Puzzle Position #1

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smcracraft
Posts: 737
Joined: Wed Mar 08, 2006 8:08 pm
Location: Orange County California
Full name: Stuart Cracraft

Puzzle Position #1

Post by smcracraft »

What does your program do in this?

fen 4k2r/pb3p2/2p1p2p/1p2q3/B1p5/2Pr1B2/2Q2PPP/R4RK1 w - - 0 1

Provide full search for a five minute run.

For extra credit beyond getting the best move, name the (human) players in the position.
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Vinvin
Posts: 5228
Joined: Thu Mar 09, 2006 9:40 am
Full name: Vincent Lejeune

Re: Puzzle Position #1

Post by Vinvin »

With diagram.
smcracraft wrote: ↑Thu Nov 15, 2018 4:08 am What does your program do in this?

[d]4k2r/pb3p2/2p1p2p/1p2q3/B1p5/2Pr1B2/2Q2PPP/R4RK1 w - - 0 1

Provide full search for a five minute run.

For extra credit beyond getting the best move, name the (human) players in the position.
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sovaz1997
Posts: 261
Joined: Sun Nov 13, 2016 10:37 am

Re: Puzzle Position #1

Post by sovaz1997 »

My engine after ~5 mins analysis:

Code: Select all

FEN: 4k2r/pb3p2/2p1p2p/1p2q3/B1p5/2Pr1B2/2Q2PPP/R4RK1 w - - 0 1

Zevra_popcnt:
 6/11+	00:00	 3k	984k	-0,28	Rf1-e1 Qe5xc3 Qc2xc3
 6/11+	00:00	 3k	858k	-0,13	Rf1-e1 Qe5xc3 Qc2xc3
 6/11+	00:00	 5k	783k	+0,42	Rf1-e1 Qe5xc3 Qc2xc3
 6/11-	00:00	 10k	761k	-0,58	Rf1-e1 Qe5-g5 Ba4-b3 Rd3-d2
 6/11	00:00	 12k	750k	-0,60	Rf1-e1 Qe5-g5 Bf3-e4 Rd3-d2 h2-h4 Rd2xc2
 7/13+	00:00	 15k	718k	-0,45	Rf1-e1 Qe5-g5 h2-h4 Qg5xh4 Ba4xb5
 7/13	00:00	 22k	680k	-0,50	Qc2-b2 Qe5xc3 Qb2xc3 Rd3xc3 Ba4xb5 Rc3xf3 Bb5xc6+ Bb7xc6
 8/13	00:00	 27k	670k	-0,50	Qc2-b2 Qe5xc3 Qb2xc3 Rd3xc3 Ba4xb5 Rc3xf3 Bb5xc6+ Bb7xc6 g2xf3
 9/13-	00:00	 32k	632k	-0,65	Qc2-b2 Qe5xc3 Qb2xc3 Rd3xc3 Ba4xb5 Rc3xf3 Bb5xc6+ Bb7xc6 g2xf3 Rh8-g8+
 9/14-	00:00	 38k	621k	-0,80	Qc2-b2 Qe5xc3 Qb2xc3 Rd3xc3 Ba4xb5 Rc3xf3 Bb5xc6+ Bb7xc6 g2xf3 Rh8-g8+
 9/14-	00:00	 47k	623k	-1,02	Qc2-b2 Qe5xc3 Qb2xc3 Rd3xc3 Ba4xb5 Rc3xf3 Bb5xc6+ Bb7xc6 g2xf3 Rh8-g8+
 9/14	00:00	 49k	624k	-0,95	Qc2-b2 Qe5xc3 Qb2xc3 Rd3xc3 Ba4xb5 Rc3xf3 Bb5xc4 Rf3-c3 Ra1xa7
 10/16+	00:00	 73k	631k	-0,80	Ra1-b1 Rd3xc3 Qc2-b2 b5xa4 Qb2xb7
 10/17+	00:00	 127k	681k	-0,65	Ba4xb5 Rd3xf3 Bb5xc4 Rf3xc3 Qc2-b2 a7-a5 Rf1-e1
 10/17	00:00	 134k	678k	-0,65	Ba4xb5 Rd3xf3 Bb5xc4 Rf3xc3 Qc2-b2 a7-a6 Rf1-e1 Qe5-g7 Bc4xa6 Bb7xa6
 11/17+	00:00	 148k	674k	-0,50	Ba4xb5 Rd3xf3 Bb5xc4 Rf3xc3 Qc2-b2 a7-a6 Qb2xb7 Rc3xc4 Ra1xa6 c6-c5 Ra6-a8+
 11/18	00:00	 172k	677k	-0,39	Ba4xb5 Rd3xf3 Bb5xc4 Qe5xc3 Qc2-e4 Rf3-f5 Ra1xa7 Qc3-b2 Bc4-d3 Rh8-g8 Rf1-a1
 12/18-	00:00	 199k	678k	-0,54	Ba4xb5 Rd3xf3 Bb5xc4 Rf3xc3 Qc2-b2 Qe5-g7 Ra1xa7 Rh8-g8 Ra7xb7 Rc3xc4
 12/18-	00:00	 236k	667k	-0,69	Ba4xb5 Rd3xf3 Bb5xc4 Rf3xc3 Qc2-b2 Qe5-g7 Ra1xa7 Rh8-g8 Ra7xb7 Rc3xc4
 12/18+	00:00	 258k	669k	-0,54	Ba4xb5 Rd3xf3 Bb5xc4 Rf3xc3 Qc2-b2 Qe5-g7 Qb2xb7 Rc3xc4 Ra1xa7 Rh8-g8 Qb7-a8+
 12/19	00:00	 278k	671k	-0,46	Ba4xb5 Rd3xf3 Bb5xc4 Rh8-g8 Ra1xa7 Rf3xc3 Qc2-a2 Qe5-g5 g2-g3 Qg5-e7 Rf1-b1 Qe7-h4
 13/21+	00:00	 337k	673k	-0,31	Ba4xb5 Rd3xf3 Bb5xc4 Rh8-g8 Qc2-b2 Qe5-g7 g2-g3 Qg7xc3 Qb2xb7
 13/22	00:00	 385k	670k	-0,31	Ba4xb5 Rd3xf3 Bb5xc4 Rf3-f4 Ra1xa7 Rf4xc4 Ra7xb7 Rc4xc3 Qc2-a4 Ke8-f8 Rf1-d1 Qe5-f5 g2-g3
 14/22+	00:00	 465k	667k	-0,16	Ba4xb5 Rd3xf3 Bb5xc4 Rf3-f4 Qc2-b3 a7-a5 Bc4xe6 f7xe6 Qb3xb7
 14/22	00:00	 573k	653k	-0,03	Ba4xb5 Rd3xf3 Bb5xc4 Rf3xc3 Qc2-b2 Bb7-c8 Ra1xa7 Rh8-g8 Qb2-b4 c6-c5 Bc4-b5+ Ke8-f8 Qb4-h4 h6-h5 Rf1-d1
 15/22-	00:01	 705k	647k	-0,18	Ba4xb5 Rd3xf3 Bb5xc4 Rf3xc3 Qc2-b2 Bb7-c8 Ra1xa7 Rh8-g8 Qb2-b4 c6-c5 Bc4-b5+ Ke8-f8 Qb4-h4 h6-h5 Rf1-d1 Rg8-g4
 15/22	00:01	 855k	650k	-0,27	Ba4xb5 Rd3xf3 Bb5xc4 Rf3xc3 Qc2-b2 Bb7-c8 Ra1xa7 Rh8-g8 Qb2-b4 c6-c5 Bc4-b5+ Ke8-f8 Qb4-h4 h6-h5 Qh4-d8+ Kf8-g7 Qd8-h4
 16/22+	00:01	 1 039k	649k	-0,12	Ba4xb5 Rd3xf3 Bb5xc4 Rf3xc3 Qc2-b2 Bb7-c8 Ra1xa7 Rh8-g8 Qb2-b4 c6-c5 Bc4-b5+ Ke8-f8 Qb4-h4 h6-h5 Kg1-h1 Rg8-g4 Qh4-d8+
 16/22+	00:01	 1 167k	647k	+0,03	Ba4xb5 Rd3xf3 Bb5xc4 Rf3xc3 Qc2-b2 Bb7-c8 Ra1xa7 Rh8-g8 Ra7-a8 Ke8-e7 Ra8-a3
 16/25+	00:02	 1 368k	647k	+0,25	Ba4xb5 Rd3xf3 Bb5xc4 Rf3xc3 Qc2-b2 Bb7-c8 Ra1xa7 Rh8-g8 Ra7-a8 Ke8-e7 Ra8-a3
 16/25	00:02	 1 548k	643k	+0,30	Ba4xb5 Rd3xf3 Bb5xc4 Rf3xc3 Qc2-b2 Bb7-c8 Ra1xa7 Rh8-g8 Ra7-a8 Ke8-d8 Ra8-a3 Rg8xg2+ Kg1xg2 Qe5-e4+ f2-f3 Rc3-c2+ Kg2-h1 Qe4xc4 Rf1-d1+ Bc8-d7
 17/26+	00:02	 1 859k	644k	+0,45	Ba4xb5 Rd3xf3 Bb5xc4 Rf3xc3 Qc2-b2 Bb7-c8 Ra1xa7 Rh8-g8 Ra7-a8 Ke8-d8 Ra8-a3 Rg8xg2+ Kg1xg2 Qe5-e4+ f2-f3 Rc3-c2+ Kg2-h1 Qe4xc4 Rf1-d1+ Bc8-d7 Qb2-b7
 17/26-	00:03	 1 990k	642k	+0,15	Ba4xb5 Rd3xf3 Bb5xc4 Rf3xc3 Qc2-b2 Bb7-c8 Ra1xa7 Rh8-g8 Ra7-a8 Ke8-e7 Ra8-a3 Rg8xg2+ Kg1xg2 Qe5-e4+ f2-f3 Rc3-c2+ Qb2xc2 Qe4xc2+
