[Event "54th Biel Festival MTO 2021"]
[Site "Biel"]
[Date "2021.08.05"]
[Round "8.112"]
[White "Baenziger, Fabian"]
[Black "Narayanan.S.L"]
[Result "0-1"]
[ECO "E48"]
[WhiteElo "2392"]
[BlackElo "2624"]
[Annotator "TA"]
[PlyCount "70"]
[EventDate "2021.07.26"]
[EventType "swiss"]
[EventCountry "SUI"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
{[%evp 11,70,15,12,7,36,-4,9,0,0,-21,-9,-19,0,0,0,-2,0,0,-8,-13,-3,-8,-22,-38,
-25,-51,-29,-37,-22,-163,-152,-165,-162,-188,-202,-196,-150,-158,-141,-328,
-336,-336,-339,-335,-312,-339,-336,-317,-286,-333,-337,-332,-332,-320,-327,
-505,-332,-29962,-29963,-29985,-29984]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O
5. Bd3 Re8 6. Nge2 d5 7. O-O {E48: Nimzo-Indian: Rubinstein: 5 Bd3 d5
including 6 Ne2, but excluding 6 a3.} Bf8 $5 {[%csl Gb2,Rc1,Rc2,Gc3,Rd3,Gd4,
Ge3,Re4,Gf2,Rf3,Rg2][%CAl Gd4e5,Ge3f4,Ge2f4,Gf6g7,Gf6g5,Ge5f4,Ge4d5,Gc6b7,
Gc6b5,Gc4d5,Gc4b5,Gd3c4,Gc3d5][%mdl 4] Exploring less charted territory.} 8.
Nf4 (8. e4 dxe4 9. Nxe4 Nxe4 10. Bxe4 Nd7 (10... g6 11. Be3 Bg7 12. Qb3 Nd7 13.
Rab1 c6 14. g3 Qc7 15. Bg2 b6 16. Nc3 Ba6 17. Rbc1 Bb7 18. Rfd1 Rad8 19. Qa3
Bf8 20. c5 e5 21. b4 a5 22. Na4 axb4 23. Qxb4 exd4 24. Bxd4 bxc5 25. Nxc5 Nxc5
26. Bxc5 Rxd1+ 27. Rxd1 Bxc5 28. Qxc5 Re5 29. Qd4 Qe7 30. Qc3 Rc5 31. Qd2 Re5
32. Bf3 c5 33. Bxb7 Qxb7 34. Qc3 Qe4 35. Ra1 Qd4 36. Qxd4 cxd4 37. a4 d3 38.
Kf1 d2 39. Rd1 {1/2-1/2 (39) Dumitrache,D (2447)-Louis,T (2151) Creon 2012}) (
10... Qh4 11. Qc2 f5 12. Bf3 c5 13. g3 Qf6 14. Be3 cxd4 15. Nxd4 f4 16. gxf4 e5
17. Bd5+ Kh8 18. Qe4 Bd7 19. fxe5 Rxe5 20. Qf4 Nc6 21. Qxf6 gxf6 22. Rad1 Bg4
23. Nxc6 Rxe3 24. fxe3 Bxd1 25. Nd4 Bh5 26. Rxf6 Bg7 27. Rd6 Re8 28. Re6 Rf8
29. b3 Bg4 30. Re7 Bh6 31. Kg2 Bg5 32. Re4 h5 33. h3 Bc8 34. Be6 Re8 35. Kf3 {
1-0 (35) Vasilev,M (2479)-Videnova,I (2211) Sunny Beach 2008}) 11. Nc3 h6 12.
Bc2 Nf6 13. Bf4 b6 14. Qd3 Bb7 15. Be5 g6 16. Qg3 Nh5 17. Qg4 Bg7 18. Rad1 Rc8
19. Rfe1 Qg5 20. Qxg5 hxg5 21. Bxg7 Kxg7 22. Be4 Bxe4 23. Nxe4 g4 24. g3 Red8
25. Rd3 Rd7 26. Red1 Rcd8 27. Kf1 f5 28. Nc3 Nf6 29. Ke2 Kf7 30. b4 a6 31. a4
Rh8 32. Rh1 Rhd8 33. Rhd1 Rh8 34. Rh1 Rhd8 35. Rhd1 Rh8 36. Rh1 {1/2-1/2 (36)
Tregubov,P (2419)-Pantev,V (2445) Chess.com INT 2017}) (8. cxd5 exd5 9. Qc2 c6
10. Bd2 Nbd7 11. Rab1 a5 12. a3 Nb6 13. b4 axb4 14. axb4 Nc4 15. Bxc4 dxc4 16.
b5 c5 17. dxc5 Bxc5 18. Ng3 Be6 19. Rfd1 Bf8 20. Nce2 Qd3 21. Qxd3 cxd3 22. Nd4
Ba2 23. Rbc1 Nd5 24. e4 Ra4 25. Ndf5 Nf6 26. f3 Bb3 27. Re1 Bc4 28. Rb1 Nd7 29.
Ne3 Ba2 30. Rb2 Bc5 31. Kh1 Nb6 32. Ngf1 Rc8 33. Ra1 Be6 34. Rc1 Bd4 35. Rxc8+
Nxc8 36. Rb1 Nd6 37. g4 Ra1 38. Rxa1 Bxa1 39. b6 Bd4 40. Ba5 f6 41. Ng2 Nc4 42.
