(;GM[1]FF[4]CA[UTF-8]AP[CGoban:3]ST[2]
RU[Japanese]SZ[19]KM[6.50]TM[900]OT[5x30 byo-yomi]
PW[bayi]PB[shygost]DT[2013-06-17]PC[The KGS Go Server at http://www.gokgs.com/]C[bayi is a bot.

The purpose of this example game is not to show the best moves, but rather to show basic thinking for finding consistantly good moves.
]RE[W+Resign]
;B[qp]BL[896.354]
;W[dp]WL[899.051]
;B[pd]BL[892.907]
;W[dd]WL[898.037]LB[fc:A][fq:B][oq:C]C[A, B and C are all fine, but C is the basic idea, taking the corner.

The left is also playable, but it plays in the enemy's area, making things difficult, without need.
]
;B[oq]BL[890.423]LB[nc:B][jd:C][pd:A][dj:D]TR[qp][oq]C[Black's shimari (marked) is facing the right, and likes growing there.

Black also has the 4/4 stone, and we know that 4/4 stones are terrible for points, but good for extending along the side.

All the black stones like the right, making it the biggest area on the board.


B, C and D are all playable because they are huge moves. We would call them stylistic.
]
;W[qj]WL[897.459]LB[dd:A][qh:D][ql:C][dp:B]C[Now the left is biggest, because white's A & B stones both like to extend there.

C was considered best for many years, but now is thought to be a bit small.

D is playable if black wants to switch this game to the top.
]
;B[cf]BL[885.217]LB[cf:A][cj:B][cn:C]C[Black A, B & C are all fine places to play.

B is the most basic, because it treats the white stones like they are equal (which they are).

Black plays A just to be a little different.
]
;W[fc]WL[895.604]LB[cf:A]C[Time for the A stone to get healthy.

As usual, we step into the corner first, then the side.
]
;B[bd]BL[882.828]LB[cc:B][bd:A]C[Notice that black A is a big step, with a big next step to B.
]
;W[cc]WL[894.469]LB[bc:A]C[Now black A is a small step, with a small step next. So it is not big enough to play.
]
;B[ci]BL[881.171]C[black settles nicely.

Notice that black and white have both "closed their skirt".
]
;W[pf]WL[893.948]LB[pd:A]TR[ka][lb][mc][nd][oe][pf]C[White can draw a line around us, so we can be "pressed" or surrounded easily.
So, black wants to get out.
]
;B[nd]BL[876.261]LB[nc:A]C["A" rightfully closes the skirt and is the basic move.

This Black  4th line move is played just to make things a bit more interesting.
But it can be considered a bad move, because it has no real purpose.

]
;W[qd]WL[893.397]LB[qc:B][qe:A]C[Next, black A would be fighting, and B would be for health.

Since there are more white stones in this area, black should not fight.
Also, corners are big and good for health. So we want the corner anyway.
]
;B[qc]BL[874.315]
;W[qe]WL[891.649]LB[pc:A][rc:B]C[Black's shape is not finished, because he has the cut at A (White cannot actually cut there, but it is weak anyway).

Black has a few ways to help the cut.
Black can fix with A, or strengthen it with B.
B is plenty of defense, and it also gives black the monkey jump into white's area (8 or 9 points), and it takes corner points (maybe 6).

So B is best.
]
;B[rc]BL[872.988]LB[sf:A]C[The monkey jump to A will be much later in the game.
]
;W[lc]WL[891.161]LB[nd:A][me:C][of:B][pf:D]TR[pa][qa][ra][sa][pb][qb][rb][sb][pc]C[Black left this skirt open, and white tries to punish right away.

But notice, that even if white comes under, black will have a good amount of space under his control (the marked area). \\
 This looks like enough space for 2 eyes.
 
But this shows that black might be forced to live in a small area, making A a questionable move.


Also, black cannot get surrounded in 1 move. If White D was at B, THEN white C would touch the white stones with knights moves.
So white can ALMOST surround, but not quite. Plus we are basically alive already. So black is fine.

So black must find his next move.
This diagram has a lot of markings on it already, so let's go to a variation to see where next for black.
]
(;B[ql]BL[857.432]LB[qh:A]C[Now black can invade at A easily.

It's important to know, that if black invades at A, white's health will not be at risk. 
The only benifit for black, is that the points that were supposed to be white's, become black points.

