... a6 $16) 21. Qc2 {[%emt 0:01:20]} (21. Bxe5 $18 {and the rest is easy.} fxe5 22. Rxd8+ Rxd8 23. Rd1 Rxd1+ 24. Bxd1 Qxa3 25. Qd3 (25. Qxh7 a5 $17)) 21... Nc5 {[%emt 0:06:51]} (21... Nd7 $16 {was called for.}) 22. Qf5 {[%emt 0:04:05]} Nb3 {[%emt 0:03:03] Pair of Knights!} 23. Rxd8+ $40 {[%emt 0:04:34][%mdl 128] White is up to no good.} (23. Bxe5 $18 {is the precise move to win.} fxe5 24. Rxd8+ Rxd8 25. Rd1 Rxd1+ 26. Bxd1 Qxa3 27. Qd3 (27. Qxh7 a5 $17)) 23... Rxd8 {[%emt 0:00:02]} 24. Rd1 {[%emt 0:01:16]} Rxd1+ {[%emt 0:00:17]} 25. Bxd1 {[%emt 0:00:04]} Qa5 {[%emt 0:00:13][%cal Ra5e1]} 26. h4 {[%emt 0:03:56]} Qe1+ {[%emt 0:12:54]} (26... Nxc4 $2 27. Qd3 Qe1+ 28. Kh2 $18) 27. Kh2 {[%emt 0:00:02]} Qxd1 {[%emt 0:00:54]} (27... Nxc4 $2 28. Qd5 (28. Qxh7 a6 $16) 28... a6 29. Bxb3 $18) 28. Bxe5 {[%emt 0:00:03][%cal Of5h7]} Qd8 {[%emt 0:02:02]} 29. Bf4 {[%emt 0:01:25]} h6 {[%emt 0:01:22]} 30. Qb5 {[%emt 0:01:01]} Nd2 {[%emt 0:00:53] Weighted Error Value: White=0.25 (precise) /Black=0.19 (very precise)} 1/2-1/2

[Event "13th Chennai Open 2022"]
[Site "Chennai"]
[Date "2022.06.22"]
[Round "6.14"]
[White "Badrinarayanan N"]
[Black "Konguvel, Ponnuswamy"]
[Result "1/2-1/2"]
[ECO "B30"]
[WhiteElo "1574"]
[BlackElo "2331"]
[Annotator "TA"]
[PlyCount "180"]
[EventDate "2022.06.19"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 9,179,-22,-20,-28,-4,-28,-14,-32,-32,-37,-32,-41,-41,-39,-16,-18,-1,-14,-17,-4,-6,-33,-21,-40,-43,-47,-16,-45,-27,-13,-18,-29,-37,-44,-41,-52,-45,-64,-64,-64,-36,-80,-64,-103,-105,-126,-126,-126,-126,-126,-126,-126,-126,-170,-151,-126,-126,-193,-126,-126,-126,-126,-126,-126,-126,-126,-126,-126,-126,-216,-182,-245,-191,-242,-126,-185,-133,-175,-126,-126,-126,-179,-152,-160,-126,-126,-126,-126,-126,-126,-126,-126,-126,-126,-87,-113,-113,-223,-226,-356,-310,-370,-368,-371,-364,-361,-368,-366,-362,-331,-334,-254,-235,-806,-693,-837,-592,-1036,-996,-1743,-1658,-1531,-1375,-1484,-1321,-1277,-1172,-29977,-29978,-29978,-29979,-29979,-29977,-29986,-29987,-29986,-29987,-29989,-29990,-29991,-29985,-29987,-29988,-29989,-29988,-29989,-29990,-29992,-29992,-29992,-29992,-29992,-29992,-29992,-29993,-29993,-29994,-29994,-29995,-29995,-29996,-29996,-29997,-29997,-29998,-29998,-29997,-29997,-29997,-29997,-29998,-29999]} 1. e4 {[%emt 0:00:39]} c5 {[%emt 0:00:12]} 2. Nf3 {[%emt 0:00:27]} e6 {[%emt 0:00:20]} 3. Nc3 {[%emt 0:00:33]} Nc6 {[%emt 0:00:26]} 4. Bc4 {[%emt 0:01:03]} a6 {[%emt 0:01:24]} 5. d3 {[%emt 0:01:59]} b5 {[%emt 0:07:04]} 6. Bb3 {[%emt 0:00:02] B30: Sicilian: 2...Nc6 3 Bb5, lines without ...g6.} d6 {[%emt 0:00:06]} 7. O-O {[%emt 0:01:07]} Nf6 {[%emt 0:00:05]} 8. Bg5 {[%emt 0:00:08] The position is equal.} Be7 {[%emt 0:00:05]} 9. a3 {[%emt 0:05:14]} O-O {[%emt 0:00:08]} 10. Qd2 {[%emt 0:00:23]} Bb7 {[%emt 0:02:22]} 11. Rfe1 {[%emt 0:01:23]} Nd7 {[%emt 0:04:40]} 12. Bxe7 {[%emt 0:00:42]} Qxe7 {[%emt 0:00:18] [#]} 13. Ne2 $146 {[%emt 0:00:31]} ({Predecessor:} 13. Qf4 Nce5 14. Ne2 Ng6 15. Qd2 Nf6 16. Ng3 Qc7 17. d4 c4 18. Ba2 Rad8 19. c3 {0-1 (32) Sadowski,C-Leal,N Sao Bento do Sul 1985}) 13... Nde5 {[%emt 0:11:25]} 14. Nxe5 {[%emt 0:00:25]} dxe5 {[%emt 0:00:28]} 15. Ba2 {[%emt 0:08:37]} Rac8 {[%emt 0:01:06]} 16. Rac1 {[%emt 0:04:09]} Rfd8 {[%emt 0:00:09]} 17. Qe3 {[%emt 0:03:20]} Nd4 {[%emt 0:04:00]} 18. c3 {[%emt 0:05:01]} Nc6 {[%emt 0:18:25]} 19. Red1 {[%emt 0:07:06]} Qd6 {[%emt 0:00:58]} 20. h4 {[%emt 0:03:53]} a5 {[%emt 0:00:33]} 21. Bb1 {[%emt 0:06:48]} h6 {[%emt 0:01:15]} 22. h5 {[%emt 0:05:33]} Ba6 {[%emt 0:01:47]} 23. g4 {[%emt 0:02:11]} Qe7 {[%emt 0:01:36]} 24. Kg2 {[%emt 0:04:40]} Rd7 {[%emt 0:02:20]} 25. Rg1 {[%emt 0:05:11]} Rcd8 {[%emt 0:00:17]} 26. Kh3 {[%emt 0:00:32]} b4 {[%emt 0:05:00]} 27. c4 {[%emt 0:01:12]} (27. cxb4 $2 Rxd3 28. Bxd3 Rxd3 $19) 27... f6 {[%emt 0:01:03] Inhibits g5.} 28. Bc2 {[%emt 0:03:22]} b3 {[%emt 0:00:48]} 29. Bb1 {[%emt 0:00:03]} Nd4 {[%emt 0:01:18]} 30. Nxd4 {[%emt 0:00:29]} Rxd4 {[%emt 0:08:30]} 31. Rc3 {[%emt 0:00:51]} a4 {[%emt 0:00:08]} 32. Rcc1 {[%emt 0:00:50]} Bb7 {[%emt 0:00:17][%cal Ba6b7,Bb7c6,Bc6e8][%mdl 32]} 33. Rg3 {[%emt 0:00:55]} (33. f3 $17) 33... R4d7 {[%emt 0:03:59]} (33... f5 $1 $19 {[%cal Rf5f4]} 34. gxf5 exf5 35. Qxh6 f4) 34. Rcg1 $17 {[%emt 0:01:55]} Qd6 {[%emt 0:00:13]} 35. Kh2 {[%emt 0:02:42]} Rf8 {[%emt 0:01:20]} 36. f3 {[%emt 0:02:02]} Bc6 {[%emt 0:02:37]} 37. R3g2 {[%emt 0:01:08]} Rdd8 {[%emt 0:01:04]} 38. Kh3 {[%emt 0:00:41]} Be8 {[%emt 0:00:05]} 39. Kh4 {[%emt 0:01:07]} (39. Kh2 $17) 39... Rd7 $1 $19 {[%emt 0:00:13]} 40. Kh3 {[%emt 0:07:27]} (40. Re1 {keeps fighting.}) 40... Kh8 {[%emt 0:02:24]} 41. Kh2 {[%emt 0:01:52] [#]} (41. Re2 $142) 41... Rc7 {[%emt 0:02:21]} (41... f5 $1 $19 {And now ...fxg4 would win.} 42. Rf2 fxg4 43. Rxg4 Rf4 44. Rxf4 exf4) 42. Kh1 {[%emt 0:00:35]} (42. Rg3 $17) 42... Qd8 {[%emt 0:00:51]} (42... f5 $19 {Strongly threatening ...fxg4.} 43. Rh2 Qd4 44. Qxd4 cxd4 45. exf5 Re7) 43. Rh2 {[%emt 0:07:20]} Qe7 {[%emt 0:03:21]} (43... f5 $19 44. Qe2 (44. exf5 $2 Bc6 $19) 44... Rcf7) 44. Rh3 {[%emt 0:01:43]} Qd6 {[%emt 0:01:17]} 45. Qe2 {[%emt 0:02:53]} (45. Rh2 $17) 45... Qd4 {[%emt 0:00:14]} 46. Qd2 {[%emt 0:00:57]} Ra7 {[%emt 0:01:30]} 47. Rhg3 {[%emt 0:00:37]} Bc6 {[%emt 0:00:24]} 48. Kh2 {[%emt 0:00:40]} Rd8 {[%emt 0:00:21]} 49. R1g2 {[%emt 0:00:20]} Be8 {[%emt 0:01:18]} 50. Kh3 {[%emt 0:00:42]} Kh7 {[%emt 0:00:15]} 51. Qf2 {[%emt 0:01:17]} f5 {[%emt 0:02:22]} 52. Qxd4 {[%emt 0:00:37]} exd4 {[%emt 0:00:37]} ({And not} 52... Rxd4 53. Rg1 $15) 53. f4 {[%emt 0:00:14] [#]} (53. g5 $17) 53... fxg4+ $1 {[%emt 0:01:02]} 54. Kxg4 {[%emt 0:00:07]} (54. Rxg4 $142 Bxh5 55. Rh4) 54... Rf7 {[%emt 0:01:18]} 55. Kf3 {[%emt 0:00:57]} Rdd7 {[%emt 0:01:28]} 56. Rh2 {[%emt 0:00:41]} Rf6 {[%emt 0:00:16] Against Rg6} 57. Rh4 {[%emt 0:00:31]} Rdf7 {[%emt 0:00:24]} 58. Rgg4 {[%emt 0:00:27]} Bc6 {[%emt 0:00:25] Hoping for ...e5.} 59. Kg3 {[%emt 0:00:02]} Rf8 {[%emt 0:01:10]} 60. Rh2 {[%emt 0:00:28]} Rg8 {[%emt 0:01:01]} 61. Rg2 $2 {[%emt 0:00:51]} (61. Rh1) 61... g5 {[%emt 0:01:25]} 62. fxg5 {[%emt 0:00:45]} Rxg5 {[%emt 0:00:43]} 63. Rxg5 {[%emt 0:00:25]} hxg5 {[%emt 0:00:04][%mdl 4096] Endgame KRB-KRB} 64. Rg1 {[%emt 0:00:16]} Kh6 {[%emt 0:00:06]} 65. Rh1 {[%emt 0:00:02]} Rf4 {[%emt 0:00:18]} 66. Kg2 {[%emt 0:00:24]} Be8 {[%emt 0:00:22]} 67. Rc1 {[%emt 0:00:30]} Bxh5 {[%emt 0:00:10]} 68. Bc2 {[%emt 0:00:18]} bxc2 {[%emt 0:00:12] Black mates.} 69. Rxc2 {[%emt 0:00:01] KRB-KR} Kg6 {[%emt 0:02:08]} 70. Rd2 {[%emt 0:00:57]} Kf6 {[%emt 0:00:09]} 71. Kg3 {[%emt 0:00:33]} Rf3+ {[%emt 0:00:25]} 72. Kg2 {[%emt 0:00:02]} Ke5 {[%emt 0:00:12]} 73. b3 {[%emt 0:00:11]} axb3 {[%emt 0:00:06]} 74. a4 {[%emt 0:00:02]} Rf8 {[%emt 0:00:42]} 75. Rb2 {[%emt 0:00:09]} Bd1 {[%emt 0:00:13]} 76. a5 {[%emt 0:00:06]} Ra8 {[%emt 0:00:10]} 77. Kf2 {[%emt 0:00:03]} Rxa5 {[%emt 0:00:06]} 78. Ke1 {[%emt 0:00:03]} Bc2 {[%emt 0:00:12]} 79. Kd2 {[%emt 0:00:06]} Ra2 {[%emt 0:00:36]} 80. Kc1 {[%emt 0:00:10]} Rxb2 {[%emt 0:00:23]} 81. Kxb2 {[%emt 0:00:01] KB-K3P} g4 {[%emt 0:00:07]} 82. Ka1 {[%emt 0:00:02]} g3 {[%emt 0:00:07]} 83. Kb2 {[%emt 0:00:02]} g2 {[%emt 0:00:05]} 84. Ka3 {[%emt 0:00:07]} g1=Q {[%emt 0:00:21][%cal Rg1a1]} 85. Ka4 {[%emt 0:00:04]} b2+ {[%emt 0:00:23]} 86. Kb5 {[%emt 0:00:01]} b1=Q+ {[%emt 0:11:22]} 87. Kc6 {[%emt 0:00:03]} Ba4+ {[%emt 0:00:00]} 88. Kxc5 {[%emt 0:00:07]} Qxd3 {[%emt 0:00:00]} 89. Kb4 {[%emt 0:00:16]} Qgb1+ {[%emt 0:00:00]} 90. Kc5 {[%emt 0:00:04]} Qa3# {[%emt 0:00:00][%mdl 32768] Weighted Error Value: White=0.20 (precise) /Black=0.09 (flawless) . An unexpected result.} 1/2-1/2

[Event "13th Chennai Open 2022"]
[Site "Chennai"]
[Date "2022.06.22"]
[Round "6.15"]
[White "Saravana, Krishnan P."]
[Black "Mithun Anand V"]
[Result "1-0"]
[ECO "B50"]
[WhiteElo "2269"]
[BlackElo "1672"]
[Annotator "NA RC"]
[PlyCount "57"]
[EventDate "2022.06.19"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 8,40,8,0,32767,32767,3,0,32767,0,-7,-23,-16,-45,32767,-54,-41,-50,32767,32767,0,0,4,-20,32767,32767,-4,32767,32767,-15,-15,32767,32767,-73,129]} 1. e4 {[%emt 0:00:03]} c5 {[%emt 0:00:01]} 2. Nf3 {[%emt 0:00:14]} d6 {[%emt 0:00:02]} 3. Bc4 {[%emt 0:00:18]} Nf6 {[%emt 0:00:50]} 4. Qe2 {[%emt 0:00:08]} Nc6 {[%emt 0:01:42]} 5. c3 {[%emt 0:00:06]} a6 {[%emt 0:04:45]} 6. Bb3 {[%emt 0:00:39]} Bg4 {[%emt 0:08:14]} 7. h3 {[%emt 0:00:23]} Bh5 {[%emt 0:00:29]} 8. d3 {[%emt 0:01:29]} e6 {[%emt 0:00:35]} 9. Nbd2 {[%emt 0:03:04]} Be7 {[%emt 0:02:29]} 10. Nf1 {[%emt 0:03:41]} d5 {[%emt 0:02:29]} 11. g4 {[%emt 0:04:19]} Bg6 $1 {[%emt 0:04:04]} 12. Ng3 {[%emt 0:05:22]} c4 {[%emt 0:10:44]} 13. dxc4 {[%emt 0:11:11]} Nxe4 {[%emt 0:04:31]} 14. cxd5 {[%emt 0:01:19]} exd5 {[%emt 0:01:09]} 15. Nf5 {[%emt 0:11:04]} Bxf5 {[%emt 0:09:16]} 16. gxf5 {[%emt 0:00:18]} Qd7 {[%emt 0:01:42]} 17. Be3 {[%emt 0:03:28]} Qxf5 {[%emt 0:04:01]} 18. O-O-O {[%emt 0:00:23]} Rd8 {[%emt 0:00:56]} 19. Rd3 {[%emt 0:04:41]} O-O {[%emt 0:03:15]} 20. Rhd1 $17 {[%emt 0:00:22]} b5 $2 {[%emt 0:02:45]} ({Much weaker is} 20... Qxh3 $6 21. Bxd5 Nf6 22. Bxc6 bxc6 23. Nd4 $11) (20... g6 $17 21. Bb6 Rd7) 21. Bxd5 {[%emt 0:15:07]} Na5 {[%emt 0:05:18]} 22. Bb6 {[%emt 0:10:37]} Nxc3 {[%emt 0:29:38]} 23. Rxc3 {[%emt 0:04:07]} Rxd5 {[%emt 0:00:49]} 24. Rxd5 {[%emt 0:00:19]} Qxd5 {[%emt 0:00:06]} 25. Qxe7 {[%emt 0:00:07]} Nc4 {[%emt 0:01:22]} 26. Bd4 {[%emt 0:01:02]} a5 {[%emt 0:01:01]} 27. b3 {[%emt 0:02:06]} Na3 {[%emt 0:01:03]} 28. Qe5 {[%emt 0:00:10]} Qd7 {[%emt 0:00:21]} 29. Qxg7# {[%emt 0:00:08]} 1-0

[Event "13th Chennai Open 2022"]
[Site "Chennai"]
[Date "2022.06.22"]
[Round "6.16"]
[White "Jubin Jimmy"]
[Black "Jai Sankar Subramanian"]
[Result "1-0"]
[ECO "D75"]
[WhiteElo "2259"]
[BlackElo "1635"]
[Annotator "NA RC"]
[PlyCount "85"]
[EventDate "2022.06.19"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 {[%emt 0:00:03]} Nf6 {[%emt 0:00:01]} 2. c4 {[%emt 0:00:06]} g6 {[%emt 0:00:02]} 3. g3 {[%emt 0:00:06]} Bg7 {[%emt 0:00:03]} 4. Bg2 {[%emt 0:00:05]} d5 {[%emt 0:00:04]} 5. cxd5 {[%emt 0:00:06]} Nxd5 {[%emt 0:00:03]} 6. Nc3 {[%emt 0:00:15]} Nxc3 {[%emt 0:00:04]} 7. bxc3 {[%emt 0:00:04]} c5 {[%emt 0:00:04]} 8. Nf3 {[%emt 0:00:26]} O-O {[%emt 0:00:05]} 9. O-O {[%emt 0:01:02]} cxd4 {[%emt 0:00:13]} 10. cxd4 {[%emt 0:03:04]} Nc6 {[%emt 0:00:02]} 11. Bb2 {[%emt 0:03:12]} Bg4 {[%emt 0:02:38]} 12. e3 {[%emt 0:02:15]} Na5 {[%emt 0:01:09]} 13. Rc1 {[%emt 0:02:06]} Be6 {[%emt 0:01:47]} 14. Bc3 {[%emt 0:04:09]} Nc6 {[%emt 0:08:34]} 15. Qa4 $11 {[%emt 0:09:16]} (15. Qe2 $16) 15... Qd7 {[%emt 0:12:34]} 16. Rfd1 {[%emt 0:12:24]} Bd5 {[%emt 0:05:32]} (16... Rfc8 $14) 17. Ne5 {[%emt 0:08:49]} Nxe5 {[%emt 0:02:01]} 18. Qxd7 {[%emt 0:00:08] Remove Defender} Nxd7 {[%emt 0:00:02]} 19. Bxd5 {[%emt 0:00:08]} Nb6 {[%emt 0:21:53]} 20. Bxb7 {[%emt 0:03:58]} Rab8 {[%emt 0:00:00]} 21. Ba6 {[%emt 0:01:27]} Nd5 {[%emt 0:02:27]} 22. Ba5 {[%emt 0:02:40]} Rb2 {[%emt 0:01:39]} 23. Bc4 {[%emt 0:04:02]} Nf6 {[%emt 0:00:02]} 24. Bb3 {[%emt 0:00:42]} Ng4 {[%emt 0:01:49]} 25. Be1 {[%emt 0:03:10]} Bh6 {[%emt 0:04:45]} 26. Rd3 {[%emt 0:00:28]} e5 {[%emt 0:01:04]} 27. h3 {[%emt 0:00:39]} e4 {[%emt 0:00:49]} 28. Rdc3 {[%emt 0:00:50]} Nf6 {[%emt 0:35:04]} 29. Rc6 {[%emt 0:00:02]} Nh5 {[%emt 0:00:00]} 30. Kf1 {[%emt 0:04:08]} Nxg3+ {[%emt 0:00:00]} 31. fxg3 {[%emt 0:00:58]} Bxe3 {[%emt 0:00:00]} 32. R1c2 {[%emt 0:01:50]} Rb1 {[%emt 0:00:00]} 33. d5 {[%emt 0:00:15]} f5 {[%emt 0:00:00]} 34. Ke2 {[%emt 0:01:46]} Bb6 {[%emt 0:00:00]} 35. Rc1 {[%emt 0:01:47]} Rb2+ {[%emt 0:00:00]} 36. R6c2 {[%emt 0:00:03]} Rxc2+ {[%emt 0:00:00]} 37. Rxc2 {[%emt 0:00:02]} g5 {[%emt 0:00:00]} 38. Bb4 {[%emt 0:00:17]} Rb8 {[%emt 0:00:00]} 39. Bd6 {[%emt 0:01:49]} Ra8 {[%emt 0:00:00]} 40. Ba4 {[%emt 0:01:01]} Kg7 {[%emt 0:00:00]} 41. Be5+ {[%emt 0:01:26]} Kg6 {[%emt 0:00:00]} 42. Rc6+ {[%emt 0:00:04]} Kh5 {[%emt 0:00:00]} 43. Bg7 {[%emt 0:00:16]} 1-0

[Event "13th Chennai Open 2022"]
[Site "Chennai"]
[Date "2022.06.22"]
[Round "6.17"]
[White "Hari Madhavan N B"]
[Black "Pranav, K P"]
[Result "1-0"]
[ECO "C25"]
[WhiteElo "2374"]
[Annotator "TA"]
[PlyCount "159"]
[EventDate "2022.06.19"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 9,158,-8,0,0,0,0,0,3,10,11,4,0,5,13,230,0,16,-8,60,64,55,71,86,84,67,79,95,68,64,22,54,56,48,50,68,36,36,37,41,31,38,31,29,40,49,43,46,56,47,30,61,15,15,29,35,23,43,28,132,135,153,20,160,149,144,23,111,68,27,23,265,320,473,456,369,359,360,349,414,0,320,135,338,353,304,277,323,276,350,191,333,319,351,331,343,313,631,604,635,618,545,517,890,871,1414,1237,1504,1500,1321,1200,1429,1361,1611,1518,5061,2878,29972,29973,29970,29973,29968,29971,29967,29970,29984,29985,29987,29988,29988,29989,29989,29990,29990,29991,29991,29992,29992,29993,29994,29995,29995,29996,29996,29996,29996,29997,29997,29997,29998,29999,29999]} 1. e4 {[%emt 0:00:09]} e5 {[%emt 0:00:10]} 2. Nc3 {[%emt 0:00:08]} Nc6 {[%emt 0:00:19]} 3. g3 {[%emt 0:00:07]} Bc5 {[%emt 0:00:46]} 4. Bg2 {[%emt 0:00:09]} d6 {[%emt 0:00:23]} 5. Nge2 {[%emt 0:00:34]} Nge7 {[%emt 0:00:41]} 6. O-O {[%emt 0:00:36] C25: Vienna Game: Alternatives to 2...Nf6.} a6 {[%emt 0:00:45]} 7. d3 {[%emt 0:04:04]} O-O {[%emt 0:00:31]} 8. Kh1 {[%emt 0:00:30] The position is equal.} Be6 {[%emt 0:03:15]} 9. f4 {[%emt 0:03:34]} f5 {[%emt 0:01:52] [#]} 10. exf5 $146 {[%emt 0:04:02]} ({Predecessor:} 10. fxe5 dxe5 11. Bg5 Qd7 12. Qd2 Rae8 13. Rae1 h6 14. Be3 Bxe3 15. Qxe3 Nd4 16. Qd2 Nxe2 17. Qxe2 {½-½ (35) Bartel,M (2260)-Markiewicz,J (2165) Straszecin 1999}) 10... Nxf5 {[%emt 0:04:19]} 11. Ne4 {[%emt 0:00:51]} Ne3 $2 {[%emt 0:05:33] [#]} (11... Ba7 $11) 12. Bxe3 $2 {[%emt 0:16:10]} (12. Nxc5 $1 $18 Nxd1 13. Nxe6) 12... Bxe3 $11 {[%emt 0:00:18]} 13. Ng5 {[%emt 0:00:06]} Qd7 {[%emt 0:01:52]} (13... Bg4 $11) 14. Nxe6 $14 {[%emt 0:00:04]} Qxe6 {[%emt 0:00:18]} 15. Nc3 {[%emt 0:02:41] Black must now prevent Bd5.} Qd7 {[%emt 0:07:34][%cal Re5f4]} (15... exf4 $2 16. Bd5 Qf7 17. Bxf7+ $18) 16. fxe5 {[%emt 0:02:32]} dxe5 {[%emt 0:08:34]} 17. Qe2 {[%emt 0:03:09]} Bd4 {[%emt 0:03:43]} 18. Bd5+ {[%emt 0:05:04]} Kh8 {[%emt 0:00:26]} 19. Rxf8+ {[%emt 0:00:37]} Rxf8 {[%emt 0:00:02]} 20. Rf1 {[%emt 0:00:17]} Rxf1+ {[%emt 0:13:15]} 21. Qxf1 {[%emt 0:00:07][%cal Rf1f8]} Bc5 {[%emt 0:00:50] Inhibits Qf8+.} 22. Bxc6 {[%emt 0:06:04]} Qxc6+ {[%emt 0:02:20][%mdl 4096] Endgame KQB-KQN} 23. Ne4 {[%emt 0:00:06]} Bd6 {[%emt 0:00:55]} 24. Qf2 {[%emt 0:01:53]} Kg8 {[%emt 0:02:35]} 25. Kg2 {[%emt 0:00:04]} h6 {[%emt 0:00:36]} 26. b3 {[%emt 0:03:53]} b6 {[%emt 0:01:06]} 27. h4 {[%emt 0:00:24]} Qd7 {[%emt 0:00:25]} 28. Qf3 {[%emt 0:00:21]} a5 {[%emt 0:01:07]} 29. g4 {[%emt 0:01:15]} Qf7 {[%emt 0:06:05]} 30. c3 {[%emt 0:15:21]} (30. Ng3 $14) 30... Qxf3+ $11 {[%emt 0:01:01]} 31. Kxf3 {[%emt 0:00:06] KB-KN} Be7 {[%emt 0:01:08]} 32. h5 {[%emt 0:00:05]} Kf7 {[%emt 0:00:07]} 33. Nd2 {[%emt 0:00:20]} Ke6 {[%emt 0:03:28] [#]} (33... g6 $11) 34. Ke4 $1 $16 {[%emt 0:00:11]} b5 {[%emt 0:10:38] Inhibits Nc4.} 35. a4 {[%emt 0:00:19]} (35. Nf3 $16) 35... c6 {[%emt 0:00:43]} (35... b4 $1 $11 36. c4 Bg5) 36. Nf3 {[%emt 0:00:13]} Bf6 {[%emt 0:03:00]} 37. Ne1 {[%emt 0:00:53]} ({White should play} 37. c4 $16) 37... Be7 {[%emt 0:01:31]} (37... Bh4 $1 $11 38. Nf3 Bf6) 38. Nc2 {[%emt 0:00:32]} bxa4 {[%emt 0:01:09]} 39. bxa4 {[%emt 0:00:08] Na1 is the strong threat.} Bc5 $2 {[%emt 0:00:50] Black is on the road to losing.} (39... Bh4 $11 {and Black stays safe.}) 40. Ne1 $18 {[%emt 0:08:37]} Be7 {[%emt 0:00:25]} (40... Ba3 $142 41. Nf3 Bd6) 41. Nf3 {[%emt 0:00:18]} Bf6 {[%emt 0:02:02]} 42. Nd2 {[%emt 0:00:18] aiming for Nc4.} Bd8 {[%emt 0:00:28]} 43. Nb3 {[%emt 0:03:15]} Bb6 {[%emt 0:02:10] [#]} 44. Nd2 $2 {[%emt 0:03:53]} (44. d4 $1 $18 {[%cal Rd4e5]}) 44... Bc7 {[%emt 0:01:15][%mdl 8192]} (44... Bd8 $1 $11) 45. Nc4 {[%emt 0:00:20]} (45. c4 $18 {has better winning chances. Strongly threatening Nb3.} c5 46. Kf3) 45... c5 $2 {[%emt 0:00:12]} (45... Kf6 $16 {was called for.}) 46. Ne3 {[%emt 0:00:11]} Bd6 {[%emt 0:00:45]} 47. Kf3 {[%emt 0:04:45]} Kf6 {[%emt 0:02:25]} 48. Nf1 {[%emt 0:00:31]} Ke6 {[%emt 0:00:57]} 49. Ng3 {[%emt 0:01:40]} (49. Nd2 $142 Kd5 50. Ke3) 49... Bf8 {[%emt 0:00:39]} (49... Bc7 {keeps fighting.} 50. Nf5 Kf6) 50. Nf5 {[%emt 0:00:28] And now Ke4 would win.} Kf6 {[%emt 0:00:10]} 51. Ke4 {[%emt 0:00:06] Hoping for Ne3.} Ke6 {[%emt 0:00:23]} 52. Nh4 {[%emt 0:01:46]} Be7 $2 {[%emt 0:10:29]} (52... Bd6 53. Nf3 Bc7) 53. Nf3 {[%emt 0:00:18]} Bd6 {[%emt 0:00:00]} 54. Nd2 {[%emt 0:03:00]} Bc7 {[%emt 0:00:00]} 55. Nb3 {[%emt 0:00:46]} Bb6 {[%emt 0:00:00]} (55... c4 $142 56. dxc4 Bb6) 56. c4 {[%emt 0:00:03]} Kf6 {[%emt 0:00:00]} 57. Kd5 {[%emt 0:00:03]} Kg5 {[%emt 0:00:00]} 58. Nxc5 {[%emt 0:00:05]} Kxg4 {[%emt 0:00:00]} 59. Nd7 {[%emt 0:00:03]} Bc7 {[%emt 0:00:00]} 60. Kc6 {[%emt 0:00:13]} Bd8 {[%emt 0:00:00]} 61. Nxe5+ {[%emt 0:00:30]} Kxh5 {[%emt 0:00:00]} 62. c5 {[%emt 0:00:07]} g5 {[%emt 0:00:00]} 63. Kd7 {[%emt 0:01:12] White mates.} Bf6 {[%emt 0:00:00]} 64. Ke6 {[%emt 0:00:09]} Bd8 {[%emt 0:00:00]} 65. Kf5 {[%emt 0:00:11]} Kh4 {[%emt 0:00:00]} 66. d4 {[%emt 0:00:14]} h5 {[%emt 0:00:00]} 67. d5 {[%emt 0:00:40]} Kg3 {[%emt 0:00:00]} 68. d6 {[%emt 0:00:07]} h4 {[%emt 0:00:03]} 69. c6 {[%emt 0:00:06]} h3 {[%emt 0:00:48]} 70. Ng4 {[%emt 0:00:09]} h2 {[%emt 0:00:32] [#]} 71. Nxh2 $1 {[%emt 0:00:03][%mdl 512]} Kxh2 {[%emt 0:00:11]} 72. c7 {[%emt 0:00:03]} Bxc7 {[%emt 0:00:17]} 73. dxc7 {[%emt 0:00:06]} g4 {[%emt 0:00:07]} 74. Kxg4 {[%emt 0:00:04] KPP-KP} Kg2 {[%emt 0:00:07]} 75. c8=Q {[%emt 0:00:04]} Kf2 {[%emt 0:00:07]} 76. Qc3 {[%emt 0:00:03]} Ke2 {[%emt 0:00:04]} 77. Kf4 {[%emt 0:00:04]} Kd1 {[%emt 0:00:05]} 78. Qb2 {[%emt 0:00:06]} Ke1 {[%emt 0:00:06]} 79. Ke3 {[%emt 0:00:03][%cal Rb2a1]} Kf1 {[%emt 0:00:05]} 80. Qf2# {[%emt 0:00:04] Weighted Error Value: White=0.29 (precise) /Black=0.67} 1-0

[Event "13th Chennai Open 2022"]
[Site "Chennai"]
[Date "2022.06.22"]
[Round "6.18"]
[White "Swayham P Das"]
[Black "Nguyen, Van Huy"]
[Result "1/2-1/2"]
[ECO "B13"]
[WhiteElo "1825"]
[BlackElo "2405"]
[Annotator "TA"]
[PlyCount "71"]
[EventDate "2022.06.19"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 21,71,15,22,8,16,4,11,11,20,8,27,32,31,32,21,20,30,30,27,27,32,14,5,0,22,15,24,30,16,6,6,-20,-33,-23,0,0,-12,-17,0,0,0,0,0,0,8,0,0,0,10,0,0,0]} 1. e4 {[%emt 0:00:07]} c6 {[%emt 0:00:17]} 2. d4 {[%emt 0:00:10]} d5 {[%emt 0:00:04]} 3. exd5 {[%emt 0:00:17]} cxd5 {[%emt 0:00:15]} 4. Bd3 {[%emt 0:00:06]} Nc6 {[%emt 0:00:13]} 5. c3 {[%emt 0:00:07]} Nf6 {[%emt 0:00:09]} 6. Bf4 {[%emt 0:00:06]} Bg4 {[%emt 0:00:16]} 7. Nf3 {[%emt 0:00:28]} e6 {[%emt 0:00:45]} 8. h3 {[%emt 0:00:07]} Bh5 {[%emt 0:00:33]} 9. Nbd2 {[%emt 0:00:07]} Bd6 {[%emt 0:01:19]} 10. Bxd6 {[%emt 0:00:07]} Qxd6 {[%emt 0:00:05]} 11. O-O {[%emt 0:01:41]} O-O {[%emt 0:00:15]} 12. Re1 {[%emt 0:00:26] B13: Caro-Kann: Exchange Variation and Panov-Botvinnik Attack.} Rab8 {[%emt 0:02:25]} 13. Qe2 {[%emt 0:00:43]} Qc7 {[%emt 0:04:39]} 14. a4 {[%emt 0:06:20]} Rfe8 {[%emt 0:05:14][%cal Oe6e5]} 15. Qe3 {[%emt 0:00:57] [#] Against e5} a6 $146 {[%emt 0:02:42]} ({Predecessor:} 15... Bg6 16. Bxg6 hxg6 17. Qd3 Rbc8 18. Ne5 Nxe5 19. Rxe5 Nd7 20. Re2 Qa5 21. Nf3 a6 {0-1 (57) Martinez Alcantara,J (2620)-Najer,E (2648) Chess.com INT 2020}) 16. Ne5 {[%emt 0:01:31]} (16. Qg5 {keeps more tension.} Bxf3 17. Nxf3 Nd7 18. Rad1) 16... Bg6 {[%emt 0:05:51]} 17. Nxg6 {[%emt 0:04:26]} hxg6 {[%emt 0:02:15]} 18. Nf3 {[%emt 0:00:23]} Nd7 {[%emt 0:02:58]} 19. Bf1 {[%emt 0:06:30]} Na5 {[%emt 0:02:41]} 20. Nd2 {[%emt 0:01:31]} Nb6 {[%emt 0:03:56]} 21. b3 {[%emt 0:01:21]} Rbc8 {[%emt 0:02:21]} 22. Rec1 {[%emt 0:03:19]} Red8 {[%emt 0:01:17]} 23. Qg5 {[%emt 0:08:35]} Qd6 {[%emt 0:09:01]} 24. h4 {[%emt 0:01:55]} Nc6 {[%emt 0:01:57]} 25. Nf3 {[%emt 0:04:50]} Nd7 {[%emt 0:01:36][%cal Bb6d7,Bd7f6,Bf6e4][%mdl 32]} 26. h5 {[%emt 0:02:48]} gxh5 {[%emt 0:03:14]} 27. Qxh5 {[%emt 0:00:21]} Nf6 {[%emt 0:00:56]} (27... g6 $5 {[%cal Rg6h5]} 28. Qh6 Qf8 $11) 28. Qg5 {[%emt 0:01:44] The position is equal.} Ne4 {[%emt 0:03:34]} 29. Qe3 {[%emt 0:00:28]} e5 {[%emt 0:04:22]} 30. c4 {[%emt 0:17:08]} exd4 {[%emt 0:17:51]} 31. Nxd4 {[%emt 0:00:09]} Ne5 {[%emt 0:03:01] [#] White must now prevent ...Ng4. Pair of Knights!} 32. Be2 {[%emt 0:00:09] Against Ng4} Nf6 {[%emt 0:05:39]} (32... dxc4 $2 33. Nf5 Qf6 34. Qxe4 $18) 33. Qg3 {[%emt 0:04:04] Prevents Neg4. aiming for Nf5.} Ne4 {[%emt 0:01:23]} 34. Qe3 {[%emt 0:00:05]} Nf6 {[%emt 0:00:16]} (34... dxc4 $2 35. Nf5 Qf6 36. Qxe4 $18) 35. Qg3 {[%emt 0:00:04] [#] Against Neg4. Threatens to win with Nf5.} Ne4 {[%emt 0:01:42]} 36. Qe3 {[%emt 0:00:05] Weighted Error Value: White=0.04 (flawless) /Black=0.06 (flawless)} 1/2-1/2

[Event "13th Chennai Open 2022"]
[Site "Chennai"]
[Date "2022.06.23"]
[Round "7.1"]
[White "Nitin, S.."]
[Black "Vignesh B"]
[Result "1-0"]
[ECO "A08"]
[WhiteElo "2399"]
[BlackElo "2072"]
[Annotator "TA"]
[PlyCount "203"]
[EventDate "2022.06.19"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 17,203,13,13,-19,-20,-24,0,-16,19,18,35,27,44,42,26,4,9,0,0,0,0,0,0,0,0,-23,26,31,62,49,52,50,55,57,70,68,66,67,70,64,75,68,89,83,91,88,88,78,116,109,100,93,139,113,128,119,135,143,231,138,164,91,181,163,119,64,255,97,109,62,214,145,144,61,246,0,139,61,343,343,343,142,343,58,67,0,332,100,97,88,182,160,153,154,151,143,143,80,85,80,212,209,194,194,194,140,411,159,177,133,198,198,252,259,600,382,377,278,573,566,569,548,547,471,428,200,200,142,147,0,198,198,398,220,298,298,397,370,427,348,428,405,411,415,479,415,477,470,768,395,372,0,521,488,563,516,781,760,1131,1131,885,885,737,727,727,723,3514,3313,1980,1990,1779,1779,1660,1608,1597,1435,1560,1431,29978,29979,29979,29980,29980,29981,29981,29982,29983,29982]} 1. g3 {[%emt 0:00:33]} Nf6 {[%emt 0:00:58]} 2. Bg2 {[%emt 0:00:19]} d5 {[%emt 0:00:21]} 3. Nf3 {[%emt 0:01:02]} g6 {[%emt 0:03:09]} 4. O-O {[%emt 0:04:50]} Bg7 {[%emt 0:00:06]} 5. d3 {[%emt 0:00:08]} O-O {[%emt 0:00:12]} 6. Nbd2 {[%emt 0:00:12]} c5 {[%emt 0:01:18]} 7. e4 {[%emt 0:00:10]} Nc6 {[%emt 0:01:36]} 8. Re1 {[%emt 0:02:31]} e5 {[%emt 0:00:38]} 9. exd5 {[%emt 0:00:39]} Nxd5 {[%emt 0:00:10]} 10. a3 {[%emt 0:01:22] A08: King's Indian Attack.} b6 {[%emt 0:06:23]} 11. Rb1 {[%emt 0:01:07] [#]} f6 $146 {[%emt 0:01:37]} ({Predecessor:} 11... Bb7 12. h4 Qd7 13. h5 Rae8 14. hxg6 hxg6 15. Ne4 Nc7 16. Nh4 Ne6 17. b4 cxb4 18. axb4 {1-0 (52) Pachow,J (2290)-Zieher,H (2230) Germany 1996}) 12. c4 {[%emt 0:10:26] aiming for Nxe5. The position is equal.} Nde7 {[%emt 0:04:02]} 13. b4 $1 {[%emt 0:00:50]} Bf5 {[%emt 0:11:10]} (13... Qxd3 14. b5 $14) 14. Ne4 {[%emt 0:03:34]} Bxe4 {[%emt 0:14:38]} 15. Rxe4 {[%emt 0:04:34]} Qd6 {[%emt 0:01:29]} 16. b5 {[%emt 0:03:26]} Nd8 {[%emt 0:14:30]} 17. Bb2 {[%emt 0:13:56]} Ne6 {[%emt 0:01:16]} 18. Qc2 {[%emt 0:02:10]} Rad8 {[%emt 0:03:35]} 19. Rd1 {[%emt 0:02:29]} Qc7 {[%emt 0:09:47]} 20. a4 {[%emt 0:04:44]} Rd6 {[%emt 0:00:35]} 21. Nh4 {[%emt 0:05:59]} Rfd8 {[%emt 0:03:16]} (21... Qd7 {should be considered.}) 22. f4 $11 {[%emt 0:05:57]} Nd4 {[%emt 0:04:21]} 23. Bxd4 {[%emt 0:00:34]} Rxd4 {[%emt 0:00:06]} 24. Rxd4 {[%emt 0:02:24]} Rxd4 {[%emt 0:03:21]} 25. fxe5 {[%emt 0:03:25]} fxe5 {[%emt 0:03:30]} (25... Qxe5 $2 26. Nf3 Qd6 27. Nxd4 Qxd4+ 28. Kh1 $18) 26. Be4 {[%emt 0:00:32]} Rd8 {[%emt 0:01:01]} 27. a5 {[%emt 0:03:21]} Qd6 {[%emt 0:05:07]} 28. axb6 {[%emt 0:03:51]} axb6 {[%emt 0:00:02]} 29. Rf1 {[%emt 0:00:21]} Rf8 {[%emt 0:00:29]} 30. Rxf8+ {[%emt 0:00:19]} Kxf8 {[%emt 0:00:28]} 31. Nf3 {[%emt 0:00:12]} Bf6 {[%emt 0:02:32]} 32. Qa4 {[%emt 0:00:13]} Nf5 {[%emt 0:00:39]} 33. Qa8+ {[%emt 0:01:05]} Kg7 {[%emt 0:00:03]} 34. Qb7+ {[%emt 0:00:45]} Ne7 {[%emt 0:01:47]} (34... Be7 $142) 35. Kf1 {[%emt 0:03:46]} h5 {[%emt 0:00:32]} 36. Ke2 {[%emt 0:00:57]} Qe6 {[%emt 0:02:59]} 37. Qc7 {[%emt 0:00:11]} Kh6 {[%emt 0:00:13]} (37... h4 $16 38. gxh4 Kh6) 38. Kf2 {[%emt 0:02:22]} (38. h4 $1 $18) 38... h4 {[%emt 0:00:59]} 39. gxh4 {[%emt 0:02:38]} (39. g4 $18 Bg5 40. h3 (40. Qxe5 Qxe5 41. Nxe5 Bf4 $16)) 39... Kg7 {[%emt 0:00:32]} (39... Kh5 $16) 40. Ke2 {[%emt 0:05:01]} Kh6 {[%emt 0:00:20]} 41. Kd2 {[%emt 0:01:15]} (41. h3 $16) 41... Kg7 $2 {[%emt 0:00:35]} (41... Kh5 $1 $14) 42. Kc2 $2 {[%emt 0:00:35]} (42. Ng5 $18 Qg4 43. Nf3) 42... Kh6 $16 {[%emt 0:00:34]} 43. Kb3 {[%emt 0:00:33]} (43. Qb8 $16) 43... Kg7 $2 {[%emt 0:00:25]} (43... Bg7 $14) 44. h3 {[%emt 0:01:49]} Kh6 {[%emt 0:00:34] Inhibits Ng5.} 45. Qb8 {[%emt 0:00:08]} ({White should play} 45. Nh2 $16) 45... Nc8 $2 {[%emt 0:00:33]} ({Black should try} 45... Bg7 $14) 46. Qc7 {[%emt 0:01:23]} (46. Qa8 $18) 46... Ne7 {[%emt 0:00:01]} 47. Ka3 {[%emt 0:00:47]} (47. Nh2 $16) 47... Nf5 $2 {[%emt 0:00:59][%mdl 8192]} (47... Bg7 $1 $14) 48. Qc6 $18 {[%emt 0:00:48]} Nd6 {[%emt 0:00:24]} 49. Ka4 {[%emt 0:00:46]} (49. Bd5 Qf5 50. Qxd6 Qf4 $18) (49. Kb3 $18 {has better winning chances.}) 49... Bd8 {[%emt 0:00:34]} (49... Qxh3 $16 50. Qxd6 Qf1) 50. Bd5 $2 {[%emt 0:00:42]} (50. Ng5 $1 $18 {[%cal Rg5e6]} Qe7 51. Qxd6 $3 {[%mdl 512]} Qxd6 52. Nf7+ Kh5 53. Nxd6) 50... Qf6 $14 {[%emt 0:00:01][%cal Oe5e4]} 51. Be4 $2 {[%emt 0:00:53][%mdl 8192]} (51. Nh2 $14 Qe7 52. Ng4+ Kg7 53. h5) 51... Qe6 $1 $18 {[%emt 0:00:47]} 52. Kb3 $2 {[%emt 0:01:02]} (52. Ng5 $1 $18 {[%cal Rg5e6]} Qe7 53. Qxd6 $3 {[%mdl 512]} Qxd6 54. Nf7+ Kh5 55. Nxd6) 52... Qf6 $16 {[%emt 0:00:22]} 53. Qd5 {[%emt 0:01:06]} Nf7 {[%emt 0:00:35]} (53... Kg7 $16) 54. Qd7 $18 {[%emt 0:00:09]} Qe7 {[%emt 0:00:47]} 55. Qc6 {[%emt 0:03:09][%csl Ge4][%cal Rc6g6] 0x0.0022fb2889cfdp-1022s more active pieces.} Qf6 {[%emt 0:01:02]} 56. Qe8 {[%emt 0:00:00]} Be7 {[%emt 0:00:00]} 57. Bd5 {[%emt 0:00:00]} (57. Qd7 $142) 57... Nd6 $16 {[%emt 0:00:00]} 58. Qg8 $40 {[%emt 0:00:00][%mdl 128] White threatens Nh2 and mate. Black is in trouble.} Qf8 {[%emt 0:00:58]} (58... Nf5 $16 {was necessary.}) 59. Qxf8+ $18 {[%emt 0:00:22]} (59. Nxe5 $6 Qxg8 60. Bxg8 Nf5 $16) 59... Bxf8 {[%emt 0:00:01]} 60. Nxe5 {[%emt 0:00:01][%mdl 4096] Endgame KBN-KBN} Be7 {[%emt 0:00:25]} 61. Be4 {[%emt 0:00:42]} (61. Nd7 $18 Bd8 62. Be6) 61... Bf6 $2 {[%emt 0:01:04][%mdl 8192]} (61... Bd8 $16 62. Kc2 (62. Bxg6 Bf6 $16) 62... Bc7) 62. Nd7 $2 {[%emt 0:00:26]} (62. Ng4+ $18 Kg7 63. Nxf6 Kxf6 64. Kc2) 62... Bd8 $16 {[%emt 0:00:06]} 63. Nf8 {[%emt 0:00:36]} Bf6 {[%emt 0:00:49] [#]} (63... Kh5 $16 64. Nxg6 Bc7) 64. Kc2 $1 $18 {[%emt 0:00:35]} ({Stronger than} 64. Bxg6 Be7 65. Nd7 Kxg6 $11) (64. Nd7 Bd8 65. Bf3 Kg7) 64... Kh5 {[%emt 0:00:32]} (64... Kg7 $142) 65. Nxg6 {[%emt 0:00:20]} ({Much less strong is} 65. Nd7 $6 Bd8 66. Kc3 Bc7 $16) 65... Bxh4 $2 {[%emt 0:00:27]} (65... Bd8 66. Kd1 Bc7) 66. Nf4+ {[%emt 0:00:21]} Kh6 {[%emt 0:00:07]} 67. Kd1 {[%emt 0:00:30] Ke2 is the strong threat.} Bf6 $2 {[%emt 0:00:14]} (67... Nc8 {might work better.} 68. Ke2 Bf6) 68. Ke2 {[%emt 0:00:32]} Kg5 {[%emt 0:00:04]} 69. Kf3 {[%emt 0:00:42]} Kh4 {[%emt 0:00:09]} 70. Kg2 {[%emt 0:00:08]} Bd8 {[%emt 0:00:31]} 71. Ng6+ {[%emt 0:01:40]} (71. Ne6 $142 Be7 72. Nf4) 71... Kg5 {[%emt 0:00:03]} 72. Ne5 {[%emt 0:00:12]} Kf4 {[%emt 0:00:32]} 73. Ng6+ {[%emt 0:00:20]} (73. Nc6 $16 Bf6 74. Bg6) 73... Kg5 {[%emt 0:00:03]} 74. Nf8 {[%emt 0:01:02] Threatens to win with Ne6+.} Kh4 $2 {[%emt 0:01:18]} (74... Kf6 75. Kf3 Nf7) 75. Bd5 {[%emt 0:00:18]} (75. Kf3 $142 {Hoping for Ne6.} Bg5 76. Ng6+ Kh5 77. Nf4+ Kh6 78. Nd5) 75... Nf5 {[%emt 0:00:36]} 76. Be6 {[%emt 0:01:03]} Nd4 {[%emt 0:00:46] [#]} 77. Bg4 $1 {[%emt 0:00:30]} Bc7 {[%emt 0:00:49]} 78. Kf2 {[%emt 0:00:10]} Kg5 {[%emt 0:01:14]} 79. Ke3 {[%emt 0:00:07]} Kf6 {[%emt 0:00:38]} 80. Ke4 {[%emt 0:00:14]} Ke7 {[%emt 0:00:01]} 81. Nd7 {[%emt 0:00:37]} Kd6 {[%emt 0:00:14]} 82. Ne5 {[%emt 0:00:47] Strongly threatening h4.} Nb3 {[%emt 0:00:36]} (82... Ke7 $142 83. Ng6+ Kf7) 83. Nf3 {[%emt 0:00:36]} Bd8 {[%emt 0:00:05]} 84. Ne5 $2 {[%emt 0:00:25]} ({Better is} 84. h4 $18) 84... Bf6 $2 {[%emt 0:01:11][%mdl 8192]} (84... Bc7 $1 $11 85. Ng6 Bd8) 85. Ng6 {[%emt 0:00:07]} Nd2+ {[%emt 0:00:10]} 86. Kf5 {[%emt 0:00:06]} Bg7 {[%emt 0:00:01]} (86... Bc3 $142 87. Nf4 Nf1) 87. h4 {[%emt 0:00:35]} Nf1 {[%emt 0:00:04]} 88. Kg5 {[%emt 0:00:49]} Bc3 {[%emt 0:00:45]} 89. h5 {[%emt 0:00:21] And now h6 would win.} Bd2+ {[%emt 0:00:02]} 90. Kf6 {[%emt 0:00:12]} Ne3 {[%emt 0:00:22]} 91. Bh3 {[%emt 0:00:49] Black must now prevent Kg7.} Nc2 {[%emt 0:00:49]} 92. Kg7 {[%emt 0:00:14]} Ne1 {[%emt 0:00:06]} 93. Bf5 {[%emt 0:00:27]} Bc3+ {[%emt 0:00:52]} 94. Kh7 {[%emt 0:00:39]} Nf3 {[%emt 0:00:32]} 95. h6 {[%emt 0:00:27][%cal Bh5h6,Bh6h7][%mdl 32]} Bd2 {[%emt 0:00:05]} 96. Kg7 {[%emt 0:00:19]} Nd4 {[%emt 0:00:20]} 97. Bg4 {[%emt 0:00:14]} Ne6+ {[%emt 0:00:03]} 98. Bxe6 {[%emt 0:00:39] White mates.} Kxe6 {[%emt 0:00:02]} 99. h7 {[%emt 0:00:18]} Bc3+ {[%emt 0:00:04]} 100. Kg8 {[%emt 0:00:18]} Kf5 {[%emt 0:00:02]} 101. Ne7+ {[%emt 0:00:09]} Kg4 {[%emt 0:00:07]} 102. Nd5 {[%emt 0:00:06][%csl LRb6,LRc3] Weighted Error Value: White=0.41/Black=0.40} 1-0

[Event "13th Chennai Open 2022"]
[Site "Chennai"]
[Date "2022.06.23"]
[Round "7.2"]
[White "Fedorov, Alexei"]
[Black "Savchenko, Boris"]
[Result "1/2-1/2"]
[ECO "B90"]
[WhiteElo "2529"]
[BlackElo "2524"]
[Annotator "TA"]
[PlyCount "20"]
[EventDate "2022.06.19"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 19,20,0,24]} 1. e4 {[%emt 1:31:00]} c5 {[%emt 0:00:03]} 2. Nf3 {[%emt 0:00:00]} d6 {[%emt 0:00:04]} 3. d4 {[%emt 0:00:00]} cxd4 {[%emt 0:00:04]} 4. Nxd4 {[%emt 0:00:00]} Nf6 {[%emt 1:32:19]} 5. Nc3 a6 {[%emt 0:00:00]} 6. Be3 {[%emt 0:00:00]} Ng4 {[%emt 0:00:00]} 7. Bc1 {[%emt 0:00:00] [#]} Nf6 $146 {[%emt 0:01:30]} ({Predecessor:} 7... Nc6 8. Be2 Qb6 9. Bxg4 Qxd4 10. Qe2 Ne5 11. Bxc8 Rxc8 12. O-O e6 13. Rd1 Qc4 14. Qxc4 Rxc4 15. a4 Be7 16. f3 g5 17. Be3 {1-0 (63) Dominguez Perez,L (2758)-Duda,J (2738) chess24.com INT 2021}) 8. Be3 Ng4 {[%emt 0:00:00]} 9. Bc1 {[%emt 0:00:00]} Nf6 {[%emt 0:01:00]} 10. Be3 {[%emt 0:00:00]} Ng4 {[%emt 0:00:00] Recently 10...Nbd7 got a lot of attention.} 1/2-1/2

[Event "13th Chennai Open 2022"]
[Site "Chennai"]
[Date "2022.06.23"]
[Round "7.3"]
[White "Abdyjapar, Asyl"]
[Black "Tran, Tuan Minh"]
[Result "1/2-1/2"]
[ECO "A45"]
[WhiteElo "2346"]
[BlackElo "2533"]
[Annotator "TA"]
[PlyCount "134"]
[EventDate "2022.06.19"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 9,134,0,0,0,0,0,0,0,2,0,37,37,132,11,117,102,108,85,113,148,344,209,291,322,309,322,322,310,317,312,306,318,289,322,308,307,302,247,243,236,213,210,210,198,229,226,233,237,249,247,229,195,233,244,247,264,277,275,277,266,261,264,262,189,190,194,200,165,163,165,185,198,197,180,270,253,279,277,229,184,245,248,225,210,277,0,0,0,0,0,27,27,595,593,578,566,668,641,534,468,1556,1391,1231,1153,2359,1768,29975,29976,29976,29977,29977,29978,29978,29979,29979,29980,5098,0,8,80,390,0,0,0,0,0,0]} 1. d4 {[%emt 0:10:10]} Nf6 {[%emt 0:01:41]} 2. Bf4 {[%emt 0:05:47]} c5 {[%emt 0:00:27]} 3. d5 {[%emt 0:00:16]} Qb6 {[%emt 0:00:31]} 4. Nc3 {[%emt 0:00:06]} g6 {[%emt 0:03:12]} 5. e4 {[%emt 0:00:07]} Nxe4 {[%emt 0:07:14]} 6. Nxe4 {[%emt 0:13:09] A45: Trompowsky Attack.} Qb4+ {[%emt 0:02:48]} 7. Qd2 {[%emt 0:03:05]} Qxe4+ {[%emt 0:00:06] [#]} 8. Ne2 $146 {[%emt 0:02:50]} ({Predecessor:} 8. Be2 Bg7 9. c3 d6 10. Nf3 Bf5 11. Rc1 Qa4 12. b3 Qa5 13. O-O O-O 14. Rfe1 {1-0 (52) Tisaj,D (2239)-Solmajer,L (2054) Portoroz 2020}) 8... Bg7 {[%emt 0:01:17]} 9. O-O-O {[%emt 0:00:24]} Na6 {[%emt 0:06:15]} 10. d6 {[%emt 0:04:34][%cal Bd5d6,Bd6e7][%mdl 32]} O-O {[%emt 0:28:11]} ({Black should play} 10... e6 $1 $14) 11. a3 {[%emt 0:09:03]} (11. Nc3 $16 Bxc3 12. bxc3) 11... b5 {[%emt 0:04:50]} (11... e6 $11 {keeps the balance.}) 12. Ng3 $36 {[%emt 0:07:12][%mdl 2048] White has strong initiative.} Qe6 {[%emt 0:05:16]} 13. dxe7 {[%emt 0:03:53]} Re8 {[%emt 0:03:03]} 14. Bxb5 {[%emt 0:02:35] Threatens to win with c3. White is more active.} c4 $2 {[%emt 0:06:48]} (14... Qb6 $16 {is a better defense.} 15. a4 (15. Qe2 Qf6 $17) 15... Rxe7) 15. Qd6 {[%emt 0:08:43] Rhe1 is the strong threat.} ({Stronger than} 15. Bxd7 c3 16. Bxe6 (16. bxc3 $2 Qa2 $19) 16... cxd2+ 17. Rxd2 Bxe6 $17) 15... c3 {[%emt 0:02:00][%cal Oe6a2] ( -> ...Qa2!)} 16. b3 {[%emt 0:00:44]} Rxe7 {[%emt 0:03:32]} 17. Bc4 {[%emt 0:00:34]} Qxd6 {[%emt 0:04:40]} 18. Bxd6 {[%emt 0:00:07]} ({Weaker is} 18. Rxd6 Nc7 $14) 18... Re6 {[%emt 0:00:15]} 19. Bxe6 {[%emt 0:01:08]} dxe6 {[%emt 0:00:42]} 20. f3 {[%emt 0:02:17]} Bb7 {[%emt 0:00:25]} 21. Rhe1 {[%emt 0:00:48]} Rc8 {[%emt 0:00:26]} 22. Be5 {[%emt 0:01:15]} Bh6+ {[%emt 0:03:54]} 23. Kb1 {[%emt 0:00:05] Strongly threatening Ne4.} Bd2 {[%emt 0:00:56]} 24. Re2 {[%emt 0:00:48] aiming for Ne4.} Nc5 {[%emt 0:00:05]} 25. Rexd2 {[%emt 0:00:54]} cxd2 {[%emt 0:00:05]} 26. Rxd2 {[%emt 0:00:04]} Bd5 {[%emt 0:03:32]} 27. Kb2 {[%emt 0:00:56]} Nd7 {[%emt 0:00:07]} 28. Bd4 {[%emt 0:00:17]} a6 {[%emt 0:00:02]} 29. c4 {[%emt 0:03:59]} Bc6 {[%emt 0:00:02]} 30. Ne2 {[%emt 0:00:22]} e5 {[%emt 0:00:39]} 31. Be3 {[%emt 0:00:49]} f5 {[%emt 0:00:24]} 32. Nc3 {[%emt 0:00:07]} Kf7 {[%emt 0:00:03]} 33. b4 {[%emt 0:00:19]} f4 {[%emt 0:01:53]} 34. Bf2 {[%emt 0:00:23]} Ke6 {[%emt 0:00:07]} 35. Kb3 {[%emt 0:01:49]} g5 {[%emt 0:00:11]} 36. b5 {[%emt 0:00:44]} axb5 {[%emt 0:01:19]} 37. cxb5 {[%emt 0:00:07]} Ba8 {[%emt 0:00:02]} 38. Ne4 {[%emt 0:04:20]} Bd5+ {[%emt 0:02:20]} 39. Kb2 {[%emt 0:00:48]} h6 {[%emt 0:03:18]} 40. a4 {[%emt 0:02:38]} g4 {[%emt 0:03:19]} 41. Rc2 {[%emt 0:01:33]} Ra8 {[%emt 0:00:45]} (41... Rc4 $142) 42. Ka3 $18 {[%emt 0:00:34]} gxf3 {[%emt 0:01:24]} 43. gxf3 {[%emt 0:00:03]} Nf6 {[%emt 0:00:11]} 44. Nd2 {[%emt 0:02:36]} Rg8 {[%emt 0:00:11]} (44... Rb8 $142 45. Be1 Ba8) 45. a5 {[%emt 0:02:14] Black must now prevent a6.} Rg2 {[%emt 0:00:12]} 46. Nb3 $1 {[%emt 0:00:40]} Bxf3 {[%emt 0:01:00] [#]} 47. b6 $2 {[%emt 0:00:17]} (47. Nc5+ $1 $18 Kf5 48. b6) 47... Nd7 $11 {[%emt 0:01:12]} (47... Rxh2 48. a6 Rh3 49. Nc5+ Kf5 50. Kb2 $18) 48. Kb4 {[%emt 0:01:25]} Rxh2 {[%emt 0:00:18]} 49. Rd2 {[%emt 0:01:15]} Bd5 {[%emt 0:01:19]} (49... Bb7 $5 {[%cal Rb7a6]}) 50. a6 {[%emt 0:01:02]} Rxf2 $2 {[%emt 0:01:17][%mdl 8192]} 51. Rxf2 $18 {[%emt 0:00:30] And now Nc5+ would win.} Nxb6 $11 {[%emt 0:00:07][%mdl 4096] Endgame KRN-KBN} 52. Rh2 {[%emt 0:00:37]} Na8 {[%emt 0:01:24]} 53. Rxh6+ {[%emt 0:00:07]} Kf5 {[%emt 0:00:06]} 54. Nd2 {[%emt 0:01:02]} Bg2 {[%emt 0:00:35]} (54... Nc7 $142 55. a7 e4 56. Rh5+ Ke6) 55. Rh8 $18 {[%emt 0:00:46]} Nc7 {[%emt 0:00:28]} 56. a7 {[%emt 0:00:12]} e4 {[%emt 0:01:32]} 57. Rf8+ {[%emt 0:01:14]} Kg4 {[%emt 0:00:25]} 58. Rg8+ {[%emt 0:01:38]} Kh3 {[%emt 0:00:01] [#]} 59. Rxg2 $1 {[%emt 0:00:38][%mdl 512]} Kxg2 {[%emt 0:00:08]} 60. Nxe4 {[%emt 0:00:03] KN-KN} Kf3 {[%emt 0:00:24] [#]} 61. Nf6 $1 {[%emt 0:00:02]} Ke3 {[%emt 0:00:42]} 62. Kc5 {[%emt 0:00:10]} f3 {[%emt 0:00:16]} 63. Nd5+ $2 {[%emt 0:01:15]} (63. Ng4+ $18 Kf4 64. Nh2) 63... Nxd5 $1 $11 {[%emt 0:00:46]} 64. a8=Q {[%emt 0:00:08]} f2 {[%emt 0:00:01]} 65. Qa6 $2 {[%emt 0:01:38]} ({And not} 65. Qxd5 f1=Q $11) ({White must play} 65. Qa3+ $18 Ke4 66. Qa4+ Kf3 67. Qd1+ Kg3 68. Kd4) 65... Nc3 {[%emt 0:00:42] The position is equal.} 66. Qf1 {[%emt 0:00:28] Hoping for Kc4.} Ne4+ {[%emt 0:00:01]} 67. Kd5 {[%emt 0:00:08]} Ng3 {[%emt 0:00:26] Weighted Error Value: White=0.18 (very precise) /Black=0.43} 1/2-1/2

