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Chessmetrics Player Profile: Isaak Boleslavsky
   Born:    1919-Jun
   Best World Rank:    #3 (3 different months between the June 1950 rating list and the August 1950 rating list )
   Highest Rating:    2760 on the May 1950 rating list, #4 in world, age 30y11m
   Best Individual Performance:    2816 in Budapest (Candidates), 1950, scoring 12/18 (67%) vs 2721-rated opposition

  Graph   Best Performances   Career Details   Event Details   Ratings only
    Event Name  Rating   Performance   Overall Results   Actual Results vs Rated Opponents   +/- Predicted 
    Moscow (URS Championship), 1940  not rated on September 1940 list   2682   +4 (11.5/19, 61%)   +4 (11.5/19, 61%) vs 2610-rated opposition   N/A 
    Leningrad/Moscow (Absolute Championship), 1941  2668 (#15 on March 1941 list  2678   -2 (9/20, 45%)   -2 (9/20, 45%) vs 2712-rated opposition   +0.1 
    Kuibyshev, 1942  2667 (#14 on January 1942 list  [2632]   +7 (9/11, 82%)   +1 (2.5/4, 63%) vs 2644-rated opposition   +0.4 
    Moscow (Championship), 1942  2667 (#14 on January 1942 list  2645   +7 (11/15, 73%)   +2 (4.5/7, 64%) vs 2607-rated opposition   +0.5 
    Sverdlovsk, 1942  2667 (#14 on January 1942 list  [2514]   = (5/10, 50%)   -1 (1/3, 33%) vs 2605-rated opposition   -0.7 

    Sverdlovsk, 1943  2668 (#14 on January 1943 list  2615   = (7/14, 50%)   -1 (5.5/12, 46%) vs 2650-rated opposition   -0.8 
    Kiev, 1944  2673 (#12 on January 1944 list  [2612]   +1 (3.5/6, 58%)   = (0.5/1, 50%) vs 2731-rated opposition   +0.1 
    Moscow (URS Championship), 1944  2673 (#12 on January 1944 list  2667   +4 (10/16, 63%)   +2 (6.5/11, 59%) vs 2633-rated opposition   +0.5 
    Moscow (URS Championship), 1945  2689 (#8 on June 1945 list  2721   +7 (12/17, 71%)   +4 (8/12, 67%) vs 2642-rated opposition   +1.3 
    USA-URS radio m URS, 1945  2733 (#6 on September 1945 list  [2650]   +1 (1.5/2, 75%)   +1 (1.5/2, 75%) vs 2689-rated opposition   +0.4 

    ENG-URS radio corr, 1946  2746 (#6 on January 1946 list  -   = (1/2, 50%)   no games vs rated opposition   N/A 
    URS-USA Moscow, 1946  2746 (#6 on January 1946 list  [2565]   = (1/2, 50%)   = (1/2, 50%) vs 2633-rated opposition   -0.3 
    Groningen (Staunton Memorial), 1946  2738 (#4 on August 1946 list  2673   +3 (11/19, 58%)   +2 (9/16, 56%) vs 2637-rated opposition   -0.9 
    ENG-URS London, 1947  2718 (#9 on January 1947 list  [2571]   +2 (2/2, 100%)   +2 (2/2, 100%) vs 2500-rated opposition   +0.5 
    Parnu, 1947  2718 (#9 on January 1947 list  2689   +3 (8/13, 62%)   +2 (6.5/11, 59%) vs 2658-rated opposition   +0.2 

    Warsaw, 1947  2718 (#9 on January 1947 list  [2606]   +3 (6/9, 67%)   +1 (2.5/4, 63%) vs 2609-rated opposition   =0.0 
    Leningrad (URS Championship), 1947  2718 (#7 on February 1947 list  2727   +7 (13/19, 68%)   +5 (9.5/14, 68%) vs 2630-rated opposition   +1.0 
    Moscow (Chigorin Memorial), 1947  2739 (#5 on November 1947 list  2732   +5 (10/15, 67%)   +5 (9.5/14, 68%) vs 2635-rated opposition   +0.8 
    Saltsjobaden (Interzonal), 1948  2731 (#8 on July 1948 list  2739   +5 (12/19, 63%)   +5 (12/19, 63%) vs 2655-rated opposition   +0.8 
    Moscow (URS Championship), 1949  2732 (#9 on January 1949 list  2696   +4 (11.5/19, 61%)   +5 (11.5/18, 64%) vs 2604-rated opposition   -0.2 

