Chess Analysis Blog: March 2020

Tuesday, March 31, 2020

Black to play for a strong advantage

Live Chess, Chess.com
Analysis of aherring74 (1929) vs. john2001plus (1878)


1
2
3
4
5
6
7
8

(black to move)

1.	d4	Nf6
2.	Nf3	d5
3.	b3	c5
4.	e3	cxd4
5.	exd4	Nc6
6.	Bd3	Bg4
7.	Bb2	e6
8.	Nbd2	Bd6
9.	a3	a5
10.	h3	Bh5
11.	Qe2	O-O
12.	g4	Bg6
13.	Ne5	Bxd3
14.	Qxd3	Nd7
15.	Ndf3	f6
16.	Nxd7	Qxd7
17.	c4	a4
18.	c5	Bf4

Black to play for a strong advantage.

Live Chess, Chess.com
Analysis of aherring74 (1929) vs. john2001plus (1878)


1
2
3
4
5
6
7
8

(black to move)

1.	d4	Nf6
2.	Nf3	d5
3.	b3	c5
4.	e3	cxd4
5.	exd4	Nc6
6.	Bd3	Bg4
7.	Bb2	e6
8.	Nbd2	Bd6
9.	a3	a5
10.	h3	Bh5
11.	Qe2	O-O
12.	g4	Bg6
13.	Ne5	Bxd3
14.	Qxd3	Bxe5
15.	dxe5	Nd7
16.	Qg3	Qc7
17.	f4	Rac8
18.	Nf3	Nc5
19.	O-O	Ne4
20.	Qe1	Qb6+
21.	Kg2	a4
22.	b4	Ne7
23.	Rc1	Rc4
24.	Nd2	Nxd2
25.	Qxd2	Rfc8
26.	Rfd1	Qc6
27.	c3	Ng6
28.	f5	exf5
29.	gxf5	Nf4+
30.	Kf1	Qh6
31.	Qe3	Re4
32.	Qf3	Nxh3

Black to play for equality

Live Chess, Chess.com
Analysis of aherring74 (1929) vs. john2001plus (1878)


1
2
3
4
5
6
7
8

-2

(black to move)

1.	d4	Nf6
2.	Nf3	d5
3.	b3	c5
4.	e3	cxd4
5.	exd4	Nc6
6.	Bd3	Bg4
7.	Bb2	e6
8.	Nbd2	Bd6
9.	a3	a5
10.	h3	Bh5
11.	Qe2	O-O
12.	g4	Bg6
13.	Ne5	Bxd3
14.	Qxd3	Bxe5
15.	dxe5	Nd7
16.	Qg3	Qc7
17.	f4	Rac8
18.	Nf3	Nc5
19.	O-O	Ne4
20.	Qe1	Qb6+
21.	Kg2	a4
22.	b4	Na5
23.	Bd4	Rxc2+
24.	Kh1	Qc7
25.	bxa5	Qc4
26.	Kg1	Nd2
27.	Nxd2	Qxd4+
28.	Qf2	Qxd2

Black to play for equality

Live Chess, Chess.com
Analysis of aherring74 (1929) vs. john2001plus (1878)


1
2
3
4
5
6
7
8

-2

(black to move)

1.	d4	Nf6
2.	Nf3	d5
3.	b3	c5
4.	e3	cxd4
5.	exd4	Nc6
6.	Bd3	Bg4
7.	Bb2	e6
8.	Nbd2	Bd6
9.	a3	a5
10.	h3	Bh5
11.	Qe2	O-O
12.	g4	Bg6
13.	Ne5	Bxd3
14.	Qxd3	Bxe5
15.	dxe5	Nd7
16.	Qg3	Qc7
17.	f4	Rac8
18.	Nf3	Nc5
19.	O-O	Ne4
20.	Qe1	Qb6+
21.	Kg2	a4
22.	b4	Na5
23.	Bd4	Rxc2+
24.	Kh1	Qc7
25.	bxa5	Qc4
26.	Rg1	Qb3
27.	Rf1	Qc4
28.	Rg1	Qb3

Click here for 26. Kg1.

What is the strongest continuation for Black?

