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StrateGems

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.