(;FF[4]
CA[UTF-8]
GM[1]
GN[Becoming SDK - Lesson 1]
PC[https://online-go.com/review/54051]
PB[Black]
PW[White]
BR[1d]
WR[1d]
OT[Error: time control missing]
RE[?]
SZ[19]
KM[6.5]
RU[Japanese]
LB[qc:B]LB[pd:A]LB[qd:C]LB[pe:D]LB[qe:E]C[

-- chat --
animeboy225: Hi
animeboy225: is this audio 
animeboy225: ???
mark5000: Hi everyone. I'll start in a couple minutes
animeboy225: ????
mark5000: This one will be text, because it's not advertised before now
flowing: at the moment there is nothing, so keep calm ;)
animeboy225: Ok
flowing: hi mark
terr: hi
Randoman100: Awesome because I like text
terr: me too
mlopezviedma: awesome, that way we can review it later :)
Randoman100: If this was audo I wouldn't bother haha.
animeboy225: Yay
Laon: hey anime
animeboy225: Yo
Laon: hey hey mlopez
animeboy225: Your awesome mark
mlopezviedma: hey Laon !
Fairgo: Teach us mark :<
Randoman100: Don't stress him xD
animeboy225: Is D uncommon?
flowing: rather
animeboy225: And A?
mark5000: A bit uncommon, but they're all normal
animeboy225: Oka
noowner: you never play A
noowner: A is the loosing move
animeboy225: okay 
Randoman100: Ahhh so P16 is not an option ?
Randoman100: Mlopez that is in Japan
Randoman100: I don't live in Japan
mlopezviedma: I ment this triangle. From move 0: 
mark5000: This is the joseki lesson for today
mark5000: Thanks you for watching this far!
animeboy225: Thanks a lot 
mark5000: "thanks" hahaha
KoBa: great lecture mark5000, lots  of good points
noowner: for further studies theres http://eidogo.com/#kjd too
mark5000: To make a good opening, it is important to know the purpose of each move in the corner
mark5000: It is important to make a plan and to play moves that fit your plan for the game
mark5000: 4-4 and 3-4 moves are the most popular with professional players
mark5000: Personally, I like q15 too
mark5000: They are all purposeful moves
animeboy225: Honinbo Shusaku!!!
mark5000: I may give an opening lesson on another day, but this one is a short lecture
animeboy225: Do this every Wednesday 
animeboy225: please
mark5000: Any last questions?
animeboy225: Do this every Wednesday 
animeboy225: please
mark5000: Thanks for the encouragement animeboy225 
animeboy225: do it please 
animeboy225: if you leave it here then it would suck :(
mark5000: Feel free to review the materials here later too.
DaChinese: d1. From move 0: 
DaChinese: d2. From move 0: 
tangjm: hello
pragtich: d1. From move 0: 
ImprobableBlob: d1. From move 0: 
nikolap64: H
nikolap64: Hi,m now here 
Axyro: hi
leonasoaso6: d1. From move 0: 
dont.wanna.tell: d1. From move 0: 
dont.wanna.tell: d2. From move 0: 
qianyilong: d1. From move 0: 
d.dylan.g: d1. From move 0: 
KayoHinazuki: wut
KayoHinazuki: who said that
pokemonsta433: d1. From move 0: 
jaredred: hello
iraklis: d1. From move 0: 
unjax: d1. From move 0: 
thusfiat: Variation: d1
yoonglin96: hi. From move 0: 
tsmcdona: 5. From move 0: 
tsmcdona: 6. From move 0: 
tsmcdona: 7. From move 0: 
dserra: 8. From move 0: 
chaneira: 10. From move 0: 
Czär: 11. From move 0: 
ernshack: hi
Sf0rce: halo
Jens77: 15. From move 0: 
Jens77: 16. From move 0: 
Jens77: 17. From move 0: 
Iceowl: Howdy!
shiranu: 4. From move 0: 
piupiu: Hi
Oliver Codesine.: hi
Oliver Codesine.: :D
chungminglap: yo
alexthelegend: hi
tlap: 7. From move 0: 
Lorio: 9. From move 0: 
nikospg: what is 2d?
MiKeSniper: Good
bluebook: hi
kain69: 11. From move 0: 
Noyan: 12. From move 0: 
UnNeutral: 0w0
k.kostadinova24: 1. From move 0: 
k.kostadinova24: 1. From move 0: 
rainer.petzelt1: 13. From move 0: 
kanvor: 15. From move 0: 
mlk97: 16. From move 0: 
mlk97: 17. From move 0: 
Dipare: A. From move 0: 
Dipare: A. From move 0: 
JimMcCue: c. From move 0: 
trollo47: 20. From move 0: 
]
(;B[pd]C[The 4-4 point is on the fourth line. It focuses more on influence than territory.

