Komodo 10.4 is the new Theban Chess Champion.

[Laskos]

Deuterium's perft matches to that of Sf at depth 7.

[d]1p6/2p3kn/3p2pp/4pppp/5ppp/8/PPPPPPPP/PPPPPPKN w - - 0 1

Code: Select all

perft 6

 a2a3 - 772794
 a2a4 - 776771
 b2b3 - 773059
 b2b4 - 790974
 c2c3 - 773245
 c2c4 - 777754
 d2d3 - 786441
 d2d4 - 957475
 e2e3 - 997522
 e2e4 - 844484
 f2f3 - 1088266
 g2g3 - 941565
 h2h3 - 856469
 h1g3 - 1089891

 Perft 6 Summary
 Nodes: 12226710

Code: Select all

perft 7

 g2g3 - 14305715
 d2d3 - 11887018
 d2d4 - 14836949
 c2c3 - 11613453
 c2c4 - 11813717
 h2h3 - 13402704
 f2f3 - 18640606
 e2e3 - 15577924
 e2e4 - 12805926
 a2a3 - 11597793
 a2a4 - 11753270
 b2b3 - 11606575
 b2b4 - 12056991
 h1g3 - 18596877

 Perft 7 Summary
 Nodes: 190495518

Stockfish 180417 64 POPCNT

Code: Select all

position fen 1p6/2p3kn/3p2pp/4pppp/5ppp/8/PPPPPPPP/PPPPPPKN w - - 0 1
d

 +---+---+---+---+---+---+---+---+
 |   | p |   |   |   |   |   |   |
 +---+---+---+---+---+---+---+---+
 |   |   | p |   |   |   | k | n |
 +---+---+---+---+---+---+---+---+
 |   |   |   | p |   |   | p | p |
 +---+---+---+---+---+---+---+---+
 |   |   |   |   | p | p | p | p |
 +---+---+---+---+---+---+---+---+
 |   |   |   |   |   | p | p | p |
 +---+---+---+---+---+---+---+---+
 |   |   |   |   |   |   |   |   |
 +---+---+---+---+---+---+---+---+
 | P | P | P | P | P | P | P | P |
 +---+---+---+---+---+---+---+---+
 | P | P | P | P | P | P | K | N |
 +---+---+---+---+---+---+---+---+

Fen: 1p6/2p3kn/3p2pp/4pppp/5ppp/8/PPPPPPPP/PPPPPPKN w - - 0 1
Key: 53374CE25BC99244
Checkers:
perft 7

Position: 1/1
a2a3: 11597793
b2b3: 11606575
c2c3: 11613453
d2d3: 11887018
e2e3: 15577924
f2f3: 18640606
g2g3: 14305715
h2h3: 13402704
a2a4: 11753270
b2b4: 12056991
c2c4: 11813717
d2d4: 14836949
e2e4: 12805926
h1g3: 18596877

===========================
Total time (ms) : 1494
Nodes searched  : 190495518
Nodes/second    : 127507040

Great! So they play the same game

[Laskos]

I did a few 500 game tests using Fritz 15 Monte-Carlo mode, which although way too short seemed to confirm your results. Rather to my surprise, even with White getting 1e4 and 2d4 and still White to move, he came out slightly behind with Black getting draw odds; maybe this would be fair in real timed games. But with the c2 pawn missing from the startposition and White getting the draw odds, Black came out slightly ahead. Yet the White eval for the first position after a minute or so in infinite mode was roughly twice the Black eval in the second using the same (Fritz 15) engine as was used for the MC playouts. Can anyone suggest some principle that would explain this or some way to improve eval based on this result?

Maybe the first principle is to use Komodo for seeing the eval . When I played the handicap, I built an opening 4-mover book with Komodo on 2 threads, then I played Komodo-Stockfish 1s/move from this book, getting the White/Black performance in 400 or so games. I think my shoot-out is more reliable, but Fritz 15 Monte Carlo is not bad (probably draw rate is deflated).

[Laskos]

[d]1p6/2p3kn/3p2pp/4pppp/5ppp/8/PPPPPPPP/PPPPPPKN w - - 0 0

Some scaling properties:

Doubling time control at game at 60''+0.6'':
Regular Chess ~ 100 Elo points
Theban Chess ~ 80 Elo points:
Score of K 120 vs K 60: 207 - 114 - 79 [0.616] 400
ELO difference: 82.28 +/- 31.19

Very little increase in draw rate with time control at 100X factor in time:
6''+0.06'': 17%
600''+6'': 18%

No Elo rating compression:
6''+0.06''

Code: Select all

   # PLAYER                      : RATING  ERROR    POINTS  PLAYED     (%)   CFS(next)
   1 Komodo 10.4 64-bit          : 2644.0   30.1     281.0     400    70.3      97    
   2 Stockfish 100517 64 BMI2    : 2601.3   29.0     258.0     400    64.5      79    
   3 Fire 5 x64                  : 2583.5   29.6     248.0     400    62.0      95    
   4 Andscacs 0.91b              : 2545.3   29.6     226.0     400    56.5      61    
   5 Deep Shredder 13 x64        : 2539.3   28.8     222.5     400    55.6     100    
   6 DiscoCheck 5.2.1            : 2442.1   30.6     165.5     400    41.4      57    
   7 Hakkapeliitta TCEC          : 2437.7   28.6     163.0     400    40.8      95    
   8 Cheng 4.39                  : 2401.3   29.5     142.5     400    35.6     100    
   9 Quazar 0.4 x64              : 2305.4   33.8      93.5     400    23.4     ---    

White advantage = -24.16 +/- 8.35
Draw rate (equal opponents) = 16.63 % +/- 0.94

600''+6''

Code: Select all

   # PLAYER                      : RATING  ERROR    POINTS  PLAYED     (%)   CFS(next)
   1 Komodo 10.4 64-bit          : 2746.3   56.2     130.5     160    81.6     100    
   2 Stockfish 100517 64 BMI2    : 2605.5   49.6     104.0     160    65.0      80    
   3 Fire 5 x64                  : 2575.5   48.1      97.5     160    60.9      84    
   4 Andscacs 0.91n              : 2539.7   47.1      89.5     160    55.9      88    
   5 Deep Shredder 13 x64        : 2498.0   46.9      80.0     160    50.0      95    
   6 Hakkapeliitta TCEC          : 2441.0   48.4      67.0     160    41.9      89    
   7 Cheng 4.39                  : 2393.6   50.4      56.5     160    35.3      70    
   8 DiscoCheck 5.2.1            : 2374.9   47.7      52.5     160    32.8      91    
   9 Quazar 0.4 x64              : 2325.7   51.0      42.5     160    26.6     ---    

White advantage = 20.10 +/- 13.44
Draw rate (equal opponents) = 18.21 % +/- 1.59

White advantage: small, almost negligible. The game is very balanced throughout time controls and engines.


Average length of the game: 34 moves
Distribution of the length of the games:

[Ajedrecista]

Hello:

Here are some higher values of perft for this variant:

Code: Select all

Stockfish 8 by T. Romstad, M. Costalba, J. Kiiski, G. Linscott
position fen 1p6/2p3kn/3p2pp/4pppp/5ppp/8/PPPPPPPP/PPPPPPKN w - - 0 1

perft 8

Position: 1/1
a2a3: 193200262
b2b3: 193379987
c2c3: 193485955
d2d3: 198581534
e2e3: 265684105
f2f3: 311141279
g2g3: 239979148
h2h3: 223175939
a2a4: 195891099
b2b4: 201376243
c2c4: 196255232
d2d4: 248963300
e2e4: 212841371
h1g3: 301108331

===========================
Total time (ms) : 155524
Nodes searched  : 3175063785
Nodes/second    : 20415265





perft 9

Position: 1/1
a2a3: 2966246581
b2b3: 2970612465
c2c3: 2973168411
d2d3: 3070479204
e2e3: 4219502797
f2f3: 5338151756
g2g3: 3704399120
h2h3: 3544762613
a2a4: 3039248216
b2b4: 3146004889
c2c4: 3054650324
d2d4: 3923200752
e2e4: 3301281162
h1g3: 5173763607

===========================
Total time (ms) : 2053939
Nodes searched  : 50425471897
Nodes/second    : 24550618

It would be awesome to compute or estimate higher perft values.

Regards from Spain.

Ajedrecista.

[Laskos]

For this test I built an opening book of several hundreds openings (I can upload the EPD file if some want it).

I am interested can you upload it?
I will try to make Deuterium play this variant correctly.

What gui did you use? or perhaps cutechess-cli.

If you want to tune your eval to beat Stockfish and maybe even become the Champion in my list, here are 2 VLTC games on 8 threads Komodo against Stockfish reversed color from the initial position. Arena 1.1 accepts this game, and I took 5400s + 30s VLTC time control. Both were won by Komodo, as Black and White. Stockfish seems unable to activate its Knight as White, and help its Queenside pawn majority. As Black, it doesn't know that it should either press with King attack or at least not allow White Knight to help convert its Queenside pawns.

Game 1, Stockfish White:
[pgn][Event "Arena1"]
[Site "PC-1"]
[Date "2017.05.20"]
[Round "1"]
[White "Stockfish_17051018_x64_bmi2"]
[Black "Komodo_104"]
[Result "0-1"]
[Time "normal"]
[Variation "5400+30"]
[TimeControl "5400+30"]
[SetUp "1"]
[FEN "1p6/2p3kn/3p2pp/4pppp/5ppp/8/PPPPPPPP/PPPPPPKN w - - 0 1 "]
[Termination "normal"]
[PlyCount "51"]
[WhiteType "program"]
[BlackType "program"]