 17/26+	00:03	 2 269k	635k	+0,31	Ba4xb5 Rd3xf3 Bb5xc4 Rf3xc3 Qc2-b2 Bb7-c8 Ra1xa7 Rh8-g8 Ra7-a8 Ke8-e7 Ra8-a3 Rg8xg2+ Kg1xg2 Qe5-e4+ f2-f3 Rc3-c2+ Qb2xc2 Qe4xc2+
 17/26	00:03	 2 502k	638k	-0,16	Ba4xb5 Rd3xf3 Bb5xc4 Rf3xc3 Qc2-b2 Bb7-c8 Ra1xa7 Rh8-g8 Ra7-a8 Ke8-e7 Ra8-a3 Rg8xg2+ Kg1xg2 Qe5-e4+ f2-f3 Rc3-c2+ Kg2-h1 Qe4xc4 Ra3-a7+ Bc8-d7 Qb2-b1
 18/26+	00:04	 2 600k	637k	-0,01	Ba4xb5 Rd3xf3 Bb5xc4 Rf3xc3 Qc2-b2 Bb7-c8 Ra1xa7 Rh8-g8 Ra7-a8 Ke8-e7 Ra8-a3 Rg8xg2+ Kg1xg2 Qe5-e4+ f2-f3 Rc3-c2+ Kg2-h1 Qe4xc4 Ra3-a7+ Bc8-d7 Qb2-a3+ c6-c5 Rf1-b1
 18/26	00:04	 3 016k	633k	+0,01	Ba4xb5 Rd3xf3 Bb5xc4 Rf3xc3 Qc2-b2 Bb7-c8 Ra1xa7 Rh8-g8 Ra7-a8 Ke8-e7 Ra8-a3 Rg8xg2+ Kg1xg2 Qe5-e4+ f2-f3 Rc3-c2+ Kg2-h1 Qe4xc4 Ra3-a7+ Bc8-d7 Qb2-a3+ c6-c5 Rf1-b1
 19/27-	00:06	 3 976k	631k	-0,14	Ba4xb5 Rd3xf3 Bb5xc4 Rf3xc3 Qc2-b2 Bb7-c8 Ra1xa7 Rh8-g8 Ra7-a8 Ke8-e7 Ra8-a3 Rg8xg2+ Kg1xg2 Qe5-e4+ f2-f3 Rc3-c2+ Kg2-h1 Qe4xc4 Ra3-a7+ Bc8-d7 Qb2-a3+ c6-c5 Rf1-b1 e6-e5
 19/27-	00:08	 5 127k	636k	-0,29	Ba4xb5 Rd3xf3 Bb5xc4 Rf3xc3 Qc2-b2 Bb7-c8 Ra1xa7 Rh8-g8 Ra7-a8 Ke8-e7 Ra8-a3 Qe5-g7 Qb2-b4+ Ke7-e8 Ra3xc3 Qg7xg2+
 19/28+	00:08	 5 354k	637k	-0,14	Ba4xb5 Rd3xf3 Bb5xc4 Rf3xc3 Qc2-b2 Bb7-c8 Ra1xa7 Rh8-g8 Ra7-a8 Ke8-e7 Rf1-d1 Rg8-d8 Rd1xd8 Qe5-e1+ Bc4-f1 Ke7xd8 Qb2-b7
 19/28	00:08	 5 550k	639k	-0,06	Ba4xb5 Rd3xf3 Bb5xc4 Rf3xc3 Qc2-b2 Bb7-c8 Ra1xa7 Rh8-g8 Ra7-a8 Ke8-e7 Rf1-d1 c6-c5 Ra8-a7+ Ke7-f6 Bc4-e2 Rc3-e3 Qb2xe5+ Re3xe5 Be2-f3 c5-c4 g2-g4
 20/29	00:11	 7 365k	633k	+0,02	Ba4xb5 Rd3xf3 Bb5xc4 Rf3xc3 Qc2-b2 Bb7-c8 Ra1xa7 Rh8-g8 Ra7-a8 Ke8-e7 Rf1-d1 c6-c5 Ra8-a7+ Ke7-f6 h2-h3 Rc3-e3 Qb2xe5+ Re3xe5 g2-g3 Kf6-g7 g3-g4 Rg8-e8
 21/29+	00:12	 8 132k	632k	+0,17	Ba4xb5 Rd3xf3 Bb5xc4 Rf3xc3 Qc2-b2 Bb7-c8 Ra1xa7 Rh8-g8 Ra7-a8 Ke8-e7 Rf1-d1 c6-c5 Bc4-a6 Qe5-h5 Ra8-a7+ Bc8-d7 Rd1xd7+
 21/29+	00:13	 8 747k	633k	+0,32	Ba4xb5 Rd3xf3 Bb5xc4 Rf3xc3 Qc2-b2 Bb7-c8 Ra1xa7 Rh8-g8 Ra7-a8 Ke8-e7 Rf1-d1 c6-c5 Bc4-a6 Qe5-h5 Ra8-a7+ Bc8-d7 Rd1xd7+
 21/30+	00:16	 10 178k	630k	+0,54	Ba4xb5 Rd3xf3 Bb5xc4 Rf3xc3 Qc2-b2 Bb7-c8 Ra1xa7 Rh8-g8 Ra7-a8 Ke8-e7 Rf1-d1 c6-c5 Bc4-a6 Qe5-h5 Ra8-a7+ Bc8-d7 Rd1xd7+
 21/31	00:18	 11 892k	629k	+0,21	Ba4xb5 Rd3xf3 Bb5xc4 Rf3xc3 Qc2-b2 Bb7-c8 Ra1xa7 Rh8-g8 Ra7-a8 Ke8-e7 Rf1-d1 Rg8xg2+ Kg1xg2 Qe5-e4+ Kg2-f1 Qe4xc4+ Qb2-e2 Qc4xe2+ Kf1xe2 Rc3-c2+ Ke2-e1 Bc8-b7 Ra8-h8 Rc2-b2 Rh8xh6 c6-c5
 22/31-	00:24	 15 357k	631k	+0,06	Ba4xb5 Rd3xf3 Bb5xc4 Rf3xc3 Qc2-b2 Bb7-c8 Ra1xa7 Rh8-g8 Ra7-a8 Ke8-e7 Rf1-d1 Rg8xg2+ Kg1xg2 Qe5-e4+ Kg2-f1 Qe4xc4+ Qb2-e2 Qc4xe2+ Kf1xe2 Bc8-b7 Ra8-d8 Bb7-a6+ Ke2-d2 Ke7xd8
 22/32	00:29	 18 901k	637k	 0,00	Ba4xb5 Rd3xf3 Bb5xc4 Rf3xc3 Qc2-b2 Bb7-c8 Ra1xa7 Rh8-g8 Ra7-a8 Ke8-e7 Rf1-d1 Rg8xg2+ Kg1xg2 Qe5-e4+ Kg2-f1 Qe4xc4+ Kf1-e1 Qc4-e4+ Ke1-f1 Qe4-h1+ Kf1-e2 Qh1-e4+ Ke2-f1
 23/32	00:40	 26 254k	651k	 0,00	Ba4xb5 Rd3xf3 Bb5xc4 Rf3xc3 Qc2-b2 Bb7-c8 Ra1xa7 Rh8-g8 Ra7-a8 Ke8-e7 Rf1-d1 Rg8xg2+ Kg1xg2 Qe5-e4+ Kg2-f1 Qe4xc4+ Kf1-e1 Qc4-e4+ Ke1-f1 Qe4-h1+ Kf1-e2 Qh1-e4+ Ke2-f1
 24/34+	00:44	 29 532k	665k	+0,15	Ba4xb5 Rd3xf3 Bb5xc4 Rf3xc3 Qc2-b2 Bb7-c8 Ra1xa7 Rh8-g8 Rf1-d1 Qe5-e4 Bc4-f1 Qe4-f3 Qb2-b4 c6-c5 Qb4-b5+ Ke8-f8 Rd1-d8+
 24/34	00:50	 35 905k	707k	+0,01	Ba4xb5 Rd3xf3 Bb5xc4 Rf3xc3 Qc2-b2 Bb7-c8 Ra1xa7 Rh8-g8 Rf1-d1 Rg8xg2+ Kg1xg2 Rc3-g3+ h2xg3 Qe5xb2 Ra7-a8 Qb2-b7 Rd1-a1 c6-c5+ Kg2-g1 Ke8-d8 Bc4-e2 Qb7-e4 Be2-h5 f7-f5 Bh5-f7 c5-c4 Ra8-a7
 25/34	01:12	 57 724k	794k	 0,00	Ba4xb5 Rd3xf3 Bb5xc4 Rf3xc3 Qc2-b2 Bb7-c8 Ra1xa7 Rh8-g8 Ra7-a8 Ke8-e7 Rf1-d1 Rg8xg2+ Kg1xg2 Qe5-e4+ Kg2-f1 Qe4xc4+ Kf1-e1 Qc4-e4+ Ke1-f1 Qe4-h1+ Kf1-e2 Qh1-e4+ Ke2-f1
 26/42	02:02	 101 457k	830k	 0,00	Ba4xb5 Rd3xf3 Bb5xc4 Rf3xc3 Qc2-b2 Bb7-c8 Ra1xa7 Rh8-g8 Ra7-a8 Ke8-e7 Rf1-d1 Rg8xg2+ Kg1xg2 Qe5-e4+ Kg2-f1 Qe4xc4+ Kf1-e1 Qc4-e4+ Ke1-f1 Qe4-h1+ Kf1-e2 Qh1-e4+ Ke2-f1
 27/42+	02:39	 137 189k	862k	+0,15	Ba4xb5 Rd3xf3 Bb5xc4 Rf3xc3 Qc2-b2 Bb7-c8 Rf1-e1 Qe5-d4 Re1-d1 Qd4xc4 Ra1-c1
 27/42+	02:52	 151 357k	878k	+0,30	Ba4xb5 Rd3xf3 Bb5xc4 Rf3xc3 Qc2-b2 Bb7-c8 Rf1-e1 Qe5-d4 Re1-d1 Qd4xc4 Ra1-c1
 27/42+	04:31	 262 962k	970k	+0,85	Ba4xb5 Rd3xf3 Bb5xc4 Rf3xc3 Qc2-b2 Bb7-c8 Rf1-e1 Qe5-d4 Re1-d1 Qd4xc4 Ra1-c1
Zevra 2 is my chess engine. Binary, source and description here: https://github.com/sovaz1997/Zevra2
Zevra v2.5 is last version of Zevra: https://github.com/sovaz1997/Zevra2/releases
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Joost Buijs
Posts: 1563
Joined: Thu Jul 16, 2009 10:47 am
Location: Almere, The Netherlands

Re: Puzzle Position #1

Post by Joost Buijs »

My engine also thinks Bxb5 is the best move, score is rising to 1.5 pawn and then slightly dropping. I have no clue who played this game.

