Wednesday, December 5, 2018

What is the best continuation for White?

Casual Game, https://itsyourturn.com
Analysis of John Coffey vs. just plain bill
8
7
6
5
4
3
2
1
abcdefgh
+2
(white to move)
1.d4d5
2.c4Nf6
3.cxd5Qxd5
4.Nc3Qd7
5.e4a6
6.Nf3g6
7.Ne5Qd8
8.Bc4e6
9.Bg5Nbd7
10.Nxd7Bxd7
11.e5Be7
12.Bxf6Bxf6
13.exf6Qxf6
14.O-OO-O-O
15.d5h5
16.Qb3exd5
17.Nxd5Qd6
18.Rac1Be6
19.Nxc7Bxc4
20.Rxc4Kb8
21.Rfc1Rc8
22.Nxa6+Ka7
23.Qe3+Qb6
24.Nc5Kb8
25.Nd7+Ka8
26.Rxc8+Rxc8
27.Rxc8+Ka7
28.Qxb6#
 

Sunday, June 10, 2018

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.O-O-ONb4
19.Qxa7Nxd3+
20.Kb1Nxb2
21.Kxb2Rxd2+
22.Rxd2Qb4+
23.Kc1Qxc3+
24.Kd1Qxf3+
25.Kc1Qxh1+
26.Kc2Qe4+
27.Kd1Qb1+
28.Ke2Bc4+
29.Kf3Qf5+
30.Kg2Rg8+
31.Kh2Qf4+
32.Kh1Qf3+
 
Click here for 18. Ke2.
Click here for 22. Nxd2.
Click here for 22. Kc1.
Click here for 25. Ke1.
Click here for 25. Kc2.
Click here for 25. Re2.
Click here for 26. Rd1.
Click here for 27. Rd3.
Click here for 27. Kc1.
Click here for 29. Ke3.

Thursday, May 31, 2018

Black to play and win

Casual blitz, Greenwood Indiana Chess Club
Analysis of Reuter, Adam (1915) vs. Coffey, John (2016)
1
2
3
4
5
6
7
8
hgfedcba
-2
(black to move)
1.e4e6
2.f4d5
3.exd5exd5
4.Nf3Nf6
5.g3Bd6
6.Bg2O-O
7.O-Oc5
8.b3Nc6
9.Bb2Bg4
10.h3Bxf3
11.Qxf3d4
12.d3Nb4
13.Rf2Re8
14.Qxb7Re1+
15.Kh2Rb8
16.Qxa7g5
17.a3gxf4
18.gxf4Ng4+
19.Kg3Nxf2
20.Bc1Qg5+
21.Kf3Qd5+
22.Kxf2Re2+
23.Kxe2Qxg2+
24.Ke1Re8+
25.Be3Rxe3+
26.Kd1Qxc2#
 

Tuesday, May 15, 2018

What is the best continuation for Black?

ICC 30 0, Internet Chess Club
Analysis of fiddler (1723) vs. john2001plus (1880)
1
2
3
4
5
6
7
8
hgfedcba
+1
(black to move)
1.d4Nf6
2.c4e6
3.Nf3b6
4.Nc3Bb4
5.Bd2O-O
6.g3Bb7
7.Bg2d6
8.O-ONbd7
9.Rc1c5
10.a3Bxc3
11.Bxc3Ne4
12.b4Nxc3
13.Rxc3Qe7
14.dxc5dxc5
15.b5Rfd8
16.Rd3a6
17.a4axb5
18.axb5e5
19.Nh4e4
20.Rd6Ne5
21.Rxd8+Qxd8
22.Qc2Qd4
23.Rc1Ra1
24.Rxa1Qxa1+
25.Bf1g6
26.e3g5
27.f4gxh4
28.fxe5hxg3
29.hxg3Qxe5
30.Kg2Bc8
31.Qd2Qf6
32.Kg1Qg5
33.Kf2Kg7
34.Bg2Be6
35.Qc2Qf6+
36.Kg1Qg6
37.Qc3+f6
38.Kf2Qf5+
39.Kg1Qg5
40.Kf2h5
41.Qc2h4
42.gxh4Qxh4+
43.Kg1Qe1+
44.Kh2Bf5
45.Qb3Kg6
46.Qa3Kg5
47.Qb3Qf2
48.Kh1Bg4
49.Qb1Bf3
50.Bxf3exf3
51.Qg1+Qxg1+
52.Kxg1Kf5
53.Kf1Ke4
54.Kf2f5
 
Click here for 32. Qf2.
Click here for 32. Qe2.

