1. Hou Yifan 2606 – Ranasinghe, S D 1821
2. Humpy Koneru 2610 – Denise Frick 1871
3. Anna Muzychuk 2586 – Amina Mezioud 2055
4. Zhao Xue 2565 – Natalia Khoudgarian 2138
5. Kateryna Lahno 2553 – Mona Khaled 2155
6. Nadezhda Kosintseva 2539 – Melissa Castrillon Gomez 2159
7. Viktorija Cmilyte 2524 – Ingrid Aliaga Fernandez 2175
8. Marie Sebag 2521 – Irina Berezina 2190
9. Valentina Gunina 2517 – Gu Xiaobing 2209
10. Pia Cramling 2516 – Shayester Ghader Pour 2219
11. Tatiana Kosintseva 2515 – Madina Davletbayeva 2220
12. Harika Dronavalli 2512 – Soumya Swaminathan 2251
13. Bella Khotenashvili 2504 – Maritza Arribas Robaina 2273
14. Alexandra Kosteniuk 2501 – Tatev Abrahamyan 2304
15. Ju Wenjun 2501 – Atousa Pourkashian 2321
16. Antoaneta Stefanova 2491 – Marina Romanko 2355
17. Zhu Chen 2491 – Nastassia Ziazulkina 2367
18. Anna Zatonskih 2489 – Carolina Lujan 2369
19. Natalia Pogonina 2478 – Svetlana Matveeva 2377
20. Mariya Muzychuk 2476 – Cristina-Adela Foisor 2383
21. Elina Danielian 2476 – Sofiko Khukhashvili 2383
22. Hoang Thanh Trang 2470 – Evgenija Ovod 2384
23. Irina Krush 2470 – Li Ruofan 2394
24. Alisa Galliamova 2468 – Ekaterina Kovalevskaya 2409
25. Olga Girya 2467 – Iweta Rajlich 2410
26. Huang Qian 2465 – Shen Yang 2413
27. Lilit Mkrtchian 2457 – Ketevan Arakhamia 2414
28. Lela Javakhishvili 2455 – Anastasia Bodnaruk 2415
29. Elena Dembo 2454 – Nino Khurtsidze 2428
30. Anna Ushenina 2452 – Cori T Deysi 2429
31. Natalia Zhukova 2451 – Guo Qi 2432
32. Monika Socko 2445 – Elmira Skripchenko 2441