{C:\LittleBlitzer\Theban_ini.epd 0/1} 1.b4 {(b2b4 d6d5 a2a4 d5d4 c2c3 d4xc3
d2xc3 Kg7f6 a4a5 Nh7f8 b1b2 e5e4 c1c2 h4h3 b4b5 Nf8d7 d1d2 h3xg2 f1xg2 h5h4 d2d4
e4xd3/ep e2xd3 f4f3 Kg1f1 f5f4 e1e2 f3xg2+ Kf1xg2 h6h5 a5a6 h4h3+ Kg2f1 h5h4 Kf1g1 Kf6e6
a1a2 Ke6d5 c3c4+ Kd5e5) +0.97/35 272} Kf6 {(Kg7f6 c2c3 Kf6e6 a2a4 Nh7f6 f2f3 c7c5
b4xc5 d6xc5 b1b2 b8b7 b2b3 Ke6d5 c3c4+ Kd5e6 c1c2 g4g3 e2e3 g5g4 h2xg3 f4xg3 f1f2
f5f4 e3xf4 e5xf4 f3xg4 h5xg4 d2d3 b7b6 Kg1f1 Ke6e5) -0.84/29 164} 2.a4 {(a2a4 e5e4
b1b2 d6d5 c2c3 Kf6e5 a4a5 d5d4 a1a2 Nh7f6 c3c4 Ke5d6 c1c2 Nf6d7 d2d3 h4h3 b4b5 c7c6
b2b4 c6xb5 c4xb5 Nd7f6 d3xe4 f5xe4 d1d2 h3xg2 f1xg2 Nf6d5 a2a3 Kd6e5 b5b6 h5h4 b6b7
Nd5c7 e2e3 d4xe3 d2xe3 Nc7b5) +1.01/36 91} Ke6 {(Kf6e6 a1a2 c7c5 a2a3 h4h3 d2d3 Nh7f6
b1b2 c5xb4 a3xb4 d6d5 c2c3 Ke6d6 f2f3 h3xg2 Kg1xg2 e5e4 f3xe4 f5xe4 d1d2 h5h4 d3d4
Kd6c6 e2e3 Kc6b6 e1e2 h4h3+ Kg2g1 h6h5 Kg1f2 Kb6c6) -0.90/29 212} 3.b2 {(b1b2 d6d5
c2c3 Nh7f6 a1a2 e5e4 a4a5 h4h3 b4b5 h5h4 a2a4 d5d4 c3xd4 h3xg2 f1xg2 Ke6d5 c1c2
Kd5xd4 b2b3 Kd4c5 c2c3 f4f3 a5a6 f3xg2 Kg1xg2 f5f4 e2e3 Kc5d6 b3b4 f4f3+ Kg2g1 Kd6d5
e1e2 Nf6d7 e2xf3) +1.06/34 131} Nf6 {(Nh7f6 a1a2 f4f3 a4a5 e5e4 d2d3 h4h3 e2e3 d6d5
d3d4 c7c6 a2a4 Nf6e8 b2b3 Ne8d6 g2g3 h5h4 c2c3 b8b7 d1d2 Ke6d7 c1c2 h6h5 e1e2 Kd7e6
d2d3 f3xe2 f1xe2 e4xd3 c2xd3) -0.83/29 113} 4.a2 {(a1a2 e5e4 c2c3 c7c6 c1c2 d6d5
b4b5 Ke6d6 d2d3 h4h3 b2b4 c6xb5 a4xb5 h5h4 a2a4 f4f3 a4a5 f3xg2 f1xg2 h6h5 d1d2
h3xg2 Kg1xg2 e4xd3 e2xd3 h4h3+ Kg2g1 f5f4 a5a6 Nf6d7 e1e2 Kd6e6 Kg1f1 h5h4) +1.12/33
121} f3 {(f4f3 c2c3 c7c6) -0.86/33 428} 5.c3 {(c2c3 e5e4 a4a5 d6d5 c1c2 h4h3 a2a4
Ke6d6 b4b5 f3xg2 f1xg2 h3xg2 Kg1xg2 h5h4 b2b4 h4h3+ Kg2g1 Nf6d7 d2d3 h6h5 Nh1g3 h5h4
Ng3f1 f5f4 a5a6 e4xd3 e2xd3 c7c6 b5xc6 Kd6xc6 f2f3 g4xf3 b4b5+ Kc6b6 Nf1d2) +1.15/34
159} c6 {(c7c6 d2d3 e5e4 d3d4 Ke6d7 c3c4 Kd7c7 a2a3 Kc7b7 c1c2 Kb7a6 e2xf3 g4xf3
h2h3 g5g4 Kg1h2 g6g5 d1d2 f5f4 e1e2 b8b7 d2d3 d6d5 a4a5 f3xe2 f1xe2 g4g3+ Kh2g1 e4e3
f2xe3 f4xe3 Kg1f1 g5g4 h3xg4 h5xg4) -0.82/32 62} 6.b5 {(b4b5) +1.24/34 168} e4 {(e5e4
d2d4 d6d5 b5b6 Ke6d6 a4a5 Nf6d7 b2b3 b8b7 b3b4 Kd6e6 h2h3 f3xe2 f1xe2 f5f4 Kg1h2
Nd7f6 a2a3 Ke6d6 a3a4 Nf6d7 e2e3 f4f3 e1e2 f3xe2 d1xe2 Nd7f6 Kh2g1 g4xh3 g2xh3 g5g4
a5a6) -0.76/31 76} 7.c2 {(c1c2 Ke6d7 c3c4 Kd7c7 a4a5 Nf6d7 d2d4 e4xd3/ep e2xd3 d6d5
d1d2 d5xc4 d3xc4 Nd7c5 b2b4 Nc5e6 c2c3 c6xb5 c4xb5 Ne6f4 a2a3 Nf4d3 e1e2 Nd3c1 e2xf3
g4xf3 g2xf3 Nc1d3 b5b6+ Kc7c6 f3f4 g5xf4 f2f3 g6g5 Nh1f2 Nd3e1 d2d4 Ne1xf3+ Kg1g2
Nf3e1+ Kg2h3 Ne1f3 Nf2d3) +1.16/37 231} d5 {(d6d5 d2d4 Nf6e8) -0.60/31 138} 8.d3
{(d2d3 Ke6d6 d1d2 d5d4 c3c4 Nf6d7 d3xe4 f5xe4 d2d3 Nd7c5 b2b3 e4xd3 e2xd3 Nc5e6 b3b4
c6xb5 a4xb5 Ne6f4 a2a4 f3xg2 f1xg2 Nf4e2+ Kg1f1 Ne2c3 a4a5 Nc3a2 Kf1e2 Na2xb4 Ke2d2
Nb4a2 f2f3 g4xf3 g2xf3 Kd6e5 a5a6 Na2b4 Nh1f2 Ke5f4 e1e2 g5g4 Nf2e4 h4h3 f3xg4)
+1.11/36 538} Kd6 {(Ke6d6 h2h3 f3xg2 Kg1xg2 g4xh3+ Kg2xh3 g5g4+ Kh3h2 Nf6h7 e2e3 Kd6c5
d3d4+ Kc5b6 b5xc6 Kb6xc6 d1d2 h4h3 Kh2g3 Nh7g5 e1e2 Ng5h7 d2d3 Nh7f6 f2f3 g6g5 f3xe4
h5h4+ Kg3h2 d5xe4 c3c4 Kc6d6 a4a5 b8b7 b2b4 f5f4 d3xe4 Nf6xe4 e3xf4 g5xf4 a2a3)
-0.50/30 200} 9.d2 {(d1d2 h4h3) +0.79/36 510} h3 {(h4h3 b2b3 h5h4 g2g3 Kd6c5 b3b4+ Kc5d6
b5b6 c6c5 b4b5 d5d4 a4a5 d4xc3 d2xc3 Nf6d7 c3c4 Kd6e6 b6b7 Ke6d6 e2xf3 Nd7e5 e1e2
e4xf3 a5a6 Ne5d7 a2a4 h6h5 a4a5 f5f4 g3xf4 g5xf4 a6a7 b8xa7 a5a6) -0.54/31 140} 10.d4
{(d3d4 Kd6c7 b2b3 Kc7b6 b5xc6 Kb6xc6 d2d3 h5h4 g2g3 Kc6b6 a2a3 Kb6b7 b3b4 Kb7c6 c3c4
h4xg3 Nh1xg3 e4xd3 c2xd3 f5f4 Ng3h1 d5xc4 d3xc4 Kc6c7 a4a5 f3xe2 f1xe2 Nf6e4 e2e3
Ne4d6 c4c5 Nd6c4 a3a4 f4xe3 Nh1g3 e3xf2+ e1xf2 Nc4d2 d4d5 Nd2f3+ Kg1h1 Nf3d2 d5d6+
Kc7d7 Kh1g1 Nd2f3+ Kg1h1) +0.65/35 234} h4 {(h5h4 e2xf3 g4xf3 b5b6 c6c5 a4a5 h3xg2
f1xg2 c5c4 a2a4 Kd6c6 b2b4 Kc6b7 b4b5 f5f4 Kg1f1 f3xg2+ Kf1xg2 f4f3+ Kg2f1 Nf6g4
Kf1g1 Ng4f6 Kg1f1) 0.00/33 94} 11.g3 {(g2g3 Kd6c7 d2d3 Kc7b6 b5xc6 Kb6xc6 b2b3 Nf6e8
c3c4 e4xd3 c2xd3 Ne8g7 e2xf3 Ng7e6 f3xg4 f5xg4 e1e2 Ne6xd4 g3xh4 g5xh4 f2f3 g4xf3
e2e4 d5xe4 d3xe4 Kc6c5 Kg1f2 g6g5 Kf2e3 Nd4c2+ Ke3d2 Nc2b4 e4e5 g5g4 Kd2e3 h6h5
Nh1f2 Kc5c6 Ke3f4 Nb4xa2 Nf2d3 Na2c3 f1f2 Nc3e2+ Kf4g5) +0.55/35 158} Kc7 {(Kd6c7
b5xc6 Kc7xc6 d2d3 Nf6e8 b2b3 Ne8d6 c3c4 e4xd3 c2xd3 f5f4 g3xf4 g5xf4 e2e3 Nd6f5 e1e2
f3xe2 f1xe2 f4xe3 f2xe3 Nf5xe3 Kg1f2 Ne3c2 e2e3 Nc2b4 Kf2e2 Nb4xa2 Ke2d2 g4g3 h2xg3
h4xg3 Nh1xg3 h6h5 e3e4 h3h2 e4xd5+ Kc6c7 Kd2e3 h5h4 Ng3h1 Na2c1 Ke3f3 Nc1xb3)
+0.27/34 263} 12.b3 {(b2b3 Kc7b6 b5xc6 Kb6xc6 d2d3 Nf6e8 c3c4 e4xd3 c2xd3 Ne8g7 e2xf3
Ng7e6 f3xg4 Ne6xd4 c4xd5+ Kc6xd5 f2f4 h4xg3 h2xg3 f5xg4 f4xg5 Nd4f3+ Kg1f2 Nf3xg5
e1e2 Kd5d4 Kf2g1 Kd4c3 Nh1f2 h6h5 a4a5 Ng5e6 Nf2e4+ Kc3b4 a5a6 Kb4b5 Kg1h2 Kb5xa6
Ne4f6 Ka6b6 Nf6d7+ Kb6c7 Nd7e5 g6g5 f1f2 Kc7d6) +0.48/39 208} cxb5 {(c6xb5 a4xb5
Kc7b6) +0.82/32 97} 13.axb5 {(a4xb5 Kc7b6) +0.13/37 203} Kb6 {(Kc7b6 a2a4 Kb6a5 d2d3
Nf6g8 c3c4 Ka5b4 b5b6 Ng8e7 e2xf3 e4xd3 c2c3+ Kb4xb3 a4a5 Kb3xc4 f3xg4 f5xg4 g3xh4
g5xh4 f2f3 Ne7c6 a5a6 Kc4xc3 f3xg4 g6g5 Nh1f2 Kc3xd4 Nf2xh3 Kd4c5 f1f2 Kc5xb6 f2f4
g5xf4 Nh3xf4 Nc6e5 h2h3 Kb6xa6 Kg1f2 Ka6b5 Nf4xd5 Kb5c5 Nd5f6 b8b7 Kf2e3) +0.70/32
