FIDE Online Olympiad 2020
August 23, 2020
Top Division Pool D (continued)
Brazil – Canada
Round 8, August 23
Demchenko, Svitlana – De Freitas, Isabella Ribeiro
B42 Sicilian, Kan
1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6 5.Bd3 Qc7 6.Qe2 d6 7.c4 Nf6 8.O-O Nbd7 9.Nc3 Be7 10.f4 O-O 11.Be3 b6 12.Rac1 Bb7 13.b4 Rac8 14.a3 Qb8 15.g4 Qa8 16.Bf2 g6 17.Bg3 e5 18.Nb3 exf4 19.Bxf4 Ne5 20.Bxe5 dxe5 21.Nd5 Nxd5 22.exd5 Rce8 23.Be4 Bg5 24.Rc3 Kh8 25.Qd1 Bf4 26.c5 f5 27.Bg2 fxg4 28.c6 Bc8 29.d6 Bf5 30.d7 Rd8 31.Rxf4 exf4 32.Qd4+ Kg8 33.Bd5+ Rf7 34.c7 Rxd7 35.c8=Q+ Rd8 36.Qxd8+ Qxd8 37.Bxf7+ Kxf7 38.Qxd8 1-0
Round 8, August 23
Do Valle Cardoso, Lucas – Hua, Eugene
B48 Sicilian, Taimanov variation
1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nc6 5.Nc3 Qc7 6.Be3 a6 7.Qd2 Nf6 8.f3 Bb4 9.O-O-O O-O 10.g4 b5 11.h4 Ne5 12.g5 Nh5 13.Rg1 Bb7 14.a3 Bxc3 15.Qxc3 Qxc3 16.bxc3 Rac8 17.Kb2 d5 18.f4 Nc4+ 19.Bxc4 Rxc4 20.e5 Rfc8 21.Bd2 g6 22.Nb3 Ba8 23.Rdf1 Ng7 24.Rf3 Nf5 25.Rd3 Nxh4 26.Nd4 Nf5 27.Nxf5 exf5 28.Re1 a5 29.Rd4 Bc6 30.e6 Re8 31.e7 f6 32.gxf6 Kf7 33.Rxc4 dxc4 34.Re5 Kxf6 35.Be1 h6 36.Rc5 Bd7 37.a4 bxa4 38.Rxc4 Rxe7 39.Bf2 g5 40.Bb6 Be6 41.Rc6 Rb7 42.Ka3 g4 43.Bf2 h5 44.c4 Rb4 45.c5 Rxf4 46.Bh4+ Kf7 47.Rc7+ Kg6 48.Re7 Re4 49.c6 Bc8 50.Rc7 Re8 51.Bg3 Re3+ 52.Kxa4 Rxg3 53.Rxc8 Rc3 54.c7 Kg7 55.Kxa5 Rxc2 56.Kb6 h4 57.Rd8 Rxc7 58.Kxc7 h3 59.Kd6 h2 0-1
Final Position
Black wins in 15 moves
Round 8, August 23
Golubeva, Oksana – Alboredo, Julia
A05 Reti, King’s Indian Attack
1.Nf3 Nf6 2.g3 g6 3.b3 Bg7 4.Bb2 O-O 5.Bg2 d5 6.c4 dxc4 7.bxc4 c5 8.Nc3 Nc6 9.O-O Bd7 10.Rb1 Bf5 11.d3 Qd7 12.Nd5 Rab8 13.Qd2 Bh3 14.Nxf6+ exf6 15.Qf4 Bxg2 16.Kxg2 f5 17.Bxg7 Kxg7 18.Qe5+ Nxe5 19.Nxe5 Qe6 20.Nf3 Qxe2 21.Rb3 Qxa2 22.Rfb1 Qa6 23.Rb5 Qc6 24.R5b3 g5 25.d4 g4 26.d5 gxf3+ 27.Rxf3 Qd7 28.h3 b5 29.g4 fxg4 30.hxg4 bxc4 31.Rh1 Qxd5 32.Kg3 Rb3 0-1
Round 8, August 23