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Rank	Old Rank	Name	Country	Title	Rating	Old Rating	Games
1	1	Carlsen, Magnus	NOR	GM	2848 +5	2843	10
2	2	Aronian, Levon	ARM	GM	2815 -6	2821	10
3	3	Kramnik, Vladimir	RUS	GM	2795	2795	0
4	4	Radjabov, Teimour	AZE	GM	2793 +1	2792	6
5	8	Caruana, Fabiano	ITA	GM	2786 +14	2772	15
6	7	Anand, Viswanathan	IND	GM	2775 -5	2780	10
7	6	Karjakin, Sergey	RUS	GM	2775 -5	2780	10
8	13	Topalov, Veselin	BUL	GM	2769 +18	2751	17
9	12	Grischuk, Alexander	RUS	GM	2764 +12	2752	17
10	14	Mamedyarov, Shakhriyar	AZE	GM	2764 +16	2748	16
11	9	Ivanchuk, Vassily	UKR	GM	2763 -8	2771	18
12	11	Kamsky, Gata	USA	GM	2762 +7	2755	7
13	5	Nakamura, Hikaru	USA	GM	2755 -31	2786	18
14	18	Gelfand, Boris	ISR	GM	2751 +15	2736	16
15	10	Morozevich, Alexander	RUS	GM	2748 -10	2758	6
16	16	Svidler, Peter	RUS	GM	2747	2747	6
17	23	Jakovenko, Dmitry	RUS	GM	2741 +9	2732	15
18	19	Ponomariov, Ruslan	UKR	GM	2741 +6	2735	15
19	15	Wang, Hao	CHN	GM	2737 -11	2748	14
20	17	Gashimov, Vugar	AZE	GM	2737	2737	0
21	22	Wojtaszek, Radoslaw	POL	GM	2734 +1	2733	15
22	21	Leko, Peter	HUN	GM	2732 -2	2734	17
23	20	Dominguez Perez, Leinier	CUB	GM	2726 -8	2734	17
24	28	Tomashevsky, Evgeny	RUS	GM	2725 +5	2720	6
25	30	Andreikin, Dmitry	RUS	GM	2723 +5	2718	6
26	25	Volokitin, Andrei	UKR	GM	2722 -2	2724	14
27	29	Shirov, Alexei	LAT	GM	2716 -2	2718	6
28	24	Giri, Anish	NED	GM	2715 -15	2730	18
29	33	McShane, Luke J	ENG	GM	2713	2713	0
30	41	Vachier-Lagrave, Maxime	FRA	GM	2711 +6	2705	10
31	36	Areshchenko, Alexander	UKR	GM	2711 +1	2710	6
32	27	Adams, Michael	ENG	GM	2710 -10	2720	17
33	26	Navara, David	CZE	GM	2710 -12	2722	16
34	35	Cheparinov, Ivan	BUL	GM	2710	2710	0
35	37	Jobava, Baadur	GEO	GM	2710	2710	0
36	32	Malakhov, Vladimir	RUS	GM	2709 -4	2713	10
37	44	Naiditsch, Arkadij	GER	GM	2708 +4	2704	16
38	45	Nepomniachtchi, Ian	RUS	GM	2707 +3	2704	7
39	38	Almasi, Zoltan	HUN	GM	2707	2707	0
40	31	Bruzon Batista, Lazaro	CUB	GM	2706 -11	2717	20
41	46	Le, Quang Liem	VIE	GM	2705 +2	2703	10
42	34	Riazantsev, Alexander	RUS	GM	2705 -7	2712	6
43	40	Polgar, Judit	HUN	GM	2705	2705	0
44	49	Fressinet, Laurent	FRA	GM	2703 +1	2702	5
45	47	Akopian, Vladimir	ARM	GM	2703	2703	0
46	43	Korobov, Anton	UKR	GM	2702 -3	2705	16
47	48	Ding, Liren	CHN	GM	2702	2702	14
48	51	Moiseenko, Alexander	UKR	GM	2702 +2	2700	7
49	42	Bacrot, Etienne	FRA	GM	2702 -3	2705	6
50	57	Vitiugov, Nikita	RUS	GM	2700 +9	2691	6

