v.15:
👉 x2 stands the multiplication of the neural net with a factor of 2 from 22Mb to 44Mb. Rebel 15x2 is not meant as a new elo bomb but as a final touch of Rebel 15 and investment for a future Rebel.
👉 Because of the double sized network (based on 2.75 billion positions) Rebel has much more chess knowledge available which can be easily demonstrated by playing a match on depth instead of regular time control. The match ended in favor for the x2 version with a 58% score indicating a 56 elo increase.
👉 However there is an important drawback, because of the bigger neural network the NPS has dropped significantly, depending on your PC with 25% - 35% which has to be compensated by the better chess knowledge hence the elo gain is not much. On the other hand it makes Rebel 15x2 much more suitable as an analysis engine and an excellent starting point for creating an even better neural network.
👉 Use Rebel-15-avx2 wherever possible since it runs considerable faster.
Individual statistics Rebel 14.1 NNUE: 135 games (+ 47,= 38,- 50), 48.9 %
OliThink 5.10.1 : 2 (+ 2,= 0,- 0), 100.0 %
Fritz 17 : 2 (+ 0,= 2,- 0), 50.0 %
Fire 8 NN MC.3 : 2 (+ 0,= 1,- 1), 25.0 %
Gunborg 1.65 : 2 (+ 2,= 0,- 0), 100.0 %
Vafra 3.2.0 : 2 (+ 2,= 0,- 0), 100.0 %
Colossus 2021b : 2 (+ 2,= 0,- 0), 100.0 %
Stockfish 14.1 : 2 (+ 0,= 1,- 1), 25.0 %
Stockfish 13 : 2 (+ 0,= 1,- 1), 25.0 %
Fisherov 0.98i : 4 (+ 0,= 0,- 4), 0.0 %
Arasan 23.2 : 2 (+ 0,= 2,- 0), 50.0 %
Fisherov 0.98j : 4 (+ 0,= 2,- 2), 25.0 %
Fritz 15 : 2 (+ 1,= 1,- 0), 75.0 %
Francesca 0.31a : 2 (+ 1,= 1,- 0), 75.0 %
Devel 4.0.2.3 : 2 (+ 2,= 0,- 0), 100.0 %
Prophet 4.1 : 2 (+ 2,= 0,- 0), 100.0 %
Bagatur 3.2 : 2 (+ 0,= 2,- 0), 50.0 %
Cheese 3.0.1 : 2 (+ 2,= 0,- 0), 100.0 %
Black Marlin 4.0 : 2 (+ 1,= 1,- 0), 75.0 %
Combusken 2.0.0 : 4 (+ 2,= 1,- 1), 62.5 %
Tucano 10.00 : 2 (+ 0,= 2,- 0), 50.0 %
RubiChess 2021 : 2 (+ 0,= 1,- 1), 25.0 %
Drofa 3.3.0 : 4 (+ 2,= 1,- 1), 62.5 %
Little Goliath 3.15 : 4 (+ 0,= 3,- 1), 37.5 %
Velvet 3.1.3 : 6 (+ 3,= 3,- 0), 75.0 %
Clover 3.0 : 4 (+ 1,= 1,- 2), 37.5 %
Anka 0.6.3 : 2 (+ 2,= 0,- 0), 100.0 %
Belofte 2.1.5 : 2 (+ 2,= 0,- 0), 100.0 %
CorChess 250122 : 6 (+ 0,= 0,- 6), 0.0 %
Stockfish 250122 Ivec : 6 (+ 0,= 1,- 5), 8.3 %
Raubfisch X48c3 : 8 (+ 0,= 1,- 7), 6.2 %
Protej 0.6.2 : 6 (+ 5,= 0,- 1), 83.3 %
Deep Shredder 13 : 2 (+ 0,= 1,- 1), 25.0 %
Stockfish 290122 : 2 (+ 0,= 0,- 2), 0.0 %
Berserk 9-dev NN : 4 (+ 0,= 1,- 3), 12.5 %
Koivisto 7.13 : 4 (+ 0,= 1,- 3), 12.5 %
Mayhem 6.6 : 2 (+ 1,= 1,- 0), 75.0 %
Fatalii 0.1.0 : 2 (+ 2,= 0,- 0), 100.0 %
Admete 1.4.0 : 2 (+ 2,= 0,- 0), 100.0 %
Toga IV : 2 (+ 1,= 0,- 1), 50.0 %
Eggnog 3.0 : 1 (+ 1,= 0,- 0), 100.0 %
Rebel 14.1.02 CST : 2 (+ 2,= 0,- 0), 100.0 %
Stockfish 010322 : 2 (+ 0,= 1,- 1), 25.0 %
Frozenight 1.0.0 : 2 (+ 2,= 0,- 0), 100.0 %
Rebel 14.2 : 2 (+ 0,= 2,- 0), 50.0 %
CorChess 020322 : 2 (+ 0,= 1,- 1), 25.0 %
Knightx 3.2 : 2 (+ 2,= 0,- 0), 100.0 %
Raubfisch GTZ27e : 2 (+ 0,= 1,- 1), 25.0 %
Raubfisch X48e : 2 (+ 0,= 1,- 1), 25.0 %
Stockfish 020322 Ivec : 2 (+ 0,= 0,- 2), 0.0 %
Rebel 15x2 NNUE download from page
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