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9...Qc7 has been played with the idea of transfering the queen to its typical square in Maroczy bind, a5.
The more common variation is 9...0-0 and now:
A)10.0-0 Rc8! 11.b3 d5! which is a creative idea from Ivanchuk and we had covered it in our strategy multiple choice at unitychess channel few weeks ago.
B) 10.Be3 Rc8 11.b3 a6 planning b5.
🔸2nd Paytakht Cup 2017 Tehran
🔸Round 3
⚪️Mosadeghpour,Masoud (2513)
⚫️Idani,Pouya (2572)
🔸0-1
📘10.Qe2
By playing Qe2 white is trying to deviate from the common 10.b3.
10...Nc6 11.Be3 0-0
And white can hardly claim any advantage here.
🔸2nd Paytakht Cup 2017 Tehran
🔸Round 3
⚪️Mosadeghpour,Masoud (2513)
⚫️Idani,Pouya (2572)
🔸0-1
📘13...a5
Black is starting a minority attack on the queenside while c6 pawn has covered the d5 outpost. These are the consequences of taking on c6 in the Maroczy bind!
🔸2nd Paytakht Cup 2017 Tehran
🔸Round 3
⚪️Mosadeghpour,Masoud (2513)
⚫️Idani,Pouya (2572)
🔸0-1
📘62.b5? cxb5 63.cxb5 Nd7
By an interception black wins the a pawn and the game. White should have played 62.Rb7 to prevent his rook from being cut off by Nd7 and then he could push the b pawn.
🔸2nd Paytakht Cup 2017 Tehran
🔸Round 3
⚪️Darini,Pouria (2481)
⚫️Tabatabaei,M amin (2566)
🔸0-1
📘10.Nd3 is a fasionable move in top level. From d3 the knight controls the key c5 and f4 squares and overprotects e5. Darini had played this position with another move order of black against Zaur Mammadov and continued with f4 and Bh5.
The alternative is 10.Bh5 that Anand played it against Giri in 2015. After Bh5 the pressure over f7 prevents black from castling on the queenside in the next few moves.
🔸2nd Paytakht Cup 2017 Tehran
🔸Round 3
⚪️Darini,Pouria (2481)
⚫️Tabatabaei,M amin (2566)
🔸0-1
📘31.Qe2 e5 32.Nf3 Bd3 33.Qd2 f4=
Black has an active position.
The right move is the prophylactic
31.Qd1!+/-, which prevents black from playing e5:
31...e5? 31.N×f5! R×f5 32.Q×d5 B×d5 33.R×f5 +-
🔸2nd Paytakht Cup 2017 Tehran
🔸Round 3
⚪️Sibashvili,Giorgi (2412)
⚫️Shamsi,Mohammadhossein (2189)
🔸1-0
📘23.Rf7? K×f7 24.R×d7 Ke6 25.R×d4 R×g2 +/-
The Georgian International master missed a forced win.
23.Re8+! Kd6 24.Rd1!+- threatening both Rxd4 and Bxe5.
🔸2nd Paytakht Cup 2017 Tehran
🔸Round 3
⚪️Fendereski,Nima (2294)
⚫️Pira,Davoud (2332)
🔸½-½
📘After the game move 30...Qa1+ black has the upper hand. A stronger move would be 30...e4 and now.
30...e4
A) 31.Rg3 e3-+
B) 31.Nxe4 Qb1+ 32.Ke2 Qxc2-+
C) 31.Rxd5 Ne3+ 32.Kd2 Nxd5 33.Nxd5 Qd4-+
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🔸2nd Paytakht Cup 2017 Tehran
🔸Round 3
⚪️Ghaem Maghami,Ehsan (2564)
⚫️Mousavi,Seyed Khalil (2456)
🔸1-0
🔸2nd Paytakht Cup 2017 Tehran
🔸Round 4
⚪️Tabatabaei,M amin (2566)
⚫️Demchenko,Anton (2649)
🔸1-0
📘 9.h4
Is an aggrassive move to start an attack on black's king by the pawn sacrifice h5.
Prophylactic alternatives are 9.Nc1 and 9.Rc1 to halt b5.
🔸2nd Paytakht Cup 2017 Tehran
🔸Round 4
⚪️Tabatabaei,M amin (2566)
⚫️Demchenko,Anton (2649)
🔸1-0
📘 39...Nc8? seems inactive.
40.Be6! Re8 41.Bf5+ Kh8 42.Rh5! +-

Better was 39...Nb5+ that controls key squares d4, c3 and c7.
40.Kd3 Qe7! black is trying to create counterplay.
41.Be6 Rf8 if 42.Rh5? Qc7-+ and Qc3