Paavo Visa Kivi

Paavo Visa Kivi was a chess player, an International Judge
and a significant Finnish study composer.

Visa Kivi was a chess player, an International Judge and Finland's most distinguished endgame composer -

at least until Pauli Perkonoja.

He always used Visa as his first name.

Website chessgames.com

On Website chessgames.com is a chess-game ( (Helsinki 1949) ), where Kivi played with White against OSMO ILMARI KAILA​ (another study composer and strong chessplayer) which is worthy to take a look. 

White: KIvi 

Black: Kaila

1.e4 c6 2.d4 d5 3.exd5 cxd5 4.c4 dxc4 5.Bxc4 e6 6.Nc3 Nd7 7.d5 e5 8.Nf3 a6 9.O-O Ngf6 10.d6 Nb6 11.Bxf7+ Kxf7 12.Qb3+ Kg6 13.Nxe5+ Kh5 14.Ne2 Qe8 15.Qf3+ Bg4 16.Qxg4+ Nxg4 17.Ng3+ Kh4 18.Nf3#1-0  

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EG index gives the following interesting references to articles in EG about him:

Kivi Jubilee Tourney 1965 229-38 (7), p.349 (12)
Kivi Jubilee Tourney 1975-76 3152-60 (50)
Kivi 75th Jubilee Tourney 1981 4689-703 (70) [4693 - see p.436 (80)]
Kivi 80th Jubilee Tourney 1987 7543-53 (98)
Kivi Memorial Tourney 1991 16892-96 (177 supplement)

Kivi, V. Kivi JT 1975-76 528 (47)

Roycroft, A.J. Kivi MT 1991 247 (177 supplement)

Rusinek, J. Kivi 80th JT 1987 668 (98)

Kivi, V. obituary - 924 (102)

Source: Website ARVES

Others: 24 endgame studies with solution by Kivi are slected on ARVES.org