Event: Biel Chess Festival 2025 Blitz
Site: Biel, Switzerland
Date: 2025-07-20
White: Dau Khuong Duy
WhiteTitle: IM
WhiteElo: 2444
Black: Leonov, Leonid
BlackElo: 1986
Result: 1-0
ECO: B23
Opening: Sicilian Defense: Closed
Variant: Standard
TimeControl: 3 min + 2 sec per move

1. e4 { [%eval 0.18] [%clk 0:03:02] } 1... c5 { [%eval 0.25] [%clk 0:03:02] } 2. Nc3 { [%eval 0.26] [%clk 0:03:01] } 2... d6 { [%eval 0.16] [%clk 0:03:03] } 3. g3 { [%eval 0.0] [%clk 0:02:47] } 3... Nc6 { [%eval 0.0] [%clk 0:03:02] } 4. Bg2 { [%eval 0.0] [%clk 0:02:48] } 4... g6 { [%eval -0.01] [%clk 0:03:04] } 5. Nge2 { [%eval -0.07] [%clk 0:02:46] } 5... Bg7 { [%eval 0.0] [%clk 0:03:05] } 6. O-O { [%eval 0.0] [%clk 0:02:46] } 6... e6 { [%eval 0.0] [%clk 0:03:06] } 7. d3 { [%eval -0.13] [%clk 0:02:42] } 7... Nge7 { [%eval 0.0] [%clk 0:03:08] } 8. Be3 { [%eval -0.14] [%clk 0:02:42] } 8... Rb8 { [%eval 0.16] [%clk 0:03:09] } 9. d4 { [%eval 0.14] [%clk 0:02:43] } 9... cxd4 { [%eval 0.34] [%clk 0:03:08] } 10. Nxd4 { [%eval 0.33] [%clk 0:02:43] } 10... O-O { [%eval 0.34] [%clk 0:03:06] } 11. Ndb5 { [%eval 0.35] [%clk 0:02:43] } 11... d5 { [%eval 0.81] [%clk 0:02:34] } 12. exd5 { [%eval 0.94] [%clk 0:02:43] } 12... a6?? { [%eval 4.33] } { Blunder. exd5 was best. } { [%clk 0:02:17] } 13. dxc6 { [%eval 4.37] [%clk 0:02:37] } 13... Qxd1 { [%eval 4.74] [%clk 0:02:11] } 14. Raxd1 { [%eval 4.65] [%clk 0:02:34] } 14... axb5 { [%eval 5.08] [%clk 0:02:12] } 15. c7 { [%eval 5.12] [%clk 0:02:32] } 15... Ra8 { [%eval 5.17] [%clk 0:02:12] } 16. Bc5 { [%eval 5.13] [%clk 0:02:32] } 16... Re8 { [%eval 5.74] [%clk 0:01:59] } 17. Rd8 { [%eval 5.62] [%clk 0:02:32] } 17... Kf8 { [%eval 5.65] [%clk 0:02:01] } 18. Nxb5 { [%eval 5.65] [%clk 0:02:29] } 18... Be5 { [%eval 5.5] [%clk 0:01:24] } 19. Rfd1 { [%eval 5.63] [%clk 0:02:30] } 19... Ra5?! { [%eval 8.17] } { Inaccuracy. f5 was best. } { [%clk 0:01:20] } 20. Rxe8+ { [%clk 0:02:29] } 1-0