Selected Positions in Lille, Rd. 9 (Men)

Discussion and analysis about a full game.

Selected Positions in Lille, Rd. 9 (Men)

Postby Alex_Moiseyev on Wed Sep 12, 2012 11:47 pm

Diagram #1. White to move ....... Diagram #2. Red to move
Image .. Image
F. Kareta vs C. Freeman, G1

In order to achieve draw in this game, white made a losing move and red missed a win. In position on diagram #1 white jumped 25x18? which suppose to lose if meet properly. After then game continued: 25x18, 12-16, 18-15, 10x19, 27-24, 20x27, 31x15 ...

See position on diagram #2. 3-7* wins here, but 1-5 as played in the game leads only to draw after 15-10.

White to move.
Image
I. Martynov vs S. Thrane, G1

White played here 26-22? and lost by 9-14, 22-18, 15x22, 24-19, 22-26, 19-12, 11-15 etc RW They still had a chance to draw position on diagram by 24-19*, 15x24, 23-18, 10-15, 26-22, 6-10, 13x6, 2x9, 17-13, 10-14, 13x6, 14x23, 6-2 (or 21-17) Draw with man down due to bind of red pieces.

Diagram #1. Red to move ........ Diagram #2. Red to move ....... Diagram #3. White to move
Image . Image . Image
O. Kolin vs M. Bernini, G1

Very interesting, fresh game which had original instructive play in the beginning and middle of game and nice ending play. Actually this game cosists of two separate independent parts: before ending and ending itself and I decided to diagram each part separately with 3 diagrams.

On diagram #1 we have position from opening 10-15, 24-20, 6-10 + 28-24, 23-19. I already mentioned in annotations to other game that suspicious trade 12-16 seems to be untested to me.

!!! ATTENTION: 12-16 in position on diagram #1 is untested, I am Alex Moiseyev and I approve this message !!!

After 12-16, 23x19, 15-18, 22x15, 10x28, 21-17 we reach position on diagram #2. Kingsrow opening book shows serious level of advantage for white after 25-22 instead 21-17 and I agree with this and recommend this move. It is very possible that 25-22 maybe a slow win which kills 12-16 trade. I will contact later with Ed Gilbert and ask him (if he has time) to put an extra generator search onto this position after 25-22.

All after all, 21-17 on diagram #2 is missing an advantage and allows red to play here immediately 9-13 to almost equalize the game. 11-16 as played in the game instead 9-13 appears to be a slow earlier loss.

Diagram #3 has position where white last time had a chance to win game without complicated endings. 31-27 suppose to win ut white played surprising 13-9! and game gets an extra brief and longer life !

Diagram #4. Red to move ....... Diagram #5. White to move ...... Diagram #6. Red to move
Image . Image . Image

Now into ending sea ! In position on diagram #4 31-27 - draw, 31-26 (as played) loses. Red had to play 31-27-24-19, 12-16 to build a trade and white can't stop them.

In position on diagram #5 19-15 still a win by blocking red to crown both Kings and 19-16 - draw to due to fantastic man down draw coming later.

And finally wonderful diagram #6. 32-27? loses, 31-27 *draw ! You may ask me - WHY ? My answer is - I have no idea, only God knows ! But this is exactly what Kingsrow 10 pieces ending database shows. All my attempts to win this position by doing manually one or another move failed. Red always had some tricky tactical escapes.

Diagram #1. Red to move ......... Diagram #2. White to move
Image .. Image
J. Tichy vs J. Jolliff, G1

On diagram #1 red played losing 8-11 ?? allow white for extremely danger and powerful trade 18-15 which crashes all red bastions ! Waiting 2-6 with followng 8-11 was certainly way to go !

In position on diagram #2 correct was was building a trading column 10/15/19 and trade 10-6. For instance - 18-15, 15-10, 27-24, 19-15 etc. White played here 27-23 which is still a win but a bit more complicated because red can stop white building a trading column for 1-2 moves. However, after 27-23, 14-17, 32-27 as played in game missing an important, crucial tempo and win.

