13.Rxc6! [An interesting exchange sacrifice for two pawns. If White can activate his queenside pawn majority, Black won't be able to save the game.]

[13.Ra3 Be7 14.Kd2 0–0 15.Bd3 g6 16.Bxf5 exf5 17.Re1 Bd8 18.Nd1 a6 19.Ne3 Re8 20.g3 Ra7 21.Raa1 Rae7 22.Kd3²; 13.Ra1 Be7 14.Kd2 Bd8 15.Bd3 Bxd3 16.Kxd3²]

13...Nxc6 [13...Kd8 14.Bxb5 (14.Ne5 Nxc6 15.Nxc6+ Kc8 16.Bxb5 a6 17.Ba4²) 14...a6 15.Ne5 axb5 16.Nxf7+ Ke8 (16...Kd7 17.Rb6 Rg8 18.Nxb5 Kc8 19.Ke2 Na6 20.Nbd6+ Bxd6 21.cxd6!+–) 17.Rc7 Ra1+ 18.Kd2 Rxh1 19.Nxh8 Na6 20.Rc8+ Ke7 21.Nxb5 e5 22.Ra8 Bd7 23.Nd6 Nxb4 24.fxe5 g6 25.Nhf7 Nc6 26.e6 Bxe6 27.Re8+ Kf6 28.Rxf8 Kg7 29.Ra8 Bxf7 30.Ra6 Ne7 31.b4±]

14.Bxb5 Rb8 [14...Rc8 15.Ne5 f6 16.Bxc6+ Ke7 17.Bb7 Rc7 18.Nc6+ Ke8 19.Na5±; 14...Kd7? 15.Ne5+ Kc7 16.Bxc6 Rb8 17.Nb5+ Rxb5 (17...Kd8 18.Nxf7+ Ke7 19.Nxh8–+) ]

15.Bxc6+ Ke7 16.b5 f6 17.Kd2 Rc8 18.Ra1 Rc7 19.Bxd5! Kf7 [19...exd5 20.Nxd5+ Kd7 21.Nxc7 Kxc7 22.Rxa7+ Kb8 23.b6 Be4 24.Ke3 Bd5 25.Rc7 g6 26.g3 Bh6 27.Nd2 Re8+ 28.Kd3 Bf8 29.Rxh7+–]

20.Bc4 Be7 21.Nh4 g6 22.Ra6 Rd8 23.Nxf5 gxf5 24.Bxe6+ Kf8 25.Nd5 Bxc5 26.Nxc7 Rxd4+ 27.Kc2 Rxf4 28.f3 h5 29.Bd5 1–0

⚪️#91 (Endgame-‌White to Move)
🔸Amin,Bassem (2686)
🔸Flores,Diego (2621)
🔸World Chess Olympiad 2018 Batumi

36.Qe7?? [36.Kh2! a6 37.Qe4+ Qc6 38.Qh7+ Kb6 39.Qf7 Bd4 40.d7 Bf6 41.Qf8 a5 42.d8Q+ Bxd8 43.Qxd8+ Ka6 44.Bc7 b4 (44...a4 45.Qc8+ Qb7 46.Qe6+ Ka7 47.Bd6+–) 45.Bxa5 b3 46.Bb4 Kb5 (46...b2 47.Qd3+ Qb5 (47...Kb7 48.Qb3 Qc7+ 49.g3 Kc8 (49...Qc1 50.Bc3+ Kc6 51.Qxb2+–) ) 48.Qa3+ Kb6 49.Qxb2) 47.Ba3 Qc3 48.Qe8+ Ka5 49.Qe2 Qd4 50.Bb2 Qd5 51.Bc3+ Kb6 52.Qe7 Kb5 53.Be5 Kc4 54.Qc7+ Kb5 55.Qb8+ Kc4 56.Bg7+–; 36.Kh1 Qc6 37.Qe7+ Kc8 38.Qf8+ Kb7 39.Qf7+ Kc8 40.Qf5+ Kb7 41.Qf2 Ba3 42.Qf7+ Kc8 43.Qf5+ Kb7 44.Qd3 Qc1+ 45.Kh2 Bc5 46.Qxb5+ Bb6 47.Qd5+ Kc8 48.Qf5+ Kd8 49.Qf8+ Kd7 50.Qe7+ Kc6 51.Qe8+ Kb7 52.Qe4+ Kc8 53.Qe6+ Kb7 54.h4²]

36...Bd4+ 37.Kh2 Kc6 38.Qe4+ Kc5 39.Qg6 Kc6? [39...Be3 40.Qxh6 Bf4 41.Bxf4 gxf4 42.Qh5+µ (42.Qxf4?? Qxd6 43.g3 (43.Qxd6+ Kxd6 44.g3 b4–+) ) ]

