E22f - 4…c5 5.dxc5 - Spielmann (1922)

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E22f — Spielmann
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qb3 c5 5.dxc5
Les coups candidats
Ambassadeurs : Riedel, Wolfgang (9x), Botvinnik, Mikhail (8x), Michell, Reginald (8x), Winter, William (8x), Eliskases, Erich (8x), Euwe, Max (8x), Soppe, Guillermo (8x), Aczel, Gergely (8x)
5…Bxc5 — 16.1% (166 parties)
Ambassadeurs : Piket, Jeroen (6x), Saemisch, Friedrich (3x), Kan, Ilya A (3x), Szymczak, Zbigniew (3x), Riedel, Wolfgang (3x), Kulkarni Bhakti (3x), Barth, Erich (2x), Botvinnik, Mikhail (2x)
5…Na6 — 16.0% (165 parties)
Ambassadeurs : Liebert, Heinz (4x), Anikonov, Dmitry (4x), Botvinnik, Mikhail (3x), Epishin, Vladimir (3x), Kiriakov, Petr (3x), Alekhine, Alexander (2x), Averbakh, Yuri L (2x), Sliwa, Bogdan (2x)
5…Qa5 — 1.3% (13 parties)
Ambassadeurs : Dietz, Holger, Dr. (1x), Heidenfeld, Mark (1x), Radice, Luca (1x), Bruno, Fabio (1x), Christiansen, Larry (1x), Ljubojevic, Ljubomir (1x), Zdebik, Barbara (1x), Hauser, Tina (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 5…Nc6 5…Bxc5 5…Na6 5…Qa5
<1800 10 50% 40% — 10%
1800-2200 214 57% 24% 16% 3%
2200-2600 373 65% 15% 20% 1%
2600+ 19 58% 21% 16% 5%
Évolution par décennie (% des parties)
Décennie N parties 5…Nc6 5…Bxc5 5…Na6 5…Qa5
1920s 31 68% 26% 6% —
1930s 153 89% 5% 5% —
1940s 32 84% 6% 9% —
1950s 26 38% 15% 46% —
1960s 34 71% 6% 24% —
1970s 35 57% 26% 17% —
1980s 51 73% 6% 20% 2%
1990s 161 58% 17% 22% 2%
2000s 219 58% 23% 18% 2%
2010s 203 61% 21% 16% 2%
2020s 85 76% 13% 9% 1%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
5…Nc6 61% 76% ▲ +15.4%
5…Bxc5 21% 13% ▼ -7.7%
5…Na6 16% 9% ▼ -6.8%
5…Qa5 2% 1% ▼ -0.8%
Joueurs célèbres
Champions du monde dans cette position
Botvinnik, Mikhail — 10 parties
Alekhine, Alexander — 9 parties
Euwe, Max — 9 parties
Tal, Mikhail — 2 parties
Karpov, Anatoly — 2 parties
Smyslov, Vladimir — 1 partie
Karpov, Aleksandr — 1 partie
Parties historiques
5…Nc6 — 66.4% (684 parties)
1924 — ? vs Gedult — 0-1 — Morocco
1924 — ? vs Gedult, David — 0-1 — Marrakesch,Morocco
1925 — Rabinovich, Ilya Mar vs Romanovsky, Pjotr — 0-1 — Moscow RUS
1925 — King, Eduard Norman vs Alekhine, Alexander — 0-1 — Hastings ENG
1925 — Verlinsky, Boris vs Romanovsky, Pjotr — 1-0 — Leningrad ch-URS
5…Bxc5 — 16.1% (166 parties)
1922 — Rubinstein, Akiba vs Teichmann, Richard — 1-0 — Teplitz-Schoenau GER
1922 — Gruenfeld, Ernst vs Saemisch, Friedrich — 1-0 — Vienna AUT
1925 — Steneberg, Fritz vs Saemisch, Friedrich — 0-1 — Berlin GER
1927 — Barth, Erich vs Saemisch, Friedrich — 0-1 — Mittweida
1927 — Barth, Erich vs Ahues, Carl — 1/2-1/2 — Mittweida
5…Na6 — 16.0% (165 parties)
1928 — Voellmy, Erwin vs Alekhine, Alexander — 0-1 — Bern SUI
1929 — Bogoljubow, Efim vs Alekhine, Alexander — 1-0 — Deutschland/Niederlande
1930 — Botvinnik, Mikhail vs Gothilf, Solomon Borisovich — 1-0 — Leningrad RUS
1930 — Botvinnik, Mikhail vs Gotthilf, Solomon B — 1-0 — Leningrad Masters
1931 — Nekrasov, Aleksander vs Ratner, Boris — 1-0 — Moscow RUS
5…Qa5 — 1.3% (13 parties)
1987 — Dietz, Holger, Dr. vs Heidenfeld, Mark — 1/2-1/2 — Wurtemberg
1991 — Zdebik, Barbara vs Hauser, Tina — 0-1 — Magdeburg GER
1993 — Christiansen, Larry vs Ljubojevic, Ljubomir — 1/2-1/2 — Monte Carlo MNC
1996 — Radice, Luca vs Bruno, Fabio — 1-0 — Porto San Giorgio
2001 — Saga, Vladimir vs Seben, Jaroslav — 0-1 — Slovakia