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Retro-Mailingliste, 1997
14+16. Beweispartie in 7.0 Zügen (2 Lösungen)
[rnb2b1r/ppppqkpp/4pp2/3n4/8/3PP3/PPP3PP/RNB1KBNR]
1. Be2-e3 Sg8-f6 2. Dd1-g4 Sf6-d5 3. Dg4-e6 Bf7:De6 4. Bf2-f4 Ke8-f7 5. Bf4-f5 Dd8-e8! 6. Bf5-f6 Be6:Bf6 7. Bd2-d3 De8-e7
1. Bf2-f4 Be7-e6 2. Bf4-f5 Ke8-e7 3. Bf5-f6 Sg8:Bf6 4. Be2-e3 Sf6-d5 5. Dd1-h5 Bf7-f6 6. Dh5-f7+ Ke7:Df7 7. Nd2-d3 Dd8-e7