Two uncommon progressive variants (2/2)

KIWI PROGRESSIVE CHESS
======================
Same as Scottish Progressive Chess except that mate may be delivered only in a move series with no captures.

Some games:

1. e4
2. d5 Kd7
3. e:d5 Nf3 Bb5+
4. Kd6 Bg4 B:f3 B:d1
5. c4 Nc3 d4 Ne4 #

r n . q . b n r
p p p . p p p p
. . . k . . . .
. B . O . . . .
. . O O N . . .
. . . . . . . .
O O . . . O O O
R . B b K . . R

 1. f3
 2. e5 h5
 3. Bh5 Be6 B:f6+
 4. K:f6 Qh4 Q:h2 Q:h1
 5. d4 d:e Qd5 Q:h1 Qf3 +
 6. Ke6 b5 Bb7 B:f3 Nh6 Bb4 +
 7. c3 c:b4 N:f3 B:h6 B:g7 B:h8 Nc3
 8. a5 a:b4 b:c3 c2 Kd5 Kc4 R:a2 c1Q +
 9. R:c1 +
10. Kd5 R:b2 c6 c5 c4 c3 h4 Rd2 c2 Rd1 +
11. R:d1 +
12. Kc4 Kc3 c1N Nb3 Nd4 Na6 Nc7 Nd5 Nf4 Ng2 #

. . . . . . . .
. . . p . . . .
. . . . . . . .
. p . . O . . .
. . . . . . . p
. . k . . N O .
. . . n O O n .
. . . R K . . .

 1. e4
 2. e5 Ke7
 3. d4 d:e5 Bg5+
 4. f6 e5 Bg4 B:d1
 5. Nc3 R:d1 R:d5 R:d8 R:f8
 6. Ke6 f:g5 Nh6 R:f8 R:f2 R:f1 +
 7. K:f1 h4 h:g5 g:h6 h:g7 Rh5 g8Q +
 8. Ke7 Na6 R:Q:g:b Rh2 R:R
 9. Ne2 Ng3 N:h5 Nb5 N:c7 N:a6 Nc5 N:b7 Kg1
10. K:h4[3] K:e5:e4[4] K:b7[3]
11. K:h7[6] Kc2[5]
12. K:a2...d7[7] a5 a4 a3 a2 a1Q
13. resign

. . . . . . . .
. . . . . . . .
. . . . . . . .
. . . . . . . .
. k . . . . . .
. . . . . . . .
. . K . . . . .
q . . . . . . .

This variant is slower than the Scottish one. The mate restriction adds more strategy to the move sequence, since mates are harder positions to get and so, both players may try different approaches without concerning about annoying Fool's mates.