Fascinating imbalance

[Nordlandia]

[d]4q3/p6k/1p2r1p1/3NBr1p/2P2P2/1P1P2QP/P5K1/8 b - - 0 37

[d]r2q3r/pp2k1b1/4ppPp/1B1pN3/3P3B/PpP5/1P3PP1/2KR3R b - - 0 19

[d]r1r3k1/4pp1p/p2pb1p1/Qp6/2PbP3/1P2nPK1/P3B1PP/2R4R b - - 0 18

[d]r1bqrk2/pppp1p1p/6p1/8/4N3/1P2P3/PBP2PPP/2KR1B1R w - - 0 13

[d]3r2k1/pbpp2p1/1p2p2p/2b1Pr2/2P2PnP/P7/1P2Q1P1/R1B1K2R b KQ - 0 19

[d]r3qk1r/4ppb1/1B4pp/p1Np4/3P4/P3P3/P3BPPP/R1R3K1 b - - 0 21

[d]r4rk1/1p2pp1p/2bp2pb/2n5/1pP1P3/1P3P2/P1Q1B1PP/2R2RK1 w - - 0 23

[d]r3kb1r/1p3pp1/p2p1P1p/q3p3/2R1P2P/2N1BB2/PPP2P2/2K4R b kq - 0 16

[d]r1b3k1/1p4bp/p2p2pn/2pP1p1n/P1P2P2/1PN1r2P/2B1N1P1/R2Q2K1 w - - 0 2

[d]5rk1/1b1n3p/p2p2pb/1p1Ppp1n/4P3/3B1PP1/PP1NQK1P/N7 b - - 0 20

[d]2b1k1nr/1p2ppb1/1Pn3pp/1ppQ4/4P2B/2N5/1PP1NPPP/r3K2R w Kk - 0 13

[d]5rk1/2p2qb1/p1np2pp/Pp2p2n/1P2P2N/B1PPN1PB/4R2P/3R2K1 b - - 0 26

[d]r4rk1/7p/p2Np1p1/2p1p3/8/1P4PP/P3PP2/R5K1 b - - 0 21

[d]r1bq3r/pp3k1p/2n2pp1/2B5/2P1B3/6P1/3PPP1P/Q3NRK1 w - - 0 18

[d]4n1k1/1p1b1rb1/3p3p/pN1P4/P1q2PP1/3pB3/R5K1/3Q3R w - - 0 6

[d]4k2r/1p1bbpp1/p3p2p/3pP2P/Pq6/5N2/1P2QPP1/R4RK1 w k - 0 5

[d]1b4k1/1p1b1pp1/p3p2p/3pP2P/Pq6/1P3B2/2Q2PP1/3R2K1 w - - 0 14

[peter]

Hi Jon!

[d]4q3/p6k/1p2r1p1/3NBr1p/2P2P2/1P1P2QP/P5K1/8 b - - 0 37
...

You overburden us again, Jon, thanks once in while for your untiring work!
Just had a look at the first one, that seems to be rather hopeless for White, doesn't it?

Output after some FW- BW:

4q3/p6k/1p2r1p1/3NBr1p/2P2P2/1P1P2QP/P5K1/8 b - - 0 1

Analysis by Brainfish 090617 64 POPCNT:

37...g5 38.d4 Qg6 39.Kh2 Re8 40.h4 gxf4 41.Nxf4 Qh6 42.Nh3 Qd2+ 43.Qg2 Qxg2+ 44.Kxg2 Rg8+ 45.Ng5+ Kg6 46.Ne6 Kh6+ 47.Ng5 Rgf8 48.Bg3 Rf1 49.Ne6 R8f6 50.d5 Kg6 51.Kh3 Rh1+ 52.Kg2 Ra1 53.Nf4+ Kf7 54.Nxh5 Rxa2+ 55.Kh3 Rf3 56.Kg4 Rxb3 57.Be5 Rb4 58.Nf4 Rxc4 59.Kf5 b5 60.d6 Rd2 61.h5 Rc5 62.h6 Rxd6 63.h7 Rh6 64.Nd3 Rc8 65.h8Q Rcxh8 66.Bxh8 Rh5+ 67.Ke4 Rxh8
-+ (-3.93) Depth: 37/69 00:08:14 12886MN

