Collado Villalba op 24th
Collado Villalba 2007
- Date
- Aug 23, 2007
- Players
- 116
- Type
- Swiss
- Elo Average
- 1930
- Games
- 277
- Rounds
- 9
Collado Villalba op 24th Games
| White | Black | Result | Round | Date | Opening |
|---|---|---|---|---|---|
| Alvarez Abejon, A | Bravo de los Santos, F | 0-1 | 1 | Aug 23, 2007 | C89 Ruy Lopez, Marshall counter-attack |
| Round 1Aug 23, 2007C89 Ruy Lopez, Marshall counter-attack | |||||
| Arauz Alonso, F | Solaesa Navalpotro, L | 0-1 | 1 | Aug 23, 2007 | A48 King's Indian, East Indian defence |
| Round 1Aug 23, 2007A48 King's Indian, East Indian defence | |||||
| Baeza Escudero, J | Cao Armillas, J | 0-1 | 1 | Aug 23, 2007 | C18 French, Winawer, advance variation |
| Round 1Aug 23, 2007C18 French, Winawer, advance variation | |||||
| Baldwin del Castillo, R | Garcia Galeote, L | 0-1 | 1 | Aug 23, 2007 | D63 Queen's Gambit Declined, Orthodox defence, 7.Rc1 |
| Round 1Aug 23, 2007D63 Queen's Gambit Declined, Orthodox defence, 7.Rc1 | |||||
| Barria Zuniga, D | Avendano Mateos, I | 1-0 | 1 | Aug 23, 2007 | D30 Queen's gambit declined |
| Round 1Aug 23, 2007D30 Queen's gambit declined | |||||
| Benito Alba, E | Erice Alonso, S | 0-1 | 1 | Aug 23, 2007 | D18 Queen's Gambit Declined Slav, Dutch variation |
| Round 1Aug 23, 2007D18 Queen's Gambit Declined Slav, Dutch variation | |||||
| Bolea Olivan, J | Tejedo Meneses, A | 0-1 | 1 | Aug 23, 2007 | D88 Gruenfeld, Spassky variation, main line, 10...cd, 11.cd |
| Round 1Aug 23, 2007D88 Gruenfeld, Spassky variation, main line, 10...cd, 11.cd | |||||
| Clopes Llahi, J | Lazarev, V | 0-1 | 1 | Aug 23, 2007 | B31 Sicilian, Nyezhmetdinov-Rossolimo attack (with ...g6, without ...d6) |
| Round 1Aug 23, 2007B31 Sicilian, Nyezhmetdinov-Rossolimo attack (with ...g6, without ...d6) | |||||
| Cobelas Rodriguez, P | Labarta Gonzalez, I | 0-1 | 1 | Aug 23, 2007 | B34 Sicilian, accelerated fianchetto, exchange variation |
| Round 1Aug 23, 2007B34 Sicilian, accelerated fianchetto, exchange variation | |||||
| Colet Fernandez, J | Martinez Sanz, M | 1-0 | 1 | Aug 23, 2007 | B22 Sicilian, Alapin's variation (2.c3) |
| Round 1Aug 23, 2007B22 Sicilian, Alapin's variation (2.c3) | |||||
| Collado Barbas, L | Cruz Condori, A | 0-1 | 1 | Aug 23, 2007 | E32 Nimzo-Indian, classical variation |
| Round 1Aug 23, 2007E32 Nimzo-Indian, classical variation | |||||
| De Nacimiento Montano, A | Roa Alonso, S | 0-1 | 1 | Aug 23, 2007 | C90 Ruy Lopez, closed (with ...d6) |
| Round 1Aug 23, 2007C90 Ruy Lopez, closed (with ...d6) | |||||
| De la Fuente Gonzalez, F | Sanchez Alarcos Galian, V | 1-0 | 1 | Aug 23, 2007 | A29 English, four knights, kingside fianchetto |
| Round 1Aug 23, 2007A29 English, four knights, kingside fianchetto | |||||
| Duque Suarez, L | San Juan Rodriguez, M | 0-1 | 1 | Aug 23, 2007 | C43 Petrov, modern (Steinitz) attack |
