Okay, so I found a problem with the database at the conceptual level. The point of having a back-propagated score and ranking moves based on those scores, is that, no matter what, if you follow the top ranked move you get an out-of-book position for the datababase that is guaranteed to hold a database score that is better than anything else (otherwise, that would have been ranked even higher.)
I was curious about how the database plays against the Italian. For white I used highest frequency of moves played instead of optimal scoring for moves (lest 4.d3!! is optimal and a completely different line is tested.) Black plays top ranked db move.
This is a critical position (database starts after 3.Bc4):
1. e4 e5 2. Nf3 Nc6 3. Bc4!? Nf6 4. Ng5!? d5 5. exd5 Na5 6. Bb5+ c6 7. dxc6 bxc6 8. Be2 h6 9. Nh3 Bc5
10. d3
[d]r1bqk2r/p4pp1/2p2n1p/n1b1p3/8/3P3N/PPP1BPPP/RNBQK2R b KQkq -
Here the query reads:
Code: Select all
Move Score Winrate
Qc7 6 50.45
O-O 5 50.38
Nb7 2 50.15
Bf5 -3 49.77
Equivalent to saying "Qc7 is best with a score of -0.06, playing other moves leads to a position that is -0.05 or worse". Out of database position is expected to be good for black.
Moves continue (black still playing top ranked db moves):
1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Na5 6. Bb5+ c6 7. dxc6 bxc6 8. Be2 h6 9. Nh3 Bc5 10. d3
Qc7 11. O-O O-O 12. Nc3
[d]r1b2rk1/p1q2pp1/2p2n1p/n1b1p3/8/2NP3N/PPP1BPPP/R1BQ1RK1 b - -
Query:
This is equivalent to a -0.03 score, which is worse than the score of 10...O-O (-0.05) of the critical position. Basically, the database now regrets playing 10...Qc7. Ideally, the backsolved score for Qc7 should be lower than the score of 10...O-O, because the database already knows white can play this, making 10...O-O more desirable than 10...Qc7.
Another move:
1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Na5 6. Bb5+ c6 7. dxc6 bxc6 8. Be2 h6 9. Nh3 Bc5 10. d3 Qc7 11. O-O O-O 12. Nc3
Nb7 13. Kh1
[d]r1b2rk1/pnq2pp1/2p2n1p/2b1p3/8/2NP3N/PPP1BPPP/R1BQ1R1K b - -
