Netherlands - World Championships System Review

Bertens-Bakkeren

http://www.worldbridge.org/people/person.asp?qryid=4567
http://www.worldbridge.org/people/person.asp?qryid=15719
Summary: many years of world class experience

Approach: Modern (i.e. 1C bal or Cs)

1C: 2+, natural or 12-14/18-19 bal
1D: 4+
1M: 5+ (4 possible in 3rd)
1NT: 14+-17- (semi-bal possible)
2C: Semi-Multi: Weak, 3-10 5+Ds, 20-21 Bal, 26-27 Bal, Game Force one suiter
2D: Semi-Multi: Weak, 3-10 5(6)Hs, 22-23 Bal, 28-29 Bal, Game Force two suiter
2M: 2H: Semi-Multi: Weak, 3-10 5(6)Ss, 24-25 Bal, 30-31 Bal, Game Force three suiter. 2S: Weak, 3-10, 5S+5m, NV vs. Vul 1/3 can be 5S+4m
2NT: 5-5ms, weak or game force, 5m4m possible NV vs. VUL in 3
1NT Overcall: range not provided, likely same as opening
Jump Overcalls: Weak, 1C-2D 5H + 4+S
Cues: 1M-2M: OM+ m, 1D-2D: Ms, 1C-2C : Cs
1X Relays/1C Transfers/Gazzilli: None

Watch for: Semi-Multis 2C/D/H, Ask if Bal hands can open 1D, Ask 1NT overcall range


Brink-Drijver

http://www.worldbridge.org/people/person.asp?qryid=3391
http://www.worldbridge.org/people/person.asp?qryid=16819
Summary: many years of world class experience

Approach: Modern (i.e. 1C bal or Cs)

1C: 2+, natural or 12-14/18-19 bal
1D: 5+ or 4-4-4-1
1M: 5+
1NT: 15-17, 9-12 NV vs. VUL in 1st
2C: Strong: Any Game Force
2D: Weak, 3-10, 5+Ds
2M: Weak, 3-10, 5+M
2NT: 21-23
1NT Overcall: range not provided, over M 4OM+5+m, over m 4M+5+om
Jump Overcalls: Weak, 1C-2D Ms
Cues: 1M-2M: OM+ m, 1D-2D: Ms, 1C-2C : Cs
1X Relays/1C Transfers/Gazzilli: 1D/1M-2C Relay

Watch for: Ask weak two style, Ask 1NT overcall range

de Wijs-Muller

http://www.worldbridge.org/people/person.asp?qryid=21130
http://www.worldbridge.org/people/person.asp?qryid=4569
Summary: many years of world class experience

Approach: Big Club

1C: 16+
1D: (3)4+, unbal, 11-15, only 3D if 4-1-3-5 or 1-4-3-5, can be light and/or Bal in 3rd
1M: 5+ (4 possible in 3rd), 11-15
1NT: 12+-15 (can be 11 in 3rd), semi-bal possible
2C: 6+Cs, 11-15
2D: Short D, 11-15
2M: Weak, 5-10, (5)6M
2NT: Weak, 7-10,5-5ms
1NT Overcall: 15-17
Jump Overcalls: Weak except Vul jumps to 2 Intermediate, 1C-2D Ms
Cues: 1M-2M: OM+ D, 1m-2D: Ms
1X Relays/1C Transfers/Gazzilli: 1D/S-1NT Relay, 1H-1S Relay

Watch for: Big Club, short D 2D