Panjwani, Raja – Fier, Alexandr
A05 Reti, King’s Indian Attack
1.Nf3 Nf6 2.g3 g6 3.b3 d6 4.d4 Bg7 5.Bb2 c5 6.c4 Ne4 7.Bg2 Qa5+ 8.Nbd2 Nc6 9.e3 O-O 10.O-O Nxd2 11.Qxd2 Qxd2 12.Nxd2 cxd4 13.Bxc6 dxe3 14.Bxg7 Kxg7 15.Bf3 exd2 16.Rfd1 Rb8 17.Rxd2 Be6 18.a4 a5 19.Re1 Kf6 20.Rd4 g5 21.h4 h6 22.Kg2 Rfc8 23.Rh1 Rc5 24.hxg5+ hxg5 25.g4 Re5 26.Kg3 Kg7 27.Be4 b6 28.Rh7+ Kg8 29.Rh6 Bc8 30.f4 gxf4+ 31.Kxf4 Bb7 32.Bf5 Re2 33.Rd3 Bg2 34.g5 Rf2+ 35.Kg4 e6 36.Bh7+ Kf8 37.Kg3 Re2 38.Rh2 Bf1 39.Rxe2 Bxe2 40.Rxd6 Ke7 41.Rd2 Bh5 42.Kh4 Bf3 43.Kg3 Bc6 44.Kf4 Rh8 45.Rh2 Kd6 46.Rh6 Be8 47.Be4 Rg8 48.Bh7 Rg7 49.Rh5 Bd7 50.Ke4 Bc6+ 51.Kf4 Be8 52.Ke4 f5+ 53.gxf6 Rg4+ 54.Kf3 Bxh5 0-1
Position after Black’s 51…Be8. What move should White now play?
Round 8, August 23
Supi, Luis Paulo – Noritsyn, Nikolay
B90 Sicilian, Najdorf, Adams Attack
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.h3 e6 7.g4 b5 8.Bg2 Bb7 9.O-O Nfd7 10.a4 bxa4 11.Rxa4 Be7 12.Rb4 Nc5 13.Nf5 exf5 14.Rxb7 Nxb7 15.exf5 Ra7 16.Qd4 Nc5 17.Qxg7 Bf6 18.Qh6 Bxc3 19.bxc3 Re7 20.Rd1 Nbd7 21.Bf4 Ne4 22.Kh2 Qb6 23.Rd4 d5 24.Rxd5 Qxh6 25.Bxh6 f6 26.Rd4 Nxc3 27.Rc4 Kf7 28.Rxc3 Nb6 29.Rc6 Rb8 30.Bf4 Rbb7 31.Rd6 a5 32.Be3 Nc8 33.Rd8 Nb6 34.Rd6 Nc8 35.Bd5+ Ke8 36.Rd8+ Kxd8 0-1
Round 8, August 23
Terao, Juliana Sayumi – Zhou, Qiyu
C77 Ruy Lopez, Anderssen variation
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.d3 b5 6.Bb3 Be7 7.O-O O-O 8.c3 d6 9.Nbd2 h6 10.Re1 Be6 11.Bc2 Re8 12.Nf1 Bf8 13.Bd2 d5 14.a4 Rb8 15.axb5 axb5 16.exd5 Bxd5 17.Ng3 Qd7 18.h3 Bd6 19.Ne4 Nxe4 20.dxe4 Be6 21.b3 Ra8 22.Qe2 Ne7 23.Be3 Qc6 24.Bd2 b4 25.c4 Qb6 26.Be3 c5 27.Red1 Rxa1 28.Rxa1 Nc6 29.Ne1 Nd4 30.Bxd4 cxd4 31.Nd3 Bd7 32.Qd2 Bc6 33.f3 Ra8 34.Rxa8+ Bxa8 35.Bd1 Qa5 36.Bc2 Bc6 37.Qe1 f6 38.Kf1 g6 39.Qb1 Qa3 1/2-1/2
Results of Round Eight
Cuba-Paraguay 3-3
Italy-Greece 1-5
Brazil-Canada 2.5-3.5
USA-Peru 3-3
Argentina-Poland 2.5-3.5
