Tuesday, January 29, 2019

Black to play and win

ICC tourney 1581 (12 3), Internet Chess Club
trivialpursuit (1472) vs. john2001plus (1754)
1
2
3
4
5
6
7
8
hgfedcba
+3
(black to move)
1.e4e6
2.Nc3d5
3.d3d4
4.Nce2e5
5.g3Nf6
6.Bg2c5
7.f4Nc6
8.Nf3Bd6
9.O-OO-O
10.h3Qc7
11.Bd2exf4
12.gxf4Nh5
13.e5Be7
14.c3g6
15.Rc1Qb6
16.cxd4Nxd4
17.Nfxd4cxd4
18.Qb3Bf5
19.Rf3Qxb3
20.axb3Rac8
21.Rc4b5
22.Rc1Rxc1+
23.Nxc1Rc8
24.Rf1Rc2
25.Ba5Rxb2
26.Rf2Rxf2
27.Kxf2Nxf4
28.Bf1Nxh3+
29.Kg3Ng5
30.b4Ne6
31.Nb3h5
32.Nd2Bd8
33.Bxd8Nxd8
34.Nf3Nc6
35.Kf4Nxb4
36.Nxd4Bxd3
37.Bh3Nd5+
38.Kg5Kg7
39.Bg2Bc4
40.Bxd5Bxd5
41.Nxb5a5
42.Na3Be4
43.Kf4Bd3
44.Ke3h4
45.Kf3g5
46.Kg4Kg6
47.Kf3h3
48.Kg3g4
49.Kh2Kh5
50.Kg3Kg5
51.Kh2Kf4
52.Kg1Kg3
53.Kh1h2
54.e6Be4#
 

Monday, January 28, 2019

Black to play

King Salman Rapid World Championship, St Petersburg RUS
Peter Svidler (2737) vs. Dmitry Andreikin (2719)
1
2
3
4
5
6
7
8
hgfedcba
0
(black to move)
1.Nf3Nf6
2.c4b6
3.g3Bb7
4.Bg2g6
5.O-Oc5
6.e3Bg7
7.d4O-O
8.Nc3Ne4
9.Ne2Nc6
10.Nf4e6
11.Re1f5
12.d5exd5
13.Nxd5Ne7
14.Nf4Qc7
15.a4g5
16.Nh5g4
17.Nh4Ng6
18.Nxg7Nxh4
19.gxh4Kxg7
20.Qc2Rf6
21.b3Rh6
22.Bb2+Kf7
23.Bxe4Bxe4
24.Qc3Rg8
25.a5Qxh2+
26.Kxh2Rxh4+
27.Kg3Rh3+
28.Kf4Rf3+
29.Ke5Rg6
 

Sunday, January 20, 2019

Black to play and mate in 6

ICC tourney 1581 (12 3), Internet Chess Club
capatal1 (1419) vs. redmonk (1498)
8
7
6
5
4
3
2
1
abcdefgh
-8
(black to move)
1.d4Nf6
2.Nf3g6
3.Bg5Bg7
4.Nbd2O-O
5.e4d6
6.h3Nbd7
7.Bd3e5
8.O-Oc6
9.Nc4Qc7
10.dxe5Nxe5
11.Ncxe5dxe5
12.Bh4Be6
13.Qe2Nh5
14.Bg3Nxg3
15.fxg3h6
16.b3b5
17.a3a5
18.Kh2Rad8
19.c4bxc4
20.Bxc4Qe7
21.Rfc1Rd6
22.Bxe6Qxe6
23.Qc4Rfd8
24.Qa4Rd4
25.Qxa5Rd8d6
26.Re1Rd3
27.b4Kh7
28.b5cxb5
29.Qxb5Rb3
30.Qe2Rdb6
31.a4Rb2
32.Qd1Qf6
33.Rf1Qe7
34.a5Ra6
35.Qd3Qb7
36.Ra3Bf8
37.Ra4Rd6
38.Qc3f6
39.Rc1Rd7
40.Qc6Qxc6
41.Rxc6Be7
42.a6Ra7
43.Ne1Kg7
44.Nd3Rb3
45.Nc5Bxc5
46.Rxc5Rb6
47.Rca5Kf7
48.g4Ke6
49.h4Kd7
50.g5fxg5
51.hxg5hxg5
52.Rxe5Rbxa6
53.Rxa6Rxa6
54.Rxg5Re6
55.Rg4Ke7
56.Kh3Kf6
57.Kg3g5
58.Kf3Re5
59.Ke3Kg6
60.Kd4Ra5
61.Ke3Kh5
62.Rg3Kh4
63.Rh3+Kg4
64.Kd4Ra4+
65.Kd5Ra5+
66.Ke6Kf4
67.Rf3+Kxe4
68.Kf6g4
69.Rf1Ra2
70.g3Ke3
71.Rf4Rf2
72.Ke5Rxf4
73.gxf4g3
74.f5g2
75.f6g1=Q
76.Ke6Qg8+
77.Ke7Ke4
78.f7Qg7
79.Ke8Qg6
80.Ke7Qg7
81.Ke8Qe5+
82.Kd7Qf6
83.Ke8Qe6+
84.Kf8Kf5
85.Kg7Qg6+
86.Kh8Qf6+
87.Kg8Kg6
88.f8=QQe6+
89.Kh8Qh3+
 

