Yet another borderline position

[Nordlandia]

White's asset here is et cetera dark-square bloackade + opposite color bishops. Based on earlier test games on this imbalance, white can't stay put. The extra material usually prevail. Human expertise needed.

Would be interesting to see Houdini 6.03 with neutral contempt if not negative against SF Dev with sufficient time control on strong hardware.

[d]4r1k1/6p1/p6p/3p1p2/b2P3P/5N2/PP1B1PP1/6K1 w - - 0 24

[Nordlandia]

Example game ->

[pgn][Event "?"]
[Site "i7-5960X 4.5GHz"]
[Date "2018.04.19"]
[Round "?"]
[White "stockfish_18041820_x64_bmi2"]
[Black "komodo-11.3-64bit-BMI2"]
[Result "1/2-1/2"]
[FEN "4r1k1/6p1/p6p/3p1p2/b2P3P/5N2/PP1B1PP1/6K1 w - - 1 1"]
[GameEndTime "2018-04-19T09:01:25.014 Vest-Europa (sommertid)"]
[GameStartTime "2018-04-19T06:59:38.454 Vest-Europa (sommertid)"]
[PlyCount "138"]
[SetUp "1"]
[Termination "adjudication"]
[TimeControl "1800+30"]

1. Ne5 {-1.32/42 65s} Rc8 {+1.09/41 123s} 2. Bc3 {-1.33/47 143s}
Kh7 {+1.09/39 77s} 3. Kh2 {-1.47/47 62s} g5 {+1.21/38 74s} 4. a3 {-1.47/46 18s}
Kg7 {+1.29/41 61s} 5. hxg5 {-1.47/48 30s} hxg5 {+1.36/46 154s}
6. Kg1 {-1.47/52 53s} f4 {+1.41/47 60s} 7. g3 {-1.47/50 42s} Kf6 {+1.41/47 53s}
8. gxf4 {-1.62/53 88s} gxf4 {+1.58/49 51s} 9. f3 {-1.62/59 20s}
Kf5 {+1.58/48 55s} 10. Kf2 {-2.55/62 309s} Rh8 {+1.58/50 61s}
11. Kg2 {-2.63/55 80s} Bb5 {+1.58/47 47s} 12. Nf7 {-2.78/49 64s}
Rf8 {+1.58/47 59s} 13. Ne5 {-2.93/56 167s} Rc8 {+1.58/49 61s}
14. Kf2 {-2.94/50 17s} Rh8 {+1.58/41 47s} 15. Kg2 {-3.00/54 67s}
Re8 {+1.64/45 69s} 16. Kg1 {-3.01/52 48s} Ba4 {+1.64/45 47s}
17. Bd2 {-3.00/53 79s} Rh8 {+1.64/45 48s} 18. Nf7 {-3.01/50 35s}
Rf8 {+1.64/44 49s} 19. Nh6+ {-3.01/56 123s} Kg5 {+1.64/44 45s}
20. Ng4 {-3.08/60 58s} Rc8 {+1.63/46 49s} 21. Bc3 {-3.00/47 29s}
Kf5 {+1.63/47 66s} 22. Kf2 {-3.09/54 52s} Bd1 {+1.60/45 67s}
23. Nh6+ {-3.09/60 36s} Kg5 {+1.60/46 71s} 24. Nf7+ {-3.00/46 26s}
Kg6 {+1.61/48 59s} 25. Ne5+ {-3.09/58 76s} Kf5 {+1.61/44 46s}
26. Nd3 {-3.09/55 19s} Re8 {+1.62/45 44s} 27. Ne5 {-3.09/63 29s}
Rg8 {+1.62/43 46s} 28. Nc6 {-3.09/56 30s} Rg7 {+1.62/42 46s}
29. Ne5 {-3.09/60 29s} Rb7 {+1.62/45 44s} 30. Kf1 {-3.09/60 67s}
Ba4 {+1.62/46 64s} 31. Ng4 {-3.09/57 40s} Bd1 {+1.62/45 61s}
32. Ne5 {-3.09/64 27s} Rg7 {+1.62/46 67s} 33. Ba5 {-3.09/53 32s}
Bb3 {+1.50/45 69s} 34. Kf2 {-3.09/56 34s} Rh7 {+1.68/45 124s}
35. Kg2 {-3.09/61 38s} Rh8 {+1.68/44 47s} 36. Bc3 {-3.09/57 53s}
Rg8+ {+1.68/44 55s} 37. Kf1 {-3.09/64 38s} Rh8 {+1.68/45 44s}
38. Kg1 {-3.09/59 79s} Rg8+ {+1.68/44 45s} 39. Kf1 {-3.09/51 31s}
Bd1 {+1.68/43 45s} 40. Ba5 {-3.01/50 28s} Rb8 {+1.60/42 86s}
41. Bc3 {-3.01/55 54s} Re8 {+1.60/43 43s} 42. Kf2 {-3.01/53 53s}
Bb3 {+1.60/45 63s} 43. Nf7 {-2.94/55 190s} Re3 {+1.93/41 35s}
44. Nh6+ {-2.82/36 28s} Ke6 {+1.93/47 51s} 45. Ng4 {-1.83/58 24s}
Rd3 {+1.93/49 48s} 46. Ne5 {-1.83/61 30s} Rd1 {+1.87/49 50s}
47. Ng6 {-1.83/66 43s} Kf5 {+1.89/50 39s} 48. Nh4+ {-1.83/70 68s}
Kg5 {+1.89/51 58s} 49. Ng2 {-1.83/73 180s} Rb1 {+1.89/53 41s}
50. Ne1 {-1.83/71 20s} a5 {+1.90/50 31s} 51. Kg1 {-1.83/62 27s}
Bc4 {+1.90/49 43s} 52. Kg2 {-1.83/67 40s} a4 {+1.84/53 39s}
53. Kf2 {-1.83/69 23s} Kf5 {+1.85/55 48s} 54. Kg1 {-1.83/74 22s}
Bb3 {+1.85/53 39s} 55. Kf2 {-1.83/72 21s} Bc4 {+1.85/55 32s}
56. Kg1 {-1.83/77 25s} Bb5 {+1.85/56 36s} 57. Kf2 {-1.83/74 21s}
Rc1 {+1.85/54 41s} 58. Kg2 {-1.83/76 22s} Rd1 {+1.86/57 86s}
59. Kf2 {-1.83/74 27s} Ba6 {+1.86/56 53s} 60. Kg1 {-1.83/69 35s}
Bc4 {+1.86/55 33s} 61. Kg2 {-1.83/72 23s} Kg5 {+1.86/54 83s}
62. Kf2 {-1.83/69 27s} Rb1 {+1.86/53 23s} 63. Kg2 {-1.83/73 24s}
Rd1 {+1.86/54 31s} 64. Kf2 {-1.83/68 37s} Kg6 {+1.86/53 26s}
65. Kg2 {-1.83/70 24s} Bb5 {+1.86/53 53s} 66. Kf2 {-1.83/77 23s}
Kf5 {+1.86/53 25s} 67. Kg1 {-1.83/75 27s} Bc4 {+1.86/52 25s}
68. Kf2 {-1.83/73 24s} Kg5 {+1.86/54 26s} 69. Kg2 {-1.83/68 25s}
Rc1 {+1.08/46 66s, Draw by adjudication: user decision} 1/2-1/2

