Is It Named Opening Trap or Just A Blunder

mini_VAN

Dear friends

I won a quick game (8 moves) and wondered if it is a typical trap or just a blunder by my opponent. And,  where exactly is the blunder move? Is it 4...Nf6 or 5...Nh5?

Thanks

mickynj

The move onder is a little unusual, but the mating pattern: Bxf7+ and Nd5# is called Legal's mate after the Sire de Legal (1702-172), one of the strongest players in France in his day. In it's original form, the trap includes a queen sacrifice

Rat1960

Technically it is C41 Philidor's defence ( 2. ... d6)
3. ... Nc6 was suspicious, 4. ... Nf6? should have been ... Be7  5. ... Nh5?? had to be ... d5 since the game is now a Two Knights variant.
Your notes are right. I am rather more impressed with your play: three soft black moves and it is mate in three.
Pretty cool.  

Rat1960

@mickynj - like Legal's surely. The game mate has the queen involved rather than 3 minor pieces.

mini_VAN

To be honest I was lucky because I was planning to have a Knight fork so I expected a Queen move on the fifth. However, he played an unexpected Knight move so I double check the board ( it was a 30min game) and realized I could mate in 3.

denkich

Nh5-Blunder

pfren
Rat1960 έγραψε:

Technically it is C41 Philidor's defence ( 2. ... d6)
3. ... Nc6 was suspicious, 4. ... Nf6? should have been ... Be7  5. ... Nh5?? had to be ... d5 since the game is now a Two Knights variant.
Your notes are right. I am rather more impressed with your play: three soft black moves and it is mate in three.
Pretty cool.  

Not really a "two knights variant": White is a whole juicy tempo up (knight at c3) since the pawn took two moves to go to d5..

Black has to play 5...d5, when after 6.exd5 he is a pawn down for nothing.

4...Nf6? is a bad mistake.