| Round 1Aug 23, 2007C43 Petrov, modern (Steinitz) attack | |||||
| Elissalt Cardenas, H | Camarero Izquierdo, J | 1-0 | 1 | Aug 23, 2007 | D04 Queen's pawn game |
| Round 1Aug 23, 2007D04 Queen's pawn game | |||||
| Esquivias Gomez, F | Alvarez Gonzalez, E | 1-0 | 1 | Aug 23, 2007 | B13 Caro-Kann, exchange variation |
| Round 1Aug 23, 2007B13 Caro-Kann, exchange variation | |||||
| Fernandez Fernandez, J | Sanchez Delgado, L | 0-1 | 1 | Aug 23, 2007 | B35 Sicilian, accelerated fianchetto, modern variation with Bc4 |
| Round 1Aug 23, 2007B35 Sicilian, accelerated fianchetto, modern variation with Bc4 | |||||
| Fernandez Rilo, J | Castejon Caballero, A | 0-1 | 1 | Aug 23, 2007 | B21 Sicilian, Grand Prix attack |
| Round 1Aug 23, 2007B21 Sicilian, Grand Prix attack | |||||
| Gago Padreny, I | Tuimil Martinez, R | 1-0 | 1 | Aug 23, 2007 | A84 Dutch defence |
| Round 1Aug 23, 2007A84 Dutch defence | |||||
| Garcia Sanchez Navarro, M | Martinez Ramon, S | 0-1 | 1 | Aug 23, 2007 | A03 Bird's opening |
| Round 1Aug 23, 2007A03 Bird's opening | |||||
| Gonzalo Gonzalez, F | Huguet Mainar, S | 0-1 | 1 | Aug 23, 2007 | C42 Petrov's defence |
| Round 1Aug 23, 2007C42 Petrov's defence | |||||
| Gordillo Lopez, M | Gallardo Garcia, A | 0-1 | 1 | Aug 23, 2007 | D00 Queen's pawn game |
| Round 1Aug 23, 2007D00 Queen's pawn game | |||||
| Granero Roca, A | Rodrigo Yanguas, M | 1-0 | 1 | Aug 23, 2007 | A84 Dutch defence |
| Round 1Aug 23, 2007A84 Dutch defence | |||||
| Heras Cuencas, M | Babaev, R | 0-1 | 1 | Aug 23, 2007 | A68 Benoni, four pawns attack |
| Round 1Aug 23, 2007A68 Benoni, four pawns attack | |||||
| Hernandez Yanez, J | Rodriguez Gonzalez, J | 0-1 | 1 | Aug 23, 2007 | D40 Queen's Gambit Declined, Semi-Tarrasch defence |
| Round 1Aug 23, 2007D40 Queen's Gambit Declined, Semi-Tarrasch defence | |||||
| Ivanovich Balsinde, N | Garcia Reino, E | 0-1 | 1 | Aug 23, 2007 | C43 Petrov, modern (Steinitz) attack |
| Round 1Aug 23, 2007C43 Petrov, modern (Steinitz) attack | |||||
| Lobato Lavin, A | Segui Pantoja, J | 1-0 | 1 | Aug 23, 2007 | B89 Sicilian, Sozin, 7.Be3 |
| Round 1Aug 23, 2007B89 Sicilian, Sozin, 7.Be3 | |||||
| Lopez de Turiso, J | Tevar Sanz, G | 1-0 | 1 | Aug 23, 2007 | A40 Queen's pawn |
| Round 1Aug 23, 2007A40 Queen's pawn | |||||
| Lorite Cruz, F | Alcoz Coll, G | ½-½ | 1 | Aug 23, 2007 | C42 Petrov's defence |
| Round 1Aug 23, 2007C42 Petrov's defence | |||||
| Marcos Herrero, F | Prada Lopez, M | 0-1 | 1 | Aug 23, 2007 | B25 Sicilian, closed |
| Round 1Aug 23, 2007B25 Sicilian, closed | |||||
| Martin Mesa, J | Sanchez Rodenas, J | ½-½ | 1 | Aug 23, 2007 | B14 Caro-Kann, Panov-Botvinnik attack, 5...e6 |
| Round 1Aug 23, 2007B14 Caro-Kann, Panov-Botvinnik attack, 5...e6 | |||||
| Martinez Alvira, S | Penalosa Pinilla, J | ½-½ | 1 | Aug 23, 2007 | B87 Sicilian, Sozin with ...a6 and ...b5 |
