Why does Rubichess -2.1 play two losing moves starting with Nxd4 ?

[Chessqueen]

A game that I was observing between Rubichess 2.1 Vs Komodo 12.1.1 (the free version) surprised that hell out of me and shocked me when I saw this losing move, and I immediately saw that it was bad before Komodo 12. 1.1 responded by taking it with the Knigh and then followed by blundering its Queen on move 8...QxN ?? the TC was set to 10'+3" [d]r1bqkbnr/pp3ppp/2n1p3/8/3PN3/5N2/PP3PPP/R1BQKB1R b KQkq - 0 7

[pgn][Event "Computer chess game"]
[Site "MININT-UB2PIMJ"]
[Date "2021.07.30"]
[Round "?"]
[White "Komodo-12.31.1-64bit"]
[Black "RubiChess-2.1-SSSE3"]
[Result "1-0"]
[BlackElo "2000"]
[ECO "B22"]
[Opening "Sicilian"]
[Time "21:14:59"]
[Variation "Alapin, 2...Nc6 3.Nf3"]
[WhiteElo "2000"]
[TimeControl "600+3"]
[Termination "normal"]
[PlyCount "21"]
[WhiteType "program"]
[BlackType "program"]

1. e4 c5 2. c3 Nc6 3. Nf3 {(Ng1-f3 d7-d5) +0.57/22 3} e6 {(e7-e6 d2-d4
d7-d5) -0.11/29 32} 4. d4 cxd4 {(c5xd4 c3xd4 d7-d5 e4-e5 Ng8-e7 Bf1-d3
Nc6-b4 Bd3-e2 Ne7-f5 a2-a3 Nb4-c6 Nb1-c3 Bc8-d7 O-O h7-h6 g2-g4 Nf5-h4
Nf3xh4 Qd8xh4 f2-f4 Bf8-e7 f4-f5) -0.19/22 3} 5. cxd4 {(c3xd4 d7-d5 Nb1-c3)
+0.51/26 12} d5 {(d7-d5 Nb1-c3 d5xe4) -0.08/28 14} 6. Nc3 {(Nb1-c3 d5xe4
Nc3xe4 Bf8-b4+ Ne4-c3 Bb4-d6 Bf1-d3 h7-h6 O-O Ng8-f6 Bc1-d2 O-O Ra1-c1
e6-e5 d4-d5 Nc6-b4 Bd3-b1 Nb4xd5 Nc3xd5 Nf6xd5 Bd2xh6 Bc8-e6 Bh6-g5 Qd8-b6
Bb1-e4 Nd5-f4 Bg5xf4 e5xf4 Nf3-g5 f4-f3 Ng5xe6 f7xe6 Be4xf3 Bd6-e5 Qd1-e2)
+0.54/27 14} dxe4 {(d5xe4 Nc3xe4 Bf8-b4+ Ne4-c3 Ng8-f6 a2-a3 Bb4-d6 Bf1-d3
O-O O-O h7-h6 Bc1-e3 b7-b6 Nc3-e4 Nf6xe4 Bd3xe4 Bc8-b7 b2-b4 Ra8-b8 Rf1-e1
Nc6-e7 Be4xb7 Rb8xb7 Kg1-h1 Qd8-b8) +0.08/22 11} 7. Nxe4 {(Nc3xe4 Bf8-b4+
Ne4-c3 h7-h6 Bf1-d3 Ng8-f6 O-O O-O Bc1-f4 Bb4-d6 Bf4-e5 b7-b6 Nc3-b5 Bd6-e7
Be5-c7 Qd8-d7 Nf3-e5 Nc6xe5 Bc7xe5 Bc8-b7 Qd1-e2 Bb7-c6 Ra1-c1 Ra8-c8 f2-f3
Nf6-d5 a2-a3 Rf8-d8) +0.43/25 12} Nxd4 {-0.01/21 12} 8. Nxd4 {(Nf3xd4
Bf8-e7 Nd4-b5 Bc8-d7 Nb5-d6+ Ke8-f8 Qd1-h5 Be7xd6 Ne4xd6 Qd8-e7 Qh5-c5
b7-b6 Qc5-a3 Ra8-d8 Bc1-d2 Ng8-f6 Ra1-c1 Nf6-d5 Bf1-a6 Bd7-e8 Nd6xe8 Qe7xa3
b2xa3 Kf8xe8 O-O Ke8-e7 Rf1-e1 f7-f6 Ba6-b7 Ke7-f7 Re1-d1 Nd5-e7 Rc1-c7)
+3.27/25 11} Qxd4 {-4.20/20 17} 9. Qxd4 {(Qd1xd4 Bc8-d7 Ne4-d6+ Bf8xd6
Qd4xg7 O-O-O Qg7xh8 Ng8-e7 Qh8xh7 Kc8-b8 Bc1-d2 f7-f6 Ra1-c1 Ne7-d5 h2-h4
Bd6-e5 b2-b3 Be5-d6 Qh7-g7 Bd6-a3 h4-h5 e6-e5 h5-h6 Ba3xc1 Bd2xc1 Bd7-f5
Bc1-e3 Nd5xe3 f2xe3 Rd8-c8 h6-h7 Bf5xh7 Rh1xh7) +13.29/27 6} e5 {(e6-e5
Qd4xe5+) -11.65/20 16} 10. Bb5+ {(Bf1-b5+ Ke8-e7 Qd4-d6+) +M2/99 0} Bd7
{(Bc8-d7 Qd4xd7+) -M1/25 26} 11. Qxd7# {(Qd4xd7+) +M1/99 0} 1-0[/pgn]

[Guenther]

A game that I was observing between Rubichess 2.1 Vs Komodo 12.1.1 (the free version) surprised that hell out of me and shocked me

The answer is easy - it's cheesequeen time again...a tad longer answer would be that cheesequeen never has learnt how to set up anything correctly on his/her computer, while those cheesequeen quirks are documented dozens, if not hundreds of times already in this forum.

So the question remains, why does it still 'surprise the hell out of him/her'? Is it amnesia or dementia?

Anyhow this forum is obsolete with such posters.

