[Event "86th ch-Paris IdF"]
[Site "Paris FRA"]
[Date "2011.07.04"]
[Round "3.1"]
[White "Sethuraman, S."]
[Black "Panchanathan, M."]
[Result "0-1"]
[ECO "E05"]
[WhiteElo "2529"]
[BlackElo "2556"]
[Annotator "Müller,Karsten"]
[PlyCount "82"]
[EventDate "2011.07.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "FRA"]
[Source "Chess Today"]
[SourceDate "2011.07.13"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 Be7 5. Bg2 O-O 6. O-O dxc4 7. Qc2 a6 8. Qxc4
b5 9. Qc2 Bb7 10. Bd2 Be4 11. Qc1 Nbd7 12. Ba5 Rc8 13. Nbd2 Ba8 14. a3 Bd6 15.
Re1 Ne4 16. Nxe4 Bxe4 17. Qe3 Ba8 18. Ne5 Bxg2 19. Kxg2 Bxe5 20. dxe5 Nb6 21.
Red1 Nc4 22. Qc5 Qg5 23. Bc3 h5 24. b3 Nb6 25. e4 f5 26. Qc6 Qg6 27. Bb4 fxe4
28. Bxf8 Rxf8 29. Rd4 e3 30. f3 h4 31. Qe4 Qxe4 32. fxe4 Rf2+ 33. Kh3 c5 34.
Rd6 c4 35. Rxb6 e2 36. Re1 cxb3 37. a4 b2 $1 (37... bxa4 $2 {runs into} 38.
Kxh4 {when in many lines White's kings helps his rooks to weave a mating net,
e.g.} Rf3 (38... Rxh2+ $6 39. Kg5 Rf2 $6 40. Kg6 $18) 39. Rxe2 a3 40. Kg5 b2
41. Re1 Kh7 42. Rxa6 Rc3 43. Rd1 (43. g4 $5) 43... Rc1 44. Rd8 b1=Q 45. Raa8
$18 {and the queen is powerless.}) 38. axb5 a5 $3 {and White's rook b6 can
surprisingly not join the defence. The counterplay with the passed pawn b5 is
also too slow.} (38... Rf1 $2 39. bxa6 Rxe1 40. Rxb2 hxg3 41. a7 Ra1 42. Rxe2
gxh2 43. Kxh2 Rxa7 $11) (38... axb5 $4 39. Rxb5 $18) 39. Rb8+ (39. Ra6 Rf1 $19)
39... Kh7 40. b6 Rf1 41. Rb1 (41. b7 b1=Q 42. Rxb1 Rxb1 43. Rc8 e1=Q 44. b8=Q
Rxb8 45. Rxb8 Qxe4 $19) 41... e1=Q (41... e1=Q 42. Rxb2 Qxe4 43. b7 Qf5+ 44.
Kxh4 g5+ 45. Kh5 Qh3+ 46. Kxg5 Rf5#) 0-1

