Monday, May 28, 2018

White to play and win

Live Chess, Chess.com
Taechess (1496) vs. John2001plus (1776)
8
7
6
5
4
3
2
1
abcdefgh
0
(white to move)
1.e4e6
2.d4d5
3.e5c5
4.c3Nc6
5.Nf3Qb6
6.a3f6
7.Bd3fxe5
8.dxe5c4
9.Bc2Nge7
10.O-Og6
11.Nbd2Bg7
12.Qe2O-O
13.b3cxb3
14.Nxb3Qc7
15.Re1Bd7
16.a4Rac8
17.Ba3Rfe8
18.Bd6Qd8
19.Nc5b6
20.Nb7
 

Friday, May 18, 2018

What is the best move for White?

Live Chess, Chess.com
john2001plus (1898) vs. Phlegmaman (1845)
8
7
6
5
4
3
2
1
abcdefgh
0
(white to move)
1.Nf3d5
2.d4Nf6
3.c4c6
4.e3Bf5
5.cxd5cxd5
6.Nc3e6
7.Qb3Qb6
8.Qxb6axb6
9.Bb5+Nc6
10.Ne5Rc8
11.Na4Bb4+
12.Bd2Bxd2+
13.Kxd2Ne4+
14.Ke2f6
15.Nxb6Rc7
16.Nxc6bxc6
17.Bd3Ke7
18.Rhc1Rb8
19.Na4e5
20.f3Nd6
21.b3e4
22.fxe4Bxe4
23.Nc5Bxd3+
24.Kxd3Ra8
25.a4Nf5
26.b4Kd6
27.g3Re7
28.e4dxe4+
29.Nxe4+Kd7
30.Nc5+Kd6
31.Re1Rb8
32.Rxe7Nxe7
33.Ne4+Kd5
34.Nc3+Kd6
35.b5h5
36.Ne4+Kd5
37.Rc1Ra8
38.b6Rxa4
39.Nc3+
 

Sunday, May 13, 2018

What is the best move for White?

Chess.com USCF Online rated 15+10, ?
Analysis of john2001plus (1875) vs. skuhl99 (1458)
8
7
6
5
4
3
2
1
abcdefgh
+1
(white to move)
1.Nf3Nf6
2.d4c5
3.c4cxd4
4.Nxd4Nc6
5.Nc3g6
6.e4d6
7.f3Bg7
8.Be3O-O
9.Be2a6
10.O-OBd7
11.Qd2Qb6
12.Ne6Qa5
13.Nxf8Kxf8
14.a3Qc7
15.b4Ne5
16.Nd5Nxd5
17.cxd5Nc4
18.Bxc4Bxa1
19.Rxa1Qxc4
20.Rc1Qb3
21.Bd4f6
22.Rc7Rd8
23.h4Ke8
24.Kh2Rc8
25.Rxc8+Bxc8
26.Qc1Bd7
27.Qh6Bc8
28.Qxh7Kf8
29.Qh8+
 

Black to play and win.

?, ?
Analysis of john2001plus (1875) vs. skuhl99 (1458)
1
2
3
4
5
6
7
8
hgfedcba
-4
(black to move)
1.Nf3Nf6
2.d4c5
3.c4cxd4
4.Nxd4Nc6
5.Nc3g6
6.e4d6
7.f3Bg7
8.Be3O-O
9.Be2a6
10.O-OBd7
11.Qd2Qb6
12.Ne6Qa5
13.Nxf8Kxf8
14.a3Qc7
15.b4Ne5
16.Nd5Nxd5
17.cxd5Nc4
18.Bxc4Bxa1
19.Rxa1Qxc4
20.Rc1Qb3
21.Bd4f6
22.Rc7Rd8
23.Rxb7Qxa3
24.Bb6Qa1+
25.Kf2Ke8
26.Bxd8Kxd8
27.Qc2Qd4+
28.Kf1Bb5+
29.Ke1Qg1+
30.Kd2Qd4+
31.Kc1Qa1+
32.Qb1Qc3+
33.Kd1Bc4
34.e5Qd4+
35.Kc1Qe3+
36.Kb2Qxe5+
37.Kc2Bd3+
38.Kxd3Qf5+
 

Saturday, May 12, 2018

What is the best move for Black?