| Round 1Aug 23, 2007B87 Sicilian, Sozin with ...a6 and ...b5 | |||||
| Mena Corrochano, A | Sarabia Utrilla, J | 1-0 | 1 | Aug 23, 2007 | D61 Queen's Gambit Declined, Orthodox defence, Rubinstein variation |
| Round 1Aug 23, 2007D61 Queen's Gambit Declined, Orthodox defence, Rubinstein variation | |||||
| Menor Villamor, J | Teske, H | 0-1 | 1 | Aug 23, 2007 | B21 Sicilian, Grand Prix attack |
| Round 1Aug 23, 2007B21 Sicilian, Grand Prix attack | |||||
| Minguez Greciano, I | Ramos Aldoradin, J | ½-½ | 1 | Aug 23, 2007 | A26 English, closed system |
| Round 1Aug 23, 2007A26 English, closed system | |||||
| Monmeneu Chulia, V | Perez Ortego, A | 1-0 | 1 | Aug 23, 2007 | D20 Queen's gambit accepted |
| Round 1Aug 23, 2007D20 Queen's gambit accepted | |||||
| Moreno Ruiz, J | Barahona Torrijos, A | 1-0 | 1 | Aug 23, 2007 | E11 Bogo-Indian defence |
| Round 1Aug 23, 2007E11 Bogo-Indian defence | |||||
| Nieto de la Cruz, J | Quintero Torres, P | 0-1 | 1 | Aug 23, 2007 | D91 Gruenfeld, 5.Bg5 |
| Round 1Aug 23, 2007D91 Gruenfeld, 5.Bg5 | |||||
| Ortiz Suarez, I | De Nacimiento Montano, A | 1-0 | 1 | Aug 23, 2007 | B76 Sicilian, dragon, Yugoslav attack, 7...O-O |
| Round 1Aug 23, 2007B76 Sicilian, dragon, Yugoslav attack, 7...O-O | |||||
| Pastor Alonso de Prado, A | Herrero Corada, J | 1-0 | 1 | Aug 23, 2007 | B12 Caro-Kann defence |
| Round 1Aug 23, 2007B12 Caro-Kann defence | |||||
| Peral Aparicio, J | Sanchez Gonzalez, S | 0-1 | 1 | Aug 23, 2007 | E47 Nimzo-Indian, 4.e3 O-O, 5.Bd3 |
| Round 1Aug 23, 2007E47 Nimzo-Indian, 4.e3 O-O, 5.Bd3 | |||||
| Perez Cameselle, F | Minzer, C | 0-1 | 1 | Aug 23, 2007 | A49 King's Indian, fianchetto without c4 |
| Round 1Aug 23, 2007A49 King's Indian, fianchetto without c4 | |||||
| Picon Rodriguez, J | Sesma Merino, D | 1-0 | 1 | Aug 23, 2007 | B01 Scandinavian (centre counter) defence |
| Round 1Aug 23, 2007B01 Scandinavian (centre counter) defence | |||||
| Rodriguez Gomez, V | Collado Barbas, A | ½-½ | 1 | Aug 23, 2007 | C01 French, exchange variation |
| Round 1Aug 23, 2007C01 French, exchange variation | |||||
| Rodriguez Robles, I | Madina Yadarola, M | 0-1 | 1 | Aug 23, 2007 | B46 Sicilian, Taimanov variation |
| Round 1Aug 23, 2007B46 Sicilian, Taimanov variation | |||||
| Rubio Mejia, L | Greciano Reiskila, M | 1-0 | 1 | Aug 23, 2007 | D46 Queen's Gambit Declined semi-Slav, 6.Bd3 |
| Round 1Aug 23, 2007D46 Queen's Gambit Declined semi-Slav, 6.Bd3 | |||||
| Safranska, A | Ortega Morales, P | ½-½ | 1 | Aug 23, 2007 | C00 French defence |
| Round 1Aug 23, 2007C00 French defence | |||||
| Saldano Dayer, H | Pardo Robles, J | 1-0 | 1 | Aug 23, 2007 | B78 Sicilian, dragon, Yugoslav attack, 10.O-O-O |
| Round 1Aug 23, 2007B78 Sicilian, dragon, Yugoslav attack, 10.O-O-O | |||||
| Semprun Martinez, F | Cano Mercado, F | 0-1 | 1 | Aug 23, 2007 | B12 Caro-Kann defence |
