Superior tactics flow from a superior position, but you have to earn that first. The minimum is to avoid bad positions and do somewhat useful moves. That is, in real games - as opposed to arbitrary test positions.
The pawn eval is nearly for free even if you put in quite some knowledge. That's what the pawn hash table is for.
Computer opening
Moderators: hgm, Rebel, chrisw
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Re: Computer opening
WAC test does not measure tactical ability of engines.Henk wrote:If I add more knowledge to evaluation it scores less on the WAC test. That means it would perform worse tactically. And tactics are very important in chess.
a lot of tactics is not about sacrifices and test suites are full of sacrifices.
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Re: Computer opening
Something else.. did you profile your engine? What is the percentage of static eval?
Just some numbers here: I ran GCC with gprof, and I got 13.66% for static eval. That has to be corrected because the profiler function itself takes 42.59% of the time, and if I subtract that, static eval takes 24% of the real program time.
Imagine I would put in a lot of additional stuff in static eval, let's say I would double its time, then what? The total program execution would raise by a factor of 1.24, obviously. Assuming 50 ELO per speed doubling, which is reasonable at that playing strength, that would cost 16 ELO points, tactically.
Now with doubling static eval, you certainly can put in more than 16 ELO. Engines don't get to depth by a bean counter static eval, but by cutting down the search tree in sophisticated ways.
Just some numbers here: I ran GCC with gprof, and I got 13.66% for static eval. That has to be corrected because the profiler function itself takes 42.59% of the time, and if I subtract that, static eval takes 24% of the real program time.
Imagine I would put in a lot of additional stuff in static eval, let's say I would double its time, then what? The total program execution would raise by a factor of 1.24, obviously. Assuming 50 ELO per speed doubling, which is reasonable at that playing strength, that would cost 16 ELO points, tactically.
Now with doubling static eval, you certainly can put in more than 16 ELO. Engines don't get to depth by a bean counter static eval, but by cutting down the search tree in sophisticated ways.
