Böök, Eero
Ratings
| Year |
Rank |
Edo |
Dev. |
Games |
| 1928 |
284 |
2298 | (80) | 1 |
| 1929 |
247 |
2313 | (69) | 0 |
| 1930 |
227 |
2328 | (55) | 11 |
| 1931 |
272 |
2316 | (49) | 10 |
| 1932 |
290 |
2307 | (44) | 19 |
| 1933 |
205 |
2338 | (44) | 7 |
| 1934 |
134 |
2378 | (39) | 22 |
| 1935 |
75 |
2419 | (30) | 55 |
| 1936 |
81 |
2419 | (31) | 41 |
| 1937 |
76 |
2421 | (32) | 35 |
| 1938 |
79 |
2417 | (39) | 11 |
| 1939 |
70 |
2424 | (42) | 18 |
| 1940 |
63 |
2432 | (55) | 0 |
| 1941 |
59 |
2439 | (60) | 0 |
| 1942 |
44 |
2447 | (62) | 0 |
| 1943 |
35 |
2455 | (60) | 0 |
| 1944 |
35 |
2462 | (54) | 0 |
| 1945 |
30 |
2470 | (40) | 25 |
| 1946 |
38 |
2455 | (35) | 44 |
| 1947 |
35 |
2464 | (39) | 37 |
Rating table notes
|
| Biographical data |
| Name: Böök, Eero Einar |
| Born: 9 Feb. 1910 |
| Died: 7 Jan. 1990 |
| |
| Notes: |
| Gaige has name as 'Böök, Eero [Einar]'. |
|
| |
| References |
| Books |
| Di Felice, Chess Results, 1921-1930, page 272 |
| Di Felice, Chess Results, 1931-1935, page 376 |
| Di Felice, Chess Results, 1936-1940, page 348 |
| Di Felice, Chess Results, 1941-1946, page 335 |
| Di Felice, Chess Results, 1947-1950, page 453 |
| Gaige, Chess Personalia, page 47 |
| Gaige, Chess Tournament Crosstables IV, page 893 |
| Woodger, Reuben Fine, page 348 |
| |
Match data (f=formal; c=casual; s=soft)
| Book, E.E. - Chepurnov, A.A. 1931 |
(f) |
5.5 | - | 4.5 |
|
| Krogius, A.R. - Book, E.E. 1932 |
(f) |
7 | - | 3 |
|
| Karlin, O. - Book, E.E. 1934 |
(f) |
2 | - | 0 |
|
| Book, E.E. - Rasmussen, R. 1934 |
(f) |
5.5 | - | 3.5 |
|
| Stahlberg, A.G.T. - Book, E.E. 1935 |
(f) |
3 | - | 1 |
|
Tournament data
| Helsinki 1928 |
Tallinn - Helsinki Match |
| | | | | | |
|
Book, E.E. - Rotberg, F. |
1 - 0 |
| | | |
| Helsinki 1930 (1) |
5th Finnish Chess Federation Congress - Championship |
8.5 | / | 11 |
| | | |
| Helsinki 1932 (2) |
Helsinki Tournament |
7 | / | 9 |
| | | |
| Helsinki 1933 |
Helsinki Tournament |
4 | / | 7 |
| | | |
| Helsinki 1934 |
Finnish Championship |
9.5 | / | 11 |
| | | |
| Helsinki 1935 (1) |
Finnish Championship |
8.5 | / | 10 |
| | | |
| Helsinki 1935 (2) |
Helsinki Tournament |
5.5 | / | 7 |
| | | |
| Tallinn 1935 (2) |
Tallinn Tournament |
4 | / | 8 |
| | | |
| Warsaw 1935 (2) |
6th Olympiad |
11 | / | 18 |
| | | |
| Helsinki 1935 (4) |
Helsinki Tournament |
4 | / | 8 |
| | | |
| Helsinki 1936 (1) |
Finnish Championship |
5 | / | 6 |
| | | |
| Helsinki 1936 (4) |
Nordic Championship |
5.5 | / | 7 |
| | | |
| Munich 1936 |
Unofficial Olympiad |
9.5 | / | 19 |
| | | |
| Helsinki 1936 (5) |
Helsinki Club 50th Anniversary Tournament |
6 | / | 9 |
| | | |
| Kemeri 1937 |
Kemeri Tournament |
7.5 | / | 17 |
| | | |
| Stockholm 1937 (3) |
7th Olympiad |
10.5 | / | 18 |
| | | |
| Margate 1938 (1) |
Margate Premier Tournament |
5 | / | 9 |
| | | |
| Tallinn 1938 (2) |
Estonia - Finland Match |
| | | | | | |
|
Book, E.E. - Schmidt, P.F. |
0.5 - 1.5 |
| | | |
| Helsinki 1939 |
3rd SELL Baltic Student Olympiad |
0.5 | / | 3 |
| | | |
| Kemeri and Riga 1939 |
Kemeri-Riga Tournament |
10 | / | 15 |
| | | |
| Stockholm 1945 (1) |
Stockholm Tournament |
9 | / | 11 |
| | | |
| Stockholm 1945 (2) |
Sweden - Finland Match |
| | | | | | |
|
Book, E.E. - Lundholm, S.G. |
1 - 1 |
| | | |
| Stockholm 1945 (3) |
Sodra Club Jubilee Tournament |
6.5 | / | 9 |
| | | |
| Goteborg 1945 |
Goteborg Quadrangular Tournament |
2 | / | 3 |
| | | |
| Helsinki 1946 (1) |
13th Finnish Championship |
6.5 | / | 8 |
| | | |
| Goteborg 1946 |
Goteborg Tournament |
5 | / | 7 |
| | | |
| Helsinki 1946 (2) |
Helsinki Tournament |
4.5 | / | 9 |
| | | |
| Helsinki 1946 (3) |
Finland - Sweden Match |
| | | | | | |
|
Book, E.E. - Ekstrom, N.J.A.F. |
0 - 2 |
| | | |
| Abo 1946 |
Turku Tournament |
6 | / | 7 |
| | | |
| Leningrad 1946 (3) |
Leningrad International Tournament |
7 | / | 11 |
| | | |
| Stockholm 1947 (1) |
Stockholm Tournament |
6 | / | 9 |
| | | |
| Helsinki 1947 (1) |
Helsinki Tournament |
6.5 | / | 9 |
| | | |
| Helsinki 1947 (2) |
F.I.D.E. Zonal and Nordic Tournament - Major Section |
9 | / | 11 |
| | | |
|
Book, E.E. - Stoltz, G. |
4 - 4 |
| | | |
| Player information updated: 24 Feb. 2026 |
|
