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been playing online computer chess last few weeks

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By:
darren_discombobulates_sports
When: 01 Jun 20 23:09
I've never beaten it myself! however I just came close today, had the king in the run for the first time, but it still ended up tying me in knots, I started of playing a high line with the pawns then attacked with the rooks and knights. Usually I bring the pawns out slowly.
By:
TheNorfolkMafia
When: 01 Jun 20 23:23
Computer Level 5

Played 52, Lost 52!

Cry
By:
TheNorfolkMafia
When: 02 Jun 20 21:21
Computer Level 5

Played 53, Lost 52, Won 1!

"If at first you don't succeed try, try and try again!"

Happy
By:
TheNorfolkMafia
When: 02 Jun 20 21:30
Skinto1948 vs. Computer Level 5 1-0
Chess.com: Vs. Computer: 2020.06.02
1.
c4

d5
2.
e3

c6
3.
Be2

e6
4.
Nf3

dxc4
5.
Bxc4

Qe7
6.
O-O

Nd7
7.
Nc3

e5
8.
Qb3

h5
9.
e4

h4
10.
d3

b5
11.
Bxf7+

Qxf7
12.
Qxf7+

Kxf7
13.
Ng5+

Ke7
14.
b3

Nc5
15.
Ba3

Kf6
16.
Nf3

Bg4
17.
Rad1

h3
18.
b4

Bxf3
19.
gxf3

Na4
20.
Rc1

Kf7
21.
Ne2

Ne7
22.
Rb1

g6
23.
Bb2

Rh5
24.
Ng3

a5
25.
Nxh5

Nxb2
26.
Rxb2

gxh5
27.
Rc2

Ng6
28.
a3

Ra6
29.
Rfc1

Nh4
30.
Rxc6

Rxc6
31.
Rxc6

Bxb4
32.
axb4

Nxf3+
33.
Kf1

Nxh2+
34.
Ke2

axb4
35.
Rc7+

Kf8
36.
f3

h4
37.
Rc5

b3
38.
Rxb5

Ng4
39.
Rxb3

h2
40.
Rb1

h1=N
41.
Rxh1

Nf6
42.
Rxh4

Nd7
43.
f4

exf4
44.
Rxf4+

Ke8
45.
d4

Ke7
46.
e5

Ke6
47.
Kd3

Ke7
48.
Ke4

Nb6
49.
d5

Nd7
50.
Rf5

Nc5+
51.
Kd4

Na6
52.
Rf6

Nb4
53.
d6+

Kd7
54.
Rf7+

Kc8
55.
d7+

Kd8
56.
e6

Nd5
57.
Kxd5

Kc7
58.
Rf8

Kb7
59.
d8=Q

Ka6
60.
Qa8+

Kb5
61.
Rb8#
By:
Emitdeb
When: 02 Jun 20 22:43
Amazing!!

That game shows black playing a 40.9 accuracy with 6 Blunders.. are you certain it was level 5?

Very well played though. Happy
By:
TheNorfolkMafia
When: 02 Jun 20 23:17
Skinto1948 vs. Computer Level 5 1-0
Chess.com: Vs. Computer: 2020.06.02
By:
darren_discombobulates_sports
When: 02 Jun 20 23:31
well done, I've still lost every single game to it lol. It's an excuse, but I don't give it my full attention.
By:
elisjohn
When: 03 Jun 20 07:04
congrats, norfolk mafia, nice oneWink
By:
Lee Ho Fooks
When: 03 Jun 20 09:21
Is it best of 105?
By:
elisjohn
When: 03 Jun 20 11:03
LEVEL 7 MATCH IN RUNNING

