Analyze a position

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User avatar
Look
Posts: 364
Joined: Thu Jun 05, 2014 2:14 pm
Location: Iran
Full name: Mehdi Amini

Analyze a position

Post by Look »

Can you analyze this opening position for me ?

[d]r2qkb1r/1b3ppp/p3pn2/1p6/2pP4/2N1PN2/PPQ2PPP/R1BR2K1 w kq - 0 13

The position is taken from an online game.
Farewell.
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Dann Corbit
Posts: 12540
Joined: Wed Mar 08, 2006 8:57 pm
Location: Redmond, WA USA

Re: Analyze a position

Post by Dann Corbit »

r2qkb1r/1b3ppp/p3pn2/1p6/2pP4/2N1PN2/PPQ2PPP/R1BR2K1 w kq - acd 36; acs 193; bm d5; c3 "d5"; ce -20; id "C.A.P. 443573"; pm d5; pv d5 Qc7 e4 Rd8 Re1 exd5 exd5+ Be7 Qe2 Nxd5 Bg5 f6 Bd2 O-O Nxd5 Bxd5 Qxe7 Qxe7 Rxe7 Bxf3 Ba5 Rd1+ Rxd1 Bxd1 Ra7 Re8 Rxa6 Re2 Bc3 b4 Bxb4 Rxb2 a3 Be2 h4 h5 Kh2 Kh7 Rd6 Rb3 f3 Kg6 Kg3 Rd3 Rxd3 cxd3 Kf4 Bf1 g3;
Taking ideas is not a vice, it is a virtue. We have another word for this. It is called learning.
But sharing ideas is an even greater virtue. We have another word for this. It is called teaching.
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Eelco de Groot
Posts: 4565
Joined: Sun Mar 12, 2006 2:40 am
Full name:   

Re: Analyze a position

Post by Eelco de Groot »

Strange, only -0.20 eval with Stockfish? I do get the same d5 (eventually) but the evals are much lower here?

Code: Select all

r2qkb1r/1b3ppp/p3pn2/1p6/2pP4/2N1PN2/PPQ2PPP/R1BR2K1 w kq -

Engine: Kaissa IV NoContempt (one thread, search 035, 512 MB)
by T. Romstad, M. Costalba, J. Kiiski, G. Linscott

19/27  0:01   -0.69    1.d5 Qb6 2.e4 Bc5 3.Bg5 O-O 4.Bxf6 gxf6 
                       5.a3 Rad8 6.Qd2 Rfe8 7.Re1 Bf8 
                       8.Rad1 exd5 9.Nxd5 Bxd5 10.exd5 b4 
                       11.Rxe8 Rxe8 12.axb4 (2.146.234) 1333 

20/28  0:02   -0.70    1.d5 Qc7 2.e4 Be7 3.g3 exd5 4.Nxd5 Nxd5 
                       5.exd5 O-O 6.Ng5 Bxg5 7.Bxg5 Rfe8 
                       8.Be3 Qe5 9.a4 Bxd5 10.Qd2 Bb7 (3.871.635) 1316 

21/27  0:03   -0.79--  1.d5 Qc7 (4.080.013) 1321 

21/27  0:03   -0.89--  1.d5 Qc7 (4.221.536) 1322 

21/27  0:03   -1.03--  1.d5 Qc7 (4.605.609) 1328 

21/29  0:03   -0.91++  1.d5 (5.128.809) 1330 

21/29  0:03   -1.13    1.d5 Qc7 2.dxe6 fxe6 3.Ne2 Be4 4.Qd2 Bxf3 
                       5.gxf3 Be7 6.Qc2 Kf7 7.Ng3 Rhd8 
                       8.Bd2 Rd3 9.Bc3 Rad8 10.f4 Rxd1+ 
                       11.Rxd1 Rxd1+ 12.Qxd1 Qd6 13.Qxd6 (5.292.885) 1335 

22/28  0:04   -1.04++  1.d5 (5.904.564) 1333 

22/29  0:04   -0.94++  1.d5 (5.983.349) 1334 

22/29  0:04   -0.80++  1.d5 (6.067.540) 1334 

22/29  0:04   -0.91    1.d5 Qb6 2.e4 Bc5 3.Bg5 O-O 4.a4 exd5 
                       5.exd5 Ng4 6.Ne4 Qg6 7.Nh4 Qh5 
                       8.axb5 Nxf2 9.Nxc5 Nxd1 10.Nf5 Qxg5 
                       11.Nxb7 (6.288.180) 1329 

23/31  0:05   -1.00--  1.d5 Qc7 (7.180.319) 1326 

23/33  0:05   -1.09--  1.d5 Qc7 (7.630.934) 1326 

23/33  0:06   -1.23--  1.d5 Qc7 (9.070.385) 1308 

23/34  0:07   -1.12++  1.d5 (9.434.634) 1302 

23/34  0:07   -1.04    1.d5 Qc7 2.dxe6 fxe6 3.Ng5 Ng4 4.f4 Qc6 
                       5.Qe2 Nf6 6.Nf3 Bc5 7.Nd4 Qb6 8.a4 Bxd4 
                       9.Rxd4 O-O 10.b3 cxb3 11.Bb2 Nd5 
                       12.Nxd5 Bxd5 13.Qg4 a5 14.axb5 (9.782.457) 1303 

24/33  0:08   -1.14--  1.d5 Qc7 (10.716.668) 1294 

24/36  0:09   -1.23--  1.d5 Qc7 (12.929.823) 1311 

24/36  0:10   -1.14++  1.d5 (13.360.968) 1309 

24/36  0:10   -1.04    1.d5 Qc7 2.dxe6 fxe6 3.Ng5 Ng4 4.f4 Qc6 
                       5.Qe2 Nf6 6.Nf3 Bc5 7.Nd4 Bxd4 
                       8.Rxd4 O-O 9.a4 Rae8 10.e4 e5 
                       11.fxe5 Rxe5 12.axb5 axb5 13.Bf4 Re6 
                       14.Rad1 (13.659.584) 1310 

25/36  0:12   -1.13--  1.d5 Qc7 (16.476.782) 1316 

25/39  0:14   -1.04++  1.d5 (19.073.914) 1326 

25/39  0:15   -0.90++  1.d5 (20.035.009) 1325 

25/39  0:15   -0.70++  1.d5 (20.689.874) 1324 

25/39  0:15   -0.73    1.d5 Qc7 2.dxe6 fxe6 3.Ng5 Ng4 4.f4 Qc6 
                       5.Nxh7 Rxh7 6.Qg6+ Ke7 7.Qxg4 Kf7 
                       8.Ne2 Rh4 9.Qg3 Rh6 10.Nd4 Qd7 
                       11.Rd2 Qc7 12.f5 Qxg3 13.hxg3 Bc5 
                       14.fxe6+ (20.737.297) 1324 

26/36  0:17   -0.63++  1.d5 (23.187.350) 1324 

26/41  0:17   -0.82--  1.d5 Qc7 (23.403.757) 1324 

26/41  0:18   -0.96--  1.d5 Qc7 (24.717.464) 1327 

26/43  0:19   -0.82++  1.d5 (26.037.200) 1330 

26/43  0:19   -0.94    1.d5 Qc7 2.dxe6 fxe6 3.Ng5 Ng4 4.f4 Qc6 
                       5.Nxh7 Rxh7 6.Qg6+ Ke7 7.Qxg4 Kf7 
                       8.Ne2 Rh4 9.Qg3 Rh6 10.Nd4 Qd5 
                       11.Qf3 Rd8 12.Qxd5 Rxd5 13.Bd2 Rd7 
                       14.Rac1 (26.499.120) 1332 

