VS: Vikor Solution. I have 16 developments now, all of them are published on this homepage. My original developments are all signed with this sign, Sometimes I develop new solution of a hardly negotiable situation of another player's world class …
Advanced Conventions
VS For Replacing And Refreshing The Bergen Raises
Although Marty Bergen did a genius job inventing "Bergen raises", and it is one of the most widely used conventions, there is a significant problem with the original Bergen raises. I published a new solution, which fixed the Bergen Raises …
1 Diamond-2Clubs The Game Forcing Two Over Variation
The advanced or better players can select hanging on their style between playing 1♦-2♣ as a game invitational or better bid, or they can use 1♦-2♣ as a game-forcing variation. The game invitational or better (Acol …
1 Diamond-2 Clubs, The Special Two over One Situation
There are two common variations used by the expert players. Many of them are playing also 2C response as a game-forcing bid, but I personally am a great fun of playing 1D-2C as an at least invitational response, which is …
Opener’s Options When 1NT Is Doubled in the 4th Position
Being a 1NT opener what do you do when they double you in 4th position? Just blindly pass, and leave it to your partner? Maybe you bid a good 5-card suit? Or you just redouble when you have doubts? How …
A Double Dummy Problem In A 4 Spades Doubled Contract
This hand is from Pécs, we played it in the pairs tournament. Although at the table it was Ace of diamonds lead, which is a great help, it is a nice and not too difficult problem to think about, how …
Reverse Drury Convention
Reverse Drury convention is invented to show maximum hand with 3+ card fit with 2♣ bid as a passed hand, when partner opened 1 major in the 3rd or 4th position. Using Reverse Drury convention , we can stop many …
Defensive Bidding Against Bergen and Jacoby Raise
It became very popular both the Bergen raises and the Jacoby game force raise via 2NT to 1 major openings. I suggest to play a strong defensive way against the "Weak Bergen" and against the "Strong Bergen" in vulnerable, and …
Continue After Jacoby Transfer to 1NT or 2NT, and New Major Suit Rebid in level 3
When partner gives Jacoby transfer to our 1 or 2NT opening and bids a new major on the 3rd level he showes GF hand with 5 card in both majors. The situation is paralell to the 1M-2NT (12-15 or 18-19 …
Continue After Jacoby Transfer to 1NT, and New Minor Suit Rebid
When partner gives Jacoby transfer to our 1 NT opening, and bids a new minor on the 3rd level he shows game forcing hand with 5 card in the major, and 4 card+ in the minor. The situation is paralell …