WORLDBASE

WORLDBASE Players Zhang, Zheming

Stockfish
GameID: 0
FIDE Country B-Year Gender Standard Rapid Blitz
430757 ENG 2002 M 2056 0 2080
19 games
482578 Osborne, M (2130) Zhang, Zheming (2057) 1-0
1.c4 e6 2.Nc3 f5 3.g3 Nf6 4.Bg2 Bb4 5.Nf3 Bxc3 6.bxc3 d6 7.c5 dxc5 8.Ba3 Nbd7 9.d4 Ne4 10.Qb3 Qf6 11.Rd1 b6 12.Nd2 Bb7 13.Nxe4 Bxe4 14.Bxe4 fxe4 15.dxc5 bxc5 16.O-O Rd8 17.f4 O-O 18.f5 Rfe8 19.Rd2 c4 20.Qxc4 Ne5 21.Rxd8 Qxd8 22.Qb3 Qd2 23.fxe6 h6 24.e7+ Kh7 25.Qb5 Qe3+ 26.Kg2 c5 27.Bc1 Qxc3 28.Qxe8 Qc2 29.Qh5 1-0
1290429 Zhang, Zheming (2071) Zheng, Xiaofeng 1-0
1.e4 c5 2.Nc3 e6 3.f4 d5 4.Bb5+ Bd7 5.Bxd7+ Qxd7 6.d3 d4 7.Nce2 Nc6 8.Nf3 Nge7 9.O-O g6 10.Bd2 Bg7 11.Qe1 O-O 12.Qh4 b5 13.g4 f5 14.gxf5 exf5 15.e5 Nd5 16.Kf2 Qe7 17.Qg3 Ncb4 18.Bxb4 Nxb4 19.Rfc1 Rfd8 20.Ne1 g5 21.Nf3 g4 22.Ne1 Rab8 23.c3 dxc3 24.bxc3 Nd5 25.d4 Rb6 26.Kg1 Rh6 27.Qf2 c4 28.Ng3 Rf8 29.Ng2 Rh3 30.Ne3 Nxe3 31.Qxe3 h5 32.Qe2 h4 33.Nxf5 Rxf5 34.Qxg4 Qd7 35.Rc2 Rd3 36.Re1 Rxc3 37.Rxc3 Qxd4+ 38.Rce3 Rxf4 39.Qe6+ Kh7 40.Kg2 Qd2+ 41.R3e2 Qd3 42.Qh3 Qd5+ 43.Kg1 Qd4+ 44.Kh1 Qd5+ 45.Qg2 Qe6 46.Rg1 Bh6 47.Qb7+ Rf7 48.Qe4+ Rf5 49.Rf2 1-0
2606597 Younger, Mark (1720) Zhang, Zheming (1900) 0-1
1.d4 e6 2.e4 d5 3.Nd2 Nf6 4.e5 Nfd7 5.Bd3 c5 6.c3 Nc6 7.Ngf3 cxd4 8.cxd4 f6 9.exf6 Nxf6 10.O-O Bd6 11.Re1 O-O 12.Nf1 Qc7 13.Bg5 Bd7 14.Rc1 Rae8 15.Bb1 Qb8 16.a3 h6 17.Bh4 e5 18.dxe5 Nxe5 19.Nxe5 Rxe5 20.Rxe5 Bxe5 21.Bxf6 Rxf6 22.Qxd5+ Be6 23.Qd3 Bxb2 24.Re1 Qf4 25.Qe3 Qxe3 26.Rxe3 Bd4 27.Re2 Bf7 28.Rd2 Bb6 29.Ba2 Rxf2 30.Bxf7+ Rxf7+ 0-1
2606578 Zhang, Zheming (1900) Moreby, James (2112) 0-1
