(1) Yermolinsky,Alex (2478) - Sulava,Nenad (2466) [A36]
Suleymanpasa Municipality RodostoSah GM Tekirdag (1.4), 02.11.2016
[Stockfish 8 64 POPCNT (30s)]

A36: Symmetrical English vs ...g6:4 Bg2 Bg7

1.c4 c5 2.Nc3 g6 3.g3 Bg7 4.Bg2 Nc6 5.a3
Controls b4

5...b6 6.e3
Consolidates d4

6...Nf6 7.Nge2 0-0 8.0-0 Bb7 9.d4 Na5 10.e4
[10.Bxb7 Nxb7 11.dxc5 bxc5= ]

10...cxd4=/+ 11.Nxd4 e5
[11...Ne8!?=/+ ]

12.Ndb5= Nxc4 13.Qd3
White threatens to win material: Qd3xc4

13...a6
Black threatens to win material: a6xb5

14.Qxc4 axb5 15.Nxb5
The knight likes it on b5

15...Ba6
[15...Bxe4!? is an interesting alternative 16.Bxe4 d5 17.Bxd5 Qxd5= (17...Nxd5?? 18.Rd1+- ) ]

16.a4 Qe7 17.Be3
White threatens to win material: Be3xb6

17...Rfc8
Black threatens to win material: Rc8xc4

18.Qb3
White has an active position

18...Rc6
[18...Qe6 19.Qxe6 dxe6 20.Rfc1 Rxc1+ 21.Rxc1 Bxb5 22.axb5+/= ]

19.h3
[19.Rfc1!? Qd8 20.Rxc6 dxc6 21.Rd1+/- ]

19...Qe6+/= 20.Qxe6 fxe6
Black has new doubled pawns: e5+e6

21.Rfd1 Kf7 22.f4
[22.g4 h6+/= ]

22...Bxb5= 23.axb5 Rxa1 24.Rxa1
White has the pair of bishops

24...Rc2 25.fxe5 Nh5
Black threatens to win material: Nh5xg3

26.Ra7
White threatens to win material: Ra7xd7

26...Bxe5
A sound move

27.Rxd7+ Ke8
Black threatens to win material: Ke8xd7

28.Rb7
White threatens to win material: Rb7xb6

28...Nxg3 29.Bf3 Rxb2 30.Rxb6
White has a new passed pawn: b5

30...Rb1+ 31.Kf2 Rb2+ 32.Ke1 Kf7 33.Rb7+ Kf6
[33...Kg8 34.b6= ]

34.h4
White has a mate threat [34.Bh6 Bc3+ 35.Kd1 Rf2 36.Bg7+ Kg5 37.Bxc3 Rxf3+/- ]

34...Bc3+
[34...Rb1+!? 35.Kf2 Rb2+ 36.Ke1 Rb1+ 37.Kf2 Rb2+ 38.Ke1= ]

35.Kd1+/= Ke5 36.b6
Is this a dangerous pawn? [36.Rf7 Nh5= ]

36...Nxe4
[36...Bd4 37.Bh6 Rxb6 38.Rxh7 Nxe4 39.Rf7= ]

37.Rxh7
[37.Rd7!? Nd2 38.Bxd2 (38.Rxd2?! Bxd2 39.Bxd2 Rxb6= ) 38...Bxd2 39.b7+/- ]

37...Bd4= 38.Bxd4+ Kxd4 39.Rd7+ Ke3 40.Bxe4 Kxe4 41.b7 e5 42.Kc1
White threatens to win material: Kc1xb2

42...Rb6 43.Kc2 Kf5 44.Kd3 Ke6
Black threatens to win material: Ke6xd7

45.Rg7
White threatens to win material: Rg7xg6

45...Kd5 46.Ke3 Rb3+ 47.Kf2 Ke4 48.Rxg6 Rxb7 49.h5 Kf5 50.Ra6 Rh7 51.h6 Kg5 52.Re6 Rxh6 1/2-1/2