Friday, May 11, 2018

What is the strongest continuation for White?

Live Chess, Chess.com
Analysis of john2001plus (1841) vs. Yeetyeet21 (1218)
8
7
6
5
4
3
2
1
abcdefgh
0
(white to move)
1.Nf3d5
2.d4Nc6
3.c4e6
4.Nc3Nf6
5.Bg5Bb4
6.e3h6
7.Bh4Qe7
8.Bd3dxc4
9.Bxc4Bxc3+
10.bxc3Bd7
11.O-OO-O
12.e4Na5
13.Bd3g5
14.Nxg5hxg5
15.Bxg5e5
16.f4Qe6
17.fxe5Nh7
18.Bf6Nxf6
19.exf6Qg4
20.Qd2Qh5
21.Rf4Nc6
22.e5Rfe8
23.Qf2Nxe5
24.dxe5Rxe5
25.Rh4Qg5
26.Bh7+Kh8
27.Bf5+Kg8
28.Bxd7Qe3
29.Qxe3Rxe3
30.Rf1Re5
31.Bf5Rae8
32.Rg4+Kh8
33.Rg7Re1
34.Rxf7Rxf1+
35.Kxf1Rd8
36.Rh7+Kg8
37.Bg6Rd1+
38.Ke2Rd8
39.f7+Kf8
40.Rh8+Ke7
41.Rxd8
 
Click here for 14... Nxe4.
Click here for 28... Re2.

Thursday, March 15, 2018

What is the best continuation for Black?

Live Chess, Chess.com
Analysis of Mustangcoffee (1713) vs. john2001plus (1843)
1
2
3
4
5
6
7
8
hgfedcba
-1
(black to move)
1.e4e6
2.c4d5
3.cxd5exd5
4.exd5Nf6
5.Bb5+c6
6.dxc6Nxc6
7.Nf3Bd6
8.O-OO-O
9.h3Re8
10.Bxc6bxc6
11.d4Ba6
12.Re1Rxe1+
13.Qxe1Rb8
14.Nc3Qd7
15.a3Re8
16.Be3Qf5
17.Qd2Bc4
18.Re1Ne4
19.Nxe4Rxe4
20.Qc3Bd5
21.Nd2Rh4
22.Nf1Rxh3
23.f3Rxf3
24.gxf3Qxf3
25.Re2Qxe2
26.Bf2Qg4+
27.Bg3f5
28.Kf2f4
29.Bh2Be7
30.Ke1Bh4+
31.Kd2Qg2+
32.Kd3Be4+
33.Kc4Qe2+
34.Kb3Bd5+
35.Kb4Qb5#
 
Click here for 23. gxh3.
Click here for 23. f4.

What is the best continuation for Black?

Live Chess, Chess.com
Analysis of pkengsoo (1687) vs. john2001plus (1839)
1
2
3
4
5
6
7
8
hgfedcba
0
(black to move)
1.e4e6
2.d4d5
3.Nc3Nf6
4.Bg5Be7
5.e5Nfd7
6.Bxe7Qxe7
7.Nf3O-O
8.Bd3c5
9.Nb5Nc6
10.c3cxd4
11.cxd4a6
12.Nd6Ndxe5
13.dxe5Nxe5
14.Nxc8Nxf3+
15.Qxf3Qb4+
16.Ke2Qxb2+
17.Ke3Qe5+
18.Kd2Qb2+
19.Ke3Raxc8
20.Rab1Qxa2
21.Rxb7Rc3
22.Rd1e5
23.Qe2d4+
24.Kf3Qe6
25.h4h5
26.Kg3e4
27.Qxh5Rxd3+
28.Rxd3exd3
29.Rb2Qe1
30.Rb3d2
31.Rd3f5
32.Qf3Rd8
33.Qh5Rd5
34.Kh2Qe4
35.Qf3Qxh4+
36.Qh3Qxf2
37.Qg3Qe1
38.Qb8+Kf7
39.Qb3Ke6
40.Qc2Rd8
41.Qc6+Rd6
42.Qc2Kd5
43.Qb3+Ke5
44.Qb8d1=Q
45.Qe8+Kf4
46.Rf3+Kg4
47.Qxe1Rh6+
48.Rh3Qxe1
49.Rxh6gxh6
 
Click here for 32. Rxd4.
Click here for 35. h3.