A00r — Polish Opening: Czech Defense (1931)
1.b4 e5 2.Bb2 d6
Les coups candidats
3.c4 — 42.0% (1445 parties)
Ambassadeurs : Melich, Jindrich (16x), Sternik, Ryszard (14x), Buczinski, Henryk (14x), Degterev, Pavel (13x), Labahn, Wolfgang (12x), Brzoza, Miroslaw (10x), Ulaneo, Matias (10x), Hasler, Ulrich (9x)
3.e3 — 39.7% (1368 parties)
Ambassadeurs : Vahl, Laurens (10x), Gross, Wilhelm (9x), Ruhle, Ernst-Albrecht (9x), Merten, Rainer (8x), Ulaneo, Matias (8x), Bigalke, Andre (8x), Bulcourf, Carlos (8x), Poschmann, Hans (7x)
3.e4 — 6.0% (205 parties)
Ambassadeurs : Ulaneo, Matias (4x), Calloway, Paul (2x), Kowalkowski, Zbigniew (2x), Woschkat, Karl Heinz (2x), Flewelling, Heather (2x), Skrzypczak, Michal (2x), Krizsa, Sandor Dr. (2x), Goblyos, Gyorgy (2x)
3.b5 — 4.5% (155 parties)
Ambassadeurs : Mallmann, Bernd (7x), Todorcevic Antic, Miodrag (3x), Bittner, Axel (2x), Bittorf, Hansjoerg (2x), Wartig, Wolfgang (2x), Schwichtenberg, Juergen (2x), Barandiaran, Gabriel (2x), Veszely, Frank (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 3.c4 3.e3 3.e4 3.b5
<1800 463 36% 40% 8% 6%
1800-2200 1321 41% 43% 6% 3%
2200-2600 246 39% 46% 3% 1%
2600+ 1 100%
Évolution par décennie (% des parties)
Décennie N parties 3.c4 3.e3 3.e4 3.b5
1950s 19 47% 37% 11%
1960s 69 59% 36% 3%
1970s 121 67% 20% 7% 2%
1980s 379 61% 30% 3% 4%
1990s 814 42% 40% 7% 6%
2000s 1059 36% 45% 5% 5%
2010s 863 37% 41% 8% 4%
2020s 120 30% 39% 2% 6%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
3.c4 37% 30% ▼ -7.3%
3.e3 41% 39% ▼ -2.0%
3.e4 8% 2% ▼ -5.7%
3.b5 4% 6% ▲ +1.7%
Parties historiques
3.c4 — 42.0% (1445 parties)
1953 — Sokolsky, Alexey vs Suetin, Alexey S — 0-1 — Leningrad RUS
1954 — Sokolsky, Alexey vs Kholmov, Ratmir D — 1/2-1/2 — Kiev ch-URS
1954 — Sokolsky, Alexey vs Lilienthal, Andor — 1/2-1/2 — Kiev UKR
1956 — Czaplinski, Bartosz vs Rover, Arthur Kalil — 0-1 — ?
1957 — Sokolsky, Alexey vs Kirillov, Vladimir — 1-0 — Minsk BLR
3.e3 — 39.7% (1368 parties)
1950 — Schiefrer vs Bottcher, Leopold — 1-0 — ?
1953 — Rathner, Raffael vs Belkadi, Ridha — 0-1 — Paris FRA
1954 — Sokolsky, Alexey vs Lilienthal, Andor — 1/2-1/2 — Kiev ch-URS
1955 — Sokolsky, Alexey vs Nei, Iivo — 1-0 — Vilnius LTU
1956 — Rankis, August vs Peckar, Mark — 1-0 — New York, NY USA
3.e4 — 6.0% (205 parties)
1956 — Henderson, Callum vs White, Forrest — 1-0 — Hollywood
1958 — Barviks, Andris vs Koblencs, Alexander — 0-1 — Riga LAT
1962 — Fredenburgh vs Barry Dickson — 0-1 — Rhode Island
1964 — Frank, Tena, Dr. vs Post, LeRoy A — 1-0 — Oakland
1971 — Puls, Luisa vs Ang Ang Koch — 1-0 — corr DDR
3.b5 — 4.5% (155 parties)
1970 — Jacobs, Jean vs Campeert, Julien — 1/2-1/2 — Ghent
1975 — Baars, Gerard vs Ulaneo, Matias — 1/2-1/2 — ?
1980 — Wartig, Wolfgang vs Anger, Klaus — 1/2-1/2 — ?
1980 — Wartig, Wolfgang vs Schutz, Andrzej — 1-0 — ?
1980 — Rader, Ted vs Miller, Donald — 1-0 — USA