Author: Roman Hartmann
Date: 08:02:06 02/15/06
Go up one level in this thread
On February 15, 2006 at 10:02:11, David B Weller wrote:
>rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR w KQkq - 00 a<a<
> 2 0 0 22 d2d4 d7d5
> 3 23 0 197 d2d4 d7d5 g2g3
> 4 0 0 1313 d2d4 d7d5 g2g3 g7g6
> 4 1 1 2251 e2e4 d7d5 b1c3 g8f6
> 5 14 5 8903 e2e4 d7d5 e4d5 d8d5 b1c3
> 5 22 6 12110 d2d4 d7d5 b1c3 g7g6 g2g3
> 6 0 25 46835 d2d4 d7d5 b1c3 b8c6 g2g3 g7g6
> 6 9 43 80554 e2e4 d7d5 e4d5 d8d5 b1c3 d5d4
> 7 26 203 371689 e2e4 d7d5 e4d5 d8d5 b1c3 d5e5 f1e2
> 8 9 1073 2025565 e2e4 b8c6 g1f3 g8f6 e4e5 f6g4 d2d4 d7d5
>move e2e4
>
>no hash
>no pvs
>no aspiration
>no null move
>no history pruning
>no delta pruning
>no futility pruning
>
>Thank you all for your help!
in both cases no hash, no pruning (beside null move in the 2nd case) and no QS.
No Nullmove, no QS
roce: analyze
depth nodes score time best line
1 20 0.25 0.06 Nc3
2 79 0.00 0.14 Nc3 Nc6
3 604 0.25 0.22 Nc3 Nc6 e4
4 2051 0.00 0.32 Nc3 Nc6 e4 Nf6
5 26474 1.04 0.42 e4 e6 Bc4 Nc6 Bxe6
6 199238 -0.73 0.74 Na3 e6 Nc4 Bc5 e4 Bxf2+
7 945298 0.95 1.59 Nc3 e6 e4 Bb4 Nb5 Nc6 Nxc7+
8 5637122 -0.77 12.12 e4 d5 Nc3 d5xe4 Nxe4 Qd5 Nc3 Qxd2+
9 30804383 1.00 45.76 Nc3 e6 e3 Nf6 Qf3 Nd5 Ne2 Ne7 Qxf7+
with Nullmove, no QS
roce: analyze
depth nodes score time best line
1 20 0.25 0.00 Nc3
2 79 0.00 0.00 Nc3 Nf6
3 243 0.25 0.00 Nc3 Nf6 e4
4 1020 0.00 0.00 Nc3 Nf6 Nf3 d5
5 2904 0.25 0.01 Nc3 Nf6 Nf3 Nc6 e4
6 14606 -0.13 0.03 Nc3 Nf6 Nf3 Nc6 d3 d5
7 55899 0.31 0.08 Nc3 Nf6 Nf3 d5 e4 d5xe4 Nxe4
8 222564 -0.06 0.32 Nc3 Nf6 Nf3 d5 e4 Nc6 e4xd5 Nxd5
9 1106121 0.31 1.88 Nc3 Nf6 Nf3 d5 d4 Nc6 e4 d5xe4 Nxe4
10 5410647 -0.09 7.42 e4 e5 Nf3 Nc6 d4 e5xd4 Nxd4 Bb4+ Ke2
Nxd4+ Qxd4 Nf6
11 41160942 0.31 56.11 Nf3 d5 d4 Be6 Nc3 Nc6 e4 d5xe4 Nxe4
Nf6 Bf4
so Nullmove helps quite a lot.
Roman
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