Game List for Colin Irwin in 1990
  |   |   |   | DGrade | pdt | OppDGrade | Grade | Index | OppIndex | Idx20 | OppIdx20 | RDG | OppRDG |
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  | 1 | MAC: Great Britain v Australia | 5-10.1.90 |   |   |   |   |   |   |   |   |   |   |
1 | beat | George Latham |   | 2426 | 75 | 2224 | 2510 | 2595 | 2149 | 2407 | 2251 | 0 | 0 |
2 | lost to | George Latham | (tp) | 2409 | 69 | 2246 | 2512 | 2542 | 2202 | 2393 | 2264 | 0 | 0 |
3 | beat | George Latham |   | 2416 | 66 | 2236 | 2514 | 2552 | 2192 | 2400 | 2257 | 0 | 0 |
4 | beat | Greg Bury |   | 2428 | 65 | 2412 | 2517 | 2581 | 2507 | 2410 | 2383 | 0 | 0 |
5 | lost to | Greg Bury |   | 2416 | 62 | 2428 | 2518 | 2546 | 2542 | 2400 | 2393 | 0 | 0 |
6 | beat | Greg Bury |   | 2428 | 63 | 2412 | 2521 | 2576 | 2512 | 2409 | 2383 | 0 | 0 |
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  | 3 | New Zealand Reps v GB | 14-15.1.90 |   |   |   |   |   |   |   |   |   |   |
7 | beat | Bruce Baker |   | 2431 | 67 | 2003 | 2524 | 2580 | 2009 | 2412 | 2002 | 0 | 0 |
8 | beat | Bruce Baker | tp | 2434 | 76 | 2000 | 2527 | 2584 | 2005 | 2415 | 1999 | 0 | 0 |
9 | beat | Peter Harding |   | 2438 | 83 | 2075 | 2530 | 2590 | 2122 | 2418 | 2065 | 0 | 0 |
10 | beat | Peter Harding |   | 2442 | 94 | 2071 | 2533 | 2597 | 2116 | 2421 | 2062 | 0 | 0 |
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  | 4 | NZ Juniors v Great Britain | 17.1.90 |   |   |   |   |   |   |   |   |   |   |
11 | beat | Graeme Roberts | tp | 2451 | 105 | 2280 | 2537 | 2609 | 2351 | 2428 | 2274 | 0 | 0 |
12 | lost to | Graeme Roberts | (tp) | 2432 | 111 | 2298 | 2538 | 2571 | 2389 | 2415 | 2288 | 0 | 0 |
13 | beat | Graeme Roberts |   | 2442 | 124 | 2289 | 2540 | 2586 | 2374 | 2422 | 2280 | 0 | 0 |
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  | 6 | MAC: New Zealand v GB | 21-26.1.90 |   |   |   |   |   |   |   |   |   |   |
14 | beat | Steve Jones |   | 2453 | 136 | 2333 | 2543 | 2606 | 2406 | 2430 | 2333 | 0 | 0 |
15 | beat | Steve Jones |   | 2464 | 148 | 2324 | 2547 | 2623 | 2389 | 2438 | 2326 | 0 | 0 |
16 | lost to | Graham Beale |   | 2446 | 151 | 2383 | 2548 | 2576 | 2398 | 2426 | 2368 | 0 | 0 |
17 | beat | Graham Beale |   | 2459 | 159 | 2371 | 2550 | 2594 | 2380 | 2435 | 2360 | 0 | 0 |
18 | beat | Graham Beale |   | 2471 | 167 | 2360 | 2553 | 2611 | 2364 | 2443 | 2351 | 0 | 0 |
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  | 31 | Western Championship | 5-7.5.90 |   |   |   |   |   |   |   |   |   |   |
19 | beat | Steve Lewis |   | 2479 | 175 | 2235 | 2556 | 2619 | 2247 | 2448 | 2215 | 0 | 0 |
20 | beat | Steve Lewis |   | 2487 | 186 | 2230 | 2559 | 2626 | 2239 | 2453 | 2209 | 0 | 0 |
