This game is from round 10 of the 2018 Batumi Chess Olympiad. It features Ingris Rivera with White against Almira Skripchenko with Black.
Today’s game features a Colle System.
Rivera,Ingris (2227) - Skripchenko,Almira (2414)
43rd Olympiad Batumi 2018 Women Batumi (10.2), 04.10.2018
1.d4 d5 2.Nf3 c5 3.e3 e6 4.b3 Nf6 5.Bb2 Nc6 6.Nbd2 Bd6 7.Bd3 0–0 8.0–0 b6 9.Ne5 Bb7 D05: Colle System with ...e6
10.a3 Rc8 [10...Ne7 11.dxc5 bxc5 12.c4 Ng6 13.Nxg6 hxg6 14.cxd5 exd5 1/2–1/2 (40) Nakamura,H (2763)-Le,Q (2715) chess.com INT 2018]
11.f4 Ne7 The position is equal.
12.Rf3 c4 13.bxc4 dxc4 14.Ndxc4 Bxf3 15.Qxf3
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15...Bc7N [15...b5= 16.Nxd6 Qxd6]
16.Qh3 b5 17.Ng4 White wants to mate with Nxf6+.
17...Nf5 18.Nce5 Nxg4 19.Nxg4 Qh4 ...Qxh3 is the strong threat.
20.Qf3 Bb6 [20...Qe7=]
21.Ne5 White has compensation. [21.a4!?]
21...Qe7ƒ Black has the initiative.
22.Qh3 f6 23.Nf3 [23.Ng4³]
23...g6!µ 24.Nh4 Nxh4 25.Qxh4 Ba5! 26.Rf1 Bc3 27.Bc1 Rb8 28.Qg3 f5 29.h4 Qg7 30.Qf3 Rb6 [30...Qb7µ 31.Qxb7 Rxb7]
31.d5 Qe7 32.h5 [32.g3³]
32...Rd8 [32...e5!µ 33.fxe5 Bxe5]
33.hxg6 hxg6 34.dxe6 Qxe6 35.e4 [35.Kf2³]
35...Bd4+ 36.Kh2 [36.Be3µ]
36...Kg7 [36...Rb7–+ 37.Be3 Rh7+ 38.Kg1 fxe4 39.Bxe4 Bxe3+ 40.Qxe3 Re7]
37.Be3 [¹37.g3]
37...fxe4 38.Bxe4 Bxe3 39.Qxe3 Re8 40.Qc3+ Qf6! 41.Qxf6+ Kxf6 Endgame KRR-KRB
42.Bd3 Rh8+ 43.Kg3 Rc8 44.f5 gxf5 45.Rxf5+ Ke6 [Better is 45...Ke7µ Hoping for ...Rc3. 46.Re5+ Kd6]
46.Kf4³ Rc3 47.g4 Rxa3 48.Bxb5 Rc3 49.Bd3 Rb4+ 50.Kg5
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50...Rc8 White must now prevent ...Rg8+.
51.Rf6+ Ke7 52.Rg6 [52.Ra6!= remains equal.]
52...a5!µ 53.Bf5 Ra8 54.Re6+ Kd8! 55.Rd6+ [¹55.Bg6 Kc7 56.Be4 Rg8+ 57.Kf5]
55...Kc7–+ 56.Rd7+ Kb6 57.Kf6
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57...a4! 58.Rd6+ [58.Be6 might work better.]
58...Kc5 Black is clearly winning.
59.Rd1 a3 60.Ra1 Ra6+ 61.Ke5 a2 62.Be6
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62...Rb1! 63.Rxa2 Re1+ 64.Kf5 Raxe6 65.g5 R1e5+ 66.Kf4 Kd6 67.Ra7 Rc5 68.Ra6+ Ke7 ( -> ...Rc4+)
69.Ra7+ Kf8 70.Rd7 Rg6 0–1
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