Thursday, November 7, 2019

White to play and win

Casual 5+2, Greenwood Chess Club
Analysis of Coffey, John (2016) vs. Gusev, Dmitri (1865)
8
7
6
5
4
3
2
1
abcdefgh
-2
(white to move)
1.Nf3Nc6
2.d4e6
3.c4d6
4.Nc3Nf6
5.e4e5
6.Bg5h6
7.Bxf6gxf6
8.Nd5f5
9.Bd3fxe4
10.Bxe4f5
11.Nxe5Nxe5
12.dxe5fxe4
13.Qh5+Kd7
14.Qg4+Kc6
15.Qxe4Kd7
16.e6+Kc6
17.O-O-OBxe6
18.Nf4+Kb6
19.Nxe6Qe8
20.Rd3Qa4
21.Qe3+c5
22.Rb3+Ka5
23.Qd2+Qb4
24.Rxb4cxb4
25.Qd5+Kb6
26.Qb5#
 

Monday, November 4, 2019

White to play

Corus Group C, Wijk aan Zee NED
Analysis of Magnus Carlsen (2484) vs. Sipke Ernst (2474)
8
7
6
5
4
3
2
1
abcdefgh
-1
(white to move)
1.e4c6
2.d4d5
3.Nc3dxe4
4.Nxe4Bf5
5.Ng3Bg6
6.h4h6
7.Nf3Nd7
8.h5Bh7
9.Bd3Bxd3
10.Qxd3e6
11.Bf4Ngf6
12.O-O-OBe7
13.Ne4Qa5
14.Kb1O-O
15.Nxf6+Nxf6
16.Ne5Rad8
17.Qe2c5
18.Ng6fxg6
19.Qxe6+Kh8
20.hxg6Ng8
21.Bxh6gxh6
22.Rxh6+Nxh6
23.Qxe7Nf7
24.gxf7Qb6
25.Qe5+Kh7
26.Rh1+Kg6
27.Rh5Qf6
28.Rh6+Kxh6
29.Qxf6+Kh7
30.c3Rd5
 

Sunday, October 13, 2019

White to play and win

Let's Play!, Chess.com
Analysis of Caissarius (1775) vs. soitgoes317 (1859)
8
7
6
5
4
3
2
1
abcdefgh
0
(white to move)
1.d4Nf6
2.c4g6
3.Nc3Bg7
4.e4d6
5.h3O-O
6.f4c5
7.d5e6
8.Nf3exd5
9.exd5Re8+
10.Be2Bf5
11.O-ONe4
12.Nxe4Bxe4
13.Bd3Na6
14.Bxe4Rxe4
15.Qc2Qe7
16.a3Re8
17.Bd2b5
18.cxb5Nc7
19.Ng5Re2
20.Rae1Nxd5
21.Rxe2Qxe2
22.Re1Qxe1+
23.Bxe1Rxe1+
24.Kh2Nxf4
25.Qa4Re2
26.b6axb6
27.Qd7h6
28.Qxf7+Kh8
29.Qxf4hxg5
30.Qxg5Kh7
31.Qh4+Bh6
32.b3
 

Black to play

Let's Play!, Chess.com
Analysis of Caissarius (1775) vs. soitgoes317 (1859)
1
2
3
4
5
6
7
8
hgfedcba
0
(black to move)
1.d4Nf6
2.c4g6
3.Nc3Bg7
4.e4d6
5.h3O-O
6.f4c5
7.d5e6
8.Nf3exd5
9.exd5Re8+
10.Be2Bf5
11.O-ONe4
12.Nxe4Bxe4
13.Bd3Na6
14.Bxe4Rxe4
15.Qc2Qe7
16.a3Re8
17.Bd2b5
18.cxb5Nc7
19.Ng5Re2
20.Rae1Nxd5
21.Rxe2Qxe2
22.Re1Qxe1+
23.Bxe1Rxe1+
24.Kh2Nxf4
25.Qf2Be5
26.Qc2Ne2+
27.g3Bxg3+
28.Kg2Rg1+
29.Kf3Nd4+
 
Click here for 26. g3.
Click here for 26. Qxe1.
Click here for 26. Qf3.