1.e4 e6 2.d3 d5 3.Nd2 c5 4.g3 Nc6 5.Bg2 Nf6 6.Ngf3 Be7 7.O-O b5 8.Ne1 O-O 9.f4 Qc7 10.Nef3 a5 11.Qe2 Ba6 12.b3 a4 13.Bb2 d4 14.h3 Rfd8 15.Kh2 Nd7 16.c4 dxc3 17.Bxc3 Nb6 18.Ne1 Qd7 19.Bb2 c4 20.bxc4 a3 21.Bc1 Nd4 22.Qg4 bxc4 23.dxc4 Nxc4 24.Nxc4 Bxc4 25.Rf2 Rac8 26.f5 e5 27.Nf3 Nxf3+ 28.Qxf3 Qd4 29.Rb1 Bc5 30.Bg5 Qxf2 31.Bxd8 Rxd8 32.Qc3 Rd2 33.Rb8+ Bf8 34.Rxf8+ Kxf8 35.Qb4+ Ke8 36.Qb8+ Rd8 37.Qxe5+ Kf8 38.Qa5 Qd4 39.Qxa3+ Kg8 40.Qa5 Qd2 41.Qb6 Bf1 0-1
2606552 Han, Yichen (1998) Zhang, Zheming (1900) 1/2-1/2
1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 Be7 5.e5 Nfd7 6.h4 Nc6 7.Bxe7 Qxe7 8.f4 Nb6 9.Nf3 Bd7 10.a3 a5 11.Bd3 O-O-O 12.Qe2 Kb8 13.O-O-O f6 14.Rhe1 Rdf8 15.Qe3 fxe5 16.fxe5 Be8 17.g4 h6 18.Rf1 Bf7 19.Ne2 Bg8 20.Nf4 Bf7 21.h5 Rc8 22.Qf2 Rhf8 23.Kb1 Be8 24.Qg3 Qd7 25.Bb5 Qe7 26.Nh4 Nc4 27.Bxc4 dxc4 28.Nhg6 Bxg6 29.Nxg6 Rxf1 30.Rxf1 Qg5 31.Qf4 Qd8 32.c3 b5 33.Qf7 Qd5 34.Ka1 b4 35.Qxg7 bxa3 36.bxa3 Nxd4 37.Rb1+ Nb3+ 38.Ka2 Qd2+ 39.Rb2 Qc1 40.Rb1 Qxc3 41.Qd7 Qc2+ 1/2-1/2
2606565 Zhang, Zheming (1900) Dunn, Al (2046) 1/2-1/2
1.e4 c5 2.Nc3 Nc6 3.Bb5 Nd4 4.Bc4 g6 5.Nge2 Bg7 6.Nxd4 cxd4 7.Ne2 e6 8.d3 Ne7 9.Bb3 Nc6 10.O-O O-O 11.f4 d6 12.Qe1 Bd7 13.Qg3 Na5 14.Bd2 Nxb3 15.axb3 Qb6 16.f5 Rac8 17.f6 Bh8 18.Rac1 e5 19.Qg5 Rc6 20.Rf3 Rfc8 21.Rcf1 Rxc2 22.g4 Rxd2 23.Qxd2 Bxg4 24.R3f2 Bxe2 25.Rxe2 Qxb3 26.Ref2 h5 27.Rg2 Kh7 28.Qd1 Qxd1 29.Rxd1 Rc6 30.Rf2 g5 31.Rff1 Kg6 32.Rc1 Bxf6 33.Rxc6 bxc6 34.Ra1 Be7 35.Rxa7 Kf6 36.b4 Ke6 37.Rc7 c5 38.b5 Bd8 39.Rc6 Kd7 40.Kf2 g4 41.Kg2 Bg5 42.Ra6 Kc7 43.Rc6+ Kd7 44.Ra6 1/2-1/2
2611794 Zhang, Zheming (1900) FM Storey, Ch (2262) 0-1
1.e4 c6 2.d4 d5 3.e5 Bf5 4.Nf3 e6 5.Be2 h6 6.O-O g5 7.c3 g4 8.Ne1 h5 9.Nd2 Nd7 10.f3 Bh6 11.fxg4 Be3+ 12.Kh1 hxg4 13.g3 Qg5 14.Ng2 Qh6 15.Nh4 Ne7 16.Bxg4 Bxg4 17.Qxg4 Bxd2 18.Bxd2 Qxd2 19.Qg7 O-O-O 20.Qxf7 Nf5 21.Rxf5 exf5 22.e6 Nb6 23.Qxf5 Rdf8 24.Qg4 Kb8 25.h3 Nc8 26.Rg1 a5 27.Ng2 Qg5 28.Nh4 Qxg4 