Testing Sykora 4.1 - Gauntlet - Ultra-Bullet vs 30 Opponents — Status: FINISHED | Performance: 2588.6 Live Elo (Baseline Established)
Tournament Summary:
•
Games Played: 3,000 matches (100 games per opponent)
•
Score: 1271.0 / 3000 (
42.4%)
•
Start Anchor Elo: 2600.0
•
Final Live Elo: 2588.6 (-11.4 Elo from preset anchor)
Note on Results:
This run serves as the initial baseline benchmark for Sykora 4.1.
With a starting preset anchor of 2600.0 Elo, the engine scored 42.4% across 3,000 Ultra-Bullet games
against 30 opponents, establishing its true performance baseline at 2588.6 Live Elo.
Future releases will be measured against this rating.
Openings
Code: Select all
+----+-----+-------------------------+------------------------------------+-------+---------+---------+-------+--------+-------------------------------------------------------------------+
| # | ECO | Opening | Variation | Count | White W | Black W | Draws | QDraws | Moves |
+----+-----+-------------------------+------------------------------------+-------+---------+---------+-------+--------+-------------------------------------------------------------------+
| 1 | B01 | Scandinavian Defense | Classical Variation | 64 | 31 | 4 | 29 | 0 | 1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. Nf3 Nf6 5. d4 c6 6. Bc4 Bg4 |
| 2 | A46 | Torre Attack | Yusupov-Rubinstein System | 62 | 29 | 7 | 26 | 2 | 1. d4 Nf6 2. Nf3 e6 3. e3 g6 4. Bd3 c5 5. O-O Bg7 6. Nbd2 O-O |
| 3 | A79 | Benoni Defense | Classical, Main Line | 64 | 26 | 3 | 35 | 4 | 1. d4 e6 2. c4 c5 3. d5 exd5 4. cxd5 d6 5. Nc3 g6 6. Nf3 Bg7 |
| 4 | B12 | Caro-Kann Defense | Advance Variation | 60 | 30 | 6 | 24 | 0 | 1. e4 c6 2. d4 d5 3. e5 Bf5 4. h4 Qc8 5. h5 h6 6. Bd3 Bxd3 |
| 5 | A45 | Indian Defense | London System | 63 | 24 | 7 | 32 | 4 | 1. d4 Nf6 2. Bf4 c5 3. d5 d6 4. Nc3 e5 5. Bd2 Be7 6. e4 O-O |
| 6 | A04 | Zukertort Opening | Symmetric Variation | 63 | 29 | 7 | 27 | 3 | 1. Nf3 g6 2. g3 Bg7 3. Bg2 d6 4. O-O Bd7 5. c4 Qc8 6. Nc3 Nc6 |
| 7 | D21 | Queen's Gambit Accepted | Central Variation, Alekhine System | 61 | 27 | 3 | 31 | 1 | 1. d4 d5 2. c4 e6 3. Nf3 dxc4 4. e4 b5 5. a4 Bb7 6. axb5 Bxe4 |
| 8 | B81 | Sicilian Defense | Scheveningen, Keres Attack | 61 | 24 | 4 | 33 | 1 | 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. g4 e5 |
| 9 | C47 | Four Knights Game | Scotch Variation | 63 | 20 | 2 | 41 | 3 | 1. e4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. a3 d5 5. Bb5 dxe4 6. Nxe5 Bd7 |
| 10 | E60 | King's Indian Defense | Anti-King's Indian System | 63 | 19 | 8 | 36 | 3 | 1. d4 Nf6 2. c4 g6 3. f3 d6 4. e4 e5 5. Ne2 c5 6. d5 h5 |
| 11 | B11 | Caro-Kann Defense | Two Knights, Breyer Variation | 61 | 27 | 6 | 28 | 1 | 1. e4 c6 2. Nc3 d5 3. Nf3 Nf6 4. e5 Ne4 5. Ne2 Qb6 6. d4 c5 |
