Chess Level 4: 2020

Sunday, December 13, 2020

Black to play and win

Chess.com Live Chess, Chess.com
Analysis of DanteJohn (1813) vs. john2001plus (2038)


1
2
3
4
5
6
7
8

(black to move)

1.	e4	c5
2.	Nf3	Nc6
3.	d4	cxd4
4.	Nxd4	Nf6
5.	Nc3	g6
6.	Be3	Bg7
7.	f3	O-O
8.	Qd2	d5
9.	exd5	Nxd5
10.	Nxd5	Qxd5
11.	Nxc6	Qxc6
12.	O-O-O	Be6
13.	Kb1	Rac8
14.	Be2	Qa4
15.	a3	Ba2+
16.	Kc1	Qb3
17.	c4	Rcd8
18.	Qe1	Bxb2#

Thursday, December 10, 2020

White to play

SCC_SF_Match01, Chess.com
So, Wesley (3140) vs. Nakamura, Hikaru (3181)


8
7
6
5
4
3
2
1

-3

(white to move)

1.	e4	e5
2.	Nf3	Nc6
3.	Bb5	Nf6
4.	d3	Bc5
5.	c3	d5
6.	exd5	Qxd5
7.	Bc4	Qd6
8.	Qe2	O-O
9.	Bg5	Bf5
10.	Bxf6	Qxf6
11.	Nbd2	Bb6
12.	Ne4	Qe7
13.	Ng3	Bg6
14.	h4	h6
15.	h5	Bh7
16.	Nh4	Rad8
17.	Ng6	Qg5
18.	Ne4	Qxg2
19.	O-O-O	Bxg6
20.	hxg6	Qxg6
21.	Rdg1	Qf5
22.	Rxh6	Qf4+
23.	Qd2	Qxe4
24.	Rhg6	Qh4
25.	Rxg7+	Kh8
26.	Rg7g4	Qh7
27.	Qg5	f6
28.	Qh4	Rd7
29.	Rg8+	Rxg8
30.	Rxg8#

Sunday, October 18, 2020

Black to play

Casual Game, https://itsyourturn.com
Chris Webber vs. John Coffey: Stay home as much as possible. Self quarantined


1
2
3
4
5
6
7
8

(black to move)

1.	e4	e6
2.	d4	d5
3.	e5	c5
4.	Nf3	cxd4
5.	Nxd4	Ne7
6.	Bb5+	Bd7
7.	O-O	Bxb5
8.	Nxb5	Nf5
9.	a4	Nc6
10.	Bf4	a6
11.	Nb5c3	g5
12.	Bg3	h5
13.	h3	g4
14.	a5	gxh3
15.	gxh3	Rg8
16.	Qxh5	Nxg3
17.	fxg3	Rxg3+
18.	Kh2	Rg6
19.	Nd2	Qc7
20.	Rae1	O-O-O
21.	Nf3	Bg7
22.	Rg1	Rh8
23.	Nxd5	exd5
24.	Qf5+	Kb8
25.	Rxg6	fxg6
26.	Qg5	Nxe5
27.	Nxe5	Rh5
28.	Qxg6	Bxe5+
29.	Kg2	Rh8
30.	c3	Qc8
31.	Qd3	Rg8+

Click here for a continuation!

Saturday, October 3, 2020

White to play

Live Chess, Chess.com
Analysis of john2001plus (1935) vs. Gusev (1791)


8
7
6
5
4
3
2
1

(white to move)

1.	e4	c5
2.	Nf3	e6
3.	c3	d5
4.	e5	Nc6
5.	d4	b6
6.	Bd3	cxd4
7.	cxd4	Bb4+
8.	Nc3	Nge7
9.	O-O	h6
10.	Ne2	Ng6
11.	Qa4	Bd7
12.	Bb5	Nge7
13.	a3	Ba5
14.	b4

Saturday, August 15, 2020

Black to play and win

Live Chess, Chess.com
Analysis of john2001plus (1933) vs. soitgoes317 (1801)


1
2
3
4
5
6
7
8

-2

(black to move)

1.	Nf3	Nf6
2.	d4	g6
3.	c4	Bg7
4.	Nc3	d5
5.	Qb3	dxc4
6.	Qxc4	Be6
7.	Qb5+	Bd7
8.	Qxb7	Bc6
9.	Qb3	O-O
10.	e3	Bxf3
11.	gxf3	Nbd7
12.	e4	c5
13.	d5	Rb8
14.	Qc2	Nb6
15.	Be3	Qc7
16.	Nb5	Qb7
17.	Qxc5	Rfc8
18.	Qb4	Nbxd5
19.	exd5	Nxd5
20.	Qb3	Nxe3
21.	Qxe3	a6
22.	Nd4	Qxb2
23.	Rd1	Rd8
24.	Ne2	Qb4+
25.	Rd2	Qb1+
26.	Nc1	Qxc1+
27.	Ke2	Qc4+
28.	Rd3	Rb2+
29.	Ke1	Bc3+
30.	Rxc3	Rb1+

What is the strongest continuation for Black?

Live Chess, Chess.com
Gusev (1786) vs. john2001plus (1933)


1
2
3
4
5
6
7
8

(black to move)

1.	d4	Nf6
2.	c4	e6
3.	Nc3	Bb4
4.	e3	O-O
5.	Bd3	b6
6.	a3	Bxc3+
7.	bxc3	Bb7
8.	Nf3	d6
9.	O-O	Nbd7
10.	Nd2	e5
11.	d5	Nc5
12.	Bc2	e4
13.	Nb3	Qe7
14.	Nxc5	bxc5
15.	f3	Rfe8
16.	Bd2	Ba6
17.	Qe2	exf3
18.	gxf3	Nxd5
19.	Kh1	Nxe3
20.	Rae1	Nxf1
21.	Qxe7	Rxe7
22.	Rxe7	Nxd2

Friday, July 10, 2020

White to play for Mate.

