nummerzwei has kibitzed 656 times to chessgames   [more...]

Jul-22-23 G Szilagyi vs Benko, 1950   nummerzwei: The endgame at move 13 is close to winning for Black. Nevertheless, the queen sacrifice 9.Nxe4? could also have been refuted outright: Black had the stunning 10...Nf4!! [DIAGRAM] with a decisive material advantage after 11.Nxf4 Be7 or 11.Bxd8 Nxd5.      Jul-16-23 Tal vs Botvinnik, 1960   nummerzwei: At move 22, Tal offers the d4-pawn with 22.Rh3!? (in place of 22.c3 with play similar to the game): [DIAGRAM] In case of 22...Rxd4, he had prepared 23.Nxf7!, whereupon 23...Kxf7? 24.Bxe6+ loses for Black as follows: a) 24...Ke7/Ke8?! 25.Bf5+ +- b) 24...Kf8 25. Rf3+ +- c) ...      Jul-04-23 I Rogers vs Jansa, 1983   nummerzwei: White could have drawn easily with lines such as 23.Rb1 Bc8 24.b7 or 26.Rc8 Rxb7 27.Bxb7 Bxc8 28.Bxc8. After 26.e4? Bxe4!, the problem is that the intended "winning move" 27. Rc8 allows 27...Bd3! [or 27...Rb1+ 28.Kh2 Bd3] 28.Bxd3 (28.b8=D?! Rxb8 29.Rxb8 Bxa6) Rxb7 with an extra ...      Jun-10-23 Tal vs Botvinnik, 1960   nummerzwei: <Tal should have played 7.Nf4 Bd6 8.h4 Qc7 9.h5 Bxc2 10.Qg4 with an attack for the pawn. (7.Nf4 is more principled than 7.h4 in this position.)> Tal claims as much in his book on the match, which took me aback when I first read it. I recalled that 9...Bxc2! is supposed to ...      Apr-22-23 E Delmar vs Steinitz, 1894    nummerzwei: If 4...Qh4 is supposed to be viable, why not 4...Qe7? Still, was the move order <4...Qe7 5.Nf5 Qxe4+> actually played in this game in place of <4...Qh4 5.Nf5 Qxe4+>? In his book <4...Dh4 in der Schottischen Partie>(1999), Lev Gutman refers to the latter line as ...      Mar-19-23 Petrosian vs Portisch, 1965   nummerzwei: Portisch's 35...Bxc4+ and 36...Qh3 is highly reminiscent of Veselin Topalov's <surprisingly simple manoeuvre> (Stefan Kindermann) from Wijk aan Zee 2007: Topalov vs Van Wely, 2007 [DIAGRAM] 26.Bxc5! Nxc5 27.Qh6 (1:0, 35)      Mar-19-23 S Slonim vs N Riumin, 1931   nummerzwei: [DIAGRAM] Black resolutely takes control of d2: 19...Re2!! 20.Bxe2 Ne4 0:1. When I played through this game in Roizman's <400 Kurzpartien> (1982), I asked myself if hadn't seen it before in Jon Tisdall's book <Improve Your Chess Now> (1997), but in fact Tisdall has ...      Mar-12-23 E Delmar vs Lipschutz, 1888   nummerzwei: The trap (up to 13...Bxh3) was played in a number of successor games: Yaremko - Kravtsiv, Kramatorsk 2002 Sucipto - Irwanto, Jakarta 2013 Klekowski - Liyanage, Internet 2022 The second mentioned game concluded strangely: 14.Kh2 [DIAGRAM] 14...Bd6 0:1 Of course, 14...Qxg2# ...      Feb-27-23 M Denoth vs C Lutz, 1994   nummerzwei: In his book <Improve Your Chess Now> (1997), Jon Tisdall gives the bishop sacrifice 57...Bb1 58.Kc1 Bxa2 59.Kb2, [DIAGRAM] but asserts that this 'causes complications' for Black. This is too lazy for my taste; even without today's engines, it should be clear that Black wins      Jan-26-23 V Ivic vs L P Supi, 2023   nummerzwei: After 10.a4, [DIAGRAM] Supi's <Brazilian> manoeuvre 10...Nf8 11.Be2 Ng6 immediately brought up this predecessor: Tseshkovsky vs Mecking, 1976 (after 11.Nd2) [DIAGRAM] 11...g5 12.Bg3 Nf8 13.Bc4 Be6 14.Bb3 Ng6 (0-1, 39)

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