    Boleslavsky-Bronstein Match (Candidates final, Moscow), 1950  2728 (#8 on January 1950 list  2712   -1 (6.5/14, 46%)   -1 (6.5/14, 46%) vs 2754-rated opposition   -0.1 
    Gorky, 1950  2728 (#8 on January 1950 list  [2458]   = (0.5/1, 50%)   = (0.5/1, 50%) vs 2484-rated opposition   -0.3 
    Moscow (URS Championship), 1950  2728 (#8 on January 1950 list  2645   +1 (9/17, 53%)   +1 (7.5/14, 54%) vs 2628-rated opposition   -1.1 
    Budapest (Candidates), 1950  2722 (#9 on April 1950 list  2816   +6 (12/18, 67%)   +6 (12/18, 67%) vs 2721-rated opposition   +3.0 
    Sverdlovsk, 1951  2737 (#7 on January 1951 list  2550   +2 (5.5/9, 61%)   +1 (3.5/6, 58%) vs 2527-rated opposition   -1.0 

    URS-chT Tbilisi, 1951  2737 (#7 on January 1951 list  [2633]   +1 (2/3, 67%)   +1 (2/3, 67%) vs 2653-rated opposition   +0.2 
    Boleslavsky-Keres Training Match (Voronovo), 1952  2719 (#7 on January 1952 list  [2703]   +1 (1.5/2, 75%)   +1 (1.5/2, 75%) vs 2769-rated opposition   +0.6 
    Moscow (URS Championship), 1952  2719 (#7 on January 1952 list  2683   +4 (11.5/19, 61%)   +3 (10.5/18, 58%) vs 2629-rated opposition   -0.4 
    Helsinki ol (Men), 1952  2714 (#9 on August 1952 list  2664   +6 (7/8, 88%)   +4 (5/6, 83%) vs 2548-rated opposition   +0.8 
    Bucharest, 1953  2723 (#10 on January 1953 list  2666   +5 (12/19, 63%)   +4 (10/16, 63%) vs 2586-rated opposition   -0.6 

    Garga (URS Training), 1953  2723 (#10 on January 1953 list  2734   +3 (6.5/10, 65%)   +3 (6.5/10, 65%) vs 2683-rated opposition   +1.0 
    Zurich (Candidates), 1953  2722 (#8 on August 1953 list  2717   -1 (13.5/28, 48%)   -1 (13.5/28, 48%) vs 2722-rated opposition   -0.5 
    Gorky, 1954  2726 (#10 on January 1954 list  2543   +1 (7.5/14, 54%)   -1 (3.5/8, 44%) vs 2585-rated opposition   -1.8 
    ARG-URS Buenos Aires, 1954  2723 (#11 on March 1954 list  [2534]   = (2/4, 50%)   = (2/4, 50%) vs 2562-rated opposition   -0.8 
    FRA-URS Paris, 1954  2714 (#12 on April 1954 list  -   +1 (1.5/2, 75%)   no games vs rated opposition   N/A 

    URU-URS Montevideo, 1954  2714 (#12 on April 1954 list  -   +2 (2/2, 100%)   no games vs rated opposition   N/A 
    ENG-URS London, 1954  2709 (#12 on July 1954 list  [2474]   +1 (1.5/2, 75%)   +1 (1.5/2, 75%) vs 2426-rated opposition   -0.2 
    SWE-URS Stockholm, 1954  2709 (#12 on July 1954 list  -   +2 (2/2, 100%)   no games vs rated opposition   N/A 
    BLR-POL m URS, 1955  2692 (#16 on January 1955 list  [2623]   +2 (3/4, 75%)   +2 (3/4, 75%) vs 2579-rated opposition   +0.5 
    POL-URS Lodz, 1955  2692 (#16 on January 1955 list  [2519]   +2 (2/2, 100%)   +2 (2/2, 100%) vs 2423-rated opposition   +0.4 