Live Chess, Chess.com
Analysis of john2001plus (1900) vs. Gusev (1820)


8
7
6
5
4
3
2
1

(white to move)

1.	Nf3	Nf6
2.	d4	c6
3.	c4	d5
4.	e3	e6
5.	Nc3	Nbd7
6.	Bd3	dxc4
7.	Bxc4	b5
8.	Bd3	a6
9.	e4	c5
10.	e5	cxd4
11.	exf6	dxc3
12.	Be4	Rb8
13.	O-O	cxb2
14.	Bxb2	gxf6
15.	Bc6	Be7
16.	Rc1	O-O
17.	Qc2	f5
18.	Rfd1	f6
19.	Nd4	Rf7
20.	Nxe6	Qe8
21.	Nc7	Qd8
22.	Bd5	Bb7
23.	Bxf7+	Kxf7
24.	Qb3+	Kg6
25.	Qg3+	Kf7
26.	Qb3+	Kg6
27.	Qe6	Bc8
28.	Nd5	Bc5
29.	Rxc5	Nxc5
30.	Ne7+	Kg7
31.	Nxf5+	Kg6
32.	Ne7+	Kh5
33.	Rxd8	Nxe6
34.	Rxc8	Rb7
35.	Bxf6	Rd7
36.	h3	Rd1+
37.	Kh2	Rd2
38.	Rg8	Rxf2
39.	Nf5	b4
40.	Kg1	Rxf5
41.	g4+	Kh6
42.	gxf5	Nf4
43.	Bg5+	Kh5
44.	Bxf4	Kh4
45.	Kg2	a5
46.	Rg4+	Kh5
47.	Kg3	a4
48.	Rh4#

White to play and win

Live Chess, Chess.com
john2001plus (1914) vs. Gusev (1811)


8
7
6
5
4
3
2
1

-3

(white to move)

1.	Nf3	b5
2.	e4	a6
3.	d4	d5
4.	exd5	Nf6
5.	Nc3	Bb7
6.	Bd3	Nxd5
7.	Nxd5	Bxd5
8.	O-O	e6
9.	Ne5	c5
10.	c4	bxc4
11.	Qa4+	Nd7
12.	Bxc4	Bxc4
13.	Nxc4	Be7
14.	dxc5	Bxc5
15.	Be3	Bxe3
16.	Nd6+	Ke7
17.	fxe3	Kxd6
18.	Qa3+	Ke5
19.	Rad1	Qf6
20.	Qc3+	Ke4
21.	Qd3+	Ke5
22.	Qd4#

What is the best continuation for White?

Live Chess, Chess.com
Analysis of john2001plus (1887) vs. soitgoes317 (1765)


8
7
6
5
4
3
2
1

(white to move)

1.	Nf3	Nf6
2.	d4	g6
3.	c4	Bg7
4.	Nc3	d5
5.	Bg5	Ne4
6.	cxd5	Nxg5
7.	Nxg5	O-O
8.	e4	e6
9.	h4	exd5
10.	exd5	Re8+
11.	Be2	Bg4
12.	f3	Bc8
13.	Qb3	h6
14.	Nge4	Bxd4
15.	O-O-O	Bg7
16.	Bb5	Nd7
17.	d6	c6
18.	Bc4	Ne5
19.	h5	Nxc4
20.	Qxc4	g5
21.	d7	Bxd7
22.	Nd6	Be6
23.	Qc5	Qf6
24.	Nxe8	Rxe8
25.	Qxa7	Qe5
26.	Qf2	Bf5
27.	Rhe1	Qf4+
28.	Qd2	Rxe1
29.	Rxe1	Qh4
30.	Ne4	Be5
31.	Kb1	Qxh5
32.	g4	Bxe4+
33.	Rxe4	Qh1+
34.	Re1	Qxf3
35.	Rxe5	Qxg4
36.	Re8+	Kg7
37.	Qe2	Qxe2
38.	Rxe2	Kf6
39.	Rf2+	Kg6
40.	Rd2	h5
41.	Kc2	Kf5
42.	Kd3	Kg4
43.	Rg2+	Kh4
44.	Rf2	Kg3
45.	Rxf7	h4
46.	Rxb7	h3
47.	a4	g4
48.	a5	h2
49.	Rh7	Kg2
50.	a6	h1=Q
51.	Rxh1	Kxh1
52.	a7	g3
53.	a8=Q	g2
54.	Qh8+	Kg1
55.	Ke3	Kf1
56.	Qf6+	Kg1
57.	Qh4

Black to play and win

Live Chess, Chess.com
Analysis of john2001plus (1887) vs. soitgoes317 (1765)


1
2
3
4
5
6
7
8

-3

(black to move)

