Thank you Grandmaster.

ps the last post was for killaroh.. the video was great thx

well actually i might be too tired to work it out.you might have a point... who knows... well its not important anyway.. thats not even the topic, you watch a video and analyse the most unimportant part of the video???????

ps interesting video

kallatroh you must be joking... dont tell me you got nm without knowing why e6 instead of queen  takes a7...

best vid.

At 15:14 why not Qxa7 instead of e6?

At 19:35 I was wondering about 1...Rxd5. If you take with the pawn it can be blocked and if 2.Qxd5 e4 3.Bxe4 Qxc3

excellent video...very instructive.

My Notes from Video:

GM Dejan Bojkov lessons on the preferred R+B vs the inferior R+N
 
Game 1 - Demonstates how the B+R can easily switch from one flank to the other, creating weaknesses and winning vs the inferior R+N.

I like how black:

• uses his R to interfer with white's plans by poking a prodding white's weak pawns.
• could of won the a-P if white played N-a3 attacking black's b5-R, black would respond by attacking the e-P with R-e5 forcing white's a1-R to e1 to protect his e-P, then blacks plays Ra5 attacking both the N and P on the a-file now that whites R is no longer protecting the a-P.
• does not waste time. It's better to do everything with tempo to develop the inititive.
• places almost all of his pawns on the opposite color of it's B, giving black's B more options.
• stops white's Q-side activity which intends to undermine black's protected passed d4-P, by transfering his R to the Q-side starting with Rh6 where the R can use the open 6th rank and transfer to the Q-side. The idea is if white follows through with P-b4 to undermine black's d4-P, black has Ra6 attacking the unprotected a3-P; if white exchanges Ps, black would have the favorable position with a passed pawn on the a-file.
• plays d3 followed by Kd4. I thought black was intending to exchange R's or play Be2 but I can see how Kd4 is definitely much better.

I like how white:

• doesn't plays h4 to protect his h-P from black's h5-R, because black has g5 preparing to sacrifice his pawn and play Rh1+, completely paralyzing whites b1-N and a1-R.
• plans to play on the Q-side by playing P-a3 with the plan to undermine blacks passed pawn with P-b4 and N-b3; it doesn't work, but I think it was worth trying.
• doesn't play Nf3 opting to exchange his N for black's B. White can not make this exchange because black's R would be way more powerful than white's R and white would lose e4-P; not to mention, black's passed d4-P would be the decisive factor.

Game 2 - When there's an imbalance in the position and it's not symetrical, the R+B couple is extremely effective vs R+B couple.

I like how White:

• plans to push his Q-side Ps starting with Rb5. At fist glance, it looks like white is just attacking black's weak d-pawn but it's also the first move to advance the Q-side Ps with a4,b4,a5,Rb6,b5, and a6.
• shuts donw black's R on the K-side with P-f4.

Game 3 - B+R couple can also be effective in the middle game, especially in unbalanced positions with centalized pieces.

I like how White

• plays his e6-B to b3 with the threat of Re6 attacking the N+Q and after Qd8, white mates by exchanging his R for the h6-P followed by Qh6 mate.
• plays g3 attacking the Q and allowing the Q to take the h3-P, then white can play Qe5 trapping the N and also threatening Rxh6 and Re7; and the final threat as played out in the game, if black plays P-a5 trying to save it's N by providing an excape square, black has Re8 and after Rs exchange it's mate, the way that you like it, with Bg8+ Kh8, Bf7+ Kh7, Bg6#

I like how Black

• could have played Re8 (Dejan Bojkov's recommendation) with the idea that after white plays P-f4 black would have Nf7 to exchange his R+N for white's R+B. this still favors white but black would have better chances.
• could have played Nf5 (Dejan Bojkov's recommendation) to keep his N next to his K; the position would still favor white but black would have a fighting chance.

Game 4 - Demostrates how the N needs strongholds if it wants to fight against the B.

