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 Intuitive Chess Match: Rebel Century CCRL Rated 2542 vs Lc0 Neural Network Play Only (0 Calculation)

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mwyoung

mwyoung


Posts : 880
Join date : 2020-11-25
Location : USA

Intuitive Chess Match: Rebel Century CCRL Rated 2542 vs Lc0 Neural Network Play Only (0 Calculation) Empty
PostSubject: Intuitive Chess Match: Rebel Century CCRL Rated 2542 vs Lc0 Neural Network Play Only (0 Calculation)   Intuitive Chess Match: Rebel Century CCRL Rated 2542 vs Lc0 Neural Network Play Only (0 Calculation) EmptySun Jan 29, 2023 4:01 am

Intuitive Chess Match: Rebel Century CCRL Rated 2542 vs Lc0 Neural Network Play Only (0 Calculation)



Hardware: Threadripper 2950x, RTX 2080TI, 64 GBs Ram.

Book Perfect Book 2021 to 6 moves.
Rebel Century Default settings.
Lc0 setting is set to 1 node only to produce a move at each turn.
Lc0 is playing with zero calculation, and play is based on just the Neural networks
understanding of the position.
Time controls for Rebel Century. 2m+1s
Lc0 is playing instantly.
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Admin
Admin
Admin


Posts : 2496
Join date : 2020-11-17
Location : Netherlands

Intuitive Chess Match: Rebel Century CCRL Rated 2542 vs Lc0 Neural Network Play Only (0 Calculation) Empty
PostSubject: Re: Intuitive Chess Match: Rebel Century CCRL Rated 2542 vs Lc0 Neural Network Play Only (0 Calculation)   Intuitive Chess Match: Rebel Century CCRL Rated 2542 vs Lc0 Neural Network Play Only (0 Calculation) EmptySun Jan 29, 2023 7:51 am

Poor Lc0 jocolor
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http://rebel13.nl/
mwyoung

mwyoung


Posts : 880
Join date : 2020-11-25
Location : USA

Intuitive Chess Match: Rebel Century CCRL Rated 2542 vs Lc0 Neural Network Play Only (0 Calculation) Empty
PostSubject: Re: Intuitive Chess Match: Rebel Century CCRL Rated 2542 vs Lc0 Neural Network Play Only (0 Calculation)   Intuitive Chess Match: Rebel Century CCRL Rated 2542 vs Lc0 Neural Network Play Only (0 Calculation) EmptySun Jan 29, 2023 7:59 am

Admin wrote:
Poor Lc0 jocolor

Lc0 is doing great. Lc0 is playing a GM level chess engine, and is playing at a IM level with zero calculation.

I find that amazing.

Do not try this with any other NN like Stockfish. It will get CRUSHED!

TheSelfImprover likes this post

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Admin
Admin
Admin


Posts : 2496
Join date : 2020-11-17
Location : Netherlands

Intuitive Chess Match: Rebel Century CCRL Rated 2542 vs Lc0 Neural Network Play Only (0 Calculation) Empty
PostSubject: Re: Intuitive Chess Match: Rebel Century CCRL Rated 2542 vs Lc0 Neural Network Play Only (0 Calculation)   Intuitive Chess Match: Rebel Century CCRL Rated 2542 vs Lc0 Neural Network Play Only (0 Calculation) EmptySun Jan 29, 2023 8:15 am

Isn't Lc0 not doing a full depth=1, it certainly looks that way.
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http://rebel13.nl/
mwyoung

mwyoung


Posts : 880
Join date : 2020-11-25
Location : USA

Intuitive Chess Match: Rebel Century CCRL Rated 2542 vs Lc0 Neural Network Play Only (0 Calculation) Empty
PostSubject: Re: Intuitive Chess Match: Rebel Century CCRL Rated 2542 vs Lc0 Neural Network Play Only (0 Calculation)   Intuitive Chess Match: Rebel Century CCRL Rated 2542 vs Lc0 Neural Network Play Only (0 Calculation) EmptySun Jan 29, 2023 8:17 am

Admin wrote:
Isn't Lc0 not doing a full depth=1, it certainly looks that way.

No it is set to 1 node. And just to produce the first move it sees.

So it is not even looking at all possible first moves. Just what it thinks would be at the top of the list.

Look at the node counter, and the PV. And ponder hits are 0%.

So no move are looked at for the other side. To see if what is played could just lose by tactics.
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Admin
Admin
Admin


Posts : 2496
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Intuitive Chess Match: Rebel Century CCRL Rated 2542 vs Lc0 Neural Network Play Only (0 Calculation) Empty
PostSubject: Re: Intuitive Chess Match: Rebel Century CCRL Rated 2542 vs Lc0 Neural Network Play Only (0 Calculation)   Intuitive Chess Match: Rebel Century CCRL Rated 2542 vs Lc0 Neural Network Play Only (0 Calculation) EmptySun Jan 29, 2023 8:52 am

mwyoung wrote:
Admin wrote:
Isn't Lc0 not doing a full depth=1, it certainly looks that way.