Query:
Code: Select all
Move Score Winrate
Rd8 0 50.00
Bxh3 -1 49.92
This is equivalent to a score of 0.00. 10.Qc7 would now have a backsolved score of 0, making both 10...O-O and 10...Nb7 (-0.02) more appealing that the top ranked Qc7 (which would now be ranked third on the critical position.)
---------------- END OF POST ----------------
That's all I wanted to say, what follow is my findings on this line for the curious. It ends here:
1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Na5 6. Bb5+ c6 7. dxc6 bxc6 8. Be2 h6 9. Nh3 Bc5 10. d3 Qc7 11. O-O O-O 12. Nc3 Nb7 13. Kh1
r1b2rk1/pnq2pp1/2p2n1p/2b1p3/8/2NP3N/PPP1BPPP/R1BQ1R1K b - -
Full query:
Code: Select all
Move Score Winrate
Rd8 0 50.00
Bxh3 -1 49.92
(2) PV info of top move:
0/3 pv Rd8 Ng1 Bf5
I have 14.Qe1 as... "busting" this black line. I find it curious that the db expects Ng1, since the engine drops it at depth 17:
Depth 31 MultiPV=4
16/23 0:01 +0.05 14.Ng1 Bf5 15.Bd2 Rab8 16.Bf3 Bb6 17.Nge2 Nc5 18.Ng3 Bg6 19.h4 Ne6 20.h5 Bh7 21.Rb1 Nd4 22.Nge4 Nxe4 23.Bxe4 (5.238.962) 2943
16/19 0:01 +0.02 14.Qe1 Bd4 (5.238.962) 2943
16/21 0:01 0.00 14.Bd2 Bd6 15.Ng1 Rb8 16.Qe1 Nc5 17.b3 Ne6 18.Ne4 Nxe4 19.dxe4 Qe7 20.Nf3 Nc5 21.Ba5 Rd7 22.Bd3 Nxd3 23.cxd3 Qf6 (5.238.962) 2943
16/21 0:01 -0.26 14.Bf3 Nd6 15.Qe1 Re8 16.Ng1 Bf5 17.Nge2 e4 18.dxe4 Ndxe4 19.Bf4 Qb7 20.Na4 Bxf2 21.Rxf2 Nxf2+ 22.Qxf2 Bxc2 23.Nc5 Qxb2 24.Rg1 Bf5 (5.238.962) 2943
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17/24 0:03 +0.12 14.Qe1 Bd6 15.f4 Bxh3 16.gxh3 exf4 17.Qh4 Nd5 18.Nxd5 cxd5 19.Bxf4 Qxc2 20.Bh5 Rd7 21.Qg3 Bxf4 22.Qxf4 g6 23.Rab1 Qxd3 24.Qxh6 (9.165.423) 2973
17/25 0:03 -0.03 14.Ng1 e4 15.Bd2 Bf5 16.dxe4 Nxe4 17.Nxe4 Bxe4 18.Bf3 Bg6 19.Qc1 Bd6 20.Ne2 Nc5 21.Ng3 Be5 22.Re1 Rab8 (9.165.423) 2973
17/23 0:03 -0.03 14.Bd2 Bd6 15.Bf3 Nc5 16.b4 Ne6 17.Ne4 Nxe4 18.Bxe4 Nd4 19.c3 f5 20.f4 Bxb4 21.cxd4 Bxd2 22.Bxc6 Qxc6 23.Qxd2 exf4 24.Qxf4 (9.165.423) 2973
17/27 0:03 -0.18 14.f4 Bd4 15.Qe1 Nd6 16.Bf3 Re8 17.Ne2 Bxh3 18.gxh3 Nf5 19.c3 Be3 20.fxe5 Rxe5 21.Ng3 Bxc1 22.Qxc1 Nxg3+ 23.hxg3 (9.165.423) 2973
