No. 246, December 2010
zu 14511 - Silvio Baier
Die Schwalbe, No. 246, 12/2010
13+16. Proof game in 22.5 moves
[4nb2/1ppb1pp1/2k2np1/5pr1/1r6/1pqp4/1PPP1PP1/RNBQKBNR]
Solution Replay
1. h4 a5 2. Th3 a4 3. Tb3 axb3 4. e4 Ta4 5. e5 Tb4 6. a4 d5 7. a5 d4 8. a6 d3 9. a7 Dd4 10. Ta6 Dc3 11. Tf6 exf6 12. e6 f5 13. e7 Kd7 14. e8=T Sf6 15. Te6 Se8 16. Tg6 hxg6 17. a8=T Th5 18. Ta1 Tg5 19. h5 Kc6 20. h6 Sd7 21. h7 Sf6 22. h8=T Ld7 23. Th1
Ceriani-Frolkin, Pronkin
14696 - Andrej N. Frolkin, Günther Weeth
13+14. Resolve the position!
[k7/NRpp1pn1/RpP4p/b4P1P/pPP5/B1rP4/Qqrp2P1/nK6]
Solution
The solution not available yet. Please contribute!
14697 - Nikolai Beluchow
14+12. Last move of the white king?
[Nn1B4/qBQrpN2/kpppRP2/4Pp2/K1P5/RP2p3/p1PP3p/8]
14698 - Nikolai Beluchow
Hugo August gewidmet
16+10. How many times was the black king checked in the last 66 single moves?
[4Nb2/p1ppp1pp/1RR4N/1P1k1BK1/1p2Q1B1/1P2BP2/2PPPQ2/6n1]
14699 - Yaakov Mintz
12+12. Proof game in 8.5 moves
[r1bqkbnr/1p1pp1pp/8/8/8/8/PPP2PP1/RNBQKB1R]
1.d4 f6 2.Lg5 fxg5 3.d5 g4 4.d6 g3 5.dxc7 gxh2 6.cxb8=L hxg1=S 7.Lxa7 Sxe2 8.Le3 Sc1 9.Lxc1
Ceriani-Frolkin, Pronkin, Homebase
14700 - Silvio Baier
13+15. Proof game in 21.0 moves
[r1k4r/2pqp2n/1n2p1p1/1p2bp2/2bp4/8/2PPPPP1/RNBQKBNR]
1. b4 d5 2. b5 Le6 3. b6 Sd7 4. bxa7 b5 5. a4 Sb6 6. a5 Dd7 7. a6 0-0-0 8. a8=L d4 9. Le4 Lc4 10. Lg6 hxg6 11. a7 Th3 12. a8=L Ta3 13. Le4 Ta8 14. Lf5 gxf5 15. h4 g6 16. h5 Lg7 17. h6 Le5 18. h7 Sf6 19. h8=D Sh7 20. Df6 Th8 21. De6 fxe6
Ceriani-Frolkin, Platzwechsel, Homebase
14701 - Nicolas Dupont
10+15. Proof game in 26.0 moves
[nq2b1n1/1pr3p1/1p1b1rk1/1p4p1/8/8/1pPP2p1/RNBQKBNR]
1. f4 h5 2. f5 h4 3. f6 h3 4. fxe7 hxg2 5. h4 Th6 6. h5 Tf6 7. h6 a5 8. h7 a4 9. h8=S a3 10. Sg6 axb2 11. a4 fxg6 12. a5 Kf7 13. e8=T g5 14. Te6 Kg6 15. Tc6 dxc6 16. a6 Ld7 17. a7 Sa6 18. e4 Tc8 19. a8=S Ld6 20. Sb6 cxb6 21. e5 Sc7 22. e6 Sa8 23. e7 Tc7 24. e8=T Db8 25. Te5 Le8 26. Tb5 cxb5
Ceriani-Frolkin, Homebase
14702 - Bernd Gräfrath
13+14. Proof game in 13.5 moves (Single Combat Chess)
[rn1qkbnr/ppp1pp1p/1P4p1/6P1/2P5/8/2PP1P1P/RNB1K1NR]
1. g4 g6 2. g5 d5 3. e4 dxe4 4. Lb5+ Sd7 5. Lc6 e3 6. Lg2 e2 7. Lf1 exf1=L 8. b3 Lc4 9. bxc4 Sc5 10. Dg4 Sa6 11. Dd7+ Lxd7 12. a4 Lb5 13. axb5 Sb8 14. b6
14703 - Wolfgang Dittmann
10+11. Retract 7 moves, then #1 (Proca Retractor, Anticirce Cheylan)
[b4N2/Bpk5/1pP2P2/bp4b1/rP3P1P/1P6/q1P5/bbK5]
14704 - Stephan Dietrich
Place a white rook, a white Bishop and a white knight on a chess board (3+0). How many positions exist in which each unit covers exactly one other unit?
A unit which made White's/Black's previous move has to make the next one unless no legal moves are available for it.