1.	Nf3	Nf6
2.	d4	g6
3.	c4	Bg7
4.	Nc3	d5
5.	Bg5	Ne4
6.	cxd5	Nxg5
7.	Nxg5	O-O
8.	e4	e6
9.	h4	exd5
10.	exd5	Re8+
11.	Be2	Bg4
12.	f3	Bc8
13.	Qb3	h6
14.	Nge4	Bxd4
15.	O-O-O	Bg7
16.	Bb5	Nd7
17.	d6	c6
18.	Bc4	Ne5
19.	h5	Nxc4
20.	Qxc4	g5
21.	d7	Bxd7
22.	Nd6	Be6
23.	Qc5	Qf6
24.	Nxe8	Rxe8
25.	Qxa7	Qe5
26.	Qf2	Bf5
27.	Rhe1	Qf4+
28.	Qd2	Rxe1
29.	Rxe1	Qh4
30.	Ne4	Be5
31.	Kb1	Qxh5
32.	g4	Bxe4+
33.	Rxe4	Qh1+
34.	Re1	Qxf3
35.	Rxe5	Qxg4
36.	Re8+	Kg7
37.	Qe2	Qxe2
38.	Rxe2	Kf6
39.	Rf2+	Kg6
40.	Rd2	h5
41.	Rd7	g4
42.	Rxb7	g3
43.	Rb8	h4
44.	Rg8+	Kf5
45.	Rg7	Kf4
46.	Rxf7+	Ke3
47.	Rg7	Kf3
48.	a4	g2
49.	Ka2	h3
50.	Rf7+	Ke4
51.	Rg7	h2

Friday, July 3, 2020

What is the strongest continuation for White?

Live Chess, Chess.com
Analysis of john2001plus (1962) vs. soitgoes317 (1732)


8
7
6
5
4
3
2
1

(white to move)

1.	Nf3	Nf6
2.	g3	g6
3.	Bg2	Bg7
4.	O-O	O-O
5.	c4	c6
6.	d4	d5
7.	Nc3	Na6
8.	Bf4	dxc4
9.	Ne5	Nh5
10.	Nxc4	Nxf4
11.	gxf4	Be6
12.	Ne5	Nb4
13.	Qa4	Nd5
14.	e3	Nxc3
15.	bxc3	Bd5
16.	Rab1	Bxg2
17.	Kxg2	c5
18.	Nd7	Qc8
19.	dxc5	Rd8
20.	Rfd1

Wednesday, July 1, 2020

Black to play

Live Chess, Chess.com
Analysis of aherring74 (1905) vs. john2001plus (1863)


1
2
3
4
5
6
7
8

-4

(black to move)

1.	d4	Nf6
2.	Nc3	d5
3.	Bf4	a6
4.	e3	c5
5.	dxc5	Nc6
6.	a3	e5
7.	Bg5	Be6
8.	b4	Be7
9.	Nf3	O-O
10.	Be2	b6
11.	cxb6	Qxb6
12.	O-O	Rfd8
13.	Na4	Qc7
14.	Qc1	h6
15.	Bh4	g5
16.	Bg3	Bd6
17.	c4	e4
18.	Bxd6	Qxd6
19.	c5	Qc7
20.	Nd4	Ng4
21.	f4	exf3 e.p.
22.	Nxf3	d4
23.	g3	Nxe3
24.	Nxd4	Nxd4
25.	Qxe3	Nc2
26.	Qf3	Nxa1
27.	Rxa1	Qe5
28.	Rf1	Rd2
29.	Qxa8+	Kg7
30.	Bf3	Qd4+
31.	Kh1	Bh3
32.	Rg1	g4
33.	Bg2	Rd1
34.	Rf1	Rxf1+
35.	Bxf1	Qf2
36.	Qxa6	Bxf1
37.	Qb7	Bh3
38.	Qe4	Qf1#

What is the strongest continuation for White?

Casual 5+2, Greenwood Chess Club
Analysis of Coffey, John (2016) vs. Gusev, Dmitri (1865)


8
7
6
5
4
3
2
1

-2

(white to move)

1.	Nf3	Nc6
2.	d4	e6
3.	c4	d6
4.	Nc3	Nf6
5.	e4	e5
6.	Bg5	h6
7.	Bxf6	gxf6
8.	Nd5	f5
9.	Bd3	fxe4
10.	Bxe4	f5
11.	Nxe5	Nxe5
12.	dxe5	fxe4
13.	Qh5+	Kd7
14.	Qg4+	Kc6
15.	Qxe4	dxe5
16.	O-O-O	Qg5+
17.	f4	exf4
18.	Nxf4+	Kb6
19.	h4	Qf5
20.	Nd5+	Ka6
21.	Nxc7+	Kb6
22.	Nxa8+	Ka6
23.	Nc7+	Kb6
24.	Nd5+	Ka6
25.	Qd4	Bd6
26.	c5	Bf4+
27.	Nxf4

Friday, June 26, 2020

What is the best continuation for Black?

Live Chess, Chess.com
soitgoes317 (1759) vs. john2001plus (1934)


1
2
3
4
5
6
7
8

-3

(black to move)

1.	e4	c5
2.	Nf3	Nc6
3.	d4	cxd4
4.	Nxd4	g6
5.	Nc3	Bg7
6.	Be3	Nf6
7.	Be2	O-O
8.	Qd2	d5
9.	Nxc6	bxc6
10.	e5	Ne4
11.	Nxe4	dxe4
12.	Bf4	Qxd2+
13.	Kxd2	Rb8
14.	b3	Be6
15.	Rad1	Rfd8+
16.	Kc1	Rd5
17.	Bc4	Bxe5
18.	Bxe5	Rxe5
19.	Bxe6	Rxe6
20.	Rhe1	Rb5
21.	Rd7	Rf5
22.	Re2	a5
23.	a4	Rd5
24.	Rc7	f5
25.	f3	exf3
26.	Rxe6	fxg2
27.	Re1	f4
28.	Kb2	e6
29.	Rxe6	Kf8
30.	Ree7	g1=Q
31.	Rf7+	Ke8
32.	Rce7+	Kd8
33.	Rb7	Qd4+
34.	Kb1	Rd7

Wednesday, June 24, 2020

White to play and win

Live Chess, Chess.com
Gusev (1798) vs. john2001plus (1922)


