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What do you think the value of the Queen should be ?
Posted: Wed Jul 27, 2016 2:06 am
by George
Without letting your Komodo 9 or Stockfish autoplay this position, by simply looking at it what side do you think has a better chance of winning, and what do you say about the value of the Queen after you find out ?
[D]2bqkbnr/ppp1p1pp/8/8/8/8/PPPPPPPP/RNB1KBNR w KQk - 0 1 [D]
Stockfish 7 x64:
Stockfish 7 x64
Re: What do you think the value of the Queen should be ?
Posted: Wed Jul 27, 2016 10:08 am
by JJJ
Without testing with any Engines, I would say black is better. I will check with stockfish now
Re: What do you think the value of the Queen should be ?
Posted: Wed Jul 27, 2016 11:15 am
by Lyudmil Tsvetkov
White simply wins.
You can not separate eval factors from one another, there is a big bunch of 15-20 queen-value-related terms that play a role here.
Re: What do you think the value of the Queen should be ?
Posted: Wed Jul 27, 2016 1:56 pm
by yurikvelo
SF-dev, 100+MN per move (at some unstable moves 300...500...2500 MN)
[pgn]
[Event "Computer chess game"]
[Date "2016.07.27"]
[White "Stockfish_16072409"]
[Black "Stockfish_16072409"]
[SetUp "1"]
[FEN "2bqkbnr/ppp1p1pp/8/8/8/8/PPPPPPPP/RNB1KBNR w KQk - 0 1"]
1. Nf3 Nf6 2. e3 Bg4 3. d3 Bxf3 4. gxf3 Qd5 5. Nd2 Nd7 6. Ne4 Qc6 7. c4 g6
8. Be2 Qb6 9. Bd2 Bg7 10. Rb1 O-O 11. O-O Nc5 12. Nc3 g5 13. Rfd1 Qh6 *
[/pgn]
=0.00
On 11. ..Nc5 eval is up to +0.67, but at some D suddenly drops
Re: What do you think the value of the Queen should be ?
Posted: Wed Jul 27, 2016 2:02 pm
by George
Lyudmil Tsvetkov wrote:White simply wins.
You can not separate eval factors from one another, there is a big bunch of 15-20 queen-value-related terms that play a role here.
Probably you found out by now, but what if I give you this even position with Black side to start the game on autoplay ? But first try to guess which side will win this time ?
[D]2bqkbnr/ppppp1pp/8/8/8/8/PPPPPPPP/RNB1KBNR b KQk - 0 1 [D]
Re: What do you think the value of the Queen should be ?
Posted: Wed Jul 27, 2016 2:06 pm
by George
yurikvelo wrote:SF-dev, 100+MN per move (at some unstable moves 300...500...2500 MN)
[pgn]
[Event "Computer chess game"]
[Date "2016.07.27"]
[White "Stockfish_16072409"]
[Black "Stockfish_16072409"]
[SetUp "1"]
[FEN "2bqkbnr/ppp1p1pp/8/8/8/8/PPPPPPPP/RNB1KBNR w KQk - 0 1"]
1. Nf3 Nf6 2. e3 Bg4 3. d3 Bxf3 4. gxf3 Qd5 5. Nd2 Nd7 6. Ne4 Qc6 7. c4 g6
8. Be2 Qb6 9. Bd2 Bg7 10. Rb1 O-O 11. O-O Nc5 12. Nc3 g5 13. Rfd1 Qh6 *
[/pgn]
=0.00
On 11. ..Nc5 eval is up to +0.67, but at some D suddenly drops
White win with the extra pawn, but do NOT play just a few moves let your engine play the entire game at time control of 30 minutes.
Re: What do you think the value of the Queen should be ?
Posted: Wed Jul 27, 2016 2:10 pm
by yurikvelo
George wrote:White win with the extra pawn, but do NOT play just a few moves let your engine play the entire game at time control of 30 minutes.
can you provide example of winning PGN?
Re: What do you think the value of the Queen should be ?
Posted: Wed Jul 27, 2016 2:36 pm
by Lyudmil Tsvetkov
George wrote:Lyudmil Tsvetkov wrote:White simply wins.
You can not separate eval factors from one another, there is a big bunch of 15-20 queen-value-related terms that play a role here.
Probably you found out by now, but what if I give you this even position with Black side to start the game on autoplay ? But first try to guess which side will win this time ?
[D]2bqkbnr/ppppp1pp/8/8/8/8/PPPPPPPP/RNB1KBNR b KQk - 0 1 [D]
f7 is an important pawn, it also affects black king safety, but, with black on the move, I hesitate between draw and white wins.
In any case, white has an advantage.
Re: What do you think the value of the Queen should be ?
Posted: Wed Jul 27, 2016 4:20 pm
by George
Lyudmil Tsvetkov wrote:George wrote:Lyudmil Tsvetkov wrote:White simply wins.
You can not separate eval factors from one another, there is a big bunch of 15-20 queen-value-related terms that play a role here.
Probably you found out by now, but what if I give you this even position with Black side to start the game on autoplay ? But first try to guess which side will win this time ?
[D]2bqkbnr/ppppp1pp/8/8/8/8/PPPPPPPP/RNB1KBNR b KQk - 0 1 [D]
f7 is an important pawn, it also affects black king safety, but, with black on the move, I hesitate between draw and white wins.
In any case, white has an advantage.
I let Stockfish play it out at 60 minutes per side and it ended in a draw after the 50 moves rule the game ended with 138 moves .
Re: What do you think the value of the Queen should be ?
Posted: Wed Jul 27, 2016 4:32 pm
by Lyudmil Tsvetkov
George wrote:Lyudmil Tsvetkov wrote:George wrote:Lyudmil Tsvetkov wrote:White simply wins.
You can not separate eval factors from one another, there is a big bunch of 15-20 queen-value-related terms that play a role here.
Probably you found out by now, but what if I give you this even position with Black side to start the game on autoplay ? But first try to guess which side will win this time ?
[D]2bqkbnr/ppppp1pp/8/8/8/8/PPPPPPPP/RNB1KBNR b KQk - 0 1 [D]
f7 is an important pawn, it also affects black king safety, but, with black on the move, I hesitate between draw and white wins.
In any case, white has an advantage.
I let Stockfish play it out at 60 minutes per side and it ended in a draw after the 50 moves rule the game ended with 138 moves .
who had positive score at the start and later in the game?