World championship 2013 preliminaries round 5
Tolchykau - Maughn 2-0

After 6-11? Tolchykau gained a winning advantage using 44.27-22! 18x27 45.32x21 16x27 46.29-23! and since 9-14? is prevented by 47.23-18 13x22 48.28x6, black had to settle for the hopeless endgame after ≡ 27-32 47.23x3 32x43 48.3x25 43-49 49.34-29 49-27 50.29x20 27-36 51.33-29 13-19 52.20-15 36-41 53.25-34
Huseynov - Buzinskiy 0-2

After 29-34! 40.28-22? (here ≡ 40.30-25 34x43 41.38x49 3-8 42.42-38 8-13 43.49-43 was needed ) ≡ 17x28 41.33x13 34x25 42.13-9 Buzinskiy gained a winning advantage using 24-29! 43.9x20 25x14 The white pieces on 42 and 38 are obstructed now. 44.27-22 19-24 45.39-34 29x40 46.35x44 24-29! Black immediately takes back the strategic square 29. 47.44-39 14-19 48.39-33 29-34! 49.33-29 34-40 50.29x18 40-44 51.18-12 44-50 and white resigned.
Shaibakov - Valneris 1-1

Shaibakov missed a great opportunity after 50.44-40? 24-30? Black could win after ≡ 24-29 51.40-35 16-21 52.35-30 11-16 53.36-31 27x36 54.38-32 29-33 55.30-24 33-39 etc. ≡ 51.38-33 16-21 52.33-28 11-16 53.28-23 27-31 54.36x27 21x41 55.42-37 41x32 56.23-19 32-38 57.40-35 30-34 58.18-13 8-12 59.13-9 38-42 60.9-4 42-47 61.19-14 47-15 62.4-36 34-39 63.14-9 39-43 64.9-4 43-48
Nossov - Budis 0-2

32.39-33? Now Budis decided the game using the combination 27-31 33.36x27 17-21 34.27x16 18-22 35.28x17 12x21 36.16x27 25-30 37.34x14 10x48
Ganjargal - Watoetin 0-2

Watoetin had a piece advantage, but the last moves before the time control he made some mistakes 8-13? Here ≡ 25-30 49.28-22 26-31 50.37x26 34-39 was probably winning. ≡ 49.28-22? Ganjargal missed the combination ≡ 49.47-41 36x47 50.27-22 47x33 51.28x17 with an advantage for white, although it is not winning. ≡ 34-39 50.27-21 26x28 51.32x43 13-18 52.38-33 18-22 53.43-38 12-18 54.47-42 18-23 55.37-32? This is incorrect. A draw was still possible after ≡ 55.38-32 25-30 56.42-38 23-29 57.37-31 36x27 58.32x21 ≡ 24-29 56.33x24 36-41 57.35-30 25x34 58.24-20 23-29 59.32-28 22x33 60.20-14 34-40 61.14-10 40-45 62.10-4 33-39 63.38-32 29-34 64.42-37 41-47 65.32-27 47-33 66.27-21 39-44 67.4-15 33-11 68.37-31 11-6 69.31-26 44-49

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