C60u - 5.c3 - Spanish: Cozio (1935)

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C60u — Spanish: Cozio (1935)
1.e4 e5 2.Nf3 Nc6 3.Bb5 Nge7 4.O-O g6 5.c3
Les coups candidats
5…Bg7 — 68.6% (1345 parties)
Ambassadeurs : Obukhov, Gennady (11x), Pilgaard, Kim (10x), De Greif, Boris (9x), Zolnierowicz, Krzysztof (9x), Dreev, Aleksey (8x), O'Donnell, Tom (8x), Mirsad, Sakic (7x), Chan, Yi Ren Daniel (7x)
5…a6 — 28.8% (565 parties)
Ambassadeurs : García Rodríguez, Ildefonso (13x), Höppenstein, Michael (10x), Kahl, Fred (9x), Erwich, Frank (8x), Gromov, Sergey Vasilievich (8x), Bronnikov, Konstantin Al. (7x), Aronian, Levon (7x), Dounis, Alexandros (5x)
5…d6 — 2.2% (43 parties)
Ambassadeurs : Beier, Klaus (3x), Rozentalis, Eduardas (2x), Pokojowczyk, Jerzy (1x), Sydor, Andrzej (1x), Ost-Hansen, Jacob (1x), Telling, Kim (1x), Mainka, Romuald (1x), Mokry, Karel (1x)
5…d5 — 0.2% (4 parties)
Ambassadeurs : Iermito, Sebastian Dario (1x), Rivera, Sergio (1x), Ahlers, Heinz W (1x), Signorin, Luca (1x), Loskutov, Oleg (1x), Kvan, Andrey (1x), Lagarde, Dimitri (1x), Grimaldi, Antonin (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 5…Bg7 5…a6 5…d6 5…d5
<1800 186 78% 20% 1% 1%
1800-2200 827 71% 27% 2% —
2200-2600 712 60% 37% 3% 0%
2600+ 23 22% 78% — —
Évolution par décennie (% des parties)
Décennie N parties 5…Bg7 5…a6 5…d6 5…d5
1950s 1 100% — — —
1960s 5 100% — — —
1970s 29 90% 3% 7% —
1980s 42 95% — 5% —
1990s 225 84% 10% 5% —
2000s 485 83% 14% 2% 0%
2010s 947 59% 39% 1% 0%
2020s 227 54% 44% 1% —
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
5…Bg7 59% 54% ▼ -4.7%
5…a6 39% 44% ▲ +5.2%
5…d6 1% 1% -0.1%
5…d5 0% 0% -0.2%
Joueurs célèbres
Champions du monde dans cette position
Karpov, Anatoly — 1 partie
Kramnik, Vladimir — 1 partie
Parties historiques
5…Bg7 — 68.6% (1345 parties)
1958 — Mack, Arthur vs Diebold, Robert — 0-1 — ?
1961 — Milotzki, Kurt vs Gotschacher, Raimund — 0-1 — Meschede
1968 — Zaitsev, Igor A vs Hermlin, Aarne — 1-0 — Riga LAT
1968 — Dely, Peter vs Mechkarov, Ventzeslav — 1/2-1/2 — Riga LAT
1969 — Kurajica, Bojan vs ? — 1/2-1/2 — Pula CRO
5…a6 — 28.8% (565 parties)
1979 — Wilder, Michael vs Balinas, Rosendo C — 1-0 — Lone Pine open
1990 — Liebert, Ervin vs Goergens, Michael — 0-1 — ?
1991 — Fink-Nunn, Petra vs Arkhipov, Sergey — 0-1 — Porz GER
1991 — Kupreichik, Viktor D vs Arkhipov, Sergey — 0-1 — Muenster GER
1992 — Martinez, A. vs Palacios Siegenthaler, Juan A. — 1-0 — cr.
5…d6 — 2.2% (43 parties)
1973 — Van Komen, G. vs Fahlberg, Kenneth — 0-1 — Las Vegas, NV USA
1977 — Ost-Hansen, Jacob vs Telling, Kim — 1-0 — Copenhagen DEN
1980 — Pokojowczyk, Jerzy vs Sydor, Andrzej — 1-0 — Poland ch
1988 — Mainka, Romuald vs Mokry, Karel — 0-1 — Gausdal NOR
1993 — Horther, Heinrich vs Beier, Klaus — 1/2-1/2 — Schney/Ofr.(31.03.-08.04)
5…d5 — 0.2% (4 parties)
2001 — Ahlers, Heinz W vs Signorin, Luca — 0-1 — ?
2003 — Iermito, Sebastian Dario vs Rivera, Sergio — 1-0 — Bogota COL
2012 — Loskutov, Oleg vs Kvan, Andrey — 1-0 — Pavlodar KAZ
2012 — Lagarde, Dimitri vs Grimaldi, Antonin — 0-1 — France