[/pgn]

[Nordlandia]

Stockfish evaluation guide: -0.7 | +0.70 is the threshold for comfy advantage. Question: can komodo held this position as white against sf dev?

[d]2rqr1k1/pp3ppp/4b3/3p4/3N4/1P2P3/PB2QPPP/R5K1 w - - 0 1

[peter]

Example game ->

[pgn][Event "?"]
[Site "i7-5960X 4.5GHz"]
[Date "2018.04.19"]
[Round "?"]
[White "stockfish_18041820_x64_bmi2"]
[Black "komodo-11.3-64bit-BMI2"]
[Result "1/2-1/2"]
[FEN "4r1k1/6p1/p6p/3p1p2/b2P3P/5N2/PP1B1PP1/6K1 w - - 1 1"]
[GameEndTime "2018-04-19T09:01:25.014 Vest-Europa (sommertid)"]
[GameStartTime "2018-04-19T06:59:38.454 Vest-Europa (sommertid)"]
[PlyCount "138"]
[SetUp "1"]
[Termination "adjudication"]
[TimeControl "1800+30"]

1. Ne5 {-1.32/42 65s} Rc8 {+1.09/41 123s} 2. Bc3 {-1.33/47 143s}
Kh7 {+1.09/39 77s} 3. Kh2 {-1.47/47 62s} g5 {+1.21/38 74s} 4. a3 {-1.47/46 18s}
Kg7 {+1.29/41 61s} 5. hxg5 {-1.47/48 30s} hxg5 {+1.36/46 154s}
6. Kg1 {-1.47/52 53s} f4 {+1.41/47 60s} 7. g3 {-1.47/50 42s} Kf6 {+1.41/47 53s}
8. gxf4 {-1.62/53 88s} gxf4 {+1.58/49 51s} 9. f3 {-1.62/59 20s}
Kf5 {+1.58/48 55s} 10. Kf2 {-2.55/62 309s} Rh8 {+1.58/50 61s}
11. Kg2 {-2.63/55 80s} Bb5 {+1.58/47 47s} 12. Nf7 {-2.78/49 64s}
Rf8 {+1.58/47 59s} 13. Ne5 {-2.93/56 167s} Rc8 {+1.58/49 61s}
14. Kf2 {-2.94/50 17s} Rh8 {+1.58/41 47s} 15. Kg2 {-3.00/54 67s}
Re8 {+1.64/45 69s} 16. Kg1 {-3.01/52 48s} Ba4 {+1.64/45 47s}
17. Bd2 {-3.00/53 79s} Rh8 {+1.64/45 48s} 18. Nf7 {-3.01/50 35s}
Rf8 {+1.64/44 49s} 19. Nh6+ {-3.01/56 123s} Kg5 {+1.64/44 45s}
20. Ng4 {-3.08/60 58s} Rc8 {+1.63/46 49s} 21. Bc3 {-3.00/47 29s}
Kf5 {+1.63/47 66s} 22. Kf2 {-3.09/54 52s} Bd1 {+1.60/45 67s}
23. Nh6+ {-3.09/60 36s} Kg5 {+1.60/46 71s} 24. Nf7+ {-3.00/46 26s}
Kg6 {+1.61/48 59s} 25. Ne5+ {-3.09/58 76s} Kf5 {+1.61/44 46s}
26. Nd3 {-3.09/55 19s} Re8 {+1.62/45 44s} 27. Ne5 {-3.09/63 29s}
Rg8 {+1.62/43 46s} 28. Nc6 {-3.09/56 30s} Rg7 {+1.62/42 46s}
29. Ne5 {-3.09/60 29s} Rb7 {+1.62/45 44s} 30. Kf1 {-3.09/60 67s}
Ba4 {+1.62/46 64s} 31. Ng4 {-3.09/57 40s} Bd1 {+1.62/45 61s}
32. Ne5 {-3.09/64 27s} Rg7 {+1.62/46 67s} 33. Ba5 {-3.09/53 32s}
Bb3 {+1.50/45 69s} 34. Kf2 {-3.09/56 34s} Rh7 {+1.68/45 124s}
35. Kg2 {-3.09/61 38s} Rh8 {+1.68/44 47s} 36. Bc3 {-3.09/57 53s}
Rg8+ {+1.68/44 55s} 37. Kf1 {-3.09/64 38s} Rh8 {+1.68/45 44s}
38. Kg1 {-3.09/59 79s} Rg8+ {+1.68/44 45s} 39. Kf1 {-3.09/51 31s}
Bd1 {+1.68/43 45s} 40. Ba5 {-3.01/50 28s} Rb8 {+1.60/42 86s}
41. Bc3 {-3.01/55 54s} Re8 {+1.60/43 43s} 42. Kf2 {-3.01/53 53s}
Bb3 {+1.60/45 63s} 43. Nf7 {-2.94/55 190s} Re3 {+1.93/41 35s}
44. Nh6+ {-2.82/36 28s} Ke6 {+1.93/47 51s} 45. Ng4 {-1.83/58 24s}
Rd3 {+1.93/49 48s} 46. Ne5 {-1.83/61 30s} Rd1 {+1.87/49 50s}
47. Ng6 {-1.83/66 43s} Kf5 {+1.89/50 39s} 48. Nh4+ {-1.83/70 68s}
Kg5 {+1.89/51 58s} 49. Ng2 {-1.83/73 180s} Rb1 {+1.89/53 41s}
50. Ne1 {-1.83/71 20s} a5 {+1.90/50 31s} 51. Kg1 {-1.83/62 27s}
Bc4 {+1.90/49 43s} 52. Kg2 {-1.83/67 40s} a4 {+1.84/53 39s}
53. Kf2 {-1.83/69 23s} Kf5 {+1.85/55 48s} 54. Kg1 {-1.83/74 22s}
Bb3 {+1.85/53 39s} 55. Kf2 {-1.83/72 21s} Bc4 {+1.85/55 32s}
56. Kg1 {-1.83/77 25s} Bb5 {+1.85/56 36s} 57. Kf2 {-1.83/74 21s}
Rc1 {+1.85/54 41s} 58. Kg2 {-1.83/76 22s} Rd1 {+1.86/57 86s}
59. Kf2 {-1.83/74 27s} Ba6 {+1.86/56 53s} 60. Kg1 {-1.83/69 35s}
Bc4 {+1.86/55 33s} 61. Kg2 {-1.83/72 23s} Kg5 {+1.86/54 83s}
62. Kf2 {-1.83/69 27s} Rb1 {+1.86/53 23s} 63. Kg2 {-1.83/73 24s}
Rd1 {+1.86/54 31s} 64. Kf2 {-1.83/68 37s} Kg6 {+1.86/53 26s}
65. Kg2 {-1.83/70 24s} Bb5 {+1.86/53 53s} 66. Kf2 {-1.83/77 23s}
Kf5 {+1.86/53 25s} 67. Kg1 {-1.83/75 27s} Bc4 {+1.86/52 25s}
68. Kf2 {-1.83/73 24s} Kg5 {+1.86/54 26s} 69. Kg2 {-1.83/68 25s}
Rc1 {+1.08/46 66s, Draw by adjudication: user decision} 1/2-1/2

