Event: IV Rio Chess Open 2025 - STD
Site: idChess.com
Date: 2025-05-08
White: Pinheiro, Iung Alicio de O.
WhiteTitle: FM
WhiteElo: 2282
Black: Neves, Leonardo C B C De Almeida
BlackTitle: NM
BlackElo: 2148
Result: 1-0
ECO: A48
Opening: East Indian Defense
Variant: Standard
TimeControl: 5400+30

1. d4 { [%eval 0.17] } 1... Nf6 { [%eval 0.19] } 2. Nf3 { [%eval 0.11] } 2... g6 { [%eval 0.22] } 3. e3 { [%eval 0.19] } 3... Bg7 { [%eval 0.19] } 4. Be2 { [%eval 0.0] } 4... O-O { [%eval 0.27] } 5. O-O { [%eval 0.0] } 5... c5 { [%eval 0.07] } 6. dxc5 { [%eval 0.06] } 6... Qa5 { [%eval 0.54] } 7. a3 { [%eval 0.35] } 7... Qxc5 { [%eval 0.33] } 8. b4 { [%eval 0.29] } 8... Qc7 { [%eval 0.27] } 9. Bb2 { [%eval 0.32] } 9... d6 { [%eval 0.3] } 10. c4 { [%eval 0.28] } 10... a5 { [%eval 0.35] } 11. Nc3 { [%eval 0.34] } 11... Bd7 { [%eval 0.43] } 12. Qb3 { [%eval 0.39] } 12... Na6 { [%eval 0.54] } 13. Nd4 { [%eval 0.4] } 13... Qb6 { [%eval 0.29] } 14. Ndb5 { [%eval 0.41] } 14... Rfc8 { [%eval 0.53] } 15. Na4 { [%eval 0.57] } 15... Qd8 { [%eval 0.57] } 16. Bd4 { [%eval 0.62] } 16... axb4?! { [%eval 1.19] } { Inaccuracy. Ne4 was best. } 17. axb4?! { [%eval 0.5] } { Inaccuracy. Nb6 was best. } 17... Bc6?? { [%eval 3.23] } { Blunder. Bxb5 was best. } 18. Nb6 { [%eval 3.45] } 18... Ne4 { [%eval 3.96] } 19. Nxc8 { [%eval 3.72] } 19... Bxd4 { [%eval 3.85] } 20. Nxd4 { [%eval 3.94] } 20... Rxc8 { [%eval 4.53] } 21. Nxc6 { [%eval 4.51] } 21... Rc7? { [%eval 8.74] } { Mistake. Rxc6 was best. } 22. Qc2?! { [%eval 5.22] } { Inaccuracy. Nxd8 was best. } 22... Rxc6 { [%eval 5.88] } 23. Kh1?! { [%eval 4.39] } { Inaccuracy. b5 was best. } 1-0