FB 1.01 default again flexes some muscle over its predecessor --
Analysis by FireBird 1.01 x64:
1.Bxf7+ Kxf7 2.Bxf4
= (-0.19 !) Depth: 19 00:00:10 53782kN
Test position - interesting sac
Moderator: Ras
-
zullil
- Posts: 6442
- Joined: Tue Jan 09, 2007 12:31 am
- Location: PA USA
- Full name: Louis Zulli
Re: Test position - interesting sac
Crafty finds it too, but not very quickly!jdart wrote:from a recent ICC game:
[d] rnbqk2r/pp1pbppp/2p5/8/2BP1p2/2P5/P1P1N1PP/R1BQ1RK1 w kq -
bm Bxf7+. PV Bxf7+ Kxf7 Nxf4 Kg8 Nh5! d5 Qf3 +-
--Jon
Code: Select all
Crafty v23.1 (8 cpus)
White(1): setboard rnbqk2r/pp1pbppp/2p5/8/2BP1p2/2P5/P1P1N1PP/R1BQ1RK1 w kq -
White(1): hash=2048M
hash table memory = 2048M bytes.
White(1): st 3600
search time set to 3600.00.
White(1): display stats
display statistics at end of each search.
White(1): display
+---+---+---+---+---+---+---+---+
8 |<R>|<N>|<B>|<Q>|<K>| . | |<R>|
+---+---+---+---+---+---+---+---+
7 |<P>|<P>| . |<P>|<B>|<P>|<P>|<P>|
+---+---+---+---+---+---+---+---+
6 | | . |<P>| . | | . | | . |
+---+---+---+---+---+---+---+---+
5 | . | | . | | . | | . | |
+---+---+---+---+---+---+---+---+
4 | | . |-B-|-P-| |<P>| | . |
+---+---+---+---+---+---+---+---+
3 | . | |-P-| | . | | . | |
+---+---+---+---+---+---+---+---+
2 |-P-| . |-P-| . |-N-| . |-P-|-P-|
+---+---+---+---+---+---+---+---+
1 |-R-| |-B-|-Q-| . |-R-|-K-| |
+---+---+---+---+---+---+---+---+
a b c d e f g h
White(1): go
time limit 60:00 (+0.00) (60:00)
depth time score variation (1)
starting thread 1
starting thread 2
starting thread 3
starting thread 4
starting thread 5
starting thread 6
starting thread 7
9-> 0.06 -0.36 1. Nxf4 O-O 2. Bd3 d5 3. Re1 Nd7 4.
Qh5 Nf6 5. Qg5 (s=2)
10 0.07 -0.52 1. Nxf4 O-O 2. Bd3 d5 3. Re1 Nd7 4.
c4 Nf6 5. cxd5 cxd5
10-> 0.08 -0.52 1. Nxf4 O-O 2. Bd3 d5 3. Re1 Nd7 4.
c4 Nf6 5. cxd5 cxd5
11 0.10 -0.54 1. Nxf4 O-O 2. Bd3 d5 3. Re1 Re8 4.
Qh5 g6 5. Qh6 Bf8 6. Rxe8 Qxe8
11-> 0.11 -0.54 1. Nxf4 O-O 2. Bd3 d5 3. Re1 Re8 4.
Qh5 g6 5. Qh6 Bf8 6. Rxe8 Qxe8
12 0.15 -0.54 1. Nxf4 O-O 2. Bd3 d5 3. Re1 Re8 4.
Qh5 g6 5. Qh6 Bf8 6. Rxe8 Qxe8
12-> 0.18 -0.54 1. Nxf4 O-O 2. Bd3 d5 3. Re1 Re8 4.
Qh5 g6 5. Qh6 Bf8 6. Rxe8 Qxe8
13 0.31 -0.65 1. Nxf4 O-O 2. Bd3 d5 3. Re1 Nd7 4.
c4 dxc4 5. Bxc4 Nb6 6. Bb3 Nd5 7. Bd2
13-> 0.45 -0.65 1. Nxf4 O-O 2. Bd3 d5 3. Re1 Nd7 4.
c4 dxc4 5. Bxc4 Nb6 6. Bb3 Nd5 7. Bd2
(s=2)
14 0.79 -0.68 1. Nxf4 O-O 2. Bd3 d5 3. Re1 Nd7 4.
c4 dxc4 5. Bxc4 Nb6 6. Bb3 Nd5 7. Re5
Bd6
14-> 1.10 -0.68 1. Nxf4 O-O 2. Bd3 d5 3. Re1 Nd7 4.
c4 dxc4 5. Bxc4 Nb6 6. Bb3 Nd5 7. Re5
Bd6
15 1.77 -0.68 1. Nxf4 O-O 2. Bd3 d5 3. Qe2 Nd7 4.