[Event "13th Chennai Open 2022"]
[Site "Chennai"]
[Date "2022.06.23"]
[Round "7.4"]
[White "Konguvel, Ponnuswamy"]
[Black "Aronyak Ghosh"]
[Result "1/2-1/2"]
[ECO "B17"]
[WhiteElo "2331"]
[BlackElo "2494"]
[Annotator "TA"]
[PlyCount "88"]
[EventDate "2022.06.19"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 21,88,47,46,27,38,31,25,12,11,10,29,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,4,8,3,0,0,0,0,-8,-8,-8,-8,-8,-8,-8,-8,-13,-8,-15,-15,-15,-15,-20,-15,-15,-15,-29,-7,-7,0,-6,-6,-6,-6,-6,0,-6,0,-6,0]} 1. e4 {[%emt 0:00:03]} c6 {[%emt 0:05:42]} 2. d4 {[%emt 0:00:19]} d5 {[%emt 0:00:10]} 3. Nc3 {[%emt 0:00:12][%cal Bb1c3,Bc3e4,Be4g5][%mdl 32]} dxe4 {[%emt 0:00:33]} 4. Nxe4 {[%emt 0:00:06]} Nd7 {[%emt 0:00:35]} 5. Ng5 {[%emt 0:00:36]} Ngf6 {[%emt 0:00:37]} 6. Bd3 {[%emt 0:00:40]} e6 {[%emt 0:00:22]} 7. N1f3 {[%emt 0:01:06]} Bd6 {[%emt 0:00:17]} 8. Qe2 {[%emt 0:00:27]} h6 {[%emt 0:00:11]} 9. Ne4 {[%emt 0:00:20]} Nxe4 {[%emt 0:00:09]} 10. Qxe4 {[%emt 0:00:11]} Nf6 {[%emt 0:00:08]} 11. Qe2 {[%emt 0:00:29]} Qb6 {[%emt 0:00:12]} 12. O-O {[%emt 0:10:29] B17: Caro-Kann: Modern Line (4...Nd7).} O-O {[%emt 0:00:08]} 13. c4 {[%emt 0:04:41] [#] Threatens to win with c5.} c5 {[%emt 0:03:02]} 14. Be3 {[%emt 0:12:06] White has an edge.} Qc7 {[%emt 0:09:59]} 15. dxc5 {[%emt 0:12:47]} Bxc5 {[%emt 0:00:09]} 16. Bd2 {[%emt 0:01:05] [#]} a5 $146 {[%emt 0:17:02]} ({Predecessor:} 16... Bd6 17. Bc3 Ng4 18. Nd4 Bxh2+ 19. Kh1 Bg1 20. Nf3 Bxf2 21. Ne5 Qc5 22. Qxg4 f5 {1-0 (41) Adla,D (2455)-Slipak,S (2405) Buenos Aires 1993}) 17. Bc3 {[%emt 0:01:48]} b6 {[%emt 0:02:36]} 18. Ne5 {[%emt 0:23:34]} Bb7 {[%emt 0:02:38]} 19. Rad1 {[%emt 0:00:48]} Rfd8 {[%emt 0:09:57]} 20. Bc2 {[%emt 0:02:36]} Bb4 {[%emt 0:03:48]} 21. Bd4 {[%emt 0:00:26]} Bc5 {[%emt 0:00:35]} 22. Bc3 {[%emt 0:00:04]} Rxd1 {[%emt 0:04:30]} 23. Rxd1 {[%emt 0:00:04]} Rd8 {[%emt 0:00:02]} 24. a3 {[%emt 0:01:25]} Rxd1+ {[%emt 0:01:45]} 25. Qxd1 {[%emt 0:00:11]} Ne4 {[%emt 0:01:49]} 26. Bxe4 {[%emt 0:01:41]} Bxe4 {[%emt 0:00:06]} 27. Qd7 {[%emt 0:00:20]} Qxd7 {[%emt 0:03:57]} 28. Nxd7 {[%emt 0:00:06]} a4 {[%emt 0:00:23]} 29. Nxc5 {[%emt 0:00:27]} bxc5 $11 {[%emt 0:00:05][%mdl 4096] Endgame KB-KB} 30. Be5 {[%emt 0:00:33]} Bd3 {[%emt 0:00:25]} 31. Bd6 {[%emt 0:00:05]} Bxc4 {[%emt 0:00:02]} 32. Bxc5 {[%emt 0:00:06]} g5 {[%emt 0:00:06]} 33. f3 {[%emt 0:01:38]} f6 {[%emt 0:00:26]} 34. Kf2 {[%emt 0:00:15]} Kf7 {[%emt 0:00:04]} 35. Ke3 {[%emt 0:00:04]} e5 {[%emt 0:00:04]} 36. g3 {[%emt 0:00:09]} Ke6 {[%emt 0:00:32]} 37. Bf8 {[%emt 0:03:09]} h5 {[%emt 0:00:34]} 38. h4 {[%emt 0:00:06]} Kf5 {[%emt 0:00:25]} 39. Be7 {[%emt 0:00:27] The position is equal.} Ke6 {[%emt 0:00:36]} 40. Bd8 {[%emt 0:00:05]} gxh4 {[%emt 0:00:07]} 41. gxh4 {[%emt 0:00:05]} Kf5 {[%emt 0:00:08]} 42. Be7 {[%emt 0:00:13]} Ke6 {[%emt 0:00:14]} 43. Bd8 {[%emt 0:00:05]} Kf5 {[%emt 0:00:02]} 44. Be7 {[%emt 0:00:04]} Ke6 {[%emt 0:00:02] Weighted Error Value: White=0.03 (flawless) /Black=0.02 (flawless)} 1/2-1/2

[Event "13th Chennai Open 2022"]
[Site "Chennai"]
[Date "2022.06.23"]
[Round "7.5"]
[White "Saravana, Krishnan P."]
[Black "Deepan Chakkravarthy J."]
[Result "1/2-1/2"]
[ECO "B30"]
[WhiteElo "2269"]
[BlackElo "2478"]
[Annotator "TA"]
[PlyCount "99"]
[EventDate "2022.06.19"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 11,99,12,25,25,33,20,38,20,33,6,27,0,0,-8,-13,-24,-18,-25,-21,-20,-17,-30,-4,-12,-17,-63,-12,-19,-8,-17,-14,-19,-14,-12,0,-37,0,0,0,0,0,0,4,12,7,0,0,0,0,0,54,35,47,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 {[%emt 0:00:03]} c5 {[%emt 0:08:38]} 2. Nf3 {[%emt 0:00:08]} Nc6 {[%emt 0:00:35]} 3. Bb5 {[%emt 0:03:36]} e6 {[%emt 0:00:06]} 4. O-O {[%emt 0:00:16]} Nge7 {[%emt 0:00:06]} 5. d4 {[%emt 0:00:30]} cxd4 {[%emt 0:00:11]} 6. Nxd4 {[%emt 0:00:06]} Qb6 {[%emt 0:00:03] 6...Ng6 is the hot move.} 7. Nxc6 {[%emt 0:01:15] B30: Sicilian: 2...Nc6 3 Bb5, lines without ...g6.} bxc6 {[%emt 0:05:37]} 8. Bd3 {[%emt 0:00:07]} Ng6 {[%emt 0:02:59]} 9. Nc3 {[%emt 0:00:15] [#] White is slightly better.} Bd6 $146 {[%emt 0:09:04]} ({Predecessor:} 9... Be7 10. Na4 Qc7 11. c4 c5 12. f4 Bb7 13. Nc3 O-O 14. Qh5 Qd6 15. Qe2 f5 {1-0 (47) Hou,Y (2658)-Muzychuk,M (2544) Chess.com INT 2020}) 10. Kh1 {[%emt 0:00:14]} e5 {[%emt 0:02:58]} (10... Nf4 {is interesting.} 11. Bc4 Be5 12. g3 Ng6) 11. Ne2 {[%emt 0:10:59]} O-O {[%emt 0:01:38]} 12. Ng3 {[%emt 0:03:52]} Bc5 {[%emt 0:01:04]} 13. Nf5 {[%emt 0:10:19]} d5 {[%emt 0:01:28]} 14. Qh5 {[%emt 0:03:53]} Re8 {[%emt 0:08:15]} (14... Bxf2 $2 15. Nxg7 Qd4 16. Nf5 Bxf5 17. exf5 $18 (17. Qxf5 Be3 $16)) 15. Be3 {[%emt 0:07:06]} Bxf5 {[%emt 0:17:10]} 16. Qxf5 {[%emt 0:03:43]} Re6 {[%emt 0:06:14]} 17. Bxc5 {[%emt 0:12:22]} Qxc5 {[%emt 0:00:09]} 18. g3 {[%emt 0:01:46]} (18. Qf3 $11) 18... Qb6 {[%emt 0:05:40]} (18... Rf6 $15 19. Qg4 Rxf2) 19. Qf3 $11 {[%emt 0:01:49]} Rd8 {[%emt 0:02:22]} 20. Qe3 {[%emt 0:02:12]} Qxe3 {[%emt 0:08:33]} 21. fxe3 {[%emt 0:00:05]} Ne7 {[%emt 0:00:05]} 22. Kg1 {[%emt 0:18:31]} h5 {[%emt 0:06:55]} 23. a4 {[%emt 0:06:05]} Rb8 {[%emt 0:02:37]} 24. b3 {[%emt 0:03:56]} g6 {[%emt 0:00:29]} 25. exd5 {[%emt 0:00:38]} cxd5 {[%emt 0:00:25][%cal Bc6d5,Bd5e4][%mdl 32]} 26. e4 {[%emt 0:00:11]} dxe4 {[%emt 0:06:57]} 27. Bc4 {[%emt 0:00:45]} Rc6 {[%emt 0:00:01]} 28. Bxf7+ {[%emt 0:00:54]} Kg7 {[%emt 0:00:03]} 29. Bc4 {[%emt 0:00:31] [#] Rf7+ is the strong threat.} Nf5 $1 {[%emt 0:00:11]} 30. Bd5 {[%emt 0:04:10][%csl LRc6,LRe4]} (30. Rad1 {looks sharper.} Ne3 31. Rd7+ Kh6 32. Rff7) 30... Rc5 {[%emt 0:02:00]} (30... Rxc2 $11 31. Bxe4 Re2) 31. Bxe4 $14 {[%emt 0:00:38]} Nd6 {[%emt 0:00:03]} 32. Rae1 {[%emt 0:03:09]} (32. Bg2 $14 {should be considered.}) 32... Nxe4 $11 {[%emt 0:00:33] The position is equal.} 33. Rxe4 {[%emt 0:00:05]} Rxc2 {[%emt 0:00:02]} 34. Rxe5 {[%emt 0:01:16]} Rxb3 {[%emt 0:00:04][%mdl 4096] [#] Endgame And now ...Rbb2 would win. KRR-KRR} 35. Re7+ {[%emt 0:00:34]} Kh6 {[%emt 0:00:06]} 36. Rf2 $1 {[%emt 0:00:06]} ({Much weaker is} 36. Rxa7 Rbb2 37. Rf3 Rg2+ 38. Kh1 Rxh2+ 39. Kg1 Rbg2+ 40. Kf1 Ra2 $17) 36... Rxf2 {[%emt 0:01:14]} 37. Kxf2 {[%emt 0:00:05] KR-KR} Rb2+ {[%emt 0:00:01]} 38. Kg1 {[%emt 0:00:40]} Ra2 {[%emt 0:00:35]} 39. Rxa7 {[%emt 0:00:18]} Kg5 {[%emt 0:00:13]} 40. Ra6 {[%emt 0:01:15]} h4 {[%emt 0:00:32]} 41. gxh4+ {[%emt 0:01:16]} Kxh4 {[%emt 0:00:02]} 42. a5 {[%emt 0:00:39]} Kh3 {[%emt 0:01:12]} 43. Ra8 {[%emt 0:00:37]} Rg2+ {[%emt 0:00:15]} 44. Kf1 {[%emt 0:00:05]} Ra2 {[%emt 0:00:03]} 45. Kg1 {[%emt 0:00:39]} Rg2+ {[%emt 0:00:04]} 46. Kf1 {[%emt 0:00:03] Threatening mate with Rh8+.} Ra2 {[%emt 0:00:03]} 47. a6 {[%emt 0:01:23] Strongly threatening a7.} Kxh2 {[%emt 0:00:40]} 48. a7 {[%emt 0:00:06] Rh8+ would kill now.} Kg3 {[%emt 0:00:03]} 49. Rg8 {[%emt 0:00:04]} Rxa7 {[%emt 0:00:04]} 50. Rxg6+ {[%emt 0:00:03] Weighted Error Value: White=0.07 (flawless) /Black=0.07 (flawless)} 1/2-1/2

[Event "13th Chennai Open 2022"]
[Site "Chennai"]
[Date "2022.06.23"]
[Round "7.6"]
[White "Ajay Karthikeyan"]
[Black "Baghdasaryan, Vahe"]
[Result "1/2-1/2"]
[ECO "B51"]
[WhiteElo "2436"]
[BlackElo "2267"]
[Annotator "TA"]
[PlyCount "88"]
[EventDate "2022.06.19"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 16,88,19,22,20,10,20,13,25,20,22,15,42,24,30,17,27,12,22,6,27,17,47,9,15,0,17,19,17,-7,107,94,115,28,27,29,26,24,29,29,30,0,0,0,25,19,20,18,65,63,68,39,124,58,91,86,143,145,143,135,149,154,292,289,285,270,294,296,291,273,276,280,345,105,133]} 1. e4 {[%emt 0:00:03]} c5 {[%emt 0:02:47]} 2. Nf3 {[%emt 0:00:08]} Nc6 {[%emt 0:03:34]} 3. Bb5 {[%emt 0:00:10]} d6 {[%emt 0:00:39]} 4. O-O {[%emt 0:00:19]} Bd7 {[%emt 0:00:45]} 5. Re1 {[%emt 0:00:05]} Nf6 {[%emt 0:00:31]} 6. c3 {[%emt 0:00:22]} a6 {[%emt 0:00:08]} 7. Bf1 {[%emt 0:00:06]} Bg4 {[%emt 0:00:07]} 8. h3 {[%emt 0:01:28]} Bxf3 {[%emt 0:04:54]} 9. Qxf3 {[%emt 0:00:12]} e6 {[%emt 0:00:12] The modern move. B51: Sicilian: Moscow Variation (3 Bb5+) without 3...Bd7.} 10. d3 {[%emt 0:00:09]} Be7 {[%emt 0:01:16]} 11. Nd2 {[%emt 0:00:05]} O-O {[%emt 0:05:46] The position is equal.} 12. Qg3 {[%emt 0:00:20]} d5 {[%emt 0:01:02]} 13. e5 {[%emt 0:06:51]} Nd7 {[%emt 0:02:29]} 14. Nf3 {[%emt 0:00:16]} Kh8 {[%emt 0:00:11] [#]} 15. h4 $146 {[%emt 0:02:58]} ({Predecessor:} 15. Bd2 Qc7 16. a3 Rac8 17. d4 Na5 18. Rab1 Nc4 19. Bf4 cxd4 20. cxd4 Qb6 21. Bd3 {1-0 (48) Thompson,B (2324)-Cumming,D (2306) ICCF email 2016}) 15... b5 {[%emt 0:09:18]} 16. Qg4 {[%emt 0:16:26]} Rb8 {[%emt 0:07:37]} 17. g3 {[%emt 0:07:04]} d4 {[%emt 0:07:53]} 18. Qe4 {[%emt 0:07:35]} Qc7 {[%emt 0:03:59]} 19. Bg2 {[%emt 0:00:47][%cal Rc3d4]} dxc3 {[%emt 0:01:04]} 20. bxc3 {[%emt 0:00:04]} b4 {[%emt 0:01:44]} 21. Ng5 {[%emt 0:15:50]} Bxg5 {[%emt 0:04:04]} 22. Bxg5 {[%emt 0:00:04]} Rb6 {[%emt 0:14:17]} (22... Rfc8 $1 $11 {remains equal.}) 23. d4 $16 {[%emt 0:14:53]} c4 {[%emt 0:13:26]} 24. d5 {[%emt 0:04:39] White is more active.} (24. Rec1 $16) 24... exd5 $11 {[%emt 0:02:59]} 25. Qxd5 {[%emt 0:00:30] Strongly threatening Be3.} Ncxe5 {[%emt 0:00:30]} 26. Be7 {[%emt 0:00:30][%csl LRb4,LRf8] A strong pair of Bishops.} Re8 {[%emt 0:00:30]} 27. Bxb4 {[%emt 0:00:30] Black must now prevent Ba5.} Rbe6 {[%emt 0:00:30]} 28. Rf1 {[%emt 0:00:30]} Nd3 {[%emt 0:00:30]} 29. Ba5 {[%emt 0:00:30]} Nb6 {[%emt 0:00:30]} (29... Qc8 $5 {[%cal Re6e5]} 30. Bh3 R6e7 $14) 30. Bxb6 {[%emt 0:00:30]} Rxb6 {[%emt 0:00:30]} 31. Rab1 {[%emt 0:00:30] Hoping for Rxb6.} Rxb1 {[%emt 0:00:30]} (31... Rd8 $11 {is more appropriate.} 32. Qa5 Rdb8) 32. Rxb1 $14 {[%emt 0:00:30] Threatens to win with Rb7.} Qa7 {[%emt 0:00:30]} 33. Qf3 {[%emt 0:00:30] aiming for Rb7.} f6 {[%emt 0:00:30] [#]} ({Black should play} 33... Qe7 $14) 34. Bf1 {[%emt 0:00:30]} (34. Qf5 $1 $16) 34... Ne5 {[%emt 0:00:30]} 35. Qd5 $40 {[%emt 0:00:30][%mdl 128] White has strong attack.} Ng4 {[%emt 0:00:30]} (35... Qc7 $142) 36. Qd4 $16 {[%emt 0:00:30]} Qxd4 {[%emt 0:00:30]} 37. cxd4 {[%emt 0:00:30][%mdl 4096] Endgame KRB-KRN} c3 {[%emt 0:00:30]} 38. Rc1 {[%emt 0:00:30]} Rc8 {[%emt 0:00:30]} (38... g5 $16 39. hxg5 (39. Rxc3 gxh4 40. gxh4 Rd8 $16) (39. Bxa6 gxh4 40. gxh4 Rd8 $18) 39... fxg5 40. Rxc3 Rd8) 39. Bxa6 $18 {[%emt 0:00:30]} Rc7 {[%emt 0:00:30]} 40. Bd3 {[%emt 0:00:30]} g6 {[%emt 0:00:30]} 41. a4 {[%emt 0:00:30][%cal Ba2a4,Ba4a5,Ba5a6][%mdl 32]} f5 {[%emt 0:00:30]} 42. a5 {[%emt 0:00:30]} Nf6 {[%emt 0:00:30]} 43. a6 {[%emt 0:00:30]} Nd5 {[%emt 0:00:30] [#]} 44. Ra1 $2 {[%emt 0:00:30]} (44. Rb1 $1 $18 {[%cal Rb1b8]}) 44... Ra7 {[%emt 0:00:30] Weighted Error Value: White=0.19 (very precise) /Black=0.23 (precise)} 1/2-1/2

[Event "13th Chennai Open 2022"]
[Site "Chennai"]
[Date "2022.06.23"]
[Round "7.7"]
[White "Jubin Jimmy"]
[Black "Srihari L R"]
[Result "0-1"]
[ECO "E36"]
[WhiteElo "2259"]
[BlackElo "2404"]
[Annotator "TA"]
[PlyCount "78"]
[EventDate "2022.06.19"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 12,78,7,0,0,8,5,0,0,0,0,-17,-16,-164,0,0,0,0,0,-350,-318,-362,-354,-370,-379,-366,-350,-546,-544,-545,-420,-1181,-393,-386,-64,-51,0,-103,-102,-124,-80,-110,0,0,0,0,0,0,42,-180,-174,-430,-304,-1545,-893,-1406,-433,-728,-748,-1484,-685,-686,-657,-782,-779,-859,-846,-780,-777]} 1. d4 {[%emt 0:05:20]} Nf6 {[%emt 0:00:24]} 2. c4 {[%emt 0:00:06]} e6 {[%emt 0:00:07]} 3. Nc3 {[%emt 0:00:06]} Bb4 {[%emt 0:00:08]} 4. Qc2 {[%emt 0:00:05]} O-O {[%emt 0:00:08]} 5. a3 {[%emt 0:00:07]} Bxc3+ {[%emt 0:00:06]} 6. Qxc3 {[%emt 0:00:04]} d5 {[%emt 0:00:10]} 7. Bg5 {[%emt 0:00:04]} c5 {[%emt 0:00:40] E36: Nimzo-Indian: Classical: 4...d5 5 a3.} 8. dxc5 {[%emt 0:03:57] Threatening Bxf6.} d4 {[%emt 0:00:24]} 9. Qg3 {[%emt 0:00:11] 9.Qf3 is the modern continuation.} Nbd7 {[%emt 0:00:10] The position is equal.} 10. Nf3 {[%emt 0:07:35]} e5 $1 {[%emt 0:00:49]} 11. Nxe5 {[%emt 0:14:37]} Nxc5 {[%emt 0:00:47][%cal Oh7h6] [#]} 12. O-O-O $146 {[%emt 0:01:09]} (12. Qf3 $11) ({Predecessor:} 12. Nd3 Nce4 13. Bxf6 Nxf6 14. e3 Re8 15. O-O-O dxe3 16. fxe3 Bg4 17. Rd2 Qb6 18. Be2 Bxe2 19. Rxe2 {½-½ (75) Georgiev,K (2669)-Kosintseva,N (2552) Caleta 2011}) 12... Re8 $2 {[%emt 0:00:25]} (12... Bf5 $1 $19 13. b4 (13. Bh6 $2 Nh5 $19) 13... Nce4) 13. Qf4 $11 {[%emt 0:06:09]} (13. Bh6 $2 Nh5 14. Qg5 Qxg5+ 15. Bxg5 Rxe5 $19) 13... Qa5 {[%emt 0:29:52]} 14. Bxf6 {[%emt 0:03:56]} gxf6 {[%emt 0:03:51]} 15. Nf3 {[%emt 0:12:25][%mdl 8192]} (15. Qxf6 $2 Rxe5 $1 {[%mdl 512]} 16. g4 Nb3+ 17. Kc2 Re6 $19) (15. Nd3 $11) 15... Re4 $1 $19 {[%emt 0:03:36]} 16. Qxf6 {[%emt 0:10:10] [#]} Bf5 $1 {[%emt 0:02:39][%mdl 512]} 17. Rd3 {[%emt 0:07:59][%cal Oc1b1] Against Nb3+} (17. Ng5 $2 Nb3+ 18. Kb1 Rxe2+ 19. Qxf5 Qxf5+ $19) (17. Nd2 Re6) 17... Bg6 {[%emt 0:07:14] aiming for ...Rae8. Active counter play!} 18. Kb1 {[%emt 0:10:00]} Qa4 {[%emt 0:05:28]} 19. Qg5 {[%emt 0:01:31]} (19. Nxd4 $142 Nxd3 20. exd3 Qd1+ 21. Ka2) 19... Rc8 $1 {[%emt 0:01:56]} 20. h4 {[%emt 0:03:24]} h5 {[%emt 0:00:29]} 21. Ne5 {[%emt 0:00:56]} (21. g4 $142 Rxg4 22. Qd2) 21... Nxd3 $2 {[%emt 0:00:22]} (21... Rxe5 22. Qxe5 Qxc4) 22. exd3 {[%emt 0:01:23] [#]} Re1+ {[%emt 0:01:14]} (22... Rxe5 $1 $19 {[%mdl 512]} 23. Qxe5 Re8 24. Qxd4 Re1+ 25. Ka2 Qc2) 23. Ka2 $15 {[%emt 0:00:02]} Kg7 {[%emt 0:05:15]} (23... Qa5 $15 24. f4 Rc6 $1 25. Nxc6 Qxg5 26. hxg5 bxc6) 24. Nf3 {[%emt 0:02:51]} (24. Nxg6 $11 {was the only way to keep the balance.} fxg6 25. Qd5) 24... Rd1 {[%emt 0:04:13] The board is on fire.} 25. Nxd4 {[%emt 0:03:15] Nf5+ is the strong threat.} Qd7 {[%emt 0:01:07] Inhibits Nf5+.} 26. Nb5 {[%emt 0:02:42]} Re8 {[%emt 0:00:30]} (26... f6 $17 27. Qg3 Re8) 27. Nc3 $11 {[%emt 0:00:30]} ({Don't go for} 27. Nxa7 $2 Ree1 28. Nb5 Ra1+ 29. Kb3 Rxf1 $19) 27... Rde1 {[%emt 0:00:30]} ({But not} 27... f6 28. Qf4 Rde1 29. Nd5 $11) 28. Nd5 {[%emt 0:00:30] Black must now prevent Qf6+.} Qf5 $36 {[%emt 0:00:30][%mdl 2048] Inhibits Qf6+. Threatens to win with ...Qxg5. White is under pressure.} 29. Qd2 {[%emt 0:00:30]} b5 {[%emt 0:00:30] Strongly threatening ...bxc4.} 30. Qc3+ {[%emt 0:00:30]} (30. Nc7 $1 $14 {is the one way to stay ahead.}) 30... Qe5 $19 {[%emt 0:00:30]} ({Not} 30... f6 31. g4 Qe5 32. gxh5 Qxc3 33. Nxc3 $17) 31. d4 $2 {[%emt 0:00:30]} (31. Nc7 {was worth a try.} Re7 32. Nxb5) 31... Qf5 {[%emt 0:00:30] ( -> ...Qb1+)} 32. Ne3 $2 {[%emt 0:00:30]} (32. Bd3 Qxd3 33. Rxe1 Rxe1 34. Qxe1 Qxc4+ 35. Ka1 Qxd5 36. Qe5+ Qxe5 37. dxe5) 32... Qb1+ {[%emt 0:00:30] Black is clearly winning.} 33. Kb3 {[%emt 0:00:30] [#]} bxc4+ {[%emt 0:00:30]} (33... R1xe3 $142 $1 {[%mdl 512]} 34. Qxe3 bxc4+ 35. Bxc4 Rxe3+ 36. fxe3 Qxh1) 34. Kb4 {[%emt 0:00:30]} (34. Ka4 $142 R8xe3 35. fxe3) 34... Rb8+ {[%emt 0:00:30][%cal Be8b8,Bb8b2,Bb2f2,Bf2f1][%mdl 96] Skewer} 35. Kc5 {[%emt 0:00:30] [#]} Qxb2 {[%emt 0:00:30]} 36. Qxb2 {[%emt 0:00:30]} Rxb2 {[%emt 0:00:30]} 37. Nxc4 {[%emt 0:00:30]} Rxf2 {[%emt 0:00:30]} 38. d5 {[%emt 0:00:30]} Rexf1 {[%emt 0:00:30]} 39. Rxf1 {[%emt 0:00:30]} Rxf1 {[%emt 0:00:30] Weighted Error Value: White=1.28/Black=0.59} 0-1

[Event "13th Chennai Open 2022"]
[Site "Chennai"]
[Date "2022.06.23"]
[Round "7.8"]
[White "Stupak, Kirill"]
[Black "Pawar, Harshit"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "2440"]
[BlackElo "1961"]
[Annotator "TA"]
[PlyCount "127"]
[EventDate "2022.06.19"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 11,127,23,23,10,7,19,23,20,18,7,9,0,0,0,0,0,31,0,0,-25,-33,-43,-15,-37,-14,-42,-56,-67,-71,-70,-78,-83,-86,-92,-79,-88,0,0,0,-114,-89,-85,-75,-84,0,-117,-118,-113,-99,-91,-94,-100,-93,-72,-53,-47,-77,-84,-10,-10,-22,-24,-24,-44,6,0,22,13,40,-18,68,63,126,8,56,0,0,0,145,56,418,144,114,53,62,62,153,148,206,213,229,213,321,312,264,301,400,399,363,384,1166,1168,1100,1112,29994,576,599,531,463,237,542,560,972,961,953,931,837,759]} 1. e4 c5 2. c3 d6 3. d4 Nf6 4. Bd3 e5 5. dxe5 dxe5 6. Nf3 Nc6 {[%cal Oc5c4]} 7. O-O {B07: Pirc Defence: Miscellaneous Systems.} a6 8. a4 Be7 9. Qe2 {White has an edge.} Qc7 10. h3 O-O 11. Bg5 Nh5 12. Be3 Be6 13. Nbd2 Rad8 {[#]} 14. Rfd1 $146 ({Predecessor:} 14. Bc4 Bxc4 15. Nxc4 h6 16. a5 Nf4 17. Bxf4 exf4 18. Nb6 Bd6 19. Rfd1 Qe7 20. Nd2 {0-1 (42) Smirnov,P (2422)-Landa,K (2542) Tomsk 1999}) 14... Na5 15. Bc2 g6 16. Nh2 Rd7 (16... Kg7 {looks sharper.} 17. Nhf3 Rfe8 18. Ng5 Bxg5 19. Bxg5 Nf4) 17. Ng4 Rfd8 18. Nh6+ Kh8 19. Qf3 Nf4 20. Ng4 {[%cal Oh3h4]} f6 21. Nh2 Kg7 22. Nhf1 Nd3 23. b3 Nb2 (23... Nf4 $17) 24. Rdb1 $11 Nd3 25. h4 (25. Rd1 $1 $11) 25... h5 {White must now prevent ...Bg4.} 26. g3 Bg4 27. Qh1 {[#]} Be6 (27... Nf4 $1 $17 {Hoping for ...Ne2+.} 28. f3 (28. gxf4 exf4 29. Nc4 Nxc4 $17) 28... Nh3+ 29. Kh2 Be6) 28. f3 (28. Qf3 $11) 28... c4 29. b4 {Against Bc5} Nb3 30. Nxb3 cxb3 31. Bxb3 Bxb3 32. Rxb3 Qc4 33. Nd2 Qe6 {[%cal Od3f4]} 34. Qh2 {[#]} a5 (34... f5 $1 $17 {[%cal Of5f4] And now ...f4! would win.} 35. exf5 gxf5) 35. bxa5 Bc5 {Prevents Rb6.} 36. Bxc5 Nxc5 37. Rb2 Nd3 (37... Rd3 $15) 38. Rc2 Qc6 39. Nf1 $1 Nc5 40. Ne3 (40. Qe2 $14) 40... Rd3 (40... f5 $11) 41. Qf2 $14 Nb3 (41... Qc7 $14) 42. Re1 ({Only move:} 42. Rb1 $16 Nc5 43. Nd5) 42... Qxa4 (42... Rxc3 $11 {is more appropriate.} 43. Rxc3 Qxc3) 43. Ra2 ({White should play} 43. Nd5 $14) 43... Qc6 $11 44. Nd5 Qc4 (44... R8xd5 $11 45. exd5 Qxc3) 45. Qb6 (45. Rb1 $16) 45... Rf8 $2 {[%mdl 8192]} (45... Qc5+ $14 46. Kg2 Qxb6 47. axb6 Rd7) 46. Rf2 $2 (46. Qxb7+ $18 {and the rest is easy.} Rf7 47. Qb4 Qxb4 48. cxb4) 46... Rf7 $16 {[#]} 47. Qb4 {Prevents Qa4. White is more active.} (47. Kg2 $1 $16) 47... Qxb4 $14 48. cxb4 f5 {Black is now going downhill.} (48... Nd4 $14 49. Kg2 Rb3) 49. Re3 $36 {[%mdl 2048] Keeping Black busy.} fxe4 (49... Rxe3 $16 {keeps fighting.} 50. Nxe3 Nd4) 50. fxe4 $18 Rd1+ 51. Kg2 Rxf2+ (51... Rd2 $142 52. Rxd2 Nxd2) 52. Kxf2 {[%mdl 4096] Endgame KRN-KRN} Nd4 53. Rc3 {Threatens to win with Rc7+.} Rd2+ 54. Ke3 Rg2 55. Rc7+ Kh8 $2 (55... Kh6 56. Rxb7 Rxg3+ 57. Kd2 g5) 56. Rxb7 {White threatens Nf6 and mate.} Rxg3+ 57. Kd2 {Threatening mate with Nf6.} Ra3 58. Nc7 (58. Nf6 $142 Nf3+ 59. Kc1 Ng5 60. hxg5 Rc3+ 61. Kd2 Rc2+ 62. Kxc2 h4 63. Rh7#) 58... Nb3+ 59. Ke2 {aiming for a6.} Nd4+ 60. Kd1 Ra1+ $2 (60... g5 {is more resistant.}) 61. Kd2 {White is clearly winning.} Nb3+ 62. Kc2 Nxa5 63. Ra7 Ra2+ 64. Kb1 {[%emt 0:32:00] Weighted Error Value: White=0.46/Black=0.56} 1-0

[Event "13th Chennai Open 2022"]
[Site "Chennai"]
[Date "2022.06.23"]
[Round "7.9"]
[White "Srijit Paul"]
[Black "Daakshin Arun"]
[Result "0-1"]
[ECO "B90"]
[WhiteElo "2399"]
[BlackElo "2016"]
[Annotator "TA"]
[PlyCount "48"]
[EventDate "2022.06.19"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 11,48,11,36,20,22,5,21,0,7,-19,-45,-63,0,-21,-23,-97,-97,-190,-116,-196,-143,-177,-178,-174,-172,-172,-171,-175,-173,-237,-231,-645,-612,-29987,-29988,-29988,-29989,-29997,-29998]} 1. e4 {[%emt 1:31:00]} c5 {[%emt 0:00:06]} 2. Nf3 {[%emt 0:00:00]} d6 {[%emt 0:00:05]} 3. d4 {[%emt 0:00:00]} cxd4 {[%emt 0:00:06]} 4. Nxd4 {[%emt 0:00:00]} Nf6 {[%emt 0:00:07]} 5. Nc3 {[%emt 0:00:00]} a6 {[%emt 0:00:03]} 6. h3 {[%emt 0:00:00]} Nc6 {[%emt 0:00:30]} 7. g4 {[%emt 0:00:00] B90: Sicilian Najdorf: Unusual White 6th moves, 6 Be3 Ng4 and 6 Be3 e5.} g6 {[%emt 0:00:20]} 8. Bg2 {[%emt 0:00:00]} Nxd4 {[%emt 0:01:32]} 9. Qxd4 {[%emt 0:00:00] The position is equal.} Bg7 $1 {[%emt 0:00:28]} 10. g5 {[%emt 0:00:00]} Nh5 {[%emt 0:00:58]} 11. Qd3 {[%emt 0:00:00]} Be6 {[%emt 0:05:12]} (11... Bd7 $15) 12. Bf3 {[%emt 0:00:00] [#]} Rc8 $146 {[%emt 0:03:57]} ({Predecessor:} 12... b5 13. Bxh5 gxh5 14. Be3 Bc4 15. Qd2 Rc8 16. Bd4 Bxd4 17. Qxd4 e5 18. Qd2 b4 {0-1 (42) Aharon,O (2118)-Schiendorfer,E (2240) Vung Tau 2008}) 13. Bd2 {[%emt 0:00:00]} (13. Nd5 $11 {remains equal.}) 13... Qb6 $1 $36 {[%emt 0:03:32][%mdl 2048] White is under strong pressure.} 14. Bxh5 {[%emt 0:00:00]} (14. Nd1 $17 {is a better defense.}) 14... gxh5 {[%emt 0:09:06]} (14... Qxb2 $19 15. Rb1 Rxc3 $1 16. Rxb2 Rxd3 17. cxd3 Bxb2) 15. Na4 {[%emt 0:00:00] [#]} (15. Rb1 $17 {was necessary.}) 15... Qc6 {[%emt 0:00:48]} (15... Qb5 $1 $19 {[%cal Rb5a4]} 16. Qxb5+ axb5) 16. Bc3 {[%emt 0:00:00]} Qxa4 {[%emt 0:06:07]} 17. Bxg7 {[%emt 0:00:00]} Rg8 {[%emt 0:00:29][%cal Bh8g8,Bg8g5,Bg5g2][%mdl 32]} 18. Bc3 {[%emt 0:00:00]} Rxg5 {[%emt 0:02:40]} 19. a3 {[%emt 0:00:00]} d5 {[%emt 0:07:28]} 20. f3 {[%emt 0:00:00]} (20. O-O-O {was worth a try.}) 20... Rg2 $19 {[%emt 0:07:49] ...d4 is the strong threat.} 21. O-O-O $2 {[%emt 0:00:00]} (21. Rd1) 21... d4 $1 {[%emt 0:01:28] Hoping for ...Rxc3.} 22. Bxd4 {[%emt 0:00:00]} Rcxc2+ {[%emt 0:00:07] Black mates.} 23. Kb1 {[%emt 0:00:00]} Bc4 {[%emt 0:00:27]} 24. Qe3 {[%emt 0:00:00] [#]} Rxb2+ $3 {[%emt 0:00:03][%mdl 512] Weighted Error Value: White=0.97/Black=0.10 (very precise)} 0-1

[Event "13th Chennai Open 2022"]
[Site "Chennai"]
[Date "2022.06.23"]
[Round "7.10"]
[White "Nguyen, Duc Hoa"]
[Black "Arpith S Bijoy"]
[Result "1-0"]
[ECO "E06"]
[WhiteElo "2398"]
[BlackElo "1713"]
[Annotator "TA"]
[PlyCount "45"]
[EventDate "2022.06.19"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 20,45,36,36,72,44,111,110,114,115,109,115,166,161,200,194,222,206,211,208,381,365,431,445,441,398,425,416]} 1. d4 {[%emt 0:00:02]} d5 {[%emt 0:00:16]} 2. c4 {[%emt 0:00:06]} e6 {[%emt 0:00:15]} 3. Nf3 {[%emt 0:00:07]} Nf6 {[%emt 0:00:43]} 4. g3 {[%emt 0:00:16]} c5 {[%emt 0:00:25]} 5. cxd5 {[%emt 0:00:13]} exd5 {[%emt 0:00:23]} 6. Bg2 {[%emt 0:00:26]} Nc6 {[%emt 0:01:24]} 7. O-O {[%emt 0:00:33]} Be7 {[%emt 0:00:21]} 8. dxc5 {[%emt 0:03:34]} Bxc5 {[%emt 0:00:38]} 9. a3 {[%emt 0:00:46]} a5 {[%emt 0:02:09]} 10. Nc3 {[%emt 0:00:30]} O-O {[%emt 0:01:36]} 11. Bg5 {[%emt 0:00:50]} Be6 {[%emt 0:23:12] E06: Closed Catalan: Early deviations.} 12. Rc1 {[%emt 0:00:59] [#]} h6 $146 {[%emt 0:04:15]} ({Black should play} 12... Ba7 $14) ({Predecessor:} 12... Ba7 13. Nb5 h6 14. Nxa7 Rxa7 15. Be3 Ra8 16. Nd4 Nxd4 17. Qxd4 Rc8 18. Rxc8 Qxc8 19. Bxh6 {1-0 (29) Garcia Garcia,A (2247)-Zaichenko,D (2104) Chess.com INT 2021}) 13. Bxf6 $16 {[%emt 0:03:20]} Qxf6 {[%emt 0:00:36] White is better.} 14. Nxd5 {[%emt 0:00:26]} Bxd5 {[%emt 0:00:08]} 15. Qxd5 {[%emt 0:01:04]} Bb6 {[%emt 0:03:35] [#]} (15... b6 $16) 16. e3 $1 $18 {[%emt 0:00:53]} Ba7 {[%emt 0:31:28]} 17. Qb5 {[%emt 0:00:42]} Qe7 {[%emt 0:00:17]} 18. Nh4 {[%emt 0:03:23][%cal Bf3h4,Bh4f5,Bf5e3][%mdl 32]} Ne5 {[%emt 0:03:37]} 19. Rfd1 {[%emt 0:00:22]} ({Don't take} 19. Bxb7 $6 Rab8 $16) (19. Qxb7 $6 Qxb7 20. Bxb7 Rab8) 19... Ng4 $2 {[%emt 0:07:48] [#]} (19... g6 {was necessary.} 20. h3 (20. Bxb7 Rab8 $15) (20. Qxb7 Qxb7 21. Bxb7 Rab8 $18) 20... a4) 20. Nf5 {[%emt 0:00:33]} Qe5 {[%emt 0:05:11]} 21. Rd5 {[%emt 0:01:15]} Qe6 {[%emt 0:01:55]} 22. Bf3 {[%emt 0:05:13]} Nxe3 {[%emt 0:03:17]} 23. Nxe3 {[%emt 0:00:12] Black did not feel at home in the position after the opening.  Weighted Error Value: White=0.00 (flawless) /Black=0.46} ({Weaker is} 23. Re5 Nxf5 24. Rxe6 Nd4 $18) 1-0

[Event "13th Chennai Open 2022"]
[Site "Chennai"]
[Date "2022.06.23"]
[Round "7.11"]
[White "Prasannaa.s"]
[Black "Harsh Suresh"]
[Result "1-0"]
[ECO "A41"]
[WhiteElo "2164"]
[BlackElo "2392"]
[Annotator "TA"]
[PlyCount "113"]
[EventDate "2022.06.19"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 13,113,44,93,41,67,22,29,0,0,0,0,0,0,0,9,-30,0,-32,0,0,0,-10,0,0,0,0,106,112,118,114,113,106,102,110,90,71,78,71,174,165,564,172,170,71,68,94,164,143,175,178,181,192,176,197,194,186,212,181,310,304,277,270,341,300,395,374,452,426,622,622,627,560,1341,1085,1112,1491,1578,1416,1300,1204,1006,933,1562,1093,1501,1375,29977,29978,29978,29979,29979,29980,29980,29981,29978,29981,29980,29981,29982,29984,29984,29983]} 1. e4 {[%emt 0:02:14]} g6 {[%emt 0:00:01]} 2. d4 {[%emt 0:00:26]} Bg7 {[%emt 0:00:02]} 3. c4 {[%emt 0:01:59]} d6 {[%emt 0:02:00]} 4. Nc3 {[%emt 0:00:06]} e5 {[%emt 0:08:44]} 5. dxe5 {[%emt 0:03:38]} dxe5 {[%emt 0:00:20]} 6. Qxd8+ {[%emt 0:00:12]} Kxd8 {[%emt 0:00:02]} 7. Nf3 {[%emt 0:01:31][%cal Bg1f3,Bf3d2,Bd2b3][%mdl 32]} c6 {[%emt 0:07:07]} (7... Nc6 $14 {might be stronger.}) 8. c5 {[%emt 0:05:59] A41: 1 d4 d6: Tartakower System and Modern Defence.} (8. b4 $16) 8... Nd7 {[%emt 0:09:59]} 9. Be3 {[%emt 0:01:19] [#]} f6 $146 {[%emt 0:05:12]} (9... Ke7 {feels hotter.} 10. Bc4 f6 11. g4 Nf8) ({Predecessor:} 9... Bh6 10. O-O-O Ke7 11. b4 Bxe3+ 12. fxe3 Ngf6 13. Bc4 Ne8 14. Rhf1 f6 15. Nd2 Nf8 {½-½ (26) Mukashev,A (2125)-Bogachkov,I (2324) Moscow 2009}) 10. Nd2 {[%emt 0:04:24] White has an edge.} Bh6 {[%emt 0:03:12]} 11. Nb3 {[%emt 0:01:45]} Bxe3 {[%emt 0:03:00]} 12. fxe3 {[%emt 0:00:02]} Nh6 {[%emt 0:00:11]} 13. Bc4 {[%emt 0:01:41]} Ke7 {[%emt 0:02:13]} 14. Ke2 {[%emt 0:01:23]} Nf8 {[%emt 0:11:45]} 15. h3 {[%emt 0:03:02]} b5 {[%emt 0:15:18]} (15... Ne6 {with more complications.} 16. Rhf1 b6 17. cxb6 axb6 18. a4 Nf7) 16. cxb6 {[%emt 0:01:43]} axb6 {[%emt 0:00:02]} 17. a4 {[%emt 0:00:09][%cal Ba2a4,Ba4a5,Ba5b6,Bb6b7][%mdl 32]} Nf7 {[%emt 0:00:06]} 18. Bxf7 {[%emt 0:03:13]} Kxf7 {[%emt 0:00:01]} 19. a5 {[%emt 0:00:39]} Be6 {[%emt 0:00:37] [#]} (19... bxa5 $11 20. Nxa5 (20. Rxa5 Rxa5 21. Nxa5 Ne6 $15) 20... Ne6) 20. axb6 $1 $16 {[%emt 0:02:55]} Rxa1 {[%emt 0:00:03]} 21. Rxa1 {[%emt 0:06:07]} (21. Nxa1 Nd7 $15) 21... Bxb3 {[%emt 0:16:58]} 22. Ra7+ {[%emt 0:00:50]} Nd7 {[%emt 0:00:29]} 23. Rxd7+ {[%emt 0:00:06][%mdl 4096] Endgame KRB-KRN} Ke6 {[%emt 0:00:01]} 24. Rg7 {[%emt 0:04:04] White is more active.} Rb8 {[%emt 0:04:12]} 25. b7 {[%emt 0:00:06]} h5 {[%emt 0:00:50]} (25... Bc4+ $16 26. Kf3 Ba6) 26. h4 $18 {[%emt 0:04:48]} g5 $2 {[%emt 0:03:01]} (26... Kd6 {is a better chance.} 27. Kf2 (27. Rxg6 Ke7 $14) 27... Ke6) 27. hxg5 $2 {[%emt 0:05:32]} (27. g4 Bc4+ 28. Kf2) 27... fxg5 {[%emt 0:00:03]} 28. Rg6+ {[%emt 0:01:09]} (28. g4 $18 {and White stays clearly on top.}) 28... Kf7 {[%emt 0:01:35]} 29. Rxg5 {[%emt 0:00:09] White leaves nothing to chance now.} Rxb7 {[%emt 0:00:13]} (29... Be6 $16) 30. Rxh5 {[%emt 0:01:20] Strongly threatening Rh7+.} (30. Rxe5 Be6 $16) 30... Bc4+ {[%emt 0:00:06]} 31. Kf3 {[%emt 0:01:28] Threatens to win with Rh7+.} Rxb2 {[%emt 0:00:39]} 32. Rxe5 {[%emt 0:00:03]} Rc2 {[%emt 0:00:14] [#]} 33. Na4 {[%emt 0:01:10]} Be2+ {[%emt 0:02:21] [#]} 34. Kg3 $1 {[%emt 0:01:10]} Kg7 {[%emt 0:00:21]} 35. Rg5+ {[%emt 0:01:00]} Kf7 {[%emt 0:01:15]} (35... Kf6 {was worth a try.} 36. Rf5+ Ke6 37. Nc5+ Ke7) 36. Rc5 {[%emt 0:00:39]} Rd2 {[%emt 0:00:02]} 37. Nc3 {[%emt 0:00:42] And now Rf5+ would win.} ({Don't play} 37. Rxc6 $6 Bf1 38. Kf4 Rxg2 $18) 37... Ba6 {[%emt 0:00:29]} 38. Kf3 {[%emt 0:00:57]} ({Don't do} 38. Rxc6 Bf1 39. Nd5 Bxg2 40. Rc7+ Kf8 $18) 38... Bb7 {[%emt 0:00:08]} 39. Ne2 {[%emt 0:00:46]} Ke6 {[%emt 0:00:07]} 40. e5 {[%emt 0:00:11]} Kd7 {[%emt 0:00:27]} (40... Kf7 $142 41. Nd4 Bc8 42. Nxc6 Bb7) 41. g4 {[%emt 0:01:29]} Kc7 {[%emt 0:00:07]} 42. Nd4 {[%emt 0:03:30]} Kb6 {[%emt 0:00:39] [#]} 43. e6 $1 {[%emt 0:01:10] Black must now prevent e7.} Kxc5 {[%emt 0:01:49]} (43... Rh2 44. e7) 44. e7 {[%emt 0:00:42]} ({Not} 44. Nb3+ Kd6 45. Nxd2 Kxe6 $16) 44... Kb6 {[%emt 0:00:06]} 45. e8=Q {[%emt 0:01:43] Qd8+ is the strong threat.} c5+ {[%emt 0:00:03]} 46. Kf4 {[%emt 0:00:37] Threatening mate with Qb5+.} cxd4 {[%emt 0:00:03] KQ-KRB} 47. Qd8+ {[%emt 0:00:10]} Kb5 {[%emt 0:01:25]} 48. exd4 {[%emt 0:00:32]} Bg2 {[%emt 0:00:51]} 49. Ke3 {[%emt 0:00:29]} Rd1 {[%emt 0:00:05]} 50. Qb8+ {[%emt 0:00:25] White mates.} Kc4 {[%emt 0:00:47]} 51. Qc7+ {[%emt 0:00:29]} Kb3 {[%emt 0:00:17]} 52. Qb6+ {[%emt 0:00:19]} Kc3 {[%emt 0:00:21]} 53. Qc5+ {[%emt 0:00:32]} Kb3 {[%emt 0:00:03]} 54. Qb5+ {[%emt 0:00:07]} Kc3 {[%emt 0:00:25]} 55. Qe2 {[%emt 0:01:09][%csl LRd1,LRg2]} Rxd4 {[%emt 0:00:32]} 56. Qxg2 {[%emt 0:00:34]} Rd3+ {[%emt 0:00:05]} 57. Ke4 {[%emt 0:00:07] Weighted Error Value: White=0.25 (precise) /Black=0.55} 1-0

[Event "13th Chennai Open 2022"]
[Site "Chennai"]
[Date "2022.06.23"]
[Round "7.12"]
[White "Chaithanyaa, K G"]
[Black "Hari Madhavan N B"]
[Result "0-1"]
[ECO "B31"]
[BlackElo "2374"]
[Annotator "TA"]
[PlyCount "62"]
[EventDate "2022.06.19"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 22,62,19,9,25,14,38,41,33,1,0,5,86,93,213,216,191,-192,-184,-168,-172,-227,-220,-255,-262,-262,-256,-236,-256,-344,-345,-339,-324,-383,-282,-518,-515,-510,-483,-507,-437,-664,-559]} 1. e4 {[%emt 0:00:04]} c5 {[%emt 0:00:09]} 2. Nf3 {[%emt 0:00:13]} Nc6 {[%emt 0:00:06]} 3. Bb5 {[%emt 0:00:43]} g6 {[%emt 0:00:40]} 4. O-O {[%emt 0:01:14]} Bg7 {[%emt 0:00:06]} 5. Re1 {[%emt 0:00:14]} Nf6 {[%emt 0:00:38][%cal Bg8f6,Bf6d5,Bd5c7,Bc7e6][%mdl 32]} 6. e5 {[%emt 0:01:04]} Nd5 {[%emt 0:00:17]} 7. Nc3 {[%emt 1:30:28]} Nc7 {[%emt 0:00:36]} 8. Bxc6 {[%emt 0:00:06]} dxc6 {[%emt 0:00:03]} 9. Ne4 {[%emt 0:02:33]} Ne6 {[%emt 0:00:22]} 10. d3 {[%emt 0:01:12]} O-O {[%emt 0:00:30]} 11. Be3 {[%emt 0:01:48]} b6 {[%emt 0:00:16]} 12. Qd2 {[%emt 0:02:59]} Re8 {[%emt 0:01:35] B31: Sicilian: 2...Nc6 3 Bb5 g6.} 13. a4 $1 {[%emt 0:11:23]} Nd4 {[%emt 0:04:52] [#]} 14. Bxd4 $146 {[%emt 0:10:24]} ({Predecessor:} 14. Nxd4 cxd4 15. Bf4 Bf5 16. Ng3 Qd7 17. b3 c5 18. Re2 Be6 19. Rae1 Bd5 20. Bh6 {½-½ (113) Jacobson,B (2491)-Klukin,K (2330) Lichess.org INT 2021}) 14... cxd4 {[%emt 0:00:50] White is slightly better.} 15. Qf4 {[%emt 0:00:37]} Qd5 {[%emt 0:16:40]} 16. a5 {[%emt 0:17:35] Strongly threatening axb6.} Bd7 {[%emt 0:19:41] [#]} (16... c5 $11) 17. Neg5 $1 $16 {[%emt 0:13:50] White is more active.} h6 {[%emt 0:00:55]} (17... Rf8 $16 {was necessary.}) 18. e6 $1 $18 {[%emt 0:06:23]} Bxe6 {[%emt 0:00:23]} 19. Rxe6 $4 {[%emt 0:00:56][%mdl 8192]} hxg5 $19 {[%emt 0:00:20]} 20. Nxg5 {[%emt 0:00:01]} f6 {[%emt 0:03:13]} (20... fxe6 $2 21. Qf7+ Kh8 22. Qxg6 $18) 21. Qe4 {[%emt 0:05:55]} (21. Qg4 {might work better.} Qxg5 22. Qxg5 fxg5 23. Rxg6) 21... Qxg5 {[%emt 0:01:01]} 22. Rxe7 {[%emt 0:00:44]} Rxe7 {[%emt 0:00:06]} 23. Qxe7 {[%emt 0:00:01]} bxa5 {[%emt 0:00:51]} 24. Qe6+ {[%emt 0:00:21]} Kh7 {[%emt 0:00:06]} 25. Qxc6 {[%emt 0:00:04]} Rb8 {[%emt 0:00:04]} 26. b3 {[%emt 0:00:45]} Rb5 {[%emt 0:00:23]} 27. h4 {[%emt 0:02:41]} Qd5 {[%emt 0:01:41]} 28. Qa6 {[%emt 0:02:01] [#]} (28. Qxd5 Rxd5 29. Ra4) 28... Rc5 {[%emt 0:00:17] Black is clearly winning.} 29. Qxa7 {[%emt 0:00:51]} Rxc2 {[%emt 0:00:06]} 30. Re1 {[%emt 0:02:01]} Qc5 {[%emt 0:00:55]} 31. Qa6 {[%emt 0:03:21]} (31. Qd7 $142 Rc1 32. Rxc1 Qxc1+ 33. Kh2) 31... Qf5 {[%emt 0:00:12] Weighted Error Value: White=0.57/Black=0.31} 0-1

[Event "13th Chennai Open 2022"]
[Site "Chennai"]
[Date "2022.06.23"]
[Round "7.13"]
[White "Gusain, Himal"]
[Black "Daksh Goyal"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "2396"]
[BlackElo "1795"]
[Annotator "TA"]
[PlyCount "99"]
[EventDate "2022.06.19"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 9,99,0,-9,-13,0,0,0,-16,-6,-6,-7,-11,16,18,16,8,18,27,27,20,45,-29,-29,-47,0,-61,47,39,76,73,69,72,89,89,148,65,67,73,70,70,154,147,164,159,255,254,276,266,227,233,268,232,337,316,294,86,87,87,101,106,103,85,139,133,190,197,200,204,209,190,243,262,341,333,277,277,287,160,160,148,146,156,159,147,718,716,704,679,645,603,522,416]} 1. d4 {[%emt 0:05:11]} d5 {[%emt 0:01:23]} 2. Bf4 {[%emt 0:00:08]} Nf6 {[%emt 0:00:41]} 3. Nc3 {[%emt 0:00:07]} e6 {[%emt 0:01:30]} 4. Nb5 {[%emt 0:00:27]} Na6 {[%emt 0:00:21]} 5. e3 {[%emt 0:00:09]} Be7 {[%emt 0:03:07]} 6. Nf3 {[%emt 0:00:48] D00: 1 d4 d5: Unusual lines.} Nh5 {[%emt 0:05:49]} 7. Be5 {[%emt 0:00:19]} f6 {[%emt 0:02:47] [#]} 8. g4 $146 {[%emt 0:00:40] The position is equal.} ({Predecessor:} 8. Bg3 O-O 9. c4 c5 10. Nc3 cxd4 11. Nxd4 Nxg3 12. hxg3 Nc7 13. Bd3 f5 14. g4 {1-0 (41) Niemann,H (2645)-Sadhwani,R (2616) Warsaw 2021}) 8... fxe5 {[%emt 0:02:02]} 9. Nxe5 {[%emt 0:00:05]} (9. gxh5 exd4 10. Nbxd4 c5 11. Bxa6 (11. Bb5+ Bd7 $17) 11... Qa5+ 12. Qd2 Qxa6 $17) 9... Nf6 {[%emt 0:16:46] And now ...Nd7 would win.} 10. g5 {[%emt 0:00:05]} Ne4 {[%emt 0:15:12] Threatens to win with ...0-0.} 11. Qh5+ {[%emt 0:00:06]} g6 {[%emt 0:06:42]} 12. Nxg6 {[%emt 0:00:10]} hxg6 {[%emt 0:00:19]} 13. Qxh8+ {[%emt 0:00:03]} Kd7 {[%emt 0:11:35]} 14. Qxd8+ {[%emt 0:06:17]} Kxd8 {[%emt 0:00:21]} 15. Bd3 {[%emt 0:00:07]} (15. h4 $14) 15... Nxg5 $11 {[%emt 0:05:09][%cal Oe6e5]} ({Don't play} 15... Bxg5 16. Bxe4 dxe4 17. Rg1 $16) 16. Bxg6 {[%emt 0:00:05]} e5 {[%emt 0:03:05]} (16... c6 $15 17. Nc3 e5 18. dxe5 Nf3+ 19. Ke2 Nxe5) 17. O-O-O {[%emt 0:01:23]} ({Better is} 17. dxe5 $11 Nf3+ 18. Ke2 Nxe5 19. Rag1) 17... e4 {[%emt 0:02:24]} ({Black should try} 17... c6 $15 18. Nc3 Nh3) 18. h4 $14 {[%emt 0:00:10]} Nh3 {[%emt 0:02:24]} 19. Rh2 {[%emt 0:03:30]} c6 {[%emt 0:04:47]} 20. Nc3 {[%emt 0:00:05]} Bd6 {[%emt 0:01:26]} 21. Rg2 {[%emt 0:00:06][%cal Og6f5] aiming for Bf5!} Ke7 {[%emt 0:00:47]} (21... Nc7 $142) 22. Rf1 {[%emt 0:00:29]} (22. Bh5 $1 $16) 22... Be6 {[%emt 0:03:49]} 23. f4 {[%emt 0:00:30]} exf3 {[%emt 0:03:56]} 24. Rxf3 {[%emt 0:00:06] Strongly threatening Bd3.} Rf8 {[%emt 0:03:53]} ({Black should play} 24... Rh8 $14) 25. Bh5 {[%emt 0:03:36]} Rxf3 {[%emt 0:02:02]} 26. Bxf3 {[%emt 0:00:04]} Kf6 {[%emt 0:00:39]} (26... Nc7 $16 27. h5 Kf6) 27. Bg4 {[%emt 0:02:39]} Nc7 {[%emt 0:00:25]} 28. Nd1 {[%emt 0:02:51]} Bxg4 {[%emt 0:00:37]} 29. Rxg4 {[%emt 0:00:05]} Ne6 {[%emt 0:00:26]} 30. Kd2 $1 {[%emt 0:00:58]} Ng7 {[%emt 0:00:27] [#]} (30... b6 {was necessary.} 31. Ke2 c5) 31. Ke2 $1 $18 {[%emt 0:00:48]} Nf5 {[%emt 0:00:37]} 32. Nf2 $2 {[%emt 0:00:41]} (32. Kf3 $18) 32... Nxf2 $16 {[%emt 0:00:29]} 33. Kxf2 {[%emt 0:00:07]} Bf8 {[%emt 0:00:24]} 34. e4 {[%emt 0:01:06]} dxe4 {[%emt 0:00:35]} 35. Rxe4 {[%emt 0:00:06]} Bd6 {[%emt 0:00:26]} (35... Bh6 $142) 36. Kf3 {[%emt 0:02:09]} c5 {[%emt 0:00:35]} (36... Bf8 $16 37. c4 Bd6) 37. d5 $18 {[%emt 0:04:16]} Be5 {[%emt 0:00:29]} 38. c3 {[%emt 0:00:28]} b5 {[%emt 0:00:26]} 39. h5 {[%emt 0:00:53]} Nd6 {[%emt 0:00:36]} (39... a5 $142 40. Rg4 Bd6) 40. Rg4 {[%emt 0:00:11]} Nf7 {[%emt 0:00:31]} 41. Rg6+ {[%emt 0:03:28]} Kf5 {[%emt 0:00:28][%cal Oe5c3]} 42. Ra6 {[%emt 0:02:06]} Bb8 {[%emt 0:00:31]} 43. h6 {[%emt 0:00:33]} (43. Ke3 $18) 43... Bf4 $16 {[%emt 0:00:22]} 44. Rxa7 {[%emt 0:00:27]} Ne5+ {[%emt 0:00:38]} 45. Ke2 {[%emt 0:00:21] Black must now prevent h7.} Bxh6 {[%emt 0:00:10]} 46. Rb7 {[%emt 0:00:36]} Bf8 $2 {[%emt 0:00:46][%mdl 8192] Loses the game.} (46... Ke4 $16 47. Rxb5 (47. d6 Kd5 $16) 47... Kxd5) 47. Rxb5 $18 {[%emt 0:00:08] White is clearly winning.} Ke4 {[%emt 0:00:19]} 48. a4 {[%emt 0:00:17][%cal Ba2a4,Ba4a5,Ba5a6][%mdl 32] Hoping for a5.} Kxd5 {[%emt 0:00:33] [#]} 49. a5 $1 {[%emt 0:00:10]} Nc6 {[%emt 0:01:14]} 50. a6 {Weighted Error Value: White=0.22 (precise) /Black=0.26 (precise)} 1-0

