Houdini 1.5a beats Stockfish 17

[Jouni]

[pgn][Event "My Tournament"]
[Site "?"]
[Date "2024.10.14"]
[White "Houdini15a"]
[Black "stockfish17"]
[Result "1-0"]
[ECO "D90"]
[PlyCount "99"]

1. d4 {book} Nf6 {book} 2. c4 {book} g6 {book} 3. Nc3 {book} d5 {book} 4. Nf3 {
book} Bg7 {book} 5. Qa4+ {book} c6 {book} 6. cxd5 {book} Nxd5 {book} 7. e4 {
book} Nc7 {book} 8. Be3 {book} Nd7 {book} 9. Be2 {0.49/15 0.63s} Nb6 {-0.93/23
1.6s} 10. Qc2 {0.48/15 0.53s} f5 {-0.93/18 0.53s} 11. O-O {0.46/12 0.51s} fxe4
{-0.67/17 0.42s} 12. Nxe4 {0.43/12 0.58s} Bf5 {-0.74/22 2.1s} 13. Bd3 {0.37/11
0.77s} Nbd5 {-0.60/17 0.48s} 14. a3 {0.36/12 1.0s} O-O {-0.35/20 0.86s} 15. Nc5
{0.27/13 0.43s} Bxd3 {-0.39/16 0.29s} 16. Qxd3 {0.28/15 0.54s} b6 {-0.27/22 0.
44s} 17. Ne4 {0.27/15 0.45s} Nxe3 {-0.20/18 0.42s} 18. fxe3 {0.29/12 0.45s} c5
{-0.26/18 0.44s} 19. Rad1 {0.28/13 0.41s} cxd4 {-0.07/19 0.37s} 20. exd4 {0.25/
13 0.69s} Qd5 {-0.01/19 0.42s} 21. Nc3 {0.25/14 0.44s} Qb3 {0.00/19 0.40s} 22.
Rde1 {0.22/13 0.59s} e6 {0.05/21 0.46s} 23. Nd2 {2.47/12 0.23s} Qxb2 {-3.67/21
1.8s} 24. Nc4 {2.65/11 0.015s} Bxd4+ {-3.75/20 0.35s} 25. Qxd4 {2.66/10 0.002s}
Nb5 {-3.79/19 0.31s} 26. Nxb5 {2.40/15 0.53s} Qxb5 {-3.75/21 0.42s} 27. Nd6 {
2.57/16 0.77s} Qd5 {-3.41/19 0.38s} 28. Qxd5 {2.89/16 1.3s} exd5 {-3.54/21 0.
95s} 29. Re7 {2.43/18 0.39s} Rxf1+ {-3.74/28 4.5s} 30. Kxf1 {2.36/16 0} Rf8+ {
-3.71/21 0.54s} 31. Ke2 {2.40/17 0.53s} Rf6 {-3.71/19 0.30s} 32. Rd7 {2.52/17
2.1s} Re6+ {-3.28/20 0.48s} 33. Kd3 {2.59/15 0.42s} Re1 {-3.23/19 0.30s} 34.
Rxa7 {2.60/14 0.37s} Rh1 {-3.30/18 0.22s} 35. h3 {2.77/15 0.38s} Rh2 {-3.35/25
1.4s} 36. Nc8 {2.97/15 0.64s} Rxg2 {-2.52/19 0.22s} 37. Nxb6 {3.17/15 0.59s}
Rg3+ {-2.72/24 2.0s} 38. Ke2 {3.17/16 0.45s} Rxh3 {-2.22/19 0.26s} 39. Nxd5 {
3.31/16 0.64s} Kf8 {-2.76/22 2.0s} 40. a4 {3.31/15 0.49s} Rh5 {-2.83/20 0.49s}
41. Nf6 {3.42/12 0} Rf5 {-2.71/14 0.076s} 42. Nxh7+ {4.41/16 0.49s} Ke8 {-3.38/
18 0.18s} 43. a5 {4.43/18 0.42s} Kd8 {-2.64/16 0.058s} 44. a6 {4.65/18 1.6s}
Kc8 {-3.66/18 0.29s} 45. Nf8 {4.94/17 0} Rh5 {-4.05/24 0.44s} 46. Re7 {7.85/14
0.39s} Kd8 {-5.37/18 0.22s} 47. a7 {8.09/11 0.12s} Kxe7 {-4.59/17 0.047s} 48.
a8=Q {7.70/10 0.006s} Re5+ {-4.99/19 0.35s} 49. Kd3 {9.79/12 0.31s} Rf5 {-5.28/
19 0.23s} 50. Nxg6+ {8.71/9 0s, White wins by adjudication: SyzygyTB} 1-0

[/pgn]

Houdini is 2011 engine. Book UHO. 22. -e6 was blunder.

[Jouni]

And total result

Code: Select all

                       
1   stockfish17 +572/=27/-1 97.58%  585.5/600
2   Houdini15a   +1/=27/-572 2.42%   14.5/600

+642 Elo.