[Event "Quantbox Chennai Grand Masters 2026"] [White "Erigaisi Arjun"] [Black "Niemann,Hans Moke"] [Site "Chennai"] [Round "3.1"] [Annotator "TA"] [Result "1-0"] [Date "2026.07.18"] [WhiteElo "2757"] [BlackElo "2730"] [PlyCount "85"] [TimeControl "60"] {[%evp 14,84,-1,-4,-12,6,-2,0,-10,0,31,38,43,21,23,27,51,51,59,29,33,32,64,37,29,0,0,-23,-25,-34,73,52,64,55,61,75,57,73,58,68,107,105,105,73,70,84,75,85,96,113,267,257,265,262,312,287,273,216,212,167,254,245,304,294,768,894,741,640,2442,2427,2427,2354,1871]} 1. Nf3 {[%emt 0:0:0]} d5 {[%emt 0:0:0]} 2. c4 {[%emt 0:0:7]} e6 {[%emt 0:0:13]} 3. g3 {[%emt 0:0:7]} Nf6 {[%emt 0:0:36]} 4. Bg2 {[%emt 0:0:7]} Be7 {[%emt 0:0:24]} 5. d4 {[%emt 0:0:8]} O-O {[%emt 0:0:19]} 6. Nc3 {[%emt 0:0:6]} Nbd7 {[%emt 0:3:39]} 7. Ne5 {[%emt 0:0:51] 7.Qd3 is a critical line.} c6 {[%emt 0:5:42]} 8. O-O {[%emt 0:0:29]} Nxe5 {[%emt 0:1:1] E07: Closed Catalan: Main Line (5 Nf3 0-0 6 0-0 Nbd7).} 9. dxe5 {[%emt 0:0:8]} Nd7 {[%emt 0:0:15]} 10. cxd5 {[%emt 0:0:14]} exd5 {[%emt 0:2:1] The position is equal.} 11. f4 {[%emt 0:1:27]} f5 {[%emt 0:1:58]} 12. Be3 {[%emt 0:4:54]} Nb6 {[%emt 0:9:28]} 13. Qc2 $146 {[%emt 0:3:15]} ({Predecessor:} 13. Bf2 Kh8 14. e3 Be6 15. Ne2 Bg8 16. h3 Qd7 17. a4 Rad8 18. Kh2 Nc4 19. Rb1 {½-½ Theodorou,N (2535)-Sindarov,J (2655) Wch Rapid New York 2024 (11)} )Be6 {[%emt 0:1:49]} 14. Rfd1 {[%emt 0:0:42]} Nc4 {[%emt 0:6:1]} 15. Bf2 {[%emt 0:1:51]} Qa5 {[%emt 0:1:56]} 16. b3 {[%emt 0:1:1]} Na3 {[%emt 0:0:0]} 17. Qb2 {[%emt 0:3:54]} Rac8 {[%emt 0:3:32]} 18. Rac1 {[%emt 0:6:33]} Rfd8 {[%emt 0:0:42]} 19. Rd4 {[%emt 0:0:0]} b5 {[%emt 0:3:8] Dodges Ra4} 20. Rcd1 {[%emt 0:1:56]} b4 {[%emt 0:12:30]} 21. Na4 {[%emt 0:2:28]} Nb5 {[%emt 0:1:18]} (21... Qa6 $1 $15 {stays ahead.} 22. Qd2 c5 )22. R4d3 $16 {[%emt 0:0:33]} d4 {[%emt 0:7:13]} 23. Bxd4 {[%emt 0:1:30]} c5 $1 {[%emt 0:0:11][%cal Bc6c5,Bc5c4][%mdl 32]} 24. Be3 {[%emt 0:7:28]} c4 {[%emt 0:14:31]} 25. Bd5 {[%emt 0:0:56]} Bxd5 {[%emt 0:6:5]} 26. Rxd5 {[%emt 0:0:45]} Na3 {[%emt 0:0:10]} 27. Rxa5 {[%emt 0:15:35]} Rxd1+ {[%emt 0:0:5]} 28. Kf2 {[%emt 0:0:6]} c3 {[%emt 0:0:3]} 29. Qc1 {[%emt 0:0:5]} Rxc1 {[%emt 0:0:5]} 30. Bxc1 {[%emt 0:0:4]} Rc7 {[%emt 0:0:5]} 31. e4 {[%emt 0:1:20][%cal Be2e4,Be4f5][%mdl 32]} (31. Bxa3 $2 bxa3 32. Nxc3 Rxc3 $19 )Nc2 $2 {[%emt 0:3:52] [#] A mistake that costs the game.} (31... fxe4 $16 {was called for.} 32. Ke3 c2 )32. exf5 $18 {[%emt 0:2:19]} Nd4 {[%emt 0:2:45]} 33. g4 {[%emt 0:1:50]} Bh4+ {[%emt 0:1:3]} 34. Ke3 {[%emt 0:1:31]} Rd7 {[%emt 0:0:5]} 35. e6 {[%emt 0:5:8]} Nc2+ {[%emt 0:0:11]} 36. Kf3 {[%emt 0:4:37]} Rd3+ {[%emt 0:7:35]} (36... Rd1 $142 )37. Ke2 {[%emt 0:0:8]} Rh3 {[%emt 0:0:2]} 38. Rd5 {[%emt 0:0:46]} ({Inferior is} 38. Rxa7 h5 39. g5 (39. gxh5 $2 {loses.} Nd4+ 40. Kf1 Rxh2 $19 )(39. Ra8+ Kh7 $11 )Nd4+ 40. Kf1 Rf3+ 41. Kg2 Kh7 $11 (41... Rf2+ 42. Kh3 $16 ))Ne1 $2 {[%emt 0:0:30]} (38... Be7 39. Rd7 Kf8 40. Rxa7 Bh4 )39. g5 {[%emt 0:0:44][%cal Rd5d8] [#] White is clearly winning.} Kf8 {[%emt 0:0:32]} 40. Nc5 {[%emt 0:1:27]} c2 {[%emt 0:1:28]} 41. Rd8+ {[%emt 0:31:29]} Ke7 {[%emt 0:30:4]} 42. Rd7+ {[%emt 0:0:4]} Ke8 {[%emt 0:1:2]} 43. Nb7 {[%emt 0:0:31] Weighted Error Value: White=0.11 (very precise) /Black=0.50 Mistake: --- Black=4 Inaccurate: White=4 Black=3 OK: White=5 Black=4 Strong: --- Black=1} 1-0