Feldgrösse (Pixel): 42 52 64 74 84

Barbosa, Evandro Amorim (2518) - Molina, Roberto Junio Brito (2448)
IV Floripa Chess Open 2018 (Florianopolis), 22.01.2018

[%evp 20,108,13,14,23,16,21,6,17,16,24,10,23,0,41,39,39,39,34,38,51,43,67,69, 56,54,57,54,62,74,65,65,147,69,81,81,143,144,224,231,256,123,247,210,212,193, 246,212,198,177,212,192,197,207,191,162,245,259,237,177,181,110,418,175,150,73, 82,0,14,-54,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0] 1.c4 e6 2.Nf3 d5 3.b3 Nf6 4.g3 Bd6 5.Bb2 O-O 6.Bg2 c6 7.O-O Nbd7 8.d4 Ne4 9.Nbd2 Qe7 10.Qc2 f5 11.Ne5 Nxe5 A90: Dutch Defence: Miscellaneous and Modern Stonewall (with . ..Bd6) 12.dxe5 Bc5 13.Rac1 Black should prevent cxd5. b6 14.Nf3 Bb7 15.e3 Rac8 16.Nd4 Rfd8 17.f3 [Predecessor: 17.Rfd1 h6 18.Qe2 Ba6 19.Qh5 Bxd4 20.exd4 dxc4 21.bxc4 1/2-1/2 (60) Anwesh,U (2429)-Krejci,J (2503) Chennai 2011 ]
17...Ng5 18.cxd5 cxd5 Hoping for ...Bxd4. 19.Qd3 Qd7 20.Rf2 a5 21.Rfc2 Ra8 22.a3 Ba6 23.Qd2 Rac8 24.b4 axb4 25.axb4 Bf8 [ 25...Bxd4!+= 26.Qxd4 ( 26.exd4 Rxc2 27.Qxc2 Bc4= 26...Rxc2 27.Rxc2 Qb5 ]
26.Nc6 [ 26.Rxc8+/- Rxc8 27.Rxc8 Qxc8 28.e4 ]
26...Re8+= 27.e4 [%cal Be3e4,Be4f5] [%mdl 32] Bb7 [ 27...fxe4 28.fxe4 ( 28.Qxg5 Bd3+/- 28...d4 ]
28.b5 [%mdl 2048] White is on the roll. Nf7 [ 28...Bc5++/- 29.Rxc5 bxc5 ]
29.exf5+- Bc5+ [#] 30.Kh1 [ 30.Bd4!+- and the rest is easy. ]
30...Bxc6 [ 30...exf5+/- 31.Bd4 Bxc6 ]
31.bxc6 Qxc6 32.f4 Red8 [ 32...exf5 33.Bxd5 Qd7 ]
33.fxe6 Qxe6 34.Bd4 Bxd4 35.Qxd4 Black must now prevent Rxc8. Rc4 36.Qd3 [Don't take 36.Rxc4?! dxc4 37.Qb2 g5+/- ]]
36...b5 37.Rd1 Rxc2 [ 37...d4 was called for. 38.Rb2 b4 ]
38.Qxc2 d4 39.Qe4 Qc4 [#] 40.e6 [ 40.h3!+- ]
40...Nh6? [%mdl 8192] [ 40...Nd6+/- 41.e7 ( 41.Qxd4 Qxd4 42.Rxd4 Kf8+= 41...Re8 42.Qd5+ ( 42.Qxd4 Qxd4 43.Rxd4 Rxe7+/- 42...Qxd5 43.Bxd5+ Kh8 ]
41.h3 [ 41.Re1 ]
41...d3 42.Qe5 [ 42.g4 Threatens to win with g5. Qxe4 43.Bxe4 ]
42...Kh8+/- 43.f5 [White should try 43.Qe3+/- ]
43...Ng8 44.g4 [Better is 44.Qe3= ]
44...h6 [ 44...Qc2!=+ 45.Bf3 Qf2 ]
45.Qe3 The position is equal. d2 46.g5 Strongly threatening f6. hxg5 47.Qxg5 Nf6 And now ...Qe2 would win. 48.e7 Re8 49.Rxd2 Qc1+ 50.Kh2 Qc7+ 51.Qg3 Qxe7 52.Rd4 Qe5 53.Qxe5 Rxe5 54.Rb4 Rc5 Precision: White = 56%, Black = 40%.

1/2-1/2

The chess pieces created by Colin M.L. Burnett. are distributed under the terms of GFDL & BSD & GPL.