Amatzia Avni
Springaren
2017
White wins
1. Ng5!! 1. f8=Q? Qe6+ 2. Kf2 Qe4 = 1... Bf4+! 1... Qa8 2. Nf3 Qf8 3. Rd7 Bxg3 4. hxg3+ Kg2 5. Nh4+ Rxh4 6. gxh4 +-; 1... Rd4 2. Rxd4 cxd4+ 3. Kf2 Qa5 4. Nf3 Qxh5 5. f8=Q +- 2. Bxf4 fxg5 3. f8=Q gxf4+ 4. Kf2 Qg6!
5. Qg8!! Qxg8 6. Rg3! fxg3+ 6... Qf7 7. Rg1# 7. hxg3+ Rh4 8. Rxh4#
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Amatzia Avni
Kondratyuk MT
2018
1st Prize
White wins
1. b7 Nc3+! 2. Kxd2 Ne4+ 2... Nb1+ 3. Kc1 Qh1+ 4. Kc2 +- 3. Rxe4 3. Kd1? Qh1+ 4. Kc2 Qg2+ 5. Kb1 Nd2+ 6. Kc1 (6. Ka2 Qd5+ 7. b3 Qa5+ 8. Ra4 Qb6 =) 6... Nb3+! 7. Kb1 Nd2+ 8. Kc2 Ne4+ 9. Kb1 Nd2+ 10. Kc1 Nb3+ perpetual check 3... Qxb7 4. Nf7+ Kd5 4... Kc7 5. Re7+ +- 5. Bb5!!
Cyclical Vendetta
a) 5... Qxb5 6. Re5+ +-
b) 5... Kxe4 6. Nd6+ +-
c) 5... Qxf7 6. Bc4+ +-
The pieces en prise were defending each other indirectly. This theme is similar to the Zilahi Theme. I have two name proposals for this new theme: Avni Theme or Cyclical Vendetta.
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Amatzia Avni
Chess
2017
Draw
1. Be5+ Kg8 2. Bc4+ Kf8 3. Bg7+ Kxe8 4. Bxb5+ Kf7 5. Be8+! 5. Bc4+? Kxg7 6. Qb6 Qg6+ 7. Qxg6+ hxg6+ -+ 5... Kxg7 6. Qxc5 6. Qb6? Qxb3 7. Qxh6+ Kg8 8. Qxg5+ Kf8 -+ 6... Qg6+! 7. Bxg6 hxg6+ 8. Kg4 h5+ 9. Kxg5 Ne6+ 10. Kh4 Kh6!! 10... Nxc5 11. Nxc5 =
11. Nd4!! 11. Qxe7? g5+ 12. Qxg5+ Nxg5 13. Nd4 Kg6! zz -+; 11. Qxh5+? gxh5 12. Nd4 Ng7! -+; 11. Qg5+? Nxg5 12. Nd4 Ne4! 13. fxe4 g5# 11... Nxc5 11... g5+ 12. Qxg5+ Nxg5 13. Nf5+ Kg6 14. Nxe7+ = 12. Nf5+ Kh7 12... gxf5 stalemate 13. Nxe7 Ne4! 13... Ne6 14. Nxg6! Kxg6 stalemate 14. fxe4 14. Nd5? Kh6 15. fxe4 g5# 14... Kh6 15. Ng8+ 15. e5? g5#; 15. Nxg6? Kxg6 -+ 15... Kg7 16. Ne7 Kh6 17. Ng8+ =
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Amatzia Avni
Magyar Sakkvilág
2018
White wins
1. Ne6 Rxc4 1... e2 2. Kxe2 Rxc4 3. f6 Kg8 (3... Re4+ 4. Kd2! +-) 4. Nd4! +- 2. f6 Kg8 3. Nd4! f1=Q+ 4. Bxf1 e2 5. Bxe2 5. Nxe2? Rc6 =; 5. Bg2? Rxd4+! 6. Kxd4 Kf7! 7. Bd5+ Kxf6 8. g8=Q e1=Q = 5... g2 6. Kxc4 g1=Q
7. Kb4!! Kf7 7... Qxd4+ 8. Bc4+ +-; 7... Qb1+ 8. Kc5 +- 8. Bc4+ Kxf6 9. g8=Q Qxd4 10. Qh8+ +-
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Amatzia Avni
Olympic Ty
2018
1st Honourable Mention
Draw
1. Bf6! Qc7+ 1... Qxf6?? 2. fxg4+ Kg5 3. h4# 2. Be5! 2. f4? gxh3 -+ 2... Qxe5+ 3. f4
a) 3... Qf5!
4. Be4!! A waiting move, preserving the threat to the queen and the mating rejoinder if black captures h3. 4. Bxf5? gxf5 5. hxg4+ fxg4 6. f5 Kg5 7. f6 Kxf6 8. Kxg4 Ke5 9. Kf3 Kd4 10. Kf4 h5 11. Kf3 h4 12. Kf4 h3 13. Kg3 Kc3 -+ 4... Qe6 4... Qxe4?? 5. hxg4#; 4... gxh3?? 5. Bf3+ +- 5. Bd5!
5... Qd7 6. Bc6! Qe6 7. Bd5! Qc8 8. Bb7! positional draw - perpetual attack
b) 3... Qe6 4. Bc4! Qd7 5. Bb5! Qc8 6. Ba6! Qf5 7. Bd3 Qe6 7... gxh3 8. Bxf5 gxf5 9. Kxh3 = 8. Bc4 positional draw - perpetual attack
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Amatzia Avni
The Problemist
2017
1st Honourable Mention
Draw
1. h4 Qd7 2. Bc6! Qxc6 3. Kh3! Qc4 4. Ne3 Qe4 5. g4+ Qxg4+ 6. Nxg4 a3 7. Ne5/Nf2 Nf6 8. Nd3 Nd5 9. Nc1 Nc3 9... Nb4?? 10. Ne2 +-
10. Nd3! Ne2 11. Nb4 Nf4+ 12. Kg3 Ne2+ 13. Kh3 Nc3 14. Nd3 Nd5 15. Nc1 positional draw
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