Diagram #1. Red to move ........ Diagram #2. Red to move ........ Diagram #3. Red to move
Image . Image . Image
R. King vs Bashim Durdyev, G1

See position on diagram #1 after opening moves 10-15, 21-17, 15-18, 23x14, 9x18, 22x15, 11x18, 17-13 ... Here Ron played very questionable move 7-10 ?! which puts red on very hard, delicate defense to the rest of game. However I can't blame him for this because the tournament situation where his only chance was win both games didn't let him much choices. The main principle is - if you really want and intent to get out of PP - do it at the earliest move possible !

Bashim met it correctly 26-22 and after 3-7, 22x15, 10x19, 24x15 they reached position on diagram #2. Deep anakyses with program shows that the only weak draw here was still available after 7-11*. Ron played again 7-10 which looks natural but loses. However, in order to confirm this you have to look ahead for 10-12 to see red running out of moves as happened in game.

In position diagram #3 white last move was 22-18? which misses a win 25-21 etc. After 22-18 Ron had a chance immediately to take advantage on this and play 6-10, 10-14 etc Draw. hence!, he tried to win. After 8-11? on diagram #3 (as played in game) there is no scientific draw for white and red eventually ran out of moves.

Game continued: 13. 08-11 25-21 14. 04-08 21-17 15. 12-16 18-14 16. 16-20 31-27 17. 11-16 30-25 18. 08-11 25-21 19. 20-24 27x20 20. 19-23 28-24 21. 23-26 32-27 22. 26-30 27-23 23. 30-26 24-19 etc WW

White to move
Image
P. Faleo vs U. Hydyrov, G1

Not an easy position for white who played it a bit inaccurately couple moves before allow red powerful 14-18. However in position on diagram white still had a draw with care of by playing 16-12. 32-27? as played in game finely loses as Italian grandmaster demonstrated this: 18-22*, 17-14, 10x17, 21x14, 15-18*, 26x17, 19-23*, 27-24, 7-10 etc RW. Nice tactical maneur !

Diagram #1. White to move ...... Diagram #2. Red to move ....... Diagram #3. White to move.
Image . Image . Image
S. Thrane vs I. Martinov, G2

In position on diagram #1 Igor first time mised a win by 31-27*, 13x22, 25x9, 1-5, 29-25, 5x14, 25-22 and red can't consolidate position bby playing 11-15?.

Instead 31-27 Igor played 24-20 and after several moves they reached position on diagram #2. Here 14-17 should drew the game but Sune played losing 3-8? allowing white to break red position and crown King.

At the end of the game in position on diagram #3, at 25th move (time shortness ?), Igor missed a win 16-11 etc and played 10-14??, 17-21, 14-18, 24-28 allowing red to free their pieces on double corner and get away.

======================================================

Rest of 2nd game in 9th round will be processed later.
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Re: Selected Positions in Lille, Rd. 9 (Men)

Postby liam stephens on Thu Sep 13, 2012 12:17 pm

!!! ATTENTION: 12-16 in position on diagram #1 is untested, I am Alex Moiseyev and I approve this message !!!

Basic Checkers continues with 29-25 to a White win by Ryan. However, the continuation given is 29-25, 11-15, 21-17,
7-10 .....etc., but 9-13 instead of 7-10 looks ok for Black, though I haven't delved into it.
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Re: Selected Positions in Lille, Rd. 9 (Men)

Postby Alex_Moiseyev on Thu Sep 13, 2012 1:18 pm

Maybe draw ...

Continue after trade 2x2:

25-22 (21-17 can be meet by 9-13), 11-15, 27-23 (anything better ?), 8-11, 23-18 (anything better ?), 15-19 White very strong
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Re: Selected Positions in Lille, Rd. 9 (Men)

Postby Ingo_Zachos on Thu Sep 13, 2012 8:10 pm

This 12-16 idea reminds me of the Bronx Express, the line 1. 11-15 24-20, 2.8-1128-24, 3. 4-8 23-19, 4. 12-16 in the Ayshire Lassie ( I expexcially recall a game Baghtiyar Durdyev - Richard Beckwith from the QT Prague 2005) and an earlier game Baghtiyar Durdyev - Ron King at Lille 2012.

I belive this is one of Mr. Pask`s strategems he highlited in Key Themes, and it shows that these kind of tactical trick usually weakens the centre and is critical.


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Re: Selected Positions in Lille, Rd. 9 (Men)

Postby tommyc on Fri Sep 14, 2012 8:53 am

Maybe draw ...

