No. 203, Oct 2003
12042 - Rene J. Millour Die Schwalbe, 202, August 2003
A: 10+8.
B: 9+7.
A => B in 3 moves (6.1;1.1;1.1). G=grasshopper, N=nightrider
A: [8/3pP3/1N4pG/1pp2k1N/R5p1/7p/BP3p2/2KQN3] B: [8/3p4/1N4pG/1pp2k1N/R5p1/7p/BP6/2KQN3]
12043 - Christoph Fieberg Die Schwalbe, 202, August 2003
14+14. Shortest proof game in 11.0 moves
[r1b1knnb/ppp2p2/4pPp1/4pPp1/5P2/8/PPPP3P/RNB1K1NR]
12044 - Eyjolfur Eyjolfsson Die Schwalbe, 202, August 2003
13+15. Shortest proof game in 12.0 moves
[r1b4r/ppRpnppp/2n1p3/2k5/1pB5/2NPP3/PPq3PP/RNB3K1]
12045 - Reto Aschwanden Die Schwalbe, 202, August 2003
14+14. Shortest proof game in 14.0 moves
[r1bn4/ppnp1k1q/7B/2p2p1p/8/b2Pr3/PPP1P1P1/RN1QKBNR]
12046 - Gerd Wilts Die Schwalbe, 202, August 2003 Dedicated to Michel Caillaud
13+16. Shortest proof game in 23.5 moves
[n3r1n1/1pp1pp1p/1b1p1p2/p3k3/1P2N3/1b5r/2PPPP1P/Rq1QKBNR]
12047 - Henryk Grudzinsky Die Schwalbe, 202, August 2003
12+13. Shortest proof game in 19.0 moves (Eiffel chess)
[2b3k1/p1pp3p/r1n2p1R/3Kp3/Pr5q/b3N3/1PPPPPP1/R4B2]
12048 - Alessandro Cuppini Die Schwalbe, 202, August 2003
8+12. h#2 a) diagram b) bPc7->g6
[r3k1b1/1pp1p1p1/4p3/bp6/1pn3P1/1P6/2P1P1PP/R3K3]
12049 - Dmitry Baibikov Die Schwalbe, 202, August 2003
10+9. Which queens are promoted?
[kQQQQQQQ/1pK2ppp/QPpp4/p7/p7/8/8/8]
11583v - Alexander Zolotarev Die Schwalbe, 202, August 2003
12+11. Add a black pawn and release the position
[rQ6/bbRp2p1/K1p1pP2/3P4/k1P5/bbP5/RPP3P1/rB6]
11588v - Andrei Frolkin, Andrei Kornilov Die Schwalbe, 202, August 2003
0+0+23. Add the necessary pieces and color the pieces in such a way that the position can be reached in a unique (shortest) proof game.
[5nb1/1p1ppppp/p2pppk1/8/1b4b1/1q5p/pp1n1pp1/3k4]
Intention is: Add Ra8, Rh8, Sg1 and color so the position becomes:
14+12. Shortest proof game in 22.0 moves
[r4nBr/1p1PPPpp/p2pppk1/8/1B4b1/1Q5P/PP1N1PP1/3K2N1]