C14d - 7.Nb5 - Classical Variation, Alapin Variation (1900)

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C14d — Classical Variation, Alapin Variation (1900)
1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 Be7 5.e5 Nfd7 6.Bxe7 Qxe7 7.Nb5
Les coups candidats
7…Nb6 — 76.5% (397 parties)
Ambassadeurs : Naumann, Klaus (4x), Bronstein, Luis Marcos (4x), Borgo, Giulio (3x), Iljushin, Alexei (3x), Muench, Ingo (3x), Jovanovic, Bratislav M (3x), Nestorovic, Nikola (3x), Nabaty, Tamir (3x)
7…Qd8 — 15.0% (78 parties)
Ambassadeurs : Wielecki, Zygmunt (2x), Dourerassou, Jonathan (2x), Letic, Anela (1x), Reseli, Bela (1x), Smith, C J (1x), Blackstone, John (1x), Fischheimer, Daniel (1x), Addison, Wiliam G (1x)
7…Na6 — 4.6% (24 parties)
Ambassadeurs : Stangl, Anita, Dr. (2x), Mardell, Jimmy (2x), Zalys, Ignas (1x), Avery, Peter (1x), Bronstein, David I (1x), Salas Chavez, Narciso (1x), Koeniger, Philipp (1x), Herb, Pascal (1x)
7…Nf8 — 2.1% (11 parties)
Ambassadeurs : Oblitas, Carlomagno (1x), Paredes, Alejandro (1x), Vit, Jiri (1x), Tenk, Petr (1x), Megias Gonzalez, Javier (1x), Patil, Shirish (1x), Royset, Pal (1x), Thinley, Shanphen (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 7…Nb6 7…Qd8 7…Na6 7…Nf8
<1800 46 70% 22% 7% —
1800-2200 229 76% 15% 5% 3%
2200-2600 149 83% 11% 3% 1%
2600+ 1 100% — — —
Évolution par décennie (% des parties)
Décennie N parties 7…Nb6 7…Qd8 7…Na6 7…Nf8
1950s 12 50% 42% — —
1960s 5 100% — — —
1970s 9 78% — 22% —
1980s 16 69% 25% — —
1990s 84 71% 18% 6% 2%
2000s 159 77% 13% 6% 1%
2010s 199 76% 16% 4% 4%
2020s 35 94% 6% — —
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
7…Nb6 76% 94% ▲ +17.9%
7…Qd8 16% 6% ▼ -9.9%
7…Na6 4% 0% ▼ -4.0%
7…Nf8 4% 0% ▼ -4.0%
Parties historiques
7…Nb6 — 76.5% (397 parties)
1950 — Pfeiffer, Gerhard vs Collet, Hugo — 1-0 — Dubrovnik olm
1950 — Smith, Frank H vs Cafferty, Bernard — 0-1 — ?
1952 — Baldanello, Mario vs Del Vecchio, Lucio — 1/2-1/2 — Ferrara ITA
1952 — Kopetzky, Karl vs Beni, Alfred — 0-1 — Vienna AUT
1958 — Mogensen, Lars Ole vs Svendsen, Aina Marie — 1-0 — Aabenra
7…Qd8 — 15.0% (78 parties)
1950 — Pfeiffer, Gerhard vs Panagopoulos, Takis — 1-0 — Dubrovnik CRO
1954 — Letic, Anela vs Reseli, Bela — 1-0 — corr ch-YUG
1955 — Fischheimer, Daniel vs Addison, Wiliam G — 0-1 — Long Beach, CA USA
1955 — Speijer, Nico Bram vs Couvee — 1-0 — ?
1959 — Smith, C J vs Blackstone, John — 1-0 — No. CA
7…Na6 — 4.6% (24 parties)
1970 — Zalys, Ignas vs Avery, Peter — 1-0 — Toronto CAN
1974 — Bronstein, David I vs Salas Chavez, Narciso — 1-0 — San Salvador ESA
1992 — Koeniger, Philipp vs Stangl, Anita, Dr. — 0-1 — Munich GER
1993 — Steinbacher, Matthias, Dr. vs Stangl, Anita, Dr. — 1-0 — Berlijn open
1995 — Boncek, Rich vs Adams, Michael — 0-1 — Thematic Compuser
7…Nf8 — 2.1% (11 parties)
1990 — Oblitas, Carlomagno vs Paredes, Alejandro — 1/2-1/2 — Merlo
1997 — Vit, Jiri vs Tenk, Petr — 1/2-1/2 — Plzen CZE
2000 — Megias Gonzalez, Javier vs Patil, Shirish — 1-0 — Benasque ESP
2010 — Sarbok, Torsten vs De Winter Soto, Arthuur — 1-0 — Rijeka CRO
2013 — Royset, Pal vs Thinley, Shanphen — 1-0 — Helsingor DEN