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Here is the result for 19 to 21 high card points and 18 total trumps and no double suit fit.

North South results

** best contract(NT or suit) average trick is 8.979
0 = 0.00% 0.00% 1 = 0.00% 0.00% 2 = 0.00% 0.00% 3 = 0.00% 0.00% 4 = 0.00% 0.00%
5 = 0.09% 0.09% 6 = 1.28% 1.37% 7 = 7.66% 9.03% 8 = 24.09% 33.12% 9 = 35.04% 68.16%
10 = 23.63% 91.79% 11 = 6.93% 98.72% 12 = 1.09% 99.82% 13 = 0.18% 100.00%

** best suit contract average trick is 8.974
0 = 0.00% 0.00% 1 = 0.00% 0.00% 2 = 0.00% 0.00% 3 = 0.00% 0.00% 4 = 0.00% 0.00%
5 = 0.09% 0.09% 6 = 1.28% 1.37% 7 = 7.76% 9.12% 8 = 24.09% 33.21% 9 = 35.22% 68.43%
10 = 23.36% 91.79% 11 = 6.93% 98.72% 12 = 1.09% 99.82% 13 = 0.18% 100.00%

** no trump average trick is 5.972
0 = 0.00% 0.00% 1 = 0.36% 0.36% 2 = 1.37% 1.73% 3 = 4.38% 6.11% 4 = 10.40% 16.51%
5 = 18.70% 35.22% 6 = 29.38% 64.60% 7 = 19.34% 83.94% 8 = 11.77% 95.71% 9 = 3.10% 98.81%
10 = 1.00% 99.82% 11 = 0.18% 100.00% 12 = 0.00% 100.00% 13 = 0.00% 100.00%

** spade average trick is 6.402
0 = 0.09% 0.09% 1 = 0.46% 0.55% 2 = 2.55% 3.10% 3 = 7.85% 10.95% 4 = 12.50% 23.45%
5 = 15.60% 39.05% 6 = 13.23% 52.28% 7 = 12.77% 65.05% 8 = 13.14% 78.19% 9 = 11.77% 89.96%
10 = 7.57% 97.54% 11 = 2.01% 99.54% 12 = 0.46% 100.00% 13 = 0.00% 100.00%

** heart average trick is 6.262
0 = 0.18% 0.18% 1 = 0.36% 0.55% 2 = 2.55% 3.10% 3 = 9.85% 12.96% 4 = 12.32% 25.27%
5 = 13.41% 38.69% 6 = 15.42% 54.11% 7 = 13.78% 67.88% 8 = 13.14% 81.02% 9 = 11.59% 92.61%
10 = 5.38% 97.99% 11 = 1.55% 99.54% 12 = 0.36% 99.91% 13 = 0.09% 100.00%

** diamond average trick is 6.318
0 = 0.00% 0.00% 1 = 0.73% 0.73% 2 = 3.19% 3.92% 3 = 8.12% 12.04% 4 = 12.50% 24.54%
5 = 13.78% 38.32% 6 = 13.59% 51.92% 7 = 14.14% 66.06% 8 = 14.87% 80.93% 9 = 11.04% 91.97%
10 = 5.93% 97.90% 11 = 2.01% 99.91% 12 = 0.09% 100.00% 13 = 0.00% 100.00%

** club average trick is 6.347
0 = 0.18% 0.18% 1 = 0.82% 1.00% 2 = 3.56% 4.56% 3 = 8.03% 12.59% 4 = 12.41% 25.00%
5 = 12.68% 37.68% 6 = 14.32% 52.01% 7 = 13.87% 65.88% 8 = 13.05% 78.92% 9 = 11.50% 90.42%
10 = 7.12% 97.54% 11 = 2.10% 99.64% 12 = 0.27% 99.91% 13 = 0.09% 100.00%

