[Event "Quantbox Chennai Grandmasters Chess Tournament -Challengers 2025"] [White "Harshavardhan G B"] [Black "Ghosh, Diptayan"] [Site "Hyatt Regency, Chennai, India"] [Round "4.1"] [Annotator "Shahid"] [Result "0-1"] [Date "2025.08.10"] [ECO "E51"] [WhiteElo "2454"] [BlackElo "2576"] [PlyCount "152"] [GameId "2207897864249344"] [EventDate "2025.??.??"] {[%evp 0,152,17,23,3,2,22,2,21,20,20,20,12,8,17,7,5,12,19,-6,5,-6,-6,-17,-5,-8,10,6,146,49,164,43,-6,3,-16,-71,-103,-36,-8,22,-7,24,47,-13,-14,-1,47,2,-40,-141,-15,-20,-18,21,38,-22,-4,0,27,51,56,63,79,77,70,50,54,45,82,73,76,69,75,59,-1,52,-1,50,40,-58,-1,25,65,120,57,60,100,85,28,68,84,101,98,75,-127,91,-123,109,-103,2,1,66,8,37,45,-1,-42,-1,-14,0,16,23,143,22,43,10,23,14,-12,16,16,-40,1,-1,-1,-37,-1,1,-1,-1,-176,-1,-186,-106,-260,-109,-101,-106,-98,-108,-116,-203,-280,-261,-326,-340,-281,-436,-474,-747,-810,-797,-799,-1110,-1179]} 1. Nf3 d5 2. c4 e6 3. d4 Nf6 4. Nc3 Bb4 5. e3 O-O 6. Bd2 Nbd7 7. Be2 dxc4 8. Bxc4 a6 9. Bd3 c5 10. a3 Ba5 11. Qe2 Bc7 12. O-O b6 13. b4 cxd4 14. exd4 Bb7 15. Bg5 Qb8 16. Rfe1 Bf4 17. Bh4 Bxf3 18. Qxf3 Bxh2+ 19. Kh1 Bf4 20. Ne4 Nd5 21. g3 Bh6 22. Bc4 Kh8 23. Bxd5 exd5 24. Nc3 Bd2 25. Re2 Bxc3 26. Qxc3 Qd6 27. Be7 Qh6+ 28. Kg2 Rfe8 29. Rae1 Qg6 30. Qf3 Nf8 31. Bxf8 Rxf8 32. Re7 Rad8 33. R1e5 Qf6 34. Qxf6 gxf6 35. Re3 Rd6 36. Rc7 b5 37. Kf3 Kg7 38. Kf4 Kg6 39. g4 h6 40. f3 Rh8 41. Ree7 Rf8 42. Ra7 Kg7 43. Reb7 Kg6 (43... f5 44. Rd7 Rxd7 45. Rxd7 Rc8) 44. Rc7 Kg7 45. Re7 Kg6 46. Rac7 (46. Red7) 46... Rdd8 47. Rc6 Rc8 48. Rc5 Rcd8 49. Kg3 Rd6 50. Kf4 Rdd8 51. Rc6 Rc8 52. Rec7 Rxc7 53. Rxc7 Re8 54. Rd7 Rc8 55. Rd6 Rc4 56. Rxa6 $2 (56. Rxd5 Rc3) 56... Rxd4+ 57. Ke3 Rc4 58. Kd3 d4 59. f4 Rc3+ 60. Kxd4 Rc4+ 61. Ke3 Rc3+ 62. Kf2 Rc4 63. Kf3 Rc3+ 64. Ke2 Rg3 65. Ra5 f5 66. Rxb5 $4 (66. gxf5+ Kf6) 66... fxg4 $19 67. a4 Ra3 68. a5 f6 (68... h5 69. Rg5+ Kh6) 69. Rb8 $4 (69. Rd5) 69... h5 $19 70. Rh8 Ra4 71. Rg8+ Kf5 72. Rb8 h4 73. Ke3 Ra3+ 74. Kd4 g3 75. Rg8 h3 76. a6 h2 0-1 [Event "Quantbox Chennai Grandmasters Chess Tournament -Challengers 2025"] [White "Iniyan, Pa"] [Black "Aryan Chopra"] [Site "Hyatt Regency, Chennai, India"] [Round "4.2"] [Annotator "Shahid"] [Result "1-0"] [Date "2025.08.10"] [ECO "E15"] [WhiteElo "2586"] [BlackElo "2634"] [PlyCount "89"] [GameId "2209260094173184"] [EventDate "2025.??.??"] {[%evp 0,89,10,29,9,21,14,23,24,20,29,24,58,19,23,29,34,30,40,49,41,36,50,42,60,68,54,54,73,87,16,58,73,48,94,92,61,80,73,73,98,79,110,94,12,114,124,100,108,67,22,89,-1,129,105,116,123,-33,152,95,269,172,277,312,145,385,287,312,190,263,273,424,265,501,544,646,641,663,641,785,658,471,477,488,490,532,544,533,534,554,524,555]} 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6 5. Qc2 c5 6. Bg2 Bb7 7. dxc5 Bxc5 8. Nc3 Nc6 9. O-O O-O 10. Rd1 h6 11. a3 Re8 12. b4 Bf8 13. e4 e5 14. Nd5 d6 15. Nc3 Bc8 16. Qd3 a6 17. Be3 Ng4 18. Bd2 Nf6 19. h3 Bd7 20. Be3 Rb8 21. Kh2 Qc8 22. Rac1 Qb7 23. Nh4 Ne7 24. f4 Rbd8 25. Qf1 b5 $2 (25... Bc6) 26. Rxd6 $18 exf4 27. Bxf4 Nh5 28. e5 Bc6 29. Nd5 (29. Qd1 Nxf4 30. gxf4) 29... Bxd5 $4 (29... Rxd6 30. exd6 Nxd5 31. cxd5 Bxd5 32. Rc7 Bxg2 33. Nxg2 Qe4) 30. cxd5 $18 Nxf4 31. Qxf4 g5 32. Qg4 Rc8 33. Rd7 Qb6 34. Rxc8 Rxc8 35. d6 (35. Rxe7 $4 Rc1 36. Nf3) 35... Rc1 36. Nf3 Ng6 37. Qf5 Nh8 38. e6 Bxd6 39. exf7+ Kf8 40. Qh7 Bxg3+ 41. Kxg3 Qb8+ 42. Kf2 Qb6+ 43. Nd4 Qf6+ 44. Qf5 Rc2+ 45. Kg1 1-0 [Event "Quantbox Chennai Grandmasters Chess Tournament -Challengers 2025"] [White "Adhiban, B.."] [Black "Pranesh M"] [Site "Hyatt Regency, Chennai, India"] [Round "4.3"] [Result "1/2-1/2"] [Date "2025.08.10"] [ECO "E11"] [WhiteElo "2534"] [BlackElo "2589"] [PlyCount "71"] [GameId "2209260092194816"] [EventDate "2025.??.??"] 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 Qe7 5. Qc2 b6 6. a3 Bxd2+ 7. Nbxd2 Bb7 8. Rg1 c5 9. dxc5 bxc5 10. g4 d5 11. g5 Nfd7 12. O-O-O Nc6 13. cxd5 exd5 14. Bh3 Nb6 15. Nb3 Bc8 16. Rg3 c4 17. Nbd4 Nxd4 18. Nxd4 Bxh3 19. Rxh3 O-O-O 20. Qf5+ Kb7 21. Re3 Qf8 22. Rf3 Rd7 23. e4 Qc5 24. exd5 Rxd5 25. Qxf7+ Ka6 26. Nc2 Rxd1+ 27. Kxd1 Rd8+ 28. Kc1 Qxg5+ 29. Kb1 Qg6 30. Qxg6 Rd1+ 31. Ka2 hxg6 32. Rg3 Rd2 33. Kb1 Rd1+ 34. Ka2 Rd2 35. Kb1 Rd1+ 36. Ka2 1/2-1/2 [Event "Quantbox Chennai Grandmasters Chess Tournament -Challengers 2025"] [White "Mendonca, Leon Luke"] [Black "Dronavalli, Harika"] [Site "Hyatt Regency, Chennai, India"] [Round "4.4"] [Result "1-0"] [Date "2025.08.10"] [ECO "B30"] [WhiteElo "2606"] [BlackElo "2487"] [PlyCount "117"] [GameId "2209260092194816"] [EventDate "2025.??.??"] 