序盤に55で始まるアタッキングゲーム(ブリッツ)のリファレンスポジションです。
新改訂版バックギャモンブックのP174~175に掲載されているポジションが多いです。
1.No double/Dobleボーダー No double寄り
白の先手
白 21:24/23 13/11
黒 55:8/3(2) 6/1*(2)
白:ダンス
Analyzed in XG Roller++ | No double | Double/Take |
Player Winning Chances: | 60.42% (G:29.60% B:0.93%) | 60.48% (G:29.71% B:0.94%) |
Opponent Winning Chances: | 39.58% (G:9.42% B:0.45%) | 39.52% (G:9.51% B:0.47%) |
Cubeless Equities | +0.415 | +0.833 |
Cubeful Equities | ||
No double: | +0.569 | |
Double/Take: | +0.544 (-0.025) | |
Double/Pass: | +1.000 (+0.431) | |
Best Cube action: No double / Take | ||
Percentage of wrong pass needed to make the double decision right: 5.2% |
eXtreme Gammon Version: 2.10
2.No double/Dobleボーダー
白の先手
白 32:24/21 13/11
黒 55:8/3(2) 6/1*(2)
白:ダンス
Analyzed in XG Roller++ | No double | Double/Take |
Player Winning Chances: | 61.19% (G:30.55% B:0.94%) | 61.16% (G:30.48% B:0.92%) |
Opponent Winning Chances: | 38.81% (G:9.02% B:0.43%) | 38.84% (G:8.99% B:0.43%) |
Cubeless Equities | +0.444 | +0.886 |
Cubeful Equities | ||
No double: | +0.597 (-0.005) | |
Double/Take: | +0.602 | |
Double/Pass: | +1.000 (+0.398) | |
Best Cube action: Double / Take |
www.eXtremeGammon.com Version: 2.10
3.Double / Take
白の先手
白 43:24/20 13/10
黒 55:8/3(2) 6/1*(2)
白:ダンス
Analyzed in XG Roller++ | No double | Double/Take |
Player Winning Chances: | 62.68% (G:32.14% B:1.03%) | 62.64% (G:32.87% B:1.04%) |
Opponent Winning Chances: | 37.32% (G:8.59% B:0.43%) | 37.36% (G:8.68% B:0.43%) |
Cubeless Equities | +0.495 | +1.002 |
Cubeful Equities | ||
No double: | +0.663 (-0.068) | |
Double/Take: | +0.731 | |
Double/Pass: | +1.000 (+0.269) | |
Best Cube action: Double / Take |
eXtreme Gammon Version: 2.10
4.Take/Passボーダー Pass寄り
白の先手
白 62:24/18 13/11
黒 55:8/3(2) 6/1*(2)
白:ダンス
Analyzed in XG Roller++ | No double | Double/Take |
Player Winning Chances: | 65.61% (G:37.95% B:1.24%) | 65.85% (G:38.39% B:1.24%) |
Opponent Winning Chances: | 34.39% (G:7.60% B:0.38%) | 34.15% (G:7.58% B:0.39%) |
Cubeless Equities | +0.624 | +1.267 |
Cubeful Equities | ||
No double: | +0.784 (-0.216) | |
Double/Take: | +1.020 (+0.020) | |
Double/Pass: | +1.000 | |
Best Cube action: Double / Pass |
eXtreme Gammon Version: 2.10
5.Double/Pass
白の先手
白 52:24/22 13/8
黒 55:8/3(2) 6/1*(2)
白:ダンス
Analyzed in XG Roller++ | No double | Double/Take |
Player Winning Chances: | 67.28% (G:40.30% B:0.58%) | 67.30% (G:40.77% B:0.58%) |
Opponent Winning Chances: | 32.72% (G:7.30% B:0.36%) | 32.70% (G:7.39% B:0.39%) |
Cubeless Equities | +0.678 | +1.364 |
Cubeful Equities | ||
No double: | +0.878 (-0.122) | |
Double/Take: | +1.129 (+0.129) | |
Double/Pass: | +1.000 | |
Best Cube action: Double / Pass |
eXtreme Gammon Version: 2.10
6.Too good to double / Pass
黒の先手
黒 31:8/5 6/5
白 52:24/22 13/8
黒 55:8/3(2) 6/1*(2)
白:ダンス
Analyzed in XG Roller++ | No double | Double/Take |
Player Winning Chances: | 74.12% (G:49.89% B:0.63%) | 74.13% (G:50.27% B:0.65%) |
Opponent Winning Chances: | 25.88% (G:5.31% B:0.26%) | 25.87% (G:5.43% B:0.28%) |
Cubeless Equities | +0.932 | +1.869 |
Cubeful Equities | ||
No double: | +1.075 | |
Double/Take: | +1.685 (+0.609) | |
Double/Pass: | +1.000 (-0.075) | |
Best Cube action: Too good to double / Pass | ||
Percentage of wrong take needed to make the double decision right: 11.0% |
eXtreme Gammon Version: 2.10
まとめ
- 白のバックマンの位置によってキューブアクションが大きく変わる。
- 白がミッドポイントから14~16ポイントにビルダーをおろしていると、黒にヒットされる可能性があるので、白にとって少しマイナス。
- 黒のミッドポイントからアウターに1枚攻め駒を増やすだけで、キューブレベルが一つ上がる。(Double/Takeのポジションが、Double/Passなる。)