I like how White:

• exchanges d-Ps instead of playing d5, clogging up the middle which is not favorable for the side with the B.
• plays Bf5, it doesn't only threaten to intrude on black's castle but more importantly the B also protects the Q to unpin the R so that it can take the e5-P. Also notice that black can't kick the B with g6 without losing its Q, becuase after white exchanges its B for the h+g Ps with check, white has Rd7 eyeing Rf7+ forcing black's K in the front of an x-ray attack on blacks Q.
• plays Rd7 threaten Bh7+ followed by Qd5, teaming up with it's d7-R to double up on the f7-P; black losses its Q if he tries to proect the f7-P by playing its e8-R to e7  because white would have Rd8+, forking the K+Q.
• refrains from taking the hanging a7-P by realizing that black's N could attack his B with Nd6 followed by Nb5 forking the R and c-P. This N maneuver would even the exchange and improves black position.
• plans his K-side attack starting with manevering his B from f5 to d5 where it teams up with its d7-R to attack black's f7-P and now white can advance his K-side Ps as such, e4,e5,f4,f5, to create a passed pawn with e6.

I like how Black:

• tries to equalize by exchanging Rs on d5 with the idea of clogging up the middle if white finishes off the exchange with the very tempting c-Pxd5 to undouble its Ps and create a pass pawn. The position would be equal because black would have Qd6 to prevent the middle from unclogging which deminishes the value of white's B. However, in the game white takes back with his R and not the P, keeping open the a8-h1 diagonal.
• manages to survive white's powerful Bf5 move with Rd8, attacking the white's d7-R. Although white has the tactical Qxe5 threatening mate on the back rank, black is able to find the resourceful Nxc4 attacking the Q and allowing the Q to exchange. This still favors white but black manages to stay in the game with fighting chances.

Game 5 - An example of an opening that acheives the prefered R+B vs the inferior R+N.

• Although white ends up having an extra pawn with excellent pawn structure, black is better because it has the preferred R+B vs the inferior R+N with a position having plenty of open files and diagonals.

Great lecture! I felt it helped me deepen my understanding of this topic considerably!

loved, I'd say that the names of the players,

Marshall-Lasker, Morozevich-Gelfand, Gligoric-Portisch, Botvinnik-Chekhover, Anand-Kramnik

all are worth having heard of, one comes across them frequently when training and studying important chessgames.

Great video I especially like the length of it. If I may but next time can you do a video lecture on how a nite has any chance to compete with a bishop just in case im ever in that position.

If you can, thanks that would be awesome :D

Yes, a very nice video

I also liked your pace and I am sure your next video will be even better. I'm looking forward to watching another one made by you in any case.

thx

And thank you all for the support and positive comments.

@Mammalman You can have a look at the game Stefanova-Mrktchian from the Jermuk Grand Prix this year. The situation was similar as in the game Marshal-Lasker, but with an active rook for the side with the knight, and pawn weaknesses in Ety's camp.

Thank you, Dejan, for a great video.  Your calm, confident and assuring voice and controlled pace and use of visuals really helped me to best understand your teaching and learn a lot from it.  Sometimes, video instructors, do not realize that they are going too fast for many of us to follow and learn as much as possible of what is being taught.  Also, using both modes of instruction, auditory and visual, as you do, plus visuals, greatly increase, I believe, the extent of learning of all of us.  Being a good teacher, as I believe you are, and being a great player of chess at the same time -- is a great combination and gift.

really appreciate that there were so many examples. one other request...could you find ONE counter-example, where a well placed knight with a rook beat an inferior bishop with a rook? surely the bishop+rook aren't better 100% of the time...

  Good examples. Especially liked Lasker's play in the first game. Thank you, Dejan.

Nice, very instructive. Many thanks.

This was an excellant lecture. Invaluable information coupled with several examples to drill all the points home. Thank you GM Bojkov