27/45  0:23   -1.04--  1.d5 Qc7 (31.382.284) 1336 

27/45  0:26   -1.13--  1.d5 Qc7 (35.393.799) 1341 

27/45  0:30   -1.04++  1.a3 (41.145.929) 1345 

27/45  0:30   -0.84++  1.a3 (41.673.883) 1344 

27/45  0:32   -1.00    1.a3 Qc7 2.e4 Be7 3.h3 Rd8 4.Re1 h6 
                       5.Be3 O-O 6.Rad1 Nd7 7.Qc1 Rfe8 
                       8.Bf4 Qb6 9.Be3 a5 10.e5 Qc6 11.Qc2 b4 
                       12.axb4 axb4 13.d5 exd5 14.Nxd5 (44.109.267) 1340 

28/35  0:34   -1.09--  1.a3 Qc7 (46.494.583) 1342 

28/35  0:36   -1.18--  1.a3 Qc7 (49.349.322) 1342 

28/35  0:38   -1.09++  1.a3 (51.498.116) 1342 

28/37  0:40   -1.18    1.a3 Qc7 2.e4 Be7 3.h3 Rd8 4.Be3 O-O 
                       5.Rac1 h6 6.Re1 Rfe8 7.Rcd1 Bf8 
                       8.Ne5 Nd7 9.Nxd7 Qxd7 10.f3 f5 
                       11.Bf2 Qf7 12.Bh4 g5 13.Bg3 Bg7 
                       14.Bf2 (53.859.030) 1339 

29/36  0:41   -1.09++  1.a3 (55.472.459) 1338 

29/36  0:42   -1.16    1.a3 Qc7 2.e4 Be7 3.h3 Rd8 4.Be3 O-O 
                       5.Re1 h6 6.Rad1 Rfe8 7.Kh1 Nd7 8.Kg1 Bd6 
                       9.Bd2 Bf8 10.Be3 Be7 11.g3 f5 12.Bf4 Qb6 
                       13.Ne5 fxe4 14.Nxe4 (56.836.204) 1339 

30/34  0:46   -1.09    1.a3 Qc7 2.e4 Be7 3.h3 Rd8 4.Be3 O-O 
                       5.Re1 h6 6.Rad1 Rfe8 7.Kh1 Nd7 8.Kg1 Bd6 
                       9.Bd2 Bf8 10.Be3 Be7 11.Bd2 Rf8 
                       12.Be3 f5 13.Bd2 Qd6 14.exf5 (62.806.049) 1342 

31/39  0:49   -1.18--  1.a3 Qc7 (66.464.436) 1344 

31/39  0:52   -1.28--  1.a3 Qc7 (70.098.805) 1346 

31/40  0:55   -1.18++  1.a3 (74.972.192) 1345 

31/43  0:58   -1.15    1.a3 Qc7 2.Re1 Rd8 3.e4 Be7 4.h3 h6 
                       5.Be3 O-O 6.Rad1 Nd7 7.Bd2 Rfe8 
                       8.Be3 Bf8 9.Kh1 Bd6 10.Kg1 e5 
                       11.Nxe5 Nxe5 12.dxe5 Bxe5 13.Nd5 Qb8 
                       14.Kh1 (78.035.446) 1343 

32/41  1:00   -1.05++  1.a3 (81.422.546) 1345 

32/42  1:08   -0.96++  1.a3 (91.879.349) 1344 

32/42  1:10   -1.02    1.a3 Qc7 2.Re1 Bxf3 3.gxf3 Be7 4.e4 O-O 
                       5.Be3 Rfd8 6.Ne2 Rac8 7.Ng3 a5 
                       8.Rec1 Qb7 9.Kg2 Nd7 10.f4 Nf8 11.f5 g6 
                       12.f3 exf5 13.exf5 Bf6 14.Qe4 (95.324.344) 1344 

33/42  1:15   -0.92++  1.a3 (102.043.095) 1344 

33/45  1:28   -1.11--  1.a3 Qc7 (119.157.385) 1345 

33/45  1:38   -0.97++  1.a3 (131.822.873) 1341 

33/45  1:45   -0.94    1.a3 Qc7 2.Re1 Bxf3 3.gxf3 Be7 4.e4 Rd8 
                       5.Ne2 Nh5 6.Be3 O-O 7.Rad1 Bh4 8.f4 f5 
                       9.d5 fxe4 10.Qxe4 exd5 11.Rxd5 Nf6 
                       12.Qe6+ Qf7 13.Qxf7+ Kxf7 14.Rxd8 (142.065.661) 1342 

34/45  2:05   -0.85++  1.a3 (168.649.678) 1345 

34/55  2:16   -0.98    1.a3 Qc7 2.Re1 Bxf3 3.gxf3 Be7 4.e4 O-O 
                       5.Be3 Rad8 6.Ne2 Rc8 7.Bf4 Qd7 
                       8.Rad1 Rfd8 9.Bd2 Qc7 10.Qc3 Nh5 
                       11.Rc1 g6 12.Kg2 Qd7 13.f4 Qb7 
                       14.Ng3 (183.367.806) 1343 

35/49  2:28   -1.07--  1.a3 Qc7 (200.388.798) 1346 

35/49  2:50   -0.98++  1.a3 (229.589.767) 1349 

35/49  3:17   -0.84++  1.a3 (266.321.985) 1349 

35/49  3:20   -0.88    1.a3 Qc7 2.e4 Be7 3.Re1 h6 4.Be3 O-O 
                       5.Rad1 Rad8 6.Ne5 Bd6 7.f4 Rfe8 
                       8.Bf2 Nh5 9.g3 Nf6 10.Qe2 Bf8 11.h3 Nd7 
                       12.Nxd7 Qxd7 13.d5 exd5 14.Qh5 (270.398.597) 1349 

36/46  3:32   -0.97--  1.a3 Qc7 (287.738.902) 1351 

36/46  3:35   -1.07--  1.a3 Qc7 (291.002.410) 1351 

36/51  4:28   -0.97++  1.a3 (363.871.011) 1354 

36/51  4:38   -0.97    1.a3 Qc7 2.e4 Be7 3.Be3 O-O 4.Ne5 Rad8 
                       5.Rac1 Bd6 6.h3 Be7 7.Re1 h6 8.Rcd1 Rfe8 
                       9.f3 Bd6 10.Qf2 Nh7 11.f4 f6 12.Ng6 Qf7 
                       13.Nh4 Bc7 14.Nf3 (377.916.186) 1355 

37/51  4:54   -1.07--  1.a3 Qc7 (399.985.030) 1356 

37/51  5:05   -0.97++  1.a3 (414.735.445) 1357 

37/51  5:42   -1.16--  1.a3 Qc7 (465.267.050) 1356 

37/51  5:59   -1.00++  1.a3 (487.804.957) 1357 

37/52  6:31   -1.01    1.a3 Qc7 2.e4 Be7 3.Ne5 O-O 4.Bf4 Nh5 
                       5.Be3 Rac8 6.Rac1 Nf6 7.f3 Nd7 8.Bf4 Rfe8 
                       9.Bg3 Nxe5 10.Bxe5 Qd7 11.d5 Bg5 
                       12.Ra1 exd5 13.Nxd5 Qe6 14.Bg3 (531.338.024) 1357 

38/49  7:09   -1.11--  1.a3 Qc7 (582.688.677) 1357 

38/49  7:22   -1.01++  1.a3 (600.438.820) 1358 

38/49  7:43   -1.15    1.a3 Qc7 2.e4 Rd8 3.Be3 Be7 4.Re1 O-O 
                       5.Rad1 Rfe8 6.Ne5 Bd6 7.f3 Nd7 8.f4 f6 
                       9.Nxd7 Qxd7 10.e5 Bc7 11.Ne4 Bxe4 
                       12.Qxe4 Qd5 13.Qc2 f5 14.h3 (629.635.613) 1357 

39/45  8:04   -1.06++  1.a3 (658.080.885) 1357 

39/51  8:10   -0.97++  1.a3 (666.014.927) 1357 

39/51  8:28   -1.15    1.a3 Qc7 2.e4 Be7 3.Ne5 O-O 4.Bf4 Nh5 
                       5.Be3 Rac8 6.Rac1 Rcd8 7.Qe2 Nf6 
                       8.f3 Ne8 9.f4 Nf6 10.Qc2 Bd6 11.g3 Rfe8 
                       12.Bf2 Bf8 13.h3 h6 14.Qe2 (689.285.445) 1356 

