2830 +/- 10 Elo at bullet chess. Pass CachedPosition to Search.UpdateCache method (instead of instantiating new cached position from NullPosition and key). Extended LMR and futility pruning from 7 to 9 ply to search horizon.
* 2842 +/- 10 Elo at bullet chess.
* 2843 +/- 10 Elo at bullet chess. Adjusted LMR values.
* 2840 +/- 10 Elo at bullet chess. Adjusted time mangement algorithm.
* 2844 +/- 10 Elo at bullet chess. Enabled separate margins and additional seach time for significant and marginal score decreases (current search iteration compared to previous iteration).
* Simplified time management logic so it withdraws from a time bank (and adds to soft and hard time limits) when score decreases by a configurable margin in a search iteration.
* 2841 +/- 10 Elo at bullet chess.
* Update history for all moves (captures and non-captures). Sort moves by best, capture, history, victim, then attacker.
* Removed counter move history.
MadChess 3.4 download
| Knightx 4.0 | 2/5 | -1 | 5 Games |
| Kobra 1.2 | 1/5 | -3 | 5 Games |
| Motor 0.5.0 | 0/5 | -5 | 5 Games |
| Rodent NN JA | 0/5 | -5 | 5 Games |
| OpenTal 1.1 JA | 3/4 | +2 | 4 Games |
| Delocto 0.7 | 2/4 | +0 | 4 Games |
| CT800 1.46 | 1/4 | -2 | 4 Games |
| Twisted Logic 20100815 JA | 1/4 | -2 | 4 Games |
| Toga IV 1.1 JA | 0.5/4 | -3 | 4 Games |
| Pirarucu 3.3.5 JA | 0.5/4 | -3 | 4 Games |
| Weiawaga 5.0 JA | 0/4 | -4 | 4 Games |
| Igel 3.5.5 JA | 0/4 | -4 | 4 Games |
| Uralochka 3.41a JA | 0/4 | -4 | 4 Games |
| Peacekeeper 3.00 | 0/4 | -4 | 4 Games |
| Starzix 5.0 | 0/4 | -4 | 4 Games |
| Lishex 1.1.1 | 2.5/3 | +2 | 3 Games |
| Zevra 2.5 | 2/3 | +1 | 3 Games |
| Novice 3.1 | 2/3 | +1 | 3 Games |
| K2 0.99 | 2/3 | +1 | 3 Games |
| Colossus 2022a | 2/3 | +1 | 3 Games |
| Fornax 4.0 | 1.5/3 | +0 | 3 Games |
| Tournament | Score | progress |
| 2024.05.25 - New Amateur Engines Test | 12/44 | -20 |
| A-4 Amateur League CEDR edition 04/2024 | 20/38 | +2 |
| 2024.05.29 New Amateur Engines Test | 10/50 | -30 |
| Amateur League A4 edition 05/2024 | 10.5/19 | +2 |
| El-02 League CEDR edition 06/2024 | 2/3 | +1 |
| 2024.12.16 Amateur Section GroupE-10 | 4.5/16 | -7 |
| Amateur League CEDR E-03 Season 01/2025 | 26/38 | +14 |
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