|  | Event Name | Rating | Performance | Overall Results | Actual Results vs Rated Opponents | +/- Predicted | 
 |  | Helsinki ol (Men), 1952 | not rated on August 1952 list | 2463 | -1 (6/13, 46%) | = (3.5/7, 50%) vs 2453-rated opposition | N/A | 
 |  | Wch U20 final-A Copenhagen, 1953 | 2389 (#338 on January 1953 list) | [2423] | = (3.5/7, 50%) | -2 (0.5/3, 17%) vs 2536-rated opposition | -0.5 | 
 |  | Wch U20 qual-A Copenhagen, 1953 | 2389 (#338 on January 1953 list) | [2447] | +3 (6/9, 67%) | -1 (0.5/2, 25%) vs 2526-rated opposition | -0.2 | 
 |  | Hastings, 1953 | 2395 (#350 on December 1953 list) | 2567 | = (4.5/9, 50%) | = (4.5/9, 50%) vs 2576-rated opposition | +1.9 | 
 |  | Prague (Zonal), 1954 | 2466 (#218 on January 1954 list) | 2559 | +4 (11.5/19, 61%) | -1 (6/13, 46%) vs 2579-rated opposition | +1.2 | 
 
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 |  | Amsterdam ol (Men) fin-A, 1954 | 2506 (#146 on September 1954 list) | 2595 | = (5/10, 50%) | -1 (4/9, 44%) vs 2643-rated opposition | +1.0 | 
 |  | Amsterdam ol (Men) pre-I, 1954 | 2506 (#146 on September 1954 list) | [2506] | = (2/4, 50%) | -1 (1/3, 33%) vs 2593-rated opposition | -0.2 | 
 |  | Larsen-Olafsson I (Oslo), 1955 | 2565 (#79 on January 1955 list) | 2477 | -1 (3.5/8, 44%) | -1 (3.5/8, 44%) vs 2503-rated opposition | -1.1 | 
 |  | Olafsson-Pilnik I (Reykjavik), 1955 | 2565 (#79 on January 1955 list) | 2743 | +4 (5/6, 83%) | +4 (5/6, 83%) vs 2650-rated opposition | +2.6 | 
 |  | Hastings, 1955 | 2588 (#65 on December 1955 list) | 2666 | +5 (7/9, 78%) | +3 (5/7, 71%) vs 2595-rated opposition | +1.6 | 
 
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 |  | Moscow ol (Men) fin-B, 1956 | 2625 (#35 on September 1956 list) | 2647 | +4 (7/10, 70%) | +4 (6/8, 75%) vs 2539-rated opposition | +1.2 | 
 |  | Moscow ol (Men) prel, 1956 | 2625 (#35 on September 1956 list) | 2544 | +4 (6/8, 75%) | +1 (3/5, 60%) vs 2520-rated opposition | -0.1 | 
 |  | Hastings, 1956 | 2659 (#24 on December 1956 list) | 2655 | +3 (6/9, 67%) | +2 (5/8, 63%) vs 2619-rated opposition | +0.6 | 
 |  | Dallas, 1957 | 2673 (#18 on January 1957 list) | 2643 | -1 (6.5/14, 46%) | -1 (6.5/14, 46%) vs 2674-rated opposition | -0.5 | 
 |  | Hafnarfirdi, 1957 | 2673 (#18 on January 1957 list) | - | +1 (1/1, 100%) | no games vs rated opposition | N/A | 
 
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 |  | Reykjavik, 1957 | 2673 (#18 on January 1957 list) | 2570 | +6 (8.5/11, 77%) | +1 (3/5, 60%) vs 2556-rated opposition | -0.2 | 
 |  | Olafsson-Pilnik II (Reykjavik), 1957 | 2673 (#18 on January 1957 list) | 2623 | +1 (4.5/8, 56%) | +1 (4.5/8, 56%) vs 2615-rated opposition | =0.0 | 
 |  | Wageningen (Zonal), 1957 | 2673 (#18 on January 1957 list) | 2730 | +9 (13/17, 76%) | +9 (12.5/16, 78%) vs 2554-rated opposition | +2.3 | 
 |  | WchT U26 04th Reykjavik, 1957 | 2683 (#19 on July 1957 list) | 2574 | = (5/10, 50%) | +1 (4/7, 57%) vs 2556-rated opposition | -0.6 | 
 |  | WchT U26 fin-B 05th Varna, 1958 | 2682 (#17 on July 1958 list) | [2561] | +6 (6.5/7, 93%) | +2 (2/2, 100%) vs 2486-rated opposition | +0.5 | 
 