51} 14.c4 {(c3c4 d5xc4 b3xc4 Kb6a5 c2c3 f5f4 e2xf3 g4xf3 e1e2 h4xg3 f2xg3 e4e3
e2xf3 e3xd2 Nh1f2 h6h5 Nf2d1 f4xg3 h2xg3 g5g4 Kg1h2 Nf6h7 Kh2g1 g4xf3 Kg1h2 Nh7g5
Nd1f2 b8b7 Nf2d1 Ng5e4 Kh2xh3 g6g5 f1f2 Ka5a4 b5b6 Ka4a3 c4c5 Ne4f6 c5c6 b7xc6 c3c4
Nf6d7 c4c5 Ka3b4 Nd1e3 Kb4b5 Kh3h2 Kb5a6 Kh2g1 Nd7f6 Ne3d1 h5h4 Kg1h2) -0.40/40 185}
dxc4 {(d5xc4 b3xc4 Kb6a5 c2c3 Nf6d7 d2d3 e4xd3 e2xd3 Nd7f6 a2a3 Ka5a4 b5b6 Ka4xa3
c4c5 b8b7 e1e2 Ka3b3 c5c6 b7xc6 b6b7 Nf6d7 g3xh4 g5xh4 e2e4 f5xe4 d3xe4 Kb3c4 Nh1g3
h4xg3 f2xg3 h6h5 Kg1f2 g6g5 Kf2e3 Nd7b8 f1f2 h5h4 e4e5 Kc4d5 Ke3d2 c6c5 c3c4+ Kd5e6
g3xh4 g5xh4 Kd2e3 g4g3 d4d5+ Ke6xe5) +1.75/35 272} 15.bxc4 {(b3xc4 Kb6a5 c2c3 f5f4
d2d3 Ka5b6 a2a3 f3xe2 f1xe2 h6h5 a3a4 Kb6a5 g3xf4 g5xf4 c4c5 Nf6d5 c3c4 Nd5c3 Kg1f1
Ka5b4 d3xe4 Kb4xc4 b5b6 Nc3xe4 f2f3 Ne4c3 Nh1f2 Nc3xa4 b6b7 Na4c3 c5c6 g4g3 Nf2xh3
Nc3d5 Kf1g2 Kc4xd4 e2e4 f4xe3/ep h2xg3 Kd4c5 g3xh4 Kc5xc6 Kg2g3 Kc6d7 Nh3f4 Nd5e7
e1e2 Ne7f5+ Kg3h3 Nf5d4 Kh3g3 Nd4f5+) 0.00/36 44} Ka5 {(Kb6a5 d2d3 Ka5b4) +1.60/34
80} 16.c3 {(c2c3 f5f4 d2d3 Ka5b6 a2a3 f4xg3 f2xg3 f3xe2 f1xe2 e4e3 Kg1f1 Kb6a5
Kf1g1 Ka5b6) 0.00/34 34} Nd7 {(Nf6d7 g3xh4 g5xh4 d2d3 e4xd3 e2xd3 Nd7f6 d4d5 Ka5b6
e1e2 Kb6c5 a2a4 Kc5b6 e2xf3 g4xf3 Nh1g3 h4xg3 f2xg3 g6g5 f1f2 Kb6a5 Kg1f1 h6h5 Kf1e1
Ka5xa4 d5d6 Ka4a5 d3d4 Ka5b6 Ke1f1 g5g4 Kf1e1 h5h4 g3xh4 f5f4 Ke1f1 g4g3 Kf1g1 g3g2
h4h5 Nf6e4 d6d7 Kb6c7 b5b6+ Kc7xd7) +1.93/34 69} 17.exf3 {(e2xf3 g4xf3 e1e2 Nd7f6
e2xf3 e4xf3 d2d3 Ka5b6 g3xh4 g5xh4 Nh1g3 Kb6a5 Ng3e2 f3xe2 f1xe2 g6g5 a2a3 g5g4 e2e3
Nf6h7 d4d5 Nh7g5 d5d6 Ng5f7 d6d7 Ka5b6 d3d4 Kb6c7 c4c5 Kc7xd7 a3a4 Nf7g5 a4a5 Ng5e4
c3c4 b8b7 a5a6 b7xa6 b5xa6 Kd7c7 f2f3 Ne4d2 f3xg4 f5xg4 Kg1f2 Nd2xc4 e3e4) -1.92/37
222} exf3 {(e4xf3 e1e2 Nd7f6 d2d3 Ka5b6 d4d5 Kb6c5 a2a4 Kc5b6 d5d6 Kb6c5 a4a5 Nf6d7
e2xf3 g4xf3 g3xh4 g5xh4 Nh1g3 h4xg3 f2xg3 Nd7f6 a5a6 Kc5xd6 b5b6 Kd6c6 c4c5 Nf6d5
d3d4 Nd5xc3 Kg1f2 Nc3b5 a6a7 b8xa7 d4d5+ Kc6d7 b6xa7 Nb5xa7 Kf2xf3 Na7b5 Kf3f4 Nb5d4
f1f2 Nd4b3 Kf4e5 Nb3xc5 Ke5f6 Kd7d6 Kf6xg6 Nc5d3) +1.89/33 50} 18.e2 {(e1e2 Nd7f6
e2xf3 g4xf3 d2d3 Ka5b6 g3xh4 g5xh4 Nh1g3 Kb6a5 Ng3e2 f3xe2 f1xe2 g6g5 e2e3 g5g4 a2a3
Nf6h7 d4d5 Nh7g5 d5d6 Ng5f7 d6d7 Ka5b6 a3a4 Nf7d8 d3d4 Kb6a5 f2f3 Ka5xa4 f3xg4 f5xg4
b5b6 Ka4a5 c4c5 Ka5b5 e3e4 Kb5c6 e4e5 Nd8e6 d7d8R Ne6xd8 c3c4 Kc6d7 d4d5 b8b7 Kg1h1
Kd7e7 Kh1g1 Ke7e8 Kg1f2 Ke8d7 Kf2f1 g4g3 e5e6+ Kd7e8 Kf1g1 Ke8e7 Kg1h1 Ke7f6)
-1.88/38 126} Nf6 {(Nd7f6 d2d3 Ka5b6) +2.34/34 153} 19.gxh4 {(g3xh4 g5xh4 d2d3 Ka5b6
e2xf3 g4xf3 Nh1g3 Kb6a5 Ng3e2 f3xe2 f1xe2 g6g5 e2e3 g5g4 Kg1h1 Nf6h7 d4d5 Nh7g5 a2a3
Ka5b6 a3a4 Ng5f7 Kh1g1 Kb6a5 c4c5 Ka5xa4 c3c4 Ka4b4 c5c6 Kb4c5 Kg1f1 Nf7d6 Kf1g1
Kc5b6 Kg1h1 Kb6c7 Kh1g1 b8b7 f2f3 g4g3 f3f4 b7xc6 b5xc6 Kc7b6 Kg1h1 Nd6e8) -2.72/39
187} gxh4 {(g5xh4 d2d3 Nf6h5 e2e3 Nh5f6 Nh1g3 h4xg3 f2xg3 h6h5 d4d5 Ka5b6 f1f2 g6g5
Kg1f1 Kb6c7 a2a4 Kc7b6 d5d6 Kb6c5 a4a5 h5h4 Kf1g1 Kc5xd6 d3d4 Nf6e4 a5a6 h4xg3 f2xg3
f3f2+ Kg1f1 Ne4xg3+ Kf1xf2 Ng3e4+ Kf2g1 Ne4xc3 b5b6 Kd6c6 a6a7) +3.58/30 79} 20.d5
{(d4d5 Ka5b6) -4.12/38 643} Ne4 {(Nf6e4 d2d3 Ne4xc3 Nh1g3 Ka5b6 d5d6 Kb6b7 a2a3 Kb7c8
b5b6 h4xg3 e2xf3 g3xh2+ Kg1xh2 g4xf3 c4c5 Kc8d7 d3d4 b8b7 Kh2xh3 Nc3e2 d4d5 Ne2f4+
Kh3g3 Nf4xd5 Kg3xf3 Kd7c6 a3a4 Nd5f6 a4a5 Nf6d7 Kf3f4 Kc6xc5 f2f3 Kc5xd6 Kf4g3 Kd6d5
f1f2 Nd7c5 Kg3f4 Nc5e6+) +4.65/30 62} 21.d6 {(d5d6 Ne4xd6) -5.88/37 551} Nxd6
{(Ne4xd6 e2xf3 Nd6xc4 f3xg4 Nc4xd2 f2f4 Nd2f3+ Kg1f2 f5xg4 Kf2e2 Nf3xh2 Nh1f2 Ka5xb5
Ke2d3 Nh2xf1 Nf2xg4 h3h2 Ng4f2 Nf1g3 Kd3e3 h2h1Q Nf2xh1 Ng3xh1 Ke3f3 Nh1g3 Kf3g4
Ng3f5 Kg4h3 Kb5c4 a2a4 Kc4d3 a4a5 Kd3xc3 a5a6 Kc3c4 Kh3g4 Kc4d4) +6.77/29 64} 22.d3
{(d2d3 Nd6f7) -6.40/34 118} Nb7 {(Nd6b7 d3d4 Nb7d6 b5b6 Nd6e4 c4c5 Ne4xc3 Nh1g3 h4xg3
e2xf3 g4xf3 f2xg3 Nc3e4 f1f2 Ne4d2 Kg1h1 Ka5a6 Kh1g1 Ka6b5 Kg1h1 Nd2c4 Kh1g1 Nc4a5
Kg1f1 Kb5c4 Kf1e1 Kc4xd4 c5c6 Na5xc6 a2a4 Kd4c5 b6b7 Nc6e5 a4a5 Ne5g4 a5a6 Kc5b6
Ke1d2 Ng4xh2) +7.58/30 104} 23.c5 {(c4c5 Ka5xb5) -7.56/36 424} Nxc5 {(Nb7xc5 c3c4
Nc5a4 e2e3 Na4c3 Nh1g3 h4xg3 f2xg3 Nc3d1 f1f2 Nd1b2 e3e4 f5xe4 d3xe4 Nb2xc4 b5b6
Ka5xb6 Kg1f1 Nc4d2+ Kf1e1 Nd2xe4 Ke1f1 Kb6c5 Kf1e1 Kc5c4 Ke1f1 Ne4c3 a2a3 Nc3e4 Kf1e1
Kc4b3 Ke1d1) +9.23/27 51} 24.exf3 {(e2xf3 g4xf3) -14.35/36 302} gxf3 {(g4xf3 c3c4
Nc5a4 Nh1g3 h4xg3 f2xg3 Na4c5 d3d4 Nc5e4 f1f2 Ne4d2 c4c5 Ka5xb5 Kg1h1 Nd2c4 Kh1g1
Nc4b2 Kg1h1 Kb5c4 c5c6 Kc4d5 Kh1g1 Kd5xc6 Kg1f1 Kc6b5 Kf1e1 Kb5c4 Ke1d2 Kc4xd4 Kd2e1
Nb2d3+ Ke1f1 Kd4c5 Kf1g1 Kc5d6 a2a3 Nd3b2) +12.60/29 83} 25.c4 {(c3c4 Nc5a4) -53.08/36
167} Na4 {(Nc5a4 Nh1g3 h4xg3 f2xg3 Na4c5 Kg1f2 Nc5xd3+ Kf2xf3 Nd3e5+ Kf3e3 Ne5g4+
Ke3e2 Ka5b4 f1f2 Kb4xc4 b5b6 Ng4xh2 f2f3 Kc4b5 b6b7 Kb5b6 Ke2e3 Kb6xb7 Ke3f2 Kb7b6
Kf2e2 Nh2g4 Ke2f1 Ng4e5 g3g4 f5f4 Kf1g1 Ne5xf3+ Kg1f2 Nf3e5) +13.10/29 108} 26.Ng3
{(Nh1g3 h4xg3 f2xg3 Na4c5 Kg1f2 Nc5xd3+ Kf2xf3 Nd3e5+ Kf3f2 Ne5xc4 b5b6 Ka5xb6 Kf2e2
Nc4e5 f1f2 Ne5g4 f2f3 Ng4xh2 Ke2f2 Kb6b5 a2a3 Kb5b6 Kf2e2 Nh2g4 Ke2f1 Ng4e5 Kf1f2
Kb6c5 g3g4 f5f4 a3a4 Kc5b4 a4a5 Kb4xa5 Kf2g1 Ne5xf3+ Kg1f2) -53.66/28 5 0-1 Arena
Adjudication} { Arena Adjudication} 0-1[/pgn]

