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Subject: Re: Chess Engine evaluation question

Author: Les Fernandez

Date: 09:56:18 12/01/03

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On December 01, 2003 at 03:44:30, Russell Reagan wrote:

>On December 01, 2003 at 02:28:19, Les Fernandez wrote:
>
>>I think that is what I am looking for.  I assume the 00:16 is 16 seconds.
>
>Correct.
>
>>Is ruffian available for download?
>
>Yes. It comes with Arena.
>
>>One more thing, if you read this again, can you provide me with a similar print
>>out but for a 3 min interval?
>
>It just so happens that I left Ruffian analyzing by accident, so here are the
>results up to 15 plies. Also, the time is not really an interval. The time is
>just how long it took to finish that particular depth of search. It just takes
>however long it takes.
>
>Out of curiosity, why did you pick 90 seconds and the top 5 moves? Why not other
>values?

Hi Russell,

Actually for the time being it is an arbitrary starting point (sec and top 5
best moves).  I will have to review this output.

Thanks,

Les
>
> 8   00:02 -0.45   g4 d5 h3 Nc6 d4 Nf6 Bf4 e6
> 8   00:02 -0.43   f3 e5 e3 Nc6 f4 e4 Nc3 Nf6
> 8   00:02 -0.43   b4 Nf6 d4 d5 Nc3 Nc6 b5 Nb4
> 8   00:02 -0.41   b3 Nc6 d4 d5 Nf3 Bf5 c4 Nf6
> 8   00:02 -0.40   a3 Nc6 d4 d5 Bf4 Bf5 Nc3 Nf6
> 8   00:02 -0.40   h3 Nc6 d4 d5 Bf4 Bf5 Nc3 Nf6 g4 Bg6 Nb5
> 8   00:02 -0.39   c3 Nc6 Nf3 d5 d3 e5 d4 e4
> 8   00:02 -0.39   a4 Nf6 d4 d5 Bf4 Nc6 Nc3 Bf5
> 8   00:02 -0.39   h4 Nf6 d4 d5 Bf4 Nc6 Nc3 Bf5 Nb5
> 8   00:02 -0.37   g3 Nf6 d4 Nc6 Bh3 e6 Nf3 Bd6
> 8   00:02 -0.33   Nh3 d5 d4 Nf6 Nc3 Nc6 Bf4 Bf5
> 8   00:02 -0.31   Na3 Nf6 d4 Nc6 Bf4 Nd5 Nh3 Nxf4 Nxf4
> 8   00:02 -0.30   f4 Nf6 Nf3 e6 Nc3 Nc6 e4 Bc5
> 8   00:02 -0.19   d3 Nc6 e4 Nf6 Nc3 d5 exd5 Nxd5 Nf3 Bg4 Bd2 e5
> 8   00:02 -0.19   e3 Nf6 Nf3 Nc6 d4
> 8   00:02 -0.17   c4 Nf6 Nc3 e5 Nf3 Nc6 d4 exd4 Nxd4 Bc5 Nxc6
> 8   00:02 -0.09   Nf3 Nf6 d4 e6 e3 Nc6 Nc3 Bb4 Bd3 Nd5 Bd2 Nxc3
