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Posted: **Fri Apr 27, 2018 6:42 pm**

Hi.
What's the difference between old and modern/new Benoni?

Thanksw in advance

Posted: **Fri Apr 27, 2018 6:44 pm**

soheil_hooshdaran wrote: ↑
Fri Apr 27, 2018 6:42 pm
Hi.
What's the difference between old and modern/new Benoni?

Modern Benoni

1. d4 Nf6 2. c4 c5 3. d5 e6

Old Benoni

1. d4 Nf6 2. c4 c5 3. d5 e5

It's whether the e pawn goes one square or two.

Posted: **Fri Apr 27, 2018 8:52 pm**

What about 1.d4 c5?

Posted: **Fri Apr 27, 2018 9:42 pm**

soheil_hooshdaran wrote: ↑
Fri Apr 27, 2018 8:52 pm
What about 1.d4 c5?

Could be either, depending on what happens next.

Posted: **Mon Dec 03, 2018 7:02 pm**

[Event "?"]
[Site "?"]
[Date "????.??.??"]
[Round "?"]
[White "?"]
[Black "?"]
[Result "*"]
[PlyCount "12"]

1. d4 Nf6 (1... c5 2. d5 Nf6 (2... e5 3. e4 d6 4. Bb5+ $5 Bd7 5. Bxd7+ Nxd7 6.
Nc3 g6 {Playable, but White's got more space and a good Bishop. c4 could be
available for the KS Knight.}) (2... e6 $6 3. Nc3 {This just looks bad for
Black...} exd5 (3... Nf6 4. e4 exd5 $6 5. e5 $1 d4 $4 6. exf6 $1 dxc3 7. Qe2
$18) 4. Nxd5 Nf6 5. Bg5 Be7 6. Bxf6 Bxf6 7. c3 $14 {And White keeps control
over the d5 square.}) (2... b5 3. e4 Qb6 4. a4 b4 5. Nd2 {With a nice spot for
the Knight on c4.}) 3. Nc3 $1 (3. c4 {This transposes into the modern benoni
after:} e6 (3... e5 {Czech Benoni.})) 3... Qa5 4. Bd2 b5 {Schmid Benoni.} 5. e4
b4 6. e5 bxc3 7. Bxc3 Qa4 8. exf6 gxf6 {Supposed to be better for White...}) 2.
c4 c5 (2... g6 3. Nc3 c5 4. d5 Bg7 5. e4 d6 {This can transpose into a normal
Benoni after Black castles and then goes ...e6.}) 3. d5 e6 (3... e5 4. Nc3 d6
5. e4 {Czech Benoni or Hromadka Benoni.}) 4. Nc3 exd5 $1 5. cxd5 {White gets a
central Pawn Majority, Black gets a Queen Side Majority.} d6 (5... Bd6 {Snake
Benoni. The Bishop often goes to c7 and then a5, hence the name.}) 6. e4 g6 {
Modern Benoni. The Bishop will be pretty active on g7.} (6... Be7 $6 {The
Bishop is rather passive on e7. Hardly anyone plays this nowadays. "Bad
Benoni".}) *

Posted: **Sun Dec 09, 2018 12:10 pm**

Roger de Coverly wrote: ↑
Fri Apr 27, 2018 6:44 pm

soheil_hooshdaran wrote: ↑
Fri Apr 27, 2018 6:42 pm
Hi.
What's the difference between old and modern/new Benoni?
Modern Benoni

1. d4 Nf6 2. c4 c5 3. d5 e6

Old Benoni

1. d4 Nf6 2. c4 c5 3. d5 e5

It's whether the e pawn goes one square or two.

I suggest (but this is not a comprehensive treatment of the subject):

1 d4 c5 Old Benoni, sometimes called Schmid Benoni (as the young Lothar Schmid played it a lot.)

1 d4 Nf6 2 c4 c5 3 d5 e5 Czech Benoni. A current Wikipedia page on the Benoni calls this the Hromadka Benoni but that is not really correct. Czech theoretician Pachman in his 1960s book "Indian Systems" applied the term Hromadka System to all the 2...c5 lines but said 3...e5 "widely differs from the current variations of the Hromadka System." Bill Hartston's book on 3...e5 uses the term Czech Benoni.

Pachman chiefly considered 1 d4 Nf6 2 c4 c5 3 d5 g6/d6 but also:

1 d4 Nf6 2 c4 c5 3 d5 e6 which became the most popular version: Modern Benoni but Pachman didn't use that term.

1 d4 Nf6 2 c4 c5 3 d5 b5 Benko Gambit (originally called Volga Gambit)

1 d4 Nf6 2 c4 c5 3 d5 Ne4 (the "Vulture", christened by Stefan Buecker)

and there are some minor variants too (Lundin Gambit, Snake Benoni and also some other Buecker inventions)

Posted: **Sun Dec 23, 2018 12:08 am**

Thanks all. My entering into this forum is turning out well.

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