Live Chess, Chess.com
Analysis of aherring74 (1929) vs. john2001plus (1878)


1
2
3
4
5
6
7
8

-2

(black to move)

1.	d4	Nf6
2.	Nf3	d5
3.	b3	c5
4.	e3	cxd4
5.	exd4	Nc6
6.	Bd3	Bg4
7.	Bb2	e6
8.	Nbd2	Bd6
9.	a3	a5
10.	h3	Bh5
11.	Qe2	O-O
12.	g4	Bg6
13.	Ne5	Bxd3
14.	Qxd3	Bxe5
15.	dxe5	Nd7
16.	Qg3	Qc7
17.	f4	Rac8
18.	Nf3	Nc5
19.	O-O	Ne4
20.	Qe1	Qb6+
21.	Kg2	a4
22.	b4	Na5
23.	Bd4	Rxc2+
24.	Kh1	Qc7
25.	bxa5	Ra8
26.	Bb6	Qc3
27.	Qxc3	Ng3+
28.	Kg1	Rxc3
29.	Rf2	Ne4
30.	Rff1	Ng3
31.	Rf2	Ne4
32.	f5	Nxf2

Black to play for equality

Live Chess, Chess.com
Analysis of aherring74 (1929) vs. john2001plus (1878)


1
2
3
4
5
6
7
8

-2

(black to move)

1.	d4	Nf6
2.	Nf3	d5
3.	b3	c5
4.	e3	cxd4
5.	exd4	Nc6
6.	Bd3	Bg4
7.	Bb2	e6
8.	Nbd2	Bd6
9.	a3	a5
10.	h3	Bh5
11.	Qe2	O-O
12.	g4	Bg6
13.	Ne5	Bxd3
14.	Qxd3	Bxe5
15.	dxe5	Nd7
16.	Qg3	Qc7
17.	f4	Rac8
18.	Nf3	Nc5
19.	O-O	Ne4
20.	Qe1	Qb6+
21.	Kg2	a4
22.	b4	Na5
23.	Bd4	Rxc2+
24.	Kh1	Qc7
25.	bxa5	Ra8
26.	Bb6	Qc4
27.	Nd4	Rd2
28.	Rf3	Rc8
29.	Qe3	h6
30.	f5	exf5
31.	gxf5	Rd3
32.	Qxd3	Nf2+
33.	Rxf2	Qxd3

What is the strongest continuation for Black?

Live Chess, Chess.com
Analysis of Brother_Lap (1624) vs. john2001plus (1889)


1
2
3
4
5
6
7
8

(black to move)

1.	e4	e6
2.	Bc4	d5
3.	exd5	exd5
4.	Bb3	Nf6
5.	d3	Bd6
6.	Bg5	h6
7.	Bxf6	Qxf6
8.	Nc3	c6
9.	Qf3	Nd7
10.	Qxf6	Nxf6
11.	f3	O-O
12.	Nge2	a5
13.	a3	b5
14.	O-O	Bb7
15.	Kh1	Rfe8
16.	Rfe1	a4
17.	Ba2	Bc8
18.	Kg1	Bd7
19.	d4	h5
20.	Ng3	g5
21.	Nf1	Bf5
22.	Kf2	g4
23.	Nd1	Rxe1
24.	Kxe1	Re8+
25.	Nde3	Bxh2
26.	Nxh2	Rxe3+

What is the strongest continuation for Black?

Live Chess, Chess.com
Analysis of Brother_Lap (1624) vs. john2001plus (1889)


1
2
3
4
5
6
7
8

(black to move)

1.	e4	e6
2.	Bc4	d5
3.	exd5	exd5
4.	Bb3	Nf6
5.	d3	Bd6
6.	Bg5	h6
7.	Bxf6	Qxf6
8.	Nc3	c6
9.	Qf3	Nd7
10.	Qxf6	Nxf6
11.	f3	O-O
12.	Nge2	a5
13.	a3	b5
14.	O-O	Bb7
15.	Kh1	b4
16.	axb4	axb4
17.	Rxa8	Rxa8
18.	Na4	c5
19.	g3	Bc6
20.	Ra1	c4
21.	dxc4	dxc4
22.	Nd4	cxb3
23.	cxb3	Bd5
24.	Rc1	Be5
25.	Nb6	Bxd4
26.	Nxd5	Nxd5
27.	Rb1	Ra2
28.	Rd1	Ne3

White to play for a winning advantage.

Live Chess, Chess.com
Analysis of john2001plus (1884) vs. aherring74 (1936)


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	d5
10.	cxd5	Nxd5
11.	Nxd5	Qxd5
12.	Bf3	Qb5
13.	a4	Qb4
14.	Bd2	Qd6
15.	Qb3+	Kh8
16.	Nf7+	Rxf7
17.	Qxf7	Bd7
18.	Bc3	Rf8
19.	Qd5

What is the best continuation for White?