| 12 | B06 | Modern Defense | Standard Defense | 64 | 19 | 9 | 36 | 5 | 1. e4 g6 2. d4 d6 3. Nf3 Bg7 4. Be2 e6 5. O-O h6 6. c4 g5 |
| 13 | C16 | French Defense | Winawer, Advance Variation | 63 | 27 | 6 | 30 | 4 | 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 Ne7 5. a3 Bxc3+ 6. bxc3 b6 |
| 14 | A07 | King's Indian Attack | Yugoslav Variation | 61 | 20 | 8 | 33 | 1 | 1. Nf3 d5 2. g3 g6 3. Bg2 Bg7 4. O-O Nf6 5. c4 d4 6. b4 d3 |
| 15 | C16 | French Defense | Winawer Variation | 61 | 22 | 8 | 31 | 1 | 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 Qd7 5. a3 Bxc3+ 6. bxc3 b6 |
| 16 | A41 | Queen's Pawn Game | Modern Defense System | 60 | 30 | 5 | 25 | 0 | 1. d4 d6 2. Nf3 g6 3. g3 Bg7 4. Bg2 Bd7 5. O-O Qc8 6. c4 Nc6 |
| 17 | A41 | Queen's Pawn Game | Modern Defense, Wade Defense | 62 | 21 | 6 | 35 | 2 | 1. d4 d6 2. Nf3 g6 3. c4 Bg7 4. Nc3 Bg4 5. e3 Nc6 6. Be2 Nf6 |
| 18 | A52 | Budapest Defense | Main Line | 61 | 18 | 4 | 39 | 1 | 1. d4 Nf6 2. c4 e5 3. dxe5 Ng4 4. Nf3 Bc5 5. e3 Nc6 6. Be2 O-O |
| 19 | B09 | Pirc Defense | Austrian Attack, Dragon Formation | 63 | 25 | 1 | 37 | 3 | 1. d4 d6 2. e4 g6 3. Nc3 Bg7 4. f4 Nf6 5. Nf3 O-O 6. Bd3 c5 |
| 20 | A46 | Torre Attack | Yusupov-Rubinstein System | 61 | 20 | 8 | 33 | 1 | 1. Nf3 c5 2. c3 Nf6 3. d4 Qc7 4. g3 b6 5. d5 g6 6. Bg2 Bg7 |
| 21 | B00 | Owen Defense | General | 62 | 30 | 6 | 26 | 2 | 1. e4 e6 2. d4 b6 3. Bd3 Bb7 4. Nf3 d5 5. e5 c5 6. c3 Ne7 |
| 22 | A10 | English Opening | Anglo-Maroczy Variation | 63 | 33 | 5 | 25 | 3 | 1. c4 g6 2. e4 e5 3. d4 Nf6 4. dxe5 Nxe4 5. Bd3 Bb4+ 6. Kf1 Nc5 |
| 23 | A16 | English Opening | Anglo-Gruenfeld Defense | 62 | 26 | 2 | 34 | 2 | 1. Nf3 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. h4 Bg7 6. e4 Nb6 |
| 24 | A46 | Queen's Pawn Game | Keres Defense | 61 | 28 | 4 | 29 | 0 | 1. d4 Nf6 2. Nf3 h6 3. c4 g5 4. Nc3 d6 5. g3 Bg7 6. Bg2 O-O |
| 25 | C01 | French Defense | Exchange Variation | 61 | 27 | 9 | 25 | 1 | 1. e4 e6 2. d4 a6 3. Nf3 h6 4. Bd3 d6 5. c3 Nd7 6. Nbd2 b6 |
| 26 | B30 | Sicilian Defense | Nimzowitsch-Rossolimo Attack | 62 | 29 | 4 | 29 | 2 | 1. e4 c5 2. Nf3 Nc6 3. Bb5 e6 4. Bxc6 bxc6 5. d3 Ne7 6. Nh4 f6 |
| 27 | A55 | Old Indian Defense | Normal Variation | 60 | 18 | 7 | 35 | 0 | 1. c4 c6 2. e4 e5 3. Nf3 d6 4. d4 Nd7 5. Nc3 Ngf6 6. Be2 Be7 |
| 28 | A42 | Modern Defense | Averbakh System | 62 | 25 | 3 | 34 | 2 | 1. d4 g6 2. c4 Bg7 3. Nc3 d6 4. e4 Nc6 5. d5 Nd4 6. Nge2 e5 |
| 29 | B27 | Sicilian Defense | Hyperaccelerated Pterodactyl | 64 | 23 | 4 | 37 | 4 | 1. Nf3 g6 2. e4 c5 3. c3 Nf6 4. e5 Nd5 5. d4 cxd4 6. Qb3 Nb6 |
| 30 | B00 | Owen Defense | General | 66 | 20 | 9 | 37 | 7 | 1. d4 e6 2. e4 b6 3. Nf3 Bb7 4. Bd3 g6 5. O-O Bg7 6. c4 d6 |
| 31 | D00 | Queen's Pawn Game | Anderssen Opening | 61 | 21 | 4 | 36 | 1 | 1. a3 d5 2. d4 Nf6 3. Nf3 Bf5 4. c4 c6 5. Nc3 e6 6. Nh4 Bg4 |