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18/32 0:04 +0.25 14.Qe1 Bf5 15.f4 e4 16.Nxe4 Nxe4 17.dxe4 Bxe4 18.b3 Bf5 19.Bb2 Bd4 20.c3 Bf6 21.Ng1 Be4 22.Nf3 Nc5 23.Nd4 Bd3 24.h3 Bxe2 (13.351.876) 2946
18/26 0:04 +0.15 14.Bd2 Rb8 15.f4 Bd4 16.Ng1 Nc5 17.fxe5 Bxe5 18.Nf3 Bd6 19.b3 Ne6 20.Ne4 Nxe4 21.dxe4 Bb4 22.Qe1 Bxd2 23.Nxd2 (13.351.876) 2946
18/22 0:04 +0.08 14.Ng1 Bf5 15.Bd2 Bd6 16.Bf3 Nc5 17.Qe1 Rdb8 18.b3 a5 19.Nge2 e4 20.dxe4 Bxe4 21.Nd4 Be5 22.Nxe4 Ncxe4 23.Bxe4 (13.351.876) 2946
18/22 0:04 -0.08 14.f4 Bd4 15.Ng1 e4 16.Qe1 exd3 17.cxd3 Nc5 18.Nf3 Bf5 19.Ne4 Ncxe4 20.dxe4 Nxe4 21.Nxd4 Rxd4 22.Bf3 Nf6 23.Be3 Rdd8 (13.351.876) 2946
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19/30 0:06 +0.29 14.Qe1 Bd4 15.Ng1 Nd6 16.Bf3 Rb8 17.Nge2 Nf5 18.Nxd4 Nxd4 19.Bd1 Re8 20.b3 Bf5 21.Ne4 Bxe4 22.dxe4 Ne6 23.Bb2 (19.874.429) 2927
19/28 0:06 +0.17 14.f4 e4 15.Qe1 exd3 16.Bxd3 Bd4 17.Ng1 Nc5 18.Be2 Bf5 19.Nf3 Ne6 20.Bd3 Bxc3 21.Qxc3 Bxd3 22.cxd3 Nd5 (19.874.429) 2927
19/26 0:06 +0.15 14.Bd2 Bf5 15.f4 e4 16.Nxe4 Nxe4 17.dxe4 Bxe4 18.Bd3 Bxd3 19.cxd3 Rxd3 20.Qc2 Rd5 21.Bc3 Rad8 22.f5 Bd4 23.Bxd4 Rxd4 24.f6 gxf6 25.Rxf6 (19.874.429) 2927
19/26 0:06 -0.04 14.Ng1 Bf5 15.Bd2 a5 16.Bf3 Be7 17.Nge2 Nc5 18.Ng3 Bg6 19.h3 Rab8 20.b3 Ne6 21.Nce4 Nxe4 22.Bxe4 Bxe4 23.Nxe4 (19.874.429) 2927
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20/27 0:12 +0.37 14.f4 Bxh3 15.gxh3 Bd4 16.Qe1 Nc5 17.f5 e4 18.Nxe4 Nfxe4 19.dxe4 Nxe4 20.Bd3 Nf6 21.Qe2 Be5 22.Rb1 Rd4 23.Be3 Rh4 24.Qg2 (37.740.194) 2929
20/27 0:12 +0.15 14.Bd2 Nd6 15.Ng1 Bb6 16.Qe1 Bf5 17.a4 e4 18.Bf4 Qb7 19.Be5 Qe7 20.f4 a5 21.Qh4 Bh7 22.Bxf6 Qxf6 23.Qxf6 gxf6 24.dxe4 Nxe4 (37.740.194) 2929
20/29 0:12 +0.06 14.Qe1 Nd6 15.Na4 Bd4 16.c3 Bb6 17.Ng1 Re8 18.b4 Qe7 19.Nxb6 axb6 20.a4 c5 21.Be3 Nf5 22.a5 Bb7 23.Nf3 Nxe3 24.fxe3 bxa5 25.Rxa5 cxb4 (37.740.194) 2929
20/30 0:12 -0.05 14.Ng1 Bf5 15.Bd2 Rab8 16.Qc1 Re8 17.Bf3 Bg6 18.h3 Bd6 19.Nge2 Nc5 20.Ng3 e4 21.Ngxe4 Nfxe4 22.Nxe4 Bxe4 23.dxe4 Nxe4 (37.740.194) 2929