So white can play away if he wants.
Let's look at the variation for the invasion.
]
(;W[ic]WL[889.298]LB[qh:A][jp:B][fq:C]C[Now we think again where black should play.

We know that A is big, but we are still in the opening, and there are large side areas available.
Invading at A is a middle game move. If the opening moves look small, then we can play A.

Earlier, we said that the bottom was not very interesting. But it has increased in value.

The bottom can now be a "double wing" for black, which is a well  known and large shape.

The double wing move, would be at B.

Black can also just play C (which is more of a corner move, while B is a side move, and we know that corners tend to be bigger than sides).

So, B and C both look bigger than A.
]
;B[fq]BL[843.27]
;W[cn]WL[888.312]LB[jp:B][fq:A]C[Now black can get A AND B, which is even better than just B.

]
;B[jp]BL[839.903]LB[qn:3][jp:B][fq:A][hq:1][lq:2]C[It's important to realize that areas 1, 2 & 3 are not black's points yet. Any of them can be invaded.
But white cannot invade ALL of them, which means that black will get some good points around here.

Notice that A & B are too far apart to be considered a safe group. But black is only trying to make a sketch in the area, not a real group.
And the A stone cannot get into trouble because the corner is open.]
;W[eq]WL[887.069]LB[jp:B][fq:A]C[It used to be, that black A & B were too far apart, and invadable.
But white is forcing us to fix our gap.
In Go we call this a "Thank you move".

]
;B[fp]BL[837.742]
;W[ok]WL[886.227]LB[nd:C][qh:A][om:B]C[This white move does 3 good things.
1. white defends against the A invasion 
       (more white stones here, makes it
         harder for black to come in).
2. white gets ready to come into our moyo area
       with a move around B.
3.  Black's C gruop is now clearly behind enemy
       lines.

What should black do?
If C group is weak, defend! But as we said
    before, C is not very weak, and almost alive.
Don't invade at A, because white just defended
    it.

So, stop white from coming into our moyo.

]
;B[ol]BL[833.774]LB[om:A]C[Here or A are the same idea.

]
;W[nl]WL[885.484]C[Black can start a fight here. But why?
Black is getting very nice points. Isn't this why we made these moves?
So, let's just take the points!
]
;B[om]BL[831.785]
;W[mn]WL[884.553]C[Black has taken the points on the right, and black made a strong shape there.

What did white do?
White was weak, and he has made more weakness!

Weak with more weakness? Time to attack.

See variation for 1 more reason to attack.
]
(;B[pk]BL[825.624]C[Black had many places to start cutting, but this seems most basic.
]
;W[ck]WL[883.622]LB[ci:A][oj:B][pj:C][pk:D]C[White approaches our A group.
If black has become weak, then we must defend.
But black's group is fine. 
See the variation.

So where for black?
Black played D, threatening 2 moves; B & C.

Black B forces white to fix the cut. In other words we are forcing white to get stronger! This is not good.

Black C splits white apart and threatens to kill a stone.

So, C it is.
]
(;B[pj]BL[820.811]LB[qc:B][qe:D][ci:C][nl:A]C[Now, all 3 A stones are in trouble, and white's right side is weak.

Overall view:
  black's B group is slightly weak
  black's C gruop is slightly weak.
  White's D group is very weak.
  White's A stones are very weak.

  black has more potiential area than white.

  Black is clearly ahead.
]
;W[mq]WL[882.051]LB[jp:B][oq:A]TR[mo][mp]C[We must figure out what this move does, and respond if necessary.

Is white threatening the A stones?
  no, the skirt is closed, and the group is
         strong.
Is white threatening the B stones?
  yes! B is an open skirt, and white is near
      to come under.
White is weak for sure, but black cannot attack until his B group is strong.

Conclusion:
  Close the B skirt, while getting ready to split the marked gap.
]
;B[kq]BL[811.599]LB[jq:A][jr:B]C[A & B also close the skirt, but they are not close to white's gap.
]
;W[bc]WL[880.873]LB[be:A][ef:B][ei:C]C[White has removed our corner health, making our group weaker.

Time to defend.
3 moves come to mind for defense.
1.  A keeps an eye and saves the 1 black stone.
      (this is a living type move, but the proverb tells us to "run before living").