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Re: Computer opening
Code: Select all
Depth Value Time(seconds) Nodes
280 0.0400 47.22 11859293 b1c3 e7e6 e2e3 g8f6 g1f3 f8b4 f1e2 e8g8 e1g1 b8c6 a2a3
270 0.1100 32.01 8273101 g1f3 e7e6 e2e3 g8f6 f1b5 a7a6 b5e2 f8b4 a2a3 b4a5 e1g1
260 0.0700 51.06 12834472 e2e3 e7e6 g1f3 g8f6 f1e2 f8b4 a2a3 b4e7 b1c3 e8g8 e1g1
250 0.0600 18.87 4816415 e2e3 e7e6 g1f3 g8f6 f1e2 f8b4 a2a3 b4e7 d2d4 e8g8 e1g1
240 0.0000 25.06 6355205 e2e3 e7e6 b1c3 g8f6 g1f3 f8b4 f1e2 b7b6 e1g1 e8g8 f3g5
230 0.1100 4.14 1049861 e2e3 e7e6 b1c3 g8f6 g1f3 b8c6 f1b5 f8b4 e1g1 e8g8 f3g5
220 0.1400 10.73 2182208 b1c3 e7e6 e2e3 g8f6 g1f3 b8c6 f1b5 f8b4 e1g1 e8g8 f3g5
210 0.0200 4.87 1237332 e2e3 e7e6 b1c3 g8f6 g1f3 b8c6 f1b5 f8e7 a2a3 e8g8 e1g1
200 0.0800 6.65 1772814 d2d4 e7e6 g1f3 b8c6 e2e3 g8f6 f1d3 f8e7 e1g1 e8g8
190 0.0500 2.59 592496 g1f3 e7e6 b1c3 g8f6 e2e3 f8b4 a2a3 b4c3 b2c3 e8g8 f3e5
180 0.1000 2.66 641387 a2a3 e7e6 e2e3 b8c6 b1c3 g8f6 b2b3 b7b6 g1f3
170 0.0400 0.90 247690 b1c3 e7e6 e2e3 g8f6 g1f3 f8b4 f1c4 d7d5 c4b5
160 0.0600 0.89 237314 e2e4 e7e6 d2d4 g8f6 c1g5 d7d6 f1b5 c8d7 b5f1
150 0.0800 0.38 64151 b1c3 e7e6 e2e3 b8c6 g1f3 g8f6 d2d4 b7b6
140 0.1200 0.10 27097 g1f3 e7e6 e2e3 b8c6 b1c3 g8f6 d2d4
130 0.0500 0.12 31552 b1c3 e7e6 e2e3 b8c6 g1f3 g8f6 d2d4
120 0.0600 0.06 17482 d2d4 e7e6 e2e3 b8c6 b1c3 g8f6
110 0.0800 0.03 8452 b1c3 e7e6 e2e3 b8c6 g1f3 g8f6
100 0.1200 0.01 4435 g1f3 e7e6 e2e3 b8c6 b1c3
90 0.0700 0.02 4398 b1c3 e7e6 e2e3 b8c6 g1f3
80 0.0200 0.02 3125 d2d4 e7e6 e2e3 b8c6
70 0.0100 0.01 3290 a2a3 g8f6 e2e3 e7e6
60 0.1000 0.00 504 e2e3 e7e6 b1c3
50 0.1800 0.00 508 b1c3 e7e6 e2e3
40 0.0000 0.00 193 e2e3 e7e6
30 0.0200 0.01 328 d2d3 e7e6
20 0.2400 0.00 51 e2e3
10 0.1900 0.04 45 g1f3
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Re: Computer opening
Pretty good depth but very strange pv , and strange moves choix : d3 e3 a3 lol
Isa download :
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Re: Computer opening
Code: Select all
Depth Value Time(seconds) Nodes
380 0.0700 122.14 64252425 d2d4 g8f6 e2e3 e7e6 b1c3 d7d5
370 0.1200 59.89 34444240 d2d4 d7d5 e2e3 e7e6 g1f3 f8b4 c2c3 b4d6
360 0.0400 34.21 22272496 e2e3 e7e6 d2d4 g8f6 b1c3 d7d6
350 0.1200 8.37 5601124 e2e4 e7e5 b1c3 d7d6 d2d4 e5d4 d1d4 b8c6