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21/30 0:16 +0.30 14.f4 e4 15.Nf2 Nd6 16.Qe1 Bf5 17.Ncxe4 Ndxe4 18.Nxe4 Nxe4 19.dxe4 Bxe4 20.Bd2 Qd6 21.Bc3 Qg6 22.Bf3 Bxc2 23.Rc1 Bd3 24.Be5 Bxf1 25.Qxf1 Bd4 (48.700.495) 2927
21/28 0:16 +0.17 14.Bd2 Nd6 15.Ng1 Bb6 16.Qc1 Bb7 17.Bf3 Re8 18.Na4 e4 19.Nxb6 axb6 20.dxe4 Ndxe4 21.Bf4 Qe7 22.c4 c5 23.Ne2 Bc6 24.b3 Rad8 (48.700.495) 2927
21/29 0:16 +0.09 14.Qe1 Nd6 15.Na4 Bd4 16.c3 Bb6 17.Ng1 Re8 18.b4 Qe7 19.Nxb6 axb6 20.a4 Qc7 21.Bb2 c5 22.c4 Nf5 23.Bf3 Bb7 24.a5 bxa5 25.Rxa5 Rxa5 26.bxa5 Nd4 (48.700.495) 2927
21/30 0:16 -0.06 14.Ng1 Bf5 15.Bd2 Bd6 16.Qc1 Nc5 17.f4 e4 18.dxe4 Ncxe4 19.Nxe4 Bxe4 20.Re1 Nd5 21.Bc4 Re8 22.Ne2 Rab8 23.b3 Bg6 (48.700.495) 2927
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22/30 0:21 +0.30 14.Bd2 Rb8 15.Rb1 Bd4 16.Ng1 Bf5 17.Nf3 Nc5 18.b4 Ne6 19.Nxd4 Rxd4 20.h3 Qd6 21.a4 Rbxb4 22.Rxb4 Rxb4 23.Ne4 Bxe4 24.Bxb4 Qxb4 25.dxe4 Nxe4 (63.232.784) 2933
22/31 0:21 +0.21 14.Qe1 Nd6 15.Na4 Bd4 16.c3 Bb6 17.Ng1 Re8 18.b4 Qe7 19.Nxb6 axb6 20.a4 c5 21.Be3 Nf5 22.a5 Bb7 23.Bf3 cxb4 24.Bxb6 Bxf3 (63.232.784) 2933
22/31 0:21 +0.20 14.f4 e4 15.Nf2 Nd6 16.Qe1 exd3 17.Nxd3 Bd4 18.Bf3 Re8 19.Ne2 Nd5 20.Qd1 Bb6 21.a4 Nc4 22.Bxd5 cxd5 23.Ng3 Bd7 24.f5 Ne3 25.Bxe3 Bxe3 26.f6 gxf6 27.Rxf6 (63.232.784) 2933
22/28 0:21 0.00 14.Ng1 Bf5 15.Qe1 Re8 16.Be3 Bg6 17.Rd1 Bd4 18.Nf3 Rad8 19.Nd2 Nd6 20.Nb3 Bb6 21.Nd2 (63.232.784) 2933
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23/32 0:33 +0.20 14.Bd2 Nd6 (99.429.981) 2934
23/33 0:33 +0.15 14.Qe1 Nd6 15.Na4 Bd4 16.c3 Bb6 17.Ng1 Nf5 18.Nxb6 axb6 19.f4 Nd5 20.Qf2 exf4 21.Bxf4 Qxf4 22.Qxf4 Nxf4 23.Rxf4 Be6 24.a4 g5 25.Rf2 Nd6 (99.429.981) 2934
23/36 0:33 +0.08 14.Ng1 Bf5 15.Qe1 Bb6 16.Nf3 Re8 17.Nd2 Nd6 18.Bf3 Bg6 19.b3 Rad8 20.Bb2 Bd4 21.Qc1 e4 22.Ncxe4 Ndxe4 23.Nxe4 Bxe4 24.dxe4 Nxe4 25.Bxd4 Rxd4 (99.429.981) 2934