And here a short game outplayed with the same engine on 24 threads and 30'+5":

[pgn]
[Event "Stellung ausspielen (Brainfish961764POPC"]
[Site "?"]
[Date "????.??.??"]
[Round "?"]
[White "Neue Partie"]
[Black "?"]
[Result "0-1"]
[FEN "4q3/p6k/1p2r1p1/3NBr1p/2P2P2/1P1P2QP/P5K1/8 b - - 0 37"]
[SetUp "1"]

37...g5 { [%eval -344,31] } 38.d4 { [%eval -346,33] } 38...Qg6 { [%eval -383,30] } 39.h4 { [%eval -378,35] (Kh2) } 39...gxh4 { [%eval -425,30] } 40.Qxg6+ { [%eval -436,34] } 40...Rxg6+ { [%eval -456,31] } 41.Kh3 { [%eval -453,32] } 41...Rg1 { [%eval -471,29] } 42.Kxh4 { [%eval -465,34] } 42...Rh1+ { [%eval -490,32] } 43.Kg3 { [%eval -482,1] } 43...Rf8 { [%eval -498,30] } 44.Ne7 { [%eval -430,31] (Kg2) } 44...Re8 { [%eval -512,32] } 45.Nd5 { [%eval -513,32] } 45...Kg6 { [%eval -554,29] } 46.b4 { [%eval -533,31] } 46...h4+ { [%eval -579,31] } 47.Kg2 { [%eval -620,36] } 47...Rc1 { [%eval -641,31] } 48.Kh3 { [%eval -644, 32] } 48...Rxc4 { [%eval -669,31] } 49.Kxh4 { [%eval -688,36] } 49...Rd8 { [%eval -716,31] } 0-1
[/pgn]

[peter]

...
[d]1b4k1/1p1b1pp1/p3p2p/3pP2P/Pq6/1P3B2/2Q2PP1/3R2K1 w - - 0 14

And the last one looks rather drawish, doesn't it?

Output after FW-BW:

1b4k1/1p1b1pp1/p3p2p/3pP2P/Pq6/1P3B2/2Q2PP1/3R2K1 w - - 0 1

Analysis by Brainfish 090617 64 POPCNT:

14.Qd2 Qxd2 15.Rxd2 Kf8 16.Re2 f6 17.exf6 gxf6 18.g3 Be5 19.Bg4 Kf7 20.f4 Bc3 21.Bf3 b5 22.f5 bxa4 23.fxe6+ Bxe6 24.bxa4 a5 25.Kg2 f5 26.Rf2 Kf6 27.Bd1 Bd7 28.Bb3 d4 29.Bc2 Kg5 30.Rf4 Be6 31.Kf2 Bd7 32.Bd3 Be6 33.Ke2 Bd7 34.Bc2 Be6 35.Bb1 Bd7 36.Bd3 Be6 37.Kf3 Bd7 38.Kg2 Be6 39.Bc2 Bd7 40.Bb1 Bc6+ 41.Kf2
= (0.19) Depth: 49/65 00:01:43 2617MN
...
14.Qd2 Qxd2
= (0.19 --) Depth: 50/68 00:05:24 8147MN

and playout with 24 threads and 45+5:

[pgn]
[Event "Stellung ausspielen (Brainfish961764POPC"]
[Site "?"]
[Date "2017.06.15"]
[Round "?"]
[White "Neue Partie"]
[Black "?"]
[Result "1/2-1/2"]
[Annotator "Martan,Peter"]
[FEN "1b4k1/1p1b1pp1/p3p2p/3pP2P/Pq6/1P3B2/2Q2PP1/3R2K1 w - - 0 14"]
[SetUp "1"]