> 8   00:02 -0.09   Nc3 d5 d4 Nf6 Bf4 e6 Nb5 Bb4+ c3 Ba5
> 8   00:02 -0.09   d4 Nf6 Nc3 d5 Bf4 e6 Nb5 Bb4+ c3 Ba5
> 8   00:02  0.07   e4 Nc6 Nf3 Nf6 Nc3 e5 d4 exd4 Nxd4
>---------------------------------------------------------------------------
> 9   00:06 -0.37   g4 d5 g5 Nc6 d4 Bf5 Bf4 Nb4 Na3
> 9   00:06 -0.31   b4 Nf6 Nf3 e6 a3 Bd6 Nc3 0-0 e4
> 9   00:06 -0.27   f3 e5 Nc3 Nc6 e4 Bc5 Bb5 Qh4+ g3 Qg5
> 9   00:06 -0.25   f4 Nf6 Nf3 Nc6 Nc3 d5 e3 Bf5 Bb5
> 9   00:06 -0.24   b3 Nf6 d4 e6 Nf3 Nc6 Nc3 Bb4 Bd2
> 9   00:06 -0.23   c3 Nc6 Nf3 d5 d4 Bf5 Bf4 Nf6 Nbd2
> 9   00:06 -0.20   a3 Nc6 d4 d5 Bf4 Bf5 Nc3 Nf6 Nf3
> 9   00:06 -0.20   h3 Nc6 d4 d5 Bf4 Nf6 Nc3 Bf5 Nf3
> 9   00:06 -0.19   a4 Nf6 d4 d5 Bf4 Nc6 Nc3 Bf5 Nf3 e6
> 9   00:06 -0.19   h4 Nf6 d4 d5 Bf4 Nc6 Nf3 Bf5 Nc3
> 9   00:06 -0.19   e3 Nf6 Nf3 Nc6 d4
> 9   00:06 -0.19   d3 Nc6 e4 Nf6 Nc3 d5 exd5 Nxd5 Nf3 Bg4 Bd2 e5
> 9   00:06 -0.17   g3 Nf6 d4 Nc6 Nc3 d5 Bf4 Bg4 Nf3
> 9   00:06 -0.17   c4 Nf6 Nc3 e5 Nf3 Nc6 d4 exd4 Nxd4 Bc5 Nxc6
> 9   00:06 -0.16   Nh3 d5 d4 Nf6 Nc3 Nc6 Bf4 Bf5 Ng5 e6
> 9   00:06 -0.14   Na3 Nf6 d4 Nc6 Nf3 d5 Bf4 Bf5 Nb5
> 9   00:06 -0.09   Nf3 Nf6 d4 e6 e3 Nc6 Nc3 Bb4 Bd3 Nd5 Bd2 Nxc3
> 9   00:06 -0.09   Nc3 d5 d4 Nf6 Bf4 e6 Nb5 Bb4+ c3 Ba5
> 9   00:06 -0.09   d4 Nf6 Nc3 d5 Bf4 e6 Nb5 Bb4+ c3 Ba5
> 9   00:06  0.07   e4 Nc6 Nf3 Nf6 Nc3 e5 d4 exd4 Nxd4
>---------------------------------------------------------------------------
>10   00:17 -0.41   g4 d5 h3 Nc6 d4 e6 Nc3 Nf6 g5 Nd7
>10   00:17 -0.40   b4 Nf6 Nf3 e6 b5 d5 Ba3 Bxa3 Nxa3 Qd6 Qc1
>10   00:17 -0.36   f3 e5 e3 Nc6 f4 d5 Bb5 exf4 exf4 Qh4+ g3 Qg4
>10   00:17 -0.36   a4 d5 d4 Nc6 Bf4 Bf5 Ra3 Nf6 Re3 e6
>10   00:17 -0.36   b3 Nc6 Nf3 Nf6 d4 d5 Bf4 Nh5 Bg5 Bf5
>10   00:17 -0.33   h4 Nc6 e4 Nf6 Nc3 e5 Nf3 Bc5 Bb5 d6
>10   00:17 -0.33   c3 Nf6 Nf3 Nc6 d4 d5 Bf4 Bf5 Nbd2 e6
>10   00:17 -0.32   f4 Nf6 Nf3 e6 Nc3 d5 e3 Nc6 Bb5 Bc5
>10   00:17 -0.31   g3 Nf6 d4 d5 Nc3 Nc6 Nf3 Bf5 Bf4 e6