340 0.2200 19.02 13348820 e2e4 d7d5 e4d5 d8d5 b1c3 d5e5 f1e2 e5g5 c3b5 b8a6
330 0.0900 9.37 5669038 d2d4 d7d5 e2e3 e7e6 f1b5 c8d7 b5d7 b8d7 g1h3 f8b4 b1c3 b4c3 b2c3 c7c6
320 0.0300 4.00 2815710 e2e4 d7d5 e4d5 d8d5 b1c3 d5e5 f1e2 e5g5 c3b5
310 0.1000 1.50 1178743 e2e4 d7d5 e4d5 d8d5 b1c3 d5e5 f1e2 e5g5 e2b5 b8c6 b5f1 g5f4
300 0.2400 5.72 3873470 e2e4 d7d5 e4d5 d8d5 b1c3 d5e5 f1e2 e7e6 d2d4 e5d6
290 0.1000 0.61 441762 e2e3 e7e6 a2a4 d7d5 b2b3 f8c5
280 0.0200 1.46 1046600 e2e3 e7e6 a2a4 d7d6 d2d4 d6d5
270 0.1600 0.11 76580 d2d4 d7d5 e2e3 e7e6 f1b5 c8d7 b1a3 d7b5 a3b5 a7a6
260 0.1600 0.10 76028 d2d4 d7d5 e2e3 e7e6 f1b5 c8d7 b1a3 d7b5 a3b5 a7a6
250 0.1600 0.20 165191 d2d4 d7d5 e2e3 e7e6 f1b5 c8d7 b1a3 d7b5 a3b5 a7a6
240 0.3400 0.24 196862 d2d4 e7e6 e2e4 f8b4 c2c3 b4a5 b1d2 c7c6
230 0.3400 0.08 59637 d2d4 e7e6 e2e4 f8b4 c2c3 b4a5 b1d2 c7c6
220 0.0000 0.21 109326 d2d4 d7d5 e2e3 e7e6 b1d2 a7a6
210 0.0300 0.08 52156 d2d4 d7d5 e2e3 e7e6 b1d2 a7a6
200 0.0500 0.13 117942 e2e3 e7e6 d2d4 d7d5 b1d2 a7a6
190 0.3600 0.02 9521 d2d4 d7d5 e2e3 c7c6 b1d2 a7a6
180 0.3600 0.02 13563 d2d4 d7d5 e2e3 c7c6 b1d2 a7a6
170 0.3600 0.03 19722 d2d4 d7d5 e2e3 c7c6 b1d2 a7a6
160 0.0000 0.01 9137 d2d4 d7d5 b1c3 c7c6 a1b1 a7a6
150 0.0200 0.01 8150 e2e3 d7d5 b1a3 d5d4 e3d4 d8d4 a1b1
140 0.0900 0.02 13916 d2d4 d7d5 b1c3 c7c6 a1b1
130 1.0200 0.00 1086 e2e3 a7a6 b1a3 a6a5 a1b1
120 1.0800 0.00 1003 e2e4 a7a6 b1a3 a6a5
110 0.9600 0.00 1983 e2e3 a7a6 b1a3 a6a5
100 0.0900 0.00 1055 h2h3 a7a6 b1a3 a6a5
90 0.0800 0.00 614 b2b3 a7a6 b1a3
80 0.0900 0.00 737 d2d3 a7a6 b1d2
70 0.0900 0.00 444 a2a3 a7a6 a1a2
60 0.0900 0.00 374 f2f4 a7a6
50 0.0700 0.00 259 b2b3 a7a6
40 0.0800 0.00 162 b1a3 a7a6
30 0.0900 0.00 88 c2c3
20 0.0900 0.01 49 a2a4
10 0.0900 0.04 45 a2a3
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Re: Computer opening
Code: Select all
Depth Value Time(seconds) Nodes
10 0.0200 90.13 4776753 d2d4 d7d5 e2e3 e7e6 a2a3 a7a6 c2c4 g8h6 g1h3 f8d6
9 0.1300 47.69 2444762 e2e4 d7d5 e4d5 d8d5 d2d4 e7e5 g1f3 d5a5 c2c3
8 0.0200 11.20 553280 d2d4 d7d5 e2e3 e7e6 a2a3 a7a6 c2c4 f8d6
7 0.1100 4.21 230557 e2e4 e7e6 d2d4 d7d5 e4e5 a7a6 a2a3
6 0.0100 0.56 32834 e2e4 e7e6 d2d4 d7d5
5 0.1000 0.20 11387 d2d4 d7d5 e2e3 e7e6 a2a3
4 0.0000 0.10 4962 d2d4 d7d5 e2e3 e7e6
3 0.2200 0.03 1309 d2d4 d7d5 e2e3
2 0.0000 0.02 521 e2e3 e7e6