| 32 | B08 | Pirc Defense | Classical Variation | 62 | 20 | 10 | 32 | 2 | 1. e4 g6 2. d4 Bg7 3. Nf3 d6 4. Be3 Nf6 5. Nc3 O-O 6. Qd2 Nc6 |
| 33 | A40 | Queen's Pawn Game | Kevitz-Mikenas Defense | 64 | 30 | 8 | 26 | 5 | 1. d4 Nc6 2. Nf3 Nf6 3. d5 Nb8 4. Nc3 d6 5. e4 g6 6. Be3 Bg4 |
| 34 | A80 | Dutch Defense | Raphael Variation | 61 | 26 | 6 | 29 | 1 | 1. d4 f5 2. Nc3 d5 3. Bf4 c6 4. e3 Nf6 5. Nf3 g6 6. Bd3 Bg7 |
| 35 | C61 | Ruy Lopez | Bird Variation | 72 | 17 | 5 | 50 | 12 | 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nd4 4. Nxd4 exd4 5. O-O c6 6. Bc4 d5 |
| 36 | B09 | Pirc Defense | Austrian Attack | 61 | 28 | 6 | 27 | 1 | 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. a3 O-O 6. Nf3 Bg4 |
| 37 | C10 | French Defense | Paulsen, Nimzowitsch Variation | 61 | 27 | 3 | 31 | 1 | 1. e4 e6 2. d4 d5 3. Nc3 Nc6 4. e5 f6 5. Bb5 Qd7 6. Nf3 a6 |
| 38 | B00 | French Defense | Normal Variation | 64 | 32 | 6 | 26 | 4 | 1. d4 e6 2. Nf3 b6 3. e4 Bb7 4. Bd3 Nf6 5. Qe2 d5 6. e5 Nfd7 |
| 39 | B06 | Modern Defense | Standard Line | 63 | 22 | 8 | 33 | 4 | 1. e4 g6 2. d4 Bg7 3. Nc3 a6 4. Be3 b5 5. h4 h5 6. Nh3 Bb7 |
| 40 | B00 | English Defense | General | 60 | 24 | 7 | 29 | 0 | 1. d4 e6 2. Nf3 b6 3. e4 Bb7 4. Bd3 g6 5. O-O Bg7 6. Re1 d6 |
| 41 | A65 | Benoni Defense | Modern Main Line | 65 | 19 | 11 | 35 | 6 | 1. d4 Nf6 2. c4 e6 3. Nc3 c5 4. d5 exd5 5. cxd5 d6 6. e4 g6 |
| 42 | B06 | Modern Defense | Standard Line | 63 | 23 | 10 | 30 | 3 | 1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. h4 Nf6 5. f3 Nc6 6. Be3 e5 |
| 43 | C41 | Philidor Defense | Exchange Variation | 60 | 31 | 2 | 27 | 0 | 1. e4 e5 2. Nf3 d6 3. d4 exd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 |
| 44 | B31 | Sicilian Defense | Nimzowitsch-Rossolimo Attack | 65 | 16 | 5 | 44 | 5 | 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. Bxc6 dxc6 5. d3 Bg7 6. h3 Nh6 |
| 45 | B15 | Caro-Kann Defense | Gurgenidze System | 64 | 28 | 1 | 35 | 5 | 1. e4 g6 2. d4 Bg7 3. Nf3 c6 4. Nc3 d5 5. h3 Nh6 6. Bf4 dxe4 |
| 46 | B04 | Alekhine Defense | Modern Variation | 60 | 23 | 3 | 34 | 0 | 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 dxe5 5. Nxe5 c6 6. Be2 g6 |
| 47 | C70 | Ruy Lopez | Fianchetto Defense | 60 | 29 | 6 | 25 | 0 | 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 g6 5. d4 exd4 6. Bg5 f6 |
| 48 | C72 | Ruy Lopez | Modern Steinitz Defense | 61 | 21 | 6 | 34 | 1 | 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. O-O Bg4 6. h3 h5 |
| 49 | E61 | King's Indian Defense | Smyslov System | 62 | 25 | 9 | 28 | 2 | 1. d4 d6 2. Nf3 Nf6 3. c4 g6 4. Nc3 Bf5 5. h3 Bg7 6. g4 Bc8 |
| 50 | B06 | Modern Defense | Standard Line | 65 | 31 | 5 | 29 | 5 | 1. e4 g6 2. d4 Bg7 3. Nc3 c6 4. Nf3 d6 5. Be3 Qc7 6. Qd2 Bg4 |
