Alexander Shabalov wins the 2019 U.S. Senior Championship with 6/9 points undefeated. Congratulations!!!
https://chess24.com/en/watch/live-tournaments/us-senior-championship-2019/9/1/1
https://chess24.com/en/watch/live-tournaments/us-senior-championship-2019/9/1/1
chess24.com
Shabalov, Alexander vs. Ehlvest, Jaan | U.S. Senior Championship 2019
Replay the U.S. Senior Championship Round 9 game played on 20/07/2019 with computer analysis
25...Qf4! [Black correctly encourages his opponent to exchange queens which results in the placement of a mighty knight on f4.]
[25...Qxg4 26.Nxg4 Kg7 27.Rxe4 f5 28.Re3 fxg4 29.a4„; 25...Bf5 26.Qxg5 Nxg5 27.Nxf5 gxf5 28.Ne3 Ne4 29.Bd5 Rac8 30.Bb7 f4 31.Bxe4 fxe3 32.Rxe3 Bh6 33.Rd3 Kg7 34.Re1 Red8=]
26.Qxf4?? [26.a4 Rac8 27.Bd5 Qxg4 28.hxg4 Bxd5 29.Nxd5 Be7 30.axb5 axb5 31.Ra6 Kf8 32.Nfe3 Red8 33.Ra5 Rb8 34.Nxe7 Kxe7 35.Nd5+ Kf8³]
26...Nxf4 27.Ng4 Bxg2! 28.Nf6+ Kg7 29.Nxe8+ Rxe8 30.Ne3 Bf3 31.Kh2 d5 [31...d5 32.Bd1 Be4 33.f3 Bd3 34.Bb3 d4 35.Ng2 (35.cxd4 Bxb4–+) 35...Nxg2 36.Kxg2 dxc3 37.Re3 e4 38.Rae1 c2 39.Rc1 Bxb4 40.fxe4 Bxe4+ 41.Rxe4 Rxe4 42.Kf3 Re5 43.Rxc2 Bc5–+]
32.Bd1 Be4 33.f3 Bd3 34.Bb3 d4 35.Ng4 dxc3 36.Nxe5 Be2 37.Nc6 Bd6 38.Kg1 Nxh3+ 39.Kg2 Nf4+ 40.Kg1 Bc7
0–1
[25...Qxg4 26.Nxg4 Kg7 27.Rxe4 f5 28.Re3 fxg4 29.a4„; 25...Bf5 26.Qxg5 Nxg5 27.Nxf5 gxf5 28.Ne3 Ne4 29.Bd5 Rac8 30.Bb7 f4 31.Bxe4 fxe3 32.Rxe3 Bh6 33.Rd3 Kg7 34.Re1 Red8=]
26.Qxf4?? [26.a4 Rac8 27.Bd5 Qxg4 28.hxg4 Bxd5 29.Nxd5 Be7 30.axb5 axb5 31.Ra6 Kf8 32.Nfe3 Red8 33.Ra5 Rb8 34.Nxe7 Kxe7 35.Nd5+ Kf8³]
26...Nxf4 27.Ng4 Bxg2! 28.Nf6+ Kg7 29.Nxe8+ Rxe8 30.Ne3 Bf3 31.Kh2 d5 [31...d5 32.Bd1 Be4 33.f3 Bd3 34.Bb3 d4 35.Ng2 (35.cxd4 Bxb4–+) 35...Nxg2 36.Kxg2 dxc3 37.Re3 e4 38.Rae1 c2 39.Rc1 Bxb4 40.fxe4 Bxe4+ 41.Rxe4 Rxe4 42.Kf3 Re5 43.Rxc2 Bc5–+]
32.Bd1 Be4 33.f3 Bd3 34.Bb3 d4 35.Ng4 dxc3 36.Nxe5 Be2 37.Nc6 Bd6 38.Kg1 Nxh3+ 39.Kg2 Nf4+ 40.Kg1 Bc7
0–1
66.Re1?? [66.Qxa7! Qxa7 67.Rb7 Qa8 68.Rxf7+ Kh8 69.Rxf6 Nf3+ 70.Kf2 Ne5 71.Be2 c4 72.Re6 Nd3+ 73.Bxd3 cxd3 74.Ne3 Kg7 75.Rg6+ Kf8 76.Rxh6 Kg7 77.Rd6 Kf8 78.Rxd3 Qxa6 79.Rd8+ Kf7 80.Rd7+ Kf6 81.Rc7„; 66.Kf2 g4 67.h4 Qe4 68.Qxa7 Qc2+ 69.Kg1 Qxc4 70.Qe7 (70.Qb7 Nf3+ 71.Kh1 Qe2 72.a7 Qf2–+) 70...Qxa6 71.Qxc5 Qd3 72.Rb2 Nf3+ 73.Kg2 Qe4 74.Qc3 Nxh4+ 75.Kg1 Nf3+ 76.Kh1 Nd4+ 77.Rg2 Nxf5 78.Kh2 Nd4 79.Rf2 Nf3+ 80.Kg2 Kg6=/+]
66...Nf3+
0–1
66...Nf3+
0–1
18.Rh2! [Iranian star finds the best plan to increase the pressure: doubling his rooks on the open d-file.]
[18.b4?! Nb7 19.Nxb7 Bxb7 20.Rh2 Kg7!= △h6]
18...Rad8? [¹18...Ra7 19.Rhd2 Nh5 20.Qxe7! Rxe7 21.b4 Na4 22.Ne2 a5 23.a3!±]
19.Rhd2! Rd7 20.b4! [Now Black can no longer avoid losing material.]
20...Ne6 [20...Na4 21.Nf5! △R×d7 21...gxf5 22.Rxd7 Bxd7 23.Rxd7! Qxd7 24.Qxf6+ Kg8 25.Nd5!‚ Rd8 26.Qh6 Kh8 27.Bd3! Nc3 28.Qf6+ Kg8 29.Ne7+ Kf8 30.Nxf5!+–]
21.Qxe5!+–
1–0
[18.b4?! Nb7 19.Nxb7 Bxb7 20.Rh2 Kg7!= △h6]
18...Rad8? [¹18...Ra7 19.Rhd2 Nh5 20.Qxe7! Rxe7 21.b4 Na4 22.Ne2 a5 23.a3!±]
19.Rhd2! Rd7 20.b4! [Now Black can no longer avoid losing material.]
20...Ne6 [20...Na4 21.Nf5! △R×d7 21...gxf5 22.Rxd7 Bxd7 23.Rxd7! Qxd7 24.Qxf6+ Kg8 25.Nd5!‚ Rd8 26.Qh6 Kh8 27.Bd3! Nc3 28.Qf6+ Kg8 29.Ne7+ Kf8 30.Nxf5!+–]
21.Qxe5!+–
1–0