Ok, here are the known numbers in Wilt's "must-win" playoff games (elimination games), and clinching game performances (either deciding winning or losing games), of BOTH Chamberlain, and his starting opposing centers in those games.
1. Game three of a best-of-three series in the first round of the 59-60 playoffs against Syracuse, a 132-112 win. Wilt with 53 points, on 24-42 shooting, with 22 rebounds. His opposing center, Red Kerr, who was a multiple all-star in his career, had 7 points.
2. Game five of the 59-60 ECF's against Boston, a 128-107 win. Chamberlain had 50 points, on 22-42 shooting, with 35 rebounds. His opposing center, Russell, had 22 points and 27 rebounds.
3. Game six of the 59-60 ECF's against Boston, in a 119-117 loss. Wilt had a 26-24 game, while Russell had a 25-25 game.
4. Game three of a best-of-five series in the first round of the 60-61 playoffs , and against Syracuse, in a 106-103 loss. Chamberlain with 33 points, while his opposing center, the 7-3 Swede Halbrook, scored 6 points.
5. Game five of a best-of-five series in the first round of the 61-62 playoffs, against Syracuse, in a 121-104 win. Chamberlain had 56 points, on 22-48 shooting, with 35 rebounds. Kerr had 20 points in the loss.
6. Game six of the 61-62 ECF's, and against Boston, in a 109-99 win. Wilt with 32 points and 21 rebounds. Russell had 19 points and 22 rebounds in the loss.
7. Game seven of the 61-62 ECF's, against Boston, in a 109-107 loss. Wilt with 22 points, on 7-15 shooting, with 21 rebounds. Russell had 19 points, on 7-14 shooting, with 22 rebounds in the win.
8. Game seven of the 63-64 WCF's, and against St. Louis, in a 105-95 win. Wilt with 39 points, 26 rebounds, and 10 blocks. His opposing center, Zelmo Beaty, who would go on to become a multiple all-star, had 10 points in the loss.
9. Game five of the 63-64 Finals, and against Boston, in a 105-99 loss. Chamberlain with 30 points and 27 rebounds. Russell had 14 points and 26 points in the win.
10. Game four of a best-of-five series in the 64-65 first round of the playoffs against Cincinnati, a 119-112 win. Chamberlain with 38 points. His opposing center, multiple all-star (and HOFer) Wayne Embry had 7 points in the loss.
11. Game six of the 64-65 ECF's, against Boston, a 112-106 win. Chamberlain with a 30-26 game. Russell with a 22-21 game in the loss.
12. Game seven of the 64-65 ECF's, and against Boston, a 110-109 loss. Wilt with 30 points, on 12-15 shooting, with 32 rebounds. Russell had 15 points, on 7-16 shooting, with 29 rebounds in the win.
13. Game five of a best-of-seven series, in the 65-66 ECF's, and against Boston, in a 120-112 loss. Wilt had 46 points, on 19-34 shooting, with 34 rebounds. Russell had 18 points and 31 rebounds in the win.
14. Game four of a best-of-five series, in the first round of the 66-67 playoffs, and against Cincinnati, a 112-94 win. Wilt with 18 points, on 7-14 shooting, with 27 rebounds and 9 assists. His opposing center, Connie Dierking, had 8 points, on 4-14 shooting, with 4 rebounds in the loss.
15. Game five of the 66-67 ECF's, and against Boston, in a 140-116 win. Chamberlain with 29 points, on 10-16 shooting, with 36 rebounds, 13 assists, and 7 blocks. Russell had 4 points, on 2-5 shooting, with 21 rebounds, and 7 assists in the loss.
16. Game six of the 66-67 Finals, and against San Francisco, in a 125-122 win. Chamberlain with 24 points, on 8-13 shooting, with 23 rebounds. His oppsoing center, HOFer Nate Thurmond, had 12 points, on 4-13 shooting, with 22 rebounds in the loss.
17. Game six of the first round of the 67-68 playoffs, against NY, in a 113-97 win. Wilt had 25 points, and 27 rebounds. His opposing center, HOFer Walt Bellamy, had 19 points in the loss.
18. Game seven of the 67-68 ECF's, against Boston, in a 100-96 loss. Wilt with 14 points, on 4-9 shooting, with 34 rebounds. Russell had 12 points and 26 rebounds in the win.
19. Game six of the first round of the 68-69 playoffs, against San Francisco, in a 118-78 win. Wilt with 11 points on 5/9 FG, 25 rebounds and 1 assist. Thurmond had 8 points in the loss.