21 | beat | Dayal Gunasekera |   | 2495 | 191 | 2247 | 2563 | 2637 | 2328 | 2459 | 2240 | 0 | 0 |
22 | beat | Dayal Gunasekera |   | 2503 | 192 | 2240 | 2566 | 2647 | 2318 | 2464 | 2234 | 0 | 0 |
23 | beat | Martin French | (otp) | 2512 | 189 | 2325 | 2570 | 2660 | 2419 | 2471 | 2306 | 0 | 0 |
24 | lost to | Martin French |   | 2490 | 185 | 2341 | 2573 | 2623 | 2456 | 2457 | 2320 | 0 | 0 |
25 | lost to | Martin French |   | 2470 | 173 | 2358 | 2573 | 2588 | 2491 | 2444 | 2333 | 0 | 0 |
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  | 32 | Western Championship Plate | 5-7.5.90 |   |   |   |   |   |   |   |   |   |   |
26 | beat | Martin Murray |   | 2481 | 162 | 2344 | 2574 | 2600 | 2390 | 2452 | 2313 | 0 | 0 |
27 | lost to | Keith Aiton |   | 2458 | 148 | 2246 | 2574 | 2566 | 2222 | 2436 | 2213 | 0 | 0 |
28 | beat | Chris Clarke |   | 2467 | 131 | 2264 | 2574 | 2576 | 2341 | 2442 | 2249 | 0 | 0 |
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  | 40 | East Riding WE | 19-20.5.90 |   |   |   |   |   |   |   |   |   |   |
29 | beat | E John Davis |   | 2471 | 115 | 2079 | 2574 | 2581 | 2058 | 2445 | 2066 | 0 | 0 |
30 | beat | Martin Kolbuszewski |   | 2472 | 102 | 1788 | 2575 | 2582 | 1773 | 2446 | 1769 | 0 | 0 |
31 | lost to | Alan Sutcliffe |   | 2449 | 82 | 1998 | 2573 | 2534 | 1992 | 2428 | 1981 | 0 | 0 |
32 | beat | Alan Sutcliffe |   | 2452 | 74 | 1994 | 2572 | 2538 | 1988 | 2430 | 1979 | 0 | 0 |
33 | lost to | Alan Sutcliffe |   | 2432 | 63 | 2023 | 2568 | 2492 | 2034 | 2413 | 1996 | 0 | 0 |
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  | 51 | IC1: Bowdon v Wrest Park | 3.6.90 |   |   |   |   |   |   |   |   |   |   |
34 | beat | Howard Bottomley |   | 2434 | 50 | 1874 | 2565 | 2494 | 1824 | 2414 | 1867 | 0 | 0 |
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  | 55 | Bowdon WE | 9-10.6.90 |   |   |   |   |   |   |   |   |   |   |
35 | beat | Carol Lewis |   | 2434 | 43 | 1614 | 2562 | 2495 | 1609 | 2415 | 1612 | 0 | 0 |
36 | beat | John Rose |   | 2437 | 35 | 2024 | 2559 | 2499 | 1944 | 2418 | 2022 | 0 | 0 |
37 | lost to | David Goacher |   | 2424 | 21 | 2216 | 2555 | 2461 | 2294 | 2403 | 2194 | 0 | 0 |
38 | beat | David Goacher |   | 2428 | 9 | 2210 | 2551 | 2477 | 2278 | 2408 | 2189 | 0 | 0 |
39 | lost to | David Goacher |   | 2417 | -2 | 2225 | 2546 | 2441 | 2314 | 2393 | 2203 | 0 | 0 |
40 | beat | Bill Aldridge |   | 2421 | -17 | 2177 | 2542 | 2454 | 2198 | 2399 | 2161 | 0 | 0 |
41 | beat | Bill Aldridge |   | 2425 | -27 | 2172 | 2539 | 2466 | 2187 | 2404 | 2156 | 0 | 0 |
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  | 61 | HI: Ireland v Wales | 16.6.90 |   |   |   |   |   |   |   |   |   |   |
