[Event "?"]
[Site "?"]
[Date "2025.06.23"]
[Round "1"]
[White "Helios-base"]
[Black "Helios-dev"]
[Result "1-0"]
[FEN "rn1qkb1r/1ppbpppp/p2p1n2/8/3PP3/2N2PP1/PPP4P/R1BQKBNR w KQkq - 0 1"]
[GameDuration "00:00:00"]
[GameEndTime "2025-06-23T14:40:03.452 UTC"]
[GameStartTime "2025-06-23T14:40:03.266 UTC"]
[PlyCount "41"]
[SetUp "1"]
[Termination "illegal move"]
[TimeControl "0.86+0.01"]

1. b4 {+1.00 3/0 1 5510} a5 {-1.00 4/0 1 13781} 2. bxa5 {-1.00 4/0 1 10990}
Rxa5 {0.00 1/0 1 2} 3. a3 {0.00 1/0 1 37} b6 {+1.00 1/0 1 41}
4. h3 {-1.00 4/0 1 21147} b5 {+1.00 3/0 1 3682} 5. f4 {-1.00 4/0 1 18046}
Nxe4 {-1.20 5/0 1 16076} 6. Nxe4 {+3.20 5/0 1 16160} b4 {-1.20 3/0 1 1874}
7. c3 {+1.20 4/0 1 11633} bxc3 {-2.20 4/0 0 9931} 8. Nxc3 {+2.20 3/0 0 2535}
d5 {-5.50 4/0 0 5171} 9. a4 {+1.20 4/0 0 13195} e6 {-3.20 4/0 0 12276}
10. Bd2 {+3.20 3/0 0 6886} Bb4 {-4.20 4/0 1 7498} 11. Nxd5 {0.00 4/0 0 3663}
Bxd2+ {0.00 4/0 0 6098} 12. Qxd2 {+1.00 5/0 1 13748} Rxd5 {+1.00 3/0 2 1996}
13. Bc4 {+1.00 3/0 0 2289} c6 {-3.20 4/0 1 19939} 14. Rb1 {+3.20 3/0 0 3821}
Ra5 {-3.20 4/0 1 12833} 15. Rxb8 {+2.20 4/0 1 14498} Qxb8 {-2.20 3/0 1 2634}
16. Qxa5 {0.00 4/0 2 13476} Qb1+ {-3.20 4/0 2 18978} 17. Kd2 {+0.90 4/0 2 7572}
c5 {-6.50 4/0 2 14467} 18. Qa8+ {+1.90 4/0 2 25217} Ke7 {-3.20 1/0 0 4}
19. Qxh8 {+4.90 4/0 2 18864} Qb4+ {-5.00 1/0 1 35} 20. Kc1 {+4.90 5/0 2 10135}
Qxc4+ {-7.20 4/0 1 3758}
21. Kb1 {+4.90 1/0 0 5, Black makes an illegal move: b4c4} 1-0