8
7
6
5
4
3
2
1

(white to move)

1.	d4	Nf6
2.	c4	e6
3.	Nf3	d5
4.	g3	c5
5.	Bg2	cxd4
6.	cxd5	Qxd5
7.	Qxd4	Nc6
8.	Qxd5	Nxd5
9.	O-O	Bc5
10.	a3	a5
11.	Nbd2	a4
12.	Ne4	Be7
13.	Bg5	f6
14.	Bd2	Kf7
15.	Rac1	Na5
16.	Bxa5	Rxa5
17.	Nc3	Bd7
18.	Nxd5	Rxd5
19.	Rfd1	Bb5
20.	Rxd5	exd5
21.	Nd4	Bc4
22.	e4	Rd8
23.	Nf5	b5
24.	exd5	Bxd5
25.	Rc7	Ke6
26.	Nxe7	Bxg2
27.	Kxg2	Kd6
28.	Ra7	g6
29.	Kf3	Re8
30.	Ke4	Rxe7+
31.	Rxe7	Kxe7
32.	Kd5

Click here for 25... Bxg2.

Black to play and win

Live Chess, Chess.com
john2001plus (1911) vs. Gusev (1809)


1
2
3
4
5
6
7
8

(black to move)

1.	Nf3	Nf6
2.	d4	e6
3.	c4	b6
4.	g3	Bb7
5.	Bg2	Bb4+
6.	Nbd2	O-O
7.	O-O	c5
8.	a3	Bxd2
9.	Bxd2	cxd4
10.	Nxd4	Bxg2
11.	Kxg2	Nc6
12.	Bc3	Nxd4
13.	Qxd4	d5
14.	Rfd1	dxc4
15.	Qxc4	Qe7
16.	Bb4	Qb7+
17.	f3	Rfd8
18.	Rxd8+	Rxd8
19.	Rc1	Nd5
20.	Qd4	g5
21.	Qe5	h6
22.	Rd1	Ne3+
23.	Qxe3	Rxd1
24.	Bc3	Qe7
25.	Qe5	f6
26.	Qxf6	Qxf6
27.	Bxf6	Kf7
28.	Bc3	a6
29.	Kf2	Kg6
30.	e4	Rc1
31.	h3	h5
32.	g4	hxg4
33.	hxg4	b5
34.	Ke3	Rh1
35.	Kd4	Kf6
36.	e5+	Ke7
37.	Ke4	Rh2
38.	f4	gxf4
39.	Kxf4	Rf2+
40.	Kg3	Rf1
41.	Kg2	Rc1
42.	Kg3	Kf7
43.	Kf4	Kg6
44.	Ke4	Rg1
45.	Kd4	Rxg4+
46.	Kc5	Kf5
47.	Kb6	Ra4
48.	Bb4	Kxe5
49.	b3	Rxb4
50.	axb4	Kd4
51.	Kxa6	e5
52.	Kxb5	e4
53.	Kc6	e3
54.	b5	e2
55.	b6	e1=Q
56.	b7	Qe8+
57.	Kc7	Qe5+
58.	Kc8	Qc5+
59.	Kd7	Qb6
60.	Kc8	Qc6+
61.	Kb8	Kc5
62.	Ka7	Qc7
63.	Ka8	Qa5+
64.	Kb8	Kc6
65.	b4	Qc7+

Saturday, June 20, 2020

What is the strongest continuation for Black?

Live Chess, Chess.com
Analysis of soitgoes317 (1763) vs. john2001plus (1892)


1
2
3
4
5
6
7
8

(black to move)

1.	e4	c5
2.	Nf3	Nc6
3.	d4	cxd4
4.	Nxd4	g6
5.	Be3	Bg7
6.	Nc3	Nf6
7.	Qd2	Ng4
8.	Bc4	Nxe3
9.	fxe3	Ne5
10.	Bb3	O-O
11.	O-O-O	a5
12.	a4	d6
13.	h4	h5
14.	Nf3	Ng4
15.	Ng5	Bh6
16.	Kb1	Kg7
17.	Qd4+	e5
18.	Qxd6	Bxg5
19.	hxg5	Qxg5
20.	Nd5	Nf2
21.	Rdf1	Nxh1
22.	Rxh1	Be6
23.	Nc7	Bxb3
24.	Nxa8	Bxc2+
25.	Ka2	Rxa8
26.	Qc7	Qxg2
27.	Qxe5+	Kh7
28.	Rc1	Qxe4

Tuesday, June 16, 2020

What is the strongest continuation for Black?

Live Chess, Chess.com
Analysis of soitgoes317 (1737) vs. john2001plus (1918)


1
2
3
4
5
6
7
8

(black to move)

1.	e4	e6
2.	d4	d5
3.	Nc3	Nf6
4.	Bg5	dxe4
5.	Bxf6	gxf6
6.	Nxe4	f5
7.	Ng3	c5
8.	d5	Qxd5
9.	Qxd5	exd5
10.	O-O-O	Bh6+
11.	Kb1	Be6
12.	Bd3	Nc6
13.	Nxf5	Bf4
14.	Nh3	Bc7
15.	Ng7+	Kd7
16.	Nxe6	fxe6
17.	Ng5	h6
18.	Nf7	Rhf8
19.	Nxh6	Rxf2
20.	Be4	Ne5
21.	b3	Rh8
22.	Nf5	exf5
23.	Bxd5	b5

Click here for 20... Rh8? 21. Ng4 Rf4.