+----+-----+-------------------------+------------------------------------+-------+---------+---------+-------+--------+-------------------------------------------------------------------+
Code: Select all
+------+-----------------------------------+--------+-------+----------+-----------+-------+--------+
| Rank | Name | Points | Games | Live Elo | Start Elo | +/- | Score% |
+------+-----------------------------------+--------+-------+----------+-----------+-------+--------+
| - | Sykora 4.1 x64(AVX2-5Pct) | 1271,0 | 3000 | 2588,6 | 2600,0 | -11,4 | 42,4 |
+------+-----------------------------------+--------+-------+----------+-----------+-------+--------+
| 1 | PZChessBot 6.1 x64(AVX2-5Pct) | 68,0 | 100 | 2737,1 | 2648,0 | +89,1 | 68,0 |
| 2 | Halogen 13.0.1 x64(BMI2-5Pct) | 67,0 | 100 | 2727,8 | 2658,0 | +69,8 | 67,0 |
| 3 | Viridithas 12.0.0 x64(AVX2-5Pct) | 64,0 | 100 | 2701,9 | 2676,0 | +25,9 | 64,0 |
| 4 | RubiChess 20221203 x64(BMI2-5Pct) | 64,0 | 100 | 2700,8 | 2688,0 | +12,8 | 64,0 |
| 5 | Velvet 8.0.0 x64(AVX2-5Pct) | 63,5 | 100 | 2698,6 | 2669,0 | +29,6 | 63,5 |
| 6 | Tcheran 11.0 x64(AVX2-5Pct) | 63,5 | 100 | 2697,3 | 2682,0 | +15,3 | 63,5 |
| 7 | Stormphrax 5.0.0 x64(BMI2-5Pct) | 62,5 | 100 | 2693,9 | 2642,0 | +51,9 | 62,5 |
| 8 | Berserk 10.0 x64(BMI2-5Pct) | 62,5 | 100 | 2689,3 | 2682,0 | +7,3 | 62,5 |
| 9 | Tarnished 3.0 x64(5Pct) | 62,0 | 100 | 2687,5 | 2661,0 | +26,5 | 62,0 |
| 10 | Raphael 3.2.0 x64(BMI2-5Pct) | 61,5 | 100 | 2685,6 | 2644,0 | +41,6 | 61,5 |
| 11 | Revenge 3.0 x64(BMI2-5Pct) | 61,5 | 100 | 2685,1 | 2648,0 | +37,1 | 61,5 |
| 12 | Koivisto 8.0 x64(AVX2-5Pct) | 60,5 | 100 | 2678,8 | 2635,0 | +43,8 | 60,5 |
| 13 | Pawnocchio 1.7 x64(AVX2-5Pct) | 60,5 | 100 | 2676,7 | 2651,0 | +25,7 | 60,5 |
| 14 | Starzix 5.0 x64(AVX2-5Pct) | 60,5 | 100 | 2674,7 | 2668,0 | +6,7 | 60,5 |
| 15 | Obsidian 8.0 x64(AVX2-5Pct) | 58,5 | 100 | 2659,5 | 2661,0 | -1,5 | 58,5 |
| 16 | Motor 0.6.0 x64(AVX2-5Pct) | 58,0 | 100 | 2653,8 | 2677,0 | -23,2 | 58,0 |
| 17 | Cinder 0.1.4 x64(AVX2-5Pct) | 57,0 | 100 | 2657,1 | 2593,0 | +64,1 | 57,0 |
| 18 | Clarity 7.0.0 x64(BMI2-5Pct) | 57,0 | 100 | 2647,5 | 2661,0 | -13,5 | 57,0 |
| 19 | Arasan 25.3 x64(BMI2-5Pct) | 57,0 | 100 | 2647,1 | 2664,0 | -16,9 | 57,0 |
| 20 | Caissa 1.13.1 x64(BMI2-5Pct) | 57,0 | 100 | 2646,9 | 2666,0 | -19,1 | 57,0 |
| 21 | Clover 5.0 x64(5Pct) | 56,0 | 100 | 2644,0 | 2627,0 | +17,0 | 56,0 |
| 22 | Turbulence 0.0.8 x64(AVX2-5Pct) | 55,5 | 100 | 2639,0 | 2634,0 | +5,0 | 55,5 |
| 23 | Patricia 5.1.0 x64(AVX2-5Pct) | 54,5 | 100 | 2629,1 | 2648,0 | -18,9 | 54,5 |
| 24 | PlentyChess 0.3.0 x64(AVX2-5Pct) | 54,0 | 100 | 2627,4 | 2631,0 | -3,6 | 54,0 |
| 25 | Heimdall 1.4.2 x64(AVX2-5Pct) | 53,5 | 100 | 2628,6 | 2596,0 | +32,6 | 53,5 |
| 26 | Igel 3.5.5 x64(AVX2-5Pct) | 53,0 | 100 | 2618,0 | 2641,0 | -23,0 | 53,0 |