August 23, 2020
Top Division Pool D (continued)
Brazil – Canada
Round 8, August 23
Demchenko, Svitlana – De Freitas, Isabella Ribeiro
B42 Sicilian, Kan
1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6 5.Bd3 Qc7 6.Qe2 d6 7.c4 Nf6 8.O-O Nbd7 9.Nc3 Be7 10.f4 O-O 11.Be3 b6 12.Rac1 Bb7 13.b4 Rac8 14.a3 Qb8 15.g4 Qa8 16.Bf2 g6 17.Bg3 e5 18.Nb3 exf4 19.Bxf4 Ne5 20.Bxe5 dxe5 21.Nd5 Nxd5 22.exd5 Rce8 23.Be4 Bg5 24.Rc3 Kh8 25.Qd1 Bf4 26.c5 f5 27.Bg2 fxg4 28.c6 Bc8 29.d6 Bf5 30.d7 Rd8 31.Rxf4 exf4 32.Qd4+ Kg8 33.Bd5+ Rf7 34.c7 Rxd7 35.c8=Q+ Rd8 36.Qxd8+ Qxd8 37.Bxf7+ Kxf7 38.Qxd8 1-0
Round 8, August 23
Do Valle Cardoso, Lucas – Hua, Eugene
B48 Sicilian, Taimanov variation
1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nc6 5.Nc3 Qc7 6.Be3 a6 7.Qd2 Nf6 8.f3 Bb4 9.O-O-O O-O 10.g4 b5 11.h4 Ne5 12.g5 Nh5 13.Rg1 Bb7 14.a3 Bxc3 15.Qxc3 Qxc3 16.bxc3 Rac8 17.Kb2 d5 18.f4 Nc4+ 19.Bxc4 Rxc4 20.e5 Rfc8 21.Bd2 g6 22.Nb3 Ba8 23.Rdf1 Ng7 24.Rf3 Nf5 25.Rd3 Nxh4 26.Nd4 Nf5 27.Nxf5 exf5 28.Re1 a5 29.Rd4 Bc6 30.e6 Re8 31.e7 f6 32.gxf6 Kf7 33.Rxc4 dxc4 34.Re5 Kxf6 35.Be1 h6 36.Rc5 Bd7 37.a4 bxa4 38.Rxc4 Rxe7 39.Bf2 g5 40.Bb6 Be6 41.Rc6 Rb7 42.Ka3 g4 43.Bf2 h5 44.c4 Rb4 45.c5 Rxf4 46.Bh4+ Kf7 47.Rc7+ Kg6 48.Re7 Re4 49.c6 Bc8 50.Rc7 Re8 51.Bg3 Re3+ 52.Kxa4 Rxg3 53.Rxc8 Rc3 54.c7 Kg7 55.Kxa5 Rxc2 56.Kb6 h4 57.Rd8 Rxc7 58.Kxc7 h3 59.Kd6 h2 0-1
Final Position
Black wins in 15 moves
Round 8, August 23
Golubeva, Oksana – Alboredo, Julia
A05 Reti, King’s Indian Attack
1.Nf3 Nf6 2.g3 g6 3.b3 Bg7 4.Bb2 O-O 5.Bg2 d5 6.c4 dxc4 7.bxc4 c5 8.Nc3 Nc6 9.O-O Bd7 10.Rb1 Bf5 11.d3 Qd7 12.Nd5 Rab8 13.Qd2 Bh3 14.Nxf6+ exf6 15.Qf4 Bxg2 16.Kxg2 f5 17.Bxg7 Kxg7 18.Qe5+ Nxe5 19.Nxe5 Qe6 20.Nf3 Qxe2 21.Rb3 Qxa2 22.Rfb1 Qa6 23.Rb5 Qc6 24.R5b3 g5 25.d4 g4 26.d5 gxf3+ 27.Rxf3 Qd7 28.h3 b5 29.g4 fxg4 30.hxg4 bxc4 31.Rh1 Qxd5 32.Kg3 Rb3 0-1
Round 8, August 23
