1: P-Q4, Kt-KB3 (Gibaud)
2: Kt-Q2, P-K4
3: PxP, Kt-Kt5
4: P-KR3, Kt-K6
As a fifth move would have resulted in a Q-KR5 check or the loss of his queen, Gibaud resigned.
[In his autobiography, Lazard described another (amateur) game which he won as follows:
1. d4 d5
2. b3 Nf6
3. Nd2 e5
4. dxe5 Ng4
5. h3 Ne3
6. White resigned.]