Event: Round 3: Jahn, Peter - Heinbuch, Detlef Ulrich
Date: 2024-04-08
White: Jahn, Peter
WhiteElo: 2068
Black: Heinbuch, Detlef Ulrich
BlackTitle: IM
BlackElo: 2273
Result: 1/2-1/2
ECO: A44
Opening: Benoni Defense: Old Benoni
Variant: Standard

1. d4 { [%eval 0.17] [%clk 2:10:54] } 1... c5 { [%eval 0.63] [%clk 2:10:47] } 2. d5 { [%eval 0.8] [%clk 2:11:03] } 2... e5?! { [%eval 1.59] } { Inaccuracy. Nf6 was best. } { [%clk 2:10:00] } 3. Nc3?! { [%eval 0.99] } { Inaccuracy. Nd2 was best. } { [%clk 2:10:51] } 3... d6 { [%eval 1.05] [%clk 2:10:18] } 4. e4 { [%eval 1.61] [%clk 2:11:01] } 4... a6 { [%eval 1.67] [%clk 2:09:07] } 5. a4 { [%eval 1.19] [%clk 2:11:07] } 5... b6 { [%eval 1.36] [%clk 2:08:56] } 6. Nf3 { [%eval 1.18] [%clk 2:10:27] } 6... Bg4 { [%eval 1.28] [%clk 2:07:50] } 7. Be2 { [%eval 1.18] [%clk 2:09:45] } 7... Bxf3 { [%eval 1.29] [%clk 2:07:33] } 8. Bxf3 { [%eval 1.25] [%clk 2:09:28] } 8... Be7 { [%eval 1.22] [%clk 2:05:16] } 9. O-O { [%eval 0.83] [%clk 2:07:34] } 9... Nf6?! { [%eval 1.74] } { Inaccuracy. Bg5 was best. } { [%clk 2:03:22] } 10. Be3 { [%eval 1.51] [%clk 2:05:28] } 10... O-O { [%eval 1.61] [%clk 2:03:27] } 11. Qe2 { [%eval 1.13] [%clk 2:04:14] } 11... Ne8 { [%eval 1.19] [%clk 2:01:39] } 12. Bg4 { [%eval 0.95] [%clk 2:00:07] } 12... g6 { [%eval 1.43] [%clk 1:33:48] } 13. Bh3 { [%eval 0.92] [%clk 1:47:50] } 13... Ng7 { [%eval 1.47] [%clk 1:18:02] } 14. g3 { [%eval 1.43] [%clk 1:34:06] } 14... f5 { [%eval 1.76] [%clk 1:02:59] } 15. f4 { [%eval 1.75] [%clk 1:14:23] } 15... Nd7 { [%eval 1.73] [%clk 0:50:23] } 16. Qd1? { [%eval 0.56] } { Mistake. exf5 was best. } { [%clk 1:07:33] } 1/2-1/2