Armand Blackmar invented 1.d4 d5 2.e4 dxe4 3.f3 when Black has pressure with 3...e5! E.J. Diemer later refined the opening with 3.Nc3 Nf6 4.f3 when 4...e5? 5.dxe5! attacking the knight gives White a great game. Also, the Lemberger Countergambit 3.Nc3 e5 may be met by the simple 4.Nge2 or complex 4.Nxe4. Fortunately, White soon got the better game in the Blackmar Gambit between Simone Bergero and Gianfrancesco Rigo.
Bergero (1984) - Rigo (1845), 41st Arco Open ITA, 10.10.2019 begins
1.d4 d5 2.e4 dxe4 3.f3 e5 4.d5 [4.dxe5 Qxd1+ 5.Kxd1 exf3 6.Nxf3 Nc6=/+]
4...Bc5 5.Nc3 Bxg1 [5...exf3! 6.Nxf3 Nf6=/+]
6.Rxg1 Qh4+ [6...exf3=]
7.g3 Qxh2 8.Rg2 Qh5 9.Nxe4 f5 10.Nc3 Nf6 11.Be3 [11.Re2=]
11...0-0 12.Bc4 Na6 13.Qe2 e4 14.fxe4 Qxe2+
15.Kxe2 [15.Rxe2+/-]
15...fxe4 16.d6+ Kh8 17.Bxa6 bxa6 18.dxc7 Bg4+ 19.Ke1 Rac8 20.Bf4 Bf3 21.Rd2 h6 22.a4 g5 23.Bd6 Rfe8 24.Ra3 Re6 [24...Kg7 25.Nd1+/=]
25.Rb3 Ne8 [25...Ree8 26.Rb8+-]
26.Rb8 Nxd6 [26...e3 27.Rd3+-]
27.Rxd6 Rxd6 28.Rxc8+ 1-0
New! Chess Training Repertoire Moves 4 (200 Openings)
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