23/31 0:33 -0.01 14.f4 Bd4 15.Ng1 e4 16.Qe1 exd3 17.cxd3 Bf5 18.Nf3 Nc5 19.Ne4 Ncxe4 20.dxe4 Nxe4 21.Nxd4 Rxd4 22.Be3 Rd6 23.Rd1 Rxd1 24.Qxd1 Rd8 25.Qa4 Re8 26.Qxa7 Qxa7 27.Bxa7 (99.429.981) 2934
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24/32 0:52 +0.01 14.Qe1 Nd6 (153.039.785) 2941
24/32 0:52 0.00 14.Ng1 Bf5 15.Bd2 Rab8 16.Qc1 Re8 17.Rb1 Bd6 18.f4 e4 19.dxe4 Nxe4 20.Nxe4 Bxe4 21.Bf3 a5 22.Re1 Bd5 23.b3 Nc5 24.c4 Bxf3 25.Nxf3 Nd3 26.Rxe8+ Rxe8 27.Qc3 (153.039.785) 2941
24/32 0:52 -0.12 14.Bd2 Nd6 (153.039.785) 2941
24/34 0:52 -0.16 14.Bf3 Nd6 15.Na4 Bd4 16.c3 Bb6 17.d4 exd4 18.Nxb6 axb6 19.Qxd4 Bxh3 20.gxh3 Nde4 21.Qe3 Re8 22.Bg2 Rad8 23.Qf4 Qxf4 24.Bxf4 Nd5 25.Bg3 Nxg3+ 26.hxg3 Re2 27.c4 (153.039.785) 2941
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25/40 1:06 +0.38 14.f4 e4 15.Qe1 exd3 16.Bxd3 Bxh3 17.gxh3 Bd4 18.Ne2 Nc5 19.Bc4 Nce4 20.Nxd4 Rxd4 21.Bd3 Re8 22.Be3 Rxd3 23.cxd3 Nd6 24.Qc1 Nf5 (196.387.287) 2952
25/34 1:06 +0.21 14.Qe1 Bf5 15.f4 e4 16.Nxe4 Nxe4 17.dxe4 Bxe4 18.b3 Bd4 19.c3 Bf6 20.Nf2 Bh4 21.Be3 Nd6 22.Qc1 Bxf2 23.Bxf2 Re8 24.Bg4 Rad8 25.Rd1 Nb5 26.c4 Rxd1+ 27.Bxd1 (196.387.287) 2952
25/32 1:06 +0.19 14.Ng1 Bf5 15.Qe1 Re8 16.Bf3 Bg6 17.Nge2 Rad8 18.Ng3 Bd4 19.Bd2 Rb8 20.Rb1 Nc5 21.b3 Nfd7 22.Nce2 Ne6 23.Be4 Bxe4 24.dxe4 Bb6 25.Bc3 Rbd8 26.Rd1 (196.387.287) 2952
25/30 1:06 +0.06 14.Bd2 Nd6 15.Na4 Bb6 16.a3 Bxh3 17.gxh3 Nf5 18.Nxb6 Qxb6 19.Bc3 Re8 20.Rb1 a5 21.Bd2 Nd5 22.Bg4 Nd4 23.Bh5 Nf4 24.Bxf4 exf4 25.Qg4 (196.387.287) 2952
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26/34 1:41 +0.41 14.Qe1 Re8 15.Ne4 Nxe4 16.dxe4 Bxh3 17.gxh3 Nd6 18.Bd3 Qd7 19.Qe2 Qxh3 20.f4 Rad8 21.f5 Qh4 22.Bd2 Kh7 23.c3 Bb6 24.a4 Nxe4 25.Bxe4 Rxd2 26.f6+ Kg8 27.Qxd2 (300.968.331) 2955
26/39 1:41 +0.37 14.Bd2 Bxh3 15.gxh3 Bd4 16.Rb1 Nc5 17.Bf3 Rab8 18.b4 Bxc3 19.Bxc3 Ne6 20.Re1 Nd4 21.Bg2 c5 22.b5 c4 23.Qd2 cxd3 24.cxd3 Rdc8 25.Ba5 Qd6 26.Bb4 Qb6 27.Rxe5 (300.968.331) 2955
26/37 1:41 +0.28 14.Ng1 Bf5 15.Qe1 Re8 16.Bf3 Nd6 17.Ne4 Nfxe4 18.Bxe4 Bg4 19.Be3 Bb6 20.Qc3 Bd7 21.Ne2 Rab8 22.Bxb6 Qxb6 23.Rab1 Qa6 24.Bf3 Qxa2 25.b3 e4 26.dxe4 Nxe4 (300.968.331) 2955