29.hxg4 Rfg8 30.Kg2 Rxh4 31.gxh4 Rxg4+ 32.Kf2 Rxh4 33.Kf3 Re4 34.Rg6 Ne7 35.Rh6 Kc7 36.Kf2 Kd6 37.Rh8 Rxe6 38.Ra8 b6 39.Rd8+ Kc7 40.Rh8 Nc8 41.Rh7+ Re7 42.Rh5 Nd6 43.Rh3 a4 44.Kf1 b5 45.Rg3 Nc4 46.b3 axb3 47.axb3 Nd2+ 48.Kg2 Nxb3 49.Kf2 Nd2 50.Rh3 Kb6 51.Rd3 Nb1 52.Rh3 Re6 53.Rd3 Ka5 54.Kf3 Ka4 55.Kf4 Kb3 56.Kf5 Rh6 57.Kg5 Rd6 0-1
2606536 Dalton, Joseph (2045) Zhang, Zheming (1900) 1-0
1.d4 e6 2.Nf3 f5 3.d5 Be7 4.dxe6 dxe6 5.Bf4 Qxd1+ 6.Kxd1 Bd6 7.Bxd6 cxd6 8.Nc3 Bd7 9.e4 fxe4 10.Nxe4 Ke7 11.Bd3 Nf6 12.Re1 Nxe4 13.Bxe4 Bc6 14.Kd2 Nd7 15.Bxc6 bxc6 16.Nd4 Ne5 17.b4 Rhf8 18.Re2 Kd7 19.a4 a6 20.Rae1 Rab8 21.c3 Rf6 22.f3 Re8 23.Nb3 Rb8 24.Rxe5 dxe5 25.Nc5+ Ke7 26.Nxa6 Rd8+ 27.Kc2 Rd5 28.Nc5 Rf8 29.Nd3 Ra8 30.Nxe5 Rxa4 31.Nxc6+ Kd6 32.Kb3 Ra8 33.Nd4 Re8 34.Ra1 Ke5 35.Ra6 Rd6 36.f4+ Kd5 37.c4+ Kxd4 38.Rxd6+ Ke4 39.g3 g5 40.fxg5 e5 41.Kc3 Ke3 42.c5 e4 43.c6 Kf2 44.c7 Rc8 45.Rf6+ Ke2 46.Rf7 e3 47.Kc2 Ke1 48.b5 e2 49.b6 Ra8 50.b7 Ra2+ 51.Kc1 Ra1+ 52.Kb2 Kd2 53.Rd7+ Ke3 54.Re7+ Kd3 55.Rxe2 1-0
2611744 Zhang, Zheming (1900) WFM Kanakova, Natalie (2245) 1/2-1/2
1.e4 c5 2.Nc3 Nc6 3.Bb5 Nd4 4.Bc4 e6 5.Nge2 Ne7 6.Nxd4 cxd4 7.Ne2 Nc6 8.O-O Bc5 9.d3 O-O 10.a3 a6 11.f4 f5 12.Kh1 Kh8 13.b4 Ba7 14.Qe1 b5 15.Bb3 Bb7 16.Bb2 Rc8 17.Ng3 Ne7 18.Qf2 fxe4 19.dxe4 e5 20.Qd2 exf4 21.Rxf4 Rxf4 22.Qxf4 Bb8 23.Qg4 Nc6 24.Rf1 Ne5 25.Qf5 Nc6 26.Ne2 Be5 27.Qh5 Bf6 28.Nf4 Ne5 29.Bxd4 Qe8 30.Qh3 Bxe4 31.c3 Nc4 32.Bxf6 gxf6 33.Qh4 Qe5 34.Re1 Rg8 35.Bxc4 1/2-1/2
2611765 FM Abdulla, Murad (2260) Zhang, Zheming (1900) 1-0
1.e4 e6 2.d3 d5 3.Qe2 Nf6 4.Nf3 b6 5.e5 Nfd7 6.g3 c5 7.Bg2 Nc6 8.O-O Qc7 9.Re1 Bb7 10.c3 Be7 11.Bf4 b5 12.Nbd2 Qb6 13.b3 h6 14.h4 a5 15.c4 bxc4 16.bxc4 d4 17.Rab1 Qc7 18.h5 O-O 19.Ne4 Rfb8 20.Nd6 Bxd6 1-0