1 0.3900 0.04 51 e2e3
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Re: Computer opening
Fine positional play: Nc3 Nb1 c3
Code: Select all
Depth Value Time(seconds) Nodes
18 0.0000 23.05 7795318 b1a3 a7a6 g1h3 b7b6 b2b3 g7g6 c2c3 c7c6 g2g3 g8h6 f1g2 b6b5 c1b2 f8g7 e1g1 e8g8 e2e3 e7e6
17 0.0000 75.51 31265394 g1h3 b7b6 b1a3 g8h6 b2b3 a7a6 c1b2 c7c6 g2g3 a6a5 d1b1 h6g4 a3c4 c8b7 b1c1 b6b5 c4a3
16 0.0000 0.93 355529 b1c3 c7c6 c3b1 a7a6 c2c3 a6a5 a2a4 g8h6 b2b3 b7b6 d1c2 g7g6 g2g3 c8b7 c1b2 b6b5
15 0.0000 2.28 1035368 b1c3 c7c6 c3b1 a7a6 c2c3 a6a5 a2a4 g8h6 b2b3 b7b6 d1c2 g7g6 g2g3 c8b7 c1b2
14 0.0000 0.03 19766 b1a3 c7c6 c2c3 g7g6 g2g3 a7a6 d1c2 a6a5 f1g2 b7b6 g1f3 c8a6 b2b3 a6b7
13 0.0000 0.05 22008 b1a3 c7c6 c2c3 g7g6 g2g3 a7a6 d1c2 a6a5 f1g2 b7b6 g1f3 c8a6 b2b3
12 0.0000 0.03 13809 b1a3 c7c6 c2c3 g7g6 g2g3 a7a6 d1c2 a6a5 f1g2 a5a4 g1f3 b7b6
11 0.0000 0.03 12541 b1a3 c7c6 c2c3 g7g6 g2g3 a7a6 d1c2 a6a5 f1g2 a5a4 g1f3
10 0.0000 0.01 6443 b1a3 c7c6 c2c3 g7g6 g2g3 a7a6 d1c2 a6a5 f1g2 a5a4
9 0.0000 0.02 3712 b1a3 c7c6 c2c3 g7g6 g2g3 a7a6 d1c2 a6a5 f1g2
8 0.0000 0.01 2337 b1a3 c7c6 c2c3 g7g6 g2g3 a7a6 d1c2 a6a5
7 0.0000 0.00 620 b1a3 c7c6 c2c3 g7g6 g2g3 a7a6 d1c2
6 0.0000 0.00 567 b1a3 c7c6 c2c3 g7g6 g2g3 a7a6
5 0.0000 0.00 539 b1a3 c7c6 c2c3 g7g6 g2g3
4 0.0000 0.00 355 c2c3 c7c6 g2g3 g7g6
3 0.1200 0.01 296 c2c3 c7c6 g2g3
2 0.0000 0.00 244 c2c3 c7c6
1 0.1200 0.04 43 c2c3
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Re: Computer opening
Code: Select all
Depth Value Time(seconds) Nodes
28 0.0000 0.53 218101 b1a3 c7c6 c2c3 g7g6 g2g3 a7a6 d1c2 a6a5 f1g2 f8h6 g1f3 g8f6 a1b1 b7b6 e1g1 e8g8 c3c4 h6g7 e2e3 e7e6 f3g5 a5a4 b1a1 f6g4 g5f3 c6c5 a1b1 g4f6
27 0.0000 0.29 154916 b1a3 c7c6 c2c3 g7g6 g2g3 a7a6 d1c2 a6a5 f1g2 f8h6 g1f3 g8f6 a1b1 b7b6 e1g1 e8g8 c3c4 h6g7 e2e3 e7e6 f3g5 a5a4 b1a1 f6g4 g5f3 c6c5 a1b1
26 0.0000 50.70 20874111 b1a3 c7c6 c2c3 g7g6 g2g3 a7a6 d1c2 a6a5 f1g2 f8h6 g1f3 g8f6 a1b1 b7b6 e1g1 e8g8 c3c4 h6g7 e2e3 e7e6 f3g5 a5a4 b1a1 f6g4 g5f3 c6c5
25 0.0000 0.09 60718 b1a3 c7c6 c2c3 g7g6 g2g3 a7a6 d1c2 a6a5 f1g2 b7b6 g1f3 c8a6 b2b3 h7h6 c1b2 f8g7 b2c1 h6h5 c1b2 g7f6 b2c1 f6g7 c1b2 g7f6 b2c1 f6g7
24 0.0000 0.50 302009 b1a3 c7c6 c2c3 g7g6 g2g3 a7a6 d1c2 a6a5 f1g2 b7b6 g1f3 c8a6 b2b3 h7h6 c1b2 f8g7 b2c1 h6h5 c1b2 g7f6 b2c1 f6g7 c1b2 g7f6 b2c1