Code: Select all

info string Nightmare MP v7.80 exp by Joost Buijs
info string logical processors found 20
info string starting threads  0  1  2  3  4  5  6  7  8  9
info string init tablebases...info string path E:/TB6, 1024 Mb. cache, max. 6 piece TB found!
position fen 4k2r/pb3p2/2p1p2p/1p2q3/B1p5/2Pr1B2/2Q2PPP/R4RK1 w - - 0 1
go infinite
info depth 1 score cp -474 time 0 nodes 143 nps 143 tbhits 0 pv c2d3 c4d3 a4d1
info depth 2 score cp 15 time 0 nodes 591 nps 591 tbhits 0 pv a4b5 d3f3
info depth 3 score cp 46 time 1 nodes 1992 nps 1992000 tbhits 0 pv a4b5 e5b5 a1a7 h8g8
info depth 4 score cp -84 time 2 nodes 4416 nps 2208000 tbhits 0 pv a4b5 d3f3 b5c4 f3c3 c2b2
info depth 4 score cp -31 time 3 nodes 5736 nps 1912000 tbhits 0 pv c2b1 d3f3 g2f3 h8g8 g1h1
info depth 4 score cp -18 time 4 nodes 7252 nps 1813000 tbhits 0 pv a1b1 d3c3 c2d2 c3d3
info depth 4 score cp -2 time 6 nodes 10086 nps 1681000 tbhits 0 pv f1e1 e5c3 f3e4 b5a4
info depth 5 score cp 21 time 7 nodes 11444 nps 1634857 tbhits 0 pv f1e1 e5c3 c2c3 d3c3 a4b5
info depth 6 score cp 22 time 11 nodes 24709 nps 2246272 tbhits 0 pv f1e1 e5c3 f3e4 b5a4 e4d3 c3d3 c2a4 h8g8
info depth 7 score cp -3 time 17 nodes 49050 nps 2885294 tbhits 0 pv f1e1 e5g7 f3e4 d3d7 e1b1 h8g8 g2g3
info depth 8 score cp 22 time 43 nodes 211841 nps 4926534 tbhits 0 pv f1e1 e5c3 f3e4 b5a4 e4d3 c3d3 c2a4 h8g8
info depth 9 score cp 6 time 63 nodes 428894 nps 6807841 tbhits 0 pv f1e1 e5f6 f3e4 d3d7 a1b1 h8g8 e1e3 b5a4 b1b7
info depth 10 score cp 9 time 103 nodes 718892 nps 6979533 tbhits 0 pv f1e1 e5c7 f3e2 d3d7 e1d1 b5a4 d1d7 e8d7 c2a4 a7a5 a1d1 d7c8
info depth 10 score cp 32 time 125 nodes 937538 nps 7500304 tbhits 0 pv a4b5 d3f3 b5c4 h8g8 a1a7 f3c3 c2d2 e5g5 f2f4 g5c5
info depth 11 score cp 17 time 158 nodes 1259009 nps 7968411 tbhits 0 pv a4b5 d3f3 b5c4 h8g8 a1a7 f3c3 c2d2 e5g5 d2g5 g8g5 c4e6 c3c2
info depth 12 score cp 17 time 225 nodes 2025207 nps 9000920 tbhits 0 pv a4b5 d3f3 b5c4 h8g8 a1a7 f3c3 c2d2 e5g5 d2g5 g8g5 c4e6 c3c2
info depth 12 score cp 27 time 333 nodes 3706761 nps 11131414 tbhits 0 pv f1e1 e5c7 f3e2 d3d7 e2h5 d7d6 e1b1 b7a8 c2b2 b5a4 a1a4 c6c5
info depth 13 score cp 22 time 659 nodes 9011751 nps 13674887 tbhits 0 pv f1e1 e5c7 e1d1 b5a4 d1d3 c4d3 c2d3 h8g8 a1a4 a7a5 g2g3 e8e7 f3h5 e7f8
info depth 13 score cp 28 time 779 nodes 10959950 nps 14069255 tbhits 0 pv a4b5 d3f3 b5c4 h8g8 a1a7 f3c3 c2d2 c3c4 a7b7 c4d4 d2h6 e5g5 h6g5 g8g5 f1a1
info depth 14 score cp 47 time 995 nodes 14052793 nps 14123410 tbhits 0 pv a4b5 d3f3 b5c4 f3c3 c2b2 b7c8 a1a7 h8g8 a7a8 e8e7 f1d1 g8g2 g1g2 e5e4 g2f1 e4c4
info depth 15 score cp 47 time 1612 nodes 23635057 nps 14661946 tbhits 0 pv a4b5 d3f3 b5c4 f3c3 c2b2 b7c8 a1a7 h8g8 a7a8 e8e7 f1d1 g8g2 g1g2 e5e4 g2f1 e4c4 b2e2
info depth 16 score cp 47 time 2161 nodes 32399198 nps 14992687 tbhits 0 pv a4b5 d3f3 b5c4 f3c3 c2b2 b7c8 a1a7 h8g8 a7a8 e8e7 f1d1 g8g2 g1g2 e5e4 g2f1 e4c4 b2e2 c4e2
info depth 17 score cp 84 time 4794 nodes 77088998 nps 16080308 tbhits 0 pv a4b5 d3f3 b5c4 h8g8 c2b1 b7c8 a1a7 e5g5 g2g3 e8f8 b1b4 c6c5 b4a5 f8g7 f1d1 g5e5 a7c7 f3c3
info depth 18 score cp 84 time 6784 nodes 108028845 nps 15924063 tbhits 4 pv a4b5 d3f3 b5c4 h8g8 c2b1 b7c8 a1a7 f3h3 g2g3 h3g3 f2g3 e5c5 g1g2 c5a7 b1h7 g8f8 h7h6 a7c5 h6f4 f7f5
info depth 19 score cp 84 time 8477 nodes 137038278 nps 16165893 tbhits 4 pv a4b5 d3f3 b5c4 h8g8 c2b1 b7c8 a1a7 f3h3 g2g3 h3g3 f2g3 e5c5 g1g2 c5a7 b1h7 g8f8 h7h6 a7c5 h6f4 f7f5 f1d1
info depth 20 score cp 84 time 19276 nodes 309985667 nps 16081431 tbhits 17 pv a4b5 d3f3 b5c4 h8g8 c2b1 b7c8 a1a7 f3h3 g2g3 h3g3 f2g3 e5c5 g1g2 c5a7 b1h7 g8f8 h7h6 a7c5 h6f4 f7f5 f1d1 e8f7
info depth 21 score cp 84 time 28491 nodes 468430474 nps 16441348 tbhits 55 pv a4b5 d3f3 b5c4 h8g8 c2b1 b7c8 a1a7 f3h3 g2g3 h3g3 f2g3 e5c5 g1g2 c5a7 b1h7 g8f8 h7h6 a7c5 h6f4 f7f5 f1d1 e8f7 f4c7
info depth 22 score cp 84 time 43487 nodes 726672336 nps 16710104 tbhits 562 pv a4b5 d3f3 b5c4 h8g8 c2b1 b7c8 a1a7 f3h3 g2g3 h3g3 f2g3 e5c5 g1g2 c5a7 b1h7 g8f8 h7h6 a7c5 h6f4 f7f5 f1d1 e8f7 f4c7 f7g6
info depth 23 score cp 107 time 117149 nodes 2008718078 nps 17146694 tbhits 12042 pv a4b5 d3f3 b5c4 h8g8 c2b1 b7c8 a1a7 f3h3 g2g3 h3g3 f2g3 e5c5 g1g2 c5a7 b1h7 g8f8 h7h6 f8g8 h6h7 e8f8 c4e2 a7e7 h7h6 g8g7 e2h5
info depth 24 score cp 107 time 171637 nodes 3015347908 nps 17568169 tbhits 14528 pv a4b5 d3f3 b5c4 h8g8 c2b1 b7c8 a1a7 f3h3 g2g3 h3g3 f2g3 e5c5 g1g2 c5a7 b1h7 g8f8 h7h6 f8g8 h6h7 e8f8 c4e2 a7e7 h7h6 g8g7 e2h5 f7f5
info depth 25 score cp 146 time 454410 nodes 8293203686 nps 18250486 tbhits 66819 pv a4b5 d3f3 b5c4 h8g8 c2e2 e5e2 c4e2 f3c3 f1b1 b7c8 a1a7 e8f8 e2f1 f8g7 a7a8 g8d8 f2f4 c3c2 b1b8 d8d4 b8c8 d4f4 a8a3 c2c1 a3f3
info depth 26 score cp 90 time 804597 nodes 14813039410 nps 18410507 tbhits 207470 pv a4b5 d3f3 b5c4 h8g8 c2b1 b7c8 a1a7 f3h3 g2g3 h3g3 f2g3 e5c5 g1h1 c5a7 b1h7 g8f8 h7h6 f8g8 h6f4 a7e7 f4b8 e7b7 b8e5 b7e7 f1b1 e7d7 h1g1 d7e7
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Uri Blass
Posts: 10267
Joined: Thu Mar 09, 2006 12:37 am
Location: Tel-Aviv Israel

Re: Puzzle Position #1

Post by Uri Blass »

smcracraft wrote: ↑Thu Nov 15, 2018 4:08 am What does your program do in this?

fen 4k2r/pb3p2/2p1p2p/1p2q3/B1p5/2Pr1B2/2Q2PPP/R4RK1 w - - 0 1

Provide full search for a five minute run.