| 27 | Rebel 16.0 x64(5Pct) | 49,5 | 100 | 2592,0 | 2627,0 | -35,0 | 49,5 |
| 28 | Alexandria 5.0.0 x64(BMI2-5Pct) | 48,5 | 100 | 2581,5 | 2645,0 | -63,5 | 48,5 |
| 29 | Avalanche 4.0.0 x64(AVX2-5Pct) | 48,0 | 100 | 2581,7 | 2615,0 | -33,3 | 48,0 |
| 30 | Houdini 6.03 x64(BMI2-5Pct) | 30,5 | 100 | 2457,1 | 2466,0 | -8,9 | 30,5 |
+------+-----------------------------------+--------+-------+----------+-----------+-------+--------+
Code: Select all
+----+-----------------------------------+------+------+-------+-------+-------+
| No | Opponent | Win | Loss | Draw | Game | Score |
+----+-----------------------------------+------+------+-------+-------+-------+
| 1 | PZChessBot 6.1 x64(AVX2-5Pct) | 4 | 40 | 56 | 100 | 32,0% |
| 2 | Halogen 13.0.1 x64(BMI2-5Pct) | 13 | 47 | 40 | 100 | 33,0% |
| 3 | Viridithas 12.0.0 x64(AVX2-5Pct) | 16 | 44 | 40 | 100 | 36,0% |
| 4 | RubiChess 20221203 x64(BMI2-5Pct) | 12 | 40 | 48 | 100 | 36,0% |
| 5 | Velvet 8.0.0 x64(AVX2-5Pct) | 13 | 40 | 47 | 100 | 36,5% |
| 6 | Tcheran 11.0 x64(AVX2-5Pct) | 12 | 39 | 49 | 100 | 36,5% |
| 7 | Stormphrax 5.0.0 x64(BMI2-5Pct) | 13 | 38 | 49 | 100 | 37,5% |
| 8 | Berserk 10.0 x64(BMI2-5Pct) | 15 | 40 | 45 | 100 | 37,5% |
| 9 | Tarnished 3.0 x64(5Pct) | 10 | 34 | 56 | 100 | 38,0% |
| 10 | Raphael 3.2.0 x64(BMI2-5Pct) | 7 | 30 | 63 | 100 | 38,5% |
| 11 | Revenge 3.0 x64(BMI2-5Pct) | 12 | 35 | 53 | 100 | 38,5% |
| 12 | Koivisto 8.0 x64(AVX2-5Pct) | 15 | 36 | 49 | 100 | 39,5% |
| 13 | Pawnocchio 1.7 x64(AVX2-5Pct) | 14 | 35 | 51 | 100 | 39,5% |
| 14 | Starzix 5.0 x64(AVX2-5Pct) | 17 | 38 | 45 | 100 | 39,5% |
| 15 | Obsidian 8.0 x64(AVX2-5Pct) | 18 | 35 | 47 | 100 | 41,5% |
| 16 | Motor 0.6.0 x64(AVX2-5Pct) | 12 | 28 | 60 | 100 | 42,0% |
| 17 | Cinder 0.1.4 x64(AVX2-5Pct) | 20 | 34 | 46 | 100 | 43,0% |
| 18 | Clarity 7.0.0 x64(BMI2-5Pct) | 16 | 30 | 54 | 100 | 43,0% |
| 19 | Arasan 25.3 x64(BMI2-5Pct) | 18 | 32 | 50 | 100 | 43,0% |
| 20 | Caissa 1.13.1 x64(BMI2-5Pct) | 21 | 35 | 44 | 100 | 43,0% |
| 21 | Clover 5.0 x64(5Pct) | 20 | 32 | 48 | 100 | 44,0% |
| 22 | Turbulence 0.0.8 x64(AVX2-5Pct) | 17 | 28 | 55 | 100 | 44,5% |
| 23 | Patricia 5.1.0 x64(AVX2-5Pct) | 21 | 30 | 49 | 100 | 45,5% |
| 24 | PlentyChess 0.3.0 x64(AVX2-5Pct) | 22 | 30 | 48 | 100 | 46,0% |
| 25 | Heimdall 1.4.2 x64(AVX2-5Pct) | 21 | 28 | 51 | 100 | 46,5% |
| 26 | Igel 3.5.5 x64(AVX2-5Pct) | 23 | 29 | 48 | 100 | 47,0% |
| 27 | Rebel 16.0 x64(5Pct) | 29 | 28 | 43 | 100 | 50,5% |
| 28 | Alexandria 5.0.0 x64(BMI2-5Pct) | 26 | 23 | 51 | 100 | 51,5% |
| 29 | Avalanche 4.0.0 x64(AVX2-5Pct) | 25 | 21 | 54 | 100 | 52,0% |
| 30 | Houdini 6.03 x64(BMI2-5Pct) | 50 | 11 | 39 | 100 | 69,5% |
+----+-----------------------------------+------+------+-------+-------+-------+
Note: Scores are reported from Sykora 4.1 x64(AVX2-5Pct)'s perspective against each opponent.