40/54  8:59   -1.06++  1.a3 (731.885.771) 1356 

40/54  9:14   -0.97++  1.a3 (751.570.204) 1354 

40/54  9:49   -0.93    1.a3 Qc7 2.e4 Be7 3.Ne5 O-O 4.Bf4 Nh5 
                       5.Be3 Rac8 6.Rac1 Rcd8 7.h3 Nf6 
                       8.Rd2 Rfe8 9.Ng4 Nd7 10.Rcd1 Nf8 
                       11.Ne5 Bd6 12.Nf3 Ng6 13.h4 h5 
                       14.Bg5 (797.911.976) 1352 

41/48  10:11  -1.03--  1.a3 Qc7 (827.214.625) 1352 

41/56  10:51  -1.12--  1.a3 Qc7 (880.005.373) 1351 

41/57  12:08  -1.03++  1.a3 (985.611.022) 1353 

41/57  20:27  -0.99    1.a3 Be7 2.e4 O-O 3.Ne5 Rc8 4.Be3 Qd6 
                       5.Re1 Nd7 6.Nxd7 Qxd7 7.Rad1 f5 8.f3 a5 
                       9.d5 b4 10.dxe6 Qxe6 11.Nd5 fxe4 
                       12.Nxe7+ Qxe7 13.Bd4 Rf4 14.axb4 (1.674.772.848) 1364 

42/53  21:47  -1.08--  1.a3 Be7 (1.785.333.881) 1365 

42/54  22:34  -0.99++  1.a3 (1.850.805.826) 1366 

42/64  29:01  -1.15    1.a3 Be7 2.e4 O-O 3.Ne5 Rc8 4.Be3 Qc7 
                       5.Rac1 Rcd8 6.f3 Nd7 7.Nxd7 Rxd7 
                       8.Re1 Rfd8 9.Rcd1 Qb8 10.Qf2 Bd6 
                       11.e5 Bc7 12.Bg5 Rf8 13.Qh4 Bb6 
                       14.Be7 (2.390.920.223) 1372 

43/57  29:35  -1.06++  1.a3 (2.437.524.737) 1373 

43/57  29:56  -0.96++  1.a3 (2.466.196.942) 1372 

43/60  33:44  -1.05    1.a3 Qc7 2.Bd2 Bd6 3.e4 Be7 4.h3 Rd8 
                       5.Be3 O-O 6.Rd2 Nd7 7.Rad1 Rfe8 8.d5 Nf6 
                       9.dxe6 fxe6 10.Rxd8 Rxd8 11.Nd4 Bc8 
                       12.b4 Bf8 13.Nf3 Rxd1+ 14.Qxd1 (2.785.250.773) 1376 

44/59  36:48  -1.14--  1.a3 Be7 (3.041.164.581) 1377 

44/59  37:58  -1.05++  1.a3 (3.139.411.911) 1377 

44/62  42:01  -1.00    1.a3 Be7 2.e4 O-O 3.Ne5 Rc8 4.Bf4 Qb6 
                       5.Be3 Rfd8 6.f3 Nd7 7.Nxd7 Rxd7 
                       8.Qf2 Qc7 9.e5 Rcd8 10.Qg3 Kh8 
                       11.Qg4 h6 12.Ne4 Bf8 13.Qh5 Kh7 
                       14.Rac1 (3.482.236.614) 1380 

45/55  46:36  -0.90++  1.d5 (3.873.543.599) 1385 

45/61  50:43  -1.09--  1.d5 Qb6 (4.233.395.934) 1390 

45/63  56:02  -0.95++  1.d5 (4.701.985.840) 1398 

45/73  67:50  -0.91    1.d5 Qc7 2.dxe6 fxe6 3.b3 Bb4 4.bxc4 O-O 
                       5.Ne2 bxc4 6.Rd4 Rac8 7.Rb1 a5 8.a3 Be7 
                       9.Rh4 Bxf3 10.gxf3 Qc6 11.Nd4 Qd5 
                       12.Rh3 Bc5 13.Nb5 Qf5 14.Qxf5 (5.738.757.034) 1409
Debugging is twice as hard as writing the code in the first
place. Therefore, if you write the code as cleverly as possible, you
are, by definition, not smart enough to debug it.
-- Brian W. Kernighan
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carldaman
Posts: 2283
Joined: Sat Jun 02, 2012 2:13 am

Re: Analyze a position

Post by carldaman »

Look wrote: ↑Mon Jul 15, 2019 8:36 pm Can you analyze this opening position for me ?

[d]r2qkb1r/1b3ppp/p3pn2/1p6/2pP4/2N1PN2/PPQ2PPP/R1BR2K1 w kq - 0 13

The position is taken from an online game.
This is a position coming out of the QGA, where White has to labor to find any advantage -- even coming up with a playable line that offers at least equality is a challenge. White needs to get in moves like e4 and maybe d5 to get decent play.

The human attempt here would be to play 13.a3 so that white could carry out the freeing e4 push without worrying about an immediate b5-b4 by black. 13.a3 actually transposes to a Bogolyubow-Alekhine game, quickly drawn, from the WC match held in 1934. Alekhine equalized right away with 13...Nd5!, where e4 could be met by trading on c3 and then Be7, 0-0 and f5! with a good game for Black.

I consulted with Nezh on this one, and it suggests the immediate 13.e4!? as a more energetic approach. It was originally played by Laszlo Szabo vs Max Euwe. After 13..b4, Szabo went with 14.e5 and the Knights on c3 and f6 got traded off and White got no advantage, eventually losing.

Nezh suggests a possible improvement over 14.e5: 14.Qa4!?N a move that is bound to create more problems for Black, who now has to defend accurately. The e4 pawn will be given up for its c4 counterpart, and White untangles with a decent position, where Black is not objectively worse, but has to work out real solutions to the problems posed by White. The Queens get traded but White's pieces get active quickly. I would look into this, although it is more likely to help in OTB play than correspondence.
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USGroup1
Posts: 33
Joined: Sun Oct 14, 2018 7:01 pm
Full name: Sina Vaziri

Re: Analyze a position

Post by USGroup1 »

Stockfish Analysis

Code: Select all

FEN: r2qkb1r/1b3ppp/p3pn2/1p6/2pP4/2N1PN2/PPQ2PPP/R1BR2K1 w kq - 0 13
Engine: stockfish_19071415_x64_bmi2.exe
Threads: 3
Hash: 512
Start Time: 7/16/2019 2:15:06 AM