Continue after trade 2x2:

25-22 (21-17 can be meet by 9-13), 11-15, 27-23 (anything better ?), 8-11, 23-18 (anything better ?), 15-19 White very strong

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Instead of last move there 15-19 which looks a draw too.... ...........if 7-10 is a tuff draw ending in a 5x5 position with white getting 4 Kings red getting 3 ....but not enough to win!.A typical Ron King positional ending...............

after,................7-10,!!! 26-23, 9-14, 18-9,
5-14, 31-27, 6-9, 30-25, 3-7, 23-18, 14-23, 27-18, 10-14, 12-8, 14-23,
8-3, 7-10, 3-7, 9-14, 7-16, 23-26, 16-11, 15-19, 20-16, 26-30, 16-12,
30-26, 22-18, 14-23, 25-22, 26-17, 21-7, 19-24, 12-8, 24-27, 8-3,
27-31, 3-8, 23-26, 29-25, 26-30, 25-21, 2-6, 21-17, 6-9, 17-13, 9-14,
13-9, 14-17, 9-6, 17-21, 6-1, 30-26, 7-2, 21-25, 2-6, 25-30, 6-10 to a 5x5 ending





PS Liam...........There are quite a few discrepencies on the 21-17 line in the Basic Checkers continuations by W.Ryan.
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Re: Selected Positions in Lille, Rd. 9 (Men)

Postby liam stephens on Fri Sep 14, 2012 11:38 am

Tommy,
3rd line of your play, at 16-12:

after,................7-10,!!! 26-23, 9-14, 18-9,
5-14, 31-27, 6-9, 30-25, 3-7, 23-18, 14-23, 27-18, 10-14, 12-8, 14-23,
8-3, 7-10, 3-7, 9-14, 7-16, 23-26, 16-11, 15-19, 20-16, 26-30, 16-12,
30-26, ...........

30-26 is a loser and after 22-18 and the 2X2 the resulting 5X5 position is a White win.
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Re: Selected Positions in Lille, Rd. 9 (Men)

Postby tommyc on Fri Sep 14, 2012 1:17 pm

Do you think the 4 white kings and a single again the 3 red kings and 2 singles is a winner/? I didnt work it out past this point.
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Re: Selected Positions in Lille, Rd. 9 (Men)

Postby tommyc on Fri Sep 14, 2012 1:46 pm

I think my good friend Alex M ought to be congratulated [ even if he can be a pain at times too] on the great work hes done annoting all the LILLE games.And not be criticising him over some little flaw here or there. Some people just cant be pleased.
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Re: Selected Positions in Lille, Rd. 9 (Men)

Postby liam stephens on Fri Sep 14, 2012 2:05 pm

Ha, ha, Tommy,
It is not Alex' play that is flawed - it is yours.
That 7-10 line does not stand up.
In the 5 X 5 ending all replies are White wins.

Going back to Alex' play: 25-22 , 11-15, 27-23 , 8-11, 23-18 ,
then Alex' 15-19, (or 6-10 instead) may draw.
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Re: Selected Positions in Lille, Rd. 9 (Men)

Postby tommyc on Fri Sep 14, 2012 4:14 pm

AYe sure 15-19 draws in its sleep man.......................try something difficult ffs,like 7-10 show me da money!! Show me the win? I know its WEAK............like me.




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Re: Selected Positions in Lille, Rd. 9 (Men)

Postby tommyc on Fri Sep 14, 2012 8:41 pm

Liam.......................Im waiting on your reaply and and a white win. Show me the money..................
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Re: Selected Positions in Lille, Rd. 9 (Men)

Postby liam stephens on Sat Sep 15, 2012 6:40 am

Tommy, there is an old saying............................
"Do not look for new ways to lose"

After 24-27, instead of crowning 8-3 ?, try 7-3 White wins.
Later, after 2-6, instead of 21-17 ?, try 7-2, White wins.
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Re: Selected Positions in Lille, Rd. 9 (Men)

Postby tommyc on Sat Sep 15, 2012 7:51 am

Well plan B IS STILL THERE ........GOOD OL 15-19 so why worry.hehehe

ps Now if i was Kate Middelton ;thats another story!!!
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