Live Chess, Chess.com
Analysis john2001plus (1884) vs. aherring74 (1936)


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	d5
10.	cxd5	Nxd5
11.	Nxd5	Qxd5
12.	Bf3	Qb5
13.	Qb3+	Qxb3
14.	axb3	Nd4
15.	Bxd4	Bxg5
16.	Bxe5	c6
17.	b4	Bf5
18.	d4	Bd3
19.	Rfd1	Bc4
20.	d5

Black to play

Live Chess, Chess.com
Analysis of mazzichess (1394) vs. john2001plus (1869)


1
2
3
4
5
6
7
8

(black to move)

1.	c4	e5
2.	g3	Nf6
3.	Bg2	c6
4.	Nc3	d5
5.	cxd5	cxd5
6.	e3	d4
7.	exd4	exd4
8.	Ne4	Nxe4
9.	Bxe4	Nc6
10.	Nf3	Bh3
11.	Ng1	Be6
12.	d3	Bb4+
13.	Bd2	Bxd2+
14.	Qxd2	Bd5
15.	Nf3	Bxe4
16.	dxe4	O-O
17.	O-O	Re8
18.	Rfe1	Qf6
19.	Ng5	Ne5
20.	f4	Qxg5
21.	Qd1	Qf6
22.	fxe5	Qxe5
23.	Qb3	Re7
24.	Qd5	Qxd5
25.	exd5	Rd7
26.	Re5	Rad8
27.	Rae1	f6
28.	Re7	Rxe7
29.	Rxe7	d3
30.	Re1	Rxd5
31.	Rd1	Kf7

What is the strongest continuation for Black?

Live Chess, Chess.com
Analysis of mazzichess (1394) vs. john2001plus (1869)


1
2
3
4
5
6
7
8

(black to move)

1.	c4	e5
2.	g3	Nf6
3.	Bg2	c6
4.	Nc3	d5
5.	cxd5	cxd5
6.	e3	d4
7.	exd4	exd4
8.	Ne4	Nxe4
9.	Bxe4	Nc6
10.	Nf3	Bh3
11.	Ng1	Be6
12.	d3	Bb4+
13.	Bd2	Bxd2+
14.	Qxd2	Bd5
15.	Nf3	Bxe4
16.	dxe4	O-O
17.	O-O	Re8
18.	Rfe1	Qf6
19.	Ng5	Ne5
20.	f4	Qxg5
21.	Qd1	Qf6
22.	fxe5	Qxe5
23.	Qb3	Re7
24.	Qd5	Qxd5
25.	exd5	Rd7
26.	Re5	Rad8
27.	Rae1	f6
28.	Re7	Kf8
29.	Re7e4	Rxd5
30.	Re7	Rd8d7
31.	Re8+	Kf7
32.	Ra8	d3
33.	Rd1	d2
34.	Kf2	Re7
35.	g4	h5
36.	h3	hxg4
37.	hxg4	f5
38.	g5	Kg6
39.	Rxa7	Kxg5

Click here for 33. Rxa7.

Monday, March 30, 2020

White to play

Live Chess, Chess.com
Analysis of john2001plus (1833) vs. luc2008 (1524)


8
7
6
5
4
3
2
1

(white to move)

1.	Nf3	c5
2.	e4	d6
3.	c3	Nf6
4.	Be2	Nc6
5.	d4	cxd4
6.	cxd4	g6
7.	d5	Nb8
8.	Nc3	Bg7
9.	O-O	O-O
10.	Be3	Bg4
11.	Qb3	b6
12.	Rac1	Nbd7
13.	h3	Bxf3
14.	Bxf3	Nc5
15.	Qc2	Rc8
16.	Qb1	a6
17.	Ne2	a5
18.	Rfd1	Nfd7
19.	Nd4	Bxd4
20.	Bxd4

Sunday, March 29, 2020

White to play

Live Chess, Chess.com
Analysis of john2001plus (1833) vs. luc2008 (1524)


8
7
6
5
4
3
2
1

(white to move)

1.	Nf3	c5
2.	e4	d6
3.	c3	Nf6
4.	Be2	Nc6
5.	d4	cxd4
6.	cxd4	g6
7.	d5	Nb8
8.	Nc3	Bg7
9.	O-O	O-O
10.	Be3	Bg4
11.	Qb3	b6
12.	Rac1	Nbd7
13.	h3	Bxf3
14.	Bxf3	Nc5
15.	Qa3	Nfd7
16.	Be2	a5
17.	Bb5	e5
18.	dxe6 e.p.	fxe6
19.	Rfd1