Friday, June 12, 2020

White to play

Live Chess, Chess.com
john2001plus (1942) vs. aherring74 (1922)


8
7
6
5
4
3
2
1

(white to move)

1.	d4	f5
2.	e4	fxe4
3.	Nc3	Nf6
4.	Bg5	Nc6
5.	d5	Ne5
6.	Bxf6	exf6
7.	f4	exf3 e.p.
8.	Nxf3	Bb4
9.	Nxe5	Qe7
10.	Qe2	Qxe5
11.	O-O-O	O-O
12.	Qxe5	fxe5
13.	Ne4	d6
14.	c3	Ba5
15.	Bd3	Bb6
16.	Rhf1	Bd7
17.	Kc2	h6
18.	Ng3	Rxf1
19.	Rxf1	Rf8
20.	Bh7+	Kxh7
21.	Rxf8	Kg6
22.	Kd3	Bg1
23.	h3	Bh2
24.	Ne4	h5
25.	Rb8	b5
26.	Rb7	Bg1
27.	Rxc7	Bf5
28.	g4	hxg4
29.	hxg4	Bxe4+
30.	Kxe4	Bc5
31.	b4

What is the best continuation for Black?

Live Chess, Chess.com
soitgoes317 (1755) vs. john2001plus (1876)


1
2
3
4
5
6
7
8

(black to move)

1.	e4	c5
2.	Nf3	Nc6
3.	d4	cxd4
4.	Nxd4	g6
5.	Nc3	Bg7
6.	Be3	Nf6
7.	Nxc6	bxc6
8.	e5	Ng8
9.	f4	d6
10.	Qf3	dxe5
11.	Qxc6+	Bd7
12.	Qd5	exf4
13.	Bc4	e6
14.	Qf3	fxe3
15.	O-O	Nf6
16.	Ne4	e2
17.	Bxe2	Rc8
18.	Nxf6+	Bxf6
19.	Qxf6	Qxf6
20.	Rxf6	Rxc2

White to play

Live Chess, Chess.com
Analysis of john2001plus (1855) vs. soitgoes317 (1762)


8
7
6
5
4
3
2
1

(white to move)

1.	Nf3	Nf6
2.	d4	g6
3.	g3	Bg7
4.	Bg2	d6
5.	O-O	O-O
6.	c4	Nbd7
7.	Nc3	Rb8
8.	e4	e5
9.	dxe5	Nxe5
10.	Nxe5	dxe5
11.	Be3	c6
12.	Bxa7	Ra8
13.	Bc5	Re8
14.	a4	b6
15.	Qxd8	Rxd8
16.	Bxb6	Rd2
17.	Rfd1	Rxd1+
18.	Rxd1	Ba6
19.	b3	Rc8
20.	Bh3	Rb8
21.	a5	Bf8
22.	Na4	Nxe4
23.	f3	Ng5
24.	Bg2	Ne6
25.	Rd7	Bb4
26.	Bh3	Nd4
27.	Bxd4	exd4
28.	Rxd4	Bxa5
29.	Rd3	Bb4
30.	Bd7	c5
31.	Bc6	Bb7
32.	Bxb7	Rxb7
33.	Rd8+	Kg7
34.	Rc8	Ba5
35.	Nxc5	Bb6
36.	Kg2	Bxc5
37.	Rxc5	Rxb3
38.	f4	Rc3
39.	Rc6	Kf8
40.	h4	h5
41.	Rc7	f6
42.	c5	Ke8
43.	c6	Kd8
44.	Rd7+	Ke8
45.	Rc7	Kd8
46.	Rg7	Rxc6
47.	Rxg6	Ke8
48.	Rh6	Kf7
49.	Rxh5	Kg6
50.	Rh8	Kf5
51.	Kh3	Rc1
52.	h5	Re1
53.	h6	Kg6
54.	g4	Rh1+
55.	Kg2	Rxh6
56.	Rxh6+	Kxh6
57.	Kf3	Kg6
58.	Ke3	Kf7
59.	Kd4	Ke6
60.	Kc5	Kd7
61.	Kd5	Ke7
62.	Kc6	Ke6
63.	f5+	Ke5
64.	Kd7	Kf4
65.	Ke6	Kg5
66.	Kf7	Kxg4
67.	Kxf6

Click here for 57. f5.
Click here for 58. Ke4.

Friday, June 5, 2020

Black to play

Live Chess, Chess.com
Analysis of aherring74 (1957) vs. john2001plus (1844)


1
2
3
4
5
6
7
8

(black to move)

1.	e4	e6
2.	d4	d5
3.	Nc3	Nf6
4.	e5	Nfd7
5.	Nce2	c5
6.	c3	Nc6
7.	f4	Be7
8.	Nf3	O-O
9.	Be3	f6
10.	Qd2	fxe5
11.	fxe5	Bh4+
12.	Nxh4	Qxh4+
13.	g3	Qe4
14.	Rg1	cxd4
15.	cxd4	Rf3
16.	Bf2	Ndxe5
17.	dxe5	Nxe5
18.	Qd4	Nd3+
19.	Kd2	Nxf2
20.	Ke1	Re3
21.	Qxe4	Nxe4

Saturday, May 30, 2020

White to play.