-- chat --
Randoman100: I thought if it adjacent to the point it is valid
flowing: P16 is equal to Q15
flowing: symmetry
animeboy225: Ok
Randoman100: Yeah, then why isn't it marked ?
Lorio: 8. From move 0: Q16 
]
(;W[qc]LB[pc:B]LB[qd:A]C[What if White invades? Then Black should block on one side or the other.

-- chat --
flowing: because it's the same point
noowner: because of symmetry
animeboy225: R16
Randoman100: Ahhh ok, thought so but had doubt
noowner: or do you want the lecture to be repeated for every corner too?
mark5000: Yes, the board will dictate where you go
Laon: random going downward is bigger so black choose tht direction
mark5000: If black has stones around here,
mark5000: Black will block that way
KoBa: usually you block on "wider" side
mark5000: This is true
animeboy225: I would play b
]
;B[qd]C[This starts a joseki. This is the most basic joseki when White invades at 3-3. If you don't know this joseki yet, I recommend that you learn it now. 

-- chat --
RobNinSnowpuma: 13. From move 0: Q16 R17 R16 
Trapo50: 23. From move 0: Q16 R17 R16 
]
;W[pc]
;B[od]
;W[nb]LB[pj:A]C[The moves up to here complete the joseki. Even though Black played first in the corner, White got territory on the inside. Is it bad for Black then? No it isn't. In exchange for the territory in the corner, Black gained influence on the outside.

Now you need to understand the concept of influence. Territory is like cash, whereas influence is more of an investment. The value of the influence all depends on how Black manages it in the future.

Here, Black can expand the framework at the right. If a fight breaks out, this influence will become effective. Black also has sente (sen-tay)—the freedom to play anywhere next. So extending to A can be a good choice in some cases. The box-like structure that results may become territory later. But for now it's only an investment.

-- chat --
ECD0C: Hi
lijahide196: This is the best teaching reference collection ive ever seen. You could get this published my friend!! Thanks a million
PJKZ: 14. From move 0: Q16 R17 R16 Q17 P16 O18 
]
)(;W[qf]LB[qd:A]LB[rd:B]C[When Black plays a 4-4 point, White's approach with the knight's move is the expected response. It threatens to encroach into Black's corner by attaching at A or sliding at B. It's a powerful move.]
;AW[nc]C[If White can approach both sides at once, Black's corner weakens even more. If you can get this position in one of your games, it's usually a good idea to take it.

-- chat --
WaltWhitman: 21. From move 0: Q16 R14 O17 
]
)(;W[dd]
;B[pp]
;W[dp]
;B[jj]
;W[oe]
;B[ee]
;W[ed]
;B[od]
;W[pe]
;B[eo]
;W[fe]
;B[de]
;W[dj]
;B[fd]
;W[ge]
;B[do]
;W[ep]
;B[ff]
;W[gf]
;B[di]
;W[ej]C[

-- chat --
dviener: Hello
]
)(;W[dp]
;B[dd]C[

-- chat --
Lorio: 10. From move 0: Q16 D4 D16 
]
))(;B[qc]C[Unlike the 4-4 point, the 3-3 point is territory-oriented.

-- chat --
noowner: http://senseis.xmp.net/?IfItHasANameKnowIt
Dipare: 18. From move 0: R17 
adivenete: 22. From move 0: R17 
]
;W[pd]LB[pc:B]LB[qd:A]C[If White plays here, Black can push on either side.

-- chat --
Randoman100: Not true because I know it is diamond shape, got that from Sensei's Library
]
;B[qd]
;W[pe]C[

-- chat --
animeboy225: Which is better?
]
;B[ob]C[This is the most basic joseki. ]
;W[qe]C[Up to here it's a simple joseki. Black successfully secured the corner as planned and also the upper side area. Black, however, gave White control of the center and the right side area. Is it a bad result for Black then? No, Black took the corner as planned, so it's okay.

If you love territory the 3-3 point is a good option for you. We still have 3-4, 5-4, and 3-5 points to consider. They follow similar principles.

-- chat --
taras.m.k: 19. From move 0: R17 Q16 R16 Q15 P18 R15 
]
)(;B[qd]C[What are the merits of the 3-4 point?