[Chessqueen]

A game that I was observing between Rubichess 2.1 Vs Komodo 12.1.1 (the free version) surprised that hell out of me and shocked me

The answer is easy - it's cheesequeen time again...a tad longer answer would be that cheesequeen never has learnt how to set up anything correctly on his/her computer, while those cheesequeen quirks are documented dozens, if not hundreds of times already in this forum.

So the question remains, why does it still 'surprise the hell out of him/her'? Is it amnesia or dementia?

Anyhow this forum is obsolete with such posters.

It does NOT has anything to do with setting thing correctly, all the other programs all that it require is to set up the TC and let them play, so why are you blaming me for RubiChess-2.1 bug I do NOT know what you get from Belittling & Condescending me whenever you have a chance, instead of saying can you please check to see it this and that is set correctly. You believe that you are so smart but in reality you are NOT !

[RubiChess]

... RubiChess-2.1 bug ...

Two possible solutions
1. Open issue at https://github.com/Matthies/RubiChess/issues with full uci log including all the setoption commands and all "go... info..." sequences of all moves leading to the bug. A pgn file as you post here is NOT sufficient. I repeat: It is NOT sufficient.
2. Stop using shitty buggy RubiChess engine

[Chessqueen]

... RubiChess-2.1 bug ...

Two possible solutions
1. Open issue at https://github.com/Matthies/RubiChess/issues with full uci log including all the setoption commands and all "go... info..." sequences of all moves leading to the bug. A pgn file as you post here is NOT sufficient. I repeat: It is NOT sufficient.
2. Stop using shitty buggy RubiChess engine

Are you saying that RubiChess-2.1.1 SSSE is a shitty buggy engine, well where can I find the RybiChess 2.2 BMI exe

So this happened before ?
TCEC Swiss-1: Rubi doesn't see sac 14. Bxh7+ and the following kingdanger.

[pgn][Event "TCEC Season 20 - Swiss 1"]
[Site "https://tcec-chess.com"]
[Date "2021.03.21"]
[Round "1.35"]
[White "Pedone 3.0"]
[Black "RubiChess 2.0.1"]
[Result "1-0"]
[Annotator "archive"]

e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Qb6 5. Nb3 Nf6 6. Nc3 e6 7. Bd3 Be7 8. Be3 Qc7 9. f4 O-O 10. g4 d5 11. e5 Nd7 12. Nb5 Qd8 13. g5 Nb4 14. Bxh7+ Kxh7 15. Qh5+ Kg8 16. O-O Re8 17. Rf3 g6 18. Qh4 Bf8 19. Rh3 Bg7 20. Qh7+ Kf8 21. N3d4 Nc6 22. Nd6 Qe7 23. Qh8+ Bxh8 24. Rxh8+ Kg7 25. Rxe8 Nb6 26. Rxe7 Nxe7 27. b3 Bd7 28. Nxb7 Rb8 29. Nd6 Kg8 30. Nf3 Kg7 31. h4 Nbc8 32. Kf2 a5 33. Bc5 Nc6 34. a3 N8e7 35. Rh1 Ra8 36. Nh2 Nf5 37. Ng4 Nce7 38. Nf6 Bc6 39. h5 gxh5 40. Rxh5 Kg6 41. Rh7 Nxd6 42. exd6 Nf5 43. Rh3 Rd8 44. d7 a4 45. Bb6 Rxd7 46. Nxd7 Bxd7 47. Bc7 d4 48. b4 Bb5 49. Be5 Bd7 50. Rh8 Bc6 51. Rg8+ Kh5 52. Rd8 Kg4 53. Rf8 Kh5 54. Rxf7 Be8 55. Rf8 Bc6 56. Rc8 Be4 57. b5 Kg6 58. b6 Nh4 59. Rc7 Nf5 60. b7 Bxb7 61. Rxb7 Kh5 62. Rf7 Kg6 63. Rf6+ Kh7 64. g6+ Kg7 65. Rxf5+ Kxg6 66. Rf8 d3 67. cxd3 Kh7 68. Kf3 Kh6 69. f5 exf5 70. Kf4 Kg6 71. Bb2 Kh5 72. Rf6 Kh4 73. Rh6#[/pgn]

[RubiChess]

Are you saying that RubiChess-2.1.1 SSSE is a shitty buggy engine

No, I'm talking about RubiChess engine in general.

Where can I find the RybiChess 2.2 BMI exe

No idea. Never heard of it.

[RubiChess]

TCEC Swiss-1: Rubi doesn't see sac 14. Bxh7+ and the following kingdanger.
[deleted copy of pgn from a completely unrelated game/bug]

I see, you have found my issue tracker. Well done! But no need to copy long existing issues here. People are free to visit the tracker themself.
Next exercise for you: Try to open a new issue. But remember: Add the full uci log, a plain pgn is NOT sufficient.

So this happened before ?

Indeed. Rubi plays bad moves. Moves that lead to lost games. Moves that should be avoided.
So I repeat my advise: Better leave it and choose some better engine for your games.

[Chessqueen]

I believe that I am not using the optimal RubiChess for my machine ==> Binary not optimal for this machine. Unused cpu features:popcnt avx2 bmi2. Please use correct binary for best performance. So where do I find the avx2 or bmi2 version ?