White to play

Live Chess, Chess.com
Analysis of john2001plus (1833) vs. luc2008 (1524)


8
7
6
5
4
3
2
1

(white to move)

1.	Nf3	c5
2.	e4	d6
3.	c3	Nf6
4.	Be2	Nc6
5.	d4	cxd4
6.	cxd4	g6
7.	d5	Nb8
8.	Nc3	Bg7
9.	O-O	O-O
10.	Be3	Bg4
11.	Qb3	b6
12.	Rac1	Nbd7
13.	h3	Bxf3
14.	Bxf3	Nc5
15.	Qa3	Nfd7
16.	b4	Nd3
17.	Rcd1	Nd3e5
18.	Be2	a6
19.	f4	Nc4
20.	Bxc4	Rc8
21.	Qxa6	Bxc3
22.	Rb1	Qc7
23.	Be2	Ra8
24.	Qd3	Bg7
25.	Rfc1	Qa7
26.	Rc2

White to play

Live Chess, Chess.com
Analysis of john2001plus (1833) vs. luc2008 (1524)


8
7
6
5
4
3
2
1

(white to move)

1.	Nf3	c5
2.	e4	d6
3.	c3	Nf6
4.	Be2	Nc6
5.	d4	cxd4
6.	cxd4	g6
7.	d5	Nb8
8.	Nc3	Bg7
9.	O-O	O-O
10.	Be3	Bg4
11.	Qb3	b6
12.	Rac1	Nbd7
13.	h3	Bxf3
14.	Bxf3	Nc5
15.	Qa3	Nfd7
16.	b4	Nd3
17.	Rcd1	Nd3e5
18.	Be2	a6
19.	f4	Nc4
20.	Bxc4	Rc8
21.	Ne2	Rxc4
22.	Nd4	Qc7
23.	Rc1	b5
24.	Rxc4	bxc4
25.	Qxa6	c3
26.	Nc6	e6
27.	b5	Nb8
28.	Qa4

Friday, March 27, 2020

White to play

Live Chess, Chess.com
john2001plus (1847) vs. aherring74 (1912)


8
7
6
5
4
3
2
1

-2

(white to move)

1.	Nf3	f5
2.	e4	fxe4
3.	Ng5	Nc6
4.	d4	d5
5.	c4	e6
6.	Nc3	Be7
7.	h4	Nf6
8.	Bf4	h6
9.	Nh3	dxc4
10.	Be5	Bb4
11.	Bxc4	Nxe5
12.	dxe5	Nd5
13.	Qh5+	Kf8
14.	O-O	Qe8
15.	Qg4	Bxc3
16.	bxc3	Nxc3
17.	Nf4	Rh7
18.	Rac1	Nd5
19.	Nxd5	exd5
20.	Qf4+	Kg8
21.	Bxd5+	Be6
22.	Bxb7	Rb8
23.	Bxe4	Rh8
24.	Rxc7

White to play

Live Chess, Chess.com
john2001plus (1847) vs. aherring74 (1912)


8
7
6
5
4
3
2
1

-1

(white to move)

1.	Nf3	f5
2.	e4	fxe4
3.	Ng5	Nc6
4.	d4	d5
5.	c4	e6
6.	Nc3	Be7
7.	h4	Nf6
8.	Bf4	h6
9.	Nh3	dxc4
10.	Be5	Bb4
11.	Bxc4	Nxe5
12.	dxe5	Nd5
13.	Qh5+	Kf8
14.	O-O	Qe8
15.	Qg4	Bxc3
16.	bxc3	Nxc3
17.	Nf4	Rh7
18.	Rac1	Nd5
19.	Nxd5	exd5
20.	Qf4+	Kg8
21.	Bxd5+	Be6
22.	Bxb7	Rb8
23.	Bxe4	Rh8
24.	Rxc7

White to play

Live Chess, Chess.com
Analysis of john2001plus (1847) vs. aherring74 (1912)


8
7
6
5
4
3
2
1

(white to move)