Casual Game, https://itsyourturn.com
John Coffey: vs. jlaurie


8
7
6
5
4
3
2
1

(white to move)

1.	Nf3	e6
2.	d4	Nc6
3.	e4	Bb4+
4.	c3	Ba5
5.	a4	a6
6.	Nbd2	Bb6
7.	Bd3	Nge7
8.	O-O	O-O
9.	e5	d6
10.	Bxh7+	Kxh7
11.	Ng5+	Kg8
12.	Qh5	Re8
13.	Qxf7+	Kh8
14.	Nde4	Nf5
15.	Qh5+	Kg8
16.	Nf6+	gxf6
17.	Qf7+	Kh8
18.	Qh7#

Friday, May 22, 2020

Black to play for a slight advantage

Live Chess, Chess.com
Analysis of soitgoes317 (1727) vs. john2001plus (1909)


1
2
3
4
5
6
7
8

(black to move)

1.	e4	c5
2.	Nf3	Nc6
3.	d4	cxd4
4.	Nxd4	g6
5.	Nc3	Bg7
6.	Be3	Nf6
7.	Bc4	O-O
8.	f3	Qb6
9.	Bb3	Nxe4
10.	Nxe4	Bxd4
11.	Bxd4	Qxd4
12.	Qe2	d6
13.	Rd1	Qxb2
14.	Ng5	Qc3+
15.	Rd2	Bf5
16.	O-O	Qc5+
17.	Kh1	Bxc2
18.	Bxf7+	Kh8
19.	Ne6	Qf5
20.	Nxf8	Qxf7
21.	Nxg6+	hxg6
22.	Rxc2	Nd4
23.	Qe4	Nxc2
24.	Qxc2	e5
25.	Rd1	Rd8
26.	Qe4	Kg7
27.	a4	Qc7
28.	Rb1	b6
29.	a5	d5
30.	Qh4	Rh8
31.	Qa4	e4
32.	g3	exf3
33.	Qd4+	Kg8
34.	Qxd5+	Kg7
35.	Qxf3	Rh5
36.	Ra1	Rxa5
37.	Rxa5	Qc1+
38.	Kg2	Qd2+
39.	Kh1	Qxa5
40.	Qb7+	Kh6
41.	h4	Qe1+
42.	Kh2	Qf2+
43.	Kh3	a5

Click here for 36. axb6.

Sunday, May 17, 2020

Black to play

Casual Game, https://itsyourturn.com
Analysis of Odd Ball vs. John Coffey: Stay home as muc


1
2
3
4
5
6
7
8

-1

(black to move)

1.	b4	e5
2.	Bb2	Bxb4
3.	Bxe5	Nf6
4.	e3	O-O
5.	Nf3	Re8
6.	Bb2	d5
7.	c4	Bg4
8.	Be2	dxc4
9.	Bxc4	Qe7
10.	h3	Bh5
11.	O-O	c5
12.	g4	Bg6
13.	a3	Ba5
14.	d3	Nc6
15.	e4	Rad8
16.	Nbd2	a6
17.	a4	Nd7
18.	Bd5	Nde5
19.	Bxe5	Nxe5
20.	Nxe5	Qxe5
21.	f4	Qd4+
22.	Kg2	Qxd3
23.	Rf3	Rxd5
24.	exd5	Re2+
25.	Rf2	Rxd2
26.	Qe1	Be4+
27.	Kh2	Qd4
28.	Re2	Qxa1
29.	Qxa1	Rxe2+
30.	Kg1	Re1+

Black to play

Casual Game, https://itsyourturn.com
Analysis of Odd Ball vs. John Coffey: Stay home as muc


1
2
3
4
5
6
7
8

(black to move)

1.	b4	e5
2.	Bb2	Bxb4
3.	Bxe5	Nf6
4.	e3	O-O
5.	Nf3	Re8
6.	Bb2	d5
7.	c4	Bg4
8.	Be2	dxc4
9.	Bxc4	Qe7
10.	h3	Bh5
11.	O-O	c5
12.	g4	Bg6
13.	a3	Ba5
14.	d3	Nc6
15.	e4	Rad8
16.	Nbd2	a6
17.	a4	Nd7
18.	Bd5	Nde5
19.	Bxe5	Nxe5
20.	Nxe5	Qxe5
21.	f4	Qd4+
22.	Kg2	Qxd3
23.	Rf3	Rxd5
24.	exd5	Re2+
25.	Kg3	Qxd2
26.	Qxd2	Rxd2
27.	f5	Bc7+
28.	Kh4	Rg2
29.	fxg6	Bd8+
30.	g5	Bxg5+
31.	Kh5	hxg6#

Click here for 29. g5.
Click here for 29. Raa3.

Tuesday, May 5, 2020

White to play for a winning advantage

Casual Game, https://itsyourturn.com
John Coffey: Stay home as much as possible. Self quarantined vs. Steven Loh


8
7
6
5
4
3
2
1

(white to move)

1.	Nf3	d5
2.	d4	Nf6
3.	c4	e6
4.	Nc3	Nbd7
5.	cxd5	exd5
6.	Bg5	Be7
7.	e3	O-O
8.	Bd3	h6
9.	Bf4	Nb6
10.	O-O	Bd6
11.	Ne5	Be6
12.	Bg3	a6
13.	f4	Rc8
14.	Qf3	Bxe5
15.	fxe5	Nh7
16.	Qh5	Qg5
17.	Qe2	f5
18.	Rf3	c5
19.	Raf1	cxd4
20.	exd4	Qh5
21.	h4	f4
22.	Bxf4	Qxh4
23.	Qc2	Ng5
24.	Bxg5	hxg5
25.	Rxf8+	Rxf8
26.	Bh7+	Qxh7
27.	Rxf8+	Kxf8
28.	Qxh7

Friday, April 10, 2020

What is the strongest continuation for White?