Wednesday, October 2, 2019

Mate in 8

ICC tourney 1708 (12 3), Internet Chess Club
Analysis of LarryDavidson55 (1304) vs. john2001plus (1748)
1
2
3
4
5
6
7
8
hgfedcba
0
(black to move)
1.Nf3Nf6
2.c4c5
3.g3g6
4.b3Bg7
5.Bb2O-O
6.Bg2Nc6
7.a3d5
8.O-Odxc4
9.bxc4Bg4
10.Qc2Bxf3
11.exf3Nd4
12.Qd1Qb6
13.Bc3Rad8
14.Kh1e5
15.a4Rfe8
16.a5Qe6
17.Qa4Qf5
18.f4exf4
19.Bxb7f3
20.Bxd4Rxd4
21.Qd1Rd3
22.Ra3Qh3
23.Bxf3Rxf3
24.Re1Rxe1+
25.Qxe1Ng4
26.Qe8+Bf8
27.Qxf8+Kxf8
28.Kg1Qxh2+
 

Monday, September 16, 2019

White to play

ICC tourney 1716 (12 3), Internet Chess Club
Analysis of john2001plus (1724) vs. weakfish (1239)
8
7
6
5
4
3
2
1
abcdefgh
0
(white to move)
1.Nf3d5
2.d4c6
3.c4Nf6
4.Nc3dxc4
5.a4h6
6.e4Bg4
7.Bxc4e6
8.e5Nd5
9.O-OBb4
10.h3Nxc3
11.bxc3Bxc3
12.hxg4Bxa1
13.Ba3Bc3
14.Qb3Ba5
15.Bxe6Rf8
16.Bf5
 

Sunday, September 15, 2019

White to play and draw

ICC tourney 1716 (12 3), Internet Chess Club
Analysis of john2001plus (1724) vs. weakfish (1239)
8
7
6
5
4
3
2
1
abcdefgh
-2
(white to move)
1.Nf3d5
2.d4c6
3.c4Nf6
4.Nc3dxc4
5.a4h6
6.e4Bg4
7.Bxc4e6
8.e5Nd5
9.O-OBb4
10.Ne4O-O
11.h3Bh5
12.Qb3Bxf3
13.Bxd5cxd5
14.gxf3Nc6
15.Bd2Bxd2
16.Nd6Nxd4
17.Qd3Qg5+
18.Kh1Nf5
19.Nxf5exf5
20.f4Bxf4
21.Rg1Qh4
22.Qxf5Bxe5
23.Qxe5Qxh3+
24.Qh2Qxh2+
25.Kxh2Rfd8
26.Kg2g5
27.Rae1Re8
28.Rc1Re7
29.Rgd1Rd8
30.Rd4Kg7
31.Rcd1Re5
32.b3Kf6
33.Rh1Kg6
34.Rhd1h5
35.f4Rf5
36.fxg5Rxg5+
37.Kf3Kf6
38.Rd1d2Ke6
39.Rf4Rf5
40.Re2+Kf6
41.Rxf5+Kxf5
42.Re7d4
43.Rxf7+Kg5
44.Rg7+Kf5
45.Rf7+Kg6
46.Re7d3
47.Re1d2
48.Rd1Kf5
49.Ke3h4
50.Kf3Rd3+
51.Kg2Kg4
52.Kf2h3
53.Rg1+Kf4
54.Rd1Rxb3
55.Rxd2Ra3
56.Rd4+Ke5
57.Rd7Rb3
58.a5Ra3
59.Rh7Kd6
60.Rxb7Rxa5
61.Kg3Ra3+
62.Kh2a5
63.Ra7Kc5
64.Rc7+Kb4
65.Rb7+Kc5
66.Rc7+Kb6
67.Rc8a4
68.Rb8+Kc5
69.Rc8+Kd4
70.Rd8+Ke4
71.Re8+Kf5
72.Rf8+Kg6
73.Rg8+Kf7
74.Ra8Kg6
75.Rg8+Kh7
76.Rg4Kh6
77.Rb4Kg5
78.Rb5+Kf6
79.Rb6+Ke5
80.Rb5+Kd6
81.Rb4Kc5
82.Rg4Kb5
83.Rg5+Kb4
84.Rg4+Kb3
85.Kxh3Kb2+
86.Kg2Ra2
87.Kh3Ra3+
88.Kg2Ra1
89.Kh2a3
90.Rg2+Kb1
91.Rg1+Kb2
92.Rg2+Kc3
93.Rg3+Kd4
94.Rg4+Ke3
95.Rg3+Kf4
96.Rb3a2
97.Ra3Ke4
98.Ra4+Kd3
99.Ra3+Kc2
100.Ra8Kb2
101.Rb8+
 

