A00r — Polish: 1…e5 2.Bb2 d6

1.b4 e5 2.Bb2 d6   ○ Trait aux Blancs

Ouverture — Centre mobile

♔ Point de vue Blancs

8 7 6 5 4 3 2 1
bR
bN
bB
bQ
bK
bB
bN
bR
bP
bP
bP
bP
bP
bP
bP
bP
wP
wP
wBFou actif — mobilité 5
wP
wP
wP
wP
wP
wP
wR
wN
wQ
wK
wB
wN
wR
abcdefgh
Plans. c4 (Frapper le centre adverse — 42 % des parties) ; e3 (Libérer Bf1, préparer Bd3 — 40 % des parties) ; e4 (Occuper le centre — 6 % des parties).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8
wR
wN
wB
wK
wQ
wN
wR
wP
wP
wP
wP
wP
wP
wB
wP
wP
bP
bP
bP
bP
bP
bP
bP
bP
bR
bN
bB
bK
bQ
bBFou actif — mobilité 5
bN
bR
hgfedcba
Plans. ...Nf6 (Développer g8 — 51 % des parties) ; ...f5 (Attaque à l'aile roi — 14 % des parties) ; ...Be6 (Fou actif (mobilité 9), Développer c8 — 8 % des parties) ; ...g6 (Préparer le fianchetto — 8 % des parties).
Avantages
Faiblesses
Diagonale active
Plans