26/40 1:41 +0.23 14.f4 e4 15.Qe1 Bf5 16.Nf2 Bxf2 17.Qxf2 exd3 18.cxd3 Bxd3 19.Be3 c5 20.Rae1 Bxe2 21.Rxe2 Qc6 22.f5 Re8 23.Rfe1 Rad8 24.Bf4 Nd6 25.Rxe8+ Rxe8 26.Rxe8+ Ndxe8 27.Bg3 (300.968.331) 2955
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27/40 2:40 +0.38 14.Bd2 Bxh3 15.gxh3 Nd6 16.Bf3 Rab8 17.Rb1 Bd4 18.Bg2 Nf5 19.Ne4 Nxe4 20.Bxe4 Nd6 21.Bg2 Rxb2 22.Rxb2 Bxb2 23.Qe2 Re8 24.Rb1 Bd4 25.c3 Bc5 26.Rg1 Kh7 27.h4 (475.379.422) 2960
27/37 2:40 +0.28 14.Qe1 Bf5 15.Bf3 Be7 16.Ne4 a5 17.Ng3 Be6 18.Qe2 Nc5 19.a4 Ncd7 20.b3 Bb4 21.Bb2 Nd5 22.Bg4 Bc3 23.Bxc3 Nxc3 24.Qf3 Nf8 25.Ne4 Nxe4 26.dxe4 Bxg4 27.Qxg4 (475.379.422) 2960
27/38 2:40 +0.17 14.Ng1 e4 15.Bd2 Bf5 16.dxe4 Nxe4 17.Nxe4 Bxe4 18.Nf3 Rd5 19.Bd3 Bxd3 20.cxd3 Rad8 21.Qa4 Bb6 22.Bf4 Qc8 23.b4 c5 24.Be3 cxb4 25.Bxb6 axb6 26.d4 Nd6 27.Rac1 (475.379.422) 2960
27/42 2:40 +0.13 14.f4 e4 15.Qe1 Bxh3 16.gxh3 exd3 17.Bxd3 Bd4 18.Qg3 Nc5 19.Bc4 Rab8 20.Qg2 Qe7 21.Bb3 Nd5 22.Nxd5 cxd5 23.Bxd5 Bxb2 24.Bxb2 Rxb2 25.Rg1 Qf6 26.Rad1 Re8 27.Rde1 (475.379.422) 2960
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28/40 4:22 +0.40 14.Qe1 Bf5 15.Bf3 a5 16.Ng1 Re8 17.Ne4 Nd5 18.Ng3 Bd7 19.Bd2 Nd6 20.N1e2 Qb6 21.Ne4 Nxe4 22.dxe4 Nf6 23.Bc3 Qc7 24.a3 Be6 25.h3 Bb6 26.Rd1 a4 27.Bd2 (780.403.420) 2967
28/41 4:22 +0.24 14.Bd2 Nd6 15.Ng1 a5 16.Na4 Ba7 17.b3 Bb8 18.Be3 Nd5 19.Bc5 e4 20.g3 Ba7 21.Bxa7 Qxa7 22.d4 Be6 23.c3 Qc7 24.Qc1 Bf5 25.c4 Nf6 26.Qc3 Ng4 27.h3 (780.403.420) 2967
28/41 4:22 +0.24 14.Ng1 e4 15.Bd2 Bf5 16.dxe4 Nxe4 17.Nxe4 Bxe4 18.Nf3 Rd5 19.Bd3 Bxd3 20.cxd3 Rxd3 21.Qc2 Rd5 22.Bc3 Bb6 23.b4 Nd6 24.Rfe1 a5 25.Rad1 axb4 26.Bxb4 Rd8 27.Bc3 (780.403.420) 2967
28/38 4:22 +0.15 14.f4 e4 15.Qe1 exd3 16.Bxd3 Bd4 17.Ne2 Bb6 18.Nf2 Re8 19.b3 Nc5 20.Bb2 Nd5 21.Bc4 Bf5 22.Be5 Qd7 23.Qc1 Rad8 24.Ng3 Bh7 25.c3 Bc7 26.Re1 Bxe5 27.fxe5 (780.403.420) 2967
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29/42 5:45 +0.46 14.Qe1 Bf5 15.Bf3 Rab8 16.Ng1 Bg6 17.Be4 Nxe4 18.Nxe4 Bd4 19.f4 Nd6 20.Nxd6 Qxd6 21.Rb1 Qe6 22.Ne2 Qxa2 23.Bd2 Bxb2 24.f5 Bh7 25.f6 Qa4 26.fxg7 Qxc2 27.Bxh6 (1.025.381.035) 2971
