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⚫️ 68 (Strategy-Black to Move)
🔸Nikolic,Pr - Ivanchuk,V
🔸Tilburg, 1990
📕 #68

11...c4!

Considering that the white's pawn majority can hardly become a mobile pawn center due to the misplaced knight on f3, black starts pushing his own pawn majority to create a passed pawn on the queenside. 11...b6 is a positional mistake, as it shuts off his own queen, so white can start an attack on the other side of the board by Nh4.
🔴 #34

An.Karpov - G.Kasparov (1990)
⚫️ 69 (Strategy-Black to Move)
🔸Kalantar,A - Petrosian,Tigran V
🔸ARM-ch Yerevan 1946
📕Unity Chess Multiple Choice 69

C: Ne5 – 17
👍👍👍👍👍👍👍 63%

A: Re8 – 5
👍👍 19%

B: a6 – 5
👍👍 19%

👥 27 people voted so far.
⚫️#70 (Strategy-Black to Move)
🔸Petrosian,Tigran V - Spassky,Boris Vasilievich
🔸World-ch26-Moscow-1969
📕Unity Chess Multiple Choice 70

A: Qb6 – 24
👍👍👍👍👍👍👍 71%

C: Qd6 – 6
👍👍 18%

B: Bg6 – 4
👍 12%

👥 34 people voted so far.
USSR Chess Team 1954
(Smyslov, Bronstein, Keres, Botvinnik)
⚪️ #65 (Strategy - White To Move)
📕 #65
The threat on d5 is not so serious yet!
12.Re1! Simply develops a piece. Now white can respond 12...cd5 by 13.ed5! ed5 14.Bf3 retaking the pawn. Instead of 12.Re1, Taking on c6 is possible but it is preferable to keep spatial advantage. 12.Bf3 to protect d5 is unnecessary and wastes a tempo. In addition, the bishop on f3 is vulnerable to attack by Nd7-e5 in future.
⚫️ 69 (Strategy-Black to Move)
🔸Kalantar,A - Petrosian,Tigran V
🔸ARM-ch Yerevan 1946
📕 #69

In this position, due to white's spatial advantage, most exchanges favor black. Black exchanges Bc8 by means of a nice typical tactic.
1...Ne5! 2.b3 Bh3!
⚫️#70 (Strategy-Black to Move)
🔸Petrosian,Tigran V - Spassky,Boris Vasilievich
🔸World-ch26-Moscow-1969
📕 #70
1...Bg6! With the idea of manuvering the knight to the weakened f4 square.
🔴 #34

A.Shirov - D.King (1990)
🔺 #34👇👇

1.e5!! dxe5 [1...fxe5 2.Rf7+ Kh6 3.Qc1++-;
1...f5 2.Nxf5+!! gxf5 (2...Kf8 3.Nxd6+) ;
1...Raf8 2.Nf5++-] 2.Nf5+!! gxf5 [2...Kf8 3.Nd6 Bxd6 4.Qxg6+-] 3.Rg3+ Kf8 4.Qxf5 Qf4 [4...Qh4 5.Rh3+-] 5.Qg6 Ra7 6.Rh3! Rxh3 7.Qg8+ Ke7 8.d6+! Bxd6 9.Qf7+ Kd8 10.Rxd6+ 1-0
⚫️#71 (Strategy-Black to Move)
🔸Marshall,Frank James - Rubinstein,Akiba
🔸Lodz Dreimeisterturnier 1908