Friday, January 18, 2019

White to play and win

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.b5Nd5
33.Bd4Nxf4
34.b6Ne2
35.Be5f6
36.Bd6+Rxd6
37.cxd6+Kxd6
38.Rd1+Ke7
39.Nc5f5
40.Rd7+Kf6
41.b7Rb8
42.Rd2Rxb7
43.Nxb7Nf4
44.b4
 

Thursday, January 17, 2019

What is the strongest continuation for Black?

Live Chess, Chess.com
Analysis of the_truth_7 (1667) vs. john2001plus (1861)
1
2
3
4
5
6
7
8
hgfedcba
+3
(black to move)
1.d4Nf6
2.e3e6
3.Bd3c5
4.c3cxd4
5.exd4d5
6.f4Nc6
7.Nf3Be7
8.O-ONe4
9.Ne5O-O
10.Nd2f5
11.Ndf3Bd6
12.Qe2Bxe5
13.Nxe5Nxe5
14.fxe5Bd7
15.Be3Qh4
16.Rf3Be8
17.Rh3Qg4
18.Qf1f4
19.Be2Qg5
20.Bd2Nxd2
21.Qd1f3
22.Bf1Qe3+
23.Kh1Ne4
24.Rxf3Rxf3
25.Qxf3Nf2+
26.Qxf2Qxf2
 

Wednesday, January 9, 2019

White to play and win

October 2018 Open Main #1 Tournament, https://itsyourturn.com
Analysis of John Coffey vs. jefweb
8
7
6
5
4
3
2
1
abcdefgh
+1
(white to move)
1.d4e6
2.c4c6
3.e4g6
4.Nc3Bg7
5.Nf3a6
6.e5h6
7.Ne4d5
8.exd6 e.p.Nd7
9.c5Ngf6
10.Bd3Nxe4
11.Bxe4f5
12.Bd3b6
13.b4b5
14.Bf4g5
15.Be5O-O
16.Bxg7Kxg7
17.a4g4
18.Ne5Nxe5
19.dxe5Bd7
20.Qd2Kh7
21.h3Qh4
22.g3Qh5
23.O-O-Ogxh3
24.Rh2Rg8
25.Rdh1Qg5
26.Rxh3Qxd2+
27.Kxd2Rg6
28.g4Rag8
29.axb5axb5
30.gxf5exf5
31.Ra1Rg6g7
32.Ra6Re8
33.Rb6Reg8
34.Rxc6Bxc6
35.Bxf5+Rg6
36.Rg3h5
37.e6Kh6
38.Rxg6+Rxg6
39.Bxg6Kxg6
40.d7
 