[Event "13th Chennai Open 2022"]
[Site "Chennai"]
[Date "2022.06.23"]
[Round "7.14"]
[White "Rajesh, V A V"]
[Black "Mrithyunjay Mahadevan"]
[Result "1/2-1/2"]
[ECO "D83"]
[WhiteElo "2358"]
[BlackElo "1661"]
[Annotator "TA"]
[PlyCount "192"]
[EventDate "2022.06.19"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 15,192,31,12,-41,37,35,23,39,17,31,27,30,87,80,82,64,62,74,64,22,21,32,14,25,14,0,0,0,7,0,40,36,37,27,35,35,28,22,27,17,42,27,44,0,13,0,0,-30,-16,-21,0,0,49,0,20,13,52,61,54,25,24,16,22,28,58,36,143,150,137,99,198,184,237,143,195,191,164,85,158,160,290,263,276,275,243,251,326,320,316,307,308,298,295,279,442,411,408,397,463,419,679,703,702,614,687,677,859,783,652,567,630,489,494,486,518,518,518,518,518,518,493,493,463,112,384,133,376,254,518,418,247,223,432,186,930,853,474,406,835,617,1021,1004,966,856,668,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 {[%emt 0:00:13]} Nf6 {[%emt 0:00:07]} 2. c4 {[%emt 0:00:16]} g6 {[%emt 0:00:05]} 3. Nc3 {[%emt 0:00:04]} d5 {[%emt 0:00:06]} 4. Bf4 {[%emt 0:01:51]} Bg7 {[%emt 0:00:10]} 5. e3 {[%emt 0:00:52]} O-O {[%emt 0:00:14]} 6. Rc1 {[%emt 0:00:59]} c5 {[%emt 0:00:09]} 7. dxc5 {[%emt 0:00:19]} Be6 {[%emt 0:00:10]} 8. Nf3 {[%emt 0:02:20]} Nc6 {[%emt 0:00:11]} 9. Ne5 {[%emt 0:16:37] D83: Grünfeld: 4 Bf4 Bg7 5 e3 0-0.} ({White should try} 9. Be2 $11) 9... Qa5 {[%emt 0:09:01]} (9... Rc8 $15) 10. Nxc6 $14 {[%emt 0:05:02]} bxc6 {[%emt 0:00:15]} 11. Qa4 $1 {[%emt 0:00:28] White has an edge.} Qxc5 {[%emt 0:01:02][%cal Rd5c4]} 12. b4 {[%emt 0:00:24]} Qb6 {[%emt 0:00:52]} 13. c5 {[%emt 0:00:05]} Qb7 {[%emt 0:06:19]} (13... Qd8 $1 $11) 14. Ba6 $16 {[%emt 0:03:11]} Qd7 {[%emt 0:00:12]} 15. Be5 {[%emt 0:15:34] White is more active.} Ng4 {[%emt 0:06:14]} 16. Bxg7 {[%emt 0:00:50]} Kxg7 {[%emt 0:00:07] [#]} 17. Ne2 $146 {[%emt 0:13:08]} ({Predecessor:} 17. h3 Ne5 18. Rd1 Qc7 19. Ne2 Nc4 20. Qc2 Qe5 21. Nd4 Qg5 22. Nxe6+ fxe6 23. O-O {1-0 (32) Ortega,M (2463)-Paiva,D (2230) Tornelo INT 2021}) 17... Qc7 $1 {[%emt 0:01:48]} 18. h3 {[%emt 0:00:31]} Nf6 {[%emt 0:02:44]} 19. Nd4 {[%emt 0:03:44]} Bd7 {[%emt 0:00:15]} 20. O-O {[%emt 0:00:07]} e5 {[%emt 0:05:29]} 21. Nb3 {[%emt 0:01:43]} Rab8 {[%emt 0:04:33]} 22. a3 {[%emt 0:03:26]} Rfd8 {[%emt 0:05:55]} 23. Qa5 {[%emt 0:02:16]} Ne8 {[%emt 0:00:10]} 24. Rfd1 {[%emt 0:01:21]} Be6 {[%emt 0:12:13][%cal Od5d4]} 25. Qxc7 {[%emt 0:00:23]} Nxc7 {[%emt 0:00:12]} 26. Bf1 {[%emt 0:00:10]} Bd7 {[%emt 0:03:33]} 27. Na5 {[%emt 0:00:18]} Be8 {[%emt 0:00:28]} 28. Rb1 {[%emt 0:01:09][%cal Bc1b1,Bb1b3,Bb3d3,Bd3d2][%mdl 32]} g5 {[%emt 0:04:34]} 29. Rb3 {[%emt 0:00:12]} f5 {[%emt 0:00:46]} 30. Rdb1 {[%emt 0:02:26]} Kf6 {[%emt 0:01:07]} 31. Rd1 {[%emt 0:02:11]} (31. a4 $5 {[%cal Rb4b5]}) 31... h6 {[%emt 0:03:54]} 32. Rbd3 {[%emt 0:00:53]} Ke7 {[%emt 0:01:46]} 33. R3d2 {[%emt 0:00:08]} Rdc8 {[%emt 0:02:24]} (33... Kf6 $11) 34. Bd3 {[%emt 0:00:16]} (34. f3 $1 $14) 34... e4 {[%emt 0:00:26]} 35. Bf1 {[%emt 0:01:16]} Nb5 {[%emt 0:01:16]} 36. Bxb5 {[%emt 0:03:15]} Rxb5 {[%emt 0:00:08]} 37. Nb3 {[%emt 0:00:09] Threatening Nd4.} Bd7 {[%emt 0:01:36]} 38. Rf1 {[%emt 0:02:34]} Rbb8 {[%emt 0:01:54]} 39. f3 {[%emt 0:01:21]} Rf8 {[%emt 0:00:19]} 40. Rdf2 {[%emt 0:02:52]} Rf7 {[%emt 0:09:12]} (40... exf3 $14 41. Rxf3 Rf6) 41. fxe4 {[%emt 0:01:46]} dxe4 {[%emt 0:00:08]} 42. Na5 {[%emt 0:00:48]} Rbf8 {[%emt 0:00:50]} (42... Rd8 $16) 43. Rd2 $18 {[%emt 0:00:23]} f4 {[%emt 0:02:10]} (43... Rc8 {might work better.} 44. Rfd1 Rc7) 44. Rd4 {[%emt 0:00:28]} f3 {[%emt 0:02:09]} (44... fxe3 $16 {keeps fighting.} 45. Rxe4+ Kd8 46. Rxf7 Rxf7 47. Rxe3 Kc7) 45. Rxe4+ {[%emt 0:00:19]} Kd8 {[%emt 0:00:04]} 46. Rf2 {[%emt 0:03:47]} (46. g4 $18) 46... Kc7 {[%emt 0:00:39] [#] Prevents Nb7.} ({Better is} 46... fxg2 47. Rxf7 (47. Rxg2 Rf1+ 48. Kh2 R8f3 $11) 47... Rxf7 48. Kxg2 Re7 49. Nb7+ Ke8) 47. Nc4 $1 $16 {[%emt 0:02:16]} h5 {[%emt 0:04:35]} (47... fxg2 $16 48. Rxf7 Rxf7 49. Kxg2 Kd8) 48. Ne5 {[%emt 0:04:46][%csl LRf3,LRf7]} Re7 {[%emt 0:03:09]} 49. Nxd7 {[%emt 0:00:06]} (49. Rxf3 Bf5 $16) (49. gxf3 Bxh3 50. f4 Bf5 $16) 49... Rxd7 {[%emt 0:00:14]} 50. Rxf3 {[%emt 0:00:06]} ({Resist} 50. gxf3 a5 51. Kg2 (51. bxa5 Rf5 $16) 51... a4) 50... Rxf3 {[%emt 0:00:14]} 51. gxf3 $18 {[%emt 0:00:04][%mdl 4096] Endgame KR-KR} Rd3 {[%emt 0:00:06]} 52. a4 {[%emt 0:00:41]} h4 {[%emt 0:00:15]} 53. Re7+ {[%emt 0:01:05]} Kb8 {[%emt 0:00:04]} 54. Re5 {[%emt 0:00:43]} Rd1+ {[%emt 0:00:33]} (54... Kc8 {was necessary.} 55. Kf2 Rb3 56. Rxg5 Rxb4) 55. Kf2 {[%emt 0:00:11]} Rd2+ {[%emt 0:00:05]} 56. Kf1 {[%emt 0:00:08]} Rd1+ {[%emt 0:00:44]} 57. Ke2 {[%emt 0:00:57]} Rh1 {[%emt 0:00:25]} (57... Ra1 $142 58. a5 Kb7 59. Rxg5 Ra2+ 60. Kd3 Ka6) 58. Rxg5 {[%emt 0:00:13]} Rxh3 {[%emt 0:00:16]} 59. Rg8+ {[%emt 0:00:23]} Kb7 {[%emt 0:00:16]} 60. Rg7+ {[%emt 0:00:14]} Kb8 {[%emt 0:00:11]} 61. Rh7 {[%emt 0:01:35]} Rh2+ {[%emt 0:00:19]} 62. Kf1 {[%emt 0:00:58]} h3 {[%emt 0:00:15]} 63. b5 {[%emt 0:00:43]} cxb5 {[%emt 0:00:22]} 64. axb5 {[%emt 0:00:05]} Rc2 {[%emt 0:00:07]} 65. Rxh3 {[%emt 0:03:06]} Rxc5 {[%emt 0:00:04]} 66. Ke2 {[%emt 0:00:26]} Rxb5 {[%emt 0:00:06]} 67. Kd3 {[%emt 0:00:33]} a5 {[%emt 0:00:31]} 68. Kc4 {[%emt 0:01:11] Against Rb3} Rb4+ {[%emt 0:01:08]} 69. Kc3 $2 {[%emt 0:00:05]} (69. Kc5 $18 {and the rest is easy. e4 is the strong threat.} Rb3 70. f4) 69... Rb5 $2 {[%emt 0:00:15][%mdl 8192]} (69... Rb6 $16 {is a better defense.} 70. f4 a4) 70. Rh4 $2 {[%emt 0:00:29]} (70. f4 $18 a4 71. Kc4) 70... Kc7 $2 {[%emt 0:01:17]} (70... Re5 $16 {was called for.}) 71. Rd4 {[%emt 0:00:23] Black must now prevent e4.} Kc6 $2 {[%emt 0:00:26]} (71... Rf5 {was worth a try.} 72. f4 Kb7) 72. f4 {[%emt 0:00:22] Strongly threatening e4.} Rf5 {[%emt 0:00:46]} 73. Kc4 {[%emt 0:01:07] Hoping for Rd8.} Rc5+ $2 {[%emt 0:01:51]} (73... Rf7 74. Re4 Ra7) 74. Kb3 {[%emt 0:00:38]} (74. Kd3 $142 {And now Rc4 would win.} Rf5 75. Rd8) 74... Kb5 $2 {[%emt 0:00:05] Prevents Rc4.} (74... Rf5 75. Kc4 Rf8) 75. e4 {[%emt 0:00:52]} Rh5 {[%emt 0:00:04]} 76. f5 {[%emt 0:00:46]} ({Stronger than} 76. Rd5+ Rxd5 77. exd5 Kc5 $11) 76... Rh3+ {[%emt 0:01:36]} (76... a4+ $142 77. Kc3 a3) 77. Kc2 {[%emt 0:00:05]} Rf3 {[%emt 0:00:45] [#]} 78. Kd2 $1 {[%emt 0:00:43]} a4 {[%emt 0:00:17][%cal Ba5a4,Ba4a3][%mdl 32]} 79. Rd3 {[%emt 0:00:50]} Rf1 {[%emt 0:02:48]} 80. Kc3 $2 {[%emt 0:00:38]} ({Only move:} 80. Ke2 $18 Rf4 81. Ke3) 80... a3 $1 $11 {[%emt 0:02:43] ( -> ...a2). The position is equal.} 81. Kb3 {[%emt 0:00:33]} Re1 {[%emt 0:00:19]} 82. Rd5+ {[%emt 0:00:33]} Kc6 {[%emt 0:00:19]} 83. Re5 {[%emt 0:00:05]} Re3+ {[%emt 0:00:16]} 84. Ka2 {[%emt 0:00:03]} Kd6 {[%emt 0:00:30]} 85. Re6+ {[%emt 0:00:39]} Kd7 {[%emt 0:01:55]} 86. e5 {[%emt 0:00:21]} Rf3 {[%emt 0:00:30]} 87. Rd6+ {[%emt 0:00:36]} Ke8 {[%emt 0:00:10]} 88. f6 {[%emt 0:00:14]} Kf7 $1 {[%emt 0:00:48]} 89. Rd7+ {[%emt 0:01:12]} Ke8 {[%emt 0:00:15]} 90. Re7+ {[%emt 0:00:24]} Kf8 {[%emt 0:00:05]} 91. Rb7 {[%emt 0:00:55] aiming for Rb3.} Re3 {[%emt 0:00:20]} 92. Re7 {[%emt 0:00:21]} Rf3 {[%emt 0:00:10]} 93. Rc7 {[%emt 0:00:37]} Re3 {[%emt 0:00:00]} 94. Rc8+ {[%emt 0:00:00]} Kf7 {[%emt 0:00:00]} 95. Rc7+ {[%emt 0:00:00]} Kf8 {[%emt 0:00:00]} 96. Re7 {[%emt 0:00:41]} Rf3 {[%emt 0:01:33] Black escapes into a draw.  Weighted Error Value: White=0.14 (very precise) /Black=0.37} 1/2-1/2

[Event "13th Chennai Open 2022"]
[Site "Chennai"]
[Date "2022.06.23"]
[Round "7.15"]
[White "John Veny Akkarakaran"]
[Black "Ravichandran, Siddharth"]
[Result "0-1"]
[ECO "B70"]
[WhiteElo "1855"]
[BlackElo "2352"]
[Annotator "TA"]
[PlyCount "90"]
[EventDate "2022.06.19"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 15,90,56,49,8,25,12,36,19,31,-21,-2,-27,-6,-41,-25,-47,-30,-86,-87,-95,-91,-81,-67,-50,-50,-62,-51,-248,-263,-263,-259,-257,-264,-262,-260,-260,-257,-418,-418,-418,-416,-549,-544,-704,-698,-29952,-29957,-29953,-29954,-29945,-12798,-6921,-6329,-6364,-6381,-29970,-29971,-29973,-29973,-29979,-29980,-29980,-29981,-29982,-29983,-29983,-29983,-29982,-29982,-29982,-29983,-29983,-29984,-29984,-29985,-29985,-29986]} 1. e4 {[%emt 0:00:05]} c5 {[%emt 0:06:05]} 2. Nf3 {[%emt 0:00:03]} d6 {[%emt 0:00:44]} 3. d4 {[%emt 0:00:06]} cxd4 {[%emt 0:00:08]} 4. Nxd4 {[%emt 0:00:06]} Nf6 {[%emt 0:00:06]} 5. Nc3 {[%emt 0:00:07]} a6 {[%emt 0:00:07]} 6. Be2 {[%emt 0:00:07]} g6 {[%emt 0:01:10]} 7. Be3 {[%emt 0:07:41]} Bg7 {[%emt 0:08:26]} 8. Qd2 {[%emt 0:00:19]} Nbd7 {[%emt 0:05:43]} 9. h4 {[%emt 0:09:41] B70: Sicilian Dragon: 6 g3 and 6 Be2 (without a later Be3).} h5 {[%emt 0:00:40]} (9... b5 {is more complex.} 10. h5 b4 11. Nd5 Nxe4 12. Qxb4 Rb8) 10. f3 {[%emt 0:07:34]} Ne5 {[%emt 0:18:19]} 11. Bg5 {[%emt 0:09:58] White is slightly better.} Bd7 {[%emt 0:06:11] [#]} 12. Nd5 $146 {[%emt 0:22:12]} (12. O-O-O $14) ({Predecessor:} 12. O-O-O b5 13. Nb3 Be6 14. Kb1 Rc8 15. Nd5 Bxd5 16. exd5 Nc4 17. Bxc4 bxc4 18. Bxf6 Bxf6 {0-1 (27) Johansen,J (2029)-Thjomoe,H (1735) Bornholm 2008}) 12... Nxd5 $11 {[%emt 0:04:49]} 13. exd5 {[%emt 0:00:02]} Rc8 {[%emt 0:01:19]} 14. Be3 {[%emt 0:06:39]} Qc7 {[%emt 0:05:35]} 15. c3 {[%emt 0:01:22]} b5 {[%emt 0:11:13]} 16. Rc1 {[%emt 0:08:15]} (16. O-O $11) 16... Nc4 $17 {[%emt 0:05:10]} 17. Bxc4 {[%emt 0:00:10]} Qxc4 {[%emt 0:00:07]} 18. Nb3 {[%emt 0:02:29][%cal Bd4b3,Bb3a5,Ba5c4][%mdl 32]} a5 {[%emt 0:01:07]} 19. Nxa5 {[%emt 0:05:55]} Qxa2 {[%emt 0:00:20]} 20. b4 {[%emt 0:01:05]} Qa3 {[%emt 0:04:47][%cal Rg7c3]} 21. c4 {[%emt 0:02:29] [#] This move loses the game for White.} (21. O-O $15) 21... bxc4 $1 $19 {[%emt 0:00:16]} 22. Nxc4 {[%emt 0:01:26]} Qb3 {[%emt 0:08:25]} 23. Bd4 {[%emt 0:03:01]} Bxd4 {[%emt 0:00:26]} 24. Qxd4 {[%emt 0:00:14][%cal Rd4h8]} Qxb4+ {[%emt 0:00:24]} 25. Kf2 {[%emt 0:00:57][%cal Rd4h8]} O-O {[%emt 0:00:08]} 26. Qc3 $2 {[%emt 0:05:54]} (26. Ke3) 26... Qxc3 {[%emt 0:03:15]} 27. Rxc3 {[%emt 0:00:01]} Rc5 {[%emt 0:00:09] aiming for ...Rfc8.} 28. Rhc1 {[%emt 0:00:36] [#]} Rfc8 $1 {[%emt 0:00:09]} 29. Ke3 {[%emt 0:00:05]} Bb5 {[%emt 0:03:25]} 30. Kd4 {[%emt 0:00:02]} Rxc4+ {[%emt 0:00:16]} 31. Rxc4 {[%emt 0:00:01]} Rxc4+ {[%emt 0:00:07]} 32. Rxc4 {[%emt 0:00:01]} Bxc4 {[%emt 0:00:06]} 33. Kxc4 {[%emt 0:00:02][%mdl 4096] Endgame KP-KP} Kg7 {[%emt 0:00:13] And now ...Kf6 would win.} 34. Kd4 {[%emt 0:00:04]} Kf6 {[%emt 0:01:37] Hoping for ...g5.} 35. Ke4 {[%emt 0:00:31]} g5 {[%emt 0:00:28] Black mates.} 36. hxg5+ {[%emt 0:00:51]} Kxg5 {[%emt 0:00:06]} 37. g3 {[%emt 0:00:00]} f5+ {[%emt 0:01:44]} 38. Ke3 {[%emt 0:00:08]} f4+ {[%emt 0:00:18]} 39. gxf4+ {[%emt 0:00:22] K3P-K3P} Kf5 {[%emt 0:00:06]} 40. Kf2 {[%emt 0:00:16]} Kxf4 {[%emt 0:00:05]} 41. Kg2 {[%emt 0:00:12]} h4 {[%emt 0:00:27]} 42. Kh3 {[%emt 0:00:04]} Kxf3 {[%emt 0:00:05]} 43. Kxh4 {[%emt 0:00:02]} Ke4 {[%emt 0:00:06]} 44. Kg4 {[%emt 0:00:06]} Kxd5 {[%emt 0:00:04]} 45. Kf5 {[%emt 0:00:03]} e5 {[%emt 0:00:08] Weighted Error Value: White=0.63/Black=0.02 (flawless)} 0-1

[Event "13th Chennai Open 2022"]
[Site "Chennai"]
[Date "2022.06.23"]
[Round "7.16"]
[White "Karthikeyan, P.."]
[Black "Gandhi, Aakash"]
[Result "1-0"]
[ECO "C02"]
[WhiteElo "2361"]
[BlackElo "1698"]
[Annotator "TA"]
[PlyCount "175"]
[EventDate "2022.06.19"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 11,175,0,0,-24,-14,-50,6,-22,32,32,41,5,7,-26,44,50,45,34,35,11,21,26,17,15,20,18,16,8,8,15,44,41,62,58,77,76,108,60,134,137,138,134,354,100,104,94,107,83,102,32,232,232,232,232,232,232,232,232,231,214,253,246,253,253,253,253,253,253,253,253,349,304,308,253,260,260,253,200,200,200,213,45,370,183,183,183,183,145,145,145,145,0,145,145,183,145,145,145,145,145,145,145,145,145,145,145,145,145,145,145,145,145,145,145,145,0,145,145,145,145,145,145,145,145,145,145,145,145,145,145,145,145,145,145,145,145,145,145,145,145,145,145,145,145,145,145,145,0,145,145,145,145,410,410,410,410,410,410,410,410,12445,8459,12796,7254,7140,6543]} 1. e4 {[%emt 0:02:42]} e6 {[%emt 0:00:32]} 2. d4 {[%emt 0:00:30]} d5 {[%emt 0:00:22]} 3. e5 {[%emt 0:00:05]} c5 {[%emt 0:00:24]} 4. c3 {[%emt 0:00:04]} Nc6 {[%emt 0:00:20]} 5. Nf3 {[%emt 0:00:04]} Qb6 {[%emt 0:00:53]} 6. Bd3 {[%emt 0:00:18]} cxd4 {[%emt 0:00:42]} 7. O-O $1 {[%emt 0:00:15][%mdl 4] is recently more successful than 7.cxd4. C02: French: Advance Variation.} Bd7 {[%emt 0:00:44]} 8. Re1 {[%emt 0:00:33]} Nh6 {[%emt 0:02:00]} (8... Rc8 $15) 9. a3 {[%emt 0:08:17] The position is equal.} a6 {[%emt 0:06:37]} (9... Rc8 $11) 10. b4 $14 {[%emt 0:02:22] [#]} Be7 $146 {[%emt 0:01:52]} ({Predecessor:} 10... Rc8 11. Bd2 Be7 12. Ra2 O-O 13. cxd4 Nf5 14. Bc3 Na7 15. a4 Rxc3 16. Nxc3 Bxb4 17. Bxf5 Bxc3 18. Bxh7+ Kxh7 {1-0 (30) Hector,J (2539)-Ask,J (2159) Malmo 2012}) 11. h3 {[%emt 0:08:15]} Rc8 {[%emt 0:01:19]} 12. cxd4 {[%emt 0:07:07]} Nf5 {[%emt 0:04:18]} (12... Nxd4 $11 13. Be3 Nxf3+ 14. Qxf3 Qd8) 13. Bxf5 {[%emt 0:06:35]} exf5 {[%emt 0:00:33]} 14. Nc3 {[%emt 0:04:26]} Be6 {[%emt 0:05:01][%cal Oc6e5]} 15. Ne2 {[%emt 0:05:05]} O-O {[%emt 0:03:22]} 16. Bg5 {[%emt 0:02:40]} Bxg5 {[%emt 0:02:41]} 17. Nxg5 {[%emt 0:00:03]} h6 {[%emt 0:00:17]} 18. Nf3 {[%emt 0:00:26]} a5 {[%emt 0:00:07]} 19. Rb1 {[%emt 0:01:14]} axb4 {[%emt 0:00:11]} 20. axb4 {[%emt 0:00:57]} Na7 {[%emt 0:00:10]} 21. b5 {[%emt 0:01:57]} Rc7 {[%emt 0:07:22]} 22. Qd3 {[%emt 0:12:14]} Rfc8 {[%emt 0:01:48]} 23. Nh4 {[%emt 0:00:06]} g6 {[%emt 0:02:52]} 24. Nf3 {[%emt 0:01:40]} ({Better is} 24. g3 $16) 24... Bd7 {[%emt 0:01:36]} (24... Rc2 $14) 25. Nf4 $16 {[%emt 0:03:10]} Be6 {[%emt 0:00:11]} 26. Qa3 {[%emt 0:03:07][%cal Of4g6] Strongly threatening Nxg6!} Rd7 $2 {[%emt 0:04:18]} (26... Rd8 $16 27. Rec1 Rxc1+ 28. Rxc1 (28. Qxc1 Kg7 $16) 28... Nc8) 27. Nd3 $2 {[%emt 0:00:48]} (27. Ra1 $18) 27... Rc4 {[%emt 0:01:12]} 28. Nc5 $36 {[%emt 0:01:46][%mdl 2048] White has strong initiative.} Rc7 {[%emt 0:00:14]} 29. Qe3 {[%emt 0:09:47]} Kg7 {[%emt 0:02:44]} 30. Nd2 {[%emt 0:01:10] 0x0.00176315182ddp-1022s more active pieces.} (30. Rb2 $16) 30... R4xc5 $2 {[%emt 0:04:32]} (30... Rc2 $14) 31. dxc5 $18 {[%emt 0:01:00]} Rxc5 {[%emt 0:00:07]} 32. Nb3 $1 {[%emt 0:03:46]} Rxb5 {[%emt 0:00:38]} 33. Qxb6 {[%emt 0:00:10]} Rxb6 {[%emt 0:00:12]} 34. Nd4 {[%emt 0:02:19]} Rxb1 {[%emt 0:01:57]} 35. Rxb1 {[%emt 0:00:02][%mdl 4096] Endgame KRN-KBN} Bc8 {[%emt 0:00:15]} 36. Rc1 {[%emt 0:00:17]} Nc6 {[%emt 0:00:42]} 37. Nxc6 {[%emt 0:04:01]} bxc6 {[%emt 0:00:10]} 38. Rxc6 {[%emt 0:00:03] KR-KB} Be6 {[%emt 0:00:17]} 39. f4 {[%emt 0:01:11]} Kf8 {[%emt 0:02:39]} 40. Kf2 {[%emt 0:00:55]} Ke7 {[%emt 0:01:02]} 41. Rc7+ {[%emt 0:00:51]} Kf8 {[%emt 0:00:17]} 42. Ra7 {[%emt 0:02:11]} Kg7 {[%emt 0:00:14]} 43. Ra8 {[%emt 0:00:54]} g5 {[%emt 0:00:43]} 44. fxg5 {[%emt 0:02:07]} hxg5 {[%emt 0:00:19]} 45. g3 {[%emt 0:00:10][%cal Bg2g3,Bg3f4][%mdl 32]} Kh6 {[%emt 0:02:38]} 46. h4 $2 {[%emt 0:00:47]} (46. Rg8 $18) 46... d4 $2 {[%emt 0:04:00][%mdl 8192]} ({Black should try} 46... f4 $1 $14) 47. Rd8 {[%emt 0:00:16]} (47. Rg8 $142) 47... f4 {[%emt 0:00:08] [#]} 48. gxf4 {[%emt 0:04:03]} ({Inferior is} 48. Rxd4 fxg3+ 49. Kxg3 Kg6 $11) 48... gxh4 {[%emt 0:00:27]} 49. Kf3 {[%emt 0:00:10]} Kg6 {[%emt 0:00:09]} 50. Rg8+ {[%emt 0:00:31]} Kh7 {[%emt 0:00:07]} 51. Rd8 {[%emt 0:01:16]} Kg6 {[%emt 0:00:18]} 52. Rxd4 {[%emt 0:00:57]} Kf5 {[%emt 0:00:17]} 53. Rd2 {[%emt 0:00:29]} f6 {[%emt 0:00:12]} 54. exf6 {[%emt 0:00:20]} Kxf6 {[%emt 0:00:09]} 55. Re2 {[%emt 0:00:32]} h3 {[%emt 0:00:20]} 56. Kg3 {[%emt 0:00:17]} Bf5 {[%emt 0:00:05]} 57. Re5 {[%emt 0:00:40]} Kg6 {[%emt 0:00:24]} 58. Ra5 {[%emt 0:00:27]} Kf6 {[%emt 0:00:27]} 59. Ra8 {[%emt 0:00:12]} Kf7 {[%emt 0:00:53]} 60. Rh8 {[%emt 0:00:16]} Kg7 {[%emt 0:00:15]} 61. Rh5 {[%emt 0:00:39]} Kg6 {[%emt 0:00:37]} 62. Rg5+ {[%emt 0:00:37]} Kf6 {[%emt 0:00:11]} 63. Rh5 {[%emt 0:00:33]} Kg6 $1 {[%emt 0:00:11] [#]} 64. Rh4 $1 {[%emt 0:00:13]} Kg7 {[%emt 0:00:25]} 65. Kf3 {[%emt 0:00:12]} Kf6 {[%emt 0:00:18]} 66. Ke3 {[%emt 0:00:04]} Bd7 {[%emt 0:00:12]} 67. Rh6+ {[%emt 0:00:48]} Kg7 {[%emt 0:00:11]} 68. Rd6 {[%emt 0:00:23]} Bg4 {[%emt 0:00:19] ...h2 is the strong threat.} 69. Kf2 {[%emt 0:01:29]} ({Don't take} 69. Rd2 Bf5 70. Kf2 Kf6 71. Rd6+ Be6) 69... Kf7 {[%emt 0:00:18]} 70. Kg3 {[%emt 0:00:31]} Bf5 {[%emt 0:00:43]} 71. Rb6 {[%emt 0:00:05]} Be6 {[%emt 0:00:26]} 72. Rb8 {[%emt 0:01:01]} Kf6 {[%emt 0:00:19]} 73. Rb2 {[%emt 0:00:11]} Kg6 {[%emt 0:00:19]} 74. Kf3 {[%emt 0:01:06]} Bd5+ {[%emt 0:00:14]} 75. Kg4 {[%emt 0:00:04]} Be6+ {[%emt 0:00:14]} 76. Kg3 {[%emt 0:00:15]} Kf6 {[%emt 0:00:10]} 77. Rb8 {[%emt 0:01:07]} Kf7 {[%emt 0:00:35]} 78. Rh8 {[%emt 0:00:36] Rh6 would kill now.} Kg7 {[%emt 0:00:12] Prevents Rh6.} 79. Rh4 {[%emt 0:00:21]} (79. Ra8 $16) 79... Kg6 {[%emt 0:00:21]} (79... Bf5 $1 $11 {remains equal.} 80. Rh5 Kg6) 80. Kf3 $16 {[%emt 0:00:06]} Bd5+ {[%emt 0:00:19]} 81. Ke3 {[%emt 0:00:08]} Bg2 $2 {[%emt 0:00:25][%mdl 8192]} (81... Be6 $16 {is a better defense.} 82. Kf3 Kg7) 82. Kf2 $18 {[%emt 0:00:20]} Kf5 {[%emt 0:00:12]} 83. Kg3 {[%emt 0:00:01]} Bf1 {[%emt 0:00:42]} 84. Rh5+ {[%emt 0:00:05]} Kg6 {[%emt 0:00:10]} 85. Rh8 {[%emt 0:00:26][%cal Of4f5] Threatening mate with f5+!} Kg7 {[%emt 0:00:30]} (85... Kf5 $142 86. Rf8+ Kg6 87. f5+ Kg7) 86. Rh4 {[%emt 0:00:08] White threatens Kg4 and mate. White is clearly winning.} Kg6 {[%emt 0:00:07]} 87. Kg4 {[%emt 0:00:03] Intending f5+ and mate.} Kf6 {[%emt 0:00:26]} 88. Rh6+ {[%emt 0:00:09] Weighted Error Value: White=0.28 (precise) /Black=0.33} 1-0

[Event "13th Chennai Open 2022"]
[Site "Chennai"]
[Date "2022.06.23"]
[Round "7.17"]
[White "Aaryan Varshney"]
[Black "Ashvath Mittal"]
[Result "1-0"]
[ECO "D66"]
[WhiteElo "2308"]
[BlackElo "1419"]
[Annotator "TA"]
[PlyCount "87"]
[EventDate "2022.06.19"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 29,87,9,11,9,7,20,14,14,97,97,120,120,120,120,112,113,123,123,123,120,171,82,182,92,149,149,149,139,131,124,269,77,86,87,87,67,67,66,97,100,91,68,67,67,68,58,53,64,53,59,53,65,476,440,619,618,912,888,1099,1053]} 1. d4 {[%emt 0:00:03]} Nf6 {[%emt 0:00:02]} 2. c4 {[%emt 0:00:40]} e6 {[%emt 0:00:26]} 3. Nf3 {[%emt 0:00:05]} d5 {[%emt 0:00:03]} 4. Bg5 {[%emt 0:01:00]} Be7 {[%emt 0:01:02]} 5. Nc3 {[%emt 0:00:17]} O-O {[%emt 0:00:20]} 6. e3 {[%emt 0:00:12]} c6 {[%emt 0:01:28]} 7. Bd3 {[%emt 0:00:15]} dxc4 {[%emt 0:00:34]} 8. Bxc4 {[%emt 0:00:10]} b5 {[%emt 0:00:41]} 9. Bd3 {[%emt 0:00:09]} Nbd7 {[%emt 0:01:10]} 10. O-O {[%emt 0:00:14]} a6 {[%emt 0:01:03]} 11. a4 {[%emt 0:00:16]} Bb7 {[%emt 0:05:09]} 12. Rc1 {[%emt 0:00:17]} h6 {[%emt 0:00:28]} 13. Bh4 {[%emt 0:00:24]} b4 {[%emt 1:24:34]} 14. Bxf6 {[%emt 0:00:18]} Nxf6 {[%emt 0:00:00]} 15. Ne4 {[%emt 0:00:07]} Nd7 $1 {[%emt 0:00:00]} 16. Qe2 {[%emt 0:01:34] D66: Queen's Gambit Declined: Classical: Main Line (7 Rc1 c6 8 Bd3).} Qa5 {[%emt 0:00:00]} 17. Nfd2 {[%emt 0:01:48]} c5 {[%emt 0:00:00]} 18. dxc5 {[%emt 0:03:02][%cal Bd4c5,Bc5c6][%mdl 32] [#] aiming for c6. The position is equal.} Bxe4 $146 {[%emt 0:00:00]} (18... Bd5 $1 $11) ({Predecessor:} 18... Bd5 19. Nc4 Qxa4 20. Ra1 Qc6 21. Na5 Qc7 22. Rfc1 f5 23. Nd2 Nxc5 24. Nab3 Qb6 25. Nxc5 Bxc5 26. Bxa6 {½-½ (41) Beliavsky,A (2618)-Sveshnikov,E (2541) Bled 1999}) 19. Bxe4 $16 {[%emt 0:01:00] Black must now prevent Nb3.} Rac8 {[%emt 0:00:00]} 20. c6 {[%emt 0:08:11]} Nc5 {[%emt 0:00:00]} 21. Nc4 $36 {[%emt 0:01:12][%mdl 2048] Keeping Black busy.} Qc7 {[%emt 0:00:00]} 22. Bf3 {[%emt 0:00:49]} Nxa4 {[%emt 0:00:00]} 23. Ra1 {[%emt 0:01:13]} Nc5 {[%emt 0:00:00]} 24. Na5 {[%emt 0:00:32]} e5 {[%emt 0:00:00]} (24... Qb6 $16 {was necessary.} 25. Nb7 Ra8) 25. Qc4 {[%emt 0:19:56]} (25. Bd5 $1 $18 {has better winning chances.}) 25... Rb8 {[%emt 0:00:00]} (25... e4 $16 {keeps fighting.} 26. Bxe4 Nxe4 27. Qxe4 Bf6) 26. Nb3 {[%emt 0:15:28]} (26. Rfd1 $18) 26... Nxb3 {[%emt 0:00:00]} ({Better is} 26... e4 27. Bxe4 (27. Nxc5 Qxc6 28. Rxa6 Qxc5 $16) 27... Nxe4) 27. Qxb3 {[%emt 0:00:18]} a5 {[%emt 0:00:00]} 28. Rfd1 {[%emt 0:00:37] Strongly threatening Rd7.} Rfd8 {[%emt 0:00:00] Inhibits Rd7.} 29. Bd5 {[%emt 0:00:47]} Bc5 {[%emt 0:00:00] [#]} (29... Kf8 $16 {is a better defense.} 30. Qc4 (30. Bxf7 Rxd1+ 31. Rxd1 Qxc6 $16) 30... Rbc8) 30. Qc4 $2 {[%emt 0:06:37]} (30. Bxf7+ $1 $18 {[%mdl 512] is the precise move to win.} Kh8 31. Qe6) 30... Bb6 {[%emt 0:00:00]} 31. Rd3 {[%emt 0:00:27]} Qe7 {[%emt 0:00:00]} 32. g3 {[%emt 0:02:49]} Kf8 {[%emt 0:00:00]} 33. b3 {[%emt 0:05:36]} Rbc8 {[%emt 0:00:00]} 34. Rad1 {[%emt 0:00:47][%cal Ba1d1,Bd1d3,Bd3d5][%mdl 32]} Bc7 {[%emt 0:00:00]} 35. Qg4 {[%emt 0:08:18]} g6 {[%emt 0:00:05]} 36. Kg2 {[%emt 0:08:10] White is much more active.} h5 {[%emt 0:01:02]} 37. Qc4 {[%emt 0:00:33]} f5 {[%emt 0:01:56]} 38. Be6 {[%emt 0:02:02]} Rxd3 {[%emt 0:00:15]} 39. Rxd3 {[%emt 0:00:01]} Rd8 {[%emt 0:00:28] ...Rxd3 is the strong threat.} 40. Bd7 {[%emt 0:00:40]} e4 $2 {[%emt 0:01:41][%mdl 8192]} (40... Kg7 $14) 41. Rd5 $18 {[%emt 0:00:41] White is clearly winning.} h4 {[%emt 0:01:30]} (41... a4 $142 42. bxa4 Kg7) 42. Qd4 {[%emt 0:00:36][%cal Od7e6] Hoping for Be6!} Qg7 {[%emt 0:01:08]} 43. Qa7 {[%emt 0:01:17]} h3+ {[%emt 0:00:59]} 44. Kxh3 {[%emt 0:00:16] Weighted Error Value: White=0.16 (very precise) /Black=0.50} 1-0

[Event "13th Chennai Open 2022"]
[Site "Chennai"]
[Date "2022.06.23"]
[Round "7.18"]
[White "Priyankara, Chamil"]
[Black "Hirthickkesh PR"]
[Result "1-0"]
[ECO "A45"]
[WhiteElo "1938"]
[BlackElo "2232"]
[Annotator "TA"]
[PlyCount "118"]
[EventDate "2022.06.19"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 9,118,-2,-6,-1,4,-12,0,-45,12,8,4,16,9,0,14,1,49,7,26,0,11,5,5,5,15,12,37,8,24,24,22,0,0,0,0,0,7,0,0,0,0,0,0,0,0,0,5,0,0,0,-6,-162,-133,-111,-104,-245,-222,-281,-281,-343,-181,-178,0,-416,-416,-453,-446,-452,-424,-419,-434,-410,-416,-402,-387,-493,-81,-66,-71,-127,-127,-280,-280,-485,-482,-487,-467,-460,-420,-841,-837,-795,-786,-660,-736,-565,-244,-1565,-1201,-29978,-29980,-29982,-29983,-29981,-29982,-29987,-29988,-29988,-29989,-29989,-29986]} 1. d4 {[%emt 0:00:28]} Nf6 {[%emt 0:00:10]} 2. Bf4 {[%emt 0:00:24]} g6 {[%emt 0:00:18]} 3. Nc3 {[%emt 0:00:24]} d5 {[%emt 0:00:17]} 4. e3 {[%emt 0:00:08]} c6 {[%emt 0:00:07]} 5. h4 {[%emt 0:00:37]} Bg7 {[%emt 0:04:05]} 6. Be2 {[%emt 0:00:58][%cal Bf1e2,Be2d1,Bd1a4][%mdl 32] A45: Trompowsky Attack.} h6 {[%emt 0:06:27]} 7. g4 {[%emt 0:15:06] [#]} Qa5 $146 {[%emt 0:05:49]} ({Predecessor:} 7... Nbd7 8. a4 a5 9. Nh3 Qb6 10. Ra3 Ne4 11. Rb3 Qd8 12. Nxe4 dxe4 13. Bg3 e5 {1-0 (36) Bortnyk,O (2598)-Vastrukhin,O (2401) Chess.com INT 2020}) 8. Rb1 {[%emt 0:08:29] The position is equal.} Ne4 {[%emt 0:12:09]} (8... c5 $15) 9. b4 $11 {[%emt 0:00:08]} Nxc3 {[%emt 0:00:38]} 10. bxa5 {[%emt 0:00:02]} Nxd1 {[%emt 0:00:05]} 11. Bxd1 {[%emt 0:05:04]} Nd7 {[%emt 0:03:25]} 12. Nf3 {[%emt 0:00:33] Inhibits e5.} f6 {[%emt 0:04:26]} (12... b6 $11) 13. h5 {[%emt 0:08:43]} g5 {[%emt 0:00:04]} 14. Bh2 {[%emt 0:03:05][%cal Oc2c4]} e5 {[%emt 0:01:27]} 15. c3 {[%emt 0:00:01]} b6 {[%emt 0:07:14]} 16. Ba4 {[%emt 0:02:52]} b5 {[%emt 0:04:20]} 17. Bc2 {[%emt 0:00:02]} O-O {[%emt 0:12:32]} 18. Bf5 {[%emt 0:06:43]} Re8 {[%emt 0:01:48]} 19. O-O {[%emt 0:09:02]} Nf8 {[%emt 0:02:24]} 20. Rb2 {[%emt 0:01:18]} Bxf5 {[%emt 0:02:21]} 21. gxf5 {[%emt 0:03:15]} Nd7 {[%emt 0:02:11][%cal Bf8d7,Bd7c5,Bc5a4,Ba4c3][%mdl 32]} 22. Rd1 {[%emt 0:09:16]} a6 {[%emt 0:07:39]} 23. Ne1 {[%emt 0:00:49][%cal Bf3e1,Be1d3,Bd3b4,Bb4d5][%mdl 32]} Bf8 {[%emt 0:07:01]} 24. Nd3 {[%emt 0:03:08]} c5 {[%emt 0:03:45]} 25. dxc5 {[%emt 0:01:22]} Rac8 {[%emt 0:01:06]} 26. Nb4 {[%emt 0:00:53][%csl LRa6,LRd5]} Nxc5 {[%emt 0:00:05] aiming for ...Na4.} 27. Nxd5 {[%emt 0:00:31]} Kf7 {[%emt 0:01:18]} 28. f3 {[%emt 0:01:28]} Na4 {[%emt 0:00:54][%csl LRb2,LRc3]} 29. Rc2 {[%emt 0:00:11]} Red8 {[%emt 0:00:07][%cal Oa4c3] next ...Nxc3! is good for Black.} 30. e4 $2 {[%emt 0:06:01] [#]} (30. c4 $11 {and White is okay.}) 30... Nxc3 $1 $19 {[%emt 0:00:38][%mdl 512]} 31. Rxc3 {[%emt 0:01:09]} Rxd5 $1 {[%emt 0:00:09][%mdl 64] Remove Defender} 32. Rxd5 {[%emt 0:05:39]} (32. Rxc8 $17 Rxd1+ 33. Kg2) 32... Rxc3 {[%emt 0:00:07][%mdl 4096] Endgame KRB-KRB} 33. Rd7+ {[%emt 0:00:01]} Ke8 {[%emt 0:00:46]} 34. Rb7 {[%emt 0:01:09]} Ra3 {[%emt 0:01:17]} ({Worse is} 34... Rxf3 35. Rb8+ Kf7 36. Rb7+ Kg8 37. Rb8 $17) (34... Bc5+ $142 35. Kh1 Rc1+ 36. Kg2 Rc2+ 37. Kh3 Rxa2 38. Rb8+ Kd7) 35. Bg3 {[%emt 0:01:01]} Bc5+ $2 {[%emt 0:03:15]} ({Weaker is} 35... Rxf3 36. Bf2 $11) ({And not} 35... Rxa5 36. Rb8+ Kf7 37. Rb7+ Kg8 38. Bf2 $15) (35... Rxa2 $19 36. Rb8+ Kf7 37. Rb7+ Kg8) 36. Kg2 $2 {[%emt 0:00:18][%mdl 8192]} (36. Bf2 $11 Bd4 37. Bxd4 exd4 38. Rb6) 36... Rxa2+ {[%emt 0:00:05]} 37. Kh3 {[%emt 0:00:01]} Rxa5 {[%emt 0:00:21]} 38. Be1 {[%emt 0:01:25] Prevents b4.} Ra4 {[%emt 0:01:35]} 39. Rb8+ {[%emt 0:00:24]} Kf7 {[%emt 0:00:20]} 40. Rb7+ {[%emt 0:00:02]} Be7 {[%emt 0:01:07]} 41. Bf2 {[%emt 0:00:07]} Rc4 {[%emt 0:00:09] Inhibits Bc5.} 42. Ra7 {[%emt 0:00:01]} Rc6 {[%emt 0:00:13] Inhibits Bb6.} (42... b4 $19 {and Black stays clearly on top. Hoping for ...b3.} 43. Be1 a5 44. Rxa5 Rc1) 43. Be1 $17 {[%emt 0:00:03] Bb4 is the strong threat.} Ke8 {[%emt 0:01:58]} 44. Ba5 {[%emt 0:00:01] Black continues to play with concentration.} (44. Ra8+ $142 Kd7 45. Ba5) 44... Rc8 {[%emt 0:01:19]} 45. Rxa6 $2 {[%emt 0:00:18] [#]} (45. Kg3 $17) 45... Rb8 $1 $19 {[%emt 0:00:03] Threatens to win with ...b4.} 46. Re6 $2 {[%emt 0:02:21]} (46. Bd2) 46... Kf7 {[%emt 0:00:11]} 47. Bc3 {[%emt 0:01:25]} b4 {[%emt 0:00:05]} 48. Bb2 {[%emt 0:00:02]} Rc8 {[%emt 0:00:15] Prevents Rc6. And now ...Rc2 would win.} 49. Rb6 {[%emt 0:00:04]} (49. Kg4 $142) 49... Rc2 {[%emt 0:00:21]} 50. Ba1 {[%emt 0:00:02]} Ra2 {[%emt 0:00:12]} 51. Bxe5 {[%emt 0:00:08]} fxe5 {[%emt 0:00:01]} 52. Rxh6 {[%emt 0:00:05] KRB-KR} g4+ {[%emt 0:05:51]} (52... b3 $142 {White must now prevent ...Ra4.} 53. Rh7+ Kf6 54. Rh6+ Kg7 55. Rg6+ Kh7) 53. Kxg4 $2 {[%emt 0:04:46]} (53. fxg4 Ra3+ 54. Kg2) 53... Bf6 {[%emt 0:00:54]} 54. Rh7+ {[%emt 0:00:15] [#]} Bg7 $1 {[%emt 0:00:30] Black mates.} 55. h6 {[%emt 0:00:38]} Rg2+ {[%emt 0:00:02]} 56. Kh3 {[%emt 0:00:08]} Kg8 {[%emt 0:00:02]} 57. Rh8+ {[%emt 0:04:11]} Kxh8 {[%emt 0:00:10]} 58. Kxg2 {[%emt 0:00:02]} Bxh6 {[%emt 0:00:01]} 59. Kf1 {[%emt 0:00:05]} b3 {[%emt 0:00:05][%mdl 32768] Weighted Error Value: White=0.68/Black=0.26 (precise) . Loss on time!?} 1-0

[Event "13th Chennai Open 2022"]
[Site "Chennai"]
[Date "2022.06.24"]
[Round "8.1"]
[White "Savchenko, Boris"]
[Black "Nitin, S.."]
[Result "1/2-1/2"]
[ECO "B80"]
[WhiteElo "2524"]
[BlackElo "2399"]
[Annotator "TA"]
[PlyCount "136"]
[EventDate "2022.06.19"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 10,136,33,19,22,22,12,0,0,-10,14,0,31,-4,0,0,15,6,8,0,0,0,0,0,0,0,0,0,0,0,-2,-11,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,7,0,0,0,0,0,0,0,0,0,0,0,0,-13,0,0,-14,-6,0,-26,0,0,0,0,0,0,0,0,0,0,-11,-1,-11,-29,-22,-25,-23,-37,-31,-22,-8,-30,0,-81,-71,-102,-115,-148,-155,-193,-8,-119,-8,-8,-8,-8,-8,-8,-8,-8,8,8,8,0,8,8,8,8,8,8,8,0,0,-8,-8,-8,-8]} 1. e4 {[%emt 0:11:03]} c5 {[%emt 0:00:33]} 2. Nf3 {[%emt 0:00:56]} d6 {[%emt 0:00:23]} 3. d4 {[%emt 0:00:44]} cxd4 {[%emt 0:00:09]} 4. Nxd4 {[%emt 0:00:31]} Nf6 {[%emt 0:00:20]} 5. Nc3 {[%emt 0:00:10]} e6 {[%emt 0:01:07]} 6. g3 {[%emt 0:02:34]} Be7 {[%emt 0:01:12] B80: Sicilian Scheveningen: 6 g3 and 6 Be3, including English Attack.} 7. Bg2 {[%emt 0:00:07]} O-O {[%emt 0:00:17]} 8. f4 {[%emt 0:05:27]} Nc6 {[%emt 0:03:44]} 9. Nb3 {[%emt 0:01:54] [#]} d5 $146 {[%emt 0:11:45]} ({Predecessor:} 9... Rb8 10. Be3 a6 11. O-O Bd7 12. Kh1 b5 13. Bg1 Qc7 14. a3 Rfd8 15. Qe2 b4 16. axb4 Nxb4 {0-1 (33) Cohen,J (2229)-Demchenko,A (2641) Chess.com INT 2020}) 10. Be3 {[%emt 0:08:58]} (10. exd5 exd5 11. O-O (11. Nxd5 Nxd5 12. Bxd5 Nb4 $17) (11. Bxd5 Nb4 $17) 11... Bg4 $15) 10... a5 {[%emt 0:12:02]} 11. a4 {[%emt 0:29:39]} (11. exd5 exd5 12. a4 (12. Nxd5 a4 $15) 12... Re8 $15) (11. e5 $5 {[%cal Re5f6]}) 11... dxe4 {[%emt 0:12:00]} 12. Nxe4 {[%emt 0:02:59]} Nb4 {[%emt 0:06:21]} 13. Bd4 {[%emt 0:08:23]} Bd7 {[%emt 0:11:50][%cal Bc8d7,Bd7c6,Bc6d5][%mdl 32]} 14. c3 {[%emt 0:02:14]} Nxe4 {[%emt 0:06:12]} 15. Bxe4 {[%emt 0:00:53]} Bc6 {[%emt 0:00:46]} 16. Qb1 {[%emt 0:00:09]} Bd5 {[%emt 0:03:31]} 17. Nd2 {[%emt 0:06:53]} (17. cxb4 Bxb3 18. Qd3 (18. Bxh7+ $2 Kh8 $19) 18... Bxb4+ 19. Kf2 f5 $17) (17. Bxh7+ $2 Kh8 18. cxb4 Bxb3 $19) 17... Nc6 {[%emt 0:06:08]} 18. Be3 {[%emt 0:02:44]} ({Much worse is} 18. Bxh7+ Kh8 19. Be4 f5 20. Bxd5 Qxd5 $17) 18... f5 {[%emt 0:01:01]} 19. Bf3 {[%emt 0:00:37]} e5 {[%emt 0:01:06]} 20. Qc2 {[%emt 0:01:50]} Rc8 {[%emt 0:04:14][%cal Oc6b4]} 21. Bxd5+ {[%emt 0:00:40]} Qxd5 {[%emt 0:00:06]} 22. Qb3 {[%emt 0:00:04]} Qxb3 {[%emt 0:01:24]} 23. Nxb3 {[%emt 0:00:06]} Rfd8 {[%emt 0:08:20]} 24. Ke2 {[%emt 0:00:36]} exf4 {[%emt 0:00:17]} 25. Bxf4 {[%emt 0:03:04]} Re8 {[%emt 0:00:17] ...Ba3+ is the strong threat.} 26. Kd3 {[%emt 0:01:33]} Red8+ {[%emt 0:01:07]} 27. Ke2 {[%emt 0:00:20]} Re8 {[%emt 0:00:05]} 28. Kd3 {[%emt 0:00:15]} Red8+ {[%emt 0:00:06]} 29. Kc2 {[%emt 0:00:37]} Nb4+ {[%emt 0:02:41]} 30. Kb1 {[%emt 0:00:14]} Nc6 {[%emt 0:00:02]} 31. Kc2 {[%emt 0:04:40]} Nb4+ {[%emt 0:00:05]} 32. Kb1 {[%emt 0:00:04]} Nc6 {[%emt 0:00:04]} 33. Be3 {[%emt 0:01:21]} Rd5 {[%emt 0:00:14]} 34. Kc2 {[%emt 0:00:14]} Nb4+ {[%emt 0:00:11]} 35. Kb1 {[%emt 0:00:05]} Nc6 {[%emt 0:00:04]} 36. Ka2 {[%emt 0:01:08]} b5 {[%emt 0:03:19]} 37. Rhd1 {[%emt 0:01:20]} Rxd1 {[%emt 0:01:37]} 38. Rxd1 {[%emt 0:00:06]} bxa4 {[%emt 0:00:02]} 39. Nc5 {[%emt 0:00:12]} a3 {[%emt 0:00:45]} 40. b3 {[%emt 0:00:13]} Re8 {[%emt 0:03:04]} 41. Kxa3 {[%emt 0:02:50]} Bf6 {[%emt 0:01:27][%csl LRc3,LRe3]} 42. Bd4 {[%emt 0:01:57]} Rd8 {[%emt 0:00:56]} 43. Ne6 {[%emt 0:00:59]} Rd5 {[%emt 0:00:29]} 44. Ka4 {[%emt 0:00:22]} Kf7 {[%emt 0:00:25]} 45. Nc7 {[%emt 0:00:38]} Rd7 {[%emt 0:00:30]} 46. Nb5 {[%emt 0:00:07]} g5 {[%emt 0:00:34]} 47. Rd2 {[%emt 0:00:58]} Kg6 {[%emt 0:00:31]} 48. Be3 {[%emt 0:00:15] Prevents f4.} Rxd2 {[%emt 0:00:17]} 49. Bxd2 $11 {[%emt 0:00:03][%mdl 4096] Endgame KBN-KBN} Be5 {[%emt 0:00:03] Prevents Nc7.} 50. Na3 $1 {[%emt 0:00:36]} f4 {[%emt 0:00:04]} 51. Nc4 {[%emt 0:00:07]} Kf5 {[%emt 0:00:52]} (51... Bc7 $5 {[%cal Rf4g3]} 52. gxf4 (52. Kb5 Nd8 $15) 52... gxf4 $15) 52. Be1 {[%emt 0:01:27]} (52. Kb5 $11 {remains equal.} Na7+ 53. Ka6) 52... Bf6 {[%emt 0:01:01] And now ...f3 would win.} 53. Kb5 {[%emt 0:00:22]} Ne7 {[%emt 0:00:05]} 54. gxf4 {[%emt 0:00:25]} gxf4 {[%emt 0:00:06]} 55. Nxa5 {[%emt 0:00:13]} f3 $2 {[%emt 0:00:22] [#]} ({Black should play} 55... Ke4 $19 {Threatens to win with ...Ke3.} 56. Nb7 Ke3) 56. Kc5 {[%emt 0:01:03]} (56. Nc4 $11 {was the only way to keep the balance.}) 56... Ke4 {[%emt 0:00:58]} (56... Be5 $17 57. b4 Ke4) 57. Nc4 {[%emt 0:00:11] The position is equal.} Kd3 {[%emt 0:00:29]} 58. Nd2 {[%emt 0:00:31]} f2 {[%emt 0:01:09]} 59. Bxf2 {[%emt 0:00:05][%cal Of2d4] [#] Strongly threatening Bd4!} Kxd2 {[%emt 0:00:15]} 60. c4 {[%emt 0:00:11][%cal Bc3c4,Bc4c5,Bc5c6][%mdl 32]} Nf5 {[%emt 0:00:48]} 61. Kd5 {[%emt 0:00:55]} Kc3 {[%emt 0:00:34]} 62. c5 {[%emt 0:00:15]} Bd8 {[%emt 0:00:28]} (62... Kxb3 $2 63. Ke6 Nd4+ 64. Kxf6 $18) 63. Ke6 {[%emt 0:00:41]} Nd4+ {[%emt 0:00:28]} 64. Kd7 {[%emt 0:01:03]} Bf6 {[%emt 0:00:26]} 65. c6 {[%emt 0:00:30]} Nb5 {[%emt 0:00:40]} 66. Ke6 {[%emt 0:00:12]} Bd8 {[%emt 0:00:17]} 67. Kf7 {[%emt 0:00:15]} Kxb3 {[%emt 0:00:10]} 68. h4 {[%emt 0:00:07]} h5 {[%emt 0:00:11] Weighted Error Value: White=0.10 (very precise) /Black=0.12 (very precise)} 1/2-1/2

[Event "13th Chennai Open 2022"]
[Site "Chennai"]
[Date "2022.06.24"]
[Round "8.2"]
[White "Srihari L R"]
[Black "Aronyak Ghosh"]
[Result "0-1"]
[WhiteElo "2404"]
[BlackElo "2494"]
[Annotator "TA"]
[PlyCount "2"]
[EventDate "2022.06.19"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 2,2,67]} 1. e4 {[%emt 0:00:30]} Nf6 {[%emt 0:02:53] An uneventful encounter.} 0-1

[Event "13th Chennai Open 2022"]
[Site "Chennai"]
[Date "2022.06.24"]
[Round "8.3"]
[White "Fedorov, Alexei"]
[Black "Abdyjapar, Asyl"]
[Result "1-0"]
[ECO "C54"]
[WhiteElo "2529"]
[BlackElo "2346"]
[Annotator "TA"]
[PlyCount "89"]
[EventDate "2022.06.19"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 21,89,16,23,-4,0,-17,0,-30,-29,-60,-48,-40,-40,-66,-25,-25,-24,-30,-29,-85,-74,-158,-173,-170,-152,-163,-150,-154,-50,-56,-35,-37,-24,-116,58,56,414,409,416,416,409,401,389,386,479,465,486,491,998,994,954,696,677,486,510,527,515,519,648,540,816,562,539,586,637,535,704,681,705,682]} 1. e4 {[%emt 0:00:03]} e5 {[%emt 0:00:04]} 2. Bc4 {[%emt 0:00:13]} Nf6 {[%emt 0:00:56]} 3. d3 {[%emt 0:00:06]} Bc5 {[%emt 0:01:51]} 4. Nf3 {[%emt 0:00:23]} d6 {[%emt 0:00:10]} 5. c3 {[%emt 0:01:35]} O-O {[%emt 0:00:10]} 6. O-O {[%emt 0:00:15]} Nc6 {[%emt 0:00:19]} 7. h3 {[%emt 0:03:30]} a6 {[%emt 0:00:32]} 8. Bb3 {[%emt 0:01:02]} h6 {[%emt 0:00:30]} 9. Re1 {[%emt 0:01:00]} Be6 {[%emt 0:01:11]} 10. Bc2 {[%emt 0:08:38]} Ba7 {[%emt 0:03:19]} 11. Nbd2 {[%emt 0:19:33]} Re8 {[%emt 0:04:20]} 12. Nh2 {[%emt 0:02:21] C54: Giuoco Piano: 4 c3 Nf6, main lines with 5 d4 and 5 d3.} d5 {[%emt 0:04:35]} 13. Qf3 {[%emt 0:00:06]} Ne7 {[%emt 0:04:12][%cal Bc6e7,Be7g6,Bg6h4][%mdl 32]} 14. Ndf1 {[%emt 0:07:41][%cal Oc1h6] The position is equal.} Ng6 {[%emt 0:03:00] [#]} 15. Bd2 $146 {[%emt 0:02:03]} ({Predecessor:} 15. Ne3 c6 16. Nhg4 Nxg4 17. hxg4 Bxe3 18. Bxe3 d4 19. Bd2 b5 20. Rec1 c5 21. Bd1 {0-1 (108) Hansen,S (2577)-Leko,P (2737) Istanbul 2012}) 15... Nh4 {[%emt 0:06:53]} 16. Qe2 {[%emt 0:00:37]} Qd7 {[%emt 0:01:13][%cal Oe6h3]} 17. Ne3 {[%emt 0:02:21]} dxe4 {[%emt 0:05:09]} (17... Rad8 $5 {[%cal Rd5e4]} 18. Neg4 Nxg4 19. Nxg4 Ng6 $15) 18. dxe4 {[%emt 0:00:23]} Rad8 {[%emt 0:00:11]} 19. Red1 {[%emt 0:10:47]} Qc6 {[%emt 0:04:07]} 20. g3 {[%emt 0:02:34]} (20. Nhg4 $1 $11 Nxg4 21. hxg4) 20... Ng6 $17 {[%emt 0:03:48]} 21. Nf5 {[%emt 0:06:33]} (21. Neg4 $142) 21... Bc4 $36 {[%emt 0:08:50][%mdl 2048] White is under strong pressure.} 22. Qf3 {[%emt 0:08:10]} Qb5 {[%emt 0:01:20]} 23. Nxg7 {[%emt 0:01:26] [#]} Rxd2 $1 {[%emt 0:03:38]} (23... Kxg7 24. Bxh6+ Kxh6 25. Qxf6 Rxd1+ 26. Rxd1 $11) 24. Nxe8 {[%emt 0:03:05] [#]} Rxd1+ {[%emt 0:02:05]} (24... Rxf2 $1 $17 25. Nxf6+ Kf8 26. Nd7+ (26. Rd8+ $2 Ke7 $19) 26... Ke7 27. Qxf2 Bxf2+ 28. Kxf2 Qxb2) 25. Rxd1 $15 {[%emt 0:00:54]} Nxe8 {[%emt 0:00:10]} 26. Bb3 {[%emt 0:04:36]} Kg7 {[%emt 0:08:27]} 27. h4 {[%emt 0:03:24]} (27. Rd8 $11 {remains equal.} Bxb3 28. axb3) 27... Nf6 $2 {[%emt 0:01:18]} ({Black should play} 27... Bxb3 $17 28. axb3 Qxb3) 28. Ng4 $14 {[%emt 0:01:59][%cal Bh2g4,Bg4h6,Bh6f5][%mdl 32]} Nh7 {[%emt 0:02:35][%mdl 8192] This costs Black the game.} ({Better is} 28... Nxg4 $14 29. Qxg4 h5) 29. Bxc4 $18 {[%emt 0:04:02] Dancing on a razor blade.} Qxc4 {[%emt 0:00:08]} 30. Qf5 {[%emt 0:00:50] Rd7 is the strong threat.} Ngf8 {[%emt 0:04:28] Inhibits Rd7.} 31. Qxe5+ {[%emt 0:01:13]} f6 {[%emt 0:00:04]} 32. Qe7+ {[%emt 0:01:05]} Kh8 {[%emt 0:26:57]} 33. Nxh6 {[%emt 0:01:38] And now Nf5 would win. White is clearly winning.} ({Less strong is} 33. Rd8 Qg8 $14) 33... Qe2 {[%emt 0:00:00]} 34. Rf1 {[%emt 0:00:15]} Qh5 {[%emt 0:00:00]} (34... Qd3 $142) 35. Nf5 {[%emt 0:00:13][%csl Gf5][%cal Re7g7]} Qg4 {[%emt 0:00:00] Prevents Qg7+.} 36. Kg2 {[%emt 0:00:14]} Bb6 {[%emt 0:00:00]} 37. f3 {[%emt 0:00:12]} Qg8 {[%emt 0:00:00]} 38. Rd1 {[%emt 0:01:41] Hoping for Rd8.} Ng6 {[%emt 0:00:00]} 39. Qd8 {[%emt 0:00:15]} Ngf8 {[%emt 0:00:00]} 40. b3 {[%emt 0:00:24]} Qe6 {[%emt 0:00:00]} 41. Qe7 {[%emt 0:00:20]} Qxe7 {[%emt 0:00:00]} 42. Nxe7 {[%emt 0:00:03]} c6 {[%emt 0:00:00]} 43. f4 {[%emt 0:00:35]} Kg7 {[%emt 0:00:00]} 44. Nf5+ {[%emt 0:00:27]} Kg6 {[%emt 0:00:00]} 45. Nd6 {[%emt 0:00:12] Weighted Error Value: White=0.44/Black=0.48} 1-0