White to play and draw.

ICC tourney 1716 (12 3), Internet Chess Club
Analysis of john2001plus (1724) vs. weakfish (1239)
8
7
6
5
4
3
2
1
abcdefgh
-2
(white to move)
1.Nf3d5
2.d4c6
3.c4Nf6
4.Nc3dxc4
5.a4h6
6.e4Bg4
7.Bxc4e6
8.e5Nd5
9.O-OBb4
10.Ne4O-O
11.h3Bh5
12.Qb3Bxf3
13.Bxd5cxd5
14.gxf3Nc6
15.Bd2Bxd2
16.Nd6Nxd4
17.Qd3Qg5+
18.Kh1Nf5
19.Nxf5exf5
20.f4Bxf4
21.Rg1Qh4
22.Qxf5Bxe5
23.Qxe5Qxh3+
24.Qh2Qxh2+
25.Kxh2Rfd8
26.Kg2g5
27.Rae1Re8
28.Rc1Re7
29.Rgd1Rd8
30.Rd4Kg7
31.Rcd1Re5
32.b3Kf6
33.Rh1Kg6
34.Rhd1h5
35.f4Rf5
36.fxg5Rxg5+
37.Kf3Kf6
38.Rd1d2Ke6
39.Rf4Rf5
40.Re2+Kf6
41.Rxf5+Kxf5
42.Re7d4
43.Rxf7+Kg5
44.Rg7+Kf5
45.Rf7+Kg6
46.Re7d3
47.Re1d2
48.Rd1Kf5
49.Ke3h4
50.Kf3Rd3+
51.Kg2Kg4
52.Kf2h3
53.Rg1+Kf4
54.Rd1Rxb3
55.Rxd2Ra3
56.Rd4+Ke5
57.Rd7Rb3
58.a5Ra3
59.Rh7Kd6
60.Rxb7Rxa5
61.Kg3Ra3+
62.Kh2a5
63.Rb5a4
64.Rb4Kc5
65.Rg4Kb5
66.Rg5+Kb4
67.Rg4+Kb3
68.Kxh3Kc2+
69.Kh2Kb2
70.Rg2+
 

Saturday, September 14, 2019

What is the best continuation for White?