[/pgn]

Komodo could have done better for Black, e.g. with 9...Bb5 instead of ...Kf5.

Here's CorChess with Black against Brainfish at 60'+30", 12 threads and 8G hash each, ponder on, full Syzgys:

[pgn]
[Event "SCHWARZERBLITZ, Lang 60m+30s"]
[Site "SchwarzerBlitz"]
[Date "2018.04.21"]
[Round "1"]
[White "Brainfish 180418 64 POPCNT"]
[Black "CorChess 2.2 070418 64 POPCNT"]
[Result "0-1"]
[Annotator "-2.92;-2.27"]
[SetUp "1"]
[FEN "4r1k1/6p1/p6p/3p1p2/b2P3P/5N2/PP1B1PP1/6K1 w - - 0 1"]
[PlyCount "88"]
[TimeControl "3600+30"]

1. Ne5 Rc8 2. Bc3 Kh7 3. Kh2 g5 4. a3 Kg7 5. hxg5 hxg5 6. Kg1 f4 7. g3 Kf6 8.
gxf4 gxf4 9. f3 Bb5 10. Kf2 {[%eval -292,50] [%emt 0:03:04]} a5 {[%eval -227,
50] [%emt 0:01:33]} 11. Kg1 {[%eval -333,51] [%emt 0:02:36]} a4 {[%eval -253,
57] [%emt 0:00:00]} 12. Kg2 {[%eval -356,53] [%emt 0:03:00]} Rg8+ {[%eval -438,
50] [%emt 0:02:24] (Tc7)} 13. Ng4+ {[%eval -457,56] [%emt 0:05:52] (Kf2)} Kf5 {
[%eval -438,52] [%emt 0:01:08]} 14. Kg1 {[%eval -514,57] [%emt 0:08:59] (Kf2)}
Re8 {[%eval -440,57] [%emt 0:01:14] (Tg7)} 15. Ne5 {[%eval -532,52] [%emt 0:01:
53]} Rh8 {[%eval -440,59] [%emt 0:00:00] (Tc8)} 16. Kg2 {[%eval -526,52] [%emt
0:01:34]} Bc4 {[%eval -440,60] [%emt 0:00:00] (Tc8)} 17. Bb4 {[%eval -540,61]
[%emt 0:01:19] (Sg4)} Ba6 {[%eval -440,55] [%emt 0:01:08] (Th7)} 18. Nc6 {
[%eval -514,60] [%emt 0:01:24] (Ld2)} Re8 {[%eval -487,50] [%emt 0:01:10] (Lb5)
} 19. Ne5 {[%eval -545,63] [%emt 0:10:52]} Rc8 {[%eval -538,57] [%emt 0:00:00]}
20. Bc3 {[%eval -575,60] [%emt 0:09:07]} Rc7 {[%eval -590,51] [%emt 0:00:00]}
21. Kf2 {[%eval -568,49] [%emt 0:00:56]} Kg5 {[%eval -652,50] [%emt 0:03:34]}
22. Kg2 {[%eval -594,54] [%emt 0:00:53] (Kg1)} Rg7 {[%eval -652,42] [%emt 0:02:
12]} 23. Ng4 {[%eval -609,50] [%emt 0:00:00] (Kg1)} Kh4 {[%eval -720,46] [%emt
0:05:47] (Lc8)} 24. Be1+ {[%eval -613,46] [%emt 0:01:59]} Kh5 {[%eval -720,51]
[%emt 0:02:06]} 25. Kf2 {[%eval -635,48] [%emt 0:00:00]} Rc7 {[%eval -720,42]
[%emt 0:01:27] (Te7)} 26. Bc3 {[%eval -636,46] [%emt 0:04:00]} Kh4 {[%eval
-785,42] [%emt 0:03:09]} 27. Ke1 {[%eval -667,47] [%emt 0:00:52] (Se5)} Kg3 {
[%eval -1005,37] [%emt 0:01:32] (Th7)} 28. Ne5 {[%eval -782,40] [%emt 0:01:50]}
Rh7 {[%eval -1174,37] [%emt 0:00:00]} 29. Kd2 {[%eval -923,43] [%emt 0:03:47]
(Kd1)} Rh2+ {[%eval -1473,30] [%emt 0:01:29]} 30. Kc1 {[%eval -943,38] [%emt 0:
00:34]} Rh1+ {[%eval -1502,32] [%emt 0:00:40]} 31. Kd2 {[%eval -1085,40] [%emt
0:03:23]} Rh2+ {[%eval -1858,35] [%emt 0:09:02] (Tb1)} 32. Kc1 {[%eval -1247,
33] [%emt 0:02:10]} Rh1+ {[%eval -1898,34] [%emt 0:00:02]} 33. Kd2 {[%eval
-1375,36] [%emt 0:02:33]} Rb1 {[%eval -1927,37] [%emt 0:01:22]} 34. Kc2 {
[%eval -1240,34] [%emt 0:01:32]} Rf1 {[%eval -2011,34] [%emt 0:01:06]} 35. Bb4
{[%eval -1342,34] [%emt 0:01:16] (Kd2)} Be2 {[%eval -2216,30] [%emt 0:01:09]}
36. b3 {[%eval -1574,33] [%emt 0:00:48] (Ld6)} axb3+ {[%eval -5594,26] [%emt 0:
01:15]} 37. Kxb3 {[%eval -1992,31] [%emt 0:00:32]} Bxf3 {[%eval -13261,34]
[%emt 0:00:26]} 38. Bd6 {[%eval -13262,41] [%emt 0:00:52]} Be4 {[%eval -13264,
41] [%emt 0:00:24]} 39. Kb4 {[%eval -13263,47] [%emt 0:00:07] (Sd7)} f3 {
[%eval -13267,43] [%emt 0:01:05]} 40. Kc5 {[%eval -13266,56] [%emt 0:00:00]
(a4)} f2 {[%eval -13269,45] [%emt 0:01:07]} 41. Nd3+ {[%eval -13268,59] [%emt
0:00:46]} Kf3 {[%eval -13270,46] [%emt 0:00:42]} 42. Nxf2 {[%eval -13272,60]
[%emt 0:01:13]} Rxf2 {[%eval -13270,44] [%emt 0:01:22]} 43. Bb8 {[%eval -32661,
42] [%emt 0:00:07] (Lf8)} Ra2 {[%eval -32715,42] [%emt 0:03:42]} 44. Kd6 {
[%eval -32713,60] [%emt 0:00:00]} Rxa3 {[%eval -32717,43] [%emt 0:01:13]} 0-1
[/pgn]

