Morphy v The Evans (part 11)

PAUL Morphy's next Evans' Gambit opponent with the white pieces was James Kipping, a banker who had a plus score against Adolf Anderssen.
Kipping - Morphy
Birmingham 1858
1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.b4 Bxb4 5.c3 Bc5 6.d4!?
Kipping postpones castling in favour of what was then a relatively new plan - now the most popular one - of immediately advancing in the centre.
6...exd4 7.cxd4 Bb6 8.d5!?
8.0-0 d6 would reach the Normal Position.
8...Na5 9.Bd3 d6
White's play has been double-edged. His light-square bishop is blocked by its own central pawns. On the other hand, White has more space and the black queen's knight is sidelined. The engines Stockfish10 and Komodo10 reckon White has full compensation for his sacrificed pawn.
10.Bb2 Nf6 11.h3 0-0 12.0-0 Nh5!?

The black king's knight eyes the undefended f4 square, but Morphy's main idea will be revealed by his next move

*****
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13.Qd2 f5!?
Opening the centre for White's light-bishop might seem strange, but an exchange on f5 (or e4) will also help Black's light-square bishop and his king's rook.
14.Na3!?
The engines' second-choice, but they prefer 14.e5!?, after which 14...dxe5 15.Bxe5 Qxd5 16.Nc3 leaves White two pawns down but with tremendous activity.
Instead of the text, the natural-looking 14.Nc3 fxe4 15.Nxe4 allows the interesting exchange-sac 15...Rxf3!? The position is not clear, and Black is by no means forced to sacrifice, but it is understandable Kipping did not trust 14.Nc3.
One point about the text is that 14...fxe4 can now be met by 15.Bxe4, which would lose material, if the white queen's knight were on c3, to 15...Nc4 16.Qc2 Nxb2 17.Qxb2 Ng3 etc.
14...Ng3 15.Rfe1 fxe4 16.Bxe4 Bf5 17.Bxf5 Nxf5
Stronger may have been 17...Rxf5.
18.Re4 Qd7 19.Bc3 Bc5 20.Nc2 b6 21.Qg5 Rae8 22.Rae1 Rxe4 23.Rxe4 h6 24.Qg4 Rf7 25.Re6 c6 26.Ncd4?
A mistake in a tricky position. The engines reckon 26.Bf6!, forcing 26...Ne7, is equal after 27.Bxe7 Rxe7 28.Rxe7 Qxe7 29.Qc8+.
26...cxd5 27.Qg6 Ne7 28.Qg3 Nac6 29.Nxc6?
White had to save his rook by, say, 29.Re2, but Black is well on top in the simplified position that follows 29...Nxd4 30.Nxd4 Nf5 31.Nxf5 Qxf5.
29...Qxe6 30.Nd8 Qg6 0-1
White resigns because 31.Nxf7?? loses to 31...Qxg3, while 31.Qxg6 Nxg6 32.Nxf7 Kxf7 is another simplified position that should be an easy win for Black.