Nh5 Nf6 5. Bf4 Re8 6. Be5 Kh8 7. Nxf6
Bxf6 8. Bxf6 gxf6
15-> 3.88 -0.68 1. Nxf4 O-O 2. Bd3 d5 3. Qe2 Nd7 4.
Nh5 Nf6 5. Bf4 Re8 6. Be5 Kh8 7. Nxf6
Bxf6 8. Bxf6 gxf6 (s=2)
16 5.29 -0.70 1. Nxf4 O-O 2. Bd3 d5 3. Qe2 Na6 4.
Nh5 Bd6 5. Nxg7 Kxg7 6. Qh5 f5 7. Bg5
Be7 8. Bh6+ Kh8 9. Bxf8 Qxf8 10. Bxf5
Bxf5 11. Rxf5
16 10.17 -0.37 1. Bxf4 d5 2. Bd3 O-O 3. Ng3 g6 4.
Qf3 f5 5. Rae1 Na6 6. Re3 Re8 7. Rfe1
Bd7 8. c4 Nb4
16-> 10.17 -0.37 1. Bxf4 d5 2. Bd3 O-O 3. Ng3 g6 4.
Qf3 f5 5. Rae1 Na6 6. Re3 Re8 7. Rfe1
Bd7 8. c4 Nb4 (s=2)
17 13.71 -0.32 1. Bxf4 d5 2. Bd3 O-O 3. Ng3 g6 4.
Qf3 f5 5. c4 Na6 6. c3 Nc7 7. Be5 Re8
8. Rfe1 Bd7 9. Rab1
17-> 15.54 -0.32 1. Bxf4 d5 2. Bd3 O-O 3. Ng3 g6 4.
Qf3 f5 5. c4 Na6 6. c3 Nc7 7. Be5 Re8
8. Rfe1 Bd7 9. Rab1
18 17.60 -0.68 1. Bxf4 d5 2. Bd3 Nd7 3. Ng3 Nf6 4.
Nh5 O-O 5. Qe2 Nxh5 6. Qxh5 g6 7. Qh6
Re8 8. Rae1 Bf8 9. Rxe8 Qxe8
18 45.80 -0.62 1. Nxf4 O-O 2. Bd3 d5 3. Qe2 Na6 4.
Nh5 f5 5. Ng3 g6 6. Re1 Rf7 7. Bh6
Nc7 8. Qf2 Bg5 9. Bxg5 Qxg5 <HT>
18-> 50.09 -0.62 1. Nxf4 O-O 2. Bd3 d5 3. Qe2 Na6 4.
Nh5 f5 5. Ng3 g6 6. Re1 Rf7 7. Bh6
Nc7 8. Qf2 Bg5 9. Bxg5 Qxg5 <HT> (s=4)
19 1:00 -0.62 1. Nxf4 O-O 2. Bd3 d5 3. Qe2 Na6 4.
Bd2 Bd6 5. Qh5 g6 6. Qh6 Re8 7. Nh5
Bf8 8. Nf6+ Qxf6 9. Qxf8+ Kxf8 10.
Rxf6 Bg4 11. Bxa6 bxa6 12. Rxc6 (s=3)
19-> 1:17 -0.62 1. Nxf4 O-O 2. Bd3 d5 3. Qe2 Na6 4.
Bd2 Bd6 5. Qh5 g6 6. Qh6 Re8 7. Nh5
Bf8 8. Nf6+ Qxf6 9. Qxf8+ Kxf8 10.
Rxf6 Bg4 11. Bxa6 bxa6 12. Rxc6 (s=3)
20 1:44 -0.67 1. Nxf4 O-O 2. Bd3 d5 3. Qe2 Na6 4.
Bd2 g6 5. Qf2 Bh4 6. g3 Be7 7. Rae1
Bg4 8. h3 Bc8 9. Re2 Bd6 10. c4 Bxf4
11. Qxf4 Bxh3 (s=2)
20-> 2:26 -0.67 1. Nxf4 O-O 2. Bd3 d5 3. Qe2 Na6 4.
Bd2 g6 5. Qf2 Bh4 6. g3 Be7 7. Rae1
Bg4 8. h3 Bc8 9. Re2 Bd6 10. c4 Bxf4
11. Qxf4 Bxh3 (s=3)
21 3:44 -0.68 1. Nxf4 O-O 2. Bd3 d5 3. Qe2 Na6 4.
