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📕 #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
📕Unity Chess Multiple Choice 71

B: Qb6 – 17
👍👍👍👍👍👍👍 71%

A: g6 – 6
👍👍 25%

C: Nc7 – 1
▫️ 4%

👥 24 people voted so far.
⚪️#72 (Strategy-Black to Move)
🔸Kramnik,Vladimir (2715) - Ehlvest,Jaan (2615)
🔸Riga Tal Memorial Riga 1995
📕Unity Chess Multiple Choice 72

B: d5 – 22
👍👍👍👍👍👍👍 71%

A: o-o – 5
👍👍 16%

C: Be3 – 4
👍 13%

👥 31 people voted so far.
⚫️#71 (Strategy-Black to Move)
🔸Marshall,Frank James - Rubinstein,Akiba
🔸Lodz Dreimeisterturnier 1908
📕71#

Marshal suffers from lack of coordination among his pieces. Rubinstein utilizes his advantage by attacking his opponent's pawns to create further weaknesses in his camp, converting his temporary advantage into a material or stable positional advantage.
18...Qb6! 19.Nb3 (19.c3 Qa5! wins a pawn.) 19...a5! -/+
⚪️#72 (Strategy-Black to Move)
🔸Kramnik,Vladimir (2715) - Ehlvest,Jaan (2615)
🔸Riga Tal Memorial Riga 1995
📕#72

Botvinnik variation is one of the most dynamic, complicated and theoretical lines in the Semi-Slav opening. White's pieces are developed more harmoniously and his king seems safer than his opponent's one. White utilizes his advantage by a creative continuation.
16.d5! exd5 17.Qf5!! dxe4?! 18.0-0-0! Rc7 19.Bg4 Bb5 20.Qxe4+ Kd8 21.Bxd7 Bxd7 22.Rhe1+- threatening Qe8 mate.
🔴 #35

P.Eljanov - A.Naiditsch