Komodo won as Black. The final position:
[d]1p6/8/6pp/kP3p2/n1P4p/3P1pNp/P4P1P/5PK1 b - - 0 26

Game 2, Komodo White:
[pgn][Event "Arena2"]
[Site "PC-1"]
[Date "2017.05.20"]
[Round "1"]
[White "Komodo_104"]
[Black "Stockfish_17051018_x64_bmi2"]
[Result "1-0"]
[Time "11:07:46"]
[TimeControl "5400+30"]
[SetUp "1"]
[FEN "1p6/2p3kn/3p2pp/4pppp/5ppp/8/PPPPPPPP/PPPPPPKN w - - 0 1 "]
[Termination "normal"]
[PlyCount "66"]
[WhiteType "program"]
[BlackType "program"]

{C:\LittleBlitzer\Theban_ini.epd 0/1} 1.a4 {(a2a4 Kg7f7 c2c3 Kf7e6 d2d3 c7c5
b2b3 d6d5 c3c4 Ke6d6 c1c2 Nh7f8 a1a2 Nf8e6 c4xd5 Kd6xd5 f2f3 g4g3 e2e4+ f4xe3/ep
h2xg3 Kd5d4 f1f2 e3xf2+ Kg1xf2 Kd4c3 a4a5 Kc3b2 g3xh4 g5xh4 a2a4 Kb2c1 a5a6) +0.90/28
150} d5 {(d6d5 b2b4 d5d4 a4a5 Kg7f6 a1a2 e5e4 b1b2 Nh7f8 b4b5 h4h3 a5a6 Nf8d7 b2b3
Nd7c5 e2e3 d4xe3 f2xe3 h3xg2 f1xg2 h5h4 a2a4 g4g3 a4a5 g3xh2+ Kg1xh2 f4xe3 d2xe3 g5g4
g2g3 g6g5 Kh2g2 h6h5 e1e2 h4xg3 Nh1xg3 h5h4 Ng3f1 f5f4 e3xf4 g5xf4) -0.92/34 194}
2.b4 {(b2b4 Nh7f8 f2f3) +0.95/30 415} d4 {(d5d4 a1a2 Kg7f6 a4a5 e5e4 c2c3 Kf6e6 b1b2
d4xc3 d2xc3 f4f3 b4b5 Nh7f6 c1c2 h4h3 a2a4 h5h4 a5a6 Ke6d6 e2e3 Nf6d7 b2b3 Kd6c5 d1d2
c7c6 b3b4+ Kc5b6 c3c4 c6xb5 c4xb5 f3xg2 f1xg2 h3xg2 Kg1xg2 h4h3+ Kg2g1 Nd7e5 e1e2
Ne5c4) -1.01/35 117} 3.b2 {(b1b2 Kg7f6 c2c3 Kf6e6 c3c4 e5e4 a4a5 Nh7f6 f2f3 g4xf3
e2xf3 e4xf3 Nh1f2 f3xg2 f1xg2 g5g4 Nf2d3 g6g5 a5a6 Ke6d6 b4b5 Nf6d7 Kg1f2 g4g3+ Kf2g1
c7c5 c1c2 Kd6c7 b2b3 Kc7b6 h2h3 b8b7) +0.96/30 227} Kf6 {(Kg7f6 a4a5 h4h3 c2c3 d4xc3
d2xc3 h5h4 a1a2 e5e4 c1c2 Kf6e5 d1d2 Nh7f6 b4b5 f4f3 e2e3 Ke5d6 b2b3 Nf6d7 c3c4 h3xg2
f1xg2 f3xg2 Kg1xg2 Nd7e5 e1e2 f5f4 e3xf4 g5xf4 Kg2f1 h6h5 d2d4 e4xd3/ep c2xd3 g6g5
d3d4 Ne5d7) -0.87/34 128} 4.c3 {(c2c3 Kf6e6 a4a5 d4xc3 d2xc3 Ke6d6 c3c4 e5e4 c1c2
f4f3 d1d2 c7c5 b4b5 h4h3 e2e3 Nh7f8 b2b3 h5h4 a1a2 Nf8d7 g2g3 Kd6e5 d2d3 Ke5d6 a2a3
Kd6c7 b3b4 e4xd3 c2xd3 Kc7d6 b5b6) +0.89/31 191} dxc3 {(d4xc3 d2xc3 e5e4 c1c2 f4f3
a4a5 h4h3 a1a2 Kf6e5 d1d2 Nh7f6 b4b5 h3xg2 f1xg2 h5h4 Kg1f1 f3xg2+ Kf1xg2 f5f4 a5a6
Ke5d6 a2a4 h6h5 b2b3 h4h3+ Kg2g1 Kd6c5 c3c4 Kc5b4 e2e3 h5h4 e1e2 Nf6h5 f2f3 g4g3
f3xe4 f4xe3) -0.91/36 180} 5.dxc3 {(d2xc3 Kf6e6 d1d2 Ke6d6 c3c4 e5e4 c1c2 c7c5 b4b5
f4f3 a4a5 h4h3 b2b3 Nh7f6 a1a2 h5h4 g2g3 Nf6d7 e2xf3 Nd7e5 e1e2 g4xf3 a2a3 Ne5g4
e2e3 Kd6e6 d2d3 e4xd3 c2xd3 Ke6e5) +0.92/29 77} e4 {(e5e4 a1a2 h4h3 a4a5 Kf6e5 c1c2
h5h4 a5a6 h3xg2 f1xg2 Nh7f6 a2a4 f4f3 e2xf3 g4xf3 b4b5 g5g4 e1e2 f3xg2 Kg1xg2 f5f4
d1d2 Nf6d7 d2d4+ e4xd3/ep c2xd3 h6h5 f2f3 g4g3 d3d4+ Ke5d5 h2xg3 h4xg3 e2e3 f4xe3
Nh1xg3 Kd5c4 Ng3e2 Kc4b3) -1.12/37 295} 6.d2 {(d1d2 f4f3 a4a5 Kf6e5 c1c2 Nh7f6 c3c4
h4h3 g2g3 Nf6d7 d2d3 c7c5 b4b5 Ke5d6 e2e3 Nd7e5 e1e2 Kd6d7 a1a2 Kd7c7 a2a3 h5h4 b2b3
e4xd3 c2xd3 Ne5d7 b3b4 Kc7d6 d3d4 c5xd4 e3xd4 Nd7f6 b5b6 Nf6e4 a5a6 Kd6c6 a6a7)
+0.86/33 248} h3 {(h4h3 a4a5 h3xg2 f1xg2 f4f3 a1a2 f5f4 e2xf3 g4xf3 g2xf3 e4xf3 b4b5
Kf6e5 a2a4 Nh7f6 a5a6 Ke5d6 c1c2 g5g4 d2d3 Nf6d5 a4a5 Kd6c5 c3c4 Nd5b4 c2c3 Nb4xd3
b2b4+ Kc5d6 c4c5+ Nd3xc5 b4xc5+ Kd6xc5 c3c4 h5h4 Kg1f1 g6g5 e1e2 h6h5 e2xf3 g4xf3)
-1.00/35 70} 7.gxh3 {(g2xh3 g4xh3 f2f3 g5g4 Nh1f2 Kf6e5 a4a5 Nh7f6 d2d3 g6g5 a1a2 Ke5d5
c1c2 Kd5e6 f3xe4 f5xe4 Nf2xe4 Nf6xe4 d3xe4 Ke6e5 c3c4 Ke5xe4 c2c3 g4g3 a5a6 g3g2
f1f2 f4f3 e2e3 Ke4d3 c4c5 g5g4 b4b5 Kd3e2 b5b6 c7xb6 c5xb6 g4g3 h2xg3 Ke2xe1)
+1.22/31 60} gxh3 {(g4xh3 c1c2 Kf6e5 a4a5 g5g4 c3c4 Nh7f8 a1a2 Ke5d6 c2c3 Nf8e6 b4b5
Ne6c5 b2b4 Nc5a4 c4c5+ Kd6d5 f2f3 e4e3 b5b6 c7xb6 c5xb6 Kd5c4 f1f2 h5h4 f2xe3 f4xe3
b6b7 Kc4b5 c3c4+ Kb5a6 d2xe3 Na4c3 Nh1f2 Nc3xe2+ Kg1f1 g4xf3) -0.98/35 181} 8.f3
{(f2f3 g5g4 Nh1f2 Nh7g5 f3xe4 f5xe4 c3c4 g4g3 Nf2d1 Kf6e5 a4a5 h5h4 a5a6 Ng5e6 b4b5
g6g5 e2e3 g3xh2+ Kg1xh2 g5g4 a1a2 Ke5f5 e3xf4 Ne6xf4 Nd1e3+ Kf5g5 c1c2 g4g3+ Kh2g1
Nf4e6 b2b3 Kg5f4 e1e2 Ne6c5 Ne3d5+ Kf4e5 Nd5e7 h3h2+ Kg1h1 Nc5d7 Ne7g6+ Ke5f5)
+1.27/31 166} g4 {(g5g4 f3xe4 f5xe4 e2e3 g6g5 a4a5 h5h4 f1f2 Kf6f5 b4b5 Nh7f6 c3c4 Nf6d7
e3xf4 g5xf4 e1e2 Kf5e6 b2b3 Ke6d6 c1c2 Kd6c5 c2c3 Kc5d6 a1a2 Nd7e5 Kg1f1 f4f3 e2e3
Kd6c5 Kf1e1 Ne5d3+ Ke1d1 Nd3b2+ Kd1c2 Nb2d3 a2a3 Kc5d6 Kc2d1 Kd6c5 a3a4 Nd3b2+ Kd1c2
Nb2d3 a5a6) -0.43/37 73} 9.Nf2 {(Nh1f2 Nh7g5 f3xe4) +1.30/30 47} Ng5 {(Nh7g5 f3xe4
f5xe4 c3c4 g4g3 Nf2d1 h5h4 a4a5 f4f3 b4b5 f3xe2 f1xe2 Kf6e5 a5a6 Ng5e6 Nd1c3 Ke5d4
e2e3+ Kd4xc4 c1c2 g6g5 h2xg3 h4xg3 Nc3xe4 Kc4xb5 Ne4xg3 Ne6g7 Ng3e4 g5g4 Kg1h2 Ng7e8
Ne4g3 Ne8g7 e3e4 h6h5 Ng3f5 Ng7e6 e4e5 Kb5xa6 c2c4 c7c5 e1e2 Ka6b6 Nf5g3 Ne6g7 e2e3
Kb6c6 Ng3e4) -0.56/35 188} 10.fxe4 {(f3xe4 f5xe4 Nf2d1) +1.48/30 123} fxe4 {(f5xe4
c3c4 g4g3 Nf2d1 h5h4 a4a5 Kf6e5 b4b5 e4e3 d2xe3 f4xe3 Nd1xe3 Ke5d4 f1f2 Ng5e6 h2xg3
