Wednesday, June 1, 2022

What is the strongest line for White?

ICC tourney 1350 (12 3), Internet Chess Club
Analysis of john2001plus (1605) vs. tangent (1931)
8
7
6
5
4
3
2
1
abcdefgh
0
(white to move)
1.Nf3g6
2.d4Bg7
3.c4f5
4.e4fxe4
5.Ng5c5
6.dxc5Nf6
7.Nc3Qa5
8.Bd2Qxc5
9.Ngxe4Qe5
10.Bd3O-O
11.O-ONc6
12.Re1Qc7
13.Rc1b6
14.Nd5Qd8
15.Ndxf6+exf6
16.Nd6f5
17.c5h5
18.Nxf5Rxf5
19.Bxf5gxf5
20.Qb3+Kh8
21.Qf7Ba6
22.Bc3Qg5
23.cxb6axb6
24.Re8+Rxe8
25.Bxg7+Qxg7
26.Qxh5+Kg8
27.Qxe8+Qf8
28.Qxd7
 
Click here for 27... Kh7.
Click here for 16... Kh8.
Click here for 17... Bxb2.
Click here for 18... gxf5.
Click here for 20... Kf8.
Click here for 27... Kh7.

What is the strongest line for Black?

Live Chess, Chess.com
Analysis of bigpawn63 (1490) vs. john2001plus (1872)
1
2
3
4
5
6
7
8
hgfedcba
-1
(black to move)
1.e4e6
2.Nf3d5
3.exd5exd5
4.d4Nf6
5.Bg5h6
6.Bh4g5
7.Bg3Bd6
8.Ne5c5
9.c3cxd4
10.Bb5+Nbd7
11.Nxd7Bxd7
12.Bxd7+Qxd7
13.Bxd6Qxd6
14.Qxd4Qe6+
15.Kd1Qg4+
16.Kc2Qf5+
17.Kb3O-O
18.Re1Rfd8
19.Nd2Rac8
20.Re5Qg4
21.Qxa7d4
22.c4Ra8
23.Qc5Nd7
24.Qd5Nxe5
25.Qxe5Qxg2
26.Ne4Qf3+
27.Kb4Ra6
28.Nc5Rb6+
29.Ka4Ra8+
30.Na6Raxa6+
31.Qa5Qc6+
32.Ka3Rxa5#
 
Click here for 22. h3.
Click here for 22. Nf3.
Click here for 27. Kc2.

Black to play for a winning advantage

Live Chess, Chess.com
Analysis of Mustangcoffee (1523) vs. john2001plus (1840)
1
2
3
4
5
6
7
8
hgfedcba
0
(black to move)
1.e4e6
2.c4d5
3.cxd5exd5
4.exd5Nf6
5.Bb5+Bd7
6.Bc4Bg4
7.Nf3Nxd5
8.Qe2+Be7
9.h3Be6
10.Nc3Nf4
11.Qf1Nxg2+
12.Qxg2Bxc4
13.Qxg7Bf6
14.Qh6Nc6
15.Qe3+Qe7
16.d3Be6
17.Bd2O-O-O
18.Ke2Rhe8
19.Rhe1Bxc3
20.Bxc3Qd7
21.Kd1Bxh3
22.Qd2Bg4
23.Kc2Bxf3
24.Re3Rxe3
25.Qxe3Bg4
26.Rc1Bf5
27.Rd1Nb4+
28.Bxb4Qa4+
29.Kc1Qxb4
30.Qxa7Qf4+
31.Qe3Qa4
32.a3Rd6
33.Qe2Bg4
34.f3Qc6+
35.Qc2Qxf3
 
Click here for 19. Kf1.

White to play and win

Live Chess, Chess.com
Analysis of john2001plus (1762) vs. taechess (1642)
8
7
6
5
4
3
2
1
abcdefgh
+1
(white to move)
1.Nf3Nf6
2.d4d5
3.c4c6
4.Nc3Bf5
5.cxd5cxd5
6.Qb3Qd7
7.Ne5Qc7
8.e4Bd7
9.Bf4Qb6
10.Qxb6axb6
11.Nxd7Nbxd7
12.e5Ng8
13.Nxd5Kd8
14.e6fxe6
15.Nc7Rc8
16.Nxe6+Ke8
17.Bb5Ngf6
18.O-ORc2
19.b4g6
20.Rfc1Rb2
21.Ng5e6
22.Rc8+Ke7
23.Re1e5
24.Bxe5Bh6
25.Bc7+Ne4
26.Rxe4+Kf6
27.Bd8+Rxd8
28.Nxh7+Kf5
29.Bd3Nf6
30.Re5+Kf4
31.g3+Kf3
32.Bf1Be3
33.Rxe3+Kg4
34.Re5Rxf2
35.Kxf2Ne4+
36.Rxe4+Kf5
37.Re5+
 
Click here for 28... Kf7
Click here for 29... Bf4
Click here for 30... Kg4
Click here for 32... Rxf3

