Dmitry Gurevich annotates Day 2

Grandmater Dmitry Gurevich on the move.

Grandmater Dmitry Gurevich on the move.

You can play through Dmitry's notes here: http://www.viewchess.com/cbreader/2017/4/14/Game7928250.html

Grabinsky,Aaron (2345) - Smirin,Ilia (2671) [A48]

Clark Street Capital Chicago (2), 13.04.2017

[Dmitry Gurevich]

1.d4 d6 2.Nf3 Nf6 3.Bf4 g6 4.e3 Bg7 5.h3 c5 6.c3 Qb6 7.Qb3 Be6 8.Qxb6 axb6 9.a3 Nc6 10.Nbd2 0–0 11.Be2 Na5 12.0–0 Rfc8 13.Rfe1 Bd7 14.Bh2 Ba4 15.Bd3 Nd7 16.Rab1 b5 17.Be2 c4 18.Rbc1 Nb6 19.Bd1 Re8 20.Bxa4 Nxa4 21.Rc2 e5 22.Kf1 f5 23.Ng1 g5 24.Ne2

 [24.g4!?]

24...f4 25.g3 fxe3 26.fxe3 Nc6 27.g4 Rf8+ 28.Kg2 Rae8 29.Nf3 h6 30.Ng3

Black to play

Black to play

30...Rxf3! 31.Kxf3 exd4

Critical point

White to play

White to play

32.cxd4?

 [32.Nf5! d3 33.Rf2 d5 34.Ref1 Nc5 35.Nd6!? Re7 Black position looks very strong, but White is holding 36.Rd2

Black to play (variation)

Black to play (variation)

36...Ne4 37.Nxe4 Rxe4 38.Rdf2]

32...Nxd4+ 33.exd4 Rxe1 34.Nf5 d5 35.Bg3 Re4

[35...Rd1!]

36.Rd2 Nb6 37.Bf2 Nc8 38.Be3 Re6 39.h4 gxh4 40.Rh2 Nd6 41.Rxh4

[41.Nxg7! Kxg7 42.Rxh4 Ne4 43.Rh5÷]

41...Rf6 42.Rh5 Kf7 43.Bf4 Nxf5 44.gxf5 Bf8 45.Kg4 Rb6 46.Bc7 Rc6 47.Ba5 Bg7 48.f6 Rxf6 49.Rxd5 Rg6+ 50.Kh3

 [50.Kf4! Ke6 51.Rxb5]

50...Rg5

White to play

White to play

51.Rd7+?

 [51.Rd6! Bf6 52.Bc3 h5 53.Rd7+ Ke6 54.Rxb7 White is OK]

51...Ke6 52.Rxb7 Bxd4 53.Bd2 Rh5+ 54.Kg4 Rh2 55.Bc3 Bxc3 56.bxc3 Kd5 57.Rxb5+ Ke4 58.Rh5 Rg2+ 59.Kh3 Rg6 60.Kh2 Kd3+– 61.Rh3+ Kc2 62.a4 Ra6 63.Kg2 Rxa4 64.Rxh6 Kxc3 65.Kf2 Ra8 66.Ke1 Rd8 67.Rh3+ Kb2 68.Rh2+ Kc1 69.Rh5 Re8+ 70.Kf2 c3 71.Rb5 c2 72.Kf3 Kd2 73.Rd5+ Kc3 74.Rc5+ Kd3 75.Kf2 Re4 0–1

 

Smirin,Ilia (2671) - Mitkov,Nikola (2444) [C55]

Clark Street Capital Chicago (3), 13.04.2017

[Dmitry Gurevich]

1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.d3 Be7 5.0–0 0–0 6.Re1 d6 7.a4 Kh8 8.h3 Ng8 9.Nc3 f5 10.Nd5 f4 11.b4 Nf6 12.b5 Na5 13.Nxe7 Qxe7 14.Ba2 b6 15.d4 Be6 16.Ba3

[16.dxe5!? dxe5 17.Bd5!]

16...Bxa2 17.dxe5 Be6 18.exf6 Qxf6

[18...gxf6 19.Kh1 Qg7]

19.e5! Qg6

I assume the rest of the game was played in a mutual time scramble.

White to play

White to play

20.Kh2

[20.exd6 cxd6 (20...Bxh3? 21.Nh4 Qg5 22.d7 Qxh4 23.Bxf8 Rxf8 24.Re8) 21.Qxd6±]

20...Nc4 21.exd6 cxd6 22.Qd3 Qh6 23.Bb4 Rac8 24.Bc3 Bf5 25.Qd4 Rc7 26.Kg1?

[26.Re2]

26...Bxh3! 27.gxh3 Qxh3 28.Qe4?

[28.Qxf4 Kg8! 29.Ng5 Qxc3 30.Qe4 g6 31.Rad1÷]

Black to play

Black to play

28...h6??

[Missing a great chance!]

[28...Rc5! 29.Qxf4 (29.Nh2 Qxc3)

Black to play (variation)

Black to play (variation)

 

29...Kg8!! 30.Qh4 Qxf3 31.Qg3 Qxg3+ 32.fxg3 Rf3 -/+]

29.Rad1

[29.Bd4 Rf5 30.Qe8+ Kh7 31.Qe4=]

29...Rf5?