Casual G/30, Kroger Columbus Inidana
Analysis of Coffey, John (2016) vs. Chess Prince , on Master Level
8
7
6
5
4
3
2
1
abcdefgh
+2
(white to move)
1.Nf3Nc6
2.d4d5
3.c4Nf6
4.cxd5Qxd5
5.Nc3Qa5
6.d5Nb4
7.e4Nxe4
8.Bb5+Kd8
9.Ne5Nd6
10.Be2f6
11.Nc4Nxc4
12.Bxc4Bf5
13.Bb3Nd3+
14.Kf1Qb4
15.a3Qb6
16.Be3Nxb2
17.Bxb6Nxd1
18.Bxc7+Kxc7
19.Rxd1Rc8
20.Nb5+Kb8
21.Nd4Bg6
22.Ke2Rc3
23.Rc1Rd3
24.Rhd1Rxd1
25.Kxd1e6
26.Nxe6Bxa3
27.Rc7Bh5+
28.f3g5
29.Ke2Bd6
30.Rd7Bxh2
31.Nc5b6
32.Na6+Kc8
33.Rxa7Be8
34.Ke3b5
35.Kf2Be5
36.Ke2h5
37.Nc5Bd4
38.Ra8+Kc7
39.Ne6+Kb7
40.Rd8Be5
41.Kd3h4
42.Ke3Bc7
43.Nxc7Kxc7
44.Ra8Kb7
45.Rd8Kc7
46.Ra8Kb7
47.Rd8Kc7
48.Ra8h3
49.gxh3Kb7
50.Rd8Kc7
51.Ra8b4
52.Ba4Bxa4
53.Rxh8b3
54.d6+Kb7
55.Rh7+Kb8
56.d7Kc7
57.d8=Q+Kxd8
58.Rb7
 

Monday, September 2, 2019

What is the strongest continuation for Black?

ICC tourney 1708 (12 3), Internet Chess Club
Analysis of LarryDavidson55 (1304) vs. john2001plus (1748)
1
2
3
4
5
6
7
8
hgfedcba
0
(black to move)
1.Nf3Nf6
2.c4c5
3.g3g6
4.b3Bg7
5.Bb2O-O
6.Bg2Nc6
7.a3d5
8.O-Odxc4
9.bxc4Bg4
10.Qc2Bxf3
11.exf3Nd4
12.Qd1Qb6
13.Bc3Rad8
14.Kh1e5
15.a4Rfe8
16.a5Qe6
17.Qa4Qf5
18.f4exf4
19.Bxb7f3
20.Bxd4Rxd4
21.Qd1Rd3
22.Ra3Red8
23.Re1Ng4
24.Rf1Ne5
25.Rg1Rxa3
26.Nxa3Qh5
27.g4Nxg4
28.Rxg4Qxg4
29.Bxf3Qh3
30.Bd5Be5
31.Qg1Qxa3
 
Click here for 29. Qxf3.

Sunday, August 25, 2019

Black to play

ICC tourney 1704 (12 3), Internet Chess Club
Analyze SuperPuzzler (1665) vs. john2001plus (1747)
1
2
3
4
5
6
7
8
hgfedcba
-2
(black to move)
1.e4e6
2.d4d5
3.Nd2c5
4.Ngf3cxd4
5.Nxd4Nc6
6.Nxc6bxc6
7.Bd3Nf6
8.O-OBe7
9.c3O-O
10.Qc2e5
11.Re1Qc7
12.exd5cxd5
13.c4d4
14.Nf3Bd6
15.Bg5e4
16.Bxe4Nxe4
17.Rxe4Bb7
18.Rh4h6
19.Nxd4Rfe8
20.Nb5Qc6
21.f3Bc5+
22.Kh1hxg5
23.Qh7+Kf8
24.Nd4Bxd4
25.Rxd4Qh6
26.Qxh6gxh6
 
Click here for 24... gxh4.

Sunday, August 18, 2019

White to play


Analysis
8
7
6
5
4
3
2
1
abcdefgh
0
(white to move)
1.Nf3Nc6
2.d4d5
3.c4Nf6
4.cxd5Nxd5
5.e4Nf6
6.d5Nb8
7.Nc3e6
8.Qa4+c6
9.Bg5b5
10.Qc2b4
11.Bxf6gxf6
12.Na4cxd5
13.exd5Be7
14.Bc4O-O
15.Rd1Qc7
16.O-OBa6
17.b3Bxc4
18.Rd4exd5
19.Rxd5Rc8
20.Rh5Bd6
21.Qxh7+Kf8
22.bxc4Qxc4
23.Re1Be5
24.Nxe5fxe5
25.Qh8+Ke7
26.Qxe5+Kd7
27.Qe7+Kc6
28.Rc5+Qxc5
29.Qxc5+Kb7
30.Re7+Ka6
31.Rxa7+
 

