Mar-27-19 K Varberg vs N G Larsen, 2009 
Jan-27-19 Chandler vs Y Gruenfeld, 1979 
Dec-12-18 Kibitzer's Café 
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brosnya: I am no mathematician, but this is how I got clue #7. There is so called modular arithmetic in number theory, where an inverse means a number that gives a remainder of 1 when multiplied. If we choose divisor as 20, 3^-1 = 7 because 3*7 = 21 gives remainder of 1 when divided by 20. ... |
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Oct-10-18 R Altshul vs R Mueller, 2008 
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brosnya: easier than yesterday¡¦ |
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Dec-24-17 Santa Claus 
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