39th Amateur Series Division 7

[Graham Banks]

What happened?

Dabbaba lost on time against Soldat in a won position?!?

best, jens

Just woke up. Not sure what caused the problem, but the game will be replayed..

[JBNielsen]

What happened?

Dabbaba lost on time against Soldat in a won position?!?

best, jens

Just woke up. Not sure what caused the problem, but the game will be replayed..

Good morning!

Oh, nice if it isn't an error with Dabbaba

I hope the replayed game follows the same line (+2.00 for Dabbaba)
I missed the ending; the final attack...

If not we will take it from that point (do you say so in english?!)

best, jens

[Graham Banks]

What happened?

Dabbaba lost on time against Soldat in a won position?!?

best, jens

Just woke up. Not sure what caused the problem, but the game will be replayed..

Good morning!

Oh, nice if it isn't an error with Dabbaba

I hope the replayed game follows the same line (+2.00 for Dabbaba)
I missed the ending; the final attack...

If not we will take it from that point (do you say so in english?!)

best, jens

It will follow the same opening line. Soldat didn't agree that it was lost at the time the game stopped, whereas Dabbaba thought it was about +2 up, so it should be interesting regardless.

[JBNielsen]

What happened?

Dabbaba lost on time against Soldat in a won position?!?

best, jens

Just woke up. Not sure what caused the problem, but the game will be replayed..

Good morning!

Oh, nice if it isn't an error with Dabbaba

I hope the replayed game follows the same line (+2.00 for Dabbaba)
I missed the ending; the final attack...

If not we will take it from that point (do you say so in english?!)

best, jens

It will follow the same opening line. Soldat didn't agree that it was lost at the time the game stopped, whereas Dabbaba thought it was about +2 up, so it should be interesting regardless.

That's right. But the attack looked promising, and I think a strong engine would judge it as winning. Let's hope it occurs again so we can see what happens!

[JBNielsen]

What happened?

Dabbaba lost on time against Soldat in a won position?!?

best, jens

Just woke up. Not sure what caused the problem, but the game will be replayed..

Good morning!

Oh, nice if it isn't an error with Dabbaba

I hope the replayed game follows the same line (+2.00 for Dabbaba)
I missed the ending; the final attack...

If not we will take it from that point (do you say so in english?!)

best, jens

It will follow the same opening line. Soldat didn't agree that it was lost at the time the game stopped, whereas Dabbaba thought it was about +2 up, so it should be interesting regardless.

That's right. But the attack looked promising, and I think a strong engine would judge it as winning. Let's hope it occurs again so we can see what happens!

I see the game is replayed now.

Here at move 25 we have a similar situation, but not as open as the original.
Let's see what happens!

[Graham Banks]

39TH AMATEUR SERIES (Division 7)

Intel i5 Quad
ChessGUI
256mb hash each where possible
3-4-5 piece tablebases
Ponder off
Graham2013.cgb book
40 moves in 25 minutes repeating (adapted for the CCRL)
4 cycles 44 rounds
All engines 64-bit where available

The top engine will gain automatic promotion. Any other changes of division will be at my discretion and may not necessarily involve playoff matches.

Standings after Round 24

17.0 - Capivara LK 0.09a01a 64-bit
17.0 - Waxman 2011
16.5 - Vajolet 1.62.1
16.0 - FireFly 2.6.0 64-bit
15.5 - Butcher 1.64 64-bit
14.5 - Gibbon 2.57a 64-bit
13.5 - ProChess 1.02AD
9.0 - ChessKiss 1.7 64-bit
8.5 - Shallow 1.0 64-bit
7.0 - Soldat III 0.172
5.0 - Cupcake 1.1a
4.5 - Dabbaba 7.49


This tournament can be followed more closely from the following link, where games will also be available for download after every two rounds:
http://kirill-kryukov.com/chess/discuss ... f=7&t=6910

Alternatively, if you install TLCV (Tom's Live Chess Viewer) on your computer, you can watch the games live move by move. You'll also be able to chat to others following the tournament in the chatroom there.
http://home.pacific.net.au/~tommyinoz/client.zip
Host - GrahamCCRL.dyndns.org Port - 16001

The tournament is also being broadcast in Playchess.