Evals in quote.

[Nordlandia]

Game observation: after shuffling for 60 moves time is almost depleted (living on increment) as time trouble start, sub-optimal play occur and that allow stockfish with more time on the clock to find more accurate moves, exploiting K's poor time usage.

[pgn][Event "?"]
[Site "i7-5960X 4.5GHz"]
[Date "2018.04.21"]
[Round "?"]
[White "komodo-11.3-64bit-BMI2"]
[Black "stockfish_18041820_x64_bmi2"]
[Result "0-1"]
[FEN "2rqr1k1/pp3ppp/4b3/3p4/3N4/1P2P3/PB2QPPP/R5K1 w - - 0 1"]
[GameDuration "05:41:28"]
[GameEndTime "2018-04-21T17:24:20.956 Vest-Europa (sommertid)"]
[GameStartTime "2018-04-21T11:42:52.417 Vest-Europa (sommertid)"]
[PlyCount "209"]
[SetUp "1"]
[Termination "adjudication"]
[TimeControl "7200+30"]

1. h3 {-1.25/41 137s} Qg5 {+1.40/49 164s} 2. Qf3 {-1.26/47 589s}
f6 {+1.40/51 83s} 3. Re1 {-1.08/43 145s} a6 {+1.40/48 73s}
4. Ba3 {-1.08/45 238s} Qe5 {+1.40/54 96s} 5. Qe2 {-1.08/47 230s}
Bf7 {+1.40/56 183s} 6. Bb4 {-1.08/47 134s} Bg6 {+1.40/56 71s}
7. Qf1 {-1.08/47 117s} Qc7 {+1.40/52 72s} 8. Rd1 {-1.09/44 129s}
Qb6 {+1.40/52 73s} 9. Qe1 {-1.09/46 152s} Be4 {+1.40/54 71s}
10. Qd2 {-1.09/48 131s} Qc7 {+1.40/52 72s} 11. a4 {-1.09/46 128s}
Qf7 {+1.40/49 83s} 12. Kh2 {-1.10/44 280s} Bg6 {+1.40/53 73s}
13. Kg1 {-1.10/46 122s} Be4 {+1.40/55 89s} 14. Qe1 {-1.10/46 143s}
Qc7 {+1.40/54 96s} 15. Qe2 {-1.11/48 153s} Qe5 {+1.40/54 90s}
16. Ba5 {-1.11/46 151s} Qg5 {+1.40/52 82s} 17. Qf1 {-1.11/47 127s}
Bf5 {+1.40/53 85s} 18. Kh1 {-1.11/45 166s} Bc2 {+1.40/55 104s}
19. Rd2 {-1.11/45 114s} Qg6 {+1.40/54 85s} 20. Bb4 {-1.11/45 119s}
Bf5 {+1.40/55 201s} 21. Kh2 {-1.10/44 177s} Be4 {+1.40/53 63s}
22. Rd1 {-1.10/45 136s} Bc2 {+1.40/52 122s} 23. Rd2 {-1.11/44 108s}
Bf5 {+1.40/53 131s} 24. Qe1 {-1.11/43 117s} Be4 {+1.63/51 361s}
25. f3 {-1.11/41 195s} Bf5 {+1.63/52 80s} 26. Rd1 {-1.09/41 110s}
Be6 {+1.55/52 892s} 27. Bd6 {-1.10/43 133s} Qf7 {+1.63/51 1230s}
28. Qb4 {-1.14/43 147s} Qd7 {+1.56/46 102s} 29. a5 {-1.15/43 142s}
Bf7 {+1.40/51 163s} 30. Re1 {-1.15/47 216s} Red8 {+1.55/51 670s}
31. Bf4 {-1.17/40 264s} Bg6 {+1.40/52 100s} 32. Rh1 {-1.18/37 156s}
Kf7 {+1.40/49 115s} 33. Rd1 {-1.18/40 120s} Re8 {+1.40/48 94s}
34. Ra1 {-1.17/39 152s} Kg8 {+1.40/47 81s} 35. Re1 {-1.17/41 105s}
h5 {+1.40/49 120s} 36. h4 {-1.12/47 121s} Kh8 {+1.40/50 90s}
37. Kg1 {-1.12/45 232s} Red8 {+1.40/52 134s} 38. Rd1 {-1.12/41 92s}
Bf7 {+1.40/51 55s} 39. Re1 {-1.12/43 131s} Kh7 {+1.40/50 141s}
40. Kh2 {-1.12/38 97s} Re8 {+1.55/53 732s} 41. Bd6 {-1.13/38 140s}
Red8 {+1.67/47 93s} 42. Bf4 {-1.13/42 126s} Bg6 {+1.67/48 52s}
43. Kg3 {-1.12/40 213s} Bd3 {+1.67/48 40s} 44. Rd1 {-1.12/42 71s}
Bb5 {+1.67/46 90s} 45. Kh2 {-1.12/37 107s} Kg8 {+1.67/49 46s}