h4xg3 Ne3c2+ Kd4xc4 f2xg3 Kc4xb5 Kg1h2 Kb5xa5 Kh2xh3 Ka5b5 Kh3g4 Kb5c4 a1a2 Kc4d5
Kg4f3 h6h5 e2e3 Ne6g5+ Kf3f2 Kd5e4 e1e2 Ng5e6 Nc2b4 b8b7 Nb4d3 g6g5 c1c2) -0.85/31
23} 11.a5 {(a4a5 Kf6e5 c3c4) +1.59/32 380} g3 {(g4g3 Nf2d1 h5h4 c3c4 f4f3 b4b5
f3xe2 f1xe2 Kf6e5 a5a6 Ng5e6 Nd1c3 Ke5d4 e2e3+ Kd4xc4 c1c2 g6g5 b5b6 c7xb6 h2xg3
h4xg3 Nc3xe4 g3g2 Ne4f2 g5g4 Nf2xg4 Kc4b5 e1e2 Ne6g5 d2d3 Ng5f7 e3e4 Kb5xa6 e4e5
Nf7g5 Ng4xh6 Ka6b5 Nh6f5 Kb5c5) -0.72/34 168} 12.Nd1 {(Nf2d1 Ng5f7 c3c4 Nf7e5 Nd1c3
Kf6f5 a5a6 Ne5xc4 Nc3d5 Nc4e5 Nd5xc7 g6g5 Nc7d5 Kf5e6 Nd5c3 Ke6f5 b4b5 Ne5d7 b2b3
h5h4 c1c2 Kf5e5 e2e3 f4xe3 d2xe3 g5g4 h2xg3 h4xg3 Nc3e2 h6h5 Ne2xg3 h5h4 Ng3h5)
+1.74/30 78} h4 {(h5h4 c3c4 f4f3 b4b5 f3xe2 f1xe2 Kf6e5 a5a6 Ng5e6 Nd1c3 Ke5d4 e2e3+
Kd4xc4 c1c2 g6g5 h2xg3 h4xg3 b5b6 c7xb6 Nc3xe4 g5g4 Ne4xg3 Kc4d5 Kg1h2 Kd5e5 d2d4+
Ke5f6 Ng3e4+ Kf6f5 d4d5 Ne6d8 Ne4g3+ Kf5e5 c2c4 Nd8f7 e1e2 Nf7d6 b2b3 Nd6e8 Ng3h5
Ne8d6 a1a2 Nd6e4 Nh5f4 Ne4d2 Kh2g3 Nd2e4+ Kg3xg4) -0.58/35 93} 13.c4 {(c3c4 Kf6e5
a5a6) +1.73/29 84} f3 {(f4f3) -0.92/40 917} 14.e3 {(e2e3 Ng5f7 a5a6) +2.41/34 349}
Nf7 {(Ng5f7) +0.07/34 52} 15.a6 {(a5a6 Nf7e5 f1f2) +1.85/31 52} Ne5 {(Nf7e5 f1f2
g3g2 Nd1c3 g6g5 Nc3xe4+ Kf6f5 Ne4c5 g5g4 d2d4 Ne5xc4 Nc5d7 g4g3 Nd7c5 Nc4d6 a1a2
Nd6c4 a2a4 Nc4d6 Nc5d7 Nd6c4 Nd7c5) 0.00/37 130} 16.f2 {(f1f2 g3g2 Nd1c3) +2.57/33
257} g2 {(g3g2 Nd1c3 Ne5d3 b4b5 Kf6e6 c1c2 Nd3xe1 c4c5 Ke6d7 Nc3xe4 Ne1xc2 c5c6+
Kd7d8 Ne4c5 Nc2b4 d2d4 Nb4d5 Nc5d3 g6g5 Nd3e5 Nd5b6 Ne5xf3 Nb6c4 d4d5 Kd8e7 b2b3
Nc4b6 e3e4 Ke7d6 a1a2 Nb6c8 a2a4 g5g4 Nf3xh4 Kd6e5 Nh4f5 h6h5 d5d6 Nc8xd6 Nf5xd6
Ke5xd6 b3b4 h5h4 a4a5 Kd6e5 b5b6 c7xb6 a5xb6) -1.25/36 110} 17.Nc3 {(Nd1c3 g6g5
Nc3xe4+) +2.66/32 115} g5 {(g6g5 Nc3xe4+ Kf6f5 Ne4c5 g5g4 d2d4 Ne5xc4 c1c2 g4g3 e3e4+
Kf5f4 e4e5 Nc4e3 Nc5d3+ Kf4e4 Nd3c5+ Ke4f4) 0.00/35 58} 18.Nxe4+ {(Nc3xe4+ Kf6e7
Ne4c5 Ne5xc4 c1c2 Ke7d6 d2d3 Nc4e5 d3d4 Ne5c4 b4b5 Kd6e7 Nc5d3 Nc4d6 Nd3e5 Nd6xb5
c2c4 Nb5a7 b2b4 Ke7e6 b4b5 Na7c8 Ne5c6 Nc8b6 Nc6xb8 Nb6xc4 a6a7 Nc4b6 e3e4 g5g4
Nb8c6 h6h5 a1a2 Ke6d7 a2a4 Nb6a8 a4a5 Kd7d6 Nc6e5 Kd6e6) +2.97/30 65} Kf5 {(Kf6f5
Ne4c5 g5g4 d2d4 Ne5xc4 c1c2 g4g3 e3e4+ Kf5f4 e4e5 Nc4e3 Nc5d3+ Kf4e4 Nd3c5+ Ke4f4)
0.00/37 22} 19.Nc5 {(Ne4c5 g5g4 d2d4) +3.40/30 49} g4 {(g5g4 d2d4) -1.64/41 309} 20.d4
{(d2d4 Ne5xc4 a1a2) +4.16/31 48} Nxc4 {(Ne5xc4 a1a2 Nc4d6 a2a4 h6h5 b4b5 g4g3 Nc5d7
Nd6c4 Nd7e5 Nc4xe3 Ne5xf3 g3xf2+ Kg1xf2 Ne3g4+ Kf2g1 Ng4e3 e1e2 Kf5e4 Nf3g5+ Ke4xd4
Ng5xh3 Kd4c5 Kg1f2 Ne3d5 e2e4 Nd5f6 Nh3g5 h4h3 c1c2 Kc5b4 b2b3 Kb4c3 Ng5xh3 Nf6xe4+
Kf2xg2) -2.37/31 16} 21.a2 {(a1a2 Nc4b6 a2a4) +3.65/31 61} Nd6 {(Nc4d6 a2a4 g4g3 b4b5
h6h5 Nc5d7 Nd6c4 Nd7e5 Nc4xe3 Ne5xf3 Kf5f4 Nf3xh4 g3xf2+ Kg1xf2 Ne3g4+ Kf2g1 Ng4f6
a4a5 Nf6d5 Kg1f2 g2g1R Kf2xg1 Kf4e3 e1e2 Ke3xd4 Kg1f2 Kd4c5 b5b6 c7xb6 a5xb6 Kc5xb6
Kf2g3 Nd5e7 Kg3xh3 Kb6xa6 e2e4 Ka6b5 Kh3g3 Kb5c4 Kg3f4 b8b7 c1c2 b7b5 Nh4f5 Ne7c6
Kf4g5 b5b4 h2h4 b4b3 c2xb3+ Kc4xb3) -2.85/42 273} 22.a4 {(a2a4 Nd6c4 Nc5d7) +4.36/33
95} h5 {(h6h5 b4b5 g4g3 Nc5d3 Nd6c4 Nd3e5 Nc4xe3 Ne5xf3 Ne3c2 e1e2 Kf5e4 a4a5 Ke4d5
f2xg3 h4xg3 h2xg3 Nc2e3 b5b6 c7xb6 a5xb6 Kd5c6 Nf3g5 h3h2+ Kg1xh2 Kc6xb6 Ng5e6 Kb6xa6
Ne6f4 Ka6b5 Nf4xg2 Ne3f5 d4d5 Kb5c5 Ng2f4 Nf5e3 Kh2h3 Kc5d6 Nf4xh5 Ne3xd5 g3g4 Kd6e5
Kh3g3 Ke5e4 Kg3h4 Nd5e7 Kh4g5 Ke4e3 Kg5f6 Ne7d5+ Kf6e5 Nd5e7 Ke5e6 Ne7c8 g4g5 Ke3xe2)
-3.20/41 219} 23.b5 {(b4b5 g4g3 Nc5b3) +6.03/33 120} Nf7 {(Nd6f7 Nc5d3 Kf5e4 c1c2 Nf7d6
Nd3c5+ Ke4f5 a4a5 Nd6xb5 Nc5d7 Nb5a7 Nd7xb8 Kf5e4 Nb8d7 Ke4d5 Nd7f6+ Kd5c4 Nf6xh5 c7c5
Nh5f6 c5xd4 Nf6xg4 d4xe3 Ng4e5+ Kc4b5 Ne5xf3 Kb5xa6 Nf3g5 Na7c6 Ng5xh3 Nc6b4 c2c3
Nb4d3 Kg1xg2 Ka6xa5 e1e2 Ka5b5 b2b4 Nd3e1+ Kg2f1 e3xf2 Nh3xf2 Ne1c2 Nf2e4 Kb5c4 Kf1f2
Nc2a3 Ne4d6+ Kc4d5 Nd6f5) -3.36/41 279} 24.e4+ {(e3e4+ Kf5f4 a4a5 g4g3 b5b6 g3xh2+
Kg1xh2 c7xb6 Nc5e6+ Kf4xe4 a5xb6 Nf7h6 Ne6g5+ Ke4d5 a6a7 Nh6g4+ Kh2xh3 b8xa7 b6xa7
g2g1Q a7a8Q+ Kd5d6 Ng5e4+ Kd6e7 Qa8b7+ Ke7d8 Qb7d5+ Kd8c8 Qd5xh5 Ng4xf2+ e1xf2 Qg1f1+
Kh3g4 Qf1g1+ Kg4xh4 Qg1xc1 Qh5e8+ Kc8c7 Qe8e7+ Kc7b8 Qe7b4+ Kb8a7 Qb4c5+ Qc1xc5 d4xc5
Ka7a6 Kh4g4 Ka6b7 Kg4g3 Kb7c6 Kg3xf3 Kc6d5 Kf3e3 Kd5c6 f2f4 Kc6c7 f4f5 Kc7d7 f5f6
Kd7d8 f6f7) +10.83/35 264} Kf4 {(Kf5f4 a4a5 Nf7h6 b5b6 g4g3 Nc5e6+ Kf4xe4 f2xg3 c7xb6
a5xb6 h4xg3 h2xg3 Nh6g4 Ne6g5+ Ke4d5 Ng5xf3 Kd5c6 Nf3g5 Kc6xb6 Ng5xh3 Kb6a7 e1e2 b8b7
c1c2 Ng4e3 Nh3f4 b7xa6 Nf4xg2 Ne3xc2 e2e3 Ka7b6 Kg1f2 Kb6b5 Ng2f4 Kb5c4 Kf2f3 a6a5
Nf4xh5 a5a4 Nh5f4 Kc4b3 Nf4d3 Nc2b4 Nd3c5+ Kb3xb2 Nc5xa4+ Kb2b3 Na4c5+ Kb3c4 Kf3e4
Nb4c2 g3g4) -3.25/37 64} 25.a5 {(a4a5 g4g3 b5b6 g3xh2+ Kg1xh2 c7xb6 Nc5e6+ Kf4xe4