42 | beat | William Prichard |   | 2433 | -28 | 2384 | 2536 | 2487 | 2306 | 2413 | 2361 | 0 | 0 |
43 | lost to | William Prichard |   | 2423 | -37 | 2395 | 2532 | 2445 | 2348 | 2402 | 2372 | 0 | 0 |
44 | lost to | William Prichard |   | 2412 | -48 | 2405 | 2526 | 2408 | 2384 | 2391 | 2383 | 0 | 0 |
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  | 63 | HI: Ireland v Scotland | 16-17.6.90 |   |   |   |   |   |   |   |   |   |   |
45 | beat | Keith Aiton | tpo | 2417 | -56 | 2165 | 2521 | 2420 | 2102 | 2396 | 2149 | 0 | 0 |
46 | beat | Keith Aiton | tp | 2423 | -60 | 2158 | 2517 | 2432 | 2091 | 2401 | 2144 | 0 | 0 |
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  | 64 | HI: England v Ireland | 17.6.90 |   |   |   |   |   |   |   |   |   |   |
47 | beat | Stephen Mulliner |   | 2437 | -59 | 2554 | 2515 | 2471 | 2525 | 2414 | 2541 | 0 | 0 |
48 | lost to | Stephen Mulliner |   | 2429 | -61 | 2564 | 2511 | 2444 | 2551 | 2407 | 2548 | 0 | 0 |
49 | beat | Stephen Mulliner |   | 2443 | -62 | 2545 | 2510 | 2482 | 2514 | 2420 | 2535 | 0 | 0 |
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  | 71 | IC2: Bowdon v Cheltenham | 24.6.90 |   |   |   |   |   |   |   |   |   |   |
50 | beat | William Prichard |   | 2453 | -67 | 2381 | 2509 | 2498 | 2317 | 2429 | 2359 | 0 | 0 |
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  | 84 | Solomon Trophy (GB v USA) | 7-11.7.90 |   |   |   |   |   |   |   |   |   |   |
51 | beat | Ray Bell |   | 2457 | -68 | 2085 | 2509 | 2506 | 2077 | 2432 | 2081 | 0 | 0 |
52 | lost to | Ray Bell |   | 2437 | -70 | 2100 | 2506 | 2453 | 2130 | 2416 | 2098 | 0 | 0 |
53 | beat | Ray Bell |   | 2441 | -73 | 2097 | 2504 | 2465 | 2119 | 2419 | 2094 | 0 | 0 |
54 | beat | Ted Prentis | tp | 2444 | -75 | 2012 | 2503 | 2473 | 2070 | 2422 | 2018 | 0 | 0 |
55 | beat | Ted Prentis | tp | 2447 | -75 | 2009 | 2502 | 2481 | 2062 | 2425 | 2015 | 0 | 0 |
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  | 116 | North Of England Championship | 24-27.8.90 |   |   |   |   |   |   |   |   |   |   |
56 | beat | Nick Hyne |   | 2450 | -72 | 2005 | 2501 | 2487 | 2051 | 2428 | 2020 | 0 | 0 |
57 | beat | Nick Hyne |   | 2452 | -67 | 2003 | 2501 | 2493 | 2045 | 2430 | 2018 | 0 | 0 |
58 | beat | Russell Collighan |   | 2456 | -63 | 2090 | 2501 | 2502 | 2136 | 2434 | 2071 | 0 | 0 |
59 | beat | Russell Collighan |   | 2459 | -59 | 2086 | 2501 | 2510 | 2128 | 2437 | 2068 | 0 | 0 |
60 | lost to | David Openshaw |   | 2450 | -51 | 2500 | 2500 | 2486 | 2559 | 2428 | 2481 | 0 | 0 |
61 | lost to | David Openshaw |   | 2441 | -41 | 2509 | 2499 | 2465 | 2580 | 2419 | 2490 | 0 | 0 |