 Depth  Time   Eval     Line
-----------------------------
 1      00:00  +0.76    13. e4
 2      00:00  +0.69    13. Ne5 g6
 3      00:00  +0.19    13. a3 Bxf3 14. gxf3
 4      00:00  +0.78    13. ,, h5 14. e4 h4
 5      00:00  +0.44    13. ,, Bxf3 14. gxf3 h5 15. e4
 7      00:00  +0.54    13. ,, ,,,, 14. ,,,, Bd6 15. e4 Nd7 16. Be3
 9      00:00  +1.13    13. d5 Qc7 14. e4 b4 15. dxe6 bxc3 16. Ng5
 10     00:00  -0.36    13. ,, ,,, 14. dxe6 fxe6 15. e4 b4 16. Qa4+ Qc6 17. Ne5 Qxa4 18. Nxa4
 11     00:00  -0.32    13. ,, ,,, 14. e4 Bd6 15. dxe6 fxe6 16. Be3 O-O 17. a3
 12     00:00  +0.07    13. ,, exd5 14. e4 Bc5 15. Nxd5 Bxd5 16. Bg5
 13     00:00  +0.14    13. ,, Qc7 14. e4 Bd6 15. Bg5 O-O 16. Bxf6 gxf6 17. a3 Kg7 18. Rac1 Rad8 19. Qd2 Rfe8 20. Rc2
 14     00:00  -0.09    13. ,, ,,, 14. ,, Be7 15. Be3 O-O 16. Bd4 Nd7 17. a3 exd5 18. Nxd5 Bxd5 19. exd5 Bd6 20. Bc3 Rfe8
 15     00:00  -0.38    13. ,, ,,, 14. ,, ,,, 15. Bg5 O-O 16. Bxf6 Bxf6 17. d6 Qb6 18. e5 Bxf3 19. exf6 Bxd1 20. Rxd1 Qc6 21. Ne4
 16     00:00  -0.34    13. ,, ,,, 14. dxe6 fxe6 15. Ng5 Qc6 16. f3 Bc5 17. b3 O-O 18. Nce4 Nxe4 19. Nxe4 Rad8 20. bxc4 Rxd1+ 21. Qxd1 Bb6 22. cxb5 axb5 23. Qb3 Rd8
 17     00:00  +0.06    13. ,, ,,, 14. ,,,, ,,,, 15. ,,, ,,, 16. ,, ,,, 17. ,, Qb6 18. Nce4 Nxe4 19. Nxe4 O-O 20. bxc4 Bxe4 21. Qxe4 Rad8 22. Bb2 Bxe3+ 23. Kh1 Rxd1+ 24. Rxd1 bxc4
 18     00:01  -0.30    13. a3 Bxf3 14. gxf3 Nd5 15. e4 Nxc3 16. Qxc3 Bd6 17. f4 Qh4 18. Qf3 O-O 19. Be3 Bc7 20. d5 Rad8 21. Qg3 Qxg3+ 22. hxg3 exd5 23. exd5 Rfe8
 19     00:01  -0.10    13. d5 Qc7 14. dxe6 fxe6 15. Ng5 Be7 16. Nxe6 Qc6 17. Nf4 Bd6 18. f3 O-O 19. Nce2 Rae8 20. Nd4 Qc8 21. Kh1 Be5 22. Bd2
 20     00:01  -0.05    13. ,, ,,, 14. ,,,, ,,,, 15. ,,, ,,, 16. ,,,, ,,, 17. ,,, ,,, 18. ,, ,,, 19. ,,,, ,,,, 20. ,,, ,,, 21. ,,, ,,, 22. ,,, Nd5 23. Nxd5 Bxd5 24. e4
 21     00:02  -0.31    13. a3 Qc7 14. e4 Be7 15. Be3 O-O 16. h3 h6 17. d5 Rad8 18. dxe6 fxe6 19. Nd4 Rfe8 20. Nxe6 Rxd1+ 21. Rxd1 Qe5 22. Nf4 Bd6 23. a4 Nxe4 24. Nxe4 Bxe4 25. Qe2
 22     00:03  -0.47    13. ,, ,,, 14. ,, ,,, 15. ,,, ,,, 16. ,, Rad8 17. Re1 h6 18. Rad1 Nd7 19. Rd2 b4 20. axb4 Bxb4 21. d5 exd5 22. exd5 Nf6 23. Rd4 Nxd5 24. Nxd5 Bxd5 25. Red1 Bxf3 26. gxf3 Rxd4 27. Rxd4
 23     00:04  -0.46    13. ,, ,,, 14. ,, ,,, 15. h3 Rd8 16. Be3 O-O 17. Re1 h6 18. Ne5 Bd6 19. f4 Qb8 20. Rad1 Qa8 21. Bf2 Qc8 22. Qc1 Qc7 23. Qe3 Kh8 24. Bh4 Rg8 25. Qf2
 24     00:05  -0.35    13. ,, Be7 14. e4 Qc7 15. Be3 O-O 16. h3 h6 17. Re1 Rad8 18. Rad1 Qb8 19. Ne5 Bd6 20. Ng4 Nxg4 21. hxg4 Rd7 22. g3 Qd8 23. d5 Be5 24. f4 Bxc3 25. bxc3 exd5
 25     00:08  -0.59    13. ,, ,,, 14. ,, ,,, 15. ,,, ,,, 16. ,, ,, 17. ,,, ,,,, 18. ,,,, Rfe8 19. Ne5 Bd6 20. f4 Nh5 21. Rf1 Qc8 22. Kh2 Nf6 23. Ng4 Nxg4+ 24. hxg4 f5 25. e5 Bc7 26. Qe2 Bb6 27. Rfe1 Qc6 28. gxf5 exf5
 26     00:11  -0.55    13. d5 Qc7 14. e4 Be7 15. Bg5 Rd8 16. Re1 b4 17. Nd1 exd5 18. Bxf6 gxf6 19. Nd4 O-O 20. Ne3 Bc5 21. Ndf5 Kh8 22. Rad1 Bxe3 23. Nxe3 dxe4 24. Rc1 f5 25. Qxc4 Qxc4 26. Rxc4 f4 27. Rxb4 Bc8 28. Nc4 Rd4 29. Ra4 Kg7
 27     00:13  -0.55    13. ,, ,,, 14. ,, ,,, 15. ,,, O-O 16. d6 Bxd6 17. Rxd6 Qxd6 18. e5 Qd3 19. Qxd3 cxd3 20. exf6 Bxf3 21. gxf3 h6 22. Be3 Rfd8 23. fxg7 Kxg7 24. a3 Rac8 25. Kg2 Kh7 26. f4 a5 27. Bd2 b4 28. axb4 axb4 29. Nd1 Rc2
 28     00:18  -0.19    13. ,, ,,, 14. ,, ,,, 15. ,,, ,,, 16. ,, ,,,, 17. ,,,, ,,,, 18. ,, ,,, 19. ,,,, ,,,, 20. ,,,, h6 21. Be3 Bxf3 22. gxf3 Rfd8 23. fxg7 Kxg7 24. Ne4 Rac8 25. Kh1 f5 26. Nc5 Kf6 27. b4 Rd5 28. Rc1 d2
 29     00:27  -0.45    13. ,, ,,, 14. ,, ,,, 15. ,,, Rd8 16. Re1 b4 17. Nd1 exd5 18. Bxf6 gxf6 19. exd5 Bxd5 20. Rc1 Qf4 21. Qe2 O-O 22. Ne3 Bxf3 23. Qxf3 Qxf3 24. gxf3 c3 25. bxc3 bxc3 26. Red1 Rxd1+ 27. Nxd1 Rd8 28. Nxc3 Rc8 29. Ne2 Rxc1+ 30. Nxc1 Kg7 31. Ne2 Bc5 32. Kg2 Bd6 33. h3 Kg6 34. f4 Kf5 35. Kf3
 30     00:37  -0.28    13. e4 Qc7 14. Bg5 Be7 15. Bxf6 Bxf6 16. e5 Be7 17. d5 Bxd5 18. Nxd5 exd5 19. Rxd5 O-O 20. Rad1 Rad8 21. h3 Rxd5 22. Rxd5 b4 23. Rd1 c3 24. Re1 Qc4 25. bxc3 bxc3 26. Re3 Rc8 27. g3 Qb4 28. e6 fxe6 29. Rxe6 Bf6 30. Re1 Qb7
 31     01:03  -0.30    13. d5 Qc7 14. e4 Be7 15. d6 Bxd6 16. Rxd6 Qxd6 17. e5 Qd3 18. Qxd3 cxd3 19. exf6 gxf6 20. Ne1 e5 21. a4 e4 22. axb5 axb5 23. Rxa8+ Bxa8 24. f3 f5 25. Kf2 b4 26. Nb5 Ke7 27. Ke3 Re8 28. Bd2 Kd7 29. fxe4 fxe4 30. Nd4 Rb8 31. g4 Kd6 32. Ng2 Kd5 33. Nf4+ Kc5 34. Nf5 Kc4 35. Ng3 Re8 36. Nf5 Re5 37. Nd6+ Kb3 38. Nxf7
 32     01:15  0.00     13. ,, ,,, 14. ,, h6 15. dxe6 fxe6 16. e5 Bxf3 17. exf6 Bxd1 18. Qe4 O-O-O 19. Bf4 e5 20. Bxe5 Qb7 21. Qg6 Qc6 22. Qf5+ Qd7 23. Qe4 Qb7
 33     01:54  0.00     13. ,, ,,, 14. ,, Be7 15. d6 Bxd6 16. Rxd6 Qxd6 17. e5 Qd3 18. Qxd3 cxd3 19. exf6 gxf6 20. Ne1 e5 21. f3 O-O-O 22. Bd2 f5 23. a4 b4 24. Nd1 Bd5 25. Nxd3 Bxf3 26. Rc1+ Kb7 27. N1f2 Rhg8 28. g3 a5 29. Rc5 Be2 30. Rb5+ Kc7 31. Rc5+
 34     02:04  0.00     13. ,, ,,, 14. ,, ,,, 15. ,, ,,,, 16. ,,,, ,,,, 17. ,, ,,, 18. ,,,, ,,,, 19. ,,,, ,,,, 20. ,,, ,, 21. ,, ,,,,, 22. ,,, ,, 23. ,, Bc6 24. axb5 axb5 25. Ra7 e4 26. Rxf7 e3 27. Bxe3 d2 28. Nc2 d1=R+ 29. Nxd1 Rxd1+ 30. Kf2 Bd5 31. Ra7 Re8 32. Na3 Bc6 33. Ra6 Kd7 34. Ra7+
 35     02:23  -0.15    13. ,, ,,, 14. ,, Rd8 15. Re1 exd5 16. exd5+ Be7 17. Bg5 O-O 18. Qe2 Bb4 19. Bxf6 gxf6 20. Nd4 Qf4 21. Rad1 Bxd5 22. Nxd5 Rxd5 23. g3 Qe5 24. Qxe5 fxe5 25. Nc6 Bxe1 26. Rxd5 c3 27. bxc3 Re8 28. c4 bxc4 29. Rd1 Re6 30. Nd8 Re8