-- chat --
linhnv01836: 9. From move 0: R16 
RobNinSnowpuma: 12. From move 0: R16 
]
(;AB[oc]C[If Black encloses like this, Black can secure the corner with just two moves. This position is called an "enclosure." What would a 4-4 point enclosure look like?

-- chat --
Randoman100: It combines both territory and influence ?
noowner: yes
noowner: normally you wanna avoid first and second line in the opening
]
(;W[ha]C[

-- chat --
animeboy225: Ok
]
)(;AE[oc]
;AE[qd]C[

-- chat --
KayoHinazuki: lol
KayoHinazuki: i want to get better but i suck
thijs.arbeek: Hi Mark! I think I messed up something in the tree (deleted a stone) and then hit sync accidentally. Does that mess it up in the main tree? Sorry if so!
]
(;AB[pd]
;AB[nc]C[Unlike with the 3-4 point enclosure, the corner isn't completely secure in this case. ]
;W[re]TR[qc]C[White can submarine into the corner later, like this. And the 3-3 point is still open too. Because of that, it's hard to say that the corner is complete.]
)(;AB[qc]
;AB[od]C[From the 3-3 point, this knight's move forms an enclosure, too. How about this?]
;W[mc]C[This approach is a bit irritating for Black. Compared to the 3-4 point enclosure, this one is certainly less secure.

-- chat --
Serg_361: 6. From move 0: R16 P17 P17 R16 R17 P16 N17 
]
)))(;W[pc]
;B[qc]
;W[pd]
;B[qe]
;W[pe]
;B[qg]
;W[pf]
;B[qf]
;W[ld]C[

-- chat --
kartikaya: hi hi
]
)(;W[od]C[After White approaches a 3-4 point, both sides need to fight for the space on the upper side.]
;B[oc]C[Attaching here is the simplest response to White's approach. Black will take territory in the corner, and White will get strong on the upper side.]
;W[nc]
;B[pc]
;W[nd]
;B[qf]
;W[jd]C[This is a simple joseki for the 3-4 point.

-- chat --
thoral: jos3-4. From move 0: R16 P16 P17 O17 Q17 O16 R14 K16 
]
))(;B[pe]LB[pc:A]LB[qc:B]C[This move is similar to the 3-4 point josekis. It aims for influence instead of territory. White may invade at A or B.]
)(;B[qe]C[This 3-5 point is one point outwards from the 3-4 point. It is the most aggressive of the popular opening moves, but it doesn't secure very much of the corner.

-- chat --
KoBa: 3-5 <3
KoBa: my favorite
Ornable: stones are harder to die than that
Ornable: it's definitely alive
Ornable: i'm not saying it's a good result for black but it can still definitely live
Ornable: funny batts just started a weekly thing on wednesdays
AnHe: nice explanations
]
;W[pc]C[It's common for White to take the enclosure point, because Black wants it to seal the corner.

-- chat --
Randoman100: Well thanks a lot mate
Randoman100: Never heard of that before
Randoman100: So 3-4 is the best ?
Randoman100: THe board being empty
Randoman100: Ok good to know.
Randoman100: xD
]
)(;B[ea]C[

-- chat --
animeboy225: So sente?
]
)(;B[ba]C[

-- chat --
animeboy225: Ok
animeboy225: Ok
]
)(;B[jj]
;W[pp]
;B[jd]C[

-- chat --
jubba: hi
]
;W[pd]
;B[jp]
;W[dp]
;B[ig]
;W[dd]
;B[km]C[

-- chat --
noowner: this is cool too : D. From move 0: K10 Q4 K16 Q16 K4 D4 J13 D16 L7 
]
)(;B[dd]
(;W[cf]
;B[ss]
;W[fc]C[

-- chat --
Randoman100: What about this ?. From move 0: D16 C14 T1 F17 
Randoman100: Black to play, is D16 gone ?
Randoman100: Or can it survive ?
noowner: E15
noowner: or c17 i think
Randoman100: In my mind I think it is gone
Randoman100: xD
noowner: but be careful to not get sealed in
Randoman100: It looks so surrounded
noowner: yes it is
noowner: but the corner is still open
]
)(;W[is]
;B[ng]
;W[ik]
;B[hd]
;W[ak]
;B[jf]
;W[as]
;B[oi]
;W[eo]
;B[qg]C[

-- chat --
Randoman100: Would be nice with a shape lesson
Randoman100: I missed one that passed here.
]
)))