BLACK.  PAWNS F7 G7 H5.    ROOK C1   KING H6

WHITE . PAWNS A2  C3  F2  F3  H3    ROOK A5   KING G3

WHITE TO MOVE


SURELY IVE A GREAT CHANCE HERECool
By:
politicspunter
When: 03 Jun 20 11:09
You sure have, but still plenty of work to do. Try copy and pasting the rest of the game here when complete please.
By:
politicspunter
When: 03 Jun 20 11:14
Rook and pawn endgames are the ones that are toughest to win. If you know the rules/techniques, you can convert a lot of positions to wins and apparently lost positions to draws. You are two pawns up here but your pawns are isolated/doubled. You have four pawn "islands" (weak) whereas your opponent has only one. His black rook is also pretty active while yours might be needed to defend your pawns. You need to get your king into the game.
By:
elisjohn
When: 03 Jun 20 11:19
YES I WILL TRY, the latest is
black  rook g8   king c8

me white   pawns c7   f2   rook c2  king g4   

i know ive done some silly moves between my 2  posts , its white move
By:
politicspunter
When: 03 Jun 20 11:32
This is an easy win for white.
By:
elisjohn
When: 03 Jun 20 11:39
Cry draw by too many repositions, bloody hell didnt know that, i was struggling to end it though.

ps when match ended it went staraight to new game and all data was wiped out, sorry pp.

easy win for white how low would i have been to win on the exchange pp?Grin
By:
elisjohn
When: 03 Jun 20 11:44
repetitionWhoops
By:
politicspunter
When: 03 Jun 20 11:59
Ok. Let's look at the position in your 11.19 post. You have your rook on c2 and have pushed your pawn to c7. This is perfect as black is forced to keep his king at c8 to stop the pawn going in. If you didn't have another pawn it would probably be a draw, but you have and it's protected. Black can't use his rook and pawn to take the pawn at c7 as you just chop the rooks off and move your king up the board to somewhere like e7 and march your f2 pawn in. Your first move should be Kf4, then Ke5 then Kd6. Notice that on d6, the black rook can't check you on the 8th rank because of your pawn on c7? Now it's just a case of gradually advancing your f pawn, keeping guarding it with your rook until it gets all the way to a queen (supported by your king near the end). Black is totally tied up, he can't cover everything. Black also has to ensure that he can try his best to keep checking you or else your rook might be able to go to b2 then b8 and mate him.
By:
Emitdeb
When: 03 Jun 20 14:02
Hi politics, very much like you to wipe the floor with me at some point.. Can we arrange a date? please.
By:
Emitdeb
When: 03 Jun 20 14:06
Hi elisjohn, very much like to wipe the floor with you at some point.. Can we arrange a date? please.
By:
Emitdeb
When: 03 Jun 20 14:08
elisjohn

Just kidding.. Wink 

Laugh
By:
elisjohn
When: 03 Jun 20 14:31
i will one day, emitdeb, im not very good at all, i could go on level 3 now and be beaten in most, but if i do go onthe  chess site you mention i,ll give you a game.I know youve said its easy , but i really am a dinosaur with these things, and all my nephews/ nieces take the piss out of me.
By:
Emitdeb
When: 03 Jun 20 14:38
Not a problem elisjohn, It's all the same site. If you click a link i put up, pretty sure that would do... Not able atm.. Have things that i need to pretend I'm doing whilst losing money on the horses Blush
By:
elisjohn
When: 03 Jun 20 14:40
yes politics , he was forced to keep his king at c8, exactly as you say, i did  get my king into play , but just couldnt finish him off,  did you know of the  repetition rule?

another ?, if in a match you have just a king  left, if opponent doesnt check mate you in a certain number of moves then its a draw, is that correct, i heard it was 16 moves
By:
elisjohn
When: 03 Jun 20 14:41
yes im laying hypothetical in the next Grin
By:
Lee Ho Fooks
When: 03 Jun 20 14:43
Emitdeb03

Hi elisjohn, very much like to wipe the floor with you at some point..

Those who don't play do not realise but chess is a brutal game
By:
politicspunter
When: 03 Jun 20 14:58

Jun 3, 2020 -- 2:40PM, elisjohn wrote:


yes politics , he was forced to keep his king at c8, exactly as you say, i did  get my king into play , but just couldnt finish him off,  did you know of the  repetition rule?another ?, if in a match you have just a king  left, if opponent doesnt check mate you in a certain number of moves then its a draw, is that correct, i heard it was 16 moves


Ok, if the exact same position is repeated three times, it is a draw.

When you have just your king left, your opponent has 50 moves to checkmate you. Now this 50 move rule is easy enough to win within if say you have a queen or a rook but it can be much harder if you are trying to check mate say with only a bishop and knight. It can be done but even master level players can struggle to do it within fifty moves, especially if under time pressure.