2021-07-31 08:01:00.188 Arena 3.5.1
2021-07-31 08:01:00.188
2021-07-31 08:01:00.706**----------New game---2021-07-31 08:01:00,706 Sat -------------
2021-07-31 08:01:00.864**screen: 1920x1080
2021-07-31 08:01:00.864**Monitors: 1
2021-07-31 08:01:00.864**Monitor0: 1920x1080
2021-07-31 08:01:00.864**FormMonitor: 0
2021-07-31 08:01:00.864**DesktopRect: 0/0 .. 1920/1080
2021-07-31 08:01:00.898**Loading 1
2021-07-31 08:01:38.062*2*--------------------Starting engine 2 Komodo-9.0.2-64bit--------------------
2021-07-31 08:01:38.065*2*Configured Engine 2 Type: UCI
2021-07-31 08:01:38.065**Loading book: C:\Program Files (x86)\Arena\Books\Perfect_2010.abk
2021-07-31 08:01:38.065*2*Engine 2 dir: C:\Program Files (x86)\Arena\Engines\Komodo
2021-07-31 08:01:38.065*2*Engine 2 commandline: "C:\Program Files (x86)\Arena\Engines\Komodo\komodo-9.0.2-64bit.exe"
2021-07-31 08:01:38.237*2*Child Process Prio Adj: PID 5020 conhost.exe
2021-07-31 08:01:38.261*2*Engine 2 ProcessID: 8156
2021-07-31 08:01:38.261*2*Engine 2 Prio:32 ThreadPrio:0
2021-07-31 08:01:38.292-->2:uci
2021-07-31 08:01:38.323<--2:Komodo 9.02 64-bit (C) 2011 Don Dailey, Larry Kaufman and Mark Lefler
2021-07-31 08:01:38.323<--2:using hardware POPCNT
2021-07-31 08:01:38.323<--2:info string Licensed to Komodochess.com
2021-07-31 08:01:38.370<--2:id name Komodo 9.0.2 64-bit
2021-07-31 08:01:38.370<--2:id author Don Dailey, Larry Kaufman, Mark Lefler
2021-07-31 08:01:38.370<--2:option name Threads type spin default 1 min 1 max 64
2021-07-31 08:01:38.370<--2:option name Ponder type check default true
2021-07-31 08:01:38.370<--2:option name Hash type spin default 192 min 1 max 65536
2021-07-31 08:01:38.370<--2:option name Clear Hash type button
2021-07-31 08:01:38.370<--2:option name Table Memory type spin default 128 min 1 max 1024
2021-07-31 08:01:38.370<--2:option name MultiPV type spin default 1 min 1 max 218
2021-07-31 08:01:38.370<--2:option name OwnBook type check default true
2021-07-31 08:01:38.370<--2:option name Book Moves type spin default 1000 min 0 max 1000
2021-07-31 08:01:38.370<--2:option name Book File type string default komodo.bin
2021-07-31 08:01:38.370<--2:option name Best Book Line type check default false
2021-07-31 08:01:38.370<--2:option name Log File type string default <empty>
2021-07-31 08:01:38.370<--2:option name Hash File Name type string default <empty>
2021-07-31 08:01:38.370<--2:option name Save Hash to File type button
2021-07-31 08:01:38.370<--2:option name Load Hash from File type button
2021-07-31 08:01:38.370<--2:option name UCI_Chess960 type check default false
2021-07-31 08:01:38.370<--2:option name UCI_AnalyseMode type check default false
2021-07-31 08:01:38.370<--2:option name Use LMR type check default true
2021-07-31 08:01:38.370<--2:option name Null Move Pruning type check default true
2021-07-31 08:01:38.370<--2:option name Minimal Reporting type spin default 0 min 0 max 200
2021-07-31 08:01:38.370<--2:option name Overhead ms type spin default 40 min 0 max 10000
2021-07-31 08:01:38.370<--2:option name Time Usage type spin default 0 min -9 max 9
2021-07-31 08:01:38.370<--2:option name Use Syzygy type check default true
2021-07-31 08:01:38.370<--2:option name SyzygyPath type string default <empty>
2021-07-31 08:01:38.370<--2:option name Syzygy Probe Depth type spin default 2 min 0 max 99
2021-07-31 08:01:38.370<--2:option name Syzygy Probe Limit type spin default 6 min 0 max 6
2021-07-31 08:01:38.370<--2:option name Syzygy 50 Move Rule type check default true
2021-07-31 08:01:38.370<--2:option name Smart Syzygy type check default false
2021-07-31 08:01:38.370<--2:option name King Safety type spin default 70 min 0 max 200
2021-07-31 08:01:38.370<--2:option name Selectivity type spin default 130 min 10 max 250
2021-07-31 08:01:38.370<--2:option name Reduction type spin default 0 min -1000 max 120
2021-07-31 08:01:38.370<--2:option name Dynamism type spin default 140 min 0 max 400
2021-07-31 08:01:38.370<--2:option name Contempt type spin default 16 min -500 max 500
2021-07-31 08:01:38.370<--2:option name White Contempt type check default false
2021-07-31 08:01:38.370<--2:option name MCTS Hash type spin default 320 min 320 max 32768
2021-07-31 08:01:38.370<--2:option name Use MCTS type check default false
2021-07-31 08:01:38.370<--2:option name MCTS Explore type spin default 5 min 1 max 100
2021-07-31 08:01:38.370<--2:option name Progress Threshold type spin default 30 min 10 max 99
2021-07-31 08:01:38.370<--2:option name Variety type spin default 0 min 0 max 20
2021-07-31 08:01:38.370<--2:option name Skill type spin default 20 min 0 max 20
2021-07-31 08:01:38.370<--2:uciok
2021-07-31 08:01:38.370-->2:setoption name Hash value 1024
2021-07-31 08:01:38.370-->2:setoption name Threads value 4
2021-07-31 08:01:38.370-->2:setoption name King Safety value 60
