[Event "Round 5: Chakrabarti, Brejesh - Bynum, Jacorey"] [Site "https://lichess.org/broadcast/2026-harvey-lerman-florida-state-championship/round-5/OhEKgI99/TQbRZPRR"] [Date "2026.09.03"] [Round "5.1"] [White "Chakrabarti, Brejesh"] [Black "Bynum, Jacorey"] [Result "1-0"] [WhiteElo "2230"] [WhiteTitle "FM"] [WhiteFideId "30969280"] [BlackElo "2174"] [BlackFideId "39927644"] [TimeControl "90+30"] [Variant "Standard"] [ECO "A25"] [Opening "English Opening: King's English Variation, Closed System"] [StudyName "Labor Day Wrap-Up 2026"] [ChapterName "Chakrabarti, Brejesh - Bynum, Jacorey"] [ChapterURL "https://lichess.org/study/4umbGLPz/kajaMyrg"] [Annotator "https://lichess.org/@/ChessLifeOnline"] [Orientation "white"] 1. c4 { [%clk 1:28:13] } 1... e5 { [%clk 1:30:46] } 2. g3 { [%clk 1:27:33] } 2... Nc6 { [%clk 1:31:10] } 3. Bg2 { [%clk 1:27:20] } 3... g6 { [%clk 1:31:33] } 4. Nc3 { [%clk 1:27:07] } 4... Bg7 { [%clk 1:31:57] } 5. d3 { [%clk 1:27:15] } 5... Nge7 { Eschewing 5. ... d6 sidesteps the bulk of modern theory. } { [%clk 1:32:13] } (5... d6 6. Nf3 (6. e4 { Normally White commits to this move first before Black reveals the knight's intentions. }) 6... f5 { is consistent with Black's setup in the game, too. }) 6. Nf3 { [%clk 1:27:14] } (6. e4 O-O 7. Nge2 Nd4 { is a way to stop from transposing right back into 5. ... d6 lines. }) 6... d6 { [%clk 1:32:18] } 7. Bd2 { [%clk 1:25:05] } 7... h6 { [%clk 1:31:56] } 8. Rb1 { Already, we are completely out of book. } { [%clk 1:20:11] } 8... a5 { [%clk 1:32:11] } 9. a3 { [%clk 1:18:58] } 9... Be6 { [%clk 1:29:48] } 10. b4 { [%clk 1:04:09] } 10... axb4 { [%clk 1:30:12] } 11. axb4 { [%clk 1:04:38] } 11... Qc8 { [%clk 1:27:19] } 12. b5 { [%clk 1:02:16] } 12... Nd8 { [%clk 1:19:04] } (12... Nd4 { was less passive. Now, } 13. b6 { runs into } 13... Nxf3+ { when } 14. Bxf3 c6 15. Ne4 Qd7 16. c5 d5 { offers Black more counterplay when ... e5-e4 comes against a bishop rather than a knight (compare to the 13. b6!? variation below). } 17. Nd6+ Kf8 18. Ra1 Rb8 19. d4 e4 20. Bg2 Bxd4 21. Bxh6+ Rxh6 22. Qxd4 Nf5 23. Nxf5 Bxf5 24. h4 $14 { White has very little here. }) 13. O-O { [%clk 0:56:48] } (13. b6!? c6 14. Ne4 { is an interesting way to play in the center, intending c4-c5. } 14... Qd7 15. c5 d5 16. Nd6+ Kf8 17. Ra1 Rb8? 18. d4 e4 19. Ne5! { Black's bishop is unable to disrupt White's center, and Black is getting suffocated after } 19... Bxe5 20. dxe5 $16 { when the f-file opens next. } { [%cal Ge1g1,Gf2f3] }) 13... f5 { Black's kingside counterplay is brewing, but, unlike in a King's Indian Defense, the center is very fluid here, so White has comparatively more counterplay. } { [%clk 1:12:33] } 14. Qb3 { [%clk 0:56:11] } 14... O-O { [%clk 1:11:02] } 15. Nd5 { Clogging the center to minimize Black's dynamics. } { [%clk 0:55:44] } 15... Nxd5?! { [%clk 1:08:47] } (15... Qd7 16. e4 { Even now, the center is not fully locked. White meets } 16... f4 { with } 17. d4 { and Black is not in time for ... g6-g5 before the board opens up in White's favor, e.g. } 17... g5? 18. dxe5 g4 (18... dxe5 19. Bb4!) 