If anyone wants to try that bishop and knight mate, get a board out, place the pieces at random and see if you can do it in fifty moves!

By:
politicspunter
When: 03 Jun 20 15:11
By the way, that bishop and knight mate situation very rarely comes up over the board but is a good test. Here is a much better one and this similar situation comes up all the time.

White- Rook on h1. King on b4. pawn on c4.

Black- Rook on g2. King on e5.

White to play. What result?
By:
Pleasegivemeanailedontip
When: 03 Jun 20 15:40
I think i had a 50 move draw when there was loads on the board once. Pawns practically locked up and game going nowhere. Maybe im wrong
By:
politicspunter
When: 03 Jun 20 15:42

Jun 3, 2020 -- 3:40PM, Pleasegivemeanailedontip wrote:


I think i had a 50 move draw when there was loads on the board once. Pawns practically locked up and game going nowhere. Maybe im wrong


Yep, I think the rule is actually something like " fifty moves without a piece being taken or a pawn being moved".

By:
Charlie
When: 03 Jun 20 16:25

Jun 3, 2020 -- 11:59AM, politicspunter wrote:


Ok. Let's look at the position in your 11.19 post. You have your rook on c2 and have pushed your pawn to c7. This is perfect as black is forced to keep his king at c8 to stop the pawn going in. If you didn't have another pawn it would probably be a draw, but you have and it's protected. Black can't use his rook and pawn to take the pawn at c7 as you just chop the rooks off and move your king up the board to somewhere like e7 and march your f2 pawn in. Your first move should be Kf4, then Ke5 then Kd6. Notice that on d6, the black rook can't check you on the 8th rank because of your pawn on c7? Now it's just a case of gradually advancing your f pawn, keeping guarding it with your rook until it gets all the way to a queen (supported by your king near the end). Black is totally tied up, he can't cover everything. Black also has to ensure that he can try his best to keep checking you or else your rook might be able to go to b2 then b8 and mate him.


I haven't set the position up but I'm not 100% convinced it is a win and it would certainly take some technique unless I'm missing the obvious which is entirely possible.

What does white do if black keeps checking and if the king goes too far then attacks the f pawn?

By:
politicspunter
When: 03 Jun 20 16:44
Charlie, once the white king gets to d6, black can't check with his rook on d8 as whites pawn is on c7. White then brings his rook to the e file. Now the threat is Re8+ if black brings  his rook off the eighth rank. Now white has the option of advancing his f pawn and can always block checks with Re6.
By:
Charlie
When: 03 Jun 20 16:50
Thinking about it maybe white comes back and hides behind his f pawn, moves his rook to c3 and then pawn to f3 and king to f2. And continues slowly advancing up the board in a similar manner - rook to c4 etc. Have to be a bit careful that black doesn't chop c pawn to leave a drawn pawn ending. Lucena positions are also relevant here.
By:
Charlie
When: 03 Jun 20 16:52
I'll have to set the position up!
By:
Charlie
When: 03 Jun 20 16:56
Ah I had white rook on c1.
By:
politicspunter
When: 03 Jun 20 16:58
Charlie, How does black stop plans such as ...

1. Kf5 Rf8+ 2. Ke6 Re8+ 3. Kd6 Rf8 4. Re2 Rg8 5. f4 Rg6+ 6. Re6 Rg8 7 f5 etc.
By:
Charlie
When: 03 Jun 20 17:04
1. Kf5 Rf8+ 2. Ke6 Rf3 maybe? If Kd6 then Rf3+.
By:
Charlie
When: 03 Jun 20 17:05
Rf6  not 3
By:
Charlie
When: 03 Jun 20 17:06
I mean Rf6+ if Kd6 ffs!
By:
Pleasegivemeanailedontip
When: 03 Jun 20 17:07
By the way, that bishop and knight mate situation very rarely comes up over the board but is a good test. Here is a much better one and this similar situation comes up all the time.
White- Rook on h1. King on b4. pawn on c4.
Black- Rook on g2. King on e5.
White to play. What result?


Seemed to get the job done as white by parking my rook on the d file to block the king from joining in. Was there a better way?
By:
Charlie
When: 03 Jun 20 17:11
Please etc!

I think that is the correct way but again I haven't set up the position. I'll have a look later.
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