Alex 2.09 Gauntlets (CCRL 40/40)

[Aser Huerga]

Alex 2.09 Gauntlets

Hardware: Intel(R) Core(TM)2 Duo CPU E8400 @ 3.00GHzDual 3000 MHz with 4.088 MB Memory
Operating system: Microsoft Windows XP 64 Bit Professional Service Pack 2 (Build 3790)
All engines 1 CPU
Arena 2.0.1 GUI
128 Hash Tables
3-4-5 EGTBs
Ponder off
Book CCRL-10moves (7.084 starting positions from the 40-40 archive where both engines were rated 3000+ and the eval after a dozen moves was ∞/= or +/=), each pair plays the same position with switched colours.
40 moves in 25 minutes repeating (adapted to the CCRL 40/40 standard)

Gauntlet I:

Code: Select all

1   Alex 2.09     -2394- 59.5/120
2   Averno 0.81    2414  15.0/24
3   Eeyore 1.50    2434  14.5/24
4   AliChess 4.21  2382  11.0/24
5   Ant 2006-F     2403  10.5/24
6   Waxman 2009    2360   9.5/24

(All ELOs referred to the last Chess Computer Rating List when tournament starts, except -XXXX- one, wich is referred to performance).

Statistics:

Code: Select all

Alex 2.09                     : 120 (+ 44,= 31,- 45), 49.6 %

Eeyore 1.50                   :  24 (+  7,=  5,- 12), 39.6 %
Averno 0.81                   :  24 (+  7,=  4,- 13), 37.5 %
Ant 2006-F                    :  24 (+ 10,=  7,-  7), 56.2 %
AliChess 4.21                 :  24 (+  9,=  8,-  7), 54.2 %
Waxman 2009                   :  24 (+ 11,=  7,-  6), 60.4 %

(All statistic results are from the engine tested view).

Games: http://kirill-kryukov.com/chess/discuss ... f=7&t=5364

[Aser Huerga]

Gauntlet II:

Code: Select all

1   Alex 2.09             -2430- 66.5/120
2   Sungorus 1.4 64-bit    2407  13.5/24
3   Aice 0.99.2            2441  11.5/24
4   Chispa 4.0.3           2369  11.0/24
5   KMTChess 1.2.1 64-bit  2325  9.0/24
6   Chezzz 1.0.3           2427  8.5/24

(All ELOs referred to the last Chess Computer Rating List when tournament starts, except -XXXX- one, wich is referred to performance).

Statistics:

Code: Select all

Alex 2.09                     : 120 (+ 50,= 33,- 37), 55.4 %

Aice 0.99.2                   :  24 (+  8,=  9,-  7), 52.1 %
Chezzz 1.0.3                  :  24 (+ 14,=  3,-  7), 64.6 %
Sungorus 1.4 64-bit           :  24 (+  7,=  7,- 10), 43.8 %
Chispa 4.0.3                  :  24 (+  9,=  8,-  7), 54.2 %
KMTChess 1.2.1 64-bit         :  24 (+ 12,=  6,-  6), 62.5 %

(All statistic results are from the engine tested view).

Games: http://kirill-kryukov.com/chess/discuss ... 865#p56865

[Aser Huerga]

Alex climbs up to position 137‑138 from position 165-166 with the 2.09 version (now 2409 in CCRL 40/40 1CPU), showing an improvement of 121 ELO points regarding the 2.03 version, 3 ELO points behind Sungorus and same ELO points as Natwarlal.
http://www.computerchess.org.uk/ccrl/40 ... ons_only=1