Chess Analysis Blog: January 2020

Tuesday, January 28, 2020

White to play

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


8
7
6
5
4
3
2
1

(white to move)

1.	Nf3	g6
2.	d4	Bg7
3.	c4	b6
4.	Nc3	Nf6
5.	e4	Bb7
6.	Bd3	d6
7.	O-O	Nbd7
8.	Re1	O-O
9.	h3	e5
10.	d5	c6
11.	Bg5	Qc7
12.	a3	Nc5
13.	Bc2	Nh5
14.	b4	Nd7
15.	Be7	Rfe8
16.	dxc6	Bxc6
17.	Bxd6	Qd8
18.	Ba4	Bxa4
19.	Qxa4	Nf4
20.	Rad1	Qc8
21.	Nd5

Click here for the continuation!

Monday, January 27, 2020

Black to play

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


1
2
3
4
5
6
7
8

(black to move)

1.	e4	e6
2.	d4	d5
3.	Nc3	Nf6
4.	Bg5	Bb4
5.	e5	h6
6.	exf6	hxg5
7.	Qd3	Qxf6
8.	Nf3	Nd7
9.	O-O-O	g4
10.	Ne5	Qxf2
11.	Nxg4	Qf4+
12.	Ne3	c5
13.	g3	Qxd4
14.	Qxd4	cxd4
15.	Rxd4	Bc5
16.	Nb5	Bxd4

Saturday, January 11, 2020

What is the best continuation for White?

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


8
7
6
5
4
3
2
1

(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.	Ng5	Nb6
12.	Qf3	Qe7
13.	b3	g6
14.	Bxb5	axb5
15.	Nxb5	Bg7
16.	Nd6+	Kf8
17.	Ngxf7

White to play for at least equality

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


8
7
6
5
4
3
2
1

-1

(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	Rxc1
25.	Rxc1	Nd5
26.	Bxf8

Click here for 23... Bxf4.
Click here for 25... Re8.

White to play for equality

*** US Chess 15|10 Rapid, Chess.com
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.	Nxd4	Rxc1
24.	Rxc1	Re8
25.	Nf3	Bg7
26.	Be4

Black to play

*** US Chess 3|2 Blitz, Chess.com
Analysis of newauto (2051) vs. john2001plus (1847)


1
2
3
4
5
6
7
8

(black to move)

1.	e4	e6
2.	Na3	d5
3.	exd5	exd5
4.	d4	Nf6
5.	c4	Bb4+
6.	Bd2	Qe7+
7.	Qe2	Bxd2+
8.	Kxd2	Ne4+
9.	Kc1	Qg5+
10.	Kd1	O-O
11.	Nf3	Qd8
12.	cxd5	Re8
13.	Qc2	Bf5
14.	Bd3	Na6
15.	Bxa6	bxa6
16.	Re1	Qxd5
17.	b4	a5
18.	b5	Bg4
19.	Kc1	Bxf3
20.	gxf3	Qxd4
21.	Rb1	Nxf2
22.	Rxe8+	Rxe8
23.	Qd2	Nd3+
24.	Kd1	Rd8

Black to play for near equality

*** US Chess 3|2 Blitz, Chess.com
Analysis of newauto (2051) vs. john2001plus (1847)


1
2
3
4
5
6
7
8

-1

(black to move)

1.	e4	e6
2.	Na3	d5
3.	exd5	exd5
4.	d4	Nf6
5.	c4	Bb4+
6.	Bd2	Qe7+
7.	Qe2	Bxd2+
8.	Kxd2	Ne4+
9.	Kc1	Qg5+
10.	Kd1	O-O
11.	Nf3	Bg4
12.	Nxg5	Bxe2+
13.	Bxe2	Nxg5
14.	cxd5	c6
15.	Bc4	Rd8
16.	Re1	cxd5
17.	Bxd5	Nc6
18.	Bxc6	Rxd4+
19.	Kc2	bxc6

Black to play

*** US Chess 3|2 Blitz, Chess.com
Analysis of newauto (2051) vs. john2001plus (1847)


1
2
3
4
5
6
7
8

-1

(black to move)

1.	e4	e6
2.	Na3	d5
3.	exd5	exd5
4.	d4	Nf6
5.	c4	Bb4+
6.	Bd2	Qe7+
7.	Qe2	Bxd2+
8.	Kxd2	Ne4+
9.	Kc1	Qg5+
10.	Kd1	O-O
11.	Nf3	Bg4
12.	Nxg5	Bxe2+
13.	Bxe2	Nxg5
14.	cxd5	Ne4
15.	Rf1	Nd7
16.	Rc1	Rac8
17.	Nb5	a6
18.	Nxc7	Rfd8
19.	Bd3	Nef6
20.	Ke2	Nb6
21.	Rc5	Rd7
22.	Rfc1	Rcd8