    URS-ch sf Minsk, 1955  2692 (#16 on January 1955 list  [2543]   +5 (6/7, 86%)   +1 (1.5/2, 75%) vs 2529-rated opposition   +0.1 
    Riga, 1955  2694 (#14 on November 1955 list  [2581]   = (2.5/5, 50%)   +1 (2/3, 67%) vs 2579-rated opposition   +0.1 
    JUG-URS Belgrade, 1956  2696 (#14 on January 1956 list  2639   +1 (4.5/8, 56%)   +1 (4.5/8, 56%) vs 2635-rated opposition   -0.1 
    Krynica, 1956  2696 (#14 on January 1956 list  2324   -8 (2.5/13, 19%)   -7 (1.5/10, 15%) vs 2489-rated opposition   -5.9 
    Kharkov, 1956  2696 (#14 on January 1956 list  2622   +5 (12/19, 63%)   +3 (8.5/14, 61%) vs 2555-rated opposition   -0.8 

    Leningrad (URS Championship), 1956  2696 (#14 on January 1956 list  2634   +1 (9/17, 53%)   +1 (8.5/16, 53%) vs 2614-rated opposition   -1.0 
    Minsk zt, 1957  2604 (#50 on January 1957 list  2580   +8 (13.5/19, 71%)   +2 (4.5/7, 64%) vs 2524-rated opposition   +0.3 
    Kiev, 1957  2604 (#50 on January 1957 list  2608   +4 (11.5/19, 61%)   +1 (7.5/14, 54%) vs 2586-rated opposition   +0.2 
    Leningrad, 1957  2604 (#50 on January 1957 list  [2644]   +3 (4/5, 80%)   +2 (3/4, 75%) vs 2608-rated opposition   +1.0 
    Moscow (URS Championship), 1957  2604 (#50 on January 1957 list  2679   +2 (11.5/21, 55%)   +2 (11.5/21, 55%) vs 2643-rated opposition   +1.9 

    EU-chT (Men) Vienna, 1957  2631 (#34 on August 1957 list  [2549]   +1 (3/5, 60%)   +1 (2.5/4, 63%) vs 2530-rated opposition   =0.0 
    URS-JUG Zagreb, 1958  2635 (#34 on January 1958 list  [2571]   = (2/4, 50%)   = (2/4, 50%) vs 2614-rated opposition   -0.1 
    Riga (URS Championship), 1958  2635 (#34 on January 1958 list  2686   +1 (9.5/18, 53%)   +1 (9.5/18, 53%) vs 2671-rated opposition   +1.3 
    Kiev, 1958  2646 (#30 on March 1958 list  2562   +2 (7.5/13, 58%)   +1 (3.5/6, 58%) vs 2543-rated opposition   -0.2 
    URS-chT Vilnius, 1958  2637 (#32 on July 1958 list  [2631]   = (0.5/1, 50%)   = (0.5/1, 50%) vs 2761-rated opposition   +0.1 

    Moscow-BLR, 1959  2633 (#33 on May 1959 list  [2696]   +1 (1.5/2, 75%)   +1 (1.5/2, 75%) vs 2758-rated opposition   +0.8 
    URS-chT Moscow, 1959  2642 (#32 on August 1959 list  [2588]   = (2/4, 50%)   = (1.5/3, 50%) vs 2650-rated opposition   =0.0 
    FRG-URS Hamburg, 1960  2641 (#33 on July 1960 list  2615   +4 (5.5/7, 79%)   +3 (4.5/6, 75%) vs 2527-rated opposition   +0.7 
    Debrecen, 1961  2641 (#30 on January 1961 list  2565   +6 (9.5/13, 73%)   +3 (6.5/10, 65%) vs 2478-rated opposition   -0.4 
    Minsk, 1961  2641 (#30 on January 1961 list  [2469]   = (0.5/1, 50%)   = (0.5/1, 50%) vs 2502-rated opposition   -0.2 