East West results

** best contract(NT or suit) average trick is 8.917
0 = 0.00% 0.00% 1 = 0.00% 0.00% 2 = 0.00% 0.00% 3 = 0.00% 0.00% 4 = 0.00% 0.00%
5 = 0.00% 0.00% 6 = 1.46% 1.46% 7 = 9.49% 10.95% 8 = 24.82% 35.77% 9 = 33.03% 68.80%
10 = 23.81% 92.61% 11 = 6.11% 98.72% 12 = 1.28% 100.00% 13 = 0.00% 100.00%


** best suit contract average trick is 8.910
0 = 0.00% 0.00% 1 = 0.00% 0.00% 2 = 0.00% 0.00% 3 = 0.00% 0.00% 4 = 0.00% 0.00%
5 = 0.00% 0.00% 6 = 1.46% 1.46% 7 = 9.76% 11.22% 8 = 24.82% 36.04% 9 = 32.85% 68.89%
10 = 23.81% 92.70% 11 = 6.02% 98.72% 12 = 1.28% 100.00% 13 = 0.00% 100.00%


** no trump average trick is 5.954
0 = 0.09% 0.09% 1 = 0.09% 0.18% 2 = 0.82% 1.00% 3 = 3.92% 4.93% 4 = 10.77% 15.69%
5 = 21.72% 37.41% 6 = 28.01% 65.42% 7 = 19.98% 85.40% 8 = 10.40% 95.80% 9 = 3.10% 98.91%
10 = 0.82% 99.73% 11 = 0.27% 100.00% 12 = 0.00% 100.00% 13 = 0.00% 100.00%


** spade average trick is 6.232
0 = 0.00% 0.00% 1 = 1.19% 1.19% 2 = 3.28% 4.47% 3 = 8.39% 12.86% 4 = 12.96% 25.82%
5 = 13.69% 39.51% 6 = 14.32% 53.83% 7 = 13.50% 67.34% 8 = 14.05% 81.39% 9 = 10.95% 92.34%
10 = 6.02% 98.36% 11 = 1.37% 99.73% 12 = 0.27% 100.00% 13 = 0.00% 100.00%


** heart average trick is 6.310
0 = 0.27% 0.27% 1 = 0.55% 0.82% 2 = 2.37% 3.19% 3 = 8.67% 11.86% 4 = 12.14% 24.00%
5 = 14.23% 38.23% 6 = 14.87% 53.10% 7 = 14.51% 67.61% 8 = 12.86% 80.47% 9 = 10.58% 91.06%
10 = 7.48% 98.54% 11 = 1.28% 99.82% 12 = 0.18% 100.00% 13 = 0.00% 100.00%


** diamond average trick is 6.299
0 = 0.09% 0.09% 1 = 0.55% 0.64% 2 = 3.01% 3.65% 3 = 7.66% 11.31% 4 = 14.32% 25.64%
5 = 15.60% 41.24% 6 = 11.31% 52.55% 7 = 14.96% 67.52% 8 = 12.23% 79.74% 9 = 10.77% 90.51%
10 = 7.03% 97.54% 11 = 2.10% 99.64% 12 = 0.36% 100.00% 13 = 0.00% 100.00%


** club average trick is 6.261
0 = 0.18% 0.18% 1 = 0.91% 1.09% 2 = 2.83% 3.92% 3 = 9.31% 13.23% 4 = 12.86% 26.09%
5 = 14.23% 40.33% 6 = 13.14% 53.47% 7 = 13.87% 67.34% 8 = 12.86% 80.20% 9 = 10.86% 91.06%
10 = 6.48% 97.54% 11 = 1.92% 99.45% 12 = 0.55% 100.00% 13 = 0.00% 100.00%

North south score non-vul = 189.18
North south score vul = 237.66
East West score non-vul = 183.10
East West score vul = 228.81

North south cannot make any contract = 1.37%
North south make partial contract = 76.19%
North south make any game = 21.17%
North south make any small slam = 1.09%
North south make any grand slam = 0.18%
East West cannot make any contract = 1.46%
East West make partial contract = 77.28%
East West make any game = 19.98%
East West make any small slam = 1.28%
East West make any grand slam = 0.00%