ch-Fr-B-2020


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150mn

1

Give the key.

Rauf Aliovsadzade
Problemesis
2005

white Ba2b4 Kd7 Qg5 Pb2 Sf3f5 Rb3d2 black Pe7f6c6b5 Sd8e2 Re8 Kc4 Ba7
#2(9+9)

2

Give the key.

Herbert Ahues
1st Prize
Arbeijder-Skak 1960

white Qd5 Kh4 Rh6d3 Sf3c4 Bb2b1 black Kf5 Pf7f6g4f4e5d6 Re4b4 Bh1a5 Sb5
#2(8+12)

3

Give the key, threats and variations
. until the white move that precedes checkmate.

Nikolay Malakhov
, 1st Prize, Shakhmatny
Listok 1925

white Qh4 Pf7e6c4a3e2f3 Ke7 Rd6 Sd4 black Pc6b6a4f4f5 Kc5 Bh7h2 Sf1
#3(10+9)

4

Give the key, threats and variations
. until the white move that precedes checkmate.

Peter R. Jaeger
, 1st Honor Mention
, Neue Zürcher Zeitung 1983

white Bc4h2 Kh7 Qh8 Pe3 Sd5c6 Rf6 black Pa2b3c2h6g6 Ke4 Rg3 Sc7f1 Bg5
#3(8+10)

5

Give the solution up to the white move that precedes checkmate.

Fritz Giegold
2nd Honor Mention
Deutsche Schachblätter 1966

white Pa4f4f3 Sb6e2 Bc7 Kd6 black Pb7a6a5e5 Ka7
#4(7+5)

6

Give the solution up to the white move that precedes checkmate.

Josef Breuer
Die Schwalbe
1937

white Rb2 Kd1 Bh8 black Ka1 Pd7f5f4f2d2b3a2 Sh2 Rh4 Be1
#6(3+11)

7

Give main variation.

T. Gorgiev
3rd Honor Mention
tm05#188 1928

white Sh3 Pb5c4 Kf4 Rd2 Bh6 black Pc6f5 Kc7 Rd6 Sc3 Bh4
+(6+6)

8

Give main variation.

Julio Peris Pardo &
Francisco Quesada, 1st -2nd HM
1943-44

white Sh6 Rg8 Ke2 black Ph2 Sd8f7 Kh7
=(3+4)

9

Giving the key, threats and variations
. until the white move that precedes checkmate.

Viktor Chepizhnyi
3rd Prize
diagrammes 1999

white Bb1a7 Kc4 Qc3 Pd6 Sd3b7 Re8f6 black Bb4f1 Ke4 Qa4 Pc6a5b3 Sf7e6 Ra3c2
s#2(9+11)

10

Give full variations.

Petko A. Petkov
1st Prize
Schach-Echo 1970-II

white Qh4 Pg3c3c5 Kf4 Rh6g5 Bf3e3 black Bd1a7 Kb5 Qb2 Pg2e2a5c7 Sa4 Rf2
h#2 2sol.(9+10)

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