14.Qd2 { [%eval 41,38] } 14...Qxd2 { [%eval 27,43] } 15.Rxd2 { [%eval 33,44] } 15...Kf8 { [%eval 27,41] } 16.Kf1 { [%eval 28,43] (Td1) } 16...Ke7 { [%eval 27,43] } 17.Re2 { [%eval 19,44] } 17...Ba7 { [%eval 19,48] } 18.Bg4 { [%eval 19,41] } 18...f5 { [%eval 10,42] } 19.exf6+ { [%eval 10,44] } 19...gxf6 { [%eval 18,45] } 20.Rd2 { [%eval 18,42] (f4) } 20...Bb8 { [%eval 16,43] } 21.Be2 { [%eval 8,42] } 21...Be5 { [%eval 8,43] } 22.g4 { [%eval 8,44] } 22...Kd6 { [%eval 8,40] } 23.Rc2 { [%eval 15,43] } 23...Bd4 { [%eval 8,54] (Lc6) } 24.f3 { [%eval 8,43] (Ld3) } 24...Bb6 { [%eval 8,47] } 25.Ra2 { [%eval 0,40] (Kg2) } 25...Ba5 { [%eval 0,43] (Ke5) } 26.Rb2 { [%eval 8,43] (Ld3) } 26...Bb6 { [%eval 8,42] } 27.Kg2 { [%eval 15,42] } 27...e5 { [%eval 15,43] } 28.Rc2 { [%eval 15,43] } 28...Be3 { [%eval 8,48] } 29.Bd3 { [%eval 8,50] } 29...Bc6 { [%eval 8,45] } 30.Bf5 { [%eval 8,45] (Lg6) } 30...Bg5 { [%eval 8,49] } 31.Kg3 { [%eval 8,51] } 31...Be3 { [%eval 6,50] } 32.Bd3 { [%eval 6,49] } 32...Bd4 { [%eval 6,50] } 33.Bf5 { [%eval 6,47] (Lg6) } 33...Be3 { [%eval 6,48] } 34.Bd3 { [%eval 6,51] } 34...Bd4 { [%eval 6,46] (Lb6) } 35.Bg6 { [%eval 6,48] (Lh7) } 35...Be3 { [%eval 6,52] } 36.Kg2 { [%eval 6,53] } 36...Bg5 { [%eval 6,52] } 37.Kf2 { [%eval 6,56] } 37...e4 { [%eval 6,58] } 38.fxe4 { [%eval 6,59] } 38...dxe4 { [%eval 6,61] } 39.Rxc6+ { [%eval 6,65] } 39...bxc6 { [%eval 6,67] } 40.Bxe4 { [%eval 6,71] } 40...Kc5 { [%eval 6,73] } 41.Kg2 { [%eval 6,67] (Ke2) } 41...Kb4 { [%eval 6,72] } 42.Bxc6 { [%eval 6,73] (Kf3) } 42...Kxb3 { [%eval 6,78] } 43.Kf3 { [%eval 6,80] } 43...Kb4 { [%eval 6,82] } 44.Bd7 { [%eval 6,82] (Ke4) } 44...a5 { [%eval 6,67] } 45.Bb5 { [%eval 6,85] (Ke4) } 45...Kc5 { [%eval 6,67] (Kc3) } 46.Ke4 { [%eval 6,67] } 46...Kb4 { [%eval 6,68] } 1/2-1/2
[/pgn]
adjudicated drawn manually

[Nordlandia]

Peter -> yes, it's kinda drawish.

Code: Select all

1b4k1/1p1b1pp1/p3p2p/3pP2P/Pq6/1P3B2/2Q2PP1/3R2K1 w - - 0 14

Those highlighted below is very appealing in my opinion since they are very similar in nature.

