Thursday, December 19, 2019

White to play

Casual Game, https://itsyourturn.com
Analysis of John Coffey vs. David
8
7
6
5
4
3
2
1
abcdefgh
-3
(white to move)
1.Nf3e6
2.d4f5
3.g3Nf6
4.Bg2Be7
5.O-OO-O
6.c4h6
7.Nc3a6
8.Qc2c6
9.c5Nd5
10.e4fxe4
11.Nxe4Nb4
12.Qe2d5
13.cxd6 e.p.Bxd6
14.Ne5Nd5
15.Qg4Kh8
16.Bg5hxg5
17.Nxg5Kg8
18.Be4Nf6
19.Qh4g6
20.Bxg6Qc7
21.Bf7+Kg7
22.Nxe6+Bxe6
23.Qg5+Kh7
24.Qg6+Kh8
25.Qh6+Nh7
26.Ng6#
 

Sunday, September 29, 2019

White to play and win

Casual Game, https://itsyourturn.com
John Coffey vs. peteryusoff
8
7
6
5
4
3
2
1
abcdefgh
0
(white to move)
1.Nf3d5
2.d4Nf6
3.c4Bf5
4.Qb3b6
5.Nc3Nc6
6.cxd5Na5
7.Qd1Bd7
8.e4e6
9.dxe6fxe6
10.Bd3Bb4
11.O-OBc6
12.d5exd5
13.exd5Bxc3
14.dxc6Bb4
15.a3Bd6
16.Re1+Be7
17.Qe2Nxc6
18.Bb5O-O
19.Bxc6Rb8
20.Qxe7Qd3
21.Qe6+Kh8
22.Ne5Qd6
23.Qh3Kg8
24.Qb3+Kh8
25.Bf4Qd8
26.Rad1Qc8
27.Nf7+
 

Saturday, September 14, 2019

White to play

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
-1
(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.O-ONc2
14.Rb1Nb4
15.a3Bxb1
16.Nxb1Na6
17.b4Qb6
18.Nc3Qd6
19.Nb5Qd7
20.Nd4Kc8
21.Bf4g5
22.Bg3Nb8
23.d6Qd8
24.Be6+Nd7
25.dxc7Qe8
26.Nb5f5
27.Qd5f4
28.Rd1
 

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
(white 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.Rad1Na5
17.d5Nxb3
18.d6Bxd6
19.Ng5Re8
20.Qh7+Kf8
21.Nd5Bxh2+
22.Qxh2Qxd5
23.Rxd5Ra7
24.Qh8+Ke7
25.Qxg7Rf8
26.Nh7
 
Click here for 18... Nf5.

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
0
(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.Re1Be7
15.Nf5Ne5
16.Qa4+Qc6
17.Qxa7Bb4
18.Qe3Bxe1
19.Ned6+Rxd6
20.Qxe5+Re6
21.Qb8+Kd7
22.Rd1+Bd2
23.Rxd2+Qd5
24.Qxb7+Ke8
25.Qc8+
 
Click here for 18... O-O.

Friday, May 31, 2019

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.Nd2Re7
18.Qa4gxf4
19.gxf4Bxf4+
20.Rxf4Qc7
21.Raf1Nh5
22.Nc4Nxf4
23.Qa5Qxa5
24.Nxa5Nxg2
25.Kxg2Re2+
26.Rf2Rxc2
 

Wednesday, May 29, 2019

What is the strongest continuation for Black?

ICC tourney 1651 (12 3), Internet Chess Club
Analysis of saatvik (1208) vs. john2001plus (1726)
1
2
3
4
5
6
7
8
hgfedcba
+1
(black to move)
1.Nf3d5
2.c4Nf6
3.cxd5Nxd5
4.d4g6
5.e4Nb6
6.Bf4Bg7
7.Nc3O-O
8.Be2Bg4
9.O-OBxf3
10.Bxf3Bxd4
11.Nb5Nc6
12.Nxc7Rc8
13.Nd5e6
14.Nc3Be5
15.Qxd8Rfxd8
16.Be3Nd4
17.Bxd4Bxd4
18.Nb5Bxb2
19.Rab1Rc2
20.e5Nc4
21.Bxb7Rb8
22.Be4Rd2
23.Nd6Nxe5
24.f4Ng4
25.h3Bd4+
26.Kh1Rxb1
27.Bxb1Ne3
28.Re1Nxg2
29.Nc4Rf2
30.Rd1Nh4
31.Be4Bc5
32.Ne5Rxf4
 

Tuesday, May 28, 2019

What is the best 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
+2
(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+Kg7
27.Rh5f6
28.Rgh3Rc7
29.b4g4
30.Rh7+Kf8
31.Rh8+Ke7
32.Rh3h7+Kd6
33.Rd8+
 
Click here for 29... Bxb4.
Click here for 29... Bb6.

