Dual - chess engine
Author: DSTGU
Small improvements
Strategic results:
1647 ELO - 5 depth - 4 min 4 seconds
v.0.2.8:
What's Changed
Dual v0.2.8 by @DSTGU in #2
Summary of changes:
Intensive profiling and fixing timesinks
Reimplementing features (TT, PVS)
Fixing bugs
(10+0.3)
Rank Name Elo +/- nElo +/- Games Score Draw Ptnml(0-2)
1 bikjump(2227) 193.17 44.98 254.59 48.15 200 75.2% 35.0% [2, 0, 35, 21, 42]
2 Maxwell(2008) 61.43 43.95 69.12 48.15 200 58.8% 32.0% [13, 7, 32, 28, 20]
3 Dual-v0.2.8 29.60 38.37 37.49 48.15 200 54.2% 42.0% [10, 12, 42, 23, 13]
4 Dual.v0.2.6 -52.51 35.48 -72.62 48.15 200 42.5% 39.0% [12, 30, 39, 14, 5]
5 Dual-v0.2.7 -65.02 43.32 -74.39 48.15 200 40.8% 30.0% [23, 23, 30, 16, 8]
6 Pigeon(1754) -159.78 43.36 -205.17 48.15 200 28.5% 22.0% [31, 37, 22, 7, 3]
Results of Dual-v0.2.8-rc13 vs Dual-v0.2.7 (3+0.1, NULL, NULL, chess.pgn):
Elo: 93.20 +/- 16.51, nElo: 127.63 +/- 21.53
LOS: 100.00 %, DrawRatio: 34.40 %, PairsRatio: 3.32
Games: 1000, Wins: 437, Losses: 175, Draws: 388, Points: 631.0 (63.10 %)
Ptnml(0-2): [10, 66, 172, 156, 96], WL/DD Ratio: 1.07
Startpos:
Eval: 22, Depth: 8, Seldepth: 18, nodes: 876942, time: 500ms, nps: 1753knps
PV: e2e4 d7d5 e4d5 g8f6 c2c4 c7c6 d1a4 e7e5
TT: hits:3258757, collisions:0, inserts:213179, overwrites:28160
Kiwipete:
Eval: -52, Depth: 7, Seldepth: 23, nodes: 345549, time: 352ms, nps: 981knps
PV: e2a6 e6d5 e5g6 f7g6 c3b5 h3g2 f3g2
TT: hits:5518789, collisions:0, inserts:313753, overwrites:70174
Endgame pos
Eval: 39, Depth: 12, Seldepth: 19, nodes: 2481805, time: 955ms, nps: 2598knps
PV: b4f4 h4g3 f4c4 h5c5 c4c5 d6c5 a5a6 g3g2 a6b7 g2f2 b7c7 f2e2
TT: hits:20468873, collisions:0, inserts:852587, overwrites:247189
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