2611721 Tavoularis, N (2168) Zhang, Zheming (1900) 0-1
1.e4 e6 2.b3 d5 3.Bb2 Nf6 4.e5 Nfd7 5.Qg4 c5 6.f4 Nc6 7.Nf3 Qc7 8.Na3 a6 9.c4 d4 10.Nc2 b6 11.Bd3 Bb7 12.O-O-O g6 13.Ng5 Be7 14.h4 h5 15.Nxe6 Qc8 16.Qg3 fxe6 17.Qxg6+ Kd8 18.Qxe6 Nf8 19.Qf7 Qe6 20.Qf5 Kc7 21.Rde1 Re8 22.Re2 Bd8 23.b4 Qxf5 24.Bxf5 Ne6 25.bxc5 bxc5 26.g3 Rhg8 27.Rh3 Bc8 28.Rf2 Ref8 29.Bxe6 Bxe6 30.Rh1 Rxg3 31.Ne1 Bxc4 32.a3 Nxe5 33.f5 Nd3+ 34.Nxd3 Bxd3 35.a4 Rxf5 36.Rxf5 Bxf5 37.Kd1 Kd6 38.Rf1 Bd3 39.Rh1 Rf3 0-1
2924388 Zhang, Zheming (1792) Gazis, G (1797) 1/2-1/2
1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 g6 5.Nc3 Bg7 6.Be3 Nf6 7.Bb5 O-O 8.O-O a6 9.Nxc6 bxc6 10.Bc4 Nxe4 11.Nxe4 d5 12.Bd3 dxe4 13.Bxe4 Rb8 14.Rb1 Qa5 15.b4 Qxa2 16.Bxc6 Bf5 17.Bd5 Qxc2 18.Qxc2 Bxc2 19.Rbc1 Bd3 20.Rfd1 Bb5 21.Bc6 Bxc6 22.Rxc6 Rxb4 23.Rxa6 Rfb8 24.g3 Rb1 25.Rxb1 Rxb1+ 26.Kg2 h5 27.Bg5 Rb7 28.h4 Bd4 29.Ra8+ Kg7 30.Rd8 Bc5 31.Rc8 Ba7 32.Rc2 Bd4 33.Rd2 e5 34.Bd8 Rb2 35.Rxb2 Bxb2 36.Kf3 f5 37.Bg5 Kf7 38.Ke2 Ke6 39.Bd2 Kd5 40.Kf3 Bd4 41.Bg5 Kc4 42.Ke2 Kc3 43.Bd2+ Kc2 44.Bg5 Bb2 45.Bf6 Bd4 46.Bg5 e4 47.Bh6 Bb2 48.Bg5 Bc1 49.Bf6 Bd2 50.Be7 Bh6 51.Bf6 Kb3 52.Be5 Kc4 53.Bd6 g5 54.hxg5 Bxg5 55.f3 Kd5 56.Bc7 Bf6 57.fxe4+ Kxe4 58.Kf2 Be5 59.Bd8 Bd4+ 60.Kg2 Be5 61.Be7 Ke3 62.Bg5+ Ke2 63.Be7 Bxg3 64.Kxg3 1/2-1/2
2924367 Zhang, Zheming (1792) Addison, B (2180) 1/2-1/2
1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.c3 Nf6 5.d3 O-O 6.Bb3 d5 7.Nbd2 Be6 8.Bc2 a5 9.O-O Re8 10.Qe2 h6 11.Rd1 a4 12.h3 d4 13.Nf1 b5 14.Bd2 a3 15.b3 dxc3 16.Bxc3 Nd4 17.Bxd4 Bxd4 18.Nxd4 Qxd4 19.Qe3 c5 20.Rac1 Rac8 21.Bb1 Red8 22.Ng3 Nd7 23.Ne2 Qd6 24.Nc3 Qb6 25.Rd2 Nb8 26.Ne2 Na6 27.f4 f6 28.fxe5 fxe5 29.Ng3 Qd6 30.Rf2 Qd4 31.Qxd4 cxd4 32.Rfc2 Rxc2 33.Rxc2 Rc8 34.Rxc8+ Bxc8 35.Kf2 Kf7 36.Ne2 Be6 37.Ng1 Ke7 38.Nf3 Kd6 39.Ke2 Nc5 40.Nd2 Na6 41.Nf3 g5 42.Ne1 Nb4 43.Nc2 Nxc2 44.Bxc2 Kc5 45.Kd2 h5 46.Bd1 g4 47.hxg4 hxg4 48.g3 Kb4 49.Bc2 1/2-1/2