2.  run out to B.
     (B plays near the top area, where white is  strong. There is nothing to do in that area)

3. run out at C (C plays in the open space, with  no white stones around. Very hard to attack  black with no white stones around.

C wins.
]
;B[ei]BL[800.356]
;W[er]WL[879.596]LB[qe:D][fn:B][jn:A][mn:C][hq:1]C[White takes the whole corner. Without this move, the corner was unsure for white.

White threatens to remove our points.
Of course, we like our points, but weak groups are more important than points.

Did white attack our group? 
To hurt our group, white would have to come into area 1, to remove the eyes.
Surround us with A
Surround us with B.

If white does all 3 of these things, we will still live, but we will be unhealthy for sure.
(see variation)
But at this moment, white does not have any of these 3 moves in, so we are actually not weak at all.

If nothing to defend, then we look to see if there is anything to attack.

White has 4 C stones. Each is weak, but white is not commited to any of them. If we attack one, white will just give it up. 

White's D group is a group that he cannot give part of it away. So we can attack it, and it is difficult for white to toss it away.
 To attack D, we want to remove one of its running directions. 
D can run to the side or center.
Side comes first.
]
(;B[qh]BL[785.76]LB[nd:C][pf:D][qi:A][qj:B]C[Notice, that if black was weak, then we would be playing at A to really take care of the B stone.
But black has no weakness here.

Notice also, that we are attacking D, and the weaker D is, the stronger our C group is, which means we are helping the C group.

We have been wanting to help our C group for a while. It has not be urgent in the least, but it would be nice.

]
;W[nf]WL[877.378]LB[lc:A]C[Now black is about to be surrounded.
 There are a few ways out.
One proverb tells us to "contact the strong stone".
White's stones on top are very strong.]
;B[ld]BL[783.859]LB[lc:A][nf:B]C[We can also call this a "leaning attack".
We attack the A stone, in order to get a better attack on his B group.
]
;W[no]WL[875.279]LB[kc:D][lc:B][mc:C][ld:A][nf:E]C[White fixes his gap.
Did he attack us?  No. Black has no groups in danger here.
Is white threatening to remove some of our points? Yes, but points are the smallest thing on the list.. So we ignore this.

White ignored our A move. So we will punish him (like the proverb tells us).
Our most direct threat to white, was the B stone. So we will punish it. We will hane at C or D.

C is for points, which is nice.
D is for reduceing the top (nice to do)
D is for outside moves, which helps us with our attack on E. This is the main idea.

D wins.
]
;B[kc]BL[762.064]
;W[mc]WL[873.314]LB[md:A]C[A is the main weakness, so we fix there]
;B[md]BL[760.187]
;W[kb]WL[871.644]LB[kd:A]C[fixing at A is sente to cut white apart, and it helps on the outside.
]
;B[kd]BL[758.25]
;W[jc]WL[869.897]LB[nc:A][nf:B]C[Remember that black could have taken all the points on top. But making white's B group weaker is bigger than the points.

Now black has 2 choices.
1. A for taking the points, and for closing the skirt.  But if we wanted that, we would have played that to begin with.
2. attack the B group.

Attacking the B group is the only way to go.
]
;B[nc]BL[753.391]LB[nf:A]C[??
Why is black playing this way?
We often miss obvious moves during a game. That is my excuse.

Black's move is not best, but it has good value. We might say that black's move has 75% value. 

Almost all moves have value. Our job is to keep our eyes on the main goal.]
;W[qi]WL[868.625]
;B[pi]BL[748.397]
;W[qg]WL[867.03]LB[ph:C][rh:A][qi:B]C[Black will play A if it kills the B stones.
Black will C if A does not work.

So black must do some reading.
]
;B[rh]BL[739.221]C[Did you read it out?
]
;W[rg]WL[865.485]LB[ph:A]C[now, white A kills black.
]
;B[ph]BL[733.556]
;W[og]WL[862.502]LB[pf:A][nl:B]C[Black continues to attack the A group.

Remember, white is very weak around B, so it's not so important to stop white from running that way.

]
;B[lg]BL[724.34]LB[lh:A]C[black might also have played at A.]
;W[po]WL[861.446]LB[qo:A]C[Is white threatening a group?
No, but his next move is big in sente.
]
;B[qo]BL[717.593]
;W[hs]WL[860.217]LB[fn:A][jn:B]TR[hq][gr][ir]C[Black's area is being threatened.
Black's area is one of his options for health.
Any of the triangled spots are good to maintain health and keep a few points.

