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StrateGems

No. 35, Jul-Sep 2006

R0127 - Andrei Frolkin, Andrei Kornilov

StarteGems 35, Jul-Sep 2006

Retract: 0. ... Se7-d5# -1. f2-f3 Bf3-h5 -2. Bh8-Qg7 Gg4-g7 -3. Bg7-h8 Bc6-f3 -4. Bh8xRg7 Rg5-g7 -5. Bg7-h8 Bd7-c6 -6. Bh8xSg7 Bc8-d7 -7. Ke5-f6 d7-d6.

Try: -1... Qa7-b8? -2. Bh8xRg7 Rg4-g7 -3. Bg7-h8 Qa3-a7 -4. Bh8xSg7 Qc1-a3 -5. ?? Qa3xRc1.


R0128 - Klaus Wenda

StarteGems 35, Jul-Sep 2006

Retract -1. c2-c4 Sc4-e3 -2. f7xBe8=Q Bc8-f5 -3. b5xc6ep and 1. f8=Q Qd1#. Tries: -3. b4xRc5? or b5xSc6? destroy the selfmate, because white can defend himself by replaying those captures in the forward play.


R0129 - Wolfgang Dittmann

StarteGems 35, Jul-Sep 2006

Retract -1. d3xBe4 Qd5-f7 -2. Sc8-d6 Qe6-d5 -3. b5xa6ep! a7-a5 -4. Sd6-c8 Qd5-e6 -5. Sc8-d6 Qe6-d5 -6. Sd6-c8 Qd5-e6 -7. Sc8-d6 and now black must avoid -7...Qe6-d5?? which repeats the position three times. -7... Qd6-d5 -8. b4-b5! (rules out Sxb5) and 1. h8=Q

Try: -3. Sd6-c8 Qd5-e6 -4. Sc8-d6 Qe6-d5 -5. Sd6-c8?? retro-stalemate, -5... Qd5-e6? is not allowed due to triple repetition.


P0191 - Marco Bonavoglia

StarteGems 35, Jul-Sep 2006

Dedicated to Sara

I) 1. d4 Sf6 2. d5 Sd5(w) 3. Se7(b) Sg8 4. c4

II) 1. c4 e5 2. Sc3 e4 3. Se4(b) Sd2(w) 4. Sb1

Two speedy switchbacks by the opposing knights.


P0192 - Marco Bonavoglia

StarteGems 35, Jul-Sep 2006

Dedicated to Sara

1. Nf3 f5 2. Ne5 d6 3. Nc4 d5 4. Nca3 f4 5. Nc3 d4 6. Ne4 e5 7. Nb1 Ne7 8. h4 Bh3 9. Rxh3 a5 10. Rb3 c5 11. Rxb7 Nec6 12. Rxb8 Nxb8

A nifty double S swap.

COOKED by Radovan Tomasevic, Timothy Chow and David Moulton: 1. h4 a5 2. Rh3 b5 3. Rh1 d5 4. Rh2 f5 5. Rh1 f4 6. Nf3 Bh3 7. Rxh3 Nf6 8. Nd4 c5 9. Nxb5 Ne4 10. Rc3 Nxc3 11. N5xc3 d4 12. Ne4 e5


P0193 - Eyjölfur Eyjölfsson

StarteGems 35, Jul-Sep 2006

1. c3 f6 2. Qc2 Kf7 3. Qxh7 Qe8 4. Qxg8+ Kg6 5. Qxf8 Qf7 6. Qxc8 Rxh2 7. Qxb8 Rh8 8. Qg8 Rf8 9. c4 Qe8 10. Qh7+ Kf7 11. Qc2 Qd8 12. Qd1 Ke8

Switchbacks of wQ, bQ, bK and bR with tempo play.


P0194 - Kostas Prentos, Andrei Frolkin

StarteGems 35, Jul-Sep 2006

1. a4 f5 2. a5 f4 3. Ra4 f3 4. Rh4 fxg2 5. f4 a6 6. Nf3 g1=B 7. Bh3 Bb6 8. axb6 Ra7 9. bxa7 g5 10. a8=Q g4 11. Qa7 g3 12. Qg1 gxh2 13. Kf2 hxg1=R 14. Qf1 Rg3 15. Ng1 Rc3 16. bxc3

The three Frolkins (Q, R, B) go like a relay race; promoted pawns are captured by another pawn en route to promotion. The switchback of Sg1 and capture of phoenix bR are extra goodies.


P0195 - Radovan Tomasevic

StarteGems 35, Jul-Sep 2006

1. h4 c6 2. h5 Qa5 3. h6 Qxa2 4. hxg7 Qxa1 5. gxh8=R Bh6 6. e3 Kf8 7. Ba6 Kg7 8. Ke2 Nf6 9. Rxc8 Nxa6 10. Rxa8 Qa5 11. Rh8 Ng8 12. Kf3 Kf8 13. Kg4 Ke8 14. Nf3 Bf8 15. Rh6 Qd8 16. Kh5 Nb8

Switchbacks galore by bQ, K, B, Sb8, Sg8, and even the white Phoenix R.

P0195c - Radovan Tomasevic

1. h4 c6 2. h5 Qa5 3. h6 Qxa2 4. hxg7 Qxa1 5. gxh8=R Bh6 6. e4 Kf8 7. Ba6 Kg7 8. c4 Nf6 9. Rxc8 Nxa6 10. Rxa8 Qa5 11. Rh8 Qd8 12. d4 Ng8 13. Bg5 Kf8 14. f4 Ke8 15. Nf3 Bf8 16. Rh6 Nb8


P0196 - Paul Raican

StarteGems 35, Jul-Sep 2006

1. d4 a5 2. d5 a4 3. d6 a3 4. dxc7 axb2 5. a4 d5 6. a5 d4 7. a6 Qd5 8. axb7 Ra3 9. bxc8=B Rg3 10. Bh3 e6 11. c8=N Bd6 12. Ne7 Kd7 13. Nf5 exf5 14. e4 Ke6 15. Qg4 fxg4 16. e5 Kf5 17. e6 gxh3 18. Bd3+ Kg4 19. Bg6 hxg6 20. e7 Rh4 21. e8=B Qh5 22. Bb5 Be5 23. Bf1

A blend of Frolkin S and B, and Pronkin B.