13. d5 Qc7 14. e4 Rd8 15. Re1 exd5 16. exd5+ Be7 17. Bg5 O-O 18. Qe2 Bb4 19. Bxf6 gxf6 20. Nd4 Qf4 21. Rad1 Bxd5 22. Nxd5 Rxd5 23. g3 Qe5 24. Qxe5 fxe5 25. Nc6 Bxe1 26. Rxd5 c3 27. bxc3 Re8 28. c4 bxc4 29. Rd1 Re6 30. Nd8 Re8


Best Move: d5
Best Reply: Qc7
Evaluation: -0.15
Depth: 35
Analysis Time: 00:03:00.3369783
Generated by ChessTricks v6.3
White Ideas
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zullil
Posts: 6442
Joined: Tue Jan 09, 2007 12:31 am
Location: PA USA
Full name: Louis Zulli

Re: Analyze a position

Post by zullil »

Cfish-dev, with 6-man tables:

0.00 13. d5 Qc7 14. e4 Rd8 15. Be3 exd5 16. exd5 Nxd5 17. Rxd5 Rxd5 18. Qe4+ Qe7 19. Qf4 Rd3 20. Re1 Bxf3 21. gxf3 Qb7 22. Bd4+ Be7 23. Bc5 Rd7 24. Nd5 Rxd5 25. Rxe7+ Qxe7 26. Bxe7 Kxe7 27. Qe4+ Kd6 28. Qf4+ (depth 55, 2:49:29)
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zullil
Posts: 6442
Joined: Tue Jan 09, 2007 12:31 am
Location: PA USA
Full name: Louis Zulli

Re: Analyze a position

Post by zullil »

zullil wrote: ↑Tue Jul 16, 2019 1:07 am Cfish-dev, with 6-man tables:

0.00 13. d5 Qc7 14. e4 Rd8 15. Be3 exd5 16. exd5 Nxd5 17. Rxd5 Rxd5 18. Qe4+ Qe7 19. Qf4 Rd3 20. Re1 Bxf3 21. gxf3 Qb7 22. Bd4+ Be7 23. Bc5 Rd7 24. Nd5 Rxd5 25. Rxe7+ Qxe7 26. Bxe7 Kxe7 27. Qe4+ Kd6 28. Qf4+ (depth 55, 2:49:29)
0.00 13. d5 Qc7 14. e4 Be7 15. d6 Bxd6 16. Rxd6 Qxd6 17. e5 Qe7 18. exf6 Qxf6 19. Ne4 Bxe4 20. Qxe4 O-O 21. Qe2 Rfe8 22. a4 e5 23. h3 e4 24. Nh2 Rad8 25. Nf1 Qe5 26. g3 Rd3 27. axb5 axb5 28. Kg2 b4 29. Ne3 c3 30. Ra4 Qb5 31. Ra7 Qb8 32. Ra4 (depth 56, 3:19:52)

0.00 13. d5 Qc7 14. e4 Be7 15. d6 Bxd6 16. Rxd6 Qxd6 17. e5 Qe7 18. exf6 Qxf6 19. Ne4 Bxe4 20. Qxe4 O-O 21. Qe2 Rfe8 22. a4 e5 23. h3 e4 24. Nh2 Rad8 25. Nf1 h6 26. Be3 Rd3 27. axb5 axb5 28. Ng3 Rd5 29. Ra7 Qd6 30. Rb7 h5 31. h4 Ra8 32. Kh2 Re8 (depth 57, 3:36:26)
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zullil
Posts: 6442
Joined: Tue Jan 09, 2007 12:31 am
Location: PA USA
Full name: Louis Zulli

Re: Analyze a position

Post by zullil »

zullil wrote: ↑Tue Jul 16, 2019 1:45 am
zullil wrote: ↑Tue Jul 16, 2019 1:07 am Cfish-dev, with 6-man tables:

0.00 13. d5 Qc7 14. e4 Rd8 15. Be3 exd5 16. exd5 Nxd5 17. Rxd5 Rxd5 18. Qe4+ Qe7 19. Qf4 Rd3 20. Re1 Bxf3 21. gxf3 Qb7 22. Bd4+ Be7 23. Bc5 Rd7 24. Nd5 Rxd5 25. Rxe7+ Qxe7 26. Bxe7 Kxe7 27. Qe4+ Kd6 28. Qf4+ (depth 55, 2:49:29)
0.00 13. d5 Qc7 14. e4 Be7 15. d6 Bxd6 16. Rxd6 Qxd6 17. e5 Qe7 18. exf6 Qxf6 19. Ne4 Bxe4 20. Qxe4 O-O 21. Qe2 Rfe8 22. a4 e5 23. h3 e4 24. Nh2 Rad8 25. Nf1 Qe5 26. g3 Rd3 27. axb5 axb5 28. Kg2 b4 29. Ne3 c3 30. Ra4 Qb5 31. Ra7 Qb8 32. Ra4 (depth 56, 3:19:52)

0.00 13. d5 Qc7 14. e4 Be7 15. d6 Bxd6 16. Rxd6 Qxd6 17. e5 Qe7 18. exf6 Qxf6 19. Ne4 Bxe4 20. Qxe4 O-O 21. Qe2 Rfe8 22. a4 e5 23. h3 e4 24. Nh2 Rad8 25. Nf1 h6 26. Be3 Rd3 27. axb5 axb5 28. Ng3 Rd5 29. Ra7 Qd6 30. Rb7 h5 31. h4 Ra8 32. Kh2 Re8 (depth 57, 3:36:26)
0.00 13. d5 Qc7 14. e4 Bc5 15. d6 Bxd6 16. Rxd6 Qxd6 17. e5 Qc7 18. exf6 gxf6 19. Ne1 f5 20. a4 b4 21. Ne2 a5 22. Be3 f6 23. Nf4 Qc6 24. Nf3 Rd8 25. Nd4 Rxd4 26. Bxd4 O-O 27. f3 e5 28. Rc1 exf4 29. Qxf5 Qd6 30. Bc5 Qd2 31. Qe6+ Rf7 32. Rxc4 Qd1+ 33. Kf2 Qd2+ (depth 58, 4:27:11)
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User avatar
Eelco de Groot
Posts: 4565
Joined: Sun Mar 12, 2006 2:40 am
Full name:   