2021-07-31 08:01:38.370-->2:setoption name SyzygyPath value
2021-07-31 08:01:38.370-->2:setoption name Hash File Name value
2021-07-31 08:01:38.370-->2:setoption name Log File value
2021-07-31 08:01:38.370-->2:setoption name Book File value
2021-07-31 08:01:38.370*2*Child Process Prio Adj: PID 5020 conhost.exe
2021-07-31 08:01:38.370-->2:isready
2021-07-31 08:01:38.557<--2:info string Hash table size is now 1024 meg
2021-07-31 08:01:38.636<--2:info string Threads now set to 4
2021-07-31 08:01:38.636<--2:info string Probing tablebases up to 0-man.
2021-07-31 08:01:38.636<--2:info string Book file is
2021-07-31 08:01:38.649<--2:readyok
2021-07-31 08:01:44.486*1*-------------------Starting engine 1 RubiChess-2.1-SSSE3--------------------
2021-07-31 08:01:44.501*1*Configured Engine 1 Type: UCI
2021-07-31 08:01:44.501**Loading book: C:\Program Files (x86)\Arena\Books\Perfect_2010.abk
2021-07-31 08:01:44.501*1*Engine 1 dir: C:\Program Files (x86)\Arena\Engines\RubiChess
2021-07-31 08:01:44.501*1*Engine 1 commandline: "C:\Program Files (x86)\Arena\Engines\RubiChess\RubiChess-2.1-SSSE3.exe"
2021-07-31 08:01:44.611*1*Child Process Prio Adj: PID 8376 conhost.exe
2021-07-31 08:01:44.611*1*Engine 1 ProcessID: 5720
2021-07-31 08:01:44.611*1*Engine 1 Prio:32 ThreadPrio:0
2021-07-31 08:01:44.642-->1:uci
2021-07-31 08:01:44.845<--1:info string Warning! Binary not optimal for this machine. Unused cpu features:popcnt avx2 bmi2. Please use correct binary for best performance.
2021-07-31 08:01:44.845<--1:info string Allocation of memory: Large pages not available.
2021-07-31 08:01:44.845<--1:info string Loading net nn-cf8c56d366-20210326.nnue ... successful. Using NNUE evaluation. (1)
2021-07-31 08:01:44.845<--1:id name RubiChess 2.1 NN-cf8c5 (ssse3)
2021-07-31 08:01:44.845<--1:id author Andreas Matthies
2021-07-31 08:01:44.845<--1:option name Allow Large Pages type check default true
2021-07-31 08:01:44.845<--1:option name Clear Hash type button
2021-07-31 08:01:44.845<--1:option name Hash type spin default 16 min 1 max 1048576
2021-07-31 08:01:44.845<--1:option name Move Overhead type spin default 50 min 0 max 5000
2021-07-31 08:01:44.845<--1:option name MultiPV type spin default 1 min 1 max 64
2021-07-31 08:01:44.845<--1:option name NNUENetpath type string default <Default>
2021-07-31 08:01:44.845<--1:option name Ponder type check default false
2021-07-31 08:01:44.845<--1:option name Syzygy50MoveRule type check default true
2021-07-31 08:01:44.845<--1:option name SyzygyPath type string default <empty>
2021-07-31 08:01:44.845<--1:option name SyzygyProbeLimit type spin default 7 min 0 max 7
2021-07-31 08:01:44.845<--1:option name Threads type spin default 1 min 1 max 256
2021-07-31 08:01:44.845<--1:option name UCI_Chess960 type check default false
2021-07-31 08:01:44.845<--1:option name Use_NNUE type check default true
2021-07-31 08:01:44.845<--1:uciok
2021-07-31 08:01:44.845-->1:setoption name Hash value 1024
2021-07-31 08:01:44.845-->1:setoption name MultiPV value 4
2021-07-31 08:01:44.845-->1:setoption name SyzygyProbeLimit value 6
2021-07-31 08:01:44.845-->1:setoption name Threads value 4
2021-07-31 08:01:44.845*1*Child Process Prio Adj: PID 8376 conhost.exe
2021-07-31 08:01:44.845-->1:isready
2021-07-31 08:01:45.033<--1:readyok
2021-07-31 08:01:45.202*2*Start calc, move no: 14
2021-07-31 08:01:45.206-->2:ucinewgame
2021-07-31 08:01:45.206-->2:isready
2021-07-31 08:01:45.206<--2:readyok
2021-07-31 08:01:45.208-->2:position startpos moves e2e4 c7c5 c2c3 b8c6 g1f3 e7e6 d2d4 c5d4 c3d4 d7d5 b1c3 d5e4 c3e4 c6d4
2021-07-31 08:01:45.208-->2:go wtime 580000 btime 550000 winc 3000 binc 3000
2021-07-31 08:01:45.208<--2:info depth 1 time 1 nodes 0 nps 0 hashfull 0
2021-07-31 08:01:45.209<--2:info depth 1 time 1 nodes 83 score cp 396 nps 83000 hashfull 0 tbhits 0 pv f3d4 f8b4
2021-07-31 08:01:45.211<--2:info depth 2 time 1 nodes 659 nps 659000 hashfull 0
2021-07-31 08:01:45.212<--2:info depth 2 time 1 nodes 1199 score cp 388 nps 1199000 hashfull 0 tbhits 0 pv f3d4 e6e5
2021-07-31 08:01:45.215<--2:info depth 3 time 1 nodes 1403 nps 1403000 hashfull 0
2021-07-31 08:01:45.215<--2:info depth 3 time 1 nodes 2045 score cp 334 nps 2045000 hashfull 0 tbhits 0 pv f3d4 d8d7 e4c3
2021-07-31 08:01:45.217<--2:info depth 4 time 1 nodes 2251 nps 2251000 hashfull 0
2021-07-31 08:01:45.217<--2:info depth 4 time 1 nodes 3080 score cp 266 nps 3080000 hashfull 0 tbhits 0 pv f3d4 e6e5 f1b5 c8d7 b5d7 d8d7
2021-07-31 08:01:45.217<--2:info depth 4 time 1 nodes 3782 score cp 275 nps 3782000 hashfull 0 tbhits 0 pv d1d4 d8d4 f3d4 e6e5
2021-07-31 08:01:45.217<--2:info depth 5 time 1 nodes 4303 nps 4303000 hashfull 0
2021-07-31 08:01:45.217<--2:info depth 5 time 1 nodes 5051 score cp 275 nps 5051000 hashfull 0 tbhits 0 pv d1d4 d8d4 f3d4 e6e5 f1b5 c8d7
2021-07-31 08:01:45.230<--2:info depth 6 time 1 nodes 5546 nps 5546000 hashfull 0
