[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