Running out around A or B also maintain health, and hurting white is bigger than points, or rather is the way we like to get points.

Running around B gets out to health, and bothers white.
]
;B[kn]BL[700.985]LB[kq:A]C[The A stone allows black to make a kights move, and not worry about the cut.
]
;W[ll]WL[859.15]LB[kn:A][mn:B]C[Black's A group is again put behind enemy lines.

So black wants to defend A, and attack B.
]
;B[jl]BL[695.465]
;W[mi]WL[857.774]LB[og:B][mi:A]C[Black wants to separate the A group and the B group.

Black is not concered about any cuts of his own, because white is the weak one, not black.
]
;B[nh]BL[688.929]C[Now white has 2 groups that are very weak.
]
;W[lf]WL[854.966]
;B[kf]BL[684.366]
;W[nk]WL[852.082]LB[jl:A][nl:B]TR[ke][kg][mg][oh]C[White's B group is looking more healthy, and more ready to hurt all the triangled cutting spots.

So black will defend some cuts here.
There are many ways to do this.

Black wants to defend his cuts, and do what he can to get over to A, surrounding white.

]
;B[kh]BL[670.949]LB[ki:A]C[Black had a main goal of defense and a secondary goal of attack.
If black's main goal was attack, with a secondary goal of defense, then A would be better.

This shows the importance of always knowing what your main goal is.
Then try to think of a second purpose, and then maybe a third or even more.
]
;W[kj]WL[849.313]C[surround white.
]
;B[jj]BL[668.166]
;W[pp]WL[847.294]
;B[pq]BL[666.09]
;W[en]WL[845.109]LB[jn:B][fp:A]C[white is getting ready to hurt our A stones, and getting ready to hurt our cuts around B.
]
;B[hp]BL[646.062]LB[jm:B][fp:A]C[This connects to A, and puts more stones around the B cuts.
]
;W[mb]WL[843.796]LB[kd:A][ke:B]C[White cannot cut at B, so black's A group is not in danger.

It's time to go after one of white's weak groups.
]
;B[nb]BL[643.209]C[Black makes his second mistake.
This is not an important move.
]
;W[ef]WL[842.171]LB[ci:A][jj:B]C[White suggests that the A group is weak.
We might agree that it is far from home, and does not have 2 eyes.

So we defend.
We want to make sure that A can get over to B.
We can use the "contact the strong stone" rule again!
]
;B[dk]BL[637.449]C[white is very strong on this side.
]
;W[dl]WL[840.746]
;B[ek]BL[635.321]LB[cj:A][bk:B]C[now black is thick to the center, and can get home easily.

Moves like A or B would be trying to live. But we want to "run before living".
]
;W[hf]WL[839.794]LB[kj:A]TR[li][nj][kk][lm][nm][oo][np]C[Did white threaten us? no
So we can get back to threatening to kill.

Each triangle is a weak white connection.

Is one of these near a black weakness?
yes! 
White's A stone is touching 2 of black's weak spots. This is a great place to fix black and hurt white's eyes.

This is another example of having a main goal, and then a second goal.
]
;B[kk]BL[614.919]TR[ji][jk][km]
;W[lk]WL[837.011]LB[kj:A]C[The A stone is still touching one of black's weak spots. ]
;B[lj]BL[608.204]
;W[mj]WL[834.127]
;B[ki]BL[606.086]TR[jh][ii][ji][gj][hj][ij][hk][ik][jk]C[Is white dead?
We don't really know, or care.
Rather, we are threatening to kill, and as we do, we are taking profit (at least the triangle points should be blacks now, and more to come).
]
;W[mh]WL[830.375]
;B[mg]BL[604.259]
;W[be]WL[827.455]LB[ek:A][el:B]C[Did white threaten our group?
Our group is the A group, and we already made sure it was thick and out.
So white did not threaten us.

However white hurt our eyespace, so white B might make us feel the need to respond, making sure we are connected out.

There is no real fear here, but black B is a great move, and it bothers us a little if white plays it, so now is a good time to continue the center.

Black is ahead. 
If black was not ahead, then he would probably not be playing such a casual move.


]
;B[el]BL[585.864]LB[be:B][jj:A][el:C]C[Again, we just got our A wall in place, white threatened our eyes with B, so playing C in sente (maybe double sente) makes sense.

