Sunday, December 29, 2019

What is the strongest continuation for Black?

ICC tourney 1777 (12 3), Internet Chess Club
Analyiss of IAlwaysWin (1592) vs. john2001plus (1667)
1
2
3
4
5
6
7
8
hgfedcba
+3
(black to move)
1.Nf3e6
2.e3d5
3.d4c5
4.Bd3c4
5.Be2Nf6
6.b3cxb3
7.axb3Be7
8.O-OO-O
9.c4b6
10.Bb2Bb7
11.Nbd2Nc6
12.Ba3Bxa3
13.Rxa3Qd6
14.Qa1a5
15.Rc1Nd7
16.Qb1Qxa3
17.Ng5Nf6
18.c5h6
19.Ngf3a4
20.cxb6axb3
21.Nxb3Nd7
22.Bb5Rfc8
23.Nfd2Qb4
24.Qd3Ra3
25.Rb1Nxb6
26.Qe2Qd6
27.Nc5Ra7
28.Nxb7Rxb7
29.Ba6Rcb8
30.Bxb7Rxb7
31.Qa6Qb8
32.Rb5Na7
33.Ra5Nc4
34.Nf1Nxa5
35.Qxa5Rb1
36.g3Qb2
37.Kg2Qe2
38.Nd2Rb2
39.Qd8+Kh7
40.Qc7Nb5
 

Saturday, December 28, 2019

White to play.

March 2019 Open Main #1 Tournament, https://itsyourturn.com
John Coffey vs. Martin
8
7
6
5
4
3
2
1
abcdefgh
0
(white to move)
1.Nf3Nf6
2.d4d5
3.c4e6
4.Nc3Be7
5.Bf4O-O
6.Rc1a6
7.c5Nh5
8.Be5b6
9.cxb6cxb6
10.e3Bb7
11.Bd3Nc6
12.h4Nxe5
13.dxe5g6
14.Nd4Qb8
15.f4Bc5
16.Qg4Qe8
17.Nce2Rc8
18.O-ORa8
19.Qh3f5
20.Kf2a5
21.Rc2a4
22.g3Ng7
23.Rh1Ba6
24.Bxa6Rxa6
25.Rhc1Qd7
26.Ng1Raa8
27.Qf1Rfc8
28.Qb5Qf7
29.b4axb3 e.p.
30.axb3Ne8
31.b4Nc7
32.Qd3Bxb4
33.Nb5Bc5
34.Nd6
 

Monday, December 16, 2019

Black to play

Casual game, ?
Alzo vs. Lennon, John
1
2
3
4
5
6
7
8
hgfedcba
-1
(black to move)
1.e4d5
2.exd5Nf6
3.c4c6
4.dxc6Nxc6
5.Nf3e5
6.d3e4
7.dxe4Qxd1+
8.Kxd1Nxe4
9.Be3Bg4
10.Nbd2O-O-O
11.Kc1Nc5
12.Be2Nd3+
13.Bxd3Rxd3
14.a3Be7
15.Kb1Bf5
16.Ka2Rhd8
17.Rac1Bf6
18.h3Rd8d6
19.g4Nb4+
20.axb4Ra6+
21.Kb1Ra1+
22.Kc2Rc3+
23.Kd1Raxc1+
24.Ke2Bd3#
 