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 |  | WchT U26 prel-B 05th Varna, 1958 | 2682 (#17 on July 1958 list) | [2420] | -2 (0/2, 0%) | -2 (0/2, 0%) vs 2558-rated opposition | -1.3 | 
 |  | Portoroz (Interzonal), 1958 | 2675 (#20 on August 1958 list) | 2700 | +4 (12/20, 60%) | +4 (12/20, 60%) vs 2631-rated opposition | +1.0 | 
 |  | Moscow (Alekhine Memorial), 1959 | 2690 (#14 on January 1959 list) | 2611 | -1 (5/11, 45%) | -1 (5/11, 45%) vs 2649-rated opposition | -1.0 | 
 |  | Beverwijk (Hoogovens), 1959 | 2690 (#14 on January 1959 list) | 2686 | +6 (7.5/9, 83%) | +5 (6.5/8, 81%) vs 2552-rated opposition | +1.2 | 
 |  | Jóhannsson-Olafsson Match (Reykjavik), 1959 | 2690 (#14 on January 1959 list) | [2547] | +1 (2.5/4, 63%) | +1 (2.5/4, 63%) vs 2527-rated opposition | -0.3 | 
 
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 |  | Zurich, 1959 | 2683 (#19 on May 1959 list) | 2628 | +1 (8/15, 53%) | +1 (8/15, 53%) vs 2608-rated opposition | -0.8 | 
 |  | Bled/Zagreb/Belgrade (Candidates), 1959 | 2670 (#20 on September 1959 list) | 2639 | -8 (10/28, 36%) | -8 (10/28, 36%) vs 2730-rated opposition | -2.0 | 
 |  | Berg en Dal (Zonal), 1960 | 2659 (#26 on January 1960 list) | 2634 | +6 (7.5/9, 83%) | +4 (5.5/7, 79%) vs 2516-rated opposition | +0.8 | 
 |  | Mar del Plata, 1960 | 2660 (#25 on March 1960 list) | 2632 | +6 (10.5/15, 70%) | +5 (9.5/14, 68%) vs 2520-rated opposition | +0.2 | 
 |  | Buenos Aires, 1960 | 2661 (#23 on June 1960 list) | 2654 | +2 (10.5/19, 55%) | +2 (10.5/19, 55%) vs 2615-rated opposition | =0.0 | 
 
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 |  | Reykjavik, 1960 | 2662 (#21 on October 1960 list) | [2508] | = (2/4, 50%) | -1 (0.5/2, 25%) vs 2619-rated opposition | -0.6 | 
 |  | Beverwijk (Hoogovens), 1961 | 2657 (#22 on January 1961 list) | 2545 | +1 (5/9, 56%) | = (4/8, 50%) vs 2552-rated opposition | -1.0 | 
 |  | Moscow, 1961 | 2657 (#22 on January 1961 list) | 2658 | +3 (7/11, 64%) | +2 (6/10, 60%) vs 2622-rated opposition | +0.6 | 
 |  | Marianske Lazne (Zonal), 1961 | 2652 (#25 on July 1961 list) | 2707 | +10 (12.5/15, 83%) | +8 (10.5/13, 81%) vs 2528-rated opposition | +2.1 | 
 |  | Bled, 1961 | 2673 (#18 on September 1961 list) | 2626 | -2 (8.5/19, 45%) | -2 (8/18, 44%) vs 2660-rated opposition | -1.3 | 
 