>10   00:17 -0.30   a3 Nc6 d4 d5 Nf3 Nf6 Nc3 Bf5 Bf4 e6
>10   00:17 -0.30   Nh3 d5 d4 Nc6 Bf4 Bf5 Na3 Rc8 Nb5 Nf6
>10   00:17 -0.29   Na3 Nf6 Nf3 e6 e3 Nc6 d4 Bb4+ c3 Bxa3 bxa3 0-0
>10   00:17 -0.28   h3 Nc6 d4 d5 Nc3 Nf6 Nf3 Bf5 g4 Bg6
>10   00:17 -0.19   e3 Nf6 Nf3 Nc6 d4
>10   00:17 -0.19   d3 Nc6 e4 Nf6 Nc3 d5 exd5 Nxd5 Nf3 Bg4 Bd2 e5
>10   00:17 -0.17   c4 Nf6 Nc3 e5 Nf3 Nc6 d4 exd4 Nxd4 Bc5 Nxc6
>10   00:17 -0.09   Nf3 Nf6 d4 e6 e3 Nc6 Nc3 Bb4 Bd3 Nd5 Bd2 Nxc3
>10   00:17 -0.09   Nc3 d5 d4 Nf6 Bf4 e6 Nb5 Bb4+ c3 Ba5
>10   00:17 -0.09   d4 Nf6 Nc3 d5 Bf4 e6 Nb5 Bb4+ c3 Ba5
>10   00:17  0.07   e4 Nc6 Nf3 Nf6 Nc3 e5 d4 exd4 Nxd4
>---------------------------------------------------------------------------
>11   00:58 -0.39   g4 d5 h3 Nc6 d4 h5 g5 Bf5 Nf3 Nb4 Na3
>11   00:58 -0.35   b4 e5 Bb2 Nf6 Bxe5 Nc6 Bg3 Bxb4 c3 Bc5 Nf3
>11   00:58 -0.30   f3 e5 e3 Nc6 Nc3 d6 f4 Nf6 Nf3 Bf5 Bc4
>11   00:58 -0.27   b3 Nf6 Nf3 Nc6 Nc3 d5 e3 Bf5 Bb5 a6 Nd4
>11   00:58 -0.26   a4 Nf6 Nc3 d5 Nf3 Nc6 d4 Ne4 Ne5 Bf5 Nxc6
>11   00:58 -0.22   h4 d5 d4 Nc6 Nc3 Bf5 Bf4 Nb4 Rc1 Nf6 Nf3
>11   00:58 -0.22   c3 Nf6 Nf3 Nc6 d4 d5 Bf4 Nh5 Bg5 f6 Be3
>11   00:58 -0.22   f4 Nf6 Nf3 d5 e3 Nc6 c4 Bg4 cxd5 Nxd5 Bb5 Qd6
>11   00:58 -0.21   g3 e5 Nc3 Nf6 Bg2 d5 d4 exd4 Qxd4 Nc6 Qe3+ Be7 Qg5
>11   00:58 -0.21   a3 d5 d4 Nc6 Nf3 Nf6 Bf4 Nh5
>11   00:58 -0.21   h3 Nf6 Nf3 Nc6 d4 d5 Bf4 Nh5 Bg5 f6 Bd2
>11   00:58 -0.20   Na3 Nf6 Nf3 e6 e3 Nc6 Nb5 a6 Nc3 Bc5 Bc4
>11   00:58 -0.19   Nh3 d5 d4 Nc6 Nc3 Bf5 Bf4 Nb4 Rc1
>11   00:58 -0.19   e3 Nf6 Nf3 Nc6 d4
>11   00:58 -0.19   d3 Nc6 e4 Nf6 Nc3 d5 exd5 Nxd5 Nf3 Bg4 Bd2 e5
>11   00:58 -0.17   c4 Nf6 Nc3 e5 Nf3 Nc6 d4 exd4 Nxd4 Bc5 Nxc6
>11   00:58 -0.09   Nf3 Nf6 d4 e6 e3 Nc6 Nc3 Bb4 Bd3 Nd5 Bd2 Nxc3
>11   00:58 -0.09   Nc3 d5 d4 Nf6 Bf4 e6 Nb5 Bb4+ c3 Ba5
>11   00:58 -0.09   d4 Nf6 Nc3 d5 Bf4 e6 Nb5 Bb4+ c3 Ba5
>11   00:58  0.07   e4 Nc6 Nf3 Nf6 Nc3 e5 d4 exd4 Nxd4
>---------------------------------------------------------------------------
