E22b - 4…c5 - Spielmann (1938)

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E22b — Spielmann (1938)
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qb3 c5
Les coups candidats
Ambassadeurs : Riedel, Wolfgang (13x), Piket, Jeroen (12x), Soppe, Guillermo (10x), Aczel, Gergely (7x), Akopian, Vladimir (6x), Csoma, Robert (6x), Donner, Jan-Hein (5x), Mahalakshmi, M (5x)
Ambassadeurs : Pieterse, Gert (5x), Giffard, Nicolas (3x), Meyer, Holger (2x), Brenninkmeijer, Joris (2x), Morin, Louis (2x), Deak, Ferenc (2x), Mueller, Michael (2x), Tereshechkina, Maya (2x)
Ambassadeurs : Basson, Heinrich (5x), Askgaard, Jens (3x), Tolnai, Tibor (2x), Ruiz Segura, John Phillips (2x), Schaub, Marc (2x), Rossetto, Hector (1x), Faleg, Alberto (1x), Szily, Jozsef (1x)
5.a3 — 7.6% (100 parties)
Ambassadeurs : Ilincic, Zlatko (3x), Vigfusson, Thrainn (2x), Lanchava, Tea (2x), Nissi, Jussi (2x), De Farias Ivan (2x), Fischer, Franz (1x), Syska, Heiko (1x), Schweber, Samuel (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 5.dxc5 5.Nf3 5.e3 5.a3
<1800 81 42% 12% 21% 14%
1800-2200 456 53% 16% 13% 11%
2200-2600 513 71% 16% 5% 5%
2600+ 17 82% 12% — 6%
Évolution par décennie (% des parties)
Décennie N parties 5.dxc5 5.Nf3 5.e3 5.a3
1950s 33 79% 15% 3% 3%
1960s 40 85% 8% 2% 2%
1970s 48 75% 2% 6% 10%
1980s 71 72% 4% 10% 4%
1990s 250 64% 18% 8% 6%
2000s 356 62% 11% 12% 8%
2010s 369 55% 18% 11% 10%
2020s 149 66% 21% 5% 7%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
5.dxc5 55% 66% ▲ +10.5%
5.Nf3 18% 21% ▲ +3.0%
5.e3 11% 5% ▼ -6.1%
5.a3 10% 7% ▼ -2.4%
Joueurs célèbres
Champions du monde dans cette position
Karpov, Anatoly — 3 parties
Tal, Mikhail — 2 parties
Parties historiques
5.dxc5 — 62.9% (828 parties)
1950 — Eken, Max vs Karper, J G — 1-0 — Comp.LB
1950 — Eken, Max vs Kupper, Josef — 1-0 — Lucerne SUI
1950 — Rapaka Samuel Paul vs Pirc, Vasja — 1/2-1/2 — Amsterdam NED
1950 — Donner, Jan-Hein vs Mueller, Helge — 1-0 — Venice ITA
1950 — Donner, Jan-Hein vs Hein-Muller, Hans — 1-0 — Venice ITA
5.Nf3 — 14.9% (196 parties)
1950 — Canal, Esteban vs Castillo Bermudez, Manuel — 0-1 — Dubrovnik CRO
1951 — Meyer, Christian Hermann vs Bogoljubow, Efim — 0-1 — Retzstadt
1956 — Sliwa, Bogdan vs Lorson, Gerhard — 1-0 — Moskou olm
1958 — Meyer, Holger vs Rosinov, B. — 1/2-1/2 — corr USSR-GER
1958 — Meyer, Holger vs Seibold, M. — 1/2-1/2 — cr.
5.e3 — 9.1% (120 parties)
1958 — Szily, Jozsef vs Kluger, Gyula — 1/2-1/2 — Budapest HUN
1964 — Rossetto, Hector vs Faleg, Alberto — 1-0 — Mar del Plata ARG
1971 — Kelecevic, Nedeljko vs Jager, Bnaya — 1-0 — It (open) Imperia ITA
1974 — Groenroos, Pentti vs Lange, Hans-Werner — 1-0 — ?
1976 — Valdes Castillo, Arnaldo vs Bueno Perez, Lazaro Antonio — 0-1 — Cienfuegos City CUB
5.a3 — 7.6% (100 parties)
1956 — Fischer, Franz vs Syska, Heiko — 1/2-1/2 — corr BdF-cup3
1960 — Schweber, Samuel vs Faleg, Alberto — 1/2-1/2 — Buenos Aires ch-ARG
1972 — Mikkelsen, Poul Helvig vs Le Marquand, Eathan — 1/2-1/2 — Skopje MKD
1973 — Ungureanu, Emil vs Mititelu, Gheorghe — 1/2-1/2 — Bucharest ROU
1976 — Croes, Willem vs Abreu Jean, Carlos Paul — 0-1 — Haifa ISR