1.	Nf3	f5
2.	e4	fxe4
3.	Ng5	Nc6
4.	d4	d5
5.	c4	e6
6.	Nc3	Be7
7.	h4	Nf6
8.	Bf4	h6
9.	Nh3	dxc4
10.	Be5	Bb4
11.	Bxc4	Nxe5
12.	dxe5	Nd5
13.	Bxd5	exd5
14.	Qa4+	c6
15.	Qxb4	Qxh4
16.	Qd6	Qg4
17.	Ne2	Be6
18.	Nhf4	Kf7
19.	Nd4	Bc8
20.	e6+	Kg8
21.	Rh3	h5
22.	Qd8+	Kh7
23.	Qe7	Qxf4
24.	Rxh5+	Kg6
25.	Rxh8

White to play

Live Chess, Chess.com
john2001plus (1847) vs. enjoychess2013 (1001)


8
7
6
5
4
3
2
1

(white to move)

1.	Nf3	d6
2.	d4	Nf6
3.	c4	c5
4.	Nc3	Be6
5.	dxc5	dxc5
6.	Qxd8+	Kxd8
7.	Bf4	Bxc4
8.	O-O-O+	Nbd7
9.	e4	Bxf1
10.	Rhxf1	e6
11.	Ne5	Ke7
12.	Nxd7	Nxd7
13.	Bd6+	Ke8
14.	Nb5	Bxd6
15.	Nxd6+	Ke7
16.	Nxb7	Rab8
17.	Nd6	Rb6
18.	Nc4	Rb4
19.	b3	Rhb8
20.	Kc2	Nb6
21.	a3	Rb5
22.	a4	Rb4
23.	Ne5	Rc8
24.	a5	Rxe4
25.	axb6	Rxe5
26.	bxa7	Ra8
27.	Ra1

Friday, March 13, 2020

What is the best continuation for Black?

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


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	Qxd2+
24.	Qxd2	Bxd2
25.	f5	Re7
26.	fxg6	hxg6
27.	Raf1	Rdd7
28.	Rf3f2	Bc3
29.	h4	Bd4
30.	Rf3	b5
31.	axb5	axb5
32.	Bc6	b4
33.	Bxd7	Rxd7
34.	Rb3	Bc3

Tuesday, March 10, 2020

White to play

Casual Game, https://itsyourturn.com, http://gameknot.com/
Analysis of John Coffey vs. fraenken


8
7
6
5
4
3
2
1

(white to move)

1.	Nf3	g6
2.	d4	Bg7
3.	c4	d5
4.	cxd5	Qxd5
5.	Nc3	Qd8
6.	e4	Bg4
7.	Be3	Nc6
8.	Bb5	e5
9.	d5	Nge7
10.	dxc6	Nxc6
11.	Qxd8+	Rxd8
12.	Nd5

Sunday, March 1, 2020

White to play for a winning advantage

Live Chess, Chess.com
Analysis of john2001plus (1949) vs. aherring74 (2043)


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	Nf6
7.	Nc3	Bb4
8.	Be2	O-O
9.	O-O	Nd4
10.	Bxd4	exd4
11.	Nce4	a5
12.	c5	a4
13.	a3	Nxe4
14.	Nxe4	d5
15.	axb4	dxe4
16.	dxe4	Qf6
17.	Rxa4	Be6
18.	Qa1	Rxa4
19.	Qxa4	d3
20.	Bxd3	Qxb2
21.	b5	Qe5
22.	Bc4	Qxe4
23.	Bxe6+	Qxe6
24.	Qd4	Re8
25.	g3	Re7
26.	Rd1	Kf7
27.	Qd5	Qxd5
28.	Rxd5	Ke6
29.	Rd2	Rd7
30.	Rc2	Rd5
31.	f4	Kd7
32.	Kf2	b6
33.	Ke3	bxc5
34.	Ke4	Kd6
35.	Rc4	Rd2
36.	h4	Rb2
37.	f5	Re2+
38.	Kd3	Rg2
39.	Rg4	Rb2
40.	Rxg7	Rxb5
41.	g4	Rb3+
42.	Kc4	Rb4+
43.	Kd3	c6
44.	h5	Ke5
45.	h6	Rf4
46.	Ke3	Rd4
47.	Kf3	Rd3+
48.	Ke2	Rd6
49.	Rxh7	Kf4
50.	Rh8	Kg5
51.	h7	Kh6
52.	Ke3	Rd4
53.	g5+	Kg7
54.	Rc8	Kxh7
55.	Rxc6	Rg4
56.	Rc7+	Kg8
57.	g6	c4
58.	Kf3	Rg1
59.	Kf4	c3
60.	Ke5	Kf8
61.	Kf6	Ke8
62.	Rxc3

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;