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  | 118 | North Of England Plate | 28-29.8.90 |   |   |   |   |   |   |   |   |   |   |
62 | lost to | Dan McCormick |   | 2425 | -39 | 2109 | 2495 | 2433 | 2181 | 2402 | 2091 | 0 | 0 |
63 | lost to | Steve Comish |   | 2410 | -41 | 2140 | 2491 | 2402 | 2188 | 2386 | 2118 | 0 | 0 |
64 | lost to | Andrew Symons |   | 2395 | -46 | 2189 | 2485 | 2374 | 2267 | 2371 | 2164 | 0 | 0 |
65 | beat | Ian Maugham |   | 2398 | -54 | 1980 | 2479 | 2380 | 1984 | 2374 | 1965 | 0 | 0 |
66 | beat | Adrian Saurin |   | 2400 | -62 | 1956 | 2475 | 2387 | 2042 | 2376 | 1944 | 0 | 0 |
67 | beat | Ian Burridge |   | 2407 | -65 | 2183 | 2471 | 2403 | 2266 | 2382 | 2156 | 0 | 0 |
68 | beat | Chris Haslam |   | 2413 | -65 | 2187 | 2468 | 2419 | 2308 | 2387 | 2164 | 0 | 0 |
69 | beat | Alan Sutcliffe |   | 2416 | -63 | 2046 | 2466 | 2429 | 2173 | 2391 | 2047 | 0 | 0 |
70 | beat | Robert Fulford |   | 2430 | -55 | 2559 | 2465 | 2457 | 2590 | 2404 | 2534 | 0 | 0 |
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  | 121 | ICSF: Bowdon v Harrow | 1.9.90 |   |   |   |   |   |   |   |   |   |   |
71 | beat | Phil Cordingley |   | 2435 | -46 | 2182 | 2466 | 2468 | 2168 | 2410 | 2187 | 0 | 0 |
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  | 135 | Southport WE | 22-23.9.90 |   |   |   |   |   |   |   |   |   |   |
72 | beat | Diana Williamson |   | 2436 | -36 | 1580 | 2466 | 2469 | 1538 | 2410 | 1589 | 0 | 0 |
73 | beat | Carol Lewis |   | 2436 | -24 | 1571 | 2466 | 2469 | 1523 | 2411 | 1561 | 0 | 0 |
74 | beat | Collin Southern |   | 2437 | -9 | 1828 | 2466 | 2472 | 1862 | 2412 | 1822 | 0 | 0 |
75 | beat | Adrian Saurin |   | 2439 | 1 | 1985 | 2467 | 2479 | 2064 | 2414 | 1968 | 0 | 0 |
76 | lost to | Mark Saurin |   | 2431 | 7 | 2459 | 2467 | 2461 | 2616 | 2404 | 2418 | 0 | 0 |
77 | lost to | Mark Saurin |   | 2423 | 2 | 2474 | 2465 | 2444 | 2633 | 2394 | 2428 | 0 | 0 |
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  | 140 | G.B. v G.B. U-21 | 29-30.9.90 |   |   |   |   |   |   |   |   |   |   |
78 | lost to | Mark Saurin |   | 2416 | -5 | 2488 | 2464 | 2430 | 2647 | 2385 | 2437 | 0 | 0 |
79 | beat | Mark Saurin |   | 2426 | -12 | 2469 | 2464 | 2466 | 2611 | 2396 | 2426 | 0 | 0 |
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  | 142 | ICF: Colchester v Bowdon | 13.10.90 |   |   |   |   |   |   |   |   |   |   |
80 | beat | Robert Fulford |   | 2437 | -16 | 2578 | 2466 | 2504 | 2671 | 2410 | 2555 | 0 | 0 |
pdt measures approximately how many points above or below grade the player has played over the last 37 games.
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