| Round 1Aug 23, 2007B12 Caro-Kann defence | |||||
| Sierra Bermejo, G | Martin Martin, L | ½-½ | 1 | Aug 23, 2007 | A28 English, four knights system |
| Round 1Aug 23, 2007A28 English, four knights system | |||||
| Suba, M | Serrano Nunez, D | 1-0 | 1 | Aug 23, 2007 | B38 Sicilian, accelerated fianchetto, Maroczy bind, 6.Be3 |
| Round 1Aug 23, 2007B38 Sicilian, accelerated fianchetto, Maroczy bind, 6.Be3 | |||||
| Tarin Casado, F | Coleto Calderon, J | 0-1 | 1 | Aug 23, 2007 | B26 Sicilian, closed, 6.Be3 |
| Round 1Aug 23, 2007B26 Sicilian, closed, 6.Be3 | |||||
| Torres Samper, R | Medrano del Val, J | 1-0 | 1 | Aug 23, 2007 | B80 Sicilian, Scheveningen variation |
| Round 1Aug 23, 2007B80 Sicilian, Scheveningen variation | |||||
| Zanoletty Garcia, D | Guliev, L | 0-1 | 1 | Aug 23, 2007 | E11 Bogo-Indian defence |
| Round 1Aug 23, 2007E11 Bogo-Indian defence | |||||
| Alcoz Coll, G | Safranska, A | 0-1 | 2 | Aug 24, 2007 | B06 Robatsch (modern) defence |
| Round 2Aug 24, 2007B06 Robatsch (modern) defence | |||||
| Alvarez Gonzalez, E | Rodriguez Robles, I | 0-1 | 2 | Aug 24, 2007 | E99 King's Indian, orthodox, Aronin-Taimanov, main line |
| Round 2Aug 24, 2007E99 King's Indian, orthodox, Aronin-Taimanov, main line | |||||
| Avendano Mateos, I | Duque Suarez, L | 1-0 | 2 | Aug 24, 2007 | D04 Queen's pawn game |
| Round 2Aug 24, 2007D04 Queen's pawn game | |||||
| Babaev, R | Erice Alonso, S | 1-0 | 2 | Aug 24, 2007 | B56 Sicilian |
| Round 2Aug 24, 2007B56 Sicilian | |||||
| Baeza Escudero, J | Clopes Llahi, J | ½-½ | 2 | Aug 24, 2007 | B17 Caro-Kann, Steinitz variation |
| Round 2Aug 24, 2007B17 Caro-Kann, Steinitz variation | |||||
| Barahona Torrijos, A | Gonzalo Gonzalez, F | 1-0 | 2 | Aug 24, 2007 | B20 Sicilian defence |
| Round 2Aug 24, 2007B20 Sicilian defence | |||||
| Bravo de los Santos, F | Mena Corrochano, A | 0-1 | 2 | Aug 24, 2007 | B22 Sicilian, Alapin's variation (2.c3) |
| Round 2Aug 24, 2007B22 Sicilian, Alapin's variation (2.c3) | |||||
| Camarero Izquierdo, J | Garcia Sanchez Navarro, M | 1-0 | 2 | Aug 24, 2007 | C63 Ruy Lopez, Schliemann defence |
| Round 2Aug 24, 2007C63 Ruy Lopez, Schliemann defence | |||||
| Cano Mercado, F | De la Fuente Gonzalez, F | 0-1 | 2 | Aug 24, 2007 | D18 Queen's Gambit Declined Slav, Dutch variation |
| Round 2Aug 24, 2007D18 Queen's Gambit Declined Slav, Dutch variation | |||||
| Castejon Caballero, A | Rubio Mejia, L | 0-1 | 2 | Aug 24, 2007 | B52 Sicilian, Canal-Sokolsky attack, 3...Bd7 |
| Round 2Aug 24, 2007B52 Sicilian, Canal-Sokolsky attack, 3...Bd7 | |||||
| Cobelas Rodriguez, P | Menor Villamor, J | 1-0 | 2 | Aug 24, 2007 | B01 Scandinavian (centre counter) defence |
| Round 2Aug 24, 2007B01 Scandinavian (centre counter) defence | |||||
| Coleto Calderon, J | Tipter, N | 1-0 | 2 | Aug 24, 2007 | D36 Queen's Gambit Declined, exchange, positional line, 6.Qc2 |
