16.d4! [White takes advantage of the pin on the h1βa8 diagonal in order to dominate on the center.]
[16.Nf4 Rb8 17.Qc2 0β0 18.Rfd1 a6 19.Nc3 g5 20.Nfd5 Nxd5 21.cxd5 f5 22.Qb3 Qd6 23.d4 Nf3+ 24.Bxf3 exf3 25.Rac1 Kg7Β³; 16.Qa4 0β0 17.d4 Nf3+ (17...exd3?? 18.Bxb7) 18.Kh1 Ng4 19.Bxf3 exf3 20.Nc3 Qc8 21.Nf4 g5 22.Ncd5 Kh8 23.Nd3 Qf5 24.Ne1Β΅]
16...Nf3+ [16...exd3?? 17.Bxb7; 16...Nxc4 17.Qa4 c6 18.Qxc4 cxb5 19.Qxb5+ Qd7 20.a4β]
17.Bxf3 exf3 18.d5 c6 19.dxc6 Bxc6 20.Nd6+ Kf8 21.Qd4 Ne8 22.Nxe8 Qxd4 23.exd4 Rxe8=/+
Β½βΒ½
[16.Nf4 Rb8 17.Qc2 0β0 18.Rfd1 a6 19.Nc3 g5 20.Nfd5 Nxd5 21.cxd5 f5 22.Qb3 Qd6 23.d4 Nf3+ 24.Bxf3 exf3 25.Rac1 Kg7Β³; 16.Qa4 0β0 17.d4 Nf3+ (17...exd3?? 18.Bxb7) 18.Kh1 Ng4 19.Bxf3 exf3 20.Nc3 Qc8 21.Nf4 g5 22.Ncd5 Kh8 23.Nd3 Qf5 24.Ne1Β΅]
16...Nf3+ [16...exd3?? 17.Bxb7; 16...Nxc4 17.Qa4 c6 18.Qxc4 cxb5 19.Qxb5+ Qd7 20.a4β]
17.Bxf3 exf3 18.d5 c6 19.dxc6 Bxc6 20.Nd6+ Kf8 21.Qd4 Ne8 22.Nxe8 Qxd4 23.exd4 Rxe8=/+
Β½βΒ½
33...b5! [33...f5 34.a4 h4 35.gxh4 Be7 36.Ke2 Kf7 37.h5 gxh5 38.Kd3 Ke6 39.Kc2 Bf8 40.Kb3 a6 41.Bd2 Bh6 42.Kc2 Kd7 43.Kb3 Kc6=; 33...Kf8 34.Ke3 Ke7 35.h3 Ke6 36.a4 Be7 37.g4 f5 38.exf6 Kxf6 39.Bd2=]
34.h3 f5 35.Bb2 Kf7 36.g4?? [36.Bc1 a5Β΅; 36.g4 hxg4 37.hxg4 fxg4 38.Kg3 Ke6 39.Kxg4 Bd2β+]
36...fxg4 37.hxg4 h4 38.f5 a5 39.Kg2 Bd2 40.Kh3 g5
0β1
34.h3 f5 35.Bb2 Kf7 36.g4?? [36.Bc1 a5Β΅; 36.g4 hxg4 37.hxg4 fxg4 38.Kg3 Ke6 39.Kxg4 Bd2β+]
36...fxg4 37.hxg4 h4 38.f5 a5 39.Kg2 Bd2 40.Kh3 g5
0β1
22.Qb5! [Although White is a pawn up, he is behind in development and Black appears to have seized the initiative. By offering a trade of queens, White tries to bring his bishop into the action.]
22...Qc7 23.Be3! [β³Bb6]
23...exf4 [23...Rf5? 24.g4! β³fΓe5 24...Rf7 25.fxe5 Re7 26.Bd4 Bxe5 27.Bb6! Qc6+ 28.Qxc6 Rxc6 29.Bxa5Β±]
24.Bb6! Qe7 25.Rae1!β Qh4 26.Bc5! [β³Be7]
[26.Bxa5!? f3 27.gxf3 Rf7 28.Bb6!Β±]
26...Rg8 27.Be7 Qg4 28.Re4Β± [ΒΉ28.Qxa5! f3 29.Rxf3 Ra8 30.Qb4 Qxb4 31.Bxb4 Rxa4 32.g3Β±]
22...Qc7 23.Be3! [β³Bb6]
23...exf4 [23...Rf5? 24.g4! β³fΓe5 24...Rf7 25.fxe5 Re7 26.Bd4 Bxe5 27.Bb6! Qc6+ 28.Qxc6 Rxc6 29.Bxa5Β±]
24.Bb6! Qe7 25.Rae1!β Qh4 26.Bc5! [β³Be7]
[26.Bxa5!? f3 27.gxf3 Rf7 28.Bb6!Β±]
26...Rg8 27.Be7 Qg4 28.Re4Β± [ΒΉ28.Qxa5! f3 29.Rxf3 Ra8 30.Qb4 Qxb4 31.Bxb4 Rxa4 32.g3Β±]
Unity Chess Strategy Multiple Choice 279
public poll
C) f4 β 7
πππππππ 70%
@mahyarebrahimi1983, ΨΉΨ¨Ψ§Ψ³, Hadi, Majid, Hansika, @Kingbosskasyap, Arianna
B) NΓf6+ β 2
ππ 20%
@RahmaniArapardaz, @A_Somewhat_Cool_Guy
A) Nc5 β 1
π 10%
Uday
π₯ 10 people voted so far.
public poll
C) f4 β 7
πππππππ 70%
@mahyarebrahimi1983, ΨΉΨ¨Ψ§Ψ³, Hadi, Majid, Hansika, @Kingbosskasyap, Arianna
B) NΓf6+ β 2
ππ 20%
@RahmaniArapardaz, @A_Somewhat_Cool_Guy
A) Nc5 β 1
π 10%
Uday
π₯ 10 people voted so far.
Unity Chess Endgame Multiple Choice 279
public poll
B) a5 β 5
πππππππ 63%
Majid, @A_Somewhat_Cool_Guy, Hansika, Uday, @Kingbosskasyap
C) h5 β 2
πππ 25%
@mahyarebrahimi1983, Hadi
A) bΓa3 β 1
π 13%
Arianna
π₯ 8 people voted so far.
public poll
B) a5 β 5
πππππππ 63%
Majid, @A_Somewhat_Cool_Guy, Hansika, Uday, @Kingbosskasyap
C) h5 β 2
πππ 25%
@mahyarebrahimi1983, Hadi
A) bΓa3 β 1
π 13%
Arianna
π₯ 8 people voted so far.
The FIDE Candidates' tournament, Amsterdam, 27th April 1956. After the first session of play in the 17th-round encounter between Paul Keres (USSR) and Miroslav Filip (ΔSSR).
@UnityChess
@UnityChess