46. Qa3 {-1.17/39 97s} g6 {+1.67/49 38s} 47. Qb4 {-1.15/39 75s}
Kf7 {+1.67/51 40s} 48. Rd2 {-1.15/39 74s} Qe8 {+1.59/48 419s}
49. Qa3 {-1.10/38 102s} Rc3 {+1.59/39 18s} 50. Qb4 {-1.15/37 61s}
Rc1 {+1.66/40 29s} 51. Qa3 {-1.05/38 180s} Rcc8 {+1.66/45 31s}
52. Qb4 {-1.00/40 60s} Qd7 {+1.66/44 98s} 53. Rd1 {-1.18/37 140s}
Qe7 {+1.66/45 54s} 54. Qd2 {-1.21/38 59s} Bd7 {+1.66/40 44s}
55. Bg3 {-1.21/38 48s} Bb5 {+1.66/43 23s} 56. Qf2 {-1.21/37 59s}
Rc3 {+1.66/41 35s} 57. Bf4 {-1.09/37 60s} Bd7 {+1.65/43 73s}
58. Qd2 {-1.09/37 66s} Rcc8 {+1.60/39 31s} 59. Bg3 {-1.21/39 85s}
Qc5 {+1.60/41 95s} 60. Ne2 {-1.21/39 54s} Bf5 {+1.51/41 28s}
61. Re1 {-1.21/37 46s} Re8 {+1.56/42 37s} 62. Nf4 {-1.21/38 54s}
Be6 {+1.51/42 37s} 63. Ne2 {-1.21/40 92s} Kg7 {+1.51/43 76s}
64. Bf4 {-1.21/38 202s} Bf5 {+1.51/40 14s} 65. Rc1 {-1.21/39 45s}
Qe7 {+1.66/41 109s} 66. Rd1 {-1.21/39 33s} Be6 {+1.50/39 59s}
67. Nd4 {-1.21/38 40s} Bd7 {+1.65/39 9.0s} 68. Ne2 {-1.16/33 65s}
g5 {+1.75/30 13s} 69. hxg5 {-1.30/30 44s} fxg5 {+1.80/33 22s}
70. Qb2+ {-1.60/33 158s} Kg8 {+2.32/29 20s} 71. Bg3 {-1.59/33 32s}
h4 {+2.39/33 65s} 72. Bf2 {-1.61/33 69s} Qe6 {+2.47/30 12s}
73. Rd4 {-1.48/28 47s} h3 {+2.97/31 12s} 74. g4 {-1.27/31 42s}
Qg6 {+3.40/33 13s} 75. Rd2 {-2.39/33 48s} Bxg4 {+3.77/36 16s}
76. fxg4 {-2.44/34 30s} Qe4 {+4.03/38 17s} 77. Kxh3 {-2.46/35 32s}
Qh1+ {+4.23/40 24s} 78. Kg3 {-2.46/5 0s} Rf8 {+4.30/42 24s}
79. Ng1 {-2.67/35 58s} Qh4+ {+4.32/43 19s} 80. Kg2 {-2.67/5 0s}
Qxg4+ {+4.33/46 52s} 81. Bg3 {-3.17/38 96s} Qe4+ {+4.41/44 27s}
82. Kh2 {-3.22/38 31s} Rf7 {+4.41/49 35s} 83. Nh3 {-2.38/33 28s}
Rh7 {+4.51/42 21s} 84. Qf6 {-2.51/36 43s} g4 {+5.05/41 119s}
85. Qg5+ {-2.70/35 24s} Rg7 {+5.12/33 13s} 86. Qxd5+ {-2.77/36 22s}
Qxd5 {+5.13/34 17s} 87. Rxd5 {-2.89/38 66s} gxh3 {+5.20/33 25s}
88. Kxh3 {-2.97/36 31s} Rc3 {+5.30/33 16s} 89. Rd8+ {-3.03/33 19s}
Kh7 {+5.50/37 58s} 90. Re8 {-3.06/35 41s} Rxb3 {+5.60/36 22s}
91. Bd6 {-3.11/33 30s} Rg5 {+5.75/35 12s} 92. Bf4 {-3.18/34 30s}
Rxa5 {+6.02/30 20s} 93. Kg4 {-3.42/29 30s} Kg6 {+6.28/31 34s}
94. e4 {-3.68/28 30s} Kf7 {+6.46/29 18s} 95. Rh8 {-3.75/29 22s}
Ra2 {+6.76/30 20s} 96. Rh7+ {-3.72/28 27s} Ke6 {+6.85/32 16s}
97. Rh6+ {-3.76/29 23s} Kd7 {+7.13/30 21s} 98. Rh7+ {-4.44/27 48s}
Kc6 {+7.54/32 38s} 99. Rc7+ {-4.73/29 30s} Kb6 {+7.65/30 10s}
100. Rd7 {-4.95/30 24s} a5 {+8.01/30 15s} 101. Be5 {-5.72/29 36s}
a4 {+9.15/26 20s} 102. Rd6+ {-6.89/27 30s} Ka5 {+10.59/28 59s}
103. Bh8 {-7.98/26 30s} Rg2+ {+14.37/29 70s} 104. Kf5 {-12.13/26 30s}
a3 {+15.97/27 13s} 105. Kf4 {-250.00/26 30s, Black wins by adjudication} 0-1

[/pgn]Lichess analysis - https://lichess.org/pvKYVRnW

[peter]

Another one Brainfish- CorChess with same conditions as before, starting from 2.Ng6 instead of Bc3.