| Round 2Aug 24, 2007D36 Queen's Gambit Declined, exchange, positional line, 6.Qc2 | |||||
| Collado Barbas, A | Lorite Cruz, F | 0-1 | 2 | Aug 24, 2007 | A56 Benoni defence |
| Round 2Aug 24, 2007A56 Benoni defence | |||||
| Collado Barbas, L | Heras Cuencas, M | 1-0 | 2 | Aug 24, 2007 | A59 Benko gambit, 7.e4 |
| Round 2Aug 24, 2007A59 Benko gambit, 7.e4 | |||||
| Cruz Condori, A | Suba, M | ½-½ | 2 | Aug 24, 2007 | A15 English, 1...Nf6 (Anglo-Indian defense) |
| Round 2Aug 24, 2007A15 English, 1...Nf6 (Anglo-Indian defense) | |||||
| De Nacimiento Montano, A | Peral Aparicio, J | 1-0 | 2 | Aug 24, 2007 | B84 Sicilian, Scheveningen (Paulsen), classical variation |
| Round 2Aug 24, 2007B84 Sicilian, Scheveningen (Paulsen), classical variation | |||||
| Gallardo Garcia, A | Monmeneu Chulia, V | 1-0 | 2 | Aug 24, 2007 | C02 French, advance variation |
| Round 2Aug 24, 2007C02 French, advance variation | |||||
| Garcia Galeote, L | Granero Roca, A | 0-1 | 2 | Aug 24, 2007 | E70 King's Indian, 4.e4 |
| Round 2Aug 24, 2007E70 King's Indian, 4.e4 | |||||
| Garcia Reino, E | Pastor Alonso de Prado, A | 0-1 | 2 | Aug 24, 2007 | C64 Ruy Lopez, classical (Cordel) defence |
| Round 2Aug 24, 2007C64 Ruy Lopez, classical (Cordel) defence | |||||
| Greciano Reiskila, M | Baldwin del Castillo, R | 0-1 | 2 | Aug 24, 2007 | B38 Sicilian, accelerated fianchetto, Maroczy bind, 6.Be3 |
| Round 2Aug 24, 2007B38 Sicilian, accelerated fianchetto, Maroczy bind, 6.Be3 | |||||
| Guliev, L | Gago Padreny, I | 1-0 | 2 | Aug 24, 2007 | B93 Sicilian, Najdorf, 6.f4 |
| Round 2Aug 24, 2007B93 Sicilian, Najdorf, 6.f4 | |||||
| Herrero Corada, J | Fernandez Fernandez, J | 0-1 | 2 | Aug 24, 2007 | B21 Sicilian, Grand Prix attack |
| Round 2Aug 24, 2007B21 Sicilian, Grand Prix attack | |||||
| Labarta Gonzalez, I | Aguado Rodriguez, G | 1-0 | 2 | Aug 24, 2007 | B07 Pirc defence |
| Round 2Aug 24, 2007B07 Pirc defence | |||||
| Lazarev, V | Huguet Mainar, S | 1-0 | 2 | Aug 24, 2007 | A31 English, symmetrical, Benoni formation |
| Round 2Aug 24, 2007A31 English, symmetrical, Benoni formation | |||||
| Madina Yadarola, M | Esquivias Gomez, F | 1-0 | 2 | Aug 24, 2007 | B01 Scandinavian (centre counter) defence |
| Round 2Aug 24, 2007B01 Scandinavian (centre counter) defence | |||||
| Marcos Herrero, F | Ivanovich Balsinde, N | 0-1 | 2 | Aug 24, 2007 | C78 Ruy Lopez, 5.O-O |
| Round 2Aug 24, 2007C78 Ruy Lopez, 5.O-O | |||||
| Martin Martin, L | Callejo Hernanz, J | 1-0 | 2 | Aug 24, 2007 | B53 Sicilian, Chekhover variation |
| Round 2Aug 24, 2007B53 Sicilian, Chekhover variation | |||||
| Martinez Ramon, S | Ortiz Suarez, I | 0-1 | 2 | Aug 24, 2007 | A36 English, symmetrical variation |
| Round 2Aug 24, 2007A36 English, symmetrical variation | |||||