Re: Analyze a position

Post by Eelco de Groot »

Kaissa thinks that e4 and d5 can transpose, but definitely no 0.00 eval for both. This is with Multi PV started after the single line search, so it can profit from that first search. The PV is now more similar to that of Louis's CFish. No tablebases though that can make a difference and there are some experiments going on in search. bench is a low
Total time (ms) : 2363
Nodes searched : 2785097
Nodes/second : 1178627
So somewhere shortcut but the bench was surprising. Small diff in evaluate.cpp compared to Stockfish 20190531.


r2qkb1r/1b3ppp/p3pn2/1p6/2pP4/2N1PN2/PPQ2PPP/R1BR2K1 w kq -

Engine: Kaissa IV NoContempt (512 MB)
by T. Romstad, M. Costalba, J. Kiiski, G. Linscott

45 265:56 -0.68 1.d5 Qc7 2.e4 Be7 3.d6 Bxd6 4.Rxd6 Qxd6
5.e5 Qc7 6.exf6 gxf6 7.Ne1 f5 8.Ne2 f6
9.Bf4 Qe7 10.Be3 Rd8 11.b3 Rc8
12.bxc4 Rxc4 13.Qd3 Be4 14.Qb3 (22.326.037.537) 1399

45 265:56 -0.71 1.e4 Be7 2.d5 Qc7 3.d6 Bxd6 4.Rxd6 Qxd6
5.e5 Qc7 6.exf6 gxf6 7.Ne1 f5 8.Ne2 f6
9.Bf4 Qe7 10.Be3 Rb8 11.Nd4 Rc8
12.f4 Kf7 13.Qe2 Rhe8 14.Nef3 (22.326.037.537) 1399

44 265:56 -1.04 1.Bd2 Rc8 2.a3 Be7 3.e4 O-O 4.Bg5 h6
5.Be3 Qc7 6.Ne5 Rcd8 7.f3 Nd7 8.Nxd7 Rxd7
9.Re1 Rfd8 10.Rad1 Bf8 11.Bf2 Bc6
12.e5 a5 13.Ne4 a4 14.Nc3 (22.326.037.537) 1399

44 265:56 -1.06 1.a3 Be7 2.e4 O-O 3.Ne5 Rc8 4.h3 Qc7
5.Qe2 Rfe8 6.Bf4 Qb6 7.f3 Rcd8 8.Be3 Qc7
9.Qf2 Nd7 10.Nxd7 Rxd7 11.e5 Red8
12.Ne4 h6 13.Rac1 a5 14.h4 (22.326.037.537) 1399

44 265:56 -1.08 1.h3 Qc7 2.a3 Be7 3.e4 O-O 4.Bg5 Rfd8
5.Ne5 h6 6.Be3 Rac8 7.f3 Bd6 8.Qf2 Nd7
9.Nxd7 Qxd7 10.e5 Bf8 11.Qg3 Kh8
12.Qe1 a5 13.Ne4 Qc7 14.Bg5 (22.326.037.537) 1399

44 265:56 -1.15 1.Re1 Be7 2.e4 O-O 3.a3 Nd7 4.Bf4 Qb6
5.Qe2 Rfd8 6.Rad1 Bf8 7.Bg5 Re8
8.Bf4 Qc6 9.Bg3 h6 10.Qd2 Rad8 11.h3 Qb6
12.Qe2 Ba8 13.Ra1 Qb7 14.Rac1 (22.326.037.537) 1399

44 265:56 -1.29 1.Qe2 Be7 2.a3 Qb6 3.e4 O-O 4.Qc2 Rad8
5.h3 Qc7 6.Be3 Nd7 7.Re1 h6 8.Rad1 Rfe8
9.Qc1 Bd6 10.Qd2 Bf8 11.Bf4 Qb6
12.Qe2 Rc8 13.Rc1 Nf6 14.Bg3 (22.326.037.537) 1399

Nice to read about the history of this line, and that it was played by Alekhine, Euwe, back in the 1930's I suppose. Cool, thanks for that!

Code: Select all

 40	70:37 	-0.59 	1.d5 Qc7 2.e4 Rc8 3.Bg5 Be7 4.Bh4 b4 5.d6 Bxd6 6.e5 Bxe5 7.Nxe5 bxc3 8.Qa4+ Bc6 9.Nxc6 Qxc6 10.Qxc6+ Rxc6 11.Bxf6 gxf6 12.bxc3 O-O 13.Rab1 Kg7 14.a4 (5.808.215.275) 1370
 40	70:37 	-0.75 	1.e4 Qc7 2.d5 Rc8 3.Bg5 Be7 4.Bh4 O-O 5.Bg3 Qb6 6.d6 Bd8 7.h3 Nd7 8.Ne5 Nxe5 9.Bxe5 f6 10.Bf4 b4 11.d7 Rc6 12.Be3 Qc7 13.Ne2 c3 14.bxc3 (5.808.215.275) 1370
 40	70:37 	-1.06 	1.Bd2 Rc8 2.a3 Be7 3.e4 O-O 4.h3 Re8 5.Be3 Qc7 6.Ne5 Rcd8 7.Rab1 Bf8 8.Rd2 Bd6 9.Rdd1 h6 10.Rbc1 Rf8 11.Nf3 Be7 12.Rd2 Nd7 13.Rcd1 Rfe8 14.d5 (5.808.215.275) 1370
 40	70:37 	-1.10 	1.h3 Qc7 2.a3 Be7 3.e4 O-O 4.Qe2 Rac8 5.Ne5 Rcd8 6.Bf4 Qb6 7.Qe3 Nh5 8.Bh2 Bd6 9.Qg5 Nf6 10.Qe3 h6 11.Nf3 Be7 12.Rac1 Nd7 13.Qf4 f5 14.Qe3 (5.808.215.275) 1370
 40	70:37 	-1.12 	1.Ne5 Qc7 2.e4 Bd6 3.Nf3 Be7 4.a3 O-O 5.Be3 Rad8 6.h3 Rfe8 7.Ne5 Bf8 8.Rd2 Bd6 9.Rf1 Bxe5 10.dxe5 Rxd2 11.Qxd2 Rd8 12.Qe2 Qxe5 13.Rd1 Rxd1+ 14.Qxd1 (5.808.215.275) 1370
 40	70:37 	-1.14 	1.a3 Be7 2.e4 O-O 3.Ne5 Rc8 4.Qe2 Qb6 5.Qf3 Rcd8 6.Be3 Qc7 7.Bf4 Bd6 8.Qe2 Ba8 9.Re1 Nd7 10.Nxd7 Rxd7 11.Bxd6 Rxd6 12.Rad1 Qd7 13.Qe3 Rd8 14.Ne2 (5.808.215.275) 1370
 40	70:37 	-1.18 	1.Re1 Be7 2.e4 O-O 3.a3 Re8 4.Bf4 Qb6 5.Rad1 Rad8 6.Be3 Nd7 7.e5 Qc7 8.Bg5 Bxf3 9.Bxe7 Rxe7 10.gxf3 f5 11.exf6 Nxf6 12.Qd2 h6 13.Re5 Nd5 14.Nxd5 (5.808.215.275) 1370
 