[d]Q2nrrk1/1p1qn1b1/2bp2pp/2p1p3/2P2p2/3P2P1/P1NBPP1P/1R1Q1RK1 w - - 0 19

[d]1rbqnrk1/4pp1p/p2p2p1/2p5/2P1PP2/2BP2PP/1P1QN1B1/q2NRRK1 b - - 0 17

[pgn][Event "Leningrad"]
[Site "??"]
[Date "1969.??.??"]
[EventDate "?"]
[Round "?"]
[Result "1-0"]
[White "Aron G Reshko"]
[Black "Vadim Z Faibisovich"]
[ECO "A36"]
[WhiteElo "?"]
[BlackElo "2409"]
[PlyCount "50"]

1.c4 g6 2.Nc3 c5 3.g3 Bg7 4.Bg2 Nc6 5.e4 d6 6.d3 Nf6 7.Nge2
O-O 8.O-O a6 9.h3 Rb8 10.f4 Ne8 11.Be3 Nd4 12.Qd2 b5 13.Rae1
b4 14.Nd1 b3 15.Bxd4 bxa2 16.Bxg7 a1=Q 17.Bc3 Qa4 18.f5 f6
19.Qh6 e5 20.fxe6 Bxe6 21.Nf4 Bf7 22.Ne3 Qad7 23.Ng4 Rb3
24.Nh5 Be6 25.Rxf6 Q8e7 1-0[/pgn]

[pgn][Event "La Fere France, Open"]
[Site "?"]
[Date "2004"]
[Round "?"]
[White "Vinsot, Robin-Gael"]
[Black "Sarakauskas, Gediminas"]
[ECO "A04"]
[WhiteElo "2078"]
[BlackElo "2442"]
[Result "0-1"]

1. Nf3 c5 2. c4 Nc6 3. Nc3 e5 4. g3 g6 5. Bg2 Bg7 6. O-O Nge7 7. d3 O-O 8. Bg5 h6 9. Bd2 d6 10. Ne1 f5 11. Nc2 f4 12. Rb1 Be6 13. b4 Qd7 14. Nd5 Rae8 15. b5 Nd8 16. b6 Bxd5 17. bxa7 Bxg2 18. a8=Q Qh3 19. f3 fxg3 20. hxg3 Qh1+ 21. Kf2 Qh2 22. Ke1 Ndc6 23. Qa3 Nf5 24. Be3 Bxf1 25. Kxf1 Ncd4 26. Ke1 Nxc2+ 27. Qxc2 Nxe3 28. Qcb3 Qxg3+ 29. Kd2 Qg5 30. Ke1 h5 31. Qa7 Re7 32. Qbb6 Bh6 33. Qa4 Qg3+

0-1[/pgn]

[Nordlandia]

[d]2r2bk1/5p2/2Np1Ppp/3P2Pn/qp2Q2P/8/1R2R1KB/2q5 w - - 0 44

[d]r7/pbkn1P1p/2p3pb/1p1r4/3p3Q/2qB4/P3Q1PP/3R1RK1 b - - 0 29

[Nordlandia]

[d]1n2kb1r/rP3ppp/2p1p3/R7/2BPq3/5N2/2bQ1PPP/1qB2RK1 w k - 0 18

[d]r1bqr1k1/4ppPp/1nppq1p1/p7/3PP3/2PBBN1P/1PKQNP2/3R3R w - - 0 18

[d]r1bq1rk1/2q1ppBn/3p2pQ/7p/2B1P2P/2PP1P2/1P1KN1P1/6RR w - - 0 23

[Nordlandia]

[d]q4nk1/4pp2/3pb1pQ/q6p/4P2P/2PP1P2/1PPK2P1/3N2RR b - - 0 25

[Nordlandia]