Tournament Info
Code: Select all
Event: Testing Sykora 4.1 x64(AVX2-5Pct)
Site/Hardware: Intel(R) Core(TM) i5-4570 3.20GHz 8GB RAM
TimeControl: 9s + 0.1s inrement
Participants: 31
Tourney Start: 2026.10.11 00:23:17
Tourney End: 2026.10.15 21:47:24
Duration: 1d 23:18:24
Avg Game Duration: 00:00:54
Total Games: 3000 (3127 games played: 2 flagged & 125 quick draws repeated)
White Wins: 1236 (41,2%)
Black Wins: 286 (9,5%)
Draws: 1478 (49,3%)
Decisive Games (W/B): 1522 (50,7%)
White/Black Win Ratio: 432,2%
White Scoring Probability: 65,8%
Longest Decisive Game: Sykora 4.1 x64(AVX2-5Pct) vs Cinder 0.1.4 x64(AVX2-5Pct) 1-0 (296 plies)
Shortest Decisive Game: Sykora 4.1 x64(AVX2-5Pct) vs Tarnished 3.0 x64(5Pct) 1-0 (24 plies)
Longest Draw: Caissa 1.13.1 x64(BMI2-5Pct) vs Sykora 4.1 x64(AVX2-5Pct) 1/2-1/2 (300 plies)
Shortest Draw: Motor 0.6.0 x64(AVX2-5Pct) vs Sykora 4.1 x64(AVX2-5Pct) 1/2-1/2 (73 plies)
Games with <= 30 moves: 95 (3,2%)
Games with 31-60 moves: 1466 (48,9%)
Games with 61-90 moves: 946 (31,5%)
Games with +90 moves: 493 (16,4%)
Avg Moves/Game: 65,6
Code: Select all
+----+-----------------------------------+-------+----------+--------------+------------+
| No | Engine Name | Games | Forfeits | Illegal Move | Quick Draw |
+----+-----------------------------------+-------+----------+--------------+------------+
| - | Sykora 4.1 x64(AVX2-5Pct) | 3127 | 0,0% (0) | 0,0% (0) | 3,9% (122) |
+----+-----------------------------------+-------+----------+--------------+------------+
| 1 | PZChessBot 6.1 x64(AVX2-5Pct) | 102 | 1,0% (1) | 0,0% (0) | 1,0% ( 1) |
| 2 | Rebel 16.0 x64(5Pct) | 103 | 1,0% (1) | 0,0% (0) | 1,9% ( 2) |
| 3 | Turbulence 0.0.8 x64(AVX2-5Pct) | 110 | 0,0% (0) | 0,0% (0) | 9,1% ( 10) |
| 4 | PlentyChess 0.3.0 x64(AVX2-5Pct) | 110 | 0,0% (0) | 0,0% (0) | 8,2% ( 9) |
| 5 | Clover 5.0 x64(5Pct) | 108 | 0,0% (0) | 0,0% (0) | 7,4% ( 8) |
| 6 | Patricia 5.1.0 x64(AVX2-5Pct) | 108 | 0,0% (0) | 0,0% (0) | 7,4% ( 8) |
| 7 | Motor 0.6.0 x64(AVX2-5Pct) | 107 | 0,0% (0) | 0,0% (0) | 6,5% ( 7) |
| 8 | Tcheran 11.0 x64(AVX2-5Pct) | 107 | 0,0% (0) | 0,0% (0) | 6,5% ( 7) |
| 9 | Clarity 7.0.0 x64(BMI2-5Pct) | 106 | 0,0% (0) | 0,0% (0) | 5,7% ( 6) |
| 10 | Obsidian 8.0 x64(AVX2-5Pct) | 106 | 0,0% (0) | 0,0% (0) | 5,7% ( 6) |
| 11 | Pawnocchio 1.7 x64(AVX2-5Pct) | 106 | 0,0% (0) | 0,0% (0) | 5,7% ( 6) |
| 12 | Houdini 6.03 x64(BMI2-5Pct) | 105 | 0,0% (0) | 0,0% (0) | 4,8% ( 5) |
| 13 | Alexandria 5.0.0 x64(BMI2-5Pct) | 104 | 0,0% (0) | 0,0% (0) | 3,8% ( 4) |
| 14 | Koivisto 8.0 x64(AVX2-5Pct) | 104 | 0,0% (0) | 0,0% (0) | 3,8% ( 4) |
| 15 | Raphael 3.2.0 x64(BMI2-5Pct) | 104 | 0,0% (0) | 0,0% (0) | 3,8% ( 4) |
| 16 | Revenge 3.0 x64(BMI2-5Pct) | 104 | 0,0% (0) | 0,0% (0) | 3,8% ( 4) |
| 17 | RubiChess 20221203 x64(BMI2-5Pct) | 104 | 0,0% (0) | 0,0% (0) | 3,8% ( 4) |
| 18 | Viridithas 12.0.0 x64(AVX2-5Pct) | 104 | 0,0% (0) | 0,0% (0) | 3,8% ( 4) |
| 19 | Avalanche 4.0.0 x64(AVX2-5Pct) | 103 | 0,0% (0) | 0,0% (0) | 2,9% ( 3) |
| 20 | Cinder 0.1.4 x64(AVX2-5Pct) | 103 | 0,0% (0) | 0,0% (0) | 2,9% ( 3) |
| 21 | Heimdall 1.4.2 x64(AVX2-5Pct) | 103 | 0,0% (0) | 0,0% (0) | 2,9% ( 3) |