2021-07-31 08:01:45.230<--2:info depth 6 time 1 nodes 6511 score cp 277 nps 3287221 hashfull 0 tbhits 0 pv d1d4 d8d4 f3d4 c8d7 c1f4 f8b4 e1e2
2021-07-31 08:01:45.233<--2:info depth 7 time 1 nodes 6752 nps 3408895 hashfull 0
2021-07-31 08:01:45.233<--2:info depth 7 time 1 nodes 7702 score cp 283 lowerbound nps 3888524 hashfull 0 tbhits 0 pv d1d4 d8d4 f3d4
2021-07-31 08:01:45.236<--2:info depth 7 time 1 nodes 9032 score cp 291 nps 4560004 hashfull 0 tbhits 0 pv d1d4 d8d4 f3d4 c8d7 c1d2 a8c8 f1b5
2021-07-31 08:01:45.238<--2:info depth 8 time 1 nodes 9565 nps 4829100 hashfull 0
2021-07-31 08:01:45.238<--2:info depth 8 time 2 nodes 11686 score cp 297 lowerbound nps 3920292 hashfull 0 tbhits 0 pv d1d4 d8d4 f3d4
2021-07-31 08:01:45.240<--2:info depth 8 time 3 nodes 13098 score cp 300 nps 3290376 hashfull 0 tbhits 0 pv d1d4 d8d4 f3d4 c8d7 d4b5 f8b4 c1d2 b4d2 e4d2 e8f8
2021-07-31 08:01:45.242<--2:info depth 9 time 4 nodes 16299 nps 3272234 hashfull 0
2021-07-31 08:01:45.242<--2:info depth 9 time 4 nodes 17837 score cp 308 lowerbound nps 3581007 hashfull 0 tbhits 0 pv d1d4 d8d4 f3d4
2021-07-31 08:01:45.244<--2:info depth 9 time 6 nodes 22182 score cp 304 nps 3178984 hashfull 0 tbhits 0 pv d1d4 d8d4 f3d4 a7a6 c1f4 f8b4 e1e2 g8f6 e4f6 g7f6 a1d1
2021-07-31 08:01:45.244<--2:info depth 10 time 6 nodes 23101 nps 3310689 hashfull 0
2021-07-31 08:01:45.244<--2:info depth 10 time 9 nodes 32166 score cp 298 upperbound nps 3555865 hashfull 0 tbhits 0 pv d1d4 d8d4
2021-07-31 08:01:45.244<--2:info depth 10 time 9 nodes 35843 score cp 289 upperbound nps 3962347 hashfull 0 tbhits 0 pv d1d4 d8d4
2021-07-31 08:01:45.244<--2:info depth 10 time 21 nodes 69995 score cp 295 lowerbound nps 3229609 hashfull 0 tbhits 0 pv d1d4 d8d4 f3d4
2021-07-31 08:01:45.244<--2:info depth 11 time 21 nodes 70107 nps 3234777 hashfull 0
2021-07-31 08:01:45.244<--2:info depth 11 time 35 nodes 130089 score cp 289 upperbound nps 3647607 hashfull 0 tbhits 0 pv d1d4 d8d4
2021-07-31 08:01:45.244<--2:info depth 11 time 36 nodes 131934 score cp 280 upperbound nps 3593081 hashfull 0 tbhits 0 pv d1d4 d8d4
2021-07-31 08:01:45.244<--2:info depth 11 time 36 nodes 136198 score cp 288 lowerbound nps 3709206 hashfull 0 tbhits 0 pv d1d4 g8f6 d4d8
2021-07-31 08:01:45.244<--2:info depth 12 time 36 nodes 136332 nps 3712856 hashfull 0
2021-07-31 08:01:45.244<--2:info depth 12 time 36 nodes 158365 score cp 282 upperbound nps 4312901 hashfull 0 tbhits 0 pv d1d4 d8d4
2021-07-31 08:01:45.244<--2:info depth 12 time 36 nodes 189491 score cp 273 upperbound nps 5160584 hashfull 0 tbhits 0 pv d1d4 d8d4
2021-07-31 08:01:45.260<--2:info depth 12 time 36 nodes 197283 score cp 273 nps 5372791 hashfull 0 tbhits 0 pv d1d4 d8d4 f3d4 a7a6 c1f4 f8b4 e4c3 g8e7 a1d1 e7g6 f4d2 c8d7 d4f3 b4e7 d2c1
2021-07-31 08:01:45.260<--2:info depth 13 time 36 nodes 197553 nps 5380144 hashfull 0
2021-07-31 08:01:45.276<--2:info depth 13 time 67 nodes 313810 score cp 267 upperbound nps 4616903 hashfull 1 tbhits 0 pv d1d4 d8d4
2021-07-31 08:01:45.276<--2:info depth 13 time 67 nodes 359668 score cp 267 nps 5291585 hashfull 1 tbhits 0 pv d1d4 d8d4 f3d4 a7a6 c1f4 f8b4 e4c3 c8d7 d4c2 b4c3 b2c3 f7f6 f4e3 g8e7 a1b1 d7a4 c2b4 a8c8 b4d3 c8c3 b1b7
2021-07-31 08:01:45.276<--2:info depth 14 time 67 nodes 360081 nps 5297661 hashfull 1
2021-07-31 08:01:45.291<--2:info depth 14 time 83 nodes 411246 score cp 273 lowerbound nps 4919557 hashfull 2 tbhits 0 pv d1d4 d8d4 f3d4
2021-07-31 08:01:45.291<--2:info depth 14 time 83 nodes 417459 score cp 282 lowerbound nps 4993881 hashfull 2 tbhits 0 pv d1d4 c8d7 c1f4
2021-07-31 08:01:45.291<--2:info depth 14 time 83 nodes 436293 score cp 294 lowerbound nps 5219184 hashfull 2 tbhits 0 pv d1d4 d8d4 f3d4
2021-07-31 08:01:45.307<--2:info depth 14 time 83 nodes 474599 score cp 310 lowerbound nps 5677422 hashfull 2 tbhits 0 pv d1d4 d8d4 f3d4
2021-07-31 08:01:45.307<--2:info depth 14 time 99 nodes 541224 score cp 299 upperbound nps 5454891 hashfull 2 tbhits 0 pv d1d4 d8d4
2021-07-31 08:01:45.307<--2:info depth 14 time 99 nodes 558059 score cp 281 nps 5624568 hashfull 3 tbhits 0 pv d1d4 d8d4 f3d4 a7a6 c1f4 f8b4 f4d2 b4e7 a1c1 g8f6 f1d3 f6e4 d3e4 f7f5 e4c2 e7f6
2021-07-31 08:01:45.323<--2:info depth 15 time 99 nodes 558990 nps 5633951 hashfull 3
2021-07-31 08:01:45.354<--2:info depth 15 time 146 nodes 802890 score cp 275 upperbound nps 5495870 hashfull 4 tbhits 0 pv d1d4 d8d4
2021-07-31 08:01:45.369<--2:info depth 15 time 161 nodes 903479 score cp 279 lowerbound nps 5586911 hashfull 5 tbhits 0 pv d1d4 d8d4 f3d4
2021-07-31 08:01:45.369<--2:info depth 16 time 161 nodes 903771 nps 5588717 hashfull 5
2021-07-31 08:01:45.422<--2:info depth 16 time 212 nodes 1154698 score cp 285 lowerbound nps 5430931 hashfull 6 tbhits 0 pv d1d4 d8d4 f3d4
2021-07-31 08:01:45.530<--2:info depth 16 time 322 nodes 1893360 score cp 293 lowerbound nps 5872735 hashfull 11 tbhits 0 pv d1d4 d8d4 f3d4