Black to play for near equality

*** US Chess 3|2 Blitz, Chess.com
Analysis of newauto (2051) vs. john2001plus (1847)


1
2
3
4
5
6
7
8

-1

(black to move)

1.	e4	e6
2.	Na3	d5
3.	exd5	exd5
4.	d4	Nf6
5.	c4	Bb4+
6.	Bd2	Qe7+
7.	Qe2	Bxd2+
8.	Kxd2	Ne4+
9.	Kc1	Qg5+
10.	Kd1	O-O
11.	Nf3	Bg4
12.	Nxg5	Bxe2+
13.	Bxe2	Nxg5
14.	cxd5	Ne4
15.	Rf1	c6
16.	f3	Nf6
17.	dxc6	Nxc6
18.	Nc2	Rfd8

Black to play for a winning advantage

*** US Chess 3|2 Blitz, Chess.com
Analysis of newauto (2051) vs. john2001plus (1847)


1
2
3
4
5
6
7
8

(black to move)

1.	e4	e6
2.	Na3	d5
3.	exd5	exd5
4.	d4	Nf6
5.	c4	Bb4+
6.	Bd2	Qe7+
7.	Qe2	Bxd2+
8.	Kxd2	Ne4+
9.	Kc1	Qg5+
10.	Kd1	O-O
11.	Nf3	Bg4
12.	Nxg5	Bxe2+
13.	Bxe2	Nxg5
14.	cxd5	Ne4
15.	Rf1	Nd7
16.	Rc1	Ndf6
17.	f3	Nd6
18.	Rxc7	Nxd5
19.	Rd7	Ne3+
20.	Ke1	Nxf1
21.	Rxd6	Ne3
22.	Kf2	Nf5
23.	Rd5	g6
24.	g4	Ng7
25.	Rd7	Rab8
26.	Bc4	Ne6
27.	Nb5	Rfd8

Black to play for a slight advantage

*** US Chess 3|2 Blitz, Chess.com
newauto (2051) vs. john2001plus (1847)


1
2
3
4
5
6
7
8

(black to move)

1.	e4	e6
2.	Na3	d5
3.	exd5	exd5
4.	d4	Nf6
5.	c4	Bb4+
6.	Bd2	Qe7+
7.	Qe2	Bxd2+
8.	Kxd2	Ne4+
9.	Kc1	Qg5+
10.	Kd1	O-O
11.	Nf3	Bg4
12.	Nxg5	Bxe2+
13.	Bxe2	Nxg5
14.	cxd5	Ne4
15.	Rf1	Nd7
16.	Rc1	Ndf6
17.	f3	Nd6
18.	Rxc7	Nxd5
19.	Rd7	Ne3+
20.	Ke1	Nxf1
21.	Rxd6	Nxh2
22.	Rd7	Rad8
23.	Rxb7	Rxd4
24.	Bc4	a5
25.	b3	a4
26.	Kf2	axb3
27.	Bxb3	Ra8
28.	Bxf7+	Kf8
29.	Nb5	Rd2+
30.	Ke1	Rxg2
31.	Nd4	Ra6
32.	Bc4	Rf6
33.	Ne6+	Rxe6+
34.	Bxe6	Nxf3+

Click here for 30. Kg1.

Friday, January 10, 2020

Black to play for a winning advantage

*** US Chess 3|2 Blitz, Chess.com
john2001plus (1846) vs. angusmc (1765)


1
2
3
4
5
6
7
8

(black to move)

1.	Nf3	b6
2.	e4	Bb7
3.	Nc3	g6
4.	d4	Bg7
5.	Bc4	e6
6.	O-O	Ne7
7.	d5	exd5
8.	exd5	O-O
9.	d6	cxd6
10.	Qxd6	Nec6
11.	Nd5	Re8
12.	Nc7	Ne5
13.	Be2	Bxf3
14.	Bxf3	Nxf3+
15.	gxf3	Be5
16.	Re1	Bxh2+
17.	Kxh2	Qh4+
18.	Kg2	Rxe1
19.	Bh6	Qh1+
20.	Kg3	Rg1+
21.	Rxg1	Qxg1+
22.	Kh3	Na6
23.	Nxa8	Qh1+
24.	Kg3	Qxh6
25.	Qxd7	Nc5
26.	Qxa7	Qg5+
27.	Kh2	Ne6
28.	Qb8+	Kg7
29.	Qg3	Qh6+
30.	Qh3	Qd2

Click here for 30. Kg2.

Thursday, January 9, 2020

What is the strongest continuation for Black?

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


1
2
3
4
5
6
7
8

-1

(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	Nxd3+
11.	Qxd3	Ba6
12.	Qd2	Re8+
13.	Kd1	Be2+
14.	Kc2	Qe7
15.	Nxc5	Qxc5+
16.	Kb1	Qc4
17.	b3	Qe4+
18.	Kb2	Bxf3
19.	gxf3	Qxf3
20.	Re1	Qc3+

What is the strongest continuation for Black?

