B31b - 4.Nc3 - Rossolimo (1904)

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B31b — Rossolimo (1904)
1.e4 c5 2.Nf3 Nc6 3.Bb5 g6 4.Nc3
Les coups candidats
4…Bg7 — 89.0% (2125 parties)
Ambassadeurs : Gdanski, Jacek (10x), Mary, Patrick (9x), Cornette, Matthieu (9x), Nieminen, Kari (8x), Bhowmik Roy Chowdhury, Sankha (8x), Al-Mudahka, Mohd (6x), Abaho Hilda (6x), Gipslis, Aivars (4x)
4…Nd4 — 9.1% (218 parties)
Ambassadeurs : Gdanski, Jacek (10x), Nieminen, Kari (2x), Keitlinghaus, Ludger (2x), Fiedler, Bedrich (2x), Van Wely, Loek (2x), Traistaru, Teodora (2x), Hirsh, G. (1x), Martinowsky, Dr Eugene (1x)
4…a6 — 1.0% (23 parties)
Ambassadeurs : Quesada Fernandez, Gonzalo (1x), Bernaldo de Quiros Maria Raquel (1x), Cid, Marino Alejandro (1x), Quiroga, Facundo (1x), Fantoni, Franco (1x), Jonsson, Gudbrandur (1x), Hutois, Nicolas (1x), Drean, Philippe (1x)
4…Nf6 — 0.3% (8 parties)
Ambassadeurs : Breitenstein, Erich (1x), Fritsche, Frank (1x), Makka, Ioulia (1x), Tjolsen, Katrine (1x), Van Nies, Pauline (1x), Fages, Jorge Juan (1x), Dalar, Ali Riza (1x), Hiçdönmez, Hakan (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 4…Bg7 4…Nd4 4…a6 4…Nf6
<1800 202 92% 6% 1% 0%
1800-2200 945 89% 9% 1% 0%
2200-2600 856 88% 12% 0% 0%
2600+ 47 91% 9% — —
Évolution par décennie (% des parties)
Décennie N parties 4…Bg7 4…Nd4 4…a6 4…Nf6
1950s 2 100% — — —
1960s 3 67% 33% — —
1970s 6 100% — — —
1980s 26 96% 4% — —
1990s 252 89% 9% 1% —
2000s 751 90% 9% 1% 0%
2010s 953 90% 8% 1% 0%
2020s 395 85% 14% 1% 0%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
4…Bg7 90% 85% ▼ -5.5%
4…Nd4 8% 14% ▲ +5.7%
4…a6 1% 1% +0.1%
4…Nf6 0% 0% -0.2%
Joueurs célèbres
Champions du monde dans cette position
Carlsen, Magnus — 3 parties
Anand, Viswanathan — 1 partie
Kasparov, Garry — 1 partie
Parties historiques
4…Bg7 — 89.0% (2125 parties)
1950 — Limbourg, Remi vs Boey, Josef — 1/2-1/2 — Antwerp BEL
1952 — Dinsen, Carl Krarup vs Mardle, Denis — 0-1 — Liverpool
1961 — Shatskes, Boris A vs Estrin, Yakov — 0-1 — Moscow RUS
1967 — Nikolic, Stanimir vs Waltemathe, Alfred P — 0-1 — Beverwijk NED
1970 — Paoli, Alessio Matteo vs Dely, Isaline — 0-1 — Bari it Bari ITA
4…Nd4 — 9.1% (218 parties)
1966 — Hirsh, G. vs Martinowsky, Dr Eugene — 0-1 — ?
1987 — Seul, Georg vs Dietze, Frank — 1-0 — Duitsland tt
1990 — Pradelle, J. vs Birens, Eric-Andre — 0-1 — Toulouse FRA
1990 — Heitsch, Bernhard, Dr. vs Koehler, Ronald — 1/2-1/2 — Hessen qual
1992 — Grabher, Heinz vs Fiedler, Bedrich — 0-1 — Czechoslovakia
4…a6 — 1.0% (23 parties)
1991 — Cid, Marino Alejandro vs Quiroga, Facundo — 1-0 — Mar del Plata open
1996 — Quesada Fernandez, Gonzalo vs Bernaldo de Quiros Maria Raquel — 0-1 — ?
1999 — Fantoni, Franco vs Jonsson, Gudbrandur — 1-0 — ?
2001 — Anisca, Bogdan vs Denker, Stephan — 0-1 — Neumuenster
2002 — Hutois, Nicolas vs Drean, Philippe — 0-1 — Fouesnant FRA
4…Nf6 — 0.3% (8 parties)
2004 — Breitenstein, Erich vs Fritsche, Frank — 0-1 — ?
2006 — Van Nies, Pauline vs Fages, Jorge Juan — 0-1 — LSS
2008 — Makka, Ioulia vs Tjolsen, Katrine — 1-0 — Gjovik NOR
2010 — Dalar, Ali Riza vs Hiçdönmez, Hakan — 0-1 — ICCF
2011 — Sánchez Carol, Jesús vs Monreal Godina, José Daniel — 1-0 — ICCF