[Event "13th Chennai Open 2022"]
[Site "Chennai"]
[Date "2022.06.24"]
[Round "8.4"]
[White "Tran, Tuan Minh"]
[Black "Konguvel, Ponnuswamy"]
[Result "0-1"]
[ECO "E73"]
[WhiteElo "2533"]
[BlackElo "2331"]
[Annotator "TA"]
[PlyCount "130"]
[EventDate "2022.06.19"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 13,130,53,35,46,59,59,59,59,59,65,68,68,68,70,72,79,67,27,43,46,46,18,18,22,20,16,6,17,25,18,31,-47,76,-49,27,-98,-119,-188,0,0,0,0,0,0,0,0,36,26,63,74,76,63,106,76,125,133,136,136,136,134,134,134,149,93,86,45,35,0,44,0,0,0,0,-135,-146,-129,-142,-185,-143,-189,0,-557,-555,-572,-557,-2472,-1329,-1216,-1038,-1013,-997,-947,-956,-922,-920,-29971,-29972,-29972,-29973,-29973,-29974,-29974,-29975,-29975,-29976,-29976,-29977,-29976,-29977,-29977,-29978,-29965,-12840,-29979,-29980,-29979,-29979,-29992,-29989]} 1. d4 {[%emt 0:01:44]} Nf6 {[%emt 0:00:16]} 2. c4 {[%emt 0:00:29]} g6 {[%emt 0:00:11]} 3. Nc3 {[%emt 0:00:08]} Bg7 {[%emt 0:00:23]} 4. e4 {[%emt 0:00:04]} d6 {[%emt 0:00:06]} 5. Be2 {[%emt 0:00:18]} O-O {[%emt 0:00:26]} 6. Be3 {[%emt 0:00:03]} e5 {[%emt 0:00:48]} 7. d5 {[%emt 0:00:05]} Na6 {[%emt 0:00:30]} 8. g4 {[%emt 0:00:06] E73: King's Indian: Averbakh Variation without 6...c5.} Nc5 {[%emt 0:00:55]} 9. f3 {[%emt 0:00:05]} h5 {[%emt 0:02:28]} 10. g5 {[%emt 0:00:41] White is slightly better.} Nh7 {[%emt 0:00:08]} 11. h4 {[%emt 0:00:22]} f6 {[%emt 0:00:17]} 12. gxf6 {[%emt 0:01:39]} Bxf6 {[%emt 0:00:08]} 13. Bf2 {[%emt 0:00:13]} Be7 {[%emt 0:01:15]} 14. Kd2 {[%emt 0:04:26]} c6 {[%emt 0:01:42] [#]} 15. b4 $146 {[%emt 0:02:46]} ({Predecessor:} 15. Kc2 cxd5 16. cxd5 Bd7 17. Rc1 b5 18. Bxc5 dxc5 19. Bxb5 Bxb5 20. Nxb5 Rb8 21. Nc3 {1-0 (41) Yilmaz,M (2630)-Khusnutdinov,R (2484) Chess.com INT 2021}) 15... Na6 {[%emt 0:09:14]} 16. a3 {[%emt 0:01:17]} Nc7 {[%emt 0:19:49]} 17. Nh3 {[%emt 0:09:48]} cxd5 {[%emt 0:03:58] Threatens to win with ...d4.} 18. cxd5 {[%emt 0:02:51]} Bxh4 {[%emt 0:10:18]} 19. Qg1 {[%emt 0:00:25][%csl LRa7,LRg6]} Kg7 {[%emt 0:04:35]} 20. Bxa7 {[%emt 0:04:53]} Bxh3 {[%emt 0:20:49] Dancing on a razor blade.} 21. Rxh3 {[%emt 0:00:08]} Bg5+ {[%emt 0:01:33]} 22. Kc2 {[%emt 0:00:49]} (22. Be3 $1 $14) 22... Qf6 {[%emt 0:02:13]} (22... Qc8 $1 $15 23. Rg3 Rf6) 23. Kb3 {[%emt 0:01:23] [#]} (23. Rd1 $16) 23... Bd2 {[%emt 0:03:12]} (23... Ne6 $1 $15 24. Rh1 Rxa7 25. dxe6 (25. Qxa7 Nd4+ 26. Kb2 Nxe2 $17) 25... Raa8) 24. Nb1 {[%emt 0:03:28]} (24. Rxh5 Ng5 25. Rxg5 Qxg5 26. Qxg5 Bxg5 $11) (24. f4 $11) 24... Ng5 $17 {[%emt 0:01:29][%cal Bh7g5,Bg5h3,Bh3f4][%mdl 32]} 25. Rg3 {[%emt 0:02:13]} (25. Rxh5 $17 {was necessary.} Nxf3 26. Qg4) 25... h4 $2 {[%emt 0:01:34]} ({Black should play} 25... Bf4 $1 $19 {[%cal Rf4g3]} 26. Rg2 h4) 26. Nxd2 $11 {[%emt 0:04:24]} hxg3 {[%emt 0:00:02]} 27. Be3 {[%emt 0:03:10]} Nh3 $1 {[%emt 0:00:01]} 28. Qxg3 {[%emt 0:00:05]} Nf4 {[%emt 0:00:03] Pair of Knights!} 29. Bf1 {[%emt 0:00:24]} Rh8 {[%emt 0:01:17]} 30. Rc1 {[%emt 0:01:50][%mdl 1024] White has compensation.} Ne8 {[%emt 0:02:06]} 31. a4 {[%emt 0:04:26][%cal Ba3a4,Ba4a5][%mdl 32]} Rh7 {[%emt 0:01:10]} 32. a5 {[%emt 0:01:17]} Kf8 {[%emt 0:01:20]} 33. Nc4 {[%emt 0:02:46]} Rc7 {[%emt 0:03:03]} (33... Rh1 $142) 34. Qg4 $16 {[%emt 0:02:29]} Kg7 {[%emt 0:01:00]} 35. Rc2 {[%emt 0:00:54]} Rf7 {[%emt 0:00:48]} 36. Nb6 {[%emt 0:03:58]} Rd8 {[%emt 0:00:06][%cal Ba8d8,Bd8h8,Bh8h2,Bh2h1,Bh1b1][%mdl 32]} 37. Bb5 {[%emt 0:00:11]} Qe7 {[%emt 0:02:28] Prevents Bd7.} (37... Nc7 $2 38. Nd7 Rdxd7 39. Bxd7 $18) 38. Qg1 {[%emt 0:17:40]} (38. Rh2 $142) 38... Nc7 {[%emt 0:00:47]} 39. Bc4 {[%emt 0:02:15]} Rh8 {[%emt 0:01:39]} 40. Rc3 {[%emt 0:00:19]} Qe8 {[%emt 0:00:51]} (40... Rh3 $5 {[%cal Rh3f3]}) 41. Qf1 {[%emt 0:00:21]} Rh2 {[%emt 0:00:18]} 42. b5 {[%emt 0:03:08]} ({Much worse is} 42. Rc2 Qh8 43. Bxf4 Rxf4 $17) 42... Qh8 {[%emt 0:00:05]} 43. Kb4 {[%emt 0:05:20]} (43. Qc1 $11) 43... Rh1 $1 $17 {[%emt 0:01:16] Black is more active.} 44. Qf2 {[%emt 0:00:06]} Rb1+ $1 {[%emt 0:00:04]} 45. Rb3 {[%emt 0:03:20]} Qh1 $36 {[%emt 0:00:21][%mdl 2048] Hoping for ...Rxb3+. Black has strong initiative.} 46. Nc8 {[%emt 0:10:00] [#]} (46. Qc2 $17 {was worth a try.} Rxb3+ 47. Bxb3) 46... Qd1 $2 {[%emt 0:00:04]} ({Better is} 46... Ne8 $1 $19 {aiming for ...Rxb3+.} 47. b6 Rxb3+ 48. Kxb3 Qh3) 47. Bxf4 $4 {[%emt 0:00:24][%mdl 8192]} (47. Qd2 $11 {and White stays safe.} Rxb3+ 48. Bxb3 Nd3+ 49. Kc4 Nb2+ 50. Kc3 (50. Qxb2 $2 Qf1+ 51. Kc3 Rxf3 $19) 50... Nxb5+ 51. Kxb2 Qxf3 52. Bc4) 47... Rxf4 $19 {[%emt 0:00:29]} 48. Nxd6 {[%emt 0:03:32] [#] Rxb1 is the strong threat.} Rxf3 $1 {[%emt 0:01:26]} 49. Qa2 {[%emt 0:01:39]} Rbxb3+ {[%emt 0:04:05]} 50. Bxb3 {[%emt 0:00:02]} Qd4+ {[%emt 0:00:49]} 51. Bc4 {[%emt 0:00:51]} Rf2 {[%emt 0:00:50]} 52. Qa3 {[%emt 0:00:26]} Rb2+ {[%emt 0:00:49]} ({Inferior is} 52... Rc2 53. Qd3 Qf2 54. Kb3 $11) 53. Ka4 {[%emt 0:00:00] [#]} Nxb5 $1 {[%emt 0:01:26][%mdl 512]} 54. Nf5+ {[%emt 0:00:47]} (54. Qxb2 Qxb2) 54... gxf5 {[%emt 0:00:00]} 55. Qe7+ {[%emt 0:00:46]} Kg6 {[%emt 0:00:00]} 56. Qe6+ {[%emt 0:00:39]} Kg5 {[%emt 0:00:00][%cal Rd4c4]} 57. Qxf5+ {[%emt 0:00:05]} Kh4 {[%emt 0:00:00][%cal Rd4c4]} 58. Qf6+ {[%emt 0:00:37]} Kg3 {[%emt 0:00:00][%cal Rd4c4]} 59. Qg5+ {[%emt 0:00:12]} Kf3 {[%emt 0:00:28][%cal Rd4c4]} 60. Qf5+ {[%emt 0:01:06]} Ke3 {[%emt 0:00:15][%cal Rd4c4]} 61. Qg5+ {[%emt 0:00:30]} Kxe4 {[%emt 0:01:05][%cal Rd4c4]} 62. Qh4+ {[%emt 0:00:15]} Ke3 {[%emt 0:01:00] ( -> ...Qd1+)} 63. Qe1+ {[%emt 0:00:05]} Kf3 {[%emt 0:00:20] Black mates.} 64. Qf1+ {[%emt 0:00:28]} Kg3 {[%emt 0:00:10]} 65. Qe1+ {[%emt 0:00:13]} Kh2 {[%emt 0:00:16] Weighted Error Value: White=0.49/Black=0.25 (precise)} 0-1

[Event "13th Chennai Open 2022"]
[Site "Chennai"]
[Date "2022.06.24"]
[Round "8.5"]
[White "Deepan Chakkravarthy J."]
[Black "Aaryan Varshney"]
[Result "1/2-1/2"]
[ECO "A30"]
[WhiteElo "2478"]
[BlackElo "2308"]
[Annotator "TA"]
[PlyCount "77"]
[EventDate "2022.06.19"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 9,77,-8,-9,0,43,0,17,8,14,14,23,14,14,12,15,14,14,-29,-19,-16,-9,-7,-9,-6,-14,-16,-18,-31,-29,-21,-21,-39,-27,-47,-54,-61,-58,-64,-64,-66,-57,-95,-79,-97,-81,-83,-75,-85,-44,-45,-38,-42,-42,-29,-26,-45,-32,-49,-25,-25,-3,-41,-39,-44,0,-12,0,-44,0,-27]} 1. Nf3 {[%emt 0:07:11]} d5 {[%emt 0:00:13]} 2. g3 {[%emt 0:00:07]} c5 {[%emt 0:00:04]} 3. Bg2 {[%emt 0:00:04]} Nf6 {[%emt 0:00:11]} 4. c4 {[%emt 0:00:10]} Nc6 {[%emt 0:03:46]} 5. O-O {[%emt 0:01:26]} d4 {[%emt 0:09:23]} 6. e3 {[%emt 0:00:34] A30: Symmetrical English: Double Fianchetto and Hedgehog.} dxe3 {[%emt 0:01:19]} 7. fxe3 {[%emt 0:04:12]} e5 {[%emt 0:01:51] Against d4} 8. Nc3 {[%emt 0:01:36][%cal Od2d4]} Be7 {[%emt 0:02:24] [#]} 9. b3 $146 {[%emt 0:16:50]} ({Predecessor:} 9. Nh4 Be6 10. Nf5 Bxc4 11. Nxg7+ Kf8 12. Nf5 Bxf1 13. Qxf1 Rg8 14. d4 cxd4 15. exd4 Nxd4 {1-0 (49) Vasilev,S-Spasov,S (2172) ICCF email 2010}) 9... O-O {[%emt 0:02:03]} 10. Bb2 {[%emt 0:00:17][%cal Oc3d5]} Bg4 {[%emt 0:02:40]} 11. h3 {[%emt 0:10:42]} Bh5 {[%emt 0:05:37]} 12. g4 {[%emt 0:15:22]} Bg6 {[%emt 0:00:22]} 13. Nd5 {[%emt 0:03:37]} Nxd5 {[%emt 0:09:11]} 14. cxd5 {[%emt 0:00:02]} Qxd5 {[%emt 0:00:55] [#] Hoping for ...e4.} 15. Nxe5 {[%emt 0:00:05]} Be4 {[%emt 0:01:34]} 16. Bxe4 {[%emt 0:00:40]} Qxe4 {[%emt 0:00:08]} 17. Qf3 {[%emt 0:00:07]} (17. Rf4 {is interesting.} Qd5 18. Nxc6 Qxc6 19. Qf3) 17... Qxf3 {[%emt 0:01:20]} 18. Nxf3 {[%emt 0:00:02]} Rad8 {[%emt 0:01:17][%cal Ba8d8,Bd8d5,Bd5b5][%mdl 32]} 19. Bc3 {[%emt 0:00:45]} Rfe8 {[%emt 0:04:24]} 20. a3 {[%emt 0:01:26]} Rd5 {[%emt 0:03:55]} 21. b4 {[%emt 0:02:19]} cxb4 {[%emt 0:01:44]} 22. axb4 {[%emt 0:00:02]} a6 {[%emt 0:00:53][%cal Ba7a6,Ba6a5][%mdl 32]} 23. Rfb1 {[%emt 0:02:54]} Rb5 {[%emt 0:02:22]} 24. Ra4 {[%emt 0:04:11]} a5 {[%emt 0:14:33][%cal Ra5b4]} 25. Kf2 {[%emt 0:00:33]} Bxb4 {[%emt 0:05:44]} 26. Ke2 {[%emt 0:08:52]} Rc5 {[%emt 0:04:36]} 27. Bxb4 {[%emt 0:03:35]} Nxb4 {[%emt 0:00:29]} 28. Ne1 {[%emt 0:00:13]} h5 {[%emt 0:02:09]} 29. Nd3 {[%emt 0:01:22]} Nxd3 {[%emt 0:00:30]} 30. Kxd3 {[%emt 0:00:03]} hxg4 {[%emt 0:00:30]} 31. hxg4 $15 {[%emt 0:00:02][%mdl 4096] Endgame KRR-KRR} Re7 {[%emt 0:01:50]} 32. Rc4 {[%emt 0:04:35]} Rg5 {[%emt 0:06:53]} 33. Rb6 {[%emt 0:03:06]} g6 {[%emt 0:01:28]} 34. Ke2 {[%emt 0:00:10]} Rge5 {[%emt 0:01:03]} 35. Kf3 {[%emt 0:00:13]} R5e6 {[%emt 0:01:27]} 36. Rb5 {[%emt 0:02:13]} Re5 {[%emt 0:02:50]} 37. Rb6 {[%emt 0:00:23]} R5e6 {[%emt 0:00:31]} 38. Rb5 {[%emt 0:00:56]} Re5 {[%emt 0:00:18]} 39. Rb6 {[%emt 0:00:50] Weighted Error Value: White=0.09 (flawless) /Black=0.11 (very precise)} 1/2-1/2

[Event "13th Chennai Open 2022"]
[Site "Chennai"]
[Date "2022.06.24"]
[Round "8.6"]
[White "Stupak, Kirill"]
[Black "Saravana, Krishnan P."]
[Result "1/2-1/2"]
[ECO "E04"]
[WhiteElo "2440"]
[BlackElo "2269"]
[Annotator "TA"]
[PlyCount "77"]
[EventDate "2022.06.19"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 12,77,2,-7,12,0,0,0,0,0,0,0,0,0,0,-37,-35,-87,-84,-72,-70,-70,-71,-75,-73,-88,-88,-87,-81,-79,-105,-159,-108,-100,0,0,0,0,0,0,0,-9,0,0,0,0,0,0,0,0,0,0,0,0,0,-51,53,0,0,-20,-15,-49,0,-42,0,0,0,0]} 1. d4 {[%emt 0:01:14]} d5 {[%emt 0:00:14]} 2. c4 {[%emt 0:00:13]} c6 {[%emt 0:00:10]} 3. Nf3 {[%emt 0:00:11]} Nf6 {[%emt 0:00:33]} 4. Nc3 {[%emt 0:00:06]} e6 {[%emt 0:00:53]} 5. g3 {[%emt 0:01:08]} dxc4 {[%emt 0:00:53]} 6. Bg2 {[%emt 0:00:02]} b5 {[%emt 0:01:11][%cal Bb7b5,Bb5b4][%mdl 32]} 7. Ne5 {[%emt 0:03:50]} a6 {[%emt 0:00:54] E04: Open Catalan: 5 Nf3.} 8. O-O {[%emt 0:19:51]} Bb7 {[%emt 0:01:45]} 9. b3 {[%emt 0:00:14]} b4 {[%emt 0:01:15]} 10. Ne4 {[%emt 0:02:34]} Nxe4 {[%emt 0:01:38]} 11. Bxe4 {[%emt 0:00:10]} c3 {[%emt 0:00:12]} 12. a3 {[%emt 0:18:20]} a5 $1 {[%emt 0:03:10]} 13. Qd3 $1 {[%emt 0:00:37][%mdl 4] is recently more successful than 13.axb4.} Bd6 {[%emt 0:02:19] [#]} 14. axb4 $146 {[%emt 0:15:58] [#]} (14. Bf4 $15) ({Predecessor:} 14. Bf4 g5 15. Be3 f5 16. Bxf5 Bxe5 17. dxe5 exf5 18. Qxf5 Bc8 19. e6 Qe7 20. axb4 Bxe6 21. Qe5 {½-½ (21) Petrov,N (2559)-Lobanov,S (2516) Yerevan 2022}) 14... f5 $1 $17 {[%emt 0:12:58]} 15. Bg2 {[%emt 0:05:09]} Bxe5 {[%emt 0:00:30]} 16. dxe5 {[%emt 0:00:30] Threatens to win with Qxd8+.} Qxd3 {[%emt 0:00:30]} ({Resist} 16... axb4 17. Rxa8 Bxa8 18. Qc4 $14) 17. exd3 {[%emt 0:00:30]} axb4 {[%emt 0:00:30]} 18. Rxa8 {[%emt 0:00:30]} Bxa8 {[%emt 0:00:30]} 19. Be3 {[%emt 0:00:30]} Kd7 {[%emt 0:00:30]} 20. Ra1 {[%emt 0:00:30] Against Na6} Bb7 {[%emt 0:00:30]} 21. Bb6 {[%emt 0:00:30] [#]} (21. Kf1 $142) 21... Na6 {[%emt 0:00:30]} ({Better is} 21... Kc8 $1 22. Be3 Nd7) 22. Kf1 {[%emt 0:00:30]} Ra8 {[%emt 0:00:30]} (22... Kc8 $17 {And now ...c5 would win.} 23. Ke1 c5) 23. Ke1 $1 $11 {[%emt 0:00:30]} Kc8 {[%emt 0:00:30] ...c5 is the strong threat.} 24. d4 {[%emt 0:00:30] Prevents c5.} c5 {[%emt 0:00:30]} 25. Bf1 {[%emt 0:00:30]} cxd4 {[%emt 0:00:30]} 26. Bxd4 {[%emt 0:00:30]} Nc7 {[%emt 0:00:30]} 27. Rxa8+ {[%emt 0:00:30]} Bxa8 {[%emt 0:00:30][%mdl 4096] Endgame KBB-KBN} 28. Bc5 $1 {[%emt 0:00:30]} Bd5 {[%emt 0:00:30]} 29. Bxb4 {[%emt 0:00:30]} c2 {[%emt 0:00:30]} 30. Kd2 {[%emt 0:00:30]} Bxb3 {[%emt 0:00:30]} 31. Bd3 {[%emt 0:00:30]} Kd7 {[%emt 0:00:30]} 32. Ba3 {[%emt 0:00:30]} Kc6 {[%emt 0:00:30]} 33. Ke3 {[%emt 0:00:30]} (33. Kc3 $11 Bd5 34. Bb2 (34. Kxc2 Be4 $11)) 33... Bd5 {[%emt 0:00:30]} (33... Nb5 $15 34. Bb2 g5) 34. Bc1 {[%emt 0:00:30]} (34. Bxc2 $14 Nb5 35. Bf8) 34... Be4 {[%emt 0:00:30]} 35. Be2 {[%emt 0:00:30]} Nd5+ {[%emt 0:00:30]} 36. Kd4 {[%emt 0:00:30] aiming for f3.} Nc7 (36... Nb4 $1 $15 {feels stronger.} 37. Bc4 h6) 37. Kc3 {[%emt 0:27:49]} Nd5+ {[%emt 1:00:59]} 38. Kc4 {[%emt 0:00:31]} Nb6+ {[%emt 0:00:24]} 39. Kb4 {[%emt 0:00:37] Weighted Error Value: White=0.11 (very precise) /Black=0.16 (very precise)} 1/2-1/2

[Event "13th Chennai Open 2022"]
[Site "Chennai"]
[Date "2022.06.24"]
[Round "8.7"]
[White "Hirthickkesh PR"]
[Black "Ajay Karthikeyan"]
[Result "1/2-1/2"]
[ECO "A01"]
[WhiteElo "2232"]
[BlackElo "2436"]
[Annotator "TA"]
[PlyCount "102"]
[EventDate "2022.06.19"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 9,102,2,5,5,26,0,23,17,22,9,23,14,20,22,15,18,13,15,20,17,18,0,0,-43,-43,-47,-52,-76,-56,-128,-40,-40,0,0,0,0,0,0,0,0,0,-22,0,-13,0,-37,-27,-89,-89,-91,-90,-86,-79,-192,-201,-189,-189,-200,-197,-197,-202,-207,-122,-122,-33,-35,0,-7,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. b3 {[%emt 0:00:05]} e5 {[%emt 0:00:28]} 2. Bb2 {[%emt 0:00:05]} Nc6 {[%emt 0:00:05]} 3. e3 {[%emt 0:00:07]} Nf6 {[%emt 0:00:19]} 4. Bb5 {[%emt 0:00:56]} Qe7 {[%emt 0:00:48]} 5. Ne2 {[%emt 0:03:50]} a6 {[%emt 0:00:16]} 6. Bxc6 {[%emt 0:00:15] A01: Nimzowitsch-Larsen Opening.} dxc6 {[%emt 0:00:02]} 7. d3 {[%emt 0:05:02]} e4 {[%emt 0:09:25]} 8. Nbc3 {[%emt 0:05:54] [#] White has an edge.} Bf5 $146 {[%emt 0:09:17]} ({Predecessor:} 8... Bg4 9. dxe4 Rd8 {½-½ (9) Sosovicka,J (2123)-Macka,O (2031) Slovakia 2018}) 9. Ng3 {[%emt 0:07:24]} Bg4 {[%emt 0:02:38]} 10. Qd2 {[%emt 0:00:54][%cal Rg3e4]} exd3 {[%emt 0:00:51]} 11. f3 {[%emt 0:12:19]} Be6 {[%emt 0:12:37]} 12. Qxd3 {[%emt 0:00:33]} Rd8 {[%emt 0:01:46]} 13. Qe2 {[%emt 0:00:30]} Qb4 {[%emt 0:00:30]} 14. O-O {[%emt 0:00:30]} Be7 {[%emt 0:00:30]} 15. Nce4 {[%emt 0:00:30]} Nxe4 {[%emt 0:00:30]} 16. fxe4 {[%emt 0:00:30]} O-O {[%emt 0:00:30]} 17. Qf3 {[%emt 0:00:30]} f6 {[%emt 0:00:30]} 18. Nh5 {[%emt 0:00:30]} Bf7 {[%emt 0:00:30]} (18... Qc5 $5 {[%cal Re6f7]}) 19. e5 {[%emt 0:00:30] [#]} ({Avoid the trap} 19. Nxg7 $2 Kxg7 20. e5 (20. Bxf6+ $2 Bxf6 21. Qxf6+ Kg8 $19) 20... Kh8 21. exf6 Bc5 $19) (19. Ng3 $15) 19... Bxh5 {[%emt 0:00:30]} (19... fxe5 $1 $17 20. a3 Qh4) 20. Qxh5 $15 {[%emt 0:00:30]} Qe4 {[%emt 0:00:30][%csl LRc2,LRe3] ...Rd2 is the strong threat.} (20... f5 {seems wilder.} 21. Rxf5 Qd2 22. Rxf8+ Rxf8 23. Qd1 Qxe3+ 24. Kh1 Qe4) 21. exf6 $1 {[%emt 0:00:30] Threatens to win with Qg5.} Bxf6 {[%emt 0:00:30]} 22. Bxf6 {[%emt 0:00:30]} Qxe3+ {[%emt 0:00:30]} 23. Kh1 {[%emt 0:00:30]} Rxf6 {[%emt 0:00:30]} 24. Rxf6 {[%emt 0:00:30]} gxf6 $40 {[%emt 0:00:30][%mdl 128] Black attacks.} 25. Rd1 {[%emt 0:00:30]} Rxd1+ {[%emt 0:00:30]} 26. Qxd1 $11 {[%emt 0:00:30][%mdl 4096] Endgame KQ-KQ} Kf7 {[%emt 0:00:30]} 27. Qh5+ {[%emt 0:00:30]} Kf8 {[%emt 0:00:30][%cal Re3e1]} 28. Qd1 {[%emt 0:00:30] Inhibits Qe1+.} (28. h3 $1 $11) 28... Ke7 $17 {[%emt 0:00:30]} 29. h3 {[%emt 0:00:30]} Qe4 {[%emt 0:00:30]} 30. Qd2 {[%emt 0:00:30]} b6 {[%emt 0:00:30]} 31. Qh6 {[%emt 0:00:30]} (31. c4 $17) 31... Qxc2 $19 {[%emt 0:00:30]} 32. Qg7+ {[%emt 0:00:30]} Ke6 {[%emt 0:00:30]} 33. Qg8+ {[%emt 0:00:30]} Kd7 {[%emt 0:00:30]} 34. Qg4+ {[%emt 0:00:30]} Kd6 {[%emt 0:00:30]} 35. Qf4+ {[%emt 0:00:30]} Ke6 {[%emt 0:00:30]} (35... Kc5 $19 36. Qa4 Qe2 37. Qa3+ Kd4 38. Qb4+ Kd5) 36. Qg4+ $17 {[%emt 0:00:30] [#]} f5 {[%emt 0:00:30]} ({Black should try} 36... Qf5 $1 $17 {[%cal Rf5g4] aiming for ...Qxg4.} 37. Qe2+ Kd7 38. Qxa6 b5) 37. Qg8+ $15 {[%emt 0:00:30]} Kf6 {[%emt 0:00:30]} (37... Kd6 $5 {[%cal Rc2a2]} 38. Qd8+ Kc5 39. Qe7+ Kd4 40. Qxc7 b5 $11) 38. Qxh7 {[%emt 0:00:30] The position is equal.} Qxa2 {[%emt 0:00:30]} 39. Qh6+ {[%emt 0:00:30]} Ke7 {[%emt 0:00:30]} 40. Qg7+ {[%emt 0:00:30]} Ke6 {[%emt 0:00:30]} 41. h4 {[%emt 0:00:30]} Qf2 {[%emt 0:00:30]} 42. Qg6+ {[%emt 0:00:30]} Ke7 {[%emt 0:00:30]} 43. Qg7+ {[%emt 0:00:30]} Ke6 {[%emt 0:00:30]} 44. Qg6+ {[%emt 0:00:30]} Ke5 {[%emt 0:00:30]} 45. h5 {[%emt 0:00:30]} Qh4+ {[%emt 0:00:30]} 46. Kg1 {[%emt 0:00:30]} Qd4+ {[%emt 0:00:30]} 47. Kh1 {[%emt 0:00:30] And now Qg7+ would win.} Qg4 {[%emt 0:00:30]} 48. Qh7 {[%emt 0:00:30]} Qh4+ {[%emt 0:00:30]} 49. Kg1 {[%emt 0:00:30]} Qe1+ {[%emt 0:00:30]} 50. Kh2 {[%emt 0:00:30] White threatens Qe7+ and mate.} Qh4+ {[%emt 0:00:30]} 51. Kg1 {[%emt 0:00:30]} Qd4+ {[%emt 0:00:30] Black had all chances to win.  Weighted Error Value: White=0.11 (very precise) /Black=0.11 (very precise)} 1/2-1/2

[Event "13th Chennai Open 2022"]
[Site "Chennai"]
[Date "2022.06.24"]
[Round "8.8"]
[White "Baghdasaryan, Vahe"]
[Black "Nguyen, Duc Hoa"]
[Result "1-0"]
[ECO "B96"]
[WhiteElo "2267"]
[BlackElo "2398"]
[Annotator "TA"]
[PlyCount "91"]
[EventDate "2022.06.19"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 16,91,22,14,25,30,13,3,19,-7,25,24,65,65,65,63,76,68,72,54,70,49,89,97,122,87,92,84,156,72,97,95,131,78,77,70,72,70,70,70,139,-100,-120,-809,-739,-720,-301,-597,-598,-643,-628,-624,-614,-416,-598,-581,-552,-468,-62,-62,-65,-45,-41,-69,0,-161,-164,-150,102,100,100,100,104,89,83,83,298,66]} 1. e4 {[%emt 0:00:30]} c5 {[%emt 0:00:30]} 2. Nf3 {[%emt 0:00:30]} d6 {[%emt 0:00:30]} 3. d4 {[%emt 0:00:30]} cxd4 {[%emt 0:00:30]} 4. Nxd4 {[%emt 0:00:30]} Nf6 {[%emt 0:00:30]} 5. Nc3 {[%emt 0:00:30]} a6 {[%emt 0:00:30]} 6. Bg5 {[%emt 0:00:30]} e6 {[%emt 0:00:30]} 7. f4 {[%emt 0:00:30]} h6 {[%emt 0:00:30]} 8. Bh4 {[%emt 0:00:30]} Qb6 {[%emt 0:00:30]} 9. a3 {[%emt 0:00:30]} Be7 {[%emt 0:00:30][%cal Of6e4] B96: Sicilian Najdorf: 6 Bg5 e6 7 f4, lines other than 7...Qb6 and 7...Be7.} (9... Qxb2 $2 10. Na4 Qxa1 11. Qxa1 $18) 10. Bf2 {[%emt 0:00:30][%cal Od4e6]} Qc7 {[%emt 0:00:30]} (10... Qxb2 $2 11. Na4 Qxa1 12. Qxa1 $18) 11. Qe2 {[%emt 0:00:30]} Nc6 {[%emt 0:00:30] The position is equal.} 12. O-O-O {[%emt 0:00:30][%cal Ba1d1,Bd1d4,Bd4c4][%mdl 32] [#]} O-O $146 {[%emt 0:00:30]} ({Predecessor:} 12... Nxd4 13. Rxd4 b5 14. g4 e5 15. Rd3 exf4 16. Rg1 Be6 17. Nd5 Bxd5 18. exd5 Nd7 {1-0 (56) Kotronias,V (2597)-Hagen,A (2453) Plovdiv 2012}) 13. g4 {[%emt 0:00:30]} Nxd4 {[%emt 0:00:30]} (13... e5 {with more complications.} 14. Nf5 exf4 15. h4 f3) 14. Rxd4 {[%emt 0:00:30]} e5 {[%emt 0:00:30]} 15. Rc4 {[%emt 0:00:30]} Qd8 {[%emt 0:00:30]} 16. g5 {[%emt 0:00:30]} hxg5 {[%emt 0:00:30]} 17. fxg5 {[%emt 0:00:30]} Bg4 {[%emt 0:00:30]} 18. Qd2 {[%emt 0:00:30]} Nd7 {[%emt 0:00:30]} 19. h4 {[%emt 0:00:30]} Nc5 {[%emt 0:00:30]} 20. Nd5 {[%emt 0:00:30]} b5 {[%emt 0:00:30]} 21. Rb4 {[%emt 0:00:30]} Be6 {[%emt 0:00:30]} (21... Rb8 $142) 22. Rg1 {[%emt 0:00:30]} (22. Be3 $142 $1) 22... Rc8 {[%emt 0:00:30]} 23. Kb1 {[%emt 0:00:30]} a5 {[%emt 0:00:30] [#]} 24. Bxc5 {[%emt 0:00:30] White is more active.} Bxd5 $16 {[%emt 0:00:30] [#]} 25. exd5 $1 {[%emt 0:00:30][%cal Ob4b5]} axb4 {[%emt 0:00:30]} 26. Bxb4 {[%emt 0:00:30] This bishop pair is nice.} Qb6 {[%emt 0:00:30]} 27. Rg3 {[%emt 0:00:30]} f5 {[%emt 0:00:30]} (27... g6 $14) 28. g6 $2 {[%emt 0:00:30]} (28. gxf6 $1 $16 Rxf6 29. Bh3) 28... f4 $17 {[%emt 0:00:30]} (28... Bxh4 29. Qh2 Qd4 30. Bxb5 $14 (30. Rd3 Qf2 $14)) 29. Bh3 $2 {[%emt 0:00:30][%mdl 8192]} fxg3 $19 {[%emt 0:00:30]} 30. Qe2 {[%emt 0:00:30] [#]} Rf1+ {[%emt 0:00:30]} 31. Ka2 $2 {[%emt 0:00:30] [#]} (31. Bxf1 Qf2 32. Qxf2 gxf2 33. b3) 31... Qd4 $1 {[%emt 0:00:30]} 32. Be6+ {[%emt 0:00:30]} (32. Bxf1 Qc4+) 32... Kf8 {[%emt 0:00:30] ( -> ...g2)} 33. Qxf1+ {[%emt 0:00:30]} Qf4 {[%emt 0:00:30]} 34. Qd1 {[%emt 0:00:30] [#]} g2 $1 {[%emt 0:00:30]} 35. Bh3 {[%emt 0:00:30][%cal Be6h3,Bh3f1,Bf1b5][%mdl 32]} Qc4+ {[%emt 0:00:30]} 36. Ka1 {[%emt 0:00:30]} Qf1 {[%emt 0:00:30]} ({Better is} 36... Qxc2 $19 37. Qf3+ Bf6 38. Bxd6+ Ke8 39. Bxg2 (39. Qg4 $2 g1=Q+ 40. Qxg1 e4 $19) 39... Qc1+ 40. Ka2 Rc2) 37. Qxf1+ $15 {[%emt 0:00:30]} gxf1=Q+ {[%emt 0:00:30]} 38. Bxf1 {[%emt 0:00:30]} Rxc2 {[%emt 0:00:30]} 39. Bxb5 {[%emt 0:00:30][%mdl 4096] Endgame KRB-KB} e4 {[%emt 0:00:30]} (39... Rh2 $15) 40. Kb1 $2 {[%emt 0:00:30] [#]} (40. a4 $1 $11 {and White is okay.}) 40... Rg2 $1 $19 {[%emt 0:00:30]} 41. a4 {[%emt 0:00:30]} Bf6 $2 {[%emt 0:00:30]} (41... Rxg6 $17 {and life is bright.} 42. h5 Rg2) 42. Bxd6+ $16 {[%emt 0:00:30]} Kg8 {[%emt 0:00:30]} 43. Bc5 {[%emt 0:00:30] Strongly threatening d6.} Rxb2+ {[%emt 0:00:30]} 44. Kc1 {[%emt 0:00:30] Threatens to win with d6.} Rb3 {[%emt 0:00:30] Hoping for ...Rc3+.} 45. Kd2 {[%emt 0:00:30] d6 is the strong threat.} Rc3 $2 {[%emt 0:00:30] [#]} (45... Bd8 $16 {might work better.}) 46. Bd6 $2 {[%emt 0:00:30] Weighted Error Value: White=0.58/Black=0.50} (46. Bb6 $1 $18) 1-0

[Event "13th Chennai Open 2022"]
[Site "Chennai"]
[Date "2022.06.24"]
[Round "8.9"]
[White "Hari Madhavan N B"]
[Black "Prasannaa.s"]
[Result "0-1"]
[ECO "E60"]
[WhiteElo "2374"]
[BlackElo "2164"]
[Annotator "TA"]
[PlyCount "27"]
[EventDate "2022.06.19"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 9,27,0,-5,-46,-32,-34,-38,-73,-59,-80,-81,-79,-79,-120,-120,-161,-164,-166,-123,-165]} 1. d4 {[%emt 0:00:03]} Nf6 {[%emt 0:04:41]} 2. c4 {[%emt 0:00:07]} g6 {[%emt 0:00:45]} 3. h4 {[%emt 0:00:05]} Bg7 {[%emt 0:03:24]} 4. Nc3 {[%emt 0:00:06]} d5 {[%emt 0:04:02]} 5. cxd5 {[%emt 0:00:08]} Nxd5 {[%emt 0:00:06][%cal Oc7c5]} 6. h5 {[%emt 0:00:22] E60: King's Indian: Unusual lines and Fianchetto Variation without Nc3.} c5 $1 {[%emt 0:05:21]} 7. Nf3 {[%emt 0:19:22]} Nc6 {[%emt 0:01:12][%cal Rc5d4]} 8. h6 {[%emt 0:04:34] [#] Black is slightly better.} Bf6 {[%emt 0:00:33] Hoping for ...Nxc3.} ({Don't do} 8... Bxd4 9. Nxd5 Qxd5 10. e3 $16) 9. Ne4 {[%emt 0:01:28]} cxd4 {[%emt 0:00:33] [#]} ({Much weaker is} 9... Nxd4 $6 10. Nxd4 cxd4 11. Nxf6+ Nxf6 12. e3 $11) 10. Nxf6+ $146 {[%emt 0:00:05]} ({Predecessor:} 10. b4 Ncxb4 11. Bb2 Qa5 12. Nfd2 Nc3 13. Nxf6+ exf6 14. Qb3 Be6 {0-1 (14) Erigaisi,A (2563)-Vakhidov,D (2177) Chess.com INT 2020}) 10... Nxf6 {[%emt 0:00:16]} 11. Rh4 {[%emt 0:02:34][%cal Rf3d4]} Bg4 {[%emt 0:04:57]} 12. Nh2 {[%emt 0:01:50] [#]} Be6 {[%emt 0:10:39]} 13. Nf3 {[%emt 0:02:23][%cal Rf3d4]} Qa5+ {[%emt 0:01:44]} 14. Qd2 {[%emt 0:08:42] Weighted Error Value: White=0.19 (very precise) /Black=0.04 (flawless)} 0-1

[Event "13th Chennai Open 2022"]
[Site "Chennai"]
[Date "2022.06.24"]
[Round "8.10"]
[White "Vignesh B"]
[Black "Gusain, Himal"]
[Result "0-1"]
[ECO "A06"]
[WhiteElo "2072"]
[BlackElo "2396"]
[Annotator "TA"]
[PlyCount "83"]
[EventDate "2022.06.19"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 9,83,45,48,12,10,6,18,-5,0,-8,-10,2,10,6,9,0,20,19,17,-4,-18,-8,-8,-5,-13,0,0,-12,0,-47,-55,-58,-35,-41,-44,-41,-51,-51,-34,-31,-49,-100,-68,-133,-149,-139,-150,-129,-89,-94,-93,-106,-85,-79,-54,-55,-56,-54,-67,-195,-190,-204,-203,-302,-279,-343,-329,-442,-441,-397,-358,-390,-385,-947,-904,-1229]} 1. Nf3 {[%emt 0:00:04]} d5 {[%emt 0:04:46]} 2. b3 {[%emt 0:00:07]} c5 {[%emt 0:00:22]} 3. Bb2 {[%emt 0:00:05]} f6 {[%emt 0:00:06]} 4. e3 {[%emt 0:00:36]} Nc6 {[%emt 0:00:07]} 5. d4 {[%emt 0:00:20]} Bg4 {[%emt 0:00:22]} 6. Nbd2 {[%emt 0:01:59] A06: Réti Opening: 1 Nf3 d5.} cxd4 {[%emt 0:03:25]} 7. exd4 {[%emt 0:00:13]} e6 {[%emt 0:00:04]} 8. Bb5 {[%emt 0:09:15] [#] The position is equal.} a6 $146 {[%emt 0:04:55]} ({Predecessor:} 8... Bd6 9. O-O Nge7 10. Re1 O-O 11. h3 Bxf3 12. Nxf3 Qd7 13. Qe2 a6 14. Bxc6 Nxc6 15. Qxe6+ Qxe6 16. Rxe6 {½-½ (39) Korcz,S-Holczbauer,F (1696) Hungary 2010}) 9. Bxc6+ {[%emt 0:00:50]} bxc6 {[%emt 0:00:05]} 10. Qe2 {[%emt 0:01:04]} Qd7 {[%emt 0:00:41]} 11. h3 {[%emt 0:03:39]} Bh5 {[%emt 0:02:05]} 12. O-O-O {[%emt 0:11:17]} Bd6 {[%emt 0:00:49]} 13. g4 {[%emt 0:02:31]} Bf7 {[%emt 0:00:08]} 14. Ne1 {[%emt 0:00:15]} Ne7 {[%emt 0:00:10]} 15. Nd3 {[%emt 0:00:21]} Ng6 {[%emt 0:00:55] Against f4} 16. h4 Nf4 {[%emt 0:00:30]} 17. Nxf4 Bxf4 {[%emt 0:00:30]} 18. Ba3 a5 {[%emt 0:00:30]} 19. Kb2 (19. Bc5 $11 {is more appropriate.}) 19... a4 $15 {[%emt 0:00:30]} 20. Bc5 {[%cal Og4g5]} axb3 {[%emt 0:00:30]} (20... Bd6 $5 {[%cal Re8g8]}) 21. axb3 {[#] Hoping for Ra1.} Bd6 $1 {[%emt 0:00:30] This bishop pair is nice.} 22. Ra1 O-O {[%emt 0:00:30]} 23. Bxd6 Qxd6 {[%emt 0:00:30]} 24. Qe3 e5 {[%emt 0:00:30]} 25. Nf3 ({White should play} 25. dxe5 $15 fxe5 26. f3) 25... Rae8 $17 {[%emt 0:00:30]} 26. dxe5 ({Better is} 26. Qc3 $15) 26... fxe5 {[%emt 0:00:30] Threatens to win with ...d4.} 27. Ng5 e4 {[%emt 0:00:30]} 28. Rhd1 h6 {[%emt 0:00:30]} 29. Nxf7 Rxf7 {[%emt 0:00:30]} 30. Ra6 Qf6+ {[%emt 0:00:30]} 31. Qc3 Rc8 {[%emt 0:00:30]} ({Reject} 31... Qxf2 32. Qxc6 Qf6+ 33. Qxf6 gxf6 34. Rxd5 $11) 32. Qxf6 Rxf6 $15 {[%emt 0:00:30][%mdl 4096] Endgame KRR-KRR} 33. Rd2 $1 Rf4 {[%emt 0:00:30]} 34. Kc3 {This move loses the game for White.} (34. g5 $1 $15) 34... Rxg4 $19 {[%emt 0:00:30]} 35. Kd4 Rxh4 {[%emt 0:00:30][%cal Bg4h4,Bh4h3,Bh3f3][%mdl 32]} 36. Kc5 (36. c4 {was worth a try.}) 36... Rh3 {[%emt 0:00:30]} 37. Kd6 Rf3 {[%emt 0:00:30]} 38. Kd7 Rcf8 {[%emt 0:00:30]} 39. Kxc6 R8f6+ {[%emt 0:00:30]} 40. Kb7 Rxf2 {[%emt 0:00:30]} 41. Rxf2 {[#]} (41. Rxd5 Rf7+ 42. Kb6) 41... Rxf2 {[%emt 0:00:30]} 42. c3 {Weighted Error Value: White=0.31/Black=0.05 (flawless)} 0-1

[Event "13th Chennai Open 2022"]
[Site "Chennai"]
[Date "2022.06.24"]
[Round "8.11"]
[White "Ravichandran, Siddharth"]
[Black "Ghosh Samriddhaa"]
[Result "1-0"]
[ECO "A01"]
[WhiteElo "2352"]
[BlackElo "1844"]
[Annotator "TA"]
[PlyCount "85"]
[EventDate "2022.06.19"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 13,85,18,30,32,33,30,29,27,27,32,29,30,31,31,29,20,45,31,52,0,0,0,17,-16,76,70,79,86,72,75,136,3,67,57,190,190,180,198,191,182,275,279,283,305,295,239,251,251,250,193,185,0,239,182,250,229,315,222,413,408,408,387,604,354,590,575,575,402,784,784,779,775,5406,5127]} 1. b3 {[%emt 0:00:12]} e5 {[%emt 0:00:42]} 2. Bb2 {[%emt 0:00:09]} Nc6 {[%emt 0:00:46]} 3. e3 {[%emt 0:00:30]} d5 {[%emt 0:04:25]} 4. Bb5 {[%emt 0:00:12]} Bd6 {[%emt 0:01:26]} 5. f4 {[%emt 0:00:36]} Qh4+ {[%emt 0:01:27]} 6. g3 {[%emt 0:00:09]} Qe7 {[%emt 0:00:11]} 7. Nf3 {[%emt 0:00:26]} Bg4 {[%emt 0:07:36]} 8. fxe5 {[%emt 0:04:14] A01: Nimzowitsch-Larsen Opening.} (8. Bxe5 {seems wilder.} Bxe5 9. fxe5 O-O-O 10. Bxc6 bxc6 11. Nc3) 8... Bxe5 {[%emt 0:01:27]} 9. Bxe5 {[%emt 0:01:09]} Bxf3 {[%emt 0:00:21][%mdl 64] [#] Remove Defender} 10. Qxf3 {[%emt 0:00:08] White has an edge.} Qxe5 {[%emt 0:00:11]} 11. Nc3 {[%emt 0:00:19]} Nf6 {[%emt 0:02:11]} 12. O-O-O {[%emt 0:04:43]} O-O {[%emt 0:07:47]} 13. d4 {[%emt 0:01:17] [#]} Qd6 $146 {[%emt 0:04:16] Strongly threatening ...Qa3+.} ({Predecessor:} 13... Qe6 14. Rhe1 a6 15. Bd3 Nb4 16. Bf5 Qd6 17. g4 g6 18. g5 Nh5 19. Bg4 Qxh2 {1-0 (30) Stolz,S (2316)-Hughes,C (830) LSS email 2015}) 14. Kb2 {[%emt 0:00:53] Prevents Qa3+.} Rae8 {[%emt 0:03:25]} (14... a5 {is more complex.} 15. a3 a4 16. Nxa4 Ne4) 15. g4 {[%emt 0:12:13]} Qe6 {[%emt 0:19:11][%csl LRe3,LRg4]} 16. Rde1 {[%emt 0:06:45]} (16. Rhe1 $14) 16... a6 $11 {[%emt 0:09:25]} 17. Bd3 {[%emt 0:05:34] next Bf5 is good for White.} Qxg4 {[%emt 0:06:29]} 18. Qf2 {[%emt 0:05:47]} Ne4 {[%emt 0:02:12]} (18... Qe6 $11) 19. Bxe4 $16 {[%emt 0:04:09]} dxe4 {[%emt 0:02:26]} 20. Rhg1 {[%emt 0:00:09]} Qf3 {[%emt 0:03:09]} 21. Qh4 {[%emt 0:03:47]} Ne7 {[%emt 0:05:27]} (21... g6 $2 22. Nd5 Re6 23. Nf4 $18) (21... f6 $142) 22. Qg5 {[%emt 0:03:52] White is more active.} ({But not} 22. Qxe4 $6 Qxe4 23. Nxe4 Nd5 $11) ({White must play} 22. Nxe4 $16 Ng6 {[#]} 23. Qxh7+ $3 {[%mdl 512]} Kxh7 24. Ng5+ Kg8 25. Nxf3) 22... Ng6 {[%emt 0:03:12]} (22... g6 $1 $11) 23. Rg3 $1 $40 {[%emt 0:06:47][%mdl 128] White attacks.} Qf6 {[%emt 0:01:57]} ({Better is} 23... h6 $14 24. Qd5 c6) 24. Qxf6 $18 {[%emt 0:01:36]} gxf6 {[%emt 0:00:02]} 25. Nd5 {[%emt 0:00:13][%csl LRc7,LRf6]} Kg7 {[%emt 0:07:07]} 26. Nxc7 {[%emt 0:00:55]} Rc8 {[%emt 0:01:40]} (26... Rd8 $142) 27. Nd5 {[%emt 0:00:11]} b5 {[%emt 0:00:46]} 28. Rf1 {[%emt 0:01:53]} Rc6 {[%emt 0:01:19]} 29. h4 {[%emt 0:08:44] h5 is the strong threat.} h5 {[%emt 0:01:21]} 30. Rf5 {[%emt 0:05:34]} Rh8 {[%emt 0:00:35]} 31. Rf2 {[%emt 0:02:22]} Rd8 {[%emt 0:02:46]} 32. Rf5 {[%emt 0:00:15]} (32. Nc3 $142) 32... Rh8 $1 {[%emt 0:00:04]} 33. c3 {[%emt 0:04:19]} Rh6 {[%emt 0:00:47]} (33... Kf8 $142 34. Nxf6 (34. Rxf6 Rxf6 35. Nxf6 Nxh4 $16) 34... Nxh4) 34. Rf2 {[%emt 0:02:34] And now Ne7 would win.} Re6 {[%emt 0:00:43] Inhibits Ne7.} 35. Nc7 {[%emt 0:00:51]} Rc6 $2 {[%emt 0:00:31]} (35... f5 {was called for.} 36. Nxe6+ fxe6) 36. Ne8+ {[%emt 0:00:17]} Kf8 {[%emt 0:00:06]} 37. Nxf6 {[%emt 0:00:08]} Nxh4 {[%emt 0:00:56]} (37... Ne7 $142) 38. Rg8+ {[%emt 0:00:31]} Ke7 {[%emt 0:00:20]} 39. Re8+ {[%emt 0:00:17]} Kd6 {[%emt 0:00:02]} 40. Rxe4 {[%emt 0:01:34]} Kc7 {[%emt 0:01:06]} (40... Ng6 $142 41. Re8 Rh8 42. Rxh8 Nxh8 43. Nxh5 Ke7) 41. Nd5+ {[%emt 0:01:14] White is clearly winning.} Kd6 {[%emt 0:00:16]} 42. Nb4 {[%emt 0:00:23]} Ng6 {[%emt 0:00:49]} 43. Rf6+ {[%emt 0:00:09] Weighted Error Value: White=0.31/Black=0.40} 1-0

[Event "13th Chennai Open 2022"]
[Site "Chennai"]
[Date "2022.06.24"]
[Round "8.12"]
[White "Daakshin Arun"]
[Black "Karthikeyan, P.."]
[Result "1-0"]
[ECO "E52"]
[WhiteElo "2016"]
[BlackElo "2361"]
[Annotator "TA"]
[PlyCount "71"]
[EventDate "2022.06.19"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 15,71,-7,-3,-10,-2,-2,4,-10,30,-13,-10,-13,-19,-16,0,0,0,0,0,0,0,0,0,-15,-10,-15,-16,-54,20,0,0,0,0,0,0,0,0,0,0,0,0,-54,-55,-67,-64,-56,-28,-37,-40,-46,0,0,279,281,277,285,29995,29996]} 1. d4 {[%emt 0:00:08]} Nf6 {[%emt 0:00:05]} 2. c4 {[%emt 0:00:07]} e6 {[%emt 0:00:27]} 3. Nc3 {[%emt 0:00:05]} Bb4 {[%emt 0:00:06]} 4. Bd2 {[%emt 0:00:16]} d5 {[%emt 0:05:06]} 5. e3 {[%emt 0:00:21]} O-O {[%emt 0:00:48]} 6. Nf3 {[%emt 0:00:38]} b6 {[%emt 0:01:42]} 7. cxd5 {[%emt 0:01:07]} exd5 {[%emt 0:00:14]} 8. Bd3 {[%emt 0:00:35]} Bb7 {[%emt 0:01:52]} 9. Ne5 {[%emt 0:01:16] E52: Nimzo-Indian: Rubinstein: 4...0-0 5 Nf3 d5 6 Bd3 b6.} Bd6 {[%emt 0:01:39]} 10. O-O {[%emt 0:01:27]} c5 {[%emt 0:00:14]} 11. Rc1 {[%emt 0:03:09] The position is equal.} a6 {[%emt 0:12:30] [#]} 12. a4 $146 {[%emt 0:08:49]} ({Predecessor:} 12. f4 Nc6 13. Ng4 Nxg4 14. Qxg4 cxd4 15. Nxd5 dxe3 16. Bc3 Be5 17. fxe5 Qxd5 18. Be4 Qe6 {1-0 (32) Bluebaum,M (2673)-Tregubov,P (2543) Chess.com INT 2022}) 12... Nc6 {[%emt 0:08:45]} 13. Nxc6 {[%emt 0:07:02]} Bxc6 {[%emt 0:04:23]} 14. b3 {[%emt 0:04:44] Inhibits c4.} Qe7 {[%emt 0:01:09]} 15. Qe2 {[%emt 0:05:07]} Qb7 {[%emt 0:00:44]} 16. f3 {[%emt 0:03:41]} Qb8 {[%emt 0:06:07] White must now prevent ...cxd4.} 17. g3 {[%emt 0:02:49]} Re8 {[%emt 0:04:33]} 18. Qf2 {[%emt 0:02:30]} Nd7 {[%emt 0:01:21]} 19. Ne2 {[%emt 0:08:24]} b5 {[%emt 0:05:02]} 20. e4 {[%emt 0:04:40]} c4 {[%emt 0:01:50]} 21. Bb1 {[%emt 0:02:09]} f6 {[%emt 0:09:51]} ({Black should play} 21... Ba3 $1 $15 22. Rc2 Qd6) 22. axb5 {[%emt 0:05:09]} axb5 {[%emt 0:04:56]} 23. exd5 {[%emt 0:03:36]} Bxd5 {[%emt 0:00:36]} 24. Nc3 $1 {[%emt 0:02:43]} Bf7 {[%emt 0:00:32]} 25. bxc4 $1 {[%emt 0:04:43]} Bxc4 {[%emt 0:00:16]} 26. Rfe1 {[%emt 0:01:01]} Nb6 {[%emt 0:07:05]} 27. Be4 {[%emt 0:03:24]} b4 {[%emt 0:04:52]} 28. Nd1 {[%emt 0:04:13]} ({White should try} 28. Bxa8 $11 bxc3 29. Rxe8+ Qxe8 30. Be4 cxd2 31. Qxd2) 28... Bd5 {[%emt 0:00:40]} 29. Qe2 {[%emt 0:06:49]} Bf7 {[%emt 0:10:20] [#] And now ...f5 would win.} 30. Ne3 {[%emt 0:04:05][%cal Bd1e3,Be3f5,Bf5h6][%mdl 32]} Ra2 {[%emt 0:01:35]} 31. Qd3 $1 {[%emt 0:01:41]} Kh8 {[%emt 0:02:21]} 32. Nf5 $1 {[%emt 0:01:49]} Bc4 {[%emt 0:02:12]} 33. Rxc4 $11 {[%emt 0:00:44]} Nxc4 {[%emt 0:00:02][%mdl 8192]} (33... Rxd2 $1 $11 {and Black is okay.} 34. Qxd2 Nxc4) 34. Qxc4 $18 {[%emt 0:00:18]} Rxd2 {[%emt 0:00:24]} 35. Qf7 {[%emt 0:00:31][%csl Gf5][%cal Rf7g7] Chess con chili.} Bf8 {[%emt 0:01:53] [#]} (35... Rg8 $18 36. Bd5 Bc7) 36. Nh6 $1 {[%emt 0:00:12][%mdl 512] Weighted Error Value: White=0.07 (flawless) /Black=0.45} 1-0

[Event "13th Chennai Open 2022"]
[Site "Chennai"]
[Date "2022.06.24"]
[Round "8.13"]
[White "Ramnathan, Balasubramaniam"]
[Black "Laxman, R.R."]
[Result "0-1"]
[ECO "C88"]
[WhiteElo "2119"]
[BlackElo "2420"]
[Annotator "TA"]
[PlyCount "90"]
[EventDate "2022.06.19"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 27,90,-10,0,-15,0,-11,0,-18,-24,-25,-23,-33,-25,-31,-24,-15,-14,-15,-15,-10,-6,-1,0,0,0,0,0,-60,-62,-114,-112,-112,-98,-109,-110,-102,-73,-113,-109,-127,-115,-132,-99,-118,-103,-113,-113,-202,-215,-217,-186,-210,-206,-189,-181,-234,-184,-318,-195,-308,-276,-1124,-1014,-2282,-2183]} 1. e4 {[%emt 0:00:10]} e5 {[%emt 0:00:06]} 2. Nf3 {[%emt 0:00:12]} Nc6 {[%emt 0:00:13]} 3. Bb5 {[%emt 0:00:17][%cal Bf1b5,Bb5a4,Ba4b3,Bb3a2][%mdl 32]} a6 {[%emt 0:00:11]} 4. Ba4 {[%emt 0:00:06]} Nf6 {[%emt 0:00:05]} 5. O-O {[%emt 0:00:23]} Be7 {[%emt 0:00:14]} 6. Re1 {[%emt 0:00:26]} b5 {[%emt 0:00:11]} 7. Bb3 {[%emt 0:00:07]} O-O {[%emt 0:00:07]} 8. a4 {[%emt 0:00:36]} Bb7 {[%emt 0:01:14]} 9. Nc3 {[%emt 0:00:35]} d6 {[%emt 0:01:03]} 10. d3 {[%emt 0:00:58]} Na5 {[%emt 0:00:10]} 11. Ba2 {[%emt 0:00:30]} b4 {[%emt 0:00:33]} 12. Ne2 {[%emt 0:00:51]} c5 {[%emt 0:00:25]} 13. Ng3 {[%emt 0:00:22]} Bc8 {[%emt 0:00:55]} 14. Bd2 {[%emt 0:04:14] 14.c3 is the modern continuation.} Rb8 {[%emt 0:01:35]} 15. h3 {[%emt 0:03:12] C88: Closed Ruy Lopez: Anti-Marshall Systems.} Be6 {[%emt 0:02:47]} 16. Bxe6 {[%emt 0:07:20]} fxe6 {[%emt 0:00:05]} 17. Ng5 {[%emt 0:05:45] The position is equal.} Qd7 {[%emt 0:00:51]} 18. f4 {[%emt 0:00:52]} exf4 {[%emt 0:01:47]} 19. Bxf4 {[%emt 0:00:05]} Nc6 {[%emt 0:01:49]} 20. Be3 {[%emt 0:02:40]} h6 {[%emt 0:03:18]} 21. Nf3 {[%emt 0:00:05] [#]} d5 $146 {[%emt 0:03:23]} ({Predecessor:} 21... Qe8 22. c3 bxc3 23. bxc3 Ne5 24. Nxe5 dxe5 25. Qc2 Qc6 26. c4 Rb7 27. Bd2 Rfb8 {0-1 (45) Chilchenko,N-Gutop,Y (2509) ICCF corr 1984}) 22. Bf4 {[%emt 0:12:15]} Rbe8 {[%emt 0:01:08][%cal Of6e4]} 23. Ne5 {[%emt 0:00:36]} Nxe5 {[%emt 0:00:14]} 24. Bxe5 {[%emt 0:00:08]} Bd6 $36 {[%emt 0:03:05][%mdl 2048] White is under pressure.} 25. Bxd6 {[%emt 0:06:11]} (25. exd5 {looks sharper.} exd5 26. Bxd6 Qxd6 27. Nf5) 25... Qxd6 {[%emt 0:03:27]} 26. e5 {[%emt 0:03:49]} Qc7 {[%emt 0:00:06]} 27. Nh5 {[%emt 0:18:19]} (27. exf6 $11 Qxg3 28. Qh5) 27... Nd7 $15 {[%emt 0:06:40]} 28. Re3 {[%emt 0:14:52]} ({White should try} 28. Qg4 $15 Re7 29. Nf6+ Nxf6 30. exf6 Rxf6 31. Rf1) 28... Rf5 $17 {[%emt 0:02:46]} (28... Nxe5 29. Qe1 Nc6 30. Rxe6) 29. Qe2 {[%emt 0:04:36]} Rxe5 {[%emt 0:01:10]} ({Much weaker is} 29... Nxe5 $6 30. Ng3 Rg5 31. h4 $11) 30. Re1 {[%emt 0:00:10][%cal Re3e5]} Rxe3 {[%emt 0:00:25]} 31. Qxe3 {[%emt 0:00:08]} Qd6 {[%emt 0:01:41]} 32. Qf3 {[%emt 0:00:39]} Re7 {[%emt 0:02:43]} (32... a5 {is more complex.} 33. b3 Kh7 34. Qf7 Re7) 33. c3 {[%emt 0:01:12]} bxc3 {[%emt 0:01:59]} 34. bxc3 {[%emt 0:00:04]} e5 {[%emt 0:01:28]} 35. Qg4 {[%emt 0:00:17]} Qe6 {[%emt 0:01:34]} 36. Qh4 {[%emt 0:01:08]} Rf7 {[%emt 0:01:58] Against Nf4} 37. d4 {[%emt 0:01:55]} (37. c4 $17 {was called for.}) 37... cxd4 {[%emt 0:00:08]} 38. cxd4 {[%emt 0:00:09]} Qb6 {[%emt 0:00:15]} 39. Rd1 {[%emt 0:00:56]} Qb3 {[%emt 0:06:14]} 40. Qg4 {[%emt 0:00:41]} Qxa4 {[%emt 0:00:45]} 41. Kh2 {[%emt 0:01:42]} (41. dxe5 $142 Qxg4 42. hxg4 Nxe5 43. Rxd5 Nxg4 44. Rd4) 41... Qc6 {[%emt 0:04:13]} 42. Rd3 {[%emt 0:03:04]} (42. dxe5 $142 Nxe5 43. Qd4) 42... exd4 {[%emt 0:02:12]} 43. Rg3 {[%emt 0:00:57]} (43. Qxd4 $142 Qc7+ 44. Kg1) 43... Nf6 $19 {[%emt 0:03:09]} 44. Qg6 {[%emt 0:06:51] [#]} (44. Nxf6+ Qxf6 45. Ra3) 44... Qc7 $1 {[%emt 0:00:01]} 45. h4 {[%emt 0:00:55]} (45. Qf5 Ne4) 45... Ne4 {[%emt 0:01:03] Weighted Error Value: White=0.68/Black=0.10 (very precise)} 0-1

