Where did i blunder?

I really don't know where i when wrong so could strongers players tell me where i made a mistake?

Maybe your manouevers with the knight in moves 14-17 were not a good idea; they only succeeded in removing the light squared bishop, which wasn´t threatening anything; and they gave Black time to take total command of the c file, which he then proceeded to exploit very successfully. The knights, pawns and queen in your centre are very solid at move 14; maybe it would have been better to leave them as they were and to start organizing your own rooks on the c file, rather than sending the knight off on a solo attack.

After 17...Qxd7 it has become too late; the bishop on g7 now controls the whole diagonal and b2 is under attack. Previously the well-supported knight on c3 was blocking both this and the c file, another reason for having left him there until he had one or two rooks behind him.

Mark - 21.Rc1 loses to Bxd4 22.Qxd4 Rxc1+.

yeah after Qa4 i just fell apart. My manuvering with the knights it is true was not the best.

What really stood out to me was all the trading and simplifications in the early phase of the game, not in itself necessarily a bad thing, but when up against someone rated 200 points higher, it gets dangerous, as endgame skill often correlates with playing strength (especially as your opponent was freely going along with, even instigating in some places, all these simplifications, indicating confidence in the resultant positions, and for very good reason, with the two very strong bishops and numerous pawns on both sides of the board).  Even worse, in that simplified position, you then gave up the C file, and once black set up a battery there, things erroded quickly.  I don't believe your defeat was necessarily due to a single bad move, but rather, being strategically outplayed over the long term.

yes gambitknight, but i would say h3 is a bad move.

maybe the engines could hold on but not me

the Nc5?? well at that point i had basically given up.

but thanks all the same. i believe that h3? was a positional mistake(i used the engine too) and it has decided(after 7 hours) that b3 is the way to go.

A better move than 28.Nh1 would have been 28.Rc1 creates tremendous counterplay. With this move you have created at least 2 threats, one of them is a mate.

Not sure why you played Bd3 in the opening anyway. There are several better moves, including Bc4, Be2, Bg5, Be3 and f4. Any of those moves would have made more sense than Bd3, which leaves your d4-Knight as a tactical weakness.

I used to play mostly Bg5 in that position.

blueemu yeah i don't know any theory in the scilian defence, so i just develop Yaroslval it wansn't mate because of the g7 bishop but i agree i would be much better

CP6033 wrote:

blueemu yeah i don't know any theory in the scilian defence, so i just develop Yaroslval it wansn't mate because of the g7 bishop but i agree i would be much better

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What move would you play as Black after White's 28Rc1?

qd7 does the trick, maybe even taking on e4

Please notice that 28...Qd7 is strictly a defensive move.  You, as White, now have the initiative because of one move 28.Rc1.  Now we have to devise a plan to keep the initiative and drive the win home.

I will post more analysis a little later.  Right now I have to go to work.

ok thanks! yes i see that it does get the initiative

CP6033 wrote:

qd7 does the trick, maybe even taking on e4

CP6033 wrote:

ok thanks! yes i see that it does get the initiative

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After 28.Rc1 if 28...Qxe5 then 29.Rc8+ Bf8 30.Qxe5 and Black has lost his Q.

I will post again a little later to write the notation for dealing with 28...Qd7

Ok, White played 28.Rc1 and you posted 28...Qd7 does the trick. White plays 29.Qb3. If it's ok I'm going to post one move at a time that way I don't preempt what you think is Black's best response.

Rd2

Position is fine except, R at f8 is off the board and the pawn at a7 should be on a6.

If you could please repost with the correct position I will post White's move after Black's 29...Rd2