19. exd6! $18) 16. cxd5 { [%clk 0:56:09] } 16... Bf7 { [%clk 1:09:10] } 17. Rfc1 { The play along the c-file is enough to slow down any dreams of Black's kingside attack, hence why opening the board in this way was not in Black's interest. } { [%clk 0:52:23] } 17... c5 { [%clk 1:06:25] } 18. bxc6 { [%clk 0:48:57] } 18... bxc6 { [%clk 1:06:50] } 19. Ne1 { [%clk 0:49:15] } (19. Qc2!? c5 20. Bc3 { was also promising for White. Even temporarily sacrificing the pawn and allowing } { [%cal Gf3d2] } 20... Bxd5 { gives White } 21. Nxe5 $16 { with pieces more equipped to fight on the open board. }) 19... c5 { [%clk 1:03:16] } (19... g5 { Going for the attack was probably better. At least White has to choose between 20. e3, e4, and f4. All are slightly better for White, but at least it's White's job to make the choice. }) 20. Nc2 { [%clk 0:47:33] } 20... Ra6 { [%clk 0:44:28] } 21. Ne3 { [%clk 0:36:50] } 21... Nc6 { [%clk 0:38:38] } 22. Bc3 { [%clk 0:28:54] } 22... Nd4 { [%clk 0:32:28] } 23. Bxd4 { [%clk 0:29:10] } 23... exd4 { [%clk 0:32:57] } 24. Nc4 { White has a static advantage due to the pressure on the d-pawn. After ... e5xd4, Black loses a lot of juice when it comes to pawn breaks. But Black will argue that creating the half-open e-file is worth it due to the vulnerability of the e2-pawn. } { [%clk 0:29:10] } 24... Re8 { [%clk 0:32:45] } 25. Rc2 { [%clk 0:23:54] } 25... Qa8 { [%clk 0:31:17] } 26. Qb5 { [%clk 0:22:28] } 26... Bf8 { [%clk 0:29:14] } 27. Bf3 { [%clk 0:21:01] } 27... Ra1 { [%clk 0:25:01] } 28. Rb2 { [%clk 0:18:28] } 28... Rxb1+ { [%clk 0:25:18] } 29. Rxb1 { White's dominance along the b-file will either be ornamental (if Black can find a way to create play elsewhere on the board), or it will translate into a full infiltration of Black's back rank. The stakes are high! } { [%clk 0:18:57] } 29... Qd8 { [%clk 0:24:05] } 30. h3 { [%clk 0:18:00] } 30... Re7 { At some point, Black probably has to provoke weaknesses on White's kingside by advancing a pawn. This is too passive. } { [%clk 0:18:06] } (30... g5) (30... h5) 31. Qa6 { [%clk 0:17:02] } 31... Rd7 { [%clk 0:17:43] } (31... Rc7 32. Na5 Qc8 33. Qb6 Qd7 34. Nc6 h5 $16 { White gains the outpost, but his pieces are rather cut off from the kingside, at least, giving Black some chances for counterplay. }) 32. Rb6 { [%clk 0:16:46] } 32... Qe7?! { [%clk 0:17:50] } (32... Kg7 33. Na5 Rc7 34. Nc6 Qc8 35. Qb5 $16 { With the threat of Rb6-b8, it's too late for Black to create problems on the kingside. }) (32... f4 { was also an interesting way to create counterplay, but } 33. g4 h5 34. Na5 $16 { still gives White the better game. }) 33. Qc8? { With Nc4-a5 included first, the threat of Na5-c6 would make it much harder for Black to defend the back rank. } { [%clk 0:15:03] } (33. Na5! Rc7 (33... Ra7 34. Nc6 { simply wins material. }) 34. Nc6 Qd7 35. Rb8 $18 { White has infiltrated the back rank and should be winning now. }) 33... Rd8! { [%clk 0:16:53] } 34. Qb7 { [%clk 0:14:10] } 34... Rd7 { [%clk 0:16:31] } 35. Qc6 { [%clk 0:14:26] } 35... Be8 { [%clk 0:16:46] } 36. Qc8 { [%clk 0:12:47] } 36... Rd8 { [%clk 0:12:41] } 37. Qa6 { [%clk 0:12:59] } 37... Bf7 { [%clk 0:12:21] } 38. Na5 { [%clk 0:12:04] } 38... Rd7? { [%clk 0:11:25] } (38... Qe8 { Black is just in time to keep the back rank protected. }) 39. Rb8?! { [%clk 0:11:45] } (39. Nc6 Qf6 (39... Qe8 40. Rb8 $18) 40. Qc8 $18 { Again, the infiltration is decisive. }) 39... Ra7?! { [%clk 0:10:07] } (39... Rd8 { was Black's last chance. But } 40. Rb7 Qf6 (40... Rd7 41. Nc6 $18) 41. Rb6 $16 { still puts Black on the ropes. } { [%cal Ga5b7] }) 40. Qb5 { [%clk 0:11:17] } 40... Kg7 { [%clk 0:09:07] } 41. Kg2 { Preparing Na5-c6 by stepping out of the check. } { [%clk 0:11:09] } 41... Qf6 { [%clk 0:08:53] } (41... Rd7 42. Nc6 Qf6 43. Ra8 $18 { Again, White's breakthrough is decisive. } { [%cal Gb5b8] }) 42. Rxf8 { Now it's all over. } { [%clk 0:10:31] } 42... g5 { [%clk 0:07:43] } (42... Kxf8 43. Qb8+ $18) 43. Qb6 { [%clk 0:07:56] } 43... g4 { [%clk 0:04:01] } 44. hxg4 { [%clk 0:08:10] } 44... fxg4 { [%clk 0:04:28] } 45. Be4 { [%clk 0:07:55] } 45... Re7 { [%clk 0:04:52] } 46. Qd8 { [%clk 0:07:39] } 1-0