R63 -
Problemesis 28, August 2002
11+11. Beweispartie in 12.5 Zügen
[Rnbqk1nR/2pppp2/8/8/8/8/P1P1P2P/rN1QKBNr]
1. Bf2-f4 Ba7-a5 2. Bf4-f5 Ba5-a4 3. Bf5-f6 Ba4-a3 4. Bf6:g7 Ba3:b2 5. Bg7:h8=T Bb2:a1=T 6. Lc1-b2 Lf8-g7 7. Lb2-c3 Lg7:c3 8. Bd2:c3 Bh7-h5 9. Bc3-c4 Bh5-h4 10. Bc4-c5 Bh4-h3 11. Bc5-c6 Bh3:g2 12. Bc6:b7 Bg2:h1=T 13. Bb7:a8=T