2021-07-31 08:01:45.546<--2:info depth 16 time 338 nodes 1968535 score cp 288 upperbound nps 5823707 hashfull 12 tbhits 0 pv d1d4 d8d4
2021-07-31 08:01:45.608<--2:info depth 16 time 400 nodes 2297549 score cp 273 upperbound nps 5736440 hashfull 14 tbhits 0 pv d1d4 d8d4
2021-07-31 08:01:45.702<--2:info depth 16 time 494 nodes 2895725 score cp 295 lowerbound nps 5858696 hashfull 18 tbhits 0 pv f3d4 a7a6 c1e3
2021-07-31 08:01:45.702<--2:info depth 17 time 494 nodes 2895980 nps 5859212 hashfull 18
2021-07-31 08:01:45.952<--2:info depth 17 time 744 nodes 4510124 score cp 289 upperbound nps 6059994 hashfull 30 tbhits 0 pv f3d4 a7a6
2021-07-31 08:01:45.983<--2:info depth 17 time 775 nodes 4715289 score cp 293 lowerbound nps 6080387 hashfull 31 tbhits 0 pv f3d4 a7a6 c1e3
2021-07-31 08:01:45.983<--2:info depth 18 time 775 nodes 4715591 nps 6080777 hashfull 31
2021-07-31 08:01:46.155<--2:info depth 18 time 947 nodes 5686758 score cp 287 upperbound nps 6002767 hashfull 38 tbhits 0 pv f3d4 a7a6
2021-07-31 08:01:46.436<--2:info depth 18 time 1228 nodes 7356142 score cp 279 upperbound nps 5987464 hashfull 49 tbhits 0 pv f3d4 a7a6
2021-07-31 08:01:46.655<--2:info depth 18 time 1447 nodes 8664566 score cp 280 nps 5986618 hashfull 58 tbhits 0 pv f3d4 a7a6 c1e3 f8b4 e4d2 c8d7 f1d3 g8f6 e1g1 e8g8 a1c1 e6e5 d4f3 b4d2 f3d2 d7c6 d3c4 a8c8 c4b3 f6d5 d1f3 d5e3 f3e3 f8e8
2021-07-31 08:01:46.655<--2:info depth 19 time 1447 nodes 8667383 nps 5988564 hashfull 58
2021-07-31 08:01:46.936<--2:info depth 19 time 1728 nodes 10457881 score cp 286 lowerbound nps 6050077 hashfull 70 tbhits 0 pv f3d4 a7a6 f1d3
2021-07-31 08:01:46.999<--2:info depth 19 time 1791 nodes 10809108 score cp 294 lowerbound nps 6035071 hashfull 73 tbhits 0 pv f3d4 a7a6 f1d3
2021-07-31 08:01:47.108<--2:info depth 19 time 1900 nodes 11536240 score cp 305 lowerbound nps 6070372 hashfull 78 tbhits 0 pv f3d4 a7a6 f1d3
2021-07-31 08:01:47.155<--2:info depth 19 time 1947 nodes 11803927 score cp 298 upperbound nps 6061724 hashfull 79 tbhits 0 pv f3d4 a7a6
2021-07-31 08:01:47.702<--2:info depth 19 time 2478 nodes 15162832 score cp 287 nps 6117738 hashfull 102 tbhits 0 pv f3d4 a7a6 c1e3 f8b4 e4d2 b4e7 d1b3 g8f6 f1d3 e6e5 d4f5 c8f5 d3f5 g7g6 f5d3 d8d5 e1g1 d5b3 d2b3 a8d8 a1d1
2021-07-31 08:01:47.702<--2:info depth 20 time 2494 nodes 15165010 nps 6080290 hashfull 102
2021-07-31 08:01:47.874<--2:info depth 20 time 2665 nodes 16224227 score cp 293 lowerbound nps 6085629 hashfull 109 tbhits 0 pv f3d4 a7a6 f1d3
2021-07-31 08:01:48.014<--2:info depth 20 time 2806 nodes 17073677 score cp 301 lowerbound nps 6083389 hashfull 114 tbhits 0 pv f3d4 a7a6 f1d3
2021-07-31 08:01:48.092<--2:info depth 20 time 2884 nodes 17568334 score cp 296 upperbound nps 6090125 hashfull 117 tbhits 0 pv f3d4 a7a6
2021-07-31 08:01:48.217<--2:info nodes 18309924
2021-07-31 08:01:48.733<--2:info depth 20 time 3525 nodes 21217543 score cp 303 lowerbound nps 6018607 hashfull 142 tbhits 0 pv f3d4 a7a6 f1d3
2021-07-31 08:01:48.733<--2:info depth 21 time 3525 nodes 21217925 nps 6018715 hashfull 142
2021-07-31 08:01:48.733<--2:info currmove f3d4 currmovenumber 1
2021-07-31 08:01:49.545<--2:info depth 21 time 4337 nodes 26158773 score cp 309 lowerbound nps 6030492 hashfull 176 tbhits 0 pv f3d4 g8f6 e4f6
2021-07-31 08:01:49.545<--2:info currmove f3d4 currmovenumber 1
2021-07-31 08:01:50.233<--2:info depth 21 time 5025 nodes 30354797 score cp 317 lowerbound nps 6040509 hashfull 205 tbhits 0 pv f3d4 a7a6 f1d3
2021-07-31 08:01:50.233<--2:info currmove f3d4 currmovenumber 1
2021-07-31 08:01:50.936<--2:info depth 21 time 5728 nodes 34794966 score cp 321 nps 6074238 hashfull 233 tbhits 0 pv f3d4 a7a6 f1d3 f8b4 c1d2 b4d2 d1d2 g8e7 e1g1 e8g8 d4f3 c8d7 f1d1 d7b5 d3b5 d8d2 d1d2 a6b5 d2d7 e7d5 e4d6 a8d8 d7d8 f8d8 d6b7
2021-07-31 08:01:50.936<--2:info currmove d1d4 currmovenumber 2
2021-07-31 08:01:50.936<--2:info currmove d1a4 currmovenumber 3
2021-07-31 08:01:50.936<--2:info currmove d1b3 currmovenumber 4
2021-07-31 08:01:50.936<--2:info currmove f3e5 currmovenumber 5
2021-07-31 08:01:50.936<--2:info currmove c1e3 currmovenumber 6
2021-07-31 08:01:50.936<--2:info currmove c1f4 currmovenumber 7
2021-07-31 08:01:50.936<--2:info currmove d1e2 currmovenumber 8
2021-07-31 08:01:50.936<--2:info currmove a2a3 currmovenumber 9
2021-07-31 08:01:50.936<--2:info currmove f1d3 currmovenumber 10
2021-07-31 08:01:50.936<--2:info currmove f3h4 currmovenumber 11
2021-07-31 08:01:50.936<--2:info currmove e4d6 currmovenumber 12
2021-07-31 08:01:50.936<--2:info currmove e4f6 currmovenumber 13
2021-07-31 08:01:50.936<--2:info currmove c1d2 currmovenumber 14
2021-07-31 08:01:50.936<--2:info currmove h1g1 currmovenumber 15
2021-07-31 08:01:50.936<--2:info currmove e4g5 currmovenumber 16
2021-07-31 08:01:50.936<--2:info currmove e4g3 currmovenumber 17
