41...Bb7!? [41...Bc6! 42.Ne4 Re5 43.Ng3 Bd7 44.Re4 Rg5 45.Rf4 a5 46.Kd1 Ke8 47.Rc4 Be6 48.Re4 Kf7 49.Kd2 Bd7 50.Ne2 Bc6 51.Rc4 Bb5 52.Re4 e5 53.Nc3 Rf5 54.Nd1 Bc6 55.Rc4 g3 56.fxg3 Rf1 57.Ke2 Rh1 58.Nf2 Rxh2 59.Rh4 Bd5 60.Rh7+ Kg6 61.Rxh3 Rxh3 62.Nxh3 c4 63.bxc4 Bxc4+ 64.Kd2 Bxa2µ; 41...Bd5 42.Ne4 Rg8 43.Nxc5 e5 44.Rb4 Rc8 45.Nd3 Rc2 46.Rxg4 Rxa2 47.Rh4 Bxb3 48.Nc5 Bd5 49.Rxh3 a5µ]
42.Ke2 [42.Rc4! Ke8 43.Ne4 Bxe4 44.Rxe4 Kd7=/+]
42...Bc6 43.Kd3 e5 44.Rc4 Bb5 45.Ne4 Bxc4+ 46.Kxc4 Rg8 47.Kxc5 Rc8+ 48.Kb6 Rc2
0–1
42.Ke2 [42.Rc4! Ke8 43.Ne4 Bxe4 44.Rxe4 Kd7=/+]
42...Bc6 43.Kd3 e5 44.Rc4 Bb5 45.Ne4 Bxc4+ 46.Kxc4 Rg8 47.Kxc5 Rc8+ 48.Kb6 Rc2
0–1
38...Qb7! [This quiet move besides defending the rook and protecting his king maintains Black's attacking chances along the h1–a8 diagonal.]
39.Qc2 [39.Qd3 Ne3! 40.Qd6+ Kf5 41.Qd3+ Re4 42.Rc1 g5!–+ △Kg6]
39...f3! [Maybe it seemed that the black king was more vulnerable than its counterpart, But now it turns out to be the opposite of what we expected.]
40.Kg1 Qb6+! [40...fxg2!? 41.Qf2 Rb2!–+ △Qb6]
41.Kh2 fxg2‚ 42.Rg1 Qd4–+ [△Qf4]
39.Qc2 [39.Qd3 Ne3! 40.Qd6+ Kf5 41.Qd3+ Re4 42.Rc1 g5!–+ △Kg6]
39...f3! [Maybe it seemed that the black king was more vulnerable than its counterpart, But now it turns out to be the opposite of what we expected.]
40.Kg1 Qb6+! [40...fxg2!? 41.Qf2 Rb2!–+ △Qb6]
41.Kh2 fxg2‚ 42.Rg1 Qd4–+ [△Qf4]
Unity Chess Strategy Multiple Choice 219
public poll
A) e5 – 2
👍👍👍👍👍👍👍 33%
@mahyarebrahimi1983, Kasyap
B) f4 – 2
👍👍👍👍👍👍👍 33%
@Sophia_Giraffe, Matthew
C) Re1 – 2
👍👍👍👍👍👍👍 33%
Max, @A_Wild_Richard
👥 6 people voted so far.
public poll
A) e5 – 2
👍👍👍👍👍👍👍 33%
@mahyarebrahimi1983, Kasyap
B) f4 – 2
👍👍👍👍👍👍👍 33%
@Sophia_Giraffe, Matthew
C) Re1 – 2
👍👍👍👍👍👍👍 33%
Max, @A_Wild_Richard
👥 6 people voted so far.
Unity Chess Endgame Multiple Choice 219
public poll
C) Bd3 – 8
👍👍👍👍👍👍👍 100%
@mahyarebrahimi1983, @hosssein_G, @miladnajafiyan, @Sophia_Giraffe, @A_Wild_Richard, Alan, Matthew, Kasyap
A) a4
▫️ 0%
B) h×g7
▫️ 0%
👥 8 people voted so far.
public poll
C) Bd3 – 8
👍👍👍👍👍👍👍 100%
@mahyarebrahimi1983, @hosssein_G, @miladnajafiyan, @Sophia_Giraffe, @A_Wild_Richard, Alan, Matthew, Kasyap
A) a4
▫️ 0%
B) h×g7
▫️ 0%
👥 8 people voted so far.
Levon Aronian, Anish Giri, Dmitry Jakovenko, Sergey Karjakin, Shakhriyar Mamedyarov and Nikit Vitiugov all had to leave the FIDE Grand Prix in Moscow early. Sunday's tiebreaks will decide the matches Nakamura-Radjabov and Duda-So.
1956-MANIAC,First chess computer ever.
1981-Cray Blitz,first computer to beat a master.
1988-Deep Thought,first computer to beat a grand master.
1994-Chess Genius,first computer to beat a world champion in RAPID.
1997-Deep Blue,first computer to beat a world champion in a match.
@UnityChess
1981-Cray Blitz,first computer to beat a master.
1988-Deep Thought,first computer to beat a grand master.
1994-Chess Genius,first computer to beat a world champion in RAPID.
1997-Deep Blue,first computer to beat a world champion in a match.
@UnityChess
Haninge (Sweden), May 1990. The 6th-round meeting of grandmaster Ferdinand Hellers (Sweden) and ex-World Champion Anatoly Karpov (USSR). Karpov won this encounter - a Vienna Game - in 39 moves.
@UnityChess
@UnityChess
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Daniil Dubov on his #GrandPrixFIDE blockbuster vs Anish Giri.
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"I was about to play 37.Nxf7+ but he [Anish Giri] did not allow me." Daniil Dubov explains the game that knocked out the Dutchman from the Moscow Grand Prix.