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 |  | Stockholm (Interzonal), 1962 | 2659 (#23 on January 1962 list) | 2642 | +2 (12/22, 55%) | +1 (10.5/20, 53%) vs 2619-rated opposition | -0.5 | 
 |  | Varna ol (Men), 1962 | 2654 (#21 on September 1962 list) | 2655 | +10 (14/18, 78%) | +8 (11.5/15, 77%) vs 2482-rated opposition | +1.0 | 
 |  | Los Angeles (Piatigorsky Cup), 1963 | 2658 (#22 on January 1963 list) | 2699 | +1 (7.5/14, 54%) | +1 (7.5/14, 54%) vs 2692-rated opposition | +1.1 | 
 |  | Reykjavik, 1964 | 2670 (#21 on January 1964 list) | 2559 | +5 (9/13, 69%) | +1 (4/7, 57%) vs 2536-rated opposition | -0.6 | 
 |  | Reykjavik, 1966 | 2599 (#61 on January 1966 list) | 2599 | +7 (9/11, 82%) | +4 (5/6, 83%) vs 2463-rated opposition | +1.0 | 
 
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 |  | La Habana ol (Men) fin-A Havana, 1966 | 2562 (#99 on October 1966 list) | 2621 | = (6/12, 50%) | = (6/12, 50%) vs 2631-rated opposition | +1.0 | 
 |  | La Habana ol (Men) prel Havana, 1966 | 2562 (#99 on October 1966 list) | [2582] | +5 (5.5/6, 92%) | +3 (3.5/4, 88%) vs 2469-rated opposition | +1.1 | 
 |  | Dundee, 1967 | 2623 (#44 on January 1967 list) | 2595 | +3 (5.5/8, 69%) | +2 (4.5/7, 64%) vs 2543-rated opposition | +0.3 | 
 |  | Reykjavik, 1968 | 2619 (#51 on June 1968 list) | 2583 | +6 (10/14, 71%) | +1 (5/9, 56%) vs 2562-rated opposition | -0.1 | 
 |  | Athens (Zonal), 1969 | 2628 (#41 on January 1969 list) | 2528 | +2 (9.5/17, 56%) | = (7.5/15, 50%) vs 2514-rated opposition | -2.0 | 
 
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 |  | ISL-ch Reykjavik, 1969 | 2628 (#41 on January 1969 list) | 2524 | +7 (9/11, 82%) | +3 (4.5/6, 75%) vs 2408-rated opposition | -0.1 | 
 |  | Wijk aan Zee (Hoogovens), 1969 | 2628 (#41 on January 1969 list) | 2677 | +4 (9.5/15, 63%) | +4 (9.5/15, 63%) vs 2597-rated opposition | +1.5 | 
 |  | Lugano, 1970 | 2627 (#44 on January 1970 list) | 2689 | +3 (8.5/14, 61%) | +3 (8.5/14, 61%) vs 2633-rated opposition | +1.6 | 
 |  | Reykjavik, 1970 | 2627 (#44 on January 1970 list) | 2512 | +4 (9.5/15, 63%) | +1 (6.5/12, 54%) vs 2474-rated opposition | -1.7 | 
 |  | Belgrade URS-World, 1970 | 2624 (#44 on March 1970 list) | [2567] | -1 (0/1, 0%) | -1 (0/1, 0%) vs 2743-rated opposition | -0.4 | 
 
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 |  | Reykjavik, 1971 | 2631 (#44 on January 1971 list) | - | +1 (1.5/2, 75%) | no games vs rated opposition | N/A | 
 |  | Wijk aan Zee (Hoogovens), 1971 | 2631 (#44 on January 1971 list) | 2685 | +4 (9.5/15, 63%) | +3 (8.5/14, 61%) vs 2629-rated opposition | +1.5 | 
 |  | Moscow (Alekhine Memorial), 1971 | 2647 (#33 on November 1971 list) | 2647 | -2 (7.5/17, 44%) | -2 (7.5/17, 44%) vs 2688-rated opposition | -0.2 | 
 |  | Reykjavik, 1972 | 2645 (#35 on January 1972 list) | 2685 | +2 (3.5/5, 70%) | +2 (3.5/5, 70%) vs 2661-rated opposition | +1.1 | 
 |  | Ribe 6 Nations tt, 1973 | 2656 (#32 on August 1973 list) | 2538 | = (2.5/5, 50%) | = (2.5/5, 50%) vs 2560-rated opposition | -0.6 | 
 
