Void crossruff — the Friend's view (Korean card game)
'Me' at the bottom is the viewpoint player; P2–P5 are the other four seats.
Setup
Mighty Basics Replay. This game is from the Friend's view: a team attack trading each other's void suits. I am the Friend. Trump (giruda) is ♦, contract 13, declarer P4. The Friend card is the Joker, and I hold it. As you watch, keep counting who is void in which suit. The declarer discarded ♣2 and ♣6 in the exchange, voiding clubs. My only heart, ♥4, will soon be gone. The key: draw the defenders' trumps first, then lead each other's voids and ruff in turns (crossruff).
Trick 1
Declarer P4 opens with the boss card ♥A. Opening lead with a boss card. I can't win, so I play ♥4, my only heart. Now I'm void in hearts. Nobody knows yet, but if the declarer leads hearts later, I can ruff with trump.
Trick 2
The declarer leads a low trump, ♦3. Having called the Joker as Friend, the declarer says "Friend, take it": handing the lead to the Friend. I win with the Joker, revealing myself as the Friend and taking the lead. Defender P2 saves ♦A and plays ♦J; P5 plays ♦2, already out of trumps.
Trick 3
With the lead, I play the boss ♣A and take 2 points. Backing the declarer with bosses. Here, declarer P4 plays ♠Q instead of a club. It signals no clubs, and loads a point card onto my winning trick. Now the declarer's club void is out in the open. Remember this.
Trick 4
With the boss ♣A spent, I have only trumps and low cards left. Now it's time for the trump drain, to pull the defenders' trumps. I lead ♦10; P2 tries to win with ♦A, but the declarer tops it with the Mighty for 3 points. P5 plays ♠6 instead of trump, revealing a diamond void. In fact, after this trick the three defenders had no trumps left.
Trick 5
The declarer draws trumps once more with ♦K. Neither P2 nor P3 can follow, confirming every defender is void in diamonds. Defenders out of trumps. So stop draining: keep the rest as ruffing weapons, not leads.
Trick 6
The declarer leads a low ♥5; P5 plays ♥J, but I'm void in hearts and ruff with ♦4. The defenders have no trumps, so even a low trump can't be beaten. This trick also reveals my heart void. Now we both know each other's voids: the declarer's clubs, my hearts.
Trick 7
Now the back-and-forth begins. I lead ♣4, the declarer's void suit. Leading the partner's void suit. The defenders must follow, so P2's ♣10 and P3's ♣J fall, and the declarer ruffs with ♦9 for 2 points. With no trumps, the defenders can't over-ruff.
Trick 8
The declarer hands the lead right back. This time it's ♥7, my void suit. P5 must follow with ♥K, and I ruff with ♦6 for 2 points. Declarer leads, I ruff; I lead, declarer ruffs. The lead stays between the two of us.
Trick 9
Again I lead ♣5, the declarer's void suit. P2's ♣Q and P5's ♣K are dragged out, and the declarer ruffs with the last trump, ♦Q: 3 points. Holding point cards, the defenders had to follow suit and feed them to our tricks. From trick 6 to 9, four ruffs collected 8 points.
Trick 10
With trumps gone, the last trick goes to P2's ♠K, giving up 3 points. But we were already well past the contract, so it didn't matter.
Result
17:3, a big win over contract 13. Recap: Joker took the lead, ♣A exposed the club void, trumps were drawn, then we crossruffed. With no trumps, the defenders couldn't stop it, and following suit with point cards fed our score. Count your partner's voids, not just your own, to pull off a team attack like this. You can step through this game in the Basics Replay section of Mighty Korea's school (mightykorea.com).