29/42 5:45 +0.33 14.Ng1 Bb6 15.Qe1 Nd6 16.f4 Nf5 17.fxe5 Qxe5 18.Bf4 Qd4 19.a4 a5 20.Qc1 Re8 21.Nf3 Qc5 22.Ne4 Nxe4 23.dxe4 Rxe4 24.Bd3 Re8 25.Re1 Rxe1+ 26.Qxe1 Ne7 27.Ne5 (1.025.381.035) 2971
29/47 5:45 +0.29 14.f4 e4 15.Qe1 Bf5 16.Nxe4 Nxe4 17.dxe4 Bxe4 18.f5 Re8 19.Bf4 Qe7 20.Bd3 Bxd3 21.cxd3 Qxe1 22.Raxe1 Bd4 23.Bc1 Rxe1 24.Rxe1 Nc5 25.Nf4 Rd8 26.g4 Bf6 27.Rd1 (1.025.381.035) 2971
29/40 5:45 +0.21 14.Bd2 Nd6 15.Ng1 Bb6 16.b3 e4 17.Bf4 Qe7 18.Na4 Bf5 19.Nxb6 axb6 20.Re1 Nd5 21.Bg3 Qf6 22.Qd2 Bg6 23.a4 Nf5 24.dxe4 Nc3 25.e5 Rxd2 26.exf6 Nxg3+ 27.fxg3 (1.025.381.035) 2971
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30/40 8:05 +0.38 14.Qe1 Bf5 15.f4 e4 16.Nxe4 Nxe4 17.dxe4 Bxe4 18.f5 Re8 19.Bf4 Qe7 20.Bd3 Bxd3 21.cxd3 Qxe1 22.Raxe1 Bd4 23.Bc1 Nc5 24.Nf4 a5 25.g4 Red8 26.Kg2 a4 27.Be3 (1.440.695.697) 2970
30/45 8:05 +0.25 14.f4 (1.440.695.697) 2970
30/35 8:05 +0.12 14.Bd2 Nd6 (1.440.695.697) 2970
30/41 8:05 0.00 14.Ng1 e4 15.Bd2 Bf5 16.dxe4 Nxe4 17.Nxe4 Bxe4 18.Qc1 Bd6 19.Bf3 Bg6 20.Be3 Nc5 21.Rd1 Rab8 22.Ne2 Ne4 23.Ng3 Ng5 24.Bg4 Ne4 25.Bf3 (1.440.695.697) 2970
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31/44 11:11 +0.39 14.Qe1 Bf5 15.Bf3 Re8 16.Ne4 Nxe4 17.Bxe4 Nd6 18.Ng1 Bd7 19.Ne2 a5 20.h3 a4 21.Ng3 Nxe4 22.dxe4 Be6 23.Be3 Qb6 24.b3 Red8 25.Qc3 Bxe3 26.fxe3 Qc7 27.Ne2 (2.003.435.795) 2981
31/45 11:11 +0.25 14.f4 e4 15.Qe1 Bxh3 16.gxh3 exd3 17.Bxd3 Bd4 18.Qe2 Nc5 19.Bc4 Rab8 20.f5 Qe5 21.Qg2 Bxc3 22.bxc3 Qe4 23.Qxe4 Ncxe4 24.Rg1 Kf8 25.Be3 Rb7 26.Rae1 Re7 27.Bd3 (2.003.435.795) 2981
31/48 11:11 +0.22 14.Ng1 e4 15.Bd2 Bf5 16.dxe4 Nxe4 17.Nxe4 Bxe4 18.Qc1 a5 19.Bf4 Bd6 20.Bxd6 Nxd6 21.Nf3 Qb6 22.Bd3 Bxf3 23.gxf3 Qd4 24.Rg1 Kh8 25.Qe3 Qxb2 26.f4 Qf6 27.Rab1 (2.003.435.795) 2981
31/39 11:11 +0.18 14.Bd2 Nd6 15.Na4 Bb6 16.Nxb6 axb6 17.a4 c5 18.b3 Bxh3 19.gxh3 Nf5 20.Bf3 e4 21.Bg2 Nh4 22.Rg1 exd3 23.Bxh6 Rac8 24.Bg5 Nxg2 25.Rxg2 dxc2 26.Qxc2 Qc6 27.Rag1 (2.003.435.795) 2981