Tuesday, January 8, 2019

Mate in 7

Casual Game, https://itsyourturn.com
Analysis of John Coffey vs. chess724
8
7
6
5
4
3
2
1
abcdefgh
+4
(white to move)
1.Nf3Nf6
2.d4d5
3.c4e6
4.Nc3c6
5.e3Bb4
6.Bd3dxc4
7.Bxc4O-O
8.O-ONbd7
9.Re1Bxc3
10.bxc3h6
11.e4Nb6
12.Bd3Bd7
13.Bc2a6
14.e5Nfd5
15.Qd3f5
16.exf6 e.p.Nxf6
17.Ne5Nbd5
18.Bxh6gxh6
19.Qg6+Kh8
20.Qxh6+Kg8
21.Rad1Qe7
22.Rd3Rf7
23.Rh3Nh7
24.Nxf7Qf6
25.Rg3+Ng5
26.Rxg5+Kxf7
27.Qh7+Ke8
28.Rg8+Qf8
29.Rxf8+Kxf8
30.Bg6Be8
31.Rxe6Bxg6
32.Rxg6Ne7
33.Qh8+Ng8
34.Rg7Ke8
35.Qxg8#
 

Monday, January 7, 2019

White to play and force mate

Casual Game, https://itsyourturn.com
Analysis of John Coffey vs. Irina Lutikova
8
7
6
5
4
3
2
1
abcdefgh
+6
(white to move)
1.Nf3c6
2.e4g6
3.d4Bg7
4.Nc3d6
5.Bd3Bg4
6.O-Oe5
7.dxe5dxe5
8.h3Bxf3
9.Qxf3Qf6
10.Qg3Nd7
11.Rd1h6
12.a4Ne7
13.Be3O-O
14.Ba6bxa6
15.Rxd7Nc8
16.Rad1Nb6
17.Rd7d6Qe7
18.Bc5Qc7
19.a5Nc4
20.Rd7Qxa5
21.Bxf8Bxf8
22.Qf3f5
23.exf5e4
24.Nxe4Be7
25.Rxe7Qb4
26.Rg7+Kxg7
27.Rd7+Kg8
28.fxg6Rf8
29.Qf6Rxf6
30.Nxf6+Kf8
31.Rf7#
 

Sunday, January 6, 2019

White to play and win

Live Chess, Chess.com
Analysis of learnychess (1693) vs. john2001plus (1842)
8
7
6
5
4
3
2
1
abcdefgh
0
(white to move)
1.e4e6
2.d4d5
3.e5c5
4.Bb5+Bd7
5.Bxd7+Qxd7
6.c3Nc6
7.Nf3Rc8
8.Be3cxd4
9.cxd4Nb4
10.Nc3Ne7
11.O-ONf5
12.a3Nc6
13.Qd3h5
14.Rac1Be7
15.Ne2O-O
16.Ng3Nxg3
17.fxg3Na5
18.Bg5Nc4
19.b4b5
20.h4f6
21.exf6Bxf6
22.Bxf6Rxf6
23.Ng5Rh6
24.Rf7Qc6
25.Rxa7Rc7
26.Rxc7Qxc7
27.Re1Qd7
28.Qe2
 

Saturday, January 5, 2019

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.Kf1Qd7
20.Kg2Rg8+
21.Kh2Qd6+
22.Qf4Ne5
23.Nd4Bg5
 

Mate in 7.

Live Chess, Chess.com
Analysis of Mustangcoffee (1523) vs. john2001plus (1840)
1
2
3
4
5
6
7
8
hgfedcba
+2
(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.Kc2Bf5+
26.Kc1Qxh1+
27.Rd1Qc6+
28.Kd2Bc3+
29.Ke2Re8+
30.Qe3Rxe3+
 

What is the fastest path to checkmate?