]
;W[dm]WL[824.699]LB[oh:E][ni:D][ml:C][mo:A][mr:B]C[Black is certainly done here and feels no need for more defense.

Back to threatening to kill.

There seems to be 3 places white has eye potiential, A, B & C.

Are any of these near a black weakness?
Yes.
White D threatens to escape with the attari of E.

So blacks weakness here can give white life.]
;B[ni]BL[506.014]LB[mk:A]C[we are about to remove the eye at A.
Not that we will do it next move, but it is a plus to look forward to.
]
;W[op]WL[820.027]LB[mq:A]C[We are starting to think white will live, but if we capture the A stone, that would be big.

So we can threaten the eyes around A while threatening to take A.
]
;B[nq]BL[502.409]C[Notice that black is not thinking about defense anymore in the fight.
That was his first thought, but he is strong now, and can think more about profit.
]
;W[on]WL[816.789]LB[nm:B][mp:A]C[We can take at A, but B hurts whites eyes a lot, and threatens to cut white apart.
So we play B in sente first.

Notice that B keeps an eye on the whole group, while A looks only at the tail.
]
;B[nm]BL[482.57]
;W[lp]WL[813.551]LB[mm:A]C[??
white let's us cut him in half??

Black can play A and be completely satisfied.

I saw a way to continue attacking the whole group in sente. But there is no need for this "extra" move.
]
;B[np]BL[475.58]LB[oo:B][lp:A]C[this threatens the A stones, and removes the eye at B.
]
;W[fm]WL[810.606]LB[mm:A]C[White allows me to kill the whole thing with A.

There is a chance that white is already dead, 
but I want to be sure. 
Also, if white is dead, then white cannot win. So making sure of the kill makes sense.

]
;B[mm]BL[460.606]
;W[bf]WL[806.088]LB[bf:C][ek:A][fm:B]C[White plays B & C, both of which bother my A group.
This is a good time to make sure I am healthy.
Black has lost his base on the side, so that is a good place to start.
]
;B[cj]BL[456.101]C[This makes 1 eye for sure, and now black can get a second eye on the side, or run out.

Black could have probably ignored and been ok, but there was no reason to risk things.

White resigns.

])
(;B[]C[If black does nothing.
]
;W[jn]C[white removes 1 running direction.
black passes again.
]
;B[]
;W[fn]C[white removes another running direction.
black passes again.
]
;B[]
;W[hq]C[white comes into the area, removing any eyes.
now black goes for life.
]
;B[mr]LB[fn:4][jn:3][fp:A][hq:2][er:1]C[black connects under (continue variation to see how).

White will catch the A stones IF he plays again, but this means that white played 4 moves for about 10 points. Very small.

]
;W[nr]
;B[nq]
;W[lr]
;B[mp]
;W[lq]
;B[lp]C[black is connected out.
]))
(;AE[ci]LB[cf:A][ci:B]C[If the board looked like this, we would say that the A group needs help.
How can black defend?
B is the spot! 
B makes the normal healthy black shape.

Since black already has a stone at B, then black already has that healthy shape.
]))
(;B[mp]TR[gp][hp][ip][kp][lp][nq][pq]C[If black stops white from coming in,  he is still left with very many gaps. 
Black cannot say that these are his points.
So why would black play here if he is not getting the points?

We might say that it makes us more prepared to attack, but white did weak plus weak, so we are already prepared to attack.
]))
(;W[]
;B[qh]
;W[ph]
;B[qi]
;W[pi]
;B[rj]
;W[pj]
;B[qk]
;W[qg]LB[qg:A]C[White's points are all gone, but white has a thick group facing the center.

White does not really have any eyes yet, but it will take quite a while before he needs any defense.
]))
(;B[]LB[nc:A][ci:B][oq:C]TR[oa][ob][oc]SQ[pa][qa][ra][sa][pb][qb][rb][sb][pc]C[
The B group is finished and has no desire to grow. so the left is not interesting to black.

The bottom is the widest area, and that sounds good. But black C is low and settled, so black is not very interested in playing there. 
If there is nothing else going on, then that might be the place to play.

The right is the big area.
Black's shimari is facing that way, giving black desire to play there.
Also, white's group has a big gap, so black's move might be sente.
]))