23 0.0000 0.09 32054 b1a3 c7c6 c2c3 g7g6 g2g3 a7a6 d1c2 a6a5 f1g2 b7b6 g1f3 c8a6 b2b3 h7h6 c1b2 h6h5 b2c1 d8c7 c1b2 c7d6 b2c1 d6c5 c1b2
22 0.0000 0.09 29663 b1a3 c7c6 c2c3 g7g6 g2g3 a7a6 d1c2 a6a5 f1g2 b7b6 g1f3 c8a6 b2b3 h7h6 c1b2 h6h5 b2c1 d8c7 c1b2 c7d6 b2c1 a6b7
21 0.0000 0.06 21695 b1a3 c7c6 c2c3 g7g6 g2g3 a7a6 d1c2 a6a5 f1g2 b7b6 g1f3 c8a6 b2b3 h7h6 c1b2 h6h5 b2c1 d8c7 c1b2 c7d6 b2c1
20 0.0000 0.04 15295 b1a3 c7c6 c2c3 g7g6 g2g3 a7a6 d1c2 a6a5 f1g2 b7b6 g1f3 c8a6 b2b3 h7h6 c1b2 h6h5 b2c1 d8c7 c1b2 a6b7
19 0.0000 0.03 19461 b1a3 c7c6 c2c3 g7g6 g2g3 a7a6 d1c2 a6a5 f1g2 b7b6 g1f3 c8a6 b2b3 h7h6 c1b2 h6h5 b2c1 d8c7 c1b2
18 0.0000 0.02 11379 b1a3 c7c6 c2c3 g7g6 g2g3 a7a6 d1c2 a6a5 f1g2 b7b6 g1f3 c8a6 b2b3 h7h6 c1b2 h6h5 b2c1 a6b7
17 0.0000 0.03 16312 b1a3 c7c6 c2c3 g7g6 g2g3 a7a6 d1c2 a6a5 f1g2 b7b6 g1f3 c8a6 b2b3 h7h6 c1b2 h6h5 b2c1
16 0.0000 0.01 7267 b1a3 c7c6 c2c3 g7g6 g2g3 a7a6 d1c2 a6a5 f1g2 b7b6 g1f3 c8a6 b2b3 h7h6 c1b2 a6b7
15 0.0000 0.01 5126 b1a3 c7c6 c2c3 g7g6 g2g3 a7a6 d1c2 a6a5 f1g2 b7b6 g1f3 c8a6 b2b3 h7h6 c1b2
14 0.0000 0.01 3206 b1a3 c7c6 c2c3 g7g6 g2g3 a7a6 d1c2 a6a5 f1g2 b7b6 g1f3 c8a6 b2b3 a6b7
13 0.0000 0.02 3666 b1a3 c7c6 c2c3 g7g6 g2g3 a7a6 d1c2 a6a5 f1g2 b7b6 g1f3 c8a6 b2b3
12 0.0000 0.00 1073 b1a3 c7c6 c2c3 g7g6 g2g3 a7a6 d1c2 a6a5 f1g2 a5a4 g1f3 b7b6
11 0.0000 0.00 762 b1a3 c7c6 c2c3 g7g6 g2g3 a7a6 d1c2 a6a5 f1g2 a5a4 g1f3
10 0.0000 0.00 588 b1a3 c7c6 c2c3 g7g6 g2g3 a7a6 d1c2 a6a5 f1g2 a5a4
9 0.0000 0.00 453 b1a3 c7c6 c2c3 g7g6 g2g3 a7a6 d1c2 a6a5 f1g2
8 0.0000 0.00 421 b1a3 c7c6 c2c3 g7g6 g2g3 a7a6 d1c2 a6a5
7 0.0000 0.00 466 b1a3 c7c6 c2c3 g7g6 g2g3 a7a6 d1c2
6 0.0000 0.00 627 b1a3 c7c6 c2c3 g7g6 g2g3 a7a6
5 0.0000 0.00 539 b1a3 c7c6 c2c3 g7g6 g2g3
4 0.0000 0.00 1427 c2c3 c7c6 g2g3 g7g6
3 0.1200 0.01 296 c2c3 c7c6 g2g3
2 0.0000 0.00 244 c2c3 c7c6
1 0.1200 0.04 43 c2c3
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Re: Computer opening
Na3 the best move ? WTF ?Henk wrote:Code: Select all
Depth Value Time(seconds) Nodes 28 0.0000 0.53 218101 b1a3 c7c6 c2c3 g7g6 g2g3 a7a6 d1c2 a6a5 f1g2 f8h6 g1f3 g8f6 a1b1 b7b6 e1g1 e8g8 c3c4 h6g7 e2e3 e7e6 f3g5 a5a4 b1a1 f6g4 g5f3 c6c5 a1b1 g4f6 27 0.0000 0.29 154916 b1a3 c7c6 c2c3 g7g6 g2g3 a7a6 d1c2 a6a5 f1g2 f8h6 g1f3 g8f6 a1b1 b7b6 e1g1 e8g8 c3c4 h6g7 e2e3 e7e6 f3g5 a5a4 b1a1 f6g4 g5f3 c6c5 a1b1 26 0.0000 50.70 20874111 b1a3 c7c6 