Hi all. We have some extra fun Leela games
to go over from recently so the chess
com computer championship the Blitz
bonanza final five minutes with two
second increments Round 10 - Stockfish
had won the first stage to get to this
final and is now playing against three
neural networks and it's gonna be
pretty tough let's have a look at this
game so Leela ID 41800
so this is one of the very latest
networks
playing against Stockfish. e4 e5 the book given
to them the Four knights as the four
knights come out and now Bishop b5 we
have Nd4 white wants to preserve
that Bishop usually Bishop c4 was played
another alternative is Bishop a4 this
has been seen quite a lot white taking 
on e5 coming back it's thought to be about
even actually but Bishop c4 trying to
keep control over that d5 square Bishop
c5 which is a kind of gambit now and
that's accepted Knight takes e5 if white
plays more modestly with d3 then this
scenario is at least equal for black
this kind of scenario has been seen
actually before black blasting through
dissolving the center a bit black can't
take here because of rook f1 and the backfire
but a move like king e7 Black's fine so
we have Knight takes e5 instead of
d3 Queen e7 Nf3 and  now d5 Bishop
takes d5. Is white being too greedy here?
if Knight takes d5 then Queen takes e4
check this position Black is getting a lot
of pressure after castling queenside and
it's at least equal so Bishop takes d5
Bishop g4 this looks like a very very
nasty pin and the problem of it also
this bishop cannot help on this diagonal
so is Leela in big big trouble here
d3 c6 Bishop b3 
Stockfish looks to be about to pile on the
pressure on f3
this looks pretty grim is this gonna be
a quick loss for Leela? Bishop b3 we have
Ne5 okay guess what Leela plays
in this position if I give you five
seconds starting from now to pause the
video okay it looks as though there
aren't too many options because this
looks so strong
taking on f3 so Knight takes d4 giving
up the queen and now this forcing move
Nf5 so it's going to be Queen for two
pieces potentially and of course a
couple of pawns collected from earlier
Queen f8 Bishop takes c5 this is more
accurate than rook takes d1 because
Bishop takes Knight takes this position
black might be able to cause white
some problems here so that's a very very
complex position as well but Black is
in better shape than in the game
continuation taking here so rook takes
d1 with the immediate threat of d4
forking so black gets out of the way of
that castling wouldn't help there's
still the fork with great effect
so Queen f8 yes this looks like a weird
move to play but where else? There's going
to be a check potentially on d6 as well
so Queen f8 at least looking at d6 so d4
Knight G6 e5 so White's extra two pawns
in the center are already kind of making
themselves being felt and the nice
outpost on d6 with that a5 pawn for
example so it's a very very interesting
Queen sacrifice for two pieces and two
pawns at this stage it looks as though
yeah this is very very promising black
castles Queen side King side for Leela of
course King b8 Ne4 for just
supporting that e5
spearhead Ne7 Nfd6 Nd5 Rde1
stopping the knight fork there and now
pushing that knight back and now
reinforcing that d6 outpost fxe5
dxe5 and we see here with dxe5
actually White has a 4-2 to pawn majority
on the Kings side can this make itself
felt
later? a5 g3 we have after h6
Knight f5 Ned6 - Knights are swapping
positions there. Ne6 and now
this blockading Knight is actually
removed trying to win another pawn.
Is this too greedy? What about white's King? Ngf5 Queen d5 rook f2 and black
takes that c5 pawn but yeah the pawn
majority is now 4 to 1 here in theory
but what about White's King? Rook d1
h5 King g2 h4 g4 keeping lines closed
a4 a3 Queen b6 and now the King gets a
bit adventurous with King f3 fascinating
A move like h3 - it doesn't seem
for example this is that bad it seems as
though black it hasn't got too much to
do in these scenarios in any case. White
still better over
but King f3 Rd7 Rd3
g5 these pawns are starting to be
pushed and they're adding they're
gaining in weight basically in the value
as they get closer to queening
potentially and the Knights yeah they're
having a good time swapping positions a
reinforced outpost on f6 now it looks as
White had got two moves now just g6 and
g7 supported by the knight on the
destination square Queen B5 hits in the
rook Qc4. Now actually Knight d6
was
played. Kg4 for yes this is very
very interesting. h3 nde4. White
could have actually just taken that pawn
it seems as though black hasn't got that
much counterplay here so Nde4 Qc4 Rc2 Qa2. This is
just weird isn't it? Ng3 Re7
Rce2 so it seems as though White
is just ready to push these
pawns now g6 f5 yeah this avalanche of
pawns now blacks trying to do something
over here at seems but so this stops or
discourages c3 and actually
blockades officially with Nc3
and now taking this pawn. These
pawns yeah and that the kings put put
back the knight goes back to e4 now this
pawn comes up the board
yeah blacks just spectating here as
these pawns increase in mobility f6
yes sacrificing that pawn. g7 If Queen g8
it looks as though h6 with f7 in mind
as one example we have Queen
h6 rook f5 rook takes f6 this seems very
desperate to give up an entire rook. If
King b8 then believe it or not
rook d2 is not that ridiculous
here given the two connected passed pawns
on the seventh so for example rook c8
rook d7 big advantage and if black took
here ... yeah this imminent f7 is so
powerful here then it's it's just
crashing through really with advantage
so rook takes f6 rook takes Queen takes
g7 Ref2  threatening rook f7
check King gets out the way h6 and
now rook f8 the Queen's just left by
herself against a rook and two knights
this doesn't look too good anymore
well not that it did earlier that much
and now
yeah this looks like really there's
nothing for black to do but just wait
for this pawn to advance so this pawn
does start advancing and yes - White's
just massive material up in any case
Black's not really doing much here and
the game carries on to the mate in
this particular tournament and let's see
the technique and so yep
scooping up all material and now final
phase - giving up the Knights simplify even
further tablebase win checkmate
- so quite an interesting game there
very interesting game with the Queen
sacrifice this is a line which often
black is getting a lot of play really so
very very interesting to see this idea
that f3 torture can be resolved just
with a Queen sacrifice under certain
circumstances so if you enjoyed this
game video please click on the top left
box which should appear shortly to come
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