Chess.com USCF Online rated 15+10, ?
Analysis of john2001plus (1875) vs. skuhl99 (1458)
8
7
6
5
4
3
2
1
abcdefgh
+1
(white to move)
1.Nf3Nf6
2.d4c5
3.c4cxd4
4.Nxd4Nc6
5.Nc3g6
6.e4d6
7.f3Bg7
8.Be3O-O
9.Be2a6
10.O-OBd7
11.Qd2Qb6
12.Ne6Qa5
13.Nxf8Kxf8
14.a3Qc7
15.b4Ne5
16.Nd5Nxd5
17.cxd5Nc4
18.Bxc4Bxa1
19.Rxa1Qxc4
20.Rc1Qb3
21.Bd4f6
22.Rc7Rd8
23.h4Ke8
24.Kh2Rc8
25.Rxc8+Bxc8
26.Qc1Bd7
27.Qh6Bc8
28.Qxh7Kd7
29.Bxf6
 

Wednesday, May 9, 2018

What is the best move for Black?

Live Chess, Chess.com
Analysis of Coupra (1990) vs. John2001plus (1785)
1
2
3
4
5
6
7
8
hgfedcba
+2
(black to move)
1.c4e5
2.g3Nf6
3.Bg2c6
4.e4d5
5.cxd5cxd5
6.exd5Nxd5
7.Qb3Nb4
8.Bf1Be6
9.Qc3Nb8c6
10.a3Rc8
11.Bb5Qd5
12.axb4Qxh1
13.Kf1Bh3+
14.Ke2Qxg1
 

Black to play for mate.

Live Chess, Chess.com
Coupra (1990) vs. John2001plus (1785)
1
2
3
4
5
6
7
8
hgfedcba
+13
(black to move)
1.c4e5
2.g3Nf6
3.Bg2c6
4.e4d5
5.cxd5cxd5
6.exd5Nxd5
7.Qb3Nb4
8.Bf1Be6
9.Qc3Nb8c6
10.a3Rc8
11.Bb5Qd5
12.axb4Qxh1
13.Rxa7Qxg1+
14.Ke2Bg4+
15.f3Qxa7
16.fxg4Qg1
17.Qxe5+Kd8
18.Qd5+Kc7
19.d3Re8+
20.Kd2Qe1+
21.Kc2Nxb4+
22.Kb3Nxd5
23.Bc4Qb4+
24.Kc2Nb6
25.Bf4+Bd6
26.Bd2Qa4+
27.b3Qa2+
28.Kc1Nxc4
29.bxc4Ba3+
30.Nxa3Qxa3+
31.Kc2Re2
32.Kd1Rxd2+
33.Kxd2Re8
34.d4Qb2+
35.Kd3Re2
36.c5Qc2#
 

What is the best move for Black?

Live Chess, Chess.com
Analysis of MafuMafu (1807) vs. Coupra (2026)
1
2
3
4
5
6
7
8
hgfedcba
-9
Result: black won
1.d4Nf6
2.c4e6
3.Nc3d5
4.Nf3c5
5.cxd5exd5
6.Bg5cxd4
7.Nxd4Be7
8.e3Nc6
9.Be2O-O
10.O-Oh6
11.Bf4Bc5
12.Nb3Bb4
13.Rc1Bf5
14.Nb5a6
15.Nb5d4Bg6
16.Nxc6bxc6
17.Rxc6Qd7
18.Nd4Ne4
19.Rc7Qd8
20.Qa4a5
21.a3Bd6
22.Bxd6Qxd6
23.Rfc1Rfb8
24.b3Qf6
25.Bf3Qh4
26.Bxe4Bxe4
27.Qd7Qf6
28.Rc1c6Qg5
29.Qxf7+Kh7
30.g3a4
31.b4Rf8
32.Ne6Qg4
33.Nxf8+Rxf8
34.Qxf8
 

