Thursday, January 9, 2020

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
hgfedcba
+4
(black to move)
1.d4Nf6
2.c4e6
3.d5Bc5
4.Nc3O-O
5.Nf3b5
6.e4exd5
7.cxd5b4
8.Na4Nxe4
9.Bd3Nxf2
10.Qc2Re8+
11.Kf1Nxh1
12.Nxc5d6
13.Nb3Ba6
14.Bg5f6
15.Bh4g5
16.Be1Qe7
17.Bd2Qe4
18.Nc1g4
19.Kg1gxf3
20.h3Qd4+
21.Kxh1fxg2+
22.Kxg2Kh8
23.Bf4Qxf4
24.Qf2Qg5+
25.Kf1Re5
26.h4Qg4
27.Qxf6+Kg8
28.Qd8+Kg7
29.Be2Qg3
30.Qxc7+Nd7
31.Qxd7+Kg8
 

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
hgfedcba
+1
(black to move)
1.d4Nf6
2.c4e6
3.d5Bc5
4.Nc3O-O
5.Nf3b5
6.e4exd5
7.cxd5b4
8.Na4Nxe4
9.Bd3Nxf2
10.Qc2Re8+
11.Kf1Nxh1
12.Nxc5d6
13.Nb3Ba6
14.Bg5f6
15.Bh4g5
16.Be1Qe7
17.Bd2Qe4
18.Nc1g4
19.Kg1gxf3
20.h3Qd4+
21.Kxh1fxg2+
22.Kxg2Kh8
23.Bxa6Rg8+
24.Kf3Nd7
25.Be3Qxd5+
26.Qe4Ne5+
27.Kf4Ng6+
28.Kf3Nh4+
29.Kf4Qg5#
 
Click here for 26. Ke2.

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
hgfedcba
+3
(black to move)
1.d4Nf6
2.c4e6
3.d5Bc5
4.Nc3O-O
5.Nf3b5
6.e4exd5
7.cxd5b4
8.Na4Nxe4
9.Bd3Nxf2
10.Qc2Re8+
11.Kf1Nxh1
12.Nxc5d6
13.Nb3Ba6
14.Bg5f6
15.Bh4g5
16.Be1Qe7
17.Bd2Qe4
18.Nc1g4
19.Kg1Bxd3
20.Qxd3Qxd3
21.Nxd3gxf3
22.gxf3Re2
23.Bxb4Na6
24.Bc3Re3
25.Ne1Nc5
26.Kxh1Rae8
27.Kg2Re2+
28.Kg3Na4
29.Nd3Re8e3
30.Nf4Nxc3
31.Nxe2Nxe2+
32.Kf2Re5
33.Rd1Nf4
34.Rd4Nxd5
35.Ra4c5
36.Rxa7Nb4
37.Rd7Nd3+
38.Kg3Rg5+
39.Kh3d5
40.a4Nf4+
41.Kh4d4
42.a5Rd5
43.Rc7d3
44.a6d2
45.a7Ng6+
46.Kh3d1=Q
47.a8=Q+Nf8
48.Kh4Qe1+
49.Kg4Qg1+
50.Kf4Rd4+
51.Kf5Qg6#