Live Chess, Chess.com
Analysis of pawnofking (1535) vs. john2001plus (1824)
1
2
3
4
5
6
7
8
hgfedcba
+11
(black to move)
1.d4Nf6
2.c4e6
3.Nf3b6
4.g3Bb7
5.Bg2d5
6.cxd5exd5
7.O-OBd6
8.Nc3c6
9.Bg5h6
10.Bxf6Qxf6
11.e4Bb4
12.e5Qe6
13.Ne2g5
14.h4Be7
15.Kh2Nd7
16.Qa4a5
17.Rac1O-O
18.Qc2Qg6
19.Qd2Rac8
20.Qe3c5
21.Rh1cxd4
22.Qxd4Bc5
23.Qg4f5
24.exf6 e.p.Nxf6
25.Qe6+Kg7
26.Rxc5bxc5
27.hxg5hxg5
28.Qb6Ng4+
29.Kg1Qxb6
30.Nxg5Rxf2
31.Nf4Qxb2
32.Rh7+Kg8
33.Bxd5+Bxd5
34.Rg7+Qxg7
35.Nd3Qa1+
36.Ne1Qxe1#
 
Click here for 32. Bf1.

Friday, January 4, 2019

White to play and win

Live Chess, Chess.com
Analysis of Jahonas (2245) vs. john2001plus (1834)
8
7
6
5
4
3
2
1
abcdefgh
0
(white to move)
1.d4Nf6
2.Nf3e6
3.c4b6
4.g3Bb7
5.Bg2Bb4+
6.Bd2Bxd2+
7.Nbxd2O-O
8.O-Od6
9.Rc1Nbd7
10.Qc2c5
11.dxc5Nxc5
12.Rfd1Rc8
13.Qb1Nfe4
14.b4Nxd2
15.Nxd2Bxg2
16.Kxg2Nb7
17.Ne4Qc7
18.Qd3Rfd8
19.Ng5g6
20.Qd4e5
21.Qh4f5
22.e4Qe7
23.exf5gxf5
24.Qh6Rf8
25.h4Rf6
26.Qh5h6
27.Nf3Qf7
28.Qxf7+Kxf7
29.Rd2f4
30.g4Rg8
31.g5hxg5
32.hxg5Rf5
33.c5e4
34.c6exf3+
35.Kxf3Na5
36.bxa5Rfxg5
37.c7Rc5
38.Rxc5bxc5
39.Rxd6Rc8
40.Rc6
 

Mate in 6.

Live Chess, Chess.com
Analysis of Mustangcoffee (1523) vs. john2001plus (1840)
1
2
3
4
5
6
7
8
hgfedcba
+7
(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.Kc1Qc4+
28.Kd1Qf1+
29.Kc2Bf5+
30.Kb3Qb5+
31.Ka3Be7+
32.Rd6Bxd6+
33.Qc5Bxc5#
 

Thursday, January 3, 2019

Black to play and win.

Live Chess, Chess.com
Analysis of PlanetChessClub (2022) vs. john2001plus (1858)
1
2
3
4
5
6
7
8
hgfedcba
0
(black to move)
1.e4e6
2.Nf3d5
3.exd5exd5
4.d4Nf6
5.Be2Bd6
6.c3O-O
7.Bg5h6
8.Bh4g5
9.Bg3Ne4
10.Nbd2Nc6
11.Nxe4dxe4
12.Ne5Bxe5
13.dxe5Qe7
14.Qa4Nxe5
15.Qxe4Re8
16.Bxe5Qxe5
17.Qxe5Rxe5
18.f3Bf5
19.Kf2Rd8
20.Rad1Red5
21.Rxd5Rxd5
22.Ke3Re5+
23.Kf2Rd5
24.Rd1Rxd1
25.Bxd1Be6
26.a3f6
27.Ke3Kf7
28.Kd4Ke7
29.c4Kd6
30.b4b6
31.c5+bxc5+
32.bxc5+Ke7
33.Ba4Bd7
34.c6Bc8
35.Bb5Kd6
36.a4Bf5
37.Kc4a5
38.Kd4Bc2
39.Ke3Ke5
40.g3Bb3
41.f4+gxf4+
42.gxf4+Kd6
43.Kd4Bd5
44.Bd3Bxc6
45.Bc2Bd7
46.Bb3c5+
47.Kc3c4
48.Kxc4Be6+
49.Kc3Bxb3
50.Kxb3Kc5
51.Kc3h5
52.h3h4
53.f5Kd5
54.Kd3Ke5
55.Kc4Kf4
56.Kb5Kg3
57.Kxa5Kxh3
58.Kb6Kg4
59.a5h3
60.a6h2
61.a7h1=Q
 

