Werner wrote:Here is a short game with Critter 0.52 x64.
Have a look at move 8....Bxf3?
[D]r3k2r/2p2ppp/p1n5/1pb1P3/4B1b1/2p2N2/PP3PPP/R1BR2K1 b kq - 0 8
Hm, very strange, I dont remember changing anything related to gameplay, but here seems 0.52b analysis differs from 0.52a
Critter 0.52
b 32-bit:
Code: Select all
2/5 00:00 2.681 -3,07 Bg4xf3 g2xf3 Bc5xf2+ Kg1xf2
2/5 00:00 2.784 -0,86 Bg4d7 b2xc3
3/4 00:00 3.193 -0,67 Bg4d7 b2xc3 OOO
4/5 00:00 3.997 -0,72 Bg4d7 b2xc3 OOO Ra1b1
5/6 00:00 6.625 -0,56 Bg4d7 b2xc3 OOO a2a4 Bd7e6
6/7 00:00 9.556 -0,56 Bg4d7 b2xc3 OOO a2a4 Bd7e6 Rd1xd8+ Nc6xd8
7/12 00:00 29.214 -0,73 Bg4d7 Nf3g5 Rh8f8 b2xc3 h7h5 Ra1b1 OOO
8/11 00:00 46.557 -0,66 Bg4d7 Nf3g5 Bc5e7 b2xc3 Ra8d8 Ng5f3 h7h6 Ra1b1
9/12- 00:00 98.440 -1,05 Bg4d7
9/13 00:00 114.712 -0,85 Bg4d7 Nf3g5 Bc5e7 b2xc3 Be7xg5 Bc1xg5 Ra8b8 f2f4 h7h6 Bg5h4
10/15 00:00 240.673 -0,77 Bg4d7 Rd1d3 OOO Rd3xc3 Bc5b4 Rc3c2 Bd7g4 Bc1f4 Bg4xf3 Be4xf3 Nc6d4
11/15 00:00 399.571 -0,80 Bg4d7 Rd1d3 OOO Rd3xc3 Bc5b4 Rc3c2 Bd7g4 Bc1g5 Bg4xf3 Be4xc6 Rd8d1+ Ra1xd1 Bf3xd1 Rc2c1
12/20 00:01 1.418.216 -0,48 Bg4d7 b2xc3 OOO Bc1f4 Nc6e7 Nf3g5 Bd7e6 Rd1xd8+ Rh8xd8 Ng5xe6 f7xe6 Be4xh7 Rd8f8 Bf4g3
13/17 00:02 2.050.372 -0,49 Bg4d7 b2xc3 OOO Bc1f4 Nc6e7 Nf3g5 Bd7e6 Rd1xd8+ Rh8xd8 Ng5xe6 f7xe6 Be4xh7 Rd8f8 Bf4g3 g7g5
14/20 00:04 3.708.903 -0,50 Bg4d7 b2xc3 OOO Bc1f4 Nc6e7 Nf3g5 Bd7e6 Rd1xd8+ Rh8xd8 Ng5xe6 f7xe6 Be4xh7 Ne7d5 Bf4d2 Kc8d7 Bh7g6
Critter 0.52 32-bit:
Code: Select all
2/5 00:00 2.681 -3,07 Bg4xf3 g2xf3 Bc5xf2+ Kg1xf2
2/5 00:00 2.784 -0,86 Bg4d7 b2xc3
3/4 00:00 3.193 -0,67 Bg4d7 b2xc3 OOO
3/5 00:00 3.907 -0,18 Bg4xf3 Be4xf3 OOO Rd1xd8+ Nc6xd8
4/8 00:00 5.377 +0,24 Bg4xf3 g2xf3 OOO Rd1xd8+ Nc6xd8 b2xc3
5/9 00:00 7.241 +0,46 Bg4xf3 g2xf3 OOO Rd1xd8+ Nc6xd8 b2xc3 Kc8d7
6/10 00:00 10.742 +0,32 Bg4xf3 g2xf3 OOO Rd1xd8+ Nc6xd8 b2xc3 Rh8e8 f3f4
7/12 00:00 16.895 +0,28 Bg4xf3 g2xf3 OOO Rd1xd8+ Nc6xd8 b2xc3 Rh8e8 f3f4 f7f6
8/13 00:00 27.871 +0,51 Bg4xf3 g2xf3 OOO Rd1xd8+ Nc6xd8 b2xc3 Rh8e8 f3f4 f7f6 a2a4
9/14 00:00 48.001 +0,48 Bg4xf3 g2xf3 OOO Rd1xd8+ Nc6xd8 b2xc3 Rh8e8 Be4f5+ Kc8b7 f3f4 g7g6 Bf5e4+ Kb7b6
10/15 00:00 91.379 +0,25 Bg4xf3 g2xf3 OOO Rd1xd8+ Nc6xd8 b2xc3 Rh8e8 Be4f5+ Kc8b8 f3f4 g7g6 Bf5d7 Re8e7
11/17 00:00 214.993 +0,34 Bg4xf3 g2xf3 OOO Rd1xd8+ Nc6xd8 b2xc3 Rh8e8 Be4f5+ Kc8b7 f3f4 g7g6 Bf5e4+ Kb7b6 Kg1g2 f7f6
12/19 00:00 451.743 +0,08 Bg4xf3 g2xf3 OOO Rd1xd8+ Nc6xd8 b2xc3 Rh8e8 f3f4 g7g6 a2a4 f7f6 Be4d3 b5xa4 Ra1xa4 f6xe5
13/19 00:01 915.298 +0,07 Bg4xf3 g2xf3 OOO Rd1xd8+ Nc6xd8 b2xc3 Rh8e8 f3f4 g7g6 a2a4 f7f6 a4xb5 a6xb5 Be4d3 f6xe5
14/21 00:02 1.841.999 +0,13 Bg4xf3 g2xf3 OOO Rd1xd8+ Nc6xd8 b2xc3 f7f6 e5xf6 g7xf6 a2a4 Kc8d7 Be4d3 Kd7c6 Bd3e4+ Kc6b6 a4xb5 a6xb5
15/21 00:03 3.349.350 +0,13 Bg4xf3 g2xf3 OOO Rd1xd8+ Nc6xd8 b2xc3 f7f6 e5xf6 g7xf6 a2a4 Kc8d7 a4xb5 a6xb5 Kg1f1 Bc5d6 f3f4 Nd8e6
This looks like in 0.52a something goes wrong with hashing. But the sources are absolutely intentical except UCI handling & time managment code. I guess it was some comiler/optimization related glitch.
Edit: note that after Bxf3 gxf3 the castling move shown in PV is illegal (!)
Richard