    Moscow (URS Championship), 1961  2641 (#30 on January 1961 list  2643   -1 (9/19, 47%)   -1 (8/17, 47%) vs 2664-rated opposition   =0.0 
    NED-RUS m The Hague, 1962  2633 (#33 on July 1962 list  [2475]   +1 (1/1, 100%)   +1 (1/1, 100%) vs 2426-rated opposition   +0.3 
    URS-chT Leningrad, 1962  2633 (#31 on October 1962 list  2667   +1 (4.5/8, 56%)   = (3.5/7, 50%) vs 2713-rated opposition   +0.7 
    Stockholm, 1963  2650 (#27 on January 1963 list  2620   +6 (7/8, 88%)   +4 (5/6, 83%) vs 2491-rated opposition   +0.9 
    URS Burevestnik CC-ch, 1963  2650 (#27 on January 1963 list  [2538]   = (1/2, 50%)   +1 (1/1, 100%) vs 2528-rated opposition   +0.4 

    URS Spartakiad Moscow, 1963  2650 (#27 on January 1963 list  [2631]   = (0.5/1, 50%)   = (0.5/1, 50%) vs 2761-rated opposition   +0.1 
    URS-chT Moscow, 1963  2660 (#24 on August 1963 list  [2620]   +1 (2.5/4, 63%)   +1 (2.5/4, 63%) vs 2628-rated opposition   +0.3 
    URS Spartakiad Moscow, 1964  2658 (#25 on November 1964 list  [2544]   +3 (3/3, 100%)   +2 (2/2, 100%) vs 2460-rated opposition   +0.5 
    Moscow (Trades Union Championship), 1964  2670 (#21 on December 1964 list  2664   +3 (9/15, 60%)   +3 (7.5/12, 63%) vs 2601-rated opposition   +0.5 
    EU-chT (Men) Hamburg, 1965  2672 (#19 on January 1965 list  2622   +4 (5/6, 83%)   +4 (5/6, 83%) vs 2493-rated opposition   +0.7 

    Moscow, 1965  2672 (#19 on January 1965 list  -   +1 (1/1, 100%)   no games vs rated opposition   N/A 
    Moscow (Training), 1966  2665 (#23 on January 1966 list  2686   +1 (5.5/10, 55%)   +1 (5.5/10, 55%) vs 2686-rated opposition   +0.7 
    URS-chT Moscow, 1966  2685 (#20 on September 1966 list  [2481]   +2 (4/6, 67%)   -1 (1/3, 33%) vs 2558-rated opposition   -0.9 
    URS-chT, 1967  2638 (#36 on July 1967 list  2637   +2 (5/8, 63%)   = (2.5/5, 50%) vs 2692-rated opposition   +0.3 
    URS-chT Riga, 1968  2602 (#59 on December 1968 list  [2559]   +6 (8.5/11, 77%)   = (1.5/3, 50%) vs 2608-rated opposition   =0.0 

    URS-chT Grozny, 1969  2616 (#54 on January 1969 list  [2580]   -1 (1.5/4, 38%)   -1 (1.5/4, 38%) vs 2679-rated opposition   -0.2 
    DDR-BLR match Schwedt/Oder, 1969  2577 (#87 on December 1969 list  [2535]   = (2/4, 50%)   = (2/4, 50%) vs 2564-rated opposition   -0.1 
    BLR-ch Minsk, 1970  2570 (#99 on January 1970 list  [2416]   +1 (2/3, 67%)   -1 (0/1, 0%) vs 2502-rated opposition   -0.6 
    Minsk, 1971  2542 (#150 on January 1971 list  -   -2 (0.5/3, 17%)   no games vs rated opposition   N/A