No it is set to 1 node. And just to produce the first move it sees.

So it is not even looking at all possible first moves. Just what it thinks would be at the top of the list.

Look at the node counter, and the PV. And ponder hits are 0%.

So no move are looked at for the other side. To see if what is played could just lose by tactics.

Really, that sounds as a full depth=1 search.

But what are the engine settings you use?
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mwyoung

mwyoung


Posts : 880
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Location : USA

Intuitive Chess Match: Rebel Century CCRL Rated 2542 vs Lc0 Neural Network Play Only (0 Calculation) Empty
PostSubject: Re: Intuitive Chess Match: Rebel Century CCRL Rated 2542 vs Lc0 Neural Network Play Only (0 Calculation)   Intuitive Chess Match: Rebel Century CCRL Rated 2542 vs Lc0 Neural Network Play Only (0 Calculation) EmptySun Jan 29, 2023 8:59 am

Admin wrote:
mwyoung wrote:
Admin wrote:
Isn't Lc0 not doing a full depth=1, it certainly looks that way.

No it is set to 1 node. And just to produce the first move it sees.

So it is not even looking at all possible first moves. Just what it thinks would be at the top of the list.

Look at the node counter, and the PV. And ponder hits are 0%.

So no move are looked at for the other side. To see if what is played could just lose by tactics.

Really, that sounds as a full depth=1 search.

But what are the engine settings you use?

I am not sure what the difference is.... You are lonely looking at your side, but not counter moves.

And in the banksia GUI in the time controls. You have the option to set how many nodes for the UCI chess engine to use instead of time.

So I use time controls  MULTI option and set Rebels time to 2m+1s and Lc0 time to 1 node.

This is the weakest possible setting for Lc0.
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Admin
Admin
Admin


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Intuitive Chess Match: Rebel Century CCRL Rated 2542 vs Lc0 Neural Network Play Only (0 Calculation) Empty
PostSubject: Re: Intuitive Chess Match: Rebel Century CCRL Rated 2542 vs Lc0 Neural Network Play Only (0 Calculation)   Intuitive Chess Match: Rebel Century CCRL Rated 2542 vs Lc0 Neural Network Play Only (0 Calculation) EmptySun Jan 29, 2023 10:02 am

Arena, nodes=1

Code:
FEN: rnbqkbnr/pppppppp/8/8/3P4/8/PPP1PPPP/RNBQKBNR b KQkq d3 0 1

Lc0:
  1/1   00:00              1   0   +0,04   e2-e4
  1/1   00:00              1   0   +0,04   c2-c4
  1/1   00:00              1   0   +0,04   Ng1-f3
  1/1   00:00              1   0   +0,04   d2-d4

Arena, depth=1

Code:
FEN: rnbqkbnr/pppppppp/8/8/3P4/8/PPP1PPPP/RNBQKBNR b KQkq d3 0 1

Lc0:
  1/1   00:00              1   0   +0,04   e2-e4
  1/1   00:00              1   0   +0,04   c2-c4
  1/1   00:00              1   0   +0,04   Ng1-f3
  1/1   00:00              1   0   +0,04   d2-d4
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http://rebel13.nl/
mwyoung

mwyoung


Posts : 880
Join date : 2020-11-25
Location : USA

Intuitive Chess Match: Rebel Century CCRL Rated 2542 vs Lc0 Neural Network Play Only (0 Calculation) Empty
PostSubject: Re: Intuitive Chess Match: Rebel Century CCRL Rated 2542 vs Lc0 Neural Network Play Only (0 Calculation)   Intuitive Chess Match: Rebel Century CCRL Rated 2542 vs Lc0 Neural Network Play Only (0 Calculation) EmptySun Jan 29, 2023 10:13 am

Admin wrote:
Arena, nodes=1

Code:
FEN: rnbqkbnr/pppppppp/8/8/3P4/8/PPP1PPPP/RNBQKBNR b KQkq d3 0 1

Lc0:
  1/1 00:00           1 0 +0,04 e2-e4
  1/1 00:00           1 0 +0,04 c2-c4
  1/1 00:00           1 0 +0,04 Ng1-f3
  1/1 00:00           1 0 +0,04 d2-d4

Arena, depth=1

Code:
FEN: rnbqkbnr/pppppppp/8/8/3P4/8/PPP1PPPP/RNBQKBNR b KQkq d3 0 1

Lc0:
  1/1 00:00           1 0 +0,04 e2-e4
  1/1 00:00           1 0 +0,04 c2-c4
  1/1 00:00           1 0 +0,04 Ng1-f3
  1/1 00:00           1 0 +0,04 d2-d4

Correct, but nodes are not depth. Now set to 2 nodes. You will get 1 white move , and one black move. Now set to 5 nodes, this does not get you depth 5. It will get you depth 2, 3, 4 or 5. Depending the on the position, and how Lc0 thinks best to use the 5 nodes.

