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B40u — Pin Koch Variation
1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Bb4 6.e5
Les coups candidats
6…Nd5 — 78.3% (2046 parties)
Ambassadeurs : Bryntse, Arne (19x), Serrano Pertinez, Miquel (13x), Machin Arbelo, Pedro Alexis (12x), Reede, Arvo (10x), Jobava, Baadur (10x), Dimitrijevic, Darko (9x), Plachetka, Jan (8x), Kaunzinger, Albert (8x)
6…Ne4 — 14.5% (378 parties)
Ambassadeurs : Drill, Frank (6x), Klingen, Mary (3x), Stuart, E Leslie (3x), Unzicker, Wolfgang (2x), Strom, Alex (2x), Palmiotto, Fiorentino (2x), Shianovsky, Vladislav I (2x), Korelov, Alexander P (2x)
6…Qc7 — 4.1% (107 parties)
Ambassadeurs : Lehmann, Horst (3x), Hughes, Dave (3x), Lopez Samon, Yurima (3x), Bahry, J. (2x), Mutschler, Roland (2x), Perrusset Didier (2x), Buchmann, Hans-Peter (2x), Farkas, Lajos (2x)
6…Bxc3+ — 1.6% (43 parties)
Ambassadeurs : Ostersen, Kjeld (2x), Rossetti, Mario (2x), Multala, Anton (1x), Eriksson Lasse (1x), Aaltio, Erkki (1x), Kuro, Timo (1x), Schneider, Hans (1x), Hoffmann, Gerfried (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 6…Nd5 6…Ne4 6…Qc7 6…Bxc3+
<1800 88 75% 11% 5% 7%
1800-2200 989 76% 17% 5% 1%
2200-2600 750 88% 10% 1% 0%
2600+ 20 100%
Évolution par décennie (% des parties)
Décennie N parties 6…Nd5 6…Ne4 6…Qc7 6…Bxc3+
1880s 1 100%
1930s 12 50% 42%
1940s 14 79% 14% 7%
1950s 18 56% 39%
1960s 52 60% 38% 2%
1970s 72 74% 21% 3%
1980s 292 89% 10% 0% 1%
1990s 625 76% 17% 4% 2%
2000s 780 75% 13% 8% 2%
2010s 620 81% 14% 3% 1%
2020s 127 92% 2% 2% 2%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
6…Nd5 81% 92% ▲ +11.5%
6…Ne4 14% 2% ▼ -11.5%
6…Qc7 3% 2% -0.2%
6…Bxc3+ 1% 2% ▲ +1.2%
Joueurs célèbres
Champions du monde dans cette position
Tal, Mikhail — 1 partie
Kasparov, Garry — 1 partie
Parties historiques
6…Nd5 — 78.3% (2046 parties)
1886 — Pollock, William vs Mason, James — 0-1 — London ENG
1930 — Walkerling vs Janssen Laliena, Daniel — 1-0 — cr.
1935 — Schoenmann, Wilhelm vs Elstner, Rudolf — 1-0 — Aachen GER
1936 — Kaila O vs Muhring, Willem Jan — 1-0 — Schack-olympiaden i Munchen
1936 — Kaila, Osmo vs Muhring, Willem Jan — 1-0 — Munich GER
6…Ne4 — 14.5% (378 parties)
1935 — ? vs Pitschak, Rudolf — 1/2-1/2 — Konstantinsbad
1936 — Belson, John Harold vs Opsahl, Haakon — 1-0 — Toronto CAN
1938 — Solmanis, Zigfrids vs Skillicorn, William — 1-0 — Margate ENG
1938 — Acebey Michel, Veroska vs Becker, Albert — 1-0 — Bad Oeynhausen GER
1939 — Szabo, Ladislav vs Mikenas, Vladas — 1-0 — Kemeri / Riga
6…Qc7 — 4.1% (107 parties)
1945 — Vinogradov, Kirill B vs Moskalev, Vassily — 1-0 — Leningrad RUS
1988 — Truman Christiana G. vs Akinwunmi Adebayo Richards — 1/2-1/2 — corr GB grand open
1990 — Sieberg, Rolf vs Bahry, J. — 1-0 — Dortmund open
1990 — Marggraff, B. vs Bahry, J. — 1-0 — Dortmund open
1993 — Klein Douwel, John vs Mutschler, Roland — 1/2-1/2 — Hamburg ch-GER U20
6…Bxc3+ — 1.6% (43 parties)
1963 — Multala, Anton vs Eriksson Lasse — 1-0 — ?
1973 — Lehmann, Wayne Joachim vs Reinhardt, H. — 1-0 — corr DDR/M
1975 — Koppe, Carson vs Prietzsch — 1-0 — corr DDR-PZ
1983 — Schneider, Hans vs Hoffmann, Gerfried — 1-0 — CIF FT-85-619B
1989 — Aaltio, Erkki vs Kuro, Timo — 1-0 — corr SF