>12   02:28 -0.41   g4 d5 h3 Nc6 d4 h5 gxh5 Nf6 Nf3 Rxh5 Bf4 Bf5
>12   02:28 -0.38   b4 Nf6 Nf3 d5 e3 Nbd7 c4 e5 Nc3 e4 Ng5 Bxb4 cxd5
>12   02:28 -0.35   f3 e5 e3 Nc6 Ne2 Bc5 c3 Qh4+ g3 Qh5 Bg2 Nf6 0-0
>12   02:28 -0.33   a4 Nf6 d4 e6 Bf4 Nc6 Nf3 Bb4+ c3 Bd6 Bxd6 cxd6 Nbd2 0-0
>12   02:28 -0.31   b3 Nf6 Nf3 Nc6 e3 e6 Ba3 Bxa3 Nxa3 0-0 Bd3 Nb4 0-0 Nxd3 cxd3
>12   02:28 -0.31   f4 Nf6 Nf3 e6 Nc3 d5 e3 Nbd7 d4 Bb4 a3 Bxc3+
>12   02:28 -0.30   h4 Nf6 d4 e6 Nc3 Bb4 a3 Be7 Nf3 0-0 Bf4 Nc6
>12   02:28 -0.29   c3 Nf6 Nf3 Nc6 d4 e6 e3 Be7 Bd3 0-0 0-0 d5
>12   02:28 -0.29   h3 Nf6 Nc3 d5 d4 e6 Nf3 Bb4 a3 Bxc3+ bxc3 Ne4 Bd2 0-0
>12   02:28 -0.28   g3 Nf6 d4 d5 Nc3 Nc6 Bg2 e6 Nf3 Bb4 0-0 0-0 Bf4
>12   02:28 -0.27   Na3 Nf6 Nf3 e6 e3 Nc6 d4 Bb4+ c3 Bxa3 bxa3 0-0 Bd3 d5
>12   02:28 -0.25   a3 Nf6 d4 e6 Nc3 d5 Bf4 Nh5 Bd2 Nc6 Nf3 Bd6
>12   02:28 -0.24   Nh3 d5 d4 Nc6 Bf4 Bf5 e3 Nb4 Bb5+ c6 Ba4 b5 Bb3
>12   02:28 -0.19   e3 Nf6 Nf3 Nc6 d4
>12   02:28 -0.19   d3 Nc6 e4 Nf6 Nc3 d5 exd5 Nxd5 Nf3 Bg4
>12   02:28 -0.17   c4 Nf6 Nc3 e5 Nf3 Nc6 d4 exd4 Nxd4 Bc5
>12   02:28 -0.09   Nf3 Nf6 d4 e6 e3 Nc6 Nc3 Bb4 Bd3 Nd5 Bd2
>12   02:28 -0.09   Nc3 d5 d4 Nf6 Bf4 e6 Nb5 Bb4+ c3 Ba5
>12   02:28 -0.09   d4 Nf6 Nc3 d5 Bf4 e6 Nb5 Bb4+ c3 Ba5
>12   02:28  0.07   e4 Nc6 Nf3 Nf6 Nc3 e5 d4 exd4 Nxd4
>---------------------------------------------------------------------------
>13   08:03 -0.35   g4 d5 e3 Nf6 g5 Ne4 f4 Nc6 d3 Nc5 Nc3 Bf5 Nf3
>13   08:03 -0.34   b4 Nf6 Nf3 e6 b5 d5 c4 Bd6 d4 dxc4 Qa4 0-0 Qxc4
>13   08:03 -0.28   h4 Nf6 d4 d5 Nc3 Bf5 Bf4 e6 Nb5 Bb4+ c3 Ba5 b4 Bb6
>13   08:03 -0.27   f3 e5 e3 Nc6 Nc3 Bc5 Nge2 d6
>13   08:03 -0.27   a4 Nf6 e3 Nc6 d4 e6 Nf3 Bb4+ Bd2 0-0
>13   08:03 -0.27   b3 Nf6 Nf3 Nc6 d4 e6 e3 Bd6 Bb5 a6 Bd3
>13   08:03 -0.26   g3 e5 d4 exd4 Qxd4 Nc6 Qe3+ Be7 Nf3 Nf6 Bg2 d5 0-0 0-0 Nc3
>13   08:03 -0.25   h3 Nf6 Nf3 Nc6 Nc3 d5 d4 Ne4 Bf4 Nxc3 bxc3 Bf5 Rb1 Rb8
>13   08:03 -0.23   f4 Nf6 Nf3 e6 Nc3 Nc6 e3 Be7 Bb5 0-0 0-0 d5 d4
