1.d4 d5 2.e4 dxe4 3.Nc3 e5
4.dxe5 Qxd1+ 5.Kxd1 Bf5 6.Bf4 Nd7 7.Nge2 0–0–0
8.Ke1 Bb4 9.a3 Bxc3+ 10.Nxc3 Ne7 11.Bc4 Ng6 12.Bg5= and 1–0 in 24. Palczert - Reprintsev, chess.com 2024
4.Bc4 Nf6 (4...Qxd4!) 5.Nge2 (5.dxe5=) 5...exd4
6.Nxd4 (6.Qxd4 Qxd4 7.Nxd4=) 6...Bc5 7.Be3 0–0 8.0–0 Ng4 (Better is 8...Bg4) 9.h3 Nxe3 10.fxe3 Nc6 11.Nxe4= and ½–½ in 31. Capp -Jorquera, chess.com 2022
4.Nxe4 (Diemer's favorite choice.) and now:
4...Nf6 5.Bg5 Be7 6.Bxf6 gxf6 7.Nf3
7...Nc6 (7...f5=) 8.Bb5 Bd7 9.d5!? Nb4 10.Bxd7+ Qxd7 11.c4= but 0–1 in 58. Terrieux - Sztokbant, chess.com 2022
4...Qxd4 5.Bd3 Nc6 6.Nf3 Qb6 7.0–0
7...Bg4 (7...f5!?=) 8.Be3 Qa5 9.a3 0–0–0= and 0–1 in 57. Christensen - Erden, chess.com 2021
4.d5 and now:
4...f5 5.g4 Nf6 6.gxf5 Bxf5 7.Bg5 Be7
8.Qd2 (8.Bh3!?) 8...Nbd7 9.0–0–0 0–0
and 0–1 in 29. Skiadopoulos - Mayaud, chess.com 2023
4...Nf6 and now:
5.a3 Bc5 6.Bg5
6...Bb6 (6...Bf5 seems to favor Black.) 7.Qd2 h6 8.Bxf6 Qxf6 9.Nxe4 Qg6 10.Ng3 0–0 11.0–0–0 f5= and 0–1
in 28. Golubka - Alekseenko, lichess.org 2021
5.Bg5 Bb4 6.Bb5+ Bd7 7.Qe2 Bxc3+ 8.bxc3
0–0
9.Bxd7 Nbxd7 10.c4 h6 11.Bh4 c6 favors Black, and 0–1 in 27. Donatti -
Novak, chess.com 2023
5.Bc4 c6 6.Nge2 (6.Bg5!?) 6...cxd5 7.Nxd5 Nc6 8.0–0 Be6
9.Nec3
9...h6 10.Nxf6+ Qxf6 11.Nxe4 Qg6 12.Bxe6 Qxe6 13.c3= and 1–0 in 62. Janaszak
- Alahakoon, chess.com 2021
4.Qh5 and now:
4...exd4 5.Bc4 and now:
5...Qf6? 6.Nd5 Qd6
7.Bf4! g6 8.Bxd6 gxh5 9.Nxc7+ Kd8
10.Bxf8! Kxc7 11.Bg7 1–0 Arslanov - Perez
Rodriguez, chess.com 2023
5...Qe7 6.Bg5 Nf6 7.Bxf6 Qxf6 8.Nxe4 Qe7 9.0–0–0 g6 10.Qe2
Be6
11.Bxe6 fxe6 12.Nf3 Nc6 13.Nxd4 Bg7 14.Nxc6 bxc6 15.Rhe1 0–0 16.Nd2 Rab8
17.Nb3 Qf6 18.Qxe6+ Qxe6 19.Rxe6 Rxf2 20.Rd2 Bh6 21.c3 Rd8 0–1 Graif - Mayaud,
chess.com 2023
4...Nf6 5.Qxe5+ and now:
5...Qe7 6.Bg5 Nc6 7.Bb5
7...Nd7 (This
knight move loses a piece. If 7...Qxe5 8.dxe5 Nd7 9.Bxc6 bxc6 10.0–0–0 White
stands better.) 8.Bxc6 Qxe5 9.Bxd7+ 1–0 Graif - Beulen, chess.com 2023
5...Be7 6.Bb5+ [6.Bf4=]
6...Bd7
7.Be3 0–0 8.0–0–0 Bd6 9.Qg5 Nc6 10.Nh3 Re8 [10...h6!?] 11.Qh4 Nb4
12.Bg5 [12.Bc4=]
12...Nxa2+
13.Nxa2 Bxb5 14.Nc3 Bc4 15.Rhe1 Be7 16.d5 Qd6
17.Rd4 [17.Nxe4=] 17...b5 [If 17...Qa6! Black is winning.]
18.Nxe4 Nxe4
19.Rdxe4 Bxg5+? [19...f6
20.Bxf6 Bxf6 21.Rxe8+ Rxe8 22.Rxe8+ Kf7 23.Qe4=]
20.Nxg5 Rxe4
21.Qxh7+ Kf8 22.Qh8+ [1–0
Arslanov - Daeschler, chess.com 2024
For an expanded look at the 50 games (105 diagrams) I did last year, see my new book Chess Chronicles: Blackmar-Diemer Gambit and Other Chess Games