[Event "13th Chennai Open 2022"]
[Site "Chennai"]
[Date "2022.06.24"]
[Round "8.14"]
[White "Nguyen, Thanh Thuy Tien"]
[Black "Nguyen, Van Huy"]
[Result "0-1"]
[ECO "B19"]
[WhiteElo "1996"]
[BlackElo "2405"]
[Annotator "TA"]
[PlyCount "120"]
[EventDate "2022.06.19"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 21,120,-22,21,-40,38,40,27,15,116,118,197,-35,-20,-20,-19,-20,-20,-12,-6,-3,62,74,60,64,65,34,38,0,0,0,0,0,0,0,0,-64,-64,-81,-95,-102,-80,-87,-89,-80,-38,-38,-38,-38,-38,-39,-39,-44,-15,-175,-45,-138,-95,-104,-101,-118,-101,-259,-261,-321,-322,-382,-310,-506,-437,-1078,-1078,-1078,-964,-887,-155,-155,-155,-155,-155,-245,-128,-29968,-245,-29968,-29970,-29967,-29967,-29976,-29977,-29979,-29980,-29980,-29980,-29980,-29981,-29981,-29982,-29979,-29979,-29978,-29977]} 1. e4 {[%emt 0:00:07]} c6 {[%emt 0:00:36]} 2. d4 {[%emt 0:00:09]} d5 {[%emt 0:00:07]} 3. Nc3 {[%emt 0:00:11]} dxe4 {[%emt 0:00:25]} 4. Nxe4 {[%emt 0:00:09]} Bf5 {[%emt 0:00:05]} 5. Ng3 {[%emt 0:00:15]} Bg6 {[%emt 0:00:06]} 6. h4 {[%emt 0:00:09]} h6 {[%emt 0:00:06]} 7. Nf3 {[%emt 0:00:17]} e6 {[%emt 0:01:28]} 8. h5 {[%emt 0:01:56]} Bh7 {[%emt 0:00:06]} 9. Bd3 {[%emt 0:00:10]} Bxd3 {[%emt 0:00:07]} 10. Qxd3 {[%emt 0:00:05]} Nf6 {[%emt 0:00:33]} 11. Bd2 {[%emt 0:00:49]} c5 {[%emt 0:00:31]} 12. c4 {[%emt 0:10:54] B19: Classical Caro-Kann: 4...Bf5 main line.} (12. O-O-O $11) 12... Nc6 {[%emt 0:06:36] [#]} ({Black should try} 12... cxd4 $15 13. Qxd4 Nc6) 13. d5 $146 {[%emt 0:02:47]} ({Predecessor:} 13. Bc3 cxd4 14. Nxd4 e5 15. Qe3 Nxd4 16. O-O-O Ng4 17. Qe4 Qg5+ 18. f4 Qxf4+ 19. Qxf4 exf4 20. Rxd4 {0-1 (34) Horn,E (2046)-Molchanova,T (2298) Izmir 2004}) 13... exd5 {[%emt 0:08:24]} 14. O-O-O {[%emt 0:04:39] White has an edge.} Be7 {[%emt 0:11:02]} (14... Bd6 $1 $11 {keeps the balance.}) 15. Nf5 $16 {[%emt 0:01:36]} O-O {[%emt 0:05:42] [#]} (15... Kf8 $16) 16. N3h4 $2 {[%emt 0:30:47]} ({Only move:} 16. Bxh6 $1 $18 {[%mdl 512]} gxh6 (16... Ne8 17. Nxe7+) 17. Kb1) 16... Ne4 {[%emt 0:08:11]} (16... Nd4 $5 {[%cal Rf6g4]} 17. Rde1 Bd6 $11) 17. cxd5 {[%emt 0:18:39]} Nxd2 {[%emt 0:02:24]} 18. Nxe7+ {[%emt 0:06:39]} Nxe7 {[%emt 0:06:20]} 19. d6 {[%emt 0:01:54] [#]} Nc6 $1 {[%emt 0:02:44][%cal Oc6d4]} 20. Rxd2 {[%emt 0:00:54]} Qf6 {[%emt 0:00:36]} (20... Re8 $11) 21. Qf5 $1 $14 {[%emt 0:02:07]} Qe6 {[%emt 0:18:02]} 22. Qxe6 {[%emt 0:02:08]} ({Much worse is} 22. Qxc5 Qxa2 23. Qa3 Qe6 $11) 22... fxe6 {[%emt 0:01:26]} 23. Ng6 {[%emt 0:02:09]} Rf5 {[%emt 0:00:49]} 24. f4 {[%emt 0:04:17]} Rd8 $1 {[%emt 0:01:45]} 25. g4 {[%emt 0:02:12]} Rd5 {[%emt 0:00:40]} 26. Rxd5 {[%emt 0:00:16]} exd5 $11 {[%emt 0:00:02][%mdl 4096] Endgame KRN-KRN} 27. Re1 {[%emt 0:00:51]} Kf7 $1 {[%emt 0:01:18]} (27... Rxd6 $2 28. Re8+ Kf7 29. Rf8+ Ke6 30. f5+ Kd7 31. Rf7+ Ke8 32. Rf8+ (32. Rxb7 Rd7 $16) 32... Kd7 33. Rf7+ Ke8 34. Rxg7 $18) 28. Ne5+ {[%emt 0:05:06]} (28. g5 $11) 28... Nxe5 $15 {[%emt 0:00:34]} 29. fxe5 {[%emt 0:00:30] Strongly threatening e6+. KR-KR} Ke6 {[%emt 0:00:07]} 30. Rf1 {[%emt 0:00:04]} Kxe5 {[%emt 0:01:14]} (30... c4 {looks sharper.} 31. Kc2 b5 32. g5 hxg5 33. Rg1 Rd7) 31. Rf7 {[%emt 0:00:04][%csl LRb7,LRg7]} Rxd6 {[%emt 0:00:48]} 32. Rxg7 {[%emt 0:02:02]} Rb6 {[%emt 0:00:47]} 33. g5 {[%emt 0:00:44]} hxg5 {[%emt 0:00:32]} 34. Rxg5+ {[%emt 0:00:04]} Ke4 {[%emt 0:00:16]} 35. Rg6 {[%emt 0:01:22] Inhibits Rh6. aiming for Rxb6.} Kf5 {[%emt 0:00:11]} 36. Rg7 {[%emt 0:01:28]} a5 {[%emt 0:01:19]} 37. Rd7 $2 {[%emt 0:00:00]} (37. b3 $11) 37... Ke5 {[%emt 0:00:39]} (37... Ke4 $19 {Threatens to win with ...Rh6.} 38. Kc2 Rh6 39. Re7+ Kd4 40. Rxb7 Rxh5) 38. Rh7 {[%emt 0:00:04] Inhibits Rh6.} (38. Rg7 $1 $15) 38... Rb4 {[%emt 0:00:40]} 39. h6 {[%emt 0:00:30]} b5 {[%emt 0:01:39][%cal Bb7b5,Bb5b4][%mdl 32]} 40. Rc7 {[%emt 0:00:53]} Kd6 {[%emt 0:00:52]} 41. h7 $2 {[%emt 0:00:28]} (41. Ra7 $17) 41... Rh4 $19 {[%emt 0:00:11]} 42. Rg7 {[%emt 0:00:06]} c4 {[%emt 0:00:30]} 43. Kd2 {[%emt 0:00:31]} Kc5 {[%emt 0:00:31]} 44. a3 $2 {[%emt 0:00:32]} (44. Ke3 {was necessary.}) 44... b4 {[%emt 0:00:23]} 45. Ra7 {[%emt 0:00:25]} (45. Ke2 $142 bxa3 46. bxa3) 45... bxa3 {[%emt 0:00:47]} 46. Rxa5+ {[%emt 0:00:19]} Kd4 {[%emt 0:00:51]} 47. Rxa3 {[%emt 0:00:39] [#]} Rxh7 $2 {[%emt 0:00:05]} (47... Rh2+ $1 $19 48. Kd1 Rxh7) 48. Rg3 $17 {[%emt 0:00:24]} Rh2+ {[%emt 0:00:12]} 49. Kc1 {[%emt 0:00:04]} Re2 {[%emt 0:00:10] ...Rh2 is the strong threat. Black is more active.} 50. Rc3 {[%emt 0:01:25]} (50. Rh3 $17 {only move.}) 50... Re3 {[%emt 0:00:54]} (50... Ke5 $19 {White must now prevent ...Rh2.} 51. Kb1 Rg2) 51. Rc2 {[%emt 0:00:37][%mdl 8192]} (51. Kd2 $17 Re5 52. Rh3) 51... Re1+ {[%emt 0:00:04]} 52. Kd2 {[%emt 0:00:02] [#]} Rb1 {[%emt 0:00:04] Black mates.} 53. Ke2 {[%emt 0:00:41]} Kc5 {[%emt 0:00:08]} 54. Ke3 {[%emt 0:00:46]} d4+ {[%emt 0:00:08][%cal Bd5d4,Bd4d3][%mdl 32]} 55. Ke4 {[%emt 0:00:30]} Re1+ {[%emt 0:00:24]} 56. Kf3 {[%emt 0:00:08]} d3 {[%emt 0:00:23]} 57. Rh2 {[%emt 0:00:08]} Kb4 {[%emt 0:00:10]} 58. Rd2 {[%emt 0:01:16]} Kb3 {[%emt 0:00:12]} 59. Rh2 {[%emt 0:00:27]} Re2 {[%emt 0:00:17]} 60. Rh4 {[%emt 0:00:11]} Rxb2 {[%emt 0:00:06] Weighted Error Value: White=0.48/Black=0.34} 0-1

[Event "13th Chennai Open 2022"]
[Site "Chennai"]
[Date "2022.06.24"]
[Round "8.15"]
[White "Adireddy Arjun"]
[Black "Rajesh, V A V"]
[Result "0-1"]
[ECO "C76"]
[WhiteElo "1898"]
[BlackElo "2358"]
[Annotator "TA"]
[PlyCount "128"]
[EventDate "2022.06.19"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 19,128,6,17,-5,-5,-5,-5,-5,-9,-4,-1,-6,-6,-8,0,0,0,-13,-13,-30,-34,-32,-25,-31,-29,-121,-126,-116,-122,-108,-97,-189,-87,-75,-75,-70,-71,-57,-91,-82,-41,-35,-43,-97,-106,-103,-104,-137,-138,-152,-161,-227,-221,-223,-207,-219,-207,-331,-191,-173,-169,-248,-236,-275,-234,-255,-241,-434,-445,-531,-483,-516,-466,-439,-422,-579,-454,-830,-830,-1185,-1148,-5081,-4395,-4133,-2829,-29956,-29956,-6099,-5081,-1386,-8,-29977,-29978,-29980,-29981,-29981,-29982,-29982,-29983,-29983,-29984,-29985,-29986,-29986,-29987,-29989,-29988,-29989,-29990,-29998,-29999]} 1. e4 {[%emt 0:01:11]} e5 {[%emt 0:00:06]} 2. Nf3 {[%emt 0:00:07]} Nc6 {[%emt 0:00:18]} 3. Bb5 {[%emt 0:00:13]} a6 {[%emt 0:00:16]} 4. Ba4 {[%emt 0:00:05]} d6 {[%emt 0:00:26]} 5. O-O {[%emt 0:00:45]} Bd7 {[%emt 0:00:04]} 6. c3 {[%emt 0:02:16]} g6 {[%emt 0:00:42]} 7. d4 {[%emt 0:01:01]} Bg7 {[%emt 0:00:09]} 8. dxe5 {[%emt 0:02:08]} dxe5 {[%emt 0:01:41]} 9. Be3 {[%emt 0:11:19]} Nf6 {[%emt 0:04:37]} 10. Nbd2 {[%emt 0:00:37]} O-O {[%emt 0:04:00] The main line 10...0-0 scores better than 10...Qe7.} 11. Bxc6 {[%emt 0:11:25] C76: Ruy Lopez: Deferred Steinitz: 5 c3 Bd7 6 d4 g6.} (11. Re1 {is interesting.} Qe7 12. b4 Rfd8 13. Qc2) 11... Bxc6 {[%emt 0:02:21]} 12. Nxe5 {[%emt 0:00:07]} Bxe4 {[%emt 0:01:21]} 13. Nxe4 {[%emt 0:15:03] The position is equal.} (13. Qb3 {with more complications.} Bd5 14. c4 Re8 15. Ndf3) 13... Nxe4 {[%emt 0:00:07]} 14. Qxd8 {[%emt 0:02:23]} Raxd8 {[%emt 0:00:10] [#]} 15. Nc4 $146 {[%emt 0:00:41]} ({Predecessor:} 15. Nf3 Rd5 16. Rfd1 Rfd8 17. Rxd5 Rxd5 18. Re1 f5 19. Ng5 Nxg5 20. Bxg5 h6 21. Be3 {0-1 (40) Aakanksha,H (2230)-Padmini,R (2372) Ahmedabad 2020}) 15... Rd5 {[%emt 0:10:21]} 16. Rfd1 {[%emt 0:03:38]} Rfd8 {[%emt 0:01:22]} 17. Rxd5 {[%emt 0:00:07]} Rxd5 {[%emt 0:00:04]} 18. f3 {[%emt 0:01:38]} Nc5 {[%emt 0:01:47]} 19. Bxc5 {[%emt 0:02:28]} Rxc5 $11 {[%emt 0:00:21][%mdl 4096] Endgame KRB-KRN} 20. Ne3 {[%emt 0:01:19]} Rb5 {[%emt 0:01:33]} 21. Nc4 {[%emt 0:02:44]} Rd5 {[%emt 0:01:35][%cal Bb5d5,Bd5d2,Bd2c2][%mdl 32]} 22. Ne3 {[%emt 0:15:37]} (22. Kf1 $11) 22... Rd2 $1 $17 {[%emt 0:01:39]} 23. Nc4 {[%emt 0:00:04]} Rc2 {[%emt 0:04:08]} 24. Rd1 {[%emt 0:00:06]} b5 {[%emt 0:23:45]} 25. Rd8+ {[%emt 0:00:59]} Bf8 {[%emt 0:00:11]} 26. Ne5 {[%emt 0:00:40] [#] And now Nd7 would win.} Kg7 $1 {[%emt 0:00:45]} 27. Rd7 {[%emt 0:00:44][%csl LRc7,LRf7]} Bc5+ {[%emt 0:07:42]} 28. Kf1 {[%emt 0:00:07]} Rf2+ {[%emt 0:00:51]} 29. Ke1 {[%emt 0:00:09]} Rxb2 {[%emt 0:01:58]} 30. Rxf7+ {[%emt 0:06:29]} Kg8 {[%emt 0:00:14]} 31. Rd7 {[%emt 0:04:09]} (31. Rxc7 $15 Bd6 32. Rc8+ Kg7 33. Ng4) 31... Rxg2 {[%emt 0:08:03]} 32. Ng4 {[%emt 0:01:20] [#]} Kf8 $1 {[%emt 0:00:30]} ({Reject} 32... Rxa2 $6 33. Nf6+ Kf8 34. Nxh7+ Kg8 35. Nf6+ Kf8 36. Nh7+ Kg8 37. Nf6+ Kf8 38. Nh7+ $11) 33. Rxh7 {[%emt 0:01:53]} Bd6 {[%emt 0:02:03] Black is more active.} ({And not} 33... Rxa2 34. Rxc7 Bd6 35. Rd7 $15) 34. h4 {[%emt 0:03:37]} Rxa2 {[%emt 0:01:13]} 35. Nf6 {[%emt 0:03:26]} (35. Kd1 {keeps fighting.}) 35... Rh2 $19 {[%emt 0:02:37] Strongly threatening ...Be5.} 36. Nd7+ {[%emt 0:03:41]} Ke8 {[%emt 0:00:15]} 37. Nf6+ {[%emt 0:00:11]} Kd8 {[%emt 0:00:06]} 38. Rh6 {[%emt 0:01:41]} (38. Ne4 {was worth a try.}) 38... Rxh4 {[%emt 0:11:14]} 39. Rxg6 {[%emt 0:00:13]} a5 {[%emt 0:00:43]} 40. Ne4 {[%emt 0:00:30]} (40. Ke2 $142) 40... Be7 {[%emt 0:00:26]} 41. Ra6 {[%emt 0:00:30]} a4 {[%emt 0:03:51]} 42. Ke2 {[%emt 0:00:47][%cal Oc3c4]} a3 {[%emt 0:02:03] Threatens to win with ...Kc8.} 43. Ke3 $2 {[%emt 0:00:45]} (43. Ra5) 43... Kc8 {[%emt 0:01:10]} 44. f4 {[%emt 0:00:53]} Kb7 {[%emt 0:01:01] Inhibits Ra8.} 45. Rg6 {[%emt 0:01:16]} Rh1 {[%emt 0:03:11] aiming for ...a2.} 46. Rg2 {[%emt 0:00:14]} Kc6 {[%emt 0:00:00]} ({Avoid the trap} 46... c5 $2 47. Rg7 Re1+ 48. Kf3 $19) 47. Kd4 {[%emt 0:02:01]} Rf1 {[%emt 0:00:00]} 48. Ke5 {[%emt 0:00:29]} (48. Kd3 $142) 48... Bd6+ {[%emt 0:00:00]} 49. Nxd6 {[%emt 0:00:26]} cxd6+ {[%emt 0:00:00][%cal Bc7d6,Bd6d5][%mdl 32] KR-KR} 50. Ke4 {[%emt 0:00:02]} Kc5 {[%emt 0:01:38]} 51. Ra2 {[%emt 0:00:05]} d5+ {[%emt 0:00:11]} 52. Ke3 {[%emt 0:01:11]} b4 {[%emt 0:00:18]} 53. cxb4+ {[%emt 0:00:05]} Kxb4 {[%emt 0:00:11] ( -> ...Kb3)} 54. Rd2 {[%emt 0:00:05]} Kc3 $2 {[%emt 0:01:33]} (54... Re1+ $19 55. Kf2 Re4) 55. Rxd5 $2 {[%emt 0:00:06][%mdl 8192] White does not recover from this.} (55. Rd3+ $11 Kb4 56. Rd4+ Kc5 57. Ra4 d4+ 58. Ke4 Re1+ 59. Kd3 Re3+ 60. Kc2 Rc3+ 61. Kd2) 55... a2 {[%emt 0:00:22] Black mates.} 56. Ra5 {[%emt 0:00:47]} a1=Q {[%emt 0:00:24]} 57. Rxa1 {[%emt 0:00:04]} Rxa1 {[%emt 0:00:06] KR-KP} 58. Ke4 {[%emt 0:00:11]} Kc4 {[%emt 0:00:18]} 59. Ke5 {[%emt 0:00:08]} Kc5 {[%emt 0:00:48]} 60. f5 {[%emt 0:00:10]} Re1+ {[%emt 0:00:15]} 61. Kf6 {[%emt 0:00:34]} Kd6 {[%emt 0:00:12]} 62. Kg7 {[%emt 0:00:16]} Rf1 {[%emt 0:00:13]} 63. f6 {[%emt 0:00:04]} Ke6 {[%emt 0:00:05]} 64. Kh8 {[%emt 0:00:06]} Kf7 {[%emt 0:00:04] Weighted Error Value: White=0.74/Black=0.13 (very precise)} 0-1

[Event "13th Chennai Open 2022"]
[Site "Chennai"]
[Date "2022.06.24"]
[Round "8.16"]
[White "Mrithyunjay Mahadevan"]
[Black "Kunal, M.."]
[Result "0-1"]
[ECO "B12"]
[WhiteElo "1661"]
[BlackElo "2277"]
[Annotator "TA"]
[PlyCount "72"]
[EventDate "2022.06.19"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 9,72,40,42,30,25,14,14,18,18,11,14,-64,-22,-25,-21,-23,-19,-11,0,-51,-42,-55,-42,-45,-51,-36,0,0,100,99,86,90,88,-35,-23,-41,-43,-82,-94,-84,-85,-84,-92,-352,-364,-341,-334,-334,-94,-107,-106,-451,-447,-876,-899,-945,-921,-1295,-1164,-1389,-1256,-29985,-29986,-29981,-29976]} 1. e4 {[%emt 0:00:03]} c6 {[%emt 0:00:05]} 2. d4 {[%emt 0:00:06]} d5 {[%emt 0:00:04]} 3. e5 {[%emt 0:00:08]} Bf5 {[%emt 0:00:05]} 4. h4 {[%emt 0:00:12]} Qc8 {[%emt 0:00:06]} 5. h5 {[%emt 0:02:04]} h6 {[%emt 0:00:51]} 6. c4 {[%emt 0:01:56] B12: Caro-Kann: Advance Variation.} e6 {[%emt 0:03:32]} 7. Nc3 {[%emt 0:00:37] [#]} Ne7 $146 {[%emt 0:00:13]} ({Predecessor:} 7... Bb4 8. a3 Ba5 9. Be3 Ne7 10. Rc1 Bxc3+ 11. bxc3 Nd7 12. g4 Bh7 13. Nh3 Nb6 14. cxd5 Nexd5 {0-1 (38) Kostenko,P (2476)-Gunina,V (2518) Almaty 2016}) 8. g4 {[%emt 0:08:46] The position is equal.} Bh7 {[%emt 0:00:07]} 9. Be3 {[%emt 0:03:29]} dxc4 {[%emt 0:00:37]} 10. a4 {[%emt 0:03:31] Against b5} (10. Bxc4 $11 Nd7 11. Nge2) 10... a5 {[%emt 0:03:17]} (10... c5 $5) 11. Bxc4 {[%emt 0:00:59]} Na6 {[%emt 0:00:10]} 12. Rc1 {[%emt 0:05:02]} Nb4 {[%emt 0:01:27]} 13. Nh3 {[%emt 0:01:13]} Ned5 {[%emt 0:01:29]} 14. Nf4 {[%emt 0:03:48]} (14. Nxd5 $11 exd5 15. Be2) 14... Nxf4 $15 {[%emt 0:05:17]} 15. Bxf4 {[%emt 0:00:11]} Qd7 {[%emt 0:00:04]} 16. O-O {[%emt 0:01:55]} Be7 {[%emt 0:01:22]} 17. Be3 {[%emt 0:05:59]} Rd8 {[%emt 0:01:14]} 18. f4 {[%emt 0:14:29]} Nd5 {[%emt 0:08:21]} (18... O-O $11 {keeps the balance.}) 19. Bxd5 $16 {[%emt 0:01:23]} cxd5 {[%emt 0:00:07]} 20. f5 {[%emt 0:09:23]} exf5 {[%emt 0:05:58]} 21. Qf3 {[%emt 0:00:28]} (21. Nb5 $16 {[%cal Oe5e6] Hoping for e6!} O-O 22. Rc7) 21... f4 $1 $15 {[%emt 0:00:08]} 22. Nb5 {[%emt 0:02:37]} O-O {[%emt 0:03:35]} 23. Rc7 {[%emt 0:01:40]} ({Don't blunder} 23. Qxf4 $2 Bg5 24. Qg3 Bxe3+ 25. Qxe3 Qxg4+ 26. Kf2 Qxh5 $19) 23... Qe6 $36 {[%emt 0:00:12][%mdl 2048] Keeping White busy.} 24. Bxf4 {[%emt 0:00:11]} ({But not} 24. Qxf4 Bg5 25. Qg3 Bxe3+ 26. Qxe3 Qxg4+ 27. Kf2 Rc8 $17) 24... Be4 {[%emt 0:00:23]} 25. Qg3 {[%emt 0:00:57]} Rc8 {[%emt 0:01:25][%cal Bd8c8,Bc8c2,Bc2f2][%mdl 32]} 26. Rxb7 $2 {[%emt 0:03:41][%mdl 8192]} (26. Be3 $17) 26... Rc2 $19 {[%emt 0:02:14][%cal Oe7h4] Strongly threatening ...Bh4!} 27. Rf2 {[%emt 0:00:48] [#]} Rxf2 {[%emt 0:00:09]} 28. Kxf2 {[%emt 0:00:04] [#]} f6 $2 {[%emt 0:07:24]} (28... g5 $1 $19 {[%cal Rg5f4] is more deadly.} 29. hxg6 (29. Bd2 $2 f6 $19) 29... fxg6) 29. Ke2 $17 {[%emt 0:11:12]} fxe5 {[%emt 0:02:05] Chess con chili.} 30. dxe5 {[%emt 0:00:50][%mdl 8192]} (30. Bxe5 $17 {nothing else works.} Bf3+ 31. Qxf3 Rxf3 32. Kxf3) 30... d4 $19 {[%emt 0:06:17][%cal Bd5d4,Bd4d3,Bd3d2][%mdl 32] ( -> ...Qc4+)} 31. Rc7 {[%emt 0:00:25] Against Qc4+} (31. Rxe7 $142 Qxe7 32. Nd6) 31... d3+ {[%emt 0:07:52]} 32. Kd2 {[%emt 0:09:28]} Bd8 {[%emt 0:06:14] This bishop pair is nice.} 33. Ke3 {[%emt 0:03:44]} d2 {[%emt 0:04:59]} 34. Nc3 {[%emt 0:01:32]} Bxc7 {[%emt 0:00:10]} 35. Kxe4 {[%emt 0:00:16]} Qc4+ {[%emt 0:00:34]} 36. Ke3 {[%emt 0:00:14] [#]} Qxc3+ $3 {[%emt 0:30:23][%mdl 512] Weighted Error Value: White=0.88/Black=0.26 (precise)} 0-1

[Event "13th Chennai Open 2022"]
[Site "Chennai"]
[Date "2022.06.24"]
[Round "8.17"]
[White "Badrinarayanan N"]
[Black "Jubin Jimmy"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "1574"]
[BlackElo "2259"]
[Annotator "TA"]
[PlyCount "56"]
[EventDate "2022.06.19"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 9,56,-33,-15,-18,1,-35,-28,-50,-47,-50,-37,-70,-71,-107,-64,-70,-71,-70,-74,-78,-53,-56,-45,-50,-45,-79,-79,-83,-79,-79,-69,-70,-67,-78,-76,-307,-322,-304,-281,-548,-545,-535,-518,-595,-587,-822,-815,-1443,-782]} 1. g3 {[%emt 0:00:23]} d5 {[%emt 1:31:00]} 2. Bg2 {[%emt 0:00:13]} e5 {[%emt 0:00:06]} 3. e3 {[%emt 0:00:23]} Nf6 {[%emt 0:00:29]} 4. Ne2 {[%emt 0:00:16]} Bd6 {[%emt 0:00:17]} 5. O-O {[%emt 0:00:22]} O-O {[%emt 1:31:47]} 6. d4 {[%emt 0:00:15] [#] A00: Irregular Openings.} Nbd7 $146 {[%emt 1:32:13][%cal Bb8d7,Bd7b6,Bb6d5,Bd5b4,Bb4d3][%mdl 32]} ({Predecessor:} 6... e4 7. b3 Bf5 8. c4 c6 9. Nbc3 Re8 10. cxd5 cxd5 11. Bd2 Nc6 12. Rc1 h6 {1-0 (49) Kekana,L (1182)-Nkoana,K (1059) Gauteng 2017}) 7. c4 {[%emt 0:00:55]} dxc4 {[%emt 0:00:40]} 8. Nbc3 {[%emt 0:00:21] Black has an edge.} Qe7 {[%emt 0:00:43]} 9. Nb5 {[%emt 0:02:56]} e4 {[%emt 0:02:08]} 10. Qc2 {[%emt 0:03:47]} Nb6 {[%emt 0:01:12]} 11. a4 {[%emt 0:00:35]} Nbd5 {[%emt 0:11:03]} 12. Nxd6 {[%emt 0:03:16]} cxd6 {[%emt 0:00:27]} 13. Qxc4 {[%emt 0:12:26]} Be6 {[%emt 0:02:02][%cal Od5e3,Bc8e6,Be6c4,Bc4d3][%mdl 32] White must now prevent ...Nxe3!} 14. Qc2 {[%emt 0:02:34]} Nb4 {[%emt 0:04:18]} 15. Qd1 {[%emt 0:14:27]} Bc4 {[%emt 0:03:16]} 16. Bd2 {[%emt 0:04:10]} Nd3 {[%emt 0:03:26] Pair of Knights!} 17. Bc3 {[%emt 0:01:51]} Rfc8 {[%emt 0:02:56]} 18. Qd2 {[%emt 0:02:01]} Rc7 {[%emt 0:00:28]} 19. Nc1 {[%emt 0:02:30]} Qe6 {[%emt 1:05:31]} 20. Nxd3 {[%emt 0:01:06]} Bxd3 {[%emt 0:00:03]} 21. Rfc1 {[%emt 0:00:59]} Rac8 {[%emt 1:01:46]} 22. b4 $2 {[%emt 0:03:14] [#] This move loses the game for White.} (22. Qe1 $17) 22... Nd5 $1 $19 {[%emt 0:00:00][%cal Bf6d5,Bd5b4,Bb4d3][%mdl 32]} 23. Ra3 {[%emt 0:04:26]} Qg4 {[%emt 0:00:00]} 24. Bf1 $2 {[%emt 0:14:39]} (24. h3 Qe2 25. Qxe2 Bxe2 26. Bxe4 Rxc3 27. Raxc3 Rxc3 28. Rxc3 Nxc3 29. Bxb7) 24... Bxf1 {[%emt 0:00:00] Black is clearly winning.} ({And not} 24... Nxc3 25. Raxc3 Rxc3 26. Rxc3 $11) ({Not} 24... Rxc3 25. Rcxc3 Nxc3 26. Rxc3 $11) 25. Kxf1 {[%emt 0:00:04] [#]} Nxb4 $1 {[%emt 0:00:00][%mdl 512]} 26. Qe2 {[%emt 0:10:13]} (26. a5 h5) 26... Qf3 {[%emt 0:00:00][%cal Rf3h1]} 27. Qd2 {[%emt 0:02:11]} Nd3 {[%emt 0:00:00]} 28. Rc2 {[%emt 0:00:22]} Qh1+ {[%emt 0:00:00] Weighted Error Value: White=0.77/Black=0.06 (flawless)} 0-1

[Event "13th Chennai Open 2022"]
[Site "Chennai"]
[Date "2022.06.24"]
[Round "8.18"]
[White "Pranav, K P"]
[Black "Tiwari, Arjun"]
[Result "1-0"]
[ECO "A42"]
[BlackElo "2163"]
[Annotator "TA"]
[PlyCount "81"]
[EventDate "2022.06.19"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 17,81,33,41,41,46,30,69,67,184,103,243,235,209,217,282,145,151,119,120,57,195,154,185,122,79,142,135,142,143,30,372,366,729,791,768,743,929,922,1168,1173,1371,1025,1062,1074,1060,1047,1026,1006,968,435,957,958,907,934,879,825,1000,829,29982,29983,29992,29984,29984,29984,29982,29983]} 1. d4 {[%emt 0:00:03]} g6 {[%emt 0:00:24]} 2. c4 {[%emt 0:00:06]} Bg7 {[%emt 0:00:07]} 3. Nc3 {[%emt 0:00:06]} d6 {[%emt 0:00:05]} 4. e4 {[%emt 0:00:16]} Nd7 {[%emt 0:00:09]} 5. Be3 {[%emt 0:00:51]} e5 {[%emt 0:00:11]} 6. d5 {[%emt 0:00:55]} Ne7 {[%emt 0:00:29]} 7. Bd3 {[%emt 0:01:06]} O-O {[%emt 0:00:17]} 8. Nge2 {[%emt 0:01:13]} f5 {[%emt 0:01:27]} 9. f3 {[%emt 0:01:24]} Nf6 {[%emt 0:00:21]} 10. h3 {[%emt 0:02:40] A42: Modern Defence: Averbakh Variation.} Nh5 {[%emt 0:19:02][%cal Oh5f4]} 11. Qd2 {[%emt 0:01:31] [#]} c5 $146 {[%emt 0:05:07]} ({Predecessor:} 11... b6 12. O-O-O f4 13. Bf2 a5 14. Kb1 Bd7 15. Bc2 Qe8 16. Rc1 g5 17. Qd1 Nf6 {1-0 (87) Buhmann,R (2584)-Meissner,F (2333) Katowice 2017}) 12. g4 {[%emt 0:13:54] White is more active. White is slightly better.} fxe4 {[%emt 0:04:29]} (12... f4 $14 13. Bf2 Nf6) 13. fxe4 {[%emt 0:00:18]} (13. Nxe4 $18 Nf6 14. N4c3) 13... Nf4 {[%emt 0:03:37]} (13... Nf6 $16) 14. Nxf4 $18 {[%emt 0:05:34]} exf4 {[%emt 0:00:09]} 15. Bxf4 {[%emt 0:00:28]} a6 {[%emt 0:03:31]} 16. Be3 {[%emt 0:12:37]} (16. O-O $18) 16... b5 $16 {[%emt 0:03:16]} 17. cxb5 {[%emt 0:06:05]} axb5 {[%emt 0:00:15]} 18. Nxb5 {[%emt 0:00:22]} (18. Bxb5 $16 Qb6 19. Qe2) 18... Be5 {[%emt 0:02:23]} (18... Ba6 $14) 19. Ke2 {[%emt 0:01:43]} Bd7 {[%emt 0:05:33] [#]} 20. a4 {[%emt 0:04:18]} ({White must play} 20. Nc3 $1 $18) 20... Qc8 {[%emt 0:05:20][%cal Od7g4] And now ...Bxg4+! would win.} 21. Bc4 {[%emt 0:02:18]} g5 {[%emt 0:10:18]} 22. Bxg5 {[%emt 0:06:42]} Ng6 {[%emt 0:00:46][%cal Od7g4]} 23. Be3 {[%emt 0:07:30]} ({Better is} 23. Bh6 $16) 23... Bg7 {[%emt 0:11:48][%mdl 8192]} (23... Qb8 $11) 24. Nxd6 $18 {[%emt 0:03:09]} Bxg4+ {[%emt 0:03:31]} (24... Qb8) 25. hxg4 {[%emt 0:01:34]} Qxg4+ {[%emt 0:00:04]} 26. Kd3 {[%emt 0:00:08] Black must now prevent Rag1.} Qd7 {[%emt 0:17:07]} 27. Bxc5 {[%emt 0:06:57]} Qc7 {[%emt 0:01:21] [#]} 28. b4 $1 {[%emt 0:04:37]} Rad8 {[%emt 0:02:12]} (28... Ne5+ 29. Kc2) 29. Qh2 {[%emt 0:08:24][%csl Gh1][%cal Rh2h7]} Be5 {[%emt 0:00:31] [#]} 30. Nb5 $1 {[%emt 0:00:45][%csl LRc7,LRf8]} Qg7 {[%emt 0:00:50]} 31. Bxf8 {[%emt 0:00:46]} Rxf8 {[%emt 0:00:19]} 32. d6+ {[%emt 0:02:07]} Kh8 {[%emt 0:00:06] [#]} 33. Qxh7+ $3 {[%emt 0:00:45]} Qxh7 {[%emt 0:00:02]} 34. Rxh7+ {[%emt 0:00:01]} Kxh7 {[%emt 0:00:01]} 35. Rh1+ {[%emt 0:00:02]} Kg7 {[%emt 0:00:14]} 36. Bd5 {[%emt 0:00:42]} Rf2 {[%emt 0:01:15]} 37. Nd4 {[%emt 0:01:28]} Rb2 {[%emt 0:01:40]} 38. Ne6+ {[%emt 0:00:21] White mates.} Kf7 {[%emt 0:00:35]} 39. Rf1+ {[%emt 0:00:36]} Bf6 {[%emt 0:00:22]} 40. Nf4+ {[%emt 0:00:46]} Kg7 {[%emt 0:00:18]} 41. Nh5+ {[%emt 0:00:10] Weighted Error Value: White=0.38/Black=0.82} 1-0

[Event "13th Chennai Open 2022"]
[Site "Chennai"]
[Date "2022.06.25"]
[Round "9.1"]
[White "Nitin, S.."]
[Black "Ravichandran, Siddharth"]
[Result "1/2-1/2"]
[ECO "B12"]
[WhiteElo "2399"]
[BlackElo "2352"]
[Annotator "TA"]
[PlyCount "95"]
[EventDate "2022.06.19"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 9,95,0,0,0,0,0,16,0,0,0,0,0,0,0,0,-32,0,-21,6,-58,-36,-55,19,11,19,20,124,108,120,114,114,120,122,119,116,123,109,122,108,123,116,115,180,171,176,185,211,57,53,57,59,61,70,50,50,32,32,32,32,31,29,31,61,56,65,49,50,35,40,41,295,291,279,272,368,363,244,80,87,41,43,48,56,27,31,20,21,20]} 1. e4 {[%emt 0:00:32]} c6 {[%emt 0:00:09]} 2. d4 {[%emt 0:01:15]} d5 {[%emt 0:00:07]} 3. e5 {[%emt 0:00:05]} c5 {[%emt 0:00:08]} 4. dxc5 {[%emt 0:01:28]} e6 {[%emt 0:00:05]} 5. a3 {[%emt 0:00:06]} Bxc5 {[%emt 0:00:10]} 6. b4 {[%emt 0:04:45] B12: Caro-Kann: Advance Variation.} Be7 {[%emt 0:00:18]} 7. Nf3 {[%emt 0:00:44]} Nd7 {[%emt 0:01:13]} (7... a5 $5 {[%cal Ra5b4]}) 8. Be2 {[%emt 0:07:12]} a5 {[%emt 0:05:15]} 9. b5 {[%emt 0:00:40]} f6 {[%emt 0:01:25]} 10. Bb2 {[%emt 0:14:35]} fxe5 {[%emt 0:06:20]} 11. Nxe5 {[%emt 0:00:12]} Bf6 {[%emt 0:04:08] [#]} 12. f4 $146 {[%emt 0:04:55]} ({Predecessor:} 12. Nd3 Bxb2 13. Nxb2 Qf6 14. c3 Ne7 15. O-O O-O 16. Qd2 Nc5 17. Ra2 e5 18. Nd3 {0-1 (46) Mullick,R (2386)-Ivanovic,M (2245) Belgrade 2021}) 12... Nh6 {[%emt 0:04:34][%cal Bg8h6,Bh6f5,Bf5e3][%mdl 32]} 13. O-O {[%emt 0:05:19]} O-O {[%emt 0:17:37]} 14. c4 {[%emt 0:04:44]} (14. Nd2 $11) 14... Nf5 $15 {[%emt 0:06:00] aiming for ...Ne3.} 15. Bd3 {[%emt 0:18:34]} (15. cxd5 Ne3 16. Qd4 Nxf1 17. Bxf1 exd5 $17) 15... Bxe5 {[%emt 0:17:34]} (15... dxc4 $1 $15 16. Bxf5 (16. Bxc4 $2 Ne3 $19) 16... exf5 17. Qd5+ Kh8 18. Qxc4 Nxe5 19. fxe5 Bg5) 16. fxe5 $11 {[%emt 0:00:16]} Ne3 {[%emt 0:00:38][%csl LRc4,LRd1,LRf1]} 17. Rxf8+ {[%emt 0:03:55]} Nxf8 {[%emt 0:13:31]} (17... Qxf8 $11 18. Qd2 (18. Qh5 g6 $11) 18... Nxc4 19. Bxc4 dxc4) 18. Qd2 $1 $16 {[%emt 0:01:57]} Ng4 {[%emt 0:00:08] Strongly threatening ...Qb6+.} 19. Qf4 $1 $36 {[%emt 0:04:10][%mdl 2048] White is on the roll.} dxc4 {[%emt 0:04:16]} 20. Bxc4 {[%emt 0:01:46]} Qd1+ {[%emt 0:01:17]} 21. Bf1 {[%emt 0:01:09] Black must now prevent Nd2. A strong pair of Bishops.} Ng6 {[%emt 0:01:42]} 22. Qd2 {[%emt 0:00:30]} Qxd2 {[%emt 0:09:03]} 23. Nxd2 {[%emt 0:00:11]} Ne3 {[%emt 0:01:49]} 24. Nc4 {[%emt 0:00:53]} Nxc4 {[%emt 0:00:36]} 25. Bxc4 {[%emt 0:00:13]} Nf4 {[%emt 0:01:33]} (25... a4 $16 {was called for.} 26. Rd1 Kf7) 26. Rd1 $18 {[%emt 0:01:42]} Nd5 {[%emt 0:00:07]} 27. a4 {[%emt 0:02:59]} ({Don't play} 27. Bxd5 exd5 28. Rc1 (28. Rxd5 Be6 $16) 28... Bd7 $16) 27... Bd7 {[%emt 0:00:57]} 28. Bxd5 $2 {[%emt 0:01:03]} (28. Rxd5 $18 exd5 29. Bxd5+ Kf8 30. Bxb7 (30. Ba3+ Ke8 $16)) 28... exd5 $14 {[%emt 0:00:06]} 29. Rxd5 $18 {[%emt 0:00:04][%mdl 4096] Endgame KRB-KRB} Be6 {[%emt 0:00:10]} 30. Rd6 {[%emt 0:00:14]} Re8 {[%emt 0:00:33]} 31. Bc3 {[%emt 0:00:50]} Kf7 {[%emt 0:01:19]} 32. Kf2 {[%emt 0:02:44]} Rc8 {[%emt 0:00:48]} 33. Bxa5 {[%emt 0:02:29] Hoping for Bd2.} Ra8 {[%emt 0:00:10]} 34. Bd2 {[%emt 0:00:16] And now a5 would win.} Rxa4 {[%emt 0:00:08]} 35. Rb6 {[%emt 0:00:22]} Ra7 {[%emt 0:02:51]} 36. Ke3 {[%emt 0:01:18]} Bc8 {[%emt 0:00:40]} 37. Ke4 {[%emt 0:03:47] White is more active.} Ra2 {[%emt 0:00:46]} 38. e6+ {[%emt 0:00:56]} Ke8 {[%emt 0:00:42]} 39. Rd6 {[%emt 0:02:10] Threatens to win with Bg5.} Ke7 $2 {[%emt 0:00:27][%mdl 8192]} ({Black should try} 39... h6 $1 $14) 40. Ke5 {[%emt 0:00:10] Bg5+ would kill now.} h6 {[%emt 0:00:05] Prevents Bg5+.} 41. Rd4 $1 {[%emt 0:01:45]} Rb2 {[%emt 0:00:20]} 42. Bb4+ {[%emt 0:00:18]} Ke8 {[%emt 0:00:01] [#]} 43. e7 $2 {[%emt 0:01:47]} (43. Re4 $1 $18 {is the precise move to win.}) 43... Re2+ $16 {[%emt 0:00:02] [#]} 44. Kf4 {[%emt 0:00:22]} (44. Kd5 $1 $16 {[%cal Rd5c4]} Rxg2 45. Bc5) 44... Bd7 $14 {[%emt 0:00:01]} 45. Kf3 {[%emt 0:04:42]} Bxb5 {[%emt 0:00:50]} 46. Rf4 {[%emt 0:01:07] Rf5 is the strong threat.} Re6 $1 {[%emt 0:00:03]} 47. Rf8+ {[%emt 0:00:18]} Kd7 {[%emt 0:00:01]} 48. Rd8+ {[%emt 0:01:58] Weighted Error Value: White=0.20 (precise) /Black=0.20 (precise)} 1/2-1/2

[Event "13th Chennai Open 2022"]
[Site "Chennai"]
[Date "2022.06.25"]
[Round "9.2"]
[White "Prasannaa.s"]
[Black "Savchenko, Boris"]
[Result "0-1"]
[ECO "B01"]
[WhiteElo "2164"]
[BlackElo "2524"]
[Annotator "TA"]
[PlyCount "114"]
[EventDate "2022.06.19"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 11,114,27,37,9,19,18,11,9,11,18,21,7,19,10,14,9,21,14,19,0,0,0,0,0,0,0,0,0,0,0,-8,-13,0,-8,0,0,0,-5,-7,-7,-4,-7,0,0,0,0,0,2,10,10,2,0,12,12,12,12,12,12,30,13,31,17,52,55,56,56,69,52,47,51,51,-493,-477,-457,-264,-467,-468,-468,-468,-460,-462,-608,-597,-4103,-6330,-6083,-5501,-5270,-4804,-29967,-29967,-29975,-29976,-29976,-29977,-29977,-29978,-29977,-29978,-29979,-29980,-29981,-29982,-29981,-29982]} 1. e4 {[%emt 0:04:44]} d5 {[%emt 0:05:01]} 2. exd5 {[%emt 0:01:21]} Qxd5 {[%emt 0:00:06]} 3. Nc3 {[%emt 0:00:08]} Qa5 {[%emt 0:00:05]} 4. d4 {[%emt 0:00:06]} Nf6 {[%emt 1:27:18]} 5. Nf3 Bf5 {[%emt 0:00:00]} 6. Bc4 {[%emt 0:00:37]} e6 {[%emt 0:00:00]} 7. Bd2 {[%cal Oc3d5] [#] Threatens to win with Nd5! B01: Scandinavian Defence.} Bb4 $1 {[%emt 0:01:30][%mdl 4] is recently more successful than 7...c6.} 8. a3 {[%emt 0:04:36]} Bxc3 {[%emt 0:00:00]} 9. Bxc3 {[%emt 0:00:04] The position is equal.} Qb6 {[%emt 0:01:00]} 10. d5 {[%emt 0:03:19]} Nbd7 {[%emt 0:00:30]} 11. dxe6 {[%emt 0:02:10]} Bxe6 {[%emt 0:00:00]} 12. Bxe6 {[%emt 0:04:27]} Qxe6+ {[%emt 0:00:00]} 13. Qe2 {[%emt 0:00:30]} Qxe2+ {[%emt 0:00:00]} 14. Kxe2 {[%emt 0:00:00]} O-O-O {[%emt 0:02:00] [#]} 15. Rhd1 $146 {[%emt 0:00:12]} ({Predecessor:} 15. Rhe1 Nd5 16. Bd2 Nc5 17. Kf1 Rhe8 18. Rxe8 Rxe8 19. Re1 Rxe1+ 20. Kxe1 Kd7 21. Ke2 f6 22. c4 Nb6 23. Be3 Ne6 {½-½ (23) Thavandiran,S (2410)-Naroditsky,D (2616) Burlingame 2019}) 15... Ne4 {[%emt 0:00:00]} 16. Be1 {[%emt 0:00:10]} Rhe8 {[%emt 0:00:00] [#] Strongly threatening ...Nc3+.} 17. Kf1 {[%emt 0:00:21]} Nb6 {[%emt 0:00:00][%cal Bd7b6,Bb6d5,Bd5e7,Be7c6][%mdl 32]} 18. Rxd8+ {[%emt 0:04:27]} Rxd8 {[%emt 0:00:00]} 19. Ne5 {[%emt 0:00:08]} f6 {[%emt 0:00:00]} 20. Nd3 {[%emt 0:00:08]} Nd5 {[%emt 0:03:00]} 21. Rc1 {[%emt 1:13:32]} b6 {[%emt 0:00:00]} 22. Ke2 {[%emt 0:00:30]} Ne7 {[%emt 0:00:00]} 23. f3 {[%emt 0:00:00]} Nd6 {[%emt 0:01:30]} 24. g4 {[%emt 0:00:00]} Nc6 {[%emt 0:00:00]} 25. Bf2 {[%emt 0:00:00] Inhibits Nd4+.} Nc4 {[%emt 0:00:00]} 26. a4 {[%emt 0:02:00]} a5 {[%emt 0:00:00]} 27. b3 {[%emt 0:00:00]} Re8+ {[%emt 0:00:00]} 28. Kf1 {[%emt 0:00:00]} N4e5 {[%emt 0:02:30]} 29. Re1 {[%emt 0:00:00]} Rd8 {[%emt 0:00:00]} 30. Nxe5 {[%emt 0:00:00]} Nxe5 $11 {[%emt 0:00:00][%mdl 4096] Endgame KRB-KRN} 31. Re3 {[%emt 0:02:30]} Kb7 {[%emt 0:00:00]} 32. Ke2 {[%emt 0:00:00]} Rd7 {[%emt 0:00:00]} 33. h4 {[%emt 0:00:00]} Nc6 {[%emt 0:00:00]} 34. c3 {[%emt 0:00:00] Prevents Nd4+.} Rd8 {[%emt 0:00:00]} 35. Bg3 {[%emt 0:00:00]} Kc8 {[%emt 0:00:00]} 36. h5 {[%emt 0:00:00][%cal Oh5h6] Black should prevent h6!} h6 {[%emt 0:00:00]} 37. Re4 {[%emt 0:00:00]} Kd7 {[%emt 0:00:00]} 38. Ke3 {[%emt 0:00:00]} Rf8 {[%emt 0:00:00]} 39. Kf4 {[%emt 0:00:00]} Ne7 {[%emt 0:00:00]} 40. Re1 {[%emt 0:00:00]} f5 {[%emt 0:00:00]} 41. c4 $2 {[%emt 0:00:00][%mdl 8192] Against Nd5+. Loses the game.} (41. g5 $1 $14 {stays ahead.}) 41... g5+ $19 {[%emt 0:00:00]} 42. hxg6 {[%emt 0:00:00]} Nxg6+ {[%emt 0:07:00]} 43. Ke3 {[%emt 0:00:00]} f4+ {[%emt 0:00:00]} 44. Kf2 {[%emt 0:00:00]} fxg3+ {[%emt 0:00:00]} 45. Kxg3 {[%emt 0:00:00] KRN-KR} Rf6 {[%emt 0:00:00]} 46. Re4 {[%emt 0:00:00]} Re6 {[%emt 0:00:00] aiming for ...Rxe4.} 47. Rxe6 {[%emt 0:00:00]} Kxe6 {[%emt 0:00:00] KN-KP} 48. f4 {[%emt 0:00:00]} Nf8 {[%emt 0:00:00]} 49. Kh4 {[%emt 0:00:00]} Kf6 {[%emt 0:00:00] ( -> ...Nd7)} 50. Kh5 {[%emt 0:00:00]} Kg7 {[%emt 0:00:00] Black mates.} 51. g5 {[%emt 0:00:00]} hxg5 {[%emt 0:00:00]} 52. Kxg5 {[%emt 0:00:00]} Ne6+ {[%emt 0:00:00]} 53. Kf5 {[%emt 0:00:00]} Nd4+ {[%emt 0:00:00]} 54. Ke5 {[%emt 0:00:00]} Nxb3 {[%emt 0:00:00]} 55. Kd5 {[%emt 0:00:00]} c5 {[%emt 0:00:00]} 56. Kc6 {[%emt 0:00:00]} Kf6 {[%emt 0:00:00]} 57. Kxb6 {[%emt 0:00:00]} Kf5 {[%emt 0:00:00] Weighted Error Value: White=0.48/Black=0.03 (flawless)} 0-1

[Event "13th Chennai Open 2022"]
[Site "Chennai"]
[Date "2022.06.25"]
[Round "9.3"]
[White "Konguvel, Ponnuswamy"]
[Black "Fedorov, Alexei"]
[Result "0-1"]
[ECO "B32"]
[WhiteElo "2331"]
[BlackElo "2529"]
[Annotator "TA"]
[PlyCount "92"]
[EventDate "2022.06.19"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 14,92,16,28,29,23,29,16,11,6,19,-9,0,-17,-10,-15,-29,-37,-32,-41,-31,-66,-58,-63,-32,-39,-29,-37,-29,-29,-29,-29,-11,-25,0,-2,0,-44,-46,-36,-34,-27,-37,-51,-44,-62,-67,-119,-139,-135,-100,-100,-104,-100,-100,-114,-137,-123,-128,-110,-108,-183,-183,-200,-200,-399,-391,-416,-410,-1023,-1016,-971,-1014,-29982,-29981,-29981,-2361,-29976,-29977,-29980,-29981]} 1. e4 {[%emt 0:00:07]} c5 {[%emt 0:00:08]} 2. Nf3 {[%emt 0:00:12][%cal Bg1f3,Bf3d4,Bd4b5,Bb5a3,Ba3c4][%mdl 32]} Nc6 {[%emt 0:00:05]} 3. d4 {[%emt 0:00:12]} cxd4 {[%emt 0:00:06]} 4. Nxd4 {[%emt 0:00:03]} e5 {[%emt 0:00:27]} 5. Nb5 {[%emt 0:00:21]} d6 {[%emt 0:00:07]} 6. N1c3 {[%emt 0:00:28]} a6 {[%emt 0:00:20]} 7. Na3 {[%emt 0:00:06]} Be6 {[%emt 0:00:44]} 8. Nc4 {[%emt 0:00:38]} Rb8 {[%emt 0:00:46] B32: Sicilian: Löwenthal and Kalashnikov Variations.} 9. a4 {[%emt 0:00:59]} Nb4 {[%emt 0:11:03] 9...Nf6 is more advanced technology.} 10. Nd5 {[%emt 0:09:48]} Bxd5 {[%emt 0:00:57] The position is equal.} 11. exd5 {[%emt 0:00:06]} Nf6 {[%emt 0:00:30][%cal Bg8f6,Bf6e4,Be4d2][%mdl 32]} 12. Ne3 {[%emt 0:02:13]} Qa5 $1 {[%emt 0:02:06][%csl LRc2,LRd5]} 13. Bd2 {[%emt 0:12:46] Threatens to win with Ra3.} Qc5 $1 {[%emt 0:00:22]} 14. c4 {[%emt 0:05:05] [#] a5 is the strong threat.} Ne4 $146 {[%emt 0:01:40]} ({Predecessor:} 14... a5 15. Be2 Ne4 16. Bc1 g6 17. Bd3 Nf6 18. Nc2 Nxc2+ 19. Qxc2 b6 20. O-O Bg7 {½-½ (45) Brzeski,M (2358)-Jakubiec,A (2438) Szklarska Poreba 2021}) 15. a5 {[%emt 0:04:59]} Nxd2 {[%emt 0:04:45]} 16. Qxd2 {[%emt 0:00:23]} b6 $1 {[%emt 0:00:33]} 17. Qd1 {[%emt 0:18:58]} g6 {[%emt 0:03:32]} 18. axb6 {[%emt 0:03:33]} Bh6 {[%emt 0:04:38]} 19. Qa4+ {[%emt 0:00:58]} Ke7 {[%emt 0:01:26]} 20. Ra3 {[%emt 0:03:15]} Bxe3 {[%emt 0:16:14] Active counter play!} 21. fxe3 {[%emt 0:07:15]} Rxb6 {[%emt 0:18:45][%cal Ob4d5] Strongly threatening ...Nxd5!} 22. Be2 {[%emt 0:00:04]} Rc8 {[%emt 0:03:09]} 23. O-O {[%emt 0:00:34]} Rc7 {[%emt 0:00:07]} 24. Rf2 {[%emt 0:11:53]} a5 {[%emt 0:02:27]} 25. Bf1 {[%emt 0:00:34]} Na6 {[%emt 0:02:58][%cal Bb4a6,Ba6c5,Bc5b3][%mdl 32]} 26. Qxa5 {[%emt 0:07:38]} Qxa5 {[%emt 0:03:13]} 27. Rxa5 {[%emt 0:00:02]} Nc5 {[%emt 0:00:08]} 28. Rc2 {[%emt 0:01:32]} Nb3 {[%emt 0:01:17][%mdl 1024] Black has compensation.} 29. Ra3 {[%emt 0:00:26]} h5 {[%emt 0:00:51]} 30. h4 {[%emt 0:00:41] [#]} (30. h3 $15) 30... Rcb7 $1 $17 {[%emt 0:00:16]} 31. Kf2 {[%emt 0:03:26]} Nc5 {[%emt 0:00:11]} 32. Ra2 {[%emt 0:00:33]} Rb3 {[%emt 0:00:46]} (32... f5 {seems wilder.} 33. Kf3 Rb3 34. Be2 Kf6) 33. Be2 {[%emt 0:01:48]} f5 {[%emt 0:03:21]} 34. g3 {[%emt 0:00:04]} Ne4+ {[%emt 0:04:08]} 35. Kf3 {[%emt 0:00:07]} g5 {[%emt 0:00:27]} 36. hxg5 {[%emt 0:00:24]} Nxg5+ {[%emt 0:00:05]} 37. Kf2 {[%emt 0:02:59]} (37. Kg2 $17) 37... Ne4+ $19 {[%emt 0:00:16]} 38. Kf3 {[%emt 0:00:04]} Kf6 {[%emt 0:00:36]} 39. Bf1 $2 {[%emt 0:00:21]} (39. Bd1) 39... Rg7 {[%emt 0:02:37]} 40. Rg2 {[%emt 0:00:27]} Rg4 {[%emt 0:02:27]} 41. Be2 {[%emt 0:03:46] [#]} (41. c5 $142 Nxc5 42. Ba6) 41... f4 $1 {[%emt 0:03:27][%csl Gf4][%cal Rb3e3,Bf5f4,Bf4g3,Bg3g2][%mdl 32]} 42. Ra3 {[%emt 0:00:01] [#]} fxg3 $1 {[%emt 0:02:29][%cal Re4d2]} 43. Bd3 {[%emt 0:01:27]} (43. Bf1 Rf4+) 43... Ng5+ {[%emt 0:00:49]} 44. Ke2 {[%emt 0:00:01]} Rxa3 {[%emt 0:00:59]} (44... Rxb2+ $142 45. Bc2 Rxc2+ 46. Kd3 Rxg2 47. Kc3 Rf2 48. Rb3 g2 49. Rb1 g1=Q 50. Rxg1 Rxg1 51. c5 Rb1 52. cxd6 Ne4+ 53. Kc4 Rbb2 54. d7 Rfc2+ 55. Kd3 Nf2#) 45. bxa3 {[%emt 0:00:02]} h4 {[%emt 0:00:16]} 46. Rg1 {[%emt 0:00:46]} g2 {[%emt 0:00:14] Weighted Error Value: White=0.69/Black=0.19 (very precise)} 0-1

[Event "13th Chennai Open 2022"]
[Site "Chennai"]
[Date "2022.06.25"]
[Round "9.4"]
[White "Aronyak Ghosh"]
[Black "Baghdasaryan, Vahe"]
[Result "1-0"]
[ECO "A37"]
[WhiteElo "2494"]
[BlackElo "2267"]
[Annotator "TA"]
[PlyCount "65"]
[EventDate "2022.06.19"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 12,65,14,-23,47,52,34,51,54,43,52,50,55,51,76,77,102,104,102,103,110,91,123,102,124,120,337,344,357,191,399,379,418,415,365,193,591,594,622,584,571,544,753,754,809,845,860,857,835,802,746,391,367,371,837,808]} 1. c4 {[%emt 0:05:39]} c5 {[%emt 0:01:59]} 2. Nf3 {[%emt 0:03:08]} Nc6 {[%emt 0:00:50]} 3. Nc3 {[%emt 0:01:40]} e5 {[%emt 0:01:38]} 4. g3 {[%emt 0:02:09]} g6 {[%emt 0:02:37]} 5. Bg2 {[%emt 0:00:37]} Bg7 {[%emt 0:00:42]} 6. a3 {[%emt 0:00:30]} Nge7 {[%emt 0:03:55] 6...Nge7 is better than 6...a5.} 7. b4 {[%emt 0:07:19]} cxb4 {[%emt 0:15:45] A37: Symmetrical English vs ...g6: 4 Bg2 Bg7 5 Nf3.} (7... d6 $11) 8. axb4 $14 {[%emt 0:00:20]} Nxb4 {[%emt 0:00:10]} 9. Ba3 {[%emt 0:00:42]} Nec6 {[%emt 0:00:23][%cal Oe5e4] White is slightly better.} 10. Nd5 {[%emt 0:04:46]} Nxd5 {[%emt 0:02:45]} 11. cxd5 {[%emt 0:00:06]} Ne7 {[%emt 0:00:43] [#]} 12. e4 $146 {[%emt 0:00:49][%mdl 1024] White has compensation.} ({Predecessor:} 12. Bd6 O-O 13. Nxe5 Re8 14. g4 Nf5 15. gxf5 Bxe5 16. Bxe5 Rxe5 17. fxg6 hxg6 18. d4 {1-0 (53) Tan,Z (2478)-Abrahamyan,T (2316) Ningbo 2013}) 12... f5 {[%emt 0:13:12]} 13. d3 {[%emt 0:01:46]} d6 {[%emt 0:02:27]} 14. Qa4+ {[%emt 0:04:42]} Bd7 {[%emt 0:01:10]} 15. Qb4 {[%emt 0:01:35] White is more active.} Nxd5 {[%emt 0:04:40]} 16. Qxd6 {[%emt 0:17:33]} (16. exd5 $6 e4 17. dxe4 (17. Nd4 a5 $11) 17... Bxa1 $11) (16. Qxb7 {looks sharper.} Qa5+ 17. Nd2 Nb6 18. Ke2) 16... fxe4 {[%emt 0:20:11]} 17. Qxd5 {[%emt 0:03:08]} exf3 {[%emt 0:00:25]} 18. Bxf3 {[%emt 0:00:04] Threatens to win with 0-0.} Bc8 $2 {[%emt 0:06:26]} (18... Qb6 $16) 19. Bd6 $18 {[%emt 0:03:18]} Rf8 {[%emt 0:11:41][%cal Of8f3] And now ...Rxf3! would win.} 20. Be4 {[%emt 0:06:11]} (20. Bd1 $142 {White threatens Ba4+ and mate.} Rf6 21. Ba4+ Bd7 22. Qg8+ (22. Bxe5 Bxa4 23. Qxd8+ Rxd8 $16) (22. Qxe5+ Kf7 $14) 22... Bf8 23. Bxf8 Rxf8 24. Qe6+ Qe7 25. Bxd7+ Kd8 26. Qxe7+ Kxe7 27. Bh3) 20... Rf6 $2 {[%emt 0:01:47] [#]} (20... a5) 21. Qg8+ $1 {[%emt 0:00:38]} Kd7 {[%emt 0:07:34]} 22. Qxg7+ {[%emt 0:00:48]} Kxd6 {[%emt 0:00:00]} 23. O-O {[%emt 0:00:37]} ({Weaker is} 23. Qxh7 Qc7 24. Qxc7+ Kxc7 $14) ({But not} 23. Bxb7 Bxb7 24. Qxb7 Rb8 25. Qxa7 (25. Ra6+ Kc5 $16) 25... Qc7 26. Ra6+ Kd7 27. Qxc7+ Kxc7 28. Rxf6 Rb1+ 29. Ke2 Rxh1 30. Rf7+ Kd6 $18) (23. d4 $142 exd4 24. O-O (24. Bxb7 Bxb7 25. Qxb7 Qe7+ 26. Qxe7+ Kxe7 $15)) 23... Qf8 $2 {[%emt 0:00:00]} (23... Qe7 {is more resistant.} 24. Qh6 (24. Qg8 Rf7 $16) 24... Bf5) 24. Qxh7 {[%emt 0:00:19]} Qf7 {[%emt 0:00:00]} 25. Qh8 {[%emt 0:00:58] Qd8+ is the strong threat.} Qf8 {[%emt 0:00:00] [#] Inhibits Qd8+.} 26. Qh4 {[%emt 0:00:18]} Kc7 {[%emt 0:00:00]} 27. Rfc1+ {[%emt 0:01:00]} Kb8 {[%emt 0:00:00]} 28. Rab1 {[%emt 0:00:13][%cal Oe4b7] White wants to mate with Bxb7!} Rb6 {[%emt 0:00:00]} 29. Qh7 {[%emt 0:00:45][%csl Gc1][%cal Rh7c7]} Qd8 {[%emt 0:00:16] Inhibits Qc7+.} 30. Qg7 {[%emt 0:00:46] Rxb6 would kill now.} a6 {[%emt 0:00:03]} 31. Qxe5+ {[%emt 0:03:11]} Ka7 {[%emt 0:01:43]} 32. Qc5 {[%emt 0:00:12] Black must now prevent Rc4.} Qd6 $2 {[%emt 0:00:05]} (32... Bd7 33. h4 Bb5 34. Bxg6 Qd6) 33. Qxd6 {[%emt 0:00:27] Black did not feel at home in the position after the opening.  Weighted Error Value: White=0.40/Black=0.61} 1-0

