C42 Petroff Cochrane Gambit

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Sean Evans
Posts: 1777
Joined: Thu Jun 05, 2008 10:58 pm
Location: Canada

C42 Petroff Cochrane Gambit

Post by Sean Evans »

Who do you think is winning this position and why??

[d] rnbq1b1r/ppp2kpp/3p1n2/8/4P3/8/PPPP1PPP/RNBQKB1R w KQ - 0 5

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nxf7 Kxf7
Vinvin
Posts: 5228
Joined: Thu Mar 09, 2006 9:40 am
Full name: Vincent Lejeune

Re: C42 Petroff Cochrane Gambit

Post by Vinvin »

If you want to see a lot of theory, you can look here : http://www.schach.gmxhome.de/boofreng.htm

I think this line is evaluate as equal now
Cubeman
Posts: 644
Joined: Fri Feb 02, 2007 3:11 am
Location: New Zealand

Re: C42 Petroff Cochrane Gambit

Post by Cubeman »

I think if you give Rybka 3 the white pieces against any other engine you will see Rybka winning.And if Rybka plays black against any other engine then Rybka will win.Topalov played Kramnik a while back and Kramnik was lucky to survive to a draw.
User avatar
Andres Valverde
Posts: 557
Joined: Sun Feb 18, 2007 11:07 pm
Location: Almeria. SPAIN

Re: C42 Petroff Cochrane Gambit

Post by Andres Valverde »

See the article of David Bronstein in "200 open games" about this opening. It's a nice one.
Saludos, Andres
krazyken

Re: C42 Petroff Cochrane Gambit

Post by krazyken »

I play Petroff quite a bit as black and have had this played against me a few times. I haven't studied this line, but I haven't lost to it in a serious game yet. I see the opening has been used a couple times in the CCRL.
Sean Evans
Posts: 1777
Joined: Thu Jun 05, 2008 10:58 pm
Location: Canada

Re: C42 Petroff Cochrane Gambit

Post by Sean Evans »

krazyken wrote:I play Petroff quite a bit as black and have had this played against me a few times. I haven't studied this line, but I haven't lost to it in a serious game yet. I see the opening has been used a couple times in the CCRL.
CCRL :?:

I still like that green monkey Ken :lol:
Spock

Re: C42 Petroff Cochrane Gambit

Post by Spock »

Check here:

http://www.computerchess.org.uk/ccrl/40 ... y_eco.html

and

http://www.computerchess.org.uk/ccrl/40 ... y_eco.html


Shows the spread of openings for our database - and games for each opening are downloadable separately
Sean Evans
Posts: 1777
Joined: Thu Jun 05, 2008 10:58 pm
Location: Canada

Re: C42 Petroff Cochrane Gambit

Post by Sean Evans »

Here is the analysis I come up with for various playable lines:

C42 Petroff Cochrane Gambit

6…g6
1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 4.Nxf7 Kxf7 5.d4 g6 6.Nc3 c6 7.f4 Bg7 8.e5 Re8 9.Bc4+ d5 [9...Be6 10.Bxe6+ Rxe6 11.0–0 Ne8 12.Qg4 Qd7 13.Be3 Kg8 14.Rae1] 10.Bd3 Ng4 11.0–0 Qh4 12.h3 Nh6 13.Qf3 -/+

6…g6
1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 4.Nxf7 Kxf7 5.d4 g6 6.Nc3 Nc6 7.Bc4+ Kg7 [7...Be6? 8.d5 Fork] 8.0–0 Be7 9.Re1 Re8 10.Bf4 Nh5 11.Be3 Bg5 12.Qd2 Bxe3 13.Qxe3 Qh4 14.Bb5 a6 15.Nd5 axb5 16.Nxc7 Bd7 17.c3 Rac8 18.Nxe8+ Rxe8 19.Rad1±

6…g6
1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 4.Nxf7 Kxf7 5.d4 g6 6.Nc3 Be7 7.Bh6 Be6 [7...Bf8 8.Bc4+ Ke8 (8...Be6 9.Bxe6+ Kxe6 10.Bg5 h6 11.Bxf6) 9.Bg5] 8.d5 Bd7 9.Qd4 Bf8 10.Bxf8 Rxf8 11.0–0–0
-/+ .47

6…g6
1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 4.Nxf7 Kxf7 5.d4 g6 6.Nc3 Qe8 7.Bc4+ Be6 8.Bxe6+ Qxe6 9.0–0 Bg7 10.Re1 Re8 11.Bg5-/+ .94

6…g6
1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 4.Nxf7 Kxf7 5.d4 g6 6.Nc3 Kg7 7.Be2 -/+.72

5…Qe7
1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 4.Nxf7 Kxf7 5.d4 Qe7 6.Nc3 Be6 [6...Nxe4 7.Qh5+ g6 8.Qd5+ Kg7 9.Qxe4+-] 7.Qf3 Kg8± .34

5...Nxe4
1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 4.Nxf7 Kxf7 5.d4 Nxe4 6.Qh5+ g6 [6...Ke7 7.Qe2 Kf7 8.Qxe4 Qe7 9.Bc4+ Ke8 10.Nc3 Qxe4+ 11.Nxe4+- 1.37] 7.Qd5+ Kg7 8.Qxe4+- .75

5…Be7
1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 4.Nxf7 Kxf7 5.d4 Be7 6.Bc4+ d5 7.exd5 Bb4+ [7...Bd6 8.0–0 Re8 9.Bg5-/+ -.44] 8.c3 Re8+ 9.Be3 Bd6 10.0–0 -/+.70

5…Nbd7
1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 4.Nxf7 Kxf7 5.d4 Nbd7 6.Bc4+ d5 7.Bxd5+ Nxd5 8.Qh5+ g6 9.Qxd5+ Kg7 10.Qg5 Qe8 [10...Qxg5 11.Bxg5 Kf7 12.Nc3=] 11.Qh6+ Kg8 12.Qe3=

5…c5
1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 4.Nxf7 Kxf7 5.d4 c5 6.dxc5 Qe8 [6...Bg4 7.Be2 Bxe2 8.Qxe2 dxc5 9.e5 Nd5 10.e6+ Ke7 11.0–0=] 7.Nc3 dxc5 8.Bc4+ Be6 9.Nd5 Nxd5 10.Bxd5 -/+ -.70

5…c5
1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 4.Nxf7 Kxf7 5.d4 c5 6.dxc5 Qa5+ 7.Nc3 Qxc5 8.Be3 Qb4 [8...Qc7 9.Be2 -.45; 8...Qa5 9.Bc4+ =] 9.Qd2 -/+ -.60

5...c5
1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 4.Nxf7 Kxf7 5.d4 c5 6.dxc5 Nc6 7.Bc4+ -/+ -.41

5…Qe8
1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 4.Nxf7 Kxf7 5.d4 Qe8 6.Bc4+ Be6 7.Bd3 Nc6 8.Be3 Nb4 9.0–0 c5 10.Nc3 Nxd3 11.Qxd3 c4 12.Qe2 -/+ -.63

5...c6
1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 4.Nxf7 Kxf7 5.d4 c6 6.Nc3

5...Bg5
1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 4.Nxf7 Kxf7 5.d4 Bg5 6.f3 Be6 7.Nc3

5...d5
1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 4.Nxf7 Kxf7 5.d4 d5 6.e5 Ne4 7.Bd3 Nc6 [7...Qh4 8.0–0 Nc6 9.Qf3+ = -.25] 8.c3 =

5…b5
1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 4.Nxf7 Kxf7 5.d4 b5 6.Bxb5 =