Chess Level 05: July 2018

Tuesday, July 31, 2018

What is the strongest continuation for White?

Live Chess, Chess.com
Analysis of john2001plus (1816) vs. Coupra (2019)


8
7
6
5
4
3
2
1

a

b

c

d

e

f

g

h

0

(white to move)

1.	Nf3	d5
2.	d4	Nf6
3.	c4	e6
4.	Nc3	c5
5.	cxd5	exd5
6.	Bg5	cxd4
7.	Nxd4	Be7
8.	e3	O-O
9.	Bd3	Nc6
10.	O-O	Ne5
11.	Be2	h6
12.	Bh4	Ng6
13.	Bg3	a6
14.	Bf3	Bd6
15.	Qb3	Bxg3
16.	hxg3	Ne7
17.	Rad1	Qd6
18.	Rfe1	Rb8
19.	Nc2	Be6
20.	e4	d4
21.	Qa4	Nc6
22.	Nxd4

Monday, July 30, 2018

Black to play for equality

Itsyourturn.com, ?
Analysis of Coffey, John (2001) vs. Jumper (1700)


1
2
3
4
5
6
7
8

h

g

f

e

d

c

b

a

-3

(black to move)

1.	d4	d5
2.	c4	e6
3.	Nc3	Nf6
4.	Nf3	Be7
5.	Bg5	O-O
6.	Rc1	c6
7.	e3	h6
8.	Bxf6	Bxf6
9.	Bd3	Nd7
10.	O-O	e5
11.	cxd5	exd4
12.	Nxd4	cxd5
13.	Nxd5	Bxd4
14.	exd4	Nf6
15.	Nc7	Rb8
16.	Re1	a6
17.	d5	Bg4
18.	f3	Bh5
19.	g4	Qd6
20.	gxh5	Rfc8
21.	Qc2	Nxd5
22.	Nb5	Qb6+
23.	Qf2	Rxc1
24.	Rxc1	Qd8
25.	Rd1	axb5
26.	Bxb5	Qg5+
27.	Kh1	Qxh5

Friday, July 20, 2018

What is the strongest continuation for White?

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


8
7
6
5
4
3
2
1

a

b

c

d

e

f

g

h

+5

(white to move)

1.	Nf3	d5
2.	d4	Nc6
3.	c4	e6
4.	Nc3	Nf6
5.	Bg5	Be7
6.	e3	h6
7.	Bh4	dxc4
8.	Bxc4	Nd5
9.	Bxe7	Ncxe7
10.	O-O	c6
11.	e4	Nb6
12.	Bb3	O-O
13.	Re1	Qc7
14.	Rc1	Ng6
15.	d5	exd5
16.	exd5	cxd5
17.	Nxd5	Qd7
18.	Rc7	Qd8
19.	Rxf7	Kh8
20.	Rxf8+	Qxf8
21.	Nc7	Bg4
22.	Nxa8	Qxa8
23.	h3	Bh5
24.	g4	Bxg4
25.	hxg4	Qf8
26.	Ne5	Nxe5
27.	Rxe5	Qf6
28.	Re8+	Kh7
29.	Bg8+	Kh8
30.	Bf7+	Kh7
31.	Qc2+	g6
32.	Bxg6+	Kg7
33.	Qc7+	Kxg6
34.	Rg8+

Black to play and win

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


1
2
3
4
5
6
7
8

h

g

f

e

d

c

b

a

+2

(black to move)

1.	Nf3	Nf6
2.	Nc3	d5
3.	d4	c5
4.	e3	Nc6
5.	Bb5	Bg4
6.	O-O	e6
7.	h3	Bh5
8.	g4	Bg6
9.	Ne5	Rc8
10.	Ne2	Bd6
11.	Nxc6	bxc6
12.	Ba4	O-O
13.	c3	Ne4
14.	Bc2	Qh4
15.	f3	Qxh3
16.	f4	Qxg4+
17.	Kh2	Bf5
18.	Ng1	Qg3+
19.	Kh1	Qh4+
20.	Kg2	g5
21.	dxc5	Bxc5
22.	fxg5	Qxg5+
23.	Kh1	Qh4+
24.	Kg2	Kh8

What is the strongest continuation for White?

Casual Game, https://itsyourturn.com
John Coffey vs. keith28


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	dxc4
5.	e4	h6
6.	Bxc4	Bb4
7.	Qa4+	Nc6
8.	O-O	Bxc3
9.	d5	exd5
10.	exd5	Bd7
11.	dxc6	Bxc6
12.	Bb5	Bxb5
13.	Qxb5+	c6
14.	Qe2+	Qe7
15.	Qxe7+	Kxe7
16.	bxc3

Wednesday, July 18, 2018

Black to play and win

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


1
2
3
4
5
6
7
8

h

g

f

e

d

c

b

a

0

(black to move)

1.	Nf3	Nf6
2.	Nc3	d5
3.	d4	c5
4.	e3	Nc6
5.	Bb5	Bg4
6.	O-O	e6
7.	h3	Bh5
8.	g4	Bg6
9.	Ne5	Rc8
10.	Ne2	Bd6
11.	Nxc6	bxc6
12.	Ba4	O-O
13.	c3	Ne4
14.	Bc2	Qh4
15.	f3	Qxh3
16.	Rf2	Nxf2
17.	Kxf2	Bxc2
18.	Qxc2	Bg3+
19.	Nxg3	Qh2+
20.	Ke1	Qxc2

Tuesday, July 17, 2018

Black to play and win

Casual Game, https://itsyourturn.com
keith28 vs. John Coffey


1
2
3
4
5
6
7
8

h

g

f

e

d

c

b

a

+2

(black to move)

1.	d4	Nf6
2.	d5	e6
3.	dxe6	fxe6
4.	Nc3	Bb4
5.	Bd2	O-O
6.	g3	d5
7.	Bg2	c5
8.	e3	Nc6
9.	h3	e5
10.	Nge2	d4
11.	exd4	cxd4
12.	Ne4	Nxe4
13.	Bxe4	Qf6
14.	O-O	Bxh3
15.	Re1	Qxf2+
16.	Kh1	Bxd2
17.	Qxd2	Rf3
18.	Rg1	Rf5
19.	Bxf5	Bxf5
20.	Rg2	Be4
21.	Rag1	Qf5
22.	g4	Qxg4
23.	Qh6	gxh6
24.	Kh2	Bxg2
25.	Rxg2	Qxg2+

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;