[Graham Banks]

39TH AMATEUR SERIES (Division 7)

Intel i5 Quad
ChessGUI
256mb hash each where possible
3-4-5 piece tablebases
Ponder off
Graham2013.cgb book
40 moves in 25 minutes repeating (adapted for the CCRL)
4 cycles 44 rounds
All engines 64-bit where available

The top engine will gain automatic promotion. Any other changes of division will be at my discretion and may not necessarily involve playoff matches.

Standings after Round 30

21.5 - Capivara LK 0.09a01a 64-bit
20.5 - Vajolet 1.62.1
20.0 - Waxman 2011
19.5 - Butcher 1.64 64-bit
19.0 - FireFly 2.6.0 64-bit
18.5 - Gibbon 2.57a 64-bit
15.5 - ProChess 1.02AD
13.0 - ChessKiss 1.7 64-bit
12.0 - Shallow 1.0 64-bit
9.0 - Soldat III 0.172
7.0 - Cupcake 1.1a
4.5 - Dabbaba 7.49


This tournament can be followed more closely from the following link, where games will also be available for download after every two rounds:
http://kirill-kryukov.com/chess/discuss ... f=7&t=6910

Alternatively, if you install TLCV (Tom's Live Chess Viewer) on your computer, you can watch the games live move by move. You'll also be able to chat to others following the tournament in the chatroom there.
http://home.pacific.net.au/~tommyinoz/client.zip
Host - GrahamCCRL.dyndns.org Port - 16001

The tournament is also being broadcast in Playchess.

[Edoardo Manino]

urgh! six loss in a row

[Graham Banks]

urgh! six loss in a row

Let's hope you have better luck in the final rounds.

[JBNielsen]

What happens, Graham?
Dabbaba has lost its last 15 games!

Are you treating him well?
Don't feed him with poor chips!

I had a look at some of the games (round 19-24).
It is not easy to read the score/depth/time; many weird values.
But I can see the moves.

3R4/3Q1pk1/p2p2p1/4p1P1/3nP2P/3qB1K1/8/8 w - - 9 76 ; 76.Rd8g8?? looses - Soldat

Dabbaba 7.49 has an error.
It sometimes misses to evaluate the position when the Q-search starts.
My current version does not make this 76.Rd8g8?? error.
But this error should only be a 40-elo error.


2r3k1/p2q2pp/3p4/Q2P4/1RP1pP2/4P3/P6P/7K w - - 1 29 ; 29.Rb4a4?? looses - Cupcake
8/1B6/P5k1/3p1p2/2qb3p/8/6PK/4Q3 b - - 7 105 ; 105.Qc4c3?? looses immediately - Butcher

I cannot reproduce these terrible errors.
Probably an error in the hash-tables (that has been there for years...)
Perhaps I can start the game a few moves earlier and then reproduce the error?!
That would give me a chance to find and fix it.

Does dabbaba.exe still have its dabbaba.ini file in the same directory?

Does dabbaba produce a big log-file?
Writing to the disc all the time could slow it down.
I have seen such a file a few times lately.

best, jens


here are the diagrams:

[d]3R4/3Q1pk1/p2p2p1/4p1P1/3nP2P/3qB1K1/8/8 w - - 9 76 ; 76.Rd8g8?? looses - Soldat

[d]2r3k1/p2q2pp/3p4/Q2P4/1RP1pP2/4P3/P6P/7K w - - 1 29 ; 29.Rb4a4?? looses - Cupcake

[d]8/1B6/P5k1/3p1p2/2qb3p/8/6PK/4Q3 b - - 7 105 ; 105.Qc4c3?? looses immediately - Butcher