Feldgrösse (Pixel): 42 52 64 74 84

Kjartansson, Gudmundur (2438) - Di Berardino, Diego Rafael (2516)
IV Floripa Chess Open 2018 (Florianopolis), 22.01.2018

[%evp 18,147,27,31,37,20,29,29,33,29,29,33,37,35,33,15,10,25,18,31,31,34,51, 30,31,29,52,38,46,46,119,50,287,120,118,121,122,122,115,114,167,110,118,109, 127,98,95,96,120,120,120,118,126,104,113,117,131,131,125,111,110,100,96,95,103, 102,132,135,162,164,155,141,110,82,89,85,83,99,145,143,176,177,177,166,233,226, 337,297,289,289,279,279,279,264,339,339,327,332,332,313,315,303,348,329,333, 307,354,342,483,522,666,665,762,700,716,549,621,598,559,456,732,558,716,707, 671,646,2377,1378,1210,892,842,814] 1.d4 Nf6 2.c4 e6 3.Nf3 d5 4.Nc3 a6 5.cxd5 exd5 6.Bg5 [%emt 0:00:05] D37: Queen's Gambit Declined: Bf4 Be6 7.e3 Nbd7 8.Bd3 Bd6 9.O-O [ 9.Bf4 Qe7 10.O-O O-O 11.h3 Rfe8 12.Qc2 1/2-1/2 (12) Aronian,L (2805)-Carlsen,M (2837) Riadh 2017 ]
9...O-O 10.h3 LiveBook: 3 Games c6 11.Qc2 Qc7 12.Ne2 Rfe8 [Predecessor: 12...h6 13.Bf4 Bxf4 14.exf4 1/2-1/2 (24) Elias,H (2057)-De Mingo Matias,J (2176) ICCF email 2017 ]
13.Bf4 h6 14.Bxd6 Qxd6 15.Ng3 Rac8 16.Rad1 c5 17.dxc5 Nxc5 18.Qb1 Qb6 19.Nd4 Nfe4 20.Nge2 Qc7 21.Rfe1 Qe5 22.Nf4 Qf6 23.f3 Ng3 [Black should play 23...Nd6+= ]]
24.Kh2 [ 24.Bh7++/- Kh8 25.Kh2 ]
24...Qg5? [ 24...Nxd3+= 25.Qxd3 Nf5 ]
25.Ndxe6 [ 25.Nfxe6+- is the precise move to win. Nxe6 26.f4 Nxf4 27.Nf3 ( 27.exf4 Qxf4 28.Nf3 Re3+/- ]]
25...Nxe6+/- 26.Bh7+ Kh8 27.Rxd5 Qf6 28.Nxe6 fxe6 [ 28...Rxe6+/- was called for. 29.Kxg3 g6 ]
29.Ra5 [ 29.Rd7+- Nf5 30.Bxf5 exf5 31.Rxb7 ]
29...Qh4 30.b3 e5 31.Ra4 e4 32.Bxe4 b5 33.Rxa6 Threatens to win with Bg6. Nxe4 34.fxe4 Rxe4 35.Rg6 Qe7 36.Qb2 Kh7 37.Rg3! b4 38.Kh1 Rc3 39.Qf2 Qe5 40.Rf3 Qc5 41.Rf5 Qd6 42.Rf4 Re7 43.Rd4 Qc5 44.Qf4 Rc2 45.Rxb4 Black must now prevent Rc4. Rxa2 46.Rc4 Qd5 [%csl Ga2][%cal Rd5g2] 47.e4 [%cal Be3e4,Be4e5,Be5e6] [%mdl 32] Qe6 48.e5 Ra5 49.Qe4+! Qg6 50.e6 Rf5 [ 50...Qxe4 51.Rcxe4 Ra6 ]
51.b4+- [%cal Bb3b4,Bb4b5] [%mdl 32] h5 [ 51...Rf6 was necessary. 52.Qxg6+ Kxg6 ]
52.Kh2 Rf2 intending ...Rxe6. 53.Qxg6+ Kxg6 [%mdl 4096] Endgame KRR-KRR 54.b5 Rb2 55.Rc5 h4 56.Re4 Kf6 57.Rce5 [Don't play 57.Rxh4 Kxe6 58.Rhh5 Kf7+- ]]
57...Rb1 58.Re1 Rb2 59.Kg1 g6 60.R1e2 Rb1+ 61.Kf2 Rb3 62.Ke1 g5 [ 62...Rb1+ was worth a try. 63.Kd2 Rg1 ]
63.Kd2 White is clearly winning. Kg6 64.Kc2 Rb4 65.Kc3 Rb1 66.Rb2 Rc1+ 67.Kb4 Kf6 68.Re3 Rc8 [ 68...Rxe6 69.Rc3 Rce1 70.Rf2+ Ke7 ]
69.Rf2+ Kg6 70.b6 Rb7 71.Kb5 Rcb8 72.e7! Rxb6+ [#] 73.Ka5! Rb5+ [#] 74.Ka4! Precision: White = 80%, Black = 40%.

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