2021-07-31 08:01:50.936<--2:info currmove c1h6 currmovenumber 18
2021-07-31 08:01:50.936<--2:info currmove f1e2 currmovenumber 19
2021-07-31 08:01:50.936<--2:info currmove c1g5 currmovenumber 20
2021-07-31 08:01:50.936<--2:info currmove e4d2 currmovenumber 21
2021-07-31 08:01:50.936<--2:info currmove b2b3 currmovenumber 22
2021-07-31 08:01:50.936<--2:info currmove f3g5 currmovenumber 23
2021-07-31 08:01:50.936<--2:info currmove b2b4 currmovenumber 24
2021-07-31 08:01:50.936<--2:info currmove f1b5 currmovenumber 25
2021-07-31 08:01:50.936<--2:info currmove f1c4 currmovenumber 26
2021-07-31 08:01:50.936<--2:info currmove f1a6 currmovenumber 27
2021-07-31 08:01:50.936<--2:info currmove e4c5 currmovenumber 28
2021-07-31 08:01:50.936<--2:info currmove f3d2 currmovenumber 29
2021-07-31 08:01:50.936<--2:info currmove e4c3 currmovenumber 30
2021-07-31 08:01:50.936<--2:info currmove g2g3 currmovenumber 31
2021-07-31 08:01:50.936<--2:info currmove h2h3 currmovenumber 32
2021-07-31 08:01:50.936<--2:info currmove a2a4 currmovenumber 33
2021-07-31 08:01:50.936<--2:info currmove a1b1 currmovenumber 34
2021-07-31 08:01:50.936<--2:info currmove d1d2 currmovenumber 35
2021-07-31 08:01:50.936<--2:info currmove d1d3 currmovenumber 36
2021-07-31 08:01:50.936<--2:info currmove d1c2 currmovenumber 37
2021-07-31 08:01:50.936<--2:info currmove f3g1 currmovenumber 38
2021-07-31 08:01:50.936<--2:info currmove g2g4 currmovenumber 39
2021-07-31 08:01:50.936<--2:info currmove h2h4 currmovenumber 40
2021-07-31 08:01:50.936<--2:info currmove e1d2 currmovenumber 41
2021-07-31 08:01:50.936<--2:info depth 22 time 5728 nodes 34804624 nps 6075924 hashfull 233
2021-07-31 08:01:50.936<--2:info currmove f3d4 currmovenumber 1
2021-07-31 08:01:51.233<--2:info nodes 36555122
2021-07-31 08:01:51.311<--2:info depth 22 time 6103 nodes 37004837 score cp 315 upperbound nps 6063127 hashfull 247 tbhits 0 pv f3d4 a7a6
2021-07-31 08:01:51.327<--2:info currmove d1d4 currmovenumber 2
2021-07-31 08:01:51.327<--2:info currmove e4d6 currmovenumber 3
2021-07-31 08:01:51.327<--2:info currmove c1e3 currmovenumber 4
2021-07-31 08:01:51.327<--2:info currmove f1b5 currmovenumber 5
2021-07-31 08:01:51.327<--2:info currmove c1f4 currmovenumber 6
2021-07-31 08:01:51.327<--2:info currmove c1d2 currmovenumber 7
2021-07-31 08:01:51.327<--2:info currmove d1a4 currmovenumber 8
2021-07-31 08:01:51.327<--2:info currmove c1g5 currmovenumber 9
2021-07-31 08:01:51.327<--2:info currmove f1c4 currmovenumber 10
2021-07-31 08:01:51.327<--2:info currmove f1d3 currmovenumber 11
2021-07-31 08:01:51.327<--2:info currmove f3e5 currmovenumber 12
2021-07-31 08:01:51.327<--2:info currmove e4c3 currmovenumber 13
2021-07-31 08:01:51.327<--2:info currmove e4g5 currmovenumber 14
2021-07-31 08:01:51.327<--2:info currmove f1a6 currmovenumber 15
2021-07-31 08:01:51.327<--2:info currmove d1b3 currmovenumber 16
2021-07-31 08:01:51.327<--2:info currmove f1e2 currmovenumber 17
2021-07-31 08:01:51.327<--2:info currmove d1d2 currmovenumber 18
2021-07-31 08:01:51.327<--2:info currmove d1d3 currmovenumber 19
2021-07-31 08:01:51.327<--2:info currmove e4g3 currmovenumber 20
2021-07-31 08:01:51.327<--2:info currmove d1e2 currmovenumber 21
2021-07-31 08:01:51.327<--2:info currmove e4c5 currmovenumber 22
2021-07-31 08:01:51.327<--2:info currmove c1h6 currmovenumber 23
2021-07-31 08:01:51.327<--2:info currmove f3h4 currmovenumber 24
2021-07-31 08:01:51.327<--2:info currmove h1g1 currmovenumber 25
2021-07-31 08:01:51.327<--2:info currmove f3g5 currmovenumber 26
2021-07-31 08:01:51.327<--2:info currmove a1b1 currmovenumber 27
2021-07-31 08:01:51.327<--2:info currmove d1c2 currmovenumber 28
2021-07-31 08:01:51.327<--2:info currmove a2a3 currmovenumber 29
2021-07-31 08:01:51.327<--2:info currmove g2g3 currmovenumber 30
2021-07-31 08:01:51.327<--2:info currmove h2h3 currmovenumber 31
2021-07-31 08:01:51.327<--2:info currmove b2b3 currmovenumber 32
2021-07-31 08:01:51.327<--2:info currmove e4d2 currmovenumber 33
2021-07-31 08:01:51.327<--2:info currmove e4f6 currmovenumber 34
2021-07-31 08:01:51.327<--2:info currmove e1d2 currmovenumber 35
2021-07-31 08:01:51.327<--2:info currmove b2b4 currmovenumber 36
2021-07-31 08:01:51.327<--2:info currmove f3d2 currmovenumber 37
2021-07-31 08:01:51.327<--2:info currmove a2a4 currmovenumber 38
2021-07-31 08:01:51.327<--2:info currmove f3g1 currmovenumber 39
2021-07-31 08:01:51.327<--2:info currmove h2h4 currmovenumber 40
2021-07-31 08:01:51.327<--2:info currmove g2g4 currmovenumber 41
2021-07-31 08:01:51.327<--2:info currmove f3d4 currmovenumber 1
2021-07-31 08:01:52.280<--2:info depth 22 time 7071 nodes 41724927 score cp 312 nps 5900067 hashfull 278 tbhits 0 pv f3d4 a7a6 f1d3 f8b4 c1d2 b4d2 d1d2 g8e7 a1d1 e8g8 e4c3 b7b5 d3e4 a8b8 d2d3 e6e5 e4h7 g8h8 d4f3 d8d3 h7d3 f7f6 d3e4 b5b4 c3d5 e7d5 e4d5 f8d8