[29...Ne3!? 30.fxe3 Rxc3 31.Re2! Rxe3 32.Rxe3 Qg3+ 33.Kh1 fxe3 34.Nh2 d5 35.Rxd5 Qe1+ 36.Kg2 Qf2+ 37.Kh3 e2 38.Re5 Qf1+ 39.Kg4 Qf2 40.Kh3=]

30.Qa8+! Kh7 31.Re8 Rcc5?

[31...d5!? 32.Rh8+ Kg6 33.Qe8+ Rff7 34.Nh4+ Qxh4 35.Qe6+ Rf6 36.Bxf6 Qxf6 37.Qxd5±]

32.Rh8+ Kg6 33.Qe8+ Rf7 34.Rf8 Rcf5 35.Qe6+ Kh5 36.Rxf7 Ne3 37.Rxf5+ Nxf5 38.Rd5 Qxf3 39.Qxf5+ 1–0

 

Ulrich,Rachel (2081) - Chow,Albert (2152) [B42]

Clark Street Capital Chicago (3), 13.04.2017

[Dmitry Gurevich]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6 5.Bd3 Nf6 6.Nc3 Qc7 7.Qe2 d6 8.0–0 g6 9.Kh1 Bg7 10.f4 0–0 11.Be3 Nc6 12.Bg1 Nd7 13.Nf3 Nc5 14.Rae1 b5 15.e5 Nxd3 16.cxd3 Bb7 17.d4 d5 18.g4 Qd7 19.Nd2 b4 20.Nd1 a5 21.Rf3 Ba6 22.Qe3 a4 23.f5 Rfc8 24.f6 Bf8 25.Rh3 b3 26.a3 Na5

White to play

White to play

 

28.Nf1??

 Probably time pressure

[28.Rxh7! Kxh7 29.Qh4+ Kg8 30.Nf3 Qb7 31.Ng5 Bg7 32.Qh7+ Kf8 33.fxg7+ Ke7 34.g8Q Rxg8 35.Qxf7+ Kd8 36.Nxe6+ Kc8 37.Qxg8+ Kd7 38.Nc5+ Kc6 39.Qxg6+]

28...Qd8 29.Ng3 Qa5

30.Rh6?

 [30.Nc3 Nxe5 (30...Ra7? 31.Nf5 exf5? 32.gxf5) 31.dxe5 Rxc3 32.bxc3 Qxc3µ]

30...Qxe1 31.Qh4 Qxd1 32.h3 Ne3  0–1

 

Meduri,Aakaash (2042) - Stevens,Matthew (2049) [D00]

Clark Street Capital Chicago (3), 13.04.2017

[Dmitry Gurevich]

1.d4 d5 2.Nf3 c6 3.Bg5 h6 4.Bh4 Qb6 5.Qc1 Bf5 6.Nbd2 e6 7.c4 Nd7 8.c5 Qa5 9.a3 Be7 10.e3 Qd8 11.Bg3 Ngf6 12.h3 0–0 13.Be2 Ne4 14.Nxe4 Bxe4 15.0–0 Bf6 16.b4² a5 17.b5 Re8

 [17...e5!? 18.Nxe5 (18.dxe5 Bxf3 19.Bxf3 Bxe5) 18...Bxe5 19.dxe5 Qe7]

18.Qc3 Rc8

 [18...e5!? 19.Nxe5 Bxe5 20.dxe5 Qe7 21.Rfc1 Nxe5 22.bxc6 bxc6 23.Ra2²]

19.b6 Bxf3

 [19...a4!? 20.Ra2 Ra8 21.Bd1 Bxf3 22.Bc7 (22.Bxf3 e5) 22...Qc8 23.Bxf3 e5 24.Bg4²]

20.Bxf3 Ra8

 [20...e5!? 21.Rae1 Ra8]

21.Bc7! Qe7 22.Bd6 Qd8 23.Bc7 Qc8

 [23...Qe7 24.Rae1 e5!?]

24.Bg4 g6

White to play

White to play

 

25.f4 Bg7

 [25...Bd8!? 26.Be5 f6 27.Bd6 f5 28.Bf3 Be7]

26.Bf3

Black to play

Black to play

26...f5

[26...Bf6!? 27.Be5 Be7 28.e4 f5 29.exf5 exf5 30.Rae1 Nxe5 31.dxe5 Qe6]

27.g4!? Nf6 28.Ra2 Kh7 29.Rg2 Ne4 30.Qe1! Qd7 31.Kh1 Bf6 32.Rfg1

Black to play

Black to play

 

32...Qe7

[32...Rg8 33.g5 Bh8 (33...hxg5 34.fxg5 Bh8 35.h4) 34.Bxe4 dxe4 35.gxh6]

33.gxf5 gxf5 34.Bh5!+– Rg8 35.Bg6+ Kh8 36.Qe2 Bg7 37.Qh5 Nf6 38.Qh4 Rac8 39.Bd6 Qd7 40.Be5 Rcf8 41.Rg5! Qe7 42.Rh5 1–0