D56f - 9…c6 - Lasker Defence, Teichmann (1939)

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D56f — Lasker Defence, Teichmann (1939)
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Be7 5.e3 O-O 6.Nf3 h6 7.Bh4 Ne4 8.Bxe7 Qxe7 9.Qc2 c6
Les coups candidats
10.Bd3 — 62.0% (101 parties)
Ambassadeurs : Lachmann, Hans G (3x), Kirchhammer, Rudolf (2x), Schoenthier, Frank (2x), Kahn, Manfred (1x), Fuchs, Reinhart (1x), Averbakh, Yuri L (1x), Kotov, Alexander (1x), Geller, Efim P. (1x)
10.Nxe4 — 17.8% (29 parties)
Ambassadeurs : Schmidt, Gerhard (2x), Taimanov, Mark (1x), Tsvetkov, Aleksandar (1x), Flohr, Salo (1x), Bouwmeester, Hans (1x), Staahlberg, Gideon (1x), Pirc, Vasja (1x), Cherepkov, Alexander V (1x)
10.Be2 — 7.4% (12 parties)
Ambassadeurs : Siegel, Paul (1x), Staudte, Hans-Hilmar (1x), Rittner, Horst (1x), Ruester, O (1x), Kauder, Hartmut (1x), Otto, Arnold (1x), Krause, Kurt (1x), Zirngibl, Albert (1x)
10.a3 — 6.1% (10 parties)
Ambassadeurs : Bronstein, David I (1x), Klovans, Janis (1x), Udovcic, Mijo (1x), Paoli, Enrico (1x), Donnelly, Mike J Dr (1x), Lachmann, Helmut (1x), Addison, William Grady (1x), Acers, Jude (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 10.Bd3 10.Nxe4 10.Be2 10.a3
1800-2200 53 62% 25% 4% 4%
2200-2600 65 77% 11% 2% 6%
Évolution par décennie (% des parties)
Décennie N parties 10.Bd3 10.Nxe4 10.Be2 10.a3
1950s 22 45% 18% 23% —
1960s 12 50% 17% — 25%
1970s 9 56% — 22% 11%
1980s 9 78% — — —
1990s 14 64% 29% 7% —
2000s 55 69% 18% 4% 5%
2010s 34 62% 24% 6% 9%
2020s 8 62% 12% — —
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
10.Bd3 62% 62% ▲ +0.7%
10.Nxe4 24% 12% ▼ -11.0%
10.Be2 6% 0% ▼ -5.9%
10.a3 9% 0% ▼ -8.8%
Parties historiques
10.Bd3 — 62.0% (101 parties)
1950 — Lehmann, Heinz vs Staudte, Hans-Hilmar — 0-1 — Bad Pyrmont GER
1952 — Averbakh, Yuri L vs Kotov, Alexander — 1/2-1/2 — Stockholm izt
1952 — Geller, Efim P. vs Taimanov, Mark — 1/2-1/2 — Saltsjobaden SWE
1952 — Koblencs, Alexander vs Nei, Iivo — 1-0 — Riga LAT
1953 — Hantke, Rolf vs Lachmann, Hans G — 1/2-1/2 — Bielefeld
10.Nxe4 — 17.8% (29 parties)
1952 — Cherepkov, Alexander V vs Nikitin, A. — 0-1 — Riga LAT
1954 — Staahlberg, Gideon vs Pirc, Vasja — 1/2-1/2 — Amsterdam NED
1956 — Taimanov, Mark vs Tsvetkov, Aleksandar — 1/2-1/2 — Moskou olm
1959 — Usov, Nikolay Sergeevich vs Luik, Helmuth — 1-0 — Chelyabinsk RUS
1963 — Flohr, Salo vs Bouwmeester, Hans — 1/2-1/2 — Amsterdam NED
10.Be2 — 7.4% (12 parties)
1950 — Siegel, Paul vs Staudte, Hans-Hilmar — 1/2-1/2 — Bad Pyrmont GER
1950 — Kauder, Hartmut vs Otto, Arnold — 1/2-1/2 — Soemmerda GER
1950 — Krause, Kurt vs Zirngibl, Albert — 1/2-1/2 — Soemmerda GER
1951 — Rittner, Horst vs Ruester, O — 1-0 — Germany ch-2 5153 final
1952 — Kotov, Alexander vs Pilnik, Herman — 1-0 — Stockholm izt
10.a3 — 6.1% (10 parties)
1963 — Bronstein, David I vs Klovans, Janis — 1/2-1/2 — Almaty
1964 — Udovcic, Mijo vs Paoli, Enrico — 1-0 — Zagreb CRO
1968 — Donnelly, Mike J Dr vs Lachmann, Helmut — 0-1 — Whitby
1971 — Addison, William Grady vs Acers, Jude — 1-0 — Berkeley
2002 — Medic, Miljenko vs Rodgaard, John — 1/2-1/2 — Bled SLO