Jul-Aug 2004 - SOLUTIONS

R234c -

Retract: -1. Ke1xPf2 f3-f2 -2. Ke2xPd2 Ke7-f6 -3. Ke1-e2 d3-d2 -4. Kd5xQe5! Kd8-e7 -5. Rc7-c1 and

Forward: 1. Rd7#

Tries: -4. Ke5xQf6? Qf8-f6!; -2. Ke2xRf1? Ke7-f6 -3. Re1-e2 Bh8-g7! and Rf1 guards a1.

Cook: -1. Ra1-c1! and lots of variations, all ending in mate after 4 retractions, e.g. -1. .. Bg4-h5 -2. Ra1xQc1 Q~-c1 -3. Rd5xPd2 d3-d2 -4. Kf8xR/Se8 and 1. Kf7#

Correction:

R234cc -

3+4. Retract 5 moves; then #1 (Proca Retractor, Anticirce)

[8/6b1/3N1k2/7b/4p3/8/2R5/4K3]

Solution see above. -1. Rc1-c2? doesn't work because of -1. .. Bf8-g7! -2.
Ra1-c1 Bf8xBe7!

R251 - ,

I) +VA e6 f7 f1 g2 h3
II) +VA c4 d7 e6 f5 g4
III) +VA f5 g4 h3 f3 e2

COOK: VA c2 d3 e6 f5 h3, and similar positions.

R252 -

I) 1. Nf3 e5 2. Nd4 Ba3 3. Nc6 Qe7 4. Nxb8 Qc5 5. Nc6 Ne7 6. Nd4 O-O 7. Nf3 Rd8 8. Ng1 Kf8 9. f3 Ke8

II) 1. Nc3 e5 2. Nd5 Ba3 3. Ne7 Nc6 4. Nxg8 Qe7 5. f3 Qc5 6. Nf6+ Ke7 7. Ne4 Rd8 8. Nc3 Ke8 9. Nb1 Ne7

R253 -

After Etienne Dupuis (R053)

1. d4 Nf6 2. Bh6 gxh6 3. g4 Bg7 4. g5 O-O 5. g6 Re8 6. gxf7+ Kf8 7. fxe8=N h5 8. Nd6 h4 9. Nxc8 Ke8 10. Nb6 axb6 11. Qd2 Ra3 12. Qa5 Rg3 13. Nc3 Bf8 14. O-O-O Rg8 15. Rd2 Rh8 16. Nd1 Ng8

Complete uncastling, with sibling rook.

R254 -