Bb4 Nxb6 43. Ne1 Na4 44. Nd2 Nb2 45. Ng2 g5 46. h4 b5 47. hxg5 fxg5 48. Kh2 Nc4
49. Nb3 Bf2 50. Bc3 Kf7 51. Bb4 h6 52. Bc3 Na3 53. Nd2 Nc2 54. Bb2 b4 55. Kh1
Ne1 56. Kh2 Nxg2 57. Kxg2 Be3 58. Nf1 Bf4 59. Kf2 d2 {0-1 (59) Smirnov,A (2154)
-Lysyj,I (2605) Cheboksary 2021}) (8. Ng3 a6 9. b3 b6 10. Bb2 Bb7 11. e4 dxe4
12. Ncxe4 Nbd7 13. Re1 Nxe4 14. Nxe4 Nf6 15. Ng5 h6 16. Nf3 c5 17. Ne5 cxd4 18.
Bxd4 Qc7 19. Qe2 Rad8 20. Bb2 Bb4 21. Red1 Nd7 22. Ng4 Bf8 23. Qe3 f5 24. Nxh6+
gxh6 25. Be2 Bg7 26. Bxg7 Kxg7 27. Bh5 Re7 28. Rd4 Nf6 29. Rxd8 Qxd8 30. Qg3+
Kh8 31. Qg6 Nxh5 32. Qxh5 Kg7 33. Re1 Qd4 34. h3 Qd2 35. Rd1 Qg5 36. Qxg5+ hxg5
37. Rd6 b5 38. c5 Rc7 39. b4 Kf6 40. a3 Rc6 41. Rd7 Bc8 42. Ra7 e5 43. f3 e4
44. Kf2 Re6 45. fxe4 Rxe4 46. Rc7 Be6 47. Rc6 Ke5 48. Rxa6 Rc4 49. Rb6 Rc2+ 50.
Kf3 Bc4 51. Ke3 Rxg2 {0-1 (51) Suvrajit,S (2198)-Horak,M (2337) Chess.com INT
2020}) (8. b3 b6 9. Bb2 Bb7 10. Rc1 Nbd7 11. cxd5 exd5 12. Nf4 c5 13. Qf3 Nb8
14. Rfd1 cxd4 15. exd4 a6 16. Bc4 b5 17. Nfxd5 bxc4 18. Nxf6+ Qxf6 19. Qxb7 Nc6
20. Re1 Ra7 21. Rxe8 Rxb7 22. Ba3 Rb8 23. Rce1 Rxe8 24. Rxe8 h6 25. Bxf8 Kh7 {
0-1 (25) Bouah,L (2118)-February,J (1899) Pretoria 2018}) (8. a3 a5 9. Ng3 c6
10. b3 Nbd7 11. Bb2 dxc4 12. Bxc4 e5 13. Nce2 exd4 14. Nxd4 Ne5 15. Be2 c5 16.
Nb5 Bg4 17. f3 Bd7 18. Nd6 Bxd6 19. Qxd6 Qe7 20. Qd2 b6 21. e4 Rad8 22. Qc2 Nc6
23. Rad1 Be6 24. Bb5 Bd7 25. Bc4 Ne5 26. Be2 Nc6 27. Rd2 Be6 28. Rfd1 Rxd2 29.
Rxd2 Rd8 30. e5 Nd5 31. Bb5 Na7 32. Bd3 h6 33. Qd1 Nc6 34. Bb5 Ne3 35. Rxd8+
Nxd8 36. Qd3 Nd5 37. Nf5 Bxf5 38. Qxd5 Be6 39. Qd3 Qc7 40. f4 Nc6 41. Qe4 Ne7
42. Qa8+ Kh7 43. Bd3+ Bf5 44. Bxf5+ Nxf5 45. Qe4 g6 46. g4 Nh4 47. f5 Qd7 48.
fxg6+ fxg6 49. e6 Qd1+ 50. Kf2 Qd2+ 51. Kg3 Qxb2 52. e7 Qc3+ 53. Kxh4 {1-0 (53)
Ushenina,A (2291)-Alexandrova,O (2430) Antalya 2002}) 8... b6 9. cxd5 {The
position is equal.} exd5 10. Qb3 {[%CAl Rf4d5]} Bb7 11. Bd2 {[#]} Na6 $146 ({
Predecessor:} 11... c6 12. Rfe1 Nbd7 13. a4 a5 14. h3 Ba6 15. Bxa6 Rxa6 16.
Rac1 Ra8 17. f3 Bd6 {1-0 (40) Heyvaert,P (2238)-Scholz,M (1453) IECC email
2016}) 12. Rfe1 c6 13. a3 Nc7 14. Rad1 Rb8 15. Qc2 c5 16. dxc5 bxc5 {[%CAl
Bb6c5,Bc5c4][%mdl 32]} 17. Na4 c4 18. Ba5 {Black should prevent Bxc4!} Bd6 19.
Bf1 Qd7 20. g3 (20. Nc3 $11) 20... Bc6 $1 $36 {[%CAl Rc6a4][%mdl 2048] Black
is on the roll.} 21. Nc3 Bxf4 22. exf4 Rxe1 23. Rxe1 d4 24. Bxc7 Qxc7 25. Nb1 {
[#] Loses the game.} (25. Nd1 $17) 25... Ba8 $1 26. Bg2 {intending Bxa8.} Bxg2
27. Kxg2 d3 28. Qc3 {[#]} Qb7+ $1 {[%mdl 64] Double Attack} 29. Kg1 Qxb2 {
Threatens to win with ...g6.} 30. Qxc4 d2 31. Nxd2 Qxd2 32. Re7 Rf8 ({Much
less strong is} 32... Nd5 33. Qb5 $19) 33. Rxa7 (33. Rc7 $142) 33... h5 {
...Ng4 is the strong threat.} 34. f5 $2 (34. h3 $19) 34... Ng4 35. Qc5 Re8 {
Weighted Error Value: White=0.57/Black=0.11} 0-1
