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George Mackenzie vs George MacDonnell
MacDonnell - Mackenzie (1862/63), London ENG, rd 10, Jan-??
Formation: Hippopotamus (A00)  ·  1-0

8
7
6
5
4
3
2
a
1
b
c
d
e
f
g
h
White to move.
ANALYSIS [x]
Notes by Stockfish 9 v010218 (minimum 6s/ply)better is 4.Nf3 d5 5.Nc3 Ne7 6.h4 h5 7.Bg5 O-O 8.Bd3 b6 9.O-O ⩲ +0.63 (23 ply)better is 4...d5 5.exd5 exd5 6.Nf3 Ne7 7.O-O O-O 8.c3 Nbc6 = +0.02 (30 ply)better is 5.Nf3 d5 6.Nbd2 c5 7.c3 c4 8.Bc2 O-O 9.e5 Nf5 10.Bf4 ⩲ +0.64 (24 ply) 5...d5 6.Nf3 O-O 7.Qd2 c5 8.exd5 exd5 9.Bh6 c4 = +0.03 (27 ply) 6.Qd2 Nbc6 7.Nf3 O-O 8.h4 h5 9.O-O Bb7 10.Ne2 d5 ⩲ +0.99 (23 ply)better is 6...d5 7.h4 dxe4 8.Nxe4 h6 9.Qd2 Nbc6 10.O-O-O Nd5 = +0.05 (24 ply)better is 7.h4 h5 8.Qd2 d6 9.O-O-O Nd7 10.Nf4 a6 11.d5 exd5 ⩲ +0.64 (24 ply)= 0.00 (27 ply)better is 8...d5 9.Rad1 Nbc6 10.Bh6 Nb4 11.Qf4 c5 12.Bxg7 Kxg7 = -0.05 (25 ply)better is 9.Rad1 Nd7 10.Bh6 a6 11.a3 Re8 12.Bxg7 Kxg7 13.Rfe1 b5 ⩲ +0.67 (24 ply)= +0.07 (24 ply) after 9...c5 10.dxc5 dxc5 11.f4 Nbc6 12.Rad1 Nb4 13.Bb5 Qxd2 better is 10.Rad1 c5 11.Be2 cxd4 12.Bxd4 Nf6 13.f4 d5 14.f5 Nc6 ⩲ +0.56 (24 ply)= -0.16 (29 ply) 11...cxd4 12.Nxd4 Nc5 13.f4 Nxd3 14.Qxd3 d5 15.e5 Re8 = -0.22 (25 ply) ⩲ +0.55 (21 ply)better is 13...Bxh6 14.Qxh6 Kh8 15.Rd1 Nf6 16.f3 Neg8 17.Qh3 e5 = +0.14 (25 ply) ⩲ +0.84 (25 ply) after 14.h4 Bxh6 15.Qxh6 Kh8 16.h5 Ng8 17.Qg5 c4 18.Bc2 Ngf6 better is 15.h4 Ng8 16.h5 b5 17.f3 Ngf6 18.Kf2 Qb6 19.Rh1 e5 20.b4 ⩲ +0.71 (24 ply) 15...b5 16.h4 Qb6 17.h5 cxd4 18.cxd4 Nc6 19.Bc2 h6 20.f4 = +0.08 (24 ply) 16.d5 exd5 17.exd5 Qc7 18.Nf4 Rhf8 19.Nfh5+ Kh8 20.Qh6 ± +2.27 (28 ply) 16...h5 17.Qg5 f6 18.Qd2 c4 19.Bc2 b5 20.Nf4 Nf8 21.e5 ⩲ +0.58 (23 ply) 17.h5 e5 18.f4 Rhf8 19.fxe5 dxe5 20.d5 Qd6 21.c4 Kh7 ± +1.59 (24 ply) 17...c4 18.Bc2 Nf6 19.h5 e5 20.Nfe2 Rhf8 21.b3 Rc8 22.f4 = +0.35 (25 ply) 18.h5 g5 19.Nh3 c4 20.Bc2 e5 21.f4 gxf4 22.Nxf4 exf4 ⩲ +1.23 (25 ply) 18...Nf6 19.b3 h5 20.Nfe2 Nc6 21.Bb5 a6 22.Bxc6 Bxc6 = +0.31 (23 ply) ± +1.52 (22 ply) 19...g5 20.Nfe2 Rhf8 21.f4 gxf4 22.Qxf4 e5 23.dxe5 dxe5 ⩲ +1.19 (23 ply)+- +2.76 (26 ply) 21.Nfh5+ Kf8 22.dxc5 Nxc5 23.f4 Nxd3 24.Qxd3 Ke7 25.Rd1 +- +2.61 (25 ply) 21...Nxf4 22.Qxf4 Qg5 23.exd6 Rd8 24.Be4 Bc8 25.dxc5 ⩲ +1.31 (28 ply)+- +6.85 (26 ply)+- mate-in-10 after 31...exf5 32.e6+ Ke7 33.Qg5+ Kd6 34.e7 Kc736...Ra8 37.e8=N+ Rxe8 38.Rxe8 f4 39.Kf2 b5 40.Bc2 Bc6 +- +7.95 (29 ply)1-0

rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR w KQkq - 0 1
FEN COPIED

Annotations by Stockfish (Computer).      [35434 more games annotated by Stockfish]

find similar games 10 more Mackenzie/G MacDonnell games
sac: 32.Rxf5+ PGN: download | view | print Help: general | java-troubleshooting

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Kibitzer's Corner
Mar-04-10
Premium Chessgames Member
  Chessical: MacDonnell maintains his radical defence (see Mackenzie vs G MacDonnell, 1862) and again adopts a dual fianchetto and a restricted centre, but now varies his strategy by pushing for an early <c5> rather than <f5>.

Mackenzie plays cautiously avoiding <9.f4>, but unlike in Game 8 he now plays <Bh6> to be rid of the fianchettoed Black square Bishop.

<15...Rh8> seems rather passive as either <15....c4> or <15.....e5> would have begun Q-side counterplay.

<16....h5> would have stymied Mackenzie's plans on the K-side for the time being. MacDonnell does not seem to understand the threat he is facing.

After being presented with <19....R(e)g8?> Mackenzie rips his opponent's King-side apart in an extremely accurate manner.

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