For extra credit beyond getting the best move, name the (human) players in the position.
I do not believe humans played this position.
In order to get this position you need first to promote a pawn to a bishop and I see no logical reason to do it when there are many pieces on the board(it can be logical to do it only in order to avoid stalemate if you promote to queen).

There is of course a different way to get this position if white made an illegal move earlier but
I also do not believe in this option.
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smcracraft
Posts: 737
Joined: Wed Mar 08, 2006 8:08 pm
Location: Orange County California
Full name: Stuart Cracraft

Re: Puzzle Position #1

Post by smcracraft »

Black was played by Tal and White by Kholmov at a Riga simul in 1949.

Kholmov was a young master who visited and gave the simul.

This was Tal's first game against a master.

Tal was 13 years old.

Kholmov played the move your computers chose:

18 ab
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Vinvin
Posts: 5228
Joined: Thu Mar 09, 2006 9:40 am
Full name: Vincent Lejeune

Re: Puzzle Position #1

Post by Vinvin »

With 3 best moves, SF thinks that Qb1 is as strong as Bxb5.

FEN: 4k2r/pb3p2/2p1p2p/1p2q3/B1p5/2Pr1B2/2Q2PPP/R4RK1 w - - 0 1

Code: Select all

Stockfish_18111220_x64_modern:

 41/59	13:09	7 386 816 503	9 356 452	 0,00	1.Rfe1 Qxc3 2.Rec1 Qe5 3.Qb1 a6 4.Re1 Qc3 5.Bc2 Rxf3 6.gxf3 Qxf3 7.Be4 Rg8+ 8.Kf1 Qh3+ 9.Ke2 Rg5 10.Qb2 c3 11.Qc2 b4 12.Qd3 Qh5+ 13.Kf1 Qxh2 14.Rad1 Rg1+ 15.Ke2
 41/63	13:09	7 386 816 503	9 356 452	+1,22	1.Qb1 Rxf3 2.gxf3 Qxc3 3.Qe4 Rg8+ 4.Kh1 bxa4 5.Rab1 Bc8 6.Rfc1 Qd3 7.Rxc4 Qxe4 8.fxe4 Kd7 9.Rxa4 a6 10.Ra3 Kc7 11.Rh3 Rh8 12.Rg1 Bb7 13.Ra3 Rf8 14.f3 Bc8 15.Rg7 
 42/61	13:09	7 386 816 503	9 356 452	+1,26	1.Bxb5 Rxf3 2.Bxc4 Rg8 3.Qb1 Bc8 4.Rxa7 Rf4 5.Qd3 Kf8 6.Bb3 Rf5 7.g3 Qf6 8.Qd6+ Kg7 9.Qxc6 Qe5 10.Bc4 Qc5 11.Qc7 Bd7 12.Bd3 Qxc7 13.Rxc7 Rd5 14.Be4 Rd2 15.c4
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elpapa
Posts: 211
Joined: Sun Jan 18, 2009 11:27 pm
Location: Sweden
Full name: Patrik Karlsson

Re: Puzzle Position #1

Post by elpapa »

The bishop on a4 is wrong, it should be a pawn. Kholmov played 18. axb5.

https://www.365chess.com/view_game.php?g=2685254&m=1
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Dann Corbit
Posts: 12537
Joined: Wed Mar 08, 2006 8:57 pm
Location: Redmond, WA USA

Re: Puzzle Position #1

Post by Dann Corbit »

[pgn][Event "Riga"] [Site "Riga"] [Date "??/??/1949"] [Round "?"] [White "Kholmov, Ratmir"] [Black "Tal, Mikhail"] [Result "0-1"] [ECO "D44"] [Variation "QGD: semi-Slav, Botvinnik system (anti-Meran)"] 1. c4 e6 2. Nc3 d5 3. d4 c6 4. Nf3 Nf6 5. Bg5 dxc4 6. e4 b5 7. e5 h6 8. Bxf6 gxf6 9. exf6 Bb4 10. Be2 Qxf6 11. O-O Bxc3 12. bxc3 Nd7 13. a4 Bb7 14. Ne5 Nxe5 15. dxe5 Qxe5 16. Bf3 Rd8 17. Qc2 Rd3 18. axb5 Rxf3 19. Rxa7 Qxb5 20. gxf3 Qg5+ 21. Kh1 Rg8 0-1[/pgn]


As EPD:

Code: Select all

rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR w KQkq - fmvn 1; hmvc 0; pm c4;
rnbqkbnr/pppppppp/8/8/2P5/8/PP1PPPPP/RNBQKBNR b KQkq - fmvn 1; hmvc 0; pm e6;
rnbqkbnr/pppp1ppp/4p3/8/2P5/8/PP1PPPPP/RNBQKBNR w KQkq - fmvn 2; hmvc 0; pm Nc3;
rnbqkbnr/pppp1ppp/4p3/8/2P5/2N5/PP1PPPPP/R1BQKBNR b KQkq - fmvn 2; hmvc 1; pm d5;
rnbqkbnr/ppp2ppp/4p3/3p4/2P5/2N5/PP1PPPPP/R1BQKBNR w KQkq - fmvn 3; hmvc 0; pm d4;
rnbqkbnr/ppp2ppp/4p3/3p4/2PP4/2N5/PP2PPPP/R1BQKBNR b KQkq - fmvn 3; hmvc 0; pm c6;
rnbqkbnr/pp3ppp/2p1p3/3p4/2PP4/2N5/PP2PPPP/R1BQKBNR w KQkq - fmvn 4; hmvc 0; pm Nf3;
rnbqkbnr/pp3ppp/2p1p3/3p4/2PP4/2N2N2/PP2PPPP/R1BQKB1R b KQkq - fmvn 4; hmvc 1; pm Nf6;
rnbqkb1r/pp3ppp/2p1pn2/3p4/2PP4/2N2N2/PP2PPPP/R1BQKB1R w KQkq - fmvn 5; hmvc 2; pm Bg5;
rnbqkb1r/pp3ppp/2p1pn2/3p2B1/2PP4/2N2N2/PP2PPPP/R2QKB1R b KQkq - fmvn 5; hmvc 3; pm dxc4;
rnbqkb1r/pp3ppp/2p1pn2/6B1/2pP4/2N2N2/PP2PPPP/R2QKB1R w KQkq - fmvn 6; hmvc 0; pm e4;
rnbqkb1r/pp3ppp/2p1pn2/6B1/2pPP3/2N2N2/PP3PPP/R2QKB1R b KQkq - fmvn 6; hmvc 0; pm b5;
rnbqkb1r/p4ppp/2p1pn2/1p4B1/2pPP3/2N2N2/PP3PPP/R2QKB1R w KQkq - fmvn 7; hmvc 0; pm e5;
rnbqkb1r/p4ppp/2p1pn2/1p2P1B1/2pP4/2N2N2/PP3PPP/R2QKB1R b KQkq - fmvn 7; hmvc 0; pm h6;
rnbqkb1r/p4pp1/2p1pn1p/1p2P1B1/2pP4/2N2N2/PP3PPP/R2QKB1R w KQkq - fmvn 8; hmvc 0; pm Bxf6;
rnbqkb1r/p4pp1/2p1pB1p/1p2P3/2pP4/2N2N2/PP3PPP/R2QKB1R b KQkq - fmvn 8; hmvc 0; pm gxf6;
rnbqkb1r/p4p2/2p1pp1p/1p2P3/2pP4/2N2N2/PP3PPP/R2QKB1R w KQkq - fmvn 9; hmvc 0; pm exf6;
rnbqkb1r/p4p2/2p1pP1p/1p6/2pP4/2N2N2/PP3PPP/R2QKB1R b KQkq - fmvn 9; hmvc 0; pm Bb4;
rnbqk2r/p4p2/2p1pP1p/1p6/1bpP4/2N2N2/PP3PPP/R2QKB1R w KQkq - fmvn 10; hmvc 1; pm Be2;
rnbqk2r/p4p2/2p1pP1p/1p6/1bpP4/2N2N2/PP2BPPP/R2QK2R b KQkq - fmvn 10; hmvc 2; pm Qxf6;
rnb1k2r/p4p2/2p1pq1p/1p6/1bpP4/2N2N2/PP2BPPP/R2QK2R w KQkq - fmvn 11; hmvc 0; pm O-O;
rnb1k2r/p4p2/2p1pq1p/1p6/1bpP4/2N2N2/PP2BPPP/R2Q1RK1 b kq - fmvn 11; hmvc 1; pm Bxc3;
rnb1k2r/p4p2/2p1pq1p/1p6/2pP4/2b2N2/PP2BPPP/R2Q1RK1 w kq - fmvn 12; hmvc 0; pm bxc3;
rnb1k2r/p4p2/2p1pq1p/1p6/2pP4/2P2N2/P3BPPP/R2Q1RK1 b kq - fmvn 12; hmvc 0; pm Nd7;
r1b1k2r/p2n1p2/2p1pq1p/1p6/2pP4/2P2N2/P3BPPP/R2Q1RK1 w kq - fmvn 13; hmvc 1; pm a4;
r1b1k2r/p2n1p2/2p1pq1p/1p6/P1pP4/2P2N2/4BPPP/R2Q1RK1 b kq - fmvn 13; hmvc 0; pm Bb7;
r3k2r/pb1n1p2/2p1pq1p/1p6/P1pP4/2P2N2/4BPPP/R2Q1RK1 w kq - fmvn 14; hmvc 1; pm Ne5;
r3k2r/pb1n1p2/2p1pq1p/1p2N3/P1pP4/2P5/4BPPP/R2Q1RK1 b kq - fmvn 14; hmvc 2; pm Nxe5;
r3k2r/pb3p2/2p1pq1p/1p2n3/P1pP4/2P5/4BPPP/R2Q1RK1 w kq - fmvn 15; hmvc 0; pm dxe5;
r3k2r/pb3p2/2p1pq1p/1p2P3/P1p5/2P5/4BPPP/R2Q1RK1 b kq - fmvn 15; hmvc 0; pm Qxe5;
r3k2r/pb3p2/2p1p2p/1p2q3/P1p5/2P5/4BPPP/R2Q1RK1 w kq - fmvn 16; hmvc 0; pm Bf3;
r3k2r/pb3p2/2p1p2p/1p2q3/P1p5/2P2B2/5PPP/R2Q1RK1 b kq - fmvn 16; hmvc 1; pm Rd8;
3rk2r/pb3p2/2p1p2p/1p2q3/P1p5/2P2B2/5PPP/R2Q1RK1 w k - fmvn 17; hmvc 2; pm Qc2;
3rk2r/pb3p2/2p1p2p/1p2q3/P1p5/2P2B2/2Q2PPP/R4RK1 b k - fmvn 17; hmvc 3; pm Rd3;
4k2r/pb3p2/2p1p2p/1p2q3/P1p5/2Pr1B2/2Q2PPP/R4RK1 w k - fmvn 18; hmvc 4; pm axb5;
4k2r/pb3p2/2p1p2p/1P2q3/2p5/2Pr1B2/2Q2PPP/R4RK1 b k - fmvn 18; hmvc 0; pm Rxf3;
4k2r/pb3p2/2p1p2p/1P2q3/2p5/2P2r2/2Q2PPP/R4RK1 w k - fmvn 19; hmvc 0; pm Rxa7;
4k2r/Rb3p2/2p1p2p/1P2q3/2p5/2P2r2/2Q2PPP/5RK1 b k - fmvn 19; hmvc 0; pm Qxb5;
4k2r/Rb3p2/2p1p2p/1q6/2p5/2P2r2/2Q2PPP/5RK1 w k - fmvn 20; hmvc 0; pm gxf3;
4k2r/Rb3p2/2p1p2p/1q6/2p5/2P2P2/2Q2P1P/5RK1 b k - fmvn 20; hmvc 0; pm Qg5+;
4k2r/Rb3p2/2p1p2p/6q1/2p5/2P2P2/2Q2P1P/5RK1 w k - fmvn 21; hmvc 1; pm Kh1;
4k2r/Rb3p2/2p1p2p/6q1/2p5/2P2P2/2Q2P1P/5R1K b k - fmvn 21; hmvc 2; pm Rg8;
4k1r1/Rb3p2/2p1p2p/6q1/2p5/2P2P2/2Q2P1P/5R1K w - - fmvn 22; hmvc 3;
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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Dann Corbit
Posts: 12537
Joined: Wed Mar 08, 2006 8:57 pm
Location: Redmond, WA USA