2924378 Armbruster, David (2091) Zhang, Zheming (1792) 1-0
1.e4 e6 2.d4 d5 3.exd5 exd5 4.Bd3 Bd6 5.Nc3 c6 6.Nge2 Qc7 7.Bg5 f6 8.Bh4 Ne7 9.Bg3 Bf5 10.O-O O-O 11.b4 Bxd3 12.Qxd3 f5 13.Bxd6 Qxd6 14.f4 Nd7 15.b5 Nf6 16.bxc6 bxc6 17.Rab1 Rab8 18.Qa6 Qc7 19.Rb3 Rxb3 20.axb3 Ne4 21.g3 Nc8 22.Na4 Ncd6 23.Nc5 Nxc5 24.dxc5 Ne4 25.Nd4 Rf6 26.b4 Qb8 27.Qa5 h6 28.Qa4 Nc3 29.Qb3 Nb5 30.Nxc6 Qb7 31.Na5 Qf7 32.Rd1 Nc7 33.Qd3 Qe7 34.c4 dxc4 35.Nxc4 Kh7 36.Ne5 a5 37.Nd7 Rf7 38.bxa5 Qe6 39.Ne5 Rf6 40.c6 Qa2 41.g4 Qxa5 42.g5 Qc5+ 43.Kf1 hxg5 44.fxg5 Qxe5 45.gxf6 Qxf6 46.Qh3+ Kg6 47.Qg3+ Kh7 48.Qxc7 Qc3 49.Qg3 Qxc6 50.Qh3+ Kg8 51.Rd8+ Kf7 52.Qxf5+ Ke7 53.Qf8+ Ke6 54.Re8+ Kd5 55.Qf3+ 1-0
2924354 FM Walker, Da (2299) Zhang, Zheming (1792) 1-0
1.c4 e6 2.g3 f5 3.Bg2 Nf6 4.d3 Be7 5.Nf3 O-O 6.O-O d6 7.Nc3 e5 8.b4 Qe8 9.e3 Nc6 10.b5 Nd8 11.a4 Ne6 12.Nd5 Bd8 13.Ba3 Nxd5 14.cxd5 Ng5 15.Nxg5 Bxg5 16.Re1 b6 17.Qc2 Bd8 18.f4 Bb7 19.fxe5 Qxe5 20.Bb2 Qe8 21.e4 fxe4 22.dxe4 Qd7 23.e5 dxe5 24.Qc4 Kh8 25.Bxe5 Bf6 26.Rac1 Bxe5 27.Rxe5 Rf7 28.Rce1 Raf8 29.Qb4 Qd8 30.a5 Bc8 31.Re7 bxa5 32.Qc5 Rxe7 33.Qxe7 Qxe7 34.Rxe7 a6 35.bxa6 Bxa6 36.Rxc7 Bb5 37.d6 Rd8 38.Rc5 Be8 39.Rxa5 Kg8 40.Ra6 Kf8 41.Kf2 Bb5 42.Rb6 Bc4 43.Ke3 Kf7 44.Kd4 Ba2 45.Bd5+ Bxd5 46.Kxd5 Rd7 47.Rc6 h5 48.Rc7 Ke8 49.Ke6 1-0
3216739 Zhang, Zheming (1803) Brotherton, Trevor 1-0
1.e4 b6 2.d4 Bb7 3.Bd3 e6 4.Nf3 d6 5.O-O g6 6.Nbd2 Bg7 7.c3 Nd7 8.Bc2 Ne7 9.Re1 h6 10.Nc4 a6 11.Qe2 e5 12.dxe5 dxe5 13.Rd1 Nc6 14.Be3 Qe7 15.Ncd2 O-O 16.Nb3 Nf6 17.Ne1 Rad8 18.f3 Nh5 19.Nd3 f5 20.Nf2 f4 21.Bd2 Nf6 22.Be1 Kh7 23.Rxd8 Nxd8 24.Rd1 Nf7 25.Bd3 Ra8 