Wednesday, January 2, 2019

White to play and win

Live Chess, Chess.com
Analysis of Blues4 (2268) vs. john2001plus (1878), 3+2
8
7
6
5
4
3
2
1
abcdefgh
-1
(white to move)
1.d4Nf6
2.Bg5c5
3.Bxf6gxf6
4.d5e6
5.c4b5
6.e3bxc4
7.Bxc4Qa5+
8.Nc3Ba6
9.Qb3Qb4
10.Bxa6Nxa6
11.dxe6fxe6
12.Qxb4cxb4
13.Ne4f5
14.Nd2Bg7
15.O-O-ORc8+
16.Kb1d5
17.Ne2Ke7
18.Nf4Nc5
19.Nb3Na4
20.Rd2Rhd8
21.Rhd1Bxb2
22.Rxb2Nc3+
23.Kc2Na4+
24.Kb1Nc3+
25.Kc1Nxa2+
26.Kd2Nc3
27.Ra1Ne4+
28.Ke2Rc7
29.Nd4e5
30.Nfe6Nc3+
31.Ke1exd4
32.Nxc7d3
33.Kd2Ne4+
34.Kxd3Kd6
35.Nb5+Ke5
36.Nd4Rc8
37.Ra6Nc5+
38.Ke2Nxa6
39.f4+Ke4
40.Nb5Rd8
41.Rxb4+d4
42.Nc3#
 

Black to play for a winning advantage.

Live Chess, Chess.com
Taechess (1693) vs. John2001plus (1715)
1
2
3
4
5
6
7
8
hgfedcba
0
(black to move)
1.e4e6
2.d4d5
3.e5c5
4.c3Nc6
5.Nf3Qb6
6.Bd3Bd7
7.Bc2cxd4
8.cxd4Rc8
9.Nc3Nb4
10.O-ONxc2
11.Qxc2Ne7
12.Be3Nf5
13.Rac1Be7
14.a3O-O
15.Qd2Rc4
16.Ne2Rfc8
17.Rxc4Rxc4
18.Rc1Qb3
19.Rxc4Qxc4
20.Ng3Nxg3
21.fxg3Bb5
22.Qc1a5
23.Qxc4Bxc4
24.Nd2b5
25.Kf2b4
26.Nxc4dxc4
27.a4h6
28.h4b3
29.Bd2Bb4
30.Bxb4axb4
31.a5c3
32.a6cxb2
33.a7b1=Q
34.a8=Q+Kh7
 

Tuesday, January 1, 2019

White to play and win

Live Chess, Chess.com
Analysis of Valbab (1926) vs. John2001plus (1700)
8
7
6
5
4
3
2
1
abcdefgh
+1
(white to move)
1.e4e6
2.d4d5
3.e5c5
4.c3Nc6
5.Nf3Qb6
6.a3f6
7.b4fxe5
8.dxe5Qc7
9.Bf4Nge7
10.Bd3Ng6
11.Bxg6+hxg6
12.Qd3Qf7
13.Bg3Qf5
14.Qd2b6
15.O-OBa6
16.Re1Rd8
17.Nh4Qd3
18.Qg5Be7
19.Qxg6+Qxg6
20.Nxg6Rh5
21.Nxe7Kxe7
22.Nd2d4
23.c4cxb4
24.axb4Bb7
25.Ne4Nxe5
26.Rxa7Rd7
27.c5Bxe4
28.Rxd7+Nxd7
29.Bd6+Kf7
30.Rxe4bxc5
31.bxc5Nxc5
32.Rxd4Nb3
33.Rd1Rd5
34.Rxd5exd5
35.f4Ke6
36.Be5g6
37.Kf2Kf5
38.Ke3d4+
39.Bxd4Nxd4
40.Kxd4Kxf4
41.Kd3g5
42.Ke2Ke4
43.Kf2Kf4
44.g3+Kg4
45.Kg2Kh5
46.Kf3Kg6
47.Kg4Kh6
48.Kf5Kh5
49.g4+Kh4
50.h3