Structure de pions
♔ Blancs ♚ Noirs
Pions doublés
Pions isolés
Arriérés
Chaînes ● d6→e5, c7→d6
Passés
Majorité
Cases
♔ Blancs ♚ Noirs
Cases fortes
Cases faibles
Centre
Colonnes et diagonales
♔ Blancs ♚ Noirs
Pièces
♔ Blancs ♚ Noirs
Bf1 ● Bf1 Non développé (mob. 0)
Bb2 ● Bb2 Actif (mob. 5)
Bc8 ● Bc8 Non développé (mob. 5)
Bf8 ● Bf8 Non développé (mob. 1)
Paire de fous ● Oui ● Oui
Non développées 5 (● b1, ● g1, ● f1, ● a1, ● h1) 6 (● b8, ● g8, ● c8, ● f8, ● a8, ● h8)
Sécurité du roi
♔ Blancs ♚ Noirs
Statut ● Au centre ● Au centre
Droits de roque O-O / O-O-O O-O / O-O-O
Thèmes
♔ Blancs ♚ Noirs
Phase Ouverture
Centre mobile
Ruptures ● d2-d4, ● f2-f4 ● …c7-c5
Partie
1931 Prague ol Prague CZE – Round 5 – Opocensky, Karel – 1-0 – Halvorsen Trygve – G15
1. b4 e5 2. Bb2 d6 3. c4 Be6 4. e3 Be7 5. Nc3 Nf6 6. Nf3 O-O 7. Qc2 Nc6 8. a3 a5 9. b5 Nb8 10. Be2 Qd7
1953 URS Team Ch – Round 1 – Sokolsky, Alexey – 0-1 – Suetin, Alexey S – G1
1. b4 e5 2. Bb2 d6 3. c4 f5 4. e3 Nf6 5. Nf3 Be7 6. d4 e4 7. Nfd2 d5 8. Qb3 c6 9. Nc3 O-O 10. g3 Kh8
1954 Kiev ch-URS – Round 1 – Sokolsky, Alexey – 1/2-1/2 – Kholmov, Ratmir D – G2
1. b4 e5 2. Bb2 d6 3. c4 Nf6 4. e3 g6 5. Nf3 Bg7 6. Nc3 O-O 7. Be2 e4 8. Nd4 c5 9. Nc2 Nc6 10. b5 Ne5
1954 Kiev ch-URS – Round 1 – Sokolsky, Alexey – 1/2-1/2 – Lilienthal, Andor – G1
1. b4 e5 2. Bb2 d6 3. e3 Nf6 4. c4 g6 5. Nf3 Bg7 6. d4 O-O 7. Be2 exd4 8. Qxd4 Nc6 9. Qc3 Re8 10. O-O Qe7
1955 URS Ch sf – Round ? – Sokolsky, Alexey – 1-0 – Nei, Iivo – G8
1. b4 e5 2. Bb2 d6 3. e3 f6 4. c4 g6 5. Nf3 Bg7 6. d4 Ne7 7. Be2 O-O 8. Nc3 Kh8 9. O-O Be6 10. a4 Nd7
1957 Minsk zt – Round 11 – Sokolsky, Alexey – 1-0 – Kirillov, Vladimir – G72
1. b4 e5 2. Bb2 d6 3. c4 Nf6 4. e3 Nbd7 5. Nf3 g6 6. d4 Bg7 7. Be2 O-O 8. O-O Re8 9. dxe5 Ng4 10. Nc3 Ngxe5
1959 Moscow – Round 1 – Katalymov, Boris – 1-0 – Suetin, Alexey S – G1
1. b4 e5 2. Bb2 d6 3. c4 Be7 4. Nc3 c6 5. e3 Nd7 6. d4 Ngf6 7. Nf3 O-O 8. Be2 a6 9. Qb3 b5 10. c5 a5
1959 New York ch-USA – Round 7 – Bernstein, Sidney – 1/2-1/2 – Sherwin, James T – G35
1. b4 e5 2. Bb2 d6 3. c4 Nd7 4. g3 g6 5. Bg2 Bg7 6. Qb3 Ne7 7. Nf3 O-O 8. O-O Nc6 9. Nc3 Re8 10. d3 Nf6
1960 UKR Ch sf – Round 8 – ? – 1-0 – Poliak, Evsey – G46
1. b4 e5 2. Bb2 d6 3. e3 Nd7 4. c4 Ngf6 5. Nc3 g6 6. Nf3 Bg7 7. d4 exd4 8. Nxd4 O-O 9. a3 Ne5 10. Be2 Bd7
1960 USSR – Round 1 – Sokolsky, Alexey – 1-0 – Mnatsakanian, Eduard A – G1
1. b4 e5 2. Bb2 d6 3. c4 Nf6 4. e3 Be7 5. Nf3 e4 6. Nd4 c5 7. Nc2 a5 8. b5 d5 9. cxd5 Qxd5 10. Nc3 Qg5
1962 Rhode Island – Round 1 – Fredenburgh – 0-1 – Barry Bertomeu, Enrique – G1
1. b4 e5 2. Bb2 d6 3. e4 Nf6 4. Nc3 Be6 5. f4 exf4 6. Nf3 d5 7. exd5 Nxd5 8. b5 Bg4 9. Qe2+ Be7 10. Nxd5 Qxd5
1963 USSR – Round 1 – Katalymov, Boris – 0-1 – Taimanov, M. – G1
1. b4 e5 2. Bb2 d6 3. e3 g6 4. c4 Bg7 5. Nf3 Ne7 6. d4 O-O 7. Be2 Nf5 8. dxe5 Nc6 9. Nc3 Nxb4 10. e4 Ne7
1963 USSR – Round 1 – Sokolsky, Alexey – 1-0 – Rubenchik, Rodion – G2
1. b4 e5 2. Bb2 d6 3. e3 Be7 4. c4 Nh6 5. Nf3 O-O 6. Nc3 Bg4 7. h3 Bxf3 8. Qxf3 c6 9. Bd3 f5 10. Bc2 Nd7
1964 Warsaw ch-POL – Round 4 – Gawlikowski, Stanislaw – 1-0 – Bednarski, Artur – G13
1. b4 e5 2. Bb2 d6 3. c4 Nf6 4. e3 Be7 5. Nf3 O-O 6. Nc3 Re8 7. Be2 e4 8. Nd4 c5 9. Nc2 Nc6 10. b5 Ne5
1968 Weimar ch DDR – Round 4 – Starck, Bodo – 1/2-1/2 – Liebert, Heinz – G7
1. b4 e5 2. Bb2 d6 3. e3 g6 4. Nf3 Bg7 5. c4 Nh6 6. Be2 O-O 7. d4 Nd7 8. Nc3 f5 9. Qb3 c6 10. dxe5 dxe5

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

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