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Chessmetrics Player Profile: William Martz
   Born:    -
   Best World Rank:    #213 (on the March 1977 rating list)
   Highest Rating:    2528 on the March 1977 rating list, #213 in world
   Best Individual Performance:    2573 in Arrecife de Lanzarote, 1974, scoring 5/9 (56%) vs 2550-rated opposition
  (no graph available)   Best Performances   Career Details   Event Details   Ratings only
    Event Name  Rating   Performance   Overall Results   Actual Results vs Rated Opponents   +/- Predicted 
    Illinois op, 1963  not rated on January 1963 list   -   +2 (3/4, 75%)   no games vs rated opposition   N/A 
    WchT U26 14th Harrachov, 1967  not rated on July 1967 list   [2544]   +3 (3/3, 100%)   +1 (1/1, 100%) vs 2537-rated opposition   N/A 
    Greater Chicago op Chicago, 1968  not rated on January 1968 list   -   +1 (2/3, 67%)   no games vs rated opposition   N/A 
    USA op Aspen, 1968  not rated on January 1968 list   [2534]   +3 (7/11, 64%)   -1 (0.5/2, 25%) vs 2658-rated opposition   N/A 
    WchT U26 fin-A Ybbs, 1968  not rated on July 1968 list   2438   -2 (2.5/7, 36%)   -2 (2.5/7, 36%) vs 2498-rated opposition   N/A 
    WchT U26 prel Ybbs, 1968  not rated on July 1968 list   [2417]   +1 (2/3, 67%)   -1 (0/1, 0%) vs 2504-rated opposition   N/A 
    Chicago op, 1969  2452 (#311 on January 1969 list)   -   +3 (4/5, 80%)   no games vs rated opposition   N/A 
    US-op Lincoln, 1969  2458 (#314 on August 1969 list)   [2498]   +4 (7/10, 70%)   -1 (1/3, 33%) vs 2582-rated opposition   -0.1 
    Ventura (USA Championship), 1971  2483 (#280 on January 1971 list)   -   +1 (6/11, 55%)   no games vs rated opposition   N/A 
    Malaga, 1972  not rated on January 1972 list   2512   +1 (3.5/6, 58%)   = (2.5/5, 50%) vs 2525-rated opposition   N/A 
    USA op, 1972  not rated on January 1972 list   [2404]   +5 (7.5/10, 75%)   = (0.5/1, 50%) vs 2398-rated opposition   N/A 
    USA-ch New York, 1972  not rated on January 1972 list   2496   = (6.5/13, 50%)   -3 (2.5/8, 31%) vs 2598-rated opposition   N/A 
    Lone Pine op, 1972  not rated on March 1972 list   -   +2 (4.5/7, 64%)   no games vs rated opposition   N/A 
    Skopje ol (Men) fin-A, 1972  2484 (#305 on September 1972 list)   2519   = (4/8, 50%)   = (4/8, 50%) vs 2520-rated opposition   +0.3 
    Skopje ol (Men) prel, 1972  2484 (#305 on September 1972 list)   -   +3 (3.5/4, 88%)   no games vs rated opposition   N/A 
    Malaga, 1973  2493 (#272 on January 1973 list)   [2538]   = (0.5/1, 50%)   = (0.5/1, 50%) vs 2612-rated opposition   +0.1 
    Norristown, 1973  2493 (#272 on January 1973 list)   2428   -1 (5/11, 45%)   -3 (2.5/8, 31%) vs 2513-rated opposition   -1.3 
    Torremolinos, 1973  2493 (#272 on January 1973 list)   [2432]   -2 (0.5/3, 17%)   -2 (0.5/3, 17%) vs 2549-rated opposition   -0.8 
    USA op Chicago, 1973  2493 (#272 on January 1973 list)   [2415]   +5 (7.5/10, 75%)   -1 (0.5/2, 25%) vs 2479-rated opposition   -0.5 
    Vrnjacka Banja, 1973  2493 (#272 on January 1973 list)   [2545]   = (2/4, 50%)   = (2/4, 50%) vs 2578-rated opposition   +0.4 
    El Paso (USA Championship), 1973  2467 (#364 on August 1973 list)   2410   -5 (3.5/12, 29%)   -5 (2.5/10, 25%) vs 2533-rated opposition   -1.7 
    Houston, 1974  2436 (#436 on January 1974 list)   2542   = (5.5/11, 50%)   = (5/10, 50%) vs 2542-rated opposition   +1.3 
    Olot, 1974  2442 (#417 on March 1974 list)   2524   -1 (5/11, 45%)   = (4/8, 50%) vs 2527-rated opposition   +0.8 
    Arrecife de Lanzarote, 1974  2459 (#371 on May 1974 list)   2573   +2 (6.5/11, 59%)   +1 (5/9, 56%) vs 2550-rated opposition   +1.5 
    Wijk aan Zee (Hoogovens-B), 1975  2481 (#302 on January 1975 list)   2560   +1 (8/15, 53%)   +1 (7.5/14, 54%) vs 2529-rated opposition   +1.3 
    Lone Pine (Open), 1975  2499 (#270 on April 1975 list)   2554   = (5/10, 50%)   = (4/8, 50%) vs 2564-rated opposition   +0.6 
    Keres mem Vancouver , 1976  2511 (#234 on January 1976 list)   -   +1 (1/1, 100%)   no games vs rated opposition   N/A 
    Lone Pine (Open), 1976  2512 (#240 on March 1976 list)   [2546]   +1 (4/7, 57%)   -1 (1.5/4, 38%) vs 2633-rated opposition   +0.1 
    US-op Columbus, 1977  2524 (#222 on January 1977 list)   -   +2 (4.5/7, 64%)   no games vs rated opposition   N/A 
    Lone Pine, 1977  2528 (#213 on March 1977 list)   2424   = (4.5/9, 50%)   -1 (2.5/6, 42%) vs 2448-rated opposition   -1.1 
    Chicago, 1982  not rated on April 1982 list   2548   -4 (3/10, 30%)   -4 (3/10, 30%) vs 2670-rated opposition   N/A 
    US open St Paul, 1982  2512 (#322 on August 1982 list)   [2487]   +7 (9/11, 82%)   = (1/2, 50%) vs 2517-rated opposition   =0.0