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#
 

Sunday, January 20, 2019

Black to play and win

ICC tourney 1581 (12 3), Internet Chess Club
Analysis of capatal1 (1419) vs. redmonk (1498)
1
2
3
4
5
6
7
8
hgfedcba
0
(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.Ke6Ke4
77.f7Qg7
78.Ke7Kd5
79.Ke8Ke6
 

Friday, January 18, 2019

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
-1
(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
 

Thursday, January 17, 2019

What is the strongest continuation for Black?

Live Chess, Chess.com
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.Bf1Nxf1
23.Qxf1f2+
24.Kh1Qd2
25.Rd3Qxb2
26.Rdd1Bb5
27.Rdb1Bxf1
28.Rxb2Ba6
29.h3f1=Q+
30.Rxf1Rxf1+
 

White to play and win

Live Chess, Chess.com
Analysis of Dj_Volt (1407) vs. john2001plus (1850)
8
7
6
5
4
3
2
1
abcdefgh
+1
(white to move)
1.e4e6
2.Nf3d5
3.exd5exd5
4.d4Nf6
5.Nc3Bd6
6.Bg5c6
7.Bd3h6
8.Bh4O-O
9.O-ORe8
10.Re1Rxe1+
11.Qxe1g5
12.Bg3Be6
13.Bxd6Qxd6
14.Qd2Nbd7
15.Re1b5
16.Ne5a5
17.Nxd7Bxd7
18.Ne2Re8
19.c3Ne4
20.Bxe4Rxe4
21.Ng3Rxe1+
22.Qxe1Qe6
23.Qxe6fxe6
24.Nh5Kf7
25.g4e5
26.h3exd4
27.cxd4Ke6
28.f4gxf4
29.Nxf4+Kd6
30.Kf2c5
31.Ke3c4
32.Kd2b4
33.Ng6h5
34.gxh5Be8
35.Nf4Bf7
36.h6Bg8
37.Nh5Ke6
38.Nf4+Kf6
39.h4Bf7
40.a3Bg8
41.h7Bxh7
42.axb4axb4
43.Nxd5+
 

Monday, January 7, 2019

What is the fastest path to checkmate?

Let's Play!, Chess.com
Analysis of Caissarius (1853) vs. soitgoes317 (1938)
1
2
3
4
5
6
7
8
hgfedcba
0
(black to move)
1.d4Nf6
2.c4c5
3.d5e6
4.Nc3exd5
5.cxd5d6
6.e4g6
7.Bd3Bg7
8.Nge2O-O
9.O-ONa6
10.a3Nc7
11.Bg5a6
12.a4h6
13.Be3Re8
14.Qd2Kh7
15.h3Bd7
16.g4b5
17.Bxh6Bxh6
18.g5Bxh3
19.Rfe1c4
20.Bb1Nh5
21.gxh6Qh4
22.Qe3Re5
23.Ng3b4
24.Nce2Nxd5
25.Qd4Ndf4
26.Nxf4Nxf4
27.Qxd6Rg5
28.Re3Be6
29.Qc6Rd8
30.Bc2Nh3+
31.Kg2Rd2
32.Kf1Qf4
33.Re2Rxg3
34.Rxd2Rg1+
35.Ke2Qxf2#
 
Click here for 32. Rf1.