Lc0 set at depth 5 can use 100's of nodes in the calculation to reach depth 5.
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mwyoung

mwyoung


Posts : 880
Join date : 2020-11-25
Location : USA

Intuitive Chess Match: Rebel Century CCRL Rated 2542 vs Lc0 Neural Network Play Only (0 Calculation) Empty
PostSubject: Re: Intuitive Chess Match: Rebel Century CCRL Rated 2542 vs Lc0 Neural Network Play Only (0 Calculation)   Intuitive Chess Match: Rebel Century CCRL Rated 2542 vs Lc0 Neural Network Play Only (0 Calculation) EmptySun Jan 29, 2023 6:12 pm

Code:
 Result:
------------------------------------------------------------------------------------------------------------------
  #  name                                                  games    wins   draws  losses   score    elo    +    -
  1. Rebel Century CCRL Rating 2542                          400     276      65      59   308.5    107   17   17
  2. Lc0 v0.29.0 Neural Network Only Play (0 calculation)    400      59      65     276    91.5   -107   17   17

Cross table:
------------------------------------------------------------------------------------------------------------------
  #  name                                                     score   games         1         2
  1. Rebel Century CCRL Rating 2542                           308.5     400         x     308.5
  2. Lc0 v0.29.0 Neural Network Only Play (0 calculation)      91.5     400      91.5         x

Tech:
------------------------------------------------------------------------------------------------------------------

Tech (average nodes, depths, time/m per move, others per game), counted for computing moves only, ignored moves with zero nodes:
  #  name                                                    nodes/m         NPS  depth/m   time/m    moves     time
  1. Rebel Century CCRL Rating 2542                            5676K     2481010     10.6      2.3     58.1    132.9
  2. Lc0 v0.29.0 Neural Network Only Play (0 calculation)         0K          29      1.0      0.0     59.6      2.0
     all ---                                                   2735K     2443893      5.7      1.1     58.9     67.5
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texium




Posts : 112
Join date : 2022-07-19

Intuitive Chess Match: Rebel Century CCRL Rated 2542 vs Lc0 Neural Network Play Only (0 Calculation) Empty
PostSubject: Re: Intuitive Chess Match: Rebel Century CCRL Rated 2542 vs Lc0 Neural Network Play Only (0 Calculation)   Intuitive Chess Match: Rebel Century CCRL Rated 2542 vs Lc0 Neural Network Play Only (0 Calculation) EmptyMon Jan 30, 2023 7:24 am

1 node on Leela is just policy IIRC, real depth 1 and depth 2 on leela take a little longer
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Chris Whittington




Posts : 1254
Join date : 2020-11-17
Location : France

Intuitive Chess Match: Rebel Century CCRL Rated 2542 vs Lc0 Neural Network Play Only (0 Calculation) Empty
PostSubject: Re: Intuitive Chess Match: Rebel Century CCRL Rated 2542 vs Lc0 Neural Network Play Only (0 Calculation)   Intuitive Chess Match: Rebel Century CCRL Rated 2542 vs Lc0 Neural Network Play Only (0 Calculation) EmptyMon Jan 30, 2023 12:52 pm

texium wrote:
1 node on Leela is just policy IIRC, real depth 1 and depth 2 on leela take a little longer

I think that's correct. Policy is the move selector not the evaluator, anymore than AB search killer/hash are evaluators.

Depth 1 for AB looks at all moves plus Qsearch captures (eg more nodes than just the ply one width). MCTS looks at all moves at ply one(?) but each is extended. Probably MCTS d1 looks at more nodes than AB d1, but what can you do? Play nodes=100 matches? Nodes 50?
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texium




Posts : 112
Join date : 2022-07-19

Intuitive Chess Match: Rebel Century CCRL Rated 2542 vs Lc0 Neural Network Play Only (0 Calculation) Empty
PostSubject: Re: Intuitive Chess Match: Rebel Century CCRL Rated 2542 vs Lc0 Neural Network Play Only (0 Calculation)   Intuitive Chess Match: Rebel Century CCRL Rated 2542 vs Lc0 Neural Network Play Only (0 Calculation) EmptyMon Jan 30, 2023 4:38 pm

Yea it's interesting. A lot of Leela testing does 50, 100, 500 nodes because it's perfect for LTC type testing. MCTS takes less nodes overall and from it's readme file, Dragon with MCTS outputs an estimation of depth
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