PASSPORT
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Technical class
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Pamir-Alai, Zeravshan Ridge, Alaudin Valley.
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Chapdara peak (5053 m) via North-West wall
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First ascent, 6B category of difficulty (tentative), combined
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Height difference — 1650 m, length — 2230 m. Length of sections with 5–6 category of difficulty — 1055 m, including 6 category of difficulty — 465 m.
Average steepness of the route — 71°. Average steepness of the wall section — 77° (3400–4775)
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Number of pitons driven:

Rock Nuts Bolt Ice 152 174 4 1B 47 68 3 0 -
Number of climbing hours — 75 hours and days — 8
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Number of bivouacs:
- R1, R2, R3, R6 — semi-reclining
- R4, R7 — reclining
- R5 — sitting
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Team leader — Merlis Viktor Petrovich, Master of Sports
Team members:
- Yumarov Viktor Vasilievich, Candidate Master of Sports
- Lebedev Mikhail Vitalievich, Candidate Master of Sports
- Sakharov Konstantin Alekseevich, Candidate Master of Sports
- Telnov Alexander Alekseevich, Candidate Master of Sports
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Coach — Vinokurov Anatoly Filippovich, Master of Sports
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Date of departure on the route July 13, 1989 Summit reached on July 20, 1989 Return on July 20, 1989
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Moscow Regional Sports Committee

Photo F1. General photo of the summit. Taken on July 21, 1989, 16:00. Distance to the subject approximately 3 km. Shooting point (F1), elevation of the shooting point 3100 m.
I. Kiseleva L. route via North-West wall (right route) II. Solonnikov V. route via North-West wall (left route) III. Moscow Regional Sports Committee team route IV. Melnikov route