[RubiChess]

I see that you failed on your exercise "create an issue on the github bug tracker".

I believe that I am not using the optimal RubiChess for my machine ==> Binary not optimal for this machine. Unused cpu features:popcnt avx2 bmi2. Please use correct binary for best performance. So where do I find the avx2 or bmi2 version ?

Where did you find the wrong one? Why does every other tester except you find the binaries?
Exercise: https://www.google.de/search?q=RubiChes ... e+download

2021-07-31 08:01:38.292-->2:uci
2021-07-31 08:01:38.323<--2:Komodo 9.02 64-bit (C) 2011 Don Dailey, Larry Kaufman and Mark Lefler
...
2021-07-31 08:01:44.642-->1:uci
2021-07-31 08:01:44.845<--1:id name RubiChess 2.1 NN-cf8c5 (ssse3)
...
2021-07-31 08:01:44.845-->1:setoption name MultiPV value 4
...

You enable MultiPV mode when testing engines against each other. And even for only one of the two engines.
Interesting new testing strategy. Maybe you should ask your favorite tournament site https://tcec-chess.com/ to use your idea. They will get fantastic games and a massive decrease in draw rate.

2021-07-31 08:01:45.208-->2:position startpos moves e2e4 c7c5 c2c3 b8c6 g1f3 e7e6 d2d4 c5d4 c3d4 d7d5 b1c3 d5e4 c3e4 c6d4
2021-07-31 08:01:45.208-->2:go wtime 580000 btime 550000 winc 3000 binc 3000
2021-07-31 08:01:45.209<--2:info depth 1 time 1 nodes 83 score cp 396 nps 83000 hashfull 0 tbhits 0 pv f3d4 f8b4
2021-07-31 08:01:45.212<--2:info depth 2 time 1 nodes 1199 score cp 388 nps 1199000 hashfull 0 tbhits 0 pv f3d4 e6e5
2021-07-31 08:01:45.217<--2:info depth 4 time 1 nodes 3080 score cp 266 nps 3080000 hashfull 0 tbhits 0 pv f3d4 e6e5 f1b5 c8d7 b5d7 d8d7
2021-07-31 08:01:52.280<--2:info depth 22 time 7071 nodes 41724927 score cp 312 nps 5900067 hashfull 278 tbhits 0 pv f3d4 a7a6 f1d3 f8b4 c1d2 b4d2 d1d2 g8e7 a1d1 e8g8 e4c3 b7b5 d3e4 a8b8 d2d3 e6e5 e4h7 g8h8 d4f3 d8d3 h7d3 f7f6 d3e4 b5b4 c3d5 e7d5 e4d5 f8d8

Your log shows that Komodo will win after the blunder is played. Nothing about Rubi thinking on any move in the log.

Conclusion:
Komodo seems a good engine and you even found a good binary of it. So I can only repeat my advise: Leave this shitty Rubi engine. It seems completely broken.

[AndrewGrant]

Komodo seems a good engine and you even found a good binary of it. So I can only repeat my advise: Leave this shitty Rubi engine. It seems completely broken.

True. I would suggest avoiding the entire suite of OpenBench engines to be safe.