Thursday, May 3, 2018

White to play and win

Live Chess, Chess.com
Analysis of Coupra (1958) vs. John2001plus (1795)
8
7
6
5
4
3
2
1
abcdefgh
-5
(white to move)
1.d4Nf6
2.Nf3e6
3.c4b6
4.Nc3Bb7
5.Qc2Bb4
6.Bd2Bxc3
7.bxc3Ne4
8.e3O-O
9.Bd3f5
10.O-Od6
11.a4a5
12.Rab1Nd7
13.Qb3Nxd2
14.Nxd2Qg5
15.g3e5
16.d5Nc5
17.Qc2e4
18.Be2Bc8
19.Rfd1Bd7
20.Ra1Rae8
21.Nb3Bxa4
22.Rxa4Nxa4
23.Nd4Nc5
24.Bf1f4
25.exf4Rxf4
26.Bg2Rff8
27.Re1a4
28.Bxe4Nxe4
29.Rxe4Rxe4
30.Qxe4Qc1+
31.Kg2Qxc3
32.Qe6+Kh8
33.Qe7Rg8
34.Ne6a3
35.Ng5h6
36.Nf7+Kh7
37.Qe4+g6
38.Qh4Qd2
39.Qe7g5
40.Nxg5+Kg6
41.Qf7+Kxg5
42.h4+Kg4
43.Qf3#
 

White to play and win

Live Chess, Chess.com
Analysis of Coupra (1958) vs. John2001plus (1795)
8
7
6
5
4
3
2
1
abcdefgh
+7
(white to move)
1.d4Nf6
2.Nf3e6
3.c4b6
4.Nc3Bb7
5.Qc2Bb4
6.Bd2Bxc3
7.bxc3Ne4
8.e3O-O
9.Bd3f5
10.O-Od6
11.a4a5
12.Rab1Nd7
13.Qb3Nxd2
14.Nxd2Qg5
15.g3e5
16.d5Nc5
17.Qc2e4
18.Be2Bc8
19.Rfd1Bd7
20.Ra1Rae8
21.Nb3Bxa4
22.Rxa4Nxa4
23.Nd4Nc5
24.Bf1f4
25.exf4Rxf4
26.Bg2Rff8
27.Re1a4
28.Bxe4Nxe4
29.Rxe4Rxe4
30.Qxe4Qc1+
31.Kg2Qxc3
32.Qe6+Kh8
33.Qe7Rg8
34.Ne6a3
35.Ng5h6
36.Nf7+Kh7
37.Qe4+g6
38.Qh4Qd2
39.Qe7h5
40.Ng5+Kh6
41.h4Rg7
42.Qf8Qxg5
43.Qh8+Rh7
44.hxg5+Kxg5
45.Qf8Rf7
46.Qxf7Kh6
47.Qg8a2
48.Qh8+Kg5
49.Qf8h4
50.Qf4+Kh5
51.g4#
 

White to play and win

Live Chess, Chess.com
Analysis of Coupra (1958) vs. John2001plus (1795)
8
7
6
5
4
3
2
1
abcdefgh
-3
(white to move)
1.d4Nf6
2.Nf3e6
3.c4b6
4.Nc3Bb7
5.Qc2Bb4
6.Bd2Bxc3
7.bxc3Ne4
8.e3O-O
9.Bd3f5
10.O-Od6
11.a4a5
12.Rab1Nd7
13.Qb3Nxd2
14.Nxd2Qg5
15.g3e5
16.d5Nc5
17.Qc2e4
18.Be2Bc8
19.Rfd1Bd7
20.Ra1Rae8
21.Nb3Bxa4
22.Rxa4Nxa4
23.Nd4Nc5
24.Bf1f4
25.exf4Rxf4
26.Bg2Rff8
27.Re1a4
28.Bxe4Nxe4
29.Rxe4Rxe4
30.Qxe4Qc1+
31.Kg2Qxc3
32.Qe6+Kh8
33.Qe7Rg8
34.Ne6a3
35.Ng5h6
36.Nf7+Kh7
37.Qe4+g6
38.Qh4Qd2
39.Qe7Rg7
40.Qf8g5
41.Qh8+Kg6
42.Qxh6+Kxf7
43.Qe6+Kf8
44.Qc8+Ke7
45.Qxc7+Kf6
46.Qxd6+Kf5
47.Qe6#