[Event "13th Chennai Open 2022"]
[Site "Chennai"]
[Date "2022.06.25"]
[Round "9.5"]
[White "Gusain, Himal"]
[Black "Daakshin Arun"]
[Result "1-0"]
[ECO "B23"]
[WhiteElo "2396"]
[BlackElo "2016"]
[Annotator "TA"]
[PlyCount "81"]
[EventDate "2022.06.19"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 12,81,41,28,52,47,79,77,183,194,247,258,254,253,344,233,371,365,361,358,328,212,231,249,244,249,268,48,36,46,39,35,31,22,23,28,37,0,14,4,8,6,45,32,103,74,186,187,284,285,277,277,387,371,406,404,404,418,399,409,409,390,414,417,423,408,1131,1025,1134,1112,1364,388]} 1. e4 {[%emt 0:04:49]} c5 {[%emt 0:00:08]} 2. Nc3 {[%emt 0:00:05]} d6 {[%emt 0:00:12]} 3. f4 {[%emt 0:00:06]} g6 {[%emt 0:00:14]} 4. Nf3 {[%emt 0:00:20]} Bg7 {[%emt 0:00:05]} 5. Bc4 {[%emt 0:01:13]} e6 {[%emt 0:00:18]} 6. d4 {[%emt 0:00:21]} cxd4 {[%emt 0:00:53]} 7. Nxd4 {[%emt 0:00:32] Hoping for Ndb5.} a6 {[%emt 0:04:59] Inhibits Ndb5. B23: Closed Sicilian: Lines without g3.} 8. O-O {[%emt 0:03:44] Black must now prevent f5.} Qc7 {[%emt 0:12:22]} 9. Bb3 {[%emt 0:02:34] Strongly threatening f5. 0x0.00166dfeb0b1dp-1022s more active pieces.} Nf6 {[%emt 0:08:20]} (9... Nc6 $16 10. Be3 Nf6) 10. f5 $18 {[%emt 0:07:29][%cal Rf5e6] [#]} e5 $146 {[%emt 0:06:46]} (10... O-O $142 11. fxe6 fxe6 12. Bxe6+ (12. Nxe6 Bxe6 13. Bxe6+ Kh8 $16) 12... Kh8) ({Predecessor:} 10... exf5 11. exf5 O-O 12. fxg6 hxg6 13. Qd3 Nc6 14. Nxc6 Bf5 15. Rxf5 gxf5 16. Nd4 Ne4 17. Nxf5 Nxc3 18. Nxg7 Kxg7 {1-0 (29) Frank,S (1385)-Bieszk,S (985) LSS email 2016}) 11. Nf3 {[%emt 0:12:02][%cal Bd4f3,Bf3g5,Bg5e4,Be4d6][%mdl 32]} gxf5 {[%emt 0:06:05] [#]} 12. Ng5 $1 {[%emt 0:01:44][%csl LRf5,LRf7]} O-O {[%emt 0:05:59]} 13. exf5 {[%emt 0:01:01] And now Nce4 would win.} Qb6+ {[%emt 0:07:57]} (13... Nbd7 {keeps fighting.} 14. Nge4 Qc6) 14. Kh1 {[%emt 0:01:08]} Nbd7 {[%emt 0:02:38]} 15. Nge4 {[%emt 0:03:37]} Qd4 {[%emt 0:05:03]} 16. Nxd6 {[%emt 0:20:26]} Nc5 {[%emt 0:03:09]} 17. Bg5 {[%emt 0:00:07] aiming for Nd5.} Nxb3 {[%emt 0:02:18]} 18. axb3 {[%emt 0:01:18]} Rd8 {[%emt 0:01:15][%cal Bf8d8,Bd8d5,Bd5c5][%mdl 32]} 19. Qxd4 {[%emt 0:02:19]} ({Better is} 19. Nc4 $18 Qxd1 20. Raxd1 (20. Nxd1 h6 $16)) 19... exd4 $14 {[%emt 0:00:06]} 20. Nce4 {[%emt 0:00:05]} Nxe4 {[%emt 0:01:42]} 21. Nxe4 {[%emt 0:00:05]} Rd5 {[%emt 0:01:14]} 22. Ng3 {[%emt 0:09:32]} Bd7 {[%emt 0:01:10]} 23. Rad1 {[%emt 0:00:05]} Bc6 {[%emt 0:02:30]} 24. h4 {[%emt 0:00:50]} h6 {[%emt 0:01:30]} 25. Bf4 {[%emt 0:00:08]} Re8 {[%emt 0:02:54]} 26. Kh2 {[%emt 0:00:06]} Rc5 {[%emt 0:01:53]} 27. Rd2 {[%emt 0:01:55]} a5 {[%emt 0:01:26]} ({Black should play} 27... Bf6 $14) 28. Rff2 {[%emt 0:00:43][%cal Of5f6]} b5 {[%emt 0:01:21] [#]} (28... Rd5 $16) 29. f6 $1 $18 {[%emt 0:00:43]} Bh8 {[%emt 0:03:19]} (29... Bxf6 $2 30. Bd6 (30. Bxh6 Re6 $14) 30... Be7 31. Bxc5 (31. Rxd4 Bxd6 32. Rxd6 Re6 $16) 31... Bxc5 32. Nf5 $18) (29... Bf8 $142 30. Rxd4 Re6) 30. Bxh6 {[%emt 0:00:31]} Rd5 {[%emt 0:00:56]} 31. Bg5 {[%emt 0:00:51]} Bd7 {[%emt 0:01:02]} 32. c4 {[%emt 0:05:23]} bxc4 {[%emt 0:00:25]} 33. bxc4 {[%emt 0:00:05]} Rd6 {[%emt 0:00:21]} 34. Nf5 {[%emt 0:00:42]} Bxf5 {[%emt 0:00:32]} 35. Rxf5 {[%emt 0:00:04]} Ree6 {[%emt 0:01:14]} 36. Rxa5 {[%emt 0:02:17]} Bxf6 {[%emt 0:00:09]} 37. Bxf6 {[%emt 0:00:11]} Rxf6 {[%emt 0:00:03]} 38. Rd5 {[%emt 0:03:03]} Rxd5 {[%emt 0:00:21]} (38... Rb6 $142 39. R5xd4 Rfc6) 39. cxd5 {[%emt 0:00:06] White is clearly winning.} Rb6 {[%emt 0:00:36]} 40. Kg3 {[%emt 0:00:34]} Rb4 {[%emt 0:00:41]} 41. Kf4 $2 {[%emt 0:00:16] Weighted Error Value: White=0.27 (precise) /Black=0.36} (41. d6) 1-0

[Event "13th Chennai Open 2022"]
[Site "Chennai"]
[Date "2022.06.25"]
[Round "9.6"]
[White "Kunal, M.."]
[Black "Deepan Chakkravarthy J."]
[Result "1/2-1/2"]
[ECO "B30"]
[WhiteElo "2277"]
[BlackElo "2478"]
[Annotator "RC"]
[PlyCount "153"]
[EventDate "2022.06.19"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:00:30]} c5 {[%emt 0:07:26]} 2. Nf3 {[%emt 0:00:00]} Nc6 {[%emt 0:00:03]} 3. Bb5 {[%emt 0:00:33]} e6 {[%emt 0:00:07]} 4. O-O {[%emt 0:03:11]} Nge7 {[%emt 0:00:27]} 5. d4 {[%emt 0:02:58]} cxd4 {[%emt 0:00:16]} 6. Nxd4 {[%emt 0:00:06]} Nxd4 {[%emt 0:00:49]} 7. Qxd4 {[%emt 0:00:07]} a6 {[%emt 0:00:03]} 8. Be2 {[%emt 0:06:43]} Nc6 {[%emt 0:00:20]} 9. Qe3 {[%emt 0:03:17]} Qc7 {[%emt 0:02:21]} 10. c3 {[%emt 0:02:38]} Be7 {[%emt 0:05:10]} 11. Nd2 {[%emt 0:02:22]} Rb8 {[%emt 0:04:39]} 12. Kh1 {[%emt 0:01:27]} O-O {[%emt 0:01:32]} 13. f4 {[%emt 0:00:59]} b5 {[%emt 0:02:11]} 14. e5 {[%emt 0:02:00]} Bb7 {[%emt 0:15:30]} 15. Ne4 {[%emt 0:00:51]} Na5 {[%emt 0:00:44]} 16. Bd3 {[%emt 0:02:01]} f5 {[%emt 0:03:02]} 17. exf6 {[%emt 0:02:09]} gxf6 {[%emt 0:00:59]} 18. Qh3 {[%emt 0:06:00]} Rf7 {[%emt 0:01:28]} 19. Be3 {[%emt 0:00:45]} Nc4 {[%emt 0:14:14]} 20. Bd4 {[%emt 0:00:40]} Bxe4 {[%emt 0:14:40]} 21. Bxe4 {[%emt 0:00:28]} f5 {[%emt 0:00:11]} 22. Bf3 {[%emt 0:06:40]} Bf6 {[%emt 0:00:32]} 23. Bh5 {[%emt 0:01:47]} Rff8 {[%emt 0:00:01]} 24. Bxf6 {[%emt 0:13:37]} Rxf6 {[%emt 0:00:04]} 25. Qh4 {[%emt 0:00:09]} Rbf8 {[%emt 0:00:31]} 26. Rf2 {[%emt 0:00:05]} Nd6 {[%emt 0:00:57]} 27. Bf3 {[%emt 0:01:54]} Ne4 {[%emt 0:00:17]} 28. Bxe4 {[%emt 0:01:29]} fxe4 {[%emt 0:00:04]} 29. Qg3+ {[%emt 0:01:18]} Kh8 {[%emt 0:00:58]} 30. Raf1 {[%emt 0:01:41]} Qc5 {[%emt 0:00:13]} 31. Re2 {[%emt 0:00:49]} d5 {[%emt 0:00:08]} 32. b4 {[%emt 0:08:13]} Qc4 {[%emt 0:08:02]} 33. Ref2 {[%emt 0:00:03]} Rc8 {[%emt 0:01:39]} 34. Qh4 {[%emt 0:02:50]} Rff8 {[%emt 0:05:42]} 35. Qh3 {[%emt 0:01:56]} Qxc3 {[%emt 0:02:45]} 36. Qxe6 {[%emt 0:00:07]} e3 {[%emt 0:06:08]} 37. Re2 {[%emt 0:02:25]} Rxf4 {[%emt 0:02:35]} 38. Rd1 {[%emt 0:00:03]} Re4 {[%emt 0:02:08]} 39. Qxd5 {[%emt 0:00:58]} Rce8 {[%emt 0:00:29]} 40. h3 {[%emt 0:02:51]} Qxb4 {[%emt 0:00:27]} 41. Qh5 {[%emt 0:00:03]} Qe7 {[%emt 0:00:26]} 42. Rf1 {[%emt 0:00:14]} Re5 {[%emt 0:00:38]} 43. Qh6 {[%emt 0:00:13]} Re6 {[%emt 0:00:20]} 44. Qh5 {[%emt 0:00:05]} Qg7 {[%emt 0:00:40]} 45. Rf7 {[%emt 0:01:05]} Qg6 {[%emt 0:00:31]} 46. Qf3 {[%emt 0:00:06]} Kg8 {[%emt 0:00:23]} 47. Rf4 {[%emt 0:00:02]} Kh8 {[%emt 0:00:38]} 48. Rg4 {[%emt 0:02:39]} Qb1+ {[%emt 0:00:30]} 49. Kh2 {[%emt 0:00:03]} Qa1 {[%emt 0:00:06]} 50. Rg5 {[%emt 0:00:18]} Qd4 {[%emt 0:00:17]} 51. Rf5 {[%emt 0:01:44]} Qd6+ {[%emt 0:00:38]} 52. g3 {[%emt 0:00:07]} b4 {[%emt 0:00:58]} 53. Rf7 {[%emt 0:00:48]} Rg6 {[%emt 0:00:27]} 54. Rf4 {[%emt 0:01:37]} a5 {[%emt 0:00:17]} 55. h4 {[%emt 0:00:03]} Rge6 {[%emt 0:00:47]} 56. Rf7 {[%emt 0:00:45]} Rg6 {[%emt 0:00:24]} 57. Rf4 {[%emt 0:01:00]} Rge6 {[%emt 0:00:37]} 58. Rf7 {[%emt 0:01:36]} Rg8 {[%emt 0:00:25]} 59. Rf4 {[%emt 0:00:47]} a4 {[%emt 0:00:20]} 60. Kh3 {[%emt 0:00:24]} Qd7 {[%emt 0:00:44]} 61. g4 {[%emt 0:00:04]} Qe7 {[%emt 0:00:29]} 62. Rf7 {[%emt 0:00:09]} Qe8 {[%emt 0:00:31]} 63. Qf5 {[%emt 0:00:26]} Reg6 {[%emt 0:00:17]} 64. h5 {[%emt 0:01:01]} R6g7 {[%emt 0:00:21]} 65. Rxg7 {[%emt 0:00:09]} Rxg7 {[%emt 0:00:02]} 66. Qf4 {[%emt 0:00:38]} Re7 {[%emt 0:00:29]} 67. Qxb4 {[%emt 0:00:06]} Re4 {[%emt 0:00:28]} 68. Qc3+ {[%emt 0:02:18]} Kg8 {[%emt 0:00:04]} 69. Qf6 {[%emt 0:00:38]} Re6 {[%emt 0:01:34]} 70. Qg5+ {[%emt 0:00:15]} Kh8 {[%emt 0:00:23]} 71. Qf4 {[%emt 0:00:17]} h6 {[%emt 0:00:40]} 72. a3 {[%emt 0:01:37]} Kg8 {[%emt 0:00:21]} 73. Kg3 {[%emt 0:00:30]} Kg7 {[%emt 0:00:24]} 74. Qd4+ {[%emt 0:00:38]} Kg8 {[%emt 0:00:09]} 75. Qf4 {[%emt 0:01:25]} Kg7 {[%emt 0:00:07]} 76. Qc7+ {[%emt 0:01:28]} Kg8 {[%emt 0:00:17]} 77. Qf4 {[%emt 0:01:02]} 1/2-1/2

[Event "13th Chennai Open 2022"]
[Site "Chennai"]
[Date "2022.06.25"]
[Round "9.7"]
[White "Aaryan Varshney"]
[Black "Stupak, Kirill"]
[Result "1/2-1/2"]
[ECO "D51"]
[WhiteElo "2308"]
[BlackElo "2440"]
[Annotator "TA"]
[PlyCount "60"]
[EventDate "2022.06.19"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 12,60,38,21,39,44,40,19,52,0,44,23,36,25,23,22,45,37,53,0,0,0,-9,-21,0,15,25,0,0,0,55,-29,11,0,0,0,55,0,0,0,41,0,0,0,58,0,2,0,24,0,31]} 1. d4 Nf6 {[%emt 0:02:04]} 2. c4 {[%emt 0:00:35]} e6 {[%emt 0:00:11]} 3. Nf3 {[%emt 0:00:06]} d5 {[%emt 0:00:22]} 4. Nc3 {[%emt 0:00:07]} Nbd7 {[%emt 0:00:22]} 5. Bg5 {[%emt 0:00:19]} c6 {[%emt 0:03:36]} 6. e3 {[%emt 0:00:50]} h6 {[%emt 0:00:04]} 7. Bh4 {[%emt 0:00:13]} g5 {[%emt 0:00:05] D51: Queen's Gambit Declined: 4 Bg5 Nbd7 sidelines.} 8. Bg3 {[%emt 0:00:21]} Nh5 {[%emt 0:00:02]} 9. Be5 {[%emt 0:00:26]} Ng7 {[%emt 0:00:04]} 10. Bg3 {[%emt 0:00:11]} (10. h3 $14) 10... Nf5 {[%emt 0:00:28]} 11. Bd3 {[%emt 0:03:57] White wants to play Bxf5.} Nxg3 {[%emt 0:02:01]} 12. hxg3 {[%emt 0:00:14]} Bg7 {[%emt 0:02:15]} 13. Qc2 {[%emt 0:00:43]} dxc4 {[%emt 0:06:33]} 14. Bxc4 {[%emt 0:00:24] [#]} Qe7 $146 {[%emt 0:09:13]} ({Predecessor:} 14... b5 15. Bd3 Bb7 16. O-O Qe7 17. Rac1 a6 18. Ne4 Rc8 19. Nfd2 f5 20. Nc5 Nxc5 21. dxc5 O-O 22. g4 Rcd8 {1-0 (69) Jubin,J (2267)-Arjun,K (2390) Abu Dhabi 2018}) 15. a3 {[%emt 0:11:25]} (15. O-O-O $14) 15... b6 $11 {[%emt 0:10:05]} 16. Rd1 {[%emt 0:06:27][%cal Of3e5]} Bb7 {[%emt 0:03:41]} 17. O-O {[%emt 0:03:36]} g4 {[%emt 0:17:15]} 18. Nh4 {[%emt 0:02:47]} Bf6 {[%emt 0:02:03]} 19. Ne4 {[%emt 0:17:12]} Bg5 {[%emt 0:04:31]} 20. b4 {[%emt 0:09:23]} Nf6 {[%emt 0:03:44]} (20... Rg8 $1 $11) 21. Nc3 {[%emt 0:06:47]} (21. Nxf6+ $14 Qxf6 22. Qe4) 21... Nd5 {[%emt 0:05:50]} 22. e4 $36 {[%emt 0:03:44][%mdl 2048] Black is under pressure.} Nxc3 {[%emt 0:02:26]} 23. Qxc3 {[%emt 0:00:15]} Bf6 {[%emt 0:03:04]} ({Black should play} 23... O-O-O $11) 24. Qc1 {[%emt 0:13:46]} (24. f4 $14) 24... Bg5 {[%emt 0:06:54]} (24... Bxh4 25. gxh4 O-O-O 26. d5 cxd5 27. Bxd5+ Qc7 28. Qb2 $1 $14) 25. Qc3 {[%emt 0:00:18] aiming for d5.} Bf6 {[%emt 0:10:06]} 26. Qc1 {[%emt 0:00:13]} Bg5 $1 {[%emt 0:02:54]} (26... Bxh4 27. gxh4 O-O-O 28. d5 cxd5 29. Bxd5+ Qc7 30. Qa1 $1 $16) 27. Qc3 {[%emt 0:00:10]} ({Better is} 27. Qc2 $11) 27... Bf6 $14 {[%emt 0:00:36]} 28. Qc1 {[%emt 0:00:14]} ({White should try} 28. Qc2 $1 $14) 28... Bg5 $11 {[%emt 0:00:02]} ({Don't do} 28... Bxh4 29. gxh4 O-O-O 30. d5 cxd5 31. Bxd5+ Qc7 32. Qb2 $1 $14) 29. Qc3 {[%emt 0:00:05] Threatens to win with d5.} Bf6 {[%emt 0:00:03]} 30. Qc1 {[%emt 0:00:04] d5 is the strong threat.} (30. Qc2 $5 {[%cal Rd4d5]}) 30... Bg5 {[%emt 0:00:02] Weighted Error Value: White=0.26 (precise) /Black=0.15 (very precise)} ({Much less strong is} 30... Bxh4 31. gxh4 O-O-O 32. d5 cxd5 33. Bxd5+ Qc7 {[#]} 34. Qa1 $1 $16) 1/2-1/2

[Event "13th Chennai Open 2022"]
[Site "Chennai"]
[Date "2022.06.25"]
[Round "9.8"]
[White "Ajay Karthikeyan"]
[Black "Saravana, Krishnan P."]
[Result "1/2-1/2"]
[ECO "B11"]
[WhiteElo "2436"]
[BlackElo "2269"]
[Annotator "TA"]
[PlyCount "101"]
[EventDate "2022.06.19"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 10,101,16,10,16,15,31,17,29,25,22,20,29,29,22,25,20,11,24,0,0,0,0,0,0,-25,0,0,0,0,0,0,0,0,0,0,64,58,106,98,105,110,121,99,112,119,131,120,220,52,39,23,18,0,0,0,0,0,0,-92,-100,-94,-32,-62,-81,-72,-8,-381,-381,-270,-270,-452,-419,-712,-656,-646,-798,-750,-617,-859,-507,-1639,-1431,-5240,-5240,-5240,-5233,-5218,-5211,-5211,-4404,-1274,-1170,-750]} 1. e4 {[%emt 0:00:30]} c6 {[%emt 0:00:30]} 2. Nc3 {[%emt 0:00:30]} d5 {[%emt 0:00:30]} 3. Nf3 {[%emt 0:00:30]} Bg4 {[%emt 0:00:30]} 4. h3 {[%emt 0:00:30]} Bxf3 {[%emt 0:00:30]} 5. Qxf3 {[%emt 0:00:30]} e6 {[%emt 0:00:30]} 6. Be2 {[%emt 0:00:30]} d4 {[%emt 0:00:30] B11: Caro-Kann: Two Knights Variation.} 7. Nb1 {[%emt 0:00:30]} Ne7 $1 {[%emt 0:00:30][%mdl 4] outshines the older 7...Nd7.} 8. h4 {[%emt 0:00:30]} h5 {[%emt 0:00:30] The position is equal.} 9. d3 {[%emt 0:00:30]} Ng6 {[%emt 0:00:30]} 10. g3 {[%emt 0:00:30]} Nd7 {[%emt 0:00:30]} 11. Nd2 {[%emt 0:00:30] [#]} a5 $146 {[%emt 0:00:30]} ({Predecessor:} 11... Be7 12. Qg2 Qc7 13. f4 e5 14. f5 Ngf8 15. c3 dxc3 16. bxc3 O-O-O 17. Nb3 Nc5 {½-½ (41) Praggnanandhaa,R (2624)-Gukesh,D (2637) La Roda 2022}) 12. Qg2 {[%emt 0:00:30]} a4 {[%emt 0:00:30]} 13. a3 {[%emt 0:00:30]} Qa5 {[%emt 0:00:30]} 14. f4 {[%emt 0:00:30]} e5 {[%emt 0:00:30]} 15. f5 {[%emt 0:00:30]} Ne7 {[%emt 0:00:30][%cal Bg6e7,Be7g8,Bg8h6,Bh6g4][%mdl 32]} 16. O-O {[%emt 0:00:30]} Ng8 {[%emt 0:00:30]} 17. Nf3 {[%emt 0:00:30]} Qc5 {[%emt 0:00:30]} 18. Ng5 {[%emt 0:00:30]} Ndf6 {[%emt 0:00:30]} 19. Bf3 {[%emt 0:00:30]} Nh6 {[%emt 0:00:30]} 20. Qe2 {[%emt 0:00:30]} Nhg4 {[%emt 0:00:30]} 21. Rb1 {[%emt 0:00:30]} Be7 {[%emt 0:00:30]} 22. Kg2 {[%emt 0:00:30]} O-O {[%emt 0:00:30]} (22... Ra5 $11) 23. Nh3 $1 $14 {[%emt 0:00:30]} Rfb8 {[%emt 0:00:30]} (23... Ne3+ $14 24. Bxe3 dxe3) 24. Nf2 {[%emt 0:00:30]} Nxf2 {[%emt 0:00:30]} 25. Rxf2 {[%emt 0:00:30]} b5 {[%emt 0:00:30]} 26. Bxh5 {[%emt 0:00:30]} b4 {[%emt 0:00:30]} 27. axb4 {[%emt 0:00:30]} Rxb4 {[%emt 0:00:30]} 28. Ra1 {[%emt 0:00:30]} Qb5 {[%emt 0:00:30]} (28... Qd6 $16 {was worth a try.}) 29. Ra2 $2 {[%emt 0:00:30]} (29. g4 $1 $18 {[%cal Rg4g5]}) 29... c5 $1 {[%emt 0:00:30][%cal Bc6c5,Bc5c4,Bc4d3][%mdl 32]} 30. g4 {[%emt 0:00:30]} (30. b3 $5 {[%cal Rc1d2]}) 30... c4 $1 {[%emt 0:00:30]} (30... Nxh5 31. gxh5 Qc6 32. Qg4 $16) 31. g5 {[%emt 0:00:30]} cxd3 {[%emt 0:00:30]} 32. Qf3 {[%emt 0:00:30]} Nxh5 {[%emt 0:00:30]} 33. Qxh5 {[%emt 0:00:30] And now g6 would win.} Qc6 $36 {[%emt 0:00:30][%csl LRc2,LRe4][%mdl 2048] Black has the initiative.} 34. g6 {[%emt 0:00:30]} (34. f6 $1 $11 {was the only way to keep the balance.} Qxe4+ 35. Kg3) 34... Qxe4+ $17 {[%emt 0:00:30]} 35. Kg3 {[%emt 0:00:30] [#] Threatening mate with Qh7+.} fxg6 {[%emt 0:00:30]} (35... Qxh4+ $1 $17 36. Qxh4 Bxh4+ 37. Kxh4 dxc2) 36. fxg6 $15 {[%emt 0:00:30][%csl Gg6][%cal Rh5h7] [#]} Bxh4+ $1 {[%emt 0:00:30]} 37. Qxh4 {[%emt 0:00:30][%csl Gg6][%cal Rh4h7]} Qxg6+ {[%emt 0:00:30]} (37... Qxh4+ $17 38. Kxh4 dxc2) 38. Qg4 $2 {[%emt 0:00:30][%mdl 8192]} (38. Kh2 $1 $11 {and White has nothing to worry.}) 38... Qxg4+ $19 {[%emt 0:00:30]} 39. Kxg4 {[%emt 0:00:30]} dxc2 {[%emt 0:00:30] aiming for ...d3+.} 40. Ra3 {[%emt 0:00:30]} (40. Kf3 Rf8+ 41. Kg2) 40... d3+ {[%emt 0:00:30]} 41. Kf3 {[%emt 0:00:30]} (41. Kg3 $142 Rb3 42. Rd2) 41... Rf8+ {[%emt 0:00:30] Black is clearly winning.} 42. Ke3 {[%emt 0:00:30]} Rxf2 {[%emt 0:00:30]} 43. Kxf2 {[%emt 0:00:30] [#]} Rxb2 $3 {[%emt 0:00:30][%cal Od3d2][%mdl 4608] Endgame ( -> ...d2!). KRB-KR} 44. Ke3 {[%emt 0:00:30]} (44. Rxd3 Rb1) 44... Rb1 {[%emt 0:00:30]} 45. Kd2 {[%emt 0:00:30]} (45. Bd2 $142 c1=R 46. Bxc1 Rxc1 47. Kxd3) 45... e4 {[%emt 0:00:30] ...Kf7 is the strong threat.} 46. Rxa4 {[%emt 0:00:30]} e3+ $1 {[%emt 0:00:30]} 47. Kxe3 {[%emt 0:00:30]} Rxc1 {[%emt 0:00:30]} 48. Kxd3 {[%emt 0:00:30]} Kh7 {[%emt 0:00:30]} ({Worse is} 48... g5 49. Ra5 $11 (49. Kd2 Rf1 $17)) 49. Ra5 {[%emt 0:00:30]} g6 {[%emt 0:00:30]} 50. Kd2 {[%emt 0:00:30]} Rd1+ {[%emt 0:00:30]} 51. Kxc2 {[%emt 0:00:30][%mdl 32768] Black used his chance.  Weighted Error Value: White=0.58/Black=0.20 (precise) . An unexpected result.} 1/2-1/2

[Event "13th Chennai Open 2022"]
[Site "Chennai"]
[Date "2022.06.25"]
[Round "9.9"]
[White "Priyanka, Kumari"]
[Black "Srihari L R"]
[Result "0-1"]
[ECO "B40"]
[WhiteElo "1910"]
[BlackElo "2404"]
[Annotator "TA"]
[PlyCount "126"]
[EventDate "2022.06.19"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 9,126,10,2,-29,-23,-27,-22,-31,-25,-30,0,-14,-2,-3,0,-15,4,-12,-10,-10,27,24,0,-32,-25,-26,-14,-23,-28,-33,-28,-30,-34,-28,-37,-79,-86,-135,-125,-132,-114,-128,-89,-171,-182,-176,-174,-241,-125,-150,-156,-132,-147,-154,-131,-193,-187,-366,-195,-466,-466,-449,-453,-407,-245,-1144,-1160,-1196,-1098,-1062,-813,-1668,-1683,-12825,-6528,-3034,-1076,-29979,-29980,-29979,-29980,-29967,-1212,-1243,-1130,-1226,-1191,-29972,-29974,-29976,-29977,-29976,-29977,-29978,-29975,-29976,-29973,-29973,-29974,-29973,-29974,-29972,-29977,-29977,-29978,-29984,-29979,-29987,-29988,-29988,-29989,-29990,-29991,-29991,-29991,-29992,-29993,-29994,-29994]} 1. e4 {[%emt 0:00:21]} c5 {[%emt 0:00:16]} 2. Nf3 {[%emt 0:00:17]} e6 {[%emt 0:00:08]} 3. g3 {[%emt 0:04:21]} Nc6 {[%emt 0:02:11]} 4. Bg2 {[%emt 0:00:24]} Nf6 {[%emt 0:01:19]} 5. Nc3 {[%emt 0:05:28]} d5 {[%emt 0:00:55]} 6. d3 {[%emt 0:13:38] B40: Sicilian: 2...e6, Unusual lines.} d4 {[%emt 0:19:33]} 7. Ne2 {[%emt 0:00:29]} e5 {[%emt 0:00:21]} 8. Nd2 {[%emt 0:03:01] The position is equal.} Be6 {[%emt 0:04:54]} 9. f4 {[%emt 0:12:44] [#]} b5 $146 ({Predecessor:} 9... Ng4 10. Nf3 f6 11. h3 Nh6 12. fxe5 fxe5 {½-½ (12) Jovanovic,S (2325)-Jelic,G (2210) Belgrade 2007}) 10. h3 {[%emt 0:07:50]} c4 {[%emt 0:28:35]} 11. a3 {[%emt 0:04:18]} Qb6 {[%emt 0:04:51]} 12. Nf3 {[%emt 0:11:24]} Bd6 {[%emt 0:02:49]} 13. g4 {[%emt 0:04:57][%cal Bg3g4,Bg4g5][%mdl 32]} Rd8 {[%emt 0:08:46]} 14. g5 {[%emt 0:03:49]} cxd3 {[%emt 0:07:00]} 15. cxd3 {[%emt 0:00:41]} Nxe4 {[%emt 0:00:20][%cal Oe5f4]} 16. Nxe5 {[%emt 0:06:00]} (16. f5 $5 {[%cal Rf5e6]} Bc4 17. dxe4 $14) 16... Bxe5 {[%emt 0:00:50]} (16... Nxe5 $2 17. fxe5 Nc3 18. bxc3 $18) 17. Bxe4 {[%emt 0:00:22]} f5 {[%emt 0:00:07]} 18. gxf6 {[%emt 0:06:13]} Bxf6 {[%emt 0:00:13]} 19. Ng3 {[%emt 0:00:49]} Ne7 {[%emt 0:00:46][%cal Bc6e7,Be7d5,Bd5e3][%mdl 32]} 20. Bd2 {[%emt 0:06:34]} O-O {[%emt 0:02:55]} 21. O-O {[%emt 0:00:39]} ({Much weaker is} 21. Qh5 g6 22. Qf3 Rc8 $17) 21... Nd5 {[%emt 0:01:02] Strongly threatening ...Ne3.} 22. Qe2 {[%emt 0:03:53]} Ne3 $1 {[%emt 0:00:51]} 23. Bxe3 {[%emt 0:02:39]} ({White should play} 23. Rf3) 23... dxe3 $17 {[%emt 0:00:05]} 24. Kh2 {[%emt 0:00:33]} Kh8 {[%emt 0:00:53]} 25. Rac1 {[%emt 0:00:22]} Rc8 {[%emt 0:00:38] Inhibits Rc6.} 26. Rfe1 {[%emt 0:00:27]} (26. Rxc8 $17 Rxc8 27. Nf5) 26... Bd4 $1 $19 {[%emt 0:00:40]} 27. Qh5 {[%emt 0:01:11][%csl Ge4][%cal Rh5h7]} Bg8 {[%emt 0:00:06] aiming for ...Rxc1. Active counter play!} 28. b4 {[%emt 0:00:27]} (28. Rxc8 $142 Rxc8 29. b4) 28... a6 {[%emt 0:01:02]} ({Better is} 28... Rxc1 $19 29. Rxc1 Qb8) 29. Ne2 {[%emt 0:00:16] [#]} Bb2 {[%emt 0:00:20][%csl LRa3,LRc1][%cal Bd4b2,Bb2a3,Ba3b4,Bb4d6][%mdl 32]} 30. Rxc8 {[%emt 0:00:25]} Rxc8 {[%emt 0:00:04][%cal Bf8c8,Bc8c2,Bc2d2][%mdl 32]} 31. Qf5 {[%emt 0:00:44]} Rc2 {[%emt 0:01:29]} 32. d4 {[%emt 0:00:31]} (32. Kg3 $17) 32... Rd2 {[%emt 0:00:16]} 33. d5 {[%emt 0:00:37]} (33. Kg3 {was worth a try.}) 33... Qf6 {[%emt 0:00:53]} (33... Bxa3 $142 34. Bf3 Bxb4) 34. Qg4 $2 {[%emt 0:00:23]} (34. Qxf6 {is the only way for White.} gxf6 35. Bf3) 34... Bxa3 {[%emt 0:00:19]} 35. Kg3 {[%emt 0:00:37]} Bxb4 {[%emt 0:00:20][%cal Od2d4] This bishop pair is nice.} 36. Rc1 {[%emt 0:00:23]} Bd6 {[%emt 0:01:07][%cal Od2e2] White must now prevent ...Rxe2!} 37. Rc2 $2 {[%emt 0:00:38]} (37. Kf3) 37... Rxc2 {[%emt 0:02:41]} 38. Bxc2 {[%emt 0:00:01]} g5 {[%emt 0:00:18]} 39. Qc8 {[%emt 0:01:00]} Kg7 {[%emt 0:01:38][%cal Rd6f4] Threatens to win with ...Bxf4+.} 40. Qd7+ {[%emt 0:00:24]} Bf7 {[%emt 0:00:14]} 41. Bf5 {[%emt 0:00:23]} gxf4+ {[%emt 0:00:49]} 42. Kf3 {[%emt 0:00:13]} Kh6 {[%emt 0:00:46]} 43. Be6 {[%emt 0:00:56]} Bh5+ {[%emt 0:00:15]} 44. Bg4 {[%emt 0:00:16]} Bg6 {[%emt 0:00:08]} 45. Qe6 {[%emt 0:00:44] [#]} Qxe6 {[%emt 0:00:21]} (45... Qh4 $142 $1 46. Bf5 Qf2+ 47. Ke4 Qxe2 48. Qxd6 Qc2+ 49. Kxf4 Qh2+ 50. Kxe3 Qxd6 51. Bd3 Qg3+ 52. Kd4 Qxd3+ 53. Kc5 Be4 54. Kc6 Qxd5+ 55. Kb6 b4 56. Kc7 b3 57. Kc8 b2 58. h4 b1=Q 59. Kc7 Qbb7#) 46. dxe6 {[%emt 0:00:13][%mdl 4096] Endgame KBB-KBN} Kg5 {[%emt 0:00:33] Hoping for ...h5.} 47. h4+ {[%emt 0:00:46]} Kf6 {[%emt 0:01:21]} 48. Nxf4 {[%emt 0:00:28]} Bxf4 {[%emt 0:00:08] Black mates.} 49. Kxf4 {[%emt 0:00:03] KB-KB} h5 {[%emt 0:00:05]} 50. Be2 {[%emt 0:00:14]} Kxe6 {[%emt 0:00:04]} 51. Kxe3 {[%emt 0:00:02]} Ke5 {[%emt 0:00:11]} 52. Bf1 {[%emt 0:00:23]} Bf5 {[%emt 0:00:19]} 53. Be2 {[%emt 0:00:14]} Bg4 {[%emt 0:00:19]} 54. Bd3 {[%emt 0:00:05]} Kd5 {[%emt 0:00:16]} 55. Bf1 {[%emt 0:00:20]} Kc5 {[%emt 0:00:05]} 56. Kd2 {[%emt 0:00:22]} a5 {[%emt 0:00:05][%cal Ba6a5,Ba5a4,Ba4a3][%mdl 32]} 57. Kc3 {[%emt 0:00:15]} a4 {[%emt 0:00:22]} 58. Kb2 {[%emt 0:00:22]} b4 {[%emt 0:00:05][%cal Bb5b4,Bb4b3][%mdl 32]} 59. Ka2 {[%emt 0:00:10]} Be6+ {[%emt 0:00:07]} 60. Kb2 {[%emt 0:00:06]} a3+ {[%emt 0:00:09]} 61. Kb1 {[%emt 0:00:30]} Kd4 {[%emt 0:00:41]} 62. Kc2 {[%emt 0:00:16]} b3+ {[%emt 0:00:07]} 63. Kb1 {[%emt 0:00:07]} Kc3 {[%emt 0:00:06] Weighted Error Value: White=0.82/Black=0.33} 0-1

[Event "13th Chennai Open 2022"]
[Site "Chennai"]
[Date "2022.06.25"]
[Round "9.10"]
[White "Laxman, R.R."]
[Black "Jubin Jimmy"]
[Result "1/2-1/2"]
[ECO "D32"]
[WhiteElo "2420"]
[BlackElo "2259"]
[Annotator "TA"]
[PlyCount "78"]
[EventDate "2022.06.19"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 25,78,28,24,4,36,29,33,37,39,26,29,36,42,38,44,43,47,40,50,34,25,23,26,18,16,14,16,14,13,0,0,0,0,0,2,0,0,0,0,0,0,0,0,0,0,0,0,-6,-6,-6,0,0,0,4,4]} 1. Nf3 {[%emt 0:00:04]} Nf6 {[%emt 0:00:41]} 2. c4 {[%emt 0:00:13]} e6 {[%emt 0:00:04]} 3. Nc3 {[%emt 0:02:04]} d5 {[%emt 0:00:39]} 4. e3 {[%emt 0:00:27]} c5 {[%emt 0:00:34]} 5. d4 {[%emt 0:00:06]} Nc6 {[%emt 0:00:23]} 6. cxd5 {[%emt 0:00:12]} exd5 {[%emt 0:01:34]} 7. Be2 {[%emt 0:00:11]} Be7 {[%emt 0:00:05]} 8. O-O {[%emt 0:00:21]} O-O {[%emt 0:00:06]} 9. dxc5 {[%emt 0:00:29]} Bxc5 {[%emt 0:00:07]} 10. b3 {[%emt 0:00:13]} Be6 {[%emt 0:01:34]} 11. Bb2 {[%emt 0:00:22]} Qe7 {[%emt 0:01:04]} 12. Nb5 {[%emt 0:08:10]} Rac8 {[%emt 0:02:59]} 13. Rc1 {[%emt 0:02:09]} Ne4 {[%emt 1:27:10]} 14. Nfd4 {[%emt 0:01:28] D32: Tarrasch Defence: Sidelines and lines without g3.} Nxd4 {[%emt 0:00:00]} 15. Nxd4 {[%emt 0:03:59]} Ba3 {[%emt 0:00:00]} 16. Rxc8 {[%emt 0:00:58] White is slightly better.} Rxc8 {[%emt 0:00:00]} 17. Qa1 {[%emt 0:00:47]} Bxb2 {[%emt 0:00:00]} 18. Qxb2 {[%emt 0:00:31]} Qc5 {[%emt 0:00:00]} 19. Bd3 {[%emt 0:04:11] [#]} Nf6 $146 {[%emt 0:00:00][%cal Be4f6,Bf6d7,Bd7e5,Be5c6,Bc6b4][%mdl 32]} ({Predecessor:} 19... Qc3 20. Qe2 Nf6 21. Rd1 Bg4 22. f3 Bh5 23. Qd2 Bg6 24. Bf1 Qc5 25. Ne2 Qa3 {1-0 (93) Lopez Martinez,J (2578)-Petrov,M (2465) Karlsruhe 2019}) 20. Ne2 {[%emt 0:01:03]} Qd6 {[%emt 0:00:00]} 21. h3 {[%emt 0:02:13] Inhibits Ng4.} Nd7 {[%emt 0:00:00]} 22. Rc1 {[%emt 0:04:32]} Rxc1+ {[%emt 0:00:00]} 23. Qxc1 {[%emt 0:00:31]} Ne5 {[%emt 0:00:00]} 24. Bb1 {[%emt 0:00:58]} Nc6 {[%emt 0:00:00] The position is equal.} 25. Qc3 {[%emt 0:00:30]} g6 {[%emt 0:00:00]} 26. Bd3 {[%emt 0:05:52]} a6 {[%emt 0:00:00]} 27. a4 {[%emt 0:01:05]} Qb4 {[%emt 0:00:00]} 28. Qxb4 {[%emt 0:00:49]} Nxb4 $11 {[%emt 0:00:00][%mdl 4096] Endgame KBN-KBN} 29. Bb1 {[%emt 0:00:05]} Nc6 {[%emt 0:00:00]} 30. Bc2 {[%emt 0:00:06]} Kf8 {[%emt 0:00:00]} 31. Kf1 {[%emt 0:00:02]} Ke7 {[%emt 0:00:00]} 32. Ke1 {[%emt 0:00:04]} Kd6 {[%emt 0:00:00]} 33. Kd2 {[%emt 0:00:04]} Kc5 {[%emt 0:00:00]} 34. Kc3 {[%emt 0:00:02]} b5 {[%emt 0:00:00]} 35. axb5 {[%emt 0:00:12]} axb5 {[%emt 0:00:00]} 36. Nd4 b4+ {[%emt 0:00:00]} 37. Kd3 Nxd4 {[%emt 0:00:00]} 38. exd4+ Kd6 {[%emt 0:00:00]} 39. Ke3 h6 {[%emt 0:00:00] Weighted Error Value: White=0.03 (flawless) /Black=0.03 (flawless)} 1/2-1/2

[Event "13th Chennai Open 2022"]
[Site "Chennai"]
[Date "2022.06.25"]
[Round "9.11"]
[White "Nguyen, Van Huy"]
[Black "Hirthickkesh PR"]
[Result "1-0"]
[ECO "E11"]
[WhiteElo "2405"]
[BlackElo "2232"]
[Annotator "TA"]
[PlyCount "59"]
[EventDate "2022.06.19"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 10,59,38,32,60,64,58,63,68,54,89,87,91,68,96,68,108,115,120,101,106,63,53,48,86,85,85,75,68,66,72,61,65,64,251,164,156,65,57,44,45,41,5481,5404,5306,5222,3128,2485,29986,29987,29990,29991]} 1. d4 {[%emt 0:00:10]} Nf6 {[%emt 0:00:13]} 2. c4 {[%emt 0:00:19]} e6 {[%emt 0:00:24]} 3. Nf3 {[%emt 0:00:08]} Bb4+ {[%emt 0:00:07]} 4. Nbd2 {[%emt 0:00:19]} O-O {[%emt 0:02:02]} 5. g3 {[%emt 0:00:27]} d6 {[%emt 1:30:14]} 6. Bg2 {[%emt 1:32:07]} Nbd7 {[%emt 0:00:30] E11: Bogo-Indian.} 7. O-O {[%emt 0:00:30]} e5 {[%emt 0:00:00]} 8. Nb3 {[%emt 0:00:30] Hoping for a3.} exd4 {[%emt 0:01:00] White is slightly better.} 9. Nfxd4 {[%emt 0:00:30] [#]} Bc5 $146 {[%emt 0:00:30]} ({Predecessor:} 9... Re8 10. Qc2 Nc5 11. a3 Nxb3 12. Nxb3 Bc5 13. Nxc5 dxc5 14. b3 Qe7 15. Re1 Ne4 {½-½ (66) Dubov,D (2710)-Carlsen,M (2847) chess24.com INT 2021}) 10. Nxc5 {[%emt 0:00:30]} Nxc5 {[%emt 0:00:30]} 11. b4 {[%emt 0:00:30]} Ncd7 {[%emt 0:00:30]} 12. Bb2 {[%emt 0:00:30] White is more active.} Ne5 {[%emt 0:00:30]} 13. Qc2 {[%emt 0:00:30]} Bd7 {[%emt 0:00:30]} 14. Rad1 {[%emt 0:00:30]} ({Not} 14. Bxb7 Rb8 15. Bd5 c6 $11) 14... Qc8 {[%emt 0:00:30]} 15. Nf3 {[%emt 0:00:30]} Re8 {[%emt 0:00:30]} 16. c5 {[%emt 0:00:30]} Bh3 {[%emt 0:00:30]} 17. Bxh3 {[%emt 0:00:30]} Qxh3 {[%emt 0:00:30]} 18. cxd6 {[%emt 0:00:30]} cxd6 {[%emt 0:00:30]} 19. Rxd6 {[%emt 0:00:30]} Rac8 {[%emt 0:00:30]} 20. Qb3 {[%emt 0:00:30]} Nc4 {[%emt 0:00:30]} 21. Rd4 {[%emt 0:00:30]} Rxe2 $2 {[%emt 0:00:30]} 22. Rxc4 {[%emt 0:00:30]} Rxc4 {[%emt 0:00:30]} 23. Qxc4 {[%emt 0:00:30]} (23. Bxf6 $16 Rc8 24. Qd3) 23... Rxb2 $14 {[%emt 0:00:30]} 24. Rd1 {[%emt 0:00:30] Intending Rd8+ and mate.} (24. Qd4 $5 {[%cal Rd4d8]} Re2 25. Qxa7 $14) 24... h6 {[%emt 0:00:30]} 25. Ne5 $40 {[%emt 0:00:30][%mdl 128] Against Qg4. Black needs to defend precisely.} Qh5 {[%emt 0:00:30][%mdl 8192]} (25... Qf5 $14 26. Qxf7+ Kh7) 26. Rd8+ $18 {[%emt 0:00:30]} Kh7 {[%emt 0:00:30]} 27. Qd3+ {[%emt 0:00:30]} g6 {[%emt 0:00:30] [#]} 28. Qc4 $1 {[%emt 0:00:30][%cal Rc4f7]} g5 {[%emt 0:00:30]} (28... Nd5 29. Qxd5) 29. g4 {[%emt 0:00:30]} b5 {[%emt 0:00:30]} 30. Qd3+ {[%emt 0:00:30] Weighted Error Value: White=0.12 (very precise) /Black=0.57} ({Stronger than} 30. gxh5 bxc4 31. Rf8 Nxh5 32. Nxc4 Rb1+ 33. Kg2 Kg7 $15) 1-0

[Event "13th Chennai Open 2022"]
[Site "Chennai"]
[Date "2022.06.25"]
[Round "9.12"]
[White "Rajesh, V A V"]
[Black "Pranav, K P"]
[Result "1-0"]
[ECO "D05"]
[WhiteElo "2358"]
[Annotator "TA"]
[PlyCount "83"]
[EventDate "2022.06.19"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 14,83,13,5,19,0,0,0,0,-31,-19,-33,-36,-38,-41,-39,-39,-48,-35,-47,-8,-25,0,-22,-14,-19,-12,-61,-64,-57,-64,-69,-56,-72,-71,-49,-76,-187,-179,-190,-14,-25,0,0,18,0,0,-6,0,0,0,0,70,60,77,0,80,0,68,60,57,51,433,424,417,409,29980,29981,29979,29980,6287,5306]} 1. b3 {[%emt 0:00:21]} d5 {[%emt 0:00:46]} 2. Nf3 {[%emt 0:00:49]} c5 {[%emt 0:00:30]} 3. Bb2 {[%emt 0:00:24]} e6 {[%emt 0:00:28]} 4. e3 {[%emt 0:00:13]} Nf6 {[%emt 0:00:26]} 5. Be2 {[%emt 0:00:43]} Bd6 {[%emt 0:00:24]} 6. O-O {[%emt 0:00:28]} Nc6 {[%emt 0:00:39]} 7. d4 {[%emt 0:00:13]} O-O {[%emt 0:00:15]} 8. c4 {[%emt 0:01:12]} cxd4 {[%emt 0:00:59] D05: Colle System with ...e6.} 9. exd4 {[%emt 0:00:36]} b6 {[%emt 0:02:37]} 10. Nc3 {[%emt 0:00:52]} dxc4 {[%emt 0:00:31] The position is equal.} 11. Bxc4 {[%emt 0:00:54]} Ne7 {[%emt 0:03:00]} 12. Re1 {[%emt 0:07:04]} Bb7 {[%emt 0:02:45] [#]} 13. Ne5 $146 {[%emt 0:01:08]} ({Predecessor:} 13. Qd3 Ned5 14. a3 Rc8 15. Rac1 Nxc3 16. Rxc3 Nd5 17. Rc2 Nf4 18. Qe3 b5 19. Bd3 Rxc2 20. Bxc2 {1-0 (57) Taminsyah,A-Timofeev,M (1748) Chalkidiki 2005}) 13... Ned5 {[%emt 0:01:01]} 14. Nxd5 {[%emt 0:01:53]} Nxd5 {[%emt 0:06:52]} 15. Qg4 {[%emt 0:00:52]} Bb4 {[%emt 0:01:14]} 16. Red1 {[%emt 0:01:53]} Nf6 {[%emt 0:02:53]} 17. Qh3 {[%emt 0:00:43]} Be4 {[%emt 0:04:59]} 18. f3 {[%emt 0:20:32]} Bf5 {[%emt 0:04:29]} 19. g4 {[%emt 0:00:42]} Bg6 {[%emt 0:01:44]} 20. Nxg6 {[%emt 0:21:08]} (20. Nc6 $11 {is superior.} Qd6 21. Nxb4 Qxb4 22. Qg2) 20... hxg6 $15 {[%emt 0:00:12]} 21. f4 {[%emt 0:00:35]} Nd5 {[%emt 0:03:07]} 22. Qf3 {[%emt 0:05:03]} Qf6 {[%emt 0:02:21]} 23. Rf1 {[%emt 0:02:49]} Bd6 {[%emt 0:03:31][%cal Rd5f4]} 24. Bxd5 {[%emt 0:13:55]} exd5 {[%emt 0:00:13]} 25. f5 {[%emt 0:01:29] [#]} (25. Qxd5 $17 {was necessary.} Bxf4 26. Rae1) 25... Qh4 $1 $19 {[%emt 0:03:03][%csl Gd6][%cal Rh4h2]} 26. Rf2 {[%emt 0:00:22] [#]} gxf5 $2 {[%emt 0:01:59]} (26... Rae8 $1 $19 {Threatens to win with ...Re4.} 27. Qxd5 Bxh2+ 28. Rxh2 Re1+ 29. Rxe1 Qxe1+ 30. Kg2 Re8 31. fxg6 Qd2+ 32. Kg3 Re3+ 33. Kf4 Re2+ 34. Kf5 Qd3+ 35. Kf4 Qe3+ 36. Kf5 Qd3+ 37. Kf4 Qe3+ 38. Kf5 Qe6+ 39. Kf4 Qe3+) 27. Qxd5 $11 {[%emt 0:04:02]} ({Much weaker is} 27. Qxf5 Rae8 28. Raf1 Re6 29. Qxd5 Qxg4+ 30. Qg2 Qh4 $17) 27... Rad8 {[%emt 0:15:07]} 28. Qxf5 {[%emt 0:00:22]} g6 {[%emt 0:00:23]} 29. Qf3 {[%emt 0:06:04]} f5 {[%emt 0:04:13]} 30. Qd5+ {[%emt 0:01:31]} Kh7 {[%emt 0:00:26]} 31. Qb7+ {[%emt 0:00:45]} Kg8 {[%emt 0:00:26]} 32. Raf1 {[%emt 0:02:18]} ({Avoid the trap} 32. d5 $2 Rf7 33. Qc6 Rc7 $19) 32... f4 {[%emt 0:13:26]} (32... Qxg4+ $11 33. Rg2 Qh5) 33. Qd5+ $14 {[%emt 0:00:49]} Kh7 {[%emt 0:00:32]} 34. Qb7+ {[%emt 0:00:58]} Kg8 $1 {[%emt 0:00:29]} 35. Qd5+ {[%emt 0:00:08]} Kh7 {[%emt 0:00:02]} 36. Qf3 {[%emt 0:00:10]} Rde8 {[%emt 0:00:44]} 37. Bc1 {[%emt 0:00:26] Prevents Re3.} Re3 $2 {[%emt 0:01:57][%mdl 8192]} 38. Bxe3 $18 {[%emt 0:00:39]} fxe3 {[%emt 0:00:06]} 39. Qxe3 {[%emt 0:00:18] Threatening mate with Rf7+.} Bxh2+ {[%emt 0:01:29]} (39... Rxf2 $18 40. Rxf2 Qxg4+ 41. Rg2 Qf5) 40. Rxh2 {[%emt 0:00:29]} Rxf1+ {[%emt 0:00:13]} 41. Kg2 {[%emt 0:00:11]} Qxh2+ {[%emt 0:01:45]} 42. Kxh2 {[%emt 0:00:04] White used his chance.  Weighted Error Value: White=0.14 (very precise) /Black=0.56} 1-0

[Event "13th Chennai Open 2022"]
[Site "Chennai"]
[Date "2022.06.25"]
[Round "9.13"]
[White "Rohit S"]
[Black "Tran, Tuan Minh"]
[Result "1/2-1/2"]
[ECO "B33"]
[WhiteElo "2141"]
[BlackElo "2533"]
[Annotator "TA"]
[PlyCount "105"]
[EventDate "2022.06.19"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 16,105,43,52,40,41,40,25,24,12,31,56,92,94,93,88,97,83,83,85,66,76,64,62,103,20,78,74,75,68,69,71,132,146,147,0,0,0,0,0,0,-6,-10,-30,0,0,0,-27,-25,-58,-51,-34,-31,-43,-37,-54,-29,-29,-25,-129,-4,-1,-15,-14,0,0,0,0,0,0,0,0,12,12,12,12,12,12,12,12,12,0,0,0,0,0,0,0,0,-8,-8,-8]} 1. e4 {[%emt 0:00:02]} c5 {[%emt 0:01:33]} 2. Nf3 {[%emt 0:00:07]} Nc6 {[%emt 0:00:15]} 3. d4 {[%emt 0:00:05]} cxd4 {[%emt 0:00:03]} 4. Nxd4 {[%emt 0:00:06]} Qb6 {[%emt 0:00:29]} 5. Nb3 {[%emt 0:00:28]} Nf6 {[%emt 0:00:32]} 6. Nc3 {[%emt 0:00:14]} e6 {[%emt 0:00:14]} 7. a3 {[%emt 0:00:46]} Be7 {[%emt 0:00:39]} 8. Be3 $1 {[%emt 0:01:36] 8.Be3 scores better than 8.Bf4.} Qc7 {[%emt 0:00:08]} 9. f4 {[%emt 0:00:18]} O-O {[%emt 0:00:33][%cal Od7d5] B33: Sicilian: Pelikan and Sveshnikov Variations.} 10. Bd3 {[%emt 0:06:51]} d6 {[%emt 0:02:19]} 11. Qe2 {[%emt 0:06:51]} a6 {[%emt 0:00:05] White has an edge.} 12. g4 {[%emt 0:01:57][%cal Bg2g4,Bg4g5][%mdl 32]} b5 {[%emt 0:00:33] [#]} 13. g5 $146 {[%emt 0:00:20]} ({Predecessor:} 13. Na2 e5 14. g5 exf4 15. Bxf4 Ng4 16. Qg2 f6 17. g6 hxg6 18. O-O-O g5 19. Bd2 {0-1 (25) Henkel,A (1660)-Sperlin,M (2170) IECG email 2006}) 13... Ne8 {[%emt 0:01:27]} 14. f5 {[%emt 0:00:46]} b4 {[%emt 0:00:56]} 15. axb4 {[%emt 0:01:39]} Nxb4 {[%emt 0:00:05]} 16. Rg1 {[%emt 0:01:02]} Nxd3+ {[%emt 0:04:45]} 17. Qxd3 {[%emt 0:00:19]} d5 {[%emt 0:02:10]} 18. f6 {[%emt 0:02:09]} Bb4 {[%emt 0:00:40]} 19. exd5 {[%emt 0:03:22]} a5 {[%emt 0:02:46]} 20. Bd2 {[%emt 0:22:09] 0x0.00222977c817dp-1022s more active pieces.} (20. fxg7 $1 $16 Nxg7 21. d6 Qxd6 22. Qxd6 Bxd6 23. Ne4 Bxh2 24. Nf6+ (24. Rh1 Be5 $11) 24... Kh8 25. Rh1 Bg3+ 26. Bf2 Bxf2+ 27. Kxf2) 20... Ba6 {[%emt 0:27:47]} (20... Bxc3 21. Bxc3 g6 22. O-O-O $16) (20... a4 $11) 21. Qe3 {[%emt 0:12:15]} Nd6 {[%emt 0:03:34][%cal Oa5a4]} 22. dxe6 {[%emt 0:01:43]} Nc4 {[%emt 0:05:01][%csl LRb2,LRe3,LRh2]} 23. Qg3 {[%emt 0:02:58]} Bd6 {[%emt 0:07:56]} (23... Qxg3+ $142 24. Rxg3 fxe6) 24. Qh3 $1 $16 {[%emt 0:01:29]} Nxb2 {[%emt 0:16:52] [#]} 25. fxg7 $2 {[%emt 0:15:28]} (25. Rxa5 $6 Rfe8 26. g6 (26. e7 Bb4 $16) 26... hxg6 27. Rxg6 (27. fxg7 $2 Rxe6+ 28. Kf2 Kxg7 $19) 27... Rxe6+ 28. Qxe6 fxe6 $14) ({White should try} 25. Rg4 $1 $16 {[%cal Rg4h4]}) 25... Rfe8 $11 {[%emt 0:03:03]} 26. Nd5 {[%emt 0:00:31] Threatening mate with Nf6+.} Qxc2 {[%emt 0:01:50]} 27. Nf6+ {[%emt 0:00:51]} Kxg7 {[%emt 0:00:03][%cal Bg8g7,Bg7f8,Bf8e8,Be8e7,Be7d7,Bd7e6][%mdl 32]} 28. Nxe8+ {[%emt 0:00:16]} Kf8 $1 {[%emt 0:00:03]} 29. Qh6+ $1 {[%emt 0:03:35]} (29. Nxd6 $2 Nd3+ 30. Kf1 (30. Qxd3 $2 Qxd3 31. Kf2 Qxd6 $19) 30... Nf4+ 31. Ke1 Nxh3 $19) 29... Kxe8 {[%emt 0:00:12]} 30. exf7+ {[%emt 0:00:11]} Ke7 {[%emt 0:04:36]} 31. Qf6+ {[%emt 0:07:38]} (31. Rg3 $5 Bxg3+ 32. hxg3 Qxb3 33. Qf6+ Kd7 34. Qd4+ Ke7 35. Qf6+ Kd7 36. Qd4+ Ke7 37. Qf6+ $11) 31... Kd7 {[%emt 0:00:02]} 32. Qe6+ {[%emt 0:05:26]} Kxe6 {[%emt 0:02:13]} 33. Nd4+ {[%emt 0:00:01]} Kxf7 {[%emt 0:00:07] ( -> ...Qe4+)} 34. Nxc2 {[%emt 0:00:00]} Re8+ {[%emt 0:02:13]} 35. Be3 {[%emt 0:00:05]} Bxh2 {[%emt 0:06:03]} 36. Rg4 {[%emt 0:01:15]} Be5 {[%emt 0:00:05][%mdl 1024] Black has compensation.} 37. Ra2 {[%emt 0:01:25] [#]} ({Wrong is} 37. g6+ $2 hxg6 38. Kd2 Nc4+ 39. Rxc4 Bxc4 40. Rxa5 Rd8+ 41. Kc1 Ke6 $19) (37. Kd2 $1 $11 {keeps the balance.}) 37... Bc3+ {[%emt 0:01:17]} (37... Bc8 $1 $17 {[%cal Rc8g4]} 38. Rg1 Be6) 38. Kf2 {[%emt 0:00:05] The position is equal.} Nd1+ {[%emt 0:00:02]} 39. Kf3 {[%emt 0:00:25]} Bd3 {[%emt 0:01:15] ...Bxc2 is the strong threat.} 40. Rf4+ {[%emt 0:00:39]} Kg6 {[%emt 0:01:36]} 41. Bd4 {[%emt 0:00:14]} Bd2 {[%emt 0:00:01]} 42. Ne3 {[%emt 0:02:42] Chess con chili.} Bxe3 {[%emt 0:00:26] A strong pair of Bishops.} 43. Rf6+ {[%emt 0:00:01]} Kg7 {[%emt 0:04:30]} (43... Kh5 $5 44. Rh2+ Kxg5 45. Rg2+ Kh5 46. Rh2+ Kg5 47. Rg2+ Kh5 48. Rh2+ Kg5 $11) 44. Re6+ $1 {[%emt 0:00:06]} Bxd4 {[%emt 0:00:03]} 45. Rxe8 {[%emt 0:00:05] Strongly threatening Rd8.} Bc3 {[%emt 0:00:06]} 46. Rh2 {[%emt 0:00:32]} Nb2 {[%emt 0:01:31]} 47. Re3 {[%emt 0:00:20] Black must now prevent Kg4.} a4 {[%emt 0:00:18] [#]} 48. Rxb2 $1 {[%emt 0:00:05][%mdl 64] Remove Defender} Bxb2 {[%emt 0:00:05]} 49. Rxd3 {[%emt 0:00:05]} a3 {[%emt 0:00:07] aiming for ...a2.} 50. Rd7+ {[%emt 0:00:06]} Kg6 {[%emt 0:00:01] Hoping for ...a2.} 51. Ra7 {[%emt 0:00:02] Threatens to win with Kg4.} Kxg5 {[%emt 0:00:05]} 52. Rxa3 {[%emt 0:00:06]} Bxa3 {[%emt 0:00:06]} 53. Kg2 {[%emt 0:00:01] Weighted Error Value: White=0.16 (very precise) /Black=0.14 (very precise)} 1/2-1/2

[Event "13th Chennai Open 2022"]
[Site "Chennai"]
[Date "2022.06.25"]
[Round "9.14"]
[White "Dinesh Kumar Jaganathan"]
[Black "Srijit Paul"]
[Result "1/2-1/2"]
[ECO "C40"]
[WhiteElo "1974"]
[BlackElo "2399"]
[Annotator "TA"]
[PlyCount "86"]
[EventDate "2022.06.19"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 9,86,-67,-52,-72,-66,-66,-61,-54,-57,-61,-61,-70,-37,-72,-66,-63,-76,-77,0,-1,0,0,-8,0,0,-86,-78,-113,-112,-207,-186,-189,-92,-91,-90,-141,-144,-136,-48,-172,-172,-141,-77,-68,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. Nf3 {[%emt 0:00:04]} f5 {[%emt 0:06:45]} 2. d3 {[%emt 0:00:09]} Nc6 {[%emt 0:01:07]} 3. e4 {[%emt 0:00:23]} e5 {[%emt 0:00:06][%cal Be7e5,Be5e4][%mdl 32]} 4. exf5 {[%emt 0:00:18]} d5 {[%emt 0:00:09]} 5. d4 {[%emt 0:03:10]} e4 $1 {[%emt 0:02:54]} 6. Ne5 {[%emt 0:00:09] C40: Latvian and Elephant Gambits.} Nxe5 {[%emt 0:00:06]} 7. dxe5 {[%emt 0:00:58] [#] Qh5+ is the strong threat.} Bxf5 {[%emt 0:00:10] [#]} 8. Be3 $146 {[%emt 0:04:07] Against Bc5. Black is slightly better.} ({Predecessor:} 8. Be2 Qd7 9. O-O O-O-O 10. c3 Ne7 11. Be3 Kb8 12. b4 Ng6 13. b5 Qe8 14. Nd2 Nxe5 {0-1 (45) Adel Lahchaichi,O (2316)-Narciso Dublan,M (2468) Torredembarra 2018}) 8... Bb4+ {[%emt 0:08:40]} 9. c3 {[%emt 0:02:04]} Ba5 $1 {[%emt 0:00:05]} 10. Be2 {[%emt 0:08:16]} Ne7 {[%emt 0:01:24]} 11. Bh5+ {[%emt 0:05:47]} Bg6 {[%emt 0:11:39]} 12. Bg5 {[%emt 0:05:44]} Qd7 {[%emt 0:11:22]} 13. Bxe7 {[%emt 0:31:14]} Bxh5 {[%emt 0:01:26]} ({Black should play} 13... Kxe7 $17 14. O-O c6) 14. Qxh5+ $11 {[%emt 0:00:28]} g6 {[%emt 0:00:04]} 15. Qe2 {[%emt 0:04:27]} Kxe7 {[%emt 0:00:05]} 16. O-O {[%emt 0:02:24]} Qf5 {[%emt 0:04:26]} 17. f4 {[%emt 0:02:04]} (17. Qb5 $11 {remains equal.} Bb6 18. c4 (18. Qxd5 e3 $17)) 17... Raf8 $17 {[%emt 0:14:21]} 18. Nd2 {[%emt 0:12:41]} g5 {[%emt 0:00:45]} 19. g3 {[%emt 0:01:35]} (19. Kh1 $17 {keeps fighting.} c6 20. g4) 19... gxf4 {[%emt 0:00:49]} 20. Rxf4 {[%emt 0:02:22]} Qxe5 {[%emt 0:00:13]} (20... Bb6+ $19 21. Kh1 Qg6) 21. Nc4 {[%emt 0:02:12]} Bb6+ {[%emt 0:00:34]} (21... dxc4 $2 22. Rxe4 Qxe4 23. Qxe4+ Kd8 24. Qxb7 Bb6+ 25. Kh1 $18) 22. Nxb6 {[%emt 0:00:03]} (22. Kh1 $142 Qe6 23. Nxb6 axb6 24. Rh4) 22... axb6 {[%emt 0:00:01]} ({And not} 22... cxb6 23. Rh4 $11) ({Weaker is} 22... Rxf4 23. gxf4 Qg7+ 24. Kh1 axb6 25. c4 $17) 23. Raf1 {[%emt 0:00:16][%cal Ba1f1,Bf1f4,Bf4f2][%mdl 32]} h5 {[%emt 0:03:02] Against Qg4} (23... Rxf4 $17 24. Rxf4 Rf8) 24. Qe3 {[%emt 0:01:53]} (24. R4f2 $15) 24... Rxf4 $19 {[%emt 0:05:25]} 25. Rxf4 {[%emt 0:00:06][%cal Oc3c4][%mdl 4096] Endgame KQR-KQR} Rg8 {[%emt 0:03:03]} (25... Rf8 $142 {And now ...Rxf4 would win.} 26. Rxf8 Kxf8 27. Qh6+ Ke7 28. Qh7+ Kd6 29. Qh6+ Kd7 30. Qh7+ Kd6 31. Qh6+ Kd7) 26. c4 $17 {[%emt 0:03:10]} c6 {[%emt 0:03:48]} ({Better is} 26... Rg4 $15 27. cxd5 Rxf4 28. Qxf4 Kd6) 27. cxd5 $11 {[%emt 0:01:46] The position is equal.} cxd5 {[%emt 0:00:04]} 28. Rf2 {[%emt 0:00:15]} Rg6 {[%emt 0:00:57]} 29. Qa3+ {[%emt 0:00:36]} Qd6 {[%emt 0:05:44] [#] Threatens to win with ...Qxa3.} (29... Kd8 30. Rf7 (30. Qa8+ Kc7 $11) 30... Rc6 31. Qa8+ Rc8 32. Rf8+) 30. Qa8 {[%emt 0:00:06]} Rf6 {[%emt 0:09:06] aiming for ...Qc5.} (30... Qc5 $2 31. Qf8+ Kd7 32. Qf7+ Kc6 33. Qxg6+ $18) 31. Qxb7+ {[%emt 0:00:08]} Kf8 {[%emt 0:00:04]} 32. Rxf6+ {[%emt 0:01:18]} Qxf6 {[%emt 0:00:01]} 33. Qxd5 {[%emt 0:00:14] KQ-KQ} e3 {[%emt 0:01:06] Prevents Qd2. ( -> ...Qf2+)} 34. Qg2 {[%emt 0:00:21] Against Qf2+} Kg7 {[%emt 0:00:26]} 35. Qe2 {[%emt 0:01:34][%csl LRe3,LRh5]} Qe5 {[%emt 0:00:23]} 36. a4 {[%emt 0:01:48]} Qd4 {[%emt 0:02:29]} 37. b4 {[%emt 0:00:13]} Qd2 {[%emt 0:01:54]} 38. Kf1 {[%emt 0:00:21]} Qc1+ {[%emt 0:00:05]} 39. Kg2 {[%emt 0:00:17] Black must now prevent b5.} Qc6+ {[%emt 0:00:05]} 40. Kg1 {[%emt 0:00:38]} Qc1+ {[%emt 0:00:21]} 41. Kg2 {[%emt 0:00:18] Strongly threatening b5.} Qc6+ {[%emt 0:00:06]} 42. Kg1 {[%emt 0:00:04]} Qc1+ {[%emt 0:00:50]} 43. Kg2 {[%emt 0:00:07] Hoping for b5.} Qc6+ {[%emt 0:00:24] White happily takes the draw.  Weighted Error Value: White=0.17 (very precise) /Black=0.12 (very precise)} 1/2-1/2