26.Bc4 Nd6 27.Bd3 Bc8 28.Nd2 g5 29.Nc4 Nf7 30.Nd2 h5 31.Bc4 Nh6 32.Bd5 Rb8 33.Bb3 g4 34.Nd3 Ne8 35.Nb4 Bf8 36.Kh1 Qg5 37.Nc6 Ra8 38.Bd5 g3 39.Nf1 Ng4 40.fxg4 Bxg4 41.Qd2 Nf6 42.Nxe5 Qxe5 43.Bxa8 Bxd1 44.Qxd1 Bc5 45.Nd2 Ng4 46.Nf3 Qe7 47.e5 Bf2 48.Be4+ Kh8 49.h3 Bxe1 50.hxg4 hxg4 51.Nxe1 f3 52.Nxf3 gxf3 53.Bxf3 Qh4+ 54.Kg1 1-0
3216758 Tozer, Philip A A (2140) Zhang, Zheming (1803) 1-0
1.c4 e5 2.g3 f5 3.d4 e4 4.Nc3 Nf6 5.Bg5 Be7 6.Bg2 O-O 7.f3 exf3 8.Nxf3 d6 9.O-O Nc6 10.Qd3 h6 11.Bd2 Nb4 12.Qb1 d5 13.a3 Nc6 14.cxd5 Nxd5 15.Nxd5 Qxd5 16.Bc3 Qf7 17.e4 fxe4 18.Ne5 Qh5 19.Qa2+ Kh8 20.Nf7+ Rxf7 21.Qxf7 Qxf7 22.Rxf7 Be6 23.Rf4 Bd5 24.Re1 Bg5 25.Rg4 Rf8 26.Bxe4 Bg8 27.Bg2 Nd8 28.h4 Bf6 29.d5 b6 30.Bxf6 gxf6 31.Re7 Nf7 32.Rxc7 Ne5 33.Rd4 Rd8 34.Rxa7 1-0
3216718 Stepanyan, Henrik (2033) Zhang, Zheming (1803) 1/2-1/2
1.c4 e5 2.Nc3 f5 3.Nf3 Nc6 4.d4 e4 5.d5 exf3 6.dxc6 fxg2 7.cxd7+ Qxd7 8.Bxg2 Qxd1+ 9.Kxd1 c6 10.Kc2 Be6 11.b3 Bc5 12.Bb2 Nf6 13.f3 O-O 14.Rad1 Rad8 15.e4 fxe4 16.Rxd8 Rxd8 17.Nxe4 Bf5 18.Bxf6 gxf6 19.Rd1 Bxe4+ 20.fxe4 Bd4 21.Bh3 c5 22.Be6+ Kf8 23.Rd3 Rd6 24.Bf5 Rc6 25.Bxh7 Rc7 26.Bf5 Rg7 27.Rg3 Rxg3 28.hxg3 Ke7 29.Kd3 Kd6 30.a4 b6 31.Bg6 Ke5 32.Bh5 Bf2 33.Bg4 Bxg3 34.Bh5 Kf4 35.Bd1 Bf2 36.Bh5 Bd4 37.Bd1 1/2-1/2
3216684 Zhang, Zheming (1803) Hunt, M (2073) 1/2-1/2
1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.d3 Bc5 5.c3 Qe7 6.Nbd2 d6 7.Bb3 a6 8.Nf1 h6 9.Ng3 Be6 10.Bc2 d5 11.O-O dxe4 12.Nxe4 Nxe4 13.dxe4 Rd8 14.Qe2 Bg4 15.Be3 O-O 16.Bxc5 Qxc5 17.h3 Be6 18.Bb3 Bxb3 19.axb3 Rd7 20.b4 Qb5 21.Qxb5 axb5 22.Rfd1 Rfd8 23.Rxd7 Rxd7 24.Ra8+ Kh7 25.Ra1 f6 26.Kf1 Nd8 27.Ke1 Ne6 28.Rd1 Rxd1+ 29.Kxd1 Kg6 30.Ne1 Nf4 31.Kd2 Kf7 32.Ke3 h5 33.h4 g5 34.g3 Ng6 35.Nf3 gxh4 36.Nxh4 Nxh4 1/2-1/2
version fa9c69a7dde0