Thursday, August 26, 2021

Black to play and win

FIDE World Cup (Women), Krasnaya Polyana (Sochi) RUS
Analysis of Goryachkina, Aleksandra (2596) vs. Kosteniuk, Alexandra (2472)
8
7
6
5
4
3
2
1
abcdefgh
0
(black to move)
1.d4Nf6
2.c4e6
3.g3d5
4.Bg2dxc4
5.Nf3a6
6.O-ONc6
7.Be3Nd5
8.Qc1Nxe3
9.Qxe3Be7
10.Rc1O-O
11.Rxc4Bd7
12.a3a5
13.Nbd2a4
14.Ne5Na5
15.Rc2Bb5
16.Re1Ra6
17.h4Rd6
18.Qc3c6
19.e3f6
20.Nef3e5
21.b4axb3 e.p.
22.Nxb3Nxb3
23.Qxb3+Kh8
24.a4Ba6
25.dxe5Rd3
26.Rc3Rxc3
27.Qxc3fxe5
28.Qxe5c5
29.h5c4
30.h6Bf6
31.hxg7+Bxg7
32.Qh5Qf6
33.Ng5Qxf2+
34.Kh2Qc2
35.e4h6
36.Nf7+Kg8
37.Qd5c3
38.Nxh6+Kh7
39.Nf7Qf2
40.Ng5+Kg6
41.Rh1Qd4
42.Nh3Qxd5
43.exd5Bh6
44.Re1Bd3
45.Nf4+Bxf4
46.gxf4Rxf4
47.d6Rxa4
48.Bxb7Rd4
49.Kg3Bf5
50.Bf3c2
51.Rc1Kf6
52.Kf2Ke5
53.Ke3Rd3+
54.Ke2Rxd6
55.Ke1Kd4
56.Bd1Ke3
57.Rxc2Bxc2
58.Bxc2Rd2
59.Bf5Rf2
60.Be6Rf6
61.Bd5Rd6
62.Bb3Rb6
63.Bc2Ra6
64.Kf1Ra1+
65.Kg2Ra2
 
Click here for 55. Ke3.
Click here for 56. Bg4.
Click here for 57. Bxc2.

Friday, June 5, 2020

What is the strongest continuation for Black?

Live Chess, Chess.com
Analysis of aherring74 (1957) vs. john2001plus (1844)
1
2
3
4
5
6
7
8
hgfedcba
0
(black to move)
1.e4e6
2.d4d5
3.Nc3Nf6
4.e5Nfd7
5.Nce2c5
6.c3Nc6
7.f4Be7
8.Nf3O-O
9.Be3f6
10.Qd2fxe5
11.fxe5Bh4+
12.Nxh4Qxh4+
13.g3Qe4
14.Rg1cxd4
15.cxd4Rf3
16.Bh6gxh6
17.Rd1Ndxe5
18.dxe5Bd7
19.Bg2Nxe5
20.Qd4Qf5
21.Nf4Rc8
22.Bh3Qf6
23.Rg2Rd3
24.Qxd3Nxd3+
25.Nxd3Bb5
26.Rf2Qg6
27.Rfd2Rf8
28.Bg2Qf6
29.Nf4e5
30.Bf1exf4
31.Bxb5Qe7+
32.Kf1fxg3+
33.Kg2Qe4+
34.Kg1Qe3+
35.Kh1Qf3+
36.Kg1Rf5
37.Be8gxh2+
38.Kxh2Rg5
39.Rg1Qf4+
40.Kh1Qh4+
41.Rh2Qe4+
42.Rhg2Kh8
43.a3Rg4
44.Kh2Rh4+
45.Kg3Qf4#
 
Click here for 16. Bf2.
Click here for 17. Bg2.

Sunday, May 17, 2020

What is the strongest continuation for Black?

Casual Game, https://itsyourturn.com
Analysis of Odd Ball vs. John Coffey
1
2
3
4
5
6
7
8
hgfedcba
+1
(black to move)
1.b4e5
2.Bb2Bxb4
3.Bxe5Nf6
4.e3O-O
5.Nf3Re8
6.Bb2d5
7.c4Bg4
8.Be2dxc4
9.Bxc4Qe7
10.h3Bh5
11.O-Oc5
12.g4Bg6
13.a3Ba5
14.d3Nc6
15.e4Rad8
16.Nbd2a6
17.a4Nd7
18.Bd5Nde5
19.Bxe5Nxe5
20.Nxe5Qxe5
21.f4Qd4+
22.Kg2Qxd3
23.Rf3Rxd5
24.exd5Re2+
25.Kg3Qxd2
26.Qxd2Rxd2
27.Rc1Bc2
28.Re3Kf8
29.d6Bxa4
30.Ra3Rd4
31.Rxc5Be1+
32.Kf3Bc6+
33.Rxc6bxc6
34.Rxa6Rxd6
 
Click here for 25. Kh1.
Click here for 25. Kg1.
Click here for 25. Kf1.
Click here for 25. Rf2.
Click here for 25. Qxe2.
Click here for 25. Ke2.
Click here for 27. f5.
Click here for 33. Ke2.