 41	99:06 	-0.53 	1.d5 Qc7 2.e4 Be7 3.d6 Bxd6 4.Rxd6 Qxd6 5.e5 Qc6 6.exf6 gxf6 7.Bf4 O-O-O 8.Ne1 h5 9.Be3 Rd3 10.Rc1 h4 11.Ne2 h3 12.b3 Rd7 13.bxc4 bxc4 14.Qxc4 (8.172.375.861) 1374
 41	99:06 	-0.73 	1.e4 Be7 2.d5 Qc7 3.d6 Bxd6 4.Rxd6 Qxd6 5.e5 Qe7 6.exf6 Qxf6 7.Ne4 Qe7 8.Bf4 Rd8 9.Re1 O-O 10.Neg5 Rd3 11.Ne5 h6 12.Ngf3 Rdd8 13.Bd2 Rd5 14.Qc3 (8.172.375.861) 1374
 41	99:06 	-1.05 	1.a3 Be7 2.e4 O-O 3.Ne5 Rc8 4.h3 Qc7 5.Qe2 Rcd8 6.Bf4 Qb6 7.Qe3 Nh5 8.Bh2 Rfe8 9.Rac1 h6 10.Ra1 Nf6 11.Bf4 Bf8 12.Rac1 Ba8 13.Bg3 Be7 14.Bf4 (8.172.375.861) 1374
 41	99:06 	-1.08 	1.h3 Qc7 2.a3 Rd8 3.e4 Be7 4.Qe2 O-O 5.Bg5 h6 6.Bh4 Rfe8 7.Rac1 Qb6 8.Qe3 Ra8 9.Qf4 Rac8 10.Ne5 Rcd8 11.Bxf6 Bxf6 12.Nxf7 Kxf7 13.e5 Qc7 14.Ne2 (8.172.375.861) 1374
 41	99:06 	-1.14 	1.Ne5 Qc7 2.e4 Bd6 3.Nf3 Be7 4.a3 O-O 5.Be3 Rad8 6.h3 Rfe8 7.Ne5 Bd6 8.f3 Bxe5 9.dxe5 Nd7 10.f4 Nc5 11.Bxc5 Qxc5+ 12.Qf2 Qc7 13.Qe3 h6 14.Rxd8 (8.172.375.861) 1374
 41	99:06 	-1.17 	1.Re1 Be7 2.e4 O-O 3.a3 Nd7 4.Bf4 Qb6 5.Rad1 Rad8 6.Bg3 h6 7.h3 Rfe8 8.Qe2 Bf8 9.e5 Qc6 10.Qc2 Nb6 11.Ne4 Nc8 12.Bf4 Qb6 13.Be3 Bd5 14.Bd2 (8.172.375.861) 1374
 41	99:06 	-1.21 	1.Bd2 Rc8 2.a3 Be7 3.e4 O-O 4.h3 Re8 5.Be3 Qc7 6.Ne5 Nd7 7.Nxd7 Qxd7 8.d5 Bf8 9.f3 exd5 10.Nxd5 Qe6 11.Nf4 Qc6 12.Qf2 Rcd8 13.Rd2 c3 14.Rxd8 (8.172.375.861) 1374
 
 42	151:31 	-0.55 	1.d5 Qc7 2.e4 Rd8 3.Be3 exd5 4.exd5 Nxd5 5.Nxd5 Rxd5 6.Rxd5 Bxd5 7.Bd4 Bxf3 8.Re1+ Kd8 9.gxf3 Qc6 10.Qc3 Kc8 11.b3 b4 12.Qxc4 Qxc4 13.bxc4 Bd6 14.c5 (12.611.318.141) 1387
 42	151:31 	-0.61 	1.e4 Be7 2.d5 Qc7 3.d6 Bxd6 4.Rxd6 Qxd6 5.e5 Qc7 6.exf6 gxf6 7.Ne1 f5 8.Be3 f4 9.Bd2 e5 10.Ne4 Qc6 11.f3 f5 12.Nf2 O-O 13.Bb4 Rf6 14.Qc3 (12.611.318.141) 1387
 42	151:31 	-0.92 	1.a3 Be7 2.e4 O-O 3.Ne5 Rc8 4.h3 Qc7 5.Qe2 Rcd8 6.Bf4 Bd6 7.Bg5 Bxe5 8.dxe5 Qxe5 9.Qe3 Qc7 10.Rac1 Rc8 11.Bh4 Rfd8 12.Bg5 Rd7 13.Bf4 e5 14.Bg5 (12.611.318.141) 1387
 42	151:31 	-1.03 	1.Re1 Be7 2.e4 Qc7 3.a3 h6 4.Ne5 Rd8 5.Be3 O-O 6.Rad1 Rfe8 7.f3 Nd7 8.Nxd7 Rxd7 9.Bf2 Bf8 10.d5 Bd6 11.g3 Red8 12.Kg2 Bf8 13.Qd2 exd5 14.Nxd5 (12.611.318.141) 1387
 42	151:31 	-1.17 	1.h3 Qc7 2.a3 Be7 3.e4 O-O 4.Be3 h6 5.Ne5 Rad8 6.Re1 Bd6 7.Rad1 Bxe5 8.dxe5 Nd7 9.f4 Nc5 10.Bxc5 Qxc5+ 11.Qf2 Qe7 12.Qe3 f6 13.exf6 Qxf6 14.Rxd8 (12.611.318.141) 1387
 42	151:31 	-1.20 	1.Qe2 Be7 2.e4 O-O 3.a3 Qb6 4.Bf4 Rad8 5.h3 h6 6.Qe3 Nd7 7.Ne5 Kh7 8.Nxd7 Rxd7 9.Qg3 Qd8 10.Qe3 f5 11.Be5 Bf6 12.Bxf6 Qxf6 13.f3 Rfd8 14.e5 (12.611.318.141) 1387
 42	151:31 	-1.22 	1.Bd2 Rc8 2.a3 Be7 3.e4 O-O 4.h3 Qd7 5.e5 Bxf3 6.gxf3 Nd5 7.f4 f6 8.Qe4 Rcd8 9.Qg2 Nxc3 10.bxc3 a5 11.Be3 Qd5 12.Rdc1 f5 13.Kh2 Rc8 14.Qxd5 (12.611.318.141) 1387
 
 43	195:06 	-0.62 	1.d5 Qc7 2.e4 Be7 3.d6 Bxd6 4.Rxd6 Qxd6 5.e5 Qc7 6.exf6 gxf6 7.Ne1 f5 8.Ne2 Rg8 9.Be3 f6 10.Nf4 Qc6 11.f3 e5 12.Nh5 f4 13.Bf2 Rg6 14.Rc1 (16.320.422.539) 1394
 43	195:06 	-0.69 	1.e4 Be7 2.d5 Qc7 3.d6 Bxd6 4.Rxd6 Qxd6 5.e5 Qc7 6.exf6 gxf6 7.Ne1 Rc8 8.Be3 f5 9.Ne2 f6 10.f4 Rg8 11.Nd4 Qe7 12.Qe2 Kf7 13.Bf2 Be4 14.Qh5+ (16.320.422.539) 1394
 43	195:06 	-0.96 	1.a3 Be7 2.e4 O-O 3.Ne5 Rc8 4.h3 Qc7 5.Qe2 Qb6 6.Qf3 Rfd8 7.Be3 Qc7 8.Bg5 Rf8 9.Qe2 Rfe8 10.Bf4 Bd6 11.Rac1 Nd7 12.Qh5 Nxe5 13.Bxe5 Rcd8 14.Bxd6 (16.320.422.539) 1394
 43	195:06 	-1.02 	1.Bd2 Rc8 2.a3 Qb6 3.e4 Be7 4.h3 h6 5.Be3 O-O 6.Ne5 Qc7 7.Rac1 Rcd8 8.f3 Nd7 9.Nxd7 Rxd7 10.e5 Rfd8 11.Ne4 Bd5 12.Nc3 Bc6 13.Ne4 Qb8 14.Bf2 (16.320.422.539) 1394
 43	195:06 	-1.14 	1.h3 Qc7 2.a3 Be7 3.e4 O-O 4.Be3 Rfd8 5.Ne5 Rac8 6.Rd2 Qb8 7.Rdd1 h6 8.Rac1 Bd6 9.f3 Bxe5 10.dxe5 Qxe5 11.Qf2 Rd7 12.Bd4 Qc7 13.Bxf6 Rxd1+ 14.Rxd1 (16.320.422.539) 1394
 43	195:06 	-1.18 	1.Re1 Be7 2.e4 O-O 3.a3 Nd7 4.Bf4 Qb6 5.Qe2 Rfd8 6.Rad1 Bf8 7.Bg5 Re8 8.Bf4 Qc6 9.Bg3 Rad8 10.Qd2 a5 11.a4 bxa4 12.Qc1 f6 13.h3 Nb6 14.Re2 (16.320.422.539) 1394
 43	195:06 	-1.29 	1.Qe2 Be7 2.a3 Qb6 3.e4 O-O 4.Qc2 Rfd8 5.Be3 Qc7 6.Ne5 Rac8 7.Rd2 Bd6 8.h3 Qe7 9.Nf3 Bc7 10.Rad1 h6 11.d5 exd5 12.exd5 Rd7 13.Bd4 Nxd5 14.Bxg7 (16.320.422.539) 1394
 