| 22 | Caissa 1.13.1 x64(BMI2-5Pct) | 104 | 0,0% (0) | 0,0% (0) | 2,9% ( 3) |
| 23 | Igel 3.5.5 x64(AVX2-5Pct) | 104 | 0,0% (0) | 0,0% (0) | 2,9% ( 3) |
| 24 | Starzix 5.0 x64(AVX2-5Pct) | 102 | 0,0% (0) | 0,0% (0) | 2,0% ( 2) |
| 25 | Stormphrax 5.0.0 x64(BMI2-5Pct) | 102 | 0,0% (0) | 0,0% (0) | 2,0% ( 2) |
| 26 | Velvet 8.0.0 x64(AVX2-5Pct) | 102 | 0,0% (0) | 0,0% (0) | 2,0% ( 2) |
| 27 | Arasan 25.3 x64(BMI2-5Pct) | 101 | 0,0% (0) | 0,0% (0) | 1,0% ( 1) |
| 28 | Tarnished 3.0 x64(5Pct) | 101 | 0,0% (0) | 0,0% (0) | 1,0% ( 1) |
| 29 | Berserk 10.0 x64(BMI2-5Pct) | 100 | 0,0% (0) | 0,0% (0) | 0,0% ( 0) |
| 30 | Halogen 13.0.1 x64(BMI2-5Pct) | 100 | 0,0% (0) | 0,0% (0) | 0,0% ( 0) |
+----+-----------------------------------+-------+----------+--------------+------------+
Code: Select all
Clean Games: 3003(96,0%)
Forfeits: 2(0,1%)
Illegal Move: 0(0,0%)
Quick Draw: 122(3,9%)
Sykora 4.1 x64 (AVX2-5Pct) — 2600 Elo
Engine 2: Koivisto 8.0 x64 (AVX2-5Pct) — 2635 Elo
Time Control: 9+0 Ultra-Bullet
Result: 0-1 (66 moves)
The Quick Recap:
If you ever wanted to see a chess engine play like a grandmaster for 45 moves only to turn into a confused toddler the second it gets low on depth, look no further than this game.
Sykora 4.1 played an absolute positional masterpiece early on. Out of a Modern Defense, it completely locked down the center, dominated with
23.Bc6! and
25.Bxb6!, and pushed its passed A-pawn all the way to
37.a7!. The engines were showing a soul-crushing
+7.37 evaluation for White. Koivisto was practically suffocating.
And then...
Ultra-Bullet depth happened.
At Depth 11-12, Sykora completely lost the plot:
- Instead of wrapping up the win, it started shuffling around (45.Qd3? and 47.Bc6?), letting Koivisto build a counter-attack out of thin air.
- The absolute blunder came with 52.Bxd4?? — throwing away all king safety and opening up every line for Black’s Queen and Rook.
- Within 10 moves, Sykora's King was forced on a humiliated walk across the middle of the board (Kb3 -> Kc4 -> Kb5) until Koivisto picked off the Queen and forced a resignation on move 66.
Moral of the story: Sykora 4.1 clearly has impressive positional understanding, but at low search depths in Ultra-Bullet, its tactical vision collapses hard when the opponent starts throwing punches!
[pgn][Event "Testing Sykora 4.1 x64(AVX2-5Pct)"]
[Site "Intel(R) Core(TM) i5-4570 3.20GHz 8GB RAM"]
[Date "2026.10.13"]
[Round "83"]
[White "Sykora 4.1 x64(AVX2-5Pct)"]
[Black "Koivisto 8.0 x64(AVX2-5Pct)"]
[Result "0-1"]
[BlackElo "2635"]
[ECO "B06"]
[Opening "Modern Defense"]
[Time "00:08:59"]
[Variation "Standard Line"]
[WhiteElo "2600"]
[TimeControl "9+0"]
[Termination "normal"]
[PlyCount "131"]
1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. h4 Nf6 5. f3 Nc6 6. Be3 e5 7. d5 {+1.95/12
0} Ne7 {-0.99/17 0} 8. g4 {+1.78/13 0} h6 {-1.08/18 0} 9. Qd2 {+2.03/12 0}
c6 {-0.64/18 0} 10. O-O-O {+2.18/12 0} cxd5 {-0.66/19 0} 11. exd5 {+1.69/13
0} h5 {-0.55/19 0} 12. g5 {+2.41/14 0} Nd7 {-0.63/19 0} 13. Nge2 {+1.72/13
0} Nf5 {-0.72/20 0} 14. Ne4 {+1.79/14 0} O-O {-0.54/18 0} 15. N2g3
{+1.68/13 0} Nxg3 {-0.67/17 0} 16. Nxg3 {+2.29/11 0} b6 {-0.30/18 0} 17.