Re: Puzzle Position #1

Post by Dann Corbit »

The analyzed game positions, in reverse order (end to start):

Code: Select all

4k1r1/Rb3p2/2p1p2p/6q1/2p5/2P2P2/2Q2P1P/5R1K w - - acd 7; acs 0; bm Ra8+; ce -32761; dm -3; pm Ra8+; pv Ra8+ Bxa8 Qg6 Rxg6 h3 Qg2#;
4k2r/Rb3p2/2p1p2p/6q1/2p5/2P2P2/2Q2P1P/5R1K b k - acd 9; acs 0; bm Rg8; c3 "Rg8"; ce 32760; dm 4; pm Rg8; pv Rg8 Ra8+ Bxa8 Qg6 Rxg6 h3 Qg2#;
4k2r/Rb3p2/2p1p2p/6q1/2p5/2P2P2/2Q2P1P/5RK1 w k - acd 9; acs 0; bm Kh1; c3 "Kh1"; ce -32759; dm -4; pm Kh1; pv Kh1 Rg8 Ra8+ Bxa8 Qg6 Rxg6 h3 Qg2#;
4k2r/Rb3p2/2p1p2p/1q6/2p5/2P2P2/2Q2P1P/5RK1 b k - acd 11; acs 0; bm Qg5+ Rg8+; c3 "Qg5+"; ce 32758; dm 5; pm Qg5+ Rg8+; pv Rg8+ Qg6 Rxg6+ Kh1 Qg5 Ra8+ Bxa8 h3 Qg2#;
4k2r/Rb3p2/2p1p2p/1q6/2p5/2P2r2/2Q2PPP/5RK1 w k - acd 36; acs 55; bm h4; c3 "gxf3"; ce -192; pm h4; pv h4 Rd3 Rb1 Qh5 Raxb7 O-O Qa4 Qxh4 Qxc6 Rfd8 Re1 Rd1 Rb1 Rxb1 Rxb1 Rd5 Qc7 Qe4 Ra1 Rg5 Qh2 Kh7 Qh3 Rd5 Qg3 Rd3 Qc7 Kg6 Qb8 Kg7 Qb4 Rd5 Qb8 Rg5 Qh2 Qg4 Rc1 Kg6 g3 Rd5;
4k2r/Rb3p2/2p1p2p/1P2q3/2p5/2P2r2/2Q2PPP/5RK1 b k - acd 36; acs 28; bm Qxb5; c3 "Qxb5"; ce 195; pm Qxb5; pv Qxb5 h4 Rd3 Rb1 Qh5 Raxb7 O-O R7b4 Rfd8 Rxc4 Rd1+ Rxd1 Rxd1+ Kh2 Qe5+ g3 Qe1 Rg4+ Kf8 Qe4 Qxf2+ Kh3 Rd2 Qb4+ c5 Qb8+ Ke7 Qc7+ Rd7 Qf4 Qxf4 Rxf4 Rd3 Rc4 Kd6 Kg2 Rd2+ Kf1 h5 Ra4 Rd3 Kf2 Rxc3 Ra7 c4 Rxf7 Rd3 Ke2 Rxg3 Rh7 c3 Kd1;
4k2r/pb3p2/2p1p2p/1P2q3/2p5/2P2r2/2Q2PPP/R4RK1 w k - acd 36; acs 36; bm Rxa7; c3 "Rxa7"; ce -187; pm Rxa7; pv Rxa7 Qxb5 h4 Rd3 Rb1 Qh5 Raxb7 O-O Re1 Qxh4 Qe2 Rxc3 Qe5 Rc2 g3 Qg5 Qxg5+ hxg5 Re5 Kg7 Rxe6 Rb8 Rxb8 fxe6 Rc8 Kf6 Rxc6 Ke5 Kf1 Kd5 Rc7 g4 Ke1 c3 Rd7+ Kc4 Rc7+ Kb5 Kf1 Kb4 Rb7+ Kc5 Rc7+ Kd5;
4k2r/pb3p2/2p1p2p/1P2q3/2p5/2Pr1B2/2Q2PPP/R4RK1 b k - acd 36; acs 24; bm Rxf3; c3 "Rxf3"; ce 203; pm Rxf3; pv Rxf3 Rxa7 Qxb5 Rxb7 Qxb7 gxf3 Rg8+ Kh1 c5 Qe2 Qd5 Ra1 Ke7 Qe3 Rg4 Rb1 Rg5 Ra1 Qf5 f4 Qd5+ f3 Rf5 Kg2 Qd3 Kf2 Kf6 Ra7 Qc2+ Kg3 Rh5 h3 Qg6+ Kf2 Qd3 h4 Qc2+ Kg3 Qb1 f5 Qb8+ f4 Rxf5 Rd7 Qb1 Qf3 Rd5 Rxd5 exd5;
4k2r/pb3p2/2p1p2p/1p2q3/P1p5/2Pr1B2/2Q2PPP/R4RK1 w k - acd 36; acs 49; bm Rfe1; c3 "axb5"; ce -99; pm Rfe1; pv Rfe1 Qxc3 Qxc3 Rxc3 axb5 Rxf3 Rxa7 cxb5 Rxb7 Rd3 Rb8+ Rd8 Rxb5 Ke7 Kf1 Rc8 Rc1 Kd6 Ke2 Rhg8 g3 Rg5 Rb4 Re5+ Kf3 Rec5 Ke3 h5 Rc2 Kd5 Rd2+ Ke5 Rc2 c3 f3 Kf5 Rb7 Kg6 Rb3 e5 Kd3 Kf5 Rb7 f6 Rb3 R5c7 Rbxc3 Rxc3+ Rxc3 Rxc3+ Kxc3 e4 Kd4 exf3 Ke3;
3rk2r/pb3p2/2p1p2p/1p2q3/P1p5/2P2B2/2Q2PPP/R4RK1 b k - acd 36; acs 17; bm Rd3; c3 "Rd3"; ce 102; pm Rd3; pv Rd3 Rfe1 Qxc3 Qxc3 Rxc3 axb5 Rxf3 Rxa7 cxb5 Rxb7 Rd3 Rb8+ Rd8 Rxb5 Rc8 Kf1 Ke7 Rc1 Kd6 g3 Rc6 Ke2 e5 Rc3 Rd8 f4 exf4 gxf4 Rc5 Rb6+ Kd5 Rxh6 Kd4 Rc1 Rb8 h4 Ke4 Rf6 Rb2+ Ke1 c3 Rxf7;
3rk2r/pb3p2/2p1p2p/1p2q3/P1p5/2P2B2/5PPP/R2Q1RK1 w k - acd 36; acs 106; bm Qb1; c3 "Qc2"; ce -56; pm Qb1; pv Qb1 a6 Re1 Qc5 Qe4 Ke7 h4 Rd2 Qf4 Rhd8 axb5 axb5 Bg4 b4 Ra4 bxc3 Rxc4 Qd5 Rxc3 Qd4 Qxd4 R8xd4 Rb1 Rxg4 Rxb7+ Rd7 Rb2 Rd1+ Kh2 Rxh4+ Kg3 Rhd4 Rxc6 Rd7 Kf3 R1d3+ Ke2 Kf6 g3 Kg6 Kf1 Rd2 Rxd2 Rxd2 Kg2 Ra2 Kf3 Ra3+ Ke2 Kf6;
r3k2r/pb3p2/2p1p2p/1p2q3/P1p5/2P2B2/5PPP/R2Q1RK1 b kq - acd 36; acs 95; bm Rd8; c3 "Rd8"; ce 76; pm Rd8; pv Rd8 Qb1 a6 Re1 Qc5 Qc1 Qg5 Qa3 Qe7 Qc1 Qc7 Qe3 Kd7 Be4 Kc8 g3 Rd7 h4 Kb8 h5 Kc8 Rab1 Qd6 Ra1 Rhd8 Qxh6 Qc5 Kg2 Rd2 Re3 b4 cxb4 Qd4 Rae1 c5 Bxb7+ Kxb7 bxc5 Qd5+ Kg1 Qxc5;
r3k2r/pb3p2/2p1p2p/1p2q3/P1p5/2P5/4BPPP/R2Q1RK1 w kq - acd 36; acs 90; bm Bf3; c3 "Bf3"; ce -60; pm Bf3; pv Bf3 Rd8 Qb1 a6 axb5 axb5 Qc1 Rd3 Re1 Qg7 Re3 Kd7 Rxd3+ cxd3 Qd2 Rd8 Qxd3+ Kc7 Qe3 Qg5 Qe1 Rd3 Be4 Rd7 Bf3 Qc5 Qc1 e5 Be4 Bc8 h4 Rd6 Bf3 f5 Be2 Bb7 Rb1 Qd5 Qa3 Qe4 Qa2 Rd2 Qxd2 Qxb1+ Bf1 f4 c4 bxc4 Qa5+ Kd6 Qd8+ Ke6;
r3k2r/pb3p2/2p1pq1p/1p2P3/P1p5/2P5/4BPPP/R2Q1RK1 b kq - acd 36; acs 27; bm Qxe5; c3 "Qxe5"; ce 88; pm Qxe5; pv Qxe5 Bf3 Rd8 Qb1 a6 axb5 axb5 Qc1 Rd3 Re1 Qg7 Re3 O-O Ra7 Bc8 Be4 Rxe3 Qxe3 Rd8 h4 Qf6 Bxc6 Rd1+ Kh2 Qxh4+ Qh3 Qxh3+ gxh3 b4 Ra8 Rd8 cxb4 c3 Ba4 Kf8 Ra7 Rd4 Rc7 Ba6 b5 Rxa4 bxa6 Rxa6 Rxc3 Ke7 Rc7+ Kf6 Kg3 Kg6 f3 Ra4 h4 f5 Rc6 Kf6 Rc7 Ra3;