Monday, August 5, 2019

White to play

Live Chess, Chess.com
Analysis of john2001plus (1884) vs. learnychess (1512)
8
7
6
5
4
3
2
1
abcdefgh
+1
(white to move)
1.Nf3b6
2.d4c5
3.e4Bb7
4.Bd3e6
5.c3Nf6
6.Qe2d5
7.Nbd2cxd4
8.cxd4Bb4
9.e5Ne4
10.O-ONxd2
11.Bxd2Bxd2
12.Nxd2Nc6
13.Rac1Nxd4
14.Qg4Nc6
15.Qxg7Rf8
16.Nf3Kd7
17.Ng5h6
18.Nh7Rh8
19.Qxf7+Qe7
20.Nf6+Kd8
21.Qh5Rf8
22.f4Qg7
23.Qh4Rc8
24.f5Nxe5
25.Nh7+Qe7
26.f6Qe8
27.Rxc8+Kxc8
28.Nxf8Nxd3
29.Nxe6Qf7
30.Qh3Ne5
31.Nd4+Kb8
32.Qg3
 

White to play

Live Chess, Chess.com
Analysis of john2001plus (1884) vs. learnychess (1512)
8
7
6
5
4
3
2
1
abcdefgh
+1
(white to move)
1.Nf3b6
2.d4c5
3.e4Bb7
4.Bd3e6
5.c3Nf6
6.Qe2d5
7.Nbd2cxd4
8.cxd4Bb4
9.e5Ne4
10.O-ONxd2
11.Bxd2Bxd2
12.Nxd2Nc6
13.Rac1Nxd4
14.Qg4Nc6
15.Qxg7Rf8
16.Nf3Kd7
17.Ng5h6
18.Nh7Rh8
19.Qxf7+Qe7
20.Nf6+Kd8
21.Qh5Rf8
22.f4Qg7
23.Qh4Ne7
24.Nh5Qf7
25.f5Rg8
26.fxe6Qxe6
27.Nf4Qxe5
28.Rfe1Qd6
29.Rxe7Qxe7
30.Ne6+Kd7
31.Rc7+Kd6
32.Qf4+Kxe6
33.Qe3+
 

Monday, July 15, 2019

White to play

Blindfold simul, 8b, London ENG
Analysis of Paul Morphy vs. James G Cunningham
8
7
6
5
4
3
2
1
abcdefgh
-3
(white to move)
1.e4e5
2.Bc4Bc5
3.c3Nc6
4.Nf3Nf6
5.d4exd4
6.e5Qe7
7.O-ONg8
8.cxd4Bb6
9.d5Qc5
10.Na3Nd4
11.Be3Nxf3+
12.Qxf3Qf8
13.Bxb6axb6
14.Nb5Kd8
15.Rac1d6
16.exd6cxd6
17.Qe3Ra6
18.Nc7Kxc7
19.Bxa6+Kb8
20.Qxb6Qe7
21.Rfe1Qd7
22.Rxc8+Kxc8
23.Bxb7+Kb8
24.Ba6+Ka8
25.Re8+
 
Click here for 23... Qxb7.
Click here for 23... Qxb7.
Click here for 23... Qxb7.
Click here for 23... Qxb7.

Friday, July 12, 2019

White to play

Casual Game, https://itsyourturn.com
Analysis of John Coffey vs. dscipio
8
7
6
5
4
3
2
1
abcdefgh
-1
(black to move)
1.Nf3Nf6
2.d4d5
3.c4dxc4
4.e3c5
5.Bxc4cxd4
6.O-Oe6
7.exd4Be7
8.Nc3O-O
9.Bf4Nc6
10.Re1h6
11.Qd2Nh5
12.Be3a6
13.Bb3b5
14.Bxh6gxh6
15.Qxh6Ng7
16.Rad1Nf5
17.Qh3Bf6
18.d5Ncd4
19.Nxd4Nxd4
20.Qg3+Kh8
21.Re5Bxe5
22.Qxe5+f6
23.Qh5+Kg7
24.Rxd4f5
25.Rd3Rg8
26.Rg3+Kf8
27.dxe6Ke7
28.Qf7+Kd6
29.Rd3+
 

