No. 27, Jul-Sep 2004
R0114 - Wolfgang
Dittmann
StrateGems 27, Jul-Sep 2004
Retract -1. Bh5xPg4 R~d1 -2. Sf8xBe6! B~d7 (forced, to avoid retrostalemate)
-3. Sd7-f8 and 1. Sf6#.
White uses the threat of retrostalemate to coerce black.
R0115 - Wolfgang
Dittmann
StrateGems 27, Jul-Sep 2004
Retract -1. Kb2xQa2! (immobilizing all but bPe2) Kf8-e7 -2. Bc1-g5
e3-e2 -3. Bd5-h1 e4-e3 -4. Bh8xBg7! e5-e4/Bh6-g7 -5. h7-h8=B and 1.
h8=Q#
P0156 - Michael
Grushko
StrateGems 27, Jul-Sep 2004
1. g3 d5 2. Bh3 Bh3 3. b3[wBh4] Bd7 4. Ba3 e6 5. Qc1 Ba3 6. Qa3 Ba4
7. Qf8 Kf8 8. ba4 Qe8[bBb4]
Color shift of a white and a black bishop, hidden by annihilation
of the other bishops.
P0157 - Kevin
Begley
StrateGems 27, Jul-Sep 2004
Dedicated to fpaw
1. f4 d5 2. f5 Bf5 3. c4 e6 4. c5 Bc5 5. Qc2 Se7 6. Qc5[bBc8] OO 7.
Qf2 Re8 8. Qf5[bBf8] Kh8 9. Qc2 Sg8 10. Qd1
Color shift of the black bishops helps the white pawns find their
way off the board, then the white queen circuit gets the bishops back
home.
P0158 - C.C.
Frankiss
StrateGems 27, Jul-Sep 2004
1. d4 Na6 2. d5 Rb8 3. d6 cxd6 4. h4 Nc7 5. h5 Na8 6. Rh4 Qa5+ 7.
Rb4 Kd8 8. h6 Qh5 9. hxg7 Nh6 10. gxf8=N Rg8 11. Ne6+ fxe6 12. e3 Qe8
13. Qh5 Nf7 14. Ne2 Nh8
Interchange of R/S, K/Q and R/S with Frolkin knight thrown in for
good measure
P0159 - C.C.
Frankiss
StrateGems 27, Jul-Sep 2004
1. h4 Nc6 2. h5 Ne5 3. h6 Ng6 4. hxg7 h5 5. a4 Rh6 6. Ra3 Nh8 7. Re3
Rc6 8. Re6 dxe6 9. b3 (tempo) Qd6 10. b4 Bd7 11. b5 O-O-O 12. b6 Kb8
13. bxc7+ Ka8 14. c8=R+ Qb8 15. Rc7 Be8 16. Rd7 Rcc8
The black pieces pair up on the back rank.