r3k2r/pb3p2/2p1pq1p/1p2n3/P1pP4/2P5/4BPPP/R2Q1RK1 w kq - acd 36; acs 11; bm dxe5; c3 "dxe5"; ce -84; pm dxe5; pv dxe5 Qxe5 Bf3 Rd8 Qb1 a6 axb5 axb5 Qc1 Rd3 Re1 Qg7 Re3 O-O Ra7 Bc8 Be4 Rxe3 Qxe3 Rd8 h4 Qg4 Bxc6 Rd1+ Kh2 Qxh4+ Qh3 Qxh3+ gxh3 b4 Ra8 Rd8 cxb4 c3 Ba4 Kf8 Bc2 Ke8 Kg3 Ke7 Ra3 Rd4 Rxc3 Bd7 f4 Rxb4 Kf3 Kf6 Rc7 Ba4;
r3k2r/pb1n1p2/2p1pq1p/1p2N3/P1pP4/2P5/4BPPP/R2Q1RK1 b kq - acd 36; acs 14; bm Nxe5; c3 "Nxe5"; ce 84; pm Nxe5; pv Nxe5 dxe5 Qxe5 Bf3 Rd8 Qb1 a6 axb5 axb5 Qc1 Rd3 Re1 Qg7 Re3 O-O Ra7 Bc8 Be4 Rxe3 Qxe3 Rd8 h4 Qf6 Bxc6 Rd1+ Kh2 Qxh4+ Qh3 Qxh3+ gxh3 b4 Ra8 Rd8 cxb4 c3 Be4 Kf8 Ra3 Rd4 Rxc3 Ba6 Bf3 Rxb4 Rc7 Kg7 Bh5 Rb7 Rc3 Rd7 Kg3 Bd3 f4 Kf6 Bf3 Bf5 h4 Rd4 Rc1 Be4 Bxe4 Rxe4 Kf3 Ra4;
r3k2r/pb1n1p2/2p1pq1p/1p6/P1pP4/2P2N2/4BPPP/R2Q1RK1 w kq - acd 36; acs 259; bm Nd2; c3 "Ne5"; ce 70; pm Nd2; pv Nd2 a6 Bf3 Qe7 Re1 Nb6 Qc1 Kf8 h3 Rd8 Re5 Nd7 Re2 Nf6 Rb1 Kg7 axb5 cxb5 Bxb7 Qxb7 Nxc4 Rhg8 Ne5 Kh7 g3 Rg5 Qf4 Kg7 c4 Qc7 c5 Rf5 Qe3 Nd7 g4 Rxe5 dxe5 Qxc5 Kg2 Qd5+ f3;
r1b1k2r/p2n1p2/2p1pq1p/1p6/P1pP4/2P2N2/4BPPP/R2Q1RK1 b kq - acd 36; acs 60; bm O-O; c3 "Bb7"; ce -29; pm O-O; pv O-O Nd2 Nb6 Bf3 Nd5 Ne4 Qg7 axb5 cxb5 Re1 Rd8 Qc1 a5 Nc5 Ra7 Re4 Kh7 Rb1 a4 Rxb5 Qg5 Qe1 a3 Rb1 Rg8 Ra1 f5 Re5 Nf4 g3 Rgg7 Qf1 Nd3 Nxe6 Bxe6 Rxe6 Rg6 Rc6 Rxc6;
r1b1k2r/p2n1p2/2p1pq1p/1p6/2pP4/2P2N2/P3BPPP/R2Q1RK1 w kq - acd 36; acs 98; bm a4; c3 "a4"; ce 31; pm a4; pv a4 O-O Nd2 Nb6 Qc1 Nd5 Bf3 a5 Ne4 Qg7 Re1 Rd8 axb5 cxb5 Nc5 Ra7 Rb1 a4 Re4 Kh7 Rxb5 Qg5 Qe1 Nf4 Rb1 a3 Ra1 f5 Re3 a2 Kh1 e5 Rxe5 Nd3 Nxd3 cxd3 g3 d2 Qd1 Qg7;
rnb1k2r/p4p2/2p1pq1p/1p6/2pP4/2P2N2/P3BPPP/R2Q1RK1 b kq - acd 36; acs 197; bm Nd7; c3 "Nd7"; ce -35; pm Nd7; pv Nd7 a4 O-O Re1 Rd8 Nd2 Nb6 Bf3 Nd5 Ne4 Qg7 axb5 cxb5 Nc5 a5 Qc1 Ra7 Rb1 b4 cxb4 axb4 Qxc4 Ra3 Bxd5 exd5 Qxb4 Bh3 g3 Rda8 Qb6 Ra2 Re5 Qg6 Qxg6+ fxg6 Rxd5 Ra1 Rd8+ Rxd8 Rxa1;
rnb1k2r/p4p2/2p1pq1p/1p6/2pP4/2b2N2/PP2BPPP/R2Q1RK1 w kq - acd 36; acs 167; bm bxc3; c3 "bxc3"; ce 34; pm bxc3; pv bxc3 Nd7 a4 O-O Re1 Rd8 Nd2 Nb6 Bf3 Nd5 Ne4 Qg7 axb5 cxb5 Qd2 a5 Nc5 Ra7 Re4 Kh7 Qc2 Qg6 Qb2 f5 Re5 Nc7 d5 Qf6 Rae1 exd5 Re7+ Kh8 Qd2 Rg8 R1e5 Rg7 Bxd5 Nxd5 Re8+ Kh7 Qxd5;
rnb1k2r/p4p2/2p1pq1p/1p6/1bpP4/2N2N2/PP2BPPP/R2Q1RK1 b kq - acd 36; acs 208; bm Bb7; c3 "Bxc3"; ce 20; pm Bb7; pv Bb7 a3 Bxc3 bxc3 Nd7 a4 a6 Re1 O-O Rb1 c5 axb5 Be4 Rb2 axb5 Rxb5 Bc6 Rb1 Rfd8 Qc1 cxd4 Nxd4 Bd5 Qe3 Ne5 f4 Qg6 g3 Nd3 Rf1 Qe4 Qxe4 Bxe4 Ra1 Rxa1 Rxa1 Rb8 h3 Rb2 h4 Kg7 Kh2 Nc5 Kg1;
rnb1k2r/p4p2/2p1pq1p/1p6/1bpP4/2N2N2/PP2BPPP/R2QK2R w KQkq - acd 36; acs 25; bm Ne5; c3 "O-O"; ce 0; pm Ne5; pv Ne5 Nd7 Nxc6 Bxc3+ bxc3 Bb7 Bf3 e5 Nxe5 Nxe5 Bxb7 Nd3+ Kd2 Rb8 Qf3 Qg5+ Kc2 Rxb7 Rae1+ Nxe1+ Rxe1+ Re7 Qa8+ Kd7 Qxa7+ Kd8 Qa8+ Kc7 Qa7+;
rnbqk2r/p4p2/2p1pP1p/1p6/1bpP4/2N2N2/PP2BPPP/R2QK2R b KQkq - acd 36; acs 144; bm Nd7; c3 "Qxf6"; ce 0; pm Nd7; pv Nd7 Ne5 Bb7 Bf3 Nxe5 dxe5 Qc7 O-O Qxe5 a4 Rd8 Qc2 Rd3 Rfd1 Qxf6 Rxd3 cxd3 Qxd3 bxa4 Rxa4 a5 Na2 Bc5 Qb3 Rg8 Qxb7 Qxf3 Qc8+ Ke7 Qc7+ Ke8;
rnbqk2r/p4p2/2p1pP1p/1p6/1bpP4/2N2N2/PP3PPP/R2QKB1R w KQkq - acd 36; acs 135; bm g3; c3 "Be2"; ce 32; pm g3; pv g3 Nd7 Bg2 Bb7 O-O Qxf6 Qe2 Bxc3 bxc3 c5 Rab1 a6 a4 cxd4 Nxd4 Bxg2 Kxg2 bxa4 Rb4 Qe5 Qxc4 Qc5 Rxa4 Qxc4 Rxc4 O-O Nc6 a5 Ra1 Nb6 Rg4+ Kh7 Rxa5 Rxa5 Nxa5 Rc8 Rb4 Nd5 Rb7 Rxc3 Rxf7+ Kg6 Rd7 Rc2 Nb7 Ne3+ Kf3 Nf1 Rd4;
rnbqkb1r/p4p2/2p1pP1p/1p6/2pP4/2N2N2/PP3PPP/R2QKB1R b KQkq - acd 36; acs 176; bm Bb7; c3 "Bb4"; ce 98; pm Bb7; pv Bb7 g3 Qxf6 Bg2 Nd7 O-O Bg7 a4 a6 Re1 Rd8 Qc2 O-O Ne5 Nxe5 dxe5 Qe7 f4 f6 exf6 Qxf6 axb5 axb5 Rad1 Rxd1 Rxd1 Rd8 Rxd8+ Qxd8 Qg6 Kf8 Qxe6 Qf6 Qxf6+ Bxf6 Nxb5 cxb5 Bxb7 Bxb2 Kf2 b4 Ke3;
rnbqkb1r/p4p2/2p1pp1p/1p2P3/2pP4/2N2N2/PP3PPP/R2QKB1R w KQkq - acd 36; acs 100; bm g3; c3 "exf6"; ce -46; pm a4 {8} exf6 {2} g3 {2}; pv g3 Bb7 Bg2 f5 a4 a6 O-O Nd7 Qe2 Be7 Rfd1 Nb6 Ne1 Kf8 Nc2 b4 a5 bxc3 axb6 cxb2 Rab1 Qxb6 Qxc4 Rb8 Ne3 f4 gxf4 c5 Rd2 Rg8 Rbxb2 Qa5 Rd1 Qc7 dxc5 Rc8 Rxb7 Qxb7 Kf1 Qb5 Qxb5 axb5 c6; white_wins 2; black_wins 6; draws 3;
rnbqkb1r/p4pp1/2p1pB1p/1p2P3/2pP4/2N2N2/PP3PPP/R2QKB1R b KQkq - acd 36; acs 322; bm gxf6; c3 "gxf6"; ce 42; pm gxf6 {13}; pv gxf6 g3 Bb7 Bg2 f5 a4 a6 O-O Nd7 Qe2 Nb6 Rfd1 Be7 Ne1 Kf8 Nc2 b4 a5 bxc3 axb6 cxb2 Rab1 Qxb6 Qxc4 Rb8 Ne3 a5 Rd2 Ba6 Rdxb2 Bxc4 Rxb6 Rxb6 Rxb6 Bd5 Nxd5 cxd5 Rb7 h5 Bf3 a4 Ra7 a3 h4 Bb4 Ra4; white_wins 2; black_wins 6; draws 3;
