Chess Level 4: December 2018

Saturday, December 29, 2018

What is the strongest continuation for Black?

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


1
2
3
4
5
6
7
8

h

g

f

e

d

c

b

a

+1

(black to move)

1.	f4	e5
2.	d4	exd4
3.	Qxd4	Nc6
4.	Qe4+	Be7
5.	f5	Nf6
6.	Qf4	O-O
7.	Nf3	d5
8.	Nc3	Bd6
9.	Qh4	Nb4
10.	Kd1	Bxf5
11.	Bg5	Bxc2+
12.	Kd2	d4
13.	Nxd4	Be5
14.	e3	h6
15.	Bxf6	Bxf6
16.	Qg4	c5
17.	a3	cxd4

Tuesday, December 25, 2018

White to play

ICC 15 3, Internet Chess Club
Analysis of john2001plus (1868) vs. KnightFireML (1794)


8
7
6
5
4
3
2
1

a

b

c

d

e

f

g

h

-1

(black to move)

1.	Nf3	d5
2.	d4	g6
3.	c4	Bg7
4.	cxd5	Nf6
5.	Nc3	Nxd5
6.	e4	Nxc3
7.	bxc3	O-O
8.	Be2	c5
9.	O-O	Nc6
10.	d5	Bxc3
11.	Bh6	Bxa1
12.	Qxa1	Nd4
13.	Nxd4	cxd4
14.	Qxd4	e5
15.	Qxe5	f6
16.	Qd4	Re8
17.	d6	Bd7
18.	Bc4+	Kh8
19.	Bf7	Re5
20.	Bf4	Kg7
21.	Bd5	Re8
22.	e5	Rc8
23.	exf6+	Qxf6
24.	Bh6+

Mate in 5.

Live Chess, Chess.com
Analysis of john2001plus (1861) vs. WilliamAthens (1493)


8
7
6
5
4
3
2
1

a

b

c

d

e

f

g

h

+1

(white to move)

1.	Nf3	c5
2.	e4	b6
3.	d4	cxd4
4.	Nxd4	Bb7
5.	Nc3	e6
6.	Be2	Bb4
7.	O-O	Bxc3
8.	bxc3	Bxe4
9.	Nb5	d5
10.	Ba3	Nf6
11.	Nd6+	Kd7
12.	c4	h6
13.	cxd5	Bxd5
14.	c4	Qc7
15.	cxd5	Nxd5
16.	Bb5+	Nc6
17.	Rc1	Rhc8
18.	Qa4	Nde7
19.	Rfd1	Nd5
20.	Rxd5	exd5
21.	Qg4+	Kd8
22.	Qxg7	Qd7
23.	Nxf7+	Kc7
24.	Rxc6+	Qxc6
25.	Nd6+	Kd8
26.	Nb7+	Qxb7
27.	Qf8+	Kc7
28.	Qd6#

White to play and win.

ICC 30 0 u, Internet Chess Club
Analysis of john2001plus (1836) vs. fiddler (1798)


8
7
6
5
4
3
2
1

a

b

c

d

e

f

g

h

+1

(white to move)

1.	Nf3	d5
2.	d4	Nf6
3.	c4	e6
4.	Nc3	Be7
5.	Bf4	O-O
6.	e3	Nbd7
7.	cxd5	Nxd5
8.	Nxd5	exd5
9.	a3	c6
10.	Bd3	Nf6
11.	Qc2	Qa5+
12.	Nd2	Qd8
13.	O-O	Bd6
14.	Bxd6	Qxd6
15.	Nf3	h6
16.	b4	Be6
17.	Rfc1	Rfc8
18.	Qc5	Qxc5
19.	Rxc5	Nd7
20.	Rc2	f6
21.	Rac1	a6
22.	a4	Nb6
23.	b5	Nc4
24.	bxc6	Rxc6
25.	Bxc4	dxc4
26.	e4	Bf7
27.	d5	Rc5
28.	Rxc4	Rxc4
29.	Rxc4	b5
30.	Rb4	bxa4
31.	Rxa4	a5
32.	Nd4	Be8
33.	Ra3	a4
34.	Ne6	Rb8
35.	f3	Rb3
36.	Ra1	a3
37.	Nc5	Rc3
38.	Na6	Bb5
39.	Nb4	Bc4
40.	Na2	Bxa2
41.	Rxa2	Rb3
42.	h3	Kf7
43.	Kh2	g5
44.	Kg3	h5
45.	h4	Ke7
46.	Rd2	Rb2
47.	Rd3	a2
48.	Ra3	Kd6
49.	hxg5	fxg5
50.	Ra6+	Ke5
51.	d6	Rd2
52.	d7	Rxd7
53.	Rxa2	Rg7
54.	Re2	Rf7
55.	Rd2	Rg7
56.	Rd5+	Kf6
57.	Rf5+	Ke6
58.	Kf2	h4
59.	f4	g4
60.	Rh5	Rf7
61.	Rh6+	Rf6
62.	Rxf6+	Kxf6
63.	f5	Kg5
64.	Ke3	Kh5
65.	e5	Kg5
66.	f6	Kg6
67.	Kf4	h3
68.	gxh3	gxh3
69.	Kg3

Thursday, December 6, 2018

Black to play for a winning position

Live Chess, Chess.com
Analysis of KingsBishop (1626) vs. john2001plus (1840)


1
2
3
4
5
6
7
8

h

g

f

e

d

c

b

a

+2

(black to move)

1.	e4	e6
2.	d4	d5
3.	Nc3	Nf6
4.	Bg5	Bb4
5.	e5	h6
6.	Bd2	Bxc3
7.	Bxc3	Ne4
8.	Nf3	O-O
9.	Bd3	Nxc3
10.	bxc3	c5
11.	O-O	Nc6
12.	a3	Qa5
13.	Qe1	c4
14.	Be2	Qa4
15.	Qb1	b5
16.	Nd2	Qa5
17.	Qb2	Qb6
18.	a4	b4
19.	Nf3	bxc3
20.	Qxb6	axb6
21.	Rfb1	Bd7
22.	Rxb6	Rfb8
23.	Rxb8+	Rxb8
24.	a5	Ra8
25.	h3	Rb8
26.	a6	Na7
27.	g4	Rb2
28.	Bd1	Kf8
29.	Kf1	Ke7
30.	Ne1	Kd8
31.	f4	Kc7
32.	Kf2	Rb6
33.	Ke3	Bb5
34.	Nf3	Rxa6
35.	Rxa6	Bxa6
36.	Ng1	Nb5
37.	Ne2	Kb6
38.	f5	Bc8
39.	Kf4	Kc7
40.	h4	Kd8
41.	Ng3	Ke7
42.	Nh5	g6
43.	fxg6	fxg6
44.	Nf6	g5+
45.	hxg5	hxg5+
46.	Kxg5	Nxd4
47.	Kg6	Nc6
48.	Ng8+	Kf8
49.	Nf6	Nxe5+
50.	Kh5	Bd7
51.	g5	Be8+
52.	Kh6	Bg6
53.	Be2	Kf7
54.	Bh5	Bxh5
55.	Nxh5	d4
56.	Nf4	d3
57.	g6+	Nxg6
58.	Nxg6	dxc2

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;