Panjwani, Raja – Fier, Alexandr
A05 Reti, King’s Indian Attack
1.Nf3 Nf6 2.g3 g6 3.b3 d6 4.d4 Bg7 5.Bb2 c5 6.c4 Ne4 7.Bg2 Qa5+ 8.Nbd2 Nc6 9.e3 O-O 10.O-O Nxd2 11.Qxd2 Qxd2 12.Nxd2 cxd4 13.Bxc6 dxe3 14.Bxg7 Kxg7 15.Bf3 exd2 16.Rfd1 Rb8 17.Rxd2 Be6 18.a4 a5 19.Re1 Kf6 20.Rd4 g5 21.h4 h6 22.Kg2 Rfc8 23.Rh1 Rc5 24.hxg5+ hxg5 25.g4 Re5 26.Kg3 Kg7 27.Be4 b6 28.Rh7+ Kg8 29.Rh6 Bc8 30.f4 gxf4+ 31.Kxf4 Bb7 32.Bf5 Re2 33.Rd3 Bg2 34.g5 Rf2+ 35.Kg4 e6 36.Bh7+ Kf8 37.Kg3 Re2 38.Rh2 Bf1 39.Rxe2 Bxe2 40.Rxd6 Ke7 41.Rd2 Bh5 42.Kh4 Bf3 43.Kg3 Bc6 44.Kf4 Rh8 45.Rh2 Kd6 46.Rh6 Be8 47.Be4 Rg8 48.Bh7 Rg7 49.Rh5 Bd7 50.Ke4 Bc6+ 51.Kf4 Be8 52.Ke4 f5+ 53.gxf6 Rg4+ 54.Kf3 Bxh5 0-1
Position after Black’s 51…Be8. What move should White now play?
Round 8, August 23
Supi, Luis Paulo – Noritsyn, Nikolay
B90 Sicilian, Najdorf, Adams Attack
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.h3 e6 7.g4 b5 8.Bg2 Bb7 9.O-O Nfd7 10.a4 bxa4 11.Rxa4 Be7 12.Rb4 Nc5 13.Nf5 exf5 14.Rxb7 Nxb7 15.exf5 Ra7 16.Qd4 Nc5 17.Qxg7 Bf6 18.Qh6 Bxc3 19.bxc3 Re7 20.Rd1 Nbd7 21.Bf4 Ne4 22.Kh2 Qb6 23.Rd4 d5 24.Rxd5 Qxh6 25.Bxh6 f6 26.Rd4 Nxc3 27.Rc4 Kf7 28.Rxc3 Nb6 29.Rc6 Rb8 30.Bf4 Rbb7 31.Rd6 a5 32.Be3 Nc8 33.Rd8 Nb6 34.Rd6 Nc8 35.Bd5+ Ke8 36.Rd8+ Kxd8 0-1
Round 8, August 23
Terao, Juliana Sayumi – Zhou, Qiyu
C77 Ruy Lopez, Anderssen variation
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.d3 b5 6.Bb3 Be7 7.O-O O-O 8.c3 d6 9.Nbd2 h6 10.Re1 Be6 11.Bc2 Re8 12.Nf1 Bf8 13.Bd2 d5 14.a4 Rb8 15.axb5 axb5 16.exd5 Bxd5 17.Ng3 Qd7 18.h3 Bd6 19.Ne4 Nxe4 20.dxe4 Be6 21.b3 Ra8 22.Qe2 Ne7 23.Be3 Qc6 24.Bd2 b4 25.c4 Qb6 26.Be3 c5 27.Red1 Rxa1 28.Rxa1 Nc6 29.Ne1 Nd4 30.Bxd4 cxd4 31.Nd3 Bd7 32.Qd2 Bc6 33.f3 Ra8 34.Rxa8+ Bxa8 35.Bd1 Qa5 36.Bc2 Bc6 37.Qe1 f6 38.Kf1 g6 39.Qb1 Qa3 1/2-1/2
Results of Round Eight
Cuba-Paraguay 3-3
Italy-Greece 1-5
Brazil-Canada 2.5-3.5
USA-Peru 3-3
Argentina-Poland 2.5-3.5
Comment