rnbqkb1r/p4pp1/2p1pn1p/1p2P1B1/2pP4/2N2N2/PP3PPP/R2QKB1R w KQkq - acd 36; acs 400; bm Bh4; c3 "Bxf6"; ce 0; pm Bh4 {5621} Bxf6 {13} Bf4 {5} exf6 {5} Bd2 {1}; pv Bh4 g5 Nxg5 hxg5 Bxg5 Nbd7 exf6 Bb7 h4 Nxf6 a4 a6 axb5 cxb5 Bxc4 Be7 Bf1 Qb6 Rh3 Rd8 Rd3 Nd5 Nxd5 Rxd5 Bxe7 Kxe7 g3 Rhd8 Qd2 Rxd4 Rxd4 Rxd4 Qg5+ Ke8 Qg8+ Ke7 Qg5+; white_wins 2322; black_wins 1732; draws 1308;
rnbqkb1r/p4ppp/2p1pn2/1p2P1B1/2pP4/2N2N2/PP3PPP/R2QKB1R b KQkq - acd 37; acs 547; bm h6; c3 "h6"; ce 0; pm h6 {5645} b4 {3}; pv h6 Bh4 g5 Nxg5 hxg5 Bxg5 Nbd7 exf6 Bb7 h4 Nxf6 Qf3 Be7 Be2 Nd5 Bxe7 Qxe7 Nxd5 cxd5 Qf4 f6 O-O-O Rc8 Rde1 c3 Bg4 cxb2+ Kxb2 Qb4+ Ka1 Qc3+ Kb1 Qb4+ Ka1; white_wins 2324; black_wins 1732; draws 1309; Opening ECO:D44e; Semi-Slav: Botvinnik, 7.e5; 1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c6 5.Bg5 dxc4 6.e4 b5 7.e5 *;
rnbqkb1r/p4ppp/2p1pn2/1p4B1/2pPP3/2N2N2/PP3PPP/R2QKB1R w KQkq - acd 43; acs 9960; bm e5; c3 "e5"; ce 45; pm e5 {5656} a4 {700} Be2 {32} Qc2 {28} g3 {6} a3 {3} Bh4 {1}; pv e5 h6; white_wins 2605; black_wins 1995; draws 1478; Opening ECO:D44; Variation QGD: semi-Slav, Botvinnik system (anti-Meran); Comment (ext fm 6.e4) *pwo; 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c6 5. Bg5 dxc4 6. e4 b5 *;
rnbqkb1r/pp3ppp/2p1pn2/6B1/2pPP3/2N2N2/PP3PPP/R2QKB1R b KQkq - acd 36; acs 495; bm b5; c3 "b5"; ce 1; id "C.A.P. 445003"; pm b5 {6414} h6 {81} Qb6 {51} Be7 {11} Bb4 {6} Qa5 {4} Nbd7 {3} b6 {1}; pv b5 Be2 Bb7 Bxf6 gxf6 O-O Nd7 Kh1; white_wins 2683; black_wins 2035; draws 1503; Opening Semi-Slav Defense: Botvinnik Variation. 1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c6 5.Bg5 dxc4 6.e4; CaxtonID: 1968; ECO: D44;
rnbqkb1r/pp3ppp/2p1pn2/6B1/2pP4/2N2N2/PP2PPPP/R2QKB1R w KQkq - acd 38; acs 731; bm e4; c3 "e4"; ce 27; pm e4 {6569} a4 {980} e3 {174} g3 {17} Ne5 {9} Bxf6 {1} Rc1 {1}; pv e4 b5 e5 h6 Bh4 g5 Nxg5 hxg5 Bxg5 Nbd7 exf6 Bb7 h4 Nxf6 Qf3 Be7 Be2 Qxd4 Nxb5 cxb5 Qxb7 Qd5 Qa6 Rd8 O-O Nd7 Rad1 Qe5 Bxe7 Kxe7 Qa3+ Nc5 f4 Qc7 Rxd8 Kxd8 Qc3 Rxh4 Qg7 Nd3 g3 Qc5+ Kg2 Qe3 Qf8+ Kc7 Qxf7+ Kb6 Bxd3 Qd2+ Rf2 Rh2+ Kxh2 Qxf2+ Kh3 cxd3 Qxe6+ Ka5; white_wins 3118; black_wins 2439; draws 1781; Opening Semi-Slav Defense: Accepted. 1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c6 5.Bg5 dxc4; CaxtonID: 1958; ECO: D44;
rnbqkb1r/pp3ppp/2p1pn2/3p2B1/2PP4/2N2N2/PP2PPPP/R2QKB1R b KQkq - acd 39; acs 5400; bm Be7; c3 "dxc4"; ce -20; id "es-dc-neutral.0722"; pm h6 {18940} Nbd7 {7460} dxc4 {7131} Be7 {1002} Bb4 {339} Bd6 {21} Qb6 {20} a6 {16} Qa5 {7} b6 {2} g6 {1}; pv Be7 e3 O-O cxd5 exd5 Bd3 Re8 O-O Bg4 h3 Bxf3 Qxf3 Nbd7 Bf4 Nf8 Rac1 Ng6 Bg3 Bd6 Bxd6 Qxd6 Na4 Ne4 Bxe4 Rxe4 Nc5 Re7 Qd1 Rae8 b4 Nh4 a4 Qf6 Nd3 Qg5 Nf4 Ng6 Nxg6 Qxg6 b5 cxb5 axb5 Qe4 Kh2 g6; white_wins 12387; black_wins 10239; draws 9741; Opening ECO:D43f; Semi-Slav: Botvinnik (Anti-Meran); 1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c6 5.Bg5 *;
rnbqkb1r/pp3ppp/2p1pn2/3p4/2PP4/2N2N2/PP2PPPP/R1BQKB1R w KQkq - acd 40; acs 1724; bm e3; c3 "Bg5"; ce 28; id "es-dc-neutral.0060"; pm e3 {86961} Bg5 {34442} cxd5 {4997} g3 {1689} Qb3 {1289} Qd3 {397} Qc2 {133} Bf4 {80} a4 {66} b3 {16} c5 {14} g4 {9} a3 {8} Bd2 {6} Ne5 {6} Qa4 {5} Nd2 {1}; pv e3 Nbd7 Bd3 dxc4 Bxc4 b5 Be2 Bb7 O-O b4 Na4 Be7 b3 O-O Bb2 c5 Rc1 cxd4 Bxd4 Rc8 Nd2 e5 Bb2 Rxc1 Qxc1 Qa8 f3 Rc8 Nc4 Bc6 Qc2 Bxa4 bxa4 Qc6 Rc1 Qe6 Bd3 Nb6 a5 e4 axb6 exd3 Qxd3 axb6 e4; white_wins 45375; black_wins 39074; draws 37579; Opening Semi-Slav Defense: General. 1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c6; CaxtonID: 1970; ECO: D43;
rnbqkbnr/pp3ppp/2p1p3/3p4/2PP4/2N2N2/PP2PPPP/R1BQKB1R b KQkq - acd 36; acs 600; bm Nf6; c3 "Nf6"; ce -24; pm Nf6 {6856} dxc4 {2156} f5 {527} Nd7 {145} Bd6 {29} Be7 {23} Bb4 {4} a6 {2} g6 {1} h6 {1}; pv Nf6 Bg5; white_wins 3167; black_wins 2644; draws 2610; Opening ECO:D31p; Semi-Slav: 4.Nf3; 1.d4 d5 2.c4 e6 3.Nc3 c6 4.Nf3 *;