[Event "13th Chennai Open 2022"]
[Site "Chennai"]
[Date "2022.06.25"]
[Round "9.15"]
[White "Nguyen, Duc Hoa"]
[Black "Priyankara, Chamil"]
[Result "1-0"]
[ECO "A64"]
[WhiteElo "2398"]
[BlackElo "1938"]
[Annotator "TA"]
[PlyCount "85"]
[EventDate "2022.06.19"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 23,85,1,22,21,45,34,43,0,0,0,6,7,19,0,2,0,46,7,58,53,61,57,55,43,41,55,79,20,23,23,10,16,10,23,12,16,5,11,76,69,67,85,65,60,191,191,191,191,191,191,247,177,166,136,136,8,85,85,61,70,2741,1999,5641,2442]} 1. d4 {[%emt 0:00:04]} Nf6 {[%emt 0:03:51]} 2. c4 {[%emt 0:00:06]} g6 {[%emt 0:00:50]} 3. Nc3 {[%emt 0:00:13]} Bg7 {[%emt 0:00:07]} 4. Nf3 {[%emt 0:00:35]} O-O {[%emt 0:00:45]} 5. g3 {[%emt 0:00:06]} d6 {[%emt 0:00:43]} 6. Bg2 {[%emt 0:00:11]} c5 {[%emt 0:00:22]} 7. d5 {[%emt 0:00:30]} e6 {[%emt 0:01:11]} 8. O-O {[%emt 0:00:06]} exd5 {[%emt 0:00:46]} 9. cxd5 {[%emt 0:00:06]} a6 {[%emt 0:00:03]} 10. a4 {[%emt 0:00:07]} Re8 {[%emt 0:00:17]} 11. Nd2 {[%emt 0:00:17] 11.Re1 deserves study.} Nbd7 {[%emt 0:00:14][%cal Bb8d7,Bd7b6,Bb6c4][%mdl 32]} 12. h3 {[%emt 0:00:20]} Nh5 {[%emt 0:00:39]} (12... Rb8 $5 {[%cal Rb7b5]}) 13. a5 {[%emt 0:07:30] A64: Modern Benoni: Fianchetto Variation: 9...Nbd7 10 Nd2 a6 11 a4 Re8.} b5 {[%emt 0:09:40] Prevents Nc4.} 14. axb6 $1 {[%emt 0:02:32]} Nxb6 {[%emt 0:00:39]} 15. Nb3 {[%emt 0:00:58] White is slightly better.} Nc4 $1 {[%emt 0:08:23] [#]} 16. Ra4 $146 {[%emt 0:02:13]} ({Predecessor:} 16. Qd3 Ne5 17. Qc2 Bd7 18. Na5 Bb5 19. Kh2 Qb6 20. f4 Nd7 21. Re1 c4 22. e4 {1-0 (39) Fominykh,M (2259)-Voit,D (2340) Moscow 2019}) 16... Nb6 {[%emt 0:00:14]} 17. Ra2 {[%emt 0:05:29]} Nc4 $1 {[%emt 0:09:23] Against Na5} 18. Qd3 {[%emt 0:03:18]} Ne5 {[%emt 0:00:25]} 19. Qc2 {[%emt 0:00:10]} Bf5 {[%emt 0:04:13]} (19... a5 $11) 20. Qd1 {[%emt 0:13:31]} (20. e4 $5 {[%cal Re4f5]} Bd7 21. g4 $11) 20... Bd7 {[%emt 0:03:20]} (20... a5 $11) 21. Na5 $14 {[%emt 0:00:48]} Bb5 {[%emt 0:00:32]} 22. Qc2 {[%emt 0:06:08]} f5 {[%emt 0:01:40][%cal Bf7f5,Bf5f4,Bf4f3][%mdl 32]} 23. Rd1 {[%emt 0:04:16]} Qd7 {[%emt 0:06:52]} 24. b3 {[%emt 0:09:01]} Qf7 {[%emt 0:07:29]} 25. Nc6 {[%emt 0:03:54]} (25. e3 $1 $16) 25... f4 $11 {[%emt 0:03:43]} 26. g4 {[%emt 0:26:54]} f3 {[%emt 0:00:26] ...fxe2 is the strong threat.} 27. Nxb5 {[%emt 0:02:59]} axb5 {[%emt 0:00:47]} 28. Rxa8 {[%emt 0:00:07] Dancing on a razor blade.} Rxa8 {[%emt 0:00:04]} 29. exf3 {[%emt 0:01:05] Threatens to win with Nxe5.} Nf4 {[%emt 0:01:21]} 30. Qe4 {[%emt 0:02:27]} Ra1 {[%emt 0:12:55]} (30... g5 $11) 31. Rf1 $1 $16 {[%emt 0:00:18]} Ned3 {[%emt 0:05:47]} (31... Nxd5 $2 32. Qxd5 $3 {[%mdl 512]} (32. Nd8 Nc3 $14) 32... Qxd5 33. Ne7+ Kf7 34. Nxd5 $18) 32. Bxf4 {[%emt 0:03:03]} Nxf4 {[%emt 0:06:00]} 33. Nd8 $36 {[%emt 0:00:10][%mdl 2048] White has some pressure.} Qd7 {[%emt 0:02:54]} ({Better is} 33... Rxf1+ $14 34. Bxf1 Qf6) 34. Ne6 $18 {[%emt 0:00:29]} ({Weaker is} 34. Qxf4 Qxd8 35. Rxa1 Bxa1 $14) 34... Nxg2 {[%emt 0:03:01]} (34... Rxf1+ $2 35. Bxf1 Nxe6 36. dxe6 $18) 35. Rxa1 {[%emt 0:01:28]} ({Don't do} 35. Kxg2 Ra3 $16) 35... Bxa1 {[%emt 0:00:11]} 36. Kxg2 {[%emt 0:00:03][%mdl 4096] Endgame KQB-KQN} Qc8 {[%emt 0:01:15]} (36... b4 $142 37. f4 Bg7) 37. Qe1 {[%emt 0:02:02]} Bf6 {[%emt 0:02:24]} 38. g5 {[%emt 0:00:24]} Bh8 {[%emt 0:00:22] [#]} 39. Nf4 {[%emt 0:05:24] White is more active.} ({White should play} 39. Qa5 $1 $16 {[%cal Ra5b6]} Qb8 40. Qa6) 39... c4 {[%emt 0:00:20]} (39... Be5 $1 $11 {keeps the balance.} 40. Ne6 c4) 40. bxc4 $16 {[%emt 0:00:12]} bxc4 {[%emt 0:00:02]} 41. Qe7 {[%emt 0:00:36]} Be5 $2 {[%emt 0:05:27][%mdl 8192] [#]} (41... c3 $14) 42. Ne6 $1 $18 {[%emt 0:00:15] Strongly threatening Nd8.} Qa8 {[%emt 0:00:45]} 43. Nd8 {[%emt 0:00:27] Weighted Error Value: White=0.16 (very precise) /Black=0.26 (precise)} 1-0

[Event "13th Chennai Open 2022"]
[Site "Chennai"]
[Date "2022.06.25"]
[Round "9.16"]
[White "Ghosh Samriddhaa"]
[Black "Hari Madhavan N B"]
[Result "0-1"]
[ECO "B36"]
[WhiteElo "1844"]
[BlackElo "2374"]
[Annotator "TA"]
[PlyCount "104"]
[EventDate "2022.06.19"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 23,104,31,59,17,18,16,22,17,12,15,16,14,17,10,15,0,0,0,11,-18,-31,-81,-80,-81,-91,-199,-209,-222,-181,-195,-175,-175,-156,-244,-223,-290,-289,-274,-293,-292,-282,-612,-323,-313,-305,-386,-312,-555,-552,-560,-550,-592,-443,-1037,-609,-6211,-776,-977,-880,-2050,-616,-610,-582,-805,-800,-774,-747,-29983,-979,-1154,-1772,-1175,-1081,-29975,-29973,-29973,-29974,-29974,-29975,-29974,-29974,-29951,-6029]} 1. e4 {[%emt 1:31:00]} c5 {[%emt 0:00:06]} 2. Nf3 {[%emt 0:00:00]} g6 {[%emt 0:00:04]} 3. d4 {[%emt 0:00:00]} cxd4 {[%emt 0:00:05]} 4. Nxd4 {[%emt 0:00:00]} Nc6 {[%emt 0:00:06]} 5. c4 {[%emt 0:00:00]} Nf6 {[%emt 0:00:45]} 6. Nc3 {[%emt 0:00:00]} d6 {[%emt 0:00:12]} 7. Be2 {[%emt 0:00:00]} Nxd4 {[%emt 0:00:08]} 8. Qxd4 {[%emt 0:00:00]} Bg7 {[%emt 0:00:03]} 9. Be3 {[%emt 0:00:00]} O-O {[%emt 0:00:09]} 10. Qd2 {[%emt 0:00:00]} a5 {[%emt 0:00:08]} 11. O-O {[%emt 0:00:00]} a4 {[%emt 0:00:37]} 12. Bd4 {[%emt 0:00:00] outshines the older 12.f3.} Be6 {[%emt 0:02:04]} 13. Qe3 {[%emt 0:00:00] B36: Sicilian: Maroczy Bind: Gurgenidze System.} Nd7 {[%emt 0:13:05]} 14. Bxg7 {[%emt 0:00:00]} Kxg7 {[%emt 0:00:35]} 15. Nd5 {[%emt 0:00:00] The position is equal.} Bxd5 {[%emt 0:01:09]} 16. exd5 {[%emt 0:00:00]} Qb6 {[%emt 0:01:05]} 17. Qc3+ {[%emt 0:00:00] [#]} Kg8 $146 {[%emt 0:00:31]} ({Predecessor:} 17... Ne5 18. Kh1 Qa5 19. Qd4 Qa7 20. Qc3 Qa5 21. Qd4 Qa7 22. Qc3 Qa5 {½-½ (22) Azarov,S (2571)-Timofeev,A (2658) Dresden 2007}) 18. Rae1 {[%emt 0:00:00]} Qc5 {[%emt 0:10:28]} 19. Kh1 {[%emt 0:00:00]} Rfe8 {[%emt 0:02:22]} 20. f4 {[%emt 0:00:00]} Rac8 {[%emt 0:02:08]} 21. Bd3 {[%emt 0:00:00]} b5 {[%emt 0:08:53][%cal Rb5c4]} 22. f5 {[%emt 0:05:06]} (22. b4 $15 axb3 23. axb3) 22... Ne5 $17 {[%emt 0:02:02][%cal Rb5c4] White is on the road to losing.} 23. fxg6 {[%emt 0:03:04]} hxg6 {[%emt 0:00:09][%cal Rb5c4]} 24. Bb1 {[%emt 0:02:44]} (24. Re4 $17) 24... Qxc4 $19 {[%emt 0:01:09]} 25. Qd2 {[%emt 0:00:23] [#] And now Rf4 would win.} Kg7 {[%emt 0:00:19]} 26. Rf4 {[%emt 0:00:21]} Qc5 {[%emt 0:00:19]} 27. h3 {[%emt 0:00:40]} a3 {[%emt 0:01:52]} 28. bxa3 {[%emt 0:00:28]} (28. Rb4 $17) 28... Qxa3 {[%emt 0:00:10]} 29. Qf2 {[%emt 0:00:39][%cal Oe1e5]} Rc1 {[%emt 0:00:52]} 30. Kh2 {[%emt 0:00:25][%cal Oe1e5] [#] Black must now prevent Rxe5!} Rxe1 {[%emt 0:00:11]} 31. Qxe1 {[%emt 0:00:02]} Rc8 {[%emt 0:00:12] Hoping for ...Rc1.} 32. Rb4 $2 {[%emt 0:01:02]} (32. Qd2) 32... Rc5 {[%emt 0:00:37] Threatens to win with ...Rc3.} 33. Rb3 {[%emt 0:00:24]} Qa8 {[%emt 0:00:09]} 34. Qh4 {[%emt 0:00:30]} f6 {[%emt 0:00:28]} 35. Be4 $2 {[%emt 0:00:35]} (35. Qd4) 35... Qxa2 {[%emt 0:00:45]} 36. Qg3 {[%emt 0:00:07]} Qa4 {[%emt 0:00:19]} 37. Re3 {[%emt 0:00:48]} Rc7 {[%emt 0:00:44]} 38. h4 {[%emt 0:00:20]} (38. Bd3 $142 g5 39. Be2) 38... Qd1 {[%emt 0:00:09] ...Ng4+ is the strong threat.} 39. Bf5 {[%emt 0:00:43] Prevents Ng4+.} Qh5 {[%emt 0:00:18]} (39... Rc1 $142 40. Re1 Qxe1 41. Qxe1 Rxe1) 40. Be6 {[%emt 0:00:13]} Rc4 {[%emt 0:00:08]} 41. Ra3 {[%emt 0:00:45]} Qxh4+ {[%emt 0:00:16]} (41... f5 $142 42. Bxf5 b4) 42. Qxh4 {[%emt 0:00:11]} Rxh4+ {[%emt 0:00:06][%mdl 4096] Endgame KRB-KRN} 43. Kg3 {[%emt 0:00:17]} Ra4 {[%emt 0:00:05]} 44. Rb3 {[%emt 0:01:09]} b4 {[%emt 0:00:08] ( -> ...Ra3)} 45. Kh4 {[%emt 0:00:30]} f5 {[%emt 0:00:18]} (45... Ra3 $142 46. Rg3 Rxg3 47. Kxg3 b3 48. Kh3 b2 49. Kg3 b1=Q 50. Kf2 Qc2+ 51. Kg1 f5 52. Bxf5 gxf5 53. Kf1 Ng4 54. Ke1 Qf2+ 55. Kd1 Ne3+ 56. Kc1 Qc2#) 46. Kg5 {[%emt 0:00:22]} Ra2 {[%emt 0:00:17]} 47. g4 {[%emt 0:00:39]} Rg2 {[%emt 0:00:19][%csl Ge5,Gf5][%cal Rg2g4]} 48. Rxb4 {[%emt 0:00:17]} Rxg4+ {[%emt 0:00:07] Black mates.} 49. Rxg4 {[%emt 0:00:07]} Nxg4 {[%emt 0:00:05]} 50. Bd7 {[%emt 0:00:33]} Ne5 {[%emt 0:00:06]} 51. Be6 {[%emt 0:00:39]} Nf7+ {[%emt 0:00:10]} 52. Kf4 {[%emt 0:00:43]} Kf6 {[%emt 0:00:07] Weighted Error Value: White=1.04/Black=0.68} 0-1

[Event "13th Chennai Open 2022"]
[Site "Chennai"]
[Date "2022.06.25"]
[Round "9.17"]
[White "Karthikeyan, P.."]
[Black "Arpith S Bijoy"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "2361"]
[BlackElo "1713"]
[Annotator "TA"]
[PlyCount "81"]
[EventDate "2022.06.19"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 9,81,33,45,38,45,43,134,119,130,120,141,147,133,144,137,121,136,44,227,227,222,219,287,281,285,261,276,269,248,222,222,218,216,218,225,218,238,229,229,222,228,229,199,210,311,303,352,310,363,358,350,265,696,691,650,632,354,995,977,979,907,877,3080,3078,2677,2258,1950,1505,2669,5481,3600,2605,1904,1647]} 1. e4 {[%emt 0:03:22]} c6 {[%emt 0:00:18]} 2. d4 {[%emt 0:00:08]} d5 {[%emt 0:00:13]} 3. e5 {[%emt 0:00:07]} c5 {[%emt 0:00:59]} 4. dxc5 {[%emt 0:01:49]} Nc6 {[%emt 0:01:27]} 5. Nf3 {[%emt 0:03:07]} e6 {[%emt 0:05:53]} 6. Be3 {[%emt 0:00:52] B12: Caro-Kann: Advance Variation.} Nge7 {[%emt 0:08:54]} 7. Bd3 {[%emt 0:01:40]} Qc7 {[%emt 0:06:53]} ({Better is} 7... Ng6 $14) 8. Nc3 $16 {[%emt 0:03:30][%cal Bb1c3,Bc3a4,Ba4b6][%mdl 32] White is clearly better.} a6 {[%emt 0:11:19] Inhibits Nb5.} 9. O-O {[%emt 0:06:20] [#] White is more active.} Ng6 $146 {[%emt 0:08:59]} ({Predecessor:} 9... Nxe5 10. Nxe5 Qxe5 11. Bd4 Qc7 12. Re1 Bd7 13. b4 f6 14. Qh5+ Kd8 15. Qf7 e5 16. Nxd5 Nxd5 17. Qxd5 {1-0 (28) Idani,P (2638)-Chapman,T (2240) Reykjavik 2022}) 10. Re1 {[%emt 0:03:46]} Be7 {[%emt 0:04:24]} 11. Na4 {[%emt 0:04:18]} Bd7 {[%emt 0:06:08]} 12. c4 {[%emt 0:03:24]} d4 {[%emt 0:03:13] [#]} 13. Bd2 {[%emt 0:04:58]} (13. Nxd4 Rd8 $16) (13. Bxd4 $6 Nxd4 14. Nxd4 Nxe5 $11) (13. Bg5 $1 $16) 13... O-O $2 {[%emt 0:08:55] This costs Black the game.} ({Black should try} 13... Ncxe5 $14 14. Nxe5 Nxe5) 14. Nb6 $18 {[%emt 0:04:57]} Rad8 {[%emt 0:05:55]} 15. b4 {[%emt 0:00:15]} Ncxe5 {[%emt 0:05:46]} 16. Nxe5 {[%emt 0:03:43]} Nxe5 {[%emt 0:00:09] [#]} 17. Bf4 $1 {[%emt 0:00:35]} f6 {[%emt 0:02:03]} 18. Qh5 {[%emt 0:02:42]} g6 {[%emt 0:01:16]} 19. Bxe5 {[%emt 0:02:46]} fxe5 {[%emt 0:01:00]} 20. Qxe5 $40 {[%emt 0:07:57][%mdl 128] Black is in trouble.} Qxe5 {[%emt 0:01:18]} 21. Rxe5 {[%emt 0:00:02]} Kf7 {[%emt 0:04:32]} 22. Rae1 {[%emt 0:00:42]} Bf6 {[%emt 0:03:32]} 23. Nxd7 {[%emt 0:00:16]} Rxd7 {[%emt 0:00:07]} 24. Rxe6 {[%emt 0:00:05]} a5 {[%emt 0:02:28]} 25. a3 {[%emt 0:09:03][%cal Ba2a3,Ba3b4][%mdl 32]} ({Don't take} 25. bxa5 Ra8 26. a6 Rxa6 27. Rxa6 bxa6) 25... axb4 {[%emt 0:03:05]} 26. axb4 {[%emt 0:00:02]} Rc7 {[%emt 0:02:24]} (26... Ra8 $142 27. Rb6 Ra3) 27. Rb6 {[%emt 0:01:47]} Ra8 {[%emt 0:01:01]} 28. Be4 {[%emt 0:00:40] And now Bd5+ would win.} Ra7 {[%emt 0:00:17]} 29. g3 {[%emt 0:01:36]} Kg7 {[%emt 0:00:15]} 30. Bd5 {[%emt 0:00:23]} h5 $2 {[%emt 0:01:43]} (30... d3 31. Rd1 Ra1 32. Rxa1 Bxa1 33. Bxb7 (33. Rxb7 Rxb7 34. Bxb7 Bc3 $18) 33... Rd7) 31. Ree6 {[%emt 0:01:29]} Rf7 {[%emt 0:00:56]} 32. Red6 {[%emt 0:03:53]} Ra1+ {[%emt 0:00:25]} 33. Kg2 {[%emt 0:00:01]} Rf8 {[%emt 0:00:07] White is clearly winning.} 34. Rxb7+ {[%emt 0:00:45]} Kh6 {[%emt 0:00:02]} 35. h4 {[%emt 0:04:31] Threatens to win with Rdd7.} Ra2 {[%emt 0:01:12]} 36. Rdd7 {[%emt 0:00:57][%csl Gb7][%cal Rd7h7]} Rh8 {[%emt 0:00:24] Prevents Rh7+.} 37. Rf7 {[%emt 0:01:10]} Be5 {[%emt 0:00:42]} 38. Rbe7 {[%emt 0:01:16]} Re2 {[%emt 0:00:36]} 39. Bf3 {[%emt 0:01:04]} Re1 {[%emt 0:00:13]} 40. c6 {[%emt 0:00:51][%cal Bc5c6,Bc6c7][%mdl 32] Threatening mate with c7.} d3 {[%emt 0:00:28]} 41. c7 {[%emt 0:00:10] Weighted Error Value: White=0.12 (very precise) /Black=0.48} 1-0

[Event "13th Chennai Open 2022"]
[Site "Chennai"]
[Date "2022.06.25"]
[Round "9.18"]
[White "Abdyjapar, Asyl"]
[Black "Shree Ganesh Muthu Annamalai"]
[Result "1/2-1/2"]
[ECO "E94"]
[WhiteElo "2346"]
[BlackElo "1803"]
[Annotator "TA"]
[PlyCount "85"]
[EventDate "2022.06.19"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 16,85,47,42,47,46,47,47,55,44,54,51,54,44,47,46,64,20,26,28,31,0,12,-93,-109,-157,-151,-122,-82,-75,-79,-80,-21,-18,-21,-83,-85,-81,-73,-104,-97,-97,-47,-60,0,-45,-55,-68,-67,-66,-62,-60,-59,-115,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 {[%emt 0:08:13]} d6 {[%emt 1:31:00]} 2. c4 {[%emt 0:00:16]} Nf6 {[%emt 0:00:00]} 3. Nc3 {[%emt 0:00:05]} Nbd7 {[%emt 0:00:00]} 4. Nf3 {[%emt 0:00:06]} g6 {[%emt 0:00:00]} 5. e4 {[%emt 0:00:17]} e5 {[%emt 0:00:00]} 6. Be2 {[%emt 0:03:04]} Bg7 {[%emt 0:00:00]} 7. O-O {[%emt 0:00:30]} O-O {[%emt 0:00:00]} 8. Be3 {[%emt 0:00:48]} Qe7 {[%emt 0:00:00]} 9. d5 {[%emt 0:00:33]} Ng4 {[%emt 0:00:00] 9...c5 gains popularity. E94: King's Indian: Classical: 6 Be2 e5 7 0-0: Various Black 7th moves.} 10. Bg5 {[%emt 0:00:15][%cal Be3g5,Bg5h4,Bh4g3][%mdl 32]} f6 {[%emt 0:00:00]} 11. Bh4 {[%emt 0:00:11]} Nh6 {[%emt 0:00:00][%cal Bg4h6,Bh6f5,Bf5e3][%mdl 32] White is slightly better. is the legacy move (11...h5).} 12. Nd2 {[%emt 0:02:12]} g5 {[%emt 0:00:00]} 13. Bg3 {[%emt 0:00:04]} f5 {[%emt 0:00:00]} 14. exf5 {[%emt 0:00:41] [#]} Nxf5 $146 {[%emt 0:00:00]} ({Predecessor:} 14... Nf6 15. Bd3 Nxf5 16. Nde4 Nxe4 17. Bxe4 Bd7 18. Qd3 h6 19. f3 Kh8 20. Bf2 a6 {1-0 (42) Popov,V (2430)-Gelman,A (2415) Krasnodar 1997}) 15. Nde4 {[%emt 0:00:38]} h6 {[%emt 0:00:00]} 16. Bd3 {[%emt 0:03:18]} Nf6 {[%emt 0:00:00]} 17. Nxf6+ {[%emt 1:17:49]} Qxf6 {[%emt 0:00:00]} 18. Ne4 {[%emt 0:00:00]} Qg6 {[%emt 0:00:00]} 19. f3 {[%emt 0:00:00]} (19. Qd2 $11 {keeps the balance.}) 19... Ne3 $1 $17 {[%emt 0:00:00][%csl LRd1,LRf1]} 20. Qe2 {[%emt 0:00:00]} (20. Qb3 $142) 20... Nxf1 {[%emt 0:00:00]} 21. Rxf1 {[%emt 0:00:00]} Bf5 {[%emt 0:00:00]} 22. h3 {[%emt 0:00:00]} h5 {[%emt 0:00:00]} 23. Be1 {[%emt 0:00:00]} Bxe4 {[%emt 0:00:00]} (23... g4 $17 24. fxg4 hxg4 25. Rxf5 Rxf5 26. hxg4 Rf4) 24. Bxe4 $11 {[%emt 0:00:00]} Qf6 {[%emt 0:00:00][%cal Og5g4]} 25. g4 {[%emt 0:00:00]} (25. Bd2 $11) 25... hxg4 $17 {[%emt 0:00:00]} 26. hxg4 {[%emt 0:00:00]} Kf7 {[%emt 0:00:00]} 27. Bg3 {[%emt 0:00:00][%cal Oc4c5]} Rh8 {[%emt 0:00:00]} 28. Kg2 {[%emt 0:00:00][%cal Oc4c5]} Rh6 {[%emt 0:00:00]} (28... b6 $17 29. Qc2 a5) 29. c5 $15 {[%emt 0:00:00]} Rd8 {[%emt 0:00:00]} ({Black should try} 29... Bf8 $15) 30. Rc1 {[%emt 0:00:00] Active counter play!} Bf8 {[%emt 0:00:00]} 31. b4 {[%emt 0:00:00]} Be7 {[%emt 0:00:00]} 32. Qb5 {[%emt 0:00:00]} Rdh8 {[%emt 0:00:00] And now ...Rh3 would win.} 33. Qd7 {[%emt 0:00:00]} Rh3 {[%emt 0:03:58][%cal Oh3g3]} 34. Bf5 {[%emt 0:00:00] [#]} (34. Rb1 $15) 34... dxc5 {[%emt 0:02:30]} (34... Qh6 $1 $17 {[%cal Oh3g3] ( -> ...Rxg3+!)} 35. Qe6+ (35. Kf2 Rd8 $17) 35... Qxe6 36. Bxe6+ Kf6) 35. bxc5 $11 {[%emt 0:09:00] The position is equal.} Qa6 {[%emt 0:04:18]} 36. Rc2 {[%emt 0:00:00] Inhibits Qe2+. Strongly threatening d6. Really sharp!} Rxg3+ {[%emt 0:01:15]} 37. Kxg3 {[%emt 0:00:00] Intending d6 and mate.} Qf1 {[%emt 0:00:13][%csl Gf1][%cal Rh8h3]} (37... Qh6 $5 38. Qe6+ (38. Qxc7 {is a self mate.} Qh4+ 39. Kg2 Qh1+ 40. Kf2 Rh2+ 41. Ke3 Qg1+) 38... Qxe6 39. Bxe6+ Kf6 $11) 38. Bg6+ $1 {[%emt 0:00:00]} Kxg6 {[%emt 0:00:45][%csl Gf1][%cal Rh8h3] [#]} 39. Qe6+ $1 {[%emt 0:00:00]} Bf6 {[%emt 0:00:11][%csl Gf1][%cal Rh8h3]} 40. Qf5+ {[%emt 0:00:00]} Kg7 {[%emt 0:01:14][%csl Gf1][%cal Rh8h3]} 41. Qd7+ {[%emt 0:00:00]} Kf8 {[%emt 0:01:08][%csl Gf1][%cal Rh8h3]} 42. Qc8+ {[%emt 0:00:00]} Kg7 {[%emt 0:00:16][%csl Gf1][%cal Rh8h3]} 43. Qd7+ {[%emt 0:00:00] Weighted Error Value: White=0.18 (very precise) /Black=0.14 (very precise)} 1/2-1/2

[Event "13th Chennai Open 2022"]
[Site "Chennai"]
[Date "2022.06.26"]
[Round "10.1"]
[White "Fedorov, Alexei"]
[Black "Nitin, S.."]
[Result "1/2-1/2"]
[ECO "B90"]
[WhiteElo "2529"]
[BlackElo "2399"]
[Annotator "TA"]
[PlyCount "20"]
[EventDate "2022.06.19"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 19,20,0,54]} 1. e4 {[%emt 0:00:04]} c5 {[%emt 0:00:52]} 2. Nc3 {[%emt 0:00:09]} a6 {[%emt 0:00:08]} 3. Nf3 {[%emt 0:00:07]} d6 {[%emt 0:00:10]} 4. d4 {[%emt 0:00:08]} cxd4 {[%emt 0:00:06]} 5. Nxd4 {[%emt 0:00:06]} Nf6 {[%emt 0:00:06]} 6. Be3 {[%emt 0:00:08]} Ng4 {[%emt 0:00:09] [#]} 7. Bc1 $146 {[%emt 0:00:27]} ({Predecessor:} 7. Bg5 h6 8. Bh4 g5 9. Bg3 Bg7 10. h3 Ne5 11. Nf5 Bxf5 12. exf5 Nbd7 13. Be2 Rc8 14. O-O O-O 15. Re1 Nf6 16. Bxe5 dxe5 17. Bd3 Qc7 18. Ne4 Rfd8 19. Qf3 {1-0 (63) Shankland,S (2718)-Salem,A (2679) Prague 2022}) 7... Nf6 {[%emt 0:00:19]} 8. Be3 {[%emt 0:00:10]} Ng4 {[%emt 0:00:10]} 9. Bc1 {[%emt 0:00:07]} Nf6 {[%emt 0:00:04]} 10. Be3 {[%emt 0:00:05]} Ng4 {[%emt 0:00:54] 10...Nbd7 is becoming the main line.} 1/2-1/2

[Event "13th Chennai Open 2022"]
[Site "Chennai"]
[Date "2022.06.26"]
[Round "10.2"]
[White "Savchenko, Boris"]
[Black "Aronyak Ghosh"]
[Result "1-0"]
[ECO "B17"]
[WhiteElo "2524"]
[BlackElo "2494"]
[Annotator "RC"]
[PlyCount "179"]
[EventDate "2022.06.19"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:02:45]} c6 {[%emt 0:01:24]} 2. Nc3 {[%emt 0:03:46]} d5 {[%emt 0:00:18]} 3. d4 {[%emt 0:04:04]} dxe4 {[%emt 0:00:13]} 4. Nxe4 {[%emt 0:00:06]} Nd7 {[%emt 0:00:15]} 5. Ng5 {[%emt 0:00:10]} Ngf6 {[%emt 1:30:50]} 6. Bc4 {[%emt 0:04:43]} e6 {[%emt 0:00:00]} 7. Qe2 {[%emt 0:00:26]} Nb6 {[%emt 0:01:00]} 8. Bb3 {[%emt 0:07:39]} h6 {[%emt 0:00:30]} 9. N5f3 {[%emt 0:00:23]} c5 {[%emt 0:00:30]} 10. dxc5 {[%emt 0:04:28]} Bxc5 {[%emt 0:00:30]} 11. Ne5 {[%emt 1:07:30]} O-O {[%emt 0:00:30]} 12. h4 {[%emt 0:00:00]} a5 {[%emt 0:00:00]} 13. c3 {[%emt 0:01:00]} a4 {[%emt 0:00:00]} 14. Bc2 {[%emt 0:00:00]} a3 {[%emt 0:01:30]} 15. b3 {[%emt 0:01:00]} Qc7 {[%emt 0:00:30]} 16. Bd2 {[%emt 0:00:00]} Bd4 {[%emt 0:00:00]} 17. Bh7+ {[%emt 0:00:00]} Nxh7 {[%emt 0:00:00]} 18. cxd4 {[%emt 0:00:00]} Qc2 {[%emt 0:00:00]} 19. Ngf3 {[%emt 0:00:00]} Nd5 {[%emt 0:00:00]} 20. Rc1 {[%emt 0:00:00]} Qxa2 {[%emt 0:00:00]} 21. Qd1 {[%emt 0:00:00]} Ra6 {[%emt 0:00:00]} 22. Nc4 {[%emt 0:00:00]} b5 {[%emt 0:00:00]} 23. Ra1 {[%emt 0:00:00]} Qxa1 {[%emt 0:00:00]} 24. Qxa1 {[%emt 0:00:00]} bxc4 {[%emt 0:00:00]} 25. bxc4 {[%emt 0:00:00]} Nb6 {[%emt 0:00:00]} 26. Bb4 {[%emt 0:00:00]} Rd8 {[%emt 0:00:00]} 27. Nd2 {[%emt 0:00:00]} Ra4 {[%emt 0:00:00]} 28. Bxa3 {[%emt 0:03:00]} Nxc4 {[%emt 0:06:30]} 29. Nxc4 {[%emt 0:00:05]} Rxc4 {[%emt 0:00:00]} 30. O-O {[%emt 0:01:32]} Bb7 {[%emt 0:00:00]} 31. Bc5 {[%emt 0:01:01]} Ra8 {[%emt 0:00:00]} 32. Qb2 {[%emt 0:01:11]} Bc6 {[%emt 0:00:00]} 33. Ra1 {[%emt 0:00:32]} Rxa1+ {[%emt 0:00:00]} 34. Qxa1 {[%emt 0:00:05]} Ra4 {[%emt 0:00:00]} 35. Qc1 {[%emt 0:00:28]} Bd5 {[%emt 0:00:00]} 36. Be7 {[%emt 0:00:21]} Ra8 {[%emt 0:00:00]} 37. f3 {[%emt 0:00:15]} Nf8 {[%emt 0:00:00]} 38. h5 {[%emt 0:00:18]} Re8 {[%emt 0:00:00]} 39. Qc7 {[%emt 0:00:19]} Nh7 {[%emt 0:00:00]} 40. Bd8 {[%emt 0:00:48]} Nf6 {[%emt 0:06:00]} 41. g4 {[%emt 0:03:05]} Bxf3 {[%emt 0:00:00]} 42. Bxf6 {[%emt 0:00:00]} gxf6 {[%emt 0:00:00]} 43. Qf4 {[%emt 0:00:00]} Kg7 {[%emt 0:00:00]} 44. Qxf3 {[%emt 0:00:00]} Rd8 {[%emt 0:00:00]} 45. Qe4 {[%emt 0:00:33]} Rd5 {[%emt 0:00:00]} 46. Kf2 {[%emt 0:00:51]} f5 {[%emt 0:00:00]} 47. Qg2 {[%emt 0:00:35]} fxg4 {[%emt 0:00:00]} 48. Qxg4+ {[%emt 0:00:05]} Rg5 {[%emt 0:00:00]} 49. Qe2 {[%emt 0:01:11]} Kg8 {[%emt 0:00:00]} 50. Ke3 {[%emt 0:00:14]} Kg7 {[%emt 0:00:00]} 51. Ke4 {[%emt 0:01:31]} Kg8 {[%emt 0:00:00]} 52. Qd1 {[%emt 0:00:00]} Kg7 {[%emt 0:00:00]} 53. Qf3 {[%emt 0:00:00]} Kg8 {[%emt 0:00:00]} 54. Kd3 {[%emt 0:00:45]} Kg7 {[%emt 0:00:00]} 55. Kc3 {[%emt 0:00:20]} Kg8 {[%emt 0:00:00]} 56. Kb4 {[%emt 0:00:40]} Kg7 {[%emt 0:00:00]} 57. Qc3 {[%emt 0:00:19]} Kg8 {[%emt 0:00:00]} 58. Qc5 {[%emt 0:00:20]} Kg7 {[%emt 0:00:04]} 59. Kc4 {[%emt 0:01:02]} Kf6 {[%emt 0:00:55]} 60. Kb5 {[%emt 0:00:26]} Rf5 {[%emt 0:00:34]} 61. Kb6 {[%emt 0:00:33]} Kg5 {[%emt 0:00:13]} 62. Qf8 {[%emt 0:00:32]} Kxh5 {[%emt 0:00:09]} 63. Qg7 {[%emt 0:00:07]} Kh4 {[%emt 0:00:39]} 64. Qxh6+ {[%emt 0:00:33]} Kg4 {[%emt 0:09:26]} 65. d5 {[%emt 0:00:49]} exd5 {[%emt 0:00:00]} 66. Kc5 {[%emt 0:00:08]} Kg3 {[%emt 0:00:00]} 67. Kd4 {[%emt 0:00:33]} Kg4 {[%emt 0:00:00]} 68. Kd3 {[%emt 0:00:30]} Kg3 {[%emt 0:00:00]} 69. Ke3 {[%emt 0:00:30]} Rf3+ {[%emt 0:00:00]} 70. Kd4 {[%emt 0:00:30]} Rf5 {[%emt 0:00:00]} 71. Kc5 {[%emt 0:00:30]} Kg4 {[%emt 0:00:00]} 72. Kd6 {[%emt 0:00:30]} Kg3 {[%emt 0:00:00]} 73. Qe3+ {[%emt 0:00:30]} Kg4 {[%emt 0:00:00]} 74. Qh6 {[%emt 0:00:30]} Kg3 {[%emt 0:00:00]} 75. Ke7 {[%emt 0:00:30]} Kf3 {[%emt 0:00:00]} 76. Qh4 {[%emt 0:00:30]} Ke3 {[%emt 0:00:00]} 77. Kd6 {[%emt 0:00:30]} Kf3 {[%emt 0:00:00]} 78. Qh3+ {[%emt 0:00:30]} Kf4 {[%emt 0:00:00]} 79. Qg2 {[%emt 0:00:30]} Ke3 {[%emt 0:00:00]} 80. Qg4 {[%emt 0:00:30]} Rf4 {[%emt 0:00:09]} 81. Qg3+ {[%emt 0:00:30]} Ke4 {[%emt 0:00:30]} 82. Qe1+ {[%emt 0:00:30]} Kf5 {[%emt 0:00:30]} 83. Qe5+ {[%emt 0:00:30]} Kg4 {[%emt 0:00:30]} 84. Qg7+ {[%emt 0:00:30]} Kf3 {[%emt 0:00:30]} 85. Kxd5 {[%emt 0:00:30]} Rf5+ {[%emt 0:00:30]} 86. Kd6 {[%emt 0:00:30]} Kf4 {[%emt 0:00:30]} 87. Qd4+ {[%emt 0:00:30]} Kg5 {[%emt 0:00:30]} 88. Ke7 {[%emt 0:00:30]} Rf3 {[%emt 0:00:30]} 89. Qg1+ {[%emt 0:00:30]} Kh4 {[%emt 0:00:30]} 90. Qh2+ {[%emt 0:00:30]} 1-0

[Event "13th Chennai Open 2022"]
[Site "Chennai"]
[Date "2022.06.26"]
[Round "10.3"]
[White "Srihari L R"]
[Black "Gusain, Himal"]
[Result "1-0"]
[ECO "D30"]
[WhiteElo "2404"]
[BlackElo "2396"]
[Annotator "TA"]
[PlyCount "83"]
[EventDate "2022.06.19"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 9,83,0,0,6,0,0,0,0,7,10,4,0,4,8,16,16,24,0,0,0,0,0,0,0,0,0,0,0,25,20,16,0,32,22,29,31,27,26,90,62,91,91,91,91,97,93,97,91,90,91,91,91,91,91,91,91,2335,1650,1306,1306,29989,29990,29990,29991,29991,29992,29992,29993,29993,29984,29986,29987,29987,29987,29988,29989]} 1. d4 {[%emt 1:31:00] Roiz,M} d5 {[%emt 1:31:00][%cal Bd7d5,Bd5c4][%mdl 32]} 2. c4 {[%emt 0:00:00]} e6 {[%emt 0:00:00]} 3. Nf3 {[%emt 0:00:00]} a6 {[%emt 0:00:00]} 4. g3 {[%emt 0:00:00]} dxc4 {[%emt 0:00:00]} 5. Bg2 {[%emt 0:00:00]} b5 {[%emt 0:00:00]} 6. Ne5 {[%emt 0:00:00] D30: Queen's Gambit Declined: Systems without Nc3.} c6 {[%emt 0:00:00]} 7. O-O {[%emt 0:00:00]} Bb7 {[%emt 0:00:00]} 8. b3 {[%emt 0:00:00] The position is equal.} cxb3 {[%emt 0:00:00]} 9. Qxb3 {[%emt 0:00:00]} Nf6 {[%emt 0:00:00]} 10. Rd1 {[%emt 0:00:00]} Be7 {[%emt 0:00:00]} 11. Nc3 {[%emt 0:00:00]} O-O {[%emt 0:00:00]} 12. Ne4 {[%emt 0:00:00]} Qc7 {[%emt 0:00:00] [#]} 13. Bf4 $146 {[%emt 0:00:00][%cal Oe5f7] [#] aiming for Nxf7!} ({Predecessor:} 13. Ng5 a5 14. Bh3 a4 15. Qc2 Bc8 16. Bf4 Qd8 17. Ng4 g6 18. Nxf6+ Bxf6 19. Ne4 {1-0 (38) Nakamura,H (2787)-Lenderman,A (2618) Saint Louis 2016 CBM 172 [Roiz,M]}) 13... Nd5 {[%emt 0:00:00]} 14. Rac1 {[%emt 0:00:00]} Nxf4 {[%emt 0:00:00]} 15. gxf4 {[%emt 0:00:00]} Nd7 {[%emt 0:00:00]} 16. Nxd7 {[%emt 0:00:00]} Qxd7 {[%emt 0:00:00]} 17. Nc5 {[%emt 0:00:00]} Bxc5 {[%emt 0:00:00]} 18. dxc5 {[%emt 0:00:00]} Qc7 {[%emt 0:00:00]} 19. Rd6 {[%emt 0:00:00][%mdl 1024] White has compensation.} Rad8 {[%emt 0:00:00]} 20. Qa3 {[%emt 0:00:00]} g6 {[%emt 0:00:00]} 21. e4 {[%emt 0:00:00]} a5 {[%emt 0:00:00]} 22. e5 {[%emt 0:00:00]} a4 {[%emt 0:00:00]} 23. Qc3 {[%emt 0:00:00]} Rd7 {[%emt 0:00:00]} (23... Qe7 $11) 24. Qd4 {[%emt 0:00:00]} Rxd6 {[%emt 0:00:00]} 25. cxd6 {[%emt 0:00:00]} Qd7 {[%emt 0:00:00]} 26. a3 {[%emt 0:00:00]} Rc8 {[%emt 0:00:00]} 27. Qc5 {[%emt 0:00:00]} Kg7 {[%emt 0:00:00]} 28. Rc3 {[%emt 0:00:00][%cal Bc1c3,Bc3d3,Bd3g3][%mdl 32]} Qd8 {[%emt 0:00:00]} 29. Rd3 {[%emt 0:00:00] Black must now prevent d7.} Qd7 {[%emt 0:00:00]} 30. h4 {[%emt 0:00:00][%cal Oh4h5]} h5 {[%emt 0:00:00]} 31. Be4 {[%emt 0:00:00]} Rf8 {[%emt 0:00:00]} 32. Kh2 {[%emt 0:00:00] White is much more active.} f5 $2 {[%emt 0:00:00][%mdl 8192] A mistake that costs the game.} (32... Qd8 $16) 33. exf6+ $1 $18 {[%emt 0:00:00]} Rxf6 {[%emt 0:00:00]} 34. Rg3 {[%emt 0:00:00] Threatening mate with Qe5.} b4 {[%emt 0:00:00]} 35. Qe5 {[%emt 0:00:00] White mates.} Kf7 {[%emt 0:00:00] [#]} 36. Bxg6+ $1 {[%emt 0:00:00][%mdl 576] Remove Defender} Rxg6 {[%emt 0:00:00]} 37. Qxh5 {[%emt 0:00:00]} Qxd6 {[%emt 0:00:00]} 38. Qxg6+ {[%emt 0:00:00] KQR-KQB} Ke7 {[%emt 0:00:00]} 39. Qg7+ {[%emt 0:00:00]} Kd8 {[%emt 0:00:00]} 40. Qxb7 {[%emt 0:00:00]} Qxf4 {[%emt 0:00:00]} 41. Qxb4 {[%emt 0:00:00]} Qxf2+ {[%emt 0:00:00]} 42. Rg2 {[%emt 0:00:00] Weighted Error Value: White=0.03 (flawless) /Black=0.21 (precise)} 1-0

[Event "13th Chennai Open 2022"]
[Site "Chennai"]
[Date "2022.06.26"]
[Round "10.4"]
[White "Ravichandran, Siddharth"]
[Black "Nguyen, Van Huy"]
[Result "1/2-1/2"]
[ECO "B11"]
[WhiteElo "2352"]
[BlackElo "2405"]
[Annotator "TA"]
[PlyCount "91"]
[EventDate "2022.06.19"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 19,91,45,71,49,55,73,70,61,56,53,57,65,79,54,87,83,125,67,67,66,72,73,77,66,74,79,79,49,56,28,8,4,8,21,3,17,17,0,10,0,0,0,160,173,177,177,177,70,177,165,153,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 {[%emt 0:00:08]} c6 {[%emt 0:00:34]} 2. Nf3 {[%emt 0:00:22]} d5 {[%emt 0:00:22]} 3. Nc3 {[%emt 0:00:10]} Bg4 {[%emt 0:00:25][%cal Bc8g4,Bg4h5,Bh5g6][%mdl 32]} 4. h3 {[%emt 0:00:11]} Bh5 {[%emt 0:00:37]} 5. exd5 {[%emt 0:00:22]} cxd5 {[%emt 0:00:05]} 6. g4 {[%emt 0:00:38]} Bg6 {[%emt 0:00:08]} 7. Bb5+ {[%emt 0:00:11]} Nc6 {[%emt 0:00:07]} 8. Ne5 {[%emt 0:00:12]} Rc8 {[%emt 0:00:11]} 9. d4 {[%emt 0:00:09]} e6 {[%emt 0:00:15]} 10. Qe2 {[%emt 0:00:19]} Bd6 {[%emt 0:05:10]} 11. Nxg6 {[%emt 0:02:08] White is more active. B11: Caro-Kann: Two Knights Variation.} hxg6 {[%emt 0:00:48]} 12. Nxd5 {[%emt 0:00:17][%cal Bc3d5,Bd5e3,Be3g2][%mdl 32]} Kf8 {[%emt 0:00:20][%csl LRd4,LRd5]} 13. Bxc6 {[%emt 0:00:30] White is slightly better.} Rxc6 {[%emt 0:00:06]} 14. Ne3 {[%emt 0:04:11]} Nf6 {[%emt 0:02:28]} 15. Qf3 {[%emt 0:29:19]} Bb8 {[%emt 0:14:45]} 16. c3 {[%emt 0:06:58] [#]} Kg8 $146 {[%emt 0:03:38]} ({Predecessor:} 16... e5 17. dxe5 Nd7 18. Qd5 Qe8 19. b3 Bxe5 20. Ba3+ Kg8 21. Rd1 Nf6 22. Qf3 Ne4 {0-1 (46) Venkatesh,M (2517)-Ding,L (2679) Ho Chi Minh City 2012}) 17. Bd2 {[%emt 0:04:54]} g5 {[%emt 0:05:47] [#]} 18. Rd1 {[%emt 0:27:20]} (18. O-O-O $1 $16) 18... Bf4 {[%emt 0:07:03]} 19. Ng2 {[%emt 0:01:40]} Bxd2+ {[%emt 0:04:03]} 20. Rxd2 {[%emt 0:00:02]} Nd5 {[%emt 0:00:09]} 21. Ne3 {[%emt 0:01:00]} Rh6 {[%emt 0:02:11]} 22. Nxd5 {[%emt 0:01:20]} exd5 {[%emt 0:02:31]} 23. Re2 {[%emt 0:03:12]} Rce6 {[%emt 0:03:37]} 24. Kf1 {[%emt 0:11:19]} Qa5 {[%emt 0:04:57]} 25. Kg2 {[%emt 0:00:53] White wants to play Rxe6.} (25. Rxe6 {feels hotter.} Rxe6 26. a4 Qxa4 27. Qxd5 Rf6 28. Qe4) 25... Qxa2 {[%emt 0:08:16]} 26. Rhe1 {[%emt 0:00:12]} Rxe2 $1 {[%emt 0:07:29]} 27. Rxe2 {[%emt 0:00:02] White threatens Re8+ and mate.} Re6 {[%emt 0:00:10] Inhibits Re8+.} 28. Rxe6 {[%emt 0:01:04]} fxe6 $11 {[%emt 0:00:05][%mdl 4096] Endgame KQ-KQ} 29. Qe2 {[%emt 0:00:08]} Kf7 {[%emt 0:00:35]} 30. Qb5 {[%emt 0:00:07]} b6 {[%emt 0:06:11]} (30... Kf6 $11) 31. Qd7+ $16 {[%emt 0:00:55]} Kf6 {[%emt 0:00:07]} 32. Qd8+ {[%emt 0:00:51]} Kf7 {[%emt 0:00:08]} 33. Qc7+ {[%emt 0:00:24]} ({White must play} 33. Qxg5 $18 {aiming for Qf4+.} Qxb2 34. Qf4+ Kg6 35. Qe5) 33... Kf6 {[%emt 0:00:24] [#]} ({Black should play} 33... Kf8 $1 $14) 34. Qe5+ $1 $18 {[%emt 0:01:43]} Kf7 {[%emt 0:00:13]} 35. Qc7+ $2 {[%emt 0:00:17]} (35. Qxg5 $16 {Hoping for Qf4+.} Qxb2 36. Qf4+ Kg6 37. Qe5) 35... Kf6 $1 $11 {[%emt 0:00:01] The position is equal.} 36. h4 {[%emt 0:01:23]} gxh4 {[%emt 0:01:18]} 37. Qd8+ {[%emt 0:00:11]} Kf7 {[%emt 0:01:18]} 38. Qd7+ {[%emt 0:00:09]} Kf6 {[%emt 0:01:26]} 39. g5+ {[%emt 0:03:28]} Kg6 {[%emt 0:00:22]} 40. Qxe6+ {[%emt 0:00:16]} Kxg5 {[%emt 0:00:05]} 41. Qe7+ {[%emt 0:00:28]} Kg6 {[%emt 0:00:14]} 42. Qe6+ {[%emt 0:00:34]} Kh7 {[%emt 0:01:21]} 43. Qf5+ {[%emt 0:00:07]} Kg8 {[%emt 0:01:31]} 44. Qe6+ {[%emt 0:00:13]} Kh7 {[%emt 0:00:07]} 45. Qf5+ {[%emt 0:00:17]} Kg8 {[%emt 0:00:01]} 46. Qe6+ {[%emt 0:00:07] Weighted Error Value: White=0.13 (very precise) /Black=0.15 (very precise)} 1/2-1/2

[Event "13th Chennai Open 2022"]
[Site "Chennai"]
[Date "2022.06.26"]
[Round "10.5"]
[White "Deepan Chakkravarthy J."]
[Black "Rajesh, V A V"]
[Result "1-0"]
[ECO "D85"]
[WhiteElo "2478"]
[BlackElo "2358"]
[Annotator "TA"]
[PlyCount "41"]
[EventDate "2022.06.19"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 12,41,12,7,39,-23,-15,-18,-2,0,0,0,0,0,0,-23,-22,-27,0,18,113,117,258,247,234,235,480,474,464,163,474,-556]} 1. d4 {[%emt 0:05:42]} Nf6 {[%emt 0:00:09]} 2. c4 {[%emt 0:00:03]} g6 {[%emt 0:00:10]} 3. Nc3 {[%emt 0:00:02]} d5 {[%emt 0:00:14]} 4. cxd5 {[%emt 0:00:16]} Nxd5 {[%emt 0:00:07]} 5. e4 {[%emt 0:00:03]} Nxc3 {[%emt 0:00:19]} 6. bxc3 {[%emt 0:00:05]} Bg7 {[%emt 0:00:10]} 7. Qa4+ {[%emt 0:00:16]} Qd7 {[%emt 0:01:33] [#] D85: Exchange Grünfeld: Unusual White 7th moves and lines with 7 Nf3.} 8. Qb4 $146 {[%emt 0:04:24]} ({White should try} 8. Bb5 $14 c6 9. Bd3) ({Predecessor:} 8. Qxd7+ Bxd7 9. Rb1 b6 10. f4 c5 11. Nf3 Bc6 12. Bd3 Nd7 13. Ke2 e6 14. Be3 c4 15. Bc2 Nf6 16. Nd2 b5 {1-0 (50) Carlsen,M (2862)-Vachier Lagrave,M (2784) chess24.com INT 2021}) 8... b6 {[%emt 0:03:06][%cal Oc7c5,Bb7b6,Bb6b5][%mdl 32]} 9. Nf3 {[%emt 0:00:15]} Bb7 {[%emt 0:02:48] The position is equal.} 10. Bb5 {[%emt 0:03:38]} c6 {[%emt 0:04:33][%cal Bc7c6,Bc6c5][%mdl 32]} 11. Bc4 {[%emt 0:10:45]} O-O {[%emt 0:05:46][%cal Oc6c5]} 12. Qb3 {[%emt 0:03:27]} b5 {[%emt 0:05:45]} 13. Rb1 {[%emt 0:00:39]} c5 {[%emt 0:08:53]} 14. d5 {[%emt 0:10:34]} (14. Qxb5 Bxe4 15. Rb2 cxd4 16. Nxd4 (16. cxd4 $2 Nc6 $19) 16... Bxg2 $19) (14. dxc5 $2 bxc4 15. Qxb7 Qd3 $19) 14... a6 {[%emt 0:15:47]} 15. O-O {[%emt 0:01:43][%cal Oa2a4]} Qg4 {[#]} (15... Bc8 $11 {keeps the balance.}) 16. Re1 $1 $16 {[%emt 0:00:30]} Nd7 {This move loses the game for Black.} (16... Qc8 $16) 17. h3 $18 {[%emt 0:00:30]} Qh5 18. Be2 {[%emt 0:00:30] Ng5 is the strong threat.} Nf6 $2 (18... Bf6 {was necessary.} 19. c4 Ne5) 19. Ng5 {[%emt 0:00:30]} Qh4 20. Bf3 {[%emt 0:00:30] [#]} (20. g3 Qh6 21. h4) 20... Nd7 $2 (20... Nh5 {is tougher.}) 21. Nxf7 $4 {[%emt 0:00:30][%mdl 40960] Weighted Error Value: White=0.27 (precise) /Black=0.67. Loss on time!?} 1-0

[Event "13th Chennai Open 2022"]
[Site "Chennai"]
[Date "2022.06.26"]
[Round "10.6"]
[White "Stupak, Kirill"]
[Black "Kunal, M.."]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "2440"]
[BlackElo "2277"]
[Annotator "TA"]
[PlyCount "73"]
[EventDate "2022.06.19"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 13,73,0,2,0,32,17,21,14,2,12,77,72,106,102,103,72,59,68,186,175,187,158,161,147,154,144,210,185,206,193,189,197,197,200,241,238,244,185,195,192,200,182,182,197,192,109,111,101,121,0,380,391,435,437,405,389,622,572,611,622,798,575]} 1. d4 {[%emt 0:00:01]} Nf6 {[%emt 0:00:07]} 2. Bf4 {[%emt 0:00:40]} d5 {[%emt 0:02:38]} 3. e3 {[%emt 0:00:08]} e6 {[%emt 0:03:35]} 4. Nd2 {[%emt 0:01:04]} c5 {[%emt 0:00:33]} 5. c3 {[%emt 0:00:03]} Nc6 {[%emt 0:02:21]} 6. Ngf3 {[%emt 0:00:09]} Bd6 {[%emt 0:00:55] 6...cxd4 gains popularity.} 7. Bg3 {[%emt 0:00:07]} O-O {[%emt 0:00:10]} 8. Bb5 {[%emt 0:00:01] D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4.} Qe7 {[%emt 0:02:27]} 9. Bxc6 {[%emt 0:04:53] Black must now prevent Ba4.} bxc6 {[%emt 0:01:01]} 10. Qa4 {[%emt 0:00:02] The position is equal.} cxd4 {[%emt 0:11:01]} 11. cxd4 {[%emt 0:03:37]} ({Of course not} 11. Qxc6 Bxg3 12. hxg3 Bb7 $17) 11... c5 {[%emt 0:00:55] [#]} (11... Bxg3 $11 {keeps the balance.} 12. hxg3 Rb8) 12. Qa3 $1 $16 {[%emt 0:09:59] [#]} Ne4 $146 {[%emt 0:15:32]} ({Predecessor:} 12... Bxg3 13. hxg3 Nd7 14. Rc1 e5 15. Nxe5 Nxe5 16. dxe5 Qxe5 17. Rxc5 Rb8 18. Qc3 Qxc3 19. bxc3 {1-0 (36) Kurbonboeva,S (2274)-Soham,D (1895) Chennai 2017}) 13. Nxe4 {[%emt 0:07:42]} dxe4 {[%emt 0:01:00]} 14. Bxd6 {[%emt 0:13:32]} Qxd6 {[%emt 0:00:06]} 15. dxc5 {[%emt 0:00:22]} Qe7 {[%emt 0:06:59]} (15... Qa6 $1 $14 16. Qxa6 Bxa6) 16. Nd2 $18 {[%cal Bf3d2,Bd2e4,Be4d6][%mdl 32]} Rd8 {[%emt 0:00:30]} 17. Nxe4 Bb7 {[%emt 0:00:30]} 18. Nd6 {aiming for 0-0.} Bxg2 {[%emt 0:00:30]} 19. Rg1 $36 {[%mdl 2048] White has strong initiative.} Bf3 {[%emt 0:00:30]} (19... Bd5 $16 {was called for.} 20. O-O-O (20. Qc3 g6 $16) 20... Qf6) 20. Qc3 {[%csl Gg1][%cal Rc3g7]} f6 {[%emt 0:00:30]} 21. e4 Bh5 {[%emt 0:00:30]} 22. f3 a5 {[%emt 0:00:30]} 23. O-O-O a4 {[%emt 0:00:30]} 24. Rd4 Qc7 {[%emt 0:00:30]} 25. Rgd1 Rdb8 {[%emt 0:00:30]} 26. Rc4 Qc6 {[%emt 0:00:30]} 27. Rdd4 h6 {[%emt 0:00:30]} 28. Rb4 Rxb4 {[%emt 0:00:30]} 29. Rxb4 (29. Qxb4 $18 Bxf3 30. Rd3) 29... Bxf3 $16 {[%emt 0:00:30]} 30. Rb6 Qc7 {[%emt 0:00:30] [#]} 31. Qb4 {White is more active.} (31. Rb5 $1 $16 Bh5 32. Rb7) 31... Bxe4 {[%emt 0:00:30][%mdl 8192]} 32. Nxe4 $18 ({Less strong is} 32. Qxe4 Qxc5+ 33. Nc4 Re8 $16) 32... Qf4+ {[%emt 0:00:30]} 33. Nd2 Qxh2 {[%emt 0:00:30]} 34. Rxe6 Rc8 {[%emt 0:00:30]} (34... Qg1+ $142 35. Kc2 Rc8) 35. Qc4 {Re8+ would kill now. White is clearly winning.} Kh8 {[%emt 0:00:30]} 36. c6 a3 {[%emt 0:00:30]} 37. bxa3 {Weighted Error Value: White=0.13 (very precise) /Black=0.56} 1-0

[Event "13th Chennai Open 2022"]
[Site "Chennai"]
[Date "2022.06.26"]
[Round "10.7"]
[White "Jubin Jimmy"]
[Black "Ajay Karthikeyan"]
[Result "1/2-1/2"]
[ECO "A39"]
[WhiteElo "2259"]
[BlackElo "2436"]
[Annotator "TA"]
[PlyCount "58"]
[EventDate "2022.06.19"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 17,58,13,27,11,10,3,7,7,9,2,0,0,-2,0,0,0,0,-35,-13,-21,26,4,22,15,16,18,17,14,21,21,21,21,21,0,15,0,21,0,18,0,25,0,17]} 1. d4 {[%emt 0:00:09]} Nf6 {[%emt 0:00:04]} 2. c4 {[%emt 0:00:08]} g6 {[%emt 0:00:03]} 3. g3 {[%emt 0:00:05]} Bg7 {[%emt 0:00:04]} 4. Bg2 {[%emt 0:00:04]} O-O {[%emt 0:00:06]} 5. Nf3 {[%emt 0:00:16][%cal Bg1f3,Bf3d4,Bd4b3,Bb3c5][%mdl 32]} c5 {[%emt 0:00:02]} 6. O-O {[%emt 0:00:22]} cxd4 {[%emt 0:00:11]} 7. Nxd4 {[%emt 0:00:09]} Nc6 {[%emt 0:00:03]} 8. Nc3 {[%emt 0:00:10]} Qa5 {[%emt 0:00:45]} 9. Nb3 {[%emt 0:00:58] 9.e3 is the fancy move.} Qh5 {[%emt 0:00:09]} 10. e4 {[%emt 0:00:58] A39: Symmetrical English vs ...g6: 4 Bg2 Bg7 5 Nf3 Nf6 6 0-0 0-0 7 d4.} d6 {[%emt 0:01:07]} 11. Qxh5 {[%emt 0:00:35]} Nxh5 {[%emt 0:00:28]} 12. c5 {[%emt 0:00:06]} dxc5 {[%emt 0:01:53]} 13. Nxc5 {[%emt 0:00:05]} Rb8 {[%emt 0:00:16]} 14. Be3 {[%emt 0:03:48]} b6 {[%emt 0:03:52]} 15. Nb3 {[%emt 0:00:43]} Ba6 {[%emt 0:07:44]} 16. Rfd1 {[%emt 0:02:30]} Rfd8 {[%emt 0:12:19] [#]} 17. Bf1 $146 {[%emt 0:07:19]} ({Predecessor:} 17. f4 Nb4 18. Rd2 Rxd2 19. Bxd2 e5 20. f5 Rd8 21. Rd1 Bc4 22. Bf1 Bxf1 23. Kxf1 {½-½ (48) Stupak,K (2542)-Bakalchuk,J (2311) Panevezys 2015}) 17... Bxf1 {[%emt 0:04:20]} 18. Kxf1 {[%emt 0:00:11]} Nb4 {[%emt 0:07:57]} (18... Bxc3 $142 19. bxc3 Ne5) 19. Ke2 {[%emt 0:05:10]} Nc2 {[%emt 0:12:40]} 20. Rxd8+ {[%emt 0:07:38]} Rxd8 {[%emt 0:00:07]} 21. Rd1 {[%emt 0:01:51]} Rxd1 22. Nxd1 {[%emt 0:00:30]} Nxe3 23. Kxe3 $11 {[%emt 0:00:30][%mdl 4096] Endgame KBN-KNN} Nf6 24. f3 {[%emt 0:00:30] Against Ng4+} Nd7 25. Nd2 {[%emt 0:00:30]} Nb8 26. Nb3 {[%emt 0:00:30]} Nd7 27. Nd2 {[%emt 0:00:30]} Nb8 28. Nb3 {[%emt 0:00:30]} Nd7 29. Nd2 {[%emt 0:00:30]} Nb8 {A balanced but interesting game.  Weighted Error Value: White=0.10 (very precise) /Black=0.05 (flawless)} 1/2-1/2