Wednesday, May 8, 2019

Mate in 4

Greenwood Chess Club, Kroger
Analysis of Brayden vs. John Coffey
1
2
3
4
5
6
7
8
hgfedcba
0
(black to move)
1.e4c5
2.Nf3d6
3.Bb5+Nd7
4.O-Oa6
5.Bd3g6
6.c3Bg7
7.Bc2e5
8.d4Ne7
9.d5O-O
10.Bg5f6
11.Be3f5
12.Ng5Nf6
13.exf5Nxf5
14.Ne6Bxe6
15.dxe6Qe7
16.Bb3b5
17.Bd5Nxd5
18.Qxd5Nxe3
19.fxe3Rxf1+
20.Kxf1Rf8+
21.Kg1Re8
22.Qc6Bh6
23.e4Be3+
24.Kh1Bc1
25.a4Rf8
26.h3Rf1+
27.Kh2Bf4+
28.g3Qf8
29.Kg2Rg1+
30.Kf2Bxg3+
31.Ke2Qf1+
32.Kd2Qd1+
33.Ke3Re1#
 

Tuesday, April 16, 2019

Black to play and win

Live Chess, Chess.com
Analysis of AJJMJPE (1585) vs. GoodKnights2 (1278)
1
2
3
4
5
6
7
8
hgfedcba
+3
(black to move)
1.d4Nf6
2.Nc3g6
3.e4Bg7
4.Nf3d6
5.Be3b6
6.Bd3Bb7
7.Qd2Nbd7
8.a3c5
9.d5Ng4
10.Bf4Nge5
11.O-O-OQc7
12.Nb5Qb8
13.h4Ba6
14.Nxd6+Qxd6
15.Bxa6Nxf3
16.gxf3Qf6
17.c3Ne5
18.Bb5+Kd8
19.Qe3a6
20.Be2b5
21.Bg5Qb6
22.d6f6
23.dxe7+Kxe7
24.Bf4Rad8
25.Bxe5fxe5
26.h5g5
27.Qxg5+Qf6
28.Qxf6+Bxf6
29.Rxd8Rxd8
30.Rg1Kf7
31.Rg4Bg7
32.c4Bh6+
33.Kb1Rd2
34.cxb5Rxe2
35.bxa6Rd2
36.Rg1Rd6
37.a7Ra6
38.Rd1Ke6
39.Rd5Rxa7
40.Rxc5Bf8
41.Rc6+Bd6
42.Rc8Rf7
43.Rh8Kf6
44.b4Kg5
45.Rd8Bc7
46.Rd5Kf4
47.Rd3Bb6
48.a4Bxf2
49.a5Rb7
50.Rb3Rb5
51.Kc2Be1
52.a6Bf2
53.Kd3Rb8
54.b5Bb6
55.Kc4Rc8+
56.Kd5Rc7
57.Ke6Rc5
58.Kf7Kg5
59.Rb1Kxh5
60.Rh1+Kg5
61.Rxh7Rxb5
62.Rh1Kf4
63.Rf1Ra5
64.Ke6Rxa6
65.Kd5Bd4
66.Kc4Rc6+
67.Kd5Rc3
68.Rh1Rxf3
69.Rh8Ke3
70.Ra8Rf4
71.Ra3+Kd2
72.Rh3Be3
73.Kxe5Rf8
74.Kd5Kd3
75.e5Rd8+
76.Ke6Ke4
77.Rh4+Bf4
78.Ke7Rd5
79.Rh5Bxe5
80.Ke6Rd6+
81.Ke7Ra6
82.Kf7Kd5
83.Ke8Ra7
84.Rh6Bd6
85.Kd8Kc6
86.Ke8Rd7
87.Rh1Re7+
88.Kd8Rd7+
89.Ke8Bc5
90.Rc1Ra7
91.Rd1Re7+
92.Kd8Re4
93.Kc8Ra4
94.Rb1Rg4
95.Rd1Be3
96.Rd7Rg8+
97.Rd8Rg7
98.Re8Rg6
99.Kb8Bc5
100.Rh8Bd6+
101.Kc8Rg7
102.Kd8Ra7
103.Ke8Ra8+
104.Kf7Rxh8
 