a5xb6 Nf7h6 Ne6g5+ Ke4d5 a6a7 Nh6g4+ Kh2xh3 b8xa7 b6xa7 g2g1Q a7a8Q+ Kd5d6 Ng5e4+
Kd6e7 Qa8b7+ Ke7e6 Kh3xh4 Ng4f6 Qb7c8+ Ke6e7 Qc8c5+ Ke7f7 Qc5f5 Qg1g4+ Qf5xg4 Nf6xg4
Kh4xh5 Ng4e5 d4xe5 Kf7e6 Kh5g4 Ke6xe5 Ne4c5 Ke5d5 Kg4xf3 Kd5xc5 Kf3g4 Kc5d6 f2f4 Kd6e7
Kg4g5 Ke7e6 Kg5g6 Ke6d6 f4f5 Kd6d7 Kg6g7 Kd7c6 f5f6 Kc6d7 f6f7 Kd7d6 f7f8Q+ Kd6c6)
+13.75/33 45} Nh6 {(Nf7h6 b5b6 c7xb6 Nc5e6+ Kf4xe4 a5xb6 g4g3 f2xg3 h4xg3 h2xg3 Nh6g4
Ne6g5+ Ke4d5 Ng5xf3 Kd5c6 Nf3g5 Kc6xb6 Ng5xh3 Kb6a7 e1e2 b8b7 c1c2 Ng4e3 Nh3f4 b7xa6
Nf4xg2 Ne3f5 c2c3 Nf5xg3 Kg1f2 Ng3e4+ Kf2e3 Ne4g3 Ke3f3 Ng3f1 e2e4 Ka7b6 Kf3f4 Kb6c7
e4e5 Kc7d7 Kf4g5 Nf1g3 Ng2f4 a6a5 d4d5 Ng3e4+ Kg5xh5 Ne4c5) -4.05/41 160} 26.b6
{(b5b6 c7xb6) +12.45/34 429} cxb6 {(c7xb6 a5xb6 g4g3 Nc5e6+ Kf4xe4 h2xg3 h4xg3 f2xg3
Nh6g4 Ne6g5+ Ke4d5 Ng5xf3 Kd5c6 Nf3g5 Kc6xb6 Ng5xh3 Ng4e3 e1e2 Ne3c2 Nh3f4 Nc2xd4
Kg1xg2 b8b7 a6a7 Kb6xa7 Nf4xh5 Nd4xe2 g3g4 Ne2d4 g4g5 Nd4f5 Kg2f3 Nf5e7 Kf3e4 Ka7b6
Ke4e5 Kb6c6 Ke5e6 Ne7g6 Ke6f6 Ng6h4 Nh5f4 Kc6d6 c1c2 Kd6c5 g5g6 Nh4xg6 Kf6xg6 Kc5c6
Kg6f5 Kc6d6 Kf5e4) -4.39/42 155} 27.Ne6+ {(Nc5e6+ Kf4xe4 a5xb6 g4g3 Ne6g5+ Ke4d5 a6a7
g3xh2+ Kg1xh2 b8xa7 b6xa7 Nh6g4+ Kh2xh3 g2g1Q a7a8Q+ Kd5d6 Ng5e4+ Kd6e7 Qa8b7+ Ke7d8
Qb7b8+ Kd8d7 Qb8b5+ Kd7c8 Qb5xh5 Ng4xf2+ e1xf2 Qg1h1+ Kh3g4 Qh1g1+ Kg4xh4 Qg1xc1
Qh5e8+ Kc8c7 Qe8e5+ Kc7c8 Qe5c5+ Qc1xc5 d4xc5 Kc8b7 Kh4g3 Kb7c6 Kg3xf3 Kc6b7 Kf3f4
Kb7c6 Kf4e5 Kc6b5 f2f4 Kb5c4 c5c6 Kc4b3 c6c7 Kb3xb2 f4f5 Kb2b3 f5f6 Kb3c2 c7c8Q+)
+12.33/32 249} Kxe4 {(Kf4xe4 a5xb6) +1.24/1} 28.axb6 {(a5xb6 g4g3 Ne6g5+ Ke4d5 a6a7
g3xh2+ Kg1xh2 Nh6g4+ Kh2xh3 b8xa7 b6xa7 g2g1Q a7a8Q+ Kd5c4 Qa8a4+ Kc4d5 Qa4b5+ Kd5d6
Ng5e4+ Kd6c7 Qb5c5+ Kc7b8 Qc5xh5 Ng4e3 Qh5e8+ Kb8c7 Qe8e5+ Kc7c8 Qe5e6+ Kc8d8 Qe6d6+
Kd8c8 Qd6f8+ Kc8c7 Qf8e7+ Kc7b8 Qe7b4+ Kb8c7 Qb4c3+ Kc7b6 Qc3xe3 Qg1g8 Qe3h6+ Kb6a5
Qh6g5+ Qg8xg5 Ne4xg5 Ka5b4 Kh3xh4 Kb4b3 d4d5 Kb3c2 d5d6 Kc2xc1 d6d7 Kc1xb2 Ng5xf3
Kb2c3 d7d8Q) +14.48/33 61} g3 {(g4g3 f2xg3) -4.73/43 153} 29.Ng5+ {(Ne6g5+ Ke4d5 a6a7
g3xh2+ Kg1xh2 Nh6g4+ Kh2xh3 b8xa7 b6xa7 g2g1Q a7a8Q+ Kd5d6 Ng5e4+ Kd6e7 Qa8b7+ Ke7e6
Kh3xh4 Ng4h6 Qb7c6+ Ke6e7 Qc6f6+ Ke7e8 Qf6e6+ Ke8d8 Kh4xh5 Qg1h2+ Kh5g6 Qh2f4 Qe6b6+
Kd8c8 Qb6c6+ Kc8d8 Qc6f6+ Qf4xf6+ Ne4xf6 Kd8e7 Kg6xh6 Ke7xf6 Kh6h5 Kf6e6 b2b4 Ke6d6
b4b5 Kd6d5 Kh5g4 Kd5d6 Kg4f4 Kd6e6 Kf4xf3 Ke6d7 d4d5 Kd7d6 b5b6 Kd6d7 Kf3e4 Kd7c8
d5d6 Kc8d7 b6b7 Kd7xd6 b7b8Q+ Kd6e7 Ke4f3) +14.61/31 120} Kd5 {(Ke4d5 Ng5xh3)
-3.19/39 98} 30.a7 {(a6a7 g3xh2+ Kg1xh2 Nh6g4+ Kh2xh3 b8xa7 b6xa7 g2g1Q a7a8Q+ Kd5d6
Ng5e4+ Kd6e7 Qa8b7+ Ke7e6 Kh3xh4 Ng4f6 Qb7c8+ Ke6e7 Qc8c5+ Ke7f7 Qc5f5 Qg1g4+ Qf5xg4
Nf6xg4 Kh4xh5 Ng4h2 d4d5 Kf7g7 Kh5g5 Nh2f1 Kg5g4 Kg7g6 Ne4g5 Nf1h2+ Kg4f4 Kg6g7 d5d6
Kg7f6 Kf4g3 Kf6xg5 d6d7 Nh2g4 d7d8Q+ Ng4f6 Kg3xf3 Kg5g6 Qd8d2 Kg6f7 b2b4 Kf7e7 b4b5)
+13.10/29 48} gxh2+ {(g3xh2+ Kg1xh2 Nh6g4+ Kh2xh3 b8xa7 b6xa7 g2g1Q a7a8Q+ Kd5d6 Ng5e4+
Kd6e7 Qa8b7+ Ke7e6 Kh3xh4 Ng4h6 Ne4g5+ Ke6d6 Qb7a6+ Kd6d7 Qa6e6+ Kd7c7 Kh4xh5 Qg1h1+
Kh5g6 Qh1h4 Qe6e5+ Kc7d7 Ng5e4 Qh4h3 Qe5d6+ Kd7c8 Ne4g5 Qh3d7 Qd6xd7+ Kc8xd7 Kg6xh6
Kd7d6 Ng5xf3 Kd6e6 Kh6g6 Ke6d5 Kg6f5 Kd5c4 c1c2 Kc4d5 Kf5f4 Kd5c6 Kf4g4 Kc6b5 Kg4g5
Kb5b6 Kg5f6 Kb6c6) -8.47/35 144} 31.Kxh2 {(Kg1xh2 Nh6g4+ Kh2xh3 b8xa7 b6xa7 g2g1Q)
+14.66/5} bxa7 {(b8xa7 b6xa7) -14.00/36 191} 32.bxa7 {(b6xa7 Nh6g4+ Kh2xh3 g2g1Q a7a8Q+
Kd5d6 Ng5e4+ Kd6c7 Qa8a7+ Kc7c8 Qa7c5+ Kc8b8 Qc5xh5 Ng4e3 Qh5e5+ Kb8c8 Qe5e8+ Kc8c7
Qe8e7+ Kc7b6 Qe7c5+ Kb6a6 Qc5c6+ Ka6a7 Qc6a4+ Ka7b6 Qa4b4+ Kb6a7 Qb4a3+ Ka7b6 Qa3xe3
Qg1h1+ Kh3g4 Qh1g1+ Kg4xh4 Qg1h1+ Kh4g4 Qh1g1+ Ne4g3 Kb6a6 Qe3e6+ Ka6b5 Qe6b3+ Kb5a5
Qb3c3+ Ka5a6 Qc3e3 Qg1g2 Qe3e6+ Ka6b5 Qe6d7+ Kb5a6 Qd7c8+ Ka6b6 Qc8b8+ Kb6a6 Qb8d6+
Ka6b5 Qd6c5+ Kb5a6 Qc5c6+ Ka6a5) +14.65/29 267} Ng4+ {(Nh6g4+ Kh2xh3) -41.88/37 205}
33.Kxh3 {(Kh2xh3 g2g1Q a7a8Q+ Kd5d6 Ng5e4+ Kd6c7 Qa8a7+ Kc7c8 Qa7c5+ Kc8b8 Qc5xh5 Ng4e3
Qh5e5+ Kb8c8 Qe5e8+ Kc8c7 Qe8e7+ Kc7b8 Qe7b4+ Kb8a7 Qb4a3+ Ka7b6 Qa3xe3 Qg1h1+ Kh3g4
Qh1g1+ Kg4xh4 Qg1g8 Qe3h6+ Kb6b5 Qh6g5+ Qg8xg5+ Ne4xg5 Kb5c6 Ng5e6 Kc6d5 Kh4g4 Kd5e4
Kg4g3 Ke4d3 d4d5 Kd3c2 d5d6 Kc2xc1 d6d7 Kc1xb2 d7d8Q Kb2c3 Kg3h4 Kc3c4 Kh4g4)
+14.87/30 83} g1=Q {(g2g1Q a7a8Q+ Kd5d6 Ng5e4+ Kd6e7 Qa8b7+ Ke7e6 Kh3xh4 Ng4f6 Qb7c8+
Ke6e7 Qc8c5+ Ke7f7 Qc5f5 Qg1g4+ Qf5xg4 Nf6xg4 Kh4xh5 Ng4h2 c1c2 Kf7e6 c2c4 Ke6f5
Ne4g3+ Kf5f4 c4c5 Nh2g4 c5c6 Ng4xf2 c6c7 Nf2d3 c7c8Q Kf4xg3 Qc8g4+ Kg3h2 Qg4xf3 Nd3xe1
Qf3f2+ Ne1g2 Qf2xg2+ Kh2xg2 d4d5 Kg2f3 d5d6 Kf3e3 d6d7 Ke3d4 d7d8Q+ Kd4c4 Kh5g4 Kc4c5
Qd8a5+ Kc5c4 Kg4f5 Kc4b3 Qa5c3+ Kb3a2 Kf5e4 Ka2b1 Ke4d3 Kb1a2) -52.27/32 12} {1-0
Arena Adjudication} 1-0[/pgn]

