21.Nf6+! [In order to destroy Black's castled position.]

21...Kh8 [21...Nxf6? 22.exf6 Bd6 23.fxg7!‚ Bxf4 24.gxf8Q+ Rxf8 25.Qd1!±]

22.Nxe4 dxe4 23.Ne1 [△f3]

23...Nb6 24.f3! [Opening up the position for the bishop pair.]

24...exf3 25.Rxf3! [△Rh3]

25...g5™ 26.Bg3 Nd5 27.Nc2 Qd7 28.Ra1± [¹28.Rf1! △Bf3 28...Kg8 29.Bf3 Rbd8 30.Rfa1±]

⚪️#200 (Strategy-White to Move)
🔸Kokarev,Dm (2598)
🔸Sjugirov,S (2663)
🔸ch-RUS Rapid GP Final 2018

19.Nd4 [The Hedgehog pawn structure. White should have found a way to exploit his space advantage. 19.f4! h6 20.Na1 Qc7 21.Nc2 Bb7 22.Rd3 Nf6 23.Rf1 Kg7 24.b4 Qe7 25.a3 b5 26.cxb5 axb5 27.Nxb5±; 19.h3 Qc7 20.f4 Bb7 21.g4 Ng7±]

19...Nxd4 20.Qxd4² Bb7 21.Qxb6 Bxe4 22.Qxa6±

⚪️#200 (Endgame-White to Move)
🔸Shuvalova,Polina (2441)
🔸Demidov,M (2520)
🔸ch-RUS Rapid GP Final 2018

45.Kd4? [45.Kb5? Rc3 46.Bd4 Rxf3 47.Bxg7 Rxf5 48.Kc4 Rf4+ 49.Bd4 Kd6 50.Kd3 Rf1 51.Bb6 Rd1+ 52.Kc4 Rxd5–+; 45.Kd3! Kd6 46.Bb6 Ra8 47.Kc4 f6 48.f4 Kd7 49.Kd3 Kd6 50.Kc4 Rc8+ 51.Kd3 Kxd5 52.Bxa5 Rc3+ 53.Kd2 Bxa5 54.Rxa5+ Rc5 55.Rxc5+ Kxc5 56.Ke3 Kc4 57.Ke4 Kc3 58.Ke3=]

45...Bc5+ 46.Kd3 Bxe3 47.Kxe3 Rc5 48.Ke4 Kd6 49.f6 g6 50.Kf4 Rxd5 51.Kg4 Ke6 52.Rf4 Rf5 53.Rc4 Kxf6 54.Rc6+ Ke5 55.Ra6

0–1

⚪️#201 (Strategy-White to Move)
🔸Iljiushenok,I (2533)
🔸Maletina,Tatiana (2270)
🔸ch-RUS Rapid GP Final 2018

Unity Chess Strategy Multiple Choice 201
public poll

C) B×c6 – 4
👍👍👍👍👍👍👍 44%
Masoud, @AryanLeekha, Hansika, Kasyap

B) Bc4 – 3
👍👍👍👍👍 33%
Alexander, @A_Wild_Richard, @Keykav00s

A) c4 – 2
👍👍👍👍 22%
@Zamani9899, @Sophia_Giraffe

👥 9 people voted so far.

⚪️#201 (Endgame-White to Move)
🔸Iljiushenok,I (2533)
🔸Yudin,S (2507)
🔸ch-RUS Rapid GP Final 2018

Unity Chess Endgame Multiple Choice 201
public poll

B) Nc8 – 7
👍👍👍👍👍👍👍 78%
Masoud, @Faridfs1, Gavin, Alexander, @AryanLeekha, Hansika, Kasyap

A) Rd7 – 2
👍👍 22%
@Zamani9899, @Sophia_Giraffe

C) Rf8
▫️ 0%

👥 9 people voted so far.

Carlsen Takes Big Lead At Grenke Chess Classic

http://bit.ly/2LfY3AC

Vincent Keymer nach seiner Partie gegen Levon Aronian | GRENKE Chess Classic 2019

Carlsen Did It Again | Impressions Round 6 | GRENKE Chess Classic 2019

At the FIDE Interzonal tournament, Moscow 1982. Garry Kasparov chats to former World Junior Champion Valery Chekov, who is spectating along with (seated, right) Nana Alexandria.

@UnityChess