Live Chess, Chess.com
Analysis of aherring74 (2029) vs. john2001plus (1963)


1
2
3
4
5
6
7
8

(black to move)

1.	d4	Nf6
2.	Nc3	d5
3.	Bf4	e6
4.	e3	Bd6
5.	Bd3	O-O
6.	Nf3	c5
7.	dxc5	Bxc5
8.	O-O	Nc6
9.	a3	a5
10.	e4	dxe4
11.	Nxe4	Nxe4
12.	Bxe4	Qb6
13.	Bxh7+	Kxh7
14.	Ng5+	Kg6
15.	Qd3+	f5
16.	Qh3	e5
17.	Qh7+	Kf6
18.	Bg3	Nd4
19.	Rae1	Nc6
20.	Qh4	f4
21.	Nh7+	Kf7
22.	Nxf8	Bxf8
23.	Qh5+	Kg8
24.	Bh4	Be6
25.	Qg6	Bf7
26.	Qd3	Qxb2
27.	g3	Qxa3
28.	Qxa3	Bxa3
29.	gxf4	exf4
30.	Bg5	Nd4
31.	Kg2	Ne6
32.	Bh4	g5
33.	Rxe6	Bxe6
34.	Bxg5	Bd6
35.	Rd1	Be5
36.	Kf3	a4
37.	Ke4	Bg7
38.	Rg1	Kf7
39.	Be7	a3
40.	Bxa3	Ra4+
41.	Kf3	Bd5+
42.	Kg4	Rxa3

Tuesday, April 7, 2020

What is the best continuation for Black?

Live Chess, Chess.com
Analysis of CraigVanest (1106) vs. john2001plus (1913)


1
2
3
4
5
6
7
8

(black to move)

1.	c4	d5
2.	d4	e6
3.	e3	Nf6
4.	Nf3	c5
5.	Bd2	Nc6
6.	Be2	dxc4
7.	O-O	cxd4
8.	Bxc4	dxe3
9.	Bxe3	Qa5
10.	Nbd2	Be7
11.	a3	O-O
12.	Qc2	e5
13.	b4	Qc7
14.	b5	e4
15.	Nxe4	Nxe4
16.	Qxe4	Na5

Click here for 15. Ng5.
Click here for 15. Ne1.

Wednesday, April 1, 2020

Black to play for a winning advantage

Live Chess, Chess.com
Analysis of aherring74 (1936) vs. john2001plus (1883)


1
2
3
4
5
6
7
8

(black to move)

1.	d4	Nf6
2.	Nc3	d5
3.	Bf4	a6
4.	e3	e6
5.	Bd3	c5
6.	dxc5	Bxc5
7.	Nf3	Nc6
8.	O-O	Qe7
9.	Ne5	O-O
10.	e4	Qd6
11.	Nxc6	Qxf4
12.	Na5	Ng4
13.	g3	Nxf2
14.	gxf4	Nxd1+

White to play for a winning advantage

Live Chess, Chess.com
Analysis of john2001plus (1893) vs. aherring74 (1929)


8
7
6
5
4
3
2
1

(white to move)

1.	Nf3	f5
2.	e4	fxe4
3.	Ng5	Nc6
4.	d3	e3
5.	Bxe3	e5
6.	c4	Be7
7.	Nc3	Nf6
8.	Be2	O-O
9.	O-O	Nd4
10.	Bxd4	exd4
11.	Nce4	c6
12.	Nxf6+	Bxf6
13.	Ne4	Be5
14.	c5	d5
15.	cxd6 e.p.	Bxd6
16.	Nxd6	Qxd6
17.	Bf3	Be6
18.	Re1	Rf6
19.	Be4	Raf8
20.	f3	Rh6
21.	g3	Qe7
22.	Qa4	Qg5
23.	Qxd4	Qd2
24.	h4	g5
25.	Qe5	Bh3
26.	Re2	Qb4
27.	Qxg5+	Rg6
28.	Bxg6	Qd4+
29.	Kh2	hxg6
30.	Qxg6+

Click here for 25... b6.
Click here for 26... Qxe2.

Tuesday, March 31, 2020

Black to play

Live Chess, Chess.com
Analysis of spiritracker (1290) vs. john2001plus (1879)


1
2
3
4
5
6
7
8

(black to move)

1.	e4	e6
2.	d4	c5
3.	Nf3	cxd4
4.	Nxd4	Nf6
5.	e5	Nd5
6.	c4	Nb6
7.	Nc3	Nc6
8.	c5	Bxc5
9.	Ndb5	O-O
10.	Ne4	Bb4+
11.	Bd2	Bxd2+
12.	Qxd2	Nxe5
13.	Nbd6	Nd5
14.	Be2	Qb6
15.	O-O	f5
16.	Nxc8	Raxc8
17.	Qg5	fxe4
18.	Qxe5	Nf4
19.	Rae1	Rc1
20.	h3	Rxe1
21.	Rxe1	Nxh3+
22.	Kh2	Nf4

Monday, March 30, 2020

White to play

Casual Game, https://itsyourturn.com
John Coffey vs. Roy


8
7
6
5
4
3
2
1

(white to move)

1.	Nf3	d5
2.	d4	Nc6
3.	c4	Nf6
4.	cxd5	Qxd5
5.	Nc3	Qd8
6.	d5	Nb8
7.	Qb3	b6
8.	e4	Nbd7
9.	e5	Nc5
10.	Qd1	Nfe4
11.	Nxe4	Nxe4
12.	Qa4+	Bd7
13.	Qxe4	e6
14.	dxe6	Bxe6
15.	Bb5+	Bd7
16.	Bxd7+	Kxd7
17.	e6+	fxe6
18.	Ne5+	Kd6
19.	Qd4+

Friday, January 24, 2020

White to play

Western States Open, Reno, Neva
Woodbury, Alan E. (1925) vs. Class A Player (1860), 40/2


8
7
6
5
4
3
2
1

(white to move)