Sunday, December 15, 2019

White to play and win

ICC tourney 1767 (12 3), Internet Chess Club
john2001plus (1642) vs. doodlestoo (1257)
8
7
6
5
4
3
2
1
abcdefgh
+6
(white to move)
1.Nf3Nf6
2.d4g6
3.c4d6
4.Nc3Bg7
5.e4Nc6
6.d5Nb8
7.Be2O-O
8.O-Oc5
9.Bf4Nh5
10.Bg5f6
11.Be3Bg4
12.h3Bxf3
13.Bxf3Nd7
14.Bxh5gxh5
15.Qxh5Ne5
16.Qe2Qe8
17.f4Ng6
18.Qg4Kh8
19.h4Rg8
20.f5Ne5
21.Qe2h5
22.Bf4Ng4
23.Nd1Bh6
24.Ne3Bxf4
25.Rxf4Qf7
26.Nxg4Qg6
27.Ne3Qg3
28.Qf3a5
29.Qxg3Rxg3
30.Kf2Rag8
31.Rg1Rg8g7
32.Nf1Rd3
33.Ke2Rd4
34.b3a4
35.g4axb3
36.axb3b5
37.g5bxc4
38.bxc4Rxc4
39.g6Rg8
40.Nd2Rd4
41.Rf3Kg7
42.Rb3c4
43.Rb4Rc8
44.Rc1Rd3
45.Rbxc4Rxc4
46.Rxc4Rh3
47.Rc7Kf8
48.Nf3Rh1
49.Rc8+Kg7
50.Re8Ra1
51.Rxe7+Kg8
52.Re8+Kg7
53.Re7+Kg8
54.Re6Ra4
55.Ke3Kg7
56.Rxd6Kh6
57.Rd7Ra3+
58.Kd4Rd3+
59.Kc5Rc3+
60.Kd6Rc6+
61.Ke7Re6+
62.fxe6f5
63.Kf6f4
64.Rh7#
CHECK!

Sunday, December 8, 2019

Mate in 6

ICC tourney 1763 (12 3), Internet Chess Club
Analysis of john2001plus (1664) vs. doodlestoo (1356)
8
7
6
5
4
3
2
1
abcdefgh
+4
(white to move)
1.Nf3Nf6
2.d4g6
3.c4Bg7
4.Nc3O-O
5.e4c5
6.Be2cxd4
7.Nxd4Nc6
8.Be3a6
9.O-OQc7
10.Rc1d6
11.Nd5Qd8
12.f3Nxd5
13.cxd5Nxd4
14.Bxd4Bxd4+
15.Qxd4b5
16.Rc2Rb8
17.Rfc1Qa5
18.a3f6
19.Rc7Bb7
20.Rxe7Rbc8
21.Rxc8Rxc8
22.Qxf6Rc1+
23.Kf2Qe1+
24.Ke3Qg1+
25.Kd3Rd1+
26.Bxd1Qxd1+
27.Ke3Qc1+
28.Kf2Qd2+
29.Kg3Qe1+
30.Kh3Bc8+
31.Re6Qc1
32.Qd8+Kg7
33.Qe7+Kh6
34.Qf8+Kh5
35.g4+Kg5
36.Qf6+Kh6
37.Qh4+Kg7
38.Re7+Kg8
39.Qxh7+Kf8
40.Qf7#
 

Mate in 5

ICC tourney 1763 (12 3), Internet Chess Club
Analysis of john2001plus (1664) vs. doodlestoo (1356)
8
7
6
5
4
3
2
1
abcdefgh
+4
(white to move)
1.Nf3Nf6
2.d4g6
3.c4Bg7
4.Nc3O-O
5.e4c5
6.Be2cxd4
7.Nxd4Nc6
8.Be3a6
9.O-OQc7
10.Rc1d6
11.Nd5Qd8
12.f3Nxd5
13.cxd5Nxd4
14.Bxd4Bxd4+
15.Qxd4b5
16.Rc2Rb8
17.Rfc1Qa5
18.a3f6
19.Rc7Bb7
20.Rxe7Rbc8
21.Rxc8Rxc8
22.Qxf6Rc1+
23.Kf2Qe1+
24.Ke3Qg1+
25.Kd3Rd1+
26.Bxd1Qxd1+
27.Ke3Qc1+
28.Kf2Qd2+
29.Kg3Qe1+
30.Kh3Bc8+
31.Re6Qc1
32.Qd8+Kg7
33.Qe7+Kh6
34.Qh4+Kg7
35.Qe7+Kh6
36.Qf8+Kg5
37.Qf6+Kh6
38.Kh4Qe1+
39.g3Qxg3+
40.hxg3Bxe6
41.Qf8#
 