Rank	Old Rank	Name	Country	Title	Rating	Old Rating	Games
1	1	Polgar, Judit	HUN	GM	2705	2705	0
2	2	Koneru, Humpy	IND	GM	2610 +3	2607	7
3	3	Hou, Yifan	CHN	GM	2606 +1	2605	6
4	4	Muzychuk, Anna	SLO	GM	2586 -1	2587	6
5	5	Zhao, Xue	CHN	GM	2565	2565	4
6	6	Dzagnidze, Nana	GEO	GM	2555	2555	0
7	7	Lahno, Kateryna	UKR	GM	2553 +2	2551	15
8	8	Kosintseva, Nadezhda	RUS	GM	2539	2539	0
9	9	Cmilyte, Viktorija	LTU	GM	2524 -4	2528	6
10	10	Sebag, Marie	FRA	GM	2521	2521	0
11	12	Gunina, Valentina	RUS	IM	2517 +3	2514	10
12	13	Cramling, Pia	SWE	GM	2516 +2	2514	6
13	11	Kosintseva, Tatiana	RUS	GM	2515	2515	0
14	14	Harika, Dronavalli	IND	GM	2512	2512	7
15	15	Khotenashvili, Bela	GEO	IM	2504	2504	0
16	21	Kosteniuk, Alexandra	RUS	GM	2501 +11	2490	6
17	18	Ju, Wenjun	CHN	WGM	2501 +3	2498	4
18	16	Ruan, Lufei	CHN	WGM	2501	2501	0
19	19	Stefanova, Antoaneta	BUL	GM	2491 -2	2493	5
20	20	Zhu, Chen	QAT	GM	2491	2491	0
21	17	Zatonskih, Anna	USA	IM	2489 -10	2499	11
22	22	Paehtz, Elisabeth	GER	IM	2482	2482	0
23	24	Pogonina, Natalija	RUS	WGM	2478 +2	2476	5
24	25	Muzychuk, Mariya	UKR	IM	2476 +2	2474	15
25	23	Danielian, Elina	ARM	GM	2476	2476	7
26	27	Hoang, Thanh Trang	HUN	GM	2470	2470	9
27	26	Krush, Irina	USA	IM	2470	2470	4
28	28	Galliamova, Alisa	RUS	IM	2468	2468	0
29	36	Girya, Olga	RUS	WGM	2467 +13	2454	12
30	29	Huang, Qian	CHN	WGM	2465 -1	2466	4
31	30	Xu, Yuhua	CHN	GM	2465	2465	0
32	31	Tan, Zhongyi	CHN	WGM	2464	2464	4
33	33	Atalik, Ekaterina	TUR	IM	2461 +3	2458	7
34	34	Mkrtchian, Lilit	ARM	IM	2457 +1	2456	7
35	40	Javakhishvili, Lela	GEO	IM	2455 +11	2444	11
36	35	Dembo, Yelena	GRE	IM	2454	2454	0
37	32	Munguntuul, Batkhuyag	MGL	IM	2453 -6	2459	4
38	42	Ushenina, Anna	UKR	IM	2452 +13	2439	9
39	38	Zhukova, Natalia	UKR	GM	2451 +2	2449	9
40	37	Hunt, Harriet V	ENG	IM	2450	2450	0
41	43	Peptan, Corina-Isabela	ROU	IM	2447 +10	2437	6
42	39	Socko, Monika	POL	GM	2445	2445	0
43	41	Moser, Eva	AUT	IM	2443	2443	0
44	44	Skripchenko, Almira	FRA	IM	2441 +4	2437	3
45	73	Guo, Qi	CHN	WGM	2432 +41	2391	13
46	52	Cori T., Deysi	PER	WGM	2429 +18	2411	21
47	46	Khurtsidze, Nino	GEO	IM	2428 -2	2430	9
48	48	Zaiatz, Elena	RUS	IM	2427	2427	0
49	45	Ding, Yixin	CHN	WGM	2426 -5	2431	4
50	75	Pham, Le Thao Nguyen	VIE	WGM	2425 +38	2387	13

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De Ruieter (2182) – Timman (2578), 1-0, 396 points

Villegas (1852) – Tapie (2240), 1-0, 388 points

Wittmann (2245) – Kozul (2621), 1-0, 376 points

Nijboer (2525) – Kollen (2174), 0-1, 351 points

Teixiera (2276) – Brizzi (1930), 0-1, 346 points

Erdelyi (2146) – Fodor (2487), 1-0, 341 points

Mendez (1744) – Judewicz (2084), 1-0, 340 points

Elias (1885) – Ezcurra (1560), 0-1, 325 points

Mendez (1744) – Romero (2058), 1-0, 314 points

Finegold (2081) – Fierro (2387), 1-0, 306 points

Average: 349 points. White won 7 games; Black won 3 games

Special mentions for defeating heavyweights; difference over 200 points:

Dancevski (2389) – Naiditsch (2704), 1-0, 315 points

Baron (2454) – Riazantsev (2712), 1-0, 258 points

Gelfand (2736) – Williams (2496), 0-1, 240 points

Mekhitarian (2503) – Bruzon (2717), 1-0, 214 points

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Episode 2
Episode 1

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Puzzle courtesy of Barry R. Clarke, columnist for The Daily Telegraph and international puzzle expert

Oliver’s Didgeridoo

Oliver Hoot had just bought a didgeridoo. However, the sound seemed a bit muffled, and although the thing would didger it just wouldn't do. Back at the shop he bought it from, the shopkeeper discovered the problem: a cuckoo was lodging in the pipe. So he blew down one end to drive it out. 

Now the three distances, of the cuckoo from each of the two ends and the pipe length, were all non-prime whole numbers (inches). Also the cuckoo would have taken the same time to fly to one end with the wind speed added to his natural speed as it would have taken to fly to the other end with the wind speed subtracted. It turned out that the cuckoo's natural speed divided by the wind speed was a square number less than 100, numerically equal to the pipe length. How long was Oliver's didgeridoo?
 
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