Komodo won as White. The final position:
[d]8/P7/8/3k2Np/3P2np/5p1K/1P3P2/2P1P1q1 b - - 0 34

[Laskos]

One more thing to note about this game is that before promotions, which usually occur just in the late endgame, it contains no gliders. Gliders bug me in regular Chess, I cannot seem to grasp the whole board. I presume that this game is easier for humans, who on local tactics are doing better, and strategically are much stronger than in tactics. I would not be surprised if before engines, some strong human can show how to play this game, and maybe even solve it in a verdict "White win" or viceversa.

Another thing to note is the historical accuracy not only of the starting position, but in gameplay, with Theban and Spartan wing unablacedencess playing a crucial role, like Pelopidas and Epaminondas planned for. Similar problems occur to that which occurred to the commanders on the field.

[Ferdy]

One more thing to note about this game is that before promotions, which usually occur just in the late endgame, it contains no gliders. Gliders bug me in regular Chess, I cannot seem to grasp the whole board. I presume that this game is easier for humans, who on local tactics are doing better, and strategically are much stronger than in tactics. I would not be surprised if before engines, some strong human can show how to play this game, and maybe even solve it in a verdict "White win" or viceversa.

Another thing to note is the historical accuracy not only of the starting position, but in gameplay, with Theban and Spartan wing unablacedencess playing a crucial role, like Pelopidas and Epaminondas planned for. Similar problems occur to that which occurred to the commanders on the field.

It seems like white has to resist the king-side attack without the king running away from the king-side, and black would also try to hold the passer of white in queen-side. A massive pawn storm from black is dangerous but white king has to stand on its position to block those storming pawns.

[Laskos]

One more thing to note about this game is that before promotions, which usually occur just in the late endgame, it contains no gliders. Gliders bug me in regular Chess, I cannot seem to grasp the whole board. I presume that this game is easier for humans, who on local tactics are doing better, and strategically are much stronger than in tactics. I would not be surprised if before engines, some strong human can show how to play this game, and maybe even solve it in a verdict "White win" or viceversa.

Another thing to note is the historical accuracy not only of the starting position, but in gameplay, with Theban and Spartan wing unablacedencess playing a crucial role, like Pelopidas and Epaminondas planned for. Similar problems occur to that which occurred to the commanders on the field.

It seems like white has to resist the king-side attack without the king running away from the king-side, and black would also try to hold the passer of white in queen-side. A massive pawn storm from black is dangerous but white king has to stand on its position to block those storming pawns.

Yes, and here is another example, this time in faster game:

After Black pawn storm on King-side and attack on the King, White has to give up its Knight in order to avoid being checkmated:

[d]1p6/2p5/3pnkp1/P3p2p/1P3p2/2P1PPp1/2PP2K1/PP1P3N w - - 0 10

FEN: 1p6/2p5/3pnkp1/P3p2p/1P3p2/2P1PPp1/2PP2K1/PP1P3N w - - 0 10

Komodo 10.4:
26/40- 03:56 87.302.788 370.176 -0.77 Nh1xg3 f4xg3 Kg2xg3 e5e4 f3xe4 Kf6g5 d2d4 h5h4+ Kg3f2 Kg5g4 d1d2 Ne6g5 e4e5 Ng5e4+ Kf2g2 d6xe5 d4xe5 Kg4f5 Kg2h3 Ne4xd2 Kh3xh4 Nd2xb1 e5e6 Kf5xe6 Kh4g5 Nb1xc3 Kg5xg6 Nc3d5
26/40- 03:57 89.754.960 379.709 -0.83 Nh1xg3 f4xg3 Kg2xg3 e5e4 f3xe4 Kf6g5 d2d4 h5h4+ Kg3f2 Kg5g4 d1d2 h4h3 a5a6 Ne6g5 d2d3 Ng5f3 c3c4 g6g5 c4c5 Nf3h4 Kf2g1 Kg4g3 Kg1h1 d6xc5 b4xc5 g5g4 d4d5 Kg3f2 d5d6 g4g3
26/40- 03:58 95.906.776 403.532 -0.93 Nh1xg3 f4xg3 Kg2xg3 e5e4 f3xe4 Kf6g5 d2d4 h5h4+ Kg3f2 Kg5g4 d1d2 h4h3 c3c4 Ne6g5 d2d3 Ng5f3 c4c5 g6g5 c5xd6 c7xd6 b4b5 Nf3e1 Kf2g1 Kg4g3 Kg1h1 Ne1f3 a5a6 g5g4 c2c4 Kg3f2
26/40- 04:01 109.521.925 455.402 -1.06 Nh1xg3 f4xg3 Kg2xg3 e5e4 f3xe4 Kf6g5 d2d4 h5h4+ Kg3f2 Kg5g4 d1d2 h4h3 d2d3 g6g5 a5a6 Kg4h4 d4d5 Ne6f8 Kf2g1 g5g4 d3d4 Nf8d7 b4b5 Nd7f6
26/40 04:02 114.179.161 472.732 -1.06 Nh1xg3 f4xg3 Kg2xg3 e5e4 f3xe4 Kf6g5 d2d4 h5h4+ Kg3f2 Kg5g4 d1d2 h4h3 d2d3 g6g5 c3c4 Kg4h4 d4d5 Ne6f8 Kf2g1 Nf8d7 d3d4 g5g4 c4c5 Nd7f6 c5xd6 c7xd6 e4e5 d6xe5
27/40- 04:07 139.337.418 564.731 -1.13 Nh1xg3 f4xg3 Kg2xg3 e5e4 f3xe4 Kf6g5 d2d4 h5h4+ Kg3f2 Kg5g4 d1d2 h4h3 d2d3 g6g5 c3c4 Kg4h4 d4d5 Ne6f8 Kf2g1 Nf8d7 d3d4 g5g4 c4c5 Nd7f6 c5xd6 c7xd6 e4e5 d6xe5
27/40- 04:11 159.661.270 636.486 -1.19 Nh1xg3 f4xg3 Kg2xg3 e5e4 f3xe4 Kf6g5 d2d4 h5h4+ Kg3f2 Kg5g4 d1d2 h4h3 d2d3 g6g5 d4d5 Ne6f8 Kf2g1 Nf8g6 b4b5 Kg4g3 a5a6 Ng6e5 Kg1h1 Ne5f3 c3c4 g5g4 a1a2 Kg3f2
27/40 04:13 165.924.464 657.960 -1.19 Nh1xg3 f4xg3 Kg2xg3 e5e4 f3xe4 Kf6g5 d2d4 h5h4+ Kg3f2 Kg5g4 d1d2 Ne6g5 d2d3 Ng5f3 c3c4 h4h3 c4c5 g6g5 e4e5 d6xe5 d4d5 h3h2 Kf2g2 h2h1B+ Kg2xh1 Kg4h3 d5d6 c7xd6 c5xd6 g5g4 a1a2 g4g3
28/40- 04:19 197.205.280 762.473 -1.25 Nh1xg3 f4xg3 Kg2xg3 e5e4 f3xe4 Kf6g5 d2d4 h5h4+ Kg3f2 Kg5g4 d1d2 Ne6g5 d2d3 Ng5f3 c3c4 h4h3 c4c5 g6g5 e4e5 d6xe5 d4d5 h3h2 Kf2g2 h2h1B+ Kg2xh1 Kg4h3 d5d6 c7xd6 c5xd6 g5g4 a1a2 g4g3
28/40+ 04:20 203.888.408 784.403 -1.13 Nh1xg3 f4xg3 Kg2xg3 e5e4 f3xe4 Kf6g5 d2d4 h5h4+ Kg3f2 Kg5g4 d1d2 Ne6g5 d2d3 Ng5f3 c3c4 h4h3 c4c5 g6g5 e4e5 d6xe5 d4d5 h3h2 Kf2g2 h2h1B+ Kg2xh1 Kg4h3 d5d6 c7xd6 c5c6 g5g4 c6c7 b8xc7 a5a6
28/40+ 04:22 211.689.516 809.811 -1.03 Nh1xg3 f4xg3 Kg2xg3 e5e4 f3xe4 Kf6g5 d2d4 h5h4+ Kg3f2 Kg5g4 d1d2 Ne6g5 d2d3 Ng5f3 c3c4 h4h3 c4c5 g6g5 e4e5 d6xe5 d4d5 h3h2 Kf2g2 h2h1B+ Kg2xh1 Kg4h3 d5d6 c7xd6 c5c6 g5g4 c6c7 b8xc7 a5a6
28/40 04:22 214.315.220 818.121 -1.08 Nh1xg3 f4xg3 Kg2xg3 e5e4 f3xe4 Kf6g5 d2d4 h5h4+ Kg3f2 Kg5g4 d1d2 Ne6g5 d2d3 Ng5f3 c3c4 h4h3 c4c5 g6g5 b4b5 d6xc5 d4xc5 Nf3e1 Kf2g1 Kg4h4 b5b6 c7xb6 a5xb6 g5g4 d3d4 Ne1f3+ Kg1f2 Nf3d2
29/40- 04:27 235.718.252 884.489 -1.14 Nh1xg3 f4xg3 Kg2xg3 e5e4 f3xe4 Kf6g5 d2d4 h5h4+ Kg3f2 Kg5g4 d1d2 Ne6g5 d2d3 Ng5f3 c3c4 h4h3 c4c5 g6g5 b4b5 d6xc5 d4xc5 Nf3e1 Kf2g1 Kg4h4 b5b6 c7xb6 a5xb6 g5g4 d3d4 Ne1f3+ Kg1f2 Nf3d2
29/40- 04:29 243.125.249 907.237 -1.20 Nh1xg3 f4xg3 Kg2xg3 e5e4 f3xe4 Kf6g5 d2d4 h5h4+ Kg3f2 Kg5g4 d1d2 Ne6g5 d2d3 Ng5f3 b4b5 h4h3 a5a6 g6g5 c3c4 Nf3h4 Kf2g1 Kg4g3 c4c5 Nh4f3+ Kg1h1 g5g4 b5b6 Kg3f2 b6xc7 g4g3
29/40- 04:34 271.530.627 991.841 -1.30 Nh1xg3 f4xg3 Kg2xg3 e5e4 f3xe4 Kf6g5 d2d4 h5h4+ Kg3f2 Kg5g4 d1d2 Ne6g5 d2d3 Ng5f3 b4b5 h4h3 c3c4 Nf3e1 Kf2g1 Kg4g3 c4c5 d6xc5 d4xc5 Ne1f3+ Kg1h1 Nf3e5 b5b6 c7xb6 a5xb6 Ne5g4
29/44 04:42 310.776.242 1.102.598 -1.32 Nh1xg3 f4xg3 Kg2xg3 e5e4 f3xe4 Kf6g5 d2d4 h5h4+ Kg3f2 Kg5g4 d1d2 Ne6g5 d2d3 Ng5f3 c3c4 h4h3 c4c5 g6g5 e4e5 d6xe5 d4d5 h3h2 Kf2g2 h2h1B+ Kg2xh1 Kg4h3 d5d6 c7xd6 c5c6 g5g4 c6c7 b8xc7 c2c3 g4g3
30/44- 04:57 382.409.006 1.290.714 -1.38 Nh1xg3 f4xg3 Kg2xg3 e5e4 f3xe4 Kf6g5 d2d4 h5h4+ Kg3f2 Kg5g4 d1d2 Ne6g5 d2d3 Ng5f3 c3c4 h4h3 c4c5 g6g5 e4e5 d6xe5 d4d5 h3h2 Kf2g2 h2h1B+ Kg2xh1 Kg4h3 d5d6 c7xd6 c5c6 g5g4 c6c7 b8xc7 c2c3 g4g3
30/44- 05:09 450.532.227 1.460.822 -1.44 Nh1xg3 f4xg3 Kg2xg3 e5e4 f3xe4 Kf6g5 d2d4 h5h4+ Kg3f2 Kg5g4 d1d2 Ne6g5 e4e5 Ng5e4+ Kf2g2 h4h3+ Kg2h2 Ne4g5 d2d3 Ng5f3+ Kh2h1 d6xe5 b4b5 Kg4g3 a5a6 g6g5 b5b6 c7xb6 d4d5
30/44 05:32 576.757.229 1.741.033 -1.44 Nh1xg3 f4xg3 Kg2xg3 e5e4 f3f4 g6g5 a1a2 g5xf4+ e3xf4 Kf6f5 b4b5 Ne6xf4 Kg3h4 Kf5g6 a2a4 Kg6h6 a5a6 Nf4g6+ Kh4g3 Ng6e5 Kg3f4 Ne5c4 a4a5 Nc4xa5 Kf4xe4 Na5c4 Ke4f4 Nc4b2 Kf4f5 Nb2xd1 Kf5f4 Kh6g6 Kf4f3 Kg6g5 Kf3e2 Nd1b2