[Event "13th Chennai Open 2022"]
[Site "Chennai"]
[Date "2022.06.26"]
[Round "10.8"]
[White "Saravana, Krishnan P."]
[Black "Laxman, R.R."]
[Result "0-1"]
[ECO "C77"]
[WhiteElo "2269"]
[BlackElo "2420"]
[Annotator "TA"]
[PlyCount "36"]
[EventDate "2022.06.19"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 13,36,21,20,22,13,-25,-8,-40,-49,-50,-39,-65,-75,-90,-50,-146,-155,-245,-225,-306,-301,-585,-600,-706,-692]} 1. e4 {[%emt 0:00:30]} e5 {[%emt 0:00:30]} 2. Nf3 {[%emt 0:00:30]} Nc6 {[%emt 0:00:30]} 3. Bb5 {[%emt 0:00:30]} a6 {[%emt 0:00:30]} 4. Ba4 {[%emt 0:00:30]} Nf6 {[%emt 0:00:30]} 5. d3 {[%emt 0:00:30]} Bc5 {[%emt 0:00:30]} 6. c3 {[%emt 0:00:30]} b5 {[%emt 0:00:30]} 7. Bb3 {[%emt 0:00:30] 7.Bb3 is better than 7.Bc2.} d6 {[%emt 0:00:30]} 8. Bg5 {[%emt 0:00:30] C77: Ruy Lopez: 3...a6 4 Ba4 Nf6, unusual lines.} h6 {[%emt 0:00:30]} 9. Bxf6 {[%emt 0:00:30]} Qxf6 {[%emt 0:00:30]} 10. Bd5 {[%emt 0:00:30] The position is equal.} Bd7 {[%emt 0:00:30]} 11. O-O {[%emt 0:00:30] [#]} Rd8 $146 {[%emt 0:00:30]} ({Predecessor:} 11... Rb8 12. Nbd2 Ne7 13. Bb3 O-O 14. a4 Ng6 15. axb5 axb5 16. Bc2 Nf4 17. Nb3 Bh3 {0-1 (58) Lampl,G-Virzi,E Ceriano Laghetto 2003}) 12. d4 {[%emt 0:00:30]} Bb6 {[%emt 0:00:30]} 13. dxe5 {[%emt 0:00:30]} dxe5 {[%emt 0:00:30] Hoping for ...Ne7.} 14. Nbd2 {[%emt 0:00:30]} (14. Bxc6 $15 Bxc6 15. Qc2) 14... Ne7 $17 {[%emt 0:00:30][%cal Bc6e7,Be7g6,Bg6f4][%mdl 32] Black is more active.} 15. Qc1 {[%emt 0:00:30]} (15. Bb7 $17) 15... Ng6 $19 {[%emt 0:00:30]} 16. Bb3 {[%emt 0:00:30]} Nf4 {[%emt 0:00:30]} 17. Bd1 $2 {[%emt 0:00:30] [#]} (17. Kh1) 17... Bh3 $1 {[%emt 0:00:30][%mdl 512]} 18. Ne1 {[%emt 0:00:30] [#]} (18. g3 Nd3) 18... Bxg2 $1 {[%emt 0:00:30][%mdl 512] White got outplayed after the opening.  Weighted Error Value: White=0.67/Black=0.01 (flawless)} 0-1

[Event "13th Chennai Open 2022"]
[Site "Chennai"]
[Date "2022.06.26"]
[Round "10.9"]
[White "Prasannaa.s"]
[Black "Nguyen, Duc Hoa"]
[Result "0-1"]
[ECO "B22"]
[WhiteElo "2164"]
[BlackElo "2398"]
[Annotator "TA"]
[PlyCount "112"]
[EventDate "2022.06.19"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 14,111,8,0,26,-3,41,0,0,0,0,0,0,-10,0,-16,-16,-8,-17,-61,-49,-51,-39,-69,-84,-75,-70,-159,-129,-136,-149,-145,-119,-168,-164,-167,-140,-149,-143,-164,-147,-205,-178,-311,-305,-307,-307,-278,-257,-256,-251,-256,-256,-283,-283,-289,-233,-248,-183,-183,-188,-187,-187,-202,-168,-160,-175,-314,-314,-314,-305,-348,-179,-562,-561,-826,-787,-1006,-831,-833,-832,-823,-808,-741,-725,-741,-640,-690,-698,-1006,-975,-1013,-1001,-29992,-29993,-29994,-29995,-29995,-29996,-29999]} 1. e4 {[%emt 0:04:04]} c5 {[%emt 0:00:08]} 2. c3 {[%emt 0:00:08]} Nf6 {[%emt 0:02:25]} 3. e5 {[%emt 0:00:07]} Nd5 {[%emt 0:00:04]} 4. d4 {[%emt 0:00:03]} cxd4 {[%emt 0:00:13]} 5. Nf3 {[%emt 0:00:08]} d6 {[%emt 0:00:28]} 6. cxd4 {[%emt 0:00:19]} Nc6 {[%emt 0:01:03]} 7. Bc4 {[%emt 0:00:18]} Nb6 {[%emt 0:01:13]} 8. Bb5 {[%emt 0:00:08]} e6 {[%emt 0:01:06] B22: Sicilian: 2 c3.} 9. Nc3 {[%emt 0:00:08]} Be7 {[%emt 0:01:08] Inhibits Bg5.} 10. exd6 {[%emt 0:01:20]} Qxd6 {[%emt 0:00:24] The position is equal.} 11. O-O {[%emt 0:00:31]} O-O {[%emt 0:00:54]} 12. Be3 {[%emt 0:02:49]} Bd7 {[%emt 0:05:47] [#]} 13. a3 $146 {[%emt 0:02:39]} ({Predecessor:} 13. Qd2 Nd5 14. Nxd5 Qxd5 15. Bd3 Nb4 16. Bb1 Bb5 17. Rc1 Rac8 18. a3 Rxc1+ 19. Qxc1 {1-0 (60) Bulsoev,A (1828)-Isfandiyarli,K (1597) St Petersburg 2018}) 13... Nd5 {[%emt 0:02:12]} 14. Qd3 {[%emt 0:03:00]} Nxc3 {[%emt 0:10:01]} 15. bxc3 {[%emt 0:00:35]} Na5 {[%emt 0:02:22]} 16. Ne5 {[%emt 0:01:45]} Bxb5 {[%emt 0:00:44]} 17. Qxb5 {[%emt 0:00:04]} Qd5 {[%emt 0:00:25]} 18. Rfb1 {[%emt 0:02:49]} Qxb5 {[%emt 0:05:12] White is now going downhill.} 19. Rxb5 {[%emt 0:00:13]} b6 {[%emt 0:00:18]} 20. c4 {[%emt 0:04:11] [#]} ({White should play} 20. a4 $15) 20... f6 $1 $17 {[%emt 0:02:21]} 21. Rxa5 {[%emt 0:00:09]} bxa5 {[%emt 0:00:06]} 22. Nc6 {[%emt 0:00:04]} Kf7 {[%emt 0:02:17]} 23. a4 {[%emt 0:01:44]} (23. Nxa5 $17 {might work better.} Rfc8 24. g3) 23... Bb4 {[%emt 0:04:29]} 24. Kf1 {[%emt 0:02:05]} a6 {[%emt 0:00:46]} 25. Ke2 {[%emt 0:01:02]} Ke8 {[%emt 0:00:33]} 26. Kd3 {[%emt 0:03:02]} Kd7 {[%emt 0:00:20]} 27. d5 {[%emt 0:00:07]} (27. Nxb4 $17 {keeps fighting.} axb4 28. a5) 27... Rfe8 {[%emt 0:02:12]} 28. g4 {[%emt 0:01:44]} (28. Rc1 {was necessary.}) 28... exd5 $19 {[%emt 0:02:43]} 29. cxd5 {[%emt 0:00:28]} Kd6 {[%emt 0:00:07]} 30. Rb1 Kxd5 {[%emt 0:00:30]} 31. Nxb4+ axb4 {[%emt 0:00:30]} 32. Rxb4 {[%mdl 4096] Endgame KRR-KRB} Rab8 {[%emt 0:00:30] Against Rb7} 33. Bb6 Re1 {[%emt 0:00:30]} 34. a5 Rc8 {[%emt 0:00:30]} 35. Be3 Rd1+ {[%emt 0:00:30]} 36. Ke2 Ra1 {[%emt 0:00:30]} 37. Rb7 g5 {[%emt 0:00:30]} 38. Bb6 Ke4 {[%emt 0:00:30][%cal Rc8c2] [#]} 39. Re7+ Kf4 {[%emt 0:00:30]} 40. Rxh7 (40. h3 {was the only defense.} Rc2+ 41. Kd3) 40... Kxg4 {[%emt 0:00:30]} 41. h3+ Kf4 {[%emt 0:00:30]} 42. Ra7 f5 {[%emt 0:00:30]} (42... Rc2+ $142 43. Kd3 Rc6) 43. Rxa6 $2 (43. Be3+ {is a better chance.} Ke5 44. Bxg5) 43... Ke4 {[%emt 0:00:30][%cal Rc8c2]} 44. Be3 f4 {[%emt 0:00:30] ( -> ...Rc2+)} 45. f3+ Kd5 {[%emt 0:00:30]} 46. Bd2 Re8+ {[%emt 0:00:30]} 47. Kd3 Ra3+ {[%emt 0:00:30]} 48. Kc2 Re2 {[%emt 0:00:30] aiming for ...Ra2+.} 49. Ra8 Kc6 {[%emt 0:00:30] Hoping for ...Ra2+.} 50. Kd1 Rh2 {[%emt 0:00:30] And now ...Ra1+ would win.} 51. Rg8 Ra1+ {[%emt 0:00:30]} 52. Bc1 Raa2 {[%emt 0:00:30][%cal Rh2h1]} 53. Rg6+ Kd7 {[%emt 0:00:30][%cal Rh2h1] Black mates.} 54. Bd2 Raxd2+ {[%emt 0:00:30]} 55. Ke1 Ra2 {[%emt 0:00:30][%cal Rh2h1]} 56. Rxg5 Ra1# {[%emt 0:00:30] Weighted Error Value: White=0.59/Black=0.14 (very precise)} 0-1

[Event "13th Chennai Open 2022"]
[Site "Chennai"]
[Date "2022.06.26"]
[Round "10.10"]
[White "Hari Madhavan N B"]
[Black "Baghdasaryan, Vahe"]
[Result "1-0"]
[ECO "D10"]
[WhiteElo "2374"]
[BlackElo "2267"]
[Annotator "TA"]
[PlyCount "73"]
[EventDate "2022.06.19"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 13,73,7,7,8,13,6,11,16,2,16,10,18,25,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-12,-26,-11,-27,-13,-13,-82,-79,-78,-73,-78,0,-10,111,100,119,22,63,42,172,16,24,49,20,0,3256,0,29998,-100,495,453,2098,1997]} 1. d4 {[%emt 0:00:06]} d5 {[%emt 0:01:11]} 2. c4 {[%emt 0:00:03]} c6 {[%emt 0:00:08]} 3. cxd5 {[%emt 0:00:06]} cxd5 {[%emt 0:00:04]} 4. Nc3 {[%emt 0:00:05]} Nf6 {[%emt 0:00:04]} 5. Bf4 {[%emt 0:00:12]} Nc6 {[%emt 0:00:11]} 6. e3 {[%emt 0:00:07]} Bf5 {[%emt 0:00:50]} 7. Qb3 {[%emt 0:02:34]} Na5 {[%emt 0:05:30]} 8. Qa4+ {[%emt 0:00:06] D10: Slav Defence: 3 cxd5 (without early Nf3) and 3 Nc3.} Bd7 {[%emt 0:00:06]} 9. Qc2 {[%emt 0:07:03]} e6 {[%emt 0:00:31]} 10. Bd3 {[%emt 0:03:45] The position is equal.} Rc8 {[%emt 0:00:32]} 11. Nf3 {[%emt 0:06:59]} Bb4 {[%emt 0:01:28][%cal Of6e4] is recently more successful than 11...Be7.} 12. O-O {[%emt 0:00:09]} Nh5 {[%emt 0:05:27]} 13. Be5 {[%emt 0:00:22]} (13. Bg5 $5 {[%cal Rg5d8]} Nf6 14. Bxh7 $1 $14) 13... f6 {[%emt 0:06:34] [#]} 14. Bxh7 $146 {[%emt 0:14:50]} ({Predecessor:} 14. Bg3 Nxg3 15. hxg3 Nc4 16. a3 Bxc3 17. bxc3 Nd6 18. a4 g6 19. Nd2 O-O 20. Rfc1 {½-½ (66) Nakamura,H (2736)-Caruana,F (2835) chess24.com INT 2020}) 14... fxe5 {[%emt 0:01:09]} 15. Qg6+ {[%emt 0:01:22]} Kf8 {[%emt 0:00:10]} 16. Qxh5 {[%emt 0:01:02]} ({Avoid the trap} 16. Nxe5 $2 Be8 17. Qc2 (17. Qxe6 $2 Rxh7 18. Nxd5 Bd6 $19) 17... Nc4 18. Nxc4 Rxc4 $19) 16... Be8 {[%emt 0:00:21]} 17. Qh3 {[%emt 0:01:58] Strongly threatening Ne2.} Bxc3 18. bxc3 {[%emt 0:00:30]} Bg6 19. Qxe6 {[%emt 0:00:30]} Bxh7 20. Ng5 $40 {[%emt 0:00:30][%csl Gg5][%cal Re6f7][%mdl 128] White has some attack.} Rc7 {Inhibits Qf7+.} 21. Qxe5 {[%emt 0:00:30] Hoping for Ne6+.} Bg8 22. Qf4+ {[%emt 0:00:30]} Ke8 23. e4 {[%emt 0:00:30] And now Rae1 would win.} Nc4 24. Qg3 {[%emt 0:00:30]} (24. Rae1 $11 Qd6 25. e5 (25. exd5+ Kd8 $17)) 24... Rh5 $17 25. h4 {[%emt 0:00:30]} dxe4 26. Rfe1 {[%emt 0:00:30]} e3 (26... Nd6 $1 $17) 27. fxe3 $11 {[%emt 0:00:30]} Rc6 (27... Qd6 $11 28. Qg4 Rh6) 28. Rf1 $1 $16 {[%emt 0:00:30][%cal Og5e6][%mdl 1024] White has strong compensation.} Rhh6 {[#] Prevents Ne6.} 29. e4 {[%emt 0:00:30]} ({Better is} 29. Ne6 $1 $16 {[%mdl 512] Rf8+ would kill now.} Rhxe6 30. Qxg7) 29... Qc7 $11 30. e5 {[%emt 0:00:30] Black must now prevent Rf4. Dancing on a razor blade.} Rhf6 {[#]} 31. Ne4 $2 {[%emt 0:00:30]} (31. Qd3 $1 $18 Rxf1+ 32. Rxf1) 31... Rxf1+ 32. Rxf1 {[%emt 0:00:30][%cal Oe4f6] Threatens to win with Nf6+!} Bd5 33. Qf4 {[%emt 0:00:30] aiming for Qf8+.} Rh6 $2 {[%mdl 8192]} (33... Qe7 $11 34. Rf2 Rb6) 34. Nd6+ $2 {[%emt 0:00:30]} (34. Qf8+ $18 Kd7 35. Qxg7+ Kc6 36. Qxh6+ Kb5 37. Rb1+ Ka5 {[#]} 38. Qf8 $1) 34... Kd8 $2 {[%mdl 8192]} (34... Nxd6 $11 35. Qf8+ Kd7 36. Qxg7+ (36. exd6 Qxd6 37. Qxg7+ Kc6 $15) 36... Nf7 37. Rxf7+ Bxf7 38. Qxh6 (38. Qxf7+ Kc6 $17) 38... Bxa2) 35. h5 $2 {[%emt 0:00:30]} (35. Qf8+ {mates} Kd7 36. Qe8#) 35... Rh8 $2 {[%mdl 8192]} (35... Nxd6 $17 {keeps the pressure on.} 36. exd6 Qxd6 37. Qg5+ Ke8) 36. h6 $18 {[%emt 0:00:30]} Nxd6 (36... Qe7 $142 37. Nf7+ Qxf7 38. Qxf7 Bxf7) 37. exd6 {[%emt 0:00:30] Weighted Error Value: White=0.48/Black=0.52} 1-0

[Event "13th Chennai Open 2022"]
[Site "Chennai"]
[Date "2022.06.26"]
[Round "10.11"]
[White "Vignesh B"]
[Black "Karthikeyan, P.."]
[Result "0-1"]
[ECO "A34"]
[WhiteElo "2072"]
[BlackElo "2361"]
[Annotator "TA"]
[PlyCount "100"]
[EventDate "2022.06.19"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 9,99,-16,14,17,27,23,9,8,9,9,14,10,14,0,13,15,10,0,0,0,0,0,0,0,0,0,15,0,0,-21,-17,-17,0,-11,0,-16,0,-22,-14,-12,-26,-50,-12,-13,0,0,0,0,0,-19,-11,-25,0,-7,0,0,0,0,0,0,0,-16,147,159,175,87,189,0,0,0,0,-105,-86,-311,-256,-235,0,-536,-515,-716,-406,-514,-482,-29976,-29977,-29991,-29992,-29996,-29997,-29997,-29998,-29999]} 1. e4 {[%emt 0:03:25]} c5 {[%emt 0:01:11]} 2. Nf3 {[%emt 0:00:07]} e6 {[%emt 0:00:49]} 3. c4 {[%emt 0:00:44]} Nc6 {[%emt 0:01:50]} 4. Nc3 {[%emt 0:08:12]} Nf6 {[%emt 0:03:29]} 5. h3 {[%emt 0:01:38]} Qc7 {[%emt 0:00:40]} 6. Be2 {[%emt 0:00:30] A34: Symmetrical English: 2 Nc3, lines with ...d5.} a6 {[%emt 0:00:31]} 7. O-O {[%emt 0:00:33]} b6 {[%emt 0:06:46]} 8. Re1 {[%emt 0:12:28] The position is equal.} Bd6 {[%emt 0:02:32]} 9. d3 {[%emt 0:02:35]} Bb7 {[%emt 0:03:13]} 10. Be3 {[%emt 0:00:52]} O-O {[%emt 0:06:21] [#]} 11. Rc1 $146 {[%emt 0:02:19]} ({Predecessor:} 11. a3 h6 12. Rc1 Ne7 13. Bf1 Rad8 14. b4 Ng6 15. Na4 Rb8 16. Qd2 Rfe8 17. bxc5 bxc5 {½-½ (56) Gerard,A (1979)-Durandal,J (2028) ICCF email 2015}) 11... Ne7 {[%emt 0:02:35]} 12. Qc2 {[%emt 0:10:03]} Ng6 {[%emt 0:01:08]} 13. d4 {[%emt 0:16:49]} cxd4 {[%emt 0:01:54]} 14. Bxd4 {[%emt 0:02:22]} Bf4 {[%emt 0:06:12]} 15. Rcd1 {[%emt 0:03:43]} e5 {[%emt 0:00:15]} 16. Be3 {[%emt 0:00:40]} Bxe3 {[%emt 0:00:20]} 17. fxe3 {[%emt 0:00:05]} Qc5 {[%emt 0:07:23]} 18. Bf1 {[%emt 0:00:10]} Bc6 {[%emt 0:00:52]} 19. Nd5 {[%emt 0:12:14]} Bxd5 {[%emt 0:02:21]} 20. exd5 {[%emt 0:00:03]} d6 {[%emt 0:01:20]} 21. a3 {[%emt 0:03:35]} a5 {[%emt 0:01:37]} 22. Qa4 {[%emt 0:04:45]} Rfc8 {[%emt 0:04:05]} 23. Kh2 {[%emt 0:00:55]} Qc7 {[%emt 0:06:30]} 24. Rc1 {[%emt 0:05:58]} Nd7 {[%emt 0:03:04]} 25. Qd1 {[%emt 0:01:33]} a4 {[%emt 0:00:28]} (25... e4 $5 {[%cal Re4f3]} 26. Nd4 Nge5 $15) 26. Bd3 {[%emt 0:00:07]} Ngf8 {[%emt 0:04:49]} 27. Rf1 {[%emt 0:02:07]} Qd8 {[%emt 0:00:48]} 28. Bc2 {[%emt 0:01:16]} Nc5 {[%emt 0:01:39]} 29. Qe1 {[%emt 0:00:53]} Rc7 {[%emt 0:04:01]} 30. Qg3 {[%emt 0:01:00]} h6 {[%emt 0:00:47]} 31. Rf2 {[%emt 0:03:05]} b5 {[%emt 0:01:45]} 32. cxb5 {[%emt 0:00:01]} Ne4 {[%emt 0:00:40]} 33. Bxe4 {[%emt 0:00:05]} Rxc1 {[%emt 0:00:06]} 34. Nh4 $1 {[%emt 0:00:37]} Qg5 {[%emt 0:02:11]} 35. Qf3 {[%emt 0:01:54]} f6 {[%emt 0:15:27]} (35... Rc7 $11 36. Nf5 Qf6) 36. Nf5 $16 {[%emt 0:00:02]} h5 {[%emt 0:00:01][%cal Bh6h5,Bh5h4][%mdl 32]} 37. Nxd6 {[%emt 0:00:48]} (37. g3 $1 $18) 37... Rb8 {[%emt 0:00:29]} (37... h4 $16) 38. Qe2 $2 {[%emt 0:00:43]} (38. Rc2 $18 Rxc2 39. Bxc2) 38... h4 $1 $11 {[%emt 0:00:45][%csl Gh4][%cal Rg5g3] Chess con chili.} 39. Rf3 {[%emt 0:00:31] Against Qg3+. Hoping for Qd2.} g6 $1 {[%emt 0:00:37]} 40. Bc2 {[%emt 0:00:31]} (40. Qd2 $11 Rc7 41. g4) 40... f5 {[%emt 0:03:15] White must now prevent ...e4.} 41. Bxf5 {[%emt 0:00:16]} gxf5 $19 {[%emt 0:00:30]} 42. Nxf5 {[%emt 0:00:02] [#]} Ng6 $2 {[%emt 0:00:41]} ({Black should play} 42... Rbc8 $1 $19 {[%cal Rc8c2] Threatens to win with ...R8c2.} 43. Rf2 Nd7) 43. d6 $2 {[%emt 0:00:30][%mdl 8192] [#]} (43. Qd3 $1 $11) 43... e4 $1 {[%emt 0:00:57]} 44. Rf2 {[%emt 0:00:01]} Rf8 {[%emt 0:00:37]} 45. d7 {[%emt 0:01:34] Qd2 is the strong threat.} Ne5 {[%emt 0:02:29]} ({Not} 45... Rxf5 46. Qg4 Qxg4 47. d8=Q+ Kg7 48. hxg4 $11) 46. Nh6+ {[%emt 0:00:36]} (46. b6 $19 Nd3 47. Rf1 Rxf1 48. Qxf1) 46... Qxh6 {[%emt 0:00:43] Black mates.} 47. Rxf8+ {[%emt 0:00:03]} Qxf8 {[%emt 0:00:12]} 48. Qd2 {[%emt 0:00:01] [#]} Ng4+ $1 {[%emt 0:00:53]} 49. hxg4 {[%emt 0:00:04]} Qb8+ {[%emt 0:00:05]} 50. Kh3 {[%emt 0:00:09]} Qg3# {[%emt 0:00:02] Weighted Error Value: White=0.56/Black=0.24 (precise)} 0-1

[Event "13th Chennai Open 2022"]
[Site "Chennai"]
[Date "2022.06.26"]
[Round "10.12"]
[White "Daakshin Arun"]
[Black "Konguvel, Ponnuswamy"]
[Result "1/2-1/2"]
[ECO "E61"]
[WhiteElo "2016"]
[BlackElo "2331"]
[Annotator "TA"]
[PlyCount "60"]
[EventDate "2022.06.19"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 15,60,7,47,0,35,6,6,0,-15,-14,9,4,57,54,59,0,0,0,0,0,27,28,40,0,0,0,0,0,0,0,0,0,2,0,0,0,0,0,0,0,0,0,0,0,-4,-166,0]} 1. d4 {[%emt 0:00:03]} Nf6 {[%emt 0:00:17]} 2. c4 {[%emt 0:00:06]} g6 {[%emt 0:00:17]} 3. Nc3 {[%emt 0:00:06]} Bg7 {[%emt 0:00:21]} 4. Nf3 {[%emt 0:00:08]} O-O {[%emt 0:00:24]} 5. Bg5 {[%emt 0:00:05]} d6 {[%emt 0:01:53]} 6. e3 {[%emt 0:00:07]} h6 {[%emt 0:03:31]} 7. Bh4 {[%emt 0:00:07]} c5 {[%emt 0:00:54]} 8. d5 {[%emt 0:00:18]} a6 {[%emt 0:06:39][%cal Ob7b5]} 9. Be2 {[%emt 0:07:59] E61: King's Indian: Early deviations for White, including Smyslov System.} (9. Nd2 $14) 9... Nbd7 {[%emt 0:04:56][%cal Ob7b5]} 10. Qc2 {[%emt 0:02:18] [#]} b5 $146 {[%emt 0:30:30]} ({Predecessor:} 10... Rb8 11. a4 Qa5 12. O-O Re8 13. Rfe1 Nf8 14. e4 g5 15. Bg3 Ng6 16. e5 Nh5 {1-0 (32) Ovezdurdiyeva,J (2061)-Nurmanova,A (2026) Chess.com INT 2020}) 11. cxb5 {[%emt 0:01:37] The position is equal.} Qa5 {[%emt 0:03:15] aiming for ...Nxd5.} 12. O-O {[%emt 0:02:05]} axb5 {[%emt 0:00:42]} 13. Bxb5 {[%emt 0:03:32]} Nb6 {[%emt 0:01:26]} ({Better is} 13... Ba6 $11 14. Bxf6 Nxf6 15. Bxa6 Qxa6) 14. Bc6 $14 {[%emt 0:10:39]} Rb8 {[%emt 0:03:48]} 15. Nd2 {[%emt 0:03:47] Inhibits Nc4.} (15. a4 $1 $14) 15... Bb7 $11 {[%emt 0:07:24]} 16. Bxb7 {[%emt 0:04:04]} Rxb7 {[%emt 0:00:02]} 17. e4 {[%emt 0:05:03]} g5 {[%emt 0:03:33]} 18. Bg3 {[%emt 0:00:50]} Nh5 {[%emt 0:00:06]} 19. Rfb1 {[%emt 0:02:48]} Ra8 {[%emt 0:00:48]} 20. a4 {[%emt 0:05:33]} Nxg3 {[%emt 0:08:18]} 21. hxg3 {[%emt 0:00:07]} Qb4 {[%emt 0:07:19]} 22. Rd1 {[%emt 0:11:28]} Rba7 {[%emt 0:04:05][%cal Rb6a4]} 23. Ra2 {[%emt 0:04:19]} Nc4 {[%emt 0:02:04]} 24. Nxc4 {[%emt 0:05:23]} Qxc4 {[%emt 0:00:02]} 25. Rda1 {[%emt 0:01:35]} Ra5 {[%emt 0:00:03]} 26. Ra3 {[%emt 0:00:53]} Rb8 {[%emt 0:00:05]} 27. Qd2 {[%emt 0:01:41]} Rb4 {[%emt 0:00:38]} 28. Qc2 {[%emt 0:02:31]} Be5 {[%emt 0:01:40]} 29. Kh1 {[%emt 0:01:54]} Kg7 {[%emt 0:00:32]} 30. R1a2 $2 {[%emt 0:01:56] [#]} (30. Kg1 $11 {and White has nothing to worry.}) 30... Kg8 $2 {[%emt 0:04:23] Weighted Error Value: White=0.25 (precise) /Black=0.09 (flawless)} (30... f5 $1 $19 31. Kh2 fxe4) 1/2-1/2

[Event "13th Chennai Open 2022"]
[Site "Chennai"]
[Date "2022.06.26"]
[Round "10.13"]
[White "Pawar, Harshit"]
[Black "Aaryan Varshney"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "1961"]
[BlackElo "2308"]
[Annotator "TA"]
[PlyCount "63"]
[EventDate "2022.06.19"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 15,63,52,51,41,0,-21,-23,-29,-36,-22,-16,-45,-21,-63,-40,-68,-56,-69,-59,-71,-68,-72,-60,-68,-47,-34,35,26,48,4,4,4,3,0,9,14,17,19,10,0,2,12,18,0,15,0,19,0,15,0]} 1. d4 {[%emt 0:00:07]} Nf6 {[%emt 0:00:07]} 2. g3 {[%emt 0:00:04]} d5 {[%emt 0:00:24]} 3. Bg2 {[%emt 0:00:02]} c5 {[%emt 0:00:24]} 4. Nf3 {[%emt 0:00:10]} cxd4 {[%emt 0:11:44]} 5. O-O {[%emt 0:00:02]} Nc6 {[%emt 0:00:28]} 6. Nxd4 {[%emt 0:00:02]} e5 {[%emt 0:00:30]} 7. Nxc6 {[%emt 0:00:03]} bxc6 {[%emt 0:00:07]} 8. c4 {[%emt 0:00:04]} Be6 {[%emt 0:00:16]} 9. Nc3 {[%emt 0:01:40] D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4.} Rc8 {[%emt 0:00:24]} 10. Qa4 {[%emt 0:04:57] [#] cxd5 is the strong threat.} d4 {[%emt 0:01:36]} 11. Ne4 {[%emt 1:28:49] Black has an edge.} Nxe4 {[%emt 0:00:32]} 12. Bxe4 {[%emt 0:00:00]} Qd7 {[%emt 0:00:59] [#]} 13. Bg2 $146 {[%emt 0:00:00]} ({Predecessor:} 13. f4 f5 14. Bg2 e4 15. b3 c5 16. Qxd7+ Bxd7 17. e3 Be7 18. Bb2 Bf6 19. Rfd1 {½-½ (77) Adly,A (2615)-Thybo,J (2590) Chess.com INT 2020}) 13... c5 {[%emt 0:06:51]} 14. Qa6 {[%emt 0:00:00]} Bd6 {[%emt 0:04:10]} 15. Bd2 {[%emt 0:00:00]} O-O {[%emt 0:01:20]} 16. b3 {[%emt 0:00:00]} f5 {[%emt 0:09:16]} 17. Rad1 {[%emt 0:00:00]} e4 {[%emt 0:03:30]} 18. e3 {[%emt 0:00:00]} Rc6 {[%emt 0:02:17]} 19. Qa3 {[%emt 0:00:00]} Qb7 {[%emt 0:08:15]} 20. Qc1 {[%emt 0:00:00]} Rcc8 {[%emt 0:06:32] [#]} (20... Bf7 $15) 21. Bc3 $1 {[%emt 0:00:00]} Bxg3 {[%emt 0:04:12] And now ...Bb8 would win.} (21... f4 22. exd4) 22. hxg3 {[%emt 0:00:00]} dxc3 {[%emt 0:00:07] The position is equal.} 23. Qxc3 {[%emt 0:00:00]} Qc7 {[%emt 0:00:29] Inhibits Rd6.} 24. Rd2 {[%emt 0:00:00]} Rfd8 {[%emt 0:00:48]} 25. Rfd1 {[%emt 0:00:00]} Rxd2 {[%emt 0:01:16]} 26. Qxd2 {[%emt 0:00:00]} Kf7 {[%emt 0:00:53]} 27. Bh3 {[%emt 0:00:00]} Ke7 {[%emt 0:01:46]} 28. Qc3 {[%emt 0:00:00]} Kf7 {[%emt 0:00:58]} 29. Qd2 {[%emt 0:00:00]} Ke7 {[%emt 0:17:29]} 30. Qc3 {[%emt 0:00:00]} Kf7 {[%emt 0:02:03]} 31. Qd2 {[%emt 0:00:00]} Ke7 {[%emt 0:02:02]} 32. Qc3 {[%emt 0:00:00] Weighted Error Value: White=0.12 (very precise) /Black=0.09 (flawless)} 1/2-1/2

[Event "13th Chennai Open 2022"]
[Site "Chennai"]
[Date "2022.06.26"]
[Round "10.14"]
[White "Tran, Tuan Minh"]
[Black "Jani Kushal R"]
[Result "1-0"]
[ECO "E61"]
[WhiteElo "2533"]
[BlackElo "1800"]
[Annotator "TA"]
[PlyCount "67"]
[EventDate "2022.06.19"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 18,67,12,33,20,15,33,0,0,-7,0,6,10,8,8,12,18,0,6,28,91,54,95,110,104,102,241,235,304,300,289,299,312,310,316,329,958,1021,1008,1009,1104,1066,868,1045,1067,1026,991,783,783,783,783,783]} 1. c4 {[%emt 0:00:20]} Nf6 {[%emt 0:00:19]} 2. Nc3 {[%emt 0:00:05]} g6 {[%emt 0:00:06]} 3. g3 {[%emt 0:00:07]} Bg7 {[%emt 0:00:08]} 4. Bg2 {[%emt 0:00:03]} O-O {[%emt 0:00:10]} 5. e3 {[%emt 0:00:16]} c5 {[%emt 0:03:20]} 6. Nge2 {[%emt 0:00:31]} Nc6 {[%emt 0:02:12]} 7. O-O {[%emt 0:00:05]} d6 {[%emt 0:01:31]} 8. d4 {[%emt 0:00:22]} Bg4 {[%emt 0:02:25] Recently 8...Bd7 got a lot of attention.} 9. h3 {[%emt 0:00:15]} cxd4 {[%emt 0:00:26]} 10. exd4 {[%emt 0:00:08]} Bxe2 {[%emt 0:02:01] E61: King's Indian: Early deviations for White, including Smyslov System.} 11. Nxe2 {[%emt 0:00:04]} d5 {[%emt 0:02:02]} 12. cxd5 {[%emt 0:07:34]} Nxd5 {[%emt 0:02:24] The position is equal.} 13. Qb3 {[%emt 0:00:04]} Nb6 {[%emt 0:05:59]} 14. d5 {[%emt 0:04:12]} Na5 {[%emt 0:01:09]} 15. Qf3 {[%emt 0:01:23]} Nac4 {[%emt 0:03:28]} 16. Rb1 {[%emt 0:00:19][%cal Ba1b1,Bb1c1,Bc1c4][%mdl 32] [#]} Rc8 $146 {[%emt 0:02:13]} ({Predecessor:} 16... Ne5 17. Qb3 Qd7 18. Rd1 Qf5 19. Bf4 Nec4 20. Nc3 Rac8 21. d6 Nxd6 22. Bxd6 exd6 23. Bxb7 Rb8 24. Bg2 d5 25. Nxd5 {½-½ (25) Valderrama Quiceno,E (2423)-Escobar Medina,A (2296) Sitges 2019}) 17. b3 {[%emt 0:01:10]} Ne5 {[%emt 0:07:56]} 18. Qe4 {[%emt 0:00:06]} Nbd7 {[%emt 0:00:16]} (18... f5 $11 {keeps the balance.} 19. Qb4 Nd3) 19. Ba3 {[%emt 0:06:58]} Nc5 {[%emt 0:01:34]} 20. Qe3 {[%emt 0:00:06]} Qb6 {[%emt 0:09:48]} 21. Rbc1 {[%emt 0:03:37]} Ned3 {[%emt 0:02:01] [#] A mistake that costs the game.} (21... Ned7 $16) 22. Rc4 $1 $18 {[%emt 0:00:05]} (22. Qxe7 Rfe8 23. Bxc5 Rxe7 24. Bxb6 Nxc1 25. Nxc1 axb6 $19) 22... Qa6 {[%emt 0:09:59]} 23. Bxc5 {[%emt 0:06:37]} (23. Rxc5 Nxc5 24. Bxc5 Rxc5 25. Qxc5 Qxe2 $14) 23... Nxc5 {[%emt 0:00:24]} 24. Rfc1 {[%emt 0:00:18]} (24. Rxc5 Rxc5 25. Qxc5 Qxe2 $14) ({Not} 24. Qxe7 Rfe8 25. Qh4 (25. Rxc5 Rxe7 26. Rxc8+ Bf8 $15) 25... Rxe2 $15) 24... b6 {[%emt 0:00:34]} 25. b4 {[%emt 0:00:13][%cal Bb3b4,Bb4b5][%mdl 32]} (25. Qxe7 $2 Rce8 26. Qg5 Rxe2 $19) 25... Bb2 {[%emt 0:09:20]} 26. R1c2 {[%emt 0:00:28]} ({Less strong is} 26. bxc5 Bxc1 27. Rxc1 bxc5 $16) 26... Na4 $2 {[%emt 0:00:11]} (26... Bf6 27. bxc5 Rxc5) 27. Rxc8 {[%emt 0:01:02] White is clearly winning.} Rxc8 {[%emt 0:00:12]} 28. b5 {[%emt 0:00:02]} Qb7 {[%emt 0:05:18] [#]} 29. d6 $1 {[%emt 0:00:06]} exd6 {[%emt 0:00:53]} 30. Bxb7 {[%emt 0:00:15]} Rxc2 {[%emt 0:00:04]} 31. Bd5 {[%emt 0:00:46] Intending Qe8+ and mate.} Rc7 {[%emt 0:00:43]} 32. Qb3 {[%emt 0:00:18]} Nc3 {[%emt 0:00:09]} 33. Bxf7+ {[%emt 0:00:37]} Rxf7 {[%emt 0:00:06]} 34. Nxc3 {[%emt 0:00:10] Weighted Error Value: White=0.08 (flawless) /Black=0.27 (precise)} 1-0

[Event "13th Chennai Open 2022"]
[Site "Chennai"]
[Date "2022.06.26"]
[Round "10.15"]
[White "Srijit Paul"]
[Black "Sarthak Rawat"]
[Result "1-0"]
[ECO "B36"]
[WhiteElo "2399"]
[BlackElo "1798"]
[Annotator "TA"]
[PlyCount "73"]
[EventDate "2022.06.19"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 24,73,52,45,48,40,85,85,85,82,96,93,95,100,97,98,96,93,97,60,60,60,62,46,46,46,64,62,117,102,103,103,97,95,98,99,96,93,95,98,188,187,139,156,254,139,847,757,1010,983,961,947]} 1. e4 {[%emt 0:09:18]} c5 {[%emt 0:00:07]} 2. Nf3 {[%emt 0:00:07]} Nc6 {[%emt 0:00:06]} 3. d4 {[%emt 0:00:15]} cxd4 {[%emt 0:00:06]} 4. Nxd4 {[%emt 0:00:03]} g6 {[%emt 0:00:07]} 5. c4 {[%emt 0:00:05]} Nf6 {[%emt 0:00:05]} 6. Nc3 {[%emt 0:00:03]} Nxd4 {[%emt 0:00:06]} 7. Qxd4 {[%emt 0:00:06]} d6 {[%emt 0:00:04]} 8. Be3 {[%emt 0:00:36]} Bg7 {[%emt 0:00:11]} 9. Qd2 {[%emt 0:00:21]} O-O {[%emt 0:00:24]} 10. f3 {[%emt 0:00:03]} Be6 {[%emt 0:00:19]} 11. Rc1 {[%emt 0:00:07]} Qa5 {[%emt 0:00:40]} 12. Nd5 {[%emt 0:00:13]} Qxd2+ {[%emt 0:05:35]} 13. Kxd2 {[%emt 0:00:06]} Bxd5 {[%emt 0:00:32] B36: Sicilian: Maroczy Bind: Gurgenidze System.} 14. cxd5 {[%emt 0:02:19]} Rfc8 {[%emt 0:00:10]} 15. Rxc8+ {[%emt 0:00:06]} Rxc8 {[%emt 0:00:03] White is better.} 16. g3 {[%emt 0:00:05]} (16. Bxa7 $6 Ra8 17. Be3 Rxa2 $11) 16... Nd7 {[%emt 0:09:54]} 17. Bh3 {[%emt 0:00:35]} Rc7 {[%emt 0:00:04]} 18. Bxd7 {[%emt 0:18:14]} (18. Bxa7 $6 b6 19. Bxd7 Rxa7 $15) 18... Rxd7 $16 {[%emt 0:00:04][%mdl 4096] Endgame KRB-KRB} 19. b3 {[%emt 0:00:16]} (19. Bxa7 b6 20. Bxb6 Rb7 $14) 19... a6 {[%emt 0:05:44]} 20. Rc1 {[%emt 0:00:06] Inhibits Rc7. Threatening mate with Rc8+.} f5 {[%emt 0:00:26] [#]} 21. Rc8+ $146 {[%emt 0:00:15]} ({Predecessor:} 21. exf5 gxf5 22. g4 fxg4 23. fxg4 Kf7 24. Kd3 e6 25. Rf1+ Ke8 26. dxe6 Re7 27. Rf5 Rxe6 {½-½ (40) Borgo,G (2444)-Vaulin,A (2492) Paks 1999}) 21... Kf7 {[%emt 0:00:08]} 22. Kd3 {[%emt 0:00:02]} e6 {[%emt 0:12:33]} 23. Kc4 {[%emt 0:00:40] White is more active.} fxe4 {[%emt 0:26:54]} 24. fxe4 {[%emt 0:00:05]} Re7 {[%emt 0:00:10]} 25. Bf4 {[%emt 0:05:16]} b5+ {[%emt 0:14:15]} ({Black should try} 25... Rd7 $1 $14) 26. Kd3 {[%emt 0:00:22]} exd5 {[%emt 0:00:07]} 27. exd5 {[%emt 0:00:05]} Re1 {[%emt 0:00:23]} 28. Rc7+ {[%emt 0:01:01]} (28. Bxd6 Rd1+ 29. Ke4 Rd4+ 30. Ke3 Rxd5 31. Rc7+ Kg8 $11) 28... Kg8 {[%emt 0:00:16]} 29. Rc6 {[%emt 0:18:51]} (29. Bxd6 Rd1+ 30. Ke2 Rxd5 $14) 29... Rd1+ {[%emt 0:00:12]} 30. Ke2 {[%emt 0:00:24]} Rxd5 {[%emt 0:00:07]} 31. Rxa6 {[%emt 0:00:03]} ({But not} 31. Rxd6 $6 Rxd6 32. Bxd6 Kf7 $11) 31... Bf8 {[%emt 0:02:03]} (31... b4 $16 {was worth a try.}) 32. Ra5 $1 $18 {[%emt 0:01:27]} Kf7 {[%emt 0:09:29] [#]} 33. a4 $1 {[%emt 0:03:46][%cal Ba2a4,Ba4a5][%mdl 32]} Ke6 {[%emt 0:00:11] [#]} (33... Be7 $16 {is a better defense.} 34. Rxb5 (34. axb5 Ke6 $16) 34... Rxb5 35. axb5 Ke6) 34. Rxb5 {[%emt 0:01:00]} ({Not} 34. axb5 Bg7 $14) ({Only move:} 34. Ra8 $1 $18) 34... Rd4 $2 {[%emt 0:02:05][%mdl 8192]} (34... Rxb5 $16 35. axb5 Be7) 35. Be3 {[%emt 0:00:20] White is clearly winning.} Re4 {[%emt 0:00:46]} 36. Kd3 {[%emt 0:00:18]} d5 {[%emt 0:00:25]} 37. a5 {[%emt 0:00:19] Weighted Error Value: White=0.09 (flawless) /Black=0.20 (precise)} 1-0

[Event "13th Chennai Open 2022"]
[Site "Chennai"]
[Date "2022.06.26"]
[Round "10.16"]
[White "Girinath, P.D.S."]
[Black "Ashwin Sairam"]
[Result "1-0"]
[ECO "C41"]
[WhiteElo "2361"]
[BlackElo "1670"]
[Annotator "TA"]
[PlyCount "101"]
[EventDate "2022.06.19"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 9,101,8,17,14,23,10,31,17,83,85,123,141,179,183,167,175,180,179,283,287,290,284,273,232,277,274,258,288,285,281,314,247,270,275,314,328,332,333,318,275,283,256,264,237,254,250,221,212,237,209,247,227,978,977,1015,993,975,949,871,783,899,813,818,816,806,805,779,741,1105,1096,29962,1257,29960,29961,29963,29965,29963,6491,29986,29987,29989,29990,29990,29991,29992,29993,29993,29991,29992,29993,29993,29993,29996,29997]} 1. e4 {[%emt 0:00:05]} d6 {[%emt 0:00:07]} 2. d4 {[%emt 0:00:41]} Nf6 {[%emt 0:00:08]} 3. Nc3 {[%emt 0:00:27]} Nbd7 {[%emt 0:00:08]} 4. Nf3 {[%emt 0:10:49]} e5 {[%emt 0:00:10]} 5. Rg1 {[%emt 0:07:33]} c6 {[%emt 0:04:05]} 6. g4 {[%emt 0:04:06] C41: Philidor Defence.} h6 {[%emt 0:00:10]} 7. Be3 {[%emt 0:06:49] 7.h4 is the hot move.} b5 {[%emt 0:01:43]} 8. a3 {[%emt 0:01:22][%cal Ba2a3,Ba3b4,Bb4b5][%mdl 32] White is slightly better.} a5 {[%emt 0:06:54]} (8... Qc7 $11 {keeps the balance.}) 9. d5 $16 {[%emt 0:04:05] [#]} b4 $146 {[%emt 0:18:15]} ({Predecessor:} 9... Bb7 10. dxc6 Bxc6 11. Bxb5 Bxb5 12. Nxb5 Nxe4 13. Qd5 Rb8 14. Ba7 Nef6 15. Nxd6+ Bxd6 16. Qxd6 Rxb2 {1-0 (70) Domene Mulyukov,A (1967)-Munoz Valles,J (1750) Salobrena 2021}) 10. axb4 {[%emt 0:02:48] White is more active.} (10. dxc6 bxc3 11. cxd7+ Bxd7 12. bxc3 Nxe4 $17) 10... Bb7 {[%emt 0:00:49]} 11. dxc6 {[%emt 0:23:04]} Bxc6 {[%emt 0:00:30]} 12. b5 $36 {[%emt 0:00:10][%mdl 2048] Keeping Black busy.} Bb7 {[%emt 0:07:19]} 13. Nd2 {[%emt 0:04:04]} Nc5 {[%emt 0:04:24]} (13... d5 $142) 14. Bxc5 $18 {[%emt 0:06:40]} dxc5 {[%emt 0:00:39]} 15. Bc4 {[%emt 0:00:45]} Be7 {[%emt 0:02:27]} 16. Qe2 {[%emt 0:07:23]} Nh7 {[%emt 0:04:48]} 17. Bd5 {[%emt 0:01:10]} Bxd5 {[%emt 0:02:06]} 18. Nxd5 {[%emt 0:17:29]} (18. exd5 O-O 19. Nc4 (19. Qxe5 Bf6 $16) 19... Bg5 $18) 18... O-O {[%emt 0:00:09]} 19. Nc4 {[%emt 0:00:00] Pair of Knights!} Bg5 {[%emt 0:05:40]} 20. Rd1 {[%emt 0:00:00]} (20. Nxe5 Qd6 $18) 20... Qb8 {[%emt 0:02:28]} 21. b6 {[%emt 0:00:00]} Ra6 {[%emt 0:00:12]} 22. Rg3 {[%emt 0:00:00]} a4 {[%emt 0:01:34]} 23. Ra3 {[%emt 0:00:00]} Nf6 {[%emt 0:03:11]} 24. Nxf6+ {[%emt 0:00:21]} Bxf6 {[%emt 0:00:06]} 25. b3 {[%emt 0:00:17]} Bd8 {[%emt 0:00:53]} 26. Rxa4 {[%emt 0:01:02]} (26. bxa4 $6 Bxb6 27. Kf1 Bc7 $16) 26... Rxa4 {[%emt 0:00:03]} 27. bxa4 {[%emt 0:00:11]} Bxb6 {[%emt 0:00:02]} 28. Kf1 {[%emt 0:00:20] [#] And now Rb1 would win.} Bc7 {[%emt 0:01:26]} 29. Ne3 {[%emt 0:00:51]} Qa8 {[%emt 0:04:29]} 30. Qc4 {[%emt 0:00:15]} Rb8 $2 {[%emt 0:00:59]} (30... g6 31. Rd7 (31. Qxc5 Bd8 $16) 31... Bd8) 31. Rd7 {[%emt 0:00:34]} Rb1+ {[%emt 0:02:30]} 32. Ke2 {[%emt 0:00:59]} Qe8 {[%emt 0:00:29]} 33. Rxc7 {[%emt 0:00:24]} Rb4 {[%emt 0:00:09]} 34. Qd5 {[%emt 0:01:51]} Rd4 {[%emt 0:01:42]} 35. Qc6 {[%emt 0:00:15]} Qxc6 {[%emt 0:00:15]} 36. Rxc6 {[%emt 0:00:07]} Rxa4 {[%emt 0:00:03][%mdl 4096] Endgame KRN-KR} 37. c4 {[%emt 0:00:14]} Ra5 {[%emt 0:00:05]} 38. h4 {[%emt 0:00:12]} g6 {[%emt 0:00:06]} 39. g5 {[%emt 0:00:11]} hxg5 {[%emt 0:00:03]} 40. hxg5 {[%emt 0:00:06]} (40. Rc8+ $142 Kg7 41. hxg5 Ra3 42. Rxc5 Ra2+ 43. Kf3 Ra6 44. Rxe5 f6 45. Rb5) 40... Kg7 {[%emt 0:00:03]} 41. Rc8 {[%emt 0:00:24]} Ra2+ {[%emt 0:00:17]} 42. Kf1 {[%emt 0:00:19]} Ra5 {[%emt 0:00:09]} 43. Kg2 {[%emt 0:00:40]} (43. Ng4 $142 Ra2 44. Kg2 Re2 45. Kf3 (45. Nf6 Rxf2+ 46. Kg3 Rf3+ 47. Kh4 Rh3+ 48. Kxh3 $11) 45... Ra2 46. Nxe5 Ra7 47. Kf4 f6 48. gxf6+ Kxf6 49. Rc6+ Ke7 50. Nxg6+ Kd7 51. Ne5+ Ke7 52. Kf5) 43... Kh7 {[%emt 0:00:06]} 44. Nd5 {[%emt 0:00:21] White mates.} Kg7 {[%emt 0:00:13]} 45. Nf6 {[%emt 0:00:26][%csl Gf6][%cal Rc8g8]} Ra8 {[%emt 0:00:05]} 46. Ne8+ {[%emt 0:00:11]} Kf8 {[%emt 0:00:13]} 47. Rxa8 {[%emt 0:00:07]} Ke7 {[%emt 0:00:05]} 48. Nc7 {[%emt 0:00:24]} f6 {[%emt 0:32:03]} 49. Nd5+ {[%emt 0:00:08]} Kf7 {[%emt 0:00:00]} 50. Ra7+ {[%emt 0:00:08]} Ke6 {[%emt 0:00:00]} 51. gxf6 {[%emt 0:00:20] Black got outplayed after the opening.  Weighted Error Value: White=0.10 (very precise) /Black=0.79} 1-0

[Event "13th Chennai Open 2022"]
[Site "Chennai"]
[Date "2022.06.26"]
[Round "10.17"]
[White "Liyanage, Pesandu Rashmitha"]
[Black "Abdyjapar, Asyl"]
[Result "0-1"]
[ECO "D03"]
[WhiteElo "1730"]
[BlackElo "2346"]
[Annotator "TA"]
[PlyCount "88"]
[EventDate "2022.06.19"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 16,88,26,28,52,20,12,27,29,24,25,30,21,-11,-7,-4,113,-56,-43,-35,-45,-99,-97,-103,-109,-129,-139,-127,-25,-23,0,0,-25,-138,-87,-96,-79,-192,-188,-191,-188,-180,-119,-288,-189,-192,-181,-179,-150,-160,-152,-159,-143,-136,-129,-176,-168,-131,-129,-198,-212,-462,-455,-337,-336,-320,-306,-545,-543,-524,-506,-29977,-29978,-29972,-155]} 1. d4 {[%emt 0:02:17]} Nf6 {[%emt 0:00:16]} 2. Nf3 {[%emt 0:00:06]} d5 {[%emt 0:00:36]} 3. Bg5 {[%emt 0:00:31]} c5 {[%emt 0:00:16]} 4. e3 {[%emt 0:00:30]} Nc6 {[%emt 0:00:38]} 5. Nbd2 {[%emt 0:00:39]} e6 {[%emt 0:00:17]} 6. c3 {[%emt 0:00:09]} Bd6 {[%emt 0:00:37]} 7. Bd3 {[%emt 0:00:07]} h6 {[%emt 0:00:09] is the new trend.} 8. Bh4 {[%emt 0:00:07]} O-O {[%emt 0:00:22]} 9. O-O {[%emt 0:00:19]} e5 {[%emt 0:00:18] D03: 1 d4 d5 2 Nf3 Nf6 3 Bg5, including Torre Attack with early ...d5.} 10. dxe5 {[%emt 0:00:13]} (10. e4 $5 {[%cal Re4d5]} g5 11. dxc5 Bxc5 12. Bg3 $11) 10... Nxe5 {[%emt 0:00:05]} 11. Nxe5 {[%emt 0:00:19]} Bxe5 {[%emt 0:00:04] White has an edge.} 12. f4 {[%emt 0:00:12] was the old line (12.Nf3).} Bd6 {[%emt 0:00:42]} 13. e4 {[%emt 0:00:13]} c4 {[%emt 0:00:35] [#]} 14. Bc2 $146 {[%emt 0:28:29]} ({Predecessor:} 14. Be2 Qb6+ 15. Bf2 Bc5 16. e5 Ne4 17. Nxe4 dxe4 18. Bxc5 Qxc5+ 19. Qd4 Qxd4+ 20. cxd4 {1-0 (40) Morozevich,A (2788)-Alekseev,E (2708) Moscow 2008}) 14... Qb6+ {[%emt 0:02:55]} 15. Kh1 $132 {[%emt 0:09:31][%mdl 2048] Strongly threatening Bxf6. White has counterplay} Ng4 {[%emt 0:00:44]} (15... Qxb2 $2 16. Bxf6 gxf6 17. exd5 $18) (15... Bg4 $11 16. Qb1 Nxe4 17. Bxe4 dxe4 18. Nxc4 Qc5 19. Nxd6 (19. Qxe4 Bf5 $11) 19... Qxd6) 16. Qe2 $2 {[%emt 0:00:44]} (16. exd5 $16 Ne3 17. Nxc4 $1 {[%mdl 512]} (17. Bf2 Nxd1 18. Bxb6 Nxc3 $14) 17... Nxd1 18. Nxb6) 16... Qe3 {[%emt 0:01:35]} ({Much weaker is} 16... Qxb2 17. Rac1 Bc5 18. exd5 $11) 17. Rae1 {[%emt 0:18:54]} Bxf4 {[%emt 0:00:46]} 18. Rxf4 {[%emt 0:00:37]} Qxf4 $17 {[%emt 0:00:06][%csl Gg4][%cal Rf4h2]} 19. Bg3 {[%emt 0:00:07]} Qg5 {[%emt 0:01:36]} 20. Nf3 {[%emt 0:00:38]} Qh5 {[%emt 0:00:20]} 21. e5 {[%emt 0:00:39]} Re8 {[%emt 0:05:57]} (21... f5 $17 {Threatens to win with ...Be6.} 22. Qd2 Qf7) 22. Qd1 $11 {[%emt 0:06:06]} f5 {[%emt 0:03:40][%cal Of5f4]} 23. Kg1 {[%emt 0:05:06]} Qf7 {[%emt 0:03:01] And now ...f4 would win.} 24. Qb1 {[%emt 0:04:56]} (24. Bf4 $11 {keeps the balance.}) 24... f4 {[%emt 0:02:48]} (24... Qf8 $142 25. Ba4 f4 26. Bxf4 Qxf4 $1 27. Bxe8 Bf5) 25. Bg6 $17 {[%emt 0:02:02] [#]} Qf8 {[%emt 0:02:35]} 26. Bxe8 {[%emt 0:02:52]} (26. Bf2 $17) 26... fxg3 $19 {[%emt 0:01:04] The board is on fire.} 27. Bg6 {[%emt 0:00:52]} gxh2+ {[%emt 0:00:36]} 28. Kh1 {[%emt 0:00:32]} Qf4 {[%emt 0:01:22]} (28... Nf2+ $19 29. Kxh2 Qf4+ 30. Kg1 {[#]} Nh3+ $1 31. Kh1 Be6) 29. Qc2 $2 {[%emt 0:00:57] This costs White the game.} (29. Re2 $17) 29... Be6 {[%emt 0:00:35] ...Qg3 is the strong threat.} 30. Bh5 {[%emt 0:05:07]} Rf8 {[%emt 0:03:30] Hoping for ...Qg3.} 31. Qe2 {[%emt 0:02:29]} Qg3 {[%emt 0:04:16]} 32. Bxg4 {[%emt 0:00:48]} Bxg4 {[%emt 0:01:25]} (32... Qxg4 33. Qe3 $17) 33. e6 {[%emt 0:00:21][%cal Be5e6,Be6e7][%mdl 32]} Re8 {[%emt 0:02:33]} ({Weaker is} 33... Rxf3 34. e7 Bh5 35. e8=Q+ Bxe8 36. gxf3 $15) 34. e7 {[%emt 0:00:35]} Bxf3 {[%emt 0:00:58]} 35. gxf3 $17 {[%emt 0:06:29][%mdl 4096] Endgame KQR-KQR} (35. Qe6+ $17 Kh8 36. gxf3) 35... Qd6 $19 {[%emt 0:00:53]} 36. f4 {[%emt 0:00:56]} b5 {[%emt 0:03:31]} 37. a3 {[%emt 0:00:22]} (37. Qh5 $17 Rxe7 38. Rxe7 Qxe7 39. Qxd5+ Qf7 40. Qe5) 37... a6 {[%emt 0:01:11]} ({Worse is} 37... Qxf4 38. Qe6+ Qf7 39. Qe5) 38. Qh5 $2 {[%emt 0:03:02]} (38. f5 {was called for.}) 38... Rxe7 {[%emt 0:00:31]} 39. Rxe7 {[%emt 0:00:07]} Qxe7 {[%emt 0:00:06]} 40. Qxd5+ {[%emt 0:00:04] KQ-KQ} Kh7 {[%emt 0:01:18]} 41. f5 {[%emt 0:00:53]} (41. Qf5+ g6 42. Qc8) 41... Qh4 {[%emt 0:02:16]} 42. Qf3 {[%emt 0:00:59] Prevents Qf2.} h5 {[%emt 0:00:34] ( -> ...Qg4)} 43. Qf1 {[%emt 0:00:33]} (43. Qe3 $19 Qg4 44. Kxh2) 43... Qg3 {[%emt 0:00:26]} 44. Qd1 {[%emt 0:00:29]} Qg1+ $2 {[%emt 0:00:09] Weighted Error Value: White=0.59/Black=0.22 (precise)} (44... Kh6 {mates} 45. Qd2+ Kh7 46. Qd4 Qg1+ 47. Qxg1 hxg1=Q+ 48. Kxg1 Kh6 49. f6 gxf6 50. Kh1 h4 51. a4 bxa4 52. Kg2 Kg5 53. Kf3 f5 54. Kf2 Kg4 55. Ke3 h3 56. Kd4 f4 57. Kxc4 f3 58. Kd4 f2 59. Ke5 f1=Q 60. Kd6 h2 61. Kc5 h1=Q 62. c4 Qf6 63. Kb4 Qb6+ 64. Kc3 Qc1+ 65. Kd3 Qbe3#) 0-1

[Event "13th Chennai Open 2022"]
[Site "Chennai"]
[Date "2022.06.26"]
[Round "10.18"]
[White "Adireddy Arjun"]
[Black "Haribalu, V.."]
[Result "1-0"]
[ECO "B40"]
[WhiteElo "1898"]
[BlackElo "2233"]
[Annotator "RC"]
[PlyCount "73"]
[EventDate "2022.06.19"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:00:46]} c5 {[%emt 0:00:07]} 2. Nf3 {[%emt 0:01:26]} e6 {[%emt 0:02:48]} 3. d4 {[%emt 0:00:18]} cxd4 {[%emt 0:00:05]} 4. Nxd4 {[%emt 0:00:07]} Nf6 {[%emt 0:00:03]} 5. Bd3 {[%emt 0:01:52]} Nc6 {[%emt 0:00:45]} 6. Nxc6 {[%emt 0:00:29]} dxc6 {[%emt 0:00:08]} 7. O-O {[%emt 0:02:17]} e5 {[%emt 0:06:26]} 8. Nd2 {[%emt 0:00:55]} Bc5 {[%emt 0:10:56]} 9. Nc4 {[%emt 0:05:25]} Ng4 {[%emt 0:31:07]} 10. h3 {[%emt 0:02:32]} b5 {[%emt 0:00:27]} 11. hxg4 {[%emt 0:02:54]} bxc4 {[%emt 0:00:05]} 12. Bxc4 {[%emt 0:00:15]} Qxd1 {[%emt 0:09:09]} 13. Rxd1 {[%emt 0:00:08]} Bxg4 {[%emt 0:00:05]} 14. Rd3 {[%emt 0:13:56]} Rd8 {[%emt 0:08:27]} 15. Kf1 {[%emt 0:02:59]} Rxd3 {[%emt 0:05:59]} 16. Bxd3 {[%emt 0:00:11]} Ke7 {[%emt 0:08:23]} 17. f3 {[%emt 0:00:33]} Be6 {[%emt 0:00:07]} 18. Ke2 {[%emt 0:00:34]} h5 {[%emt 0:04:56]} 19. Bd2 {[%emt 0:04:30]} f6 {[%emt 0:00:47]} 20. b4 {[%emt 0:00:40]} Bd6 {[%emt 0:02:13]} 21. c4 {[%emt 0:01:22]} Rb8 {[%emt 0:03:24]} 22. c5 {[%emt 0:02:19]} Bc7 {[%emt 0:00:01]} 23. a4 {[%emt 0:00:09]} Rd8 {[%emt 0:03:32]} 24. b5 {[%emt 0:00:32]} Bc8 {[%emt 0:00:28]} 25. Rb1 {[%emt 0:03:40]} g6 {[%emt 0:01:30]} 26. b6 {[%emt 0:05:08]} Bb8 {[%emt 0:00:06]} 27. a5 {[%emt 0:00:38]} h4 {[%emt 0:00:27]} 28. a6 {[%emt 0:02:19]} Rd4 {[%emt 0:01:18]} 29. Ra1 {[%emt 0:10:47]} g5 {[%emt 0:00:31]} 30. Ba5 {[%emt 0:00:44]} g4 {[%emt 0:00:34]} 31. bxa7 {[%emt 0:00:09]} Bxa7 {[%emt 0:00:30]} 32. Bb6 {[%emt 0:00:03]} Rd7 {[%emt 0:01:06]} 33. fxg4 {[%emt 0:00:07]} Kf8 {[%emt 0:00:00]} 34. Ke3 {[%emt 0:01:27]} Kg7 {[%emt 0:00:23]} 35. Bc4 {[%emt 0:01:04]} Re7 {[%emt 0:00:07]} 36. Rd1 {[%emt 0:00:10]} Bxg4 {[%emt 0:00:07]} 37. Rd8 {[%emt 0:00:04]} 1-0