 44	249:21 	-0.53 	1.d5 Qc7 2.e4 Bc5 3.d6 Bxd6 4.Rxd6 Qxd6 5.e5 Qc7 6.exf6 gxf6 7.Ne1 Rc8 8.Be3 f5 9.Ne2 f6 10.f4 Rg8 11.Nd4 Qe7 12.Qe2 Kf7 13.Bf2 Bd5 14.Rd1 (20.894.775.093) 1396
 44	249:21 	-0.61 	1.e4 Be7 2.d5 Qc7 3.d6 Bxd6 4.Rxd6 Qxd6 5.e5 Qc7 6.exf6 gxf6 7.Ne1 Rc8 8.Be3 f5 9.Ne2 f6 10.f4 Rg8 11.Nd4 Qe7 12.Qe2 Kf7 13.Bf2 Be4 14.Qh5+ (20.894.775.093) 1396
 44	249:21 	-1.04 	1.Bd2 Rc8 2.a3 Be7 3.e4 O-O 4.Bg5 h6 5.Be3 Qc7 6.Ne5 Rcd8 7.f3 Nd7 8.Nxd7 Rxd7 9.Re1 Rfd8 10.Rad1 Bf8 11.Bf2 Bc6 12.e5 a5 13.Ne4 a4 14.Nc3 (20.894.775.093) 1396
 44	249:21 	-1.06 	1.a3 Be7 2.e4 O-O 3.Ne5 Rc8 4.h3 Qc7 5.Qe2 Rfe8 6.Bf4 Qb6 7.f3 Rcd8 8.Be3 Qc7 9.Qf2 Nd7 10.Nxd7 Rxd7 11.e5 Red8 12.Ne4 h6 13.Rac1 a5 14.h4 (20.894.775.093) 1396
 44	249:21 	-1.08 	1.h3 Qc7 2.a3 Be7 3.e4 O-O 4.Bg5 Rfd8 5.Ne5 h6 6.Be3 Rac8 7.f3 Bd6 8.Qf2 Nd7 9.Nxd7 Qxd7 10.e5 Bf8 11.Qg3 Kh8 12.Qe1 a5 13.Ne4 Qc7 14.Bg5 (20.894.775.093) 1396
 44	249:21 	-1.15 	1.Re1 Be7 2.e4 O-O 3.a3 Nd7 4.Bf4 Qb6 5.Qe2 Rfd8 6.Rad1 Bf8 7.Bg5 Re8 8.Bf4 Qc6 9.Bg3 h6 10.Qd2 Rad8 11.h3 Qb6 12.Qe2 Ba8 13.Ra1 Qb7 14.Rac1 (20.894.775.093) 1396
 44	249:21 	-1.29 	1.Qe2 Be7 2.a3 Qb6 3.e4 O-O 4.Qc2 Rad8 5.h3 Qc7 6.Be3 Nd7 7.Re1 h6 8.Rad1 Rfe8 9.Qc1 Bd6 10.Qd2 Bf8 11.Bf4 Qb6 12.Qe2 Rc8 13.Rc1 Nf6 14.Bg3 (20.894.775.093) 1396
Debugging is twice as hard as writing the code in the first
place. Therefore, if you write the code as cleverly as possible, you
are, by definition, not smart enough to debug it.
-- Brian W. Kernighan
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zullil
Posts: 6442
Joined: Tue Jan 09, 2007 12:31 am
Location: PA USA
Full name: Louis Zulli

Re: Analyze a position

Post by zullil »

zullil wrote: ↑Tue Jul 16, 2019 2:41 am
zullil wrote: ↑Tue Jul 16, 2019 1:45 am
zullil wrote: ↑Tue Jul 16, 2019 1:07 am Cfish-dev, with 6-man tables:

0.00 13. d5 Qc7 14. e4 Rd8 15. Be3 exd5 16. exd5 Nxd5 17. Rxd5 Rxd5 18. Qe4+ Qe7 19. Qf4 Rd3 20. Re1 Bxf3 21. gxf3 Qb7 22. Bd4+ Be7 23. Bc5 Rd7 24. Nd5 Rxd5 25. Rxe7+ Qxe7 26. Bxe7 Kxe7 27. Qe4+ Kd6 28. Qf4+ (depth 55, 2:49:29)
0.00 13. d5 Qc7 14. e4 Be7 15. d6 Bxd6 16. Rxd6 Qxd6 17. e5 Qe7 18. exf6 Qxf6 19. Ne4 Bxe4 20. Qxe4 O-O 21. Qe2 Rfe8 22. a4 e5 23. h3 e4 24. Nh2 Rad8 25. Nf1 Qe5 26. g3 Rd3 27. axb5 axb5 28. Kg2 b4 29. Ne3 c3 30. Ra4 Qb5 31. Ra7 Qb8 32. Ra4 (depth 56, 3:19:52)

0.00 13. d5 Qc7 14. e4 Be7 15. d6 Bxd6 16. Rxd6 Qxd6 17. e5 Qe7 18. exf6 Qxf6 19. Ne4 Bxe4 20. Qxe4 O-O 21. Qe2 Rfe8 22. a4 e5 23. h3 e4 24. Nh2 Rad8 25. Nf1 h6 26. Be3 Rd3 27. axb5 axb5 28. Ng3 Rd5 29. Ra7 Qd6 30. Rb7 h5 31. h4 Ra8 32. Kh2 Re8 (depth 57, 3:36:26)
0.00 13. d5 Qc7 14. e4 Bc5 15. d6 Bxd6 16. Rxd6 Qxd6 17. e5 Qc7 18. exf6 gxf6 19. Ne1 f5 20. a4 b4 21. Ne2 a5 22. Be3 f6 23. Nf4 Qc6 24. Nf3 Rd8 25. Nd4 Rxd4 26. Bxd4 O-O 27. f3 e5 28. Rc1 exf4 29. Qxf5 Qd6 30. Bc5 Qd2 31. Qe6+ Rf7 32. Rxc4 Qd1+ 33. Kf2 Qd2+ (depth 58, 4:27:11)
0.00 13. d5 Qc7 14. e4 Bc5 15. d6 Bxd6 16. Rxd6 Qxd6 17. e5 Qe7 18. exf6 Qxf6 19. Ne4 Bxe4 20. Qxe4 O-O 21. Qe2 Rfe8 22. a4 Rab8 23. Be3 Qf5 24. h3 h6 25. Rc1 Qd3 26. Qe1 e5 27. Qb4 f6 28. axb5 axb5 29. Ra1 Red8 30. Nh4 Rb7 31. Ra6 Kh7 32. Kh2 Qb1 33. Bb6 Rxb6 34. Rxb6 Qe4 35. Rxf6 Qxh4 36. Rf7 Rd5 37. b3 Qd4 38. bxc4 bxc4 39. Rxg7+ Kxg7 40. Qe7+ Kg6 41. Qe6+ Kg7 (depth 60, 5:36:42)
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