So, there are resource for Black onslaught, if White does little to prevent it on the King-side. One of the wings can become irrelevant, and generally there is a competition between each's strong side.

[Laskos]

Shortly:
I proposed possibly a viable game, which uses mostly the rules and pieces of standard chess, as much as chess engines like Stockfish and Komodo can play it.
(2011) http://www.talkchess.com/forum/viewtopic.php?t=40990
(2014) http://www.talkchess.com/forum/viewtopic.php?t=52277

Basically I change the starting position and the starting set of pieces, the rest being the same (almost, there are rules for first rank pawns). Many engines will refuse to play with pawns on the first rank or with more than 8 pawns, but there are _chess_ engines which do play this game, most of top engines (Houdini is a notable exception), although they are not built and tuned to play it. Also, the starting position is not legal in regular chess.

The starting position is:
[D]1p6/2p3kn/3p2pp/4pppp/5ppp/8/PPPPPPPP/PPPPPPKN w - - 0 0[/D]

Spartans are white, in their standard formation, having the King (always on the right wing in Sparta), a Knight (Hippeis), and 14 pawns, a homogenous phalanx. (Note an inaccuracy in "Spartan Chess", Spartans never had both Kings in a field battle.)

Thebans are black, in their formation of Pelopidas and Epaminondas against the Spartans. The King and the Knight (Sacred Band) are on the left flank, the 12 pawns are forming a deep column opposing the Spartan King, and the phalanx in echelon formation.

These two formations are pretty historically accurate, with Thebans in numerical inferiority (12 pawns against 14).

Rules, pieces and moves are all the same as in the standard chess (aside first rank pawns, which are illegal in regular chess).

Championship results 2014 and 2016 played in my garage were won by Stockfish. This year, the clear winner is Komodo 10.4. Also, this year, two new top engines can participate, as they now accept this variant, Deep Shredder 13 and Fire 5.

60'' + 0.6'' time control (STC):

Code: Select all

   # PLAYER                      : RATING  ERROR    POINTS  PLAYED     (%)   CFS(next)
   
   1 Komodo 10.4 64-bit          : 2724.6   34.3     319.0     400    79.8     100    
   
   2 Fire 5 x64                  : 2582.5   30.1     248.0     400    62.0      74    
   3 Stockfish 100517 64 BMI2    : 2568.3   29.2     240.0     400    60.0      97    
   4 Andscacs 0.91n              : 2527.4   28.8     216.5     400    54.1      96    
   5 Deep Shredder 13 x64        : 2488.1   29.0     193.5     400    48.4      91    
   6 Hakkapeliitta TCEC          : 2458.0   31.0     176.0     400    44.0      78    
   7 DiscoCheck 5.2.1            : 2439.8   30.1     165.5     400    41.4      89    
   8 Cheng 4.39                  : 2411.6   29.8     149.5     400    37.4     100    
   9 Quazar 0.4 x64              : 2299.7   34.5      92.0     400    23.0     ---    

White performance = 51.5%
White advantage = 13.17 +/- 8.10
Draw rate (equal opponents) = 16.31 % +/- 0.92

600'' + 6'' time control (LTC):

Code: Select all

   # PLAYER                      : RATING  ERROR    POINTS  PLAYED     (%)   CFS(next)

   1 Komodo 10.4 64-bit          : 2746.3   56.2     130.5     160    81.6     100    

   2 Stockfish 100517 64 BMI2    : 2605.5   49.6     104.0     160    65.0      80    
   3 Fire 5 x64                  : 2575.5   48.1      97.5     160    60.9      84    
   4 Andscacs 0.91n              : 2539.7   47.1      89.5     160    55.9      88    
   5 Deep Shredder 13 x64        : 2498.0   46.9      80.0     160    50.0      95    
   6 Hakkapeliitta TCEC          : 2441.0   48.4      67.0     160    41.9      89    
   7 Cheng 4.39                  : 2393.6   50.4      56.5     160    35.3      70    
   8 DiscoCheck 5.2.1            : 2374.9   47.7      52.5     160    32.8      91    
   9 Quazar 0.4 x64              : 2325.7   51.0      42.5     160    26.6     ---    

White performance = 52.2%
White advantage = 20.10 +/- 13.44
Draw rate (equal opponents) = 18.21 % +/- 1.59

Previously, in 2014 and 2016, the title was won by Stockfish. To remark good performance of Komodo, Andscacs and Hakkapeliitta. For this yest I built an opening book of several hundreds openings (I can upload the EPD file if some want it). The game is balanced White-Black, with very few Draws. The scaling with 10x increase in time control doesn't indicate that the game may become unbalanced or that the draw rate goes much higher with time control. The ratings don't compress. To very high depths Komodo 10.4 seems to give high diminishing advantage for White of 0.88. It seems Komodo 10.4 to depth 42 (about 7 hours on an i7 4 core machine) doesn't solve this game or goes to some extreme, it is not that easy for engines.

Code: Select all

info depth 40 time 14597119 nodes 123504350119 score cp 91 nps 8460871 hashfull 972 tbhits 0 pv a2a4 g7f6 b2b4 c7c5 b4b5 f6e6 c2c4 d6d5 d2d3 h7f6 a4a5 e5e4 b1b2 e4d3 e2d3 f4f3 h2h3 f6d7 e1e2 e6e5 b2b3 g4h3 g2f3 g5g4 g1h2 d5d4 f3g4 h5g4 f2f3 d7f8 a5a6 f8d7 f1f2 h6h5 a1a2 e5f4 a2a3 f4e5 a3a4 e5f4 a4a5 d7f6

info depth 41 time 18758287 nodes 159858269066 score cp 92 nps 8522007 hashfull 972 tbhits 0 pv b2b4 g7f6 b1b2 c7c5 c2c3 c5b4 c3b4 d6d5 c1c2 h7f8 c2c3 f8e6 a2a4 f6e7 d2d3 e7d6 a1a2 f4f3 e2e3 h4h3 a4a5 h5h4 e1e2 e5e4 d3d4 e6c7 a2a4 c7e8 b4b5 d6c7 b2b3 e8f6 c3c4 h3g2 f1g2 f3e2 d1e2 f5f4 e3f4 g5f4 g1f1 h4h3 g2h3 d5c4 b3c4

info depth 42 time 23883486 nodes 205241855258 score cp 88 nps 8593462 hashfull 972 tbhits 0 pv b2b4 g7f6 b1b2 c7c5 b4c5 d6c5 c2c3 f6e6 a2a4 e6d5 b2b3 h7f6 c3c4 d5d6 c1c2 f6d7 d2d3 b8b7 a1a2 d7b8 c2c3 b8c6 f2f3 g4g3 e2e4 f5e4 d3e4 g3h2 g1h2 g5g4 d1d2 g6g5 e1e2 d6e6 h2g1 g4g3 f1f2 e6d6 d2d3 g5g4 g1f1 b7b6 f2g3 h4g3 f1e1 g4f3 e2f3 h5h4

New engines, new champion, again Stockfish, and pretty decisively so. First I ran a RR of 4500 games between top 10 engines admitting Theban variant at STC (10'' +0.1'') It was used as rating list and to decide the two finalists. As before, the two finalists were Komodo (11.2.2) and Stockfish (260817 64 BMI2). The final of 100 games at LTC (10 minutes + 6 seconds increment) between the two was a categorical win for Stockfish:
+54 -26 =20

Here is the brand new rating list and stats at STC 10''+ 0.1''. There are very few draws (9%) and the game is very balanced, 51% performance for White, 49% for Black. These properties are valid for LTC too. The draw rate increases very slightly, White-Black performance remains very balanced, rating compression is extremely mild compared to normal Chess. If in normal Chess from 10 seconds rating list to 10 minutes rating list there is a 2 fold compression in ELO ratings, in Theban Chess it is only about 5%. This would mean that the ELO value of doubling in time control also decreases very mildly, and to VLTC Theban Chess might become more sensitive to engines' strengths than normal Chess. For folks interested in this variant, here is an EPD opening suite of 600+ Theban Chess openings.
http://s000.tinyupload.com/?file_id=077 ... 7445287383

The game can be played in Cutechess, LittleBlitzer and Arena 1.1 (probably in WinBoard too, but I didn't check).

Code: Select all

   # PLAYER                      : RATING  ERROR    POINTS  PLAYED     (%)   CFS(next)
--------------------------------------------------------------------------------------
   1 Stockfish 260817 64 BMI2    : 2331.8   29.9     783.5     900    87.1     100    
   2 Komodo 11.2.2 64-bit        : 2244.7   25.8     717.5     900    79.7     100    
   3 Fire 5 x64                  : 2074.4   20.6     547.5     900    60.8     100    
   4 Andscacs 0.91b              : 1992.2   21.9     451.0     900    50.1      70    
   5 Deep Shredder 13 x64        : 1983.5   21.6     440.5     900    48.9     100    
   6 Hakkapeliitta TCEC          : 1924.2   21.5     369.0     900    41.0      71    
   7 Demolito 2017-08-26         : 1915.4   21.3     358.5     900    39.8      99    
   8 DiscoCheck 5.2.1            : 1879.7   21.0     316.5     900    35.2      92    
   9 Cheng 4.39                  : 1857.5   22.3     291.0     900    32.3     100    
  10 Quazar 0.4 x64              : 1796.5   23.3     225.0     900    25.0     ---    
--------------------------------------------------------------------------------------
White advantage = 9.85 +/- 5.84
Draw rate (equal opponents) = 10.95 % +/- 0.51



Games        :   4500 (finished)

White Wins   :   2095 (46.6 %)
Black Wins   :   2003 (44.5 %)
Draws        :    402 ( 8.9 %)
Unfinished   :      0

White Perf.  : 51.0 %
Black Perf.  : 49.0 %