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 |  | Las Palmas, 1974 | 2635 (#42 on January 1974 list) | 2689 | +5 (10/15, 67%) | +5 (10/15, 67%) vs 2589-rated opposition | +1.7 | 
 |  | Reykjavik, 1974 | 2635 (#42 on January 1974 list) | 2446 | -3 (2/7, 29%) | -4 (1/6, 17%) vs 2604-rated opposition | -2.2 | 
 |  | Arrecife de Lanzarote, 1974 | 2630 (#46 on May 1974 list) | 2557 | +3 (7/11, 64%) | +1 (5/9, 56%) vs 2531-rated opposition | -0.5 | 
 |  | Nice ol (Men) fin-B, 1974 | 2619 (#56 on June 1974 list) | [2493] | = (4/8, 50%) | = (2/4, 50%) vs 2507-rated opposition | -0.5 | 
 |  | Nice ol (Men) prel, 1974 | 2619 (#56 on June 1974 list) | 2566 | +3 (5.5/8, 69%) | +2 (3.5/5, 70%) vs 2503-rated opposition | +0.3 | 
 
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 |  | Reykjavik (Zonal), 1975 | 2594 (#83 on January 1975 list) | 2649 | +6 (10/14, 71%) | +3 (6/9, 67%) vs 2578-rated opposition | +1.3 | 
 |  | Tallinn, 1975 | 2594 (#83 on January 1975 list) | 2669 | +4 (9.5/15, 63%) | +4 (9.5/15, 63%) vs 2588-rated opposition | +1.9 | 
 |  | Teeside, 1975 | 2594 (#83 on January 1975 list) | 2631 | = (7/14, 50%) | = (7/14, 50%) vs 2636-rated opposition | +0.7 | 
 |  | Las Palmas, 1975 | 2604 (#78 on April 1975 list) | 2679 | +5 (9.5/14, 68%) | +4 (8.5/13, 65%) vs 2596-rated opposition | +1.9 | 
 |  | Novi Sad, 1976 | 2645 (#45 on January 1976 list) | [2521] | -1 (1.5/4, 38%) | -1 (1.5/4, 38%) vs 2598-rated opposition | -0.7 | 
 
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 |  | Wijk aan Zee (Hoogovens), 1976 | 2645 (#45 on January 1976 list) | 2716 | +4 (7.5/11, 68%) | +4 (7.5/11, 68%) vs 2635-rated opposition | +1.9 | 
 |  | Amsterdam, 1976 | 2665 (#31 on May 1976 list) | 2628 | -1 (2.5/6, 42%) | -1 (2.5/6, 42%) vs 2713-rated opposition | -0.2 | 
 |  | Amsterdam (IBM), 1976 | 2661 (#31 on July 1976 list) | 2590 | -1 (7/15, 47%) | -1 (7/15, 47%) vs 2608-rated opposition | -1.4 | 
 |  | Reykjavik, 1976 | 2646 (#44 on September 1976 list) | 2683 | +7 (11/15, 73%) | +4 (6.5/9, 72%) vs 2587-rated opposition | +1.4 | 
 |  | Gluecksburg tt, 1977 | 2656 (#37 on January 1977 list) | [2504] | = (2.5/5, 50%) | +2 (2.5/3, 83%) vs 2408-rated opposition | +0.1 | 
 
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 |  | Telechess ol1 7778 telex, 1977 | 2656 (#37 on January 1977 list) | [2440] | -2 (0/2, 0%) | -2 (0/2, 0%) vs 2587-rated opposition | -1.2 | 
 |  | Wijk aan Zee (Hoogovens), 1977 | 2656 (#37 on January 1977 list) | 2631 | +1 (6/11, 55%) | +1 (6/11, 55%) vs 2618-rated opposition | =0.0 | 
 |  | Bad Lauterberg (FRG Championship), 1977 | 2655 (#39 on March 1977 list) | 2642 | +1 (8/15, 53%) | +1 (8/15, 53%) vs 2624-rated opposition | -0.1 | 
 |  | Geneve, 1977 | 2656 (#38 on April 1977 list) | 2571 | -2 (5.5/13, 42%) | -2 (5.5/13, 42%) vs 2618-rated opposition | -1.6 | 
 |  | Tilburg, 1977 | 2644 (#48 on September 1977 list) | 2549 | -5 (3/11, 27%) | -5 (3/11, 27%) vs 2689-rated opposition | -1.9 | 
 