[d]6k1/1p2bpp1/p2p3p/4p3/P1P5/2n4P/2P2PP1/R4BK1 b - - 0 10

[d]6k1/1p2bpp1/pr1p1n1p/4p3/P3P3/4R2P/5PP1/R4BK1 w - - 0 10

[d]6k1/pp4p1/2p4p/2n2p1b/2P5/4PpBP/P4PP1/3R2K1 b - - 0 29

[d]4k3/1p3pb1/p2Rp3/2p1n1p1/5pP1/2P4P/PP3P2/5BK1 b - - 0 33

[d]1n3k2/3p1ppp/p3p3/1p6/P3P3/1Pb3P1/4BP1P/3R2K1 b - - 0 25

[d]1n1k4/4ppbp/p2p2p1/1p6/4P3/1P3PPB/P6P/3R2K1 w - - 0 29

[d]6k1/p4p2/1p1p2p1/3P2Pp/2Pn4/2b4P/2Pp1PK1/1R1B4 b - - 0 36

[d]8/1p1kp3/p3p2p/2Pp2p1/1Pn2bP1/2P4P/2K2PB1/3R4 b - - 0 44

[d]8/1p1bk1p1/p3n2p/2P1pp2/PP2p2P/1K2B1P1/5P2/3R4 b - - 0 32

[d]5nk1/2p2pb1/p5p1/P2B3p/1pP5/3pP3/5PPP/R5K1 w - - 0 32

[d]1B4k1/1p3ppp/1p2p3/3pPb2/8/3n4/PP3PPP/5R1K w - - 0 23

[d]3bnk2/1pp2p2/4p1pp/p3P3/5P2/1P5B/P5PP/5R1K w - - 0 28

[d]5k2/pp3p2/4n1p1/2p3Pp/3p3P/3P2b1/PPP3B1/1K5R b - - 0 31

[d]8/p1n1ppkp/1p1b2p1/2p5/6P1/2P3P1/PP3PB1/3R1K2 b - - 0 29

[d]2k5/1pn2p2/2p1p1pb/4P2p/1p3P1P/1P1B2P1/1KP5/R7 w - - 0 34

[d]6k1/p1p2pp1/2np3p/8/2b2P2/P1PpP1PP/7R/2B1K3 w - - 0 27

[d]5b2/4k2p/1p1p1np1/p3pp2/P7/2P3PP/1PR2PK1/3B4 w - - 0 36

[d]8/1p2kpbp/2p3p1/p1n1p3/8/P1P5/1PB2PPP/3R1K2 w - - 0 26

[d]r5k1/1p2nppp/4p3/4P3/1P1r1P2/3P4/6PP/3Q1RK1 w - - 0 5

[d]5rk1/pb2b1pp/1pqpp3/2p2p2/2P1n3/1P3NPP/PBQ1PP1K/R4R2 w - - 0 17

[d]q3k2r/p3bppp/bp1ppn2/2p5/2P5/1P3NP1/P3PP1P/R1BQ1RK1 b k - 0 12

[Nordlandia]

[d]r1b2rk1/pp2ppbp/6p1/n7/4P3/2P1QN2/P4PPP/4KB1R w K - 0 14

[d]r5k1/1p3pbp/6p1/p1pq1b2/7P/P2P2P1/1P3PK1/1R1Q2NR w - - 0 18

[Nordlandia]

[pgn][Event "?"]
[Site "?"]
[Date "????.??.??"]
[Round "?"]
[White "New game"]
[Black "?"]
[Result "*"]
[PlyCount "32"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8.
Na3 b5 9. Bxf6 gxf6 10. Nd5 f5 11. Bxb5 axb5 12. Nxb5 Ra4 13. b4 Rxb4 14. Nbc7+
Kd7 15. O-O Qxc7 16. Nxc7 Kxc7 *

[/pgn]

[d]2b2b1r/2k2p1p/2np4/4pp2/1r2P3/8/P1P2PPP/R2Q1RK1 w - - 0 17

[d]r2r3k/4q2p/p1B1p2B/1pp1P2P/6p1/2P3N1/PP6/R5RK b - - 0 31

[d]r3r1k1/5pp1/pp3q1p/3p4/8/2N1B1P1/PP3PBP/R2R2K1 b - - 0 21

[d]3r1r2/N5kp/1p2q1p1/2p1p3/5p2/P4P2/1P2BBPP/1RR3K1 b - - 0 23

[d]r4rk1/1b3p1n/p3pbp1/1p6/5P2/8/PPP1Q1PP/1K1RR3 w - - 0 20

[d]r3r3/2q3kp/p4pp1/2Np4/1p1B4/3B1P2/PP3P1P/1K1R3R w - - 0 23

[d]2r3r1/1kb1Rp2/p4p2/1p3b1p/2nP3P/8/PP3PP1/2RQ1K2 b - - 0 31

[d]2rq4/pp3pkp/4r1p1/3p4/3P4/3R1N2/PP1B1KPP/R4B2 w - - 0 23