Bd2 g6 5. Qf3 Bd6 6. Rae1 Qh4 7. Qf2
Qxf2+ 8. Rxf2 b5 9. Kh1 Bd7 10. a4
Rfe8 11. axb5 Bxf4 12. bxa6 Bxd2 13.
Rxe8+ Rxe8 14. Rxd2 (s=2)
21-> 4:59 -0.68 1. Nxf4 O-O 2. Bd3 d5 3. Qe2 Na6 4.
Bd2 g6 5. Qf3 Bd6 6. Rae1 Qh4 7. Qf2
Qxf2+ 8. Rxf2 b5 9. Kh1 Bd7 10. a4
Rfe8 11. axb5 Bxf4 12. bxa6 Bxd2 13.
Rxe8+ Rxe8 14. Rxd2
22 5:52 -0.69 1. Nxf4 O-O 2. Bd3 d5 3. Qe2 Na6 4.
Bd2 g6 5. Qf3 Bd6 6. Rae1 Qf6 7. Qe2
Qg7 8. Qf3 Nc7 9. Nh3 Bd7 10. Bf4 Qf6
11. Ng5 Nb5 12. Bxd6 Qxf3 13. Rxf3
Nxd6
22 13:57 +1 1. Bxf7+!
22 17:49 +3 1. Bxf7+!
22 21:45 1.86 1. Bxf7+ Kxf7 2. Nxf4 Bf6 3. Nh5 Rf8
4. Bh6 Kg6 5. Be3 Kf7 6. Qg4 Rg8 7.
Bg5 d5 8. Nxf6 Bxg4 9. Nxg8+ Kxg8 10.
Bxd8 Nd7 11. Be7 Be2 12. Rf2 Bc4
22-> 21:45 1.86 1. Bxf7+ Kxf7 2. Nxf4 Bf6 3. Nh5 Rf8
4. Bh6 Kg6 5. Be3 Kf7 6. Qg4 Rg8 7.
Bg5 d5 8. Nxf6 Bxg4 9. Nxg8+ Kxg8 10.
Bxd8 Nd7 11. Be7 Be2 12. Rf2 Bc4
23 30:11 2.03 1. Bxf7+ Kxf7 2. Nxf4 Kg8 3. Nh5 h6
4. Qg4 g5 5. Qf5 Rh7 6. Ba3 d6 7. Qg6+
Kh8 8. Bxd6 Nd7 9. Rae1 Qg8 10. Qxg8+
Kxg8 11. Bxe7 Rf7 12. c4 Rxf1+ 13.
Rxf1 b5 14. cxb5 cxb5
23-> 31:01 2.03 1. Bxf7+ Kxf7 2. Nxf4 Kg8 3. Nh5 h6
4. Qg4 g5 5. Qf5 Rh7 6. Ba3 d6 7. Qg6+
Kh8 8. Bxd6 Nd7 9. Rae1 Qg8 10. Qxg8+
Kxg8 11. Bxe7 Rf7 12. c4 Rxf1+ 13.
Rxf1 b5 14. cxb5 cxb5
24 43:47 2.03 1. Bxf7+ Kxf7 2. Nxf4 Kg8 3. Nh5 h6
4. Qg4 g5 5. Qf5 Rh7 6. Ba3 d6 7. Qg6+
Kh8 8. Bxd6 Nd7 9. Rae1 Qg8 10. Qxg8+
Kxg8 11. Bxe7 Rf7 12. c4 Rxf1+ 13.
Rxf1 b5 14. cxb5 cxb5
24-> 45:05 2.03 1. Bxf7+ Kxf7 2. Nxf4 Kg8 3. Nh5 h6
4. Qg4 g5 5. Qf5 Rh7 6. Ba3 d6 7. Qg6+
Kh8 8. Bxd6 Nd7 9. Rae1 Qg8 10. Qxg8+
Kxg8 11. Bxe7 Rf7 12. c4 Rxf1+ 13.
Rxf1 b5 14. cxb5 cxb5
time=60:00 mat=-2 n=83687507212 fh=71% nps=23.2M
extensions=1474.6M qchecks=3119.6M reduced=860.8M pruned=4071.6M
predicted=0 evals=1274.2M 50move=0 EGTBprobes=0 hits=0
SMP-> splits=10697651 aborts=1827695 data=138/1024 elap=60:00
terminating SMP processes.
White(1): Bxf7+
time used: 60:00