1. e4 c5 2. Nf3 Nc6 3. Bb5 Nf6 4. Bxc6 dxc6 5. d3 Qc7 6. a4 e5 7. Nbd2 Be6 8. O-O Be7 9. Ng5 Bg4 10. f3 Bh5 11. Nc4 h6 12. Nh3 g5 13. Nf2 Nd7 14. Ng4 f6 15. Nge3 Bg6 16. Bd2 b6 17. Qe1 a5 18. g3 Rg8 19. Kh1 Bf8 20. f4 exf4 21. gxf4 O-O-O 22. Qg3 Kb7 23. Bc3 Be7 24. fxg5 hxg5 25. Rf2 Rdf8 26. Raf1 Qxg3 27. hxg3 Rh8+ 28. Kg2 Rh7 29. Ng4 Rfh8 30. Nce3 Bd8 31. b3 Ka6 32. Rg1 Rf8 33. Ra1 Rfh8 34. Raf1 Be8 35. Rg1 Rf8 36. Rff1 Bg6 37. Rf3 Bh5 38. Rf2 Bg6 39. Rff1 Rfh8 40. Kf2 Rf7 41. Ke2 Rh3 42. Rh1 Rfh7 43. Rxh3 Rxh3 44. Nxf6 Bxf6 45. Bxf6 Rxg3 46. Bd8 g4 47. Kd2 Bh5 48. Rf5 Rh3 49. Bc7 Kb7 50. Bd6 b5 51. Rg5 c4 52. bxc4 bxa4 53. Rg7 Kc8 54. Nxg4 c5 55. Ne5 Nxe5 56. Bxe5 Kd8 57. Ra7 Rh1 58. Rxa5 Be8 59. Rxc5 1-0 [Event "Quantbox Chennai Grandmasters Chess Tournament -Challengers 2025"] [White "Puranik, Abhimanyu"] [Black "Vaishali, Rameshbabu"] [Site "Hyatt Regency, Chennai, India"] [Round "4.5"] [Annotator "Shahid"] [Result "1-0"] [Date "2025.08.10"] [ECO "D90"] [WhiteElo "2635"] [BlackElo "2476"] [PlyCount "85"] [GameId "2209260095520768"] [EventDate "2025.??.??"] {[%evp 0,85,12,33,19,15,30,28,40,32,36,29,23,3,13,0,27,33,7,14,-17,27,7,9,14,6,9,14,28,13,35,48,17,46,28,-28,22,22,22,19,16,174,54,83,111,147,155,156,17,142,127,143,136,135,140,135,80,127,132,138,149,142,186,93,163,149,135,160,213,149,175,147,224,144,241,153,192,253,471,317,382,269,269,405,413,273,424,254]} 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. cxd5 Nxd5 6. e3 O-O 7. Bc4 Nb6 8. Bb3 c5 9. O-O Bg4 10. dxc5 N6d7 11. h3 Bxf3 12. Qxf3 Nxc5 13. Rd1 Nbd7 14. Bc2 Rc8 15. Bd2 e6 16. Be1 Qe7 17. Rab1 Nb6 18. Qe2 a6 19. Ne4 Nxe4 20. Bxe4 Nc4 21. a3 a5 22. Bd3 Ne5 (22... b5 23. Bxc4 Rxc4 24. b3 (24. Bxa5 Rfc8) 24... Rcc8) 23. Bxa5 Nxd3 24. Rxd3 Qg5 25. Bb4 Rfd8 26. Rxd8+ Rxd8 27. Rd1 h5 28. Rxd8+ Qxd8 29. Qc2 Qd5 30. b3 Bf6 31. a4 h4 32. Qc5 Qd1+ 33. Kh2 Qd7 34. Qd6 Qc8 35. Bc5 Kh7 36. b4 Bd8 37. Kg1 Bf6 38. a5 Qe8 39. Qc7 Kg7 40. Qxb7 Qa4 41. Qa6 Be5 42. Qf1 Bc3 43. a6 1-0