>13   08:03 -0.23   Nh3 d5 d4 Nc6 Nc3 Nf6 Bf4 Nh5 Bg5 h6 Be3 Bf5 Nf4
>13   08:03 -0.23   Na3 e5 d4 e4 f3 d5 Nb5 Bd7 Nc3 Bb4 Bd2 Bxc3 Bxc3 Nf6
>13   08:03 -0.23   a3 d5 Nf3 Nc6 e3 Nf6 Bb5 a6 Bxc6+ bxc6 0-0 Bg4 Nc3
>13   08:03 -0.20   c3 Nf6 Nf3 Nc6 d4 d5 e3 Bf5 Be2 Qd7 0-0 0-0-0 Nbd2
>13   08:03 -0.19   d3 Nc6 e4 Nf6 Nc3 d5 exd5 Nxd5 Nf3 Bg4
>13   08:03 -0.17   c4 Nf6 Nc3 e5 Nf3 Nc6 d4 exd4 Nxd4 Bc5
>13   08:03 -0.09   e3 Nf6 Nf3 Nc6 d4 e6 Nc3 Bb4
>13   08:03 -0.09   Nf3 Nf6 d4 e6 e3 Nc6 Nc3 Bb4
>13   08:03 -0.09   Nc3 d5 d4 Nf6 Bf4 e6 Nb5 Bb4+ c3 Ba5
>13   08:03 -0.09   d4 Nf6 Nc3 d5 Bf4 e6 Nb5 Bb4+ c3 Ba5
>13   08:03  0.07   e4 Nc6 Nf3 Nf6 Nc3 e5 d4 exd4 Nxd4
>---------------------------------------------------------------------------
>14   25:22 -0.41   g4 d5 e3 Nf6 Be2 Nc6 f4 e6 g5 Ne4 d3 Nc5 Nc3 Be7
>14   25:22 -0.37   b4 e5 Bb2 Nf6 Bxe5 Bxb4 c3 d6 Bg3 Ba5 Na3 Be6 Rb1 Bd5
>14   25:22 -0.36   f3 e5 e4 Bc5 Ne2 Nc6 c3 Qe7 Na3 Nf6 b4 Bb6 Nc4 0-0 Nxb6 axb6
>14   25:22 -0.35   h3 Nf6 Nf3 e6 Nc3 d5 e3 Bd6 d4 0-0 Bd3 Nc6 0-0 Bd7
>14   25:22 -0.32   h4 Nf6 d4 d5 c4 dxc4 Qa4+ Nc6 e3 Bd7 Qxc4 e5 Qb5 exd4 Qxb7
>14   25:22 -0.32   b3 Nf6 Nf3 Nc6 d4 e6 e3 Ne4 Bb2 d5 Bb5 a6 Bxc6+ bxc6 0-0 Bd6
>14   25:22 -0.29   a4 Nf6 e3 Nc6 d4 e6 Nf3 Be7 Be2 0-0 0-0 d5 Nc3 Bd7
>14   25:22 -0.29   f4 Nf6 Nf3 e6 Nc3 d5 e3 Bd6 d4 0-0 Bd3 Nc6 0-0 Bd7
>14   25:22 -0.28   Na3 e5 d4 e4 f3 d5 Nb5 c6 Nc3 Bb4 fxe4 Qh4+ g3 Qxe4 Nf3
>14   25:22 -0.25   g3 e5 c3 Nf6 Bg2 d5 d4 e4 f3 Be7 Nd2 Bf5 fxe4 Nxe4 Nxe4 dxe4
>14   25:22 -0.25   Nh3 d5 d4 Nc6 Nc3 Bf5 Bf4 e6 Nb5 Rc8 e3 a6 g4 Bb4+ c3
>14   25:22 -0.24   a3 Nf6 Nf3 e6 e3 Nc6 d4 Be7 Bd3 0-0 0-0 d5 Nc3 Bd7
>14   25:22 -0.23   c3 Nf6 Nf3 Nc6 d4 e6 e3 Be7 Bd3 0-0 0-0 d5 Nbd2 Bd7
>14   25:22 -0.19   c4 Nf6 Nc3 e5 Nf3 Nc6 d4 exd4 Nxd4 Bc5 Nxc6 bxc6 e4 0-0 Bf4
>14   25:22 -0.16   d3 Nc6 e4 e5 Nf3 Nf6 Be2 Be7 Nc3 0-0 0-0 d6 d4 Be6 dxe5 dxe5
>14   25:22 -0.14   Nc3 d5 d4 Nf6 e3 e6 Bd3 Nc6 Nf3