Mate in 4

ICC tourney 1763 (12 3), Internet Chess Club
Analysis of john2001plus (1664) vs. doodlestoo (1356)
8
7
6
5
4
3
2
1
abcdefgh
+8
(white to move)
1.Nf3Nf6
2.d4g6
3.c4Bg7
4.Nc3O-O
5.e4c5
6.Be2cxd4
7.Nxd4Nc6
8.Be3a6
9.O-OQc7
10.Rc1d6
11.Nd5Qd8
12.f3Nxd5
13.cxd5Nxd4
14.Bxd4Bxd4+
15.Qxd4b5
16.Rc2Rb8
17.Rfc1Qa5
18.a3f6
19.Rc7Bb7
20.Rxe7Rbc8
21.Rxc8Rxc8
22.Qxf6Rc1+
23.Kf2Qe1+
24.Ke3Qg1+
25.Kd3Rd1+
26.Bxd1Qxd1+
27.Ke3Qc1+
28.Kf2Qd2+
29.Kg3Qe1+
30.Kh3Bc8+
31.Re6Qc1
32.Qd8+Kg7
33.Qe7+Kh6
34.Qh4+Kg7
35.Qe7+Kh6
36.Qf8+Kg5
37.f4+Qxf4
38.Qxf4+Kxf4
39.Kh4g5+
40.Kh5g4
41.Re8Bb7
42.Rb8Bxd5
43.exd5Ke5
44.Kxg4Kxd5
45.Rb6a5
46.Rxb5+Kc4
47.Rxa5h5+
48.Rxh5Kb3
49.Kf3Ka4
50.Ke3Kb3
51.Kd3Ka4
52.Rd5Kb3
53.Rb5+Ka4
54.Kc4d5+
55.Kc5d4
56.Kb6d3
57.Rb4#
 

Mate in 4

ICC tourney 1763 (12 3), Internet Chess Club
Analysis of john2001plus (1664) vs. doodlestoo (1356)
8
7
6
5
4
3
2
1
abcdefgh
+8
(white to move)
1.Nf3Nf6
2.d4g6
3.c4Bg7
4.Nc3O-O
5.e4c5
6.Be2cxd4
7.Nxd4Nc6
8.Be3a6
9.O-OQc7
10.Rc1d6
11.Nd5Qd8
12.f3Nxd5
13.cxd5Nxd4
14.Bxd4Bxd4+
15.Qxd4b5
16.Rc2Rb8
17.Rfc1Qa5
18.a3f6
19.Rc7Bb7
20.Rxe7Rbc8
21.Rxc8Rxc8
22.Qxf6Rc1+
23.Kf2Qe1+
24.Ke3Qg1+
25.Kd3Rd1+
26.Bxd1Qxd1+
27.Ke3Qc1+
28.Kf2Qd2+
29.Kg3Qe1+
30.Kh3Bc8+
31.Re6Qc1
32.Qd8+Kg7
33.Qe7+Kh6
34.Qh4+Kg7
35.Qe7+Kh6
36.Qf8+Kg5
37.f4+Qxf4
38.Qxf4+Kxf4
39.Kh4g5+
40.Kh5g4
41.Re8Bb7
42.Rb8Bxd5
43.exd5Ke5
44.Kxg4Kxd5
45.Rb6a5
46.Rxb5+Kc4
47.Rxa5h5+
48.Rxh5Kb3
49.Kf3Ka4
50.Ke3Kb3
51.Kd3Ka4
52.Rd5Kb3
53.Rb5+Ka2
54.Kc2Ka1
55.a4Ka2
56.Rb3Ka1
57.Ra3#
 
Click here for 54... d5.