rnbqkbnr/pp3ppp/2p1p3/3p4/2PP4/2N5/PP2PPPP/R1BQKBNR w KQkq - acd 39; acs 3720; bm cxd5; c3 "Nf3"; ce 8; id "es-dc-neutral.0399"; pm e3 {9655} Nf3 {5877} e4 {2785} cxd5 {2426} Bf4 {125} Qb3 {85} g3 {40} Qd3 {11} c5 {4} Qc2 {2} a3 {2} Bg5 {1} b3 {1}; pv cxd5 exd5 Bf4 Nf6 e3 Bd6 Bxd6 Qxd6 Bd3 b6 h3 Ba6 Bxa6 Nxa6 Nf3 Nb8 Ne5 O-O O-O Nbd7 f4 b5 Qc2 Qe6 Rae1 Rfc8 b3 a5 g4 Nb6 g5 Nfd7 Ng4 Qg6 Qxg6 hxg6 Ne5 Nxe5 fxe5 b4 Ne2 Nd7 Rd1; white_wins 6620; black_wins 5558; draws 6029; Opening Semi-Slav Defense: Acclerated Move Order. 1.d4 d5 2.c4 e6 3.Nc3 c6; CaxtonID: 1959; ECO: D31;
rnbqkbnr/ppp2ppp/4p3/3p4/2PP4/2N5/PP2PPPP/R1BQKBNR b KQkq - acd 39; acs 1995; bm Nf6; c3 "c6"; ce -10; pm Nf6 {40155} c6 {16746} Be7 {11832} c5 {8487} Bb4 {2336} f5 {1010} dxc4 {531} Nc6 {414} a6 {254} b6 {68} h6 {50} Nd7 {23} Bd7 {12} g6 {12} Ne7 {4} Bd6 {2} Qh4 {2} a5 {2} Qd7 {1} e5 {1} f6 {1}; pv Nf6 cxd5 exd5 Bg5 c6 e3 h6 Bh4 Be7 Qc2 O-O Bd3 Re8 Nge2 Nbd7 O-O Bd6 a3 Nf8 h3 Qe7 b4 Ne6 b5 Ng5 bxc6 bxc6 Bg3 Rb8 Bxd6 Qxd6 Rfb1 Rxb1+ Qxb1 Nge4 Nxe4 Nxe4 Bxe4 Rxe4 Qd3 Re8 Qb3 Re7; white_wins 25571; black_wins 19064; draws 25032; Opening Queen's Gambit Declined: Queen's Knight Variation. 1.d4 d5 2.c4 e6 3.Nc3; CaxtonID: 1743; ECO: D31;
rnbqkbnr/ppp2ppp/4p3/3p4/2P5/2N5/PP1PPPPP/R1BQKBNR w KQkq - acd 36; acs 587; bm d4; c3 "d4"; ce 30; pm d4 {9083} cxd5 {1277} e3 {397} b3 {81} Nf3 {43} g3 {39} e4 {8} d3 {3}; pv d4 Nf6 Nf3 Bb4 Qa4+ Nc6 e3 O-O Bd2 dxc4 Bxc4 Bd6 O-O e5 d5 Ne7 Qc2 Bg4 Ng5 Bf5 Nge4 Bxe4 Nxe4 Nexd5 Rfd1 c6 Nxd6 Qxd6 e4 Nb6 Be3 Qc7 Bb3 Nbd7 a4 h6 a5 Rfe8 h3 Red8 f3; white_wins 3211; black_wins 2398; draws 3326; Opening ECO:A13g; English: 1...e6 2.Nc3 d5; 1.c4 e6 2.Nc3 d5 *;
rnbqkbnr/pppp1ppp/4p3/8/2P5/2N5/PP1PPPPP/R1BQKBNR b KQkq - acd 37; acs 787; bm d5; c3 "d5"; ce -12; pm d5 {10930} Nf6 {2599} Bb4 {857} c5 {834} b6 {735} f5 {384} Nc6 {229} c6 {14} a6 {5} d6 {3} Be7 {2} Ne7 {2} e5 {2} b5 {1} g6 {1} h6 {1}; pv d5 d4 Nf6 Nf3 c6 e3 Nbd7 Qc2 h6 cxd5 exd5 Bd3 Bd6 O-O O-O Re1 Nb6 b3 Re8 Bb2 Be6 h3 Nbd7 Rad1 Rc8 Rc1 Rc7 Rf1 Rc8 Rfd1 a6 Re1 Bb4 Ne5 c5 Nxd7 Bxd7; white_wins 5244; black_wins 3911; draws 4935; Opening ECO:A13; Variation English (plus QGD); Comment *pwo 5/01 add, catchall; 1. c4 e6 2. Nc3 *;
rnbqkbnr/pppp1ppp/4p3/8/2P5/8/PP1PPPPP/RNBQKBNR w KQkq - acd 40; acs 1982; bm Nc3; c3 "Nc3"; ce 44; id "es-dc-neutral.0125"; pm Nf3 {19126} d4 {17365} Nc3 {16599} g3 {9687} e4 {2057} d3 {234} b3 {198} e3 {160} f4 {57} Qa4 {6} a3 {5} g4 {4} h3 {4} Na3 {1} Qb3 {1} f3 {1}; pv Nc3 c5 Nf3 Nc6 d4 cxd4 Nxd4 Nf6 a3 Nxd4 Qxd4 Qe7; white_wins 21053; black_wins 16084; draws 19247; Opening English Opening: Agincourt Defense. 1.c4 e6; CaxtonID: 423; ECO: A13;
rnbqkbnr/pppppppp/8/8/2P5/8/PP1PPPPP/RNBQKBNR b KQkq - acd 43; acs 3600; bm e5; c0 "Grigory Yuryevich Serper vs Ioannis Nikolaidis"; c3 "e6"; c4 "e5"; ce -17; id "Grob.002"; pm e5 {147967} Nf6 {131422} e6 {65506} c5 {63337} c6 {26578} g6 {24144} f5 {9596} b6 {4654} d6 {3189} Nc6 {2903} d5 {271} g5 {39} a5 {32} a6 {30} b5 {20} Na6 {8} h5 {7} h6 {6} f6 {3} Nh6 {2}; pv e5 Nc3; white_wins 151467; black_wins 119944; draws 125655; Opening English Opening: General. 1.c4; CaxtonID: 464; ECO: A10;
rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR w KQkq - acd 70; acs 1589745; bm c4; c0 "Lev Milman vs Joseph Fang"; c2 "perft 1 20 perft 2 400 perft 3 8902 perft 4 197281 perft 5 4865609 perft 6 119060324"; c3 "c4"; c4 "c4"; ce 8; pm e4 {2379495} d4 {1725526} Nf3 {483679} c4 {479713} g3 {39820} f4 {35589} b3 {27764} Nc3 {13010} e3 {2686} b4 {2458} g4 {2450} c3 {1654} d3 {1649} a3 {1150} h3 {717} a4 {552} h4 {425} f3 {363} Nh3 {82} Na3 {28}; pv c4 c5 Nf3 Nf6 g3 d5 d4 dxc4 Qa4 Nc6 dxc5 e6 Bg2 Bxc5 Nc3 Qa5 Qxc4 O-O O-O Bd7 Ne4 Be7 Bd2 Qf5 Nxf6 Bxf6 Bc3 e5 Nd2 Rac8 Qb3 Rc7 Bd5 b5 a3 a6 Rac1 Be7 e3 Rfc8 f4 Be6 Bxe6 Qxe6 Qxe6 fxe6 Ne4 a5 Bxe5 Nxe5 Rxc7 Rxc7 fxe5 Rc4 Rf4 Bc5 Nxc5 Rxc5 Kf1 Rc1 Kg2 Rc5 b4 axb4 axb4 Rc2 Rf2 Rc3 Kf3 Rc4 Rd2 Rxb4 Rd7 g5 g4 Rb2 Rb7 Rxh2 Rxb5; white_wins 1826279; black_wins 1425008; draws 1430947; Opening Fundamental opening position;
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