40.Qe4+ Kc5 41.Qe7 Kc6 42.Qe4+ Kc5 ½–½

⚪️#92 (Strategy-White to Move)
🔸Makoto,Rodwell (2338)
🔸Dervishi,Erald (2567)
🔸Olympiad 2018 Batumi

Unity Chess Strategy Multiple Choice 92
public poll

B) Bh3 – 10
👍👍👍👍👍👍👍 59%
@persepolis62, @MohamadAsp, Nikhil, Jayden, Vincent, @RichardPeng, @arash22_d, Vedant, Michael, Matthew

C) Qh6 – 7
👍👍👍👍👍 41%
@Alib5072, @aadiib, @mahyarebrahimi1983, @Sepehr2003, @hoseini139562, @Sophia_Peng, chess trainer

A) Qh4
▫️ 0%

👥 17 people voted so far.

⚪️#92 (Endgame-‌White to Move)
🔸Pavlidis,Antonios (2552)
🔸Nedev,Trajko (2496)
🔸World Chess Olympiad 2018 Batumi

Unity Chess Endgame Multiple Choice 92
public poll

B) c4 – 11
👍👍👍👍👍👍👍 55%
@ehsanmec, Nikhil, @hoseini139562, @rssh666, Jayden, Vincent, @mn_aut, hamid, @WataxPin, Michael, Matthew

A) Nb3 – 6
👍👍👍👍 30%
@Alib5072, @mahyarebrahimi1983, Seyed Hossein Ali, @Sophia_Peng, @RichardPeng, @arash22_d

C) Ne6 – 3
👍👍 15%
@persepolis62, @MohamadAsp, @Zamani9899

👥 20 people voted so far.

Amsterdam, 20th May 1981. At the opening ceremony for the last in the series of IBM tournaments, grandmaster Tony Miles chats with ex-World Champion, Max Euwe.

@UnityChess

Chess has been a large inspiration for artists! Here is one piece by Honore Daumier in 1863 called The Chess Players. What's your favorite chess-related art piece?

@UnityChess

The FIDE Interzonal, Amsterdam, 1964. Two photos (credit: F. N. Broers / ANEFO), from the 2nd-round encounter (played 21st May) between the U.S. grandmasters Pal Benko & Larry Evans. In the photo of Evans, Salo Flohr can be seen looking on.

@UnityChess

Magnus Carlsen 🆚 Sipke Ernst
Corus C, 2004
Wijk aan Zee NED, rd 12, Jan-24
Caro-Kann Defense:

@UnityChess

🔴 Today is birthday of Valery Loginov!!
♦️ Russian chess grandmaster

👏👏👏👏👏 Happy birhday 🌺🌸☘️💐🌷💐💐

◼️ Today also died-day of Olga Rubtsova, Soviet Woman Grandmaster who became the fourth Women’s World Chess Champion. She got also the title of Woman Correspondence Grandmaster.
She won the Soviet Women's Championship four times, and was second in the Women's World Chess Championship 1949–50, a point behind Lyudmila Rudenko.
Born: August 20, 1909, Moscow, Russia
Died: December 13, 1994, Moscow, Russia
. . . . . . . . . . . . .
@unitychess

UNITY CHESS INFOGRAPHIC

🔵 Chess History - Tournaments
🔹 16th USSR Chess Championship
🔹 Moscow 1948

#chess_history_tornaments
#Moscow_1948
. . . . . . . . . . . . .
@unitychess

☑️ Chess History - Tournaments
💢 16th USSR Chess Championship
💢 Moscow 1948
💢 November 10 – December 13

🔰 USSR Chess Championship (1948 ) - Moscow
CHAMPION: David Bronstein, 12/18 (+7 -1 =10)
SHARED WITH: Alexander Kotov 12/18 (+10 -4 =4)

✅ The 16th Chess Championship of the USSR was held in Moscow from November 10th to December 13th, 1948. Nineteen of the Soviet Union's top grandmasters were assembled to participate. Among them were the participants of the Saltsjöbaden Interzonal (1948), including the winner David Bronstein, as well as Alexander Kotov, Andor Lilienthal, Igor Bondarevsky, Salomon Flohr, Viacheslav Ragozin, and the previous year's champion, Paul Keres. Bronstein and Kotov shared first place, each with 12/18.
🌐 SOURCE: CHESSGAMES.COM

🔹 The final standings and crosstable was as above👆
🔹 Download "Moscow 1948 Games Database" by PGN format👇
🔹 Review our selected game from Moscow 1948 tournament👇

#chess_history_tornaments
#Moscow_1948
. . . . . . . . . . . . .
@unitychess

♦️ Review our selected game from "Moscow 1948" chess tournament👇
▪️David Bronstein vs Georgy Ilivitsky
▪️USSR Championship (1948), Moscow URS, rd 4, Nov-15
▪️ Queen's Gambit Declined: Semi-Tarrasch Defense. Pillsbury Variation (D41)
. . . . . . . . . . .
@unitychess