| Martinez Sanz, M | Gordillo Lopez, M | 0-1 | 2 | Aug 24, 2007 | C01 French, exchange variation |
| Round 2Aug 24, 2007C01 French, exchange variation | |||||
| Medrano del Val, J | Perez Cameselle, F | 0-1 | 2 | Aug 24, 2007 | B21 Sicilian, Grand Prix attack |
| Round 2Aug 24, 2007B21 Sicilian, Grand Prix attack | |||||
| Minzer, C | Colet Fernandez, J | 1-0 | 2 | Aug 24, 2007 | D30 Queen's gambit declined |
| Round 2Aug 24, 2007D30 Queen's gambit declined | |||||
| Ortega Morales, P | Vazquez Igarza, R | 0-1 | 2 | Aug 24, 2007 | A47 Queen's Indian defence |
| Round 2Aug 24, 2007A47 Queen's Indian defence | |||||
| Pardo Robles, J | Benito Alba, E | 1-0 | 2 | Aug 24, 2007 | A23 English, Bremen system, Keres variation |
| Round 2Aug 24, 2007A23 English, Bremen system, Keres variation | |||||
| Penalosa Pinilla, J | Martin Mesa, J | 0-1 | 2 | Aug 24, 2007 | C89 Ruy Lopez, Marshall counter-attack |
| Round 2Aug 24, 2007C89 Ruy Lopez, Marshall counter-attack | |||||
| Prada Lopez, M | Lopez Ayala, P | 1-0 | 2 | Aug 24, 2007 | A04 Reti opening |
| Round 2Aug 24, 2007A04 Reti opening | |||||
| Quintero Torres, P | Barria Zuniga, D | 0-1 | 2 | Aug 24, 2007 | A46 Queen's pawn game |
| Round 2Aug 24, 2007A46 Queen's pawn game | |||||
| Ramos Aldoradin, J | Martinez Alvira, S | ½-½ | 2 | Aug 24, 2007 | A38 English, symmetrical variation |
| Round 2Aug 24, 2007A38 English, symmetrical variation | |||||
| Roa Alonso, S | Torres Samper, R | 1-0 | 2 | Aug 24, 2007 | B50 Sicilian |
| Round 2Aug 24, 2007B50 Sicilian | |||||
| Rodrigo Yanguas, M | Nieto de la Cruz, J | ½-½ | 2 | Aug 24, 2007 | B76 Sicilian, dragon, Yugoslav attack, 7...O-O |
| Round 2Aug 24, 2007B76 Sicilian, dragon, Yugoslav attack, 7...O-O | |||||
| Rodriguez Gonzalez, J | Picon Rodriguez, J | 1-0 | 2 | Aug 24, 2007 | A45 Queen's pawn game |
| Round 2Aug 24, 2007A45 Queen's pawn game | |||||
| San Juan Rodriguez, M | Moreno Ruiz, J | 0-1 | 2 | Aug 24, 2007 | B23 Sicilian, closed |
| Round 2Aug 24, 2007B23 Sicilian, closed | |||||
| Sanchez Alarcos Galian, V | Bolea Olivan, J | 1-0 | 2 | Aug 24, 2007 | E03 Catalan, open, Alekhine variation |
| Round 2Aug 24, 2007E03 Catalan, open, Alekhine variation | |||||
| Sanchez Delgado, L | Mazzilli, P | 0-1 | 2 | Aug 24, 2007 | B99 Sicilian, Najdorf, 7...Be7 main line |
| Round 2Aug 24, 2007B99 Sicilian, Najdorf, 7...Be7 main line | |||||
| Sanchez Gonzalez, S | Saldano Dayer, H | 0-1 | 2 | Aug 24, 2007 | C12 French, MacCutcheon variation |
| Round 2Aug 24, 2007C12 French, MacCutcheon variation | |||||
| Sanchez Rodenas, J | Rodriguez Gomez, V | 1-0 | 2 | Aug 24, 2007 | A68 Benoni, four pawns attack |
| Round 2Aug 24, 2007A68 Benoni, four pawns attack | |||||
| Sarabia Utrilla, J | Alvarez Abejon, A | 0-1 | 2 | Aug 24, 2007 | D07 Queen's Gambit Declined, Chigorin defence |
| Round 2Aug 24, 2007D07 Queen's Gambit Declined, Chigorin defence | |||||