20. Game four of the 68-69 WCF's, against Atlanta, in a 133-114 sweeping win. Chamberlain with 16 points on 5/11 FG, 29 rebounds and 10 blocks. His opposing center, Zelmo Beaty had 30 points in the loss.
21. Game seven of the 68-69 Finals, against Boston, in a 108-106 loss. Chamberlain had 18 points, on 7-8 shooting, with 27 rebounds. Russell had 6 points, on 2-7 shooting, with 21 rebounds in the win.
22. Game five of a best-of-seven series (the Lakers were down 3-1 going into the game) in the first round of the 69-70 playoffs, and against Phoenix, a 138-121 win. Wilt with 36 points on 12/20 FG 14 rebounds and 3 assists. His opposing center, Neal Walk, had 18 points in the loss.
23. Game six of the first round of the 69-70 playoffs, against Phoenix, in a 104-93 win. Wilt with 12 points on 4/11 FG, 26 rebounds, 11 assists and 12 blocks (unofficial quad). Jim Fox started that game for Phoenix, and had 13 points in the loss.
24. Game seven of the first round of the 69-70 playoffs, against Phoenix, and in a 129-94 win, which capped a 4-3 series win after falling behind 3-1 in the series. Wilt with 30 points on 11/18 FG, 27 rebounds, 6 assists and 11 blocks. Fox had 7 points in the loss.
25. Game four of the 69-70 WCF's, against Atlanta, in a 133-114 sweeping win. Wilt with 11 points on 5/10 FG, 21 rebounds and 10 blocks. Bellamy had 19 points in the loss.
26. Game six of the 69-70 Finals, against NY, in a 135-113 win. Wilt with 45 points, on 20-27 shooting, with 27 rebounds. Nate Bowman had 18 points, on 9-15 shooting, with 8 rebounds in the loss.
27. Game seven of the 69-70 Finals, against NY, in a 113-99 loss. Wilt with 21 points, on 10-16 shooting, with 24 rebounds. HOFer Willis Reed had 4 points, on 2-5 shooting, with 3 rebounds in the win.
28. Game seven of the first round of the 70-71 playoffs, against Chicago, in a 109-98 win. Wilt with 25 points on 7/12 FG,18 rebounds and 9 assists. 7-0 Tom Boerwinkle had 4 points for the Bulls in the loss.
29. Game five of the 70-71 WCF's, against Milwaukee, in a 116-94 loss. Wilt had 23 points, on 10-21 shooting, with 12 rebounds, 6 blocks (5 of them on Alcindor/Kareem.) Kareem had 20 points, on 7-23 shooting, with 15 rebounds, and 3 blocks in the win. Incidently, Wilt received a standing ovation when he left the game late...and the game was played in Milwaukee.
30. Game four of the 71-72 first round of the playoffs, against Chicago, in a 108-97 sweeping win. Wilt had 8 points on 4/6, 31 rebounds and 8 assists. Clifford Ray had 20 points in the loss.
31. Game six of the 71-72 WCF's, against Milwaukee, in a 104-100 win. Chamberlain with 20 points, on 8-12 shooting, with 24 rebounds, and 9 blocks (six against Kareem.) Kareem had 37 points, on 16-37 shooting, with 25 rebounds in the loss.
32. Game five of the 71-72 Finals, against NY, in a 114-100 win. Chamberlain with 24 points, on 10-14 shooting, with 29 rebounds, and 9 blocks. HOFer Jerry Lucas had 14 points, on 5-14 shooting, with 9 rebounds in the loss.
33. Game seven of the first round of the 72-73 playoffs, against Chicago, in a 95-92 win. Wilt with 21 points on 10/17 FG, 28 rebounds, 4 asissts and 8 blocks. His opposing center, Clifford Ray, had 4 points.
The article about this series sad that Wilt blocked Chicago from playoffs after blocking 49 shots in 7 games.
34. Game five of the 72-73 WCF's, and against Golden St., in a 128-118 win. Wilt with 5 points on 2/2 FG, 22 rebounds, 7 assists. Thurmond had 9 points on 2/9 FG, 18 or 15 rebounds and 5 assists in 32 minutes in the loss.
35. Game five of the 72-73 Finals, against NY, in a 102-93 loss. Wilt with 23 points, on 9-16 shooting, with 21 rebounds. Willis Reed had 18 points, on 9-16 shooting, with 12 rebounds.
That was it. 35 "must-win" elimination and/or clinching post-season games.