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None of the people who found Rd5 analysis could have done it without a computer...
but yes: the combo from start to finish is as follows:
I did it without a computer, and stopped analysing after 5...Rd6 6.d5 ed5. I missed the stronger 6...Qf2+ 7.Kh1 Rxd5, but the fact is that even a player rated around 1200 should have absolutely no trouble winning this, using half a dozen of ways. Where's your beef?
...Rxe3 is pretty obvious, although I do admit I'm not able to calculate much past that. I suspect the IM you showed it to saw the move right away, then spent a bunch of time analyzing it to figure out the lines a few moves deeper.
Anyone can see Rxe3. The point is Rd5. And some people rated 2200 couldn't win the position pfren, the Rd5 move is too far off in the calculations.
Rxe3 is easy to play in a puzzle, but not so easy in a tournament. Seems hard to play this move on principal, you had to calculate to make sure there is a mating attack. I probably woudln't find it in a game.
As for "Rd5 is too far off to see" lol. No it's not. After you see the theme of mate attack, moves like this pop out. I don't think I would have found this in a real game, but as a puzzle it's not beyond me to solve it (although I bet I'd spend many more minutes looking for the win than pfren heh).
As for solving it during a real game, the idea of an attack is clear, the player would just have to be experienced / stubborn enough to find the correct moves (a lot of time on your clock would help too ;)
lol remember this stupid thread anyone? it was the first one I ever posted, and I had just said something stupid to waffllemaster which I've deleted now. lol
Oh, you're a different fianchetto, weird.
Yeah, this combination is a very nice example. I have problems finding attacking ideas in real games, this is a good one for me to be sure to remember.
Fianchetto1967 is NOT me, he is someone else.