I prefer to call it "the Mouse-Slip variation" as when I saw it for the first time I thought it had to be a mouse-slip. With no right Black can afford to neglect making useful moved on the 3rd move of the game when White has the option to blast the center with d4
Ruy Lopez ( Bulgarian variation)
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Isn't the story that this was an OTB fingerfehler? So very much like a mouse slip. Graham Burgess (1998) 101 Chess Opening Surprises (pg.27) gives some analysis. In a book review (Kaissiber No.7 Jul-Sep 1998 pg.74-75) the reviewer (Buecker?) gives a critical line stemming from Georgi Popow in Fernschach.
I don't have any opinion on the analysis one way or another.
It seems I don't know how to insert a pgn. Let's try again.
[Event "Bulgarian Defense"]
[Site "Fernshach"]
[Date "1998.??.??"]
[Round "?"]
[White "Popov, G"]
[Black "analysis"]
[Result "*"]
[ECO "C60"]
1. e4 e5 2. Nf3 Nc6 3. Bb5 a5 4. O-O Na7 5. Bc4 b5 6. Bxf7+ Kxf7 7. Nxe5+
Ke7 8. Qf3 Qe8 9. d4 d6 10. Bg5+ Nf6 11. Nc4! Kf7 12. Bxf6 gxf6 13. Nxa5 {+=}
*
Okay whatever.
#1
"I found this surprisingly playable against my 1500 opponent and even won the game."
++ You can play anything against a 1500 opponent and still win. Engines can play anything against grandmasters and still win.
"Anyone have any opinions on this opening ?" ++ It is objectively bad, but you can play it.
"Is it flawed ?" ++ Yes, Against a strong opponent you basically give away a tempo.
"I found surprisingly little info on it on the net or you tube." ++ That is no surprise.
pawnstar76 wrote:
I found surprisingly little info on it on the net or you tube.
Greetings and stupifications.
You are probably right but try the pdf download sites, they are a good resource.
SOS Volume 9 page 113 has a packed 9 page article on the variation in question.
Playing as black against the Ruy Lopez my finger slipped and instead of playing P-a6 after N-b5 as intended I accidentally played a5. (apparently the Bulgarian variation) I found this surprisingly playable against my 1500 opponent and even won the game. Anyone have any opinions on this opening ? Is it flawed ? I found surprisingly little info on it on the net or you tube.