[pgn]
[Event "SCHWARZERBLITZ, Lang 60m+30s"]
[Site "SchwarzerBlitz"]
[Date "2018.04.21"]
[Round "1"]
[White "Brainfish 180418 64 POPCNT"]
[Black "CorChess 2.2 070418 64 POPCNT"]
[Result "0-1"]
[Annotator "-1.53;-1.62"]
[SetUp "1"]
[FEN "4r1k1/6p1/p6p/3p1p2/b2P3P/5N2/PP1B1PP1/6K1 w - - 0 1"]
[PlyCount "126"]
[TimeControl "3600+30"]

{Intel(R) Xeon(R) CPU X5670 @ 2.93GHz 2933 MHz W=61.0 plies; 14.
365kN/s; 1.752.808.469 TBAs B=48.4 plies; 13.235kN/s; 1.732.887.169 TBAs} 1.
Ne5 Rc8 2. Ng6 Kf7 {[%eval -162,45] [%emt 0:05:05]} 3. Ne5+ {[%eval -153,46]
[%emt 0:02:53]} Kf6 {[%eval -162,50] [%emt 0:00:00]} 4. Bc3 {[%eval -153,48]
[%emt 0:00:42]} g5 {[%eval -162,49] [%emt 0:05:06]} 5. hxg5+ {[%eval -156,54]
[%emt 0:00:00]} hxg5 {[%eval -162,52] [%emt 0:10:17]} 6. a3 {[%eval -171,68]
[%emt 0:00:00]} f4 {[%eval -162,54] [%emt 0:00:57] (Lb5)} 7. g4 {[%eval -171,
61] [%emt 0:02:14] (f3)} fxg3 {[%eval -177,48] [%emt 0:00:36] (Lb5)} 8. f3 {
[%eval -163,51] [%emt 0:02:00]} Rh8 {[%eval -198,49] [%emt 0:05:43]} 9. Kg2 {
[%eval -171,67] [%emt 0:00:00]} Rh2+ {[%eval -221,41] [%emt 0:00:35]} 10. Kxg3
{[%eval -195,53] [%emt 0:01:20]} Re2 {[%eval -230,47] [%emt 0:00:31]} 11. Nd3 {
[%eval -236,62] [%emt 0:04:27] (Sg4+)} Kf5 {[%eval -187,49] [%emt 0:03:18]
(Lb5)} 12. Nb4 {[%eval -235,56] [%emt 0:01:25]} Bb3 {[%eval -222,46] [%emt 0:
00:00]} 13. Nc6 {[%eval -228,52] [%emt 0:01:24] (Sd3)} Bd1 {[%eval -232,51]
[%emt 0:00:30] (La4)} 14. Ne5 {[%eval -228,56] [%emt 0:00:54]} Ba4 {[%eval
-233,50] [%emt 0:00:17]} 15. Ng4 {[%eval -236,64] [%emt 0:01:05]} Bd7 {[%eval
-246,49] [%emt 0:00:00] (Lb5)} 16. Nf2 {[%eval -236,59] [%emt 0:04:23] (Se5)}
Be8 {[%eval -259,44] [%emt 0:01:04]} 17. Nd3 {[%eval -251,61] [%emt 0:00:04]
(Sg4)} a5 {[%eval -259,49] [%emt 0:00:56]} 18. Bxa5 {[%eval -251,61] [%emt 0:
00:00]} Bb5 {[%eval -259,52] [%emt 0:01:18]} 19. Ne5 {[%eval -251,61] [%emt 0:
00:45]} Rxb2 {[%eval -259,55] [%emt 0:00:54]} 20. Ng4 {[%eval -251,64] [%emt 0:
01:09]} Rb3 {[%eval -259,57] [%emt 0:00:06]} 21. Kf2 {[%eval -251,63] [%emt 0:
01:16]} Rxa3 {[%eval -259,59] [%emt 0:00:00]} 22. Bc7 {[%eval -251,65] [%emt 0:
01:01] (Se3+)} Ra2+ {[%eval -260,55] [%emt 0:02:00] (Le8)} 23. Kg3 {[%eval
-251,63] [%emt 0:01:25]} Re2 {[%eval -260,57] [%emt 0:00:00] (Ke6)} 24. Be5 {
[%eval -251,66] [%emt 0:01:04]} Be8 {[%eval -288,53] [%emt 0:00:00] (Ke6)} 25.
Nh6+ {[%eval -251,70] [%emt 0:05:39] (Lh8)} Ke6 {[%eval -320,55] [%emt 0:00:49]
} 26. Ng4 {[%eval -327,70] [%emt 0:11:27]} Kf5 {[%eval -352,57] [%emt 0:00:00]
(Lh5)} 27. Nf6 {[%eval -327,50] [%emt 0:00:50] (Sh6+)} Bf7 {[%eval -402,51]
[%emt 0:03:50]} 28. Ng4 {[%eval -342,62] [%emt 0:00:00]} Be6 {[%eval -402,49]
[%emt 0:01:05]} 29. Bd6 {[%eval -349,58] [%emt 0:00:06] (Lc7)} Rd2 {[%eval
-402,43] [%emt 0:01:44]} 30. Ne3+ {[%eval -398,54] [%emt 0:06:11]} Kg6 {[%eval