1.	e4	c5
2.	c3	e6
3.	d4	d5
4.	e5	Nc6
5.	Nf3	cxd4
6.	cxd4	Bb4+
7.	Bd2	Qb6
8.	Be2	Nxd4
9.	Nxd4	Qxd4
10.	Qa4+	Bd7
11.	Qxb4	Qxe5
12.	Nc3	d4
13.	Nb5	d3
14.	Nd6+	Qxd6
15.	Qxd6	dxe2
16.	Bb4	Kd8
17.	Qf8+	Kc7
18.	Rc1+	Bc6
19.	Qd6+	Kb6
20.	Qe5	a5
21.	Bc5+	Ka6
22.	Qc7	Kb5
23.	Qb6+

Sunday, January 12, 2020

White to play

Casual Game, https://itsyourturn.com
John Coffey vs. JAB


8
7
6
5
4
3
2
1

(white to move)

1.	Nf3	d5
2.	d4	Bf5
3.	c4	c6
4.	Nc3	e6
5.	Qb3	b6
6.	cxd5	exd5
7.	e4	dxe4
8.	Ne5	Qf6
9.	Bc4	Be6
10.	O-O	Qf5
11.	d5	cxd5
12.	Nxd5	Bd6
13.	g4	Qxe5
14.	Bf4	Qd4
15.	Bxd6	Bxg4
16.	Nc7+	Kd7
17.	Nxa8	Qxd6
18.	Rad1	Bxd1
19.	Rxd1	Qxd1+
20.	Qxd1+	Ke7
21.	Qd5	Nh6
22.	Qe5+	Kd7
23.	Qc7+	Ke8
24.	Bb5+

Click here for 21... Nd7.

Saturday, January 11, 2020

White to play and win

*** US Chess 15|10 Rapid, Chess.com
Analysis of john2001plus (1887) vs. tspaper (1485)


8
7
6
5
4
3
2
1

-5

(white to move)

1.	Nf3	c5
2.	e4	e6
3.	c3	a6
4.	d4	cxd4
5.	cxd4	d5
6.	e5	Nc6
7.	Nc3	Bd7
8.	Bd3	Nge7
9.	O-O	b5
10.	Be3	Nc8
11.	Rc1	Nb6
12.	Ng5	Be7
13.	Qh5	g6
14.	Qh6	Bf8
15.	Qh4	h6
16.	f4	Bg7
17.	Qf2	hxg5
18.	fxg5	O-O
19.	b3	Rc8
20.	Qh4	Nxe5
21.	dxe5	Bxe5
22.	Ne2	d4
23.	Bf4	Bg7
24.	Bd6	Re8
25.	Rxf7	Rxc1+
26.	Kf2	Kxf7
27.	Bxg6+	Kxg6
28.	Nf4+	Kf5
29.	g4+	Ke4
30.	Qh7#

CHECK!

Thursday, January 9, 2020

Black to play and win

*** US Chess 3|2 Blitz, Chess.com
Analysis of GHAAngel (2322) vs. john2001plus (1830)


1
2
3
4
5
6
7
8

(black to move)

1.	d4	Nf6
2.	c4	e6
3.	d5	Bc5
4.	Nc3	O-O
5.	Nf3	b5
6.	e4	exd5
7.	cxd5	b4
8.	Na4	Nxe4
9.	Bd3	Nxf2
10.	Qc2	Re8+
11.	Kf1	Nxh1
12.	Nxc5	d6
13.	Nb3	Ba6
14.	Bg5	f6
15.	Bh4	g5
16.	Be1	Qe7
17.	Bd2	Qe4
18.	Nc1	g4
19.	Kg1	gxf3
20.	h3	Qd4+
21.	Kxh1	fxg2+
22.	Kxg2	Kh8
23.	Bxa6	Rg8+
24.	Kf3	Nd7
25.	Nb3	Qxd5+
26.	Ke3	Rae8+
27.	Kf4	Qe5+
28.	Kf3	Qg3#

Black to play and win

*** US Chess 3|2 Blitz, Chess.com
Analysis of GHAAngel (2322) vs. john2001plus (1830)


1
2
3
4
5
6
7
8

(black to move)

1.	d4	Nf6
2.	c4	e6
3.	d5	Bc5
4.	Nc3	O-O
5.	Nf3	b5
6.	e4	exd5
7.	cxd5	b4
8.	Na4	Nxe4
9.	Bd3	Nxf2
10.	Qc2	Re8+
11.	Kf1	Nxh1
12.	Nxc5	d6
13.	Nb3	Ba6
14.	Bg5	f6
15.	Bh4	g5
16.	Be1	Qe7
17.	Bd2	Qe4
18.	Nc1	g4
19.	Kg1	gxf3
20.	h3	Qd4+
21.	Kxh1	fxg2+
22.	Kxg2	Kh8
23.	Bxa6	Rg8+
24.	Kf3	Nd7
25.	Nb3	Qxd5+
26.	Ke2	Rae8+
27.	Be3	Rxe3+
28.	Kxe3	Rg3+
29.	Ke2	Qf3+
30.	Ke1	Qe3+

Options:
	- allow legal moves only;
	- use short algebraic notation;
movement/animation speed: (slow) (fast)
	- show legal moves;

Pawn promotion:
	- Queen
	- Rook
	- Bishop
	- Knight

Options:
	- allow legal moves only;
	- use short algebraic notation;
movement/animation speed: (slow) (fast)
	- show legal moves;

Pawn promotion:
	- Queen
	- Rook
	- Bishop
	- Knight

Options:
	- allow legal moves only;
	- use short algebraic notation;
movement/animation speed: (slow) (fast)
	- show legal moves;