15 -
Probleemblad, 1999
13+13. Beweispartie in 6.5 Zügen (2 Lösungen)
[r1bqkbn1/pp1pppp1/8/7p/8/8/P3PPPP/RNBQKBNR]
1. Bb2-b4 Bh7-h5 2. Bb4-b5 Th8-h6 3. Bb5-b6 Th6-c6 4. bb6:Bc7 Tc6:Bc2 5. Bc7:Sb8=D Tc2:Bd2 6. Db8-d6 Td2:Dd1 7. Dd6:Td1
1. Bb2-b4 Bh7-h5 2. Bb4-b5 Th8-h6 3. Bb5-b6 Th6-d6 4. Bb7:Bc7 Td6:Bd2 5. Bc7:Sb8=L Td2:Bc2 6. Lb8-f4 Tc2:Lc1 7. Lf4:Tc1