-494,50] [%emt 0:00:00]} 31. Be5 {[%eval -413,53] [%emt 0:01:57]} Re2 {[%eval
-494,50] [%emt 0:00:00]} 32. Nd1 {[%eval -513,55] [%emt 0:09:13] (Sf1)} Kf5 {
[%eval -662,35] [%emt 0:00:40]} 33. Bd6 {[%eval -979,38] [%emt 0:05:34]} Bf7 {
[%eval -1198,40] [%emt 0:00:00]} 34. Bc5 {[%eval -1157,37] [%emt 0:03:57] (Lf8)
} Re1 {[%eval -2409,36] [%emt 0:01:24] (Lh5)} 35. Nb2 {[%eval -513,34] [%emt 0:
00:13]} Bh5 {[%eval -13216,33] [%emt 0:00:40] (Tc1)} 36. Kf2 {[%eval -1801,36]
[%emt 0:02:23]} Rb1 {[%eval -13257,50] [%emt 0:00:00]} 37. Na4 {[%eval -13257,
36] [%emt 0:01:18] (Sd3)} Rb3 {[%eval -13263,43] [%emt 0:01:05]} 38. Bf8 {
[%eval -13264,47] [%emt 0:00:00]} Bxf3 {[%eval -13267,48] [%emt 0:08:25]
(Txf3+)} 39. Nc5 {[%eval -13265,42] [%emt 0:00:22]} Ra3 {[%eval -13268,42]
[%emt 0:00:45]} 40. Nb7 {[%eval -13268,50] [%emt 0:00:00] (Ld6)} Rc3 {[%eval
-13271,39] [%emt 0:01:24]} 41. Nd6+ {[%eval -13271,52] [%emt 0:00:00] (Sc5)}
Kg6 {[%eval -13273,42] [%emt 0:00:43]} 42. Nb5 {[%eval -32679,49] [%emt 0:00:
50] (Sb7)} Rb3 {[%eval -32705,38] [%emt 0:01:05]} 43. Nc7 {[%eval -32705,51]
[%emt 0:00:00]} Be4 {[%eval -32719,46] [%emt 0:01:35]} 44. Bd6 {[%eval -32713,
58] [%emt 0:00:00]} Rf3+ {[%eval -32721,51] [%emt 0:08:55]} 45. Kg1 {[%eval
-32723,79] [%emt 0:00:00]} g4 {[%eval -32723,49] [%emt 0:02:36]} 46. Ne6 {
[%eval -32725,82] [%emt 0:00:00]} g3 {[%eval -32725,50] [%emt 0:01:18]} 47.
Nf4+ {[%eval -32727,84] [%emt 0:00:00]} Kg5 {[%eval -32727,51] [%emt 0:01:17]}
48. Ne2 {[%eval -32729,87] [%emt 0:00:00]} g2 {[%eval -32729,50] [%emt 0:01:50]
} 49. Kxg2 {[%eval -32731,85] [%emt 0:00:00]} Rf6+ {[%eval -32731,47] [%emt 0:
00:25]} 50. Kg1 {[%eval -32735,87] [%emt 0:00:21]} Rxd6 {[%eval -32733,49]
[%emt 0:00:18]} 51. Kf2 {[%eval -32737,87] [%emt 0:00:16]} Bd3 {[%eval -32735,
50] [%emt 0:00:50]} 52. Nc3 {[%eval -32739,90] [%emt 0:00:04] (Sg1)} Kf4 {
[%eval -32739,50] [%emt 0:01:11]} 53. Ke1 {[%eval -32741,91] [%emt 0:00:36]}
Ke3 {[%eval -32741,52] [%emt 0:00:00]} 54. Nd1+ {[%eval -32743,96] [%emt 0:00:
42]} Kxd4 {[%eval -32743,57] [%emt 0:00:00]} 55. Nb2 {[%eval -27998,0] [%emt 0:
00:00] (Kf2)} Ke4 {[%eval -27999,0] [%emt 0:00:00]} 56. Nxd3 {[%eval -27999,0]
[%emt 0:00:00]} Kxd3 {[%eval -27999,1] [%emt 0:00:00]} 57. Kf2 {[%eval -27999,
0] [%emt 0:00:00]} d4 {[%eval -27998,1] [%emt 0:00:00]} 58. Kf1 {[%eval -27998,
0] [%emt 0:00:00]} Ke3 {[%eval -27999,0] [%emt 0:00:00]} 59. Kg2 {[%eval
-27999,0] [%emt 0:00:00]} d3 {[%eval -27999,1] [%emt 0:00:00]} 60. Kg3 {[%eval
-27999,0] [%emt 0:00:00]} d2 {[%eval -27999,1] [%emt 0:00:00]} 61. Kg4 {[%eval
-27999,0] [%emt 0:00:00]} d1=Q+ {[%eval -27998,0] [%emt 0:00:00]} 62. Kg3 {
[%eval -27998,0] [%emt 0:00:00]} Qg1+ {[%eval -27999,0] [%emt 0:00:00]} 63. Kh3
{[%eval -27999,0] [%emt 0:00:00]} Rh6# {[%eval -27999,0] [%emt 0:00:00]} 0-1
[/pgn]