Bb5 {+2.31/11 0} Rb8 {-0.58/19 0} 18. Rh2 {+1.91/10 0} Nc5 {-0.17/17 0} 19.
b4 {+1.85/12 0} Nb7 {+0.01/18 0} 20. Ne4 {+4.19/11 0} a5 {-0.86/19 0} 21.
c3 {+4.06/11 0} Bd7 {-1.66/19 1} 22. Qd3 {+5.42/10 0} Kh8 {-1.60/18 0} 23.
Bc6 {+7.07/12 0} Bf5 {-2.10/19 0} 24. Qb5 {+7.37/12 0} axb4 {-2.08/19 0}
25. Bxb6 {+6.04/14 0} Qc8 {-2.06/17 0} 26. cxb4 {+4.93/14 0} Bxe4 {-1.74/16
0} 27. fxe4 {+5.65/13 0} Nd8 {-1.64/16 0} 28. Kb2 {+5.43/13 0} Qg4
{-1.22/16 0} 29. Re1 {+4.61/12 0} f5 {-1.02/15 0} 30. gxf6 {+5.61/12 0}
Bxf6 {-1.70/15 0} 31. a4 {+5.53/12 0} Bxh4 {-0.94/16 0} 32. Ree2 {+3.72/12
0} Bg3 {-0.96/17 0} 33. Rhg2 {+2.87/12 0} h4 {-0.89/17 0} 34. Bd7 {+4.37/14
0} Qf3 {-0.81/16 0} 35. a5 {+4.58/13 0} Nf7 {-0.56/18 0} 36. a6 {+4.10/13
0} Ng5 {-1.27/16 0} 37. a7 {+4.75/12 0} Ra8 {-1.23/17 0} 38. Rc2 {+4.82/12
0} h3 {-1.10/16 0} 39. Rge2 {+4.26/12 0} Qh5 {-0.85/17 0} 40. Rc1 {+5.55/12
0} Bf4 {-1.07/16 0} 41. Rg1 {+5.53/12 0} h2 {-0.52/17 0} 42. Rh1 {+4.70/12
0} Nf3 {-1.24/18 0} 43. Rf2 {+5.60/11 0} Bg3 {-0.58/18 0} 44. Rg2 {+6.22/14
0} Nd4 {-0.42/17 0} 45. Qd3 {+3.67/13 0} Rf3 {-0.04/16 0} 46. Qd1 {+2.35/12
0} Qh4 {+0.17/15 0} 47. Bc6 {0.00/12 0} Qh3 {+0.06/16 0} 48. Rc2 {0.00/13
0} Bf2 {+0.05/18 0} 49. Rxh2 {0.00/13 0} Rb3+ {+1.28/16 0} 50. Ka2 {0.00/12
0} Ra3+ {+0.70/16 0} 51. Kb2 {0.00/14 0} Qxh2 {+1.88/15 0} 52. Bxd4
{-3.60/12 0} Bxd4+ {+2.91/18 0} 53. Kxa3 {-4.14/11 0} Rxa7+ {+3.52/18 0}
54. Kb3 {-2.93/11 0} Qh3+ {+3.96/17 0} 55. Kc4 {-3.94/11 0} Ra3 {+3.87/19
0} 56. Kb5 {-3.78/14 0} Qc8 {+4.32/19 0} 57. Kc4 {-4.38/12 0} Kg7 {+3.53/18
0} 58. Qf1 {-6.33/12 0} Qa6+ {+4.88/17 0} 59. Bb5 {-6.93/12 0} Qa7
{+4.72/16 0} 60. Bc6 {-7.73/12 0} Re3 {+4.82/19 0} 61. Kb5 {-7.54/13 0} Rb3
{+4.94/18 0} 62. Qe1 {-11.40/12 0} Bc5 {+6.87/19 0} 63. Kc4 {-11.44/13 0}
Re3 {+7.11/18 0} 64. Re2 {-14.17/12 0} Bxb4 {+7.24/18 0} 65. Rxe3
{-15.58/12 0} Bxe1 {+8.25/19 0} 66. Rxe1 {-14.65/10 0 White resigns} 0-1[/pgn]
Previous Test Runs:
_________________________________________
Tournament Setup
Alexandria 9.1 ·
Oxide 3.0 ·
Tcheran 13.0 ·
BitBit 1.7 ·
Stormphrax 8.0 ·
Integral 8.0 ·
Arcanum 2.8 ·
Patricia 5.1 ·
Igel 3.7.0 ·
Minke 7.0 ·
Avalanche 4.0 ·
Cinder 0.6.0 ·
Cinder 0.3.1 ·
Devre 7.0 ·
Devre 6.0 ·
CODA 0.9.3 ·
Renegade 1.3 ·
Komodo Dragon 3.3 ·
Pawnocchio 2.0.1 ·
Viridithas 20.0 ·
Pawnocchio 2.0 ·
Tcheran 12.0 ·
Minke 6.0 ·
Grail 2.0 ·
PZChessBot 7.0