Wednesday, March 20, 2019

White to play

Live Chess, Chess.com
Analysis of john2001plus (1846) vs. TampaChess (2815)
8
7
6
5
4
3
2
1
abcdefgh
0
(white to move)
1.Nf3d6
2.d4g6
3.c4Bg7
4.Nc3h6
5.e4Nc6
6.Be2e5
7.Be3Nge7
8.O-OO-O
9.Qd2Kh7
10.Rfd1f5
11.dxe5dxe5
12.Qxd8Rxd8
13.Rxd8Nxd8
14.Rd1Be6
15.Nd5Bxd5
16.exd5Nf7
17.Bc5Re8
18.Bxa7e4
19.Nd4b6
20.c5Nxd5
21.Bc4Nf4
22.Bxf7Re7
23.Bc4Rd7
24.cxb6c5
25.Bb5Rxd4
26.Rxd4cxd4
27.b7Be5
28.Bxd4Ne2+
29.Bxe2
 

Tuesday, March 19, 2019

White to play and win

AO6 TCEC - Tournament , ?
Analysis of Shredder 12 vs. Naum 4.2
8
7
6
5
4
3
2
1
abcdefgh
-4
(white to move)
1.Nf3d5
2.b3c5
3.e3Nf6
4.Bb5+Bd7
5.Qe2e6
6.Bb2Be7
7.Bxd7+Qxd7
8.Ne5Qc7
9.O-OO-O
10.f4Nfd7
11.Rf3g6
12.Ng4h5
13.Ne5Nc6
14.Nxd7Qxd7
15.Rg3h4
16.Qh5d4
17.f5hxg3
18.fxg6Kg7
19.Qh7+Kf6
20.g7Rg8
21.Qh6+Kf5
22.Na3gxh2+
23.Kh1Na5
24.Qh5+Bg5
25.Rf1+Ke5
26.Rxf7Qe8
27.Qxg5+Kd6
28.Qf4+e5
29.Qf6+Qe6
30.Nb5+Kc6
31.Qxe6+Kxb5
32.a4+Kb4
33.c3+dxc3
34.dxc3#
 

What is the strongest continuation for Black?

AO6 TCEC - Tournament , ?
Shredder 12 vs. Naum 4.2
1
2
3
4
5
6
7
8
hgfedcba
-1
(black to move)
1.Nf3d5
2.b3c5
3.e3Nf6
4.Bb5+Bd7
5.Qe2e6
6.Bb2Be7
7.Bxd7+Qxd7
8.Ne5Qc7
9.O-OO-O
10.f4Nfd7
11.Rf3g6
12.Ng4h5
13.Ne5Nc6
14.Nxd7Qxd7
15.Rg3h4
16.Qh5d4
17.f5hxg3
18.fxg6Kg7
19.Qh7+Kf6
20.g7gxh2+
21.Kh1Bd6
22.exd4cxd4
23.Nc3dxc3
24.Rf1+Ke7
25.g8=Qcxb2
26.Rxf7+Ke8
27.Rxf8+Bxf8
28.Qhg6+Ke7
29.Qg8f7+Kd8
30.Qxf8+Kc7
31.Qf1Rf8
32.Qg3+e5
33.Qfe1Qf5
34.Qf3Qxc2
35.Qfd1Qxd1
36.Qxd1Rf2
37.Qe1Rxd2
38.Kxh2Rc2
39.Qb1Nd4
40.Kg3Kd6
41.Kg4Rxg2+
42.Kh5Rc2
43.Kg5e4
44.Kf4Kd5
45.Qh1Rf2+
46.Kg3Rf3+
47.Kg4e3
48.Qh5+Rf5
49.Qh1+Kc5
50.Qb1e2
51.Qe4b1=Q
52.Qxb1Rf1
53.Qe4e1=Q
54.b4+Qxb4
55.Qe7+Kc4
56.Qc7+Nc6
 

Sunday, February 3, 2019

What is the strongest continuation for White?

