[Event "68th ch-HUN 2019"] [Site "Budapest HUN"] [Date "2019.12.11"] [Round "1.2"] [White "Acs, Peter"] [Black "Mihok, O."] [Result "1-0"] [ECO "B80"] [WhiteElo "2580"] [BlackElo "2567"] [Annotator "Yip"] [PlyCount "71"] [EventDate "2019.12.10"] [EventType "k.o."] [EventRounds "4"] [EventCountry "HUN"] [SourceTitle "TWIC 1310"] [Source "Mark Crowther"] [SourceDate "2019.12.16"] [SourceVersion "1"] [SourceVersionDate "2019.12.16"] [SourceQuality "2"] 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. g3 a6 7. Bg2 Nf6 8. O-O d6 (8... Nxd4 {The Pavlidis approach} 9. Qxd4 Bc5 10. Bf4 d6 11. Qd2 h6 12. Rad1 e5 13. Be3 Be6 14. Bxc5 dxc5 15. Nd5 Bxd5 16. exd5 Qd6 {There are two big lines} 17. f4 (17. c4) 17... O-O 18. fxe5 Qxe5 19. d6 Qxb2 20. c4 Qxd2 21. Rxd2 Rab8 22. a4 Rfd8 23. Rb1 b6 24. Bc6 Ng4 25. Re1 f6 26. d7 Ne5 27. Rxe5 fxe5 28. Re2 Kf7 29. Rxe5 {[Pavlidis]}) 9. Nxc6 bxc6 10. Na4 Bb7 11. c4 c5 12. Nc3 Be7 13. f4 O-O {} 14. g4 {Starting ambitious attacking play} Nd7 15. g5 Rfe8 {White is better.} 16. b3 Rad8 ({Predecessor:} 16... Bf8 17. Bd2 g6 18. Qg4 Bg7 19. Rae1 Bc6 20. f5 Bd4+ 21. Kh1 Ne5 22. Qh3 Qb7 23. f6 h5 24. Rf4 Kh7 25. Ne2 Rh8 26. Nxd4 {1/2-1/2 (26) Popovic,P (2508)-Jaracz,P (2532) Belgium 2004}) 17. Qg4 {The obvious plan is a direct attack on the king} (17. Bb2) 17... Bf8 {Preparing to reinforce the kingside} (17... Nb6 {Preparing the central break ..d5 is alternative} 18. a4 (18. f5) 18... Bf8 19. f5) 18. Bb2 {Completing formal development before commiting to a concrete plan} ( 18. f5 {White could already push forward} exf5 {Opening up the centre and e-file for counterplay} (18... Ne5 19. Qg3 Bc6 20. f6 g6 21. Bf4) 19. exf5 Bxg2 {Trading off potentially dangerous attackers} 20. Qxg2 Nb6 {Else Nd5 centralizes with tempo} 21. Bf4) 18... g6 19. f5 {White must advance to make progress} Ne5 {Of course Black takes the central outpost with tempo} 20. Qg3 {White must take care of ..Nd3 ideas} (20. Qh4 {Allows Black to stir up trouble with} Nd3) 20... Bc6 {A fairly standard regrouping} (20... Nc6 { Aiming for ..Nd4 also looks good for White} 21. f6 (21. Rae1 Nd4 22. f6) 21... Nd4 22. Rad1 Qa5 23. Qf2 (23. Qd3 d5) 23... d5 24. exd5 exd5 25. Bxd5 Bxd5 26. Nxd5 Re2 27. Bxd4 Rxf2 28. Bxf2 {The queen sacrifice allowed White to control the board} Kh8 (28... Qxa2 29. Ne7+ Kh8 30. Rxd8) 29. Rfe1 Qa3 (29... Qxa2 30. Nb4) 30. Re2) 21. Rf2 (21. Rae1) 21... Qb7 (21... a5 {Is another idea} 22. Raf1 {Black has problems coming up with an active plan but the kingside has been reinforced} Bg7 23. h4 a4 24. h5 $40 {White has a strong attack}) 22. Raf1 {White has every piece in play and has made good progress on the kingside} a5 {} (22... Bg7 23. f6 Bf8 24. h4 {Now it is not clear how Black can sucessfully defend}) 23. h4 Bg7 24. f6 Bf8 {The kingside is a nice tomb for the Black king} 25. h5 a4 { Rather slow but I don's see a good idea for Black} ({Reject} 25... gxh5 26. Qh4) 26. Nxa4 {Taking the pawn is unnecessary} (26. hxg6 {White should open the h-file immediately for the attack} Nxg6 (26... fxg6 27. f7+) ( 26... hxg6 27. Bh1 axb3 28. Rh2 {Mate is coming soon on the h-file}) 27. Bf3 axb3 28. axb3 Qxb3 29. Bh5 Rd7 30. Qh3 Bxe4 31. Rh2 {White will destroy the kingside on the h-file}) 26... Bxe4 {[%mdl 8192] } (26... gxh5 27. Qh4 Ng6 28. Qxh5 Bxe4) 27. Bxe5 {Removes a key defender for a piece that cannot easily get through to the kingside now that the f6-pawn blocks the long diagonal} dxe5 (27... Bxg2 {Also loses easily} 28. Rxg2 dxe5 29. hxg6 hxg6 (29... fxg6 30. f7+) 30. Rh2 {The open h-file is decisive}) 28. hxg6 { The is nothing much to be done about an h-file based attack} hxg6 29. Nc3 Bxg2 30. Rxg2 Rd4 31. Rh2 Red8 32. Qh3 {[%csl Gh2][%CAl Rh3h8] Wins easily} Bh6 33. Ne2 (33. Qxh6 Rg4+ 34. Kf2 Rf4+ 35. Ke3 Rf3+ 36. Rxf3 Rd3+ {[%mdl 64] Decoy} 37. Kxd3 Qe4+ 38. Kd2) 33... Qe4 34. Qxh6 {[%csl Gh2][%CAl Rh6h8] White mates.} Qe3+ 35. Rhf2 {[%csl Gf6][%CAl Rh6g7]} Rg4+ 36. Kh2 {Accuracy: White = 74% (18/3/23), Black = 32% (6/8/23).} 1-0