[Nordlandia]

Peter Martan: please test this FEN - [d]r5k1/pb3p2/1p2p1p1/3n3p/3P3P/P7/1P1B1PP1/R3R1K1 b - - 0

Black has compensation in terms of opposite bishops and eternal knight on d5. Also the wB is hindered by own pawns. Moreover it's worth mention that the rook help black more than white (major piece redundancy) per Kaufman

[peter]

Sorry, Jon, except the opposite coloured Bishops I don't see much in common between the two positions.

Could we stick to the first one till we agree about it?

[Nordlandia]

Sorry, Jon, except the opposite coloured Bishops I don't see much in common between the two positions.

Could we stick to the first one till we agree about it?

Yes. I did deviate again.

K with C= -5 managed to drew H6 in the first diagram.

[peter]

Had a drawn game against CorChess with Black once now too.

K with C= -5 managed to drew H6 in the first diagram.

[pgn] [Event "SCHWARZERBLITZ, Lang 60m+30s"] [Site "SchwarzerBlitz"] [Date "2018.04.22"] [Round "1"] [White "Cfish 210418 64 POP N"] [Black "CorChess 2.2 070418 64 POPCNT"] [Result "1/2-1/2"] [Annotator "-1.45;-1.60"] [SetUp "1"] [FEN "4r1k1/6p1/p6p/3p1p2/b2P3P/5N2/PP1B1PP1/6K1 w - - 0 1"] [PlyCount "102"] [TimeControl "3600+30"] 1. Ne5 Rc8 2. Bc3 Kh7 3. a3 g5 {[%eval -160,48] [%emt 0:03:05]} 4. hxg5 { [%eval -145,49] [%emt 0:03:06] (g3)} hxg5 {[%eval -160,50] [%emt 0:01:40]} 5. g3 {[%eval -145,48] [%emt 0:00:00] (g4)} Kg7 {[%eval -160,45] [%emt 0:00:54] (Lb5)} 6. f3 {[%eval -160,51] [%emt 0:02:04]} Kf6 {[%eval -160,45] [%emt 0:00: 00] (Lb5)} 7. g4 {[%eval -160,51] [%emt 0:00:46] (Kf2)} f4 {[%eval -180,47] [%emt 0:00:48]} 8. Kf1 {[%eval -160,52] [%emt 0:00:06]} Rh8 {[%eval -180,50] [%emt 0:00:54] (Te8)} 9. Kg2 {[%eval -160,58] [%emt 0:01:55] (Kg1)} Ra8 { [%eval -180,52] [%emt 0:00:53] (Ld1)} 10. Kg1 {[%eval -160,56] [%emt 0:01:33] (La5)} Bb5 {[%eval -180,54] [%emt 0:01:07] (Th8)} 11. Bb4 {[%eval -160,60] [%emt 0:00:54] (Kg2)} a5 {[%eval -180,55] [%emt 0:01:22] (Tc8)} 12. Bc3 { [%eval -160,63] [%emt 0:00:59]} a4 {[%eval -180,59] [%emt 0:00:00]} 13. Kh2 { [%eval -160,62] [%emt 0:01:05] (Kf2)} Re8 {[%eval -180,58] [%emt 0:01:23] (Th8+)} 14. Kg2 {[%eval -160,71] [%emt 0:00:56]} Rh8 {[%eval -180,59] [%emt 0: 00:05] (Ke6)} 15. Bb4 {[%eval -160,68] [%emt 0:00:57] (Ld2)} Rh6 {[%eval -180, 57] [%emt 0:01:00] (Ke6)} 16. Be1 {[%eval -160,64] [%emt 0:01:18] (Lc5)} Ke6 { [%eval -180,58] [%emt 0:01:06] (Le2)} 17. Bd2 {[%eval -160,66] [%emt 0:01:14] (Lb4)} Rh8 {[%eval -180,59] [%emt 0:01:14] (La6)} 18. Bb4 {[%eval -160,69] [%emt 0:01:10] (Le1)} Be2 {[%eval -180,57] [%emt 0:01:17]} 19. Bc3 {[%eval -160,64] [%emt 0:00:00] (Ld2)} Bd1 {[%eval -180,61] [%emt 0:01:06] (Kf6)} 20. Bd2 {[%eval -160,68] [%emt 0:01:27] (Lb4)} Kf6 {[%eval -180,55] [%emt 0:01:44] (Te8)} 21. Nd7+ {[%eval -160,66] [%emt 0:01:11]} Ke6 {[%eval -180,57] [%emt 0: 00:14] (Ke7)} 22. Nc5+ {[%eval -160,61] [%emt 0:01:08] (Se5)} Ke7 {[%eval -180, 54] [%emt 0:01:10] (Kf7)} 23. Nd3 {[%eval -160,63] [%emt 0:01:27] (Lb4)} Rb8 { [%eval -180,54] [%emt 0:01:42] (Kf7)} 24. Bb4+ {[%eval -160,67] [%emt 0:01:58]} Kf6 {[%eval -180,62] [%emt 0:00:00]} 25. Nc5 {[%eval -160,66] [%emt 0:01:21] (Se5)} Rc8 {[%eval -180,55] [%emt 0:02:20] (Ta8)} 26. Bc3 {[%eval -160,70] [%emt 0:01:33]} Rh8 {[%eval -180,60] [%emt 0:00:00] (Te8)} 27. Bb4 {[%eval -160,65] [%emt 0:01:29] (Sd7+)} Rh7 {[%eval -180,57] [%emt 0:01:22] (Tc8)} 28. Nd3 {[%eval -160,70] [%emt 0:01:27]} Be2 {[%eval -180,59] [%emt 0:00:08] (Lb3)} 29. Ne5 {[%eval -160,67] [%emt 0:01:23]} Bb5 {[%eval -180,62] [%emt 0:00:15] (Th8)} 30. Bd2 {[%eval -160,68] [%emt 0:01:39] (Lc3)} Ke6 {[%eval -180,59] [%emt 0:01:41] (Te7)} 31. Bb4 {[%eval -160,69] [%emt 0:02:53] (La5)} Ba6 { [%eval -180,62] [%emt 0:03:43] (Lc4)} 32. Be1 {[%eval -160,69] [%emt 0:01:18] (Lc3)} Rg7 {[%eval -180,59] [%emt 0:01:46] (Le2)} 33. Bd2 {[%eval -160,73] [%emt 0:01:40]} Rc7 {[%eval -180,62] [%emt 0:00:00] (Tb7)} 34. Bc3 {[%eval -160,73] [%emt 0:01:28]} Rh7 {[%eval -180,62] [%emt 0:00:05]} 35. Bb4 {[%eval -160,62] [%emt 0:01:18] (Le1)} Rb7 {[%eval -180,56] [%emt 0:01:42] (Th8)} 36. Kf2 {[%eval -160,61] [%emt 0:01:19] (Lc3)} Rc7 {[%eval -180,61] [%emt 0:02:18] (Th7)} 37. Bc3 {[%eval -160,70] [%emt 0:02:05]} Rh7 {[%eval -180,58] [%emt 0: 00:00] (Ta7)} 38. Kg2 {[%eval -160,56] [%emt 0:01:22]} Bb5 {[%eval -180,57] [%emt 0:00:03] (Th6)} 39. Bd2 {[%eval -160,56] [%emt 0:01:25] (Lb4)} Rc7 { [%eval -180,55] [%emt 0:01:27] (Th8)} 40. Bc3 {[%eval -160,59] [%emt 0:01:33]} Rh7 {[%eval -180,53] [%emt 0:00:00] (Tc8)} 41. Bd2 {[%eval -160,59] [%emt 0:01: 12] (Lb4)} Re7 {[%eval -180,57] [%emt 0:01:48] (Kf6)} 42. Bc3 {[%eval -160,71] [%emt 0:01:08] (Lb4)} Kf6 {[%eval -180,45] [%emt 0:01:39] (Tc7)} 43. Bd2 { [%eval -160,68] [%emt 0:05:07] (Kf2)} Rh7 {[%eval -180,43] [%emt 0:01:30]} 44. Bc3 {[%eval -160,70] [%emt 0:00:00]} Rg7 {[%eval -180,41] [%emt 0:02:10] (Le8)} 45. Kf2 {[%eval -160,67] [%emt 0:03:11] (Lb4)} Ra7 {[%eval -180,54] [%emt 0:01: 27] (Th7)} 46. Kg1 {[%eval -160,51] [%emt 0:01:14] (Kg2)} Ke6 {[%eval -180,54] [%emt 0:04:17] (Le8)} 47. Kg2 {[%eval -152,45] [%emt 0:01:42] (Kf2)} Re7 { [%eval -180,50] [%emt 0:04:28] (Tg7)} 48. Be1 {[%eval -152,40] [%emt 0:00:45] (Kf2)} Rc7 {[%eval -180,31] [%emt 0:01:12] (Kf6)} 49. Bc3 {[%eval -152,44] [%emt 0:00:46]} Kf6 {[%eval -180,32] [%emt 0:00:51] (Le8)} 50. Kg1 {[%eval -160,53] [%emt 0:00:51] (Kf2)} Rh7 {[%eval -180,52] [%emt 0:00:49]} 51. Kg2 { [%eval -160,52] [%emt 0:00:19]} Rh8 {[%eval -180,47] [%emt 0:00:55] (Tc7) adjud. Remis angenommen} 1/2-1/2 [/pgn]

Yet I'm still not sure, if the fortress couldn't be denied still with best play from Black.