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 |  | Las Palmas, 1978 | 2628 (#60 on January 1978 list) | 2653 | +5 (10/15, 67%) | +4 (9/14, 64%) vs 2567-rated opposition | +1.0 | 
 |  | Reykjavik, 1978 | 2629 (#59 on February 1978 list) | 2663 | +2 (7.5/13, 58%) | +2 (7/12, 58%) vs 2626-rated opposition | +1.0 | 
 |  | Buenos Aires ol (Men), 1978 | 2635 (#49 on October 1978 list) | [2519] | +2 (3.5/5, 70%) | +1 (2.5/4, 63%) vs 2489-rated opposition | -0.2 | 
 |  | Munich (FRG Championship), 1979 | 2631 (#58 on February 1979 list) | 2606 | = (6.5/13, 50%) | = (5.5/11, 50%) vs 2616-rated opposition | -0.2 | 
 |  | ISL-ch, 1980 | 2615 (#74 on January 1980 list) | - | = (1.5/3, 50%) | no games vs rated opposition | N/A | 
 
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 |  | Buenos Aires, 1980 | 2598 (#93 on October 1980 list) | 2632 | -1 (6/13, 46%) | -1 (6/13, 46%) vs 2665-rated opposition | +0.5 | 
 |  | Malta ol (Men) La Valetta, 1980 | 2611 (#76 on November 1980 list) | 2577 | -1 (2.5/6, 42%) | -1 (2/5, 40%) vs 2660-rated opposition | -0.2 | 
 |  | Telechess ol2 8182 telex, 1981 | 2607 (#75 on January 1981 list) | [2566] | = (0.5/1, 50%) | = (0.5/1, 50%) vs 2657-rated opposition | +0.1 | 
 |  | Reykjavik op, 1982 | 2597 (#109 on February 1982 list) | 2423 | -1 (5/11, 45%) | -2 (3.5/9, 39%) vs 2464-rated opposition | -2.4 | 
 |  | Wijk aan Zee (Hoogovens), 1983 | 2543 (#226 on January 1983 list) | 2595 | -2 (5.5/13, 42%) | -2 (5.5/13, 42%) vs 2646-rated opposition | +0.6 | 
 
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 |  | Reykjavik op, 1984 | 2549 (#228 on February 1984 list) | 2475 | +1 (6/11, 55%) | -2 (3/8, 38%) vs 2536-rated opposition | -1.1 | 
 |  | Nordic-USA Reykjavik, 1986 | 2500 (#445 on January 1986 list) | [2533] | = (0.5/1, 50%) | = (0.5/1, 50%) vs 2603-rated opposition | +0.1 | 
 |  | Reykjavik, 1990 | not rated on March 1990 list | [2476] | -1 (0/1, 0%) | -1 (0/1, 0%) vs 2598-rated opposition | N/A | 
 |  | Women-Veterans Vienna, 1993 | not rated on June 1993 list | 2451 | -4 (4/12, 33%) | -4 (4/12, 33%) vs 2535-rated opposition | N/A | 
 |  | Reykjavik Olafsson, 1995 | not rated on September 1995 list | 2495 | -2 (4.5/11, 41%) | -2 (4.5/11, 41%) vs 2539-rated opposition | N/A | 
 
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 |  | Chess@iceland-A Kopavogur, 2000 | not rated on April 2000 list | 2537 | -2 (1.5/5, 30%) | -2 (1.5/5, 30%) vs 2653-rated opposition | N/A | 
 |  | Jonsson mem op Reykjavik, 2001 | not rated on October 2001 list | 2434 | +2 (6/10, 60%) | -1 (2.5/6, 42%) vs 2461-rated opposition | N/A | 
 |  | Larsen-Olafsson II (Reykjavik), 2003 | not rated on November 2003 list | - | +2 (5/8, 63%) | no games vs rated opposition | N/A |