D63u - 7…a6 8.cxd5 exd5 9.Bd3 c6 - Orthodox Swiss Karlsbad

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D63u — Orthodox Swiss Karlsbad
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Be7 5.e3 O-O 6.Nf3 Nbd7 7.Rc1 a6 8.cxd5 exd5 9.Bd3 c6
Les coups candidats
10.O-O — 62.7% (445 parties)
Ambassadeurs : Csom, Istvan (9x), Ziatdinov, Raset (7x), Euwe, Max (6x), Portisch, Lajos (5x), Szollosi, Laszlo (4x), Schlechter, Carl (3x), Rubinstein, Akiba (3x), Alekhine, Alexander (3x)
10.Qc2 — 34.9% (248 parties)
Ambassadeurs : Eliskases, Erich (5x), Bolbochan, J. (4x), Ziatdinov, Raset (4x), Tartakower, Savielly (3x), Hort, Vlastimil (3x), Portisch, Lajos (3x), Balashov, Yuri (3x), Csom, Istvan (3x)
10.Bb1 — 0.8% (6 parties)
Ambassadeurs : Balashov, Yuri (2x), Bensadon, Rafael (1x), Olivera, Alfredo (1x), Marin, Mihail (1x), Vera Gonzalez-Quevedo, Reynaldo (1x), Kharitonov, Andrei V (1x), Kharitonov, Adil (1x), Unmack, Christian (1x)
10.h3 — 0.7% (5 parties)
Ambassadeurs : Ovod, Evgenija (1x), Ziatdinov, Raset (1x), Debashis, Das (1x), Sargissian, Gabriel (1x), Usmanov, Vasily (1x), Barskij, Vladimir (1x), Brunner, Nicolas (1x), Lambach, Maxime (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 10.O-O 10.Qc2 10.Bb1 10.h3
<1800 8 75% 25% — —
1800-2200 142 78% 18% 1% 1%
2200-2600 330 56% 41% 1% 1%
2600+ 9 33% 67% — —
Évolution par décennie (% des parties)
Décennie N parties 10.O-O 10.Qc2 10.Bb1 10.h3
1890s 3 100% — — —
1900s 7 100% — — —
1910s 3 100% — — —
1920s 25 72% 24% — —
1930s 38 45% 50% 3% —
1940s 19 37% 63% — —
1950s 14 36% 64% — —
1960s 17 65% 35% — —
1970s 54 65% 35% — —
1980s 95 58% 39% 3% —
1990s 168 61% 38% — —
2000s 143 71% 27% 1% 1%
2010s 107 67% 30% — 2%
2020s 17 53% 35% — 12%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
10.O-O 67% 53% ▼ -14.3%
10.Qc2 30% 35% ▲ +5.4%
10.Bb1 0% 0% +0.0%
10.h3 2% 12% ▲ +9.9%
Joueurs célèbres
Champions du monde dans cette position
Euwe, Max — 6 parties
Alekhine, Alexander — 4 parties
Lasker, Emanuel — 1 partie
Parties historiques
10.O-O — 62.7% (445 parties)
1897 — Burn, Amos vs Zinkl, Adolf — 1-0 — Berlin GER
1897 — Pillsbury, Harry vs Showalter, Jackson — 1-0 — New York, NY USA
1897 — Pillsbury, Harry vs Showalter, Jackson — 1-0 — Brooklyn
1904 — Fox, Albert vs Schlechter, Carl — 1-0 — Cambridge
1904 — Rubinstein, Akiba vs Marchand, Max — 1/2-1/2 — Monte Carlo MNC
10.Qc2 — 34.9% (248 parties)
1925 — Saemisch, Friedrich vs Bogoljubow, Efim — 0-1 — Moscow RUS
1926 — Duhamel Herz, Marina vs Wotawa — 1-0 — Vienna AUT
1926 — Przepiorka, Dawid vs Grob, Henry — 0-1 — Meran ITA
1927 — Capablanca, Jose vs Alekhine, Alexander — 1/2-1/2 — Buenos Aires ARG
1928 — Wertheim, Willem F vs Palau, Luis — 1-0 — The Hague NED
10.Bb1 — 0.8% (6 parties)
1938 — Bensadon, Rafael vs Olivera, Alfredo — 1/2-1/2 — Montevideo URU
1987 — Kharitonov, Andrei V vs Balashov, Yuri — 1/2-1/2 — Sverdlovsk
1987 — Kharitonov, Adil vs Balashov, Yuri — 1/2-1/2 — URS-FL Sverdlovsk
1988 — Marin, Mihail vs Vera Gonzalez-Quevedo, Reynaldo — 1/2-1/2 — Berlin op Berlin-West
2002 — Unmack, Christian vs Glud, Jakob Vang — 0-1 — Copenhagen DEN
10.h3 — 0.7% (5 parties)
2003 — Ovod, Evgenija vs Ziatdinov, Raset — 1-0 — St Petersburg RUS
2014 — Debashis, Das vs Sargissian, Gabriel — 1-0 — Doha QAT
2017 — Usmanov, Vasily vs Barskij, Vladimir — 1/2-1/2 — Sochi RUS
2020 — Brunner, Nicolas vs Lambach, Maxime — 1-0 — Europe-Echecs INT
2022 — Primrose, J.. vs Murray, James S. — 1/2-1/2 — ICCF