Monday, July 8, 2019

White to play

itsyourturn.com, ?
Analysis of Coffey, John (2016) vs. NN
8
7
6
5
4
3
2
1
abcdefgh
-1
(white to move)
1.d4d5
2.Nf3Nf6
3.c4e6
4.Nc3c5
5.cxd5exd5
6.Bg5Be6
7.Bxf6Qxf6
8.e4dxe4
9.Bb5+Bd7
10.Nxe4Qb6
11.Bxd7+Nxd7
12.O-Ocxd4
13.Nxd4Rd8
14.Re1Ne5
15.Qa4+Rd7
16.Rad1f6
17.f4Kd8
18.fxe5fxe5
19.Ng5Rxd4
20.Ne6+Qxe6
21.Rxd4+Kc7
22.Qa5+Qb6
23.Qxe5+Bd6
24.Qxg7+Kc6
25.Qxh8
 

Friday, May 31, 2019

Black to play for mate.

Casual blitz, Greenwood Indiana Chess Club
Analysis of Reuter, Adam (1915) vs. Coffey, John (2016)
1
2
3
4
5
6
7
8
hgfedcba
0
(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 28, 2019

What is the strongest continuation for White?

ICC tourney 1651 (12 3), Internet Chess Club
john2001plus (1740) vs. lagarto300 (1830)
8
7
6
5
4
3
2
1
abcdefgh
+3
(white to move)
1.Nf3Nf6
2.d4d6
3.c4g6
4.Nc3Bg7
5.e4O-O
6.Be2e5
7.dxe5dxe5
8.Bg5h6
9.Qxd8Rxd8
10.Bxf6Bxf6
11.Nd5Rxd5
12.cxd5c6
13.Rc1Bg4
14.dxc6Nxc6
15.Ba6Nb4
16.Bc4Bxf3
17.gxf3Nc6
18.Rg1g5
19.Bd5Nd4
20.Rg3Bd8
21.h4Kg7
22.hxg5hxg5
23.Kd2Kf6
24.Rh1Ba5+
25.Kd3Rc8
26.Rh6+Ke7
27.Rxg5Bc7
28.Rg7Rf8
29.f4Bb6
30.fxe5Nf3
31.e6Ne5+
32.Ke2Bd4
33.f4Nd7
34.e5Nb6
35.Bb3Bxb2
36.exf7Nd7
37.Re6+Kd8
38.Rg8Kc7
39.Re8Ba3
40.e6
 

Sunday, April 14, 2019

What is the best continuation for White?

Casual Game, https://itsyourturn.com
Analysis of John Coffey vs. Nicola
8
7
6
5
4
3
2
1
abcdefgh
+4
(white to move)
1.Nf3d5
2.d4Bf5
3.c4dxc4
4.e3Nc6
5.d5Nb4
6.Qa4+c6
7.Qxb4Bc2
8.Qxb7Qb8
9.dxc6Qd8
10.Bd3Rb8
11.Qxa7Ra8
12.Qd7+Qxd7
13.cxd7+Kxd7
14.Bxc2
 

Wednesday, April 10, 2019

White to play and win

Live Chess, Chess.com
john2001plus (1857) vs. chessBash4 (1670)
8
7
6
5
4
3
2
1
abcdefgh
0
(white to move)
1.Nf3d5
2.d4c6
3.c4Nf6
4.e3Bf5
5.cxd5cxd5
6.Qb3Qc7
7.Nc3e6
8.Nb5Qa5+
9.Bd2Qb6
10.Ne5a6
11.Rc1axb5
12.Rc8+Ke7
13.Bb4+Qd6
14.Bxd6+Kxd6
15.Qb4#
 
Click here for 11... Nbd7.
Click here for 11... Kd8.