Mate in 4

ICC tourney 1763 (12 3), Internet Chess Club
Analysis of john2001plus (1664) vs. doodlestoo (1356)
8
7
6
5
4
3
2
1
abcdefgh
+7
(white to move)
1.Nf3Nf6
2.d4g6
3.c4Bg7
4.Nc3O-O
5.e4c5
6.Be2cxd4
7.Nxd4Nc6
8.Be3a6
9.O-OQc7
10.Rc1d6
11.Nd5Qd8
12.f3Nxd5
13.cxd5Nxd4
14.Bxd4Bxd4+
15.Qxd4b5
16.Rc2Rb8
17.Rfc1Qa5
18.a3f6
19.Rc7Bb7
20.Rxe7Rbc8
21.Rxc8Rxc8
22.Qxf6Rc1+
23.Kf2Qe1+
24.Ke3Qg1+
25.Kd3Rd1+
26.Bxd1Qxd1+
27.Ke3Qc1+
28.Kf2Qd2+
29.Kg3Qe1+
30.Kh3Bc8+
31.Re6Qc1
32.Qd8+Kg7
33.Qe7+Kh6
34.Qh4+Kg7
35.Qe7+Kh6
36.Qf8+Kg5
37.f4+Qxf4
38.Qxf4+Kxf4
39.Kh4g5+
40.Kh5g4
41.Re8Bb7
42.Rb8Bxd5
43.exd5Ke5
44.Kxg4Kxd5
45.Rb6a5
46.Rxb5+Kc4
47.Rxa5h5+
48.Rxh5Kb3
49.Kf3Ka4
50.Ke3Kb3
51.Kd3Ka4
52.Rd5Kb3
53.a4Kxa4
54.Kc2Kb4
55.b3Ka3
56.Rd4d5
57.Ra4#
 

Sunday, November 24, 2019

What is the strongest continuation for Black?

ICC tourney 1755 (12 3), Internet Chess Club
Analysis of lewisischess (1427) vs. john2001plus (1727)
1
2
3
4
5
6
7
8
hgfedcba
-1
(black to move)
1.e4e6
2.d4d5
3.Nc3Nf6
4.e5Nfd7
5.Nf3c5
6.Be3Nc6
7.dxc5Ndxe5
8.Nxe5Nxe5
9.Bd4Nc6
10.Bb5Bd7
11.Bxc6Bxc6
12.O-OQa5
13.Re1Bxc5
14.Bxg7Rg8
15.Rxe6+fxe6
16.Qh5+Kd7
17.Qf7+Be7
18.Bf6Qd8
19.Re1Rxg2+
20.Kf1d4
21.Qxe6+Kc7
22.Qxe7+Qxe7
23.Rxe7+Kd6
24.Ne4+Bxe4
25.Rxe4Rxh2
26.Rxd4+Ke6
27.Bg5Rc8
28.c3Rc5
29.Be3Rd5
30.Re4+Kd7
31.Ke2a6
32.Rg4Rh1
33.Rg7+Kc6
34.a4h5
35.b4Rd7
36.Rg6+Rd6
37.Rg8h4
38.a5h3
39.Rc8+Kd7
40.Rh8Rg6
41.Rh7+Kc6
42.Kd3Rd6+
43.Kc4Rg6
44.Bd4Rg4
45.Rh6+Kd7
46.Rh7+Kc8
47.Rh8+Kd7
48.Rh7+Ke6
49.Rxb7Kf5
50.Rf7+Kg6
51.Rf6+Kg5
52.Rxa6h2
53.Ra8Rxd4+
54.Kb5Rh4
55.Rg8+Kf6
56.Rc8Ra1
57.Kb6h1=Q
 

What is the fastest path to victory?