c2c3 g7g6 g2g3 a7a6 d1c2 a6a5 f1g2 f8h6 g1f3 g8f6 a1b1 b7b6 e1g1 e8g8 c3c4 h6g7 e2e3 e7e6 f3g5 a5a4 b1a1 f6g4 g5f3 c6c5 25 0.0000 0.09 60718 b1a3 c7c6 c2c3 g7g6 g2g3 a7a6 d1c2 a6a5 f1g2 b7b6 g1f3 c8a6 b2b3 h7h6 c1b2 f8g7 b2c1 h6h5 c1b2 g7f6 b2c1 f6g7 c1b2 g7f6 b2c1 f6g7 24 0.0000 0.50 302009 b1a3 c7c6 c2c3 g7g6 g2g3 a7a6 d1c2 a6a5 f1g2 b7b6 g1f3 c8a6 b2b3 h7h6 c1b2 f8g7 b2c1 h6h5 c1b2 g7f6 b2c1 f6g7 c1b2 g7f6 b2c1 23 0.0000 0.09 32054 b1a3 c7c6 c2c3 g7g6 g2g3 a7a6 d1c2 a6a5 f1g2 b7b6 g1f3 c8a6 b2b3 h7h6 c1b2 h6h5 b2c1 d8c7 c1b2 c7d6 b2c1 d6c5 c1b2 22 0.0000 0.09 29663 b1a3 c7c6 c2c3 g7g6 g2g3 a7a6 d1c2 a6a5 f1g2 b7b6 g1f3 c8a6 b2b3 h7h6 c1b2 h6h5 b2c1 d8c7 c1b2 c7d6 b2c1 a6b7 21 0.0000 0.06 21695 b1a3 c7c6 c2c3 g7g6 g2g3 a7a6 d1c2 a6a5 f1g2 b7b6 g1f3 c8a6 b2b3 h7h6 c1b2 h6h5 b2c1 d8c7 c1b2 c7d6 b2c1 20 0.0000 0.04 15295 b1a3 c7c6 c2c3 g7g6 g2g3 a7a6 d1c2 a6a5 f1g2 b7b6 g1f3 c8a6 b2b3 h7h6 c1b2 h6h5 b2c1 d8c7 c1b2 a6b7 19 0.0000 0.03 19461 b1a3 c7c6 c2c3 g7g6 g2g3 a7a6 d1c2 a6a5 f1g2 b7b6 g1f3 c8a6 b2b3 h7h6 c1b2 h6h5 b2c1 d8c7 c1b2 18 0.0000 0.02 11379 b1a3 c7c6 c2c3 g7g6 g2g3 a7a6 d1c2 a6a5 f1g2 b7b6 g1f3 c8a6 b2b3 h7h6 c1b2 h6h5 b2c1 a6b7 17 0.0000 0.03 16312 b1a3 c7c6 c2c3 g7g6 g2g3 a7a6 d1c2 a6a5 f1g2 b7b6 g1f3 c8a6 b2b3 h7h6 c1b2 h6h5 b2c1 16 0.0000 0.01 7267 b1a3 c7c6 c2c3 g7g6 g2g3 a7a6 d1c2 a6a5 f1g2 b7b6 g1f3 c8a6 b2b3 h7h6 c1b2 a6b7 15 0.0000 0.01 5126 b1a3 c7c6 c2c3 g7g6 g2g3 a7a6 d1c2 a6a5 f1g2 b7b6 g1f3 c8a6 b2b3 h7h6 c1b2 14 0.0000 0.01 3206 b1a3 c7c6 c2c3 g7g6 g2g3 a7a6 d1c2 a6a5 f1g2 b7b6 g1f3 c8a6 b2b3 a6b7 13 0.0000 0.02 3666 b1a3 c7c6 c2c3 g7g6 g2g3 a7a6 d1c2 a6a5 f1g2 b7b6 g1f3 c8a6 b2b3 12 0.0000 0.00 1073 b1a3 c7c6 c2c3 g7g6 g2g3 a7a6 d1c2 a6a5 f1g2 a5a4 g1f3 b7b6 11 0.0000 0.00 762 b1a3 c7c6 c2c3 g7g6 g2g3 a7a6 d1c2 a6a5 f1g2 a5a4 g1f3 10 0.0000 0.00 588 b1a3 c7c6 c2c3 g7g6 g2g3 a7a6 d1c2 a6a5 f1g2 a5a4 9 0.0000 0.00 453 b1a3 c7c6 c2c3 g7g6 g2g3 a7a6 d1c2 a6a5 f1g2 8 0.0000 0.00 421 b1a3 c7c6 c2c3 g7g6 g2g3 a7a6 d1c2 a6a5 7 0.0000 0.00 466 b1a3 c7c6 c2c3 g7g6 g2g3 a7a6 d1c2 6 0.0000 0.00 627 b1a3 c7c6 c2c3 g7g6 g2g3 a7a6 5 0.0000 0.00 539 b1a3 c7c6 c2c3 g7g6 g2g3 4 0.0000 0.00 1427 c2c3 c7c6 g2g3 g7g6 3 0.1200 0.01 296 c2c3 c7c6 g2g3 2 0.0000 0.00 244 c2c3 c7c6 1 0.1200 0.04 43 c2c3
Lol let's try to add some center knowledges in poor skipper!
Isa download :