Chess Analysis Blog: April 2021

Monday, April 26, 2021

White to play

Practice game, ?
Analysis of Coffey, John (2016) vs. Stockfish 12 at 1600 (1600)


8
7
6
5
4
3
2
1

a

b

c

d

e

f

g

h

0

(white to move)

1.	d4	Nf6
2.	c4	g6
3.	Nc3	Bg7
4.	e4	d6
5.	Be2	O-O
6.	Be3	e5
7.	d5	a5
8.	g4	Ne8
9.	g5	Na6
10.	h4	f5
11.	gxf6 e.p.	Nxf6
12.	h5	Qe7
13.	hxg6	hxg6
14.	Nf3	Nh5
15.	Nh4	Qf6
16.	Bxh5	gxh5
17.	Qxh5	Nb4
18.	Kd2	c6
19.	Rag1

What is the strongest continuation for White?

Casual Game, https://itsyourturn.com
Analysis of John Coffey vs. Samuel Jurado


8
7
6
5
4
3
2
1

a

b

c

d

e

f

g

h

+6

(white to move)

1.	Nf3	f5
2.	e4	fxe4
3.	Ng5	Nf6
4.	d3	exd3
5.	Bxd3	e5
6.	Bxh7	Bc5
7.	Bg6+	Ke7
8.	Nf7	Qg8
9.	Nxh8	Qxh8
10.	Bg5	d6
11.	Nc3	Be6
12.	Nd5+	Bxd5
13.	Qxd5	Nbd7
14.	Qf7+	Kd8
15.	Bf5	Qe8
16.	Qxg7	c6
17.	Bxd7	Qxd7
18.	Bxf6+	Kc7
19.	Qxd7+	Kxd7
20.	g4	e4
21.	h4	e3
22.	fxe3	Bxe3
23.	g5	Re8
24.	Kf1

Saturday, April 24, 2021

Black to play

Magnus Carlsen Invitational, chess24.com INT
Wesley So (2770) vs. Magnus Carlsen (2847)


1
2
3
4
5
6
7
8

h

g

f

e

d

c

b

a

-1

(black to move)

1.	d4	Nf6
2.	c4	e6
3.	Nc3	Bb4
4.	f3	Nc6
5.	a3	Bxc3+
6.	bxc3	b6
7.	e4	Ba6
8.	Bg5	h6
9.	Bh4	Qc8
10.	Bd3	Na5
11.	Qe2	d6
12.	f4	Qd7
13.	Nf3	Nh5
14.	g3	g5
15.	fxg5	hxg5
16.	Nxg5	Nf4
17.	gxf4	Rxh4
18.	Qf2	Rh8
19.	f5	O-O-O
20.	fxe6	fxe6
21.	Qf7	Rdg8
22.	Qxd7+	Kxd7
23.	Nf3	Rh3
24.	Kf2	Rf8
25.	Be2	Bxc4
26.	Raf1	Rf4

Black to play

Magnus Carlsen Invitational, chess24.com INT
Wesley So (2770) vs. Magnus Carlsen (2847)


1
2
3
4
5
6
7
8

h

g

f

e

d

c

b

a

0

(black to move)

1.	d4	Nf6
2.	c4	e6
3.	Nc3	Bb4
4.	f3	Nc6
5.	a3	Bxc3+
6.	bxc3	b6
7.	e4	Ba6
8.	Bg5	h6
9.	Bh4	Qc8
10.	Bd3	Na5
11.	Qe2	d6
12.	f4	Qd7
13.	Nf3	Nh5
14.	g3	g5
15.	fxg5	hxg5
16.	Nxg5	Nf4
17.	gxf4	Rxh4
18.	Qf2	Rh8
19.	f5	O-O-O
20.	fxe6	fxe6
21.	Qf7	Rdg8
22.	Qxd7+	Kxd7
23.	Nf3	Rh3
24.	Kf2	Rf8
25.	Be2	Bxc4
26.	Raf1	Rf4
27.	Ke3	e5
28.	dxe5	dxe5
29.	Rhg1	Bxe2
30.	Kxe2	Rxe4+
31.	Kf2	Nc4
32.	Rg3	Rh6
33.	a4	a5
34.	Rfg1	Rf4

Black to play.

Magnus Carlsen Invitational, chess24.com INT
Analysis of Wesley So (2770) vs. Magnus Carlsen (2847)


1
2
3
4
5
6
7
8

h

g

f

e

d

c

b

a

+1

(black to move)

1.	d4	Nf6
2.	c4	e6
3.	Nc3	Bb4
4.	f3	Nc6
5.	a3	Bxc3+
6.	bxc3	b6
7.	e4	Ba6
8.	Bg5	h6
9.	Bh4	Qc8
10.	Bd3	Na5
11.	Qe2	d6
12.	f4	Qd7
13.	Nf3	Nh5
14.	g3	g5
15.	fxg5	hxg5
16.	Nxg5	Nf4
17.	gxf4	Rxh4
18.	Qf2	Rh8
19.	f5	O-O-O
20.	fxe6	fxe6
21.	Qf7	Rdg8
22.	Qxd7+	Kxd7
23.	Nf3	Rh3
24.	Kf2	Rf8
25.	Be2	Bxc4
26.	Raf1	Rf4
27.	Ke3	e5
28.	dxe5	dxe5
29.	Rhg1	Bxe2
30.	Kxe2	Rxe4+
31.	Kf2	Nc4
32.	Rg3	Rh6
33.	a4	a5
34.	Rfg1	Rf4
35.	Kg2	Ne3+
36.	Kh1	Nf5
37.	Nxe5+	Ke6
38.	Rg4	Rf2
39.	Rg6+	Kxe5

Thursday, April 15, 2021

What is the best defense for White?

Live Chess, Chess.com
Analysis of john2001plus (1697) vs. MainStreetUSA (1650)


8
7
6
5
4
3
2
1

a

b

c

d

e

f

g

h

0

(white to move)

1.	e4	c5
2.	Nf3	d6
3.	c3	Nf6
4.	Be2	g6
5.	O-O	Bg7
6.	Re1	O-O
7.	Bf1	Bg4
8.	h3	Bxf3
9.	Qxf3	Nc6
10.	d3	Nd7
11.	Be3	f5
12.	exf5	Rxf5
13.	Qe4	d5
14.	Qa4	d4
15.	Bd2	Qc7
16.	Na3	Raf8
17.	Re2	Be5
18.	Bh6	Rf8f7
19.	Qc2	Rh5
20.	Bd2	a6
21.	g4	Bh2+
22.	Kh1	Re5
23.	Qd1	Rxe2
24.	Qxe2	Nde5
25.	Bg2

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;