*** 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	Nxd3+
11.	Qxd3	Ba6
12.	Qd2	Re8+
13.	Kd1	Be2+
14.	Kc2	Qe7
15.	b3	Qe4+
16.	Kb2	Na6
17.	Re1	Be7
18.	a3	bxa3+
19.	Rxa3	Rab8

What is the strongest continuation for Black?

*** 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	Nxd3+
11.	Qxd3	Ba6
12.	Qd2	Re8+
13.	Kd1	Be2+
14.	Kc2	Qe7
15.	b3	Qe4+
16.	Kb2	Na6
17.	Nxc5	Nxc5
18.	Rb1	Bxf3
19.	gxf3	Qe5+
20.	Kc2	Qf5+
21.	Kb2	Qf6+
22.	Kc2	Qxf3
23.	Re1	Qf5+
24.	Kb2	Nd3+

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	Bxd3
20.	Qxd3	Qxd3
21.	Nxd3	gxf3
22.	gxf3	Re2
23.	Bxb4	Na6
24.	Bc3	Re3
25.	Ne1	Nc5
26.	Kxh1	Rae8
27.	Kg2	Re2+
28.	Kg3	Na4
29.	Nd3	Re8e3
30.	Nf4	Nxc3
31.	Nxe2	Nxe2+
32.	Kf2	Re5
33.	Rd1	Nf4
34.	Rd4	Nxd5
35.	Ra4	c5
36.	Rxa7	Nb4
37.	Rd7	Nd3+
38.	Kg3	Rg5+
39.	Kh3	Nf2+
40.	Kh4	Rd5
41.	a4	Rd4+
42.	Kg3	Nd3
43.	a5	Ra4
44.	Rxd6	Nxb2
45.	a6	Kf7
46.	Rc6	Nd3
47.	Rc7+	Ke6
48.	a7	h5
49.	f4	Ra3
50.	Kf3	Nb4+
51.	Ke2	Kd6
52.	Rf7	Nd5
53.	Rg7	c4
54.	Kd1	Ra2
55.	h3	c3
56.	Rg8	Ne3+
57.	Ke1	Rxa7
58.	Rd8+	Rd7
59.	Rc8	c2
60.	Kd2	Rc7

What is the strongest continuation for Black?

*** 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	Bxd3
20.	Qxd3	Qxd3
21.	Nxd3	gxf3
22.	gxf3	Re2
23.	Bxb4	Na6
24.	Bc3	Re3
25.	Ne1	Nc5
26.	Kxh1	Rae8
27.	Kg2	Re2+
28.	Kg3	Na4
29.	Nd3	Re8e3
30.	Nf4	Nxc3
31.	Nxe2	Nxe2+
32.	Kf2	Re5
33.	Rd1	Nf4
34.	Rd4	Nxd5
35.	Ra4	c5
36.	Rxa7	Nb4
37.	Rd7	Nd3+
38.	Kg3	Rg5+
39.	Kh3	Nf2+
40.	Kh4	d5
41.	a4	Nd3
42.	Rb7	Ne5
43.	Kh3	Nxf3
44.	a5	f5
45.	Rb8+	Kg7
46.	Rb3	Ng1+
47.	Kh4	Rg4+
48.	Kh5	Ne2
49.	Rb7+	Kf6
50.	Rb6+	Ke5
51.	h3	Rg3

Click here for the continuation!
Click here for 43. f4.

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	Bxd3
20.	Qxd3	Qxd3
21.	Nxd3	gxf3
22.	gxf3	Re2
23.	Bxb4	Na6
24.	Bc3	Re3
25.	Ne1	Nc5
26.	Kxh1	Rae8
27.	Kg2	Re2+
28.	Kg3	Na4
29.	Nd3	Re8e3
30.	Nf4	Nxc3
31.	Nxe2	Nxe2+
32.	Kf2	Re5
33.	Rd1	Nf4
34.	Rd4	Nxd5
35.	Ra4	c5
36.	Rxa7	Nb4
37.	Rd7	Nd3+
38.	Kg3	Rg5+
39.	Kh3	Nf2+
40.	Kh4	d5
41.	a4	Nd3
42.	Rb7	Ne5
43.	Kh3	Nxf3
44.	a5	f5
45.	Rb8+	Kg7
46.	Rb3	Ng1+
47.	Kh4	Rg4+
48.	Kh5	Ne2
49.	Rb7+	Kf6
50.	Rb6+	Ke5
51.	h3	Rg3
52.	h4	f4
53.	a6	f3
54.	a7	Rg8
55.	Rb8	Ng3+
56.	Kh6	Nf5+
57.	Kxh7	Rg7+
58.	Kh8	Rxa7
59.	Re8+	Ne7
60.	h5	f2
61.	Rf8	Nf5

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;