Fritz 11 Analysis of Kavinayan Sivakumar Vs Eric Rosen

http://www.uschessleague.com/games/sivakumarrosen09.htm

Week 6: Sivakumar,Kavinayan - Rosen,Eric
USCL 2009 05.10.2009

1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.c3 Nf6 5.d3 a6 6.Bb3 d6 7.0–0 Ba7 8.Nbd2 Ne7 9.Re1 Ng6 10.Nf1 0–0 11.Ng3

[11.Be3 Bxe3 12.fxe3 d5 13.exd5 Nxd5 14.Ng3 Nf6 15.Bc2 Re8 16.d4 Bg4 17.h3 Bxf3 18.Qxf3 Qd5 19.Qxd5 Nxd5 20.c4 Nf6 21.Bxg6 hxg6 22.d5 e4 23.Red1 Nd7 24.Rd4 f5 25.Ne2 Ne5 Pedersen,D (2294)-Shanmugam,R (2156)/Budapest 2006/CBM 113 ext/½–½ (59)]

11...Bg4N

[11...Be6 12.Bc2 (12.d4 h6 13.h3 Re8 14.Nf5 Qc8 15.g4 exd4 16.N3xd4 Bxb3 17.Qxb3 Rxe4 18.Bxh6 Bxd4 19.Bxg7 Rxe1+ 20.Rxe1 Nxg4 21.Ne7+ Nxe7 22.Rxe7 Qf5 23.Bxd4 Ne5 24.Bxe5 Qg5+ 25.Bg3 Qxe7 26.Qxb7 Qd8 Bhat,V (2431)-Haslinger,S (2410)/Dos Hermanas 2004/CBM 099 ext/½–½ (54)) 12...Re8 13.h3 d5 14.Ng5 Bc8 15.exd5 h6 16.N5e4 Nxd5 17.Qf3 Be6 18.Bb3 Ndf4 19.Bxf4 exf4 20.Nh5 Bxb3 21.Nef6+ gxf6 22.Rxe8+ Qxe8 23.Nxf6+ 1–0 Gunnarsson,J (2366)-Slobodjan,R (2529)/Ohrid 2001/CBM 084]

12.h3 Be6 13.d4!?

[13.Bc2 Preserve bishops. RBR 13...d5 14.exd5 Qxd5 15.Bb3 Qd6 16.Bxe6 Qxe6 17.d4 e4 18.Ng5]

13...c6

Controls d5

14.Bxe6 fxe6 15.dxe5

[15.Qb3 Qc8±]

15...dxe5

[15...Nxe5!? 16.Be3 Nxf3+ 17.Qxf3 Nd5=]

16.Qb3±

White pins: Qb3xe6

16...Qc8 17.Be3 Bxe3 18.Rxe3 Rd8

[18...c5 19.Rd1²]

19.Ng5 Nf4 20.Nf5 Kf8 21.g3 h6 22.gxf4 hxg5 23.fxg5

[23.Nd6 Rxd6 24.fxe5±]

23...Nh5?

[¹23...exf5 and Black has air to breath 24.gxf6 f4 25.fxg7+ Kxg7=]

24.Nh4 Nf4 25.Rf3 Kg8 26.Ng2 Nxg2 27.Kxg2 Qd7 28.h4 Rf8

[28...c5 29.g6 b5 30.a4+-]

29.Qd1

[29...Qe7 30.Rfd3 Qf7+-]

29...Qe7

[29...Rfd8 30.Qh1±]

30.Qe2

[30.Rxf8+ Rxf8 31.Qh5 Qf7 32.Qxf7+ Rxf7+-]

30...Rxf3

[30...g6 31.Rxf8+ Rxf8 32.Rd1±]

31.Qxf3+-

[31.Kxf3?! Qf7+ 32.Kg2 Qf4±]

31...Rf8 32.Qg3

[32.Qh5!? Qf7 33.Qxf7+ Kxf7 34.Rd1+-]

32...Rf4± 33.f3 Qd8 34.Qe1 Qd3 35.Qf2 Rf8 36.Re1

[36.Rf1 Rf4±]

36...Rd8 37.Re2 Qd1 38.Qf1 Qd3 39.Qf2 Qd1 40.Rc2 Rd3 41.Qe2 Kf7 42.Qxd1 Rxd1 43.h5 Rd8 44.Kg3 Rd1 45.Rg2 Rh1

Black threatens to win material: Rh1xh5

46.Kg4 a5 47.b3 Ke7 48.c4 b6 49.a3 Kf7 50.Rf2

[50.a4!?²]

50...Rg1+= 51.Kh4 Rh1+ 52.Kg4 Rg1+ 53.Kh4 Rh1+ 54.Kg4 Rg1+

½–½