|  TRT 1 : Dealer is N       None  Vulnerable |  
North * 
♠    A K  10 8 5 
 
♥   10  4 2 
 
♦    A K 5  
♣   A 4 
 | East  
♠  4 2    
♥   K Q J 8  
♦   J 10 6 3  
♣  9 7 3 
 |  
West 
♠  Q J 9   
♥   7 5 3  
♦  Q 8 7 2   
♣  J 10  5 
 | South 
♠    7 6 3 
 
♥   A 9 6  
 
♦   9 4  
♣   K Q 8 6  2
 |  
Bidding : (N) 1♠ - 2♠ - 3♠  - 4♠
 Lead : (E) K♥
 Play : Draw only 2 rounds of trumps, then  cash Dummy's ♣ winners, discarding  ♥ losers in Declarer's hand while  forcing Opponent to ruff. Finally play 3 rounds of  ♦ ruffing the third round in Dummy. 
 |  
 
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|  TRT 2 : Dealer is E        
  NS Vulnerable |  
North  
♠   K J 6  
♥  Q J 10   
♦   Q 8 7 6 4  
♣  10 9 
 | East * 
♠ - A Q 7 3 
♥ -  A K  9   
6 3 
♦ - 9 3  
♣ - K 7
 |  
West 
♠ -  9 5   
♥ - 5 4 2  
♦ -  J 2 
♣ - A Q 8 6 4 2
 | South 
♠   10 8 4 2 
♥   8 7  
♦   A K 10 5   
♣  J 5 3 
 |  
Bidding : (E) 1♥   - 2♥  -  4♥ 
 Lead : (S) K♦
 Play : Draw 3 rounds of trumps, so that you can safely run Dummy's ♣ suit.
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 |  STRT 3 : Dealer is S       EW Vulnerable |  
North  
♠   A 7 6 3 
 
♥   A 6 5 3 
♦   6 2  
♣   8 6 4 
 | East  
♠   Q 10 9  
♥  Q 9 4   
♦    Q 9 8 4 
♣  Q 7 2 
 |  
West 
♠   K J  
♥   J 10 8 7  
♦   J 10 7  
♣  J 10 9 5
 | South * 
♠    8 5 4 
2 
♥   K 2  
♦    A K 5 3 
♣   A K 3
 |  
Bidding  : (S) 1NT - 2♣ - 2♠  - 4♠
 Lead : (W) J♣
 Play : Draw 2 rounds of trumps, A♠ 2nd time. Then cross ruff the red suits.
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|  TRT 4 : Dealer is W     All Vulnerable  |  
North  
♠  6 5 4   
♥  K 10 3   
♦    9 8 5  
♣  K Q J 9 
 | East  
♠    K J 10 
7 
♥   A 8 5 4 2 
 
♦   10 4 3  
♣   7 
 |  
West * 
♠   A Q 9 8
 
♥   6  
♦    A 7 6 2 
♣   A 8 6 5 
 | South  
♠    3 2 
♥  Q J 9 7   
♦  K Q J  
♣  10 4 3 2 
 |  
Bidding :  (W) 1♦ - 1♥ - 1♠ - 4♠
 Lead : (N) K ♣
  Play : Do not draw trumps. Cash your 3 Aces then cross ruff ♣ and ♥
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