May 2002

H438 -

Probleemblad, June 2002

Dedicated to Michel Caillaud

10+14. h#2 a) Diagram b) Rg5->g8

[8/3qp3/3pbp2/2pP1pr1/1pPkPK1B/1P1p1PP1/Pp4Pr/6b1]

R169 -

Probleemblad, June 2002

[r1bqkb1r/ppp1pppp/2n1p3/7Q/8/4K3/PPP1PPPP/RNB2BNR]

R170 -

Probleemblad, June 2002

13+13. Proof game in 7.5 moves

[r1b3nr/pppk1ppp/2p5/6B1/1b6/5P2/PPP1KPPP/RN3B1R]

R171 -

Probleemblad, June 2002

15+12. a) Proof game in 9.0 moves b) Proof game in 9.5 moves

[rn1kq2r/pp4pp/5p2/2p5/8/4b3/PPPP1PPP/RNBKQBNR]

R172 -

Probleemblad, June 2002

16+8. Proof game in 23.5 moves

[1n2k3/2QR4/5rR1/PPPPPPPP/1bq3np/4B3/3r4/1N2KBN1]

R173 -

Probleemblad, June 2002

A1
4+13. |
B1
2+0. |

A2
2+9. |
B2
0+0. |

(Alice chess) Find a "proof game" in 16.0 moves, starting from position 1, and finishing with position 2. The upper two diagrams are for position 1, the lower two are for position 2. (Black begins) (2 solutions)

A1: [2b1kb2/1ppppppp/8/8/2N3P1/BB6/7n/1r1n4]

B1: [8/8/8/8/8/8/8/2R1K3]

A2: [2bk1b2/1pppppp1/8/8/8/3R4/8/5K2]

B2: [8/8/8/8/8/8/8/8]

R174 -

Probleemblad, June 2002

2+0. (Circe) Add wK, wQ, bK, bB, bP for an illegal cluster

[8/8/8/8/8/8/4B2P/8]