ICC tourney 1755 (12 3), Internet Chess Club
Analysis of lewisischess (1427) vs. john2001plus (1727)
1
2
3
4
5
6
7
8
hgfedcba
+4
(black to move)
1.e4e6
2.d4d5
3.Nc3Nf6
4.e5Nfd7
5.Nf3c5
6.Be3Nc6
7.dxc5Ndxe5
8.Nxe5Nxe5
9.Bd4Nc6
10.Bb5Bd7
11.Bxc6Bxc6
12.O-OQa5
13.Re1Bxc5
14.Bxg7Rg8
15.Rxe6+fxe6
16.Qh5+Kd7
17.Qf7+Be7
18.Bf6Qd8
19.Re1Rxg2+
20.Kf1d4
21.Qxe6+Kc7
22.Qxe7+Qxe7
23.Rxe7+Kd6
24.Ne4+Bxe4
25.Rxe4Rxh2
26.Rxd4+Ke6
27.Bg5Rc8
28.c3Rc5
29.Be3Rd5
30.Re4+Kd7
31.Ke2a6
32.Rg4Rh1
33.Rg7+Kc6
34.a4h5
35.b4Rd7
36.Rg6+Rd6
37.Rg8h4
38.a5h3
39.Rc8+Kd7
40.Rh8Rg6
41.Rh7+Kc6
42.Kd3Rd6+
43.Kc4Rg6
44.Bd4Rg4
45.Rh6+Kd7
46.Rh7+Kc8
47.Rh8+Kd7
48.Rh7+Ke6
49.Rxb7Kf5
50.Rf7+Kg6
51.Rf6+Kg5
52.Rxa6h2
53.Ra8Rd1
54.Rg8+Kf5
55.Rf8+Ke6
56.Rf6+Ke7
57.Rh6h1=Q
58.Rxh1Rxh1
59.a6Kd6
60.Kb5Ra1
61.Kb6Rf4
62.b5Rf7
63.Bc5+Kd5
64.Bd4Ra3
65.f4Rxf4
66.Kc7Rf7+
67.Kb8Rf8+
68.Kb7Rf7+
69.Kc8Kd6
70.a7Ra2
71.Bb6Rg2
72.Bd8Rg8
73.a8=QRc7+
 

Sunday, November 17, 2019

Black to play and win

ICC tourney 1751 (12 3), Internet Chess Club
pawninthegrass (1528) vs. john2001plus (1727)
1
2
3
4
5
6
7
8
hgfedcba
-1
(black to move)
1.g3e5
2.Bg2d5
3.d3Nf6
4.Bg5Bc5
5.e3c6
6.d4exd4
7.exd4Bd6
8.Ne2O-O
9.O-Oh6
10.Bf4Bg4
11.f3Bf5
12.g4Bg6
13.Qd2Re8
14.Nbc3Qc7
15.Rae1Nbd7
16.Bxd6Qxd6
17.h3b5
18.Nd1Re7
19.Nf2Rae8
20.c3a5
21.Nd3Bxd3
22.Qxd3Re3
23.Qd2Qe7
24.Kf2Nh7
25.Ng3Rxe1
26.Rxe1Qxe1+
27.Qxe1Rxe1
28.Kxe1g6
29.f4Nhf6
30.Ke2Kf8
31.Ke3Ke7
32.g5hxg5
33.fxg5Nh7
34.h4f6
35.gxf6+Nhxf6
36.Kf4Nh7
37.Bh3Nb6
38.b3Kf6
39.h5Ng5
40.Bg4gxh5
41.Nxh5+Kg6
42.Ng3Kf6
43.Bf5Nf7
44.Nh5+Ke7
45.Bg6Nd6
46.Ng3a4
47.Nf5+Nxf5
48.Bxf5Kd6
49.Kg5axb3
50.axb3c5
51.Bd3c4
52.bxc4dxc4
53.Be4Na4
54.Kf4Nxc3
55.Bf3b4
56.Ke3b3
57.Bh5b2
58.Bg6b1=Q
59.Bxb1Nxb1
 

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.Nxe5dxe5
12.Qh5+Kd7
13.Qxf5+Ke8
14.Qg6+Kd7
15.Bf5#
 

Mate in 5...

Casual 5+2, Greenwood Chess Club
Coffey, John (2016) vs. Gusev, Dmitri (1865)
8
7
6
5
4
3
2
1
abcdefgh
-3
(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.Qxe4dxe5
16.O-O-OBd6
17.c5Kxc5
18.Qc2+Kb5
19.a4+Ka5
20.Qc3+Kxa4
21.b3+Kb5
22.Qc4+Ka5
23.Qa4#
 

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.gxf7Kg7
25.Rd3Qb6
26.Rg3+Qg6
27.Rxg6+Kxg6
28.d5Ra8
29.Qxb7
 

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
-2
(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.gxf7Kg7
25.Rd3Rd6
26.Rg3+Rg6
27.Qe5+Kxf7
28.Qf5+Ke7
29.Re3+Kd6
30.Qxf8+Kc7
31.Qf7+Kc8
32.Re8+