>14   25:22 -0.14   d4 Nf6 Nc3 d5 e3 e6 Bd3 Nc6 Nf3 Bb4
>14   25:22 -0.13   e3 Nf6 Nf3 Nc6 d4 e6 Be2 Be7 0-0 0-0
>14   25:22 -0.13   Nf3 Nf6 d4 e6 e3 Nc6 Be2 Be7 0-0 0-0 Ne5 Nxe5 dxe5 Ne4 Nd2
>14   25:22  0.05   e4 Nc6 Nf3 e5 Nc3 Nf6 d4 Bb4 Nxe5 Qe7 f3 Nxe5
>---------------------------------------------------------------------------
>15   01:22:28 -0.41   g4 d5 e3 e5 d4 Nc6 dxe5 Nxe5 h3 Nf6 Nc3 Bb4 Qd4 Qd6 f4 Nc6
>15   01:22:28 -0.38   b4 e5 a3 Nf6 Bb2 d6 e3 Be7 Nc3
>15   01:22:28 -0.35   f3 e5 Nc3 Nc6 e3 Nh6 Nge2 Bc5 Ng3 d5 e4 d4 Na4 Bb4 Bc4
>15   01:22:28 -0.29   b3 e5 e4 Nc6 Nf3 Nf6 Nc3 Bc5 Bc4 0-0 0-0 d6 d3 Be6 Bxe6
>fxe6
>15   01:22:28 -0.28   Na3 e5 d4 Bxa3 bxa3 e4 f3 Nf6 Bg5 exf3 Nxf3 0-0 d5 c6 Bxf6
>Qxf6 e4 cxd5 exd5
>15   01:22:28 -0.28   h4 Nf6 d4 d5 Nf3 Nc6 Nc3 Bf5 e3 Nb4 Bb5+ c6 Ba4 b5 a3 bxa4
>axb4
>15   01:22:28 -0.27   h3 d5 Nf3 e6 d4 Nf6 e3 Bd6 Nc3
>15   01:22:28 -0.27   Nh3 d5 d4 Nc6 Nc3 Bxh3 gxh3 e6 Qd3 Nb4 Qd2 Nh6 a3 Nc6 Rg1
>Qh4
>15   01:22:28 -0.23   a4 e5 e4 Nf6 Nf3 d5 Be2 Nxe4 d3 Nf6 Nxe5 Bb4+ c3 Bd6 Bf4
>0-0
>15   01:22:28 -0.23   f4 Nf6 Nf3 e6 e3 Be7 Be2 0-0 0-0 Nc6 Nc3 d5 d4 Bd7 Bd2
>15   01:22:28 -0.23   c3 Nc6 d4 d5 Nf3 e6 e3 Bd6 Bd3 Nf6 c4 0-0 c5 Be7 0-0
>15   01:22:28 -0.21   d3 Nc6 e4 e5 Nf3 Nf6 Be2 Bc5 0-0 0-0 Nbd2 d5 exd5 Qxd5 Nb3
>Bb4
>15   01:22:28 -0.20   g3 e5 Nf3 Nc6 d4 e4 d5 exf3 dxc6 dxc6 Qxd8+ Kxd8 exf3 Bf5
>Bc4 Bxc2 Bxf7 Nf6
>15   01:22:28 -0.20   a3 Nf6 Nf3 e6 e3 Nc6 d4 d5 Nc3 Bd6 Bd3 0-0 0-0 Bd7 Bd2
>15   01:22:28 -0.18   c4 e5 Nf3 e4 Nd4 Nc6 Nxc6 dxc6 Nc3 Nf6 d3 Bb4 a3 Bxc3+
>bxc3 0-0 Bf4
>15   01:22:28 -0.10   Nc3 d5 d4 Nf6 e3 e6 Bd3 Nc6 Nf3
>15   01:22:28 -0.06   d4 Nf6 Nf3 e6 e3 Nc6 Nc3 Be7 Bd3 d5 0-0
>15   01:22:28 -0.06   e3 Nf6 Nf3 Nc6 d4 e6 Nc3 Be7 Bd3 d5 0-0
>15   01:22:28 -0.06   Nf3 Nf6 d4 e6 e3 Nc6 Nc3 Be7 Bd3 d5 0-0 Nb4 Be2 0-0 Bd2
>15   01:22:28  0.03   e4 Nc6 Nf3 e5 Nc3 Nf6 d4 exd4 Nxd4 Bb4 Nxc6 bxc6 e5 Nd5
>Bd2 Nxc3 Bxc3 Bxc3+ bxc3



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