ICC tourney 1588 (12 3), Internet Chess Club
Analysis of john2001plus (1754) vs. SunKing007 (1290)
8
7
6
5
4
3
2
1
abcdefgh
+3
(white to move)
1.Nf3d5
2.d4Nc6
3.c4e6
4.Nc3Nf6
5.Bg5h6
6.Bxf6Qxf6
7.cxd5exd5
8.Nxd5Qd6
9.Nc3Bg4
10.e3O-O-O
11.Be2a6
12.O-Of6
13.d5Nb4
14.e4g5
15.a3Nxd5
16.exd5h5
17.Nd4Bxe2
18.Qxe2Bg7
19.Qe6+Qxe6
20.Nxe6Rd7
21.Nxg7Rxg7
22.Rfe1f5
23.Re5f4
24.Rae1Kd7
25.Ne4g4
26.Nf6+Kd6
27.b4c5
28.Re6+Kc7
29.d6+Kb8
30.Re8+Rxe8
31.Rxe8+Ka7
32.bxc5a5
33.d7Rxd7
34.Nxd7Ka6
35.a4b5
36.c6bxa4
37.Rb8a3
38.Rb6+Ka7
39.Rb7+Ka6
40.Nc5#
 

Saturday, February 2, 2019

What is the best continuation for White?

Live Chess, Chess.com
Analysis of john2001plus (1858) vs. aidan1111 (1861)
8
7
6
5
4
3
2
1
abcdefgh
+2
(white to move)
1.Nf3d5
2.d4Nf6
3.c4c6
4.Nc3e6
5.e3Bd6
6.Bd3O-O
7.e4dxe4
8.Nxe4Nbd7
9.Nxd6e5
10.O-Oexd4
11.Nxc8Rxc8
12.Nxd4Ne5
13.Bf5Rc7
14.Re1Nxc4
15.Bf4Re7
16.Rxe7Qxe7
17.b3Nb6
18.Nxc6bxc6
19.Bd6Qe8
20.Bxf8Qxf8
21.Rc1c5
22.Qc2g6
23.Bh3Nbd7
24.Bxd7Nxd7
25.Qe2Qb8
26.Qe7Qf4
27.Rd1Nf8
28.g3Qh6
29.Rd8Qg7
30.Qxc5
 

Friday, January 18, 2019

Black to play and win

Live Chess, Chess.com
Analysis of Abishrey10 (1277) vs. john2001plus (1842)
1
2
3
4
5
6
7
8
hgfedcba
+2
(black to move)
1.e4e6
2.d4d5
3.e5c5
4.c3Nc6
5.Nf3Qb6
6.Nbd2cxd4
7.cxd4Nxd4
8.Bd3Nxf3+
9.Nxf3Bb4+
10.Bd2Bd7
11.O-ORc8
12.a3Bxd2
13.Qxd2Ne7
14.Rac1Nc6
15.b4a5
16.b5Nd4
17.Nxd4Qxd4
18.Rxc8+Bxc8
19.Rc1Bd7
20.Rc7Qa1+
21.Rc1Qxa3
22.h3O-O
23.Rc7Qa1+
24.Rc1Qa4
25.Qc3b6
26.g3g6
27.Ra1Qb4
28.Qxb4axb4
29.Ra7Rc8
30.Kf1Be8
31.Ke2Rc5
32.Ra8Kf8
33.Ra4Bxb5
34.Rxb4Rc2+
35.Ke3Bxd3
36.Kxd3Rxf2
 

What is the strongest continuation for White

Live Chess, Chess.com
Analysis of john2001plus (1865) vs. Zalairian (1602)
8
7
6
5
4
3
2
1
abcdefgh
0
(white to move)
1.Nf3d5
2.d4Nf6
3.c4c6
4.e3Bf5
5.cxd5cxd5
6.Qb3Qb6
7.Nc3Qxb3
8.axb3Nc6
9.Bb5a6
10.Ne5Rc8
11.Bxc6+bxc6
12.Rxa6e6
13.Nxc6Bd3
14.Rb6Nd7
15.Ne5Nxb6
16.Nxd3Be7
17.Bd2O-O
18.Ke2Ra8
19.Nc5Bxc5
20.dxc5Nd7
21.b4Rfb8
22.Rb1Ne5
23.b3Kf8
24.f4Ng6
25.Na4Ke7
26.Kd3Nf8
27.e4dxe4+
28.Kxe4Nd7
29.Kd4Rd8
30.Kc4Nf6
31.Bc3g6
32.Bxf6+Kxf6
33.b5Ke7
34.b6Rd5
35.Kb5Rb8
36.Nc3Rf5
37.g4Rxf4
38.c6Rd4
39.c7Rc8
40.g5Rd7
41.Kc6Rd6+
42.Kb7Kd7
43.Rf1